Commit Graph

6425 Commits

Author SHA1 Message Date
Stephen Boyd
7819189779 ARM: OMAP: Convert __clk_get_rate() to provider/consumer APIs
We're removing struct clk from the clk provider API, so switch to
clk_get_rate() and clk_hw_get_rate() here appropriately.

Acked-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-08-24 16:48:45 -07:00
Grygorii Strashko
63059a2723 ARM: OMAP: wakeupgen: Restore the irq_set_type() mechanism
The conversion of the wakeupgen irqchip to hierarchical irq domains
failed to provide a mechanism to properly set the trigger type of an
interrupt.

The wakeupgen irq chip itself has no mechanism and therefor no
irq_set_type() callback. The code before the conversion relayed the
trigger configuration directly to the underlying GIC.

Restore the correct behaviour by setting the wakeupgen irq_set_type
callback to irq_chip_set_type_parent(). This propagates the
set_trigger() call to the underlying GIC irqchip.

[ tglx: Massaged changelog ]

Fixes: 7136d457f3 ('ARM: omap: convert wakeupgen to stacked domains')
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Cc: Sudeep Holla <sudeep.holla@arm.com>
Cc: <linux@arm.linux.org.uk>
Cc: <nsekhar@ti.com>
Cc: <jason@lakedaemon.net>
Cc: <balbi@ti.com>
Cc: <linux-arm-kernel@lists.infradead.org>
Cc: <marc.zyngier@arm.com>
Cc: stable@vger.kernel.org # 4.1
Link: http://lkml.kernel.org/r/1439554830-19502-5-git-send-email-grygorii.strashko@ti.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2015-08-20 00:25:25 +02:00
Tony Lindgren
9610c8abd2 ARM: OMAP2+: Fix power domain operations regression caused by 81xx
I managed to mess up omap3 power domain operations with commit
7c80a3f89c ("ARM: OMAP2+: Add custom prwdm_operations for 81xx
to support dm814x"), by default we should keep on using the
omap3_pwrdm_operations, only 81xx needs custom handling.

This causes omap3 PM to break so we won't hit off mode any longer
causing idle power consumption go up from less than 10mW to over
50 mW.

Fixs: 7c80a3f89c ("ARM: OMAP2+: Add custom prwdm_operations for
81xx to support dm814x")
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-08-06 22:09:40 -07:00
Olof Johansson
58e00a6c92 Merge branch 'fixes' into next/cleanup
* fixes: (28 commits)
  ARM: ux500: add an SMP enablement type and move cpu nodes
  ARM: dts: keystone: fix dt bindings to use post div register for mainpll
  ARM: nomadik: disable UART0 on Nomadik boards
  ARM: dts: i.MX35: Fix can support.
  ARM: OMAP2+: hwmod: Fix _wait_target_ready() for hwmods without sysc
  ARM: dts: add CPU OPP and regulator supply property for exynos4210
  ARM: dts: Update video-phy node with syscon phandle for exynos3250
  ARM: keystone: dts: rename pcie nodes to help override status
  ARM: keystone: dts: fix dt bindings for PCIe
  ARM: pxa: fix dm9000 platform data regression
  ARM: DRA7: hwmod: fix gpmc hwmod
  ARM: dts: Correct audio input route & set mic bias for am335x-pepper
  ARM: OMAP2+: Add HAVE_ARM_SCU for AM43XX
  MAINTAINERS: digicolor: add dts files
  ARM: ux500: fix MMC/SD card regression
  ARM: ux500: define serial port aliases
  ARM: dts: OMAP5: Add #iommu-cells property to IOMMUs
  ARM: dts: OMAP4: Add #iommu-cells property to IOMMUs
  ARM: dts: Fix frequency scaling on Gumstix Pepper
  ARM: dts: configure regulators for Gumstix Pepper
  ...
2015-08-06 10:11:36 +02:00
Stephen Boyd
9cfad9bc47 Merge branch 'cleanup-clk-h-includes' into clk-next
* cleanup-clk-h-includes: (62 commits)
  clk: Remove clk.h from clk-provider.h
  clk: h8300: Remove clk.h and clkdev.h includes
  clk: at91: Include clk.h and slab.h
  clk: ti: Switch clk-provider.h include to clk.h
  clk: pistachio: Include clk.h
  clk: ingenic: Include clk.h
  clk: si570: Include clk.h
  clk: moxart: Include clk.h
  clk: cdce925: Include clk.h
  clk: Include clk.h in clk.c
  clk: zynq: Include clk.h
  clk: ti: Include clk.h
  clk: sunxi: Include clk.h and remove unused clkdev.h includes
  clk: st: Include clk.h
  clk: qcom: Include clk.h
  clk: highbank: Include clk.h
  clk: bcm: Include clk.h
  clk: versatile: Remove clk.h and clkdev.h includes
  clk: ux500: Remove clk.h and clkdev.h includes
  clk: tegra: Properly include clk.h
  ...
2015-07-28 11:59:09 -07:00
Stephen Boyd
4d34105620 Merge branch 'for-4.2/ti-clk-move' of https://github.com/t-kristo/linux-pm into clk-next
From Tero Kristo:
  "This pull request contains the TI clock driver set to move the
   clock implementations under clock driver. Some small portions of
   the clock driver code still remain under mach-omap2 after this,
   it should be decided whether this code is now obsolete and should
   be deleted or should someone try to fix it."

Slight merge conflicts with determine_rate prototype changes.
2015-07-28 11:58:26 -07:00
Nicolas Pitre
19c233b79d ARM: appropriate __init annotation for const data
Init data marked const should be annotated with __initconst for
correctness and not __initdata.  In some cases the array gathering
references to that data has to be marked const as well. This fixes
LTO builds that otherwise fail with section mismatch errors.

Signed-off-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
2015-07-28 13:55:27 +02:00
Boris Brezillon
0817b62cc0 clk: change clk_ops' ->determine_rate() prototype
Clock rates are stored in an unsigned long field, but ->determine_rate()
(which returns a rounded rate from a requested one) returns a long
value (errors are reported using negative error codes), which can lead
to long overflow if the clock rate exceed 2Ghz.

Change ->determine_rate() prototype to return 0 or an error code, and pass
a pointer to a clk_rate_request structure containing the expected target
rate and the rate constraints imposed by clk users.

The clk_rate_request structure might be extended in the future to contain
other kind of constraints like the rounding policy, the maximum clock
inaccuracy or other things that are not yet supported by the CCF
(power consumption constraints ?).

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
CC: Jonathan Corbet <corbet@lwn.net>
CC: Tony Lindgren <tony@atomide.com>
CC: Ralf Baechle <ralf@linux-mips.org>
CC: "Emilio López" <emilio@elopez.com.ar>
CC: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Tero Kristo <t-kristo@ti.com>
CC: Peter De Schrijver <pdeschrijver@nvidia.com>
CC: Prashant Gaikwad <pgaikwad@nvidia.com>
CC: Stephen Warren <swarren@wwwdotorg.org>
CC: Thierry Reding <thierry.reding@gmail.com>
CC: Alexandre Courbot <gnurou@gmail.com>
CC: linux-doc@vger.kernel.org
CC: linux-kernel@vger.kernel.org
CC: linux-arm-kernel@lists.infradead.org
CC: linux-omap@vger.kernel.org
CC: linux-mips@linux-mips.org
CC: linux-tegra@vger.kernel.org
[sboyd@codeaurora.org: Fix parent dereference problem in
__clk_determine_rate()]
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Tested-by: Romain Perier <romain.perier@gmail.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
[sboyd@codeaurora.org: Folded in fix from Heiko for fixed-rate
clocks without parents or a rate determining op]
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-07-27 18:12:01 -07:00
Olof Johansson
ee5d35e781 ARM: OMAP2+: hwmod fixes for v4.2-rc
Two fixes against v4.2-rc1.  The first, for DRA7xx platforms,
 corrects some incorrect GPMC hardware description data.  The
 second one will ensure that the hwmod code will wait for any
 module with CPU-accessible registers to become ready before
 attempting to access it.
 
 Basic build, boot, and PM test logs are available here:
 
 http://www.pwsan.com/omap/testlogs/omap-hwmod-a-for-v4.2-rc/20150723065408/
 
 Note that I do not have a DRA7xx or AM43xx board, and therefore
 cannot test on those platforms.
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Merge tag 'for-v4.2-rc/omap-fixes-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into fixes

Merge "ARM: OMAP2+: hwmod fixes for v4.2-rc" from Paul Walmsley:

ARM: OMAP2+: hwmod fixes for v4.2-rc

Two fixes against v4.2-rc1.  The first, for DRA7xx platforms,
corrects some incorrect GPMC hardware description data.  The
second one will ensure that the hwmod code will wait for any
module with CPU-accessible registers to become ready before
attempting to access it.

Basic build, boot, and PM test logs are available here:

http://www.pwsan.com/omap/testlogs/omap-hwmod-a-for-v4.2-rc/20150723065408/

Note that I do not have a DRA7xx or AM43xx board, and therefore
cannot test on those platforms.

* tag 'for-v4.2-rc/omap-fixes-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending:
  ARM: OMAP2+: hwmod: Fix _wait_target_ready() for hwmods without sysc
  ARM: DRA7: hwmod: fix gpmc hwmod

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-07-26 20:52:03 +02:00
Russell King
3fa609755c ARM: omap2: restore OMAP4 barrier behaviour
Restore the OMAP4 barrier behaviour using the new implementation which
allows multiplatform systems to hook into the mb() and wmb() ARM
implementations to perform any necessary additional barrier maintanence.

Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Richard Woodruff <r-woodruff2@ti.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-07-25 15:28:16 +01:00
Russell King
f746929ffd Revert "ARM: OMAP4: remove dead kconfig option OMAP4_ERRATA_I688"
This reverts commit 606da4826b.

We actually need this code for proper behaviour of OMAP4, and it needs
fixing a different way other than just removing the code.  Disabling
code which is necessary in the hopes of persuing multiplatform kernels
is a stupid approach.

Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Richard Woodruff <r-woodruff2@ti.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-07-25 15:28:14 +01:00
Tony Lindgren
f5887fe5d1 ARM: OMAP2+: Add custom abort handler for t410
Similar to commit fdf4850cb5 ("ARM: BCM5301X: workaround suppress fault"),
let's add custom handling for the aborts on t410 that prevent booting:

Unhandled fault: imprecise external abort (0xc06) at 0xee091fb0
pgd = ee4bc000
[ee091fb0] *pgd=ae00041e(bad)
Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000007

Cc: Matthijs van Duin <matthijsvanduin@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-07-23 22:33:19 -07:00
Tony Lindgren
24da741c67 Merge branch 'dm814x-soc' into omap-for-v4.3/soc
Update dm814x changes for sparse fixes to make data structures
static.

Conflicts:
	arch/arm/mach-omap2/omap_hwmod_81xx_data.c
2015-07-23 21:59:18 -07:00
Tony Lindgren
0f3ccb24c0 ARM: OMAP2: Add minimal dm814x hwmod support
Let's add minimal set of dm814x hwmods to have a bootable system.

Cc: Matthijs van Duin <matthijsvanduin@gmail.com>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-07-23 21:39:00 -07:00
Tony Lindgren
7e1b11d145 ARM: OMAP2+: Prepare dm81xx hwmod code for adding minimal dm814x support
Let's change the defines so we can share the hwmod code better between
dm816x and dm814x, and let's add the dm814x specific defines. And let's
rename the shared ones to start with dm81xx. No functional changes.

Cc: Matthijs van Duin <matthijsvanduin@gmail.com>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-07-23 21:39:00 -07:00
Tony Lindgren
97d9a3d096 ARM: OMAP2+: PRCM and hwmod changes for v4.3
This series adds:
 
 - I/O wakeup support for AM43xx
 - register lock and unlock support to the hwmod code (needed for the RTC
   IP blocks on some chips)
 - several fixes for sparse warnings and an unnecessary null pointer test
 - a DRA7xx clockdomain configuration workaround, to deal with some hardware
   bugs
 
 Basic build, boot, and PM tests are here:
 
 http://www.pwsan.com/omap/testlogs/hwmod-prcm-for-v4.3/20150723080012/
 
 Since I do not have an AM43xx or DRA7xx device, I can't test on those
 platforms.
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Merge tag 'for-v4.3/omap-hwmod-prcm-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v4.3/soc

ARM: OMAP2+: PRCM and hwmod changes for v4.3

This series adds:

- I/O wakeup support for AM43xx
- register lock and unlock support to the hwmod code (needed for the RTC
  IP blocks on some chips)
- several fixes for sparse warnings and an unnecessary null pointer test
- a DRA7xx clockdomain configuration workaround, to deal with some hardware
  bugs

Basic build, boot, and PM tests are here:

http://www.pwsan.com/omap/testlogs/hwmod-prcm-for-v4.3/20150723080012/

Since I do not have an AM43xx or DRA7xx device, I can't test on those
platforms.
2015-07-23 21:14:02 -07:00
Paul Walmsley
3b86616e30 Merge branch 'prcm-a-for-v4.3' into hwmod-prcm-for-v4.3 2015-07-23 08:49:57 -06:00
Roger Quadros
9a258afa92 ARM: OMAP2+: hwmod: Fix _wait_target_ready() for hwmods without sysc
For hwmods without sysc, _init_mpu_rt_base(oh) won't be called and so
_find_mpu_rt_port(oh) will return NULL thus preventing ready state check
on those modules after the module is enabled.

This can potentially cause a bus access error if the module is accessed
before the module is ready.

Fix this by unconditionally calling _init_mpu_rt_base() during hwmod
_init(). Do ioremap only if we need SYSC access.

Eventhough _wait_target_ready() check doesn't really need MPU RT port but
just the PRCM registers, we still mandate that the hwmod must have an
MPU RT port if ready state check needs to be done. Else it would mean that
the module is not accessible by MPU so there is no point in waiting
for target to be ready.

e.g. this fixes the below DCAN bus access error on AM437x-gp-evm.

[   16.672978] ------------[ cut here ]------------
[   16.677885] WARNING: CPU: 0 PID: 1580 at drivers/bus/omap_l3_noc.c:147 l3_interrupt_handler+0x234/0x35c()
[   16.687946] 44000000.ocp:L3 Custom Error: MASTER M2 (64-bit) TARGET L4_PER_0 (Read): Data Access in User mode during Functional access
[   16.700654] Modules linked in: xhci_hcd btwilink ti_vpfe dwc3 videobuf2_core ov2659 bluetooth v4l2_common videodev ti_am335x_adc kfifo_buf industrialio c_can_platform videobuf2_dma_contig media snd_soc_tlv320aic3x pixcir_i2c_ts c_can dc
[   16.731144] CPU: 0 PID: 1580 Comm: rpc.statd Not tainted 3.14.26-02561-gf733aa036398 #180
[   16.739747] Backtrace:
[   16.742336] [<c0011108>] (dump_backtrace) from [<c00112a4>] (show_stack+0x18/0x1c)
[   16.750285]  r6:00000093 r5:00000009 r4:eab5b8a8 r3:00000000
[   16.756252] [<c001128c>] (show_stack) from [<c05a4418>] (dump_stack+0x20/0x28)
[   16.763870] [<c05a43f8>] (dump_stack) from [<c0037120>] (warn_slowpath_common+0x6c/0x8c)
[   16.772408] [<c00370b4>] (warn_slowpath_common) from [<c00371e4>] (warn_slowpath_fmt+0x38/0x40)
[   16.781550]  r8:c05d1f90 r7:c0730844 r6:c0730448 r5:80080003 r4:ed0cd210
[   16.788626] [<c00371b0>] (warn_slowpath_fmt) from [<c027fa94>] (l3_interrupt_handler+0x234/0x35c)
[   16.797968]  r3:ed0cd480 r2:c0730508
[   16.801747] [<c027f860>] (l3_interrupt_handler) from [<c0063758>] (handle_irq_event_percpu+0x54/0x1bc)
[   16.811533]  r10:ed005600 r9:c084855b r8:0000002a r7:00000000 r6:00000000 r5:0000002a
[   16.819780]  r4:ed0e6d80
[   16.822453] [<c0063704>] (handle_irq_event_percpu) from [<c00638f0>] (handle_irq_event+0x30/0x40)
[   16.831789]  r10:eb2b6938 r9:eb2b6960 r8:bf011420 r7:fa240100 r6:00000000 r5:0000002a
[   16.840052]  r4:ed005600
[   16.842744] [<c00638c0>] (handle_irq_event) from [<c00661d8>] (handle_fasteoi_irq+0x74/0x128)
[   16.851702]  r4:ed005600 r3:00000000
[   16.855479] [<c0066164>] (handle_fasteoi_irq) from [<c0063068>] (generic_handle_irq+0x28/0x38)
[   16.864523]  r4:0000002a r3:c0066164
[   16.868294] [<c0063040>] (generic_handle_irq) from [<c000ef60>] (handle_IRQ+0x38/0x8c)
[   16.876612]  r4:c081c640 r3:00000202
[   16.880380] [<c000ef28>] (handle_IRQ) from [<c00084f0>] (gic_handle_irq+0x30/0x5c)
[   16.888328]  r6:eab5ba38 r5:c0804460 r4:fa24010c r3:00000100
[   16.894303] [<c00084c0>] (gic_handle_irq) from [<c05a8d80>] (__irq_svc+0x40/0x50)
[   16.902193] Exception stack(0xeab5ba38 to 0xeab5ba80)
[   16.907499] ba20:                                                       00000000 00000006
[   16.916108] ba40: fa1d0000 fa1d0008 ed3d3000 eab5bab4 ed3d3460 c0842af4 bf011420 eb2b6960
[   16.924716] ba60: eb2b6938 eab5ba8c eab5ba90 eab5ba80 bf035220 bf07702c 600f0013 ffffffff
[   16.933317]  r7:eab5ba6c r6:ffffffff r5:600f0013 r4:bf07702c
[   16.939317] [<bf077000>] (c_can_plat_read_reg_aligned_to_16bit [c_can_platform]) from [<bf035220>] (c_can_get_berr_counter+0x38/0x64 [c_can])
[   16.952696] [<bf0351e8>] (c_can_get_berr_counter [c_can]) from [<bf010294>] (can_fill_info+0x124/0x15c [can_dev])
[   16.963480]  r5:ec8c9740 r4:ed3d3000
[   16.967253] [<bf010170>] (can_fill_info [can_dev]) from [<c0502fa8>] (rtnl_fill_ifinfo+0x58c/0x8fc)
[   16.976749]  r6:ec8c9740 r5:ed3d3000 r4:eb2b6780
[   16.981613] [<c0502a1c>] (rtnl_fill_ifinfo) from [<c0503408>] (rtnl_dump_ifinfo+0xf0/0x1dc)
[   16.990401]  r10:ec8c9740 r9:00000000 r8:00000000 r7:00000000 r6:ebd4d1b4 r5:ed3d3000
[   16.998671]  r4:00000000
[   17.001342] [<c0503318>] (rtnl_dump_ifinfo) from [<c050e6e4>] (netlink_dump+0xa8/0x1e0)
[   17.009772]  r10:00000000 r9:00000000 r8:c0503318 r7:ebf3e6c0 r6:ebd4d1b4 r5:ec8c9740
[   17.018050]  r4:ebd4d000
[   17.020714] [<c050e63c>] (netlink_dump) from [<c050ec10>] (__netlink_dump_start+0x104/0x154)
[   17.029591]  r6:eab5bd34 r5:ec8c9980 r4:ebd4d000
[   17.034454] [<c050eb0c>] (__netlink_dump_start) from [<c0505604>] (rtnetlink_rcv_msg+0x110/0x1f4)
[   17.043778]  r7:00000000 r6:ec8c9980 r5:00000f40 r4:ebf3e6c0
[   17.049743] [<c05054f4>] (rtnetlink_rcv_msg) from [<c05108e8>] (netlink_rcv_skb+0xb4/0xc8)
[   17.058449]  r8:eab5bdac r7:ec8c9980 r6:c05054f4 r5:ec8c9980 r4:ebf3e6c0
[   17.065534] [<c0510834>] (netlink_rcv_skb) from [<c0504134>] (rtnetlink_rcv+0x24/0x2c)
[   17.073854]  r6:ebd4d000 r5:00000014 r4:ec8c9980 r3:c0504110
[   17.079846] [<c0504110>] (rtnetlink_rcv) from [<c05102ac>] (netlink_unicast+0x180/0x1ec)
[   17.088363]  r4:ed0c6800 r3:c0504110
[   17.092113] [<c051012c>] (netlink_unicast) from [<c0510670>] (netlink_sendmsg+0x2ac/0x380)
[   17.100813]  r10:00000000 r8:00000008 r7:ec8c9980 r6:ebd4d000 r5:eab5be70 r4:eab5bee4
[   17.109083] [<c05103c4>] (netlink_sendmsg) from [<c04dfdb4>] (sock_sendmsg+0x90/0xb0)
[   17.117305]  r10:00000000 r9:eab5a000 r8:becdda3c r7:0000000c r6:ea978400 r5:eab5be70
[   17.125563]  r4:c05103c4
[   17.128225] [<c04dfd24>] (sock_sendmsg) from [<c04e1c28>] (SyS_sendto+0xb8/0xdc)
[   17.136001]  r6:becdda5c r5:00000014 r4:ecd37040
[   17.140876] [<c04e1b70>] (SyS_sendto) from [<c000e680>] (ret_fast_syscall+0x0/0x30)
[   17.148923]  r10:00000000 r8:c000e804 r7:00000122 r6:becdda5c r5:0000000c r4:becdda5c
[   17.157169] ---[ end trace 2b71e15b38f58bad ]---

Fixes: 6423d6df14 ("ARM: OMAP2+: hwmod: check for module address space during init")
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: <stable@vger.kernel.org>
2015-07-23 06:35:25 -06:00
Keerthy
8740a1444e ARM: PRM: AM437x: Enable IO wakeup feature
Enable IO wakeup feature. This enables am437x pads to generate daisy
chained wake ups(eventually generates aprcm Interrupt) especially
when in low power modes.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Reviewed-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2015-07-23 06:13:52 -06:00
Keerthy
cc843711fd ARM: OMAP4+: PRM: Add AM437x specific data
The register offsets for some of the PRM Registers are different
hence populating the differing fields. This is needed to support
IO wake up feature for am437x family.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Reviewed-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2015-07-23 06:08:24 -06:00
Keerthy
8d4be7d8bf ARM: OMAP: PRM: Remove hardcoding of IRQENABLE_MPU_2 and IRQSTATUS_MPU_2 register offsets
The register offsets of IRQENABLE_MPU_2 and IRQSTATUS_MPU_2 are hardcoded.
This makes it difficult to reuse the code for SoCs like AM437x that have
a single instance of IRQENABLE_MPU and IRQSTATUS_MPU registers.
Hence handling the case using offset of 4 to accommodate single set of IRQ*
registers generically.

Signed-off-by: Keerthy <j-keerthy@ti.com>
[paul@pwsan.com: fixed whitespace alignment problems reported by checkpatch.pl]
Reviewed-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2015-07-23 06:08:19 -06:00
Keerthy
39db67a5ff ARM: AM43xx: Add the PRM IRQ register offsets
Add the PRM IRQ register offsets.  This is needed to support PRM I/O
wakeup on AM43xx.

Signed-off-by: Keerthy <j-keerthy@ti.com>
[paul@pwsan.com: improved patch description, moved the PRM_IO_PMCTRL macro
 out of the CM section]
Reviewed-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2015-07-23 05:54:38 -06:00
Keerthy
fac03f12f8 ARM: OMAP4: PRM: Remove hardcoding of PRM_IO_PMCTRL_OFFSET register
PRM_IO_PMCTRL_OFFSET need not be same for all SOCs hence
remove hardcoding and use the value provided by the omap_prcm_irq_setup
structure. This is done to support IO wakeup on am437x series.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Reviewed-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2015-07-23 05:27:00 -06:00
Olof Johansson
9521f492f0 Drop more omap3 legacy board-*.c files for v4.3. This time we're
dropping the board files for omap3logic and omap3pandora.
 
 The reason for dropping these now rather than later is that now
 we can simply revert the patches in case of unexpected issues as
 we are not dropping any platform data at this point.
 
 This leaves us with only the following board-*.c files:
 
 BOARD                   REASON NEEDED
 board-ldp.c             Still used in RMKs boot test system
 board-rx51-*.c          Needs /proc/atags support for user space
 
 Once we have the n900 legacy user space issues sorted out for
 /proc/atags and system_rev, we can drop the remaining two
 board-*.c files. And then one merge window after that we can
 drop the legacy booting support assuming no unexpected issues
 are found.
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Merge tag 'omap-for-v4.3/legacy-v2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/cleanup

Merge "drop few more legacy boards for v4.3" from Tony Lindgren:

Drop more omap3 legacy board-*.c files for v4.3. This time we're
dropping the board files for omap3logic and omap3pandora.

The reason for dropping these now rather than later is that now
we can simply revert the patches in case of unexpected issues as
we are not dropping any platform data at this point.

This leaves us with only the following board-*.c files:

BOARD                   REASON NEEDED
board-ldp.c             Still used in RMKs boot test system
board-rx51-*.c          Needs /proc/atags support for user space

Once we have the n900 legacy user space issues sorted out for
/proc/atags and system_rev, we can drop the remaining two
board-*.c files. And then one merge window after that we can
drop the legacy booting support assuming no unexpected issues
are found.

* tag 'omap-for-v4.3/legacy-v2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: Remove legacy booting support for Pandora
  ARM: OMAP2+: Remove legacy booting support for LogicPD Torpedo

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-07-22 16:26:03 -07:00
Grazvydas Ignotas
f9d50fef4b ARM: OMAP2+: omap3-pandora: add wifi support
Add wl1251 support via pdata-quirks as it's driver lacks DT
support. MMC3 is marked disabled in DT so that MMC3 instance of
hsmmc driver is probed using platform data with special card init
callback.

Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-07-21 04:07:42 -07:00
Grazvydas Ignotas
fc53e2ccf0 ARM: OMAP2+: omap3-pandora: add backlight support
Add backlight support via pdata-quirks as it's driver lacks DT support.

Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-07-21 04:07:41 -07:00
Stephen Boyd
f5b00f6f3a ARM: OMAP2+: Include clk.h
These files use the consumer API, so include clk.h explicitly.

Acked-by: Tero Kristo <t-kristo@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-07-20 10:52:36 -07:00
Viresh Kumar
74364615a6 ARM/omap2/timer: Migrate to new 'set-state' interface
Migrate omap2 driver to the new 'set-state' interface provided by
clockevents core, the earlier 'set-mode' interface is marked obsolete
now.

This also enables us to implement callbacks for new states of clockevent
devices, for example: ONESHOT_STOPPED.

Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
2015-07-17 08:28:50 +05:30
Tony Lindgren
7fcf7e061e ARM: OMAP2+: Remove legacy booting support for Pandora
We've been moving all omap2+ based systems to boot in device tree only
mode for a few years now. Only omap3 has legacy booting support
remaining. Most omap3 boards already have related arch/arm/boot/*.dts*
files for booting with device tree.

This board has support for device tree based booting, and we've been
printing warnings about the legacy booting being deprecated for a
few merge cycles now. Let's attempt to remove the legacy booting
for it.

The reason for removing the legacy booting support now rather than
later is we can simply revert this patch if necessary if we run
into some unexpected issues that are not trivial to fix for the
device tree based booting.

Cc: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-07-16 04:12:32 -07:00
Tony Lindgren
9cf705de06 ARM: OMAP2+: Add support for initializing dm814x clocks
Let's add a minimal clocks for dm814x to get it booted. This is
mostly a placeholder and relies on the PLLs being on from the
bootloader.

Note that the divider clocks work the same way as on dm816x and
am335x.

Cc: Matthijs van Duin <matthijsvanduin@gmail.com>
Cc: Mike Turquette <mturquette@linaro.org>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Stephen Boyd <sboyd@codeaurora.org>
Cc: Tero Kristo <t-kristo@ti.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-07-16 02:09:33 -07:00
Tony Lindgren
7c80a3f89c ARM: OMAP2+: Add custom prwdm_operations for 81xx to support dm814x
Looking at the TI kernel tree I noticed that dm81xx need custom
ti81xx_pwrdm_operations. Let's also change dm816x over to use them
as the registers are different for dm81xx compared to others.

Cc: Matthijs van Duin <matthijsvanduin@gmail.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-07-16 02:09:33 -07:00
Tony Lindgren
185fde6d5b ARM: OMAP2+: Add minimal clockdomains for dm814x
For now, let's just add the ones shared with dm816x.
The dm814x specific ones can be added as they are tested.

Cc: Matthijs van Duin <matthijsvanduin@gmail.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-07-16 02:09:33 -07:00
Tony Lindgren
9444f10346 ARM: OMAP2+: Fix scm compatible for dm814x
Fix scm compatible for dm814x.

Cc: Matthijs van Duin <matthijsvanduin@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-07-16 02:09:10 -07:00
Tony Lindgren
9fd274c069 ARM: OMAP2+: Fix dm814x DT_MACHINE_START
Fix dm814x DT_MACHINE_START.

Cc: Matthijs van Duin <matthijsvanduin@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-07-16 02:09:10 -07:00
Suman Anna
228e5fadba ARM: OMAP2+: Remove module references from IOMMU machine layer
The OMAP IOMMU driver has been adapted to the IOMMU framework
for a while now, and it no longer supports being built as a
module. Cleanup all the module related references both from
the code and in the build.

While at it, also relocate a comment around the initcall to
avoid a checkpatch strict warning about using a blank line
after function/struct/union/enum declarations.

Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-07-16 00:14:50 -07:00
Nishanth Menon
ea827ad5ff ARM: DRA7: Provide proper IO map table
DRA7 uses OMAP5 IO table at the moment. This is purely spurious since
the OMAP5 and DRA7 register maps are different in many aspects.

AM57xx/DRA7 TRM Reference: http://www.ti.com/lit/ug/spruhz6/spruhz6.pdf

NOTE: Most of the drivers are already doing ioremap, so, there should'nt
be any functional improvement involved here, other than making the
initial iotable more accurate.

Fixes: a3a9384a11 ("ARM: DRA7: Reuse io tables and add a new .init_early")
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-07-16 00:06:05 -07:00
Tony Lindgren
d1dabab284 ARM: OMAP2+: Clean up omap4_local_timer_init
Inspired by a patch from Felipe Balbi <balbi@ti.com>, we can
now get rid of most the code in omap4_local_timer_init.

Omap4 is now device tree only.. And we have not properly supported
omap4 ES1.0 revision for a really long time AFAIK.

Let's just remove all that code to simplify things. This assumes
we have arm,cortex-a9-twd-timer entry in the omap4.dtsi file, which
we do.

Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-07-15 23:50:35 -07:00
Markus Elfring
9a0cb98589 ARM: OMAP2: Delete an unnecessary check
The of_node_put() function tests whether its argument is NULL and then
returns immediately if so.  Furthermore, the kerneldoc for
of_node_put() explicitly supports passing in a NULL pointer as its
argument.  Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
[paul@pwsan.com: dropped the omap_device.c and omap_hwmod.c changes for
 now, edited the commit message accordingly and to note the documented
 "contract"]
Reviewed-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2015-07-15 23:59:39 -06:00
Sekhar Nori
9e5d46b051 ARM: OMAP2+: sparse: add missing function declarations
omap3xxx_restart() and omap44xx_restart() are global
functions declared in common.h. Include this file
in omap3-restart.c and omap4-restart.c to prevent
sparse warnings of type:

arch/arm/mach-omap2/omap4-restart.c:22:6: warning: symbol 'omap44xx_restart' was not declared. Should it be static?

Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Reviewed-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2015-07-15 23:43:41 -06:00
Sekhar Nori
f734a9b3b1 ARM: OMAP2+: sparse: add missing static declaration
Add missing static declaration for file local variables.
This fixes sparse warnings of type:

arch/arm/mach-omap2/omap_hwmod_81xx_data.c:491:26: warning: symbol 'dm81xx_alwon_l3_slow__gpmc' was not declared. Should it be static?

Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2015-07-15 23:42:12 -06:00
Lokesh Vutla
aaf2c0fbbb ARM: OMAP2+: hwmod: add support for lock and unlock hooks
Some IP blocks like RTC, needs an additional setting for writing to its
registers. This is to prevent any spurious writes from changing the
register values.

This patch adds optional lock and unlock function pointers to
the IP block's hwmod data. These unlock and lock function pointers
are called by hwmod code before and after writing sysconfig registers.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
[paul@pwsan.com: fixed indentation level to conform with the rest of the
 structure members]
Reviewed-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2015-07-15 18:16:16 -06:00
Roger Quadros
91a57731ee ARM: DRA7: hwmod: fix gpmc hwmod
GPMC smart idle is not really broken but it does not support
smart idle with wakeup.

Fixes: 556708fe87 ("ARM: OMAP: DRA7: hwmod: Make gpmc software supervised as the smart idle is broken")

Signed-off-by: Roger Quadros <rogerq@ti.com>
Reviewed-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2015-07-15 16:21:06 -06:00
Vignesh R
b9e23f3219 ARM: OMAP2+: DRA7: clockdomain: change l4per2_7xx_clkdm to SW_WKUP
Legacy IPs like PWMSS, present under l4per2_7xx_clkdm, cannot support
smart-idle when its clock domain is in HW_AUTO on DRA7 SoCs. Hence,
program clock domain to SW_WKUP.

Signed-off-by: Vignesh R <vigneshr@ti.com>
Acked-by: Tero Kristo <t-kristo@ti.com>
Reviewed-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: <stable@vger.kernel.org>
2015-07-15 13:57:28 -06:00
Dave Gerlach
f87d089d44 ARM: OMAP2+: Add HAVE_ARM_SCU for AM43XX
CONFIG_HAVE_ARM_SCU only gets selected if CONFIG_SMP is selected in an OMAP
system, however AM43XX needs this option regardless of CONFIG_SMP and also
for an AM43XX only build as it is important for controlling power in the SoC.
Without this we cannot suspend the CPU for SoC suspend or cpuidle. The
ARM Cortex A9 needs SCU CPU Power Status bits to be set to off mode in order
for the PRCM to transition the MPU to low power modes.

Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-07-15 03:03:01 -07:00
Dave Gerlach
6da74c5416 ARM: OMAP2+: Use pdata-quirks for wkup_m3 reset management
Use pdata-quirks to provide platform data required for reset
management during boot and shutdown of the wkup_m3 processor
on both the AM33xx and AM43xx SoCs. The WkupM3 remote processor
is used to implement and achieve low-power functionality on
the AM33xx & AM43xx SoCs.

Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-07-14 02:58:11 -07:00
Tony Lindgren
d0796c4cd9 ARM: OMAP2+: Remove legacy booting support for LogicPD Torpedo
We've been moving all omap2+ based systems to boot in device tree only
mode for a few years now. Only omap3 has legacy booting support
remaining. Most omap3 boards already have related arch/arm/boot/*.dts*
files for booting with device tree.

This board has support for device tree based booting, and we've been
printing warnings about the legacy booting being deprecated for a
few merge cycles now. Let's attempt to remove the legacy booting
for it.

The reason for removing the legacy booting support now rather than
later is we can simply revert this patch if necessary if we run
into some unexpected issues that are not trivial to fix for the
device tree based booting.

Cc: Tim Nordell <tim.nordell@logicpd.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-07-13 00:51:02 -07:00
Tony Lindgren
ae745302c0 Merge branch 'fixes-rc1' into omap-for-v4.2/fixes 2015-07-06 05:33:17 -07:00
Linus Torvalds
d033ed9eea - hwspinlock core DT support from Suman Anna
- OMAP hwspinlock DT support from Suman Anna
 - QCOM hwspinlock DT support from Bjorn Andersson
 - a new CSR atlas7 hwspinlock driver from Wei Chen
 - CSR atlas7 hwspinlock DT binding document from Wei Chen
 - a tiny QCOM hwspinlock driver fix from Bjorn Andersson
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Merge tag 'hwspinlock-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/ohad/hwspinlock

Pull hwspinlock updates from Ohad Ben-Cohen:

 - hwspinlock core DT support from Suman Anna

 - OMAP hwspinlock DT support from Suman Anna

 - QCOM hwspinlock DT support from Bjorn Andersson

 - a new CSR atlas7 hwspinlock driver from Wei Chen

 - CSR atlas7 hwspinlock DT binding document from Wei Chen

 - a tiny QCOM hwspinlock driver fix from Bjorn Andersson

* tag 'hwspinlock-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/ohad/hwspinlock:
  hwspinlock: qcom: Correct msb in regmap_field
  DT: hwspinlock: add the CSR atlas7 hwspinlock bindings document
  hwspinlock: add a CSR atlas7 driver
  hwspinlock: qcom: Add support for Qualcomm HW Mutex block
  DT: hwspinlock: Add binding documentation for Qualcomm hwmutex
  hwspinlock/omap: add support for dt nodes
  Documentation: dt: add the omap hwspinlock bindings document
  hwspinlock/core: add device tree support
  Documentation: dt: add common bindings for hwspinlock
2015-07-03 14:52:25 -07:00
Linus Torvalds
3d9f96d850 ARM: SoC: DT updates for v4.2
As usual, quite a few device-tree updates in ARM land.  There was ome
 minor churn in DTs due to relicensing under a dual-license, and lots
 of little additions of new peripherals, features etc, but nothing
 really exciting to call to your attention.  Some higlights, focsuing
 on support for new SoCs and boards:
 
 - AT91: new boards: Overkiz,  Acme Systems' Arietta G25
 - tegra: HDA support
 - bcm: new platforms: Buffalo WXR-1900DHP, SmartRG SR400ac, ASUS RT-AC87U
 - mvebu: new platforms: Compulab CM-A510, Armada 385-based Linksys
   boards, DLink DNS-327L
 - OMAP: new platforms: Baltos IR5221, LogicPD Torpedo, Toby-Churchill SL50
 - ARM: added support for Juno r1 board
 - sunxi: A33 SoC support; new boards: A23 EVB, SinA33, GA10H-A33, Mele A1000G
 - imx: i.MX7D SoC support; new boards: Armadeus Systems APF6,
   Gateworks GW5510, and aristainetos2 boards
 - hisilicon: hi6220 SoC support; new boards: 96boards hikey
 
 Conflicts: None
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC DT updates from Kevin Hilman:
 "As usual, quite a few device-tree updates in ARM land.  There was one
  minor churn in DTs due to relicensing under a dual-license, and lots
  of little additions of new peripherals, features etc, but nothing
  really exciting to call to your attention.  Some higlights, focsuing
  on support for new SoCs and boards:

   - AT91: new boards: Overkiz,  Acme Systems' Arietta G25
   - tegra: HDA support
   - bcm: new platforms: Buffalo WXR-1900DHP, SmartRG SR400ac, ASUS
     RT-AC87U
   - mvebu: new platforms: Compulab CM-A510, Armada 385-based Linksys
     boards, DLink DNS-327L
   - OMAP: new platforms: Baltos IR5221, LogicPD Torpedo, Toby-Churchill
     SL50
   - ARM: added support for Juno r1 board
   - sunxi: A33 SoC support; new boards: A23 EVB, SinA33, GA10H-A33,
     Mele A1000G
   - imx: i.MX7D SoC support; new boards: Armadeus Systems APF6,
     Gateworks GW5510, and aristainetos2 boards
   - hisilicon: hi6220 SoC support; new boards: 96boards hikey"

* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (462 commits)
  ARM: hisi: revert changes from hisi/hip04-dt branch
  ARM: nomadik: set proper compatible for accelerometer
  ARM64: juno: add GPIO keys
  ARM: at91/dt: sama5d4: fix dma conf for aes, sha and tdes nodes
  ARM: dts: Introduce STM32F429 MCU
  ARM: socfpga: dts: enable ethernet for Arria10 devkit
  ARM: dts: k2l: fix the netcp range size
  ARM: dts: k2e: fix the netcp range size
  ARM: dts: k2hk: fix the netcp range size
  ARM: dts: k2l-evm: Add device bindings for netcp driver
  ARM: dts: k2e-evm: Add device bindings for netcp driver
  ARM: dts: k2hk-evm: Add device bindings for netcp driver
  ARM: BCM5301X: Add DT for Asus RT-AC87U
  ARM: BCM5301X: add IRQ numbers for PCIe controller
  ARM: BCM5301X: add NAND flash chip description
  arm64: dts: Add dts files for Hisilicon Hi6220 SoC
  clk: hi6220: Document devicetree bindings for hi6220 clock
  arm64: hi6220: Document devicetree bindings for Hisilicon hi6220 SoC
  ARM: at91/dt: sama5d4ek: mci0 uses slot 0
  ARM: at91/dt: kizbox: fix mismatch LED PWM device
  ...
2015-06-26 11:43:59 -07:00
Linus Torvalds
4aa705b18b ARM: SoC: platform support for v4.2
Our SoC branch usually contains expanded support for new SoCs and
 other core platform code. Some highlights from this round:
 
 - sunxi: SMP support for A23 SoC
 - socpga: big-endian support
 - pxa: conversion to common clock framework
 - bcm: SMP support for BCM63138
 - imx: support new I.MX7D SoC
 - zte: basic support for ZX296702 SoC
 
  Conflicts:
 	arch/arm/mach-socfpga/core.h
 
 Trivial remove/remove conflict with our cleanup branch.
 Resolution: remove both sides
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform support updates from Kevin Hilman:
 "Our SoC branch usually contains expanded support for new SoCs and
  other core platform code.  Some highlights from this round:

   - sunxi: SMP support for A23 SoC
   - socpga: big-endian support
   - pxa: conversion to common clock framework
   - bcm: SMP support for BCM63138
   - imx: support new I.MX7D SoC
   - zte: basic support for ZX296702 SoC"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (134 commits)
  ARM: zx: Add basic defconfig support for ZX296702
  ARM: dts: zx: add an initial zx296702 dts and doc
  clk: zx: add clock support to zx296702
  dt-bindings: Add #defines for ZTE ZX296702 clocks
  ARM: socfpga: fix build error due to secondary_startup
  MAINTAINERS: ARM64: EXYNOS: Extend entry for ARM64 DTS
  ARM: ep93xx: simone: support for SPI-based MMC/SD cards
  MAINTAINERS: update Shawn's email to use kernel.org one
  ARM: socfpga: support suspend to ram
  ARM: socfpga: add CPU_METHOD_OF_DECLARE for Arria 10
  ARM: socfpga: use CPU_METHOD_OF_DECLARE for socfpga_cyclone5
  ARM: EXYNOS: register power domain driver from core_initcall
  ARM: EXYNOS: use PS_HOLD based poweroff for all supported SoCs
  ARM: SAMSUNG: Constify platform_device_id
  ARM: EXYNOS: Constify irq_domain_ops
  ARM: EXYNOS: add coupled cpuidle support for Exynos3250
  ARM: EXYNOS: add exynos_get_boot_addr() helper
  ARM: EXYNOS: add exynos_set_boot_addr() helper
  ARM: EXYNOS: make exynos_core_restart() less verbose
  ARM: EXYNOS: fix exynos_boot_secondary() return value on timeout
  ...
2015-06-26 11:34:35 -07:00
Linus Torvalds
c11d716218 ARM: SoC cleanups for v4.2
A relatively small setup of cleanups this time around, and similar to last time
 the bulk of it is removal of legacy board support:
 
 - OMAP: removal of legacy (non-DT) booting for several platforms
 - i.MX: remove some legacy board files
 
 Conflicts: None
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Merge tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC cleanups from Kevin Hilman:
 "A relatively small setup of cleanups this time around, and similar to
  last time the bulk of it is removal of legacy board support:

   - OMAP: removal of legacy (non-DT) booting for several platforms

   - i.MX: remove some legacy board files"

* tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (36 commits)
  ARM: fix EFM32 build breakage caused by cpu_resume_arm
  ARM: 8389/1: Add cpu_resume_arm() for firmwares that resume in ARM state
  ARM: v7 setup function should invalidate L1 cache
  mach-omap2: Remove use of deprecated marco, PTR_RET in devices.c
  ARM: OMAP2+: Remove calls to deprecacted marco,PTR_RET in the files,fb.c and pmu.c
  ARM: OMAP2+: Constify irq_domain_ops
  ARM: OMAP2+: use symbolic defines for console loglevels instead of numbers
  ARM: at91: remove useless Makefile.boot
  ARM: at91: remove at91rm9200_sdramc.h
  ARM: at91: remove mach/at91_ramc.h and mach/at91rm9200_mc.h
  ARM: at91/pm: use the atmel-mc syscon defines
  pcmcia: at91_cf: Use syscon to configure the MC/smc
  ARM: at91: declare the at91rm9200 memory controller as a syscon
  mfd: syscon: Add Atmel MC (Memory Controller) registers definition
  ARM: at91: drop sam9_smc.c
  ata: at91: use syscon to configure the smc
  ARM: ux500: delete static resource defines
  ARM: ux500: rename ux500_map_io
  ARM: ux500: look up PRCMU resource from DT
  ARM: ux500: kill off L2CC static map
  ...
2015-06-26 11:08:27 -07:00
Linus Torvalds
1a13e36a79 fbdev changes for 4.2
* ssd1307fb: various fixes and improvements, SSD1305 support
 * Use architecture agnostic functions instead of MTRR functions in various
   fbdev drivers
 * TI DRA7xx SoC display support (arch/arm/ side)
 * OMAPDSS componentization to fix probing order issues
 * OMAPDSS scaling fixes
 * msm_fb: remove obsoleted driver
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Merge tag 'fbdev-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux

Pull fbdev updates from Tomi Valkeinen:

 - ssd1307fb: various fixes and improvements, SSD1305 support

 - use architecture agnostic functions instead of MTRR functions in
   various fbdev drivers

 - TI DRA7xx SoC display support (arch/arm/ side)

 - OMAPDSS componentization to fix probing order issues

 - OMAPDSS scaling fixes

 - msm_fb: remove obsoleted driver

* tag 'fbdev-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (77 commits)
  msm: msm_fb: Remove dead code
  OMAPDSS: HDMI: wait for framedone when stopping video
  OMAPDSS: HDMI4: fix error handling
  OMAPDSS: DISPC: scaler debug print
  OMAPDSS: DISPC: do only y decimation on OMAP3
  OMAPDSS: DISPC: check if scaling setup failed
  OMAPDSS: DISPC: fix 64 bit issue in 5-tap
  OMAPDSS: DISPC: fix row_inc for OMAP3
  OMAPDSS: DISPC: add check for scaling limits
  OMAPDSS: DISPC: fix check_horiz_timing_omap3 args
  OMAPDSS: DISPC: fix predecimation for YUV modes
  OMAPDSS: DISPC: work-around for errata i631
  OMAPDSS: simplify submodule reg/unreg code
  OMAPDSS: componentize omapdss
  OMAPDSS: reorder uninit calls
  OMAPDSS: remove uses of __init/__exit
  OMAPDSS: fix dss_init_ports error handling
  OMAPDSS: refactor dss probe function
  OMAPDSS: move 'dss_initialized' to dss driver
  fbdev: propagate result of fb_videomode_from_videomode()
  ...
2015-06-23 16:23:30 -07:00
Linus Torvalds
2ad7b44f5d Merge branch 'for-linus-clk' of git://ftp.arm.linux.org.uk/~rmk/linux-arm
Pull clkdev updates from Russell King:
 "This series addresses some breakage in clkdev caused by a previous
  patch set from the clk tree which introduced per-user clk structures.
  This basically renamed the existing 'struct clk' to 'struct clk_hw',
  and introduced a new 'struct clk'.

  This change will break anyone using clk_add_alias() with the common
  clk code enabled.  Thankfully, the intersection of users of
  clk_add_alias() and those using the common clk code is practically
  zero, but this is something which should be fixed to keep the code
  sane.

  The problem is that clk_add_alias() does this:

        r = clk_get(...);
        l = clkdev_alloc(r, ...);
        clk_put(...);

  which causes the alias to store a pointer to 'r', which has been
  freed.

  The original patch set tried to work around this problem incorrectly -
  at clk_get() time, it tried to convert the struct clk to a struct
  clk_hw, and then creating a new struct clk from that.  Clearly, if the
  original struct clk has been freed, then we have a use-after-free bug.

  We have other places in the tree which do something similar, so this
  series also addresses those locations too.

  This series addresses this problem by converting clkdev to store and
  use the clk_hw pointer.  This allows clk_get() to only have to create
  it's per-user struct clk from the clk_hw.  We can also get to the
  desired clk_hw at clk_add_alias() or clk lookup creation time, when
  the struct clk is "alive".

  We also perform some cleanups of the code:

   - replacing looped calls to clkdev_add() with clkdev_add_table()

   - replacing open-coded lookup allocation (which should have been
     using clkdev_alloc()) and subsequent clkdev_add() with
     clkdev_create()

   - replacing open-coded clk_add_alias() with clk_add_alias()"

* 'for-linus-clk' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
  clk: s2mps11: use clkdev_create()
  ASoC: migor: use clkdev_create()
  ARM: omap2: use clkdev_add_alias()
  ARM: omap2: use clkdev_create()
  ARM: orion: use clkdev_create()
  ARM: lpc32xx: convert to use clkdev_add_table()
  SH: use clkdev_add_table()
  clkdev: add clkdev_create() helper
  clkdev: const-ify connection id to clk_add_alias()
  clkdev: get rid of redundant clk_add_alias() prototype in linux/clk.h
  clkdev: drop __init from clkdev_add_table()
  clk: update clk API documentation to clarify clk_round_rate()
  clkdev: use clk_hw internally
2015-06-23 15:50:46 -07:00
Rafael J. Wysocki
ab232ba570 Merge branches 'pm-sleep' and 'pm-runtime'
* pm-sleep:
  PM / sleep: trace_device_pm_callback coverage in dpm_prepare/complete
  PM / wakeup: add a dummy wakeup_source to record statistics
  PM / sleep: Make suspend-to-idle-specific code depend on CONFIG_SUSPEND
  PM / sleep: Return -EBUSY from suspend_enter() on wakeup detection
  PM / tick: Add tracepoints for suspend-to-idle diagnostics
  PM / sleep: Fix symbol name in a comment in kernel/power/main.c
  leds / PM: fix hibernation on arm when gpio-led used with CPU led trigger
  ARM: omap-device: use SET_NOIRQ_SYSTEM_SLEEP_PM_OPS
  bus: omap_l3_noc: add missed callbacks for suspend-to-disk
  PM / sleep: Add macro to define common noirq system PM callbacks
  PM / sleep: Refine diagnostic messages in enter_state()
  PM / wakeup: validate wakeup source before activating it.

* pm-runtime:
  PM / Runtime: Update last_busy in rpm_resume
  PM / runtime: add note about re-calling in during device probe()
2015-06-19 01:18:02 +02:00
Kevin Hilman
ecdf94da6f Linux 4.1-rc6
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Merge tag 'v4.1-rc6' into next/dt

Linux 4.1-rc6

 Conflicts:
	arch/arm/boot/dts/zynq-7000.dtsi

Resolution summary:

 Mainline had an earlier version of the commit, resolve in favor of the
 newer patch in next/dt branch.
2015-06-11 14:37:45 -07:00
Tomi Valkeinen
403ee909e4 ARM: OMAP2+: display: detect DRA7 DSS
Add platform code to detect DRA7 DSS.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2015-06-04 09:02:14 +03:00
Tomi Valkeinen
5b5992ac64 ARM: OMAP: display: change compat names to array
Simplify the DSS detection logic by creating a list of the omapdss
compat strings, instead of checking each separately with an 'if'.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2015-06-04 09:02:09 +03:00
Tomi Valkeinen
a3818c6d57 ARM: DRA7: hwmod: set DSS submodule parent hwmods
Set DSS core hwmod as the parent for all the DSS submodules. This
ensures that the parent hwmods are enabled before any DSS submodules are
accessed.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
2015-06-04 09:01:23 +03:00
Tomi Valkeinen
42121688f9 ARM: DRA7: hwmod: add DMM hwmod description
Add DMM hwmod entries for DRA7. This is identical to DMM on OMAP5.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
2015-06-04 09:01:23 +03:00
Tomi Valkeinen
2d5a3c803d arm: dra7: add DESHDCP clock
Add a new Linux clock for DRA7 based SoCs to control DESHDCP clock.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tero Kristo <t-kristo@ti.com>
2015-06-03 14:23:25 +03:00
Tero Kristo
989feafb84 clk: ti: move low-level access and init code under clock driver
With most of the clock code under clock driver already, the low-level
register access code, and the init code for the same, is no longer
needed outside the clock driver. Thus, these can be moved under clock
driver also.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-06-02 12:31:46 +03:00
Tero Kristo
e3aedf0234 ARM: OMAP2+: clock: remove legacy omap2_clk_readl/writel APIs
As most of the clock driver code has migrated, these are no longer used
for anything. Thus remove these APIs completely.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-06-02 12:31:46 +03:00
Tero Kristo
e9e63088e4 clk: ti: remove exported ll_ops struct, instead add an API for registration
We should avoid exporting data from drivers, instead use an API for
registering the clock low level operations.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-06-02 12:31:46 +03:00
Tero Kristo
9e11814ab8 ARM: OMAP2+: clock: remove dead definitions from the clock header file
Cleanup the mess in clock.h by removing all definitions that are no longer
used for anything.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-06-02 12:31:45 +03:00
Tero Kristo
c9a58b0a84 clk: ti: am3517: move remaining am3517 clock support code to clock driver
With legacy clock support gone, this is no longer needed under platform,
so move it under the clock driver itself. Make some exports be driver
internal definitions at the same time.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-06-02 12:31:45 +03:00
Tero Kristo
eb0572520d ARM: OMAP4: clock: remove clock44xx.h header
This is not needed for anything anymore, so remove it completely.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-06-02 12:31:38 +03:00
Tero Kristo
f2671d5c6c clk: ti: omap34xx: move omap34xx clock type support code to clock driver
With the legacy clock data gone, this is no longer needed under platform,
so move it under the clock driver itself. Remove unnecessary declarations
from the TI clock header also.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-06-02 12:31:37 +03:00
Tero Kristo
bd86cfdcbd clk: ti: clkdm: move clkdm gate clock support code to clock driver
With the legacy clock data gone, this is no longer needed under platform,
so move it under the clock driver itself. Remove the exported clock driver
APIs as well, as these are not needed outside clock driver anymore.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-06-02 12:31:30 +03:00
Tero Kristo
d5a04dddf5 clk: ti: omap2430: move clock support code under clock driver
With the legacy clock support gone, this is no longer needed under
platform code-base. Thus, move this under the TI clock driver, and
remove the exported API from the public header.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-06-02 12:31:29 +03:00
Tero Kristo
9f37e90efa clk: ti: dflt: move support for default gate clock to clock driver
With the legacy support gone, OMAP2+ default gate clock can be moved
under clock driver. Create a new file for the purpose, and clean-up
the header exports a bit as some clock APIs are no longer needed
outside clock driver itself.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-06-02 12:31:22 +03:00
Tero Kristo
046b7c3166 ARM: OMAP2+: clock: remove clkdm_control static boolean from code
clkdm_control is used to determine, whether clocks should trigger a
clockdomain transition when they are enabled/disabled. Keep this
functionality intact, but replace this with a clk_features flag
which can be initialized during boot if needed.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-06-02 12:31:21 +03:00
Tero Kristo
6f0051da4b ARM: OMAP3: clock: remove clock3xxx.c file
This now only has a couple of variables within it, which are used outside
the file itself. Move these variables to where they are actually used,
and remove the file completely as it is now empty.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-06-02 12:31:14 +03:00
Tero Kristo
0565fb168d clk: ti: dpll: move omap3 DPLL functionality to clock driver
With the legacy clock support gone, OMAP3 generic DPLL code can now be
moved over to the clock driver also. A few un-unused clkoutx2 functions
are also removed at the same time.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-06-02 12:31:14 +03:00
Tero Kristo
192383d87b ARM: OMAP2+: clock: add support for specific CM ops to ti_clk_ll_ops
Clock driver requires access to some CM API functions once the code
is being moved under the clock driver from the platform directory.
Gate type clock requires access to cm_wait_module_ready and
cm_split_idlest_reg functions, which are both used for waiting until
the module being clocked has been successfully activated. These CM
APIs are now exported through the ti_clk_ll_ops struct.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-06-02 12:31:13 +03:00
Tero Kristo
9a356d622e ARM: OMAP2+: clock: add support for clkdm ops to the low level clk ops
Clock driver requires access to certain clockdomain handling ops once
the code is being moved over under clock driver. Example of this is
clk_enable / clk_disable under omap3 DPLL code. The required clkdm
APIs are now exported through the ti_clk_ll_ops struct.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-06-02 12:31:13 +03:00
Tero Kristo
846fdf2a3d ARM: OMAP2+: clock: remove support for legacy mpurate command line param
The legacy support is wrong and dangerous, as it doesn't take any
OPPs into account and does not scale voltages. Switching mpurate should
be handled through cpufreq.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-06-02 12:31:13 +03:00
Tero Kristo
a5aa8a603e clk: ti: move omap2_clk_enable_init_clocks under clock driver
This is no longer used outside clock driver, so move it under the driver
and remove the export for it from the global header file.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-06-02 12:31:13 +03:00
Tero Kristo
bf22bae794 clk: ti: autoidle: move generic autoidle handling code to clock driver
This is no longer needed in platform directory, as the legacy clock data
is gone, so move it under TI clock driver. Some static functions are
renamed also.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-06-02 12:31:13 +03:00
Tero Kristo
5100349b95 ARM: OMAP36xx: remove clock36xx.c/.h files
These files contain legacy clock implementations which are no longer used
for anything, thus remove them completely.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-06-02 12:30:59 +03:00
Tero Kristo
c06bfbe75e ARM: OMAP2+: clock: remove clock_common_data.c file
This only contains clksel tables that were used with the legacy clock data.
Now that legacy clock data is completely gone, this file can be removed
also.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-06-02 12:30:59 +03:00
Tero Kristo
574c0116b9 ARM: OMAP2+: clk: remove obsolete clksel support code
The clksel clock type is no longer used for anything, it is rather
replaced with common clock divider code. Thus, remove the dead code
from kernel.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-06-02 12:30:59 +03:00
Tero Kristo
afe2cf0840 ARM: OMAP3: dpll3-m2: get rid of obsolete clksel access
Core DVFS support code is currently referencing clksel functionality, which
is wrong. The m2 divisor has been implemented as a divider clock for a long
time already, so replace the validrate check call with proper functionality.
Core DVFS is currently not supported in the kernel so verifying this patch
can be rather tricky, this should probably be fixed at some point.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-06-02 12:30:59 +03:00
Tero Kristo
ef14db0977 clk: ti: move interface clock implementation under drivers/clk
With the legacy clock support gone, the OMAP interface clock implementation
can be moved under the clock driver. Some temporary header file tweaks are
also needed to make this change work properly.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-06-02 12:30:59 +03:00
Tero Kristo
59245ce01a clk: ti: move OMAP4+ DPLL implementation under drivers/clk
With the legacy clock support gone, the OMAP4 specific DPLL implementations
can be moved under the clock driver. Change some of the function prototypes
to be static at the same time, and remove some exports from the global TI
clock driver header.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-06-02 12:30:58 +03:00
Tero Kristo
b138b0283d clk: ti: move generic OMAP DPLL implementation under drivers/clk
With the legacy clock data now gone, we can start moving OMAP clock
type implementations under clock driver. Start this with moving the
generic OMAP DPLL clock type under TI clock driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-06-02 12:30:58 +03:00
Tero Kristo
f3b19aa5ca ARM: OMAP2+: clock: export driver API to setup/get clock features
As most of the clock driver support code is going to be moved under
drivers/clk/ti, an API for setting / getting the SoC specific clock
features is needed. This patch provides this API and changes the
existing code to use it.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-06-02 12:30:58 +03:00
Pali Rohár
a55a744582 ARM: OMAP3: Fix crypto support for HS devices
Register crypto hwmod links only if they are not disabled in DT.
If DT information is missing, enable them only for GP devices.

Before this patch crypto hwmod links were always disabled for all HS
devices and it was not possible to use omap-aes and omap-sham linux
drivers.

Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
[paul@pwsan.com: move the complex IP-block presence heuristics into their
 own function to simplify the code; fix some checkpatch warnings]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2015-06-01 19:23:04 -06:00
Pali Rohár
6da233589f ARM: OMAP2+: Return correct error values from device and hwmod
Without this patch function pm_runtime_get_sync() returns 0 even when
some omap subfunction fails. This patch properly propagate error codes
from omap functions back to caller.

This patch fix problem, when loading omap-aes driver in qemu cause
kernel oops.

Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
[paul@pwsan.com: fix a checkpatch warning]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2015-06-01 19:22:59 -06:00
Dave Gerlach
fabbe6df13 ARM: OMAP: AM43xx hwmod: Add data for am43xx emif hwmod
Without a hwmod for am43xx emif use counting for emif clockdomain does
not happen correctly so it may be shut off by pm code unintentionally.

Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
[paul@pwsan.com: updated to apply]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2015-06-01 19:22:11 -06:00
Tony Lindgren
63aa945b10 memory: omap-gpmc: Add Kconfig option for debug
We support decoding the bootloader values if DEBUG is defined.
But we also need to change the struct omap_hwmod flags to have
HWMOD_INIT_NO_RESET to avoid the GPMC being reset during the
boot. Otherwise just the default timings will be displayed
instead of the bootloader configured timings.

This also allows us to clean up the various GPMC related
hwmod flags. For debugging, we only need HWMOD_INIT_NO_RESET,
and HWMOD_INIT_NO_IDLE is not needed.

Cc: Brian Hutchinson <b.hutchman@gmail.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2015-06-01 19:22:10 -06:00
Nicholas Krause
e3abe2556b ARM: OMAP2+: Remove unnessary return statement from the void function, omap2_show_dma_caps
This removes the no longer required return statement at the end
of the void function, omap2_show_dma_cap due to no need for a
return statement due to this function always running successfully.

Signed-off-by: Nicholas Krause <xerofoify@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-06-01 15:01:51 -07:00
Arnd Bergmann
697d310f49 Merge branch 'for-arm-soc' of git://ftp.arm.linux.org.uk/~rmk/linux-arm into next/cleanup
Merge cleanups from Russell King:

* 'for-arm-soc' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
  ARM: Show proper respect for Heinrich Hertz by using the correct unit for frequency
2015-05-29 16:26:19 +02:00
Arnd Bergmann
542459e7ff Device tree related changes for omaps:
- Configure MMC data lines 4..8 for 1.8V IO on boards that
   are using them as GPIOs instead of MMC data lines
 
 - Add support for Baltos IR5221
 
 - Add device tree support for LogicPD Torpedo devkit
 
 - Add 3717 core pinctrl region
 
 - Add gta04 1w and GSM audio support
 
 - Add wilink and ov2659 support for am437x-gp-evm
 
 - Add am335x-evm bluetooth and mmc3 support
 
 - Enable omap5-uevm uart wakeup interrupt
 
 - Enable I2C2 on BeagleBone as it's used for the capes
 
 - Use defines for LDP GPIO keys
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Merge tag 'omap-for-v4.2/dt-pt1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/dt

Merge "Device tree related changes for omaps" from Tony Lindgren:

- Configure MMC data lines 4..8 for 1.8V IO on boards that
  are using them as GPIOs instead of MMC data lines

- Add support for Baltos IR5221

- Add device tree support for LogicPD Torpedo devkit

- Add 3717 core pinctrl region

- Add gta04 1w and GSM audio support

- Add wilink and ov2659 support for am437x-gp-evm

- Add am335x-evm bluetooth and mmc3 support

- Enable omap5-uevm uart wakeup interrupt

- Enable I2C2 on BeagleBone as it's used for the capes

- Use defines for LDP GPIO keys

* tag 'omap-for-v4.2/dt-pt1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: dts: am335x-evm: add mmc3 and wlan definitions to dts
  ARM: dts: Enable SDIO card interrupt for 37xx-evm
  ARM: dts: Fix ldp gpio keys to use defines
  ARM: dts: Beaglebone i2c definitions
  ARM: dts: am437x-gp-evm: add DT nodes for ov2659 sensor
  ARM: dts: add DTS for Baltos IR5221
  ARM: dts: omap5-uevm: Add Uart wakeup interrupt
  ARM: dts: omap3-gta04: Add GSM audio support
  ARM: dts: am335x-evm: add bluetooth support
  ARM: dts: am437x-gp-evm: add wilink8 support
  ARM: dts: omap3-gta04: Add hdqw1 support
  ARM: dts: add core2 padconf region for am3517
  ARM: dts: Add minimal support for LogicPD Torpedo DM3730 devkit
  ARM: OMAP3: Add support for configuring MMC pins as GPIO pins
2015-05-28 22:41:13 +02:00
Tony Lindgren
d8a50941c9 ARM: OMAP3: Fix booting with thumb2 kernel
We get a NULL pointer dereference on omap3 for thumb2 compiled kernels:

Internal error: Oops: 80000005 [#1] SMP THUMB2
...
[<c046497b>] (_raw_spin_unlock_irqrestore) from [<c0024375>]
(omap3_enter_idle_bm+0xc5/0x178)
[<c0024375>] (omap3_enter_idle_bm) from [<c0374e63>]
(cpuidle_enter_state+0x77/0x27c)
[<c0374e63>] (cpuidle_enter_state) from [<c00627f1>]
(cpu_startup_entry+0x155/0x23c)
[<c00627f1>] (cpu_startup_entry) from [<c06b9a47>]
(start_kernel+0x32f/0x338)
[<c06b9a47>] (start_kernel) from [<8000807f>] (0x8000807f)

The power management related assembly on omaps needs to interact with
ARM mode bootrom code, so we need to keep most of the related assembly
in ARM mode.

Turns out this error is because of missing ENDPROC for assembly code
as suggested by Stephen Boyd <sboyd@codeaurora.org>. Let's fix the
problem by adding ENDPROC in two places to sleep34xx.S.

Let's also remove the now duplicate custom code for mode switching.
This has been unnecessary since commit 6ebbf2ce43 ("ARM: convert
all "mov.* pc, reg" to "bx reg" for ARMv6+").

And let's also remove the comments about local variables, they are
now just confusing after the ENDPROC.

The reason why ENDPROC makes a difference is it sets .type and then
the compiler knows what to do with the thumb bit as explained at:

https://wiki.ubuntu.com/ARM/Thumb2PortingHowto

Reported-by: Kevin Hilman <khilman@kernel.org>
Tested-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-05-28 07:22:08 -07:00
Arnd Bergmann
2ed2558087 Clean-up for omaps for v4.2 merge window:
Drop more omap3 legacy board-*.c files for v4.2. This time we're
 dropping the board files for beagle, overo and cm-t35.
 
 The reason for dropping these now rather than later is that now
 we can simply revert the patches in case of unexpected issues as
 we are not dropping any platform data at this point.
 
 This leaves us with only the following board-*.c files:
 
 BOARD                   REASON NEEDED
 board-ldp.c             Still used in RMKs boot test system
 board-omap3logic.c      Getting a .dts file for v4.2
 board-omap3pandora.c    Got a .dts file for v4.1
 board-rx51-*.c          Needs /proc/atags support for user space
 
 I'm hoping we can drop the remaining board-*.c for v4.3 merge
 window, then keep the platform data around for one more merge
 window in case of reverting needed, then drop the platform data
 too for v4.4 if no issues needing reverting are found.
 
 Also, few patches to clean-up the usage of Linux generic
 macros:
 
 - Use define for console loglevel
 
 - Use const for struct irq_domain_ops
 
 - Use PTR_ERR_OR_ZERO instead of PTR_RET
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Merge tag 'omap-for-v4.2/clean' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/cleanup

Merge "Clean-up for omaps for v4.2 merge window" from Tony Lindgren:

Drop more omap3 legacy board-*.c files for v4.2. This time we're
dropping the board files for beagle, overo and cm-t35.

The reason for dropping these now rather than later is that now
we can simply revert the patches in case of unexpected issues as
we are not dropping any platform data at this point.

This leaves us with only the following board-*.c files:

BOARD                   REASON NEEDED
board-ldp.c             Still used in RMKs boot test system
board-omap3logic.c      Getting a .dts file for v4.2
board-omap3pandora.c    Got a .dts file for v4.1
board-rx51-*.c          Needs /proc/atags support for user space

I'm hoping we can drop the remaining board-*.c for v4.3 merge
window, then keep the platform data around for one more merge
window in case of reverting needed, then drop the platform data
too for v4.4 if no issues needing reverting are found.

Also, few patches to clean-up the usage of Linux generic
macros:

- Use define for console loglevel

- Use const for struct irq_domain_ops

- Use PTR_ERR_OR_ZERO instead of PTR_RET

* tag 'omap-for-v4.2/clean' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  mach-omap2: Remove use of deprecated marco, PTR_RET in devices.c
  ARM: OMAP2+: Remove calls to deprecacted marco,PTR_RET in the files,fb.c and pmu.c
  ARM: OMAP2+: Constify irq_domain_ops
  ARM: OMAP2+: use symbolic defines for console loglevels instead of numbers
  ARM: OMAP2+: Remove legacy booting support for Beagleboards
  ARM: OMAP2+: Remove legacy booting support for Overo
  ARM: OMAP2+: Remove legacy booting support for cm-t35
2015-05-22 16:37:35 +02:00
Tony Lindgren
fd0dbc83c6 Merge branch 'omap-for-v4.2/legacy' into omap-for-v4.2/cleanup 2015-05-20 14:51:05 -07:00
Nicholas Krause
e44be50cba mach-omap2: Remove use of deprecated marco, PTR_RET in devices.c
This removes the deprecacted marco, PTR_RET and changes the
functions that use this marco in their return statement to
instead use the non deprecacted function, PTR_ERR_OR_ZERO
for the file devices.c.

Signed-off-by: Nicholas Krause <xerofoify@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-05-20 13:54:35 -07:00
Nicholas Krause
87a2028f23 ARM: OMAP2+: Remove calls to deprecacted marco,PTR_RET in the files,fb.c and pmu.c
This removes two calls to the deprecated marco,PTR_RET in
the files,fb.c and pmu.c for the functions,omap_init_vrfb
and omap_init_pmu respectfully. Furthermore these are now
replaced by calling the correctly non deprecacted function,
PTR_ERR_OR_ZERO in both functions.

Signed-off-by: Nicholas Krause <xerofoify@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-05-20 10:43:37 -07:00
Krzysztof Kozlowski
8297955f3b ARM: OMAP2+: Constify irq_domain_ops
The irq_domain_ops are not modified by the driver and the irqdomain core
code accepts pointer to a const data.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-05-20 10:43:37 -07:00
Alexander Kuleshov
026df6ca90 ARM: OMAP2+: use symbolic defines for console loglevels instead of numbers
<linux/printk.h> provides macros for console log level, let's use it
instead of numbers.

Signed-off-by: Alexander Kuleshov <kuleshovmail@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-05-20 10:13:26 -07:00
Tony Lindgren
b96b332fd5 ARM: OMAP3: Add support for configuring MMC pins as GPIO pins
Some devices are using the MMC1 pins 4..8 as GPIO pins, and in
this case they need to be configured for 1.8V IO voltage if not
done by the bootloader as otherwise some devices like smsc911x
won't work properly.

Let's also make sure this register is saved and restored for
idle.

Cc: Tim Nordell <tim.nordell@logicpd.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-05-20 09:23:43 -07:00
Russell King
6a53bc7500 ARM: Show proper respect for Heinrich Hertz by using the correct unit for frequency
The SI unit of frequency is Hertz, named after Heinrich Hertz, and is
given the symbol "Hz" to denote this.  "hz" is not the unit of frequency,
and is in fact meaningless.

Fix arch/arm to correctly use "Hz", thereby acknowledging Heinrich Hertz'
contribution to the modern world.

Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-05-14 16:22:05 +01:00
Grygorii Strashko
c381f22947 ARM: omap-device: use SET_NOIRQ_SYSTEM_SLEEP_PM_OPS
Use recently introduced macro SET_NOIRQ_SYSTEM_SLEEP_PM_OPS to
set up PM callbacks. This also fixes missed assignment of
.poweroff_noirq() callback.

Signed-off-by: Grygorii Strashko <Grygorii.Strashko@linaro.org>
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Pavel Machek <pavel@ucw.cz>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-05-12 23:51:37 +02:00
Tony Lindgren
e60a8fe179 ARM: OMAP2+: first set of hwmod fixes for v4.1-rc
Fix a few AM43xx problems: add the VPFE hwmod data, which removes some
 warnings; and fix the IP block hardreset implementation.
 
 Basic build, boot, and PM test results are here:
 
 http://www.pwsan.com/omap/testlogs/omap-hwmod-a-for-v4.1-rc/20150508130543/
 
 Note that I do not have an AM43xx board in the testbed, and thus
 cannot test on that platform.
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Merge tag 'for-v4.1-rc/omap-fixes-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v4.1/fixes

ARM: OMAP2+: first set of hwmod fixes for v4.1-rc

Fix a few AM43xx problems: add the VPFE hwmod data, which removes some
warnings; and fix the IP block hardreset implementation.

Basic build, boot, and PM test results are here:

http://www.pwsan.com/omap/testlogs/omap-hwmod-a-for-v4.1-rc/20150508130543/

Note that I do not have an AM43xx board in the testbed, and thus
cannot test on that platform.
2015-05-11 13:23:19 -07:00
Tony Lindgren
b0897972ed ARM: OMAP2+: Remove bogus struct clk comparison for timer clock
With recent changes to use determine_rate, the comparison of two
clocks won't work without clk_is_match that does __clk_get_hw
on the clocks first.

As we've been unconditionally already calling clk_set_parent
already because of the bogus comparison, let's just remove the
check as suggested by Stephen Boyd <sboyd@codeaurora.org>.

Cc: Michael Turquette <mturquette@linaro.org>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tero Kristo <t-kristo@ti.com>
Cc: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-05-11 13:18:19 -07:00
Tero Kristo
a5bf00cd73 ARM: AM33xx+: hwmod: re-use omap4 implementations for reset functionality
The reset code functionality is mostly a copy paste between OMAP4+ and
AM33xx+. Re-use the omap4 code where possible, and just keep the special
implementation for de-asserting the hardreset lines for AM33xx, as
AM33xx+ devices have slightly different register layouts compared to
OMAP4+. This patch also fixes the hardreset issues faced on AM43xx.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reported-by: Dave Gerlach <d-gerlach@ti.com>
Reported-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2015-05-08 13:05:19 -06:00
Tero Kristo
4ebf5b288c ARM: OMAP4+: PRM: add support for passing status register/bit info to reset
AM43xx has slightly different reset register layout compared to OMAP4+,
with varying status bit shifts and status register offsets. Current
code assumes static offsets and identical status / reset control bit
shifts, which is wrong. This patch adds PRM core support for passing
the actual implementations from hwmod code. AM43xx mappings will be fixed
in subsequent patch.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reported-by: Dave Gerlach <d-gerlach@ti.com>
Reported-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2015-05-08 13:05:15 -06:00
Benoit Parrot
9a55706221 ARM: AM43xx: hwmod: add VPFE hwmod entries
This patch adds VPFE HWMOD data for AM43xx.

Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Darren Etheridge <detheridge@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Tested-by: Benoit Parrot <bparrot@ti.com>
[paul@pwsan.com: updated to apply on v4.1-rc1]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2015-05-08 13:01:09 -06:00
Tony Lindgren
d203c5747e ARM: OMAP2+: Remove legacy booting support for Beagleboards
We've been moving all omap2+ based systems to boot in device tree only
mode for a few years now. Only omap3 has legacy booting support
remaining. Most omap3 boards already have related arch/arm/boot/*.dts*
files for booting with device tree.
    
This board has support for device tree based booting, and we've been
printing warnings about the legacy booting being deprecated for a
few merge cycles now. Let's attempt to remove the legacy booting
for it.

The reason for removing the legacy booting support now rather than
later is we can simply revert this patch if necessary if we run
into some unexpected issues that are not trivial to fix for the
device tree based booting.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-05-06 09:27:53 -07:00
Russell King
1ca90bd408 ARM: omap2: use clkdev_add_alias()
When creating aliases of existing clkdev clocks, use clkdev_add_alias()
isntead of open coding the lookup and clk_lookup creation.

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-05-06 11:58:58 +01:00
Russell King
b2e0112946 ARM: omap2: use clkdev_create()
Rather than open coding the clkdev allocation, initialisation and
addition, use the clkdev_create() helper.

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-05-06 11:58:58 +01:00
Tony Lindgren
71115b30a3 ARM: OMAP2+: Remove legacy booting support for Overo
We've been moving all omap2+ based systems to boot in device tree only
mode for a few years now. Only omap3 has legacy booting support
remaining. Most omap3 boards already have related arch/arm/boot/*.dts*
files for booting with device tree.

This board has support for device tree based booting, and we've been
printing warnings about the legacy booting being deprecated for a
few merge cycles now. Let's attempt to remove the legacy booting
for it.

The reason for removing the legacy booting support now rather than
later is we can simply revert this patch if necessary if we run
into some unexpected issues that are not trivial to fix for the
device tree based booting.

Cc: Florian Vaussard <florian.vaussard@epfl.ch>
Acked-by: Ash Charles <ashcharles@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-05-04 10:58:29 -07:00
Tony Lindgren
11cd7b8c27 ARM: OMAP2+: Remove legacy booting support for cm-t35
We've been moving all omap2+ based systems to boot in device tree only
mode for a few years now. Only omap3 has legacy booting support
remaining. Most omap3 boards already have related arch/arm/boot/*.dts*
files for booting with device tree.

This board has support for device tree based booting, and we've been
printing warnings about the legacy booting being deprecated for a
few merge cycles now. Let's attempt to remove the legacy booting
for it.

The reason for removing the legacy booting support now rather than
later is we can simply revert this patch if necessary if we run
into some unexpected issues that are not trivial to fix for the
device tree based booting.

Cc: Dmitry Lifshitz <lifshitz@compulab.co.il>
Cc: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-05-04 10:53:48 -07:00
Tony Lindgren
102bcb6ed2 ARM: OMAP2+: Fix omap off idle power consumption creeping up
If we use a combination of VMODE and I2C4 for retention modes,
eventually the off idle power consumption will creep up by about
23mW, even during off mode with I2C4 always staying enabled.

Turns out this is because of erratum i531 "Extra Power Consumed
When Repeated Start Operation Mode Is Enabled on I2C Interface
Dedicated for Smart Reflex (I2C4)" as pointed out by Nishanth
Menon <nm@ti.com>.

Let's fix the issue by adding i2c_cfg_clear_mask for the bits
to clear when initializing the I2C4 adapter so we can clear
SREN bit that drives the I2C4 lines low otherwise when there
is no traffic.

Fixes: 3b8c4ebb76 ("ARM: OMAP3: Fix idle mode signaling for
Cc: stable@vger.kernel.org # v3.16+
sys_clkreq and sys_off_mode")
Cc: Kevin Hilman <khilman@kernel.org>
Cc: Tero Kristo <t-kristo@ti.com>
Reviewed-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-05-04 08:54:41 -07:00
Suman Anna
65bd4341d6 hwspinlock/omap: add support for dt nodes
HwSpinlock IP is present only on OMAP4 and other newer SoCs,
which are all device-tree boot only. This patch adds the
base support for parsing the DT nodes, and removes the code
dealing with the traditional platform device instantiation.

Signed-off-by: Suman Anna <s-anna@ti.com>
[tony@atomide.com: ack for legacy file removal]
Acked-by: Tony Lindgren <tony@atomide.com>
[comment on the imperfect always-zero base_id]
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
2015-05-02 10:05:10 +03:00
Linus Torvalds
8b3c8ba3d8 ARM: SoC late changes for v4.1
We were expecting to sit on this branch through most of the merge window since
 the contents was merged into our tree late, but we ended up sitting on all of
 our contents so it can go in with the rest.
 
 The contents here is:
 
 - A large branch of cleanups of the CM/PRM blocks on OMAP.
 - A couple of patches plumbing up CM/PRM on OMAP5 and DRA7.
 - A branch with DT updates for Freescale i.MX. including some shuffling from
   .dts to .dtsi (include) files that causes a little churn.
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Merge tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC late changes from Olof Johansson:
 "We were expecting to sit on this branch through most of the merge
  window since the contents was merged into our tree late, but we ended
  up sitting on all of our contents so it can go in with the rest.

  The contents here is:

   - a large branch of cleanups of the CM/PRM blocks on OMAP.

   - a couple of patches plumbing up CM/PRM on OMAP5 and DRA7.

   - a branch with DT updates for Freescale i.MX.  including some
     shuffling from .dts to .dtsi (include) files that causes a little
     churn"

* tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (78 commits)
  ARM: OMAP2+: Fix booting with configs that don't have MFD_SYSCON
  ARM: OMAP4+: control: add support for initializing control module via DT
  ARM: dts: dra7: add minimal l4 bus layout with control module support
  ARM: dts: omap5: add minimal l4 bus layout with control module support
  ARM: OMAP4+: control: remove support for legacy pad read/write
  ARM: OMAP4: display: convert display to use syscon for dsi muxing
  ARM: dts: omap4: add minimal l4 bus layout with control module support
  ARM: dts: am4372: add minimal l4 bus layout with control module support
  ARM: dts: am43xx-epos-evm: fix pinmux node layout
  ARM: dts: am33xx: add minimal l4 bus layout with control module support
  ARM: dts: omap3: add minimal l4 bus layout with control module support
  ARM: dts: omap24xx: add minimal l4 bus layout with control module support
  ARM: OMAP2+: control: add syscon support for register accesses
  ARM: OMAP2+: id: cache omap_type value
  ARM: OMAP2+: control: remove API for getting control module base address
  ARM: OMAP2+: clock: add low-level support for regmap
  ARM: OMAP4+: PRM: get rid of cpu_is_omap44xx calls from interrupt init
  ARM: OMAP4+: PRM: setup prm_features from the PRM init time flags
  ARM: OMAP2+: CM: move SoC specific init calls within a generic API
  ARM: OMAP4+: PRM: determine prm_device_inst based on DT compatibility
  ...
2015-04-22 09:24:55 -07:00
Linus Torvalds
7d2b6ef19c ARM: SoC driver updates for v4.1
Driver updates for v4.1. Some of these are for drivers/soc, where we find more
 and more SoC-specific drivers these days. Some are for other driver subsystems
 where we have received acks from the appropriate maintainers.
 
 The larger parts of this branch are:
 
 - MediaTek support for their PMIC wrapper interface, a high-level interface
   for talking to the system PMIC over a dedicated I2C interface.
 - Qualcomm SCM driver has been moved to drivers/firmware. It's used for CPU
   up/down and needs to be in a shared location for arm/arm64 common code.
 - Cleanup of ARM-CCI PMU code.
 - Anoter set of cleanusp to the OMAP GPMC code.
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver updates from Olof Johansson:
 "Driver updates for v4.1.  Some of these are for drivers/soc, where we
  find more and more SoC-specific drivers these days.  Some are for
  other driver subsystems where we have received acks from the
  appropriate maintainers.

  The larger parts of this branch are:

   - MediaTek support for their PMIC wrapper interface, a high-level
     interface for talking to the system PMIC over a dedicated I2C
     interface.

   - Qualcomm SCM driver has been moved to drivers/firmware.  It's used
     for CPU up/down and needs to be in a shared location for arm/arm64
     common code.

   - cleanup of ARM-CCI PMU code.

   - another set of cleanusp to the OMAP GPMC code"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (43 commits)
  soc/mediatek: Remove unused variables
  clocksource: atmel-st: select MFD_SYSCON
  soc: mediatek: Add PMIC wrapper for MT8135 and MT8173 SoCs
  arm-cci: Fix CCI PMU event validation
  arm-cci: Split the code for PMU vs driver support
  arm-cci: Get rid of secure transactions for PMU driver
  arm-cci: Abstract the CCI400 PMU specific definitions
  arm-cci: Rearrange code for splitting PMU vs driver code
  drivers: cci: reject groups spanning multiple HW PMUs
  ARM: at91: remove useless include
  clocksource: atmel-st: remove mach/hardware dependency
  clocksource: atmel-st: use syscon/regmap
  ARM: at91: time: move the system timer driver to drivers/clocksource
  ARM: at91: properly initialize timer
  ARM: at91: at91rm9200: remove deprecated arm_pm_restart
  watchdog: at91rm9200: implement restart handler
  watchdog: at91rm9200: use the system timer syscon
  mfd: syscon: Add atmel system timer registers definition
  ARM: at91/dt: declare atmel,at91rm9200-st as a syscon
  soc: qcom: gsbi: Add support for ADM CRCI muxing
  ...
2015-04-22 09:18:17 -07:00
Linus Torvalds
5c73cc4b6c ARM: DT updates for v4.1
As always, this tends to be one of our bigger branches. There are lots of
 updates this release, but not that many jumps out as something that needs
 more detailed coverage. Some of the highlights are:
 
 - DTs for the new Annapurna Labs Alpine platform
 - More graphics DT pieces falling into place on Exynos, bridges, clocks.
 - Plenty of DT updates for Qualcomm platforms for various IP blocks
 - Some churn on Tegra due to switch-over to tool-generated pinctrl data
 - Misc fixes and updates for Atmel at91 platforms
 - Various DT updates to add IP block support on Broadcom's Cygnus platforms
 - More updates for Renesas platforms as DT support is added for various IP
   blocks (IPMMU, display, audio, etc).
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM DT updates from Olof Johansson:
 "As always, this tends to be one of our bigger branches.  There are
  lots of updates this release, but not that many jumps out as something
  that needs more detailed coverage.  Some of the highlights are:

   - DTs for the new Annapurna Labs Alpine platform

   - more graphics DT pieces falling into place on Exynos, bridges,
     clocks.

   - plenty of DT updates for Qualcomm platforms for various IP blocks

   - some churn on Tegra due to switch-over to tool-generated pinctrl
     data

   - misc fixes and updates for Atmel at91 platforms

   - various DT updates to add IP block support on Broadcom's Cygnus
     platforms

   - more updates for Renesas platforms as DT support is added for
     various IP blocks (IPMMU, display, audio, etc)"

* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (231 commits)
  ARM: dts: alpine: add internal pci
  Revert "ARM: dts: mt8135: Add pinctrl/GPIO/EINT node for mt8135."
  ARM: mvebu: use 0xf1000000 as internal registers on Armada 370 DB
  ARM: dts: qcom: Add idle state device nodes for 8064
  ARM: dts: qcom: Add idle states device nodes for 8084
  ARM: dts: qcom: Add idle states device nodes for 8974/8074
  ARM: dts: qcom: Update power-controller device node for 8064 Krait CPUs
  ARM: dts: qcom: Add power-controller device node for 8084 Krait CPUs
  ARM: dts: qcom: Add power-controller device node for 8074 Krait CPUs
  devicetree: bindings: Document qcom,idle-states
  devicetree: bindings: Update qcom,saw2 node bindings
  dt-bindings: Add #defines for MSM8916 clocks and resets
  arm: dts: qcom: Add LPASS Audio HW to IPQ8064 device tree
  arm: dts: qcom: Add APQ8084 chipset SPMI PMIC's nodes
  arm: dts: qcom: Add 8x74 chipset SPMI PMIC's nodes
  arm: dts: qcom: Add SPMI PMIC Arbiter nodes for APQ8084 and MSM8974
  arm: dts: qcom: Add LCC nodes
  arm: dts: qcom: Add TCSR support for MSM8960
  arm: dts: qcom: Add TCSR support for MSM8660
  arm: dts: qcom: Add TCSR support for IPQ8064
  ...
2015-04-22 09:09:46 -07:00
Linus Torvalds
e6c81cce56 ARM: SoC platform updates for v4.1
Our SoC branch usually contains expanded support for new SoCs and other core
 platform code. In this case, that includes:
 
 - Support for the new Annapurna Labs "Alpine" platform
 - A rework greatly simplifying adding new platform support to the MCPM
   subsystem (Multi-cluster power management)
 - Cpuidle and PM improvements for Exynos3250
 - Misc updates for Renesas, OMAP, Meson, i.MX. Some of these could have
   gone in other branches but ended up here for various reasons.
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform updates from Olof Johansson:
 "Our SoC branch usually contains expanded support for new SoCs and
  other core platform code.  In this case, that includes:

   - support for the new Annapurna Labs "Alpine" platform

   - a rework greatly simplifying adding new platform support to the
     MCPM subsystem (Multi-cluster power management)

   - cpuidle and PM improvements for Exynos3250

   - misc updates for Renesas, OMAP, Meson, i.MX.  Some of these could
     have gone in other branches but ended up here for various reasons"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (53 commits)
  ARM: alpine: add support for generic pci
  ARM: Exynos: migrate DCSCB to the new MCPM backend abstraction
  ARM: vexpress: migrate DCSCB to the new MCPM backend abstraction
  ARM: vexpress: DCSCB: tighten CPU validity assertion
  ARM: vexpress: migrate TC2 to the new MCPM backend abstraction
  ARM: MCPM: move the algorithmic complexity to the core code
  ARM: EXYNOS: allow cpuidle driver usage on Exynos3250 SoC
  ARM: EXYNOS: add AFTR mode support for Exynos3250
  ARM: EXYNOS: add code for setting/clearing boot flag
  ARM: EXYNOS: fix CPU1 hotplug on Exynos3250
  ARM: S3C64XX: Use fixed IRQ bases to avoid conflicts on Cragganmore
  ARM: cygnus: fix const declaration bcm_cygnus_dt_compat
  ARM: DRA7: hwmod: Fix the hwmod class for GPTimer4
  ARM: DRA7: hwmod: Add data for GPTimers 13 through 16
  ARM: EXYNOS: Remove left over 'extra_save'
  ARM: EXYNOS: Constify exynos_pm_data array
  ARM: EXYNOS: use static in suspend.c
  ARM: EXYNOS: Use platform device name as power domain name
  ARM: EXYNOS: add support for async-bridge clocks for pm_domains
  ARM: omap-device: add missed callback for suspend-to-disk
  ...
2015-04-22 09:08:39 -07:00
Linus Torvalds
d0440c59f5 ARM: SoC cleanups for v4.1
We've got a fairly large cleanup branch this time. The bulk of this is removal
 of non-DT platforms of several flavors:
 
 - Atmel at91 platforms go full-DT, with removal of remaining board-file based
   support
 - OMAP removes legacy board files for three more platforms
 - Removal of non-DT mach-msm, newer Qualcomm platforms now live in mach-qcom
 - Freescale i.MX25 also removes non-DT platform support
 
 Most of the rest of the changes here are fallout from the above, i.e. for
 example removal of drivers that now lack platforms, etc.
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Merge tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC cleanups from Olof Johansson:
 "We've got a fairly large cleanup branch this time.  The bulk of this
  is removal of non-DT platforms of several flavors:

   - Atmel at91 platforms go full-DT, with removal of remaining
     board-file based support

   - OMAP removes legacy board files for three more platforms

   - removal of non-DT mach-msm, newer Qualcomm platforms now live in
     mach-qcom

   - Freescale i.MX25 also removes non-DT platform support"

Most of the rest of the changes here are fallout from the above, i.e. for
example removal of drivers that now lack platforms, etc.

* tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (58 commits)
  mmc: Remove msm_sdcc driver
  gpio: Remove gpio-msm-v1 driver
  ARM: Remove mach-msm and associated ARM architecture code
  ARM: shmobile: cpuidle: Remove the pointless default driver
  ARM: davinci: dm646x: Add interrupt resource for McASPs
  ARM: davinci: irqs: Correct McASP1 TX interrupt definition for DM646x
  ARM: davinci: dm646x: Clean up the McASP DMA resources
  ARM: davinci: devices-da8xx: Add support for McASP2 on da830
  ARM: davinci: devices-da8xx: Clean up and correct the McASP device creation
  ARM: davinci: devices-da8xx: Add interrupt resource to McASP structs
  ARM: davinci: devices-da8xx: Add resource name for the McASP DMA request
  ARM: OMAP2+: Remove legacy support for omap3 TouchBook
  ARM: OMAP3: Remove legacy support for devkit8000
  ARM: OMAP3: Remove legacy support for EMA-Tech Stalker board
  ARM: shmobile: Consolidate the pm code for R-Car Gen2
  ARM: shmobile: r8a7791: Correct SYSCIER value
  ARM: shmobile: r8a7790: Correct SYSCIER value
  ARM: at91: remove old setup
  ARM: at91: sama5d4: remove useless map_io
  ARM: at91: sama5 use SoC detection infrastructure
  ...
2015-04-22 09:04:39 -07:00
Linus Torvalds
38eb1dbb0d ARM: SoC fixes for v4.1
Here's the usual "low-priority fixes that didn't make it into the last
 few -rcs, with a twist: We had a fixes pull request that I didn't send
 in time to get into 4.0, so we'll send some of them to Greg for -stable as
 well.
 
 Contents here is as usual not all that controversial:
 
 - A handful of randconfig fixes from Arnd, in particular for older Samsung
   platforms
 - Exynos fixes, !SMP building, DTS updates for MMC and lid switch
 - Kbuild fix to create output subdirectory for DTB files
 - Misc minor fixes for OMAP
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "Here's the usual "low-priority fixes that didn't make it into the last
  few -rcs, with a twist: We had a fixes pull request that I didn't send
  in time to get into 4.0, so we'll send some of them to Greg for
  -stable as well.

  Contents here is as usual not all that controversial:

   - a handful of randconfig fixes from Arnd, in particular for older
     Samsung platforms

   - Exynos fixes, !SMP building, DTS updates for MMC and lid switch

   - Kbuild fix to create output subdirectory for DTB files

   - misc minor fixes for OMAP"

* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (23 commits)
  ARM: at91/dt: sama5d3 xplained: add phy address for macb1
  kbuild: Create directory for target DTB
  ARM: mvebu: Disable CPU Idle on Armada 38x
  ARM: DRA7: Enable Cortex A15 errata 798181
  ARM: dts: am57xx-beagle-x15: Add thermal map to include fan and tmp102
  ARM: dts: DRA7: Add bandgap and related thermal nodes
  bus: ocp2scp: SYNC2 value should be changed to 0x6
  ARM: dts: am4372: Add "ti,am437x-ocp2scp" as compatible string for OCP2SCP
  ARM: OMAP2+: remove superfluous NULL pointer check
  ARM: EXYNOS: Fix build breakage cpuidle on !SMP
  ARM: dts: fix lid and power pin-functions for exynos5250-spring
  ARM: dts: fix mmc node updates for exynos5250-spring
  ARM: OMAP4: remove dead kconfig option OMAP4_ERRATA_I688
  MAINTAINERS: add OMAP defconfigs under OMAP SUPPORT
  ARM: OMAP1: PM: fix some build warnings on 1510-only Kconfigs
  ARM: cns3xxx: don't export static symbol
  ARM: S3C24XX: avoid a Kconfig warning
  ARM: S3C24XX: fix header file inclusions
  ARM: S3C24XX: fix building without PM_SLEEP
  ARM: S3C24XX: use SAMSUNG_WAKEMASK for s3c2416
  ...
2015-04-22 09:03:30 -07:00
Olof Johansson
48c1078509 Urgent pull request for v4.1 to booting for custom kernel
.config files that do not have MFD_SYSCON set.
 
 Omaps now have a dependency to MFD_SYSCON for system control
 module generic register area and some clocks with the changes
 done in omap-for-v4.1/prcm-dts branch.
 
 This can be pulled on top of omap-for-v4.1/prcm-dts, or into
 fixes for v4.1.
 
 We already do have a slight MFD_SYSCON dependency for
 REGULATOR_PBIAS for dual voltage MMC cards on the first MMC
 bus for many devices, so from that point of view this can
 also be merged separately from omap-for-v4.1/prcm-dts.
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Merge tag 'omap-for-v4.1/prcm-dts-mfd-syscon-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/late

Merge "urgent omap boot fix for v4.1 if MFD_SYSCON is not set" from Tony
Lindgren:

Urgent pull request for v4.1 to booting for custom kernel
.config files that do not have MFD_SYSCON set.

Omaps now have a dependency to MFD_SYSCON for system control
module generic register area and some clocks with the changes
done in omap-for-v4.1/prcm-dts branch.

This can be pulled on top of omap-for-v4.1/prcm-dts, or into
fixes for v4.1.

We already do have a slight MFD_SYSCON dependency for
REGULATOR_PBIAS for dual voltage MMC cards on the first MMC
bus for many devices, so from that point of view this can
also be merged separately from omap-for-v4.1/prcm-dts.

* tag 'omap-for-v4.1/prcm-dts-mfd-syscon-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: Fix booting with configs that don't have MFD_SYSCON

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-04-21 21:45:15 -07:00
Mauro Carvalho Chehab
64131a87f2 Merge branch 'drm-next-merged' of git://people.freedesktop.org/~airlied/linux into v4l_for_linus
* 'drm-next-merged' of git://people.freedesktop.org/~airlied/linux: (9717 commits)
  media-bus: Fixup RGB444_1X12, RGB565_1X16, and YUV8_1X24 media bus format
  hexdump: avoid warning in test function
  fs: take i_mutex during prepare_binprm for set[ug]id executables
  smp: Fix error case handling in smp_call_function_*()
  iommu-common: Fix PARISC compile-time warnings
  sparc: Make LDC use common iommu poll management functions
  sparc: Make sparc64 use scalable lib/iommu-common.c functions
  Break up monolithic iommu table/lock into finer graularity pools and lock
  sparc: Revert generic IOMMU allocator.
  tools/power turbostat: correct dumped pkg-cstate-limit value
  tools/power turbostat: calculate TSC frequency from CPUID(0x15) on SKL
  tools/power turbostat: correct DRAM RAPL units on recent Xeon processors
  tools/power turbostat: Initial Skylake support
  tools/power turbostat: Use $(CURDIR) instead of $(PWD) and add support for O= option in Makefile
  tools/power turbostat: modprobe msr, if needed
  tools/power turbostat: dump MSR_TURBO_RATIO_LIMIT2
  tools/power turbostat: use new MSR_TURBO_RATIO_LIMIT names
  Bluetooth: hidp: Fix regression with older userspace and flags validation
  config: Enable NEED_DMA_MAP_STATE by default when SWIOTLB is selected
  perf/x86/intel/pt: Fix and clean up error handling in pt_event_add()
  ...

That solves several merge conflicts:
	Documentation/DocBook/media/v4l/subdev-formats.xml
	Documentation/devicetree/bindings/vendor-prefixes.txt
	drivers/staging/media/mn88473/mn88473.c
	include/linux/kconfig.h
	include/uapi/linux/media-bus-format.h

The ones at subdev-formats.xml and media-bus-format.h are not trivial.
That's why we opted to merge from DRM.
2015-04-21 09:44:55 -03:00
Tony Lindgren
da4d81453c ARM: OMAP2+: Fix booting with configs that don't have MFD_SYSCON
With the recent changes omaps have developed a dependency to MFD_SYSCON.
This is used for system control module generic register area and some
clocks.

We do have it selected in omap2plus_defconfig, but targeted config
files may not have it selected. Let's make sure it's selected like
few other ARM platforms are already doing.

Reported-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-04-20 10:36:31 -07:00
Olof Johansson
cdaa8cf348 Merge branch 'fixes' into next/fixes-non-critical
Merge a set of fixes that we missed sending in before v4.0 release. These
will also be sent to -stable.

* fixes: (659 commits)
  ARM: at91/dt: sama5d3 xplained: add phy address for macb1
  kbuild: Create directory for target DTB
  ARM: mvebu: Disable CPU Idle on Armada 38x
  arm64: juno: Fix misleading name of UART reference clock
  ARM: dts: sunxi: Remove overclocked/overvoltaged OPP
  ARM: dts: sun4i: a10-lime: Override and remove 1008MHz OPP setting
  ARM: socfpga: dts: fix spi1 interrupt
  ARM: dts: Fix gpio interrupts for dm816x
  ARM: dts: dra7: remove ti,hwmod property from pcie phy
  ARM: EXYNOS: Fix build breakage cpuidle on !SMP
  ARM: OMAP: dmtimer: disable pm runtime on remove
  ARM: OMAP: dmtimer: check for pm_runtime_get_sync() failure
  ARM: dts: fix lid and power pin-functions for exynos5250-spring
  ARM: dts: fix mmc node updates for exynos5250-spring
  ARM: OMAP2+: Fix socbus family info for AM33xx devices
  ARM: dts: omap3: Add missing dmas for crypto
  + Linux 4.0-rc4

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-04-20 07:59:04 -07:00
Linus Torvalds
2481bc7528 Power management and ACPI updates for v4.1-rc1
- Generic PM domains support update including new PM domain
    callbacks to handle device initialization better (Russell King,
    Rafael J Wysocki, Kevin Hilman).
 
  - Unified device properties API update including a new mechanism
    for accessing data provided by platform initialization code
    (Rafael J Wysocki, Adrian Hunter).
 
  - ARM cpuidle update including ARM32/ARM64 handling consolidation
    (Daniel Lezcano).
 
  - intel_idle update including support for the Silvermont Core in
    the Baytrail SOC and for the Airmont Core in the Cherrytrail and
    Braswell SOCs (Len Brown, Mathias Krause).
 
  - New cpufreq driver for Hisilicon ACPU (Leo Yan).
 
  - intel_pstate update including support for the Knights Landing
    chip (Dasaratharaman Chandramouli, Kristen Carlson Accardi).
 
  - QorIQ cpufreq driver update (Tang Yuantian, Arnd Bergmann).
 
  - powernv cpufreq driver update (Shilpasri G Bhat).
 
  - devfreq update including Tegra support changes (Tomeu Vizoso,
    MyungJoo Ham, Chanwoo Choi).
 
  - powercap RAPL (Running-Average Power Limit) driver update
    including support for Intel Broadwell server chips (Jacob Pan,
    Mathias Krause).
 
  - ACPI device enumeration update related to the handling of the
    special PRP0001 device ID allowing DT-style 'compatible' property
    to be used for ACPI device identification (Rafael J Wysocki).
 
  - ACPI EC driver update including limited _DEP support (Lan Tianyu,
    Lv Zheng).
 
  - ACPI backlight driver update including a new mechanism to allow
    native backlight handling to be forced on non-Windows 8 systems
    and a new quirk for Lenovo Ideapad Z570 (Aaron Lu, Hans de Goede).
 
  - New Windows Vista compatibility quirk for Sony VGN-SR19XN (Chen Yu).
 
  - Assorted ACPI fixes and cleanups (Aaron Lu, Martin Kepplinger,
    Masanari Iida, Mika Westerberg, Nan Li, Rafael J Wysocki).
 
  - Fixes related to suspend-to-idle for the iTCO watchdog driver and
    the ACPI core system suspend/resume code (Rafael J Wysocki, Chen Yu).
 
  - PM tracing support for the suspend phase of system suspend/resume
    transitions (Zhonghui Fu).
 
  - Configurable delay for the system suspend/resume testing facility
    (Brian Norris).
 
  - PNP subsystem cleanups (Peter Huewe, Rafael J Wysocki).
 
 /
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Merge tag 'pm+acpi-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management and ACPI updates from Rafael Wysocki:
 "These are mostly fixes and cleanups all over, although there are a few
  items that sort of fall into the new feature category.

  First off, we have new callbacks for PM domains that should help us to
  handle some issues related to device initialization in a better way.

  There also is some consolidation in the unified device properties API
  area allowing us to use that inferface for accessing data coming from
  platform initialization code in addition to firmware-provided data.

  We have some new device/CPU IDs in a few drivers, support for new
  chips and a new cpufreq driver too.

  Specifics:

   - Generic PM domains support update including new PM domain callbacks
     to handle device initialization better (Russell King, Rafael J
     Wysocki, Kevin Hilman)

   - Unified device properties API update including a new mechanism for
     accessing data provided by platform initialization code (Rafael J
     Wysocki, Adrian Hunter)

   - ARM cpuidle update including ARM32/ARM64 handling consolidation
     (Daniel Lezcano)

   - intel_idle update including support for the Silvermont Core in the
     Baytrail SOC and for the Airmont Core in the Cherrytrail and
     Braswell SOCs (Len Brown, Mathias Krause)

   - New cpufreq driver for Hisilicon ACPU (Leo Yan)

   - intel_pstate update including support for the Knights Landing chip
     (Dasaratharaman Chandramouli, Kristen Carlson Accardi)

   - QorIQ cpufreq driver update (Tang Yuantian, Arnd Bergmann)

   - powernv cpufreq driver update (Shilpasri G Bhat)

   - devfreq update including Tegra support changes (Tomeu Vizoso,
     MyungJoo Ham, Chanwoo Choi)

   - powercap RAPL (Running-Average Power Limit) driver update including
     support for Intel Broadwell server chips (Jacob Pan, Mathias Krause)

   - ACPI device enumeration update related to the handling of the
     special PRP0001 device ID allowing DT-style 'compatible' property
     to be used for ACPI device identification (Rafael J Wysocki)

   - ACPI EC driver update including limited _DEP support (Lan Tianyu,
     Lv Zheng)

   - ACPI backlight driver update including a new mechanism to allow
     native backlight handling to be forced on non-Windows 8 systems and
     a new quirk for Lenovo Ideapad Z570 (Aaron Lu, Hans de Goede)

   - New Windows Vista compatibility quirk for Sony VGN-SR19XN (Chen Yu)

   - Assorted ACPI fixes and cleanups (Aaron Lu, Martin Kepplinger,
     Masanari Iida, Mika Westerberg, Nan Li, Rafael J Wysocki)

   - Fixes related to suspend-to-idle for the iTCO watchdog driver and
     the ACPI core system suspend/resume code (Rafael J Wysocki, Chen Yu)

   - PM tracing support for the suspend phase of system suspend/resume
     transitions (Zhonghui Fu)

   - Configurable delay for the system suspend/resume testing facility
     (Brian Norris)

   - PNP subsystem cleanups (Peter Huewe, Rafael J Wysocki)"

* tag 'pm+acpi-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (74 commits)
  ACPI / scan: Fix NULL pointer dereference in acpi_companion_match()
  ACPI / scan: Rework modalias creation when "compatible" is present
  intel_idle: mark cpu id array as __initconst
  powercap / RAPL: mark rapl_ids array as __initconst
  powercap / RAPL: add ID for Broadwell server
  intel_pstate: Knights Landing support
  intel_pstate: remove MSR test
  cpufreq: fix qoriq uniprocessor build
  ACPI / scan: Take the PRP0001 position in the list of IDs into account
  ACPI / scan: Simplify acpi_match_device()
  ACPI / scan: Generalize of_compatible matching
  device property: Introduce firmware node type for platform data
  device property: Make it possible to use secondary firmware nodes
  PM / watchdog: iTCO: stop watchdog during system suspend
  cpufreq: hisilicon: add acpu driver
  ACPI / EC: Call acpi_walk_dep_device_list() after installing EC opregion handler
  cpufreq: powernv: Report cpu frequency throttling
  intel_idle: Add support for the Airmont Core in the Cherrytrail and Braswell SOCs
  intel_idle: Update support for Silvermont Core in Baytrail SOC
  PM / devfreq: tegra: Register governor on module init
  ...
2015-04-14 20:21:54 -07:00
Linus Torvalds
8954672d86 Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq core updates from Thomas Gleixner:
 "Managerial summary:

  Core code:
   - final removal of IRQF_DISABLED
   - new state save/restore functions for virtualization support
   - wakeup support for stacked irqdomains
   - new function to solve the netpoll synchronization problem

 irqchips:
   - new driver for STi based devices
   - new driver for Vybrid MSCM
   - massive cleanup of the GIC driver by moving the GIC-addons to
     stacked irqdomains
   - the usual pile of fixes and updates to the various chip drivers"

* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (44 commits)
  irqchip: GICv3: Add support for irq_[get, set]_irqchip_state()
  irqchip: GIC: Add support for irq_[get, set]_irqchip_state()
  genirq: Allow the irqchip state of an IRQ to be save/restored
  genirq: MSI: Fix freeing of unallocated MSI
  irqchip: renesas-irqc: Add wake-up support
  irqchip: armada-370-xp: Allow using wakeup source
  irqchip: mips-gic: Add new functions to start/stop the GIC counter
  irqchip: tegra: Add Tegra210 support
  irqchip: digicolor: Move digicolor_set_gc to init section
  irqchip: renesas-irqc: Add functional clock to bindings
  irqchip: renesas-irqc: Add minimal runtime PM support
  irqchip: renesas-irqc: Add more register documentation
  DT: exynos: update PMU binding
  ARM: exynos4/5: convert pmu wakeup to stacked domains
  irqchip: gic: Don't complain in gic_get_cpumask() if UP system
  ARM: zynq: switch from gic_arch_extn to gic_set_irqchip_flags
  ARM: ux500: switch from gic_arch_extn to gic_set_irqchip_flags
  ARM: shmobile: remove use of gic_arch_extn.irq_set_wake
  irqchip: gic: Add an entry point to set up irqchip flags
  ARM: omap: convert wakeupgen to stacked domains
  ...
2015-04-13 15:54:50 -07:00
Linus Torvalds
8d9095c667 MMC core:
- Add support for marking HPI as broken through devicetree
 - Enable runtime PM management of host devices
 - Remove the ->enable|disable() callbacks
 - Restructure code and cleanups
 - Refreshed some of the MMC sections in MAINTAINERS
 
 MMC host:
 - dw_mmc: HS400 mode support
 - dw_mmc: Add the cmd11 timer to detect a timeout
 - dw_mmc: Endian agnostic IO accessors
 - dw_mmc: Bugfixes
 - sh_mmcif: Add exclusion between cmd and interrupt
 - omap_hsmmc: Hibernation support
 - omap_hsmmc: Rework and simplify cover/card detect
 - omap_hsmmc: Stop using ->enable|disable() callbacks
 - atmel-mci: Endian agnostic IO
 - sunxi: Enable MMC_CAP_SDIO_IRQ
 - sdhci-st: Add support for the stih407 family silicon
 - sdhci-st: UHS card support in SDR104 mode
 - sdhci-st: HS200 mode support
 - sdhci-esdhc-imx: Use common mmc DT parser
 - sdhci-of-arasan: Use common mmc DT parser
 - sdhci-iproc: Add new driver for Broadcom IPROC SDHCI controller
 - sdhci-tegra: Convert to GPIO descriptors
 - sdhci-tegra: Optmize write_w path for tegra114 and later
 - sdhci-sirf: Update tuning procedure
 - sdhci: Fix card presence logic
 - sdhci: Cleanups and consolidation
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Merge tag 'mmc-v4.1' of git://git.linaro.org/people/ulf.hansson/mmc

Pull MMC updates from Ulf Hansson:
 "MMC core:
   - Add support for marking HPI as broken through devicetree
   - Enable runtime PM management of host devices
   - Remove the ->enable|disable() callbacks
   - Restructure code and cleanups
   - Refreshed some of the MMC sections in MAINTAINERS

  MMC host:
   - dw_mmc: HS400 mode support
   - dw_mmc: Add the cmd11 timer to detect a timeout
   - dw_mmc: Endian agnostic IO accessors
   - dw_mmc: Bugfixes
   - sh_mmcif: Add exclusion between cmd and interrupt
   - omap_hsmmc: Hibernation support
   - omap_hsmmc: Rework and simplify cover/card detect
   - omap_hsmmc: Stop using ->enable|disable() callbacks
   - atmel-mci: Endian agnostic IO
   - sunxi: Enable MMC_CAP_SDIO_IRQ
   - sdhci-st: Add support for the stih407 family silicon
   - sdhci-st: UHS card support in SDR104 mode
   - sdhci-st: HS200 mode support
   - sdhci-esdhc-imx: Use common mmc DT parser
   - sdhci-of-arasan: Use common mmc DT parser
   - sdhci-iproc: Add new driver for Broadcom IPROC SDHCI controller
   - sdhci-tegra: Convert to GPIO descriptors
   - sdhci-tegra: Optmize write_w path for tegra114 and later
   - sdhci-sirf: Update tuning procedure
   - sdhci: Fix card presence logic
   - sdhci: Cleanups and consolidation"

* tag 'mmc-v4.1' of git://git.linaro.org/people/ulf.hansson/mmc: (79 commits)
  mmc: sdhci-st: Update ST SDHCI binding documentation.
  mmc: sdhci-st: Update the quirks for this controller.
  mmc: sdhci-st: Add sdhci_st_set_uhs_signaling function.
  mmc: sdhci-st: Add st_mmcss_cconfig function to configure mmcss glue registers.
  mmc: sdhci-st: Add delay management functions for top registers (eMMC).
  mmc: sdhci-st: Add support for de-asserting reset signal and top regs resource
  mmc: sdhci-st: Add macros for register offsets and bitfields for mmcss glue regs
  mmc: sdhci-esdhc-imx: Call mmc_of_parse()
  mmc: dw_mmc: Add locking around cmd11 timer
  mmc: dw_mmc: Add a return in an unexpected cmd11 timeout
  mmc: dw_mmc: Increase cmd11 timeout to 500ms
  mmc: dw_mmc: fix fifo ordering in big endian
  mmc: dw_mmc: change idmac descriptor files to __le32
  mmc: dw_mmc: make IO accessors endian agnostic
  mmc: core: Convert the error field in struct mmc_command|data into an int
  mmc: sdhci-of-arasan: Call OF parsing for MMC
  mmc: sdhci-pci: fix 64 BIT DMA quirks for rtsx
  mmc: Add support for marking hpi as broken through devicetree
  mmc: sdhci-tegra: convert to use GPIO descriptors
  mmc: omap_hsmmc: use generic slot-gpio isr to manage card detect pin
  ...
2015-04-13 14:53:03 -07:00
Thomas Gleixner
b7dccbea6b irqchip core change for v4.1 (round 3)
- Purge the gic_arch_extn hacks and abuse by using the new stacked domains
 
    NOTE: Due to the nature of these changes, patches crossing subsystems have
          been kept together in their own branches.
 
     - tegra
 
        - Handle the LIC properly
 
     - omap
 
        - Convert crossbar to stacked domains
        - kill arm,routable-irqs in GIC binding
 
     - exynos
 
        - Convert PMU wakeup to stacked domains
 
     - shmobile, ux500, zynq (irq_set_wake branch)
 
        - Switch from abusing gic_arch_extn to using gic_set_irqchip_flags
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Merge tag 'irqchip-core-4.1-3' of git://git.infradead.org/users/jcooper/linux into irq/core

irqchip core change for v4.1 (round 3) from Jason Cooper

 Purge the gic_arch_extn hacks and abuse by using the new stacked domains

   NOTE: Due to the nature of these changes, patches crossing subsystems have
         been kept together in their own branches.

    - tegra
       - Handle the LIC properly

    - omap
       - Convert crossbar to stacked domains
       - kill arm,routable-irqs in GIC binding

    - exynos
       - Convert PMU wakeup to stacked domains

    - shmobile, ux500, zynq (irq_set_wake branch)
       - Switch from abusing gic_arch_extn to using gic_set_irqchip_flags
2015-04-11 11:17:28 +02:00
Rafael J. Wysocki
cdde51b9fe Merge back earlier cpuidle material for v4.1. 2015-04-10 12:01:24 +02:00
Olof Johansson
47f36e4921 CCI-400 PMU updates
This series reworks some of the CCI-400 PMU code so that it can be used
 on both ARM and ARM64-based systems, without the need to boot in secure
 mode on the latter. This paves the way for CCI-500 support in future.
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Merge tag 'arm-perf-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into next/drivers

Merge "arm-cci PMU updates for 4.1" from Will Deacon:

CCI-400 PMU updates

This series reworks some of the CCI-400 PMU code so that it can be used
on both ARM and ARM64-based systems, without the need to boot in secure
mode on the latter. This paves the way for CCI-500 support in future.

* tag 'arm-perf-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux:
  arm-cci: Fix CCI PMU event validation
  arm-cci: Split the code for PMU vs driver support
  arm-cci: Get rid of secure transactions for PMU driver
  arm-cci: Abstract the CCI400 PMU specific definitions
  arm-cci: Rearrange code for splitting PMU vs driver code
  drivers: cci: reject groups spanning multiple HW PMUs
  + Linux 4.0-rc4

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-04-03 13:38:43 -07:00
Thomas Gleixner
fb7f0398a9 ARM: OMAP: Use explicit broadcast oneshot control function
Replace the clockevents_notify() call with an explicit function call.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Tony Lindgren <tony@atomide.com>
Link: http://lkml.kernel.org/r/3123047.uVjevtxDV7@vostro.rjw.lan
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-04-03 08:44:35 +02:00
Thomas Gleixner
fa8589fe3b ARM: OMAP: Use explicit broadcast control function
Replace the clockevents_notify() call with an explicit function call.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Tony Lindgren <tony@atomide.com>
Link: http://lkml.kernel.org/r/2124877.3nbWGILHCV@vostro.rjw.lan
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-04-03 08:44:33 +02:00
Sakari Ailus
8644cdf972 [media] omap3isp: Replace many MMIO regions by two
The omap3isp MMIO register block is contiguous in the MMIO register space
apart from the fact that the ISP IOMMU register block is in the middle of
the area. Ioremap it at two occasions, and keep the rest of the layout of
the register space internal to the omap3isp driver.

Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-04-02 16:45:07 -03:00
Sakari Ailus
503596a152 [media] omap3isp: Move the syscon register out of the ISP register maps
The syscon register isn't part of the ISP, use it through the syscom driver
regmap instead. The syscom block is considered to be from 343x on ISP
revision 2.0 whereas 15.0 is assumed to have 3630 syscon.

Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-04-02 16:44:18 -03:00
Sakari Ailus
6890874772 [media] omap3isp: Refactor device configuration structs for Device Tree
Make omap3isp configuration data structures more suitable for consumption by
the DT by separating the I2C bus information of all the sub-devices in a
group and the ISP bus information from each other. The ISP bus information
is made a pointer instead of being directly embedded in the struct.

In the case of the DT only the sensor specific information on the ISP bus
configuration is retained. The structs are renamed to reflect that.

After this change the structs needed to describe device configuration can be
allocated and accessed separately without those needed only in the case of
platform data. The platform data related structs can be later removed once
the support for platform data can be removed.

Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Acked-by: Igor Grinberg <grinberg@compulab.co.il> (for cm-t35)
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-04-02 16:41:01 -03:00
Tony Lindgren
2129536836 Merge branch '4.0-rc1-prcm-cleanup-v6' of https://github.com/t-kristo/linux-pm into omap-for-v4.1/prcm-cleanup
Conflicts:
	arch/arm/boot/dts/dra7.dtsi
2015-04-01 12:24:29 -07:00
Tero Kristo
ca125b5e31 ARM: OMAP4+: control: add support for initializing control module via DT
OMAP4, OMAP5 and DRA7 now parse DT entries for control module address spaces,
and set up syscon mappings appropriately. Low level IO init is updated to
remove the legacy control module mappings for these devices also.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-03-31 21:26:59 +03:00
Tero Kristo
efde234674 ARM: OMAP4+: control: remove support for legacy pad read/write
omap4_ctrl_pad_readl/writel are no longer used by anybody, so remove
these. Syscon / pinctrl should be used to access the padconf area
instead.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-03-31 21:26:58 +03:00
Tero Kristo
23d34981c7 ARM: OMAP4: display: convert display to use syscon for dsi muxing
The legacy control module APIs will be gone, thus convert the display
driver to use syscon. This change should eventually be moved to
display driver from the board directory.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
2015-03-31 21:26:58 +03:00
Tero Kristo
83a5d6c98a ARM: dts: am4372: add minimal l4 bus layout with control module support
This patch creates an l4_wkup interconnect for AM43xx, and moves some of
the generic peripherals under it. System control module nodes are moved
under this new interconnect also, and the SCM clock layout is changed
to use the renamed SCM nodea as the clock provider.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-03-31 21:26:56 +03:00
Tero Kristo
e3bc5358e0 ARM: dts: am33xx: add minimal l4 bus layout with control module support
This patch creates an l4_wkup interconnect for AM33xx, and moves some of
the generic peripherals under it. System control module nodes are moved
under this new interconnect also, and the SCM clock layout is changed
to use the renamed SCM node as the clock provider.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-03-31 21:26:56 +03:00
Tero Kristo
b8845074cf ARM: dts: omap3: add minimal l4 bus layout with control module support
This patch creates an l4_core interconnect for OMAP3, and moves some
of the generic peripherals under it. System control module nodes are
moved under this new interconnect also, and the SCM clock layout
is changed to use the renamed SCM node as the clock provider.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reported-by: Tony Lindgren <tony@atomide.com>
2015-03-31 21:26:56 +03:00
Tero Kristo
72b10ac00e ARM: dts: omap24xx: add minimal l4 bus layout with control module support
This patch creates an l4 / l4-wkup interconnects for omap2420 / omap2430
SoCs, and moves some of the generic peripherals under it. System control
module nodes are moved under this new interconnect also, and the SCM
clock layout is changed to use the new SCM node as the clock provider.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-03-31 21:26:55 +03:00
Tero Kristo
e5b635742e ARM: OMAP2+: control: add syscon support for register accesses
Control module driver needs to support syscon for register accesses, as
the DT hierarchy for control module driver is going to be changed. All
the control module related features will be moved under control module
node, including clocks, pinctrl, and generic configuration register
access. Temporary iomap is still provided very early in the boot for
access while syscon is not yet ready.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-03-31 21:26:55 +03:00
Tero Kristo
23d240d661 ARM: OMAP2+: id: cache omap_type value
There is no need to read the register with every invocation of the function,
as the value is constant. Thus, cache the value in a static variable.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-03-31 21:26:55 +03:00
Tero Kristo
ae0f679847 ARM: OMAP2+: control: remove API for getting control module base address
This shall not be used anymore, as control module driver is converted
into using regmap.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-03-31 21:26:55 +03:00
Tero Kristo
80cbb224b7 ARM: OMAP2+: clock: add low-level support for regmap
Some of the TI clock providers will be converted to use syscon, thus
low-level regmap support is needed for the clock drivers also. This
patch adds this support, which can be enabled for individual drivers
in later patches.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-03-31 21:26:55 +03:00
Tero Kristo
219595b6ee ARM: OMAP4+: PRM: get rid of cpu_is_omap44xx calls from interrupt init
The compatible DT node is now passed with the prm init, so there is no
need to do node matching here again. Added a new flag to the init data
also, to detect default IRQ support for OMAP4. Also, any booting omap4
DT setup always has a PRM node, so there is no need to check against
the special case where it would be missing.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-03-31 21:26:53 +03:00
Tero Kristo
8b5b9a22b5 ARM: OMAP4+: PRM: setup prm_features from the PRM init time flags
Currently some cpu_is_X checks are used to setup prm_features, however
the same can be accomplished by just passing these flags from the PRM
init data. This is done in preparation to make PRM a separate driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-03-31 21:26:52 +03:00
Tero Kristo
425dc8b2df ARM: OMAP2+: CM: move SoC specific init calls within a generic API
This gets rid of need for some exported driver APIs, and simplifies the
initialization of the CM driver. Done in preparation to make CM a
separate driver. The init data is now also passed to the SoC specific
implementations, allowing future expansion to add feature flags etc.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-03-31 21:26:50 +03:00
Tero Kristo
48e0c1148d ARM: OMAP4+: PRM: determine prm_device_inst based on DT compatibility
PRM device instance offset is now provided through the prm_init_data.
This gets rid of some cpu_is_X / soc_is_X calls from PRM core code,
preparing for PRM to be its own separate driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-03-31 21:26:44 +03:00
Tero Kristo
ab7b2ffcf5 ARM: OMAP2+: PRM: move SoC specific init calls within a generic API
This gets rid of need for some exported driver APIs, and simplifies the
initialization of the PRM driver. Done in preparation to make PRM a
separate driver. The init data is now also passed to the SoC specific
implementations, allowing future expansion to add feature flags etc.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-03-31 21:26:36 +03:00
Praneeth Bajjuri
209431eff8 ARM: DRA7: Enable Cortex A15 errata 798181
ARM errata 798181 is applicable for OMAP5/DRA7 based devices. So enable
the same in the build.

DRA7xx is based on Cortex-A15 r2p2 revision.

ARM Errata extract and workaround information is as below.

On Cortex-A15 (r0p0..r3p2) the TLBI*IS/DSB operations are not
adequately shooting down all use of the old entries. The
ARM_ERRATA_798181 option enables the Linux kernel workaround
for this erratum which sends an IPI to the CPUs that are running
the same ASID as the one being invalidated.

Signed-off-by: Praneeth Bajjuri <praneeth@ti.com>
Acked-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-03-27 14:38:03 -07:00
Tony Lindgren
a6b188e50a OMAP hwmod data changes for AM43xx and DRA7xx for v4.1
Add support for the AM43xx HDQ/1-wire driver and fix the GPTIMER data
 for DRA7xx.
 
 Note that I do not have AM43xx nor DRA7xx boards, and cannot test these
 patches on those platforms.
 
 Basic build, boot, and PM test logs are available at:
 
 http://www.pwsan.com/omap/testlogs/omap-hwmod-a-for-v4.1/20150324185246/
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Merge tag 'for-v4.1/omap-hwmod-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v4.1/soc

OMAP hwmod data changes for AM43xx and DRA7xx for v4.1

Add support for the AM43xx HDQ/1-wire driver and fix the GPTIMER data
for DRA7xx.

Note that I do not have AM43xx nor DRA7xx boards, and cannot test these
patches on those platforms.

Basic build, boot, and PM test logs are available at:

http://www.pwsan.com/omap/testlogs/omap-hwmod-a-for-v4.1/20150324185246/
2015-03-27 10:42:16 -07:00
Andreas Fenkart
b7a5646fa5 ARM: OMAP2: HSMMC: explicit fields to declare cover/card detect pin
board-rx51 has no card detect pin in the mmc slot, but can detect that
the (cell-phone) cover has been removed and the card is accessible.
The semantics between cover/card detect differ, the gpio on the slot
informs you after the card has been removed, cover removal does not
necessarily mean that the card has been removed.
This means different code paths are necessary. To complete this we
also want different fields in the platform data for cover and card
detect. This separation is not pushed all the way down into struct
omap2_hsmmc_info which is used to initialize the platform data.
If we did that we had to go over all board files and set the new
gpio_cod pin to -EINVAL. If we forget one board or some out-of-tree
archicture forgets that the default '0' is used which is a valid pin
number.

Signed-off-by: Andreas Fenkart <afenkart@gmail.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2015-03-27 12:19:37 +01:00
Tero Kristo
2208bf115f ARM: OMAP2+: control: determine control module base address from DT
There is no need to provide the control module base address through a
low-level API from the low-level IO init, as this information is
available through DT. This patch adds a new API to initialize the
control module though, but mostly makes the old API obsolete. The
old API can be completely removed once OMAP3 is made DT only.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-03-27 10:56:00 +02:00
Tero Kristo
ae521d4d9c ARM: OMAP2+: PRM: determine PRM base address from device tree
There is no need to provide the PRM base address through a low-level API
from the low-level IO init, as this information is available through DT.
Re-routed the parsing function to be called from the PRM drivers also to
simplify the implementation under io.c.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-03-27 10:55:58 +02:00
Tero Kristo
5970ca2db9 ARM: OMAP2+: CM: determine CM base address from device tree
There is no need to provide the CM base address through a low-level API
from the low-level IO init, as this information is available through DT.
Re-routed the parsing function to be called from the CM drivers also to
simplify the implementation under io.c.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-03-27 10:55:57 +02:00
Tero Kristo
fe87414f71 ARM: OMAP2+: PRCM: split PRCM module init to their own driver files
Splits the clock related provider module inits under their own driver files.
Previously this was done for all modules under the common PRM driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-03-27 10:55:56 +02:00
Tero Kristo
9f029b1579 ARM: OMAP2+: clock: move clock provider infrastructure to clock driver
Splits the clock provider init out of the PRM driver and moves it to
clock driver. This is needed so that once the PRCM drivers are separated,
they can logically just access the clock driver not needing to go through
common PRM code. This would be wrong in the case of control module for
example.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-03-27 10:53:30 +02:00
Stefan Agner
afda768f88 ARM: OMAP2+: remove superfluous NULL pointer check
The NULL pointer check for superset->muxnames will always evaluate
true since muxnames is an array within struct omap_mux. Remove the
superfluous check to avoid warnings when using LLVM/clang.

Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-03-26 10:33:25 -07:00
Tero Kristo
3a3e1c8836 ARM: OMAP2+: PRCM: add support for static clock memmap indices
All clock provider related drivers will now register their iomaps
with a static index. This makes it easier to split up the individual
drivers to their own files in subsequent patches.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-03-25 11:03:52 +02:00
Tero Kristo
b22df89fcc ARM: OMAP4: PRM: move omap4xxx_prm_init earlier in init order
OMAP4 has different ordering of PRM and CM init calls in the early init.
Re-oder these accordingly for OMAP4 also. This is needed so that we
can do some optimizations in the following patches for the PRCM init.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-03-25 11:03:44 +02:00
Tero Kristo
66db6428d5 ARM: OMAP4+: CM: move omap_cm_base_init under OMAP4 CM driver
There is no need to call this separately from io.c, rather this can be
done commonly under the CM driver. Also, this patch makes the API static,
as it is no longer used outside the driver file.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-03-25 11:03:42 +02:00
Tero Kristo
4e3870f3f6 ARM: OMAP4+: PRM: move omap_prm_base_init under OMAP4 PRM driver
There is no need to call this separately from io.c, rather this can be
done commonly under the PRM driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-03-25 11:03:40 +02:00
Tero Kristo
e9f1ddcdec ARM: OMAP3+: PRM: add common APIs for prm_vp_check/clear_txdone
PRM driver now only exports a generic API for clearing / checking
VP txdone status.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-03-25 11:03:39 +02:00
Tero Kristo
9cb6d36371 ARM: OMAP2+: PRM: add generic API for clear_mod_irqs
OMAP2/3 now use generic API for the prm_clear_mod_irqs, the SoC specific
implementation details are provided through prm_ll_data.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-03-25 11:03:37 +02:00
Tero Kristo
f0caa5270b ARM: OMAP3: PRM: invert the wkst_mask for the prm_clear_mod_irqs
This makes the API the same as used with OMAP2, and makes it possible
to implement a generic driver API for the functionality.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-03-25 11:03:36 +02:00
Tero Kristo
3a1a388e91 ARM: OMAP2+: PRCM: rename of_prcm_init to omap_prcm_init
This avoids conflicts in the global namespace, and is more descriptive
of the purpose anyway.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-03-25 11:03:35 +02:00
Suman Anna
edec178633 ARM: DRA7: hwmod: Fix the hwmod class for GPTimer4
GPTimer 4 is a regular timer and not a secure timer, so fix
the hwmod to use the correct hwmod class (even though there
are no differences in the class definition itself).

Signed-off-by: Suman Anna <s-anna@ti.com>
[paul@pwsan.com: dropped dra7xx_timer_secure_hwmod_class and
 dra7xx_timer_secure_sysc to avoid compiler warnings]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2015-03-24 11:52:50 -06:00
Suman Anna
1ac964f4c5 ARM: DRA7: hwmod: Add data for GPTimers 13 through 16
Add the hwmod data for GPTimers 13, 14, 15 and 16. All these
timers are present in the L4PER3 clock domain.

The corresponding DT nodes are already present but disabled.

Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2015-03-24 11:52:20 -06:00
Eliad Peller
99f84cae43 ARM: dts: add wl12xx/wl18xx bindings
Replace all the pdata-quirks for setting wl12xx/wl18xx
platform data with proper DT definitions.

Signed-off-by: Eliad Peller <eliad@wizery.com>
Acked-by: Javier Martinez Canillas <javier@dowhile0.org>
Acked-by: Enric Balletbo i Serra <eballetbo@gmail.com>
Tested-by: Nikita Kiryanov <nikita@compulab.co.il>
Tested-by: Tony Lindgren <tony@atomide.com>
Acked-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-03-24 09:48:14 -07:00
Luciano Coelho
44486b48b0 wl12xx: use frequency instead of enumerations for pdata clocks
Instead of defining an enumeration with the FW specific values for the
different clock rates, use the actual frequency instead.  Also add a
boolean to specify whether the clock is XTAL or not.

Change all board files to reflect this.

Signed-off-by: Luciano Coelho <luca@coelho.fi>
[Eliad - small fixes, update board file changes]
Signed-off-by: Eliad Peller <eliad@wizery.com>
Tested-by: Nikita Kiryanov <nikita@compulab.co.il>
Acked-by: Kalle Valo <kvalo@codeaurora.org>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-03-24 09:47:57 -07:00
Daniel Lezcano
eeebc3bb4d ARM: cpuidle: Remove duplicate header inclusion
The cpu_do_idle() function is always used by the cpuidle drivers.

That led to have each driver including cpuidle.h and proc-fns.h, they are
always paired. That makes a lot of duplicate headers inclusion. Instead of
including both in each .c file, move the proc-fns.h header inclusion in the
cpuidle.h header file directly, so we can save some line of code.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Kevin Hilman <khilman@linaro.org>
Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Tested-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
2015-03-23 18:03:11 +01:00
Luciano Coelho
6f921fab58 wlcore: set irq_trigger in board files instead of hiding behind a quirk
The platform_quirk element in the platform data was used
to change the way the IRQ is triggered.  When set,
the EDGE_IRQ quirk would change the irqflags used
and treat edge trigger differently from the rest.

Instead of hiding this irq flag setting behind the quirk,
have the board files set the irq_trigger explicitly.

This will allow us to use standard irq DT definitions
later on.

Signed-off-by: Luciano Coelho <luca@coelho.fi>
[Eliad - rebase, add irq_trigger field and pass it,
update board file changes]
Signed-off-by: Eliad Peller <eliad@wizery.com>
Tested-by: Nikita Kiryanov <nikita@compulab.co.il>
Acked-by: Kalle Valo <kvalo@codeaurora.org>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-03-19 14:20:50 -07:00
Tony Lindgren
01ea0d4247 ARM: OMAP2+: Remove legacy support for omap3 TouchBook
We've been moving all omap2+ based systems to boot in device tree only
mode for a few years now. Only omap3 has legacy booting support
remaining. Most omap3 boards already have related arch/arm/boot/*.dts*
files for booting with device tree.

As it seems this board only has minimal support upstreamed for the
legacy booting and has not seen activity for on the mailing lists
for a few years, let's attempt to remove the related legacy board-*.c
file.

I do not have this board, but it seems getting the same level of
support with device tree based booting is mostly just configuring
the .dts file. And there is no need to upgrade the boot loader as
we can boot with appended DTB too. And most of the omap3 boards
seem to be related to omap3-evm, and omap3beagleboard that are
supported with device tree based booting.

If somebody is using this board actively with the mainline kernel,
please communicate this to the linux-omap mailing list so we can
get the board booting with device tree based support. I can help
some too getting the minimal device tree based booting going if
help is needed.

The reason for attempting to remove this board now is that I'd
rather get the remaining omap3 legacy booting support into a known
state where we at least have a .dts file being written for the
remaining legacy boards. That is because for the next few merge
cycles we can still revert this patch if absolutely necessary,
but I'd rather not get suprised by missing .dts files at the point
where we are ready to drop all remaining omap3 legacy booting
support later on.

Cc: Gregoire Gentil <gregoire@gentil.com>
Cc: Radek Pilar <mrkva@mrkva.eu>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-03-16 17:07:26 -07:00
Tony Lindgren
f56a1b24f5 ARM: OMAP3: Remove legacy support for devkit8000
We've been moving all omap2+ based systems to boot in device tree only
mode for a few years now. Only omap3 has legacy booting support
remaining. Most omap3 boards already have related arch/arm/boot/*.dts*
files for booting with device tree.

As it seems this board only has minimal support upstreamed for the
legacy booting and has not seen activity for on the mailing lists
for a few years, let's attempt to remove the related legacy board-*.c
file.

I do not have this board, but it seems getting the same level of
support with device tree based booting is mostly just configuring
the .dts file. And there is no need to upgrade the boot loader as
we can boot with appended DTB too. And most of the omap3 boards
seem to be related to omap3-evm, and omap3beagleboard that are
supported with device tree based booting.

If somebody is using this board actively with the mainline kernel,
please communicate this to the linux-omap mailing list so we can
get the board booting with device tree based support. I can help
some too getting the minimal device tree based booting going if
help is needed.

The reason for attempting to remove this board now is that I'd
rather get the remaining omap3 legacy booting support into a known
state where we at least have a .dts file being written for the
remaining legacy boards. That is because for the next few merge
cycles we can still revert this patch if absolutely necessary,
but I'd rather not get suprised by missing .dts files at the point
where we are ready to drop all remaining omap3 legacy booting
support later on.

http://www.embest-tech.com/product/single-board-computers/index.html

Cc: Thomas Weber <thomas@tomweber.eu>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-03-16 17:05:37 -07:00
Tony Lindgren
35cc73dae6 ARM: OMAP3: Remove legacy support for EMA-Tech Stalker board
We've been moving all omap2+ based systems to boot in device tree only
mode for a few years now. Only omap3 has legacy booting support
remaining. Most omap3 boards already have related arch/arm/boot/*.dts*
files for booting with device tree.

As it seems this board only has minimal support upstreamed for the
legacy booting and has not seen activity for on the mailing lists
for a few years, let's attempt to remove the related legacy board-*.c
file.

I do not have this board, but it seems getting the same level of
support with device tree based booting is mostly just configuring
the .dts file. And there is no need to upgrade the boot loader as
we can boot with appended DTB too. And most of the omap3 boards
seem to be related to omap3-evm, and omap3beagleboard that are
supported with device tree based booting.

If somebody is using this board actively with the mainline kernel,
please communicate this to the linux-omap mailing list so we can
get the board booting with device tree based support. I can help
some too getting the minimal device tree based booting going if
help is needed.

The reason for attempting to remove this board now is that I'd
rather get the remaining omap3 legacy booting support into a known
state where we at least have a .dts file being written for the
remaining legacy boards. That is because for the next few merge
cycles we can still revert this patch if absolutely necessary,
but I'd rather not get suprised by missing .dts files at the point
where we are ready to drop all remaining omap3 legacy booting
support later on.

Also looks like this board is no longer listed on ema-tech.com
product page at:

http://ema-tech.com/en/categories.html

Cc: Jason Lam <lzg@ema-tech.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-03-16 16:56:58 -07:00
Stefan Hengelein
606da4826b ARM: OMAP4: remove dead kconfig option OMAP4_ERRATA_I688
The Kconfig-Option OMAP4_ERRATA_I688 is never visible due to a
contradiction in it's dependencies.
The option requires ARCH_MULTIPLATFORM to be 'disabled'. However, an
enclosing menu requires either ARCH_MULTI_V6 or ARCH_MULTI_V7 to be
enabled. These options inherit a dependency from an enclosing menu,
that requires ARCH_MULTIPLATFORM to be 'enabled'.
This is a contradiction and made this option also unavailable for
non-multiplatform configurations.

Since there are no selects on OMAP4_ERRATA_I688, which would ignore
dependencies, the code related to that option is dead and can be
removed.

This (logical) defect has been found with the undertaker tool.
(https://undertaker.cs.fau.de)

Signed-off-by: Stefan Hengelein <stefan.hengelein@fau.de>
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-03-16 16:23:28 -07:00
Grygorii Strashko
6248015d68 ARM: omap-device: add missed callback for suspend-to-disk
Add missed callback needed for supporting suspend-to-disk (hibernation) mode.

Signed-off-by: Grygorii Strashko <Grygorii.Strashko@linaro.org>
Acked-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-03-16 16:21:21 -07:00
Suman Anna
e5ed5b6027 ARM: OMAP2+: Fix socbus family info for AM33xx devices
The family information in the soc-bus data is currently
not classified properly for AM33xx devices, and a read
of /sys/bus/soc/devices/soc0/family currently shows
"Unknown". Fix the same.

Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-03-16 15:30:28 -07:00
Marc Zyngier
7136d457f3 ARM: omap: convert wakeupgen to stacked domains
OMAP4/5 has been (ab)using the gic_arch_extn to provide
wakeup from suspend, and it makes a lot of sense to convert
this code to use stacked domains instead.

This patch does just this, updating the DT files to actually
reflect what the HW provides.

BIG FAT WARNING: because the DTs were so far lying by not
exposing the WUGEN HW block, kernels with this patch applied
won't have any suspend-resume facility when booted with old DTs,
and old kernels with updated DTs won't even boot.

On a platform with this patch applied, the system looks like
this:

root@bacon-fat:~# cat /proc/interrupts
            CPU0       CPU1
 16:          0          0     WUGEN  37  gp_timer
 19:     233799     155916       GIC  27  arch_timer
 23:          0          0     WUGEN   9  l3-dbg-irq
 24:          1          0     WUGEN  10  l3-app-irq
 27:        282          0     WUGEN  13  omap-dma-engine
 44:          0          0  4ae10000.gpio  13  DMA
294:          0          0     WUGEN  20  gpmc
297:        506          0     WUGEN  56  48070000.i2c
298:          0          0     WUGEN  57  48072000.i2c
299:          0          0     WUGEN  61  48060000.i2c
300:          0          0     WUGEN  62  4807a000.i2c
301:          8          0     WUGEN  60  4807c000.i2c
308:       2439          0     WUGEN  74  OMAP UART2
312:        362          0     WUGEN  83  mmc2
313:        502          0     WUGEN  86  mmc0
314:         13          0     WUGEN  94  mmc1
350:          0          0      PRCM  pinctrl, pinctrl
406:   35155709          0       GIC 109  ehci_hcd:usb1
407:          0          0     WUGEN   7  palmas
409:          0          0     WUGEN 119  twl6040
410:          0          0   twl6040   5  twl6040_irq_ready
411:          0          0   twl6040   0  twl6040_irq_th
IPI0:          0          1  CPU wakeup interrupts
IPI1:          0          0  Timer broadcast interrupts
IPI2:      95334     902334  Rescheduling interrupts
IPI3:          0          0  Function call interrupts
IPI4:        479        648  Single function call interrupts
IPI5:          0          0  CPU stop interrupts
IPI6:          0          0  IRQ work interrupts
IPI7:          0          0  completion interrupts
Err:          0

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Link: https://lkml.kernel.org/r/1426088629-15377-8-git-send-email-marc.zyngier@arm.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2015-03-15 00:56:13 +00:00
Marc Zyngier
783d31863f irqchip: crossbar: Convert dra7 crossbar to stacked domains
Support for the TI crossbar used on the DRA7 family of chips
is implemented as an ugly hack on the side of the GIC.

Converting it to stacked domains makes it slightly more
palatable, as it results in a cleanup.

Unfortunately, as the DT bindings failed to acknowledge the
fact that this is actually yet another interrupt controller
(the third, actually), we have yet another breakage. Oh well.

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Link: https://lkml.kernel.org/r/1426088629-15377-3-git-send-email-marc.zyngier@arm.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2015-03-15 00:55:24 +00:00
Tony Lindgren
5b7610f235 ARM: OMAP2+: Fix wl12xx on dm3730-evm with mainline u-boot
I upgraded my u-boot and noticed that wl12xx stopped working.
Turns out the kernel is not setting the quirk for the MMC2
copy clock while the eariler bootloader I had was setting it.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-03-06 10:37:34 -08:00
Robert ABEL
2e67690137 ARM OMAP2+ GPMC: calculate GPMCFCLKDIVIDER based on WAITMONITORINGTIME
The WAITMONITORINGTIME is expressed as a number of GPMC_CLK clock cycles,
even though the access is defined as asynchronous, and no GPMC_CLK clock
is provided to the external device. Still, GPMCFCLKDIVIDER is used as a divider
for the GPMC clock, so it must be programmed to define the
correct WAITMONITORINGTIME delay.

Calculate GPMCFCLKDIVIDER independent of gpmc,sync-clk-ps in DT for
pure asynchronous accesses, i.e. both read and write asynchronous.

Signed-off-by: Robert ABEL <rabel@cit-ec.uni-bielefeld.de>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
2015-03-06 12:39:48 +02:00
Sourav Poddar
89122aa873 ARM: OMAP2: hwmod: AM43XX: Add hwmod support for HDQ-1W
These adds hwmod data for hdq/1w driver on AM43xx.

Signed-off-by: Vignesh R <vigneshr@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2015-03-02 19:52:07 -07:00
Tero Kristo
50f59d07e9 ARM: OMAP4+: PRM: fix omap4 version of prm_save_and_clear_irqen
This was incorrectly reading the irq status registers during the save
and clear, instead of the irq enable. This worked because there is only
one user for the prcm interrupts currently, namely the io-chain. Whenever
the function was called, an io-chain interrupt was both pending and
enabled.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2015-03-01 16:58:25 -07:00
Tero Kristo
80d2518dfd ARM: OMAP2+: hwmod: fix deassert hardreset clkdm usecounting
Deasserting hardreset increases the usecount for the hwmod parent clockdomain
always, however usecount is only decreased at end in certain error cases.
This causes software supervised clockdomains to remain always on, preventing
idle. Fixed by always releasing the hwmods clockdomain parent when exiting
the function.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Tested-by: Carlos Hernandez <ceh@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2015-03-01 16:24:04 -07:00
Kishon Vijay Abraham I
0717103e65 ARM: DRA7: hwmod_data: Fix hwmod data for pcie
Fixed hwmod data for pcie by having the correct module mode offset.
Previously this module mode offset was part of pcie PHY which was wrong.
Now this module mode offset was moved to pcie hwmod and removed the hwmod data
for pcie phy. While at that renamed pcie_hwmod to pciess_hwmod in order
to match with the name given in TRM.

This helps to get rid of the following warning
"omap_hwmod: pcie1: _wait_target_disable failed"

[Grygorii.Strashko@linaro.org: Found the issue that actually caused
 "omap_hwmod: pcie1: _wait_target_disable failed"]
Signed-off-by: Grygorii Strashko <Grygorii.Strashko@linaro.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2015-02-26 00:02:28 -07:00
Peter Ujfalusi
6931795238 ARM: omap2+: omap_hwmod: Set unique lock_class_key per hwmod
Add struct lock_class_key to omap_hwmod struct and use it to set unique
lockdep class per hwmod.
This will ensure that lockdep will know that each omap_hwmod->_lock should
be treated as separate class and will not give false warning about deadlock
or other issues due to nested use of hwmods.
DRA7x's ATL hwmod is one example for this since McASP can select ATL clock
as functional clock, which will trigger nested oh->_lock usage. This will
trigger false warning from lockdep validator as it is dealing with classes
and for it all hwmod clocks are the same class.

Suggested-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2015-02-26 00:00:51 -07:00
Linus Torvalds
2177033233 ARM: SoC fixes for 3.20-rc1
A few fixes that came in too late to make it into the first set of pull
 requests but would still be nice to have in -rc1. The majority of these
 are trivial build fixes for bugs that I found myself using randconfig
 testing, and a set of two patches from Uwe to mark DT strings as 'const'
 where appropriate, to resolve inconsistent section attributes.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Arnd Bergmann:
 "A few fixes that came in too late to make it into the first set of
  pull requests but would still be nice to have in -rc1.

  The majority of these are trivial build fixes for bugs that I found
  myself using randconfig testing, and a set of two patches from Uwe to
  mark DT strings as 'const' where appropriate, to resolve inconsistent
  section attributes"

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: make of_device_ids const
  ARM: make arrays containing machine compatible strings const
  ARM: mm: Remove Kconfig symbol CACHE_PL310
  ARM: rockchip: force built-in regulator support for PM
  ARM: mvebu: build armada375-smp code conditionally
  ARM: sti: always enable RESET_CONTROLLER
  ARM: rockchip: make rockchip_suspend_init conditional
  ARM: ixp4xx: fix {in,out}s{bwl} data types
  ARM: prima2: do not select SMP_ON_UP
  ARM: at91: fix pm declarations
  ARM: davinci: multi-soc kernels require AUTO_ZRELADDR
  ARM: davinci: davinci_cfg_reg cannot be init
  ARM: BCM: put back ARCH_MULTI_V7 dependency for mobile
  ARM: vexpress: use ARM_CPU_SUSPEND if needed
  ARM: dts: add I2C device nodes for Broadcom Cygnus
  ARM: dts: BCM63xx: fix L2 cache properties
2015-02-21 19:21:54 -08:00
Linus Torvalds
18a8d49973 The clock framework changes for 3.20 contain the usual driver additions,
enhancements and fixes mostly for ARM32, ARM64, MIPS and Power-based
 devices. Additionaly the framework core underwent a bit of surgery with
 two major changes. The boundary between the clock core and clock
 providers (e.g clock drivers) is now more well defined with dedicated
 provider helper functions. struct clk no longer maps 1:1 with the
 hardware clock but is a true per-user cookie which helps us tracker
 users of hardware clocks and debug bad behavior. The second major change
 is the addition of rate constraints for clocks. Rate ranges are now
 supported which are analogous to the voltage ranges in the regulator
 framework. Unfortunately these changes to the core created some
 breakeage. We think we fixed it all up but for this reason there are
 lots of last minute commits trying to undo the damage.
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Merge tag 'clk-for-linus-3.20' of git://git.linaro.org/people/mike.turquette/linux

Pull clock framework updates from Mike Turquette:
 "The clock framework changes contain the usual driver additions,
  enhancements and fixes mostly for ARM32, ARM64, MIPS and Power-based
  devices.

  Additionally the framework core underwent a bit of surgery with two
  major changes:

   - The boundary between the clock core and clock providers (e.g clock
     drivers) is now more well defined with dedicated provider helper
     functions.  struct clk no longer maps 1:1 with the hardware clock
     but is a true per-user cookie which helps us tracker users of
     hardware clocks and debug bad behavior.

   - The addition of rate constraints for clocks.  Rate ranges are now
     supported which are analogous to the voltage ranges in the
     regulator framework.

  Unfortunately these changes to the core created some breakeage.  We
  think we fixed it all up but for this reason there are lots of last
  minute commits trying to undo the damage"

* tag 'clk-for-linus-3.20' of git://git.linaro.org/people/mike.turquette/linux: (113 commits)
  clk: Only recalculate the rate if needed
  Revert "clk: mxs: Fix invalid 32-bit access to frac registers"
  clk: qoriq: Add support for the platform PLL
  powerpc/corenet: Enable CLK_QORIQ
  clk: Replace explicit clk assignment with __clk_hw_set_clk
  clk: Add __clk_hw_set_clk helper function
  clk: Don't dereference parent clock if is NULL
  MIPS: Alchemy: Remove bogus args from alchemy_clk_fgcs_detr
  clkdev: Always allocate a struct clk and call __clk_get() w/ CCF
  clk: shmobile: div6: Avoid division by zero in .round_rate()
  clk: mxs: Fix invalid 32-bit access to frac registers
  clk: omap: compile legacy omap3 clocks conditionally
  clkdev: Export clk_register_clkdev
  clk: Add rate constraints to clocks
  clk: remove clk-private.h
  pci: xgene: do not use clk-private.h
  arm: omap2+ remove dead clock code
  clk: Make clk API return per-user struct clk instances
  clk: tegra: Define PLLD_DSI and remove dsia(b)_mux
  clk: tegra: Add support for the Tegra132 CAR IP block
  ...
2015-02-21 12:30:30 -08:00
Uwe Kleine-König
444d2d33d8 ARM: make of_device_ids const
of_device_ids (i.e. compatible strings and the respective data) are not
supposed to change at runtime. All functions working with of_device_ids
provided by <linux/of.h> work with const of_device_ids. So mark the
non-const structs in arch/arm as const, too.

While at it also add some __initconst annotations.

Acked-by: Jason Cooper <jason@lakedameon.net>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2015-02-19 09:44:25 +01:00
Linus Torvalds
878ba61aa9 ARM: SoC platform changes
New and updated SoC support. Also included are some cleanups where the
 platform maintainers hadn't separated cleanups from new developent in
 separate branches.
 
 Some of the larger things worth pointing out:
 
 - A large set of changes from Alexandre Belloni and Nicolas Ferre
   preparing at91 platforms for multiplatform and cleaning up quite a
   bit in the process.
 - Removal of CSR's "Marco" SoC platform that never made it out to the
   market. We love seeing these since it means the vendor published
   support before product was out, which is exactly what we want!
 
 New platforms this release are:
 
 - Conexant Digicolor (CX92755 SoC)
 - Hisilicon HiP01 SoC
 - CSR/sirf Atlas7 SoC
 - ST STiH418 SoC
 - Common code changes for Nvidia Tegra132 (64-bit SoC)
 
 We're seeing more and more platforms having a harder time labelling
 changes as cleanups vs new development -- which is a good sign that
 we've come quite far on the cleanup effort. So over time we might start
 combining the cleanup and new-development branches more.
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Merge tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform changes from Olof Johansson:
 "New and updated SoC support.  Also included are some cleanups where
  the platform maintainers hadn't separated cleanups from new developent
  in separate branches.

  Some of the larger things worth pointing out:

   - A large set of changes from Alexandre Belloni and Nicolas Ferre
     preparing at91 platforms for multiplatform and cleaning up quite a
     bit in the process.

   - Removal of CSR's "Marco" SoC platform that never made it out to the
     market.  We love seeing these since it means the vendor published
     support before product was out, which is exactly what we want!

  New platforms this release are:

   - Conexant Digicolor (CX92755 SoC)
   - Hisilicon HiP01 SoC
   - CSR/sirf Atlas7 SoC
   - ST STiH418 SoC
   - Common code changes for Nvidia Tegra132 (64-bit SoC)

  We're seeing more and more platforms having a harder time labelling
  changes as cleanups vs new development -- which is a good sign that
  we've come quite far on the cleanup effort.  So over time we might
  start combining the cleanup and new-development branches more"

* tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (124 commits)
  ARM: at91/trivial: unify functions and machine names
  ARM: at91: remove at91_dt_initialize and machine init_early()
  ARM: at91: change board files into SoC files
  ARM: at91: remove at91_boot_soc
  ARM: at91: move alternative initial mapping to board-dt-sama5.c
  ARM: at91: merge all SOC_AT91SAM9xxx
  ARM: at91: at91rm9200: set idle and restart from rm9200_dt_device_init()
  ARM: digicolor: select syscon and timer
  ARM: zynq: Simplify SLCR initialization
  ARM: zynq: PM: Fixed simple typo.
  ARM: zynq: Setup default gpio number for Xilinx Zynq
  ARM: digicolor: add low level debug support
  ARM: initial support for Conexant Digicolor CX92755 SoC
  ARM: OMAP2+: Add dm816x hwmod support
  ARM: OMAP2+: Add clock domain support for dm816x
  ARM: OMAP2+: Add board-generic.c entry for ti81xx
  ARM: at91: pm: remove warning to remove SOC_AT91SAM9263 usage
  ARM: at91: remove unused mach/system_rev.h
  ARM: at91: stop using HAVE_AT91_DBGUx
  ARM: at91: fix ordering of SRAM and PM initialization
  ...
2015-02-17 09:27:54 -08:00
Linus Torvalds
ea7531ac4a ARM: SoC cleanups
This is a good healthy set of various code removals. Total net delta is 8100
 lines removed.
 
 Among the larger cleanups are:
 
 - Removal of old Samsung S3C DMA infrastructure by Arnd
 - Removal of the non-DT version of the 'lager' board by Magnus Damm
 - General stale code removal on OMAP and Davinci by Rickard Strandqvist
 - Removal of non-DT support on am3517 platforms by Tony Lindgren
 
 ... plus several other cleanups of various platforms across the board.
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Merge tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC cleanups from Olof Johansson:
 "This is a good healthy set of various code removals.  Total net delta
  is 8100 lines removed.

  Among the larger cleanups are:

   - Removal of old Samsung S3C DMA infrastructure by Arnd
   - Removal of the non-DT version of the 'lager' board by Magnus Damm
   - General stale code removal on OMAP and Davinci by Rickard Strandqvist
   - Removal of non-DT support on am3517 platforms by Tony Lindgren

  ... plus several other cleanups of various platforms across the board"

* tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (47 commits)
  ARM: sirf: drop redundant function and marco declaration
  arm: omap: specify PMUs are for ARMv7 CPUs
  arm: shmobile: specify PMUs are for ARMv7 CPUs
  arm: iop: specify PMUs are for XScale CPUs
  arm: pxa: specify PMUs are for XScale CPUs
  arm: realview: specify PMU types
  ARM: SAMSUNG: remove unused DMA infrastructure
  ARM: OMAP3: Add back Kconfig option MACH_OMAP3517EVM for ASoC
  ARM: davinci: Remove CDCE949 driver
  ARM: at91: remove useless at91rm9200_set_type()
  ARM: at91: remove useless at91rm9200_dt_initialize()
  ARM: at91: move debug-macro.S into the common space
  ARM: at91: remove useless at91_sysirq_mask_rtx
  ARM: at91: remove useless config MACH_AT91SAM9_DT
  ARM: at91: remove useless config MACH_AT91RM9200_DT
  ARM: at91: remove unused mach/memory.h
  ARM: at91: remove useless header file includes
  ARM: at91: remove unneeded header file
  rtc: at91/Kconfig: remove useless options
  ARM: at91/Documentation: add a README for Atmel SoCs
  ...
2015-02-17 09:17:33 -08:00
Linus Torvalds
4025fa97ff ARM: SoC non-critical fixes
Here's a small collection of fixes accrued during the last release that weren't
 considered severe enough to merge during the -rc series.
 
 A few of these are around resurrecting TI81xx support that's been broken for
 quite a while, the rest are smaller fixes -- most for PXA but a few across
 the board.
 
 There are also some updates to MAINTAINERS here, in particular for Broadcom
 platforms.
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Merge tag 'fixes-non-critical-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC non-critical fixes from Olof Johansson:
 "Here's a small collection of fixes accrued during the last release
  that weren't considered severe enough to merge during the -rc series.

  A few of these are around resurrecting TI81xx support that's been
  broken for quite a while, the rest are smaller fixes -- most for PXA
  but a few across the board.

  There are also some updates to MAINTAINERS here, in particular for
  Broadcom platforms"

* tag 'fixes-non-critical-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (23 commits)
  MAINTAINERS: fix git repositories for Broadcom SoCs
  ARM: pxa: fix broken isa interrupts for zeus and viper
  ARM: DRA7: hwmod: Fix boot crash with DEBUG_LL enabled on UART3
  ARM: OMAP: DRA7: hwmod: Make gpmc software supervised as the smart idle is broken
  ARM: AM43xx: hwmod: set DSS submodule parent hwmods
  ARM: OMAP2+: hwmod: print error if wait_target_ready() failed
  MAINTAINERS: add maintainer for OMAP hwmod data
  ARM: OMAP2+: Disable omap3 PM init for ti81xx
  ARM: OMAP2+: Fix reboot for 81xx
  ARM: OMAP2+: Fix dm814 and dm816 for clocks and timer init
  ARM: OMAP2+: Fix ti81xx class type
  ARM: OMAP2+: Fix ti81xx devtype
  ARM: OMAP2+: Fix error handling for omap2_clk_enable_init_clocks
  MAINTAINERS: add a git entry for BMIPS-based BCM7xxx SoCs
  MAINTAINERS: add a git entry for BCM7xxx ARM-based SoCs
  MAINTAINERS: update Broadcom Cygnus SoC git tree
  MAINTAINERS: move BCM63xx ARM-based SoCs git tree
  hx4700: regulator: declare full constraints
  ARM: pxa: add regulator_has_full_constraints to spitz board file
  ARM: pxa: add regulator_has_full_constraints to poodle board file
  ...
2015-02-17 09:15:46 -08:00
Linus Torvalds
42cf0f203e Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm
Pull ARM updates from Russell King:

 - clang assembly fixes from Ard

 - optimisations and cleanups for Aurora L2 cache support

 - efficient L2 cache support for secure monitor API on Exynos SoCs

 - debug menu cleanup from Daniel Thompson to allow better behaviour for
   multiplatform kernels

 - StrongARM SA11x0 conversion to irq domains, and pxa_timer

 - kprobes updates for older ARM CPUs

 - move probes support out of arch/arm/kernel to arch/arm/probes

 - add inline asm support for the rbit (reverse bits) instruction

 - provide an ARM mode secondary CPU entry point (for Qualcomm CPUs)

 - remove the unused ARMv3 user access code

 - add driver_override support to AMBA Primecell bus

* 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: (55 commits)
  ARM: 8256/1: driver coamba: add device binding path 'driver_override'
  ARM: 8301/1: qcom: Use secondary_startup_arm()
  ARM: 8302/1: Add a secondary_startup that assumes ARM mode
  ARM: 8300/1: teach __asmeq that r11 == fp and r12 == ip
  ARM: kprobes: Fix compilation error caused by superfluous '*'
  ARM: 8297/1: cache-l2x0: optimize aurora range operations
  ARM: 8296/1: cache-l2x0: clean up aurora cache handling
  ARM: 8284/1: sa1100: clear RCSR_SMR on resume
  ARM: 8283/1: sa1100: collie: clear PWER register on machine init
  ARM: 8282/1: sa1100: use handle_domain_irq
  ARM: 8281/1: sa1100: move GPIO-related IRQ code to gpio driver
  ARM: 8280/1: sa1100: switch to irq_domain_add_simple()
  ARM: 8279/1: sa1100: merge both GPIO irqdomains
  ARM: 8278/1: sa1100: split irq handling for low GPIOs
  ARM: 8291/1: replace magic number with PAGE_SHIFT macro in fixup_pv code
  ARM: 8290/1: decompressor: fix a wrong comment
  ARM: 8286/1: mm: Fix dma_contiguous_reserve comment
  ARM: 8248/1: pm: remove outdated comment
  ARM: 8274/1: Fix DEBUG_LL for multi-platform kernels (without PL01X)
  ARM: 8273/1: Seperate DEBUG_UART_PHYS from DEBUG_LL on EP93XX
  ...
2015-02-12 08:51:56 -08:00
Linus Torvalds
aa7ed01f93 MMC core:
- Support for MMC power sequences.
 - SDIO function devicetree subnode parsing.
 - Refactor the hardware reset routines and enable it for SD cards.
 - Various code quality improvements, especially for slot-gpio.
 
 MMC host:
 - dw_mmc: Various fixes and cleanups.
 - dw_mmc: Convert to mmc_send_tuning().
 - moxart: Fix probe logic.
 - sdhci: Various fixes and cleanups
 - sdhci: Asynchronous request handling support.
 - sdhci-pxav3: Various fixes and cleanups.
 - sdhci-tegra: Fixes for T114, T124 and T132.
 - rtsx: Various fixes and cleanups.
 - rtsx: Support for SDIO.
 - sdhi/tmio: Refactor and cleanup of header files.
 - omap_hsmmc: Use slot-gpio and common MMC DT parser.
 - Make all hosts to deal with errors from mmc_of_parse().
 - sunxi: Various fixes and cleanups.
 - sdhci: Support for Fujitsu SDHCI controller f_sdh30.
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Merge tag 'mmc-v3.20-1' of git://git.linaro.org/people/ulf.hansson/mmc

Pull MMC updates from Ulf Hansson:
 "MMC core:
   - Support for MMC power sequences.
   - SDIO function devicetree subnode parsing.
   - Refactor the hardware reset routines and enable it for SD cards.
   - Various code quality improvements, especially for slot-gpio.

  MMC host:
   - dw_mmc: Various fixes and cleanups.
   - dw_mmc: Convert to mmc_send_tuning().
   - moxart: Fix probe logic.
   - sdhci: Various fixes and cleanups
   - sdhci: Asynchronous request handling support.
   - sdhci-pxav3: Various fixes and cleanups.
   - sdhci-tegra: Fixes for T114, T124 and T132.
   - rtsx: Various fixes and cleanups.
   - rtsx: Support for SDIO.
   - sdhi/tmio: Refactor and cleanup of header files.
   - omap_hsmmc: Use slot-gpio and common MMC DT parser.
   - Make all hosts to deal with errors from mmc_of_parse().
   - sunxi: Various fixes and cleanups.
   - sdhci: Support for Fujitsu SDHCI controller f_sdh30"

* tag 'mmc-v3.20-1' of git://git.linaro.org/people/ulf.hansson/mmc: (117 commits)
  mmc: sdhci-s3c: solve problem with sleeping in atomic context
  mmc: pwrseq: add driver for emmc hardware reset
  mmc: moxart: fix probe logic
  mmc: core: Invoke mmc_pwrseq_post_power_on() prior MMC_POWER_ON state
  mmc: pwrseq_simple: Add optional reference clock support
  mmc: pwrseq: Document optional clock for the simple power sequence
  mmc: pwrseq_simple: Extend to support more pins
  mmc: pwrseq: Document that simple sequence support more than one GPIO
  mmc: Add hardware dependencies for sdhci-pxav3 and sdhci-pxav2
  mmc: sdhci-pxav3: Modify clock settings for the SDR50 and DDR50 modes
  mmc: sdhci-pxav3: Extend binding with SDIO3 conf reg for the Armada 38x
  mmc: sdhci-pxav3: Fix Armada 38x controller's caps according to erratum ERR-7878951
  mmc: sdhci-pxav3: Fix SDR50 and DDR50 capabilities for the Armada 38x flavor
  mmc: sdhci: switch voltage before sdhci_set_ios in runtime resume
  mmc: tegra: Write xfer_mode, CMD regs in together
  mmc: Resolve BKOPS compatability issue
  mmc: sdhci-pxav3: fix setting of pdata->clk_delay_cycles
  mmc: dw_mmc: rockchip: remove incorrect __exit_p()
  mmc: dw_mmc: exynos: remove incorrect __exit_p()
  mmc: Fix menuconfig alignment of MMC_SDHCI_* options
  ...
2015-02-11 10:56:48 -08:00
Mark Rutland
279806bfca arm: omap: specify PMUs are for ARMv7 CPUs
Now that we can specify which PMU variant we're likely to deal with, do
so in the omap board code. This will allow us to split the ARMv6, ARMv7,
and XScale PMU drivers.

The unnecessary include of asm/pmu.h is also removed.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Olof Johansson <olof@lixom.net>
Signed-off-by: Olof Johansson <olof@lixom.net>
2015-02-06 00:13:06 -08:00
Michael Turquette
54eea32f7e Merge branch 'clk-next' into v3.19-rc7 2015-02-02 14:59:38 -08:00
Tomeu Vizoso
1c8e600440 clk: Add rate constraints to clocks
Adds a way for clock consumers to set maximum and minimum rates. This
can be used for thermal drivers to set minimum rates, or by misc.
drivers to set maximum rates to assure a minimum performance level.

Changes the signature of the determine_rate callback by adding the
parameters min_rate and max_rate.

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
[sboyd@codeaurora.org: set req_rate in __clk_init]
Signed-off-by: Michael Turquette <mturquette@linaro.org>
[mturquette@linaro.org: min/max rate for sun6i_ahb1_clk_determine_rate
                        migrated clk-private.h changes to clk.c]
2015-02-02 14:23:42 -08:00
Michael Turquette
42ed83f516 arm: omap2+ remove dead clock code
Remove omap_clocks_register and dummy_ck. The former is not used anymore
now that the statically defined clk stuctures are replaced with proper
descriptors and registered with the framework.

The dummy clock in arch/arm/mach-omap2 is made redundant by the OMAP3+
clock data that migrated to drivers/clk.

An additional benefit to this clean-up is removing the references to
clk-private.h which will be removed.

Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tero Kristo <t-kristo@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
2015-02-02 14:23:39 -08:00
Michael Turquette
fe76756052 Merge branch 'clk-omap-legacy' into clk-next
Conflicts:
	arch/arm/mach-omap2/cclock3xxx_data.c
2015-02-02 14:23:33 -08:00
Tomeu Vizoso
035a61c314 clk: Make clk API return per-user struct clk instances
Moves clock state to struct clk_core, but takes care to change as little API as
possible.

struct clk_hw still has a pointer to a struct clk, which is the
implementation's per-user clk instance, for backwards compatibility.

The struct clk that clk_get_parent() returns isn't owned by the caller, but by
the clock implementation, so the former shouldn't call clk_put() on it.

Because some boards in mach-omap2 still register clocks statically, their clock
registration had to be updated to take into account that the clock information
is stored in struct clk_core now.

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Tested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
[mturquette@linaro.org: adapted clk_has_parent to struct clk_core
                        applied OMAP3+ DPLL fix from Tero & Tony]
2015-02-02 14:22:19 -08:00
Tero Kristo
d6540b1937 ARM: OMAP3: remove legacy clock data
This is no longer used for anything, thus it can be removed.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
2015-01-30 10:55:32 -08:00
Tero Kristo
eded36fe29 ARM: OMAP3: use clock data from TI clock driver for legacy boot
As the clock data is now available for the legacy boot also from the
clock driver, use this rather than the data under the mach folder.
This allows us to get rid of the old clock data completely.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
2015-01-30 10:55:28 -08:00
Tero Kristo
3dbb048b7c ARM: OMAP3: PRM: add support for legacy iomapping init
As the legacy clock data is being moved under clock driver, the
clock data will be using the same low level infrastructure for
register accesses. This requires the clk_memmaps to be initialized
properly. This patch adds a support hook to the PRM driver to
initialize the mappings.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
2015-01-30 10:55:23 -08:00
Tony Lindgren
4d38bd1237 ARM: OMAP2+: Add dm816x hwmod support
Add minimal hwmod support that works at least on dm8168. This
is based on the code in the earlier TI CDP tree, and an earlier
patch by Aida Mynzhasova <aida.mynzhasova@skitlab.ru>.

I've set up things to work pretty much the same way as for
am33xx. We are basically using cm33xx.c with a different set
of clocks and clockdomains.

This code is based on the TI81XX-LINUX-PSP-04.04.00.02 patches
published at:

http://downloads.ti.com/dsps/dsps_public_sw/psp/LinuxPSP/TI81XX_04_04/04_04_00_02/index_FDS.html

Cc: Aida Mynzhasova <aida.mynzhasova@skitlab.ru>
Cc: Brian Hutchinson <b.hutchman@gmail.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-26 09:26:32 -08:00
Aida Mynzhasova
a64459c42d ARM: OMAP2+: Add clock domain support for dm816x
This patch adds required definitions and structures for clockdomain
initialization, so omap3xxx_clockdomains_init() was substituted by
new ti81xx_clockdomains_init() while early initialization of
TI81XX platform.

Note that we now need to have 81xx in a separate CONFIG_SOC_TI81XX
block instead inside the ifdef block for omap3 to avoid make
randconfig build errors.

This code is based on the TI81XX-LINUX-PSP-04.04.00.02 patches
published at:

http://downloads.ti.com/dsps/dsps_public_sw/psp/LinuxPSP/TI81XX_04_04/04_04_00_02/index_FDS.html

Cc: Brian Hutchinson <b.hutchman@gmail.com>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Aida Mynzhasova <aida.mynzhasova@skitlab.ru>
[tony@atomide.com: updated to apply, renamed to clockdomains81xx.c,
 fixed to use am33xx_clkdm_operations, various fixes suggested by
 Paul Walmsley]
Reviewed-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-26 09:26:32 -08:00
Tony Lindgren
abf8cc1d5b ARM: OMAP2+: Add board-generic.c entry for ti81xx
This allows booting ti81xx boards when a .dts file
is in place.

Cc: Brian Hutchinson <b.hutchman@gmail.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-26 09:26:31 -08:00
Olof Johansson
03773a4c17 We have had omap3517 booting in device tree mode for quite some
time now and we have at least a minimal dts file for the 3517
 based boards. Also almost all the drivers are usable in device
 tree mode. And if there are any drivers not yet supported in device
 tree mode, those can be enabled using pdata quirks.
 
 This leaves omap3430 to omap3730 as the only remaining mach-omap2
 platforms still booting in legacy mode also. For those were are
 printing a warning during the boot to get people to update their
 systems to boot in device tree mode and slowly converting them
 over to device tree based booting.
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Merge tag 'omap-for-v3.20/drop-legacy-3517-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/cleanup

Merge "drop legacy booting for omap3517" from Tony Lindgren:

We have had omap3517 booting in device tree mode for quite some
time now and we have at least a minimal dts file for the 3517
based boards. Also almost all the drivers are usable in device
tree mode. And if there are any drivers not yet supported in device
tree mode, those can be enabled using pdata quirks.

This leaves omap3430 to omap3730 as the only remaining mach-omap2
platforms still booting in legacy mode also. For those were are
printing a warning during the boot to get people to update their
systems to boot in device tree mode and slowly converting them
over to device tree based booting.

* tag 'omap-for-v3.20/drop-legacy-3517-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP3: Add back Kconfig option MACH_OMAP3517EVM for ASoC
  ARM: OMAP3: Remove legacy support for am35xx-emac
  ARM: OMAP3: Remove cm-t3517 legacy support
  ARM: OMAP3: Remove legacy support for am3517crane
  ARM: OMAP3: Remove legacy support for am3517-evm

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-01-23 13:46:06 -08:00
Tony Lindgren
20d9448a59 ARM: OMAP2+: hwmod: first set of patches for v3.20
First set of OMAP2+ hwmod patches for Linux v3.20.  These are mostly
 fixes for warnings, although there's one DRA7xx patch that fixes
 CONFIG_DEBUG_LL for AM572x/DRA7xx SoCs that use UART3 for console,
 such as the BeagleBoard-X15.
 
 These patches entered Linux-next starting with the next-20150121 tag.
 
 Basic build, boot, and PM test results can be found here:
 
 http://www.pwsan.com/omap/testlogs/omap-hwmod-a-for-v3.20/20150121142621/
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Merge tag 'for-v3.20/omap-hwmod-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v3.20/fixes-not-urgent

ARM: OMAP2+: hwmod: first set of patches for v3.20

First set of OMAP2+ hwmod patches for Linux v3.20.  These are mostly
fixes for warnings, although there's one DRA7xx patch that fixes
CONFIG_DEBUG_LL for AM572x/DRA7xx SoCs that use UART3 for console,
such as the BeagleBoard-X15.

These patches entered Linux-next starting with the next-20150121 tag.

Basic build, boot, and PM test results can be found here:

http://www.pwsan.com/omap/testlogs/omap-hwmod-a-for-v3.20/20150121142621/
2015-01-21 16:52:17 -08:00
Lokesh Vutla
1c7e36bfc3 ARM: DRA7: hwmod: Fix boot crash with DEBUG_LL enabled on UART3
With commit '7dedd34: ARM: OMAP2+: hwmod: Fix a crash in _setup_reset()
with DEBUG_LL' we moved from parsing cmdline to identify uart used
for earlycon to using the requsite hwmod CONFIG_DEBUG_OMAPxUARTy FLAGS.

On DRA7 UART3 hwmod doesn't have this flag enabled, and atleast on
BeagleBoard-X15, where we use UART3 for console, boot fails with
DEBUG_LL enabled. Enable DEBUG_OMAP4UART3_FLAGS for UART3 hwmod.

For using DEBUG_LL, enable CONFIG_DEBUG_OMAP4UART3 in menuconfig.

Fixes: 90020c7b2c ("ARM: OMAP: DRA7: hwmod: Create initial DRA7XX SoC data")
Cc: <stable@vger.kernel.org> # v3.12+
Reviewed-by: Felipe Balbi <balbi@ti.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2015-01-20 18:12:17 -07:00
Keerthy
556708fe87 ARM: OMAP: DRA7: hwmod: Make gpmc software supervised as the smart idle is broken
This patch fixes: 'omap_hwmod: gpmc: _wait_target_disable failed'
error during suspend.

This is because smart idle is broken.
Tested in dra7-evm D1 board.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2015-01-20 18:12:17 -07:00
Tomi Valkeinen
ccfb24e349 ARM: AM43xx: hwmod: set DSS submodule parent hwmods
Set DSS core hwmod as the parent for all the DSS submodules. This fixes
the boot time DSS reset, removing the following warnings:

omap_hwmod: dss_dispc: cannot be enabled for reset (3)
omap_hwmod: dss_rfbi: cannot be enabled for reset (3)

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2015-01-20 18:12:17 -07:00
Lokesh Vutla
812ce9d282 ARM: OMAP2+: hwmod: print error if wait_target_ready() failed
Fixed pr_debug to pr_err when hwmod returns an error when enabling
a module.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Acked-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2015-01-20 18:12:16 -07:00
Tony Lindgren
549f95ed20 ARM: OMAP3: Add back Kconfig option MACH_OMAP3517EVM for ASoC
We still have SND_OMAP_SOC_AM3517EVM depending on MACH_OMAP3517EVM,
so let's keep MACH_OMAP3517EVM Kconfig option around for a little
bit longer.

This removes the dependency between ARM SoC changes and the ASoC
changes, and allows the following three options for the driver:

1. Update the driver for device tree based booting

2. Initialize the driver with legacy platform data, then update
   the driver for device tree based booting

3. Just remove the driver if there are no audio users for
   3517-evm board

Reported-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-20 08:49:08 -08:00
Doug Anderson
a48fd4e77a ARM: OMAP2+: Make sure pandora_wl1251_init_card() applies to SDIO only
In preparation for having init_card() called for all card types (not
just SDIO), change pandora_wl1251_init_card() so it checks whether the
card type is SDIO.

Signed-off-by: Doug Anderson <dianders@chromium.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2015-01-19 09:56:04 +01:00
Marc Zyngier
0fb22a8fb7 ARM: OMAP: Work around hardcoded interrupts
Commit 9a1091ef00 ("irqchip: gic: Support hierarchy irq domain")
changed the GIC driver to use a non-legacy IRQ domain on DT
platforms. This patch assumes that DT-driven systems are getting
all of their interrupts from device tree.

Turns out that OMAP has quite a few hidden gems, and still uses
hardcoded interrupts despite having fairly complete DTs.

This patch attempts to work around these by offering a translation
method that can be called directly from the hwmod code, if present.
The same hack is sprinkled over PRCM and TWL.

It isn't pretty, but it seems to do the job without having to add
more hacks to the interrupt controller code.

Tested on OMAP4 (Panda-ES) and OMAP5 (UEVM5432).

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Nishanth Menon <nm@ti.com>
[tony@atomide.com: updated to fix make randconfig issue]
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-17 08:56:12 -08:00
Marek Szyprowski
944e9df1d4 ARM: 8257/1: OMAP2+: use common l2cache initialization code
This patch implements generic DT L2C initialisation (the one from
init_IRQ in arch/arm/kernel/irq.c) for Omap4 and AM43 platforms and
kills the SoC specific stuff in arch/arm/mach-omap2/omap4-common.c.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Nishanth Menon <nm@ti.com>
Acked-by: Nishanth Menon <nm@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-01-16 14:35:24 +00:00
Tony Lindgren
13efcb1889 ARM: OMAP2+: Disable omap3 PM init for ti81xx
We cannot use the omap3 pm support on 81xx.

Cc: Brian Hutchinson <b.hutchman@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-14 17:37:16 -08:00
Tony Lindgren
bc7235c97f ARM: OMAP2+: Fix reboot for 81xx
We are missing proper hooks for 81xx for reboot to work.

Cc: Brian Hutchinson <b.hutchman@gmail.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-14 17:37:16 -08:00
Tony Lindgren
132754e483 ARM: OMAP2+: Fix dm814 and dm816 for clocks and timer init
Fix dm814 and dm816 clocks and timer init.

Cc: Brian Hutchinson <b.hutchman@gmail.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-14 17:37:16 -08:00
Tony Lindgren
c27964b5d2 ARM: OMAP2+: Fix ti81xx class type
Otherwise it will return true for cpu_is_omap34xx() which we don't
want for the clocks and hwmod. It's closer to am33xx for the clocks
and hwmod than to the omap34xx. We also want to be able to detect
814x and 816x separately as at least the clocks are different with
814x using a apll and 816x using a fapll for the source clocks.

Note that we can also remove omap3xxx_clk_init() call as it's wrong
and ti81xx are booting in device tree only mode.

Cc: Brian Hutchinson <b.hutchman@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-14 17:37:16 -08:00
Tony Lindgren
e226ebe95e ARM: OMAP2+: Fix ti81xx devtype
Otherwise we get error "Cannot detect omap type!" and many
things can fail with following:

Unhandled fault: imprecise external abort (0xc06) at 0xc6031fb0

This is because the omap_type is being used to set up th SoC
specific functions for omaps.

Cc: Brian Hutchinson <b.hutchman@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-14 17:37:15 -08:00
Tony Lindgren
339d095ab2 ARM: OMAP2+: Fix error handling for omap2_clk_enable_init_clocks
We need to check if we got the clock before trying to do anything
with it. Otherwise we will get something like this:

Unable to handle kernel paging request at virtual address fffffffe
...
[<c04bef78>] (clk_prepare) from [<c00338a4>] (omap2_clk_enable_init_clocks+0x50/0x8)
[<c00338a4>] (omap2_clk_enable_init_clocks) from [<c0876838>] (dm816x_dt_clk_init+0)
...

Let's add check for the clock and WARN if the init clock was not
found.

Cc: Brian Hutchinson <b.hutchman@gmail.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tero Kristo <t-kristo@ti.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-14 17:37:15 -08:00
Tony Lindgren
ca662ee7b8 ARM: OMAP2+: Remove unused ti81xx platform init code
The support for 81xx was never working in mainline, and the broken
legacy booting support has been removed. There are patches coming
to make 81xx boot with device tree, and for that we won't need any
of this legacy platform code, so let's just remove it.

Cc: Brian Hutchinson <b.hutchman@gmail.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-14 17:21:00 -08:00
Tony Lindgren
13eeb0f326 ARM: OMAP3: Remove legacy support for am35xx-emac
This is no longer needed now that 3517 is booting in device tree
only mode.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-13 09:00:38 -08:00
Tony Lindgren
5c5f9b42b5 ARM: OMAP3: Remove cm-t3517 legacy support
This board is working with device tree based booting so there should
not be any need to keep the legacy booting support around. People
using this board can boot it with appended DTB with existing bootloader.

By removing the 3517 legacy booting support we can get a bit closer to
making all of omap3 boot in device tree only mode.

Cc: Dmitry Lifshitz <lifshitz@compulab.co.il>
Cc: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-13 08:58:25 -08:00
Tony Lindgren
6b7720f992 ARM: OMAP3: Remove legacy support for am3517crane
This board is working with device tree based booting so there should
not be any need to keep the legacy booting support around. People
using this board can boot it with appended DTB with existing bootloader.

By removing the 3517 legacy booting support we can get a bit closer to
making all of omap3 boot in device tree only mode.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-13 08:58:24 -08:00
Tony Lindgren
4d62dbda85 ARM: OMAP3: Remove legacy support for am3517-evm
This board is working with device tree based booting so there should
not be any need to keep the legacy booting support around. People
using this board can boot it with appended DTB with existing bootloader.

By removing the 3517 legacy booting support we can get a bit closer to
making all of omap3 boot in device tree only mode.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-13 08:15:46 -08:00
Tero Kristo
fc24fc6506 ARM: OMAP3+: PRM: remove prm_get_reset_sources declaration from headers
There is no implementation for this anywhere, so remove it from the header
files also.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
[tony@atomide.com: updated to apply]
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-07 14:27:39 -08:00
Tero Kristo
2740cf7a96 ARM: OMAP2: CM: remove unused PLL functions
omap2xxx_cm_get_pll_config and omap2xxx_cm_get_pll_status are not used
for anything, so remove these.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-07 14:27:39 -08:00
Tero Kristo
56ad669184 ARM: OMAP2: clock: remove unused apll code
APLL clock type is no longer needed as the legacy clock support is removed.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
[tony@atomide.com: updated to apply]
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-07 10:54:40 -08:00
Rickard Strandqvist
cd0007e283 ARM: OMAP2+: omap-pm-noop.c: Remove some unused functions
Removes some functions that are not used anywhere:
omap_pm_set_max_dev_wakeup_lat() omap_pm_if_exit() omap_pm_cpu_get_freq()
omap_pm_cpu_set_freq() omap_pm_cpu_get_freq_table() omap_pm_dsp_get_opp()
omap_pm_dsp_set_min_opp() omap_pm_dsp_get_opp_table()
omap_pm_set_min_clk_rate() omap_pm_set_max_sdma_lat()

This was partially found by using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-07 09:53:51 -08:00
Rickard Strandqvist
b91dc63b2d ARM: OMAP2+: voltage: Remove some unused functions
Removes some functions that are not used anywhere:
omap_change_voltscale_method() voltdm_add_pwrdm()
voltdm_for_each() voltdm_for_each_pwrdm()

And remove define VOLTSCALE_VPFORCEUPDATE and VOLTSCALE_VCBYPASS

This was partially found by using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-07 09:53:51 -08:00
Rickard Strandqvist
10637afb91 ARM: OMAP2+: powerdomain.c: Remove some unused functions
Removes some functions that are not used anywhere:
pwrdm_get_voltdm() pwrdm_for_each_clkdm() pwrdm_del_clkdm()

This was partially found by using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Acked-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-07 09:53:51 -08:00
Rickard Strandqvist
1bbc360bb7 ARM: OMAP2+: omap_hwmod.c: Remove some unused functions
Removes some functions that are not used anywhere:
omap_hwmod_pad_route_irq() omap_hwmod_no_setup_reset()
omap_hwmod_read_hardreset() omap_hwmod_del_initiator_dep()
omap_hwmod_enable_clocks() omap_hwmod_reset() omap_hwmod_ocp_barrier()
omap_hwmod_disable_clocks() omap_hwmod_add_initiator_dep()

This was partially found by using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-07 09:53:51 -08:00
Rickard Strandqvist
cecec93df8 ARM: OMAP2+: dpll44xx.c: Remove unused function
Remove the function omap4_dpllmx_gatectrl_read() that is not used anywhere.

This was partially found by using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-07 09:53:51 -08:00
Rickard Strandqvist
40fd510694 ARM: OMAP2+: cm33xx.c: Remove some unused functions
Removes some functions that are not used anywhere:
am33xx_cm_read_reg_bits() am33xx_cm_clear_reg_bits() am33xx_cm_set_reg_bits()

This was partially found by using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-07 09:53:51 -08:00
Rickard Strandqvist
4b2171876b ARM: OMAP2+: clkt2xxx_apll.c: Remove some unused functions
Removes some functions that are not used anywhere:
omap2_clk_apll54_disable() omap2_clk_apll96_disable()
omap2_clk_apll54_enable() omap2_clk_apll96_enable() omap2xxx_get_apll_clkin()
omap2_clk_apll96_recalc() omap2_clk_apll54_recalc()

This was partially found by using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
[tony@atomide.com: updated to fix a build warning]
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-07 09:02:14 -08:00
Tony Lindgren
71c4f6027d ARM: OMAP2+: Fix n900 board name for legacy user space
N900 legacy user space apps need the board name in
/proc/cpuinfo to work properly for the Hardware entry.

For other boards this should not be an issues and they
can use the generic Hardware entry.

Let's fix the issue by adding a custom DT_MACHINE_START
for n900.

Tested-by: Pali Rohár <pali.rohar@gmail.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-05 15:48:21 -08:00
Lennart Sorensen
999f934de1 ARM: omap5/dra7xx: Enable booting secondary CPU in HYP mode
If the boot loader enables HYP mode on the boot CPU, the secondary CPU
also needs to call into the ROM to switch to HYP mode before booting.
The firmwares on the omap5 and dra7xx unfortunately do not take care
of this, so it has to be handled by the kernel.

This patch is based on "[PATCH 2/2] ARM: OMAP5: Add HYP mode entry support
for secondary CPUs" by Santosh Shilimkar <santosh.shilimkar@ti.com>,
except this version does not require a compile time CONFIG to control
if it should enable HYP mode or not, it simply does it based on the mode
of the boot CPU, so it works whether the CPU boots in SVC or HYP mode,
and should even work as a guest kernel inside kvm if qemu decides to
support emulating the omap5 or dra7xx.

Cc: stable@vger.kernel.org #v3.16+
Signed-off-by: Len Sorensen <lsorense@csclub.uwaterloo.ca>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-05 15:48:21 -08:00
Lennart Sorensen
afc9d590b8 ARM: dra7xx: Fix counter frequency drift for AM572x errata i856
Errata i856 for the AM572x (DRA7xx) points out that the 32.768KHz external
crystal is not enabled at power up.  Instead the CPU falls back to using
an emulation for the 32KHz clock which is SYSCLK1/610.  SYSCLK1 is usually
20MHz on boards so far (which gives an emulated frequency of 32.786KHz),
but can also be 19.2 or 27MHz which result in much larger drift.

Since this is used to drive the master counter at 32.768KHz * 375 /
2 = 6.144MHz, the emulated speed for 20MHz is of by 570ppm, or about 43
seconds per day, and more than the 500ppm NTP is able to tolerate.

Checking the CTRL_CORE_BOOTSTRAP register can determine if the CPU
is using the real 32.768KHz crystal or the emulated SYSCLK1/610, and
by known that the real counter frequency can be determined and used.
The real speed is then SYSCLK1 / 610 * 375 / 2 or SYSCLK1 * 75 / 244.

Signed-off-by: Len Sorensen <lsorense@csclub.uwaterloo.ca>
Tested-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-05 15:48:03 -08:00
Lennart Sorensen
572b24e6d8 ARM: omap5/dra7xx: Fix frequency typos
The switch statement of the possible list of SYSCLK1 frequencies is
missing a 0 in 4 out of the 7 frequencies.

Fixes: fa6d79d276 ("ARM: OMAP: Add initialisation for the real-time counter")
Cc: stable@vger.kernel.org # v3.7+
Signed-off-by: Len Sorensen <lsorense@csclub.uwaterloo.ca>
Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
Acked-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-05 15:48:03 -08:00
Linus Torvalds
bfc7249cc2 Please consider pulling the clk framework changes toward 3.19. It is
much later than usual due to several last minute bugs that had to be
 addressed. As usual the majority of changes are new drivers and
 modifications to existing drivers. The core recieved many fixes along
 with the groundwork for several large changes coming in the future which
 will better parition clock providers from clock consumers.
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Merge tag 'clk-for-linus-3.19' of git://git.linaro.org/people/mike.turquette/linux

Pull clk framework updates from Mike Turquette:
 "This is much later than usual due to several last minute bugs that had
  to be addressed.  As usual the majority of changes are new drivers and
  modifications to existing drivers.  The core recieved many fixes along
  with the groundwork for several large changes coming in the future
  which will better parition clock providers from clock consumers"

* tag 'clk-for-linus-3.19' of git://git.linaro.org/people/mike.turquette/linux: (86 commits)
  clk: samsung: Fix Exynos 5420 pinctrl setup and clock disable failure due to domain being gated
  ARM: OMAP3: clock: fix boot breakage in legacy mode
  ARM: OMAP2+: clock: fix DPLL code to use new determine rate APIs
  clk: Really fix deadlock with mmap_sem
  clk: mmp: fix sparse non static symbol warning
  clk: Change clk_ops->determine_rate to return a clk_hw as the best parent
  clk: change clk_debugfs_add_file to take a struct clk_hw
  clk: Don't expose __clk_get_accuracy
  clk: Don't try to use a struct clk* after it could have been freed
  clk: Remove unused function __clk_get_prepare_count
  clk: samsung: Fix double add of syscore ops after driver rebind
  clk: samsung: exynos4: set parent of sclk_hdmiphy to hdmi
  clk: samsung: exynos4415: Fix build with PM_SLEEP disabled
  clk: samsung: remove unnecessary inclusion of header files from clk.h
  clk: samsung: remove unnecessary CONFIG_OF from clk.c
  clk: samsung: Spelling s/bwtween/between/
  clk: rockchip: Add support for the mmc clock phases using the framework
  clk: rockchip: add bindings for the mmc clocks
  clk: rockchip: rk3288 export i2s0_clkout for use in DT
  clk: rockchip: use clock ID for DMC (memory controller) on rk3288
  ...
2014-12-20 16:42:36 -08:00
Rafael J. Wysocki
464ed18ebd PM: Eliminate CONFIG_PM_RUNTIME
Having switched over all of the users of CONFIG_PM_RUNTIME to use
CONFIG_PM directly, turn the latter into a user-selectable option
and drop the former entirely from the tree.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Kevin Hilman <khilman@linaro.org>
2014-12-19 22:55:06 +01:00
Linus Torvalds
c0f486fde3 More ACPI and power management updates for 3.19-rc1
- Fix a regression in leds-gpio introduced by a recent commit that
    inadvertently changed the name of one of the properties used by
    the driver (Fabio Estevam).
 
  - Fix a regression in the ACPI backlight driver introduced by a
    recent fix that missed one special case that had to be taken
    into account (Aaron Lu).
 
  - Drop the level of some new kernel messages from the ACPI core
    introduced by a recent commit to KERN_DEBUG which they should
    have used from the start and drop some other unuseful KERN_ERR
    messages printed by ACPI (Rafael J Wysocki).
 
  - Revert an incorrect commit modifying the cpupower tool
    (Prarit Bhargava).
 
  - Fix two regressions introduced by recent commits in the OPP
    library and clean up some existing minor issues in that code
    (Viresh Kumar).
 
  - Continue to replace CONFIG_PM_RUNTIME with CONFIG_PM throughout
    the tree (or drop it where that can be done) in order to make
    it possible to eliminate CONFIG_PM_RUNTIME (Rafael J Wysocki,
    Ulf Hansson, Ludovic Desroches).  There will be one more
    "CONFIG_PM_RUNTIME removal" batch after this one, because some
    new uses of it have been introduced during the current merge
    window, but that should be sufficient to finally get rid of it.
 
  - Make the ACPI EC driver more robust against race conditions
    related to GPE handler installation failures (Lv Zheng).
 
  - Prevent the ACPI device PM core code from attempting to
    disable GPEs that it has not enabled which confuses ACPICA
    and makes it report errors unnecessarily (Rafael J Wysocki).
 
  - Add a "force" command line switch to the intel_pstate driver
    to make it possible to override the blacklisting of some
    systems in that driver if needed (Ethan Zhao).
 
  - Improve intel_pstate code documentation and add a MAINTAINERS
    entry for it (Kristen Carlson Accardi).
 
  - Make the ACPI fan driver create cooling device interfaces
    witn names that reflect the IDs of the ACPI device objects
    they are associated with, except for "generic" ACPI fans
    (PNP ID "PNP0C0B").  That's necessary for user space thermal
    management tools to be able to connect the fans with the
    parts of the system they are supposed to be cooling properly.
    From Srinivas Pandruvada.
 
 /
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Merge tag 'pm+acpi-3.19-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more ACPI and power management updates from Rafael Wysocki:
 "These are regression fixes (leds-gpio, ACPI backlight driver,
  operating performance points library, ACPI device enumeration
  messages, cpupower tool), other bug fixes (ACPI EC driver, ACPI device
  PM), some cleanups in the operating performance points (OPP)
  framework, continuation of CONFIG_PM_RUNTIME elimination, a couple of
  minor intel_pstate driver changes, a new MAINTAINERS entry for it and
  an ACPI fan driver change needed for better support of thermal
  management in user space.

  Specifics:

   - Fix a regression in leds-gpio introduced by a recent commit that
     inadvertently changed the name of one of the properties used by the
     driver (Fabio Estevam).

   - Fix a regression in the ACPI backlight driver introduced by a
     recent fix that missed one special case that had to be taken into
     account (Aaron Lu).

   - Drop the level of some new kernel messages from the ACPI core
     introduced by a recent commit to KERN_DEBUG which they should have
     used from the start and drop some other unuseful KERN_ERR messages
     printed by ACPI (Rafael J Wysocki).

   - Revert an incorrect commit modifying the cpupower tool (Prarit
     Bhargava).

   - Fix two regressions introduced by recent commits in the OPP library
     and clean up some existing minor issues in that code (Viresh
     Kumar).

   - Continue to replace CONFIG_PM_RUNTIME with CONFIG_PM throughout the
     tree (or drop it where that can be done) in order to make it
     possible to eliminate CONFIG_PM_RUNTIME (Rafael J Wysocki, Ulf
     Hansson, Ludovic Desroches).

     There will be one more "CONFIG_PM_RUNTIME removal" batch after this
     one, because some new uses of it have been introduced during the
     current merge window, but that should be sufficient to finally get
     rid of it.

   - Make the ACPI EC driver more robust against race conditions related
     to GPE handler installation failures (Lv Zheng).

   - Prevent the ACPI device PM core code from attempting to disable
     GPEs that it has not enabled which confuses ACPICA and makes it
     report errors unnecessarily (Rafael J Wysocki).

   - Add a "force" command line switch to the intel_pstate driver to
     make it possible to override the blacklisting of some systems in
     that driver if needed (Ethan Zhao).

   - Improve intel_pstate code documentation and add a MAINTAINERS entry
     for it (Kristen Carlson Accardi).

   - Make the ACPI fan driver create cooling device interfaces witn
     names that reflect the IDs of the ACPI device objects they are
     associated with, except for "generic" ACPI fans (PNP ID "PNP0C0B").

     That's necessary for user space thermal management tools to be able
     to connect the fans with the parts of the system they are supposed
     to be cooling properly.  From Srinivas Pandruvada"

* tag 'pm+acpi-3.19-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (32 commits)
  MAINTAINERS: add entry for intel_pstate
  ACPI / video: update the skip case for acpi_video_device_in_dod()
  power / PM: Eliminate CONFIG_PM_RUNTIME
  NFC / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  SCSI / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  ACPI / EC: Fix unexpected ec_remove_handlers() invocations
  Revert "tools: cpupower: fix return checks for sysfs_get_idlestate_count()"
  tracing / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  x86 / PM: Replace CONFIG_PM_RUNTIME in io_apic.c
  PM: Remove the SET_PM_RUNTIME_PM_OPS() macro
  mmc: atmel-mci: use SET_RUNTIME_PM_OPS() macro
  PM / Kconfig: Replace PM_RUNTIME with PM in dependencies
  ARM / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  sound / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  phy / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  video / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  tty / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  spi: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  ACPI / PM: Do not disable wakeup GPEs that have not been enabled
  ACPI / utils: Drop error messages from acpi_evaluate_reference()
  ...
2014-12-18 20:28:33 -08:00
Linus Torvalds
94bbdb63d7 ARM: SoC fixes for 3.19-rc1
Here are the first arm-soc bug fixes. Most of these are OMAP related
 fixes for regressions or minor bugs. Aside from that, there are a
 few defconfig changes for various platforms.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Arnd Bergmann:
 "Here are the first arm-soc bug fixes.  Most of these are OMAP related
  fixes for regressions or minor bugs.  Aside from that, there are a few
  defconfig changes for various platforms"

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  iommu/exynos: Fix arm64 allmodconfig build
  ARM: defconfigs: use CONFIG_CPUFREQ_DT
  ARM: omap2plus_defconfig: Enable AHCI_PLATFORM driver
  ARM: dts: am437x-sk-evm.dts: fix LCD timings
  ARM: dts: dra7-evm: Update SMPS7 (VDD_CORE) max voltage to match DM
  ARM: dts: dra7-evm: Fix typo in SMPS6 (VDD_GPU) max voltage
  ARM: OMAP2+: AM43x: Add ID for ES1.2
  ARM: dts: am437x-sk: fix lcd enable pin mux data
  ARM: dts: Fix gpmc regression for omap 2430sdp smc91x
  Revert "ARM: shmobile: multiplatform: add Audo DMAC peri peri support on defconfig"
  ARM: dts: dra7: fix DSS PLL clock mux registers
  ARM: dts: DRA7: wdt: Fix compatible property for watchdog node
  ARM: OMAP2+: clock: remove unused function prototype
2014-12-16 14:17:36 -08:00
Tero Kristo
83ccc46704 ARM: OMAP3: clock: fix boot breakage in legacy mode
The new usage of determine_rate and set_rate_and_parent calls for
OMAP DPLLs assumes the DPLLs must have two parents defined, even
if it is the same clock. Legacy clock data did not fullfill this
requirement and caused a boot crash. Fixed by adding the missing
parent information to the DPLL clocks.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Fixes: 2e1a7b014f ("ARM: OMAP3+: DPLL: use determine_rate() and...")
Cc: Paul Walmsley <paul@pwsan.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Tested-by: Kevin Hilman <khilman@linaro.org>
Reported-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
2014-12-15 17:05:10 -08:00
Tero Kristo
6f8e853d18 ARM: OMAP2+: clock: fix DPLL code to use new determine rate APIs
While the change for determine_rate clock operation was merged,
the OMAP counterpart using these calls was overlooked for some reason,
and caused boot failures on at least OMAP4 platforms. Fixed by updating
the DPLL API calls to use the new parameters.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Fixes: 646cafc6aa ("clk: Change clk_ops->determine_rate")
Cc: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Tested-by: Kevin Hilman <khilman@linaro.org>
Reported-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
2014-12-15 17:05:08 -08:00
Michael Turquette
b1924c2ec1 Merge tag 'for-v3.19/omap-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into tmp
Some OMAP clock/hwmod patches for v3.19.

Most of the patches are clock-related.  The DPLL implementation is
changed to better align to the common clock framework.
There is also a patch that removes a few lines from the hwmod code -
this patch should have no functional effect.

Basic build, boot, and PM test logs for these patches can be found here:

http://www.pwsan.com/omap/testlogs/omap-a-for-v3.19/20141113094101/
2014-12-15 17:05:07 -08:00
Linus Torvalds
6ae840e7cc Char/Misc driver patches for 3.19-rc1
Here's the big char/misc driver update for 3.19-rc1
 
 Lots of little things all over the place in different drivers, and a new
 subsystem, "coresight" has been added.  Full details are in the
 shortlog.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver updates from Greg KH:
 "Here's the big char/misc driver update for 3.19-rc1

  Lots of little things all over the place in different drivers, and a
  new subsystem, "coresight" has been added.  Full details are in the
  shortlog"

* tag 'char-misc-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (73 commits)
  parport: parport_pc, do not remove parent devices early
  spmi: Remove shutdown/suspend/resume kernel-doc
  carma-fpga-program: drop videobuf dependency
  carma-fpga: drop videobuf dependency
  carma-fpga-program.c: fix compile errors
  i8k: Fix temperature bug handling in i8k_get_temp()
  cxl: Name interrupts in /proc/interrupt
  CXL: Return error to PSL if IRQ demultiplexing fails & print clearer warning
  coresight-replicator: remove .owner field for driver
  coresight: fixed comments in coresight.h
  coresight: fix typo in comment in coresight-priv.h
  coresight: bindings for coresight drivers
  coresight: Adding ABI documentation
  w1: support auto-load of w1_bq27000 module.
  w1: avoid potential u16 overflow
  cn: verify msg->len before making callback
  mei: export fw status registers through sysfs
  mei: read and print all six FW status registers
  mei: txe: add cherrytrail device id
  mei: kill cached host and me csr values
  ...
2014-12-14 16:43:47 -08:00
Linus Torvalds
e7cf773d43 USB patches for 3.19-rc1
Here's the big set of USB and PHY patches for 3.19-rc1.
 
 The normal churn in the USB gadget area is in here, as well as xhci and
 other individual USB driver updates.  The PHY tree is also in here, as
 there were dependancies on the USB tree.
 
 All of these have been in linux-next.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB updates from Greg KH:
 "Here's the big set of USB and PHY patches for 3.19-rc1.

  The normal churn in the USB gadget area is in here, as well as xhci
  and other individual USB driver updates.  The PHY tree is also in
  here, as there were dependancies on the USB tree.

  All of these have been in linux-next"

* tag 'usb-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (351 commits)
  arm: omap3: twl: remove usb phy init data
  usbip: fix error handling in stub_probe()
  usb: gadget: udc: missing curly braces
  USB: mos7720: delete some unneeded code
  wusb: replace memset by memzero_explicit
  usbip: remove unneeded structure
  usb: xhci: fix comment for PORT_DEV_REMOVE
  xhci: don't use the same variable for stopped and halted rings current TD
  xhci: clear extra bits from slot context when setting max exit latency
  xhci: cleanup finish_td function
  USB: adutux: NULL dereferences on disconnect
  usb: chipidea: fix platform_no_drv_owner.cocci warnings
  usb: chipidea: Fixed a few typos in comments
  Documentation: bindings: add doc for the USB2 ChipIdea USB driver
  usb: chipidea: add a usb2 driver for ci13xxx
  usb: chipidea: fix phy handling
  usb: chipidea: remove duplicate dev_set_drvdata for host_start
  usb: chipidea: parameter 'mode' isn't needed for hw_device_reset
  usb: chipidea: add controller reset API
  usb: chipidea: remove flag CI_HDRC_REQUIRE_TRANSCEIVER
  ...
2014-12-14 14:57:16 -08:00
Rafael J. Wysocki
bf7c5449e6 ARM / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
After commit b2b49ccbdd (PM: Kconfig: Set PM_RUNTIME if PM_SLEEP is
selected) PM_RUNTIME is always set if PM is set, so #ifdef blocks
depending on CONFIG_PM_RUNTIME may now be changed to depend on
CONFIG_PM.

Replace CONFIG_PM_RUNTIME with CONFIG_PM everywhere in the code under
arch/arm/ (the defconfig files will be modified later).

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Nishanth Menon <nm@ti.com>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
2014-12-13 00:42:49 +01:00
Linus Torvalds
2183a58803 media updates for v3.19-rc1
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Merge tag 'media/v3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:
 - Two new dvb frontend drivers: mn88472 and mn88473
 - A new driver for some PCIe DVBSky cards
 - A new remote controller driver: meson-ir
 - One LIRC staging driver got rewritten and promoted to mainstream:
   igorplugusb
 - A new tuner driver (m88rs6000t)
 - The old omap2 media driver got removed from staging.  This driver
   uses an old DMA API and it is likely broken on recent kernels.
   Nobody cared enough to fix it
 - Media bus format moved to a separate header, as DRM will also use the
   definitions there
 - mem2mem_testdev were renamed to vim2m, in order to use the same
   naming convention taken by the other virtual test driver (vivid)
 - Added a new driver for coda SoC (coda-jpeg)
 - The cx88 driver got converted to use videobuf2 core
 - Make DMABUF export buffer to work with DMA Scatter/Gather and Vmalloc
   cores
 - Lots of other fixes, improvements and cleanups on the drivers.

* tag 'media/v3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (384 commits)
  [media] mn88473: One function call less in mn88473_init() after error
  [media] mn88473: Remove uneeded check before release_firmware()
  [media] lirc_zilog: Deletion of unnecessary checks before vfree()
  [media] MAINTAINERS: Add myself as img-ir maintainer
  [media] img-ir: Don't set driver's module owner
  [media] img-ir: Depend on METAG or MIPS or COMPILE_TEST
  [media] img-ir/hw: Drop [un]register_decoder declarations
  [media] img-ir/hw: Fix potential deadlock stopping timer
  [media] img-ir/hw: Always read data to clear buffer
  [media] redrat3: ensure dma is setup properly
  [media] ddbridge: remove unneeded check before dvb_unregister_device()
  [media] si2157: One function call less in si2157_init() after error
  [media] tuners: remove uneeded checks before release_firmware()
  [media] arm: omap2: rx51-peripherals: fix build warning
  [media] stv090x: add an extra protetion against buffer overflow
  [media] stv090x: Remove an unreachable code
  [media] stv090x: Some whitespace cleanups
  [media] em28xx: checkpatch cleanup: whitespaces/new lines cleanups
  [media] si2168: add support for firmware files in new format
  [media] si2168: debug printout for firmware version
  ...
2014-12-11 11:49:23 -08:00
Linus Torvalds
92a578b064 ACPI and power management updates for 3.19-rc1
This time we have some more new material than we used to have during
 the last couple of development cycles.
 
 The most important part of it to me is the introduction of a unified
 interface for accessing device properties provided by platform
 firmware.  It works with Device Trees and ACPI in a uniform way and
 drivers using it need not worry about where the properties come
 from as long as the platform firmware (either DT or ACPI) makes
 them available.  It covers both devices and "bare" device node
 objects without struct device representation as that turns out to
 be necessary in some cases.  This has been in the works for quite
 a few months (and development cycles) and has been approved by
 all of the relevant maintainers.
 
 On top of that, some drivers are switched over to the new interface
 (at25, leds-gpio, gpio_keys_polled) and some additional changes are
 made to the core GPIO subsystem to allow device drivers to manipulate
 GPIOs in the "canonical" way on platforms that provide GPIO information
 in their ACPI tables, but don't assign names to GPIO lines (in which
 case the driver needs to do that on the basis of what it knows about
 the device in question).  That also has been approved by the GPIO
 core maintainers and the rfkill driver is now going to use it.
 
 Second is support for hardware P-states in the intel_pstate driver.
 It uses CPUID to detect whether or not the feature is supported by
 the processor in which case it will be enabled by default.  However,
 it can be disabled entirely from the kernel command line if necessary.
 
 Next is support for a platform firmware interface based on ACPI
 operation regions used by the PMIC (Power Management Integrated
 Circuit) chips on the Intel Baytrail-T and Baytrail-T-CR platforms.
 That interface is used for manipulating power resources and for
 thermal management: sensor temperature reporting, trip point setting
 and so on.
 
 Also the ACPI core is now going to support the _DEP configuration
 information in a limited way.  Basically, _DEP it supposed to reflect
 off-the-hierarchy dependencies between devices which may be very
 indirect, like when AML for one device accesses locations in an
 operation region handled by another device's driver (usually, the
 device depended on this way is a serial bus or GPIO controller).
 The support added this time is sufficient to make the ACPI battery
 driver work on Asus T100A, but it is general enough to be able to
 cover some other use cases in the future.
 
 Finally, we have a new cpufreq driver for the Loongson1B processor.
 
 In addition to the above, there are fixes and cleanups all over the
 place as usual and a traditional ACPICA update to a recent upstream
 release.
 
 As far as the fixes go, the ACPI LPSS (Low-power Subsystem) driver
 for Intel platforms should be able to handle power management of
 the DMA engine correctly, the cpufreq-dt driver should interact
 with the thermal subsystem in a better way and the ACPI backlight
 driver should handle some more corner cases, among other things.
 
 On top of the ACPICA update there are fixes for race conditions
 in the ACPICA's interrupt handling code which might lead to some
 random and strange looking failures on some systems.
 
 In the cleanups department the most visible part is the series
 of commits targeted at getting rid of the CONFIG_PM_RUNTIME
 configuration option.  That was triggered by a discussion
 regarding the generic power domains code during which we realized
 that trying to support certain combinations of PM config options
 was painful and not really worth it, because nobody would use them
 in production anyway.  For this reason, we decided to make
 CONFIG_PM_SLEEP select CONFIG_PM_RUNTIME and that lead to the
 conclusion that the latter became redundant and CONFIG_PM could
 be used instead of it.  The material here makes that replacement
 in a major part of the tree, but there will be at least one more
 batch of that in the second part of the merge window.
 
 Specifics:
 
  - Support for retrieving device properties information from ACPI
    _DSD device configuration objects and a unified device properties
    interface for device drivers (and subsystems) on top of that.
    As stated above, this works with Device Trees and ACPI and allows
    device drivers to be written in a platform firmware (DT or ACPI)
    agnostic way.  The at25, leds-gpio and gpio_keys_polled drivers
    are now going to use this new interface and the GPIO subsystem
    is additionally modified to allow device drivers to assign names
    to GPIO resources returned by ACPI _CRS objects (in case _DSD is
    not present or does not provide the expected data).  The changes
    in this set are mostly from Mika Westerberg, Rafael J Wysocki,
    Aaron Lu, and Darren Hart with some fixes from others (Fabio Estevam,
    Geert Uytterhoeven).
 
  - Support for Hardware Managed Performance States (HWP) as described
    in Volume 3, section 14.4, of the Intel SDM in the intel_pstate
    driver.  CPUID is used to detect whether or not the feature is
    supported by the processor.  If supported, it will be enabled
    automatically unless the intel_pstate=no_hwp switch is present in
    the kernel command line.  From Dirk Brandewie.
 
  - New Intel Broadwell-H ID for intel_pstate (Dirk Brandewie).
 
  - Support for firmware interface based on ACPI operation regions
    used by the PMIC chips on the Intel Baytrail-T and Baytrail-T-CR
    platforms for power resource control and thermal management
    (Aaron Lu).
 
  - Limited support for retrieving off-the-hierarchy dependencies
    between devices from ACPI _DEP device configuration objects
    and deferred probing support for the ACPI battery driver based
    on the _DEP information to make that driver work on Asus T100A
    (Lan Tianyu).
 
  - New cpufreq driver for the Loongson1B processor (Kelvin Cheung).
 
  - ACPICA update to upstream revision 20141107 which only affects
    tools (Bob Moore).
 
  - Fixes for race conditions in the ACPICA's interrupt handling
    code and in the ACPI code related to system suspend and resume
    (Lv Zheng and Rafael J Wysocki).
 
  - ACPI core fix for an RCU-related issue in the ioremap() regions
    management code that slowed down significantly after CPUs had
    been allowed to enter idle states even if they'd had RCU callbakcs
    queued and triggered some problems in certain proprietary graphics
    driver (and elsewhere).  The fix replaces synchronize_rcu() in
    that code with synchronize_rcu_expedited() which makes the issue
    go away.  From Konstantin Khlebnikov.
 
  - ACPI LPSS (Low-Power Subsystem) driver fix to handle power
    management of the DMA engine included into the LPSS correctly.
    The problem is that the DMA engine doesn't have ACPI PM support
    of its own and it simply is turned off when the last LPSS device
    having ACPI PM support goes into D3cold.  To work around that,
    the PM domain used by the ACPI LPSS driver is redesigned so at
    least one device with ACPI PM support will be on as long as the
    DMA engine is in use.  From Andy Shevchenko.
 
  - ACPI backlight driver fix to avoid using it on "Win8-compatible"
    systems where it doesn't work and where it was used by default by
    mistake (Aaron Lu).
 
  - Assorted minor ACPI core fixes and cleanups from Tomasz Nowicki,
    Sudeep Holla, Huang Rui, Hanjun Guo, Fabian Frederick, and
    Ashwin Chaugule (mostly related to the upcoming ARM64 support).
 
  - Intel RAPL (Running Average Power Limit) power capping driver
    fixes and improvements including new processor IDs (Jacob Pan).
 
  - Generic power domains modification to power up domains after
    attaching devices to them to meet the expectations of device
    drivers and bus types assuming devices to be accessible at
    probe time (Ulf Hansson).
 
  - Preliminary support for controlling device clocks from the
    generic power domains core code and modifications of the
    ARM/shmobile platform to use that feature (Ulf Hansson).
 
  - Assorted minor fixes and cleanups of the generic power
    domains core code (Ulf Hansson, Geert Uytterhoeven).
 
  - Assorted minor fixes and cleanups of the device clocks control
    code in the PM core (Geert Uytterhoeven, Grygorii Strashko).
 
  - Consolidation of device power management Kconfig options by making
    CONFIG_PM_SLEEP select CONFIG_PM_RUNTIME and removing the latter
    which is now redundant (Rafael J Wysocki and Kevin Hilman).  That
    is the first batch of the changes needed for this purpose.
 
  - Core device runtime power management support code cleanup related
    to the execution of callbacks (Andrzej Hajda).
 
  - cpuidle ARM support improvements (Lorenzo Pieralisi).
 
  - cpuidle cleanup related to the CPUIDLE_FLAG_TIME_VALID flag and
    a new MAINTAINERS entry for ARM Exynos cpuidle (Daniel Lezcano and
    Bartlomiej Zolnierkiewicz).
 
  - New cpufreq driver callback (->ready) to be executed when the
    cpufreq core is ready to use a given policy object and cpufreq-dt
    driver modification to use that callback for cooling device
    registration (Viresh Kumar).
 
  - cpufreq core fixes and cleanups (Viresh Kumar, Vince Hsu,
    James Geboski, Tomeu Vizoso).
 
  - Assorted fixes and cleanups in the cpufreq-pcc, intel_pstate,
    cpufreq-dt, pxa2xx cpufreq drivers (Lenny Szubowicz, Ethan Zhao,
    Stefan Wahren, Petr Cvek).
 
  - OPP (Operating Performance Points) framework modification to
    allow OPPs to be removed too and update of a few cpufreq drivers
    (cpufreq-dt, exynos5440, imx6q, cpufreq) to remove OPPs (added
    during initialization) on driver removal (Viresh Kumar).
 
  - Hibernation core fixes and cleanups (Tina Ruchandani and
    Markus Elfring).
 
  - PM Kconfig fix related to CPU power management (Pankaj Dubey).
 
  - cpupower tool fix (Prarit Bhargava).
 
 /
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Merge tag 'pm+acpi-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI and power management updates from Rafael Wysocki:
 "This time we have some more new material than we used to have during
  the last couple of development cycles.

  The most important part of it to me is the introduction of a unified
  interface for accessing device properties provided by platform
  firmware.  It works with Device Trees and ACPI in a uniform way and
  drivers using it need not worry about where the properties come from
  as long as the platform firmware (either DT or ACPI) makes them
  available.  It covers both devices and "bare" device node objects
  without struct device representation as that turns out to be necessary
  in some cases.  This has been in the works for quite a few months (and
  development cycles) and has been approved by all of the relevant
  maintainers.

  On top of that, some drivers are switched over to the new interface
  (at25, leds-gpio, gpio_keys_polled) and some additional changes are
  made to the core GPIO subsystem to allow device drivers to manipulate
  GPIOs in the "canonical" way on platforms that provide GPIO
  information in their ACPI tables, but don't assign names to GPIO lines
  (in which case the driver needs to do that on the basis of what it
  knows about the device in question).  That also has been approved by
  the GPIO core maintainers and the rfkill driver is now going to use
  it.

  Second is support for hardware P-states in the intel_pstate driver.
  It uses CPUID to detect whether or not the feature is supported by the
  processor in which case it will be enabled by default.  However, it
  can be disabled entirely from the kernel command line if necessary.

  Next is support for a platform firmware interface based on ACPI
  operation regions used by the PMIC (Power Management Integrated
  Circuit) chips on the Intel Baytrail-T and Baytrail-T-CR platforms.
  That interface is used for manipulating power resources and for
  thermal management: sensor temperature reporting, trip point setting
  and so on.

  Also the ACPI core is now going to support the _DEP configuration
  information in a limited way.  Basically, _DEP it supposed to reflect
  off-the-hierarchy dependencies between devices which may be very
  indirect, like when AML for one device accesses locations in an
  operation region handled by another device's driver (usually, the
  device depended on this way is a serial bus or GPIO controller).  The
  support added this time is sufficient to make the ACPI battery driver
  work on Asus T100A, but it is general enough to be able to cover some
  other use cases in the future.

  Finally, we have a new cpufreq driver for the Loongson1B processor.

  In addition to the above, there are fixes and cleanups all over the
  place as usual and a traditional ACPICA update to a recent upstream
  release.

  As far as the fixes go, the ACPI LPSS (Low-power Subsystem) driver for
  Intel platforms should be able to handle power management of the DMA
  engine correctly, the cpufreq-dt driver should interact with the
  thermal subsystem in a better way and the ACPI backlight driver should
  handle some more corner cases, among other things.

  On top of the ACPICA update there are fixes for race conditions in the
  ACPICA's interrupt handling code which might lead to some random and
  strange looking failures on some systems.

  In the cleanups department the most visible part is the series of
  commits targeted at getting rid of the CONFIG_PM_RUNTIME configuration
  option.  That was triggered by a discussion regarding the generic
  power domains code during which we realized that trying to support
  certain combinations of PM config options was painful and not really
  worth it, because nobody would use them in production anyway.  For
  this reason, we decided to make CONFIG_PM_SLEEP select
  CONFIG_PM_RUNTIME and that lead to the conclusion that the latter
  became redundant and CONFIG_PM could be used instead of it.  The
  material here makes that replacement in a major part of the tree, but
  there will be at least one more batch of that in the second part of
  the merge window.

  Specifics:

   - Support for retrieving device properties information from ACPI _DSD
     device configuration objects and a unified device properties
     interface for device drivers (and subsystems) on top of that.  As
     stated above, this works with Device Trees and ACPI and allows
     device drivers to be written in a platform firmware (DT or ACPI)
     agnostic way.  The at25, leds-gpio and gpio_keys_polled drivers are
     now going to use this new interface and the GPIO subsystem is
     additionally modified to allow device drivers to assign names to
     GPIO resources returned by ACPI _CRS objects (in case _DSD is not
     present or does not provide the expected data).  The changes in
     this set are mostly from Mika Westerberg, Rafael J Wysocki, Aaron
     Lu, and Darren Hart with some fixes from others (Fabio Estevam,
     Geert Uytterhoeven).

   - Support for Hardware Managed Performance States (HWP) as described
     in Volume 3, section 14.4, of the Intel SDM in the intel_pstate
     driver.  CPUID is used to detect whether or not the feature is
     supported by the processor.  If supported, it will be enabled
     automatically unless the intel_pstate=no_hwp switch is present in
     the kernel command line.  From Dirk Brandewie.

   - New Intel Broadwell-H ID for intel_pstate (Dirk Brandewie).

   - Support for firmware interface based on ACPI operation regions used
     by the PMIC chips on the Intel Baytrail-T and Baytrail-T-CR
     platforms for power resource control and thermal management (Aaron
     Lu).

   - Limited support for retrieving off-the-hierarchy dependencies
     between devices from ACPI _DEP device configuration objects and
     deferred probing support for the ACPI battery driver based on the
     _DEP information to make that driver work on Asus T100A (Lan
     Tianyu).

   - New cpufreq driver for the Loongson1B processor (Kelvin Cheung).

   - ACPICA update to upstream revision 20141107 which only affects
     tools (Bob Moore).

   - Fixes for race conditions in the ACPICA's interrupt handling code
     and in the ACPI code related to system suspend and resume (Lv Zheng
     and Rafael J Wysocki).

   - ACPI core fix for an RCU-related issue in the ioremap() regions
     management code that slowed down significantly after CPUs had been
     allowed to enter idle states even if they'd had RCU callbakcs
     queued and triggered some problems in certain proprietary graphics
     driver (and elsewhere).  The fix replaces synchronize_rcu() in that
     code with synchronize_rcu_expedited() which makes the issue go
     away.  From Konstantin Khlebnikov.

   - ACPI LPSS (Low-Power Subsystem) driver fix to handle power
     management of the DMA engine included into the LPSS correctly.  The
     problem is that the DMA engine doesn't have ACPI PM support of its
     own and it simply is turned off when the last LPSS device having
     ACPI PM support goes into D3cold.  To work around that, the PM
     domain used by the ACPI LPSS driver is redesigned so at least one
     device with ACPI PM support will be on as long as the DMA engine is
     in use.  From Andy Shevchenko.

   - ACPI backlight driver fix to avoid using it on "Win8-compatible"
     systems where it doesn't work and where it was used by default by
     mistake (Aaron Lu).

   - Assorted minor ACPI core fixes and cleanups from Tomasz Nowicki,
     Sudeep Holla, Huang Rui, Hanjun Guo, Fabian Frederick, and Ashwin
     Chaugule (mostly related to the upcoming ARM64 support).

   - Intel RAPL (Running Average Power Limit) power capping driver fixes
     and improvements including new processor IDs (Jacob Pan).

   - Generic power domains modification to power up domains after
     attaching devices to them to meet the expectations of device
     drivers and bus types assuming devices to be accessible at probe
     time (Ulf Hansson).

   - Preliminary support for controlling device clocks from the generic
     power domains core code and modifications of the ARM/shmobile
     platform to use that feature (Ulf Hansson).

   - Assorted minor fixes and cleanups of the generic power domains core
     code (Ulf Hansson, Geert Uytterhoeven).

   - Assorted minor fixes and cleanups of the device clocks control code
     in the PM core (Geert Uytterhoeven, Grygorii Strashko).

   - Consolidation of device power management Kconfig options by making
     CONFIG_PM_SLEEP select CONFIG_PM_RUNTIME and removing the latter
     which is now redundant (Rafael J Wysocki and Kevin Hilman).  That
     is the first batch of the changes needed for this purpose.

   - Core device runtime power management support code cleanup related
     to the execution of callbacks (Andrzej Hajda).

   - cpuidle ARM support improvements (Lorenzo Pieralisi).

   - cpuidle cleanup related to the CPUIDLE_FLAG_TIME_VALID flag and a
     new MAINTAINERS entry for ARM Exynos cpuidle (Daniel Lezcano and
     Bartlomiej Zolnierkiewicz).

   - New cpufreq driver callback (->ready) to be executed when the
     cpufreq core is ready to use a given policy object and cpufreq-dt
     driver modification to use that callback for cooling device
     registration (Viresh Kumar).

   - cpufreq core fixes and cleanups (Viresh Kumar, Vince Hsu, James
     Geboski, Tomeu Vizoso).

   - Assorted fixes and cleanups in the cpufreq-pcc, intel_pstate,
     cpufreq-dt, pxa2xx cpufreq drivers (Lenny Szubowicz, Ethan Zhao,
     Stefan Wahren, Petr Cvek).

   - OPP (Operating Performance Points) framework modification to allow
     OPPs to be removed too and update of a few cpufreq drivers
     (cpufreq-dt, exynos5440, imx6q, cpufreq) to remove OPPs (added
     during initialization) on driver removal (Viresh Kumar).

   - Hibernation core fixes and cleanups (Tina Ruchandani and Markus
     Elfring).

   - PM Kconfig fix related to CPU power management (Pankaj Dubey).

   - cpupower tool fix (Prarit Bhargava)"

* tag 'pm+acpi-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (120 commits)
  i2c-omap / PM: Drop CONFIG_PM_RUNTIME from i2c-omap.c
  dmaengine / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  tools: cpupower: fix return checks for sysfs_get_idlestate_count()
  drivers: sh / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  e1000e / igb / PM: Eliminate CONFIG_PM_RUNTIME
  MMC / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  MFD / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  misc / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  media / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  input / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  leds: leds-gpio: Fix multiple instances registration without 'label' property
  iio / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  hsi / OMAP / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  i2c-hid / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  drm / exynos / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  gpio / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  hwrandom / exynos / PM: Use CONFIG_PM in #ifdef
  block / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  USB / PM: Drop CONFIG_PM_RUNTIME from the USB core
  PM: Merge the SET*_RUNTIME_PM_OPS() macros
  ...
2014-12-10 21:17:00 -08:00
Heikki Krogerus
81e1dadfb5 arm: omap3: twl: remove usb phy init data
commit dbc98635e0 ("phy: remove the old lookup method") removes
struct phy_consumer but twl-common.c still uses the "phy_consumer"
structure resulting in the following compilation warning.

arch/arm/mach-omap2/twl-common.c:94:21: error: array type has
incomplete element type
 struct phy_consumer consumers[] = {

Removed using phy_consumer since twl4030 uses the new lookup
method.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
2014-12-10 22:37:20 -05:00
Lokesh Vutla
4fdd54f017 ARM: OMAP2+: AM43x: Add ID for ES1.2
ES1.2 is a minor variant of ES1.1. Major changes since ES1.1 are
updating ROM for fixing the following boot modes:
- NAND boot
- UART boot
- Ethernet boot
- USB HOST/Client boot
This patch adds ID support for AM437x ES1.2 silicon.
There are no additional kernel fixes required for ES1.2 silicon.

Latest Technical Documentation can be found here:
http://www.ti.com/lsds/ti/arm/sitara_arm_cortex_a_processor/arm_cortex_a9_core/am437x_arm_cortex_a9/tech_docs.page

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-12-10 09:33:50 -08:00
Tony Lindgren
f577fc52a6 Merge branch 'omap-for-v3.19/fixes-not-urgent' into omap-for-v3.19/fixes 2014-12-10 08:25:50 -08:00
Linus Torvalds
fe78c54b47 ARM: SoC/OMAP GPMC driver cleanup and move for 3.19
The GPMC driver has traditionally been considered a part of the
 OMAP platform code and tightly interweaved with some of the boards.
 
 With this cleanup, it has finally come to the point where it makes
 sense to move it out of arch/arm into drivers/memory, where we already
 have other drivers for similar hardware. The cleanups are still
 ongoing, with the goal of eventually having a standalone driver
 that does not require an interface to architecture code.
 
 This is a separate branch because of dependencies on multiple other
 branches, and to keep the drivers changes separate from the normal
 cleanups.
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Merge tag 'omap-gpmc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC/OMAP GPMC driver cleanup and move from Arnd Bergmann:
 "The GPMC driver has traditionally been considered a part of the OMAP
  platform code and tightly interweaved with some of the boards.

  With this cleanup, it has finally come to the point where it makes
  sense to move it out of arch/arm into drivers/memory, where we already
  have other drivers for similar hardware.  The cleanups are still
  ongoing, with the goal of eventually having a standalone driver that
  does not require an interface to architecture code.

  This is a separate branch because of dependencies on multiple other
  branches, and to keep the drivers changes separate from the normal
  cleanups"

* tag 'omap-gpmc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  memory: gpmc: Move omap gpmc code to live under drivers
  ARM: OMAP2+: Move GPMC initcall to devices.c
  ARM: OMAP2+: Prepare to move GPMC to drivers by platform data header
  ARM: OMAP2+: Remove unnecesary include in GPMC driver
  ARM: OMAP2+: Drop board file for 3430sdp
  ARM: OMAP2+: Drop board file for ti8168evm
  ARM: OMAP2+: Drop legacy code for gpmc-smc91x.c
  ARM: OMAP2+: Require proper GPMC timings for devices
  ARM: OMAP2+: Show bootloader GPMC timings to allow configuring the .dts file
  ARM: OMAP2+: Fix support for multiple devices on a GPMC chip select
  ARM: OMAP2+: gpmc: Sanity check GPMC fck on probe
  ARM: OMAP2+: gpmc: Keep Chip Select disabled while configuring it
  ARM: OMAP2+: gpmc: Always enable A26-A11 for non NAND devices
  ARM: OMAP2+: gpmc: Error out if timings fail in gpmc_probe_generic_child()
  ARM: OMAP2+: gpmc: Print error message in set_gpmc_timing_reg()
2014-12-09 16:57:56 -08:00
Linus Torvalds
6da314122d ARM: SoC DT updates for 3.19
The DT branch adds a lot of new stuff for additional SoC and board
 support. The branch is the largest one and contains 513 out of the
 total 972 non-merge arm-soc changesets for 3.19.
 
 Most of the changes are about enabling additional on-chip devices for
 existing machines, but there are also an unusual number of new SoC
 types being added this time:
 
 * AMLogic Meson8
 * ARM Realview in DT mode
 * Allwinner A80
 * Broadcom BCM47081
 * Broadcom Cygnus
 * Freescale LS1021A
 * Freescale Vybrid 500 series
 * Mediatek MT6592, MT8127, MT8135
 * STMicroelectronics STiH410
 * Samsung Exynos4415
 
 The level of support for the above differs widely, some are just
 stubs with nothing more than CPU, memory and a UART, but others
 are fairly complete. As usual, these get extended over time.
 
 There are also many new boards getting added, this is the
 list of model strings that are showing up in new dts files:
 
 * ARM RealView PB1176
 * Altera SOCFPGA Arria 10
 * Asus RT-N18U (BCM47081)
 * Buffalo WZR-1750DHP (BCM4708)
 * Buffalo WZR-600DHP2 (BCM47081)
 * Cygnus Enterprise Phone (BCM911360_ENTPHN)
 * D-Link DIR-665
 * Google Spring
 * IGEP COM MODULE Rev. G (TI OMAP AM/DM37x)
 * IGEPv2 Rev. F (TI OMAP AM/DM37x)
 * LS1021A QDS Board
 * LS1021A TWR Board
 * LeMaker Banana Pi
 * MarsBoard RK3066
 * MediaTek MT8127 Moose Board
 * MediaTek MT8135 evaluation board
 * Mele M3
 * Merrii A80 Optimus Board
 * Netgear R6300 V2 (BCM4708)
 * Nomadik STN8815NHK
 * NovaTech OrionLXm
 * Olimex A20-OLinuXino-LIME2
 * Raspberry Pi Model B+
 * STiH410 B2120
 * Samsung Monk board
 * Samsung Rinato board
 * Synology DS213j
 * Synology DS414
 * TBS2910 Matrix ARM mini PC
 * TI AM5728 BeagleBoard-X15
 * Toradex Colibri VF50 on Colibri Evaluation Board
 * Zynq ZYBO Development Board
 
 Other notable changes include:
 
 * exynos: cleanup of existing dts files
 * mvebu: improved pinctrl support for Armada 370/XP
 * nomadik: restructuring dts files
 * omap: added CAN bus support
 * shmobile: added clock support for some SoCs
 * shmobile: added sound support for some SoCs
 * sirf: reset controller support
 * sunxi: continuing the relicensing under dual GPL/MIT
 * sunxi: lots of new on-chip device support
 * sunxi: working simplefb support (long awaited)
 * various: provide stdout-path property for earlycon
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Merge tag 'dt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC DT updates from Arnd Bergmann:
 "The DT branch adds a lot of new stuff for additional SoC and board
  support.  The branch is the largest one and contains 513 out of the
  total 972 non-merge arm-soc changesets for 3.19.

  Most of the changes are about enabling additional on-chip devices for
  existing machines, but there are also an unusual number of new SoC
  types being added this time:

   - AMLogic Meson8
   - ARM Realview in DT mode
   - Allwinner A80
   - Broadcom BCM47081
   - Broadcom Cygnus
   - Freescale LS1021A
   - Freescale Vybrid 500 series
   - Mediatek MT6592, MT8127, MT8135
   - STMicroelectronics STiH410
   - Samsung Exynos4415

  The level of support for the above differs widely, some are just stubs
  with nothing more than CPU, memory and a UART, but others are fairly
  complete.  As usual, these get extended over time.

  There are also many new boards getting added, this is the list of
  model strings that are showing up in new dts files:

   - ARM RealView PB1176
   - Altera SOCFPGA Arria 10
   - Asus RT-N18U (BCM47081)
   - Buffalo WZR-1750DHP (BCM4708)
   - Buffalo WZR-600DHP2 (BCM47081)
   - Cygnus Enterprise Phone (BCM911360_ENTPHN)
   - D-Link DIR-665
   - Google Spring
   - IGEP COM MODULE Rev. G (TI OMAP AM/DM37x)
   - IGEPv2 Rev. F (TI OMAP AM/DM37x)
   - LS1021A QDS Board
   - LS1021A TWR Board
   - LeMaker Banana Pi
   - MarsBoard RK3066
   - MediaTek MT8127 Moose Board
   - MediaTek MT8135 evaluation board
   - Mele M3
   - Merrii A80 Optimus Board
   - Netgear R6300 V2 (BCM4708)
   - Nomadik STN8815NHK
   - NovaTech OrionLXm
   - Olimex A20-OLinuXino-LIME2
   - Raspberry Pi Model B+
   - STiH410 B2120
   - Samsung Monk board
   - Samsung Rinato board
   - Synology DS213j
   - Synology DS414
   - TBS2910 Matrix ARM mini PC
   - TI AM5728 BeagleBoard-X15
   - Toradex Colibri VF50 on Colibri Evaluation Board
   - Zynq ZYBO Development Board

  Other notable changes include:

   - exynos: cleanup of existing dts files
   - mvebu: improved pinctrl support for Armada 370/XP
   - nomadik: restructuring dts files
   - omap: added CAN bus support
   - shmobile: added clock support for some SoCs
   - shmobile: added sound support for some SoCs
   - sirf: reset controller support
   - sunxi: continuing the relicensing under dual GPL/MIT
   - sunxi: lots of new on-chip device support
   - sunxi: working simplefb support (long awaited)
   - various: provide stdout-path property for earlycon"

* tag 'dt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (510 commits)
  ARM: dts: rk3288: add arm,cpu-registers-not-fw-configured
  Revert "ARM: dts: rockchip: temporarily disable smp on rk3288"
  ARM: BCM5301X: Add DT for Buffalo WZR-600DHP2
  ARM: BCM5301X: Add DT for Asus RT-N18U
  ARM: BCM5301X: Add DT for Buffalo WZR-1750DHP
  ARM: BCM5301X: Add DT for Netgear R6300 V2
  ARM: BCM5301X: Add buttons for Netgear R6250
  ARM: dts: rockchip: Add input voltage supply regulators in pmic for Marsboard
  ARM: BCM5301X: Add IRQs to Broadcom's bus-axi in DTS file
  arm: dts: zynq: Add Digilent ZYBO board
  arm: dts: zynq: Move crystal freq. to board level
  doc: dt: vendor-prefixes: Add Digilent Inc
  Documentation: devicetree: Fix Xilinx VDMA specification
  ARM: dts: rockchip: set FIFO size for SDMMC, SDIO and EMMC on rk3066 and rk3188
  ARM: dts: rockchip: add label property for leds on Radxa Rock
  ARM: BCM5301X: Add LEDs for Netgear R6250 V1
  ARM: BCM5301X: Add Broadcom's bus-axi to the DTS file
  ARM: dts: add sysreg phandle to i2c device nodes for exynos
  ARM: dts: Remove unused bootargs from exynos3250-rinato
  ARM: dts: add board dts file for Exynos3250-based Monk board
  ...
2014-12-09 14:57:37 -08:00
Linus Torvalds
6cd94d5e57 ARM: SoC platform changes for 3.19
New and updated SoC support, notable changes include:
 
 * bcm: brcmstb SMP support
 * bcm: initial iproc/cygnus support
 * exynos: Exynos4415 SoC support
 * exynos: PMU and suspend support for Exynos5420
 * exynos: PMU support for Exynos3250
 * exynos: pm related maintenance
 * imx: new LS1021A SoC support
 * imx: vybrid 610 global timer support
 * integrator: convert to using multiplatform configuration
 * mediatek: earlyprintk support for mt8127/mt8135
 * meson: meson8 soc and l2 cache controller support
 * mvebu: Armada 38x CPU hotplug support
 * mvebu: drop support for prerelease Armada 375 Z1 stepping
 * mvebu: extended suspend support, now works on Armada 370/XP
 * omap: hwmod related maintenance
 * omap: prcm cleanup
 * pxa: initial pxa27x DT handling
 * rockchip: SMP support for rk3288
 * rockchip: add cpu frequency scaling support
 * shmobile: r8a7740 power domain support
 * shmobile: various small restart, timer, pci apmu changes
 * sunxi: Allwinner A80 (sun9i) earlyprintk support
 * ux500: power domain support
 
 Overall, a significant chunk of changes, coming mostly from
 the usual suspects: omap, shmobile, samsung and mvebu, all of
 which already contain a lot of platform specific code in
 arch/arm.
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Merge tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform changes from Arnd Bergmann:
 "New and updated SoC support, notable changes include:

   - bcm:
        brcmstb SMP support
        initial iproc/cygnus support
   - exynos:
        Exynos4415 SoC support
        PMU and suspend support for Exynos5420
        PMU support for Exynos3250
        pm related maintenance
   - imx:
        new LS1021A SoC support
        vybrid 610 global timer support
   - integrator:
        convert to using multiplatform configuration
   - mediatek:
        earlyprintk support for mt8127/mt8135
   - meson:
        meson8 soc and l2 cache controller support
   - mvebu:
        Armada 38x CPU hotplug support
        drop support for prerelease Armada 375 Z1 stepping
        extended suspend support, now works on Armada 370/XP
   - omap:
        hwmod related maintenance
        prcm cleanup
   - pxa:
        initial pxa27x DT handling
   - rockchip:
        SMP support for rk3288
        add cpu frequency scaling support
   - shmobile:
        r8a7740 power domain support
        various small restart, timer, pci apmu changes
   - sunxi:
        Allwinner A80 (sun9i) earlyprintk support
   - ux500:
        power domain support

  Overall, a significant chunk of changes, coming mostly from the usual
  suspects: omap, shmobile, samsung and mvebu, all of which already
  contain a lot of platform specific code in arch/arm"

* tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (187 commits)
  ARM: mvebu: use the cpufreq-dt platform_data for independent clocks
  soc: integrator: Add terminating entry for integrator_cm_match
  ARM: mvebu: add SDRAM controller description for Armada XP
  ARM: mvebu: adjust mbus controller description on Armada 370/XP
  ARM: mvebu: add suspend/resume DT information for Armada XP GP
  ARM: mvebu: synchronize secondary CPU clocks on resume
  ARM: mvebu: make sure MMU is disabled in armada_370_xp_cpu_resume
  ARM: mvebu: Armada XP GP specific suspend/resume code
  ARM: mvebu: reserve the first 10 KB of each memory bank for suspend/resume
  ARM: mvebu: implement suspend/resume support for Armada XP
  clk: mvebu: add suspend/resume for gatable clocks
  bus: mvebu-mbus: provide a mechanism to save SDRAM window configuration
  bus: mvebu-mbus: suspend/resume support
  clocksource: time-armada-370-xp: add suspend/resume support
  irqchip: armada-370-xp: Add suspend/resume support
  ARM: add lolevel debug support for asm9260
  ARM: add mach-asm9260
  ARM: EXYNOS: use u8 for val[] in struct exynos_pmu_conf
  power: reset: imx-snvs-poweroff: add power off driver for i.mx6
  ARM: imx: temporarily remove CONFIG_SOC_FSL from LS1021A
  ...
2014-12-09 14:38:28 -08:00
Linus Torvalds
0a9e0acddb ARM: SoC non-critical bug fixes for 3.19
These are bug fixes for harmless problems that were not important
 enough to get fixed in 3.19. This contains updates to the MAINTAINERS
 file, in particular:
 
 - Ben Dooks stepped down as Samsung co-maintainer (thanks Ben for
   long years of maintaining this). Kukjin Kim, who has been
   doing the work de-facto by himself recently is now the
   only maintainer.
 - Liviu, Sudeep and Lorenzo from ARM now officially maintain the
   Versatile Express platform, which was orphaned (thanks for
 - Gregory Fong and Florian Fainelli help out on the Broadcom BCM7XXX
   platform
 - Ray Jui and Scott Branden are the future maintainers for the
   newly merged Broadcom Cygnus platform. Welcome!
 
 In terms of actual fixes, we have the usual set of OMAP bug fixes,
 which Tony Lindgren separates out well from the other OMAP changes,
 one really ep93xx regression fix against 3.11 that didn't make it for
 3.18, a few GIC changes from Marc Zyngier as a preparation for
 later rework (the current code is wrong in a harmless way), on
 Tegra regression and one samsung spelling fix.
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Merge tag 'fixes-nc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC non-critical bug fixes from Arnd Bergmann:
 "These are bug fixes for harmless problems that were not important
  enough to get fixed in 3.19.  This contains updates to the MAINTAINERS
  file, in particular:

   - Ben Dooks stepped down as Samsung co-maintainer (thanks Ben for
     long years of maintaining this).  Kukjin Kim, who has been doing
     the work de-facto by himself recently is now the only maintainer.

   - Liviu, Sudeep and Lorenzo from ARM now officially maintain the
     Versatile Express platform, which was orphaned (thanks for

   - Gregory Fong and Florian Fainelli help out on the Broadcom BCM7XXX
     platform

   - Ray Jui and Scott Branden are the future maintainers for the newly
     merged Broadcom Cygnus platform.  Welcome!

  In terms of actual fixes, we have the usual set of OMAP bug fixes,
  which Tony Lindgren separates out well from the other OMAP changes,
  one really ep93xx regression fix against 3.11 that didn't make it for
  3.18, a few GIC changes from Marc Zyngier as a preparation for later
  rework (the current code is wrong in a harmless way), on Tegra
  regression and one samsung spelling fix"

* tag 'fixes-nc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: imx6: fix bogus use of irq_get_irq_data
  ARM: imx: irq: fix buggy usage of irq_data irq field
  MAINTAINERS: ARM Versatile Express platform, add missing pattern
  MAINTAINERS: ARM Versatile Express platform
  arm: ep93xx: add dma_masks for the M2P and M2M DMA controllers
  MAINTAINERS: Add ahci_st.c to ARCH/STI architecture
  MAINTAINERS: add entry for the GISB arbiter driver
  MAINTAINERS: update brcmstb entries
  MAINTAINERS: update email address and cleanup for exynos entry
  ARM: tegra: Re-add removed SoC id macro to tegra_resume()
  MAINTAINERS: Entry for Cygnus/iproc arm architecture
  ARM: OMAP: serial: remove last vestige of DTR_gpio support.
  ARM: OMAP2+: gpmc: Get rid of "ti,elm-id not found" warning
  ARM: EXYNOS: fix typo in static struct name "exynos5_list_diable_wfi_wfe"
  ARM: OMAP2: Remove unnecessary KERN_* in omap_phy_internal.c
  ARM: OMAP4+: Remove unused omap_l3_noc platform init
  ARM: dts: Add twl keypad map for omap3 EVM
  ARM: dts: Add twl keypad map for LDP
  ARM: dts: Fix NAND last partition size on LDP
  ARM: OMAP3: Fix errors for omap_l3_smx when booted with device tree
2014-12-09 14:14:47 -08:00
Felipe Balbi
99d2fae9eb [media] arm: omap2: rx51-peripherals: fix build warning
commit 68a3c04330 ([media] ARM: OMAP2: RX-51: update
si4713 platform data) updated board-rx51-peripherals.c
so that si4713 could be easily used on DT boot, but
it ended up introducing a build warning whenever
si4713 isn't enabled.

This patches fixes that warning:

arch/arm/mach-omap2/board-rx51-peripherals.c:1000:36: warning: \
	‘rx51_si4713_platform_data’ defined but not used [-Wunused-variable]
 static struct si4713_platform_data rx51_si4713_platform_data = {

Cc: Sebastian Reichel <sre@kernel.org>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-12-04 15:28:50 -02:00
Arnd Bergmann
1306b20daa We can finally move the GPMC code to live in drivers/memory for
further clean up work.
 
 Note that we still have dependencies to the legacy booting for
 omap3 board-*.c files for setting up the board specific memory
 timings. For that we need the timing related things still exposed
 in include/linux/omap-gpmc.h. This will all become private data
 to the GPMC driver once the legacy booting support can be dropped.
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Merge tag 'omap-for-v3.19/gpmc-move-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/omap-gpmc

Pull "move omap gpmc to drivers finally" from Tony Lindgren:

We can finally move the GPMC code to live in drivers/memory for
further clean up work.

Note that we still have dependencies to the legacy booting for
omap3 board-*.c files for setting up the board specific memory
timings. For that we need the timing related things still exposed
in include/linux/omap-gpmc.h. This will all become private data
to the GPMC driver once the legacy booting support can be dropped.

* tag 'omap-for-v3.19/gpmc-move-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  memory: gpmc: Move omap gpmc code to live under drivers
  ARM: OMAP2+: Move GPMC initcall to devices.c
  ARM: OMAP2+: Prepare to move GPMC to drivers by platform data header

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-28 23:24:12 +01:00
Tony Lindgren
1864019379 memory: gpmc: Move omap gpmc code to live under drivers
Just move to drivers as further clean-up can now happen there
finally.

Let's also add Roger and me to the MAINTAINERS so we get
notified for any patches related to GPMC.

Cc: Arnd Bergmann <arnd@arndb.de>
Acked-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-11-28 12:54:39 -08:00
Tony Lindgren
a861280938 ARM: OMAP2+: Move GPMC initcall to devices.c
This will us allow to just move gpmc.c to live under drivers
in the next patch.

Note that we now also remove the omap specific check for the
initcall. That's OK as gpmc_probe() checks for the pdata
and bails out for other platforms compiled in.

Also the postcore_initcall() maybe possible to change to
just regular module_init(), but let's do that in separate
patch after the move to drivers is done.

Cc: Arnd Bergmann <arnd@arndb.de>
Acked-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-11-28 12:54:26 -08:00
Arnd Bergmann
ea4409cc44 More dts changes for omaps to add support for new devices:
- Add DCAN support am335x, am437x and dra7
 
 - Add devices for sb-t3x computers
 
 - Add support for NovaTech OrionLXm
 
 - Add n900 battery and si4713 support
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Merge tag 'omap-for-v3.19/dt-part2-updated' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/dt

Pull "More dts changes for omaps to add support for new devices" from Tony Lindgren:

- Add DCAN support am335x, am437x and dra7

- Add devices for sb-t3x computers

- Add support for NovaTech OrionLXm

- Add n900 battery and si4713 support

* tag 'omap-for-v3.19/dt-part2-updated' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (26 commits)
  ARM: dts: am335x-evm: Add DCAN1 details
  ARM: dts: am33xx: Update DCAN nodes
  ARM: dts: am33xx: Add control module syscon node
  ARM: dts: am437x-gp: Add dcan support
  ARM: dts: am4372: Add DCAN nodes
  ARM: dts: am4372: Add control module syscon node
  ARM: dts: dra72-evm: Add CAN support
  ARM: dts: dra7-evm: Add CAN support
  ARM: dts: DRA7: Add DCAN nodes
  ARM: dts: dra7: Add syscon regmap for CORE CONTROL area
  ARM: dts: sbc-t3x30: add audio support
  ARM: dts: sbc-t3x: add TV out display alias
  ARM: dts: cm-t3x: add TV out support
  ARM: dts: cm-t3x: add I2C1 pinmux
  ARM: dts: AM43xx: add tscadc DT entries for am437x-evm and am43x-epos-evm
  ARM: dts: cm-t3x30: add keypad support
  ARM: dts: sb-t35: add EEPROM support
  ARM: dts: cm-t3x: add EEPROM support
  ARM: OMAP2+: remove cm-t3x touchscreen pdata quirk
  ARM: dts: cm-t3x: add ADS7846 touchscreen support
  ...

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-28 14:56:14 +01:00
Arnd Bergmann
df717a58a3 Merge (part of) tag 'omap-for-v3.19/hwmod-and-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc
SoC related changes for omaps including hwmod clean-up for
DSS, and hwmod data for more UARTs and ADC. Also few defconfig
changes to enable devices found on am335x and am437x.

[arnd: I removed the defconfig changes from the branch in order
 to cherry-pick them onto the next/defconfig branch, but I did
 not change the other commits]

* commit '29c4ce17bcad':
  ARM: dts: cm-t3x30: add keypad support
  ARM: OMAP2+: hwmod: AM43x: add hwmod support for ADC on AM43xx
  ARM: DRA7: hwmod data: Add missing UART hwmod data
  ARM: dts: omap4.dtsi: remove dss_fck
  ARM: OMAP4: fix RFBI iclk
  ARM: OMAP4: hwmod: use MODULEMODE properly
  ARM: OMAP4: hwmod: set DSS submodule parent hwmods
  ARM: OMAP5: hwmod: set DSS submodule parent hwmods
  ARM: OMAP2+: hwmod: add parent_hwmod support

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-28 14:51:38 +01:00
Andreas Fenkart
80412ca8ab mmc: omap_hsmmc: remove unused slot_id parameter
omap_hsmmc only supports one slot. So slot id is always zero, and
slot id was never used in the callbacks anyway

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Andreas Fenkart <afenkart@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2014-11-26 14:30:56 +01:00
Andreas Fenkart
326119c992 mmc: omap_hsmmc: remove unnecessary omap_hsmmc_slot_data indirection
omap_hsmmc supports only one slot per controller, see OMAP_MMC_MAX_SLOTS.
This unnecessary indirection leads to confusion in the omap_hsmmc driver.
For example the card_detect callback is not installed by platform code
but from the driver probe function. So it should be a field of
omap_hsmmc_host. But since it is declared under the platform slot while
the drivers struct omap_hsmmc_host has no slot abstraction, this looks
like a bug, especially when not familiar that this driver only supports
1 slot anyway.
Either we should add a slot abstraction to omap_hsmmc_host or remove
it from the platform data struct. Removed since slot multiplexing is
an un-implemented feature

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Andreas Fenkart <afenkart@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2014-11-26 14:30:55 +01:00
Andreas Fenkart
df206c3139 mmc: omap_hsmmc: remove unused get_context_loss_count callback
trigger of this callback has been removed in 0a82e06e61

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Andreas Fenkart <afenkart@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2014-11-26 14:30:55 +01:00
Andreas Fenkart
e5aafa27ab mmc: omap_hsmmc: remove never read power_saving field in omap2_hsmmc_info
these fields are never read, probably an unimplemented feature
or superseded by pm_runtime

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Andreas Fenkart <afenkart@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2014-11-26 14:30:54 +01:00
Andreas Fenkart
a74fecdf79 mmc: omap_hsmmc: remove unused fields in platform_data
platform data is built from omap2_hsmmc_info, remove all fields that
are never set in omap_hsmmc_info, hence never copied to platform data.
Note that the omap_hsmmc driver is not affected by this patch those
fields were completely unused.

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Andreas Fenkart <afenkart@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2014-11-26 14:30:54 +01:00
Andreas Fenkart
5514343890 ARM: OMAP1/2+: MMC: separate platform data for mmc and mmc hs driver
- omap mmc driver supports multiplexing, omap_mmc_hs doesn't
this leads to one of the major confusions in the omap_hsmmc driver

- platform data should be read-only for the driver
most callbacks are not set by the omap3 platform init code while still
required. So they are set from the driver probe function, which is against
the paradigm that platform-data should not be modified by the driver
typical examples are card_detect, read_only callbacks

un-bundling by searching for driver name \"omap_hsmmc in the
arch/arm folder. omap_hsmmc_platform_data is not initialized directly,
but from omap2_hsmmc_info, which is defined in a separate header file
not touched by this patch

hwmod includes platform headers to declare features of the platform. All
the declared features are prefixed OMAP_HSMMC. There is no need to
include platform header from hwmod other except for feature defines

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Andreas Fenkart <afenkart@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2014-11-26 14:30:53 +01:00
Andreas Fenkart
826c71a065 ARM: OMAP2: MMC: include mmc-omap platform header directly
Only a few files really need that platform header. When later splitting
omap_mmc_platform_data into omap_mmc and omap_mmc_hs, those files
declaring an hs mmc platform data will have to change the platform
include, which is a good sanity check.
Also removing omap242x_init_mmc, which is not used anywhere, checked
with grep.

Signed-off-by: Andreas Fenkart <afenkart@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2014-11-26 14:30:53 +01:00
Dmitry Lifshitz
7dcfa7e1e2 ARM: OMAP2+: remove cm-t3x touchscreen pdata quirk
Remove ADS7846 touchscreen pdata quirk for CM-T3x CoMs

Signed-off-by: Dmitry Lifshitz <lifshitz@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-11-21 16:09:26 -08:00
Tony Lindgren
88e66102b7 Several more OMAP patches targeted for v3.19. They include:
- OMAP4/5: DSS hwmod cleanup patches from Tomi Valkeinen.
 - DRA7xx: hwmod data support for UARTs 7 through 10.
 - AM43xx: hwmod data support for the onboard ADC.
 
 Basic build, boot, and PM test reports are here:
 
 http://www.pwsan.com/omap/testlogs/omap-b-for-v3.19/20141121110550/
 
 Note that I cannot test the DRA7xx or AM43xx patches, since I do not have
 these boards.
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Merge tag 'for-v3.19/omap-b2' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v3.19/soc

Several more OMAP patches targeted for v3.19. They include:

- OMAP4/5: DSS hwmod cleanup patches from Tomi Valkeinen.
- DRA7xx: hwmod data support for UARTs 7 through 10.
- AM43xx: hwmod data support for the onboard ADC.

Basic build, boot, and PM test reports are here:

http://www.pwsan.com/omap/testlogs/omap-b-for-v3.19/20141121110550/

Note that I cannot test the DRA7xx or AM43xx patches, since I do not have
these boards.
2014-11-21 15:22:24 -08:00
Paul Walmsley
1f074f9964 Merge branch 'adc-support-v3.19' into omap-b-for-v3.19 2014-11-21 11:05:05 -07:00
Hans Verkuil
1b65729a18 [media] mach-omap2: remove deprecated VIDEO_OMAP2 support
The omap2 camera driver has been deprecated for a year and is now
going to be removed. It is unmaintained and it uses an internal API
that has long since been superseded by a much better API. Worse, that
internal API has been abused by out-of-kernel trees (i.MX6).

In addition, Sakari stated that these drivers have never been in a
usable state in the mainline kernel due to missing platform data.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@iki.fi>
Acked-by: Tony Lindgren <tony@atomide.com>
Cc: David Cohen <dacohen@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-11-21 15:52:18 -02:00
Vignesh R
d1180f69b8 ARM: OMAP2+: hwmod: AM43x: add hwmod support for ADC on AM43xx
This patch adds hwmod support for ADC on AM43xx. Since clockdomain
and offsets of adc_tsc are different from AM33xx, ADC data has been
directly added to AM43xx hwmod file.

Signed-off-by: Vignesh R <vigneshr@ti.com>
[paul@pwsan.com: fixed spelling of "Anolog"; converted spaces to tabs]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-11-21 10:39:49 -07:00
Tony Lindgren
e639cd5bfc ARM: OMAP2+: Prepare to move GPMC to drivers by platform data header
We still need to support platform data for omap3 until it's booting
in device tree only mode. So let's add platform_data/omap-gpmc.h for
that, and a minimal linux/omap-gpmc.h for the save and restore used
by the PM code.

Let's also keep a minimal mach-omap2/gpmc.h still around to avoid
churn on the board-*.c files. Once omap3 boots in device tree only
mode, we can drop mach-omap2/gpmc.h and we can make the data
structures in platform_data/omap-gpmc.h private to the GPMC driver.

Note that we can now also remove gpmc-nand.h and gpmc-onenand.h.

Cc: Arnd Bergmann <arnd@arndb.de>
Acked-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-11-20 12:11:25 -08:00
Arnd Bergmann
594b5d51c6 Drop few unused omap board files. The support for ti81xx is known to
be incomplete and broken, and the 3430sdp is only used in few automated
 boot test systems AFAIK and those have been booting in device tree only
 mode for quite some time now.
 
 Note that this branch has a dependency to the related device tree
 changes and GPMC changes sent in a separate pull request.
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Merge tag 'omap-for-v3.19/cleanup-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/omap-gpmc

Pull "omap clean-up for v3.19" from Tony Lindgren:

Drop few unused omap board files. The support for ti81xx is known to
be incomplete and broken, and the 3430sdp is only used in few automated
boot test systems AFAIK and those have been booting in device tree only
mode for quite some time now.

Note that this branch has a dependency to the related device tree
changes and GPMC changes sent in a separate pull request.

* tag 'omap-for-v3.19/cleanup-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: Drop board file for 3430sdp
  ARM: OMAP2+: Drop board file for ti8168evm

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-20 18:15:47 +01:00
Arnd Bergmann
594b732110 GPMC (General Purpose Memory Controller) changes for omaps. These
changes allow us to drop dependencies to bootloader timings now
 that the known device tree entries have been fixed. So we can now
 require proper timings to be configured and get rid of the legacy
 smsc91x code.
 
 Note that this branch has a dependency to the related device tree
 branch sent in a separate pull request as timings are now required.
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Merge tag 'omap-for-v3.19/gpmc-timings' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/omap-gpmc

Pull "omap gpmc changes for v3.19" from Tony Lindgren:

GPMC (General Purpose Memory Controller) changes for omaps. These
changes allow us to drop dependencies to bootloader timings now
that the known device tree entries have been fixed. So we can now
require proper timings to be configured and get rid of the legacy
smsc91x code.

Note that this branch has a dependency to the related device tree
branch sent in a separate pull request as timings are now required.

* tag 'omap-for-v3.19/gpmc-timings' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: Remove unnecesary include in GPMC driver
  ARM: OMAP2+: Drop legacy code for gpmc-smc91x.c
  ARM: OMAP2+: Require proper GPMC timings for devices
  ARM: OMAP2+: Show bootloader GPMC timings to allow configuring the .dts file
  ARM: OMAP2+: Fix support for multiple devices on a GPMC chip select
  ARM: OMAP2+: gpmc: Sanity check GPMC fck on probe
  ARM: OMAP2+: gpmc: Keep Chip Select disabled while configuring it
  ARM: OMAP2+: gpmc: Always enable A26-A11 for non NAND devices
  ARM: OMAP2+: gpmc: Error out if timings fail in gpmc_probe_generic_child()
  ARM: OMAP2+: gpmc: Print error message in set_gpmc_timing_reg()

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-20 18:14:47 +01:00
Arnd Bergmann
0233903e40 Merge branch 'omap/dt' into next/omap-gpmc
Dependency for the gpmc changes

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-20 18:14:15 +01:00
Arnd Bergmann
37f286e908 Clean-up series for omap PRCM (Power Reset Clock Module) from
Tero Kristo to move things a bit closer to becoming a proper
 device driver.
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Merge tag 'omap-for-v3.19/prcm-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc

Pull "omap prcm clean-up for v3.19" from Tony Lindgren:

Clean-up series for omap PRCM (Power Reset Clock Module) from
Tero Kristo to move things a bit closer to becoming a proper
device driver.

* tag 'omap-for-v3.19/prcm-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (26 commits)
  ARM: OMAP2+: PRM: provide generic API for system reset
  ARM: OMAP3+: PRM: add generic API for reconfiguring I/O chain
  ARM: OMAP4: PRM: make PRCM interrupt handler related functions static
  ARM: OMAP3: PRM: make PRCM interrupt handler related functions static
  ARM: OMAP4: PRM: make omap4_prm_read/write_inst_reg calls static
  ARM: AM33xx: PRM: make direct register access functions static
  ARM: AM33xx: PRM: move global warm reset implementation to driver
  ARM: OMAP4+: CM: remove omap4_cm1/cm2_* functions
  ARM: OMAP4: CM: make cminst direct register access functions static
  ARM: OMAP4: CM: move public definitions from cminst44xx.h to cm44xx.h
  ARM: OMAP2+: PRM: add generic API for checking hardreset status
  ARM: OMAP2+: PRM: add generic API for deasserting hardware reset
  ARM: OMAP2+: PRM: add generic API for asserting hardware reset
  ARM: AM33xx: PRM: add support for prm_init
  ARM: AM43xx: hwmod: use OMAP4 hardreset ops instead of the AM33xx version
  ARM: AM33xx: hwmod: remove am33xx specific module SoC opts
  ARM: OMAP2/3: CM: make cm_split_idlest_reg SoC calls static
  ARM: OMAP2+: CM: add common APIs for cm_module_enable/disable
  ARM: OMAP2+: CM: make clkdm_hwsup operations static
  ARM: OMAP4+/AM33xx: CM: add common API for cm_wait_module_idle
  ...

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-20 12:06:19 +01:00
Arnd Bergmann
498149dd12 Device tree related changes for omaps:
- Fix currently harmless but wrong sizes for various GPMC connected
   devices
 
 - Set up timings for several GPMC connected devices to get rid of
   bootloader dependencies in later patches
 
 - Enable various drivers for dra7xx
 
 - Prepare Igep boards to support new variants
 
 - Add intial support for BeagleBoard-X15
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Merge tag 'omap-for-v3.19/dt-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/dt

Pull "Device tree related changes for omaps" from Tony Lindgren:

- Fix currently harmless but wrong sizes for various GPMC connected
  devices

- Set up timings for several GPMC connected devices to get rid of
  bootloader dependencies in later patches

- Enable various drivers for dra7xx

- Prepare Igep boards to support new variants

- Add intial support for BeagleBoard-X15

* tag 'omap-for-v3.19/dt-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (37 commits)
  ARM: dts: DRA7: Add aliases for all serial ports
  ARM: dts: Add am57xx-beagle-x15
  ARM: OMAP2+: igep00x0: Add pdata-quirks for the btwilink device.
  ARM: dts: omap3-igep00x0: Remove i2c2 node.
  ARM: dts: omap3-igep0020-rev-f: Support IGEPv2 Rev. F
  ARM: dts: omap3-igep0020-common: Introduce igep0020 common dtsi file.
  ARM: dts: omap3-igep0030-rev-g: Support IGEP COM MODULE Rev. G
  ARM: dts: omap3-igep0030-common: Introduce igep0030 common dtsi file.
  ARM: dts: omap3-igep00x0: Move outside common file the on board Wifi module.
  ARM: dts: omap3-igep0020: Specify IGEPv2 revision in device tree.
  ARM: dts: omap3-igep0030: Specify IGEP COM revision in device tree.
  ARM: dts: omap3-igep00x0: Move NAND configuration to a common place.
  ARM: dts: omap3-igep00x0: Fix UART2 pins that aren't common.
  ARM: dts: dra7: add labels to DWC3 nodes
  ARM: dts: dra72x-evm: Enable CPSW and MDIO
  ARM: dts: dra7-evm: Keep all VDD rails always-on
  ARM: dts: dra72-evm: Add MMC nodes
  ARM: dts: dra72-evm: Add power button node
  ARM: dts: dra72-evm: Provide explicit pinmux for TPS PMIC
  ARM: dts: dra72-evm: Add regulator information to USB2 PHYs
  ...

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-20 11:46:06 +01:00
Arnd Bergmann
3cb0df93bc SoC related changes for omaps. Mostly to make PM easier to use for
omap4 and later, and to fix clock DPLL fixes by adding determine_rate
 and set_rate_and_parent.
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Merge tag 'omap-for-v3.19/clocks-and-pm' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc

Pull "omap soc changes for v3.19" from Tony Lindgren:

SoC related changes for omaps. Mostly to make PM easier to use for
omap4 and later, and to fix clock DPLL fixes by adding determine_rate
and set_rate_and_parent.

* tag 'omap-for-v3.19/clocks-and-pm' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: hwmod: drop unnecessary list initialization
  ARM: OMAP3+: DPLL: use determine_rate() and set_rate_and_parent()
  ARM: OMAP3: clock: add support for dpll4_set_rate_and_parent
  ARM: OMAP4: clock: add support for determine_rate for omap4 regm4xen DPLL
  ARM: OMAP3: clock: add new rate changing logic support for noncore DPLLs
  ARM: OMAP3: clock: use clk_features flags for omap3 DPLL4 checks
  ARM: OMAP4+: PM: Program CPU logic power state
  ARM: OMAP4+: PM: Centralize static dependency mapping table
  ARM: OMAP4: PM: Only do static dependency configuration in omap4_init_static_deps

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-20 11:39:58 +01:00
Paul Walmsley
eb039a1751 Merge branch 'dra7xx-uart-hwmod-v3.19' into omap-b-for-v3.19 2014-11-20 01:50:32 -07:00
Ambresh K
33acc9fff9 ARM: DRA7: hwmod data: Add missing UART hwmod data
We had constrainted hwmod entries to entries in dts which were present
only for default mapped interrupts, the ones such as UARTs > 6 which
needed IRQ crossbar configured were never added to hwmod database.

Add them now that IRQ crossbar is functional

Without this, enabling UARTs7 to 10 in dts results in the following crash:
[    1.893829] omap_uart 48420000.serial: _od_fail_runtime_resume: FIXME: missing hwmod/omap_dev info
[    1.903381] Unhandled fault: imprecise external abort (0x1406) at 0x00000000
[    1.903381] ------------[ cut here ]------------
[    1.903381] WARNING: CPU: 0 PID: 0 at drivers/bus/omap_l3_noc.c:147 l3_interrupt_handler+0x2ac/0x32c()
[    1.903411] 44000000.ocp:L3 Custom Error: MASTER MPU TARGET L4_PER2_P3 (Read): Data Access in User mode during Functional access
[    1.903411] Modules linked in:
[    1.903411] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G        W      3.18.0-rc1-dirty #3
[    1.903442] [<c0015270>] (unwind_backtrace) from [<c00119b4>] (show_stack+0x10/0x14)
[    1.903442] [<c00119b4>] (show_stack) from [<c05e4afc>] (dump_stack+0x78/0x94)
[    1.903472] [<c05e4afc>] (dump_stack) from [<c003fed0>] (warn_slowpath_common+0x6c/0x8c)
[    1.903472] [<c003fed0>] (warn_slowpath_common) from [<c003ff84>] (warn_slowpath_fmt+0x30/0x40)
[    1.903472] [<c003ff84>] (warn_slowpath_fmt) from [<c0333bfc>] (l3_interrupt_handler+0x2ac/0x32c)
[    1.903503] [<c0333bfc>] (l3_interrupt_handler) from [<c008d6f8>] (handle_irq_event_percpu+0x60/0x230)
[    1.903503] [<c008d6f8>] (handle_irq_event_percpu) from [<c008d904>] (handle_irq_event+0x3c/0x5c)
[    1.903503] [<c008d904>] (handle_irq_event) from [<c00903b0>] (handle_fasteoi_irq+0xc4/0x190)
[    1.903503] [<c00903b0>] (handle_fasteoi_irq) from [<c008d01c>] (generic_handle_irq+0x20/0x30)
[    1.903533] [<c008d01c>] (generic_handle_irq) from [<c008d114>] (__handle_domain_irq+0x64/0xb8)
[    1.903533] [<c008d114>] (__handle_domain_irq) from [<c00086e4>] (gic_handle_irq+0x20/0x60)
[    1.903533] [<c00086e4>] (gic_handle_irq) from [<c05eb124>] (__irq_svc+0x44/0x5c)
[    1.903533] Exception stack(0xc08d1f60 to 0xc08d1fa8)
[    1.903564] 1f60: 00000001 00000001 00000000 c08dc930 c08d0000 00000000 00000000 00000000
[    1.903564] 1f80: ffffffed c0978028 c08d89dc c08d8978 00000000 c08d1fa8 c0083fc0 c000f160
[    1.903564] 1fa0: 20000013 ffffffff
[    1.903564] [<c05eb124>] (__irq_svc) from [<c000f160>] (arch_cpu_idle+0x20/0x3c)
[    1.903594] [<c000f160>] (arch_cpu_idle) from [<c0077c54>] (cpu_startup_entry+0x198/0x338)
[    1.903594] [<c0077c54>] (cpu_startup_entry) from [<c0869be0>] (start_kernel+0x358/0x3c4)
[    1.903594] [<c0869be0>] (start_kernel) from [<80008074>] (0x80008074)
[    1.903594] ---[ end trace 293fc95d463cff71 ]---
[    2.117553] Internal error: : 1406 [#1] SMP ARM
[    2.122314] Modules linked in:
[    2.125518] CPU: 1 PID: 1 Comm: swapper/0 Tainted: G        W      3.18.0-rc1-dirty #3
[    2.133850] task: ed868b80 ti: ed86a000 task.ti: ed86a000
[    2.139526] PC is at serial_omap_probe+0x2fc/0x514
[    2.144561] LR is at trace_hardirqs_on_caller+0xec/0x1c4
[    2.150146] pc : [<c038f0f0>]    lr : [<c0083fc0>]    psr: 40000013
[    2.150146] sp : ed86be18  ip : ed9bb57c  fp : f005e000
[    2.162231] r10: 0000012a  r9 : ed9b4f80  r8 : edc5bdcd
[    2.167724] r7 : edc58810  r6 : ed9bb400  r5 : ed9bb410  r4 : edc5bc10
[    2.174560] r3 : 00000000  r2 : 00000000  r1 : 00000014  r0 : ffffffed
[    2.181427] Flags: nZcv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment kernel
[    2.189117] Control: 10c5387d  Table: 8000406a  DAC: 00000015
[    2.195159] Process swapper/0 (pid: 1, stack limit = 0xed86a248)
[    2.201477] Stack: (0xed86be18 to 0xed86c000)
[    2.206054] be00:                                                       ed9ba2d0 00000000
[    2.214660] be20: edc50150 00000001 c08cba58 00000000 00000000 ed9bb410 ffffffed c09481d8
[    2.223236] be40: 00000000 c09481d8 c08cba58 00000000 00000000 c039bcfc c1170958 ed9bb410
[    2.231842] be60: ed9bb444 c039a6f4 00000000 ed9bb410 c09481d8 ed9bb444 00000000 c08dc698
[    2.240447] be80: edc4a100 c039a8b0 c09481d8 c039a81c 00000000 c0399060 ed8afaa8 ed92c110
[    2.249053] bea0: c09481d8 edc482c0 c0949308 c0399ee0 c077f80c c09481d8 ed86a000 c09481d8
[    2.257659] bec0: ed86a000 c08dc698 00000000 c039b088 00000000 00000000 ed86a000 c08a1924
[    2.266235] bee0: c08a1904 c00089c4 00000000 00000000 00000000 00000000 60000093 00000000
[    2.274841] bf00: 00000004 00000000 ed868b80 00000004 00000000 60000053 00000000 00000001
[    2.283447] bf20: 00000000 c0083ea8 00000001 ed86a000 c08334bc ef7fc307 000000b2 c0059358
[    2.292053] bf40: c07e176c c083299c 00000006 00000006 c08cb588 c08b69cc 00000006 c08b69ac
[    2.300659] bf60: c097a280 000000b2 c08cba58 c0869588 00000000 c0869e04 00000006 00000006
[    2.309234] bf80: c0869588 00000000 00000000 c05dfd7c 00000000 00000000 00000000 00000000
[    2.317840] bfa0: 00000000 c05dfd84 00000000 c000e668 00000000 00000000 00000000 00000000
[    2.326446] bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[    2.335052] bfe0: 00000000 00000000 00000000 00000000 00000013 00000000 020405d0 00090c40
[    2.343658] [<c038f0f0>] (serial_omap_probe) from [<c039bcfc>] (platform_drv_probe+0x48/0x98)
[    2.352630] [<c039bcfc>] (platform_drv_probe) from [<c039a6f4>] (driver_probe_device+0x10c/0x234)
[    2.361968] [<c039a6f4>] (driver_probe_device) from [<c039a8b0>] (__driver_attach+0x94/0x98)
[    2.370819] [<c039a8b0>] (__driver_attach) from [<c0399060>] (bus_for_each_dev+0x54/0x88)
[    2.379425] [<c0399060>] (bus_for_each_dev) from [<c0399ee0>] (bus_add_driver+0xdc/0x1d4)
[    2.388031] [<c0399ee0>] (bus_add_driver) from [<c039b088>] (driver_register+0x78/0xf4)
[    2.396453] [<c039b088>] (driver_register) from [<c08a1924>] (serial_omap_init+0x20/0x40)
[    2.405059] [<c08a1924>] (serial_omap_init) from [<c00089c4>] (do_one_initcall+0x80/0x1cc)
[    2.413757] [<c00089c4>] (do_one_initcall) from [<c0869e04>] (kernel_init_freeable+0x1b8/0x28c)
[    2.422912] [<c0869e04>] (kernel_init_freeable) from [<c05dfd84>] (kernel_init+0x8/0xe4)
[    2.431396] [<c05dfd84>] (kernel_init) from [<c000e668>] (ret_from_fork+0x14/0x2c)
[    2.439361] Code: e1b02f23 020320f0 0203300f 01a02222 (0a000021)
[    2.445770] ---[ end trace 293fc95d463cff72 ]---
[    2.450683] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
[    2.450683]
[    2.460296] CPU0: stopping
[    2.463134] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G      D W      3.18.0-rc1-dirty #3
[    2.471405] [<c0015270>] (unwind_backtrace) from [<c00119b4>] (show_stack+0x10/0x14)
[    2.479522] [<c00119b4>] (show_stack) from [<c05e4afc>] (dump_stack+0x78/0x94)
[    2.487060] [<c05e4afc>] (dump_stack) from [<c001394c>] (handle_IPI+0x190/0x264)
[    2.494781] [<c001394c>] (handle_IPI) from [<c000871c>] (gic_handle_irq+0x58/0x60)
[    2.502716] [<c000871c>] (gic_handle_irq) from [<c05eb124>] (__irq_svc+0x44/0x5c)
[    2.510528] Exception stack(0xc08d1f60 to 0xc08d1fa8)
[    2.515808] 1f60: c000f15c 00000000 00000000 00000000 c08d0000 00000000 00000000 00000000
[    2.524353] 1f80: ffffffed c0978028 c08d89dc c08d8978 00000000 c08d1fa8 c000f15c c000f160
[    2.532897] 1fa0: 60000013 ffffffff
[    2.536529] [<c05eb124>] (__irq_svc) from [<c000f160>] (arch_cpu_idle+0x20/0x3c)
[    2.544281] [<c000f160>] (arch_cpu_idle) from [<c0077c54>] (cpu_startup_entry+0x198/0x338)
[    2.552917] [<c0077c54>] (cpu_startup_entry) from [<c0869be0>] (start_kernel+0x358/0x3c4)
[    2.561462] [<c0869be0>] (start_kernel) from [<80008074>] (0x80008074)
[    2.568298] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
[

Reported-by: Franklin Cooper Jr. <fcooper@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Ambresh K <ambresh@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-11-20 00:35:21 -07:00
Tomi Valkeinen
2cc84f46de ARM: OMAP4: fix RFBI iclk
RFBI iclk was set to point to hacky "dss_fck", which will be removed.
Instead use "l3_div_ck", which is the proper clock for this. "l3_div_ck"
is the parent of "dss_fck", so the clock rate is the same as previously.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit.taneja@gmail.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-11-19 16:41:56 -07:00
Tomi Valkeinen
7ede856161 ARM: OMAP4: hwmod: use MODULEMODE properly
Instead of using a hacky "dss_fck" clock (which toggles the MODULEMODE
bit) as DSS L3 interface clock, set the .modulemode field in the
omap44xx_dss_hwmod. This works now that the DSS core hwmod is enabled
during DSS submodule resets.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit.taneja@gmail.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-11-19 16:41:52 -07:00
Tomi Valkeinen
543b2847d4 ARM: OMAP4: hwmod: set DSS submodule parent hwmods
Set DSS core hwmod as the parent for all the DSS submodules.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit.taneja@gmail.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-11-19 16:41:49 -07:00
Tomi Valkeinen
9ed6965089 ARM: OMAP5: hwmod: set DSS submodule parent hwmods
Set DSS core hwmod as the parent for all the DSS submodules.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit.taneja@gmail.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-11-19 16:41:27 -07:00
Tomi Valkeinen
f22d254551 ARM: OMAP2+: hwmod: add parent_hwmod support
Add parent_hwmod pointer to omap_hwmod. This can be set to point to a
"parent" hwmod that needs to be enabled for the "child" hwmod to work.

This is used at hwmod setup time: when doing the initial setup and
reset, first enable the parent hwmod, and after setup and reset is done,
restore the parent hwmod to postsetup_state.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit.taneja@gmail.com>
[paul@pwsan.com: add kerneldoc documentation for parent_hwmod; note that it
 is a temporary workaround]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-11-19 14:48:12 -07:00
Sebastian Reichel
68a3c04330 [media] ARM: OMAP2: RX-51: update si4713 platform data
This updates platform data related to Si4713, which
has been updated to be compatible with DT interface.

Signed-off-by: Sebastian Reichel <sre@kernel.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-11-14 18:13:25 -02:00
Tony Lindgren
9889278181 Some OMAP clock/hwmod patches for v3.19.
Most of the patches are clock-related.  The DPLL implementation is
 changed to better align to the common clock framework.
 There is also a patch that removes a few lines from the hwmod code -
 this patch should have no functional effect.
 
 Basic build, boot, and PM test logs for these patches can be found here:
 
 http://www.pwsan.com/omap/testlogs/omap-a-for-v3.19/20141113094101/
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Merge tag 'for-v3.19/omap-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v3.19/soc

Some OMAP clock/hwmod patches for v3.19.

Most of the patches are clock-related.  The DPLL implementation is
changed to better align to the common clock framework.
There is also a patch that removes a few lines from the hwmod code -
this patch should have no functional effect.

Basic build, boot, and PM test logs for these patches can be found here:

http://www.pwsan.com/omap/testlogs/omap-a-for-v3.19/20141113094101/
2014-11-14 10:25:12 -08:00
Felipe Balbi
79005fbd3e ARM: OMAP2+: hwmod: drop unnecessary list initialization
ml->node and sl->node are currently initialized
by means of INIT_LIST_HEAD(). That initialiation
is followed by a list_add() call.

Looking at what both these functions do we will have:

	ml->node.next = &ml->node;
	ml->node.prev = &ml->node;
	oi->master->master_ports.next.prev = &ml->node;
	ml->node.next = &oi->master->master_ports.next;
	ml->node.prev = &oi->master->master_ports;
	oi->master->master_ports.next = &ml->node;

from this, it's clear that both INIT_LIST_HEAD() calls
are unnecessary and can be safely removed.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-11-13 09:36:55 -07:00
Tero Kristo
2e1a7b014f ARM: OMAP3+: DPLL: use determine_rate() and set_rate_and_parent()
Currently, DPLLs are hiding the gory details of switching parent
within set_rate, which confuses the common clock code and is wrong.
Fixed by applying the new determine_rate() and set_rate_and_parent()
functionality to any clock-ops previously using the broken approach.
This patch also removes the broken legacy code.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-11-13 09:26:45 -07:00
Tero Kristo
e3ab6013ab ARM: OMAP3: clock: add support for dpll4_set_rate_and_parent
Expand the support of omap4 per-dpll to provide set_rate_and_parent.
This is required for proper behavior of clk_change_rate with
determine_rate support.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-11-13 09:26:33 -07:00
Tero Kristo
83501ff0a5 ARM: OMAP4: clock: add support for determine_rate for omap4 regm4xen DPLL
Similarly to OMAP3 noncore DPLL, the implementation of this DPLL clock
type is wrong. This patch adds basic functionality for determine_rate
for this clock type which will be taken into use in the patches following
later.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-11-13 09:26:25 -07:00
Tero Kristo
d539efa37f ARM: OMAP3: clock: add new rate changing logic support for noncore DPLLs
Currently, DPLL code hides the re-parenting within its internals, which
is wrong. This needs to be exposed to the common clock code via
determine_rate and set_rate_and_parent APIs. This patch adds support
for these, which will be taken into use in the following patches.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-11-13 09:26:16 -07:00
Tero Kristo
f0d2f68a63 ARM: OMAP3: clock: use clk_features flags for omap3 DPLL4 checks
DPLL4 can't be reprogrammed on OMAP3430 ES1.0 due to hardware limitation.
Currently, the code does runtime omap_rev() check to see the chip it is
being executed on, instead, change this to use clk_features flags.
This avoids need for runtime omap_rev() checks.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-11-13 09:25:06 -07:00
Daniel Lezcano
b82b6cca48 cpuidle: Invert CPUIDLE_FLAG_TIME_VALID logic
The only place where the time is invalid is when the ACPI_CSTATE_FFH entry
method is not set. Otherwise for all the drivers, the time can be correctly
measured.

Instead of duplicating the CPUIDLE_FLAG_TIME_VALID flag in all the drivers
for all the states, just invert the logic by replacing it by the flag
CPUIDLE_FLAG_TIME_INVALID, hence we can set this flag only for the acpi idle
driver, remove the former flag from all the drivers and invert the logic with
this flag in the different governor.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-11-12 21:17:27 +01:00
Johan Hovold
f7b79c98b8 ARM: OMAP2+: clock: remove unused function prototype
Remove unused function prototype that was left by commit 149c09d3a6
("ARM: AM33xx: remove old clock data and link in new clock init code")
which removed the definition.

Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-11-12 07:21:11 -08:00
Enric Balletbo i Serra
d565b5f4e5 ARM: OMAP2+: igep00x0: Add pdata-quirks for the btwilink device.
Add btwilink device for IGEPv2 Rev. F and IGEP COM MODULE Rev. G.

Signed-off-by: Enric Balletbo i Serra <eballetbo@iseebcn.com>
Acked-by: Javier Martinez Canillas <javier@dowhile0.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-11-12 07:04:37 -08:00
Nishanth Menon
a30d81b98a ARM: OMAP4+: PM: Program CPU logic power state
CPU logic power state is never programmed in either the initialization
or the suspend/resume logic, instead, we depend on mpuss to program this
properly. However, this leaves CPU logic power state indeterminate and
most probably in reset configuration (If bootloader or other similar
software have'nt monkeyed with the register). This can make powerstate=
RET be either programmed for CSWR (logic=ret) or OSWR(logic = OFF) and
in OSWR, there can be context loss when the code does not expect it.

To prevent all these confusions, just support clearly ON, INA, CSWR,
OFF which is the intent of the existing code by explicitly programming
logic state.

NOTE: since this is a hot path (using in cpuidle), the exit path just
programs powerstate (logic state is immaterial when powerstate is ON).

Without doing this, we end up with lockups when CPUs enter OSWR and
multiple blocks loose context, when we expect them to hit CSWR.

Signed-off-by: Nishanth Menon <nm@ti.com>
Acked-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-11-10 16:02:05 -08:00
Nishanth Menon
b9f5fe6425 ARM: OMAP4+: PM: Centralize static dependency mapping table
As we add more static dependency mapping for various errata, the logic
gets clunkier. Since it is a simple lookup and map logic, centralize the
same and provide the mapping as  a simple list.

Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-11-10 16:01:40 -08:00
Nishanth Menon
9008d83fe9 ARM: OMAP4: PM: Only do static dependency configuration in omap4_init_static_deps
Commit 705814b5ea ("ARM: OMAP4+: PM: Consolidate OMAP4 PM code to
re-use it for OMAP5")

Moved logic generic for OMAP5+ as part of the init routine by
introducing omap4_pm_init. However, the patch left the powerdomain
initial setup, an unused omap4430 es1.0 check and a spurious log
"Power Management for TI OMAP4." in the original code.

Remove the duplicate code which is already present in omap4_pm_init from
omap4_init_static_deps.

As part of this change, also move the u-boot version print out of the
static dependency function to the omap4_pm_init function.

Fixes: 705814b5ea ("ARM: OMAP4+: PM: Consolidate OMAP4 PM code to re-use it for OMAP5")
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-11-10 16:01:28 -08:00
NeilBrown
7aff221c5d ARM: OMAP: serial: remove last vestige of DTR_gpio support.
These fields were added by:
commit 9574f36fb8
    OMAP/serial: Add support for driving a GPIO as DTR.

but not removed by

commit 985bfd54c8
    tty: serial: omap: remove some dead code

which reverted most of that commit.
Time to revert the rest.

Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-11-10 09:06:44 -08:00
Roger Quadros
b771ca920c ARM: OMAP2+: gpmc: Get rid of "ti,elm-id not found" warning
OMAP3 and lower SoCs don't have the ELM module so this warning
is annoying. Get rid of it.

Reported-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-11-10 09:00:10 -08:00
Mathieu Poirier
184901a06a ARM: removing support for etb/etm in "arch/arm/kernel/"
Removing minimal support for etb/etm to favour an implementation
that is more flexible, extensible and capable of handling more
platforms.

Also removing the only client of the old driver.  That code can
easily be replaced by entries for etb/etm in the device tree.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07 15:19:33 -08:00
Javier Martinez Canillas
6f8782a7a1 ARM: OMAP2+: Remove unnecesary include in GPMC driver
The GPMC driver includes arch/arm/mach-omap2/common.h but
does not use anything on that header so it can be removed.

Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-11-06 10:51:06 -08:00
Masanari Iida
d008d8e053 ARM: OMAP2: Remove unnecessary KERN_* in omap_phy_internal.c
This patch remove unnecessary KERN_INFO and KERN_ERR from omap_phy_internal.c.
Add pr_fmt.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-11-06 10:11:24 -08:00
Tony Lindgren
e7e42b9d2a ARM: OMAP4+: Remove unused omap_l3_noc platform init
Omap4 and later have been booting in device tree only
mode for quite some time now. This initcall is no longer
needed. Note that omap3 uses a different driver omap_l3_smx,
and the initcall for that one is still needed until omap3
boots in device tree only mode.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-11-05 12:17:10 -08:00
Tony Lindgren
aa25729cfd ARM: OMAP3: Fix errors for omap_l3_smx when booted with device tree
When booting omap3 in device tree mode, we're currently getting
the following errors:

omap_l3_smx omap_l3_smx.0: couldn't request debug irq
omap_l3_smx: probe of omap_l3_smx.0 failed with error -22

This is because we don't have handling in the driver for the
compatible property and instead assume platform data being
passed.

Note that this binding is already documented, and implemented
for the related omap_l3_noc driver for omap4 and later. Looks
like the binding somehow never got never implemented for this
omap_l3_smx driver though.

Let's also remove __exit_p to allow binding and unbinding
of the driver while at it.

Reported-by: Pavel Machek <pavel@ucw.cz>
Reported-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-11-05 09:23:14 -08:00
Tony Lindgren
1b383f44aa ARM: OMAP2+: Drop board file for 3430sdp
This board seems to be in use only for few automated
boot test system and has been booting in device tree
only mode for quite some time now.

So let's drop the board file for it.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-11-03 17:50:55 -08:00
Tony Lindgren
9e1e632c48 ARM: OMAP2+: Drop board file for ti8168evm
The 81xx support is known to be broken for quite some
time now because of missing patches. And it should be
using device tree based booting now anyways.

So let's just drop the board file for it.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-11-03 17:50:54 -08:00
Tony Lindgren
2dde3bccbf Merge branch 'for-v3.19/gpmc-omap' of github.com:rogerq/linux into omap-for-v3.19/gpmc
Conflicts:
	arch/arm/mach-omap2/gpmc.c
2014-11-03 17:45:36 -08:00
Tony Lindgren
8f5951172b ARM: OMAP2+: Drop legacy code for gpmc-smc91x.c
This code was only used by 2430sdp, 3430sdp, and n900 development
boards.

The 2430sdp is already device tree only, and all the users of the
3430sdp and n900 development boards are already booting in device
tree mode, so we can drop the legacy smc91x support.

Acked-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-11-03 17:45:01 -08:00
Tony Lindgren
9995772a6d ARM: OMAP2+: Require proper GPMC timings for devices
Now that we have timings in the .dts files for smc91x
and 8250, we can remove the device specific checks and
just print out the bootloader timings for devices that
may not have timings in the .dts files.

Acked-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-11-03 17:45:01 -08:00
Tony Lindgren
35ac051e01 ARM: OMAP2+: Show bootloader GPMC timings to allow configuring the .dts file
As we still have some devices with GPMC timings missing from the
.dts files, let's make it a bit easier to use the bootloader
values and print them out.

Note that we now need to move the parsing of the device tree provided
configuration a bit earlier so we can use that for checking if anything
was configured.

Acked-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-11-03 17:45:01 -08:00
Tony Lindgren
9ed7a776eb ARM: OMAP2+: Fix support for multiple devices on a GPMC chip select
There are cases where we have multiple device instances
connected to a single GPMC chip select. For example, there
are four UARTs on the Zoom debug boards that all share a
single chip select and a GPIO interrupt.

We do have support for this already in theory, but it's broken
because we're bailing out if the chip select is already taken.

To be able to provide checks on the chip select usage, let's
add new struct gpmc_cs_data so we can start using already
registered device names for checks.

Later on we probably want to start using struct gpmc_cs_data
as a wrapper for all the GPMC chipselect related data.

Acked-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-11-03 17:45:01 -08:00
Linus Torvalds
2084becbe1 ARM: SoC fixes for 3.8-rc3
A surprisingly small batch of fixes for -rc3. Suspiciously small, I'd say.
 
 Anyway, most of this are a few defconfig updates. Some for omap to deal
 with kernel binary size (moving ipv6 to module, etc). A larger one for
 socfpga that refreshes with some churn, but also turns on a few options
 that makes the newly-added board in my bootfarm usable for testing.
 
 OMAP3 will also now warn when booted with legacy (non-DT) boot protocols,
 hopefully encouraging those who still care about some of those platforms
 to submit DT support and report bugs where needed. Nothing stops working
 though, this is just to warn for future deprecation.
 
 Beyond this, very few actual bugfixes. A PXA fix for DEBUG_LL boot hangs,
 a missing terminting entry in a dt_match array on RealView a MTD fix on
 OMAP with NAND.
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Merge tag 'armsoc-for-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "A surprisingly small batch of fixes for -rc3.  Suspiciously small, I'd
  say.

  Anyway, most of this are a few defconfig updates.  Some for omap to
  deal with kernel binary size (moving ipv6 to module, etc).  A larger
  one for socfpga that refreshes with some churn, but also turns on a
  few options that makes the newly-added board in my bootfarm usable for
  testing.

  OMAP3 will also now warn when booted with legacy (non-DT) boot
  protocols, hopefully encouraging those who still care about some of
  those platforms to submit DT support and report bugs where needed.
  Nothing stops working though, this is just to warn for future
  deprecation.

  Beyond this, very few actual bugfixes.  A PXA fix for DEBUG_LL boot
  hangs, a missing terminting entry in a dt_match array on RealView a
  MTD fix on OMAP with NAND"

[ Obviously missed rc3, will make rc4 instead ;) ]

* tag 'armsoc-for-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  MAINTAINERS: drop list entry for davinci
  ARM: OMAP2+: Warn about deprecated legacy booting mode
  ARM: omap2plus_defconfig: Fix errors with NAND BCH
  ARM: multi_v7_defconfig: fix support for APQ8084
  soc: versatile: Add terminating entry for realview_soc_of_match
  ARM: ixp4xx: remove compilation warnings in io.h
  MAINTAINERS: Add Soren as reviewer for Zynq
  ARM: omap2plus_defconfig: Fix bloat caused by having ipv6 built-in
  ARM: socfpga_defconfig: Update defconfig for SoCFPGA
  ARM: pxa: fix hang on startup with DEBUG_LL
2014-11-03 14:07:05 -08:00
Tony Lindgren
7d2911c438 net: smc91x: Fix gpios for device tree based booting
With legacy booting, the platform init code was taking care of
the configuring of GPIOs. With device tree based booting, things
may or may not work depending what bootloader has configured or
if the legacy platform code gets called.

Let's add support for the pwrdn and reset GPIOs to the smc91x
driver to fix the issues of smc91x not working properly when
booted in device tree mode.

And let's change n900 to use these settings as some versions
of the bootloader do not configure things properly causing
errors.

Reported-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-10-31 15:54:18 -04:00
Roger Quadros
8bf9be566e ARM: OMAP2+: gpmc: Sanity check GPMC fck on probe
This prevents potential division by zero errors
if GPMC fck turns out to be zero due to faulty clock
data.

Use resource managed clk_get() API.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2014-10-30 17:21:55 +02:00
Roger Quadros
4cf27d2ec7 ARM: OMAP2+: gpmc: Keep Chip Select disabled while configuring it
As per the OMAP reference manual [1], the Chip Select must be
disabled (i.e. CSVALID is 0) while configuring any of the
Chip select parameters.

[1] - 10.1.5.1 Chip-Select Base Address and Region Size Configuration
http://www.ti.com/lit/pdf/swpu177

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2014-10-30 17:21:46 +02:00
Roger Quadros
e378d22b9c ARM: OMAP2+: gpmc: Always enable A26-A11 for non NAND devices
Although RESET state of LIMITEDADDRESS bit in GPMC_CONFIG register
is 0 (i.e. A26-A11 enabled), faulty bootloaders might accidentally
set this bit. e.g. u-boot 2014.07 with CONFIG_NOR disabled.

Explicity disable LIMITEDADDRESS bit for non NAND devices so that
they can always work.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2014-10-30 17:21:08 +02:00
Roger Quadros
7604baf365 ARM: OMAP2+: gpmc: Error out if timings fail in gpmc_probe_generic_child()
gpmc_cs_set_timings() returns non-zero if there was
an error while setting the GPMC timings. e.g. Timing was too
large to be accomodated with current GPMC clock frequency and available
timing range. Fail in this case, else we risk operating a NOR device
with non compliant timings.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2014-10-30 17:20:58 +02:00
Roger Quadros
80323742ea ARM: OMAP2+: gpmc: Print error message in set_gpmc_timing_reg()
Simplify set_gpmc_timing_reg() and always print error message
if the requested timing cannot be achieved due to a too fast
GPMC functional clock, irrespective if whether DEBUG is defined
or not. This should help us debug timing configuration issues,
which were otherwise simply not being displayed in the kernel log.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2014-10-30 17:20:18 +02:00
Tony Lindgren
4b91f7f3c8 ARM: OMAP2+: Warn about deprecated legacy booting mode
We're moving omaps to use device tree based booting and already have
omap2, omap4, omap5, am335x and am437x booting in device tree only
mode.

Only omap3 still has legacy booting still around and we really want
to make that device tree only. So let's add a warning about deprecated
legacy booting so we get people to upgrade their boards to use device
tree based booting and find out about any remaining issues.

Note that for most boards we already have the .dts file and those can
be booted with without changing the bootloader using the appended
DTB mode.

Acked-By: Sebastian Reichel <sre@kernel.org>
Reviewed-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Reviewed-by: Javier Martinez Canillas <javier@dowhile0.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-10-29 12:19:20 -07:00
Tero Kristo
61c8621e2b ARM: OMAP2+: PRM: provide generic API for system reset
This patch combines the various prm_warm_reset calls under a common
API prm_reset_system, and adds the SoC specific implementation under
prm_ll_data.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-10-27 08:39:26 -07:00
Tero Kristo
4984eeaf71 ARM: OMAP3+: PRM: add generic API for reconfiguring I/O chain
This adds a generic API for reconfiguring the I/O chain. The implementation
will call the SoC specific function registered during init time. The SoC
specific reconfigure functions are also made static, as they don't need
to be accessed outside the PRM driver itself.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Tested-by: Nishanth Menon <nm@ti.com>
[tony@atomide.com: updated for recent omap3 prcm fixes]
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-10-27 08:39:26 -07:00
Tero Kristo
28db51f428 ARM: OMAP4: PRM: make PRCM interrupt handler related functions static
These are not needed outside the PRM driver, so make them static and
remove the prototypes from the public header.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-10-27 08:39:26 -07:00
Tero Kristo
c8e069d7a6 ARM: OMAP3: PRM: make PRCM interrupt handler related functions static
These are not needed outside the PRM driver, so make them static and
remove the prototypes from the public header.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-10-27 08:39:26 -07:00
Tero Kristo
f3f220f046 ARM: OMAP4: PRM: make omap4_prm_read/write_inst_reg calls static
These are not (and should not be) used by anybody outside the PRM
driver itself.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-10-27 08:39:26 -07:00
Tero Kristo
85d6670f1b ARM: AM33xx: PRM: make direct register access functions static
These should not be accessed outside driver, thus removed the APIs
from the header file and made the implementation static.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-10-27 08:39:25 -07:00
Tero Kristo
840b7eb834 ARM: AM33xx: PRM: move global warm reset implementation to driver
Moved the implementation from am33xx-restart.c to the prm33xx.c file to
isolate the PRM register accesses to be private for PRM driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-10-27 08:39:25 -07:00
Tero Kristo
88f9474f18 ARM: OMAP4+: CM: remove omap4_cm1/cm2_* functions
These are not used for anything, so remove both the implementations and
header file references.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-10-27 08:39:25 -07:00
Tero Kristo
4215afaf3d ARM: OMAP4: CM: make cminst direct register access functions static
These shall not be accessed outside the CM driver. This also removes the
need for the cminst44xx.h header.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-10-27 08:39:25 -07:00
Tero Kristo
ab6c9bbf28 ARM: OMAP4: CM: move public definitions from cminst44xx.h to cm44xx.h
cminst44xx.h will be removed, thus move the public APIs to cm44xx.h header.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-10-27 08:39:25 -07:00
Tero Kristo
1bc28b3472 ARM: OMAP2+: PRM: add generic API for checking hardreset status
PRM driver now has a generic API for checking hardreset status. SoC
specific support functions are registered through the prm_ll_data.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-10-27 08:39:25 -07:00
Tero Kristo
37fb59d7e0 ARM: OMAP2+: PRM: add generic API for deasserting hardware reset
PRM driver now has a generic API for deasserting hardware resets. SoC
specific support functions are registered through the prm_ll_data.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-10-27 08:39:25 -07:00
Tero Kristo
efd44dc35f ARM: OMAP2+: PRM: add generic API for asserting hardware reset
PRM driver now has a generic API for asserting hardware resets. SoC
specific support functions are registered through the prm_ll_data.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-10-27 08:39:24 -07:00
Tero Kristo
d9bbe84f67 ARM: AM33xx: PRM: add support for prm_init
Added support for prm_init for AM33xx SoC. This is needed to register
SoC specific prm_ll_data for these devices.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-10-27 08:39:24 -07:00
Tero Kristo
409d706323 ARM: AM43xx: hwmod: use OMAP4 hardreset ops instead of the AM33xx version
AM43xx is using OMAP4+ PRM driver, so it should be using the corresponding
hardreset ops from the hwmod also.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-10-27 08:39:24 -07:00
Tero Kristo
05d2b09329 ARM: AM33xx: hwmod: remove am33xx specific module SoC opts
These are now identical with the OMAP4 implementations, so use the OMAP4
versions and remove the AM33xx ones.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-10-27 08:39:24 -07:00
Tero Kristo
2196a9b84a ARM: OMAP2/3: CM: make cm_split_idlest_reg SoC calls static
CM driver has a generic API which calls the SoC specific split function
through cm_ll_data, so there is no need for the SoC specific functions to
be publicly available.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-10-27 08:39:24 -07:00
Tero Kristo
128603f05a ARM: OMAP2+: CM: add common APIs for cm_module_enable/disable
Adds a generic CM driver API for enabling/disabling modules.
The SoC specific implementations are registered through cm_ll_data.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-10-27 08:39:24 -07:00
Tero Kristo
f2650d6e4f ARM: OMAP2+: CM: make clkdm_hwsup operations static
These are not accessed outside the cm*.c files themselves, so make them
static.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-10-27 08:39:24 -07:00
Tero Kristo
a8ae5afa5c ARM: OMAP4+/AM33xx: CM: add common API for cm_wait_module_idle
Adds a generic CM driver API for waiting module to enter idle / standby.
The SoC specific implementations are registered through cm_ll_data.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-10-27 08:39:23 -07:00
Tero Kristo
021b6ff05c ARM: OMAP2+: CM: add common API for cm_wait_module_ready
This patch consolidates the parameters provided for the SoC specific
cm_*_wait_module_ready calls, adds the missing cm_ll_data function
pointers and uses the now generic call from the mach-omap2 board code.
SoC specific *_wait_module_ready calls are also made static so they
can only be accessed through the generic CM driver API only.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-10-27 08:39:23 -07:00
Tero Kristo
7632a02f80 ARM: OMAP4/AM33xx: add cm_init / cm_exit calls for AM33xx and OMAP4+
This is needed for expanding the generic CM driver API to include
AM33xx and OMAP4 also.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-10-27 08:39:23 -07:00
Tero Kristo
9907f85eb2 ARM: AM33xx/OMAP4+: CM: remove cdoffs parameter from wait_module_idle/ready
This is not needed for anything. This also eases the consolidation of
the wait_module_ready / wait_module_idle calls behind a generic CM
driver API by reducing the number of needed parameters.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-10-27 08:39:23 -07:00
Tero Kristo
9002e921aa ARM: OMAP2/3: hwmod: merge wait_target_ready functions for omap2/3
The implementation on these is identical, so no need to have them separate.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-10-27 08:39:23 -07:00
Tero Kristo
8843b119ed ARM: AM43XX: PRM: use OMAP4 PRM driver
AM43xx will be re-using OMAP4 PRM driver, thus call its init function.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-10-27 08:39:23 -07:00
Tero Kristo
3381eb47f3 ARM: DRA7: PRM: add voltage processor check behind a prm_feature flag
This is done in attempt to get rid of cpu_is_X calls from the PRM core.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-10-27 08:39:23 -07:00
Linus Torvalds
511c41d9e6 MTD updates for 3.18
NAND
  * Cleanup for Denali driver
  * Atmel: add support for new page sizes
  * Atmel: fix up 'raw' mode support
  * Atmel: miscellaneous cleanups
  * New timing mode helpers for non-ONFI NAND
  * OMAP: allow driver to be (properly) built as a module
  * bcm47xx: RESET support and other cleanups
 
 SPI NOR
  * Miscellaneous cleanups, to prepare framework for wider use (some further
    work still pending)
  * Compile-time configuration to select 4K vs. 64K support for flash that
    support both (necessary for using UBIFS on some SPI NOR)
 
 A few scattered code quality fixes, detected by Coverity
 
 See the changesets for more.
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Merge tag 'for-linus-20141015' of git://git.infradead.org/linux-mtd

Pull MTD update from Brian Norris:
 "Sorry for delaying this a bit later than usual.  There's one mild
  regression from 3.16 that was noticed during the 3.17 cycle, and I
  meant to send a fix for it along with this pull request.  I'll
  probably try to queue it up for a later pull request once I've had a
  better look at it, hopefully by -rc2 at the latest.

  Summary for this pull:

  NAND
   - Cleanup for Denali driver
   - Atmel: add support for new page sizes
   - Atmel: fix up 'raw' mode support
   - Atmel: miscellaneous cleanups
   - New timing mode helpers for non-ONFI NAND
   - OMAP: allow driver to be (properly) built as a module
   - bcm47xx: RESET support and other cleanups

  SPI NOR
   - Miscellaneous cleanups, to prepare framework for wider use (some
     further work still pending)
   - Compile-time configuration to select 4K vs.  64K support for flash
     that support both (necessary for using UBIFS on some SPI NOR)

  A few scattered code quality fixes, detected by Coverity

  See the changesets for more"

* tag 'for-linus-20141015' of git://git.infradead.org/linux-mtd: (59 commits)
  mtd: nand: omap: Correct CONFIG_MTD_NAND_OMAP_BCH help message
  mtd: nand: Force omap_elm to be built as a module if omap2_nand is a module
  mtd: move support for struct flash_platform_data into m25p80
  mtd: spi-nor: add Kconfig option to disable 4K sectors
  mtd: nand: Move ELM driver and rename as omap_elm
  nand: omap2: Replace pr_err with dev_err
  nand: omap2: Remove horrible ifdefs to fix module probe
  mtd: nand: add Hynix's H27UCG8T2ATR-BC to nand_ids table
  mtd: nand: support ONFI timing mode retrieval for non-ONFI NANDs
  mtd: physmap_of: Add non-obsolete map_rom probe
  mtd: physmap_of: Fix ROM support via OF
  MAINTAINERS: add l2-mtd.git, 'next' tree for MTD
  mtd: denali: fix indents and other trivial things
  mtd: denali: remove unnecessary parentheses
  mtd: denali: remove another set-but-unused variable
  mtd: denali: fix include guard and license block of denali.h
  mtd: nand: don't break long print messages
  mtd: bcm47xxnflash: replace some magic numbers
  mtd: bcm47xxnflash: NAND_CMD_RESET support
  mtd: bcm47xxnflash: add cmd_ctrl handler
  ...
2014-10-18 11:48:03 -07:00
Linus Torvalds
c0fa2373f8 The clk tree changes for 3.18 are dominated by clock drivers. Mostly
fixes and enhancements to existing drivers as well as new drivers. This
 tag contains a bit more arch code than I usually take due to some OMAP2+
 changes. Additionally it contains the restart notifier handlers which
 are merged as a dependency into several trees.
 
 The PXA changes are the only messy part. Due to having a stable tree I
 had to revert one patch and follow up with one more fix near the tip of
 this tag. Some dead code is introduced but it will soon become live code
 after 3.18-rc1 is released as the rest of the PXA family is converted
 over to the common clock framework.
 
 Another trend in this tag is that multiple vendors have started to push
 the complexity of changing their CPU frequency into the clock driver,
 whereas this used to be done in CPUfreq drivers.
 
 Changes to the clk core include a generic gpio-clock type and a
 clk_set_phase() function added to the top-level clk.h api. Due to some
 confusion on the fbdev mailing list the kernel boot parameters
 documentation was updated to further explain the clk_ignore_unused
 parameter, which is often required by users of the simplefb driver.
 Finally some fixes to the locking around the clock debugfs stuff was
 done to prevent deadlocks when interacting with other subsystems.
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Merge tag 'clk-for-linus-3.18' of git://git.linaro.org/people/mike.turquette/linux

Pull clock tree updates from Mike Turquette:
 "The clk tree changes for 3.18 are dominated by clock drivers.  Mostly
  fixes and enhancements to existing drivers as well as new drivers.
  This tag contains a bit more arch code than I usually take due to some
  OMAP2+ changes.  Additionally it contains the restart notifier
  handlers which are merged as a dependency into several trees.

  The PXA changes are the only messy part.  Due to having a stable tree
  I had to revert one patch and follow up with one more fix near the tip
  of this tag.  Some dead code is introduced but it will soon become
  live code after 3.18-rc1 is released as the rest of the PXA family is
  converted over to the common clock framework.

  Another trend in this tag is that multiple vendors have started to
  push the complexity of changing their CPU frequency into the clock
  driver, whereas this used to be done in CPUfreq drivers.

  Changes to the clk core include a generic gpio-clock type and a
  clk_set_phase() function added to the top-level clk.h api.  Due to
  some confusion on the fbdev mailing list the kernel boot parameters
  documentation was updated to further explain the clk_ignore_unused
  parameter, which is often required by users of the simplefb driver.

  Finally some fixes to the locking around the clock debugfs stuff was
  done to prevent deadlocks when interacting with other subsystems."

* tag 'clk-for-linus-3.18' of git://git.linaro.org/people/mike.turquette/linux: (99 commits)
  clk: pxa clocks build system fix
  Revert "arm: pxa: Transition pxa27x to clk framework"
  clk: samsung: register restart handlers for s3c2412 and s3c2443
  clk: rockchip: add restart handler
  clk: rockchip: rk3288: i2s_frac adds flag to set parent's rate
  doc/kernel-parameters.txt: clarify clk_ignore_unused
  arm: pxa: Transition pxa27x to clk framework
  dts: add devicetree bindings for pxa27x clocks
  clk: add pxa27x clock drivers
  arm: pxa: add clock pll selection bits
  clk: dts: document pxa clock binding
  clk: add pxa clocks infrastructure
  clk: gpio-gate: Ensure gpiod_ APIs are prototyped
  clk: ti: dra7-atl-clock: Mark the device as pm_runtime_irq_safe
  clk: ti: LLVMLinux: Move __init outside of type definition
  clk: ti: consider the fact that of_clk_get() might return an error
  clk: ti: dra7-atl-clock: fix a memory leak
  clk: ti: change clock init to use generic of_clk_init
  clk: hix5hd2: add I2C clocks
  clk: hix5hd2: add watchdog0 clocks
  ...
2014-10-15 07:05:03 +02:00
Linus Torvalds
b528392669 ACPI and power management updates for 3.18-rc1
- Rework the handling of wakeup IRQs by the IRQ core such that
    all of them will be switched over to "wakeup" mode in
    suspend_device_irqs() and in that mode the first interrupt
    will abort system suspend in progress or wake up the system
    if already in suspend-to-idle (or equivalent) without executing
    any interrupt handlers.  Among other things that eliminates the
    wakeup-related motivation to use the IRQF_NO_SUSPEND interrupt
    flag with interrupts which don't really need it and should not
    use it (Thomas Gleixner and Rafael J Wysocki).
 
  - Switch over ACPI to handling wakeup interrupts with the help
    of the new mechanism introduced by the above IRQ core rework
    (Rafael J Wysocki).
 
  - Rework the core generic PM domains code to eliminate code that's
    not used, add DT support and add a generic mechanism by which
    devices can be added to PM domains automatically during
    enumeration (Ulf Hansson, Geert Uytterhoeven and Tomasz Figa).
 
  - Add debugfs-based mechanics for debugging generic PM domains
    (Maciej Matraszek).
 
  - ACPICA update to upstream version 20140828.  Included are updates
    related to the SRAT and GTDT tables and the _PSx methods are in
    the METHOD_NAME list now (Bob Moore and Hanjun Guo).
 
  - Add _OSI("Darwin") support to the ACPI core (unfortunately, that
    can't really be done in a straightforward way) to prevent
    Thunderbolt from being turned off on Apple systems after boot
    (or after resume from system suspend) and rework the ACPI Smart
    Battery Subsystem (SBS) driver to work correctly with Apple
    platforms (Matthew Garrett and Andreas Noever).
 
  - ACPI LPSS (Low-Power Subsystem) driver update cleaning up the
    code, adding support for 133MHz I2C source clock on Intel Baytrail
    to it and making it avoid using UART RTS override with Auto Flow
    Control (Heikki Krogerus).
 
  - ACPI backlight updates removing the video_set_use_native_backlight
    quirk which is not necessary any more, making the code check the
    list of output devices returned by the _DOD method to avoid
    creating acpi_video interfaces that won't work and adding a quirk
    for Lenovo Ideapad Z570 (Hans de Goede, Aaron Lu and Stepan Bujnak).
 
  - New Win8 ACPI OSI quirks for some Dell laptops (Edward Lin).
 
  - Assorted ACPI code cleanups (Fabian Frederick, Rasmus Villemoes,
    Sudip Mukherjee, Yijing Wang, and Zhang Rui).
 
  - cpufreq core updates and cleanups (Viresh Kumar, Preeti U Murthy,
    Rasmus Villemoes).
 
  - cpufreq driver updates: cpufreq-cpu0/cpufreq-dt (driver name
    change among other things), ppc-corenet, powernv (Viresh Kumar,
    Preeti U Murthy, Shilpasri G Bhat, Lucas Stach).
 
  - cpuidle support for DT-based idle states infrastructure, new
    ARM64 cpuidle driver, cpuidle core cleanups (Lorenzo Pieralisi,
    Rasmus Villemoes).
 
  - ARM big.LITTLE cpuidle driver updates: support for DT-based
    initialization and Exynos5800 compatible string (Lorenzo Pieralisi,
    Kevin Hilman).
 
  - Rework of the test_suspend kernel command line argument and
    a new trace event for console resume (Srinivas Pandruvada,
    Todd E Brandt).
 
  - Second attempt to optimize swsusp_free() (hibernation core) to
    make it avoid going through all PFNs which may be way too slow on
    some systems (Joerg Roedel).
 
  - devfreq updates (Paul Bolle, Punit Agrawal, Ãrjan Eide).
 
  - rockchip-io Adaptive Voltage Scaling (AVS) driver and AVS
    entry update in MAINTAINERS (Heiko Stübner, Kevin Hilman).
 
  - PM core fix related to clock management (Geert Uytterhoeven).
 
  - PM core's sysfs code cleanup (Johannes Berg).
 
 /
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Merge tag 'pm+acpi-3.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI and power management updates from Rafael Wysocki:
 "Features-wise, to me the most important this time is a rework of
  wakeup interrupts handling in the core that makes them work
  consistently across all of the available sleep states, including
  suspend-to-idle.  Many thanks to Thomas Gleixner for his help with
  this work.

  Second is an update of the generic PM domains code that has been in
  need of some care for quite a while.  Unused code is being removed, DT
  support is being added and domains are now going to be attached to
  devices in bus type code in analogy with the ACPI PM domain.  The
  majority of work here was done by Ulf Hansson who also has been the
  most active developer this time.

  Apart from this we have a traditional ACPICA update, this time to
  upstream version 20140828 and a few ACPI wakeup interrupts handling
  patches on top of the general rework mentioned above.  There also are
  several cpufreq commits including renaming the cpufreq-cpu0 driver to
  cpufreq-dt, as this is what implements generic DT-based cpufreq
  support, and a new DT-based idle states infrastructure for cpuidle.

  In addition to that, the ACPI LPSS driver is updated, ACPI support for
  Apple machines is improved, a few bugs are fixed and a few cleanups
  are made all over.

  Finally, the Adaptive Voltage Scaling (AVS) subsystem now has a tree
  maintained by Kevin Hilman that will be merged through the PM tree.

  Numbers-wise, the generic PM domains update takes the lead this time
  with 32 non-merge commits, second is cpufreq (15 commits) and the 3rd
  place goes to the wakeup interrupts handling rework (13 commits).

  Specifics:

   - Rework the handling of wakeup IRQs by the IRQ core such that all of
     them will be switched over to "wakeup" mode in suspend_device_irqs()
     and in that mode the first interrupt will abort system suspend in
     progress or wake up the system if already in suspend-to-idle (or
     equivalent) without executing any interrupt handlers.  Among other
     things that eliminates the wakeup-related motivation to use the
     IRQF_NO_SUSPEND interrupt flag with interrupts which don't really
     need it and should not use it (Thomas Gleixner and Rafael Wysocki)

   - Switch over ACPI to handling wakeup interrupts with the help of the
     new mechanism introduced by the above IRQ core rework (Rafael Wysocki)

   - Rework the core generic PM domains code to eliminate code that's
     not used, add DT support and add a generic mechanism by which
     devices can be added to PM domains automatically during enumeration
     (Ulf Hansson, Geert Uytterhoeven and Tomasz Figa).

   - Add debugfs-based mechanics for debugging generic PM domains
     (Maciej Matraszek).

   - ACPICA update to upstream version 20140828.  Included are updates
     related to the SRAT and GTDT tables and the _PSx methods are in the
     METHOD_NAME list now (Bob Moore and Hanjun Guo).

   - Add _OSI("Darwin") support to the ACPI core (unfortunately, that
     can't really be done in a straightforward way) to prevent
     Thunderbolt from being turned off on Apple systems after boot (or
     after resume from system suspend) and rework the ACPI Smart Battery
     Subsystem (SBS) driver to work correctly with Apple platforms
     (Matthew Garrett and Andreas Noever).

   - ACPI LPSS (Low-Power Subsystem) driver update cleaning up the code,
     adding support for 133MHz I2C source clock on Intel Baytrail to it
     and making it avoid using UART RTS override with Auto Flow Control
     (Heikki Krogerus).

   - ACPI backlight updates removing the video_set_use_native_backlight
     quirk which is not necessary any more, making the code check the
     list of output devices returned by the _DOD method to avoid
     creating acpi_video interfaces that won't work and adding a quirk
     for Lenovo Ideapad Z570 (Hans de Goede, Aaron Lu and Stepan Bujnak)

   - New Win8 ACPI OSI quirks for some Dell laptops (Edward Lin)

   - Assorted ACPI code cleanups (Fabian Frederick, Rasmus Villemoes,
     Sudip Mukherjee, Yijing Wang, and Zhang Rui)

   - cpufreq core updates and cleanups (Viresh Kumar, Preeti U Murthy,
     Rasmus Villemoes)

   - cpufreq driver updates: cpufreq-cpu0/cpufreq-dt (driver name change
     among other things), ppc-corenet, powernv (Viresh Kumar, Preeti U
     Murthy, Shilpasri G Bhat, Lucas Stach)

   - cpuidle support for DT-based idle states infrastructure, new ARM64
     cpuidle driver, cpuidle core cleanups (Lorenzo Pieralisi, Rasmus
     Villemoes)

   - ARM big.LITTLE cpuidle driver updates: support for DT-based
     initialization and Exynos5800 compatible string (Lorenzo Pieralisi,
     Kevin Hilman)

   - Rework of the test_suspend kernel command line argument and a new
     trace event for console resume (Srinivas Pandruvada, Todd E Brandt)

   - Second attempt to optimize swsusp_free() (hibernation core) to make
     it avoid going through all PFNs which may be way too slow on some
     systems (Joerg Roedel)

   - devfreq updates (Paul Bolle, Punit Agrawal, Ãrjan Eide).

   - rockchip-io Adaptive Voltage Scaling (AVS) driver and AVS entry
     update in MAINTAINERS (Heiko Stübner, Kevin Hilman)

   - PM core fix related to clock management (Geert Uytterhoeven)

   - PM core's sysfs code cleanup (Johannes Berg)"

* tag 'pm+acpi-3.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (105 commits)
  ACPI / fan: printk replacement
  PM / clk: Fix crash in clocks management code if !CONFIG_PM_RUNTIME
  PM / Domains: Rename cpu_data to cpuidle_data
  cpufreq: cpufreq-dt: fix potential double put of cpu OF node
  cpufreq: cpu0: rename driver and internals to 'cpufreq_dt'
  PM / hibernate: Iterate over set bits instead of PFNs in swsusp_free()
  cpufreq: ppc-corenet: remove duplicate update of cpu_data
  ACPI / sleep: Rework the handling of ACPI GPE wakeup from suspend-to-idle
  PM / sleep: Rename platform suspend/resume functions in suspend.c
  PM / sleep: Export dpm_suspend_late/noirq() and dpm_resume_early/noirq()
  ACPICA: Introduce acpi_enable_all_wakeup_gpes()
  ACPICA: Clear all non-wakeup GPEs in acpi_hw_enable_wakeup_gpe_block()
  ACPI / video: check _DOD list when creating backlight devices
  PM / Domains: Move dev_pm_domain_attach|detach() to pm_domain.h
  cpufreq: Replace strnicmp with strncasecmp
  cpufreq: powernv: Set the cpus to nominal frequency during reboot/kexec
  cpufreq: powernv: Set the pstate of the last hotplugged out cpu in policy->cpus to minimum
  cpufreq: Allow stop CPU callback to be used by all cpufreq drivers
  PM / devfreq: exynos: Enable building exynos PPMU as module
  PM / devfreq: Export helper functions for drivers
  ...
2014-10-09 16:07:43 -04:00
Linus Torvalds
8b45bc892e ARM: SoC driver updates for 3.18
These are changes for drivers that are intimately tied to some SoC
 and for some reason could not get merged through the respective
 subsystem maintainer tree.
 
 Most of the new code is for the Keystone Navigator driver, which is
 new base support that is going to be needed for their hardware
 accelerated network driver and other units.
 
 Most of the commits are for moving old code around from at91 and omap
 for things that are done in device drivers nowadays.
 
 - at91: move reset, poweroff, memory and clocksource code into drivers
   directories
 - socfpga: add edac driver (through arm-soc, as requested by Boris)
 - omap: move omap-intc code to drivers/irqchip
 - sunxi: added an RTC driver for sun6i
 - omap: mailbox driver related changes
 - keystone: support for the "Navigator" component
 - versatile: new reboot, led and soc drivers
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Merge tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver updates from Arnd Bergmann:
 "These are changes for drivers that are intimately tied to some SoC and
  for some reason could not get merged through the respective subsystem
  maintainer tree.

  Most of the new code is for the Keystone Navigator driver, which is
  new base support that is going to be needed for their hardware
  accelerated network driver and other units.

  Most of the commits are for moving old code around from at91 and omap
  for things that are done in device drivers nowadays.

   - at91: move reset, poweroff, memory and clocksource code into
     drivers directories
   - socfpga: add edac driver (through arm-soc, as requested by Boris)
   - omap: move omap-intc code to drivers/irqchip
   - sunxi: added an RTC driver for sun6i
   - omap: mailbox driver related changes
   - keystone: support for the "Navigator" component
   - versatile: new reboot, led and soc drivers"

* tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (92 commits)
  bus: arm-ccn: Fix spurious warning message
  leds: add device tree bindings for register bit LEDs
  soc: add driver for the ARM RealView
  power: reset: driver for the Versatile syscon reboot
  leds: add a driver for syscon-based LEDs
  drivers/soc: ti: fix build break with modules
  MAINTAINERS: Add Keystone Multicore Navigator drivers entry
  soc: ti: add Keystone Navigator DMA support
  Documentation: dt: soc: add Keystone Navigator DMA bindings
  soc: ti: add Keystone Navigator QMSS driver
  Documentation: dt: soc: add Keystone Navigator QMSS bindings
  rtc: sunxi: Depend on platforms sun4i/sun7i that actually have the rtc
  rtc: sun6i: Add sun6i RTC driver
  irqchip: omap-intc: remove unnecessary comments
  irqchip: omap-intc: correct maximum number or MIR registers
  irqchip: omap-intc: enable TURBO idle mode
  irqchip: omap-intc: enable IP protection
  irqchip: omap-intc: remove unnecesary of_address_to_resource() call
  irqchip: omap-intc: comment style cleanup
  irqchip: omap-intc: minor improvement to omap_irq_pending()
  ...
2014-10-08 17:37:16 -04:00
Linus Torvalds
eb785bef68 ARM: SoC DT updates for 3.18
As usual, this is the largest branch, though this time a little under
 half of the total changes with 307 individual non-merge changesets.
 
 The largest changes are the addition of new machines, in particular
 the Tegra based Chromebook, the Renesas r8a7794 SoC, and DT support
 for the old i.MX1 platform.
 
 Other changes include
 - at91: various sam9 and sama5 updates
 - exynos: much extended Peach Pi/Pit (Chromebook 2) support
 - keystone: new peripherals
 - meson: added DT for meson6 SoC
 - mvebu: new device support for Armada 370/375
 - qcom: improved support for IPQ8064 and MSM8x60
 - rockchip: much improved support for rk3288
 - shmobile: lots of updates all over the place
 - sunxi: dts license change
 - sunxi: more a23 device support
 - vexpress: CLCD DT description
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Merge tag 'dt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC DT updates from Arnd Bergmann:
 "As usual, this is the largest branch, though this time a little under
  half of the total changes with 307 individual non-merge changesets.

  The largest changes are the addition of new machines, in particular
  the Tegra based Chromebook, the Renesas r8a7794 SoC, and DT support
  for the old i.MX1 platform.

  Other changes include
   - at91: various sam9 and sama5 updates
   - exynos: much extended Peach Pi/Pit (Chromebook 2) support
   - keystone: new peripherals
   - meson: added DT for meson6 SoC
   - mvebu: new device support for Armada 370/375
   - qcom: improved support for IPQ8064 and MSM8x60
   - rockchip: much improved support for rk3288
   - shmobile: lots of updates all over the place
   - sunxi: dts license change
   - sunxi: more a23 device support
   - vexpress: CLCD DT description"

* tag 'dt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (308 commits)
  ARM: DTS: meson: update DTSI to add watchdog node
  ARM: dts: keystone-k2l: fix mdio io start address
  ARM: dts: keystone-k2e: fix mdio io start address
  ARM: dts: keystone-k2e: update usb1 node for dma properties
  ARM: dts: keystone: fix io range for usb_phy0
  Revert "Merge tag 'hix5hd2-dt-for-3.18' of git://github.com/hisilicon/linux-hisi into next/dt"
  Revert "ARM: dts: hix5hd2: add wdg node"
  ARM: dts: add rk3288 i2s controller
  ARM: vexpress: Add CLCD Device Tree properties
  ARM: bcm2835: add I2S pinctrl to device tree
  ARM: meson: documentation: add bindings documentation
  ARM: meson: dts: add basic Meson/Meson6/Meson6-atv1200 DTSI/DTS
  ARM: dts: mt6589: Change compatible string for GIC
  ARM: dts: mediatek: Add compatible property for aquaris5
  ARM: dts: mt6589-aquaris5: Add boot argument earlyprintk
  ARM: dts: mt6589: Fix typo in GIC unit address
  ARM: dts: Build dtb for Mediatek board
  ARM: dts: keystone: fix bindings for pcie and usb clock nodes
  ARM: dts: keystone: k2l: Fix chip selects for SPI devices
  ARM: dts: keystone: add dsp gpio controllers nodes
  ...
2014-10-08 17:22:23 -04:00
Linus Torvalds
cf377ad7d4 ARM: SoC platform changes for 3.18
New and updated SoC support. Among the things new for this release are:
 
 - at91: Added support for the new SAMA5D4 SoC, following the earlier SAMA5D3
 - bcm: Added support for BCM63XX family of DSL SoCs
 - hisi: Added support for HiP04 server-class SoC
 - meson: Initial support for the Amlogic Meson6 (aka 8726MX) platform
 - shmobile: added support for new r8a7794 (R-Car E2) automotive SoC
 
 Noteworthy changes to existing SoC support are:
 
 - imx: convert i.MX1 to device tree
 - omap: lots of power management work
 - omap: base support to enable moving to standard UART driver
 - shmobile: lots of progress for multiplatform support, still ongoing
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Merge tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform changes from Arnd Bergmann:
 "New and updated SoC support.  Among the things new for this release
  are:

   - at91: Added support for the new SAMA5D4 SoC, following the earlier
     SAMA5D3
   - bcm: Added support for BCM63XX family of DSL SoCs
   - hisi: Added support for HiP04 server-class SoC
   - meson: Initial support for the Amlogic Meson6 (aka 8726MX) platform
   - shmobile: added support for new r8a7794 (R-Car E2) automotive SoC

  Noteworthy changes to existing SoC support are:

   - imx: convert i.MX1 to device tree
   - omap: lots of power management work
   - omap: base support to enable moving to standard UART driver
   - shmobile: lots of progress for multiplatform support, still
     ongoing"

* tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (171 commits)
  ARM: hisi: depend on ARCH_MULTI_V7
  CNS3xxx: Fix debug UART.
  ARM: at91: fix nommu build regression
  ARM: meson: add basic support for MesonX SoCs
  ARM: meson: debug: add debug UART for earlyprintk support
  irq: Export handle_fasteoi_irq
  ARM: mediatek: Add earlyprintk support for mt6589
  ARM: hisi: Fix platmcpm compilation when ARMv6 is selected
  ARM: debug: fix alphanumerical order on debug uarts
  ARM: at91: document Atmel SMART compatibles
  ARM: at91: add sama5d4 support to sama5_defconfig
  ARM: at91: dt: add device tree file for SAMA5D4ek board
  ARM: at91: dt: add device tree file for SAMA5D4 SoC
  ARM: at91: SAMA5D4 SoC detection code and low level routines
  ARM: at91: introduce basic SAMA5D4 support
  clk: at91: add a driver for the h32mx clock
  ARM: pxa3xx: provide specific platform_devices for all ssp ports
  ARM: pxa: ssp: provide platform_device_id for PXA3xx
  ARM: OMAP4+: Remove static iotable mappings for SRAM
  ARM: OMAP4+: Move SRAM data to DT
  ...
2014-10-08 17:13:04 -04:00
Linus Torvalds
212fe84a6f ARM: SoC cleanups for 3.18
This time around, the cleanup branch contains mostly code removal. A number
 of board files for at91, imx and msm have become obsolete because of the
 DT conversion and are now ready to be removed. The OMAP platform has
 traditionally had its own DMA engine abstraction and as this is being
 phased out, a lot of the original code is now unused and can be removed
 as well.
 
 S3C24xx can be simplified now that the restart code is a proper device
 driver.
 
 Finally, a number of cleanups in shmobile are done to prepare for
 the addition of new code in other branches.
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Merge tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC cleanups from Arnd Bergmann:
 "This time around, the cleanup branch contains mostly code removal.  A
  number of board files for at91, imx and msm have become obsolete
  because of the DT conversion and are now ready to be removed.  The
  OMAP platform has traditionally had its own DMA engine abstraction and
  as this is being phased out, a lot of the original code is now unused
  and can be removed as well.

  S3C24xx can be simplified now that the restart code is a proper device
  driver.

  Finally, a number of cleanups in shmobile are done to prepare for the
  addition of new code in other branches"

* tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (43 commits)
  ARM: at91: Remove the support for the RSI EWS board
  arm: mach-omap2: Convert pr_warning to pr_warn
  ARM: OMAP: Remove unused pieces of legacy DMA API
  ARM: at91: remove board file for Acme Systems Fox G20
  ARM: orion5x: Convert pr_warning to pr_warn
  ARM: S3C24XX: remove separate restart code
  ARM: EXYNOS: Do not calculate boot address twice
  ARM: sunxi: Remove sun4i reboot code from mach directory
  ARM: imx: Remove mach-mxt_td60 board file
  ARM: shmobile: armadillo800eva legacy: Use rmobile_add_devices_to_domains()
  ARM: shmobile: r8a7740: Clean up pm domain table
  ARM: shmobile: r8a7740: Use rmobile_add_devices_to_domains()
  ARM: shmobile: sh7372: Make domain_devices[] static __initdata
  ARM: shmobile: mackerel: Make domain_devices[] static __initdata
  clocksource: tcb_clksrc: sanitize IRQ request
  ARM: at91/tclib: mask interruptions at shutdown and probe
  ARM: at91/tclib: move initialization from alloc to probe
  ARM: at91/tclib: prefer using of devm_* functions
  ARM: clps711x: Switch CLPS711X subarch to use clk and clocksource driver
  ARM: shmobile: r8a7791 is now called "R-Car M2-W"
  ...
2014-10-08 17:06:53 -04:00
Linus Torvalds
4a4743e840 ARM: SoC non-critical bug fixes for 3.18
These are bug fixes for harmless problems that were not important
 enough to get fixed in 3.17. The majority of these are OMAP specific,
 but there are also a couple for Marvell mvebu, cns3xxx, and others,
 as well as some updates for the MAINTAINERS file.
 
 In particular, Robert Jarzmik and Daniel Mack now volunteered to help
 out maintaining the PXA platform, Krzysztof Halasa took over the
 cns3xxx platform, Carlo Caione is the maintainer for the new Amlogic
 meson platform, and Matthias Brugger is now listed for the mediatek
 platform he recently contributed.
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Merge tag 'fixes-nc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC non-critical bug fixes from Arnd Bergmann:
 "These are bug fixes for harmless problems that were not important
  enough to get fixed in 3.17.  The majority of these are OMAP specific,
  but there are also a couple for Marvell mvebu, cns3xxx, and others, as
  well as some updates for the MAINTAINERS file.

  In particular, Robert Jarzmik and Daniel Mack now volunteered to help
  out maintaining the PXA platform, Krzysztof Halasa took over the
  cns3xxx platform, Carlo Caione is the maintainer for the new Amlogic
  meson platform, and Matthias Brugger is now listed for the mediatek
  platform he recently contributed"

* tag 'fixes-nc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (42 commits)
  MAINTAINERS: update Shawn's email address
  MAINTAINERS: condense some Tegra related entries
  MAINTAINERS: add Alexandre Courbot for Tegra
  MAINTAINERS: CNS3xxx and IXP4xx update.
  MAINTAINERS: Add maintainers entry for Mediatek SoCs
  arm, vt8500, LLVMLlinux: Use mcr instead of mcr% for mach-vt8500
  MAINTAINERS: add a third maintainer to mach-bcm
  CNS3xxx: Fix PCIe read size limit.
  CNS3xxx: Fix logical PCIe topology.
  CNS3xxx: Fix debug UART.
  MAINTAINERS: Add entry for the Amlogic MesonX SoCs
  MAINTAINERS: update ARM pxa maintainers
  ARM: at91/PMC: don't forget to write PMC_PCDR register to disable clocks
  ARM: at91: fix at91sam9263ek DT mmc pinmuxing settings
  ARM: mvebu: Netgear RN102: Use Hardware BCH ECC
  ARM: Kirkwood: Fix DT based DSA.
  ARM: OMAP2+: make of_device_ids const
  ARM: omap2: make arrays containing machine compatible strings const
  ARM: LPC32xx: Fix reset function
  ARM: mvebu: Netgear RN2120: Use Hardware BCH ECC
  ...
2014-10-08 17:03:09 -04:00
Rafael J. Wysocki
6f1293ff74 Merge back cpufreq material for v3.18. 2014-10-03 15:41:16 +02:00
Viresh Kumar
bbcf071969 cpufreq: cpu0: rename driver and internals to 'cpufreq_dt'
The naming convention of this driver was always under the scanner, people
complained that it should have a more generic name than cpu0, as it manages all
CPUs that are sharing clock lines.

Also, in future it will be modified to support any number of clusters with
separate clock/voltage lines.

Lets rename it to 'cpufreq_dt' from 'cpufreq_cpu0'.

Tested-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-10-03 15:37:54 +02:00
Mike Turquette
82de1bc86c Merge branch 'for-v3.18/ti-clk-driver' of github.com:t-kristo/linux-pm into clk-next 2014-09-29 23:38:59 -07:00
Tero Kristo
c08ee14cc6 clk: ti: change clock init to use generic of_clk_init
Previously, the TI clock driver initialized all the clocks hierarchically
under each separate clock provider node. Now, each clock that requires
IO access will instead check their parent node to find out which IO range
to use.

This patch allows the TI clock driver to use a few new features provided
by the generic of_clk_init, and also allows registration of clock nodes
outside the clock hierarchy (for example, any external clocks.)

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Cc: Mike Turquette <mturquette@linaro.org>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Ujfalusi <peter.ujfalusi@ti.com>
Cc: Jyri Sarha <jsarha@ti.com>
Cc: Stefan Assmann <sassmann@kpanic.de>
Acked-by: Tony Lindgren <tony@atomide.com>
2014-09-29 11:51:13 +03:00
Arnd Bergmann
ddfe53d1cb Clean-up for omaps for v3.18 merge window:
- Remove unused pieces of the legacy DMA API as we're moving to
   dmaengine API
 
 - Search and replace to standardize on pr_warn instead of pr_warning
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Merge tag 'cleanup-for-v3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/cleanup

Pull "Clean-up for omaps for v3.18 merge window" from Tony Lindgren:

- Remove unused pieces of the legacy DMA API as we're moving to
  dmaengine API

- Search and replace to standardize on pr_warn instead of pr_warning

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

* tag 'cleanup-for-v3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  arm: mach-omap2: Convert pr_warning to pr_warn
  ARM: OMAP: Remove unused pieces of legacy DMA API
2014-09-26 00:09:49 +02:00
Olof Johansson
21c68e7cb0 Regression fix for early omap3 revisions for wake-up events that
too some time to narrow down. Although a bit intrusive, this would
 be good to get into the -rc cycle as there are quite a few boards
 out there with omap3 es2.1 and es3.0, and we have those in at least
 three boot test systems too that show errors without this patch.
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Merge tag 'fix-v3.17-io-chain-v3' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

Regression fix for early omap3 revisions for wake-up events that
too some time to narrow down. Although a bit intrusive, this would
be good to get into the -rc cycle as there are quite a few boards
out there with omap3 es2.1 and es3.0, and we have those in at least
three boot test systems too that show errors without this patch.

* tag 'fix-v3.17-io-chain-v3' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP3: Fix I/O chain clock line assertion timed out error

Signed-off-by: Olof Johansson <olof@lixom.net>
2014-09-22 21:57:20 -07:00
Joe Perches
3d0cb73e9c arm: mach-omap2: Convert pr_warning to pr_warn
Use the more common pr_warn.

Other miscellanea:

o Realign arguments

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-18 09:53:57 -07:00
Rajendra Nayak
1306c08a7c ARM: OMAP4+: Remove static iotable mappings for SRAM
In order to handle errata I688, a page of sram was reserved by doing a
static iotable map. Now that we use gen_pool to manage sram, we can
completely remove all of these static mappings and use gen_pool_alloc()
to get the one page of sram space needed to implement errata I688.
omap_bus_sync will be NOP until SRAM initialization happens.

Suggested-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-18 09:47:35 -07:00
Rajendra Nayak
8b9a2810b0 ARM: OMAP4+: Move SRAM data to DT
Use drivers/misc/sram.c driver to manage SRAM on all DT only
OMAP platforms (am33xx, am43xx, omap4 and omap5) instead of
the existing private plat-omap/sram.c

Address and size related data  is removed from mach-omap2/sram.c
and now passed to drivers/misc/sram.c from DT.

Users can hence use general purpose allocator apis instead of
OMAP private ones to manage and use SRAM.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-18 09:47:00 -07:00
Rajendra Nayak
0616f4eedd ARM: AM335x: Get rid of unused sram init function
Remove the empty am33xx_sram_init() function.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-18 09:45:52 -07:00
Tony Lindgren
271d4c6bc7 ARM: dts: Add support for Ethernet on some N900 macro boards
As we have support for this in board-rx51-peripherals.c, let's
add it to the .dts files too.

Note that the reset GPIO will eventually go to the driver.
For now let's just pull it down and skip any further reset
in case the bootloader has configured the MAC address so
NFSroot works.

Also note that after 3430-sdp are using proper GPMC timings
we can remove the tests for smsc,lan91c94 in gpmc.c.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-18 09:03:36 -07:00
Tony Lindgren
a2fc36613a ARM: OMAP3: Use manual idle for UARTs because of DMA errata
In sprz318f.pdf "Usage Note 2.7" says that UARTs cannot acknowledge
idle requests in smartidle mode when configured for DMA operations.
This prevents L4 from going idle. So let's use manual idle mode
instead.

Otherwise systems using Sebastian's 8250 patches with DMA will
never enter deeper idle states because of the errata above.

Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Reviewed-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-18 08:58:49 -07:00
Tony Lindgren
6a08b11add ARM: OMAP2+: Add hwmod flag for HWMOD_RECONFIG_IO_CHAIN
Commit cc824534d4 ("ARM: OMAP2+: hwmod: Rearm wake-up interrupts
for DT when MUSB is idled") fixed issues with hung UART wake-up
events by calling _reconfigure_io_chain() when MUSB is connected
or disconnected.

As pointed out by Paul Walmsley, we may need to also call
_reconfigure_io_chain() in other cases, so it should be a separate
flag. Let's add HWMOD_RECONFIG_IO_CHAIN as suggested by Paul.

Reviewed-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-18 08:58:28 -07:00
Ezequiel García
fef775caa7 nand: omap2: Add support for flash-based bad block table
This commit adds a new platform-data boolean property that enables use
of a flash-based bad block table. This can also be enabled by setting
the 'nand-on-flash-bbt' devicetree property.

If the flash BBT is not enabled, the driver falls back to use OOB
bad block markers only, as before. If the flash BBT is enabled the
kernel will keep track of bad blocks using a BBT, in addition to
the OOB markers.

As explained by Brian Norris the reasons for using a BBT are:

""
The primary reason would be that NAND datasheets specify it these days.
A better argument is that nobody guarantees that you can write a
bad block marker to a worn out block; you may just get program failures.

This has been acknowledged by several developers over the last several
years.

Additionally, you get a boot-time performance improvement if you only
have to read a few pages, instead of a page or two from every block on
the flash.
""

Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Acked-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-09-17 01:02:48 -07:00
Tony Lindgren
7db143b891 ARM: OMAP3: Fix I/O chain clock line assertion timed out error
We are getting "PRM: I/O chain clock line assertion timed out" errors
on early omaps for device tree based booting. This is because we are
unconditionally calling reconfigure_io_chain while legacy booting
has omap3_has_io_chain_ctrl() checks in place in omap_hwmod.c.

For device tree based booting, we are calling reconfigure_io_chain
unconditionally from pinctrl framework. So we need to add a check for
omap3_has_io_chain_ctrl() to avoid the errors for trying to access
a register that does not exist.

For es3.0, the documentation in "4.11.2 Device Off-Mode Configuration"
just mentions PM_WKEN_WKUP[8] bit. For es3.1, there's a new chapter in
documentation for "4.11.2.2 I/O Wake-Up Mechanism" that describes the
PM_WKEN_WKUP[16] ST_IO_CHAIN bit. So PM_WKEN_WKUP[16] bit did not get
added until in es3.1 probaly to fix issues with flakey wake-up events.

We are doing proper checks for ST_IO_CHAIN already in id.c and with
omap3_has_io_chain_ctrl(). For more information, see also commit
b02b917211 ("ARM: OMAP3: PM: fix I/O wakeup and I/O chain clock
control detection").

Let's fix the issue by selecting the right function during init for
reconfigure_io_chain depending on the omap revision. For es3.0 and
earlier we need to just toggle EN_IO. By doing this, we can move the
check for omap3_has_io_chain_ctrl() from omap_hwmod.c to the init code
in prm_3xxx.c. And then we can unconditionally call reconfigure_io_chain.

Thanks to Paul Walmsley and Nishanth Menon for help with debugging the
issue.

Fixes: 30a69ef785 ("ARM: OMAP: Move DT wake-up event handling over to use pinctrl-single-omap")
Cc: Kevin Hilman <khilman@kernel.org>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tero Kristo <t-kristo@ti.com>
Reviewed-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-16 15:09:44 -07:00
Felipe Balbi
8598066cdd arm: omap: irq: move irq.c to drivers/irqchip/
Just move the code over as it has no dependencies
on arch/arm/ anymore.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-16 14:44:59 -07:00
Felipe Balbi
eaacabc0d9 irqchip: add irq-omap-intc.h header
OMAP INTC irqchip driver will be moved under
drivers/irqchip/ soon but we still have a dependency
with mach-omap2 when it comes to idle functions.

In order to make it easy to share those function
prototypes with OMAP PM code, we introduce this new
header.

To avoid modifying several board-files and some of
the PM-related code, we just include the new header
from common.h which was already included by all
users of IRQ-related PM code.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-16 14:44:59 -07:00
Felipe Balbi
e92ce89c29 arm: omap2: n8x0: move i2c devices to DT
By moving i2c devices to DT we can clean up
i2c_board_info and fix a problem with moving
INTC to irq domain where IRQs can be renumbered
on each boot.

Cc: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-16 14:43:11 -07:00
Felipe Balbi
55601c9f24 arm: omap: intc: switch over to linear irq domain
now that we don't need to support legacy board-files,
we can completely switch over to a linear irq domain
and make use of irq_alloc_domain_generic_chips() to
allocate all generic irq chips for us.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-11 13:05:50 -07:00
Felipe Balbi
d6a7c5c84f arm: omap: irq: get rid of ifdef hack
we don't need the ifdef if we have omap_nr_pending
telling us how many pending registers we have
on current platform. This solves a possible
problem where we could try to handle bogus
interrupts on OMAP2 and OMAP3 if using single
zImage kernel, because we would end up reading
the following pending FIQ register.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-11 13:05:49 -07:00
Felipe Balbi
52b1e12913 arm: omap: irq: introduce omap_nr_pending
that variable will tell us how many INTC_PENDING_IRQn
registers we have. It'll be used on a following patch
to cleanup omap_intc_handle_irq() a bit.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-11 13:05:48 -07:00
Felipe Balbi
a74f0a176e arm: omap: irq: remove nr_irqs argument
we can set our global omap_nr_irqs early on
and drop the extra argument to omap_init_irq().

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-11 13:05:46 -07:00
Felipe Balbi
3384f86fe5 arm: omap: irq: remove unnecessary header
There's no need for that header to be included.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-11 13:05:42 -07:00
Felipe Balbi
2aced89246 arm: omap: irq: drop omap2_intc_handle_irq()
that was just a no-op wrapper around omap_intc_handle_irq
anyway.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-11 13:05:41 -07:00
Felipe Balbi
05f1e7387c arm: omap: irq: drop omap3_intc_handle_irq()
now that we're calling set_handle_irq() from
init_irq(), we can safely drop all callers to
omap3_intc_handle_irq() and its definition.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-11 13:05:40 -07:00
Felipe Balbi
be0a768596 arm: omap: irq: call set_handle_irq() from .init_irq
the idea is that board-files won't need to set
.handle_irq on their machine_descs, which lets
us drop a little more pointless code.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-11 13:05:39 -07:00
Felipe Balbi
a4d3c5d91f arm: omap: irq: move some more code around
We want .init_irq to call set_irq_handle() for
legacy platforms. Note that this code will also
be dropped once omap2/3 devices are completely
moved to DT.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-11 13:05:38 -07:00
Felipe Balbi
a05d92b094 arm: omap: irq: drop ti,intc-size support
we don't need that anymore since specific
devices are passing correct compatible flags.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-11 13:05:36 -07:00
Felipe Balbi
470f30deae arm: omap: irq: use compatible flag to figure out number of IRQ lines
so far, only am33xx has 128 lines, all other devices
have only 96.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-11 13:05:34 -07:00
Felipe Balbi
a35db9a4cb arm: omap: irq: add specific compatibles for omap3 and am33xx devices
with this, we can use a compatible flag to figure
out how many irq lines are wired up, no need for
our TI-specific ti,intc-size binding.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-11 13:05:33 -07:00
Felipe Balbi
e66c49b515 arm: omap: irq: drop .handle_irq and .init_irq fields
now we can safely drop those fields from our machine_desc.

While at that, also drop the now unused omap_intc_of_init()
definition.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-11 13:05:31 -07:00
Felipe Balbi
b65ecd4612 arm: omap: irq: use IRQCHIP_DECLARE macro
IRQCHIP_DECLARE macro is used to declare the same
of_device_id structure for irqchips, it's just
a helper. No functional changes.

Note that we're temporarily including irqchip.h
with its full path, until we move this driver
to drivers/irqchip/.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-11 13:03:45 -07:00
Felipe Balbi
b15c76b748 arm: omap: irq: call set_handle_irq() from intc_of_init
this will let us drop .handle_irq and .init_irq fields
from our generic machine_descs.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-11 13:03:43 -07:00
Felipe Balbi
00b6b031ab arm: omap: irq: make intc_of_init static
nobody uses that function outside of this file,
so we don't need to expose it.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-11 13:03:42 -07:00
Felipe Balbi
131b48c061 arm: omap: irq: reorganize code a little bit
no functional changes, just moving code around.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-11 13:03:41 -07:00
Felipe Balbi
f8cc9eaf26 arm: omap: irq: always define omap3 support
remove ifdef around omap3 INTC support. This
will make it easier to reuse code for PM.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-11 13:03:40 -07:00
Felipe Balbi
272a8b04ab arm: omap: irq: rename omap3_intc_regs
just to make it clearer that it can
be used on all omaps.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-11 13:03:39 -07:00
Felipe Balbi
d1e66d6961 arm: omap: irq: remove unnecessary base_addr argument
omap_intc_handle_irq now had an unnecessary
base_addr argument. Let's remove it and fix
all callers.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-11 13:03:38 -07:00
Felipe Balbi
1198365625 arm: omap: irq: switch over to intc_readl on omap_intc_handle_irq
an almost blind conversion from readl_relaxed
to our newly introduced intc_readl().

While at that, also remove some hardcoded
register addresses.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-11 13:03:37 -07:00
Felipe Balbi
33ca0be083 arm: omap: irq: remove unused macro
no functional changes.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-11 13:03:36 -07:00
Felipe Balbi
a88ab43083 arm: omap: irq: remove rest of irq_banks usage
now we can finally remove the pointless irq_banks
array.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-11 13:03:35 -07:00
Felipe Balbi
421b090c83 arm: omap: irq: add a global omap_nr_irqs variable
this will cache number of irqs. Also in preparation
for removal of irq_banks array.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-11 13:03:34 -07:00
Felipe Balbi
71be00c90a arm: omap: irq: start to remove irq_banks array
We have a single bank in that array, this patch
is in preparation to remove that array. It just
shifts everything to a new set of functions
for register IO while also removing old ones.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-11 13:03:33 -07:00
Felipe Balbi
33c7c7b7f2 arm: omap: irq: define INTC_ILR0 register
this is currently used as a hardcoded 0x100
offset.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-11 13:03:32 -07:00
Felipe Balbi
176da6c766 arm: omap: irq: make omap_irq_base global
This is in preparation for removing the pointless
irq_banks array.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-11 13:03:30 -07:00
Tony Lindgren
051c544010 Merge branch 'omap-for-v3.18/fixes-not-urgent' into omap-for-v3.18/intc-v2 2014-09-11 13:03:25 -07:00
Uwe Kleine-König
31957609db ARM: OMAP2+: make of_device_ids const
of_device_ids (i.e. compatible strings and the respective data) are not
supposed to change at runtime. All functions working with of_device_ids
provided by <linux/of.h> work with const of_device_ids. So mark the
non-const function parameters and structs for OMAP2+ as const, too.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-11 12:37:23 -07:00
Uwe Kleine-König
58cda01ed1 ARM: omap2: make arrays containing machine compatible strings const
The definition

	static const char *omap3_boards_compat[] __initconst = {

defines a changable array of constant strings. That is you must not do:

	*omap3_boards_compat[0] = 'f';

but

	omap3_boards_compat[0] = "another string";

is fine. So the annotation __initconst is wrong and yields a compiler
error when other really const variables are added with __initconst.

As the struct machine_desc member dt_compat is declared as

	const char *const *dt_compat;

making the arrays const is the better alternative over changing all
annotations to __initdata.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-11 12:34:36 -07:00
Nishanth Menon
377fb3f5d9 ARM: OMAP5+: Reuse OMAP4 PM code for OMAP5 and DRA7
OMAP4, OMAP5 and DRA7 share a lot of common logic and data structures.
These have been enabled in the previous patches, however, this also
means that OMAP5 or DRA7 only builds also need to build OMAP4 logic.
Update to reuse OMAP4 logic.

This fixes the 'undefined reference to 'omap4_pm_init_early'' in
OMAP5 or DRA7 only builds.

Fixes: 6af16a1dac ("ARM: DRA7: Add hook in SoC initcalls to enable pm initialization")
Fixes: 628ed47170 ("ARM: OMAP5: Add hook in SoC initcalls to enable pm initialization")
Reported-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-09 19:13:41 -07:00
Tony Lindgren
52aaac5ae5 ARM: OMAP: Fix Kconfig warning for omap1
Commit 21278aeafb ("ARM: use menuconfig for sub-arch menus") improved
the sub-arch menus, but accidentally caused new warnings for omap1.
This was because the commit added a menu entry around config ARCH_OMAP
bool entry where the menu had depends on ARCH_MULTI_V6 || ARCH_MULTI_V7.

As ARCH_OMAP is shared between omap1 and omap2plus, let's fix the
issue by defining ARCH_OMAP in the shared plat-omap/Kconfig.

Fixes: 21278aeafb ("ARM: use menuconfig for sub-arch menus")
Reported-by: Andreas Ruprecht <rupran@einserver.de>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-09-09 16:38:36 +02:00
Mark Brown
01ac4565d6 ARM: omap: Remove stray ARCH_HAS_OPP references
OPP is now a normal kernel library selected by its users rather than a
feature that architectures need to enable so ARCH_HAS_OPP serves no
function any more - remove the selects.

Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-08 17:20:10 -07:00
Stefan Roese
63dd5bc03a ARM: OMAP2+: tao3530: Add pdata-quirk for the mmc2 internal clock
Set internal clock source for MMC2 on tao3530.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Thorsten Eisbein <thorsten.eisbein@head-acoustics.de>
Cc: Tapani Utriainen <tapani@technexion.com>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-08 17:04:35 -07:00
Nishanth Menon
0e0cb99d17 ARM: OMAP2+: board-generic: add support for AM57xx family
AM57xx processor family are variants of DRA7 family of processors and
targetted at industrial and non-automotive applications.

Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-08 17:03:11 -07:00
Rajendra Nayak
6af16a1dac ARM: DRA7: Add hook in SoC initcalls to enable pm initialization
With consolidated code, now we can add the required hooks for
DRA7 to enable power management.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
[nm@ti.com: minor modifications]
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Tested-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-08 15:50:39 -07:00
Tony Lindgren
887782e04f Merge branch 'pull/v3.18/for-omap-soc' of https://github.com/nmenon/linux-2.6-playground into omap-for-v3.18/soc 2014-09-08 15:20:15 -07:00
Tony Lindgren
d7eb67f7fe Merge branch 'pull/v3.18/powerdomain-fixes' of https://github.com/nmenon/linux-2.6-playground into omap-for-v3.18/fixes-not-urgent 2014-09-08 15:04:24 -07:00
Santosh Shilimkar
628ed47170 ARM: OMAP5: Add hook in SoC initcalls to enable pm initialization
With consolidated code, now we can add the required hooks for
OMAP5 to enable power management.

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
[nm@ti.com: minor rebase updates]
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Tested-by: Kevin Hilman <khilman@linaro.org>
2014-09-08 11:38:43 -05:00
Rajendra Nayak
6099dd37c6 ARM: OMAP5 / DRA7: Enable CPU RET on suspend
On OMAP5 / DRA7, prevent a CPU powerdomain OFF and resulting MPU OSWR
and instead attempt a CPU RET and side effect, MPU RET in suspend.

NOTE: the hardware was originally designed to be capable of achieving
deep power states such as OFF and OSWR, however due to various issues
and risks, deepest valid state was determined to be CSWR - hence we use
the errata framework to handle this case.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
[nm@ti.com: updates]
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Tested-by: Kevin Hilman <khilman@linaro.org>
2014-09-08 11:38:43 -05:00
Santosh Shilimkar
e97c4eb342 ARM: OMAP5 / DRA7: PM: Provide a dummy startup function for CPU hotplug
Dont assume that all OMAP4+ code will be able to use OMAP4 hotplug
logic. On OMAP5, DRA7, we do not need this in place yet, also,
currently the CPU startup pointer is located in omap4_cpu_pm_info
instead of cpu_pm_ops.

So, isolate the function to hotplug_restart pointer in cpu_pm_ops
where it should have belonged, initalize them as per valid startup
pointers for OMAP4430/60 as in current logic, however provide
dummy_cpu_resume to be the startup location as well.

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
[nm@ti.com: split this out of original code and isolate it]
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Tested-by: Kevin Hilman <khilman@linaro.org>
2014-09-08 11:38:42 -05:00
Rajendra Nayak
325f29da0d ARM: OMAP5 / DRA7: PM: Avoid all SAR saves
Get rid of all assumptions about always having a sar base on *all*
OMAP4+ platforms. We dont need one on DRA7 and it is not necessary at
this point for OMAP5 either.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
[nm@ti.com: Split and optimize]
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Tested-by: Kevin Hilman <khilman@linaro.org>
2014-09-08 11:38:42 -05:00
Santosh Shilimkar
6d846c4668 ARM: OMAP5 / DRA7: PM: Enable Mercury retention mode on CPUx powerdomains
In addition to the standard power-management technique, the OMAP5 / DRA7
MPU subsystem also employs an SR3-APG (mercury) power management
technology to reduce leakage.

It allows for full logic and memories retention on MPU_C0 and MPU_C1 and
is controlled by the PRCM_MPU. Only "Fast-mode" is supported on the
OMAP5 and DRA7 family of processors.

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
[nm@ti.com: minor consolidation]
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Tested-by: Kevin Hilman <khilman@linaro.org>
2014-09-08 11:38:41 -05:00
Santosh Shilimkar
4664d4d860 ARM: OMAP5 / DRA7: PM / wakeupgen: Enables ES2 PM mode by default
Enables MPUSS ES2 power management mode using ES2_PM_MODE in
AMBA_IF_MODE register.

0x0: OMAP5 ES1 behavior, CPU cores would enter and exit OFF mode together.
     Broken! Fortunately, we do not support this anymore.
0x1: OMAP5 ES2, DRA7 behavior, CPU cores are allowed to enter/exit OFF mode
     independently.

This is one time settings thanks to always ON domain.

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
[nm@ti.com: minor conflict resolutions, consolidation for DRA7]
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Tested-by: Kevin Hilman <khilman@linaro.org>
2014-09-08 11:38:41 -05:00
Santosh Shilimkar
d2136bce9d ARM: OMAP5 / DRA7: PM: Set MPUSS-EMIF clock-domain static dependency
With EMIF clock-domain put under hardware supervised control, memory
corruption and untraceable crashes are observed on OMAP5. Further
investigation revealed that there is a weakness in the PRCM on this
specific dynamic depedency.

The recommendation is to set MPUSS static dependency towards EMIF
clock-domain to avoid issues. This recommendation holds good for DRA7
family of devices as well.

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
[rnayak@ti.com: DRA7]
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
[nm@ti.com: conflict resolution, dra7]
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Tested-by: Kevin Hilman <khilman@linaro.org>
2014-09-08 11:38:41 -05:00
Santosh Shilimkar
a89726d3b4 ARM: OMAP5 / DRA7: PM: Update CPU context register offset
On OMAP5, RM_CPUi_CPUi_CONTEXT offset has changed. Update the code
so that same code works for OMAP4+ devices. DRA7 and OMAP5 have the same
context offset as well.

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
[rnayak@ti.com: for DRA7]
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
[nm@ti.com: rebase, split/merge etc..]
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Tested-by: Kevin Hilman <khilman@linaro.org>
2014-09-08 11:38:40 -05:00
Keerthy
dbbe9770d1 ARM: AM437x: use pdata quirks for pinctrl information
Provide pdata-quirks for Am437x processor family.

Signed-off-by: Keerthy <j-keerthy@ti.com>
2014-09-08 11:35:11 -05:00
Nishanth Menon
b0a3d0da67 ARM: DRA7: use pdata quirks for pinctrl information
Provide pdata-quirks for DRA7 processor family.

Signed-off-by: Nishanth Menon <nm@ti.com>
2014-09-08 11:35:11 -05:00
Nishanth Menon
874fef7d02 ARM: OMAP5: use pdata quirks for pinctrl information
Provide pdata-quirks for OMAP5 processor family.

Signed-off-by: Nishanth Menon <nm@ti.com>
2014-09-08 11:35:10 -05:00
Nishanth Menon
3e6a1c9459 ARM: OMAP4+: PM: Use only valid low power state for CPU hotplug
Not all SoCs support OFF mode - for example DRA74/72. So, use valid
power state during CPU hotplug.

Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
2014-09-08 11:22:43 -05:00
Nishanth Menon
bd7593c69a ARM: OMAP4+: PM: use only valid low power state for suspend
We are using power domain state as RET and logic state as OFF. This
state is OSWR. This may not always be supported on ALL power domains. In
fact, on certain power domains, this might result in a hang on certain
platforms. Instead, depend on powerdomain data to provide accurate
information about the supported powerdomain states and use the
appropriate function to query and use it as part of suspend path.

Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
2014-09-08 11:22:42 -05:00
Nishanth Menon
46ba552652 ARM: OMAP4+: PM: Make logic state programmable
Move the logic state as different for each power domain. This allows us
to customize the deepest power state we should target over all for each
powerdomain in the follow on patches.

Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
2014-09-08 11:22:42 -05:00
Nishanth Menon
bd002d7bda ARM: OMAP2+: powerdomain: introduce logic for finding valid power domain
powerdomain configuration in OMAP is done using PWRSTCTRL register for
each power domain. However, PRCM lets us write any value we'd like to
the logic and power domain target states, however the SoC integration
tends to actually function only at a few discrete states. These valid
states are already in our powerdomains_xxx_data.c file.

So, provide a function to easily query valid low power state that the
power domain is allowed to go to.

Based on work originally done by Jean Pihet <j-pihet@ti.com>
https://patchwork.kernel.org/patch/1325091/ . There is no attempt to
create a new powerdomain solution here, except fixing issues seen
attempting invalid programming attempts. Future consolidation to the
generic powerdomain framework should consider this requirement as
well.

Similar solutions have been done in product kernels in the past such
as:
https://android.googlesource.com/kernel/omap.git/+blame/android-omap-panda-3.0/arch/arm/mach-omap2/pm44xx.c

Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
2014-09-08 11:22:41 -05:00
Nishanth Menon
13bbffd4eb ARM: OMAP2+: powerdomain: pwrdm_for_each_clkdm iterate only valid clkdms
No need to invoke callback when the clkdm pointer is NULL.

Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
2014-09-08 11:22:41 -05:00
Nishanth Menon
9f5dc91b69 ARM: OMAP5: powerdomain data: fix powerdomain powerstate
Update the power domain power states for final production chip
capability. OFF mode, OSWR etc have been descoped for various domains.

Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
2014-09-08 11:22:40 -05:00
Nishanth Menon
cafc8cb5b9 ARM: OMAP: DRA7: powerdomain data: fix powerdomain powerstate
DRA7 supports only CSWR for CPU, MPU power domains. Core power domain
supports upto INA.

Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
2014-09-08 11:22:31 -05:00
Nishanth Menon
1e037794f7 ARM: OMAP3+: PRM: register interrupt information from DT
Allow the PRM interrupt information to be picked up from device tree.
OMAP3 may use legacy boot and needs to be compatible with old dtbs
(without interrupt populated), for these, we use the value which is
pre-populated.

Signed-off-by: Nishanth Menon <nm@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
2014-09-08 10:54:06 -05:00
Nishanth Menon
2aba071c50 ARM: OMAP4+: PRM: Enable wakeup capability for OMAP5, DRA7
OMAP5 and DRA7 can now use pinctrl based I/O daisychain wakeup
capability. So, enable the support.

Signed-off-by: Nishanth Menon <nm@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
2014-09-08 10:53:56 -05:00
Nishanth Menon
a6903ea301 ARM: OMAP4+: PRM: remove "wkup" event
"wkup" event at bit offset 0 exists only on OMAP3.
OMAP4430/60 PRM_IRQSTATUS_A9, OMAP5/DRA7 PRM_IRQSTATUS_MPU

register bit 0 is DPLL_CORE_RECAL_ST not wakeup event like OMAP3.

The same applies to AM437x as well.

Remove the wrong definition.

Signed-off-by: Nishanth Menon <nm@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
2014-09-08 10:53:50 -05:00
Nishanth Menon
a8f83aefcd ARM: OMAP4+: PRM: register interrupt information from DT
Allow the PRM interrupt information to be picked up from device tree.
the only exception is for OMAP4 which uses values pre-populated and allows
compatibility with older dtb.

Signed-off-by: Nishanth Menon <nm@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
2014-09-08 10:53:45 -05:00
Nishanth Menon
390ddc19e2 ARM: OMAP4: PRM: use the generic prm_inst to allow logic to be abstracted
use the generic function to pick up the prm_instance for a generic logic
which can be reused from OMAP4+

Signed-off-by: Nishanth Menon <nm@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
2014-09-08 10:53:39 -05:00
Nishanth Menon
e3002d1ae1 ARM: OMAP4+: prminst: provide function to find prm_dev instance offset
PRM device instance can vary depending on SoC. We already handle the
same during reset of the device, However, this is also needed
for other logic instances. So, first abstract this out to a generic
function.

Signed-off-by: Nishanth Menon <nm@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
2014-09-08 10:53:25 -05:00
Roger Quadros
2b54057c9b ARM: OMAP2+: gpmc: Don't complain if wait pin is used without r/w monitoring
For NAND read & write wait pin monitoring must be kept disabled as the
wait pin is only used to indicate NAND device ready status and not to
extend each read/write cycle.

So don't print a warning if wait pin is specified while read/write
monitoring is not in the device tree.

Sanity check wait pin number irrespective if read/write monitoring is
set or not.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Reviewed-by: Pekon Gupta <pekon@pek-sem.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-09-04 12:39:22 -07:00
Olof Johansson
98fd150836 Add basic subarchitecture support for the DRA72x and DRA74x. These
are OMAP2+ derivative SoCs.  This should be low-risk to existing OMAP
 platforms.
 
 Basic build, boot, and PM test logs are available here:
 
 http://www.pwsan.com/omap/testlogs/hwmod-a-early-v3.17-rc/20140827194314/
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Merge tag 'for-v3.17-rc/omap-dra72x-d74x-support-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into fixes

Pull "ARM: OMAP2+: DRA72x/DRA74x basic support" from Tony Lindgren:

Add basic subarchitecture support for the DRA72x and DRA74x.  These
are OMAP2+ derivative SoCs.  This should be low-risk to existing OMAP
platforms.

Basic build, boot, and PM test logs are available here:

http://www.pwsan.com/omap/testlogs/hwmod-a-early-v3.17-rc/20140827194314/

* tag 'for-v3.17-rc/omap-dra72x-d74x-support-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending:
  ARM: DRA7: hwmod: Add dra74x and dra72x specific ocp interface lists
  ARM: DRA7: Add support for soc_is_dra74x() and soc_is_dra72x() variants

Signed-off-by: Olof Johansson <olof@lixom.net>
2014-08-31 10:19:43 -07:00
Rajendra Nayak
f7f7a29bf0 ARM: DRA7: hwmod: Add dra74x and dra72x specific ocp interface lists
To deal with IPs which are specific to dra74x and dra72x, maintain seperate
ocp interface lists, while keeping the common list for all common IPs.

Move USB OTG SS4 to dra74x only list since its unavailable in
dra72x and is giving an abort during boot. The dra72x only list
is empty for now and a placeholder for future hwmod additions which
are specific to dra72x.

Fixes: d904b38df0 ("ARM: DRA7: hwmod: Add SYSCONFIG for usb_otg_ss")
Reported-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Tested-by: Nishanth Menon <nm@ti.com>
[paul@pwsan.com: fixed comment style to conform with CodingStyle]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-08-27 19:38:23 -06:00
Rajendra Nayak
af438fec6c ARM: DRA7: Add support for soc_is_dra74x() and soc_is_dra72x() variants
Use the corresponding compatibles to identify the devices.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Acked-by: Nishanth Menon <nm@ti.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-08-27 19:38:22 -06:00
Tony Lindgren
cc824534d4 ARM: OMAP2+: hwmod: Rearm wake-up interrupts for DT when MUSB is idled
Looks like MUSB cable removal can cause wake-up interrupts to
stop working for device tree based booting at least for UART3
even as nothing is dynamically remuxed. This can be fixed by
calling reconfigure_io_chain() for device tree based booting
in hwmod code. Note that we already do that for legacy booting
if the legacy mux is configured.

My guess is that this is related to UART3 and MUSB ULPI
hsusb0_data0 and hsusb0_data1 support for Carkit mode that
somehow affect the configured IO chain for UART3 and require
rearming the wake-up interrupts.

In general, for device tree based booting, pinctrl-single
calls the rearm hook that in turn calls reconfigure_io_chain
so calling reconfigure_io_chain should not be needed from the
hwmod code for other events.

So let's limit the hwmod rearming of iochain only to
HWMOD_FORCE_MSTANDBY where MUSB is currently the only user
of it. If we see other devices needing similar changes we can
add more checks for it.

Cc: Paul Walmsley <paul@pwsan.com>
Cc: stable@vger.kernel.org # v3.16
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-08-25 16:15:35 -07:00
Markus Pargmann
9a02ae4ed4 ARM: OMAP2+: omap_device: remove warning that clk alias already exists
When an alias for a clock already exists the warning is printed. For
every module with a main_clk defined, a clk alias for fck is added.
There are some components that have the same main_clk defined, so this
is a really normal situation.

For example the am33xx edma device has 4 components using the same main
clock. So there are three warnings in the boot log for this already
existing clock alias:
	platform 49000000.edma: alias fck already exists
	platform 49000000.edma: alias fck already exists
	platform 49000000.edma: alias fck already exists

As this is only interesting for developers, this patch changes the
message to a debug message.

Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-08-25 16:15:34 -07:00
Hans Wennborg
6953faf976 ARM: OMAP: fix %d confusingly prefixed with 0x in format string
Fix %d confusingly prefixed with 0x in format string.

Signed-off-by: Hans Wennborg <hans@hanshq.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-08-25 16:15:34 -07:00
Roger Quadros
a3e83f05fb ARM: OMAP2+: GPMC: Support Software ECC scheme via DT
For v3.14 and prior, 1-bit Hamming code ECC via software was the
default choice for some boards e.g. 3430sdp.
Commit ac65caf514 in v3.15 changed the behaviour
to use 1-bit Hamming code via Hardware using a different ECC layout
i.e. (ROM code layout) than what is used by software ECC.

This ECC layout change causes NAND filesystems created in v3.14
and prior to be unusable in v3.15 and later. So don't mark "sw" scheme
as deperecated and support it.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-08-25 16:15:33 -07:00
Roger Quadros
7d5929c1f3 mtd: nand: omap: Revert to using software ECC by default
For v3.12 and prior, 1-bit Hamming code ECC via software was the
default choice. Commit c66d039197 in v3.13 changed the behaviour
to use 1-bit Hamming code via Hardware using a different ECC layout
i.e. (ROM code layout) than what is used by software ECC.

This ECC layout change causes NAND filesystems created in v3.12
and prior to be unusable in v3.13 and later. So revert back to
using software ECC by default if an ECC scheme is not explicitely
specified.

This defect can be observed on the following boards during legacy boot

-omap3beagle
-omap3touchbook
-overo
-am3517crane
-devkit8000
-ldp
-3430sdp

Signed-off-by: Roger Quadros <rogerq@ti.com>
Tested-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-08-25 16:15:32 -07:00
Olof Johansson
bb7aedff3f Few fixes for the v3.17 merge window:
- Fix for DPLL rate rounding
 
 - Fix for omap3 ES3.1.2 suspend
 
 - Few coding style fixes
 
 Note that these are based on earlier omap-for-v3.17/soc.
 No strict dependency to it though, but I already merged in
 the pull request from Paul for the first fix into it and
 these are all SoC related.
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Merge tag 'omap-for-v3.17/soc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

Merge "few omap fixes for v3.17 merge window" from Tony Lindgren:

Few fixes for the v3.17 merge window:

- Fix for DPLL rate rounding
- Fix for omap3 ES3.1.2 suspend
- Few coding style fixes

* tag 'omap-for-v3.17/soc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP3: Fix coding style problems in arch/arm/mach-omap2/control.c
  ARM: OMAP3: Fix choice of omap3_restore_es function in OMAP34XX rev3.1.2 case.
  ARM: OMAP2+: clock: allow omap2_dpll_round_rate() to round to next-lowest rate

Signed-off-by: Olof Johansson <olof@lixom.net>
2014-08-09 08:23:27 -07:00
Linus Torvalds
8065be8d03 Merge branch 'akpm' (second patchbomb from Andrew Morton)
Merge more incoming from Andrew Morton:
 "Two new syscalls:

     memfd_create in "shm: add memfd_create() syscall"
     kexec_file_load in "kexec: implementation of new syscall kexec_file_load"

  And:

   - Most (all?) of the rest of MM

   - Lots of the usual misc bits

   - fs/autofs4

   - drivers/rtc

   - fs/nilfs

   - procfs

   - fork.c, exec.c

   - more in lib/

   - rapidio

   - Janitorial work in filesystems: fs/ufs, fs/reiserfs, fs/adfs,
     fs/cramfs, fs/romfs, fs/qnx6.

   - initrd/initramfs work

   - "file sealing" and the memfd_create() syscall, in tmpfs

   - add pci_zalloc_consistent, use it in lots of places

   - MAINTAINERS maintenance

   - kexec feature work"

* emailed patches from Andrew Morton <akpm@linux-foundation.org: (193 commits)
  MAINTAINERS: update nomadik patterns
  MAINTAINERS: update usb/gadget patterns
  MAINTAINERS: update DMA BUFFER SHARING patterns
  kexec: verify the signature of signed PE bzImage
  kexec: support kexec/kdump on EFI systems
  kexec: support for kexec on panic using new system call
  kexec-bzImage64: support for loading bzImage using 64bit entry
  kexec: load and relocate purgatory at kernel load time
  purgatory: core purgatory functionality
  purgatory/sha256: provide implementation of sha256 in purgaotory context
  kexec: implementation of new syscall kexec_file_load
  kexec: new syscall kexec_file_load() declaration
  kexec: make kexec_segment user buffer pointer a union
  resource: provide new functions to walk through resources
  kexec: use common function for kimage_normal_alloc() and kimage_crash_alloc()
  kexec: move segment verification code in a separate function
  kexec: rename unusebale_pages to unusable_pages
  kernel: build bin2c based on config option CONFIG_BUILD_BIN2C
  bin2c: move bin2c in scripts/basic
  shm: wait for pins to be released when sealing
  ...
2014-08-08 15:57:47 -07:00
Daniel Walter
056610ac14 arch/arm/mach-omap2: replace strict_strto* with kstrto*
Replace obsolete strict_strto call with kstrto calls.
Simplify copy_from_user/strict_strto by using kstrto_from_user

Signed-off-by: Daniel Walter <dwalter@google.com>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-08 15:57:27 -07:00
Linus Torvalds
d4e1f5a14e ARM: SoC device-tree changes for 3.17
Unlike the board branch, this keeps having large sets of changes for
 every release, but that's quite expected and is so far working well.
 
 Most of this is plumbing for various device bindings and new platforms,
 but there's also a bit of cleanup and code removal for things that
 are moved from platform code to DT contents (some OMAP clock code in
 particular).
 
 There's also a pinctrl driver for tegra here (appropriately acked),
 that's introduced this way to make it more bisectable.
 
 I'm happy to say that there were no conflicts at all with this branch
 this release, which means that changes are flowing through our tree as
 expected instead of merged through driver maintainers (or at least not
 done with conflicts).
 
 There are several new boards added, and a couple of SoCs. In no particular
 order:
 
 * Rockchip RK3288 SoC support, including DTS for a dev board that they
   have seeded with some community developers.
 * Better support for Hardkernel Exynos4-based ODROID boards.
 * CCF conversions (and dtsi contents) for several Renesas platforms.
 * Gumstix Pepper (TI AM335x) board support
 * TI eval board support for AM437x
 * Allwinner A23 SoC, very similar to existing ones which mostly has
   resulted in DT changes for support. Also includes support for an Ippo
   tablet with the chipset.
 * Allwinner A31 Hummingbird board support, not to be confused with the
   SolidRun i.MX-based Hummingboard.
 * Tegra30 Apalis board support
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Merge tag 'dt-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC device-tree changes from Olof Johansson:
 "Unlike the board branch, this keeps having large sets of changes for
  every release, but that's quite expected and is so far working well.

  Most of this is plumbing for various device bindings and new
  platforms, but there's also a bit of cleanup and code removal for
  things that are moved from platform code to DT contents (some OMAP
  clock code in particular).

  There's also a pinctrl driver for tegra here (appropriately acked),
  that's introduced this way to make it more bisectable.

  I'm happy to say that there were no conflicts at all with this branch
  this release, which means that changes are flowing through our tree as
  expected instead of merged through driver maintainers (or at least not
  done with conflicts).

  There are several new boards added, and a couple of SoCs.  In no
  particular order:

   - Rockchip RK3288 SoC support, including DTS for a dev board that
     they have seeded with some community developers.
   - Better support for Hardkernel Exynos4-based ODROID boards.
   - CCF conversions (and dtsi contents) for several Renesas platforms.
   - Gumstix Pepper (TI AM335x) board support
   - TI eval board support for AM437x
   - Allwinner A23 SoC, very similar to existing ones which mostly has
     resulted in DT changes for support.  Also includes support for an
     Ippo tablet with the chipset.
   - Allwinner A31 Hummingbird board support, not to be confused with
     the SolidRun i.MX-based Hummingboard.
   - Tegra30 Apalis board support"

* tag 'dt-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (334 commits)
  ARM: dts: Enable USB host0 (EHCI) on rk3288-evb
  ARM: dts: add rk3288 ehci usb devices
  ARM: dts: Turn on USB host vbus on rk3288-evb
  ARM: tegra: apalis t30: fix device tree compatible node
  ARM: tegra: paz00: Fix some indentation inconsistencies
  ARM: zynq: DT: Clarify Xilinx Zynq platform
  ARM: dts: rockchip: add watchdog node
  ARM: dts: rockchip: remove pinctrl setting from radxarock uart2
  ARM: dts: Add missing pinctrl for uart0/1 for exynos3250
  ARM: dts: Remove duplicate 'interrput-parent' property for exynos3250
  ARM: dts: Add TMU dt node to monitor the temperature for exynos3250
  ARM: dts: Specify MAX77686 pmic interrupt for exynos5250-smdk5250
  ARM: dts: cypress,cyapa trackpad is exynos5250-Snow only
  ARM: dts: max77686 is exynos5250-snow only
  ARM: zynq: DT: Remove DMA from board DTs
  ARM: zynq: DT: Add CAN node
  ARM: EXYNOS: Add exynos5260 PMU compatible string to DT match table
  ARM: dts: Add PMU DT node for exynos5260 SoC
  ARM: EXYNOS: Add support for Exynos5410 PMU
  ARM: dts: Add PMU to exynos5410
  ...
2014-08-08 11:16:58 -07:00
Linus Torvalds
b3345d7c57 ARM: SoC platform changes for 3.17
This is the bulk of new SoC enablement and other platform changes for 3.17:
 
 * Samsung S5PV210 has been converted to DT and multiplatform
 * Clock drivers and bindings for some of the lower-end i.MX 1/2 platforms
 * Kirkwood, one of the popular Marvell platforms, is folded into the
   mvebu platform code, removing mach-kirkwood.
 * Hwmod data for TI AM43xx and DRA7 platforms.
 * More additions of Renesas shmobile platform support
 * Removal of plat-samsung contents that can be removed with S5PV210 being
   multiplatform/DT-enabled and the other two old platforms being removed.
 
 New platforms (most with only basic support right now):
 
 * Hisilicon X5HD2 settop box chipset is introduced
 * Mediatek MT6589 (mobile chipset) is introduced
 * Broadcom BCM7xxx settop box chipset is introduced
 
 + as usual a lot other pieces all over the platform code.
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Merge tag 'soc-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform changes from Olof Johansson:
 "This is the bulk of new SoC enablement and other platform changes for
  3.17:

   - Samsung S5PV210 has been converted to DT and multiplatform
   - Clock drivers and bindings for some of the lower-end i.MX 1/2
     platforms
   - Kirkwood, one of the popular Marvell platforms, is folded into the
     mvebu platform code, removing mach-kirkwood
   - Hwmod data for TI AM43xx and DRA7 platforms
   - More additions of Renesas shmobile platform support
   - Removal of plat-samsung contents that can be removed with S5PV210
     being multiplatform/DT-enabled and the other two old platforms
     being removed

  New platforms (most with only basic support right now):

   - Hisilicon X5HD2 settop box chipset is introduced
   - Mediatek MT6589 (mobile chipset) is introduced
   - Broadcom BCM7xxx settop box chipset is introduced

  + as usual a lot other pieces all over the platform code"

* tag 'soc-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (240 commits)
  ARM: hisi: remove smp from machine descriptor
  power: reset: move hisilicon reboot code
  ARM: dts: Add hix5hd2-dkb dts file.
  ARM: debug: Rename Hi3716 to HIX5HD2
  ARM: hisi: enable hix5hd2 SoC
  ARM: hisi: add ARCH_HISI
  MAINTAINERS: add entry for Broadcom ARM STB architecture
  ARM: brcmstb: select GISB arbiter and interrupt drivers
  ARM: brcmstb: add infrastructure for ARM-based Broadcom STB SoCs
  ARM: configs: enable SMP in bcm_defconfig
  ARM: add SMP support for Broadcom mobile SoCs
  Documentation: arm: misc updates to Marvell EBU SoC status
  Documentation: arm: add URLs to public datasheets for the Marvell Armada XP SoC
  ARM: mvebu: fix build without platforms selected
  ARM: mvebu: add cpuidle support for Armada 38x
  ARM: mvebu: add cpuidle support for Armada 370
  cpuidle: mvebu: add Armada 38x support
  cpuidle: mvebu: add Armada 370 support
  cpuidle: mvebu: rename the driver from armada-370-xp to mvebu-v7
  ARM: mvebu: export the SCU address
  ...
2014-08-08 11:14:29 -07:00
Linus Torvalds
44c916d58b ARM: SoC cleanups for 3.17
This merge window brings a good size of cleanups on various
 platforms. Among the bigger ones:
 
 * Removal of Samsung s5pc100 and s5p64xx platforms. Both of these have
   lacked active support for quite a while, and after asking around nobody
   showed interest in keeping them around. If needed, they could be
   resurrected in the future but it's more likely that we would prefer
   reintroduction of them as DT and multiplatform-enabled platforms
   instead.
 * OMAP4 controller code register define diet. They defined a lot of registers
   that were never actually used, etc.
 * Move of some of the Tegra platform code (PMC, APBIO, fuse, powergate)
   to drivers/soc so it can be shared with 64-bit code. This also converts them
   over to traditional driver models where possible.
 * Removal of legacy gpio-samsung driver, since the last users have been
   removed (moved to pinctrl)
 
 Plus a bunch of smaller changes for various platforms that sort of
 dissapear in the diffstat for the above. clps711x cleanups, shmobile
 header file refactoring/moves for multiplatform friendliness, some misc
 cleanups, etc.
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Merge tag 'cleanup-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC cleanups from Olof Johansson:
 "This merge window brings a good size of cleanups on various platforms.
  Among the bigger ones:

   - Removal of Samsung s5pc100 and s5p64xx platforms.  Both of these
     have lacked active support for quite a while, and after asking
     around nobody showed interest in keeping them around.  If needed,
     they could be resurrected in the future but it's more likely that
     we would prefer reintroduction of them as DT and
     multiplatform-enabled platforms instead.

   - OMAP4 controller code register define diet.  They defined a lot of
     registers that were never actually used, etc.

   - Move of some of the Tegra platform code (PMC, APBIO, fuse,
     powergate) to drivers/soc so it can be shared with 64-bit code.
     This also converts them over to traditional driver models where
     possible.

   - Removal of legacy gpio-samsung driver, since the last users have
     been removed (moved to pinctrl)

  Plus a bunch of smaller changes for various platforms that sort of
  dissapear in the diffstat for the above.  clps711x cleanups, shmobile
  header file refactoring/moves for multiplatform friendliness, some
  misc cleanups, etc"

* tag 'cleanup-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (117 commits)
  drivers: CCI: Correct use of ! and &
  video: clcd-versatile: Depend on ARM
  video: fix up versatile CLCD helper move
  MAINTAINERS: Add sdhci-st file to ARCH/STI architecture
  ARM: EXYNOS: Fix build breakge with PM_SLEEP=n
  MAINTAINERS: Remove Kirkwood
  ARM: tegra: Convert PMC to a driver
  soc/tegra: fuse: Set up in early initcall
  ARM: tegra: Always lock the CPU reset vector
  ARM: tegra: Setup CPU hotplug in a pure initcall
  soc/tegra: Implement runtime check for Tegra SoCs
  soc/tegra: fuse: fix dummy functions
  soc/tegra: fuse: move APB DMA into Tegra20 fuse driver
  soc/tegra: Add efuse and apbmisc bindings
  soc/tegra: Add efuse driver for Tegra
  ARM: tegra: move fuse exports to soc/tegra/fuse.h
  ARM: tegra: export apb dma readl/writel
  ARM: tegra: Use a function to get the chip ID
  ARM: tegra: Sort includes alphabetically
  ARM: tegra: Move includes to include/soc/tegra
  ...
2014-08-08 11:00:26 -07:00
Olof Johansson
c4846a7823 Merge branch 'next/fixes-non-critical' into next/cleanup
Merging in the few fixes we had also received, no need to keep those in
a separate branch.

* next/fixes-non-critical:
  drivers: CCI: Correct use of ! and &
  MAINTAINERS: Add sdhci-st file to ARCH/STI architecture
  ARM: EXYNOS: Fix build breakge with PM_SLEEP=n
  ARM: omap2+: gpmc-nand: Use dynamic platform_device_alloc()
  omap16xx: Removes fixme no longer needed in ocpi_enable()
  ARM: dts: OMAP5: Add device nodes for ABB
  ARM: omap2+: usb-tusb6010.c: Cleaning up variable is set more than once

Signed-off-by: Olof Johansson <olof@lixom.net>
2014-08-07 15:03:02 -07:00
Linus Torvalds
7725131982 ACPI and power management updates for 3.17-rc1
- ACPICA update to upstream version 20140724.  That includes
    ACPI 5.1 material (support for the _CCA and _DSD predefined names,
    changes related to the DMAR and PCCT tables and ARM support among
    other things) and cleanups related to using ACPICA's header files.
    A major part of it is related to acpidump and the core code used
    by that utility.  Changes from Bob Moore, David E Box, Lv Zheng,
    Sascha Wildner, Tomasz Nowicki, Hanjun Guo.
 
  - Radix trees for memory bitmaps used by the hibernation core from
    Joerg Roedel.
 
  - Support for waking up the system from suspend-to-idle (also known
    as the "freeze" sleep state) using ACPI-based PCI wakeup signaling
    (Rafael J Wysocki).
 
  - Fixes for issues related to ACPI button events (Rafael J Wysocki).
 
  - New device ID for an ACPI-enumerated device included into the
    Wildcat Point PCH from Jie Yang.
 
  - ACPI video updates related to backlight handling from Hans de Goede
    and Linus Torvalds.
 
  - Preliminary changes needed to support ACPI on ARM from Hanjun Guo
    and Graeme Gregory.
 
  - ACPI PNP core cleanups from Arjun Sreedharan and Zhang Rui.
 
  - Cleanups related to ACPI_COMPANION() and ACPI_HANDLE() macros
    (Rafael J Wysocki).
 
  - ACPI-based device hotplug cleanups from Wei Yongjun and
    Rafael J Wysocki.
 
  - Cleanups and improvements related to system suspend from
    Lan Tianyu, Randy Dunlap and Rafael J Wysocki.
 
  - ACPI battery cleanup from Wei Yongjun.
 
  - cpufreq core fixes from Viresh Kumar.
 
  - Elimination of a deadband effect from the cpufreq ondemand
    governor and intel_pstate driver cleanups from Stratos Karafotis.
 
  - 350MHz CPU support for the powernow-k6 cpufreq driver from
    Mikulas Patocka.
 
  - Fix for the imx6 cpufreq driver from Anson Huang.
 
  - cpuidle core and governor cleanups from Daniel Lezcano,
    Sandeep Tripathy and Mohammad Merajul Islam Molla.
 
  - Build fix for the big_little cpuidle driver from Sachin Kamat.
 
  - Configuration fix for the Operation Performance Points (OPP)
    framework from Mark Brown.
 
  - APM cleanup from Jean Delvare.
 
  - cpupower utility fixes and cleanups from Peter Senna Tschudin,
    Andrey Utkin, Himangi Saraogi, Rickard Strandqvist, Thomas Renninger.
 
 /
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Merge tag 'pm+acpi-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI and power management updates from Rafael Wysocki:
 "Again, ACPICA leads the pack (47 commits), followed by cpufreq (18
  commits) and system suspend/hibernation (9 commits).

  From the new code perspective, the ACPICA update brings ACPI 5.1 to
  the table, including a new device configuration object called _DSD
  (Device Specific Data) that will hopefully help us to operate device
  properties like Device Trees do (at least to some extent) and changes
  related to supporting ACPI on ARM.

  Apart from that we have hibernation changes making it use radix trees
  to store memory bitmaps which should speed up some operations carried
  out by it quite significantly.  We also have some power management
  changes related to suspend-to-idle (the "freeze" sleep state) support
  and more preliminary changes needed to support ACPI on ARM (outside of
  ACPICA).

  The rest is fixes and cleanups pretty much everywhere.

  Specifics:

   - ACPICA update to upstream version 20140724.  That includes ACPI 5.1
     material (support for the _CCA and _DSD predefined names, changes
     related to the DMAR and PCCT tables and ARM support among other
     things) and cleanups related to using ACPICA's header files.  A
     major part of it is related to acpidump and the core code used by
     that utility.  Changes from Bob Moore, David E Box, Lv Zheng,
     Sascha Wildner, Tomasz Nowicki, Hanjun Guo.

   - Radix trees for memory bitmaps used by the hibernation core from
     Joerg Roedel.

   - Support for waking up the system from suspend-to-idle (also known
     as the "freeze" sleep state) using ACPI-based PCI wakeup signaling
     (Rafael J Wysocki).

   - Fixes for issues related to ACPI button events (Rafael J Wysocki).

   - New device ID for an ACPI-enumerated device included into the
     Wildcat Point PCH from Jie Yang.

   - ACPI video updates related to backlight handling from Hans de Goede
     and Linus Torvalds.

   - Preliminary changes needed to support ACPI on ARM from Hanjun Guo
     and Graeme Gregory.

   - ACPI PNP core cleanups from Arjun Sreedharan and Zhang Rui.

   - Cleanups related to ACPI_COMPANION() and ACPI_HANDLE() macros
     (Rafael J Wysocki).

   - ACPI-based device hotplug cleanups from Wei Yongjun and Rafael J
     Wysocki.

   - Cleanups and improvements related to system suspend from Lan
     Tianyu, Randy Dunlap and Rafael J Wysocki.

   - ACPI battery cleanup from Wei Yongjun.

   - cpufreq core fixes from Viresh Kumar.

   - Elimination of a deadband effect from the cpufreq ondemand governor
     and intel_pstate driver cleanups from Stratos Karafotis.

   - 350MHz CPU support for the powernow-k6 cpufreq driver from Mikulas
     Patocka.

   - Fix for the imx6 cpufreq driver from Anson Huang.

   - cpuidle core and governor cleanups from Daniel Lezcano, Sandeep
     Tripathy and Mohammad Merajul Islam Molla.

   - Build fix for the big_little cpuidle driver from Sachin Kamat.

   - Configuration fix for the Operation Performance Points (OPP)
     framework from Mark Brown.

   - APM cleanup from Jean Delvare.

   - cpupower utility fixes and cleanups from Peter Senna Tschudin,
     Andrey Utkin, Himangi Saraogi, Rickard Strandqvist, Thomas
     Renninger"

* tag 'pm+acpi-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (118 commits)
  ACPI / LPSS: add LPSS device for Wildcat Point PCH
  ACPI / PNP: Replace faulty is_hex_digit() by isxdigit()
  ACPICA: Update version to 20140724.
  ACPICA: ACPI 5.1: Update for PCCT table changes.
  ACPICA/ARM: ACPI 5.1: Update for GTDT table changes.
  ACPICA/ARM: ACPI 5.1: Update for MADT changes.
  ACPICA/ARM: ACPI 5.1: Update for FADT changes.
  ACPICA: ACPI 5.1: Support for the _CCA predifined name.
  ACPICA: ACPI 5.1: New notify value for System Affinity Update.
  ACPICA: ACPI 5.1: Support for the _DSD predefined name.
  ACPICA: Debug object: Add current value of Timer() to debug line prefix.
  ACPICA: acpihelp: Add UUID support, restructure some existing files.
  ACPICA: Utilities: Fix local printf issue.
  ACPICA: Tables: Update for DMAR table changes.
  ACPICA: Remove some extraneous printf arguments.
  ACPICA: Update for comments/formatting. No functional changes.
  ACPICA: Disassembler: Add support for the ToUUID opererator (macro).
  ACPICA: Remove a redundant cast to acpi_size for ACPI_OFFSET() macro.
  ACPICA: Work around an ancient GCC bug.
  ACPI / processor: Make it possible to get local x2apic id via _MAT
  ...
2014-08-06 20:34:19 -07:00
Linus Torvalds
dc7aafba6b IOMMU Updates for Linux v3.17
This time with:
 
 	* Support for the generic PCI device alias code in x86 IOMMU
 	  drivers
 
 	* A new sysfs interface for IOMMUs
 
 	* Preparations for hotplug support in the Intel IOMMU driver
 
 	* Change the AMD IOMMUv2 driver to not hold references to core
 	  data structures like mm_struct or task_struct. Rely on
 	  mmu_notifers instead.
 
 	* Removal of the OMAP IOVMM interface, all users of it are
 	  converted to DMA-API now
 
 	* Make the struct iommu_ops const everywhere
 
 	* Initial PCI support for the ARM SMMU driver
 
 	* There is now a generic device tree binding documented for
 	  ARM IOMMUs
 
 	* Various fixes and cleanups all over the place
 
 Also included are some changes to the OMAP code, which are acked by the
 maintainer.
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Merge tag 'iommu-updates-v3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull iommu updates from Joerg Roedel:
 "This time with:

   - support for the generic PCI device alias code in x86 IOMMU drivers

   - a new sysfs interface for IOMMUs

   - preparations for hotplug support in the Intel IOMMU driver

   - change the AMD IOMMUv2 driver to not hold references to core data
     structures like mm_struct or task_struct.  Rely on mmu_notifers
     instead.

   - removal of the OMAP IOVMM interface, all users of it are converted
     to DMA-API now

   - make the struct iommu_ops const everywhere

   - initial PCI support for the ARM SMMU driver

   - there is now a generic device tree binding documented for ARM
     IOMMUs

   - various fixes and cleanups all over the place

  Also included are some changes to the OMAP code, which are acked by
  the maintainer"

* tag 'iommu-updates-v3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (67 commits)
  devicetree: Add generic IOMMU device tree bindings
  iommu/vt-d: Fix race setting IRQ CPU affinity while freeing IRQ
  iommu/amd: Fix 2 typos in comments
  iommu/amd: Fix device_state reference counting
  iommu/amd: Remove change_pte mmu_notifier call-back
  iommu/amd: Don't set pasid_state->mm to NULL in unbind_pasid
  iommu/exynos: Select ARM_DMA_USE_IOMMU
  iommu/vt-d: Exclude devices using RMRRs from IOMMU API domains
  iommu/omap: Remove platform data da_start and da_end fields
  ARM: omap: Don't set iommu pdata da_start and da_end fields
  iommu/omap: Remove virtual memory manager
  iommu/vt-d: Fix issue in computing domain's iommu_snooping flag
  iommu/vt-d: Introduce helper function iova_size() to improve code readability
  iommu/vt-d: Introduce helper domain_pfn_within_range() to simplify code
  iommu/vt-d: Simplify intel_unmap_sg() and kill duplicated code
  iommu/vt-d: Change iommu_enable/disable_translation to return void
  iommu/vt-d: Simplify include/linux/dmar.h
  iommu/vt-d: Avoid freeing virtual machine domain in free_dmar_iommu()
  iommu/vt-d: Fix possible invalid memory access caused by free_dmar_iommu()
  iommu/vt-d: Allocate dynamic domain id for virtual domains only
  ...
2014-08-05 15:59:35 -07:00
Linus Torvalds
c489d98c8c Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm
Pull ARM updates from Russell King:
 "Included in this update:

   - perf updates from Will Deacon:

     The main changes are callchain stability fixes from Jean Pihet and
     event mapping and PMU name rework from Mark Rutland

     The latter is preparatory work for enabling some code re-use with
     arm64 in the future.

   - updates for nommu from Uwe Kleine-König:

     Two different fixes for the same problem making some ARM nommu
     configurations not boot since 3.6-rc1.  The problem is that
     user_addr_max returned the biggest available RAM address which
     makes some copy_from_user variants fail to read from XIP memory.

   - deprecate legacy OMAP DMA API, in preparation for it's removal.

     The popular drivers have been converted over, leaving a very small
     number of rarely used drivers, which hopefully can be converted
     during the next cycle with a bit more visibility (and hopefully
     people popping out of the woodwork to help test)

   - more tweaks for BE systems, particularly with the kernel image
     format.  In connection with this, I've cleaned up the way we
     generate the linker script for the decompressor.

   - removal of hard-coded assumptions of the kernel stack size, making
     everywhere depend on the value of THREAD_SIZE_ORDER.

   - MCPM updates from Nicolas Pitre.

   - Make it easier for proper CPU part number checks (which should
     always include the vendor field).

   - Assembly code optimisation - use the "bx" instruction when
     returning from a function on ARMv6+ rather than "mov pc, reg".

   - Save the last kernel misaligned fault location and report it via
     the procfs alignment file.

   - Clean up the way we create the initial stack frame, which is a
     repeated pattern in several different locations.

   - Support for 8-byte get_user(), needed for some DRM implementations.

   - mcs locking from Will Deacon.

   - Save and restore a few more Cortex-A9 registers (for errata
     workarounds)

   - Fix various aspects of the SWP emulation, and the ELF hwcap for the
     SWP instruction.

   - Update LPAE logic for pte_write and pmd_write to make it more
     correct.

   - Support for Broadcom Brahma15 CPU cores.

   - ARM assembly crypto updates from Ard Biesheuvel"

* 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: (53 commits)
  ARM: add comments to the early page table remap code
  ARM: 8122/1: smp_scu: enable SCU standby support
  ARM: 8121/1: smp_scu: use macro for SCU enable bit
  ARM: 8120/1: crypto: sha512: add ARM NEON implementation
  ARM: 8119/1: crypto: sha1: add ARM NEON implementation
  ARM: 8118/1: crypto: sha1/make use of common SHA-1 structures
  ARM: 8113/1: remove remaining definitions of PLAT_PHYS_OFFSET from <mach/memory.h>
  ARM: 8111/1: Enable erratum 798181 for Broadcom Brahma-B15
  ARM: 8110/1: do CPU-specific init for Broadcom Brahma15 cores
  ARM: 8109/1: mm: Modify pte_write and pmd_write logic for LPAE
  ARM: 8108/1: mm: Introduce {pte,pmd}_isset and {pte,pmd}_isclear
  ARM: hwcap: disable HWCAP_SWP if the CPU advertises it has exclusives
  ARM: SWP emulation: only initialise on ARMv7 CPUs
  ARM: SWP emulation: always enable when SMP is enabled
  ARM: 8103/1: save/restore Cortex-A9 CP15 registers on suspend/resume
  ARM: 8098/1: mcs lock: implement wfe-based polling for MCS locking
  ARM: 8091/2: add get_user() support for 8 byte types
  ARM: 8097/1: unistd.h: relocate comments back to place
  ARM: 8096/1: Describe required sort order for textofs-y (TEXT_OFFSET)
  ARM: 8090/1: add revision info for PL310 errata 588369 and 727915
  ...
2014-08-05 10:05:29 -07:00
Linus Torvalds
53ee983378 Staging driver patches for 3.17-rc1
Here's the big pull request for the staging driver tree for 3.17-rc1.
 
 Lots of things in here, over 2000 patches, but the best part is this:
  1480 files changed, 39070 insertions(+), 254659 deletions(-)
 
 Thanks to the great work of Kristina Martšenko, 14 different staging
 drivers have been removed from the tree as they were obsolete and no one
 was willing to work on cleaning them up.  Other than the driver
 removals, loads of cleanups are in here (comedi, lustre, etc.) as well
 as the usual IIO driver updates and additions.
 
 All of this has been in the linux-next tree for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver updates from Greg KH:
 "Here's the big pull request for the staging driver tree for 3.17-rc1.

  Lots of things in here, over 2000 patches, but the best part is this:
   1480 files changed, 39070 insertions(+), 254659 deletions(-)

  Thanks to the great work of Kristina Martšenko, 14 different staging
  drivers have been removed from the tree as they were obsolete and no
  one was willing to work on cleaning them up.  Other than the driver
  removals, loads of cleanups are in here (comedi, lustre, etc.) as well
  as the usual IIO driver updates and additions.

  All of this has been in the linux-next tree for a while"

* tag 'staging-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (2199 commits)
  staging: comedi: addi_apci_1564: remove diagnostic interrupt support code
  staging: comedi: addi_apci_1564: add subdevice to check diagnostic status
  staging: wlan-ng: coding style problem fix
  staging: wlan-ng: fixing coding style problems
  staging: comedi: ii_pci20kc: request and ioremap memory
  staging: lustre: bitwise vs logical typo
  staging: dgnc: Remove unneeded dgnc_trace.c and dgnc_trace.h
  staging: dgnc: rephrase comment
  staging: comedi: ni_tio: remove some dead code
  staging: rtl8723au: Fix static symbol sparse warning
  staging: rtl8723au: usb_dvobj_init(): Remove unused variable 'pdev_desc'
  staging: rtl8723au: Do not duplicate kernel provided USB macros
  staging: rtl8723au: Remove never set struct pwrctrl_priv.bHWPowerdown
  staging: rtl8723au: Remove two never set variables
  staging: rtl8723au: RSSI_test is never set
  staging:r8190: coding style: Fixed checkpatch reported Error
  staging:r8180: coding style: Fixed too long lines
  staging:r8180: coding style: Fixed commenting style
  staging: lustre: ptlrpc: lproc_ptlrpc.c - fix dereferenceing user space buffer
  staging: lustre: ldlm: ldlm_resource.c - fix dereferenceing user space buffer
  ...
2014-08-04 18:36:12 -07:00
Jeremy Vial
ae21e6180a ARM: OMAP3: Fix coding style problems in arch/arm/mach-omap2/control.c
Fix coding style problems in arch/arm/mach-omap2/control.c.

Signed-off-by: Jeremy Vial <jvial@adeneo-embedded.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-08-01 01:21:14 -07:00
Jeremy Vial
9b5f7428f8 ARM: OMAP3: Fix choice of omap3_restore_es function in OMAP34XX rev3.1.2 case.
According to the comment “restore_es3: applies to 34xx >= ES3.0" in
"arch/arm/mach-omap2/sleep34xx.S”, omap3_restore_es3 should be used
if the revision of an OMAP34xx is ES3.1.2.

Signed-off-by: Jeremy Vial <jvial@adeneo-embedded.com>
Cc: stable@vger.kernel.org
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-08-01 01:17:50 -07:00
Joerg Roedel
4c5e9d9f0d Merge branches 'x86/vt-d', 'x86/amd', 'arm/omap', 'ppc/pamu', 'arm/smmu', 'arm/exynos' and 'core' into next 2014-07-31 20:29:02 +02:00
Tony Lindgren
d40dbcd57b Modify OMAP PLL rate rounding function to round to the exact rate requested
or the next one below it.  This is intended to resolve some DSS problems.
 
 Basic build, boot, and PM test results are available here:
 
 http://www.pwsan.com/omap/testlogs/clock-b-v3.17/20140725061121/
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Merge tag 'for-v3.17/omap-clock-b' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v3.17/soc

Modify OMAP PLL rate rounding function to round to the exact rate requested
or the next one below it.  This is intended to resolve some DSS problems.

Basic build, boot, and PM test results are available here:

http://www.pwsan.com/omap/testlogs/clock-b-v3.17/20140725061121/
2014-07-29 04:03:30 -07:00
Laurent Pinchart
4aa5dd7e56 ARM: omap: Don't set iommu pdata da_start and da_end fields
The fields are not used by the driver and will be removed from platform
data. Don't set them.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2014-07-29 12:39:23 +02:00
Arnd Bergmann
944483d033 Merge branch 'next/fixes-non-critical' into next/soc
This resolves a nontrivial conflict against a bug fix
in another branch.

Conflicts:
	arch/arm/mach-exynos/pm.c

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-07-26 17:54:21 +02:00
Arnd Bergmann
fd9f5edf6e Fixes for omaps that were not considered urgent enough for the
rc series. Mostly a fix for GPMC allocation and omap5 ABB
 (Adaptive Body Bias).
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Merge tag 'omap-for-v3.17/fixes-not-urgent-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/fixes-non-critical

Merge non-urgent omap fixes from Tony Lindgren:

Fixes for omaps that were not considered urgent enough for the
rc series. Mostly a fix for GPMC allocation and omap5 ABB
(Adaptive Body Bias).

* tag 'omap-for-v3.17/fixes-not-urgent-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: omap2+: gpmc-nand: Use dynamic platform_device_alloc()
  omap16xx: Removes fixme no longer needed in ocpi_enable()
  ARM: dts: OMAP5: Add device nodes for ABB
  ARM: omap2+: usb-tusb6010.c: Cleaning up variable is set more than once

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-07-26 11:36:28 +02:00
Arnd Bergmann
0081b77d98 SoC related changes for omaps for v3.17 merge window:
- Add device tree and hwmod data for various devices
   for new SoCs
 
 - Remove legacy mailbox hwmod data that's no longer
   needed for SoCs that are DT only. Note that this may
   cause a minor merge conflict in mach-omap2/devices.c
   with omap_init_mbox() and omap_init_hdmi_audio(), both
   are legacy code that is getting removed
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Merge tag 'omap-for-v3.17/soc-new' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc

Merge "SoC related changes for omaps for v3.17 merge window"
from Tony Lindgren:

- Add device tree and hwmod data for various devices
  for new SoCs

- Remove legacy mailbox hwmod data that's no longer
  needed for SoCs that are DT only. Note that this may
  cause a minor merge conflict in mach-omap2/devices.c
  with omap_init_mbox() and omap_init_hdmi_audio(), both
  are legacy code that is getting removed

* tag 'omap-for-v3.17/soc-new' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: DRA7: hwmod: Add data for RTC
  arm: dra7xx: Add hwmod data for MDIO and CPSW
  arm: dra7xx: Add hwmod data for pcie1 and pcie2 subsystems
  arm: dra7xx: Add hwmod data for pcie1 phy and pcie2 phy
  ARM: DRA7: hwmod: Add OCP2SCP3 module
  ARM: DRA7: hwmod: remove interrupts for DMA
  ARM: OMAP2+: DMA: remove requirement of irq for platform-dma driver
  ARM: AM33xx: hwmod_data: Remove legacy mailbox addrs
  ARM: OMAP4: hwmod_data: Remove legacy mailbox addrs
  ARM: OMAP2: hwmod_data: Remove legacy mailbox data and addrs
  ARM: OMAP2+: Avoid mailbox legacy device creation for DT-boot
  ARM: DRA7: hwmod_data: Add mailbox hwmod data
  ARM: dts: DRA7: Add mailbox nodes
  ARM: dts: AM4372: Correct mailbox node data
  ARM: dts: AM33xx: Add mailbox node
  ARM: dts: OMAP4: Add mailbox node
  ARM: dts: OMAP2+: Add mailbox fifo and user information
  ARM: AM43xx: hwmod: add DSS hwmod data

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-07-26 11:33:34 +02:00
Arnd Bergmann
ba66d7f00f Merge branch 'omap/cleanup' into next/soc
This is a dependency for the omap/soc branch

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-07-26 11:32:47 +02:00
Paul Walmsley
0a26344440 ARM: OMAP2+: clock: allow omap2_dpll_round_rate() to round to next-lowest rate
Change the behavior of omap2_dpll_round_rate() to round to either the
exact rate requested, or the next lowest rate that the clock is able to
provide.

This is not an ideal fix, but is intended to provide a relatively safe
way for drivers to set PLL rates, until a better solution can be
implemented.

For the time being, omap3_noncore_dpll_set_rate() is still allowed to
set its rate to something other than what the caller requested; but will
warn when this occurs.

Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-25 06:11:15 -06:00
Christoph Fritz
33753cd2ba ARM: OMAP2+: gpmc: fix gpmc_hwecc_bch_capable()
This patch adds bch8 ecc software fallback which is mostly used by
omap3s because they lack hardware elm support.

Fixes: 0611c41934 (ARM: OMAP2+: gpmc:
update gpmc_hwecc_bch_capable() for new platforms and ECC schemes)
Cc: <stable@vger.kernel.org> # 3.15.x+
Signed-off-by: Christoph Fritz <chf.fritz@googlemail.com>
Reviewed-by: Pekon Gupta <pekon@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-07-23 01:48:24 -07:00
Tony Lindgren
3965f5ba04 Merge branch 'omap-for-v3.17/mailbox' into omap-for-v3.17/soc 2014-07-23 01:26:02 -07:00
Tony Lindgren
ecf4c7938f OMAP hwmod data additions for v3.17. Most of these are DRA7xx-related,
although one patch adds DSS hwmods for AM43xx.
 
 Basic build, boot, and PM test results are available here:
 
 http://www.pwsan.com/omap/testlogs/hwmod-a-v3.17/20140722143514/
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Merge tag 'for-v3.17/omap-hwmod-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v3.17/soc

OMAP hwmod data additions for v3.17.  Most of these are DRA7xx-related,
although one patch adds DSS hwmods for AM43xx.

Basic build, boot, and PM test results are available here:

http://www.pwsan.com/omap/testlogs/hwmod-a-v3.17/20140722143514/
2014-07-23 01:21:33 -07:00
Mark Brown
78c5e0bb14 PM / OPP: Remove ARCH_HAS_OPP
Since the OPP layer is a kernel library which has been converted to be
directly selectable by its callers rather than user selectable and
requiring architectures to enable it explicitly the ARCH_HAS_OPP symbol
has become redundant and can be removed. Do so.

Signed-off-by: Mark Brown <broonie@linaro.org>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Nishanth Menon <nm@ti.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Shawn Guo <shawn.guo@freescale.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-07-23 00:51:30 +02:00
Lokesh Vutla
c913c8a15a ARM: DRA7: hwmod: Add data for RTC
Add hwmod data for RTC

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Reviewed-by: Rajendra Nayak <rnayak@ti.com>
[paul@pwsan.com: updated to apply]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-22 14:35:06 -06:00
Mugunthan V N
077c42f75e arm: dra7xx: Add hwmod data for MDIO and CPSW
Adding hwmod data for CPSW and MDIO which is present in DRA7xx SoC

Cc: Rajendra Nayak <rnayak@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Tested-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-22 14:35:05 -06:00
Kishon Vijay Abraham I
8dd3eb711e arm: dra7xx: Add hwmod data for pcie1 and pcie2 subsystems
Added hwmod data for pcie1 and pcie2 subsystem present in DRA7xx SOC.

Cc: Tony Lindgren <tony@atomide.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Tested-by: Kishon Vijay Abraham I <kishon@ti.com>
Reviewed-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-22 14:35:05 -06:00
Kishon Vijay Abraham I
70c18ef7f1 arm: dra7xx: Add hwmod data for pcie1 phy and pcie2 phy
Added hwmod data for pcie1 and pcie2 phy present in DRA7xx SOC.
Also added the missing CLKCTRL OFFSET macro and CONTEXT OFFSET macro
for pcie1 phy and pcie2 phy.

Cc: Tony Lindgren <tony@atomide.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Tested-by: Kishon Vijay Abraham I <kishon@ti.com>
Reviewed-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-22 14:35:05 -06:00
Roger Quadros
df0d0f11ff ARM: DRA7: hwmod: Add OCP2SCP3 module
This module is needed for the SATA and PCIe PHYs.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Reviewed-by: Rajendra Nayak <rnayak@ti.com>
Tested-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-22 14:35:05 -06:00
Nishanth Menon
2aa7f52b53 ARM: DRA7: hwmod: remove interrupts for DMA
DMA interrupts are now available in of, and the definitions are
duplicates in hwmod. This prevents us from dynamically allocating
interrupt resources for dma from devicetree.

Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-07-21 23:32:51 -07:00
Nishanth Menon
76be4a5415 ARM: OMAP2+: DMA: remove requirement of irq for platform-dma driver
we have currently 2 DMA drivers that try to co-exist.
drivers/dma/omap-dma.c which registers it's own IRQ and is device tree
aware and uses arch/arm/plat-omap/dma.c instance created by
arch/arm/mach-omap2/dma.c to maintain channel usage (omap_request_dma).

Currently both try to register interrupts and mach-omap2/plat-omap dma.c
attempts to use the IRQ number registered by hwmod to register it's own
interrupt handler.

Now, there is no reasonable way of static allocating DMA irq in GIC
SPI when we use crossbar. However, since the dma_chan structure is
freed as a result of IRQ not being present due to devm allocation,
maintaining information of channel by platform code fails at a later
point in time when that region of memory is reused.

So, if hwmod does not indicate an IRQ number, then, assume that
dma-engine will take care of the interrupt handling.

Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-07-21 23:32:51 -07:00
Olof Johansson
9db58cc9f3 SoC specific omap clean-up for v3.17 merge window:
- Changes to PRM and clock related code to help move
   things to drivers
 
 - Removal of unused ctrl module defines that no longer
   are needed with things moving to .dts files and
   drivers
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Merge tag 'omap-for-v3.17/soc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/cleanup

Merge "omap soc clean-up for v3.17 merge window" from Tony Lindgren:

SoC specific omap clean-up for v3.17 merge window:
 - Changes to PRM and clock related code to help move
   things to drivers
 - Removal of unused ctrl module defines that no longer
   are needed with things moving to .dts files and
   drivers

* tag 'omap-for-v3.17/soc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (23 commits)
  ARM: OMAP2+: clock/interface: remove some headers from clkt_iclk.c file
  ARM: OMAP2+: clock/dpll: remove unused header includes from dpll3xxx.c
  ARM: OMAP2+: clock/dpll: remove unused header includes from clkt_dpll.c
  ARM: OMAP2+: clock/interface: add a clk_features definition for idlest value
  ARM: OMAP2+: clock/dpll: add jitter correction behind clk_features
  ARM: OMAP2+: clock/dpll: convert bypass check to use clk_features
  ARM: OMAP2+: clock/dpll: add private API for checking if DPLL is in bypass
  ARM: OMAP2+: clock: add fint values to the ti_clk_features struct
  ARM: OMAP2+: clock: introduce ti_clk_features flags
  ARM: OMAP4+: dpll44xx: remove cm-regbits-44xx.h and clock44xx.h includes
  ARM: OMAP4+: dpll: remove cpu_is_omap44xx checks
  ARM: OMAP4+: clock: remove DEFINE_CLK_OMAP_HSDIVIDER macro
  ARM: OMAP4: Ctrl module register define diet
  ARM: OMAP3: control: isolate control module init to its own function
  ARM: OMAP3: PRM: move modem reset and iva2 idle to PRM driver
  ARM: OMAP3: control: add API for setting up the modem pads
  ARM: OMAP3: PRM: move PRM init code from PM core to the driver
  ARM: OMAP24xx: PRM: add API for clearing wakeup status bits
  ARM: OMAP3: PRM: add API for saving PRM scratchpad contents
  ARM: OMAP3: PRM: add API for checking and clearing cold reset status
  ...

Signed-off-by: Olof Johansson <olof@lixom.net>
2014-07-21 10:49:46 -07:00
Tony Lindgren
3db53918e3 An OMAP clock cleanup series for 3.17 from Tero Kristo.
This is in preparation for moving this code into drivers/clk/ti.
 
 Basic build, boot, and PM test logs are here:
 
 http://www.pwsan.com/omap/testlogs/clock-a-v3.17/20140717034329/
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Merge tag 'for-v3.17/omap-clock-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v3.17/soc

An OMAP clock cleanup series for 3.17 from Tero Kristo.
This is in preparation for moving this code into drivers/clk/ti.

Basic build, boot, and PM test logs are here:

http://www.pwsan.com/omap/testlogs/clock-a-v3.17/20140717034329/
2014-07-21 00:35:38 -07:00
Olof Johansson
730346236a arm: Xilinx Zynq dt patches for v3.17
- Document and use new cadence serial binding
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Merge tag 'zynq-dt-for-3.17' of git://git.xilinx.com/linux-xlnx into next/dt

Merge "Xilinx Zynq changes for v3.17" from Michal Simek:

arm: Xilinx Zynq dt patches for v3.17

- Document and use new cadence serial binding

* tag 'zynq-dt-for-3.17' of git://git.xilinx.com/linux-xlnx:
  ARM: zynq: DT: Migrate UART to Cadence binding
  tty: cadence: Document DT binding
  + Linux 3.16-rc5

Signed-off-by: Olof Johansson <olof@lixom.net>
2014-07-19 12:16:34 -07:00
Olof Johansson
412a9bbd12 First set of .dts changes for omaps for v3.17 merge
window:
 
 - Enable irqchip crossbar interrupt mapping. These changes
   are based on an immutable irqchip branch set up by Jason
   Cooper to make it easier to merge the related .dts changes.
 
 - Removal of omap2 related static clock data that now comes
   from device tree.
 
 - Enabling of PHY regulators for various omaps
 
 - Enabling of PCIe for dra7
 
 - Add support for am437x starterkit
 
 - Enable audio for for omap5
 
 - Enable display and am335x-evmsk
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Merge tag 'omap-for-v3.17/dt-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/dt

Merge "omap dts changes for v3.17 merge window, part1" from Tony Lindgren:

First set of .dts changes for omaps for v3.17 merge window:

- Enable irqchip crossbar interrupt mapping. These changes
  are based on an immutable irqchip branch set up by Jason
  Cooper to make it easier to merge the related .dts changes.

- Removal of omap2 related static clock data that now comes
  from device tree.

- Enabling of PHY regulators for various omaps

- Enabling of PCIe for dra7

- Add support for am437x starterkit

- Enable audio for for omap5

- Enable display and am335x-evmsk

* tag 'omap-for-v3.17/dt-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (43 commits)
  ARM: DTS: omap5-uevm: Enable basic audio (McPDM <-> twl6040)
  ARM: DTS: omap5-uevm: Add node for twl6040 audio codec
  ARM: DTS: omap5-uevm: Enable palmas clk32kgaudio clock
  ARM: dts: dra7: Add dt data for PCIe controller
  ARM: dts: dra7: Add dt data for PCIe PHY
  ARM: dts: dra7: Add dt data for PCIe PHY control module
  ARM: dts: dra7xx-clocks: Add missing clocks for second PCIe PHY instance
  ARM: dts: dra7xx-clocks: rename pcie clocks to accommodate second PHY instance
  ARM: dts: dra7xx-clocks: Add missing 32KHz clocks used for PHY
  ARM: dts: dra7xx-clocks: Change the parent of apll_pcie_in_clk_mux to dpll_pcie_ref_m2ldo_ck
  ARM: dts: dra7xx-clocks: Add divider table to optfclk_pciephy_div clock
  ARM: dts: dra7-evm: Add regulator information to USB2 PHYs
  ARM: omap2plus_defconfig: enable TPS65218 configs
  ARM: dts: AM437x: Add TPS65218 device tree nodes
  ARM: dts: AM437x: Fix i2c nodes indentation
  ARM: dts: AM43x: Add TPS65218 device tree nodes
  ARM: dts: Add devicetree for Gumstix Pepper board
  ARM: dts: dra7: add crossbar device binding
  ARM: dts: dra7: add routable-irqs property for gic node
  ARM: OMAP24xx: clock: remove legacy clock data
  ...

Signed-off-by: Olof Johansson <olof@lixom.net>
2014-07-18 22:16:48 -07:00
Russell King
6ebbf2ce43 ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
ARMv6 and greater introduced a new instruction ("bx") which can be used
to return from function calls.  Recent CPUs perform better when the
"bx lr" instruction is used rather than the "mov pc, lr" instruction,
and this sequence is strongly recommended to be used by the ARM
architecture manual (section A.4.1.1).

We provide a new macro "ret" with all its variants for the condition
code which will resolve to the appropriate instruction.

Rather than doing this piecemeal, and miss some instances, change all
the "mov pc" instances to use the new macro, with the exception of
the "movs" instruction and the kprobes code.  This allows us to detect
the "mov pc, lr" case and fix it up - and also gives us the possibility
of deploying this for other registers depending on the CPU selection.

Reported-by: Will Deacon <will.deacon@arm.com>
Tested-by: Stephen Warren <swarren@nvidia.com> # Tegra Jetson TK1
Tested-by: Robert Jarzmik <robert.jarzmik@free.fr> # mioa701_bootresume.S
Tested-by: Andrew Lunn <andrew@lunn.ch> # Kirkwood
Tested-by: Shawn Guo <shawn.guo@freescale.com>
Tested-by: Tony Lindgren <tony@atomide.com> # OMAPs
Tested-by: Gregory CLEMENT <gregory.clement@free-electrons.com> # Armada XP, 375, 385
Acked-by: Sekhar Nori <nsekhar@ti.com> # DaVinci
Acked-by: Christoffer Dall <christoffer.dall@linaro.org> # kvm/hyp
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com> # PXA3xx
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> # Xen
Tested-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> # ARMv7M
Tested-by: Simon Horman <horms+renesas@verge.net.au> # Shmobile
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-07-18 12:29:04 +01:00
Kristina Martšenko
f65f6455fc ARM: OMAP2+: remove DSP platform device
It was added to support DSP Bridge. Since DSP Bridge was removed, and
nothing else is using the platform device, remove it too.

Signed-off-by: Kristina Martšenko <kristina.martsenko@gmail.com>
Cc: Omar Ramirez Luna <omar.ramirez@copitl.com>
Cc: Suman Anna <s-anna@ti.com>
Cc: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-07-15 21:01:05 -07:00
Tero Kristo
acd052bb81 ARM: OMAP2+: clock/interface: remove some headers from clkt_iclk.c file
Instead, copy the used constants from the header file to the source file.
This allows the code to be migrated under drivers folder where we don't
have access to the OMAP specific header files.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reviewed-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-15 14:09:24 -06:00
Tero Kristo
9ac77edacd ARM: OMAP2+: clock/dpll: remove unused header includes from dpll3xxx.c
Some of the machine specific header includes are no longer used, so remove
these from the source file. This allows migration of the file under clock
driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reviewed-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-15 14:09:20 -06:00
Tero Kristo
b166730c4a ARM: OMAP2+: clock/dpll: remove unused header includes from clkt_dpll.c
Some of the machine specific header includes are no longer used, so remove
these from the source file. This allows migration of the file under clock
driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reviewed-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-15 14:09:17 -06:00
Tero Kristo
066edb2d57 ARM: OMAP2+: clock/interface: add a clk_features definition for idlest value
Helps to get rid of some runtime cpu_is_x checks. This also allows eventual
migration of the code under clock driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reviewed-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-15 14:09:13 -06:00
Tero Kristo
2337c5b58b ARM: OMAP2+: clock/dpll: add jitter correction behind clk_features
Currently DPLL code uses runtime cpu_is_343x checks to see if the DPLL
has freqsel fields in its control register or not. Instead, add a new
flag to the clk_features.flags and use this during runtime. Allows
eventual move of the DPLL code under clock driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reviewed-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-15 14:09:10 -06:00
Tero Kristo
512d91cbd9 ARM: OMAP2+: clock/dpll: convert bypass check to use clk_features
OMAP2 DPLL code for checking whether DPLL is in bypass mode now uses
clk_features data provided during boot. This avoids the need to use
cpu_is_X type checks runtime, and allows us to eventually move the
clock code under the clock driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reviewed-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-15 14:09:06 -06:00
Tero Kristo
5f84aeb6a1 ARM: OMAP2+: clock/dpll: add private API for checking if DPLL is in bypass
Currently, same functionality is copy pasted in two locations. Instead,
add a private API for this and get rid of some duplicated code.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reviewed-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-15 14:09:03 -06:00
Tero Kristo
a24886e263 ARM: OMAP2+: clock: add fint values to the ti_clk_features struct
These are SoC specific and get their init values based on the SoC type.
Previously the values were hard coded within the DPLL clock code, but
having them inside the clock features avoids runtime cpu_is_X type checks.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reviewed-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-15 14:08:59 -06:00
Tero Kristo
8111e01045 ARM: OMAP2+: clock: introduce ti_clk_features flags
This shall be used to replace the cpu type checks around the clock code.
Actual bit values will be introduced in patches later.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reviewed-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-15 14:08:55 -06:00
Tero Kristo
44b65e760e ARM: OMAP4+: dpll44xx: remove cm-regbits-44xx.h and clock44xx.h includes
Instead, copy the used bitfield definitions to the source file. Done in
preparation to migrate the clock implementation under clock driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reviewed-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-15 14:08:49 -06:00
Tero Kristo
74b9b62b60 ARM: OMAP4+: dpll: remove cpu_is_omap44xx checks
These are unnecessary, as the clock code is only used on OMAP4+ platforms
through clock registrations. This also allows to eventually migrate the
clock type implementation under clock driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reviewed-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-15 14:08:42 -06:00
Tony Lindgren
81c6d80661 Merge branch 'for-v3.17/cm-prm-cleanup' of https://github.com/t-kristo/linux-pm into omap-for-v3.17/soc 2014-07-15 07:00:00 -07:00
Suman Anna
cbf14f3ab9 ARM: AM33xx: hwmod_data: Remove legacy mailbox addrs
The legacy-style definition of the hwmod addr space is no longer
required as AM33xx/AM43xx are DT-boot only, and the minimal mailbox
DT nodes have been added, so clean up this data.

Acked-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-07-15 05:08:56 -07:00
Suman Anna
6be5da73fc ARM: OMAP4: hwmod_data: Remove legacy mailbox addrs
The legacy-style definition of the hwmod addr space is no longer
required after the addition of the OMAP4 mailbox DT node, so
clean up this data.

Cc: Paul Walmsley <paul@pwsan.com>
Cc: Benoît Cousson <bcousson@baylibre.com>
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-07-15 05:08:56 -07:00
Suman Anna
635b3801e0 ARM: OMAP2: hwmod_data: Remove legacy mailbox data and addrs
OMAP2 devices are devicetree boot only, and the legacy mode
of mailbox device creation should no longer be used, so remove
the mailbox attribute data and the hwmod addr space used for
creating mailboxes in legacy mode.

Acked-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-07-15 05:08:56 -07:00
Suman Anna
dbd5f4603e ARM: OMAP2+: Avoid mailbox legacy device creation for DT-boot
The legacy platform device for mailbox should not be created for
a DT boot, so adjust the platform device initialization logic
appropriately.

Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-07-15 05:08:56 -07:00
Suman Anna
067395d49c ARM: DRA7: hwmod_data: Add mailbox hwmod data
Add the hwmod data for the 13 instances of the system mailbox
IP in DRA7 SoC. The patch is needed for performing a soft-reset
while configuring the respective mailbox instance, otherwise is
a non-essential change for functionality. The modules are smart
idled on reset, and the IP module mode is hardware controlled.

Cc: Rajendra Nayak <rnayak@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-07-15 05:08:56 -07:00
Tony Lindgren
00e4e5b5b0 Merge remote-tracking branch 'roger/for-v3.17/gpmc-omap' into omap-for-v3.17/fixes-not-urgent 2014-07-15 00:24:39 -07:00
Sekhar Nori
ba394f0b6a ARM: OMAP2+: l2c: squelch warning dump on power control setting
On OMAP SOCs using PL310 controllers, power_ctrl register is not
accessible from non-secure software even on PL310 versions which
support it. The secure code takes care of setting it up correctly
and power transitions are proven on these devices.

For example, AM437x has L2C-310 version r3p3 and ROM code on that
device does not support writing to L2C-310 power control register.
The L2C driver, however, tries writing to this register for all
revisions >= r3p0.

This leads to a warning dump on boot which leads most users to believe
that L2 cache is non-functional.

Since the problem is understood, and cannot be addressed through
software, replace the warning with a pr_info() while maintaining the
WARN_ON() for other truly unexpected scenarios.

Reported-by: Nishanth Menon <nm@ti.com>
Tested-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-07-14 09:24:43 -07:00
Rostislav Lisovy
97a288ba2c ARM: omap2+: gpmc-nand: Use dynamic platform_device_alloc()
GPMC controller supports up to 8 memory devices connected to it.
Since there is one statically allocated "struct platform_device
gpmc_nand_device" it is not possible to configure the system to
use more than one NAND device connected to the GPMC. This
modification makes it possible to use up to 8 NAND devices
connected to the GPMC controller.

Signed-off-by: Rostislav Lisovy <lisovy@merica.cz>
Signed-off-by: Roger Quadros <rogerq@ti.com>
2014-07-11 16:15:13 +03:00
Tero Kristo
0b6fbd68b2 ARM: OMAP4+: clock: remove DEFINE_CLK_OMAP_HSDIVIDER macro
This clock type declaration is no longer used as all omap4+ SoC clock
data has been moved to DT, thus remove it.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reviewed-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-11 03:51:16 -06:00
Joachim Eastwood
6bf5885959 ARM: OMAP4: Ctrl module register define diet
The mach-omap2 directory contains full register defines for OMAP4
control module but only around 27 of those are used. There are is
a total of 1795 register defines in four files with only 27 in use.
That is pretty low usefulness ratio...

I guess alot more was used when we had omap4 board files and
mach-omap2 contained more drivers but this has now changed.

Signed-off-by: Joachim Eastwood <manabian@gmail.com>
[tony@atomide.com: updated to apply]
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-07-09 02:22:45 -07:00
Jyri Sarha
1d29a0722f ARM: OMAP2+: Remove non working OMAP HDMI audio initialization
This code is not working currently and it can be removed. There is a
conflict in sharing resources with the actual HDMI driver and with
the ASoC HDMI audio DAI driver.

Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-07-08 01:08:44 -07:00
Tony Lindgren
aa3b465b5e Some miscellaneous fixes for OMAP clock code, DRA7xx device data, and
PRCM code (when DSPBridge is used) for v3.16-rc.
 
 Basic build, boot, and PM test logs are available here:
 
 http://www.pwsan.com/omap/testlogs/prcm-a-v3.16-rc/20140706174258/
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Merge tag 'for-v3.16-rc/omap-fixes-b' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v3.16/fixes

Some miscellaneous fixes for OMAP clock code, DRA7xx device data, and
PRCM code (when DSPBridge is used) for v3.16-rc.

Basic build, boot, and PM test logs are available here:

http://www.pwsan.com/omap/testlogs/prcm-a-v3.16-rc/20140706174258/
2014-07-08 01:03:54 -07:00
Guido Martínez
68e2eb533e ARM: OMAP2+: Make GPMC skip disabled devices
Currently, child nodes of the gpmc node are iterated and probed
regardless of their 'status' property. This means adding 'status =
"disabled";' has no effect.

This patch changes the iteration to only probe nodes marked as
available.

Signed-off-by: Guido Martínez <guido@vanguardiasur.com.ar>
Tested-by: Pekon Gupta <pekon@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-07-07 04:57:17 -07:00
Suman Anna
526570cb20 ARM: OMAP2+: create dsp device only on OMAP3 SoCs
The DSP platform device for TI DSP/Bridge is currently
created unconditionally whenever CONFIG_TIDSPBRIDGE is
enabled. This device should only be created on OMAP34xx/
OMAP36xx SoCs, and not for other OMAP3 derived SoCs or when
booting multi-arch images on other SoCs. So, add a check for
the SoC family both before creating the device and allocating
the carveout memory for the device.

Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-07-07 04:57:06 -07:00
Nishanth Menon
7abb1a530e ARM: DRA7/AM43XX: fix header definition for omap44xx_restart
omap44xx_restart is defined as a static void inline when DRA7/AM437X is
defined alone, which implies that the restart function is no longer
functional even though it is built in. So, fix the definition of the
same.

Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-07-07 04:57:06 -07:00
Rickard Strandqvist
cb4ab22f72 ARM: omap2+: usb-tusb6010.c: Cleaning up variable is set more than once
A struct member variable is set to the same value more than once

This was found using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-07-07 04:52:31 -07:00
Tero Kristo
6340c8720c ARM: OMAP2+: clock/dpll: fix _dpll_test_fint arithmetics overflow
The divider value provided to the _dpll_test_fint can reach value of
256 with J type DPLLs (USB etc.), which causes an overflow with the u8
datatype. Fix this by changing the parameter to be an int instead.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
[paul@pwsan.com: changed type of 'n' to unsigned int]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-06 15:58:38 -06:00
Roger Quadros
d904b38df0 ARM: DRA7: hwmod: Add SYSCONFIG for usb_otg_ss
Add the sysconfig class bits for the Super Speed USB
controllers

Signed-off-by: Roger Quadros <rogerq@ti.com>
Reviewed-by: Rajendra Nayak <rnayak@ti.com>
Tested-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-06 15:51:24 -06:00
Roger Quadros
1ea0999e08 ARM: DRA7: hwmod: Fixup SATA hwmod
Get rid of optional clock as that is now managed by the
AHCI platform driver.

Correct .mpu_rt_idx to 1 as the module register space (SYSCONFIG..)
is passed as the second memory resource in the device tree.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Reviewed-by: Rajendra Nayak <rnayak@ti.com>
Tested-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-06 15:51:24 -06:00
Suman Anna
0cd8d4052a ARM: OMAP3: PRM/CM: Add back macros used by TI DSP/Bridge driver
The commit 7be914f {ARM: OMAP3: PRM/CM: Cleanup unused header} removed
some of the macros used by the TI DSP/Bridge driver. This fixes the
following build errors when trying to build DSP/Bridge driver (disabled
at present), otherwise results in the following build errors:

drivers/staging/tidspbridge/core/tiomap3430.c:531:31: error: 'OMAP3430_AUTO_IVA2_DPLL_SHIFT' undeclared (first use in this function)
drivers/staging/tidspbridge/core/tiomap3430.c:531:31: note: each undeclared identifier is reported only once for each function it appears in
make[3]: *** [drivers/staging/tidspbridge/core/tiomap3430.o] Error 1
make[3]: *** Waiting for unfinished jobs....
drivers/staging/tidspbridge/core/tiomap_io.c: In function 'sm_interrupt_dsp':
drivers/staging/tidspbridge/core/tiomap_io.c:404:31: error: 'OMAP3430_AUTO_IVA2_DPLL_SHIFT' undeclared (first use in this function)
drivers/staging/tidspbridge/core/tiomap_io.c:404:31: note: each undeclared identifier is reported only once for each function it appears in
drivers/staging/tidspbridge/core/tiomap_io.c:414:12: error: 'OMAP3430_IVA2_DPLL_FREQSEL_SHIFT' undeclared (first use in this function)
drivers/staging/tidspbridge/core/tiomap_io.c:415:12: error: 'OMAP3430_EN_IVA2_DPLL_SHIFT' undeclared (first use in this function)
make[3]: *** [drivers/staging/tidspbridge/core/tiomap_io.o] Error 1
drivers/staging/tidspbridge/core/tiomap3430_pwr.c: In function 'dsp_clk_wakeup_event_ctrl':
drivers/staging/tidspbridge/core/tiomap3430_pwr.c:442:19: error: 'OMAP3430_GRPSEL_GPT5_MASK' undeclared (first use in this function)
drivers/staging/tidspbridge/core/tiomap3430_pwr.c:442:19: note: each undeclared identifier is reported only once for each function it appears in
drivers/staging/tidspbridge/core/tiomap3430_pwr.c:455:19: error: 'OMAP3430_GRPSEL_GPT6_MASK' undeclared (first use in this function)
drivers/staging/tidspbridge/core/tiomap3430_pwr.c:468:19: error: 'OMAP3430_GRPSEL_GPT7_MASK' undeclared (first use in this function)
drivers/staging/tidspbridge/core/tiomap3430_pwr.c:481:19: error: 'OMAP3430_GRPSEL_GPT8_MASK' undeclared (first use in this function)
drivers/staging/tidspbridge/core/tiomap3430_pwr.c:494:19: error: 'OMAP3430_GRPSEL_MCBSP1_MASK' undeclared (first use in this function)
drivers/staging/tidspbridge/core/tiomap3430_pwr.c:546:19: error: 'OMAP3430_GRPSEL_MCBSP5_MASK' undeclared (first use in this function)
make[3]: *** [drivers/staging/tidspbridge/core/tiomap3430_pwr.o] Error 1
make[2]: *** [drivers/staging/tidspbridge] Error 2

Fixes: 7be914f (ARM: OMAP3: PRM/CM: Cleanup unused header)
Cc: Rajendra Nayak <rnayak@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-06 15:51:23 -06:00
Linus Torvalds
75bf757edc ARM: SoC fixes for 3.16-rc
This week's arm-soc fixes:
 
 - A set of of OMAP patches that we had missed Tony's pull request of:
   - Reset fix for am43xx
   - Proper OPP table for omap5
   - Fix for SoC detection of one of the DRA7 SoCs
   - hwmod updates to get SATA and OCP to work on omap5 (drivers merged in 3.16)
   - ... plus a handful of smaller fixes
 - sunxi needed to re-add machine specific restart code that was removed in
   anticipation of a watchdog driver being merged for 3.16, and it didn't make
   it in.
 - Marvell fixes for PCIe on SMP and a big-endian fix.
 - A trivial defconfig update to make my capri test board boot with
   bcm_defconfig again.
 
 ... and a couple of MAINTAINERS updates, one to claim new Keystone
 drivers that have been merged, and one to merge MXS and i.MX (both
 Freescale platforms).
 
 The largest diffs come from the hwmod code for omap5 and the re-add of
 the restart code on sunxi. The hwmod stuff is quite late at this point
 but it slipped through cracks repeatedly while coming up the maintainer
 chain and only affects the one SoC so risk is low.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "This week's arm-soc fixes:

   - A set of of OMAP patches that we had missed Tony's pull request of:
     * Reset fix for am43xx
     * Proper OPP table for omap5
     * Fix for SoC detection of one of the DRA7 SoCs
     * hwmod updates to get SATA and OCP to work on omap5 (drivers
       merged in 3.16)
     * ... plus a handful of smaller fixes
   - sunxi needed to re-add machine specific restart code that was
     removed in anticipation of a watchdog driver being merged for 3.16,
     and it didn't make it in.
   - Marvell fixes for PCIe on SMP and a big-endian fix.
   - A trivial defconfig update to make my capri test board boot with
     bcm_defconfig again.

  ... and a couple of MAINTAINERS updates, one to claim new Keystone
  drivers that have been merged, and one to merge MXS and i.MX (both
  Freescale platforms).

  The largest diffs come from the hwmod code for omap5 and the re-add of
  the restart code on sunxi.  The hwmod stuff is quite late at this
  point but it slipped through cracks repeatedly while coming up the
  maintainer chain and only affects the one SoC so risk is low"

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  MAINTAINERS: Add few more Keystone drivers
  MAINTAINERS: merge MXS entry into IMX one
  ARM: sunxi: Reintroduce the restart code for A10/A20 SoCs
  ARM: mvebu: fix cpuidle implementation to work on big-endian systems
  ARM: mvebu: update L2/PCIe deadlock workaround after L2CC cleanup
  ARM: mvebu: move Armada 375 external abort logic as a quirk
  ARM: bcm: Fix bcm and multi_v7 defconfigs
  ARM: dts: dra7-evm: remove interrupt binding
  ARM: OMAP2+: Fix parser-bug in platform muxing code
  ARM: DTS: dra7/dra7xx-clocks: ATL related changes
  ARM: OMAP2+: drop unused function
  ARM: dts: am43x-epos-evm: Add Missing cpsw-phy-sel for am43x-epos-evm
  ARM: dts: omap5: Update CPU OPP table as per final production Manual
  ARM: DRA722: add detection of SoC information
  ARM: dts: Enable twl4030 off-idle configuration for selected omaps
  ARM: OMAP5: hwmod: Add ocp2scp3 and sata hwmods
  ARM: OMAP2+: hwmod: Change hardreset soc_ops for AM43XX
2014-07-05 16:57:12 -07:00
Sathya Prakash M R
509efaf3d1 ARM: AM43xx: hwmod: add DSS hwmod data
Add DSS hwmod data for AM43xx.

Signed-off-by: Sathya Prakash M R <sathyap@ti.com>
[tomi.valkeinen@ti.com: added missing dispc flags]
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Rajendra Nayak <rnayak@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Tested-by: Felipe Balbi <balbi@ti.com> # on linux-next 5f295cdf5c5d
[paul@pwsan.com: fixed build break on AM43xx-only config]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-05 17:44:57 -06:00
Olof Johansson
5acd78c59a Fixes for omaps for issues discovered during the merge window and
enabling of a few features that had to wait for the driver
 dependencies to clear.
 
 The fixes included are:
 
 - Fix am43xx hard reset flags
 
 - Fix SoC detection for DRA722
 
 - Fix CPU OPP table for omap5
 
 - Fix legacy mux parser bug if requested muxname is a prefix of
   multiple mux entries
 
 - Fix qspi interrupt binding that relies on the irq crossbar
   that has not yet been enabled
 
 - Add missing phy_sel for am43x-epos-evm
 
 - Drop unused gic_init_irq() that is no longer needed
 
 And the enabling of features that had driver dependencies are:
 
 - Change dra7 to use Audio Tracking Logic clock instead of a fixed
   clock now that the clock driver for it has been merged
 
 - Enable off idle configuration for selected omaps as all the kernel
   dependencies for device tree based booting are finally merged as
   this is needed to get the automated PM tests working finally with
   device tree based booting
 
 - Add hwmod entry for ocp2scp3 for omap5 to get sata working as
   all the driver dependencies are now in the kernel and this patch
   fell through the cracks during the merge window
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Merge tag 'omap-for-v3.16/fixes-against-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

Merge OMAP fixes from Tony Lindgren:

Fixes for omaps for issues discovered during the merge window and
enabling of a few features that had to wait for the driver
dependencies to clear.

The fixes included are:

- Fix am43xx hard reset flags
- Fix SoC detection for DRA722
- Fix CPU OPP table for omap5
- Fix legacy mux parser bug if requested muxname is a prefix of
  multiple mux entries
- Fix qspi interrupt binding that relies on the irq crossbar
  that has not yet been enabled
- Add missing phy_sel for am43x-epos-evm
- Drop unused gic_init_irq() that is no longer needed

And the enabling of features that had driver dependencies are:

- Change dra7 to use Audio Tracking Logic clock instead of a fixed
  clock now that the clock driver for it has been merged

- Enable off idle configuration for selected omaps as all the kernel
  dependencies for device tree based booting are finally merged as
  this is needed to get the automated PM tests working finally with
  device tree based booting

- Add hwmod entry for ocp2scp3 for omap5 to get sata working as
  all the driver dependencies are now in the kernel and this patch
  fell through the cracks during the merge window

* tag 'omap-for-v3.16/fixes-against-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: dts: dra7-evm: remove interrupt binding
  ARM: OMAP2+: Fix parser-bug in platform muxing code
  ARM: DTS: dra7/dra7xx-clocks: ATL related changes
  ARM: OMAP2+: drop unused function
  ARM: dts: am43x-epos-evm: Add Missing cpsw-phy-sel for am43x-epos-evm
  ARM: dts: omap5: Update CPU OPP table as per final production Manual
  ARM: DRA722: add detection of SoC information
  ARM: dts: Enable twl4030 off-idle configuration for selected omaps
  ARM: OMAP5: hwmod: Add ocp2scp3 and sata hwmods
  ARM: OMAP2+: hwmod: Change hardreset soc_ops for AM43XX
2014-07-04 21:45:38 -07:00
Tero Kristo
ba12c24286 ARM: OMAP3: control: isolate control module init to its own function
Control module related PM initializations are now moved within control
module driver. Done in preparation to isolate the code to its own driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2014-07-04 17:02:21 +03:00
Tero Kristo
c2148e5930 ARM: OMAP3: PRM: move modem reset and iva2 idle to PRM driver
Done in preparation to move PRM into its own driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2014-07-04 17:02:20 +03:00
Tero Kristo
bbd36f9f03 ARM: OMAP3: control: add API for setting up the modem pads
This patch moves the functionality from PM core to control driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2014-07-04 17:02:18 +03:00
Tero Kristo
c5180a2b3e ARM: OMAP3: PRM: move PRM init code from PM core to the driver
Helps to isolate the PRM driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2014-07-04 17:02:17 +03:00
Tero Kristo
6bdc4b44b3 ARM: OMAP24xx: PRM: add API for clearing wakeup status bits
This helps to isolate the PRM into its own driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2014-07-04 17:02:16 +03:00
Tero Kristo
7e28b465fd ARM: OMAP3: PRM: add API for saving PRM scratchpad contents
This isolates the PRM register access within the PRM driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2014-07-04 17:02:15 +03:00
Tero Kristo
9efcea09b0 ARM: OMAP3: PRM: add API for checking and clearing cold reset status
This isolates the PRM register access within the PRM driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2014-07-04 17:02:14 +03:00
Tero Kristo
55c6c3ad90 ARM: OMAP3: PRM: move modem reset to PRM driver
This is a more proper isolation of the code. Done in preparation of making
PRM an individual driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2014-07-04 17:02:13 +03:00
Tero Kristo
9de367fae0 ARM: OMAP3: PRM: move iva reset to PRM driver
This is a more proper isolation of the code. Done in preparation of making
PRM an individual driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2014-07-04 17:02:11 +03:00
Tero Kristo
0efc0f6ec2 ARM: OMAP3: PRM: move prcm wakeup helper to prm driver
Done in preparation to make the prm an individual driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2014-07-04 17:02:00 +03:00
Tero Kristo
6a194a6e2a ARM: OMAP24xx: clock: remove legacy clock data
This is no longer needed as clock data is provided through DT.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2014-07-02 15:59:03 +03:00
Tero Kristo
69a1e7a1fe ARM: OMAP2: clock: use DT clock boot if available
Otherwise legacy boot clock data is used. This patch also includes the
clock data files to the base dtsi files.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2014-07-02 15:47:32 +03:00
Tero Kristo
ee200119c0 ARM: OMAP2: PRM: add support for OMAP2 specific clock providers
This patch adds support for initializing also omap2-prcm and omap2-scrm
through DT.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2014-07-02 15:06:35 +03:00
Tero Kristo
a37f05ac09 ARM: OMAP2420: clock: get rid of fixed-div property use
Cleans up the code a bit and is useful for clock data DT conversion.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2014-07-02 15:06:31 +03:00
Tero Kristo
944ee5dc15 ARM: OMAP2: convert sys_ck and osc_ck to standard clock types
osc_ck can be simply defined as a multiplexer clock, and the sys_ck
can be a simple divider.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2014-07-02 14:26:06 +03:00
Linus Torvalds
b4b664bef4 Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm
Pull ARM fixes from Russell King:
 "A number of low impact fixes, the most noticable one is the thumb2
  frame pointer fix.  We also fix a regression caused during this merge
  window with ARM925 CPUs running with caches disabled, and fix a number
  of warnings"

* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
  ARM: arm925: ensure assembly sets up writethrough mapping
  ARM: perf: fix compiler warning with gcc 4.6.4 (and tidy code)
  ARM: l2c: fix dependencies on PL310 errata symbols
  ARM: 8069/1: Make thread_save_fp macro aware of THUMB2 mode
  ARM: 8068/1: scoop: Remove unused variable
2014-06-24 13:59:00 -07:00
Arnd Bergmann
3b3dab5f1c Couple of DT fixes for STi platform issues discovered on V3.16-rc1.
The fixes included are:
  - Ethernet clocks were wrongly defined for STiH415/416 platforms
  - STiH416 B2020 revision E DTS file name contained uppercase, change to
    lowercase.
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Merge tag 'sti-fixes-for-v3.16-rc1' of git://git.stlinux.com/devel/kernel/linux-sti into fixes

Merge "STi: DT fixes for v3.16" from Maxime Coquelin:

Couple of DT fixes for STi platform issues discovered on V3.16-rc1.

The fixes included are:
 - Ethernet clocks were wrongly defined for STiH415/416 platforms
 - STiH416 B2020 revision E DTS file name contained uppercase, change to
   lowercase.

* tag 'sti-fixes-for-v3.16-rc1' of git://git.stlinux.com/devel/kernel/linux-sti: (2963 commits)
  ARM: stih41x: Rename stih416-b2020-revE.dts to stih416-b2020e.dts
  ARM: STi: DT: Properly define sti-ethclk & stmmaceth for stih415/6

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-06-20 10:59:05 +02:00
Linus Torvalds
58c72f94ef ARM: SoC fixes for 3.16
A first set of bug fixes that didn't make it for the merge window, and
 two Kconfig cleanups that still make sense at this point. Unfortunately,
 one of the two cleanups caused an unintended change in the original
 version, so we had to revert one part of it and do some more testing
 to ensure the rest is really fine. There was also a last-minute
 rebase of the patches to remove another bad commit.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Arnd Bergmann:
 "A first set of bug fixes that didn't make it for the merge window, and
  two Kconfig cleanups that still make sense at this point.

  Unfortunately, one of the two cleanups caused an unintended change in
  the original version, so we had to revert one part of it and do some
  more testing to ensure the rest is really fine.  There was also a
  last-minute rebase of the patches to remove another bad commit"

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: use menuconfig for sub-arch menus
  ARM: multi_v7_defconfig: re-enable SDHCI drivers
  ARM: EXYNOS: Fix compilation warning
  ARM: exynos: move sysram info to exynos.c
  ARM: dts: Specify the NAND ECC scheme explicitly on Armada 385 DB board
  ARM: dts: Specify the NAND ECC scheme explicitly on Armada 375 DB board
  ARM: exynos: cleanup kconfig option display
  misc: vexpress: fix error handling vexpress_syscfg_regmap_init()
  ARM: Remove ARCH_HAS_CPUFREQ config option
  ARM: integrator: fix section mismatch problem
  ARM: mvebu: DT: fix OpenBlocks AX3-4 RAM size
  ARM: samsung: make SAMSUNG_DMADEV optional
  remoteproc: da8xx: don't select CMA on no-MMU
  bus/arm-cci: add dependency on OF && CPU_V7
  ARM: keystone requires ARM_PATCH_PHYS_VIRT
  ARM: omap2: fix am43xx dependency on l2x0 cache
2014-06-19 17:53:20 -10:00
Russell King
a641f3a6ab ARM: l2c: fix dependencies on PL310 errata symbols
A number of configurations spit out warnings similar to:

warning: (SOC_IMX6 && SOC_VF610 && ARCH_OMAP4) selects PL310_ERRATA_588369 which has unmet direct dependencies (CACHE_L2X0)
warning: (SOC_IMX6 && SOC_VF610 && ARCH_OMAP4) selects PL310_ERRATA_727915 which has unmet direct dependencies (CACHE_L2X0)

Clean up the dependencies here:
* PL310 symbols should only be selected when CACHE_L2X0 is enabled.
* Since the cache-l2x0 code detects PL310 presence at runtime, and we will
  eventually get rid of CACHE_PL310, surround these errata options with an
  if CACHE_L2X0 conditional rather than repeating the dependency against
  each.

Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-06-19 11:29:28 +01:00
Rob Herring
21278aeafb ARM: use menuconfig for sub-arch menus
The System Type menu is getting quite long with platforms and is
inconsistent in handling of sub-arch specific options. Tidy up the menu
by making platform options a menuconfig entry containing any platform
specific config items.

[arnd: change OMAP part according to suggestion from
 Tony Lindgren <tony@atomide.com>]

Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-06-17 17:09:48 +02:00
Stephen Boyd
19682f72f5 ARM: Remove ARCH_HAS_CPUFREQ config option
This config exists entirely to hide the cpufreq menu from the
kernel configuration unless a platform has selected it. Nothing
is actually built if this config is 'Y' and it just leads to more
patches that add a select under a platform Kconfig so that some
other CPUfreq option can be chosen. Let's remove the option so
that we can always enable CPUfreq drivers on ARM platforms.

Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-06-17 17:09:39 +02:00
Arnd Bergmann
2ad501cc1d ARM: omap2: fix am43xx dependency on l2x0 cache
Commit d941f86fad ("ARM: l2c: AM43x: add L2 cache support") enabled
the L2 cache support for the am43xx SoC, but caused a build regression
when the driver for that cache controller is disabled:

arch/arm/mach-omap2/built-in.o: In function `am43xx_init_early':
:(.init.text+0xb20): undefined reference to `omap_l2_cache_init'

This did not happen for OMAP4, which has the same call, but enables
the l2x0 driver unconditionally. We could do the same thing for
am43xx, but it seems better to allow turning it off and make the
code work in either case.

This adds an inline wrapper for omap_l2_cache_init for the disabled
case, and removes the 'select' from OMAP4 so it becomes a user
visible option.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Tony Lindgren <tony@atomide.com>
Cc: linux-omap@vger.kernel.org
2014-06-17 17:09:14 +02:00
David R. Piegdon
c021f241f4 ARM: OMAP2+: Fix parser-bug in platform muxing code
Fix a parser-bug in the omap2 muxing code where muxtable-entries will be
wrongly selected if the requested muxname is a *prefix* of their
m0-entry and they have a matching mN-entry. Fix by additionally checking
that the length of the m0_entry is equal.

For example muxing of "dss_data2.dss_data2" on omap32xx will fail
because the prefix "dss_data2" will match the mux-entries "dss_data2" as
well as "dss_data20", with the suffix "dss_data2" matching m0 (for
dss_data2) and m4 (for dss_data20). Thus both are recognized as signal
path candidates:

Relevant muxentries from mux34xx.c:
        _OMAP3_MUXENTRY(DSS_DATA20, 90,
                "dss_data20", NULL, "mcspi3_somi", "dss_data2",
                "gpio_90", NULL, NULL, "safe_mode"),
        _OMAP3_MUXENTRY(DSS_DATA2, 72,
                "dss_data2", NULL, NULL, NULL,
                "gpio_72", NULL, NULL, "safe_mode"),

This will result in a failure to mux the pin at all:

 _omap_mux_get_by_name: Multiple signal paths (2) for dss_data2.dss_data2

Patch should apply to linus' latest master down to rather old linux-2.6
trees.

Signed-off-by: David R. Piegdon <lkml@p23q.org>
Cc: stable@vger.kernel.org
[tony@atomide.com: updated description to include full description]
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-06-17 01:05:43 -07:00
Brian Norris
b7196ab078 ARM: OMAP2+: drop unused function
gic_init_irq() is no longer used as of:

    commit b42b918194
    Author: Tony Lindgren <tony@atomide.com>
    Date:   Thu May 30 12:53:05 2013 -0700

        ARM: OMAP2+: Remove board-omap4panda.c

Drop it.

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-omap@vger.kernel.org
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-06-16 05:06:41 -07:00
Nishanth Menon
73d202807a ARM: DRA722: add detection of SoC information
Add support for DRA72x device DIEID. Currently these devices are
reported as DRA75/74 family of processors.

Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-06-16 04:52:11 -07:00
Tony Lindgren
f5467da80b Two OMAP hwmod patches for early v3.16-rc kernels.
There's one OMAP SoC integration fix for the AM43xx SoC, without
 which, IP blocks can't be placed into hard-reset.
 
 There is also one OMAP5 SoC data addition patch that should have gone
 in for v3.16. Normally I wouldn't send this as part of an -rc series,
 since it's not technically a fix. But I'd like to make an exception in
 this case because:
 
 - it's intended to go in very early in the v3.16-rc series (or even
 pre-rc1);
 
 - it's a fairly small change;
 
 - the impact is limited to a single SoC and a single device;
 
 - the only reason that it didn't go in earlier is because it "slipped
 through the cracks," rather than for any technical reason.
 
 Basic build, boot, and PM test logs are available here:
 
 http://www.pwsan.com/omap/testlogs/hwmod-a-v3.16-rc/20140615201307/
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Merge tag 'for-v3.16-rc/omap-fixes-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v3.16/fixes

Two OMAP hwmod patches for early v3.16-rc kernels.

There's one OMAP SoC integration fix for the AM43xx SoC, without
which, IP blocks can't be placed into hard-reset.

There is also one OMAP5 SoC data addition patch that should have gone
in for v3.16. Normally I wouldn't send this as part of an -rc series,
since it's not technically a fix. But I'd like to make an exception in
this case because:

- it's intended to go in very early in the v3.16-rc series (or even
pre-rc1);

- it's a fairly small change;

- the impact is limited to a single SoC and a single device;

- the only reason that it didn't go in earlier is because it "slipped
through the cracks," rather than for any technical reason.

Basic build, boot, and PM test logs are available here:

http://www.pwsan.com/omap/testlogs/hwmod-a-v3.16-rc/20140615201307/
2014-06-16 01:27:40 -07:00
Keshava Munegowda
bf32c4ad99 ARM: OMAP5: hwmod: Add ocp2scp3 and sata hwmods
Create hwmods for ocp2scp3 and sata modules.

[Roger Q] Clean up.

CC: Benoit Cousson <bcousson@baylibre.com>
Signed-off-by: Balaji T K <balajitk@ti.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-06-15 20:12:52 -06:00
Linus Torvalds
dd1845af24 This pull request contains the second half the of the clk changes for
3.16. They are simply fixes and code refactoring for the OMAP clock
 drivers. The sunxi clock driver changes include splitting out the one
 mega-driver into several smaller pieces and adding support for the A31
 SoC clocks.
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Merge tag 'clk-for-linus-3.16-part2' of git://git.linaro.org/people/mike.turquette/linux

Pull more clock framework updates from Mike Turquette:
 "This contains the second half the of the clk changes for 3.16.

  They are simply fixes and code refactoring for the OMAP clock drivers.
  The sunxi clock driver changes include splitting out the one
  mega-driver into several smaller pieces and adding support for the A31
  SoC clocks"

* tag 'clk-for-linus-3.16-part2' of git://git.linaro.org/people/mike.turquette/linux: (25 commits)
  clk: sunxi: document PRCM clock compatible strings
  clk: sunxi: add PRCM (Power/Reset/Clock Management) clks support
  clk: sun6i: Protect SDRAM gating bit
  clk: sun6i: Protect CPU clock
  clk: sunxi: Rework clock protection code
  clk: sunxi: Move the GMAC clock to a file of its own
  clk: sunxi: Move the 24M oscillator to a file of its own
  clk: sunxi: Remove calls to clk_put
  clk: sunxi: document new A31 USB clock compatible
  clk: sunxi: Implement A31 USB clock
  ARM: dts: OMAP5/DRA7: use omap5-mpu-dpll-clock capable of dealing with higher frequencies
  CLK: TI: dpll: support OMAP5 MPU DPLL that need special handling for higher frequencies
  ARM: OMAP5+: dpll: support Duty Cycle Correction(DCC)
  CLK: TI: clk-54xx: Set the rate for dpll_abe_m2x2_ck
  CLK: TI: Driver for DRA7 ATL (Audio Tracking Logic)
  dt:/bindings: DRA7 ATL (Audio Tracking Logic) clock bindings
  ARM: dts: dra7xx-clocks: Correct name for atl clkin3 clock
  CLK: TI: gate: add composite interface clock to OMAP2 only build
  ARM: OMAP2: clock: add DT boot support for cpufreq_ck
  CLK: TI: OMAP2: add clock init support
  ...
2014-06-15 16:02:20 -10:00
Dave Gerlach
98bbc114bf ARM: OMAP2+: hwmod: Change hardreset soc_ops for AM43XX
am43xx reset register layout is more similar to am33xx than omap4 so
use the am33xx functions for hwmod hardreset soc_ops rather than the
currently used omap4 functions. Without this, assert_hardreset and
deassert_hardreset will not work on am43xx.

Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
[paul@pwsan.com: fixed build errors for an AM43xx-only Kconfig]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-06-15 16:02:17 -06:00
Linus Torvalds
7f33e7241d pwm: Changes for v3.16-rc1
The majority of these changes are cleanups and fixes across all drivers.
 Redundant error messages are removed and more PWM controllers set the
 .can_sleep flag to signal that they can't be used in atomic context.
 
 Support is added for the Broadcom Kona family of SoCs and the Intel LPSS
 driver can now probe PCI devices in addition to ACPI devices. Upon shut-
 down, the pwm-backlight driver will now power off the backlight. It also
 uses the new descriptor-based GPIO API for more concise GPIO handling.
 
 A large chunk of these changes also converts platforms to use the lookup
 mechanism rather than relying on the global number space to reference
 PWM devices. This is largely in preparation for more unification and
 cleanups in future patches. Eventually it will allow the legacy PWM API
 to be removed.
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Merge tag 'pwm/for-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm

Pull pwm changes from Thierry Reding:
 "The majority of these changes are cleanups and fixes across all
  drivers.  Redundant error messages are removed and more PWM
  controllers set the .can_sleep flag to signal that they can't be used
  in atomic context.

  Support is added for the Broadcom Kona family of SoCs and the Intel
  LPSS driver can now probe PCI devices in addition to ACPI devices.
  Upon shutdown, the pwm-backlight driver will now power off the
  backlight.  It also uses the new descriptor-based GPIO API for more
  concise GPIO handling.

  A large chunk of these changes also converts platforms to use the
  lookup mechanism rather than relying on the global number space to
  reference PWM devices.  This is largely in preparation for more
  unification and cleanups in future patches.  Eventually it will allow
  the legacy PWM API to be removed"

* tag 'pwm/for-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (38 commits)
  pwm: fsl-ftm: set pwm_chip can_sleep flag
  pwm: ab8500: Fix wrong value shift for disable/enable PWM
  pwm: samsung: do not set manual update bit in pwm_samsung_config
  pwm: lp3943: Set pwm_chip can_sleep flag
  pwm: atmel: set pwm_chip can_sleep flag
  pwm: mxs: set pwm_chip can_sleep flag
  pwm: tiehrpwm: inline accessor functions
  pwm: tiehrpwm: don't build PM related functions when not needed
  pwm-backlight: retrieve configured PWM period
  leds: leds-pwm: retrieve configured PWM period
  ARM: pxa: hx4700: use PWM_LOOKUP to initialize struct pwm_lookup
  ARM: shmobile: armadillo: use PWM_LOOKUP to initialize struct pwm_lookup
  ARM: OMAP3: Beagle: use PWM_LOOKUP to initialize struct pwm_lookup
  pwm: modify PWM_LOOKUP to initialize all struct pwm_lookup members
  ARM: pxa: hx4700: initialize all the struct pwm_lookup members
  ARM: OMAP3: Beagle: initialize all the struct pwm_lookup members
  pwm: renesas-tpu: remove unused struct tpu_pwm_platform_data
  ARM: shmobile: armadillo: initialize all struct pwm_lookup members
  pwm: add period and polarity to struct pwm_lookup
  pwm: twl: Really disable twl6030 PWMs
  ...
2014-06-11 14:06:55 -07:00
Linus Torvalds
e413a19a8e MTD updates for 3.16:
- refactor m25p80.c driver for use as a general SPI NOR framework for other
   drivers which may speak to SPI NOR flash without providing full SPI support
   (i.e., not part of drivers/spi/)
 - new Freescale QuadSPI driver (utilizing new SPI NOR framework)
 - updates for the STMicro "FSM" SPI NOR driver
 - fix sync/flush behavior on mtd_blkdevs
 - fixup subpage write support on a few NAND drivers
 - correct the MTD OOB test for odd-sized OOB areas
 - add BCH-16 support for OMAP NAND
 - fix warnings and trivial refactoring
 - utilize new ECC DT bindings in pxa3xx NAND driver
 - new LPDDR NVM driver
 - address a few assorted bugs caught by Coverity
 - add new imx6sx support for GPMI NAND
 - use a bounce buffer for NAND when non-DMA-able buffers are used
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Merge tag 'for-linus-20140610' of git://git.infradead.org/linux-mtd

Pull MTD updates from Brian Norris:
 - refactor m25p80.c driver for use as a general SPI NOR framework for
   other drivers which may speak to SPI NOR flash without providing full
   SPI support (i.e., not part of drivers/spi/)
 - new Freescale QuadSPI driver (utilizing new SPI NOR framework)
 - updates for the STMicro "FSM" SPI NOR driver
 - fix sync/flush behavior on mtd_blkdevs
 - fixup subpage write support on a few NAND drivers
 - correct the MTD OOB test for odd-sized OOB areas
 - add BCH-16 support for OMAP NAND
 - fix warnings and trivial refactoring
 - utilize new ECC DT bindings in pxa3xx NAND driver
 - new LPDDR NVM driver
 - address a few assorted bugs caught by Coverity
 - add new imx6sx support for GPMI NAND
 - use a bounce buffer for NAND when non-DMA-able buffers are used

* tag 'for-linus-20140610' of git://git.infradead.org/linux-mtd: (77 commits)
  mtd: gpmi: add gpmi support for imx6sx
  mtd: maps: remove check for CONFIG_MTD_SUPERH_RESERVE
  mtd: bf5xx_nand: use the managed version of kzalloc
  mtd: pxa3xx_nand: make the driver work on big-endian systems
  mtd: nand: omap: fix omap_calculate_ecc_bch() for-loop error
  mtd: nand: r852: correct write_buf loop bounds
  mtd: nand_bbt: handle error case for nand_create_badblock_pattern()
  mtd: nand_bbt: remove unused variable
  mtd: maps: sc520cdp: fix warnings
  mtd: slram: fix unused variable warning
  mtd: pfow: remove unused variable
  mtd: lpddr: fix Kconfig dependency, for I/O accessors
  mtd: nand: pxa3xx: Add supported ECC strength and step size to the DT binding
  mtd: nand: pxa3xx: Use ECC strength and step size devicetree binding
  mtd: nand: pxa3xx: Clean pxa_ecc_init() error handling
  mtd: nand: Warn the user if the selected ECC strength is too weak
  mtd: nand: omap: Documentation: How to select correct ECC scheme for your device ?
  mtd: nand: omap: add support for BCH16_ECC - NAND driver updates
  mtd: nand: omap: add support for BCH16_ECC - ELM driver updates
  mtd: nand: omap: add support for BCH16_ECC - GPMC driver updates
  ...
2014-06-11 08:35:34 -07:00
Mike Turquette
3f6eec9969 Merge branch 'for-v3.16/ti-clk-drv' of github.com:t-kristo/linux-pm into clk-next 2014-06-10 16:53:25 -07:00
Linus Torvalds
f4f9b8fc73 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
 "A big update to the Atmel touchscreen driver, devm support for polled
  input devices, several drivers have been converted to using managed
  resources, and assorted driver fixes"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (87 commits)
  Input: synaptics - fix resolution for manually provided min/max
  Input: atmel_mxt_ts - fix invalid return from mxt_get_bootloader_version
  Input: max8997_haptic - add error handling for regulator and pwm
  Input: elantech - don't set bit 1 of reg_10 when the no_hw_res quirk is set
  Input: elantech - deal with clickpads reporting right button events
  Input: edt-ft5x06 - fix an i2c write for M09 support
  Input: omap-keypad - remove platform data support
  ARM: OMAP2+: remove unused omap4-keypad file and code
  Input: ab8500-ponkey - switch to using managed resources
  Input: max8925_onkey - switch to using managed resources
  Input: 88pm860x-ts - switch to using managed resources
  Input: 88pm860x_onkey - switch to using managed resources
  Input: intel-mid-touch - switch to using managed resources
  Input: wacom - process outbound for newer Cintiqs
  Input: wacom - set stylus_in_proximity when pen is in range
  DTS: ARM: OMAP3-N900: Add tsc2005 support
  Input: tsc2005 - add DT support
  Input: add common DT binding for touchscreens
  Input: jornada680_kbd - switch top using managed resources
  Input: adp5520-keys - switch to using managed resources
  ...
2014-06-09 18:46:02 -07:00
Andrii Tseglytskyi
ce369a545a ARM: OMAP5+: dpll: support Duty Cycle Correction(DCC)
Duty Cycle Correction(DCC) needs to be enabled if the MPU is to run at
frequencies beyond 1.4GHz for OMAP5, DRA75x, DRA72x.

MPU DPLL has a limitation on the maximum frequency it can be locked
at. Duty Cycle Correction circuit is used to recover a correct duty
cycle for achieving higher frequencies (hardware internally switches
output to M3 output(CLKOUTHIF) from M2 output (CLKOUT)).

For further information, See the note on OMAP5432 Technical Reference
Manual(SWPU282U) chapter 3.6.3.3.1 "DPLLs Output Clocks Parameters",
and also the "OMAP543x ES2.0 DM Operating Conditions Addendum v0.5"
chapter 2.1 "Micro Processor Unit (MPU)". Equivalent information is
present in relevant DRA75x, 72x documentation(SPRUHP2E, SPRUHI2P).

Signed-off-by: Andrii Tseglytskyi <andrii.tseglytskyi@ti.com>
Signed-off-by: Taras Kondratiuk <taras@ti.com>
Signed-off-by: J Keerthy <j-keerthy@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
[t-kristo@ti.com: added TRM / DM references for DCC clock rate]
Signed-off-by: Tero Kristo <t-kristo@ti.com>
2014-06-06 20:33:38 +03:00
Linus Torvalds
eb3d3ec567 Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm into next
Pull ARM updates from Russell King:

 - Major clean-up of the L2 cache support code.  The existing mess was
   becoming rather unmaintainable through all the additions that others
   have done over time.  This turns it into a much nicer structure, and
   implements a few performance improvements as well.

 - Clean up some of the CP15 control register tweaks for alignment
   support, moving some code and data into alignment.c

 - DMA properties for ARM, from Santosh and reviewed by DT people.  This
   adds DT properties to specify bus translations we can't discover
   automatically, and to indicate whether devices are coherent.

 - Hibernation support for ARM

 - Make ftrace work with read-only text in modules

 - add suspend support for PJ4B CPUs

 - rework interrupt masking for undefined instruction handling, which
   allows us to enable interrupts earlier in the handling of these
   exceptions.

 - support for big endian page tables

 - fix stacktrace support to exclude stacktrace functions from the
   trace, and add save_stack_trace_regs() implementation so that kprobes
   can record stack traces.

 - Add support for the Cortex-A17 CPU.

 - Remove last vestiges of ARM710 support.

 - Removal of ARM "meminfo" structure, finally converting us solely to
   memblock to handle the early memory initialisation.

* 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: (142 commits)
  ARM: ensure C page table setup code follows assembly code (part II)
  ARM: ensure C page table setup code follows assembly code
  ARM: consolidate last remaining open-coded alignment trap enable
  ARM: remove global cr_no_alignment
  ARM: remove CPU_CP15 conditional from alignment.c
  ARM: remove unused adjust_cr() function
  ARM: move "noalign" command line option to alignment.c
  ARM: provide common method to clear bits in CPU control register
  ARM: 8025/1: Get rid of meminfo
  ARM: 8060/1: mm: allow sub-architectures to override PCI I/O memory type
  ARM: 8066/1: correction for ARM patch 8031/2
  ARM: 8049/1: ftrace/add save_stack_trace_regs() implementation
  ARM: 8065/1: remove last use of CONFIG_CPU_ARM710
  ARM: 8062/1: Modify ldrt fixup handler to re-execute the userspace instruction
  ARM: 8047/1: rwsem: use asm-generic rwsem implementation
  ARM: l2c: trial at enabling some Cortex-A9 optimisations
  ARM: l2c: add warnings for stuff modifying aux_ctrl register values
  ARM: l2c: print a warning with L2C-310 caches if the cache size is modified
  ARM: l2c: remove old .set_debug method
  ARM: l2c: kill L2X0_AUX_CTRL_MASK before anyone else makes use of this
  ...
2014-06-05 15:57:04 -07:00
Linus Torvalds
15b5883031 fbdev changes for 3.16 (omap)
* DT support for the panel drivers that were still missing it
 * TI AM43xx support
 * TI OMAP5 support
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Merge tag 'fbdev-omap-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux into next

Pull omap fbdev changes from Tomi Valkeinen:
 - DT support for the panel drivers that were still missing it
 - TI AM43xx support
 - TI OMAP5 support

* tag 'fbdev-omap-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (46 commits)
  OMAPDSS: move 'compatible' converter to omapdss driver
  OMAPDSS: HDMI: fix devm_ioremap_resource error checks
  OMAPDSS: HDMI: remove unused defines
  OMAPDSS: HDMI: cleanup WP ioremaps
  OMAPDSS: panel NEC-NL8048HL11 DT support
  Doc/DT: Add DT binding documentation for TPO td043mtea1 panel
  OMAPDSS: Panel TPO-TD043MTEA1 DT support
  Doc/DT: Add DT binding documentation for SHARP LS037V7DW01
  OMAPDSS: panel sharp-ls037v7dw01 DT support
  OMAPDSS: panel-sharp-ls037v7dw01: update to use gpiod
  Doc/DT: Add binding doc for lgphilips,lb035q02.txt
  OMAPDSS: panel-lgphilips-lb035q02: Add DT support
  OMAPDSS: panel-lgphilips-lb035q02: use gpiod for enable gpio
  OMAPDSS: hdmi5_core: Fix compilation with OMAP5_DSS_HDMI_AUDIO
  OMAPDSS: panel-dpi: enable-gpio
  OMAPDSS: Fix writes to DISPC_POL_FREQ
  Doc/DT: Add OMAP5 DSS DT bindings
  OMAPDSS: HDMI: cleanup ioremaps
  OMAPDSS: HDMI: Add OMAP5 HDMI support
  OMAPDSS: HDMI: PLL changes for OMAP5
  ...
2014-06-04 09:07:08 -07:00
Linus Torvalds
e5c4ecdc55 USB driver patches for 3.16-rc1
Here is the big USB driver pull request for 3.16-rc1.
 
 Nothing huge here, but lots of little things in the USB core, and in
 lots of drivers.  Hopefully the USB power management will be work better
 now that it has been reworked to do per-port power control dynamically.
 There's also a raft of gadget driver updates and fixes, CONFIG_USB_DEBUG
 is finally gone now that everything has been converted over to the
 dynamic debug inteface, the last hold-out drivers were cleaned up and
 the config option removed.  There were also other minor things all
 through the drivers/usb/ tree, the shortlog shows this pretty well.
 
 All have been in linux-next, including the very last patch, which came
 from linux-next to fix a build issue on some platforms.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb into next

Pull USB driver updates from Greg KH:
 "Here is the big USB driver pull request for 3.16-rc1.

  Nothing huge here, but lots of little things in the USB core, and in
  lots of drivers.  Hopefully the USB power management will be work
  better now that it has been reworked to do per-port power control
  dynamically.  There's also a raft of gadget driver updates and fixes,
  CONFIG_USB_DEBUG is finally gone now that everything has been
  converted over to the dynamic debug inteface, the last hold-out
  drivers were cleaned up and the config option removed.  There were
  also other minor things all through the drivers/usb/ tree, the
  shortlog shows this pretty well.

  All have been in linux-next, including the very last patch, which came
  from linux-next to fix a build issue on some platforms"

* tag 'usb-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (314 commits)
  usb: hub_handle_remote_wakeup() only exists for CONFIG_PM=y
  USB: orinoco_usb: remove CONFIG_USB_DEBUG support
  USB: media: lirc: igorplugusb: remove CONFIG_USB_DEBUG support
  USB: media: streamzap: remove CONFIG_USB_DEBUG
  USB: media: redrat3: remove CONFIG_USB_DEBUG usage
  USB: media: redrat3: remove unneeded tracing macro
  usb: qcserial: add additional Sierra Wireless QMI devices
  usb: host: max3421-hcd: Use module_spi_driver
  usb: host: max3421-hcd: Allow platform-data to specify Vbus polarity
  usb: host: max3421-hcd: fix "spi_rd8" uses dynamic stack allocation warning
  usb: host: max3421-hcd: Fix missing unlock in max3421_urb_enqueue()
  usb: qcserial: add Netgear AirCard 341U
  Documentation: dt-bindings: update xhci-platform DT binding for R-Car H2 and M2
  usb: host: xhci-plat: add xhci_plat_start()
  usb: host: max3421-hcd: Fix potential NULL urb dereference
  Revert "usb: gadget: net2280: Add support for PLX USB338X"
  USB: usbip: remove CONFIG_USB_DEBUG reference
  USB: remove CONFIG_USB_DEBUG from defconfig files
  usb: resume child device when port is powered on
  usb: hub_handle_remote_wakeup() depends on CONFIG_PM_RUNTIME=y
  ...
2014-06-03 09:11:20 -07:00
Linus Torvalds
755a9ba7bf ARM: SoC devicetree updates for 3.16
As with previous release, this continues to be among the largest branches
 we merge, with lots of new contents.
 
 New things for this release are among other things:
 
 - DTSI contents for the new SoCs supported in 3.16 (see SoC pull request)
 - Qualcomm APQ8064 and APQ8084 SoCs and eval boards
 - Nvidia Jetson TK1 development board (Tegra T124-based)
 
 Two new SoCs that didn't need enough new platform code to stand out
 enough for me to notice when writing the SoC tag, but that adds new DT
 contents are:
 
 - TI DRA72
 - Marvell Berlin 2Q
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Merge tag 'dt-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc into next

Pull ARM SoC devicetree updates from Olof Johansson:
 "As with previous release, this continues to be among the largest
  branches we merge, with lots of new contents.

  New things for this release are among other things:

   - DTSI contents for the new SoCs supported in 3.16 (see SoC pull request)
   - Qualcomm APQ8064 and APQ8084 SoCs and eval boards
   - Nvidia Jetson TK1 development board (Tegra T124-based)

  Two new SoCs that didn't need enough new platform code to stand out
  enough for me to notice when writing the SoC tag, but that adds new DT
  contents are:

   - TI DRA72
   - Marvell Berlin 2Q"

* tag 'dt-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (500 commits)
  ARM: dts: add secure firmware support for exynos5420-arndale-octa
  ARM: dts: add pmu sysreg node to exynos3250
  ARM: dts: correct the usb phy node in exynos5800-peach-pi
  ARM: dts: correct the usb phy node in exynos5420-peach-pit
  ARM: dts: add dts files for exynos5410 and exynos5410-smdk5410
  ARM: dts: add dts files for exynos3250 SoC
  ARM: dts: add mfc node for exynos5800
  ARM: dts: add Vbus regulator for USB 3.0 on exynos5800-peach-pi
  ARM: dts: enable fimd for exynos5800-peach-pi
  ARM: dts: enable display controller for exynos5800-peach-pi
  ARM: dts: enable hdmi for exynos5800-peach-pi
  ARM: dts: add dts file for exynos5800-peach-pi board
  ARM: dts: add dts file for exynos5800 SoC
  ARM: dts: add dts file for exynos5260-xyref5260 board
  ARM: dts: add dts files for exynos5260 SoC
  ARM: dts: update watchdog node name in exynos5440
  ARM: dts: use key code macros on Origen and Arndale boards
  ARM: dts: enable RTC and WDT nodes on Origen boards
  ARM: dts: qcom: Add APQ8084-MTP board support
  ARM: dts: qcom: Add APQ8084 SoC support
  ...
2014-06-02 16:34:00 -07:00
Linus Torvalds
c67d9ce166 ARM: SoC board support updates for 3.16
The bulk of this branch is updates for Renesas Shmobile. They are still
 doing some enablement for classic boards first, and then come up with DT
 bindings when they've had a chance to learn more about the hardware. Not
 necessarily a bad way to go about it, and they're looking at moving some
 of the temporary board code resulting from it to drivers/staging instead
 to avoid the churn here.
 
 As a result of the shmobile clock cleanups, we end up merging quite a
 bit of SH code here as well. We ended up merging it here instead of in
 the cleanup branch due to the other board changes depending on it.
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Merge tag 'boards-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc into next

Pull ARM SoC board support updates from Olof Johansson:
 "The bulk of this branch is updates for Renesas Shmobile.  They are
  still doing some enablement for classic boards first, and then come up
  with DT bindings when they've had a chance to learn more about the
  hardware.  Not necessarily a bad way to go about it, and they're
  looking at moving some of the temporary board code resulting from it
  to drivers/staging instead to avoid the churn here.

  As a result of the shmobile clock cleanups, we end up merging quite a
  bit of SH code here as well.  We ended up merging it here instead of
  in the cleanup branch due to the other board changes depending on it"

* tag 'boards-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (130 commits)
  ARM: davinci: remove checks for CONFIG_USB_MUSB_PERIPHERAL
  ARM: add drivers for Colibri T30 to multi_v7_defconfig
  ARM: shmobile: Remove Genmai reference DTS
  ARM: shmobile: Let Genmai multiplatform boot with Genmai DTB
  ARM: shmobile: Sync Genmai DTS with Genmai reference DTS
  ARM: shmobile: genmai-reference: Remove legacy clock support
  ARM: shmobile: Remove non-multiplatform Genmai reference support
  ARM: configs: enable XHCI mvebu support in multi_v7_defconfig
  ARM: OMAP: replace checks for CONFIG_USB_GADGET_OMAP
  ARM: OMAP: AM3517EVM: remove check for CONFIG_PANEL_SHARP_LQ043T1DG01
  ARM: OMAP: SX1: remove check for CONFIG_SX1_OLD_FLASH
  ARM: OMAP: remove some dead code
  ARM: OMAP: omap3stalker: remove two Kconfig macros
  ARM: tegra: tegra_defconfig updates
  ARM: shmobile: r7s72100: use workaround for non DT-clocks
  ARM: shmobile: Add forward declaration of struct clk to silence warning
  ARM: shmobile: r7s72100: remove SPI DT clocks from legacy clock support
  ARM: shmobile: r7s72100: add spi clocks to dtsi
  ARM: shmobile: r7s72100: remove I2C DT clocks from legacy clock support
  ARM: shmobile: r7s72100: add i2c clocks to dtsi
  ...
2014-06-02 16:21:41 -07:00
Linus Torvalds
825f4e0271 ARM: SoC updates for 3.16 (part 1)
A quite large set of SoC updates this cycle. In no particular order:
 
 - Multi-cluster power management for Samsung Exynos, adding support for
   big.LITTLE CPU switching on EXYNOS5
 - SMP support for Marvell Armada 375 and 38x
 - SMP rework on Allwinner A31
 - Xilinx Zynq support for SOC_BUS, big endian
 - Marvell orion5x platform cleanup, modernizing the implementation and
   moving to DT.
 - _Finally_ moving Samsung Exynos over to support MULTIPLATFORM, so
   that their platform can be enabled in the same kernel binary as most
   of the other v7 platforms in the tree. \o/ The work isn't quite complete,
   there's some driver fixes still needed, but the basics now work.
 
 New SoC support added:
 - Freescale i.MX6SX
 - LSI Axxia AXM55xx SoCs
 - Samsung EXYNOS 3250, 5260, 5410, 5420 and 5800
 - STi STIH407
 
 Plus a large set of various smaller updates for different platforms. I'm
 probably missing some important one here.
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Merge tag 'soc-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc into next

Pull part one of ARM SoC updates from Olof Johansson:
 "A quite large set of SoC updates this cycle.  In no particular order:

   - Multi-cluster power management for Samsung Exynos, adding support
     for big.LITTLE CPU switching on EXYNOS5

   - SMP support for Marvell Armada 375 and 38x

   - SMP rework on Allwinner A31

   - Xilinx Zynq support for SOC_BUS, big endian

   - Marvell orion5x platform cleanup, modernizing the implementation
     and moving to DT.

   - _Finally_ moving Samsung Exynos over to support MULTIPLATFORM, so
     that their platform can be enabled in the same kernel binary as
     most of the other v7 platforms in the tree.  \o/

     The work isn't quite complete, there's some driver fixes still
     needed, but the basics now work.

  New SoC support added:

   - Freescale i.MX6SX

   - LSI Axxia AXM55xx SoCs

   - Samsung EXYNOS 3250, 5260, 5410, 5420 and 5800

   - STi STIH407

  plus a large set of various smaller updates for different platforms.
  I'm probably missing some important one here"

* tag 'soc-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (281 commits)
  ARM: exynos: don't run exynos4 l2x0 setup on other platforms
  ARM: exynos: Fix "allmodconfig" build errors in mcpm and hotplug
  ARM: EXYNOS: mcpm rename the power_down_finish
  ARM: EXYNOS: Enable mcpm for dual-cluster exynos5800 SoC
  ARM: EXYNOS: Enable multi-platform build support
  ARM: EXYNOS: Consolidate Kconfig entries
  ARM: EXYNOS: Add support for EXYNOS5410 SoC
  ARM: EXYNOS: Support secondary CPU boot of Exynos3250
  ARM: EXYNOS: Add Exynos3250 SoC ID
  ARM: EXYNOS: Add 5800 SoC support
  ARM: EXYNOS: initial board support for exynos5260 SoC
  clk: exynos5410: register clocks using common clock framework
  ARM: debug: qcom: add UART addresses to Kconfig help for APQ8084
  ARM: sunxi: allow building without reset controller
  Documentation: devicetree: arm: sort enable-method entries
  ARM: rockchip: convert smp bringup to CPU_METHOD_OF_DECLARE
  clk: exynos5250: Add missing sysmmu clocks for DISP and ISP blocks
  ARM: dts: axxia: Add reset controller
  power: reset: Add Axxia system reset driver
  ARM: axxia: Adding defconfig for AXM55xx
  ...
2014-06-02 16:15:12 -07:00
Linus Torvalds
0a58471541 ARM: SoC cleanups for 3.16
Cleanups for 3.16. Among these are:
 
 - A bunch of misc cleanups for Broadcom platforms, mostly housekeeping
 - Enabling Common Clock Framework on the older s3c24xx Samsung chipsets
 - Cleanup of the Versatile Express system controller code, moving it to syscon
 - Power management cleanups for OMAP platforms
 
 + a handful of other cleanups across the place
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Merge tag 'cleanup-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc into next

Pull ARM SoC cleanups from Olof Johansson:
 "Cleanups for 3.16.  Among these are:

   - a bunch of misc cleanups for Broadcom platforms, mostly
     housekeeping
   - enabling Common Clock Framework on the older s3c24xx Samsung
     chipsets
   - cleanup of the Versatile Express system controller code, moving it
     to syscon
   - power management cleanups for OMAP platforms

  plus a handful of other cleanups across the place"

* tag 'cleanup-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (87 commits)
  ARM: kconfig: allow PCI support to be selected with ARCH_MULTIPLATFORM
  clk: samsung: fix build error
  ARM: vexpress: refine dependencies for new code
  clk: samsung: clk-s3c2410-dlck: do not use PNAME macro as it declares __initdata
  cpufreq: exynos: Fix the compile error
  ARM: S3C24XX: move debug-macro.S into the common space
  ARM: S3C24XX: use generic DEBUG_UART_PHY/_VIRT in debug macro
  ARM: S3C24XX: trim down debug uart handling
  ARM: compressed/head.S: remove s3c24xx special case
  ARM: EXYNOS: Remove unnecessary inclusion of cpu.h
  ARM: EXYNOS: Migrate Exynos specific macros from plat to mach
  ARM: EXYNOS: Remove exynos_subsys registration
  ARM: EXYNOS: Remove duplicate lines in Makefile
  ARM: EXYNOS: use v7_exit_coherency_flush macro for cache disabling
  ARM: OMAP4: PRCM: remove references to cm-regbits-44xx.h from PRCM core files
  ARM: OMAP3/4: PRM: add support of late_init call to prm_ll_ops
  ARM: OMAP3/OMAP4: PRM: add prm_features flags and add IO wakeup under it
  ARM: OMAP3/4: PRM: provide io chain reconfig function through irq setup
  ARM: OMAP2+: PRM: remove unnecessary cpu_is_XXX calls from prm_init / exit
  ARM: OMAP2+: PRCM: cleanup some header includes
  ...
2014-06-02 16:14:07 -07:00
Linus Torvalds
ff933a0817 ARM: SoC low-priority fixes for 3.16
A small selection of fixes coming in late during the release cycle and
 not being critical enough for 3.15 inclusion.
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Merge tag 'fixes-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc into next

Pull ARM SoC low-priority fixes from Olof Johansson:
 "A small selection of fixes coming in late during the release cycle and
  not being critical enough for 3.15 inclusion"

* tag 'fixes-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: shmobile: armadillo800eva: fixup HDMI sound flags setting
  ARM: msm: Silence readb/writeb warnings due to missing IOMEM()
  ARM: dts: am43xx: fix starting offset of NAND.filesystem MTD partition
  ARM: dts: am335x-boneblack: remove use of ti,vcc-aux-disable-is-sleep
  ARM: OMAP2+: free use_gptimer_clksrc variable after boot
  ARM: OMAP5: Redo THUMB mode switch on secondary CPU
  ARM: dts: AM4372: add l3-noc information
  ARM: dts: DRA7: Use dra7-l3-noc instead of omap4-l3-noc
  reset: Add of_reset_control_get to reset.h
2014-06-02 16:13:34 -07:00
Sekhar Nori
d941f86fad ARM: l2c: AM43x: add L2 cache support
Add support for L2 cache controller (PL310) on AM437x SoC.

Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-05-30 00:49:51 +01:00
Sekhar Nori
b39b14e62a ARM: l2c: omap2+: get rid of init call
Get rid of init call to initialize L2 cache.  Instead use the init_early
machine hook. This helps in using the initialization routine across
SoCs without the need of ugly cpu_is_*() checks.

Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-05-30 00:49:49 +01:00
Sekhar Nori
d196483dfc ARM: l2c: omap2+: get rid of redundant cache replacement policy setting
L2 cache initialization for OMAP4 redundantly sets the cache policy to
Round-Robin. This is not needed since thats the PL310 default anyway.

Removing this reduces the number of platform specific aux control
settings.

Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-05-30 00:49:47 +01:00
Russell King
7a09b28e8a ARM: l2c: omap2: avoid reading directly from the L2 registers in platform code
Avoid reading directly from the L2 registers in platform code.  The L2
code will have already saved the register values itself into the
l2x0_saved_regs structure, so platform code should just move these
values to where they're required.

This is safe because the L2x0 will have been initialised by an early
initcall, whereas the OMAP4 PM code is initialised late.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-05-30 00:49:45 +01:00
Russell King
72ecbed1c5 ARM: l2c: omap2: remove explicit non-secure access bits
Since we now always enable NS access to the unlock registers, this can
be removed from OMAP4.  Remove the NS access bit for the interrupt
registers from OMAP4 as well - nothing in the kernel accesses that yet,
and we can add it in core code when we have the need.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-05-30 00:49:42 +01:00
Russell King
deb125abad ARM: l2c: omap2: remove cache size override
The cache size should already be present in the L2 cache auxiliary
control register: it is part of the integration process to configure
the hardware IP.  Most platforms get this right, yet still many
cargo-cult program, and assume that they always need specifying to
the L2 cache code.  Remove them so we can find out which really need
this.

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-05-30 00:49:40 +01:00
Russell King
7eab0039d3 ARM: l2c: omap2: remove explicit SMI calls to enable L2 cache
Now that OMAP2 uses the write_sec method, we don't need to enable the L2
cache in OMAP2 specific code; this can be done via the normal mechanisms
in the L2C code.  Remove the OMAP2 specific code.

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-05-30 00:49:38 +01:00
Russell King
36827edd2e ARM: l2c: omap2: implement new write_sec method
With the write_sec method, we no longer need to override the default
L2C disable method, and we no longer need the L2C set_debug method.
Both of these can be handled via the write_sec method.

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-05-30 00:49:36 +01:00
Russell King
36bccb11a4 ARM: l2c: remove platforms/SoCs setting early BRESP
Since we now automatically enable early BRESP in core L2C-310 code when
we detect a Cortex-A9, we don't need platforms/SoCs to set this bit
explicitly.  Instead, they should seek to preserve the value of bit 30
in the auxiliary control register.

Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-05-30 00:48:51 +01:00
Russell King
1a5a954ce0 ARM: l2c: fix register naming
We have a mixture of different devices with different register layouts,
but we group all the bits together in an opaque mess.  Split them out
into those which are L2C-310 specific and ones which refer to earlier
devices.  Provide full auxiliary control register definitions.

Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-05-30 00:48:43 +01:00
Joachim Eastwood
b0156b05a6 ARM: OMAP2+: remove unused omap4-keypad file and code
This has been unused since omap4 board files went away.

Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2014-05-29 00:33:31 -07:00
Tero Kristo
61f25ca76c ARM: OMAP2: clock: add DT boot support for cpufreq_ck
The clock and clkdev for this are added manually.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2014-05-28 13:05:57 +03:00
Tero Kristo
de74257074 CLK: TI: interface: add support for omap2430 specific interface clock
OMAP2430 I2CHS modules require specific hardware ops to be used, so added
a new compatible string for this.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2014-05-28 12:30:12 +03:00
Tero Kristo
4d008589e2 CLK: TI: APLL: add support for omap2 aplls
This patch adds support for omap2 type aplls, which have gating and
autoidle functionality.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2014-05-28 12:30:02 +03:00
Tero Kristo
aa76fcf473 CLK: TI: DPLL: add support for omap2 core dpll
OMAP2 has slightly different DPLL compared to later OMAP generations.
This patch adds support for the ti,omap2-dpll-core-clock and also adds
the bindings documentation.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2014-05-28 12:28:20 +03:00
Tomi Valkeinen
f2dd36ac99 OMAPDSS: move 'compatible' converter to omapdss driver
Move the panel/encoder driver compatible-string converter from
arch/arm/mach-omap2/display.c to omapdss driver. That is a more logical
place for it, as it's really an omapdss internal hack.

The code is rewritten to follow the video node graph, starting from
omapdss. This removes the need to have the device compatible-string
database.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-28 09:25:15 +03:00
Pekon Gupta
2e091d13e6 ARM: OMAP2+: gpmc: enable BCH_HW ecc-scheme for AM43xx platforms
Fixes: commit 0611c41934
ARM: OMAP2+: gpmc: update gpmc_hwecc_bch_capable() for new platforms and ECC schemes

Though the commit log of above commit mentions AM43xx platforms, but code change
missed AM43xx. This patch adds AM43xx to list of those SoC which have built-in
ELM hardware engine, so that BCH ecc-schemes with hardware error-correction can
be enabled on AM43xx devices.

Reported-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Pekon Gupta <pekon@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-05-27 14:22:30 -07:00
Tony Lindgren
dc94fabfc0 ARM: OMAP2+: Fix ssi hwmod entry to allow idling
The current entry prevents system from idling if
the hwmod is defined in the .dts file so let's
change the idlemodes.

Note that we probably don't have SYSC_HAS_EMUFREE
or SYSS_HAS_RESET_STATUS either. If we do, those
can be added later on.

Acked-by: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-05-27 11:50:17 -07:00
Olof Johansson
2ca602de42 PM related fixes for omap3 that were discovered during omap3
conversion to device tree. This series sets up the PMIC signaling
 in a way where we can test for PM regressions easily by
 looking at state of the the sys_clkreq and sys_off_mode pins.
 
 Note that this series alone does not make omap3 PM to cut
 off core voltage during off-idle, changes to twl4030-power.c
 configurations are still needed. Those will be posted
 separately.
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Merge tag 'omap-for-v3.16/pm-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc

Merge "ARM: omap pm changes for v3.16 merge window, resend" from Tony Lindgren:

PM related fixes for omap3 that were discovered during omap3
conversion to device tree. This series sets up the PMIC signaling
in a way where we can test for PM regressions easily by
looking at state of the the sys_clkreq and sys_off_mode pins.

Note that this series alone does not make omap3 PM to cut
off core voltage during off-idle, changes to twl4030-power.c
configurations are still needed. Those will be posted
separately.

* tag 'omap-for-v3.16/pm-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: Enable CPUidle in omap2plus_defconfig
  ARM: dts: Enable N900 keyboard sleep leds by default
  ARM: OMAP2+: Fix voltage scaling init for device tree
  ARM: dts: Configure omap3 twl4030 I2C4 pins by default
  ARM: OMAP3: Fix voltage control for deeper idle states
  ARM: OMAP3: Disable broken omap3_set_off_timings function
  ARM: OMAP3: Fix idle mode signaling for sys_clkreq and sys_off_mode
  ARM: dts: Fix omap serial wake-up when booted with device tree
  mfd: twl-core: Fix idle mode signaling for omaps when booted with device tree

Signed-off-by: Olof Johansson <olof@lixom.net>
2014-05-26 13:24:56 -07:00
Greg Kroah-Hartman
f8712528ae usb: patches for v3.16 merge window
Not a lot here during this merge window. Mostly we just have
 the usual miscellaneous patches (removal of unnecessary prints,
 proper dependencies being added to Kconfig, build warning fixes,
 new device ID, etc.
 
 Other than those, the only important new features are the
 new support for OS Strings which should help Linux Gadget
 Drivers behave better under MS Windows. Also Babble Recovery
 implementation for MUSB on AM335x. Lastly, we also have
 ARCH_QCOM PHY support though phy-msm.
 
 Signed-of-by: Felipe Balbi <balbi@ti.com>
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Merge tag 'usb-for-v3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next

Felipe writes:

usb: patches for v3.16 merge window

Not a lot here during this merge window. Mostly we just have
the usual miscellaneous patches (removal of unnecessary prints,
proper dependencies being added to Kconfig, build warning fixes,
new device ID, etc.

Other than those, the only important new features are the
new support for OS Strings which should help Linux Gadget
Drivers behave better under MS Windows. Also Babble Recovery
implementation for MUSB on AM335x. Lastly, we also have
ARCH_QCOM PHY support though phy-msm.

Signed-of-by: Felipe Balbi <balbi@ti.com>

Conflicts:
	drivers/usb/phy/phy-mv-u3d-usb.c
2014-05-23 11:28:21 +09:00
Russell King
cef3d92c5b ARM: l2c: omap2: remove ES1.0 support
Santosh says:
> But we should kill all of that since we long back decided to remove
> ES1.0 related code. The mach-omap code alreasy has removed the ES1.0
> compatibility so feel free to remove any specific ES1.0
> related stuff. That silicon is long dead.

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-05-22 16:38:41 +01:00
Olof Johansson
767bf9f00e Regression fixes for omaps for NAND, DMA, cpu_idle and audio.
Also a minor one line fix for audio clock on 54xx.
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Merge tag 'omap-for-v3.15/fixes-v3-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

Pull "omap fixes for v3.15-rc cycle" from Tony Lindgren:

Regression fixes for omaps for NAND, DMA, cpu_idle and audio.
Also a minor one line fix for audio clock on 54xx.

* tag 'omap-for-v3.15/fixes-v3-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP4: Fix the boot regression with CPU_IDLE enabled
  ARM: OMAP2+: Fix DMA hang after off-idle
  ARM: OMAP2+: nand: Fix NAND on OMAP2 and OMAP3 boards
  ARM: omap5: hwmod_data: Correct IDLEMODE for McPDM
  ARM: OMAP3: clock: Back-propagate rate change from cam_mclk to dpll4_m5 on all OMAP3 platforms

Signed-off-by: Olof Johansson <olof@lixom.net>
2014-05-21 22:19:27 -07:00
Alexandre Belloni
dee401e1fd ARM: OMAP3: Beagle: use PWM_LOOKUP to initialize struct pwm_lookup
Use the new variant of the PWM_LOOKUP macro to initialize the PWM lookup
table.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2014-05-21 11:19:37 +02:00
Alexandre Belloni
e02a84a5ad ARM: OMAP3: Beagle: initialize all the struct pwm_lookup members
The PWM core can retrieve the period from the PWM lookup table, so the
struct led_pwm.pwm_period_ns member can be removed.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2014-05-21 11:19:35 +02:00
pekon gupta
27c9fd6075 mtd: nand: omap: add support for BCH16_ECC - GPMC driver updates
This patch add support for BCH16_ECC in GPMC (controller) driver:
- extends configuration space to include BCH16 registers
- extends parsing of DT binding for selecting BCH16 ecc-scheme

Signed-off-by: Pekon Gupta <pekon@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-05-20 17:52:14 -07:00
Joachim Eastwood
95eb894e93 ARM: OMAP2+: Use pdata quirks for wl12xx on VAR-STK/DVK-OM44
Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-05-19 17:20:30 -07:00
Nishanth Menon
733d20eeee ARM: DRA752: add detection of SoC information
Currently the files in /sys/devices/soc0/ show no information about
DRA7. Few userspace programs do depend on this information to make SoC
specific support. So update logic to detect the relevant information and
provide to userspace.

Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-05-19 15:38:03 -07:00
Dave Gerlach
2e4b62dc5e ARM: OMAP2+: Remove suspend_set_ops from common pm late init
In omap2_common_pm_late_init suspend_set_ops was called to set common
suspend handling functions for all omap platforms. This created two
problems. First, these suspend ops were being set for all platforms,
regardless of whether or not suspend support has been integrated so in
the case of AM33XX, suspend to mem was presented as available but
failed every time. Second, some platforms will need to define a
completely separate set of suspend ops, such as AM33XX, due to
differences from previous omap platforms so there is no need to
always set the common omap ops.

This patch moves the suspend_set_ops call from omap2_common_pm_late_init
into a separate function that then gets called in the omap*_pm_init
functions for each platform.

Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-05-19 15:31:54 -07:00
Santosh Shilimkar
4b353a706a ARM: OMAP4: Fix the boot regression with CPU_IDLE enabled
On OMAP4 panda board, there have been several bug reports about boot
hang and lock-ups with CPU_IDLE enabled. The root cause of the issue
is missing interrupts while in idle state. Commit cb7094e8 {cpuidle / omap4 :
use CPUIDLE_FLAG_TIMER_STOP flag} moved the broadcast notifiers to common
code for right reasons but on OMAP4 which suffers from a nasty ROM code
bug with GIC, commit ff999b8a {ARM: OMAP4460: Workaround for ROM bug ..},
we loose interrupts which leads to issues like lock-up, hangs etc.

Patch reverts commit cb7094 {cpuidle / omap4 : use CPUIDLE_FLAG_TIMER_STOP
flag} and 54769d6 {cpuidle: OMAP4: remove timer broadcast initialization} to
avoid the issue. With this change, OMAP4 panda boards, the mentioned
issues are getting fixed. We no longer loose interrupts which was the cause
of the regression.

Fixes: cb7094e8 (cpuidle / omap4 : use CPUIDLE_FLAG_TIMER_STOP flag)
Fixes: ff999b8a (cpuidle: OMAP4: remove timer broadcast initialization)
Cc: stable@vger.kernel.org # v3.9+
Cc: Roger Quadros <rogerq@ti.com>
Cc: Kevin Hilman <khilman@linaro.org>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Reported-tested-by: Roger Quadros <rogerq@ti.com>
Reported-tested-by: Kevin Hilman <khilman@linaro.org>
Tested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-05-19 11:20:38 -07:00
Tony Lindgren
ea351c1603 Some OMAP PRCM cleanup patches. These help prepare to convert the PRCM
code into drivers.
 
 Basic build, boot, and PM test results are available here:
 
 http://www.pwsan.com/omap/testlogs/prcm-cleanup-v3.16/20140515213244/
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Merge tag 'for-v3.16/prcm-cleanup-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v3.16/prcm

Some OMAP PRCM cleanup patches.  These help prepare to convert the PRCM
code into drivers.

Basic build, boot, and PM test results are available here:

http://www.pwsan.com/omap/testlogs/prcm-cleanup-v3.16/20140515213244/

Conflicts:
	arch/arm/mach-omap2/cm3xxx.c
	arch/arm/mach-omap2/cm44xx.c

Also fixed up new section mismatch warnings.
2014-05-16 15:26:22 -07:00
Roger Quadros
5005e0b767 ARM: OMAP2+: nand: Fix NAND on OMAP2 and OMAP3 boards
Commit c66d039197 broke NAND for non-DT boot on all OMAP2 and OMAP3
boards using board_nand_init(). Following error is seen at boot

[    0.154998]  (null): Unsupported NAND ECC scheme selected

For OMAP2 and OMAP3 platforms, the ecc_opt parameter in platform data
must be set to OMAP_ECC_HAM1_CODE_HW to work properly.

Tested on omap3-beagle c4.

Fixes: c66d039197 (mtd: nand: omap: combine different flavours of 1-bit hamming ecc schemes)
Cc: stable@vger.kernel.org # v3.12+
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-05-16 14:45:40 -07:00
Tony Lindgren
5c13190273 Two small OMAP fixes for v3.15-rc. One fixes "slow motion" or
"choppy" audio playback on OMAP5.  The other applies an OMAP3630 fix
 for clock rate setting for camera to other OMAP3 chips.
 
 Basic build, boot, and PM test results are available here:
 
 http://www.pwsan.com/omap/testlogs/prcm-fixes-b-v3.15-rc/20140514112639/
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Merge tag 'for-v3.15-rc/omap-fixes-b' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v3.15/fixes-v3

Two small OMAP fixes for v3.15-rc.  One fixes "slow motion" or
"choppy" audio playback on OMAP5.  The other applies an OMAP3630 fix
for clock rate setting for camera to other OMAP3 chips.

Basic build, boot, and PM test results are available here:

http://www.pwsan.com/omap/testlogs/prcm-fixes-b-v3.15-rc/20140514112639/
2014-05-16 14:43:40 -07:00
Paul Bolle
4513c3b8c4 ARM: OMAP: AM3517EVM: remove check for CONFIG_PANEL_SHARP_LQ043T1DG01
The Kconfig symbol PANEL_SHARP_LQ043T1DG01 was removed in v2.6.38. The
check for CONFIG_PANEL_SHARP_LQ043T1DG01 and its MODULE variant has
evaluated to false ever since. Remove that check.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-05-16 14:13:07 -07:00
Paul Bolle
d8c270a874 ARM: OMAP: omap3stalker: remove two Kconfig macros
Checks for CONFIG_OMAP2_VENC_OUT_TYPE_SVIDEO and
CONFIG_OMAP2_VENC_OUT_TYPE_COMPOSITE were added in v2.6.35. But the
related Kconfig symbols have never been added to the tree. Remove these
checks.

Initialize connector_type to OMAP_DSS_VENC_TYPE_COMPOSITE explicitly.
That's what's happening currently: OMAP_DSS_VENC_TYPE_COMPOSITE equals
zero and connector_type remains zero since both checks currently fail.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-05-16 14:10:04 -07:00
Tero Kristo
70fcebf196 ARM: OMAP4: PRCM: remove references to cm-regbits-44xx.h from PRCM core files
Done in preparation to make PRCM a standalone driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-05-15 22:35:10 -06:00
Tero Kristo
b550e47f5e ARM: OMAP3/4: PRM: add support of late_init call to prm_ll_ops
SoC specific late_init call is now registered during PRM init, and will
be called automatically by PRM core. This helps to get rid of some
redundant initcalls and cpu_is_X checks from the PRM code.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-05-15 22:35:04 -06:00
Tero Kristo
2541d15f16 ARM: OMAP3/OMAP4: PRM: add prm_features flags and add IO wakeup under it
prm_features flag will contain SoC specific feature enabler flags. Initially
IO wakeup is added under this. Helps to get rid of runtime cpu_is_X checks.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-05-15 22:34:58 -06:00
Tero Kristo
81243651ba ARM: OMAP3/4: PRM: provide io chain reconfig function through irq setup
This helps to make the PRM registration modular, and also gets rid of a
cpu type check done later.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-05-15 22:34:54 -06:00
Tero Kristo
d8871cd245 ARM: OMAP2+: PRM: remove unnecessary cpu_is_XXX calls from prm_init / exit
Done in preparation to make PRM its own driver, as the cpu_is_XXX calls are
not available outside mach-omap2 folder.

The init functions are called only from cpu specific init chain, and thus
don't need to double check against cpu type.

The exit calls check against the data provided during init-time registration
and thus don't need cpu check either.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
[paul@pwsan.com: updated to apply]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-05-15 22:34:51 -06:00
Tero Kristo
4794208c5b ARM: OMAP2+: PRCM: cleanup some header includes
Some of the includes are totally unnecessary, remove some others in
preparation to make the PRCM its own driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
[paul@pwsan.com: updated to apply; fixed build error on OMAP2xxx-only configs]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-05-15 22:34:48 -06:00
Tero Kristo
cdb445147a ARM: OMAP4: CM: use cm_base* in register address calculations
OMAP44XX_CM*_REGADDR macros should be avoided, instead use the cm_base*
iomaps.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-05-15 22:34:44 -06:00
Tero Kristo
7af1363742 ARM: OMAP2/3: CM: remove some external dependencies
Done in preparation to move the CM driver to its own driver folder.
These drivers will not have access to functionality under mach-omap2 anymore.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-05-15 22:34:25 -06:00
Tero Kristo
250e27ee95 ARM: OMAP2+: prcm: add omap_test_timeout to prcm-common.h
Done in preparation to move cm/prm to drivers. These will still use
omap_test_timeout, but will not have access to common.h header under
mach-omap2 anymore.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-05-15 22:34:17 -06:00
Sourav Poddar
8ed43df176 ARM: omap2+: skip device build from platform code for dt
For SOCs with dt enabled, device should be build through device tree.
Prevent device build call from platform code, if device tree is
enabled.

Signed-off-by: Sourav Poddar <sourav.poddar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-05-14 14:41:25 -07:00
Roger Quadros
fbf3e552e9 ARM: dts: dra7: Add USB related nodes
Add nodes for the Super Speed USB controllers, omap-control-usb,
USB2 PHY and USB3 PHY devices.

Remove ocp2scp1 address space from hwmod data as it is
now provided via device tree.

CC: Benoît Cousson <bcousson@baylibre.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-05-14 14:39:36 -07:00
Archit Taneja
4334807079 ARM: OMAP2+: hwmod: OMAP5 DSS hwmod data
Add hwmod data for dss core, dispc dsi1, dsi2, rfbi and hdmi. It's more
or less similar to omap4 hwmod data.

Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-05-14 12:26:10 -06:00
Peter Ujfalusi
e34917955b ARM: omap4: hwmod_data: Clean up audio related structures (remove/merge them)
All audio related omap_hwmod_ocp_if *_dma can be removed from the data since
we can just add the user flag to the non dma structure.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-05-14 12:26:10 -06:00
Peter Ujfalusi
0f9e19ad88 ARM: omap5: hwmod_data: Correct IDLEMODE for McPDM
McPDM need to be configured to NO_IDLE mode when it is in used otherwise
vital clocks will be gated which results 'slow motion' audio playback.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Cc: <stable@kernel.org>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-05-14 11:25:58 -06:00
Sebastian Reichel
14c0a5b4b9 ARM: OMAP2+: Add support for RNG on DT booted N900
Add support for OMAP3 ROM Random Number Generator via
pdata-quirks.

Signed-off-by: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-05-13 10:08:03 -07:00
Tero Kristo
b21be7bcd8 ARM: OMAP3: CM: remove a few OMAP34XX_CM_REGADDR defines
Remove a few OMAP34XX_CM_REGADDR defines and replace these with offset
based register accesses instead.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-05-11 19:35:13 -06:00
Tomi Valkeinen
9a3089481a ARM: OMAP: add detection of omap5-dss
Add detection of omap5-dss nodes so that the related devices get
initialized.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-09 15:11:27 +03:00
Sathya Prakash M R
d6279d4ae1 OMAPDSS: Add DSS features for AM43xx
Add DSS features for AM43xx.

Signed-off-by: Sathya Prakash M R <sathyap@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-09 15:11:26 +03:00
Marek Belisko
1f32450911 omapdss: panel-tpo-td028ec1: Add DT support.
Signed-off-by: Marek Belisko <marek@goldelico.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-05-09 12:35:51 +03:00
Victor Kamensky
edfaf05c2f ARM: OMAP2+: raw read and write endian fix
All OMAP IP blocks expect LE data, but CPU may operate in BE mode.
Need to use endian neutral functions to read/write h/w registers.
I.e instead of __raw_read[lw] and __raw_write[lw] functions code
need to use read[lw]_relaxed and write[lw]_relaxed functions.
If the first simply reads/writes register, the second will byteswap
it if host operates in BE mode.

Changes are trivial sed like replacement of __raw_xxx functions
with xxx_relaxed variant.

Signed-off-by: Victor Kamensky <victor.kamensky@linaro.org>
Signed-off-by: Taras Kondratiuk <taras.kondratiuk@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-05-08 07:09:53 -07:00
Tony Lindgren
2ee5f528a8 ARM: OMAP2+: Fix voltage scaling init for device tree
We are currently disabling the init of voltage scaling
for device tree. With the voltage scaling problems fixed
for omap3 in general, there's no need to disable the voltage
scaling init for device tree based booting.

Cc: Kevin Hilman <khilman@linaro.org>
Cc: Nishanth Menon <nm@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-05-06 15:45:15 -07:00
Tony Lindgren
c46f601cc2 ARM: OMAP3: Fix voltage control for deeper idle states
Currently we're attempting to use a static value for the
voltctrl register that only works for controlling the PMIC
over I2C4. For using sys_off_mode signaling, we need to update
update clksetup, voltsetup1, voltsetup2 and voltctrl registers
dynamically depending on the idle state.

So let's fix this by configuring things for I2C4 controlled idle
and sys_off_mode pin controlled idle, and then write the
configured register values depending on the idle state. This
is similar what N900 kernel is doing too.

Cc: Kevin Hilman <khilman@linaro.org>
Cc: Nishanth Menon <nm@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-05-06 15:39:25 -07:00
Tony Lindgren
9eca2837dd ARM: OMAP3: Disable broken omap3_set_off_timings function
Commit c589eb3869 (ARM: OMAP3: VC: calculate ramp times)
started using regulator slew rates for calculating the idle
mode start-up times. This works fine for I2C4 controlled
regulator scaling as the regulators are never completely
turned off.

For sys_off_mode pin controlled PMIC scripts, the slew rate
based calculations won't work at all as the regulators are
completely turned off and the start-up time is much longer.

This means currently omap3_set_off_timings currently has
zero chance of working on any real hardare. The current code
is broken in at least the following ways:

1. It attempts to use the default ULONG_MAX value for the
   oscillator start-up value as we're currently never
   initializing the start-up value.

2. It relies on a magic number potentially set by the
   bootloader for volsetup2 register.

3. If no magic value is passed, it attempts to calculate
   voltsetup2 register based on the regulator slew rate.
   This won't work as there is roughly at least five
   times the delay needed for turning on vdd1 and vdd2
   regulators.

4. It does duplicate register write to OMAP3_PRM_VOLTOFFSET

5. It duplicates the code for omap_usec_to_32k unnecessarily

6. It initialized global registers twice, once for each channel

Let's just remove the broken code and call omap3_set_i2c_timings
directly, we're better off with this function doing nothing until
it's fixed. And otherwise further fixes to omap3_set_off_timings
will be unreadable.

And let's get rid of omap3_set_clksetup as that's not needed
for off-idle controlled by I2C4 as in that case the oscillator
is never shut down.

Cc: Kevin Hilman <khilman@linaro.org>
Cc: Nishanth Menon <nm@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-05-06 15:39:19 -07:00
Tony Lindgren
3b8c4ebb76 ARM: OMAP3: Fix idle mode signaling for sys_clkreq and sys_off_mode
While debugging legacy mode vs device tree booted PM regressions,
I noticed that omap3 is not toggling sys_clkreq and sys_off_mode
pins like it should.

The sys_clkreq and sys_off_mode pins are not toggling because of
the following issues:

1. The default polarity for the sys_off_mode pin is wrong.
   OFFMODE_POL needs to be cleared for sys_off_mode to go down when
   hitting off-idle, while CLKREQ_POL needs to be set so sys_clkreq
   goes down when hitting retention.

2. The values for voltctrl register need to be updated dynamically.
   We need to set either the retention idle bits, or off idle bits
   in the voltctrl register depending the idle mode we're targeting
   to hit.

Let's fix these two issues as otherwise the system will just
hang if any twl4030 PMIC idle scripts are loaded. The only case
where the system does not hang is if only retention idle over I2C4
is configured by the bootloader.

Note that even without the twl4030 PMIC scripts, these fixes will
do the proper signaling of sys_clkreq and sys_off_mode pins, so
the fixes are needed to fix monitoring of PM states with LEDs or
an oscilloscope.

Cc: Kevin Hilman <khilman@linaro.org>
Cc: Nishanth Menon <nm@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-05-06 13:48:35 -07:00
Tony Lindgren
08eb9a8c8a Immutable branch between MFD and ARM OMAP due for v3.16 merge-window.
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Merge tag 'ib-mfd-omap-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd into omap-for-v3.16/pm

Immutable branch between MFD and ARM OMAP due for v3.16 merge-window.
2014-05-06 13:48:02 -07:00
Rajendra Nayak
44e97ff6dc ARM: OMAP2+: Add machine entry for dra72x devices
The only difference from the dra74x devices is the missing .smp entry.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-05-06 10:20:14 -07:00
Rajendra Nayak
1509e24be2 ARM: OMAP2+: Replace all __initdata with __initconst for const init
Use of const init definition must use __initconst so replace
all such instances where __initdata is used.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-05-06 10:20:14 -07:00
Oussama Ghorbel
332f19317e ARM: OMAP2+: free use_gptimer_clksrc variable after boot
The variable use_gptimer_clksrc is only used by two __init functions,
So we can freely free it after boot.

Signed-off-by: Oussama Ghorbel <ghorbel@pivasoftware.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-05-05 17:35:03 -07:00
Joel Fernandes
55fde31cae ARM: OMAP5: Redo THUMB mode switch on secondary CPU
Here's a redo of the patch [1] that effectively does the same
thing but is the right way to do things by using ENDPROC instead.
The firmware correctly switches to THUMB before entry.

The patch applies ontop of the earlier patch [1].

[1] https://lkml.org/lkml/2014/4/22/1044

Suggested-by: Dave Martin <Dave.Martin@arm.com>
Cc: Dave Martin <Dave.Martin@arm.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Nishanth Menon <nm@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Joel Fernandes <joelf@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-05-05 17:32:25 -07:00
Laurent Pinchart
98d7e1aee6 ARM: OMAP3: clock: Back-propagate rate change from cam_mclk to dpll4_m5 on all OMAP3 platforms
Commit 7b2e127759 ("ARM: OMAP3: clock:
Back-propagate rate change from cam_mclk to dpll4_m5") enabled clock
rate back-propagation from cam_mclk do dpll4_m5 on OMAP3630 only.
Perform back-propagation on other OMAP3 platforms as well.

Reported-by: Jean-Philippe François <jp.francois@cynove.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: <stable@kernel.org>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-04-28 15:58:22 -06:00
Joel Fernandes
da0159fdb5 ARM: OMAP5: Switch to THUMB mode if needed on secondary CPU
On my DRA7 system, when the kernel is built in Thumb-2 mode, the secondary CPU
(Cortex A15) fails to come up causing SMP boot on second CPU to timeout. This
seems to be because the CPU is in ARM mode once the ROM hands over control to
the kernel.  Switch to Thumb-2 mode if required once the kernel is control of
secondary CPU. On OMAP4 on the other hand, it appears to be in Thumb-2 mode on
entry so this is not required and SMP boot works as is.

Also corrected a spurious '+' and updated copyright information.

Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Nishanth Menon <nm@ti.com>
Tested-by: Nishanth Menon <nm@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Joel Fernandes <joelf@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-04-25 09:48:20 -07:00
Tony Lindgren
fb677ef70b ARM: OMAP2+: Fix GPMC remap for devices using an offset
At least the smc91x driver expects the device to be at 0x300
offset from bus base address. This does not work currently
for GPMC when booted in device tree mode as it attempts to
remap the the allocated GPMC partition to the address
configured by the device tree plus the device offset.

Note that this works just fine when booted with legacy mode.

Let's fix the issue by just ignoring any device specific
offset while remapping. And let's make sure the remap
address confirms to the GPMC 16MB minimum granularity
as listed in the TRM for GPMC_CONFIG7 BASEADDRESS bits.

Otherwise we can get something like this:

omap-gpmc 6e000000.gpmc: cannot remap GPMC CS 1 to 0x01000300

Cc: Pekon Gupta <pekon@ti.com>
Reviewed-by: Javier Martinez Canillas <javier@dowhile0.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-04-23 11:09:22 -07:00
Tony Lindgren
a613b739b8 mfd: twl-core: Fix idle mode signaling for omaps when booted with device tree
I noticed a regression where the omap sys_clkreq signal will never
trigger for omap3 when booted with device tree while it triggers
when booted in legacy mode. This means voltage scaling does not
do anything when booted with device tree.

Turns out the reason is we fail to initialize the SmartReflex
enable bit in twl4030 with the following error:

twl: not initialized

And that happens because we are wrongly tinkering with the twl4030
registers in arch/arm/mach-omap2/omap_twl.c before the driver is
initialized. Looking at the the SmartReflex bit enable code in
omap_twl.c, we need to always set it.

So let's fix the issue by always enabling the twl4030 SmartReflex
bit in the drivers/mfd/twl-core.c probe, and drop the related
code in omap_twl.c.

Note that we still have some twl4030 tinkering left in omap_twl.c
for the twl6030 case, but that's a different patch.

Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-04-23 15:31:05 +01:00
Tony Lindgren
efe8072316 ARM: OMAP2+: Fix oops for GPMC free
If gpmc_cs_remap() fails we will get an error because we are calling
release_resource() on an uninitialized resource. Let's fix that by
checking the resource flags. And while at it, let's also make
gpmc_cs_delete_mem() use the res pointer that we already have to
avoid confusion.

Without this patch we can get the following error:

omap-gpmc 6e000000.gpmc: cannot remap GPMC CS 1 to 0x01000300
Unable to handle kernel NULL pointer dereference at virtual address 00000018
...
(gpmc_cs_free+0x94/0xc8)
(gpmc_probe_generic_child+0x178/0x1ec)
(gpmc_probe_dt+0x1bc/0x2cc)
(gpmc_probe+0x250/0x44c)
(platform_drv_probe+0x3c/0x6c)
(really_probe+0x74/0x208)
(driver_probe_device+0x34/0x50)
(bus_for_each_drv+0x60/0x8c)
(device_attach+0x80/0xa4)
(bus_probe_device+0x88/0xb0)
(device_add+0x320/0x450)
(of_platform_device_create_pdata+0x80/0x9c)
(of_platform_bus_create+0xd0/0x170)
(of_platform_bus_create+0x12c/0x170)
(of_platform_populate+0x60/0x98)
(pdata_quirks_init+0x30/0x48)
(customize_machine+0x20/0x48)
(do_one_initcall+0x2c/0x14c)
(do_basic_setup+0x98/0xd8)
(kernel_init_freeable+0x12c/0x1e0)
(kernel_init+0x8/0xf0)
(ret_from_fork+0x14/0x2c)
Code: e1a04000 e59f0070 eb195136 e5942010 (e5923018)

Cc: Pekon Gupta <pekon@ti.com>
Reviewed-by: Javier Martinez Canillas <javier@dowhile0.org>
Signed-off-by: tony Lindgren <tony@atomide.com>
2014-04-21 19:26:13 -07:00
Felipe Balbi
d7078df6be usb: phy: rename <linux/usb/usb_phy_gen_xceiv.h> to <linux/usb/usb_phy_generic.h>
now that all functions match the driver name,
the only missing piece is to rename the header
file itself.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2014-04-21 14:07:24 -05:00
Felipe Balbi
4525beeb9a usb: phy: rename usb_nop_xceiv to usb_phy_generic
no functional changes, just renaming the function
in order to make it slightly clearer what it should
be used for, also matching the driver name.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2014-04-21 14:07:24 -05:00
Tony Lindgren
be2fa17a56 OMAP hwmod and clock fixes for v3.15-rc
A few OMAP hwmod and clock fixes for v3.15-rc.  Probably the most useful
 fix is the AM43xx DPLL patch.
 
 Basic build, boot, and PM test results are here:
 
 http://www.pwsan.com/omap/testlogs/prcm-fixes-a-v3.15-rc/20140411130021/
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Merge tag 'for-v3.15-rc/omap-fixes-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v3.15/fixes

OMAP hwmod and clock fixes for v3.15-rc

A few OMAP hwmod and clock fixes for v3.15-rc.  Probably the most useful
fix is the AM43xx DPLL patch.

Basic build, boot, and PM test results are here:

http://www.pwsan.com/omap/testlogs/prcm-fixes-a-v3.15-rc/20140411130021/
2014-04-18 16:46:53 -07:00
Tony Lindgren
cdd705dddc Merge branch 'fixes-v3.15-rc1'; commit '390403fd79821bbd0c3a0d83307df2be87047b36' into omap-for-v3.15/fixes 2014-04-18 16:44:38 -07:00
Sebastian Reichel
3348e28ddc ARM: OMAP2+: N900: remove omapdss init for DT boot
Do not try to initialize display for DT boot, since omapdss
is now initialized via Device Tree. Without this patch the
display subsystem does not properly come up.

Signed-off-by: Sebastian Reichel <sre@kernel.org>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-04-18 16:37:43 -07:00
Suman Anna
3d36ad7e7a ARM: OMAP2+: hwmod: fix missing braces in _init()
Bug was introduced by commit 'f92d959: ARM: OMAP2+: hwmod:
Extract no-idle and no-reset info from DT'

There were 2 versions of the patch posted which resulted in the above
commit. While v1 [1] had the bug, v2 [2] had it fixed.
However v1 apparently seemed to have been pulled in by mistake
introducing the bug.

Given of_find_property() does return NULL when the node passed is
NULL, it did not introduce any functional issues as such, just the
fact that the second if check was executed unnecessarily.

[1] https://www.mail-archive.com/linux-omap@vger.kernel.org/msg94220.html
[2] http://www.spinics.net/lists/linux-omap/msg98490.html

Cc: Nishanth Menon <nm@ti.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Fixes: f92d9597f7 ("ARM: OMAP2+: hwmod: Extract no-idle and no-reset info from DT")
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-04-11 12:29:09 -06:00
Tomi Valkeinen
8e4cb9aac2 ARM: AM43xx: fix dpll init in bypass mode
On AM43xx, if a PLL is in bypass at kernel init, the code in
omap2_get_dpll_rate() will not realize this and will try to calculate
the clock rate using the multiplier and the divider, resulting in
errors.

omap2_init_dpll_parent() has similar issue.

Add the missing soc_is_am43xx() check to make the code work on AM43xx.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Sathya Prakash M R <sathyap@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-04-11 12:29:09 -06:00
Roger Quadros
c6c56697ae ARM: OMAP3: hwmod data: Correct clock domains for USB modules
OMAP3 doesn't contain "l3_init_clkdm" clock domain. Use the
proper clock domains for USB Host and USB TLL modules.

Gets rid of the following warnings during boot
 omap_hwmod: usb_host_hs: could not associate to clkdm l3_init_clkdm
 omap_hwmod: usb_tll_hs: could not associate to clkdm l3_init_clkdm

Reported-by: Nishanth Menon <nm@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Fixes: de231388cb ("ARM: OMAP: USB: EHCI and OHCI hwmod structures for OMAP3")
Cc: Keshava Munegowda <keshava_mgowda@ti.com>
Cc: Partha Basak <parthab@india.ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-04-11 11:51:22 -06:00
Tero Kristo
390403fd79 ARM: OMAP3: PM: remove access to PRM_VOLTCTRL register
There is a solitary write to this register every wakeup from off-mode,
which isn't doing anything, so remove it.

Also note that modifying this register trashes any attempted
voltage scaling configuration and the change probably should
never have gotten merged in the first place.

Cc: Nishanth Menon <nm@ti.com>
Cc: Kevin Hilman <khilman@linaro.org>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
[tony@atomide.com: updated comments to describe regression]
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-04-10 11:01:09 -07:00
Linus Torvalds
0af9fb6391 fbdev changes for 3.15 (OMAP)
This contains OMAP related fbdev changes for 3.15. The bulk of the patches are
 for adding Device Tree support for OMAP Display Subsystem:
 
 * SoCs: OMAP2/3/4
 
 * Boards: OMAP4 Panda, OMAP4 SDP, OMAP3 Beagle, OMAP3 Beagle-xM, OMAP3
   IGEP0020, OMAP3 N900
 
 * Devices: TFP410 Encoder, tpd12s015 HDMI companion chip, Sony acx565akm panel,
   MIPI DSI Command mode panel and HDMI, DVI and Analog TV connectors
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Merge tag 'fbdev-omap-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux

Pull OMAP fbdev changes from Tomi Valkeinen:
 "This is based on the already pulled fbdev-main changes, and this also
  merges .dts branch from Tony Lindgren (which has also been pulled), so
  that I was able to add the display related .dts changes.

  This contains OMAP related fbdev changes for 3.15.  The bulk of the
  patches are for adding Device Tree support for OMAP Display Subsystem:

   - SoCs: OMAP2/3/4

   - Boards: OMAP4 Panda, OMAP4 SDP, OMAP3 Beagle, OMAP3 Beagle-xM,
     OMAP3 IGEP0020, OMAP3 N900

   - Devices: TFP410 Encoder, tpd12s015 HDMI companion chip, Sony
     acx565akm panel, MIPI DSI Command mode panel and HDMI, DVI and
     Analog TV connectors"

* tag 'fbdev-omap-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (45 commits)
  OMAPDSS: HDMI: fix interlace output
  OMAPDSS: add missing __init for dss_init_ports
  ARM: OMAP2+: remove pdata quirks for displays
  OMAPDSS: remove DT hacks for regulators
  Doc/DT: Add DT binding documentation for tpd12s015 encoder
  Doc/DT: Add DT binding documentation for TFP410 encoder
  Doc/DT: Add DT binding documentation for Sony acx565akm panel
  Doc/DT: Add DT binding documentation for MIPI DSI CM Panel
  Doc/DT: Add DT binding documentation for HDMI Connector
  Doc/DT: Add DT binding documentation for DVI Connector
  Doc/DT: Add DT binding documentation for Analog TV Connector
  ARM: omap3-n900.dts: add display information
  ARM: omap3-igep0020.dts: add display information
  ARM: omap3-beagle-xm.dts: add display information
  ARM: omap3-beagle.dts: add display information
  ARM: omap4-sdp.dts: add display information
  Doc/DT: Add DT binding documentation for OMAP DSS
  OMAPDSS: acx565akm: Add DT support
  OMAPDSS: connector-analog-tv: Add DT support
  OMAPDSS: hdmi-connector: Add DT support
  ...
2014-04-07 10:47:51 -07:00
Linus Torvalds
e5744abb2f == Changes to existing drivers ==
- Use of managed resources - omap, twl4030, ti_am335x_tscadc
    - Advanced error handling - omap
    - Rework clk management - omap
    - Device Tree (re-)work - tc3589x, pm8921, da9055, sec
    - IRC management overhaul and !BROKEN - pm8921
    - Convert to regmap - ssbi, pm8921
    - Use simple power-management ops - ucb1x00
    - Include file clean-up - adp5520, cs5535, janz, lpc_ich,
       - lpc_sch, max14577, mcp-sa11x0, pcf50633-adc, rc5t583,
       	rdc321x-southbridge, retu, smsc-ece1099, ti-ssp, ti_am335x_tscadc,
 	tps65912, vexpress-config, wm8350, ywm8350
    - Various bug fixes across the subsystem
       - NULL/invalid pointer dereference prevention
       - Resource leak mitigation,
       - Variable used initialised
       - Staticise various containers
       - Enforce return value checks
 
  == New drivers/supported devices ==
    - Add support for s2mps14 and s2mpa01 to sec
    - Add support for da9063 (v5) to da9063
    - Add support for atom-c2000 to gpio-ich
    - Add support for come-{mbt10,cbt6,chl6} to kempld
    - Add support for da9053 to da9052
    - Add support for itco-wdt (v3) and baytrail to lpc_ich
    - Add new drivers for tps65218, rtsx_usb, bcm590xx
 
  == (Re-)moved drivers ==
    - twl4030 ==> drivers/iio
    - ti-ssp  ==> /dev/null
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Merge tag 'mfd-for-linus-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "Changes to existing drivers:
   - Use of managed resources - omap, twl4030, ti_am335x_tscadc
   - Advanced error handling - omap
   - Rework clk management - omap
   - Device Tree (re-)work - tc3589x, pm8921, da9055, sec
   - IRC management overhaul and !BROKEN - pm8921
   - Convert to regmap - ssbi, pm8921
   - Use simple power-management ops - ucb1x00
   - Include file clean-up - adp5520, cs5535, janz, lpc_ich,
      - lpc_sch, max14577, mcp-sa11x0, pcf50633-adc, rc5t583,
      	rdc321x-southbridge, retu, smsc-ece1099, ti-ssp, ti_am335x_tscadc,
	tps65912, vexpress-config, wm8350, ywm8350
   - Various bug fixes across the subsystem
      - NULL/invalid pointer dereference prevention
      - Resource leak mitigation,
      - Variable used initialised
      - Staticise various containers
      - Enforce return value checks

  New drivers/supported devices:
   - Add support for s2mps14 and s2mpa01 to sec
   - Add support for da9063 (v5) to da9063
   - Add support for atom-c2000 to gpio-ich
   - Add support for come-{mbt10,cbt6,chl6} to kempld
   - Add support for da9053 to da9052
   - Add support for itco-wdt (v3) and baytrail to lpc_ich
   - Add new drivers for tps65218, rtsx_usb, bcm590xx

  (Re-)moved drivers:
   - twl4030 ==> drivers/iio
   - ti-ssp  ==> /dev/null"

* tag 'mfd-for-linus-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (103 commits)
  mfd: wm5110: Correct default for HEADPHONE_DETECT_1
  mfd: arizona: Correct small errors in the DT binding documentation
  mfd: arizona: Mark DSP clocking register as volatile
  mfd: devicetree: bindings: Add pm8xxx RTC description
  mfd: kempld-core: Fix potential hang-up during boot
  mfd: sec-core: Fix uninitialized 'regmap_rtc' on S2MPA01
  mfd: tps65910: Fix regmap_irq_chip_data leak on mfd_add_devices fail
  mfd: tps65910: Fix possible invalid pointer dereference on regmap_add_irq_chip fail
  mfd: sec-core: Fix I2C dummy device resource leak on probe failure
  mfd: sec-core: Add of_compatible strings for clock MFD cells
  mfd: Remove obsolete ti-ssp driver
  Documentation: mfd: s2mps11: Describe S5M8767 and S2MPS14 clocks
  mfd: bcm590xx: Fix type argument for module device table
  mfd: lpc_ich: Add support for Intel Bay Trail SoC
  mfd: lpc_ich: Add support for NM10 GPIO
  mfd: lpc_ich: Change Avoton to iTCO v3
  watchdog: iTCO_wdt: Add support for v3 silicon
  mfd: lpc_ich: Add support for iTCO v3
  mfd: lpc_ich: Remove lpc_ich_cfg struct use
  mfd: lpc_ich: Only configure watchdog or GPIO when present
  ...
2014-04-07 10:24:18 -07:00
Linus Torvalds
3f583bc219 IOMMU Upates for Linux v3.15
This time a few more updates queued up.
 
 	* Rework VT-d code to support ACPI devices
 
 	* Improvements for memory and PCI hotplug support
 	  in the VT-d driver
 
 	* Device-tree support for OMAP IOMMU
 
 	* Convert OMAP IOMMU to use devm_* interfaces
 
 	* Fixed PASID support for AMD IOMMU
 
 	* Other random cleanups and fixes for OMAP, ARM-SMMU
 	  and SHMOBILE IOMMU
 
 Most of the changes are in the VT-d driver because some rework was
 necessary for better hotplug and ACPI device support.
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Merge tag 'iommu-updates-v3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull IOMMU upates from Joerg Roedel:
 "This time a few more updates queued up.

   - Rework VT-d code to support ACPI devices

   - Improvements for memory and PCI hotplug support in the VT-d driver

   - Device-tree support for OMAP IOMMU

   - Convert OMAP IOMMU to use devm_* interfaces

   - Fixed PASID support for AMD IOMMU

   - Other random cleanups and fixes for OMAP, ARM-SMMU and SHMOBILE
     IOMMU

  Most of the changes are in the VT-d driver because some rework was
  necessary for better hotplug and ACPI device support"

* tag 'iommu-updates-v3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (75 commits)
  iommu/vt-d: Fix error handling in ANDD processing
  iommu/vt-d: returning free pointer in get_domain_for_dev()
  iommu/vt-d: Only call dmar_acpi_dev_scope_init() if DRHD units present
  iommu/vt-d: Check for NULL pointer in dmar_acpi_dev_scope_init()
  iommu/amd: Fix logic to determine and checking max PASID
  iommu/vt-d: Include ACPI devices in iommu=pt
  iommu/vt-d: Finally enable translation for non-PCI devices
  iommu/vt-d: Remove to_pci_dev() in intel_map_page()
  iommu/vt-d: Remove pdev from intel_iommu_attach_device()
  iommu/vt-d: Remove pdev from iommu_no_mapping()
  iommu/vt-d: Make domain_add_dev_info() take struct device
  iommu/vt-d: Make domain_remove_one_dev_info() take struct device
  iommu/vt-d: Rename 'hwdev' variables to 'dev' now that that's the norm
  iommu/vt-d: Remove some pointless to_pci_dev() calls
  iommu/vt-d: Make get_valid_domain_for_dev() take struct device
  iommu/vt-d: Make iommu_should_identity_map() take struct device
  iommu/vt-d: Handle RMRRs for non-PCI devices
  iommu/vt-d: Make get_domain_for_dev() take struct device
  iommu/vt-d: Make domain_context_mapp{ed,ing}() take struct device
  iommu/vt-d: Make device_to_iommu() cope with non-PCI devices
  ...
2014-04-05 18:46:26 -07:00
Linus Torvalds
cbda94e039 ARM: SoC: driver changes
These changes are mostly for ARM specific device drivers that either
 don't have an upstream maintainer, or that had the maintainer ask
 us to pick up the changes to avoid conflicts. A large chunk of this
 are clock drivers (bcm281xx, exynos, versatile, shmobile), aside from
 that, reset controllers for STi as well as a large rework of the
 Marvell Orion/EBU watchdog driver are notable.
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Merge tag 'drivers-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver changes from Arnd Bergmann:
 "These changes are mostly for ARM specific device drivers that either
  don't have an upstream maintainer, or that had the maintainer ask us
  to pick up the changes to avoid conflicts.

  A large chunk of this are clock drivers (bcm281xx, exynos, versatile,
  shmobile), aside from that, reset controllers for STi as well as a
  large rework of the Marvell Orion/EBU watchdog driver are notable"

* tag 'drivers-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (99 commits)
  Revert "dts: socfpga: Add DTS entry for adding the stmmac glue layer for stmmac."
  Revert "net: stmmac: Add SOCFPGA glue driver"
  ARM: shmobile: r8a7791: Fix SCIFA3-5 clocks
  ARM: STi: Add reset controller support to mach-sti Kconfig
  drivers: reset: stih416: add softreset controller
  drivers: reset: stih415: add softreset controller
  drivers: reset: Reset controller driver for STiH416
  drivers: reset: Reset controller driver for STiH415
  drivers: reset: STi SoC system configuration reset controller support
  dts: socfpga: Add sysmgr node so the gmac can use to reference
  dts: socfpga: Add support for SD/MMC on the SOCFPGA platform
  reset: Add optional resets and stubs
  ARM: shmobile: r7s72100: fix bus clock calculation
  Power: Reset: Generalize qnap-poweroff to work on Synology devices.
  dts: socfpga: Update clock entry to support multiple parents
  ARM: socfpga: Update socfpga_defconfig
  dts: socfpga: Add DTS entry for adding the stmmac glue layer for stmmac.
  net: stmmac: Add SOCFPGA glue driver
  watchdog: orion_wdt: Use %pa to print 'phys_addr_t'
  drivers: cci: Export CCI PMU revision
  ...
2014-04-05 15:37:40 -07:00
Linus Torvalds
f83ccb9358 ARM: SoC: device tree changes
A large part of the arm-soc patches are nowadays DT changes, adding support
 for new SoCs, boards and devices without changing kernel source. The plan
 is still to move the devicetree files out of the kernel tree and reduce
 the amount of churn going on here, but we keep finding reasons to delay
 doing that.
 
 Changes are really all over the place, with little sticking out particularly.
 We have contributions from a total of 116 people in this branch.
 
 Unfortunately, the size of this branch also causes a significant number
 of conflicts at the moment, typically when subsystem maintainers merge
 patches that change the driver at the same time as the dts files. In
 most cases this could be avoided because the dts changes are supposed
 to be compatible in both ways, and we are asking everyone to send ARM
 dts changes through our tree only.
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Merge tag 'dt-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC device tree changes from Arnd Bergmann:
 "A large part of the arm-soc patches are nowadays DT changes, adding
  support for new SoCs, boards and devices without changing kernel
  source.  The plan is still to move the devicetree files out of the
  kernel tree and reduce the amount of churn going on here, but we keep
  finding reasons to delay doing that.

  Changes are really all over the place, with little sticking out
  particularly.  We have contributions from a total of 116 people in
  this branch.

  Unfortunately, the size of this branch also causes a significant
  number of conflicts at the moment, typically when subsystem
  maintainers merge patches that change the driver at the same time as
  the dts files.  In most cases this could be avoided because the dts
  changes are supposed to be compatible in both ways, and we are asking
  everyone to send ARM dts changes through our tree only"

* tag 'dt-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (541 commits)
  dts: stmmac: Document the clocks property in the stmmac base document
  dts: socfpga: Add DTS entry for adding the stmmac glue layer for stmmac.
  ARM: STi: stih41x: Add support for the FSM Serial Flash Controller
  ARM: STi: stih416: Add support for the FSM Serial Flash Controller
  ARM: tegra: fix Dalmore pinctrl configuration
  ARM: dts: keystone: use common "ti,keystone" compatible instead of -evm
  ARM: dts: k2hk-evm: set ubifs partition size for 512M NAND
  ARM: dts: Build all keystone dt blobs
  ARM: dts: keystone: Fix control register range for clktsip
  ARM: dts: keystone: Fix domain register range for clkfftc1
  ARM: dts: bcm28155-ap: leave camldo1 on to fix reboot
  ARM: dts: add bcm590xx pmu support and enable for bcm28155-ap
  ARM: dts: bcm21664: Add device tree files.
  ARM: DT: bcm21664: Device tree bindings
  ARM: efm32: properly namespace i2c location property
  ARM: efm32: fix unit address part in USART2 device nodes' names
  ARM: mvebu: Enable NAND controller in Armada 385-DB
  ARM: mvebu: Add support for NAND controller in Armada 38x SoC
  ARM: mvebu: Add the Core Divider clock to Armada 38x SoCs
  ARM: mvebu: Add a 2 GHz fixed-clock on Armada 38x SoCs
  ...
2014-04-05 15:29:04 -07:00
Linus Torvalds
ff050ad12c ARM: SoC specific changes
Lots of changes specific to one of the SoC families. Some that
 stick out are:
 
 * mach-qcom gains new features, most importantly SMP support for
   the newer chips (Stephen Boyd, Rohit Vaswani)
 * mvebu gains support for three new SoCs: Armada 375, 380 and 385
   (Thomas Petazzoni and Free-electrons team)
 * SMP support for Rockchips (Heiko Stübner)
 * Lots of i.MX changes (Shawn Guo)
 * Added support for BCM5301x SoC (Hauke Mehrtens)
 * Multiplatform support for Marvell Kirkwood and Dove
   (Andrew Lunn and Sebastian Hesselbarth doing the final part
   of a long journey)
 * Unify davinci platforms and remove obsolete ones (Sekhar Nori,
   Arnd Bergmann)
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Merge tag 'soc-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC specific changes from Arnd Bergmann:
 "Lots of changes specific to one of the SoC families.  Some that stick
  out are:

   - mach-qcom gains new features, most importantly SMP support for the
     newer chips (Stephen Boyd, Rohit Vaswani)
   - mvebu gains support for three new SoCs: Armada 375, 380 and 385
     (Thomas Petazzoni and Free-electrons team)
   - SMP support for Rockchips (Heiko Stübner)
   - Lots of i.MX changes (Shawn Guo)
   - Added support for BCM5301x SoC (Hauke Mehrtens)
   - Multiplatform support for Marvell Kirkwood and Dove (Andrew Lunn
     and Sebastian Hesselbarth doing the final part of a long journey)
   - Unify davinci platforms and remove obsolete ones (Sekhar Nori, Arnd
     Bergmann)"

* tag 'soc-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (126 commits)
  ARM: sunxi: Select HAVE_ARM_ARCH_TIMER
  ARM: cache-tauros2: remove ARMv6 code
  ARM: mvebu: don't select CONFIG_NEON
  ARM: davinci: fix DT booting with default defconfig
  ARM: configs: bcm_defconfig: enable bcm590xx regulator support
  ARM: davinci: remove tnetv107x support
  MAINTAINERS: Update ARM STi maintainers
  ARM: restrict BCM_KONA_UART to ARCH_BCM_MOBILE
  ARM: bcm21664: Add board support.
  ARM: sunxi: Add the new watchog compatibles to the reboot code
  ARM: enable ARM_HAS_SG_CHAIN for multiplatform
  ARM: davinci: remove da8xx_omapl_defconfig
  ARM: davinci: da8xx: fix multiple watchdog device registration
  ARM: davinci: add da8xx specific configs to davinci_all_defconfig
  ARM: davinci: enable da8xx build concurrently with older devices
  ARM: BCM5301X: workaround suppress fault
  ARM: BCM5301X: add early debugging support
  ARM: BCM5301X: initial support for the BCM5301X/BCM470X SoCs with ARM CPU
  ARM: mach-bcm: Remove GENERIC_TIME
  ARM: shmobile: APMU: Fix warnings due to improper printk formats
  ...
2014-04-05 14:19:54 -07:00
Linus Torvalds
dfc25e4503 ARM: SoC: cleanups for 3.15
These cleanup patches are mainly move stuff around and should all
 be harmless. They are mainly split out so that other branches can
 be based on top to avoid conflicts.
 
 Notable changes are:
 
 * We finally remove all mach/timex.h, after CLOCK_TICK_RATE is no
   longer used. (Uwe Kleine-König)
 * The Qualcomm MSM platform is split out into legacy mach-msm and
   new-style mach-qcom, to allow easier maintainance of the new
   hardware support without regressions. (Kumar Gala)
 * A rework of some of the Kconfig logic to simplify multiplatform
   support (Rob Herring)
 * Samsung Exynos gets closer to supporting multiplatform (Sachin
   Kamat and others)
 * mach-bcm3528 gets merged into mach-bcm (Stephen Warren)
 * at91 gains some common clock framework support (Alexandre Belloni,
   Jean-Jacques Hiblot and other French people).
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Merge tag 'cleanup-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC cleanups from Arnd Bergmann:
 "These cleanup patches are mainly move stuff around and should all be
  harmless.  They are mainly split out so that other branches can be
  based on top to avoid conflicts.

  Notable changes are:

   - We finally remove all mach/timex.h, after CLOCK_TICK_RATE is no
     longer used (Uwe Kleine-König)
   - The Qualcomm MSM platform is split out into legacy mach-msm and
     new-style mach-qcom, to allow easier maintainance of the new
     hardware support without regressions (Kumar Gala)
   - A rework of some of the Kconfig logic to simplify multiplatform
     support (Rob Herring)
   - Samsung Exynos gets closer to supporting multiplatform (Sachin
     Kamat and others)
   - mach-bcm3528 gets merged into mach-bcm (Stephen Warren)
   - at91 gains some common clock framework support (Alexandre Belloni,
     Jean-Jacques Hiblot and other French people)"

* tag 'cleanup-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (89 commits)
  ARM: hisi: select HAVE_ARM_SCU only for SMP
  ARM: efm32: allow uncompress debug output
  ARM: prima2: build reset code standalone
  ARM: at91: add PWM clock
  ARM: at91: move sam9261 SoC to common clk
  ARM: at91: prepare common clk transition for sam9261 SoC
  ARM: at91: updated the at91_dt_defconfig with support for the ADS7846
  ARM: at91: dt: sam9261: Device Tree support for the at91sam9261ek
  ARM: at91: dt: defconfig: Added the sam9261 to the list of DT-enabled SOCs
  ARM: at91: dt: Add at91sam9261 dt SoC support
  ARM: at91: switch sam9rl to common clock framework
  ARM: at91/dt: define main clk frequency of at91sam9rlek
  ARM: at91/dt: define at91sam9rl clocks
  ARM: at91: prepare common clk transition for sam9rl SoCs
  ARM: at91: prepare sam9 dt boards transition to common clk
  ARM: at91: dt: sam9rl: Device Tree for the at91sam9rlek
  ARM: at91/defconfig: Add the sam9rl to the list of DT-enabled SOCs
  ARM: at91: Add at91sam9rl DT SoC support
  ARM: at91: prepare at91sam9rl DT transition
  ARM: at91/defconfig: refresh at91sam9260_9g20_defconfig
  ...
2014-04-05 13:51:19 -07:00
Linus Torvalds
9f800363bb ARM: SoC non-critical bug fixes for 3.15
Lots of isolated bug fixes that were not found to be important
 enough to be submitted before the merge window or backported
 into stable kernels.
 The vast majority of these came out of Arnd's randconfig testing
 and just prevents running into build-time bugs in configurations
 that we do not care about in practice.
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Merge tag 'fixes-non-critical-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC non-critical bug fixes from Arnd Bergmann:
 "Lots of isolated bug fixes that were not found to be important enough
  to be submitted before the merge window or backported into stable
  kernels.

  The vast majority of these came out of Arnd's randconfig testing and
  just prevents running into build-time bugs in configurations that we
  do not care about in practice"

* tag 'fixes-non-critical-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (75 commits)
  ARM: at91: fix a typo
  ARM: moxart: fix CPU selection
  ARM: tegra: fix board DT pinmux setup
  ARM: nspire: Fix compiler warning
  IXP4xx: Fix DMA masks.
  Revert "ARM: ixp4xx: Make dma_set_coherent_mask common, correct implementation"
  IXP4xx: Fix Goramo Multilink GPIO conversion.
  Revert "ARM: ixp4xx: fix gpio rework"
  ARM: tegra: make debug_ll code build for ARMv6
  ARM: sunxi: fix build for THUMB2_KERNEL
  ARM: exynos: add missing include of linux/module.h
  ARM: exynos: fix l2x0 saved regs handling
  ARM: samsung: select CRC32 for SAMSUNG_PM_CHECK
  ARM: samsung: select ATAGS where necessary
  ARM: samsung: fix SAMSUNG_PM_DEBUG Kconfig logic
  ARM: samsung: allow serial driver to be disabled
  ARM: s5pv210: enable IDE support in MACH_TORBRECK
  ARM: s5p64x0: fix building with only one soc type
  ARM: s3c64xx: select power domains only when used
  ARM: s3c64xx: MACH_SMDK6400 needs HSMMC1
  ...
2014-04-05 13:44:27 -07:00
Linus Torvalds
2d1eb87ae1 Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm
Pull ARM changes from Russell King:

 - Perf updates from Will Deacon:
   - Support for Qualcomm Krait processors (run perf on your phone!)
   - Support for Cortex-A12 (run perf stat on your FPGA!)
   - Support for perf_sample_event_took, allowing us to automatically decrease
     the sample rate if we can't handle the PMU interrupts quickly enough
     (run perf record on your FPGA!).

 - Basic uprobes support from David Long:
     This patch series adds basic uprobes support to ARM. It is based on
     patches developed earlier by Rabin Vincent. That approach of adding
     hooks into the kprobes instruction parsing code was not well received.
     This approach separates the ARM instruction parsing code in kprobes out
     into a separate set of functions which can be used by both kprobes and
     uprobes. Both kprobes and uprobes then provide their own semantic action
     tables to process the results of the parsing.

 - ARMv7M (microcontroller) updates from Uwe Kleine-König

 - OMAP DMA updates (recently added Vinod's Ack even though they've been
   sitting in linux-next for a few months) to reduce the reliance of
   omap-dma on the code in arch/arm.

 - SA11x0 changes from Dmitry Eremin-Solenikov and Alexander Shiyan

 - Support for Cortex-A12 CPU

 - Align support for ARMv6 with ARMv7 so they can cooperate better in a
   single zImage.

 - Addition of first AT_HWCAP2 feature bits for ARMv8 crypto support.

 - Removal of IRQ_DISABLED from various ARM files

 - Improved efficiency of virt_to_page() for single zImage

 - Patch from Ulf Hansson to permit runtime PM callbacks to be available for
   AMBA devices for suspend/resume as well.

 - Finally kill asm/system.h on ARM.

* 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: (89 commits)
  dmaengine: omap-dma: more consolidation of CCR register setup
  dmaengine: omap-dma: move IRQ handling to omap-dma
  dmaengine: omap-dma: move register read/writes into omap-dma.c
  ARM: omap: dma: get rid of 'p' allocation and clean up
  ARM: omap: move dma channel allocation into plat-omap code
  ARM: omap: dma: get rid of errata global
  ARM: omap: clean up DMA register accesses
  ARM: omap: remove almost-const variables
  ARM: omap: remove references to disable_irq_lch
  dmaengine: omap-dma: cleanup errata 3.3 handling
  dmaengine: omap-dma: provide register read/write functions
  dmaengine: omap-dma: use cached CCR value when enabling DMA
  dmaengine: omap-dma: move barrier to omap_dma_start_desc()
  dmaengine: omap-dma: move clnk_ctrl setting to preparation functions
  dmaengine: omap-dma: improve efficiency loading C.SA/C.EI/C.FI registers
  dmaengine: omap-dma: consolidate clearing channel status register
  dmaengine: omap-dma: move CCR buffering disable errata out of the fast path
  dmaengine: omap-dma: provide register definitions
  dmaengine: omap-dma: consolidate setup of CCR
  dmaengine: omap-dma: consolidate setup of CSDP
  ...
2014-04-05 13:20:43 -07:00
Linus Torvalds
8e0c083234 fbdev changes for 3.15 (main part)
Various fbdev fixes and improvements, but nothing big.
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Merge tag 'fbdev-main-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux

Pull fbdev changes from Tomi Valkeinen:
 "Various fbdev fixes and improvements, but nothing big"

* tag 'fbdev-main-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (38 commits)
  fbdev: Make the switch from generic to native driver less alarming
  Video: atmel: avoid the id of fix screen info is overwritten
  video: imxfb: Add DT default contrast control register property.
  video: atmel_lcdfb: ensure the hardware is initialized with the correct mode
  fbdev: vesafb: add dev->remove() callback
  fbdev: efifb: add dev->remove() callback
  video: pxa3xx-gcu: switch to devres functions
  video: pxa3xx-gcu: provide an empty .open call
  video: pxa3xx-gcu: pass around struct device *
  video: pxa3xx-gcu: rename some symbols
  sisfb: fix 1280x720 resolution support
  video: fbdev: uvesafb: Remove impossible code path in uvesafb_init_info
  video: fbdev: uvesafb: Remove redundant NULL check in uvesafb_remove
  fbdev: FB_OPENCORES should depend on HAS_DMA
  OMAPDSS: convert pixel clock to common videomode style
  OMAPDSS: Remove unused get_context_loss_count support
  OMAPDSS: use DISPC register to detect context loss
  video: da8xx-fb: Use "SIMPLE_DEV_PM_OPS" macro
  video: imxfb: Convert to SIMPLE_DEV_PM_OPS
  video: imxfb: Resolve mismatch between backlight/contrast
  ...
2014-04-04 21:28:36 -07:00
Linus Torvalds
3c83e61e67 Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
 "The main set of series of patches for media subsystem, including:
   - document RC sysfs class
   - added an API to setup scancode to allow waking up systems using the
     Remote Controller
   - add API for SDR devices.  Drivers are still on staging
   - some API improvements for getting EDID data from media
     inputs/outputs
   - new DVB frontend driver for drx-j (ATSC)
   - one driver (it913x/it9137) got removed, in favor of an improvement
     on another driver (af9035)
   - added a skeleton V4L2 PCI driver at documentation
   - added a dual flash driver (lm3646)
   - added a new IR driver (img-ir)
   - added an IR scancode decoder for the Sharp protocol
   - some improvements at the usbtv driver, to allow its core to be
     reused.
   - added a new SDR driver (rtl2832u_sdr)
   - added a new tuner driver (msi001)
   - several improvements at em28xx driver to fix PM support, device
     removal and to split the V4L2 specific bits into a separate
     sub-driver
   - one driver got converted to videobuf2 (s2255drv)
   - the e4000 tuner driver now follows an improved binding model
   - some fixes at V4L2 compat32 code
   - several fixes and enhancements at videobuf2 code
   - some cleanups at V4L2 API documentation
   - usual driver enhancements, new board additions and misc fixups"

[ NOTE! This merge effective drops commit 4329b93b28 ("of: Reduce
  indentation in of_graph_get_next_endpoint").

  The of_graph_get_next_endpoint() function was moved and renamed by
  commit fd9fdb78a9 ("[media] of: move graph helpers from
  drivers/media/v4l2-core to drivers/of").  It was originally called
  v4l2_of_get_next_endpoint() and lived in the file
  drivers/media/v4l2-core/v4l2-of.c.

  In that original location, it was then fixed to support empty port
  nodes by commit b9db140c1e ("[media] v4l: of: Support empty port
  nodes"), and that commit clashes badly with the dropped "Reduce
  intendation" commit.  I had to choose one or the other, and decided
  that the "Support empty port nodes" commit was more important ]

* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (426 commits)
  [media] em28xx-dvb: fix PCTV 461e tuner I2C binding
  Revert "[media] em28xx-dvb: fix PCTV 461e tuner I2C binding"
  [media] em28xx: fix PCTV 290e LNA oops
  [media] em28xx-dvb: fix PCTV 461e tuner I2C binding
  [media] m88ds3103: fix bug on .set_tone()
  [media] saa7134: fix WARN_ON during resume
  [media] v4l2-dv-timings: add module name, description, license
  [media] videodev2.h: add parenthesis around macro arguments
  [media] saa6752hs: depends on CRC32
  [media] si4713: fix Kconfig dependencies
  [media] Sensoray 2255 uses videobuf2
  [media] adv7180: free an interrupt on failure paths in init_device()
  [media] e4000: make VIDEO_V4L2 dependency optional
  [media] af9033: Don't export functions for the hardware filter
  [media] af9035: use af9033 PID filters
  [media] af9033: implement PID filter
  [media] rtl2832_sdr: do not use dynamic stack allocation
  [media] e4000: fix 32-bit build error
  [media] em28xx-audio: make sure audio is unmuted on open()
  [media] DocBook media: v4l2_format_sdr was renamed to v4l2_sdr_format
  ...
2014-04-04 09:50:07 -07:00
Tomi Valkeinen
b4f889208f ARM: OMAP2+: remove pdata quirks for displays
Remove pdata quirks for the displays on boards that are now supported
properly with DT.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2014-04-04 09:55:18 +03:00
Russell King
bce5669be3 Merge branch 'devel-stable' into for-next 2014-04-04 00:33:49 +01:00
Russell King
95959e6a06 Merge branches 'amba', 'fixes', 'misc', 'mmci', 'unstable/omap-dma' and 'unstable/sa11x0' into for-next 2014-04-04 00:33:32 +01:00
Russell King
596c471b69 dmaengine: omap-dma: move register read/writes into omap-dma.c
Export the DMA register information from the SoC specific data, such
that we can access the registers directly in omap-dma.c, mapping the
register region ourselves as well.

Rather than calculating the DMA channel register in its entirety for
each access, we pre-calculate an offset base address for the allocated
DMA channel and then just use the appropriate register offset.

Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-04-04 00:31:49 +01:00
Russell King
34a378fcb9 ARM: omap: dma: get rid of 'p' allocation and clean up
The omap_system_dma_plat_info structure is only seven words, it's not
worth the expense of kmalloc()'ing backing store for this only to
release it later.  Note that platform_device_add_data() copies the
data anyway.  Clean up the initialisation of this structure - we don't
even need code to initialise most of this structure.

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-04-04 00:31:47 +01:00
Russell King
9834f81314 ARM: omap: move dma channel allocation into plat-omap code
This really needs to be there, because otherwise the plat-omap code can
kfree() this data structure, and then re-use the pointer later.

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-04-04 00:31:46 +01:00
Russell King
0ef64986d6 ARM: omap: dma: get rid of errata global
There's no need for this to be a global variable; move it into the
errata configuration function instead.

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-04-04 00:31:45 +01:00
Russell King
64a2dc3d3d ARM: omap: clean up DMA register accesses
We can do much better with this by using a structure to describe each
register, rather than code.

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-04-04 00:31:44 +01:00
Russell King
ad0c381a8b ARM: omap: remove almost-const variables
dma_stride and dma_common_ch_start are only ever initialised to one
known value at initialisation, and are private to each of these files.
There's no point these being variables at all.

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-04-04 00:31:43 +01:00
Russell King
e38b1485fd ARM: omap: remove references to disable_irq_lch
The disable_irq_lch method is never actually used, so there's not much
point it existing; remove it.

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-04-04 00:31:41 +01:00
Linus Torvalds
cd6362befe Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller:
 "Here is my initial pull request for the networking subsystem during
  this merge window:

   1) Support for ESN in AH (RFC 4302) from Fan Du.

   2) Add full kernel doc for ethtool command structures, from Ben
      Hutchings.

   3) Add BCM7xxx PHY driver, from Florian Fainelli.

   4) Export computed TCP rate information in netlink socket dumps, from
      Eric Dumazet.

   5) Allow IPSEC SA to be dumped partially using a filter, from Nicolas
      Dichtel.

   6) Convert many drivers to pci_enable_msix_range(), from Alexander
      Gordeev.

   7) Record SKB timestamps more efficiently, from Eric Dumazet.

   8) Switch to microsecond resolution for TCP round trip times, also
      from Eric Dumazet.

   9) Clean up and fix 6lowpan fragmentation handling by making use of
      the existing inet_frag api for it's implementation.

  10) Add TX grant mapping to xen-netback driver, from Zoltan Kiss.

  11) Auto size SKB lengths when composing netlink messages based upon
      past message sizes used, from Eric Dumazet.

  12) qdisc dumps can take a long time, add a cond_resched(), From Eric
      Dumazet.

  13) Sanitize netpoll core and drivers wrt.  SKB handling semantics.
      Get rid of never-used-in-tree netpoll RX handling.  From Eric W
      Biederman.

  14) Support inter-address-family and namespace changing in VTI tunnel
      driver(s).  From Steffen Klassert.

  15) Add Altera TSE driver, from Vince Bridgers.

  16) Optimizing csum_replace2() so that it doesn't adjust the checksum
      by checksumming the entire header, from Eric Dumazet.

  17) Expand BPF internal implementation for faster interpreting, more
      direct translations into JIT'd code, and much cleaner uses of BPF
      filtering in non-socket ocntexts.  From Daniel Borkmann and Alexei
      Starovoitov"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1976 commits)
  netpoll: Use skb_irq_freeable to make zap_completion_queue safe.
  net: Add a test to see if a skb is freeable in irq context
  qlcnic: Fix build failure due to undefined reference to `vxlan_get_rx_port'
  net: ptp: move PTP classifier in its own file
  net: sxgbe: make "core_ops" static
  net: sxgbe: fix logical vs bitwise operation
  net: sxgbe: sxgbe_mdio_register() frees the bus
  Call efx_set_channels() before efx->type->dimension_resources()
  xen-netback: disable rogue vif in kthread context
  net/mlx4: Set proper build dependancy with vxlan
  be2net: fix build dependency on VxLAN
  mac802154: make csma/cca parameters per-wpan
  mac802154: allow only one WPAN to be up at any given time
  net: filter: minor: fix kdoc in __sk_run_filter
  netlink: don't compare the nul-termination in nla_strcmp
  can: c_can: Avoid led toggling for every packet.
  can: c_can: Simplify TX interrupt cleanup
  can: c_can: Store dlc private
  can: c_can: Reduce register access
  can: c_can: Make the code readable
  ...
2014-04-02 20:53:45 -07:00
Linus Torvalds
b9f2b21a32 Devicetree changes for v3.15
Updates to devicetree core code. This branch contains the following notable changes:
 * Add reserved memory binding
 * Make struct device_node a kobject and remove legacy /proc/device-tree
 * ePAPR conformance fixes
 * Update in-kernel DTC copy to version v1.4.0
 * Preparation changes for dynamic device tree overlays
 * minor bug fixes and documentation changes
 
 The most significant change in this branch is the conversion of struct
 device_node to be a kobject that is exposed via sysfs and removal of the
 old /proc/device-tree code. This simplifies the device tree handling
 code and tightens up the lifecycle on device tree nodes.
 
 [updated: added fix for dangling select PROC_DEVICETREE]
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Merge tag 'dt-for-linus' of git://git.secretlab.ca/git/linux

Pull devicetree changes from Grant Likely:
 "Updates to devicetree core code.  This branch contains the following
  notable changes:

   - add reserved memory binding
   - make struct device_node a kobject and remove legacy
     /proc/device-tree
   - ePAPR conformance fixes
   - update in-kernel DTC copy to version v1.4.0
   - preparatory changes for dynamic device tree overlays
   - minor bug fixes and documentation changes

  The most significant change in this branch is the conversion of struct
  device_node to be a kobject that is exposed via sysfs and removal of
  the old /proc/device-tree code.  This simplifies the device tree
  handling code and tightens up the lifecycle on device tree nodes.

  [updated: added fix for dangling select PROC_DEVICETREE]"

* tag 'dt-for-linus' of git://git.secretlab.ca/git/linux: (29 commits)
  dt: Remove dangling "select PROC_DEVICETREE"
  of: Add support for ePAPR "stdout-path" property
  of: device_node kobject lifecycle fixes
  of: only scan for reserved mem when fdt present
  powerpc: add support for reserved memory defined by device tree
  arm64: add support for reserved memory defined by device tree
  of: add missing major vendors
  of: add vendor prefix for SMSC
  of: remove /proc/device-tree
  of/selftest: Add self tests for manipulation of properties
  of: Make device nodes kobjects so they show up in sysfs
  arm: add support for reserved memory defined by device tree
  drivers: of: add support for custom reserved memory drivers
  drivers: of: add initialization code for dynamic reserved memory
  drivers: of: add initialization code for static reserved memory
  of: document bindings for reserved-memory nodes
  Revert "of: fix of_update_property()"
  kbuild: dtbs_install: new make target
  ARM: mvebu: Allows to get the SoC ID even without PCI enabled
  of: Allows to use the PCI translator without the PCI core
  ...
2014-04-02 14:27:15 -07:00
Joerg Roedel
e172b81222 Merge branches 'iommu/fixes', 'arm/smmu', 'x86/amd', 'arm/omap', 'arm/shmobile' and 'x86/vt-d' into next 2014-04-02 19:13:12 +02:00
Grant Likely
a0e7398357 dt: Remove dangling "select PROC_DEVICETREE"
CONFIG_PROC_DEVICETREE has been removed from the tree. This commit
removes a dangling select of the config symbol.

Signed-off-by: Grant Likely <grant.likely@linaro.org>
Cc: Paul Bolle <pebolle@tiscali.nl>
Cc: Rob Herring <rob.herring@linaro.org>
2014-04-01 21:33:35 +01:00
Tomi Valkeinen
703cc5df19 Merge branch '3.15/dss-dt-dts' into 3.15/fbdev
OMAP DSS related .dts changes
2014-03-20 08:18:27 +02:00
Tomi Valkeinen
17d5ca91cf Merge branch '3.15/dss-dt' into 3.15/fbdev
Merge OMAP DSS DT support
2014-03-20 08:13:50 +02:00
Tomi Valkeinen
6a0e6b3872 ARM: OMAP2+: DT 'compatible' tweak for displays
As there is no common panel framework in the kernel, we have OMAP
specific panel drivers. However, the DT data should be generic. This
brings the issue that some other platform could use the same panels, and
would need to create a driver with the same 'compatible' string as the
OMAP driver.

In the long run, we have to get a common panel framework. For the time
being, this patch solves the issue:

At early boot time, we go through the DT nodes looking for the panels
the kernel supports for OMAP. For each found node, the 'compatible'
string is prepended with "omapdss,", i.e. "sony,acx565akm" becomes
"omapdss,sony,acx565akm". The OMAP display drivers all have "omapdss,"
at the beginning of their compatible field.

This allows us to have generic DT data, but OMAP specific display
drivers.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2014-03-19 11:02:46 +02:00
Tomi Valkeinen
dcdf407b9d ARM: OMAP2+: add omapdss_init_of()
The OMAP display architecture requires a bunch of platform devices which
are not created via .dts (for now). We also need to pass a few function
pointers and the DSS hardware version from the arch code to omapdss
driver.

This patch adds omapdss_init_of() function, called from board-generic at
init time, which handles those tasks.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2014-03-19 10:52:23 +02:00
Arnd Bergmann
a65b5f4ccd Merge branch 'cleanup/kconfig' into next/drivers
This resolves a conflict between the new sti reset
controller driver and the Kconfig cleanup.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-03-18 16:25:47 +01:00
Arnd Bergmann
38edc2da50 Updates to the .dts files to support more Gumstix boards.
These are sent separately from the rest of the .dts changes
 as these depend on the fixes merged into v3.14-rc4, and
 needed a bit more time to get updated on the fixes.
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Merge tag 'omap-for-v3.15/dt-overo-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/dt

Updates to the .dts files to support more Gumstix boards.

These are sent separately from the rest of the .dts changes
as these depend on the fixes merged into v3.14-rc4, and
needed a bit more time to get updated on the fixes.

* tag 'omap-for-v3.15/dt-overo-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: dts: Add support for the Overo Summit
  ARM: dts: Add support for the Overo Chestnut43
  ARM: dts: Add support for the Overo Alto35
  ARM: dts: Add support for the Overo Gallop43
  ARM: dts: Add support for the Overo Palo43
  ARM: dts: overo: Add LIS33DE accelerometer
  ARM: dts: overo: Create a file for common Gumstix peripherals
  ARM: dts: overo: Push uart3 pinmux down to expansion board
  ARM: dts: omap3-tobi: Add AT24C01 EEPROM
  ARM: dts: omap3-tobi: Use include file omap-gpmc-smsc9221
  ARM: dts: omap: Add common file for SMSC9221
  ARM: dts: omap3-overo: Add HSUSB PHY
  ARM: dts: omap3-overo: Enable WiFi/BT combo
  ARM: dts: omap3-overo: Add missing pinctrl
  ARM: dts: omap3-tobi: Add missing pinctrl
  ARM: dts: overo: reorganize include files

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Conflicts:
	arch/arm/boot/dts/omap3-overo.dtsi
2014-03-17 15:17:07 +01:00
Arnd Bergmann
937b5991ca Device tree related changes to the omap iommu driver as that
is finally getting updated. Also few trivial board related
 .dts updates to add more devices.
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Merge tag 'omap-for-v3.15/dt-part3' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/dt

Pull "omap device tree changes for v3.15, part 3" from Tony Lindgren:

Device tree related changes to the omap iommu driver as that
is finally getting updated. Also few trivial board related
.dts updates to add more devices.

* tag 'omap-for-v3.15/dt-part3' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: dts: Add MMC2/SDIO/WLAN support for cm-t3530
  ARM: dts: am335x-evmsk: enable DMA controller for USB
  ARM: dts: OMAP5: Add IOMMU nodes
  ARM: dts: OMAP4: Add IOMMU nodes
  ARM: dts: OMAP3: Add IVA IOMMU node
  ARM: dts: OMAP3: Update ISP IOMMU node
  ARM: OMAP2+: extend iommu pdata-quirks to OMAP5
  ARM: OMAP5: hwmod data: add mmu data for ipu & dsp
  ARM: OMAP2+: use pdata quirks for iommu reset lines
  ARM: OMAP2+: change the ISP device archdata MMU name for DT
  ARM: OMAP3: fix iva mmu programming issues
  ARM: OMAP3: remove deprecated CONFIG_OMAP_IOMMU_IVA2

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-03-17 15:11:10 +01:00
Arnd Bergmann
8d445234dc Merge branch 'efm32/cleanup' into next/dt
Dependency for efm32/dt branch.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-03-17 10:14:20 +01:00
David S. Miller
85dcce7a73 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
	drivers/net/usb/r8152.c
	drivers/net/xen-netback/netback.c

Both the r8152 and netback conflicts were simple overlapping
changes.

Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-14 22:31:55 -04:00
Roger Quadros
775bb078e9 mfd: omap-usb-host: Use proper clock name instead of alias
Use the proper clock name 'usbhost_120m_fck' instead of the
alias 'ehci_logic_fck'

Get rid of the 'ehci_logic_fck' alias from the OMAP3 hwmod data
as well.

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-03-13 22:25:16 +00:00
Roger Quadros
3aca446acf mfd: omap-usb-host: Get clocks based on hardware revision
Not all revisions have all the clocks so get the necessary clocks
based on hardware revision.

This should avoid un-necessary clk_get failure messages that were
observed earlier.

Also remove the dummy USB host clocks from the OMAP3 clock data.
These are no longer expected by the driver.

Acked-by: Mike Turquette <mturquette@linaro.org> [OMAP3 CLK data]
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-03-13 22:23:51 +00:00
Suman Anna
77319669af ARM: OMAP4: hwmod data: correct the idlemodes for spinlock
The spinlock module's SYSCONFIG register does not support
smart wakeup, so remove this flag from the idle modes in
the spinlock hwmod definition.

Signed-off-by: Suman Anna <s-anna@ti.com>
Acked-by: Benoit Cousson <bcousson@baylibre.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-03-13 14:09:57 -07:00
Nishanth Menon
07484ca33e ARM: OMAP4: Fix definition of IS_PM44XX_ERRATUM
Just like IS_PM34XX_ERRATUM, IS_PM44XX_ERRATUM is valid only if
CONFIG_PM is enabled, else, disabling CONFIG_PM results in build
failure complaining about the following:
arch/arm/mach-omap2/built-in.o: In function `omap4_boot_secondary':
:(.text+0x8a70): undefined reference to `pm44xx_errata'

Fixes: c962184 (ARM: OMAP4: PM: add errata support)
Reported-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.ocm>
Acked-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-03-13 13:41:50 -07:00
Stefan Sørensen
698b485325 ARM: OMAP2+: INTC: Acknowledge stuck active interrupts
When an interrupt has become active on the INTC it will stay active
until it is acked, even if masked or de-asserted. The
INTC_PENDING_IRQn registers are however updated and since these are
used by omap_intc_handle_irq to determine which interrupt to handle,
it will never see the active interrupt. This will result in a storm of
useless interrupts that is only stopped when another higher priority
interrupt is asserted.

Fix by sending the INTC an acknowledge if we find no interrupts to
handle.

Cc: stable@vger.kernel.org
Signed-off-by: Stefan Sørensen <stefan.sorensen@spectralink.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-03-13 13:34:48 -07:00
John W. Linville
42775a34d2 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem
Conflicts:
	drivers/net/wireless/ath/ath9k/recv.c
2014-03-13 14:21:43 -04:00
Greg Kroah-Hartman
192c028b6a Merge 3.14-rc6 into usb-next
We want the USB fixes in here as well.
2014-03-12 11:40:15 -07:00
Suman Anna
67eb1e6e4a ARM: OMAP2+: extend iommu pdata-quirks to OMAP5
OMAP5 has the same iommus as OMAP4, so extend the OMAP4
iommu pdata quirks for OMAP5 as well.

Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-03-12 09:50:18 -07:00
Suman Anna
1528ed0400 ARM: OMAP5: hwmod data: add mmu data for ipu & dsp
A new MMU hwmod class and data structures are created
to represent the MMUs within the IPU and DSP processor
subsystems in OMAP5. The MMUs in OMAP5 are identical to
those in OMAP4.

Cc: Benoit Cousson <bcousson@baylibre.com>
Signed-off-by: Suman Anna <s-anna@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-03-12 09:49:47 -07:00
Suman Anna
910f1678bb ARM: OMAP2+: use pdata quirks for iommu reset lines
The OMAP iommu driver performs the reset management for the
iommu instances in processor sub-systems using the omap_device
API which are currently supplied as platform data ops. Use pdata
quirks to maintain the functionality as the OMAP iommu driver
gets converted to use DT nodes, until the reset portions are
decoupled from omap_hwmod/omap_device into a separate reset
driver.

This patch adds the pdata quirks for the reset management of
iommus within the DSP (OMAP3 & OMAP4) and IPU subsystems (OMAP4).

Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-03-12 09:49:29 -07:00
Suman Anna
0ac4f03f62 ARM: OMAP2+: change the ISP device archdata MMU name for DT
The IOMMU DT adaptation support uses the device name instead
of an iommu object name. Fixup the ISP device archdata MMU
name at runtime if using DT-boot. This allows the OMAP3 camera
to be functional in both legacy and DT boots. The iommu object
names should eventually vanish when all the IOMMU users have
been converted to DT nodes.

Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-03-12 09:49:03 -07:00
Suman Anna
200a274f35 ARM: OMAP3: fix iva mmu programming issues
The IVA MMU is not functional when used through the hwmod and
omap_device layers. Add fixes to clockdomain and hwmod data
to have it functional. The hwmod changes are needed to enable
the clock, and the SWSUP change is needed to wakeup the domain
because the power domain is programmed to be in RET, and there
is no automatic power domain switching to ON.

Signed-off-by: Suman Anna <s-anna@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-03-12 09:48:26 -07:00
Florian Vaussard
895a9613a1 ARM: OMAP3: remove deprecated CONFIG_OMAP_IOMMU_IVA2
CONFIG_OMAP_IOMMU_IVA2 was defined originally to avoid conflicting
usage by tidspbridge and other iommu users. The same can be achieved
by marking the DT node disabled, so remove this obsolete flag and
the corresponding hwmod data can be enabled.

Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Florian Vaussard <florian.vaussard@epfl.ch>
[s-anna@ti.com: revise commit log]
Signed-off-by: Suman Anna <s-anna@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-03-12 09:48:00 -07:00
Mauro Carvalho Chehab
c897df0e2d Linux 3.14-rc5
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Merge tag 'v3.14-rc5' into patchwork

Linux 3.14-rc5

* tag 'v3.14-rc5': (1117 commits)
  Linux 3.14-rc5
  drm/vmwgfx: avoid null pointer dereference at failure paths
  drm/vmwgfx: Make sure backing mobs are cleared when allocated. Update driver date.
  drm/vmwgfx: Remove some unused surface formats
  MAINTAINERS: add maintainer entry for Armada DRM driver
  arm64: Fix !CONFIG_SMP kernel build
  arm64: mm: Add double logical invert to pte accessors
  dm cache: fix truncation bug when mapping I/O to >2TB fast device
  perf tools: Fix strict alias issue for find_first_bit
  powerpc/powernv: Fix indirect XSCOM unmangling
  powerpc/powernv: Fix opal_xscom_{read,write} prototype
  powerpc/powernv: Refactor PHB diag-data dump
  powerpc/powernv: Dump PHB diag-data immediately
  powerpc: Increase stack redzone for 64-bit userspace to 512 bytes
  powerpc/ftrace: bugfix for test_24bit_addr
  powerpc/crashdump : Fix page frame number check in copy_oldmem_page
  powerpc/le: Ensure that the 'stop-self' RTAS token is handled correctly
  kvm, vmx: Really fix lazy FPU on nested guest
  perf tools: fix BFD detection on opensuse
  drm/radeon: enable speaker allocation setup on dce3.2
  ...
2014-03-11 06:55:49 -03:00
Olof Johansson
1760e4f855 i.MX SoC changes for 3.15:
- Support suspend from ocram (DDR IO floating) for imx6 platforms
  - Add cpuidle support for imx6sl
  - Sparse warning fixes for imx6sl and vf610 clock code
  - Remove PWM platform code
  - Support ptp and rmii clock from pad
  - Support WEIM CS GPR configuration
  - Random cleanups and defconfig updates
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Merge tag 'imx-soc-3.15' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/soc

i.MX SoC changes for 3.15 from Shawn Guo:
 - Support suspend from ocram (DDR IO floating) for imx6 platforms
 - Add cpuidle support for imx6sl
 - Sparse warning fixes for imx6sl and vf610 clock code
 - Remove PWM platform code
 - Support ptp and rmii clock from pad
 - Support WEIM CS GPR configuration
 - Random cleanups and defconfig updates

* tag 'imx-soc-3.15' of git://git.linaro.org/people/shawnguo/linux-2.6: (373 commits)
  ARM: imx6: drop .text.head section annotation from headsmp.S
  ARM: imx6: build suspend-imx6.o with CONFIG_SOC_IMX6
  ARM: imx6: rename pm-imx6q.c to pm-imx6.c
  ARM: imx6: introduce CONFIG_SOC_IMX6 for i.MX6 common stuff
  ARM: imx6: do not call imx6q_suspend_init() with !CONFIG_SUSPEND
  ARM: imx6: call suspend_set_ops() from suspend routine
  ARM: imx6: build headsmp.o only on CONFIG_SMP
  ARM: imx6: move v7_cpu_resume() into suspend-imx6.S
  ARM i.MX6q: Mark VPU and IPU AXI transfers as cacheable, increase IPU priority
  ARM: imx6q: Add GPR6 and GPR7 register definitions for iomuxc gpr
  bus: imx-weim: support CS GPR configuration
  ARM: mach-imx: Kconfig: Remove IMX_HAVE_PLATFORM_IMX2_WDT from SOC_IMX53
  ARM: imx_v6_v7_defconfig: Select CONFIG_DEBUG_FS
  ARM: mach-imx: Select CONFIG_SRAM at ARCH_MXC level
  ARM: imx: add speed grading check for i.mx6 soc
  ARM: imx: avoid calling clk APIs in idle thread which may cause schedule
  ARM: imx6q: support ptp and rmii clock from pad
  ARM: imx6q: remove unneeded clk lookups
  ARM: imx_v6_v7_defconfig: Select CONFIG_MMC_UNSAFE_RESUME
  ARM: imx_v4_v5_defconfig: Select CONFIG_MMC_UNSAFE_RESUME
  ...
2014-03-09 12:03:18 -07:00
Olof Johansson
63261d76c8 Add support for GIC crossbar that routes interrupts on newer omaps.
Looks like people wanted these merged via the omap tree as it's
 the only user for the GIC crossbar.
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Merge tag 'omap-for-v3.15/crossbar-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/drivers

Merge OMAP crossbar support from Tony Lindgren:

Add support for GIC crossbar that routes interrupts on newer omaps.

Looks like people wanted these merged via the omap tree as it's
the only user for the GIC crossbar.

* tag 'omap-for-v3.15/crossbar-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: DRA: Enable Crossbar IP support for DRA7XX
  ARM: OMAP4+: Correct Wakeup-gen code to use physical irq number
  DRIVERS: IRQCHIP: CROSSBAR: Add support for Crossbar IP
  DRIVERS: IRQCHIP: IRQ-GIC: Add support for routable irqs

Signed-off-by: Olof Johansson <olof@lixom.net>
2014-03-08 23:32:26 -08:00
Olof Johansson
1e871089f6 Power, reset and clock related changes via Paul Walmsley <paul@pwsan.com>:
Some low-level optimizations and fixes that don't belong in an -rc
 series for various OMAP-family chips, targeted for v3.15.
 
 Basic build, boot, and PM test logs are available here:
 
 http://www.pwsan.com/omap/testlogs/prcm-a-for-v3.15/20140228124518/
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Merge tag 'omap-for-v3.15/prcm-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc

Power, reset and clock related changes via Paul Walmsley <paul@pwsan.com>, via
Tony Lindgren:

Some low-level optimizations and fixes that don't belong in an -rc
series for various OMAP-family chips, targeted for v3.15.

Basic build, boot, and PM test logs are available here:

http://www.pwsan.com/omap/testlogs/prcm-a-for-v3.15/20140228124518/

* tag 'omap-for-v3.15/prcm-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP3+: DPLL: stop reparenting to same parent if already done
  ARM: OMAP2+: clock: fix rate prints
  ARM: AM43x: hwmod data: register spinlock OCP interface
  ARM: OMAP2+: clockdomain: Reintroduce SW_SLEEP Support
  ARM: OMAP2+: AM43xx: implement support for machine restart

Signed-off-by: Olof Johansson <olof@lixom.net>
2014-03-08 23:18:04 -08:00
Olof Johansson
f2f91bee92 Few SoC related improvments for omaps.
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Merge tag 'omap-for-v3.15/soc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc

OMAP SoC changes from Tony Lindgren:

Few SoC related improvments for omaps.

* tag 'omap-for-v3.15/soc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: remove OMAP_PACKAGE_ZAC and OMAP_PACKAGE_ZAF
  ARM: OMAP2+: AM43x: Use gptimer as clocksource
  ARM: OMAP2+: AM43x: determine features
  ARM: OMAP2+: AM43x: Add ID for ES1.1
  ARM: OMAP2+: AM43x: enable in default config

Signed-off-by: Olof Johansson <olof@lixom.net>
2014-03-08 23:02:00 -08:00
Shawn Guo
c1b2a174c3 - Remove common kconfig options required by multi-platform builds out
of individual platforms as they are redundant.
 - Make SMP, CACHE_L2X0 and GPIO config options user visible on
 multi-platform builds as most platforms enable these options and all
 platforms can run with them enabled.
 - Make multi-platform v6 default to more optimal v6k rather than v6
 - Remove the last bit of mach-virt and convert it to just a kconfig
 option.
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Merge tag 'kconfig-cleanup-for-3.15' into imx/soc

- Remove common kconfig options required by multi-platform builds out
of individual platforms as they are redundant.
- Make SMP, CACHE_L2X0 and GPIO config options user visible on
multi-platform builds as most platforms enable these options and all
platforms can run with them enabled.
- Make multi-platform v6 default to more optimal v6k rather than v6
- Remove the last bit of mach-virt and convert it to just a kconfig
option.

Conflicts:
	arch/arm/mach-omap2/Kconfig
2014-03-05 10:31:54 +08:00
Imre Kaloz
90f4f01ba5 ARM: OMAP2+: Use pdata quirks for wl12xx on the AM335x EV-MSK
Enable the WiLink6 connected to mmc2.

Signed-off-by: Imre Kaloz <kaloz@openwrt.org
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-03-04 10:46:33 -08:00
Roger Quadros
2ecf8aa112 ARM: OMAP2+: Remove legacy_init_ehci_clk()
The necessary clock phandle for the EHCI clock is now provided
via device tree so we no longer need this legacy method.

Update the omap4-panda and omap5-uevm board DTS to provide the
necessary EHCI PHY clock information.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-03-04 10:20:22 -08:00
Florian Vaussard
3c92748df9 iommu/omap: Add devicetree support
As OMAP2+ is moving to a full DT boot for all SoC families, commit
7ce93f3 "ARM: OMAP2+: Fix more missing data for omap3.dtsi file"
adds basic DT bits for OMAP3. But the driver is not yet converted,
so this will not work and driver will not be probed. Convert it!

The legacy boot mode is still supported until OMAP3 is converted
to DT-boot only.

Signed-off-by: Florian Vaussard <florian.vaussard@epfl.ch>
[s-anna@ti.com: dev_name adaptation and improved error checking]
Signed-off-by: Suman Anna <s-anna@ti.com>
[tony@atomide.com: Ack for arch/arm/*omap* parts]
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Joerg Roedel <joro@8bytes.org>
2014-03-04 17:01:57 +01:00
Tony Lindgren
f777ba1780 Add craneboard devices
Add more N900 devices
 Add am43x-epos-evm and am437x-gp-evm devices
 Add OMAP4 DMM devices
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Merge tag 'for_3.15/dts_signed' of git://git.kernel.org/pub/scm/linux/kernel/git/bcousson/linux-omap-dt into omap-for-v3.15/dt

Add craneboard devices
Add more N900 devices
Add am43x-epos-evm and am437x-gp-evm devices
Add OMAP4 DMM devices

Conflicts:
	arch/arm/boot/dts/am43x-epos-evm.dts
	arch/arm/boot/dts/dra7.dtsi
2014-03-02 14:22:03 -08:00
Pekon Gupta
0611c41934 ARM: OMAP2+: gpmc: update gpmc_hwecc_bch_capable() for new platforms and ECC schemes
This patch
 - refactors gpmc_hwecc_bch_capable()
 - add checks for new platforms like dra7xx, am43xx
 - add checks for OMAP3 SoC, w.r.t. new ECC schemes spawned in following commit:
    commit ac65caf514
    ARM: OMAP2+: cleaned-up DT support of various ECC schemes

Signed-off-by: Pekon Gupta <pekon@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-03-02 10:15:52 -08:00
Paul Bolle
9b91bd81fa ARM: OMAP2+: remove OMAP_PACKAGE_ZAC and OMAP_PACKAGE_ZAF
The Kconfig symbols OMAP_PACKAGE_ZAC and OMAP_PACKAGE_ZAF were added in
v2.6.36. They have never been used. Setting them has no effect. These
symbols can safely be removed.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
[tony@atomide.com: updated to remove also the related mux.h entries]
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-02-28 15:36:34 -08:00
Rajendra Nayak
5b5c013591 ARM: OMAP2+: AM43x: Use gptimer as clocksource
The SyncTimer in AM43x is clocked using the following two sources:
1) An inaccuarte 32k clock (CLK_32KHZ) derived from PER DPLL, causing system
   time to go slowly (~10% deviation).
2) external 32KHz RTC clock, which may not always be available on board like
   in the case of ePOS EVM

Use gptimer as clocksource instead, as is done in the case of AM335x
(which does not have a SyncTimer). With this, system time keeping works
accurately.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-02-28 15:33:27 -08:00
Afzal Mohammed
7a2e051324 ARM: OMAP2+: AM43x: determine features
Determine AM43x device features by reusing AM335x helper as feature
register layout is similar.
And also exporting AM43xx family name.

Signed-off-by: Afzal Mohammed <afzal@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-02-28 15:33:27 -08:00
Lokesh Vutla
4a2ed4c0a3 ARM: OMAP2+: AM43x: Add ID for ES1.1
Adding ID for AM437x ES1.1 silicon.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-02-28 15:33:26 -08:00
Dmitry Lifshitz
b62d91e5e1 ARM: OMAP2+: make reset pulse for sbc-t3x usb hubs
sbc-t3x boards features two external USB ports on SB-T35 baseboard.
The baseboardi USB hub reset signal should be de-asserted to make
those ports functional.

sbc-t3517 features additional (assembled on CoM) USB hub which also
requires reset signal handling.

Add quirks code to handle proper reset pulse signal.

Signed-off-by: Dmitry Lifshitz <lifshitz@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-02-28 14:09:14 -08:00
Dmitry Lifshitz
fb45105a83 ARM: dts: sbc-t3517: add support for sbc-t3517
Add support for CM-T3517 CoM and SBC-T3517 board.

reused common support for sbc-t3x boards
(omap3-cm-t3x.dtsi, omap3-sb-t35.dtsi):

* SB-T35 baseboard eth
* MMC1, UART3
* HS USB Port 1/2
* I2C1/3
* Heartbit led

Added basic support for:

* MMC1 wp/cd signals
* CM-T3517 Usb Hub
* WL12xx WiFi chip
* Davinci EMAC
* AM35X OTG

Signed-off-by: Dmitry Lifshitz <lifshitz@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-02-28 14:09:14 -08:00
Dmitry Lifshitz
40ecc02e57 ARM: dts: sbc-t3530: add support for sbc-t3530
Add support for CM-T3530 CoM and SBC-T3530 board.

Signed-off-by: Dmitry Lifshitz <lifshitz@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-02-28 14:09:13 -08:00
Dmitry Lifshitz
d234e42399 ARM: dts: sbc-t3x: refactor DT support
Refactor the sbc-t3x device tree as a preparation for additional
(sbc-t3530, sbc-t3517, etc.) boards support.

No functional changes.

The device tree will have the following structure:

omap3-cm-t3x.dtsi
 |
 |<-- omap3-cm-t3x30.dtsi
 |     |
 |     |
 |     |     -----                  -------          ------------
 |     |    | CoM |                | Board |        | Base board |
 |     |     -----                  -------          ------------
 |     |                                            omap3-sb-t35.dtsi
 |     |                                                  |
 |     |<-- omap3-cm-t3730.dts <-- omap3-sbc-t3730.dts -->|
 |     |                                                  |
 |     |<-- omap3-cm-t3530.dts <-- omap3-sbc-t3530.dts -->|
 |                                                        |
 |<-------- omap3-cm-t3517.dts <-- omap3-sbc-t3517.dts -->|

Signed-off-by: Dmitry Lifshitz <lifshitz@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-02-28 14:09:08 -08:00
Nishanth Menon
110e884d82 ARM: OMAP3+: DPLL: stop reparenting to same parent if already done
omap3_noncore_dpll_set_rate forces a reparent to the same clk_ref
for every call that takes place. This is an can be done only if a change
is detected.

Signed-off-by: Nishanth Menon <nm@ti.com>
Acked-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-02-28 12:43:47 -07:00
Tomi Valkeinen
0cc1d9446e ARM: OMAP2+: clock: fix rate prints
Printing with unsigned long rates with %ld gives wrong result if the
rate is high enough. Fix this by using %lu.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-02-28 12:43:46 -07:00
Suman Anna
64b61067de ARM: AM43x: hwmod data: register spinlock OCP interface
AM43xx has a spinlock module which is identical to the
one present on AM33xx. Register the spinlock ocp_if link
so that the spinlock hwmod and associated omap_device can
be instantiated, and the runtime pm API could be used by
the OMAP hwspinlock driver.

Cc: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-02-28 12:43:46 -07:00
Dave Gerlach
f67f04ba27 ARM: OMAP2+: clockdomain: Reintroduce SW_SLEEP Support
Since commit 65aa94b204 (ARM: OMAP4: clockdomain/CM code: Update supported
transition modes), on OMAP4, all CLKDMs support HW_AUTO so this is used
instead of SW_SLEEP for the idling of clockdomains. However, additional
SoCs now leverage the OMAP4 clockdomain code so update it to use SW_SLEEP
if the clockdomain data specifies that the CLKDM has the
CLKDM_CAN_FORCE_SLEEP flag set rather than using HW_AUTO for both cases.

Without this patch, clockdomain handling is broken on AM43xx and no
clockdomains are actually being put into idle on this platform. Any
attempt to idle them results in the HW_AUTO value (0x3) being written
to them with no apparent effect.

Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
[paul@pwsan.com: added extra explanatory text from patch set intro]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-02-28 12:43:46 -07:00
Lokesh Vutla
a7daf64a34 ARM: OMAP2+: AM43xx: implement support for machine restart
Add restart hook so that AM4372 builds can restart the platform.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-02-28 12:43:45 -07:00
Sebastian Reichel
1d207cd30b wl1251: move power GPIO handling into the driver
Move the power GPIO handling from the board code into
the driver. This is a dependency for device tree support.

Signed-off-by: Sebastian Reichel <sre@debian.org>
Reviewed-by: Pavel Machek <pavel@ucw.cz>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-28 14:08:26 -05:00
Luciano Coelho
946651cba2 wl1251: split wl251 platform data to a separate structure
Move the wl1251 part of the wl12xx platform data structure into a new
structure specifically for wl1251.  Change the platform data built-in
block and board files accordingly.

Signed-off-by: Luciano Coelho <coelho@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Reviewed-by: Sebastian Reichel <sre@debian.org>
Reviewed-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-28 14:08:26 -05:00
Arnd Bergmann
ead47a75cf - Remove common kconfig options required by multi-platform builds out
of individual platforms as they are redundant.
 - Make SMP, CACHE_L2X0 and GPIO config options user visible on
 multi-platform builds as most platforms enable these options and all
 platforms can run with them enabled.
 - Make multi-platform v6 default to more optimal v6k rather than v6
 - Remove the last bit of mach-virt and convert it to just a kconfig
 option.
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Merge tag 'kconfig-cleanup-for-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux into next/cleanup

Merge "kconfig clean-up and mach-virt removal for 3.15" from Rob Herring

- Remove common kconfig options required by multi-platform builds out
of individual platforms as they are redundant.
- Make SMP, CACHE_L2X0 and GPIO config options user visible on
multi-platform builds as most platforms enable these options and all
platforms can run with them enabled.
- Make multi-platform v6 default to more optimal v6k rather than v6
- Remove the last bit of mach-virt and convert it to just a kconfig
option.

* tag 'kconfig-cleanup-for-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  ARM: virt: select ARM_AMBA
  ARM: virt: make mach-virt just a kconfig option
  ARM: vt8500: enable V6K instead of plain V6
  ARM: cns3xxx: enable V6K instead of plain V6
  ARM: bcm2835: enable V6K instead of plain V6
  ARM: Select V6K instead of V6 by default for multi-platform
  ARM: select MIGHT_HAVE_CACHE_L2X0 for V6 and V7 multi-platform
  ARM: select HAVE_SMP for V7 multi-platform
  ARM: centralize common multi-platform kconfig options

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-02-28 17:08:21 +01:00
Arnd Bergmann
077bb25c98 Fixes for omaps mostly to fix the 3430 display regression,
and random crashes if booting n900 with device tree and
 thumb mode. Also few other regressions and fixes.
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Merge tag 'omap-for-v3.14/fixes-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

Omap fixes from Tony Lindgren:

Fixes for omaps mostly to fix the 3430 display regression,
and random crashes if booting n900 with device tree and
thumb mode. Also few other regressions and fixes.

* tag 'omap-for-v3.14/fixes-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP3: Fix pinctrl interrupts for core2
  ARM: OMAP: Kill warning in CPUIDLE code with !CONFIG_SMP
  ARM: OMAP2+: Add support for thumb mode on DT booted N900
  ARM: OMAP2+: clock: fix clkoutx2 with CLK_SET_RATE_PARENT
  ARM: OMAP4: hwmod: Fix SOFTRESET logic for OMAP4
  ARM: DRA7: hwmod data: correct the sysc data for spinlock
  ARM: OMAP5: PRM: Fix reboot handling

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-02-28 16:01:28 +01:00
Tomi Valkeinen
eba358435b OMAPDSS: Remove unused get_context_loss_count support
The omapdss driver no longer uses get_context_loss_count call, so we can
remove it.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
2014-02-28 12:35:43 +02:00
Tony Lindgren
4b41636878 ARM: OMAP3: Fix pinctrl interrupts for core2
After splitting padconf core into two parts to avoid exposing
unaccessable registers, the new padconf core2 domain was left
without a wake-up interrupt.

Fix the issue by passing the shared wake-up interrupt in
platform data like we do for padconf core and wkup domains
already.

Fixes: 3d49538364 (ARM: dts: Split omap3 pinmux core device)

Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-02-27 15:35:48 -08:00
David Howells
74c4137b2a ARM: 7989/1: Delete asm/system.h
Delete ARM's asm/system.h.  It's the last holdout and should be got rid of.

This builds for defconfig, lpc32xx_defconfig, exynos_defconfig + XEN, the
previous changed to a Gemini system and an omap3 config with TI_DAVINCI_EMAC.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-02-25 11:33:37 +00:00
Greg Kroah-Hartman
3c701651c8 Merge 3.14-rc4 into usb-next
We want the USB fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-02-24 15:59:22 -08:00
Laurent Pinchart
e68084c661 [media] ARM: omap2: cm-t35: Add regulators and clock for camera sensor
The camera sensor will soon require regulators and clocks. Register
fixed regulators for its VAA and VDD power supplies and a fixed rate
clock for its master clock.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-02-24 13:10:14 -03:00
Uwe Kleine-König
51bcb6aae8 This cleanup series gets rid of <mach/timex.h> for platforms not using
ARCH_MULTIPLATFORM. (For multi-platform code it's already unused since
 387798b (ARM: initial multiplatform support).)
 
 To make this work some code out of arch/arm needed to be adapted. The
 respective changes got acks by their maintainers to be taken via armsoc
 (with Andrew Morton substituting for Alessandro Zummo as rtc maintainer).
 
 Compared to the previous pull request there was another patch added that
 fixes a (non-critical) regression on ixp4xx. Olof Johansson asked to not
 squash this fix into the original commit to save him from the need to
 reverify the series.
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Merge tag 'dropmachtimexh-v2' of git://git.pengutronix.de/git/ukl/linux

This cleanup series gets rid of <mach/timex.h> for platforms not using
ARCH_MULTIPLATFORM. (For multi-platform code it's already unused since
387798b (ARM: initial multiplatform support).)

To make this work some code out of arch/arm needed to be adapted. The
respective changes got acks by their maintainers to be taken via armsoc
(with Andrew Morton substituting for Alessandro Zummo as rtc maintainer).

Compared to the previous pull request there was another patch added that
fixes a (non-critical) regression on ixp4xx. Olof Johansson asked to not
squash this fix into the original commit to save him from the need to
reverify the series.

Conflicts:
	arch/arm/mach-at91/at91sam9260.c
	arch/arm/mach-at91/at91sam9261.c
	arch/arm/mach-at91/at91sam9263.c
	arch/arm/mach-at91/at91sam9rl.c
	arch/arm/mach-mmp/time.c
	arch/arm/mach-sa1100/time.c
2014-02-24 10:06:56 +01:00
Santosh Shilimkar
865da01cd9 ARM: OMAP: Kill warning in CPUIDLE code with !CONFIG_SMP
for non SMP build, NR_CPUS is 1 and hence the code complains with below
warnings.

arch/arm/mach-omap2/cpuidle44xx.c:207:8: warning: array subscript is above array bounds [-Warray-bounds]
arch/arm/mach-omap2/cpuidle44xx.c:212:11: warning: array subscript is above array bounds [-Warray-bounds]

Kill it by making array size fixed.

Acked-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-02-21 15:16:56 -08:00
Sebastian Reichel
deff82e688 ARM: OMAP2+: Add support for thumb mode on DT booted N900
Without enabling the workaround for ARM errata 430973 thumb
compiled userland crashes randomly on the Nokia N900.

Signed-off-by: Sebastian Reichel <sre@debian.org>
Reviewed-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-02-21 15:07:36 -08:00
Tony Lindgren
915a15593b Several OMAP clock/PM/device data fixes for v3.14-rc. There's an OMAP5
reboot fix in there, plus a clock fix for rate computations involving
 x2 multipliers.
 
 Basic build, boot, and PM test logs are available here:
 
 http://www.pwsan.com/omap/testlogs/prcm-fixes-a-v3.14-rc/20140219131753/
 
 Note that most full-chip PM is broken since the v3.14 merge; it's
 not caused by this series.
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Merge tag 'for-v3.14-rc/omap-fixes-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v3.14/fixes

Several OMAP clock/PM/device data fixes for v3.14-rc.  There's an OMAP5
reboot fix in there, plus a clock fix for rate computations involving
x2 multipliers.

Basic build, boot, and PM test logs are available here:

http://www.pwsan.com/omap/testlogs/prcm-fixes-a-v3.14-rc/20140219131753/

Note that most full-chip PM is broken since the v3.14 merge; it's
not caused by this series.
2014-02-21 15:02:25 -08:00
Rob Herring
90bc8ac77d ARM: select HAVE_SMP for V7 multi-platform
All V7 platforms can run SMP kernels, so make CONFIG_SMP visible for V7
multi-platform builds.

Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
2014-02-19 16:43:27 -06:00
Rob Herring
ddb902cc34 ARM: centralize common multi-platform kconfig options
Multi-platform requires various kconfig options to be selected, so
platforms don't need to select them individually.

Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Russell King <linux@arm.linux.org.uk>
Acked-by: Stephen Warren <swarren@nvidia.com>
Tested-by: Stephen Warren <swarren@wwwdotorg.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
2014-02-19 16:38:18 -06:00
Tomi Valkeinen
994c41ee0a ARM: OMAP2+: clock: fix clkoutx2 with CLK_SET_RATE_PARENT
If CLK_SET_RATE_PARENT is set for a clkoutx2 clock, calling
clk_set_rate() on the clock "skips" the x2 multiplier as there are no
set_rate and round_rate functions defined for the clkoutx2.

This results in getting double the requested clock rates, breaking the
display on omap3430 based devices. This got broken when
d0f58bd3bb and related patches were merged
for v3.14, as omapdss driver now relies more on the clk-framework and
CLK_SET_RATE_PARENT.

This patch implements set_rate and round_rate for clkoutx2.

Tested on OMAP3430, OMAP3630, OMAP4460.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-02-19 12:07:55 -07:00
Illia Smyrnov
01142519ff ARM: OMAP4: hwmod: Fix SOFTRESET logic for OMAP4
Commit 313a76e (ARM: OMAP2+: hwmod: Fix SOFTRESET logic) introduced
softreset bit cleaning right after set one. It is caused L3 error for
OMAP4 ISS because ISS register write occurs when ISS reset process is in
progress. Avoid this situation by cleaning softreset bit later, when reset
process is successfully finished.

Signed-off-by: Illia Smyrnov <illia.smyrnov@globallogic.com>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Acked-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-02-19 12:07:00 -07:00
Suman Anna
c317d0f241 ARM: DRA7: hwmod data: correct the sysc data for spinlock
The spinlock module's SYSCONFIG register on DRA7xx does not
support smart wakeup, and also does not have the CLKACTIVITY
field. The sysc data for spinlock module has been appropriately
fixed up to reflect the same.

Cc: Ambresh K <ambresh@ti.com>
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-02-19 11:34:47 -07:00
Vaibhav Bedia
18ba7b9d5f ARM: OMAP5: PRM: Fix reboot handling
Use the correct register offset for issuing the
reset command in OMAP5. Since dev_inst is set dynamically
OMAP4 should not be affected by this change.

Signed-off-by: Vaibhav Bedia <vaibhav.bedia@gmail.com>
Tested-by: Lokesh Vutla <lokeshvutla@ti.com>
Acked-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-02-19 10:38:26 -07:00
Olof Johansson
11d73c56b9 This cleanup series gets rid of <mach/timex.h> for platforms not using
ARCH_MULTIPLATFORM. (For multi-platform code it's already unused since
 387798b (ARM: initial multiplatform support).)
 
 To make this work some code out of arch/arm needed to be adapted. The
 respective changes got acks by their maintainers to be taken via armsoc
 (with Andrew Morton substituting for Alessandro Zummo as rtc maintainer).
 
 Compared to the previous pull request there was another patch added that
 fixes a (non-critical) regression on ixp4xx. Olof Johansson asked to not
 squash this fix into the original commit to save him from the need to
 reverify the series.
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Merge tag 'dropmachtimexh-v2' of git://git.pengutronix.de/git/ukl/linux into next/cleanup

This cleanup series gets rid of <mach/timex.h> for platforms not using
ARCH_MULTIPLATFORM. (For multi-platform code it's already unused since
387798b (ARM: initial multiplatform support).)

To make this work some code out of arch/arm needed to be adapted. The
respective changes got acks by their maintainers to be taken via armsoc
(with Andrew Morton substituting for Alessandro Zummo as rtc maintainer).

Compared to the previous pull request there was another patch added that
fixes a (non-critical) regression on ixp4xx. Olof Johansson asked to not
squash this fix into the original commit to save him from the need to
reverify the series.

* tag 'dropmachtimexh-v2' of git://git.pengutronix.de/git/ukl/linux:
  ARM: ixp4xx: fix timer latch calculation
  ARM: drop <mach/timex.h> for !ARCH_MULTIPLATFORM, too
  ARM: rpc: stop using <mach/timex.h>
  ARM: ixp4xx: stop using <mach/timex.h>
  input: ixp4xx-beeper: don't use symbols from <mach/timex.h>
  ARM: at91: don't use <mach/timex.h>
  ARM: ep93xx: stop using mach/timex.h
  ARM: mmp: stop using mach/timex.h
  ARM: netx: stop using mach/timex.h
  ARM: sa1100: stop using mach/timex.h
  clocksource: sirf/marco+prima2: drop usage of CLOCK_TICK_RATE
  rtc: pxa: drop unused #define TIMER_FREQ
  rtc: at91sam9: include <mach/hardware.h> explicitly
  ARM/serial: at91: switch atmel serial to use gpiolib

Signed-off-by: Olof Johansson <olof@lixom.net>
2014-02-18 22:19:33 -08:00
Olof Johansson
24002727ad Fixes for omaps, mostly to deal with the 34xx vs 36xx SoC
configuration for overo boards.
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Merge tag 'omap-for-v3.14/fixes-against-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

Fixes for omaps, mostly to deal with the 34xx vs 36xx SoC
configuration for overo boards.

* tag 'omap-for-v3.14/fixes-against-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  Documentation: dt: OMAP: Update Overo/Tobi
  ARM: dts: Add support for both OMAP35xx and OMAP36xx Overo/Tobi
  ARM: dts: omap3-tobi: Use the correct vendor prefix
  ARM: dts: omap3-tobi: Fix boot with OMAP36xx-based Overo
  ARM: OMAP2+: Remove legacy macros for zoom platforms
  ARM: OMAP2+: Remove MACH_NOKIA_N800
  ARM: dts: N900: add missing compatible property
  ARM: dts: N9/N950: fix boot hang with 3.14-rc1
  ARM: OMAP1: nokia770: enable tahvo-usb
  ARM: OMAP2+: gpmc: fix: DT ONENAND child nodes not probed when MTD_ONENAND is built as module
  ARM: OMAP2+: gpmc: fix: DT NAND child nodes not probed when MTD_NAND is built as module
  ARM: dts: omap3-gta04: Fix mmc1 properties.
  ARM: dts: omap3-gta04: Fix 'aux' gpio key flags.
  ARM: OMAP2+: add missing ARCH_HAS_OPP
  ARM: dts: am335x-evmsk: Fix mmc1 support
  ARM: DTS: am335x-evmsk: Correct audio clock frequency
  ARM: dts: omap3-gta04: Add EOC irq gpio line handling.

Signed-off-by: Olof Johansson <olof@lixom.net>
2014-02-18 15:57:59 -08:00
Paul Bolle
f6723b569a usb: host: remove selects of USB_ARCH_HAS_?HCI
USB_ARCH_HAS_EHCI, USB_ARCH_HAS_OHCI, and USB_ARCH_HAS_XHCI were just
removed. Selecting them is a nop. The select statements for these
symbols can be removed too.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-02-18 12:36:38 -08:00
Paul Bolle
43e21ef061 ARM: OMAP2+: Remove legacy macros for zoom platforms
Commit 97411608fd ("ARM: OMAP2+: Remove legacy support for zoom
platforms") removed the Kconfig symbols MACH_OMAP_ZOOM2 and
MACH_OMAP_ZOOM3. Remove the last usage of the related macros too.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-02-13 15:29:45 -08:00
Paul Bolle
84b57c84b1 ARM: OMAP2+: Remove MACH_NOKIA_N800
The last caller of machine_is_nokia_n800() was removed in commit
5a87cde490 ("ARM: OMAP2+: Remove legacy booting support for n8x0").
That means that the Kconfig symbol MACH_NOKIA_N800 is now unused. It can
safely be removed.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Acked-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-02-13 15:28:08 -08:00
Pekon Gupta
980386d2d6 ARM: OMAP2+: gpmc: fix: DT ONENAND child nodes not probed when MTD_ONENAND is built as module
Fixes: commit 75d3625e0e
       ARM: OMAP2+: gpmc: add DT bindings for OneNAND

OMAP SoC(s) depend on GPMC controller driver to parse GPMC DT child nodes and
register them platform_device for ONENAND driver to probe later. However this does
not happen if generic MTD_ONENAND framework is built as module (CONFIG_MTD_ONENAND=m).

Therefore, when MTD/ONENAND and MTD/ONENAND/OMAP2 modules are loaded, they are unable
to find any matching platform_device and remain un-binded. This causes on board
ONENAND flash to remain un-detected.

This patch causes GPMC controller to parse DT nodes when
CONFIG_MTD_ONENAND=y || CONFIG_MTD_ONENAND=m

CC: <stable@vger.kernel.org> # 3.9.x+
Signed-off-by: Pekon Gupta <pekon@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-02-13 15:10:54 -08:00
Pekon Gupta
6b187b21c9 ARM: OMAP2+: gpmc: fix: DT NAND child nodes not probed when MTD_NAND is built as module
Fixes: commit bc6b1e7b86
       ARM: OMAP: gpmc: add DT bindings for GPMC timings and NAND

OMAP SoC(s) depend on GPMC controller driver to parse GPMC DT child nodes and
register them platform_device for NAND driver to probe later. However this does
not happen if generic MTD_NAND framework is built as module (CONFIG_MTD_NAND=m).

Therefore, when MTD/NAND and MTD/NAND/OMAP2 modules are loaded, they are unable
to find any matching platform_device and remain un-binded. This causes on board
NAND flash to remain un-detected.

This patch causes GPMC controller to parse DT nodes when
CONFIG_MTD_NAND=y || CONFIG_MTD_NAND=m

CC: <stable@vger.kernel.org> # 3.9.x+
Signed-off-by: Pekon Gupta <pekon@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-02-13 15:10:42 -08:00
Nishanth Menon
22106c1125 ARM: OMAP2+: add missing ARCH_HAS_OPP
OMAP5, DRA7, AM43xx all have OPPs. So select the same to allow SoC
only configuration boot to work with OPP.

Reported-by: Nikhil Devshatwar <nikhil.nd@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-02-13 14:57:13 -08:00
Sricharan R
5c61e61966 ARM: DRA: Enable Crossbar IP support for DRA7XX
Enable the crossbar IP support for DRA7xx soc.

Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sricharan R <r.sricharan@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
2014-02-05 20:09:11 +05:30
Sricharan R
1cc4b1a92c ARM: OMAP4+: Correct Wakeup-gen code to use physical irq number
The wakeup gen mask/unmask callback uses the irq element of the
irq_data to setup. The irq is the linux virtual irq number and
is same as the hardware irq number only when the parent irqchip
is setup as a legacy domain. When it is used as a linear domain,
the virtual irqs are allocated dynamically and wakeup gen code
cannot rely on these numbers to access the irq registers. Instead
use the hwirq element of the irq_data which represent the physical
irq number.

Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sricharan R <r.sricharan@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
2014-02-05 20:08:34 +05:30
Rob Herring
8b7dfa7dc7 ARM: fix HAVE_ARM_TWD selection for OMAP and shmobile
The selection of HAVE_ARM_TWD for OMAP and shmobile depend on LOCAL_TIMER
which no longer exists. They should depend on SMP instead.

Cc: Tony Lindgren <tony@atomide.com>
Cc: Simon Horman <horms@verge.net.au>
Cc: Magnus Damm <magnus.damm@gmail.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
2014-02-02 19:52:53 -08:00
Linus Torvalds
e4c0da2165 ARM: SoC fixes for 3.14-rc1
Here's a set of patches for (hopefully) -rc1. Some of them are fixes,
 but a good number of them also do things such as enable new drivers in
 the defconfigs for platforms that have such devices, increases coverage
 of the multiplatform defconfig and some DTS changes that plumbs up some
 of the devices that now have bindings and driver support.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "Here's a set of patches for (hopefully) -rc1.  Some of them are fixes,
  but a good number of them also do things such as enable new drivers in
  the defconfigs for platforms that have such devices, increases
  coverage of the multiplatform defconfig and some DTS changes that
  plumbs up some of the devices that now have bindings and driver
  support.

  The commit dates are recent; we've mostly collected these fixes in the
  last few days but I also had to rebuild the branch yesterday to sort
  out some internal conflicts which reset the timestamps.  The changes
  should have been tested by each platform maintainer already (and few
  of them have cross-platform impact) so I'm personally not too
  concerned by it at this time"

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (23 commits)
  ARM: multi_v7_defconfig: remove redundant entries and re-enable TI_EDMA
  ARM: multi_v7_defconfig: add mvebu drivers
  clocksource: kona: Add basic use of external clock
  drivers: bus: fix CCI driver kcalloc call parameters swap
  ARM: dts: bcm28155-ap: Fix Card Detection GPIO
  ARM: multi_v7_defconfig: Select CONFIG_AT803X_PHY
  ARM: keystone: config: fix build warning when CONFIG_DMADEVICES is not set
  MAINTAINERS: ARM: SiRF: use regex patterns to involve all SiRF drivers
  ARM: dts: zynq: Add SDHCI nodes
  ARM: hisi: don't select SMP
  ARM: tegra: rebuild tegra_defconfig to add DEBUG_FS
  ARM: multi_v7: copy most options from tegra_defconfig
  ARM: iop32x: fix power off handling for the EM7210 board
  ARM: integrator: restore static map on the CP
  ARM: msm_defconfig: Enable MSM clock drivers
  ARM: dts: msm: Add clock controller nodes and hook into uart
  ARM: OMAP4+: move errata initialization to omap4_pm_init_early
  ARM: OMAP4460: cpuidle: Extend PM_OMAP4_ROM_SMP_BOOT_ERRATUM_GICD on cpuidle
  ARM: mvebu: fix compilation warning on Armada 370 (i.e. non-SMP)
  ARM: shmobile: r8a7790.dtsi: ficx i2c[0-3] clock reference
  ...
2014-02-02 11:11:06 -08:00
Nishanth Menon
de70af494c ARM: OMAP4+: move errata initialization to omap4_pm_init_early
Move all OMAP4 PM errata initializations to centralized location in
omap4_pm_init_early. This allows for users to utilize the erratas
in various submodules as needed.

Reported-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
2014-01-31 14:57:37 -08:00
Strashko, Grygorii
74ed7bdcb4 ARM: OMAP4460: cpuidle: Extend PM_OMAP4_ROM_SMP_BOOT_ERRATUM_GICD on cpuidle
The same workaround as ff999b8a09
"ARM: OMAP4460: Workaround for ROM bug because of CA9 r2pX GIC ..."
need to be applied not only when system is booting, but when MPUSS hits
OSWR state through CPUIdle too. Without this WA the same issue is
reproduced now on boards PandaES and Tablet/Blaze with SOM OMAP4460
when CONFIG_CPU_IDLE is enabled.
After MPUSS has enterred OSWR and waken up:
- GIC distributor became disabled forever
- scheduling is not performed any more

Cc: Kevin Hilman <khilman@linaro.org>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Reported-by: Taras Kondratiuk <taras.kondratiuk@linaro.org>
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
2014-01-31 14:57:32 -08:00
Linus Torvalds
b399c46ea0 Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
 - a new jpeg codec driver for Samsung Exynos (jpeg-hw-exynos4)
 - a new dvb frontend for ds2103 chipset (m88ds2103)
 - a new sensor driver for Samsung S5K5BAF UXGA (s5k5baf)
 - new drivers for R-Car VSP1
 - a new radio driver: radio-raremono
 - a new tuner driver for ts2022 chipset (m88ts2022)
 - the analog part of em28xx is now a separate module that only
   load/runs if the device is not a pure digital TV device
 - added a staging driver for bcm2048 radio devices
 - the omap 2 video driver (omap24xx) was moved to staging.  This driver
   is for an old hardware and uses a deprecated Kernel internal API.  If
   nobody cares enough to fix it, it would be removed on a couple Kernel
   releases
 - the sn9c102 driver was moved to staging.  This driver was replaced by
   gspca, and disabled on some distros, as almost all devices are known
   to work properly with gspca.  It should be removed from kernel on a
   couple Kernel releases
 - lots of driver fixes, improvements and cleanups

* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (421 commits)
  [media] media: v4l2-dev: fix video device index assignment
  [media] rc-core: reuse device numbers
  [media] em28xx-cards: properly initialize the device bitmap
  [media] Staging: media: Fix line length exceeding 80 characters in as102_drv.c
  [media] Staging: media: Fix line length exceeding 80 characters in as102_fe.c
  [media] Staging: media: Fix quoted string split across line in as102_fe.c
  [media] media: st-rc: Add reset support
  [media] m2m-deinterlace: fix allocated struct type
  [media] radio-usb-si4713: fix sparse non static symbol warnings
  [media] em28xx-audio: remove needless check before usb_free_coherent()
  [media] au0828: Fix sparse non static symbol warning
  Revert "[media] go7007-usb: only use go->dev after allocated"
  [media] em28xx-audio: provide an error code when URB submit fails
  [media] em28xx: fix check for audio only usb interfaces when changing the usb alternate setting
  [media] em28xx: fix usb alternate setting for analog and digital video endpoints > 0
  [media] em28xx: make 'em28xx_ctrl_ops' static
  em28xx-alsa: Fix error patch for init/fini
  [media] em28xx-audio: flush work at .fini
  [media] drxk: remove the option to load firmware asynchronously
  [media] em28xx: adjust period size at runtime
  ...
2014-01-31 09:31:14 -08:00
Linus Torvalds
d30492adea The second half of the clock framework pull requeust for 3.14 is
dominated by platform support for Qualcomm's MSM SoCs, DT binding
 updates for TI's OMAP-ish processors and additional support for Samsung
 chips. Additionally there are other smaller clock driver changes and
 several last minute fixes. This pull request also includes the HiSilicon
 support that depends on the already-merged arm-soc pull request.
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Merge tag 'clk-for-linus-3.14-part2' of git://git.linaro.org/people/mike.turquette/linux

Pull more clock framework changes from Mike Turquette:
 "The second half of the clock framework pull requeust for 3.14 is
  dominated by platform support for Qualcomm's MSM SoCs, DT binding
  updates for TI's OMAP-ish processors and additional support for
  Samsung chips.

  Additionally there are other smaller clock driver changes and several
  last minute fixes.  This pull request also includes the HiSilicon
  support that depends on the already-merged arm-soc pull request"

[ Fix up stupid compile error in the source tree with evil merge  - Grumpy Linus ]

* tag 'clk-for-linus-3.14-part2' of git://git.linaro.org/people/mike.turquette/linux: (49 commits)
  clk: sort Makefile
  clk: sunxi: fix overflow when setting up divided factors
  clk: Export more clk-provider functions
  dt-bindings: qcom: Fix warning with duplicate dt define
  clk: si5351: remove variant from platform_data
  clk: samsung: Remove unneeded semicolon
  clk: qcom: Fix modular build
  ARM: OMAP3: use DT clock init if DT data is available
  ARM: AM33xx: remove old clock data and link in new clock init code
  ARM: AM43xx: Enable clock init
  ARM: OMAP: DRA7: Enable clock init
  ARM: OMAP4: remove old clock data and link in new clock init code
  ARM: OMAP2+: io: use new clock init API
  ARM: OMAP2+: PRM: add support for initializing PRCM clock modules from DT
  ARM: OMAP3: hwmod: initialize clkdm from clkdm_name
  ARM: OMAP: hwmod: fix an incorrect clk type cast with _get_clkdm
  ARM: OMAP2+: clock: use driver API instead of direct memory read/write
  ARM: OMAP2+: clock: add support for indexed memmaps
  ARM: dts: am43xx clock data
  ARM: dts: AM35xx: use DT clock data
  ...
2014-01-28 18:44:53 -08:00
Linus Torvalds
903a9f77d1 ARM: SoC board updates for 3.14
This branch is reducing in size for every release since most board-related
 changes have started happening in devicetrees now. Still, we have some things
 going on here.
 
 * Renesas platforms are still adding a bit more legacy device support, something
   that should trail off shortly as they move to full DT.
 * We group most defconfig updates into this branch out of old habits
 * Removal of legacy OMAP2 platforms over to DT continues, and a handful of old
   code is being removed here.
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Merge tag 'boards-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC board updates from Olof Johansson:
 "This branch is reducing in size for every release since most
  board-related changes have started happening in devicetrees now.
  Still, we have some things going on here.

   * Renesas platforms are still adding a bit more legacy device
     support, something that should trail off shortly as they move to
     full DT
   * We group most defconfig updates into this branch out of old habits
   * Removal of legacy OMAP2 platforms over to DT continues, and a
     handful of old code is being removed here"

* tag 'boards-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (94 commits)
  ARM: dts: OMAP2: fix interrupt number for rng
  ARM: dts: Split omap3 pinmux core device
  ARM: dts: Add omap specific pinctrl defines to use padconf addresses
  ARM: bcm2835: bcm2835_defconfig updates
  ARM: msm_defconfig: Enable restart driver
  defconfig: msm_defconfig: Enable CONFIG_ARCH_MSM8974
  ARM: msm: Add support for APQ8074 Dragonboard
  ARM: exynos_defconfig: Enable S2MPS11 voltage regulator
  ARM: tegra: Enable DRM panel support
  ARM: shmobile: mackerel: Fix USBHS pinconf entry
  ARM: shmobile: Let Koelsch multiplatform boot with Koelsch DTB
  ARM: shmobile: Let Lager multiplatform boot with Lager DTB
  ARM: shmobile: Remove non-multiplatform Koelsch reference support
  ARM: shmobile: Remove non-multiplatform Lager reference support
  ARM: shmobile: koelsch-reference: Instantiate clkdevs for SCIF and CMT
  ARM: shmobile: lager-reference: Instantiate clkdevs for SCIF and CMT
  ARM: shmobile: koelsch-reference: Remove duplicate CCF initialization
  ARM: shmobile: lager-reference: Enable multiplaform kernel support
  ARM: shmobile: armadillo: Set backlight enable GPIO
  ARM: shmobile: Koelsch: add Ether support
  ...

Conflicts:
	arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c
2014-01-23 18:48:28 -08:00
Linus Torvalds
dfd10e7ae6 ARM: SoC platform changes for 3.14
New core SoC-specific changes.
 
 New platforms:
 * Introduction of a vendor, Hisilicon, and one of their SoCs with some
   random numerical product name.
 * Introduction of EFM32, embedded platform from Silicon Labs (ARMv7m, i.e. !MMU).
 * Marvell Berlin series of SoCs, which include the one in Chromecast.
 * MOXA platform support, ARM9-based platform used mostly in industrial products
 * Support for Freescale's i.MX50 SoC.
 
 Other work:
 * Renesas work for new platforms and drivers, and conversion over to
   more multiplatform-friendly device registration schemes.
 * SMP support for Allwinner sunxi platforms.
 * ... plus a bunch of other stuff across various platforms.
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Merge tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform changes from Olof Johansson:
 "New core SoC-specific changes.

  New platforms:
   * Introduction of a vendor, Hisilicon, and one of their SoCs with
     some random numerical product name.
   * Introduction of EFM32, embedded platform from Silicon Labs (ARMv7m,
     i.e. !MMU).
   * Marvell Berlin series of SoCs, which include the one in Chromecast.
   * MOXA platform support, ARM9-based platform used mostly in
     industrial products
   * Support for Freescale's i.MX50 SoC.

  Other work:
   * Renesas work for new platforms and drivers, and conversion over to
     more multiplatform-friendly device registration schemes.
   * SMP support for Allwinner sunxi platforms.
   * ... plus a bunch of other stuff across various platforms"

* tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (201 commits)
  ARM: tegra: fix tegra_powergate_sequence_power_up() inline
  ARM: msm_defconfig: Update for multi-platform
  ARM: msm: Move MSM's DT based hardware to multi-platform support
  ARM: msm: Only build timer.c if required
  ARM: msm: Only build clock.c on proc_comm based platforms
  ARM: ux500: Enable system suspend with WFI support
  ARM: ux500: turn on PRINTK_TIME in u8500_defconfig
  ARM: shmobile: r8a7790: Fix I2C controller names
  ARM: msm: Simplify ARCH_MSM_DT config
  ARM: msm: Add support for MSM8974 SoC
  ARM: sunxi: select ARM_PSCI
  MAINTAINERS: Update Allwinner sunXi maintainer files
  ARM: sunxi: Select RESET_CONTROLLER
  ARM: imx: improve the comment of CCM lpm SW workaround
  ARM: imx: improve status check of clock gate
  ARM: imx: add necessary interface for pfd
  ARM: imx_v6_v7_defconfig: Select CONFIG_REGULATOR_PFUZE100
  ARM: imx_v6_v7_defconfig: Select MX35 and MX50 device tree support
  ARM: imx: Add cpu frequency scaling support
  ARM i.MX35: Add devicetree support.
  ...
2014-01-23 18:40:49 -08:00
Linus Torvalds
93abdb7785 ARM: SoC non-critical fixes for 3.14
As usual, we have a batch of fixes that weren't considered significant
 enough to warrant going into the later -rcs for previous release, so
 they are queued up on this branch.
 
 A handful of these are for various DT fixups for Samsung platforms,
 and a handful of other minor things.
 
 There are also a couple of stable-marked patches for mvebu -- they came in
 quite late and we decided to keep them deferred until the first -stable
 release to get more coverage instead of squeezing them into 3.13.
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Merge tag 'fixes-nc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC non-critical fixes from Olof Johansson:
 "As usual, we have a batch of fixes that weren't considered significant
  enough to warrant going into the later -rcs for previous release, so
  they are queued up on this branch.

  A handful of these are for various DT fixups for Samsung platforms,
  and a handful of other minor things.

  There are also a couple of stable-marked patches for mvebu -- they
  came in quite late and we decided to keep them deferred until the
  first -stable release to get more coverage instead of squeezing them
  into 3.13"

* tag 'fixes-nc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (32 commits)
  ARM: at91: smc: bug fix in sam9_smc_cs_read()
  i2c: mv64xxx: Document the newly introduced Armada XP A0 compatible
  i2c: mv64xxx: Fix bus hang on A0 version of the Armada XP SoCs
  ARM: mvebu: Add quirk for i2c for the OpenBlocks AX3-4 board
  ARM: mvebu: Add support to get the ID and the revision of a SoC
  ARM: dts: msm: Fix gpio interrupt and reg length
  irqchip: sirf: set IRQ_LEVEL status_flags
  ARM: OMAP2+: gpmc: Move legacy GPMC width setting
  ARM: OMAP2+: gpmc: Introduce gpmc_set_legacy()
  ARM: OMAP2+: gpmc: Move initialization outside the gpmc_t condition
  ARM: OMAP2+: board-generic: update SoC compatibility strings
  Documentation: dt: OMAP: explicitly state SoC compatible strings
  ARM: OMAP2+: enable AM33xx SOC EVM audio
  ARM: OMAP2+: Select USB PHY for AM335x SoC
  ARM: bcm2835: Fix grammar in help message
  ARM: msm: trout: fix uninit var warning
  ARM: dts: Use MSHC controller for eMMC memory for exynos4412-trats2
  ARM: dts: Fix definition of MSHC device tree nodes for exynos4x12
  ARM: dts: add clock provider for mshc node for Exynos4412 SOC
  clk: samsung: exynos4: Fix definition of div_mmc_pre4 divider
  ...
2014-01-23 18:36:01 -08:00
Linus Torvalds
f341535193 Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm
Pull ARM updates from Russell King:
 "In this set, we have:
   - Refactoring of some of the old StrongARM-1100 GPIO code to make
     things simpler by Dmitry Eremin-Solenikov
   - Read-only and non-executable support for modules on ARM from Laura
     Abbot
   - Removal of unnecessary set_drvdata() calls in AMBA code
   - Some non-executable support for kernel lowmem mappings at the 1MB
     section granularity, and dumping of kernel page tables via debugfs
   - Some improvements for the timer/clock code on Footbridge platforms,
     and cleanup some of the LED code there
   - Fix fls/ffs() signatures to match x86 to prevent build warnings,
     particularly where these are used with min/max() macros
   - Avoid using the bootmem allocator on ARM (patches from Santosh
     Shilimkar)
   - Various asid/unaligned access updates from Will Deacon"

* 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: (51 commits)
  ARM: SMP implementations are not supposed to return from smp_ops.cpu_die()
  ARM: ignore memory below PHYS_OFFSET
  Fix select-induced Kconfig warning for ZBOOT_ROM
  ARM: fix ffs/fls implementations to match x86
  ARM: 7935/1: sa1100: collie: add gpio-keys configuration
  ARM: 7932/1: bcm: Add DEBUG_LL console support
  ARM: 7929/1: Remove duplicate SCHED_HRTICK config option
  ARM: 7928/1: kconfig: select HAVE_EFFICIENT_UNALIGNED_ACCESS for CPUv6+ && MMU
  ARM: 7927/1: dcache: select DCACHE_WORD_ACCESS for big-endian CPUs
  ARM: 7926/1: mm: flesh out and fix the comments in the ASID allocator
  ARM: 7925/1: mm: keep track of last ASID allocation to improve bitmap searching
  ARM: 7924/1: mm: don't bother with reserved ttbr0 when running with LPAE
  ARM: PCI: add legacy IDE IRQ implementation
  ARM: footbridge: cleanup LEDs code
  ARM: pgd allocation: retry on failure
  ARM: footbridge: add one-shot mode for DC21285 timer
  ARM: footbridge: add sched_clock implementation
  ARM: 7922/1: l2x0: add Marvell Tauros3 support
  ARM: 7877/1: use built-in byte swap function
  ARM: 7921/1: mcpm: remove redundant dsb instructions prior to sev
  ...
2014-01-23 18:34:03 -08:00
Olof Johansson
e41006c22e Split omap3 core padconf area into two as some of the registers in
the padconf area are not accessible and used for other devices.
 Also fix the interrupt number for omap2 RNG, and add basic support
 for sbc-3xxx with cm-t3730.
 
 Note that the minor merge conflicts for omap_hwmod_2xxx_ipblock_data.c
 can be solved by just dropping the legacy hwmod data for interrupts
 for v3.14.
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Merge tag 'omap-for-v3.14/dt-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/boards

Split omap3 core padconf area into two as some of the registers in
the padconf area are not accessible and used for other devices.
Also fix the interrupt number for omap2 RNG, and add basic support
for sbc-3xxx with cm-t3730.

Note that the minor merge conflicts for omap_hwmod_2xxx_ipblock_data.c
can be solved by just dropping the legacy hwmod data for interrupts
for v3.14.

* tag 'omap-for-v3.14/dt-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: dts: OMAP2: fix interrupt number for rng
  ARM: dts: Split omap3 pinmux core device
  ARM: dts: Add omap specific pinctrl defines to use padconf addresses
  ARM: dts: Add support for sbc-3xxx with cm-t3730

Signed-off-by: Olof Johansson <olof@lixom.net>
2014-01-23 08:51:37 -08:00
Santosh Shilimkar
b6cb5bab26 arch/arm/mach-omap2/omap_hwmod.c: use memblock apis for early memory allocations
Switch to memblock interfaces for early memory allocator instead of
bootmem allocator.  No functional change in beahvior than what it is in
current code from bootmem users points of view.

Archs already converted to NO_BOOTMEM now directly use memblock
interfaces instead of bootmem wrappers build on top of memblock.  And
the archs which still uses bootmem, these new apis just fallback to
exiting bootmem APIs.

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Tejun Heo <tj@kernel.org>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Yinghai Lu <yinghai@kernel.org>

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-21 16:19:47 -08:00
Russell King
6f14d778c1 Merge branches 'amba', 'fixes', 'kees', 'misc' and 'unstable/sa11x0' into for-next 2014-01-21 21:26:33 +00:00
Tero Kristo
3e04915791 ARM: OMAP3: use DT clock init if DT data is available
OMAP3 platforms support both DT and non-DT boot at the moment, make
the clock init work according to the used setup.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Tested-by: Nishanth Menon <nm@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-01-17 12:37:31 -08:00
Tero Kristo
149c09d3a6 ARM: AM33xx: remove old clock data and link in new clock init code
AM33xx clocks have now been moved to DT, thus remove the old data file
and use the new init code under OMAP clock driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Tested-by: Nishanth Menon <nm@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-01-17 12:37:28 -08:00
Tero Kristo
d22031e2ac ARM: AM43xx: Enable clock init
Initializes clock data from device tree.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-01-17 12:37:25 -08:00
Tero Kristo
f1cf498ea8 ARM: OMAP: DRA7: Enable clock init
Initializes clock data from device tree.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-01-17 12:37:22 -08:00
Tero Kristo
c8c88d8512 ARM: OMAP4: remove old clock data and link in new clock init code
OMAP4 clocks have now been moved to DT, thus remove the old data file
and use the new init code under drivers/clk/omap/clk-44xx.c.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Tested-by: Nishanth Menon <nm@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-01-17 12:37:17 -08:00
Tero Kristo
cfa9667d4a ARM: OMAP2+: io: use new clock init API
clk_init is now separated to a common function which gets called for all
SoC:s, which initializes the DT clocks and calls the SoC specific clock init.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-01-17 12:37:14 -08:00
Tero Kristo
943a63a41f ARM: OMAP2+: PRM: add support for initializing PRCM clock modules from DT
This patch provides top level functionality for the DT clock initialization.
Clock tree is initialized hierarchically starting from IP modules (CM/PRM/PRCM)
going down towards individual clock nodes, and finally initializing
clockdomains once all the clocks are ready.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-01-17 12:37:11 -08:00
Tero Kristo
0385c58207 ARM: OMAP3: hwmod: initialize clkdm from clkdm_name
DT clocks are mostly missing clkdm info now, and this causes an issue with
counter32k which makes its slave idlemode wrong and prevents core idle.

Fixed by initializing the hwmod clkdm pointers for omap3 also which makes
sure the clkdm flag matching logic works properly.

This patch also changes the return value for _init_clkdm to 0 for
incorrect clkdm_name, as this a warning, not a fatal error.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Tested-by: Nishanth Menon <nm@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-01-17 12:37:07 -08:00
Tero Kristo
924f9498ac ARM: OMAP: hwmod: fix an incorrect clk type cast with _get_clkdm
If the main clock for a hwmod is of basic clock type, it is illegal to type
cast this to clk_hw_omap and will result in bogus data. Fixed by checking
the clock flags before attempting the type cast.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Tested-by: Nishanth Menon <nm@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-01-17 12:37:03 -08:00
Tero Kristo
519ab8b202 ARM: OMAP2+: clock: use driver API instead of direct memory read/write
Clock nodes shall use the services provided by underlying drivers to access
the hardware registers instead of direct memory read/write. Thus, change
all the code to use the new omap2_clk_readl / omap2_clk_writel APIs for this.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-01-17 12:37:00 -08:00
Tero Kristo
3ada6b10aa ARM: OMAP2+: clock: add support for indexed memmaps
Using indexed memmaps is required for isolating the actual memory access
from the clock code. Now, the driver providing the support for the clock IP
block provides the low level routines for reading/writing clock registers
also.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-01-17 12:36:57 -08:00
Tero Kristo
aafd900cab CLK: TI: add omap3 clock init file
clk-3xxx.c now contains the clock init functionality for omap3, including
DT clock registration and adding of static clkdev entries.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Tested-by: Nishanth Menon <nm@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-01-17 12:35:48 -08:00
Tero Kristo
24582b3407 CLK: TI: add interface clock support for OMAP3
OMAP3 has interface clocks in addition to functional clocks, which
require special handling for the autoidle and idle status register
offsets mainly.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-01-17 12:35:45 -08:00
Tero Kristo
45622e2162 CLK: TI: add am33xx clock init file
clk-33xx.c now contains the clock init functionality for am33xx, including
DT clock registration and adding of static clkdev entries.

This patch also moves the omap2_clk_enable_init_clocks declaration to
the driver include, as this is needed by the am33xx clock init code.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Tested-by: Nishanth Menon <nm@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-01-17 12:35:41 -08:00
Tero Kristo
52b14728dd CLK: TI: add omap5 clock init file
clk-54xx.c now contains the clock init functionality for omap5, including
DT clock registration and adding of static clkdev entries.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Tested-by: Nishanth Menon <nm@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-01-17 12:35:24 -08:00
Tero Kristo
21876ea566 CLK: TI: add omap4 clock init file
clk-44xx.c now contains the clock init functionality for omap4, including
DT clock registration and adding of static clkdev entries.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Tested-by: Nishanth Menon <nm@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-01-17 12:35:20 -08:00
Tero Kristo
975e15487d clk: ti: add composite clock support
This is a multipurpose clock node, which contains support for multiple
sub-clocks. Uses basic composite clock type to implement the actual
functionality, and TI specific gate, mux and divider clocks.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-01-17 12:35:01 -08:00
Tero Kristo
b1a07b478b CLK: TI: add autoidle support
TI clk driver now routes some of the basic clocks through own
registration routine to allow autoidle support. This routine just
checks a couple of device node properties and adds autoidle support
if required, and just passes the registration forward to basic clocks.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-01-17 12:34:59 -08:00
Tero Kristo
f38b0dd63f CLK: TI: Add DPLL clock support
The OMAP clock driver now supports DPLL clock type. This patch also
adds support for DT DPLL nodes.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-01-17 12:34:55 -08:00
Tero Kristo
68b9f60867 ARM: DRA7XX: Add support for DRA7XX only build
SOC_DRA7XX was under wrong menu within Kconfig file, which prevented
DRA7XX only build. Fixed the kconfig options for this SoC as we are
there. voltage.c needs to be added to the DRA7XX build also, otherwise
DRA7XX only build will fail.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-01-17 12:31:48 -08:00
Tero Kristo
87a85b683d ARM: DRA7XX/AM43XX: randconfig fixes
DRA7XX and AM43XX were missing common clock code from the Makefile, which
causes build breakage in DRA7XX / AM43XX only builds once clock support
for these SoCs is added. Add the missing entries to the Makefile as
preparation of this.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-01-17 12:31:45 -08:00
Linus Torvalds
9826dbb1e9 Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm
Pull ARM fixes from Russell King:
 "Another few fixes for ARM, nothing major here"

* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
  ARM: 7938/1: OMAP4/highbank: Flush L2 cache before disabling
  ARM: 7939/1: traps: fix opcode endianness when read from user memory
  ARM: 7937/1: perf_event: Silence sparse warning
  ARM: 7934/1: DT/kernel: fix arch_match_cpu_phys_id to avoid erroneous match
  Revert "ARM: 7908/1: mm: Fix the arm_dma_limit calculation"
2014-01-16 08:26:00 +07:00
Taras Kondratiuk
b25f3e1c35 ARM: 7938/1: OMAP4/highbank: Flush L2 cache before disabling
Kexec disables outer cache before jumping to reboot code, but it doesn't
flush it explicitly. Flush is done implicitly inside of l2x0_disable().
But some SoC's override default .disable handler and don't flush cache.
This may lead to a corrupted memory during Kexec reboot on these
platforms.

This patch adds cache flush inside of OMAP4 and Highbank outer_cache.disable()
handlers to make it consistent with default l2x0_disable().

Acked-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Taras Kondratiuk <taras.kondratiuk@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-01-12 14:15:27 +00:00
Ezequiel Garcia
bbc28cdbd0 ARM: OMAP2+: gpmc: Move legacy GPMC width setting
After the introduction of gpmc_set_legacy(), move the GPMC width setting
to be done inside it. Currently, in the DT probed case, this is (wrongly)
done twice: first at gpmc_read_settings_dt(), and then based in the
NAND width setting.
Fix this and use only the value obtained from the DT.

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-01-08 09:49:47 -08:00
Ezequiel Garcia
d0020cc638 ARM: OMAP2+: gpmc: Introduce gpmc_set_legacy()
Introduce a helper function to complete the setting of some GPMC
parameters, only used when the gpmc is probed from a board file.
As such, it will go away once the DT conversion is completed.

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-01-08 09:49:35 -08:00
Ezequiel Garcia
e2e699b193 ARM: OMAP2+: gpmc: Move initialization outside the gpmc_t condition
This commit moves a bunch of initialization previously enclosed
under a 'if (gpmc_t)' check, to be outside such condition.

These initializations are not related to gpmc_t (timings) in any way
so it's nonsense to enclose them under such check.

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-01-08 09:48:32 -08:00
Nishanth Menon
b83a08fee1 ARM: OMAP2+: board-generic: update SoC compatibility strings
Now that we have standardized SoC definitions, update the
compatibility strings in board machine descriptors. Eventually, we
should just have SoC compatiblity here and all board specific stuff
should disappear.

Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-01-08 09:39:58 -08:00
Olof Johansson
fe5a365cdb Linux 3.13-rc5
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Merge tag 'v3.13-rc5' into next/boards

Need a newer base version to get a regulator fix for Samsung platforms that
they enable building in a defconfig.

Linux 3.13-rc5
2013-12-28 21:38:16 -08:00
Tony Lindgren
82f4fe7078 A few OMAP hwmod fixes for v3.13-rc. One patch fixes some IRQ
problems with GPMC, RNG, and ISP/IVA MMUs on OMAP2/3.  The other fixes
 some problems with DEBUG_LL on DRA7xx.
 
 Basic build, boot, and PM test logs are available here:
 
 http://www.pwsan.com/omap/testlogs/hwmod_fixes_b_v3.13-rc/20131226021920/
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Merge tag 'for-v3.13-rc/hwmod-fixes-b' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into debug-ll-and-ldp-backlight-fix

A few OMAP hwmod fixes for v3.13-rc.  One patch fixes some IRQ
problems with GPMC, RNG, and ISP/IVA MMUs on OMAP2/3.  The other fixes
some problems with DEBUG_LL on DRA7xx.

Basic build, boot, and PM test logs are available here:

http://www.pwsan.com/omap/testlogs/hwmod_fixes_b_v3.13-rc/20131226021920/
2013-12-27 09:51:25 -08:00
Tony Lindgren
7e367c18c0 ARM: OMAP2+: Fix LCD panel backlight regression for LDP legacy booting
Looks like the LCD panel on LDP has been broken quite a while, and
recently got fixed by commit 0b2aa8bed3 (gpio: twl4030: Fix regression
for twl gpio output). However, there's still an issue left where the panel
backlight does not come on if the LCD drivers are built into the
kernel.

Fix the issue by registering the DPI LCD panel only after the twl4030
GPIO has probed.

Reported-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
[tony@atomide.com: updated per Tomi's comments]
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-12-27 09:33:27 -08:00
Suman Anna
6d4c883047 ARM: OMAP2+: hwmod_data: fix missing OMAP_INTC_START in irq data
Commit 7d7e1eb (ARM: OMAP2+: Prepare for irqs.h removal) and commit
ec2c082 (ARM: OMAP2+: Remove hardcoded IRQs and enable SPARSE_IRQ)
updated the way interrupts for OMAP2/3 devices are defined in the
HWMOD data structures to being an index plus a fixed offset (defined
by OMAP_INTC_START).

Couple of irqs in the OMAP2/3 hwmod data were misconfigured completely
as they were missing this OMAP_INTC_START relative offset. Add this
offset back to fix the incorrect irq data for the following modules:
	OMAP2 - GPMC, RNG
	OMAP3 - GPMC, ISP MMU & IVA MMU

Signed-off-by: Suman Anna <s-anna@ti.com>
Fixes: 7d7e1eba7e ("ARM: OMAP2+: Prepare for irqs.h removal")
Fixes: ec2c0825ca ("ARM: OMAP2+: Remove hardcoded IRQs and enable SPARSE_IRQ")
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-12-25 21:41:27 -07:00
Rajendra Nayak
38958c15dc ARM: DRA7: hwmod: Fix boot crash with DEBUG_LL
With commit '7dedd34: ARM: OMAP2+: hwmod: Fix a crash in _setup_reset() with
 DEBUG_LL' we moved from parsing cmdline to identify uart used for earlycon
to using the requsite hwmod CONFIG_DEBUG_OMAPxUARTy FLAGS.

On DRA7 though, we seem to be missing this flag, and atleast on the DRA7 EVM
where we use uart1 for console, boot fails with DEBUG_LL enabled.

Reported-by: Lokesh Vutla <lokeshvutla@ti.com>
Tested-by:  Lokesh Vutla <lokeshvutla@ti.com> # on a different base
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Fixes: 7dedd34694 ("ARM: OMAP2+: hwmod: Fix a crash in _setup_reset() with DEBUG_LL")
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-12-25 21:12:29 -07:00
Kevin Hilman
490b929d42 Merge branch 'efm32/soc' into next/soc
From Uwe Kleine-König:
* efm32/soc: (1003 commits)
  ARM: device trees for Energy Micro's EFM32 Cortex-M3 SoCs
  ARM: new platform for Energy Micro's EFM32 Cortex-M3 SoCs
  +Linux 3.13-rc4

Signed-off-by: Kevin Hilman <khilman@linaro.org>
2013-12-20 08:59:30 -08:00
Uwe Kleine-König
79f08d9ed2 ARM: drop <mach/timex.h> for !ARCH_MULTIPLATFORM, too
While <mach/timex.h> isn't used for multi-platform builds since long it
still is for "normal" builds. As the previous patches fix all sites to
not make use of this per-platform file, it can go now for good also for
platforms that are not (yet) converted to multi-platform.

While at it there are no users of CLOCK_TICK_RATE any more, so also drop
the dummy #define.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
2013-12-20 17:17:16 +01:00
Tony Lindgren
0f0cfc6954 ARM: dts: Add support for sbc-3xxx with cm-t3730
This adds support for CompuLab SBC-T3530, also known as cm-t3730:

http://compulab.co.il/products/sbcs/sbc-t3530/

It seems that with the sbc-3xxx mainboard is also used on
SBC-T3517 and SBC-T3730 with just a different CPU module:

http://compulab.co.il/products/sbcs/sbc-t3517/
http://compulab.co.il/products/sbcs/sbc-t3730/

So let's add a common omap3-sb-t35.dtsi and then separate SoC
specific omap3-sbc-t3730.dts, omap3-sbc-t3530.dts and
omap3-sbc-t3517.dts.

I've tested this with SBC-T3730 as that's the only one I have.
At least serial, both Ethernet controllers, MMC, and wl12xx WLAN
work.

Note that WLAN seems to be different for SBC-T3530. And SBC-T3517
may need some changes for the EMAC Ethernet if that's used
instead of the smsc911x.

Cc: devicetree@vger.kernel.org
Cc: Mike Rapoport <mike@compulab.co.il>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-12-18 13:13:21 -08:00
Dinesh Ram
cc6d618fdf [media] si4713: move supply list to si4713_platform_data
The supply list is needed by the platform driver, but not by the usb driver.
So this information belongs to the platform data and should not be hardcoded
in the subdevice driver.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Tested-by: Eduardo Valentin <edubezval@gmail.com>
Acked-by: Eduardo Valentin <edubezval@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2013-12-18 06:40:07 -02:00
Tomi Valkeinen
130f769e81 Revert "ARM: OMAP2+: Remove legacy mux code for display.c"
Commit e30b06f4d5 (ARM: OMAP2+: Remove
legacy mux code for display.c) removed non-DT DSI and HDMI pinmuxing.
However, DSI pinmuxing is still needed, and removing that caused DSI
displays not to work.

This reverts the DSI parts of the commit.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-12-17 16:28:34 -08:00
Russell King
2e2c9de207 ARM: add permission annotations to MT_MEMORY* mapping types
Document the permissions which the various MT_MEMORY* mapping types
will provide.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-12-11 09:53:14 +00:00
Nishanth Menon
f5c33b070d ARM: OMAP2+: omap_device: add fail hook for runtime_pm when bad data is detected
Due to the cross dependencies between hwmod for automanaged device
information for OMAP and dts node definitions, we can run into scenarios
where the dts node is defined, however it's hwmod entry is yet to be
added. In these cases:
a) omap_device does not register a pm_domain (since it cannot find
   hwmod entry).
b) driver does not know about (a), does a pm_runtime_get_sync which
   never fails
c) It then tries to do some operation on the device (such as read the
  revision register (as part of probe) without clock or adequate OMAP
  generic PM operation performed for enabling the module.

This causes a crash such as that reported in:
https://bugzilla.kernel.org/show_bug.cgi?id=66441

When 'ti,hwmod' is provided in dt node, it is expected that the device
will not function without the OMAP's power automanagement. Hence, when
we hit a fail condition (due to hwmod entries not present or other
similar scenario), fail at pm_domain level due to lack of data, provide
enough information for it to be fixed, however, it allows for the driver
to take appropriate measures to prevent crash.

Reported-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Signed-off-by: Nishanth Menon <nm@ti.com>
Acked-by: Kevin Hilman <khilman@linaro.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
2013-12-10 09:39:52 -08:00
Kevin Hilman
3daf65c0ed ARM: OMAP2+: hwmod code/data: fixes for v3.13-rc
Fix a few hwmod code problems involving recovery with bad data and bad
 IP block OCP reset handling.  Also, fix the hwmod data to enable IP
 block OCP reset for the OMAP USBHOST devices on OMAP3+.
 
 Basic build, boot, and PM tests are available here:
 
 http://www.pwsan.com/omap/testlogs/prcm_fixes_a_v3.13-rc/20131209030611/
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Merge tag 'for-v3.13-rc/hwmod-fixes-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into fixes

From Paul Walmsley:
ARM: OMAP2+: hwmod code/data: fixes for v3.13-rc

Fix a few hwmod code problems involving recovery with bad data and bad
IP block OCP reset handling.  Also, fix the hwmod data to enable IP
block OCP reset for the OMAP USBHOST devices on OMAP3+.

Basic build, boot, and PM tests are available here:

http://www.pwsan.com/omap/testlogs/prcm_fixes_a_v3.13-rc/20131209030611/

* tag 'for-v3.13-rc/hwmod-fixes-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending:
  ARM: OMAP2+: hwmod: Fix usage of invalid iclk / oclk when clock node is not present
  ARM: OMAP3: hwmod data: Don't prevent RESET of USB Host module
  ARM: OMAP2+: hwmod: Fix SOFTRESET logic
  ARM: OMAP4+: hwmod data: Don't prevent RESET of USB Host module

Signed-off-by: Kevin Hilman <khilman@linaro.org>
2013-12-10 07:44:48 -08:00
Nishanth Menon
0e7dc862cf ARM: OMAP2+: hwmod: Fix usage of invalid iclk / oclk when clock node is not present
commit dc75925d(OMAP: hwmod: Fix the missing braces) introduced
missing braces, however, we just set return result if clk_get fail
and we populate the error pointer in clk pointer and pass it along to
clk_prepare. This is wrong. The intent seems to be retry remaining
clocks if they are available and warn the ones we cant find clks for.

With the current logic, we see the following crash:
omap_hwmod: l3_main: cannot clk_get interface_clk emac_ick
Unable to handle kernel NULL pointer dereference at virtual address 00000032
pgd = c0004000
[00000032] *pgd=00000000
Internal error: Oops: 5 [#1] SMP ARM
Modules linked in:
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.13.0-rc1-00044-gcc9fd5a-dirty #19
task: ce0c3440 ti: ce0c4000 task.ti: ce0c4000
PC is at __clk_prepare+0x10/0x74
LR is at clk_prepare+0x14/0x24
  <snip>
[<c044d59c>] (__clk_prepare+0x10/0x74) from [<c044d9b0>] (clk_prepare+0x14/0x24)
[<c044d9b0>] (clk_prepare+0x14/0x24) from [<c077d8c4>] (_init+0x24c/0x3bc)
[<c077d8c4>] (_init+0x24c/0x3bc) from [<c0027328>] (omap_hwmod_for_each+0x34/0x5c)
[<c0027328>] (omap_hwmod_for_each+0x34/0x5c) from [<c077dfa0>] (__omap_hwmod_setup_all+0x24/0x40)
[<c077dfa0>] (__omap_hwmod_setup_all+0x24/0x40) from [<c0008928>] (do_one_initcall+0x38/0x168)
[<c0008928>] (do_one_initcall+0x38/0x168) from [<c0771be8>] (kernel_init_freeable+0xfc/0x1cc)
[<c0771be8>] (kernel_init_freeable+0xfc/0x1cc) from [<c0521064>] (kernel_init+0x8/0x110)
[<c0521064>] (kernel_init+0x8/0x110) from [<c000e568>] (ret_from_fork+0x14/0x2c)
Code: e92d4038 e2504000 01a05004 0a000005 (e5943034)

So, just warn and continue instead of proceeding and crashing, with
missing clock nodes/bad data, we will eventually fail, however we
should now have enough information to identify the culprit.

Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-12-09 11:51:30 -07:00
Roger Quadros
7f4d3641e2 ARM: OMAP3: hwmod data: Don't prevent RESET of USB Host module
Unlike what the comment states, errata i660 does not state that we
can't RESET the USB host module. Instead it states that RESET is the
only way to recover from a deadlock situation.

RESET ensures that the module is in a known good state irrespective
of what bootloader does with the module, so it must be done at boot.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Tested-by: Tomi Valkeinen <tomi.valkeinen@ti.com> # Panda, BeagleXM
Fixes: de231388cb ("ARM: OMAP: USB: EHCI and OHCI hwmod structures for OMAP3")
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-12-09 11:51:29 -07:00
Roger Quadros
313a76ee11 ARM: OMAP2+: hwmod: Fix SOFTRESET logic
In _ocp_softreset(), after _set_softreset() + write_sysconfig(),
the hwmod's sysc_cache will always contain SOFTRESET bit set
so all further writes to sysconfig using this cache will initiate
a repeated SOFTRESET e.g. enable_sysc(). This is true for OMAP3 like
platforms that have RESET_DONE status in the SYSSTATUS register and
so the the SOFTRESET bit in SYSCONFIG is not automatically cleared.
It is not a problem for OMAP4 like platforms that indicate RESET
completion by clearing the SOFTRESET bit in the SYSCONFIG register.

This repeated SOFTRESET is undesired and was the root cause of
USB host issues on OMAP3 platforms when hwmod was allowed to do the
SOFTRESET for the USB Host module.

To fix this we clear the SOFTRESET bit and update the sysconfig
register + sysc_cache using write_sysconfig().

Signed-off-by: Roger Quadros <rogerq@ti.com>
Tested-by: Tomi Valkeinen <tomi.valkeinen@ti.com> # Panda, BeagleXM
[paul@pwsan.com: renamed _clr_softreset() to _clear_softreset()]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-12-09 11:51:08 -07:00
Roger Quadros
b483a4a5a7 ARM: OMAP4+: hwmod data: Don't prevent RESET of USB Host module
Without this, the USB devices are sometimes not detected on OMAP4 Panda
with u-boot v2013.10.

Unlike what the comment states, errata i660 does not state that we
can't RESET the USB host module. Instead it states that RESET is the
only way to recover from a deadlock situation.

RESET ensures that the module is in a known good state irrespective
of what bootloader does with the module, so it must be done at boot.

Reported-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Tested-by: Tomi Valkeinen <tomi.valkeinen@ti.com> # Panda, BeagleXM
Acked-by: Benoît Cousson <bcousson@baylibre.com>
Fixes: af88fa9aa7 ("ARM: OMAP: USB: EHCI and OHCI hwmod structures for OMAP4")
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-12-09 03:02:33 -07:00
Tony Lindgren
7190031446 ARM: OMAP2+: Use pdata quirks for emac on am3517
As the emac uses the system control module registers for
reset and interrupts, we need to pass those in the platform
data until we have a separate system control module driver.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-12-08 14:15:46 -08:00
Tony Lindgren
dad12d1138 ARM: OMAP2+: Add support for legacy auxdata for twl
As we currently need to support a mix of legacy platform data and
device tree intialized data, let's make sure things keep working
for the TWL GPIOs.

Mostly the issue is caused by the fact that DSS does not yet have
device tree bindings, so we need to rely on the TWL GPIO callback
for setting up things like LCD backlight for some boards.

As of_platform_populate() for the TWL GPIO is called by twl-core
after the I2C bus has been initialized, we cannot pass the auxdata
table from the board init code to twl-core like we used to with
just legacy platform data.

So let's use the omap_device bus hook to patch in the platform
data for TWL GPIO until we have sorted out the issues with the
TWL GPIOs and device tree bindings.

The other option was be to initialize twl core using legacy
platform data, which seems like a step backwards as we're moving
to device tree only initialization.  And we really don't want to
add custom configuration functions to the TWL GPIO driver either
for this.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-12-08 14:15:46 -08:00
Tony Lindgren
841af81f7a Merge branch 'omap-for-v3.14/board-removal' into omap-for-v3.14/omap3-board-removal 2013-12-08 14:15:35 -08:00
Nishanth Menon
caef4ee8fb ARM: OMAP2+: Fix the machine entry for am3517
The am3517 is wrongly booting as omap3 which means that the am3517
specific devices like Ethernet won't work when booted with device
tree. Now with the new devices defined in am3517.dtsi, let's use
that instead of the omap3.dtsi, and add a separate machine entry
for am3517 so am3517-evm can use it.

Signed-off-by: Nishanth Menon <nm@ti.com>
[tony@atomide.com: updated comments and fixed build without omap3]
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-12-06 14:20:17 -08:00
Tony Lindgren
5e863c5610 ARM: OMAP2+: Fix overwriting hwmod data with data from device tree
We have some device tree properties where the ti,hwmod have multiple
values:

am33xx.dtsi:	ti,hwmods = "tpcc", "tptc0", "tptc1", "tptc2";
am4372.dtsi:	ti,hwmods = "tpcc", "tptc0", "tptc1", "tptc2";
dra7.dtsi:	ti,hwmods = "l3_main_1", "l3_main_2";
omap3.dtsi:	ti,hwmods = "mcbsp2", "mcbsp2_sidetone";
omap3.dtsi:	ti,hwmods = "mcbsp3", "mcbsp3_sidetone";
omap4.dtsi:	ti,hwmods = "l3_main_1", "l3_main_2", "l3_main_3";
omap5.dtsi:	ti,hwmods = "l3_main_1", "l3_main_2", "l3_main_3";

That's not correct way of doing things in this case because these are
separate devices with their own address space, interrupts, SYSCONFIG
registers and can set their PM states independently.

So they should all be fixed up to be separate devices in the .dts files.

We also have the related data removed for at least omap4 in commit
3b9b10151c (ARM: OMAP4: hwmod data: Clean up the data file), so
that data is wrongly initialized as null data.

So we need to fix two bugs:

1. We are only checking the first entry of the ti,hwmods property

   This means that we're only initializing the first hwmods entry
   instead of the ones listed in the ti,hwmods property.

2. We are only checking the child nodes, not the nodes themselves

   This means that anything listed at OCP level is currently just
   ignored and unitialized and at least the omap4 case, with the
   legacy data missing from the hwmod.

Fix both of the issues by using an index to the ti,hwmods property
and changing the hwmod lookup function to also check the current node
for ti,hwmods property instead of just the children.

While at it, let's also add some warnings for the bad data so it's
easier to fix.

Cc: "Benoît Cousson" <bcousson@baylibre.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-12-06 14:20:16 -08:00
Kevin Hilman
b8969ef5cf Merge branch 'soc/sched_clock' into next/soc
From Stephen Boyd:
* soc/sched_clock:
  ARM: versatile: Switch to sched_clock_register()
  ARM: orion: Switch to sched_clock_register()
  ARM: OMAP: Switch to sched_clock_register()
  ARM: iop: Switch to sched_clock_register()
  ARM: u300: Switch to sched_clock_register()
  ARM: sa1100: Switch to sched_clock_register()
  ARM: pxa: Switch to sched_clock_register()
  ARM: OMAP2+: Switch to sched_clock_register()
  ARM: OMAP1: Switch to sched_clock_register()
  ARM: msm: Switch to sched_clock_register()
  ARM: mmp: Switch to sched_clock_register()
  ARM: IXP4xx: Switch to sched_clock_register()
  ARM: integrator: Switch to sched_clock_register()
  ARM: imx: Switch to sched_clock_register()
  ARM: davinci: Switch to sched_clock_register()
  ARM: clps711x: Switch to sched_clock_register()
  ARM: timer-sp: Switch to sched_clock_register()

Signed-off-by: Kevin Hilman <khilman@linaro.org>
2013-12-06 08:05:55 -08:00
Olof Johansson
82cca5dace Merge tag 'omap-for-v3.13/more-dt-regressions' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
From Tony Lindgren:

Few more legacy booting vs device tree booting fixes that people
have noticed while booting things with device tree for things like
omap4 WLAN, smsc911x, and beagle audio. Hopefully this will be it
for the legacy booting vs device tree fixes for this -rc cycle.

* tag 'omap-for-v3.13/more-dt-regressions' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: dts: Fix the name of supplies for smsc911x shared by OMAP
  ARM: OMAP2+: Powerdomain: Fix unchecked dereference of arch_pwrdm
  ARM: dts: omap3-beagle: Add omap-twl4030 audio support
  ARM: dts: omap4-sdp: Fix pin muxing for wl12xx
  ARM: dts: omap4-panda-common: Fix pin muxing for wl12xx
2013-12-03 12:39:12 -08:00
Olof Johansson
b8be3a2279 Merge tag 'omap-for-v3.13/fixes-against-rc1-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
From Tony Lindgren:

Some omap related fixes that have come up with people moving to device
tree only based booting for omap2+.

The series contains a handful of fixes for the igep boards as they were
one of the first omap3 boards to jump over completely to device tree
based booting. So these can be considered regressions compared to
booting igep in legacy mode with board files in v3.12.

Also included are few other device tree vs legacy booting regressions:

- yet more missing omap3 .dtsi entries that have showed up booting
  various boards with device tree only

- n900 eMMC device tree fix

- fixes for beagle USB EHCI

- two fixes to make omap2420 MMC work

As we're moving omap2+ to be device tree only for v3.14, I'd like to
have v3.13 work equally well for legacy based booting and device tree
based booting. So there will be likely few more device tree related
booting patches trickling in.

This series also includes a regression fix for the omap timer posted
mode that may wrongly stay on from the bootloader for some SoCs.

* tag 'omap-for-v3.13/fixes-against-rc1-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  mmc: omap: Fix I2C dependency and make driver usable with device tree
  mmc: omap: Fix DMA configuration to not rely on device id
  ARM: dts: omap3-beagle: Fix USB host on beagle boards (for 3.13)
  ARM: dts: omap3-igep0020: name twl4030 VPLL2 regulator as vdds_dsi
  ARM: dts: AM33XX IGEP0033: add USB support
  ARM: dts: AM33XX BASE0033: add 32KBit EEPROM support
  ARM: dts: AM33XX BASE0033: add pinmux and user led support
  ARM: dts: AM33XX BASE0033: add pinmux and hdmi node to enable display
  ARM: dts: omap3-igep0020: Add pinmuxing for DVI output
  ARM: dts: omap3-igep0020: Add pinmux setup for i2c devices
  ARM: dts: omap3-igep: Update to use the TI AM/DM37x processor
  ARM: dts: omap3-igep: Add support for LBEE1USJYC WiFi connected to SDIO
  ARM: dts: omap3-igep: Fix bus-width for mmc1
  ARM: OMAP2+: dss-common: change IGEP's DVI DDC i2c bus
  ARM: OMAP2+: Disable POSTED mode for errata i103 and i767
  ARM: OMAP2+: Fix eMMC on n900 with device tree
  ARM: OMAP2+: Add fixed regulator to omap2plus_defconfig
  ARM: OMAP2+: Fix more missing data for omap3.dtsi file

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-12-03 12:39:08 -08:00
Rajendra Nayak
1cfc4bdd51 ARM: OMAP2+: Powerdomain: Fix unchecked dereference of arch_pwrdm
Commit 'cd8abed' "ARM: OMAP2+: Powerdomain: Remove the need to
always have a voltdm associated to a pwrdm" leads to the following
Smatch complaint:

arch/arm/mach-omap2/powerdomain.c:131 _pwrdm_register()
	 error: we previously assumed 'arch_pwrdm' could be null (see line 105)

So, fix the unchecked dereference of arch_pwrdm.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-12-02 11:38:14 -08:00
Javier Martinez Canillas
11d3a7d6d4 ARM: OMAP2+: dss-common: change IGEP's DVI DDC i2c bus
IGEP's DVI connector's DDC pins are connected to OMAP's third i2c bus.

When booting with Device Trees the requested bus number is set to -1
which means that the bus number should be dynamically assigned. So the
third i2c bus has 2 has a bus number.

Since now only DT booting is supported for IGEP boards after commit
06ff74fd ("ARM: OMAP2+: remove legacy support for IGEP boards"), the
i2c bus number has to be changed.

Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-11-26 15:03:36 -08:00
Aaro Koskinen
218077a3c0 ARM: OMAP2+: dts: add n8x0 onenand
Convert onenand to DT on n8x0 boards.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-11-25 15:38:09 -08:00
Tony Lindgren
b05ef2159d ARM: OMAP2+: Remove legacy hwmod entries for omap2
These now come from device tree except for DSS and DMA that
still uses hwmod to initialize. That will get fixed when we
DSS gets device tree bindings and we move completely to the
dmaengine API.

Cc: Paul Walmsley <paul@pwsan.com>
[tony@atomide.com: updated to add trailing commas to structs]
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-11-25 15:31:18 -08:00
Tony Lindgren
d6db0e7fa1 ARM: OMAP2+: Remove legacy mux code for omap2
This is no longer needed as pins can be muxed using
pinctrl-single.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-11-25 15:31:18 -08:00
Tony Lindgren
23324cc902 ARM: OMAP2+: Remove legacy board file for 2430sdp
We can now boot with device tree and appended DTB
with basic devices working. If people are still using
this board, patches are welcome to add more complete
support.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-11-25 15:31:17 -08:00
Tony Lindgren
54ea18e886 ARM: OMAP2+: Remove board file for H4
The old 2420 based H4 is probably not used at all as 2420
was Nokia specific SoC. I have one, but I'm not using it because
of it's large size, and I doubt anybody else is using it either.

We do have minimal omap2420-h4.dts in place, so if anybody wants
more support on H4, patches are welcome.

So let's just remove it as that helps us making mach-omap2 to
be device tree only.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-11-25 15:31:17 -08:00
Tony Lindgren
5a87cde490 ARM: OMAP2+: Remove legacy booting support for n8x0
Now we can boot n8x with the appended device tree with:

$ ARCH=arm CROSS_COMPILE=/usr/bin/arm-linux-gnueabi- make omap2420-n800.dtb
$ cat arch/arm/boot/zImage arch/arm/boot/dts/omap2420-n800.dtb > /tmp/zImage

Note that you need at least the following enabled:

CONFIG_ARM_APPENDED_DTB=y
CONFIG_ARM_ATAG_DTB_COMPAT=y
CONFIG_ARM_ATAG_DTB_COMPAT_CMDLINE_FROM_BOOTLOADER=y
CONFIG_PINCTRL=y
CONFIG_PINCTRL_SINGLE=y

Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-11-25 15:31:17 -08:00
Tony Lindgren
fa590c9234 ARM: OMAP2+: Add quirks support for n8x0
This allows us to keep things working when booted with
device tree. Note that we still need to initialize most
things with platform data as the drivers are lacking
support for device tree.

Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-11-25 15:31:17 -08:00
Tony Lindgren
810ac2a110 ARM: OMAP2+: Make n8x0 behave better with device tree based booting
Initialize some devices using a late_initcall and test for
the device tree based booting for some devices.

This way we can keep things working for legacy platform
devices when booted with device tree.

Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-11-25 15:31:17 -08:00
Tony Lindgren
c8f27e9773 ARM: OMAP2+: Add device tree compatible revision checks for n8x0
This allows us to initialize the legacy devices when booted
with device tree.

Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-11-25 15:31:16 -08:00
Tony Lindgren
036582f76a ARM: OMAP2+: Add support for board specific auxdata quirks
Looks like some boards need to fill in the auxdata before
we call of_platform_populate(). Let's add support for
auxdata quirks like we already have for pdata quirks for
legacy drivers.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-11-25 15:31:16 -08:00
Tony Lindgren
6310f3a936 Merge branch 'dt-regressions' into omap-for-v3.13/fixes-take4 2013-11-25 14:47:27 -08:00
Tony Lindgren
edd5eb4e99 ARM: OMAP2+: Fix eMMC on n900 with device tree
Looks like we need to configure the regulators and use the pdata
quirk to make eMMC work with device tree.

It seems that mostly vaux3 is used, and only some earlier revisions
used vmmc2. This has been tested to work on devices where the
system_rev passed by the bootloader has versions 0x0010, 0x2101
and 0x2204.

Cc: devicetree@vger.kernel.org
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Sebastian Reichel <sre@debian.org>
[tony@atomide.com: updated with pinctrl changes and comments from Sebastian]
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-11-25 14:23:45 -08:00
Olof Johansson
5c1f34c42d Merge tag 'omap-for-v3.13/more-fixes-for-merge-window-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
From Tony Lindgren:
Few more fixes for issues found booting older omaps using device tree.
Also few randconfig build fixes and removal of some dead code for omap4
as it no longer has legacy platform data based booting support.

* tag 'omap-for-v3.13/more-fixes-for-merge-window-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: Remove legacy omap4_twl6030_hsmmc_init
  ARM: OMAP2+: Remove legacy mux code for display.c
  ARM: OMAP2+: Fix undefined reference to set_cntfreq
  gpio: twl4030: Fix passing of pdata in the device tree case
  gpio: twl4030: Fix regression for twl gpio output
  ARM: OMAP2+: More randconfig fixes for reconfigure_io_chain
  ARM: dts: Fix omap2 specific dtsi files by adding the missing entries
  ARM: OMAP2+: Fix GPMC and simplify bootloader timings for 8250 and smc91x
  i2c: omap: Fix missing device tree flags for omap2
2013-11-25 13:34:49 -08:00
Olof Johansson
6dd1e35737 ARM: omap: fix warning with LPAE build
Some omap3 code is throwing a warning:
arch/arm/mach-omap2/pm34xx.c: In function 'omap3_save_secure_ram_context':
arch/arm/mach-omap2/pm34xx.c:123:32: warning: cast to pointer from
  integer of different size [-Wint-to-pointer-cast]

In reality this code will never actually execute with LPAE=y, since
Cortex-A8 doesn't support it. So downcasting the __pa() is safe in
this case.

Signed-off-by: Olof Johansson <olof@lixom.net>
Acked-by: Tony Lindgren <tony@atomide.com>
2013-11-25 13:34:48 -08:00
Stephen Boyd
f99ba47ccc ARM: OMAP2+: Switch to sched_clock_register()
The 32 bit sched_clock interface now supports 64 bits. Upgrade to
the 64 bit function to allow us to remove the 32 bit registration
interface.

Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Santosh Shilimkar<santosh.shilimkar@ti.com>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
2013-11-21 15:41:00 -08:00
Tony Lindgren
b2ff479061 ARM: OMAP2+: Remove legacy omap4_twl6030_hsmmc_init
This is no longer used, omap4 is device tree based now.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-11-18 16:24:58 -08:00
Tony Lindgren
e30b06f4d5 ARM: OMAP2+: Remove legacy mux code for display.c
This is all omap4 specific, which is device tree based
nowadays and should use pinctrl-single instead.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-11-18 16:24:57 -08:00
Linus Torvalds
13509c3a9d Merge branch 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c changes from Wolfram Sang:
 - new drivers for exynos5, bcm kona, and st micro
 - bigger overhauls for drivers mxs and rcar
 - typical driver bugfixes, cleanups, improvements
 - got rid of the superfluous 'driver' member in i2c_client struct This
   touches a few drivers in other subsystems.  All acked.

* 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (38 commits)
  i2c: bcm-kona: fix error return code in bcm_kona_i2c_probe()
  i2c: i2c-eg20t: do not print error message in syslog if no ACK received
  i2c: bcm-kona: Introduce Broadcom I2C Driver
  i2c: cbus-gpio: Fix device tree binding
  i2c: wmt: add missing clk_disable_unprepare() on error
  i2c: designware: add new ACPI IDs
  i2c: i801: Add Device IDs for Intel Wildcat Point-LP PCH
  i2c: exynos5: Remove incorrect clk_disable_unprepare
  i2c: i2c-st: Add ST I2C controller
  i2c: exynos5: add High Speed I2C controller driver
  i2c: rcar: fixup rcar type naming
  i2c: scmi: remove some bogus NULL checks
  i2c: sh_mobile & rcar: Enable the driver on all ARM platforms
  i2c: sh_mobile: Convert to clk_prepare/unprepare
  i2c: mux: gpio: use reg value for i2c_add_mux_adapter
  i2c: mux: gpio: use gpio_set_value_cansleep()
  i2c: Include linux/of.h header
  i2c: mxs: Fix PIO mode on i.MX23
  i2c: mxs: Rework the PIO mode operation
  i2c: mxs: distinguish i.MX23 and i.MX28 based I2C controller
  ...
2013-11-18 15:50:07 -08:00
Tony Lindgren
39cec62229 ARM: OMAP2+: Fix undefined reference to set_cntfreq
If CONFIG_SOC_HAS_REALTIME_COUNTER is not selected for omap5
or dra7xx, we can get the following error:

arch/arm/mach-omap2/built-in.o: In function `omap4_secondary_init':
:(.text+0x7ab0): undefined reference to `set_cntfreq'

Fix the issue by not trying to initalize the realtime counter
unles CONFIG_SOC_HAS_REALTIME_COUNTER is selected.

Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-11-18 15:33:16 -08:00
Tony Lindgren
cae26f3113 ARM: OMAP2+: More randconfig fixes for reconfigure_io_chain
Commit 26273e02a0 (ARM: OMAP2+: Fix build for dra7xx without
omap4 and 5) attempted to fix randconfig found errors for
redefinition of omap44xx_prm_reconfigure_io_chain, but was
not enough.

We need to check for AM43XX without any omap4 or 5 related
SoCs as well. And looks like we have prm44xx.o built always
anyways with omap-4-5-prcm-common because of the calls to
omap4_prm_vp_clear_txdone, so we can remove the duplicate
entries in the Makefile.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-11-18 11:03:37 -08:00
Linus Torvalds
71f777ed50 ARM: SoC fixes for 3.13 merge window
A first set of batches of fixes for 3.13. The diffstat is large mostly
 because we're adding a defconfig for a family that's been lacking it, and
 there's some missing clock information added for i.MX and OMAP.
 
 The at91 new code is around dealing with RTC/RTT reset at boot to fix possible
 hangs due to pending wakeup interrupts coming in during early boot.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "A first set of batches of fixes for 3.13.  The diffstat is large
  mostly because we're adding a defconfig for a family that's been
  lacking it, and there's some missing clock information added for i.MX
  and OMAP.

  The at91 new code is around dealing with RTC/RTT reset at boot to fix
  possible hangs due to pending wakeup interrupts coming in during early
  boot"

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (29 commits)
  ARM: OMAP2+: Fix build for dra7xx without omap4 and 5
  ARM: OMAP2+: omap_device: maintain sane runtime pm status around suspend/resume
  doc: devicetree: Add bindings documentation for omap-des driver
  ARM: dts: doc: Document missing compatible property for omap-sham driver
  ARM: OMAP3: Beagle: fix return value check in beagle_opp_init()
  ARM: at91: fix hanged boot due to early rtt-interrupt
  ARM: at91: fix hanged boot due to early rtc-interrupt
  video: exynos_mipi_dsim: Remove unused variable
  ARM: highbank: only select errata 764369 if SMP
  ARM: sti: only select errata 764369 if SMP
  ARM: tegra: init fuse before setting reset handler
  ARM: vt8500: add defconfig for v6/v7 chips
  ARM: integrator_cp: Set LCD{0,1} enable lines when turning on CLCD
  ARM: OMAP: devicetree: fix SPI node compatible property syntax items
  pinctrl: single: call pcs_soc->rearm() whenever IRQ mask is changed
  ARM: OMAP2+: smsc911x: fix return value check in gpmc_smsc911x_init()
  MAINTAINERS: drop discontinued mailing list
  ARM: dts: i.MX51: Fix OTG PHY clock
  ARM: imx: set up pllv3 POWER and BYPASS sequentially
  ARM: imx: pllv3 needs relock in .set_rate() call
  ...
2013-11-16 12:45:55 -08:00
Tony Lindgren
fd4446f25e ARM: OMAP2+: Fix GPMC and simplify bootloader timings for 8250 and smc91x
Commit f2bf0e72d0 (ARM: OMAP2+: Add minimal 8250 support
for GPMC) added support for using bootloader timings for some
devices. Turns out we can do the same by looking at the compatible
flags of the child without adding a new function as smc91x has
a similar issue as 8250 with the bootloader timings.

And let's fix the 8250 naming, we should use the device type as
the name like uart instead of 8250 for zoom dts file.

Cc: "Benoît Cousson" <bcousson@baylibre.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-11-15 14:33:26 -08:00
Tony Lindgren
26273e02a0 ARM: OMAP2+: Fix build for dra7xx without omap4 and 5
Otherwise we can get errors like:

arch/arm/mach-omap2/prm44xx.c:274: error: redefinition of ‘omap44xx_prm_reconfigure_io_chain’
arch/arm/mach-omap2/built-in.o: In function `default_finish_suspend':
arch/arm/mach-omap2/omap-mpuss-lowpower.c:95: undefined reference to `omap_do_wfi'

Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-11-15 08:27:29 -08:00
Nishanth Menon
3522bf7bfa ARM: OMAP2+: omap_device: maintain sane runtime pm status around suspend/resume
OMAP device hooks around suspend|resume_noirq ensures that hwmod
devices are forced to idle using omap_device_idle/enable as part of
the last stage of suspend activity.

For a device such as i2c who uses autosuspend, it is possible to enter
the suspend path with dev->power.runtime_status = RPM_ACTIVE.

As part of the suspend flow, the generic runtime logic would increment
it's dev->power.disable_depth to 1. This should prevent further
pm_runtime_get_sync from succeeding once the runtime_status has been
set to RPM_SUSPENDED.

Now, as part of the suspend_noirq handler in omap_device, we force the
following: if the device status is !suspended, we force the device
to idle using omap_device_idle (clocks are cut etc..). This ensures
that from a hardware perspective, the device is "suspended". However,
runtime_status is left to be active.

*if* an operation is attempted after this point to
pm_runtime_get_sync, runtime framework depends on runtime_status to
indicate accurately the device status, and since it sees it to be
ACTIVE, it assumes the module is functional and returns a non-error
value. As a result the user will see pm_runtime_get succeed, however a
register access will crash due to the lack of clocks.

To prevent this from happening, we should ensure that runtime_status
exactly indicates the device status. As a result of this change
any further calls to pm_runtime_get* would return -EACCES (since
disable_depth is 1). On resume, we restore the clocks and runtime
status exactly as we suspended with. These operations are not expected
to fail as we update the states after the core runtime framework has
suspended itself and restore before the core runtime framework has
resumed.

Cc: stable@vger.kernel.org # v3.4+
Reported-by: J Keerthy <j-keerthy@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Acked-by: Rajendra Nayak <rnayak@ti.com>
Acked-by: Kevin Hilman <khilman@linaro.org>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-11-15 07:38:14 -08:00
Wei Yongjun
c27f2de754 ARM: OMAP3: Beagle: fix return value check in beagle_opp_init()
In case of error, the function get_cpu_device() returns NULL pointer
not ERR_PTR(). The IS_ERR() test in the return value check should be
replaced with NULL test.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-11-15 07:38:14 -08:00
Wei Yongjun
30e3488cbf ARM: OMAP2+: smsc911x: fix return value check in gpmc_smsc911x_init()
In case of error, the function platform_device_register_resndata()
returns ERR_PTR() and never returns NULL. The NULL test in the return
value check should be replaced with IS_ERR().

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-11-14 10:40:36 -08:00
Tony Lindgren
b357787e74 Several OMAP2+ DSS-related clock fixes for v3.13 from Tomi Valkeinen.
Basic test logs at:
 
    http://www.pwsan.com/omap/testlogs/clock_fixes_v3.13/20131024090906/
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Merge tag 'for-v3.13/clock-fixes-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into xxx-dt

Several OMAP2+ DSS-related clock fixes for v3.13 from Tomi Valkeinen.

Basic test logs at:

   http://www.pwsan.com/omap/testlogs/clock_fixes_v3.13/20131024090906/
2013-11-14 10:38:43 -08:00
Linus Torvalds
f9300eaaac ACPI and power management updates for 3.13-rc1
- New power capping framework and the the Intel Running Average Power
    Limit (RAPL) driver using it from Srinivas Pandruvada and Jacob Pan.
 
  - Addition of the in-kernel switching feature to the arm_big_little
    cpufreq driver from Viresh Kumar and Nicolas Pitre.
 
  - cpufreq support for iMac G5 from Aaro Koskinen.
 
  - Baytrail processors support for intel_pstate from Dirk Brandewie.
 
  - cpufreq support for Midway/ECX-2000 from Mark Langsdorf.
 
  - ARM vexpress/TC2 cpufreq support from Sudeep KarkadaNagesha.
 
  - ACPI power management support for the I2C and SPI bus types from
    Mika Westerberg and Lv Zheng.
 
  - cpufreq core fixes and cleanups from Viresh Kumar, Srivatsa S Bhat,
    Stratos Karafotis, Xiaoguang Chen, Lan Tianyu.
 
  - cpufreq drivers updates (mostly fixes and cleanups) from Viresh Kumar,
    Aaro Koskinen, Jungseok Lee, Sudeep KarkadaNagesha, Lukasz Majewski,
    Manish Badarkhe, Hans-Christian Egtvedt, Evgeny Kapaev.
 
  - intel_pstate updates from Dirk Brandewie and Adrian Huang.
 
  - ACPICA update to version 20130927 includig fixes and cleanups and
    some reduction of divergences between the ACPICA code in the kernel
    and ACPICA upstream in order to improve the automatic ACPICA patch
    generation process.  From Bob Moore, Lv Zheng, Tomasz Nowicki,
    Naresh Bhat, Bjorn Helgaas, David E Box.
 
  - ACPI IPMI driver fixes and cleanups from Lv Zheng.
 
  - ACPI hotplug fixes and cleanups from Bjorn Helgaas, Toshi Kani,
    Zhang Yanfei, Rafael J Wysocki.
 
  - Conversion of the ACPI AC driver to the platform bus type and
    multiple driver fixes and cleanups related to ACPI from Zhang Rui.
 
  - ACPI processor driver fixes and cleanups from Hanjun Guo, Jiang Liu,
    Bartlomiej Zolnierkiewicz, Mathieu Rhéaume, Rafael J Wysocki.
 
  - Fixes and cleanups and new blacklist entries related to the ACPI
    video support from Aaron Lu, Felipe Contreras, Lennart Poettering,
    Kirill Tkhai.
 
  - cpuidle core cleanups from Viresh Kumar and Lorenzo Pieralisi.
 
  - cpuidle drivers fixes and cleanups from Daniel Lezcano, Jingoo Han,
    Bartlomiej Zolnierkiewicz, Prarit Bhargava.
 
  - devfreq updates from Sachin Kamat, Dan Carpenter, Manish Badarkhe.
 
  - Operation Performance Points (OPP) core updates from Nishanth Menon.
 
  - Runtime power management core fix from Rafael J Wysocki and update
    from Ulf Hansson.
 
  - Hibernation fixes from Aaron Lu and Rafael J Wysocki.
 
  - Device suspend/resume lockup detection mechanism from Benoit Goby.
 
  - Removal of unused proc directories created for various ACPI drivers
    from Lan Tianyu.
 
  - ACPI LPSS driver fix and new device IDs for the ACPI platform scan
    handler from Heikki Krogerus and Jarkko Nikula.
 
  - New ACPI _OSI blacklist entry for Toshiba NB100 from Levente Kurusa.
 
  - Assorted fixes and cleanups related to ACPI from Andy Shevchenko,
    Al Stone, Bartlomiej Zolnierkiewicz, Colin Ian King, Dan Carpenter,
    Felipe Contreras, Jianguo Wu, Lan Tianyu, Yinghai Lu, Mathias Krause,
    Liu Chuansheng.
 
  - Assorted PM fixes and cleanups from Andy Shevchenko, Thierry Reding,
    Jean-Christophe Plagniol-Villard.
 
 /
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Merge tag 'pm+acpi-3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI and power management updates from Rafael J Wysocki:

 - New power capping framework and the the Intel Running Average Power
   Limit (RAPL) driver using it from Srinivas Pandruvada and Jacob Pan.

 - Addition of the in-kernel switching feature to the arm_big_little
   cpufreq driver from Viresh Kumar and Nicolas Pitre.

 - cpufreq support for iMac G5 from Aaro Koskinen.

 - Baytrail processors support for intel_pstate from Dirk Brandewie.

 - cpufreq support for Midway/ECX-2000 from Mark Langsdorf.

 - ARM vexpress/TC2 cpufreq support from Sudeep KarkadaNagesha.

 - ACPI power management support for the I2C and SPI bus types from Mika
   Westerberg and Lv Zheng.

 - cpufreq core fixes and cleanups from Viresh Kumar, Srivatsa S Bhat,
   Stratos Karafotis, Xiaoguang Chen, Lan Tianyu.

 - cpufreq drivers updates (mostly fixes and cleanups) from Viresh
   Kumar, Aaro Koskinen, Jungseok Lee, Sudeep KarkadaNagesha, Lukasz
   Majewski, Manish Badarkhe, Hans-Christian Egtvedt, Evgeny Kapaev.

 - intel_pstate updates from Dirk Brandewie and Adrian Huang.

 - ACPICA update to version 20130927 includig fixes and cleanups and
   some reduction of divergences between the ACPICA code in the kernel
   and ACPICA upstream in order to improve the automatic ACPICA patch
   generation process.  From Bob Moore, Lv Zheng, Tomasz Nowicki, Naresh
   Bhat, Bjorn Helgaas, David E Box.

 - ACPI IPMI driver fixes and cleanups from Lv Zheng.

 - ACPI hotplug fixes and cleanups from Bjorn Helgaas, Toshi Kani, Zhang
   Yanfei, Rafael J Wysocki.

 - Conversion of the ACPI AC driver to the platform bus type and
   multiple driver fixes and cleanups related to ACPI from Zhang Rui.

 - ACPI processor driver fixes and cleanups from Hanjun Guo, Jiang Liu,
   Bartlomiej Zolnierkiewicz, Mathieu Rhéaume, Rafael J Wysocki.

 - Fixes and cleanups and new blacklist entries related to the ACPI
   video support from Aaron Lu, Felipe Contreras, Lennart Poettering,
   Kirill Tkhai.

 - cpuidle core cleanups from Viresh Kumar and Lorenzo Pieralisi.

 - cpuidle drivers fixes and cleanups from Daniel Lezcano, Jingoo Han,
   Bartlomiej Zolnierkiewicz, Prarit Bhargava.

 - devfreq updates from Sachin Kamat, Dan Carpenter, Manish Badarkhe.

 - Operation Performance Points (OPP) core updates from Nishanth Menon.

 - Runtime power management core fix from Rafael J Wysocki and update
   from Ulf Hansson.

 - Hibernation fixes from Aaron Lu and Rafael J Wysocki.

 - Device suspend/resume lockup detection mechanism from Benoit Goby.

 - Removal of unused proc directories created for various ACPI drivers
   from Lan Tianyu.

 - ACPI LPSS driver fix and new device IDs for the ACPI platform scan
   handler from Heikki Krogerus and Jarkko Nikula.

 - New ACPI _OSI blacklist entry for Toshiba NB100 from Levente Kurusa.

 - Assorted fixes and cleanups related to ACPI from Andy Shevchenko, Al
   Stone, Bartlomiej Zolnierkiewicz, Colin Ian King, Dan Carpenter,
   Felipe Contreras, Jianguo Wu, Lan Tianyu, Yinghai Lu, Mathias Krause,
   Liu Chuansheng.

 - Assorted PM fixes and cleanups from Andy Shevchenko, Thierry Reding,
   Jean-Christophe Plagniol-Villard.

* tag 'pm+acpi-3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (386 commits)
  cpufreq: conservative: fix requested_freq reduction issue
  ACPI / hotplug: Consolidate deferred execution of ACPI hotplug routines
  PM / runtime: Use pm_runtime_put_sync() in __device_release_driver()
  ACPI / event: remove unneeded NULL pointer check
  Revert "ACPI / video: Ignore BIOS initial backlight value for HP 250 G1"
  ACPI / video: Quirk initial backlight level 0
  ACPI / video: Fix initial level validity test
  intel_pstate: skip the driver if ACPI has power mgmt option
  PM / hibernate: Avoid overflow in hibernate_preallocate_memory()
  ACPI / hotplug: Do not execute "insert in progress" _OST
  ACPI / hotplug: Carry out PCI root eject directly
  ACPI / hotplug: Merge device hot-removal routines
  ACPI / hotplug: Make acpi_bus_hot_remove_device() internal
  ACPI / hotplug: Simplify device ejection routines
  ACPI / hotplug: Fix handle_root_bridge_removal()
  ACPI / hotplug: Refuse to hot-remove all objects with disabled hotplug
  ACPI / scan: Start matching drivers after trying scan handlers
  ACPI: Remove acpi_pci_slot_init() headers from internal.h
  ACPI / blacklist: fix name of ThinkPad Edge E530
  PowerCap: Fix build error with option -Werror=format-security
  ...

Conflicts:
	arch/arm/mach-omap2/opp.c
	drivers/Kconfig
	drivers/spi/spi.c
2013-11-14 13:41:48 +09:00
Linus Torvalds
82cb6acea4 MTD merge for 3.13
* Unify some compile-time differences so that we have fewer uses of
    #ifdef CONFIG_OF in atmel_nand
  * Other general cleanups (removing unused functions, options, variables,
    fields; use correct interfaces)
  * Fix BUG() for new odd-sized NAND, which report non-power-of-2 dimensions via
    ONFI
  * Miscellaneous driver fixes (SPI NOR flash; BCM47xx NAND flash; etc.)
  * Improve differentiation between SLC and MLC NAND -- this clarifies an ABI
    issue regarding the MTD "type" (in sysfs and in ioctl(MEMGETINFO)), where
    the MTD_MLCNANDFLASH type was present but inconsistently used
  * Extend GPMI NAND to support multi-chip-select NAND for some platforms
  * Many improvements to the OMAP2/3 NAND driver, including an expanded DT
    binding to bring us closer to mainline support for some OMAP systems
  * Fix a deadlock in the error path of the Atmel NAND driver probe
  * Correct the error codes from MTD mmap() to conform to POSIX and the Linux
    Programmer's Manual. This is an acknowledged change in the MTD ABI, but I
    can't imagine somebody relying on the non-standard -ENOSYS error code
    specifically. Am I just being unimaginative? :)
  * Fix a few important GPMI NAND bugs (one regression from 3.12 and one
    long-standing race condition)
  * More? Read the log!
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Merge tag 'for-linus-20131112' of git://git.infradead.org/linux-mtd

Pull MTD changes from Brian Norris:
 - Unify some compile-time differences so that we have fewer uses of
   #ifdef CONFIG_OF in atmel_nand
 - Other general cleanups (removing unused functions, options,
   variables, fields; use correct interfaces)
 - Fix BUG() for new odd-sized NAND, which report non-power-of-2
   dimensions via ONFI
 - Miscellaneous driver fixes (SPI NOR flash; BCM47xx NAND flash; etc.)
 - Improve differentiation between SLC and MLC NAND -- this clarifies an
   ABI issue regarding the MTD "type" (in sysfs and in the MEMGETINFO
   ioctl), where the MTD_MLCNANDFLASH type was present but
   inconsistently used
 - Extend GPMI NAND to support multi-chip-select NAND for some platforms
 - Many improvements to the OMAP2/3 NAND driver, including an expanded
   DT binding to bring us closer to mainline support for some OMAP
   systems
 - Fix a deadlock in the error path of the Atmel NAND driver probe
 - Correct the error codes from MTD mmap() to conform to POSIX and the
   Linux Programmer's Manual.  This is an acknowledged change in the MTD
   ABI, but I can't imagine somebody relying on the non-standard -ENOSYS
   error code specifically.  Am I just being unimaginative? :)
 - Fix a few important GPMI NAND bugs (one regression from 3.12 and one
   long-standing race condition)
 - More? Read the log!

* tag 'for-linus-20131112' of git://git.infradead.org/linux-mtd: (98 commits)
  mtd: gpmi: fix the NULL pointer
  mtd: gpmi: fix kernel BUG due to racing DMA operations
  mtd: mtdchar: return expected errors on mmap() call
  mtd: gpmi: only scan two chips for imx6
  mtd: gpmi: Use devm_kzalloc()
  mtd: atmel_nand: fix bug driver will in a dead lock if no nand detected
  mtd: nand: use a local variable to simplify the nand_scan_tail
  mtd: nand: remove deprecated IRQF_DISABLED
  mtd: dataflash: Say if we find a device we don't support
  mtd: nand: omap: fix error return code in omap_nand_probe()
  mtd: nand_bbt: kill NAND_BBT_SCANALLPAGES
  mtd: m25p80: fixup device removal failure path
  mtd: mxc_nand: Include linux/of.h header
  mtd: remove duplicated include from mtdcore.c
  mtd: m25p80: add support for Macronix mx25l3255e
  mtd: nand: omap: remove selection of BCH ecc-scheme via KConfig
  mtd: nand: omap: updated devm_xx for all resource allocation and free calls
  mtd: nand: omap: use drivers/mtd/nand/nand_bch.c wrapper for BCH ECC instead of lib/bch.c
  mtd: nand: omap: clean-up ecc layout for BCH ecc schemes
  mtd: nand: omap2: clean-up BCHx_HW and BCHx_SW ECC configurations in device_probe
  ...
2013-11-14 12:31:43 +09:00
Linus Torvalds
85b656cf15 Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds
Pull LED subsystem changes from Bryan Wu:
 "LED subsystem updates for 3.13 are basically cleanup and also add a
  new driver for PCA9685"

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds:
  leds: lp55xx: handle enable pin in driver
  leds-gpio: of: led should not be created if its status is disabled
  of: introduce of_get_available_child_count
  leds: Added driver for the NXP PCA9685 I2C chip
  leds: pwm: Remove redundant of_match_ptr
  leds: Include linux/of.h header
  leds: dac124s085: Remove redundant spi_set_drvdata
  leds: lp55xx: enable setting default trigger
  leds: blinkm: Remove redundant break
2013-11-12 16:27:42 +09:00
Linus Torvalds
f9efbce633 ARM: SoC DT updates for 3.13
Most of this branch consists of updates, additions and general churn of
 the device tree source files in the kernel (arch/arm/boot/dts). Besides
 that, there are a few things to point out:
 
 - Lots of platform conversion on OMAP2+, with removal of old board files
   for various platforms.
 - Final conversion of a bunch of ux500 (ST-Ericsson) platforms as well
 - Some updates to pinctrl and other subsystems. Most of these are for
   DT-enablement of the various platforms and acks have been collected.
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Merge tag 'dt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC DT updates from Olof Johansson:
 "Most of this branch consists of updates, additions and general churn
  of the device tree source files in the kernel (arch/arm/boot/dts).
  Besides that, there are a few things to point out:

   - Lots of platform conversion on OMAP2+, with removal of old board
     files for various platforms.
   - Final conversion of a bunch of ux500 (ST-Ericsson) platforms as
     well
   - Some updates to pinctrl and other subsystems.  Most of these are
     for DT-enablement of the various platforms and acks have been
     collected"

* tag 'dt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (385 commits)
  ARM: dts: bcm11351: Use GIC/IRQ defines for sdio interrupts
  ARM: dts: bcm: Add missing UARTs for bcm11351 (bcm281xx)
  ARM: dts: bcm281xx: Add card detect GPIO
  ARM: dts: rename ARCH_BCM to ARCH_BCM_MOBILE (dt)
  ARM: bcm281xx: Add device node for the GPIO controller
  ARM: mvebu: Add Netgear ReadyNAS 104 board
  ARM: tegra: fix Tegra114 IOMMU register address
  ARM: kirkwood: add support for OpenBlocks A7 platform
  ARM: dts: omap4-panda: add DPI pinmuxing
  ARM: dts: AM33xx: Add RNG node
  ARM: dts: AM33XX: Add hwspinlock node
  ARM: dts: OMAP5: Add hwspinlock node
  ARM: dts: OMAP4: Add hwspinlock node
  ARM: dts: use 'status' property for PCIe nodes
  ARM: dts: sirf: add missed address-cells and size-cells for prima2 I2C
  ARM: dts: sirf: add missed cell, cs and dma channel for SPI nodes
  ARM: dts: sirf: add missed graphics2d iobg in atlas6 dts
  ARM: dts: sirf: add missed chhifbg node in prima2 and atlas6 dts
  ARM: dts: sirf: add missed memcontrol-monitor node in prima2 and atlas6 dts
  ARM: mvebu: Add the core-divider clock to Armada 370/XP
  ...
2013-11-11 17:34:56 +09:00
Linus Torvalds
d5aabbcaee ARM: SoC board updates for 3.13
Board-related updates. This branch is getting smaller and smaller, which is
 the whole idea so that's reassuring.
 
 Right now by far most of the code is related to shmobile updates, and
 they are now switching over to removal of board code and migration to
 multiplatform, so we'll see their board code base shrink in the near
 future too, I hope.
 
 In addition to that is some defconfig updates, some display updates for OMAP
 and a bit of new board support for Rockchip boards.
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Merge tag 'boards-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC board updates from Olof Johansson:
 "Board-related updates.  This branch is getting smaller and smaller,
  which is the whole idea so that's reassuring.

  Right now by far most of the code is related to shmobile updates, and
  they are now switching over to removal of board code and migration to
  multiplatform, so we'll see their board code base shrink in the near
  future too, I hope.

  In addition to that is some defconfig updates, some display updates
  for OMAP and a bit of new board support for Rockchip boards"

* tag 'boards-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (56 commits)
  ARM: rockchip: add support for rk3188 and Radxa Rock board
  ARM: rockchip: add dts for bqcurie2 tablet
  ARM: rockchip: enable arm-global-timer
  ARM: rockchip: move shared dt properties to common source file
  ARM: OMAP2+: display: Create omap_vout device inside omap_display_init
  ARM: OMAP2+: display: Create omapvrfb and omapfb devices inside omap_display_init
  ARM: OMAP2+: display: Create omapdrm device inside omap_display_init
  ARM: OMAP2+: drm: Don't build device for DMM
  ARM: tegra: defconfig updates
  RX-51: Add support for OMAP3 ROM Random Number Generator
  ARM: OMAP3: RX-51: ARM errata 430973 workaround
  ARM: OMAP3: Add secure function omap_smc3() which calling instruction smc #1
  ARM: shmobile: marzen: enable INTC IRQ
  ARM: shmobile: bockw: add SMSC support on reference
  ARM: shmobile: Use SMP on Koelsch
  ARM: shmobile: Remove KZM9D reference DTS
  ARM: shmobile: Let KZM9D multiplatform boot with KZM9D DTB
  ARM: shmobile: Remove non-multiplatform KZM9D reference support
  ARM: shmobile: Use KZM9D without reference for multiplatform
  ARM: shmobile: Sync KZM9D DTS with KZM9D reference DTS
  ...
2013-11-11 16:57:16 +09:00
Linus Torvalds
aac59e3efc ARM: SoC platform changes for 3.13
New and updated SoC support. Among the things new for this release are:
 
 - More support for the AM33xx platforms from TI
 - Tegra 124 support, and some updates to older tegra families as well
 - imx cleanups and updates across the board
 - A rename of Broadcom's Mobile platforms which were introduced as ARCH_BCM,
   and turned out to be too broad a name. New name is ARCH_BCM_MOBILE.
 - A whole bunch of updates and fixes for integrator, making the platform code
   more modern and switches over to DT-only booting.
 - Support for two new Renesas shmobile chipsets. Next up for them is more work
   on consolidation instead of introduction of new non-multiplatform SoCs, we're
   all looking forward to that!
 - Misc cleanups for older Samsung platforms, some Allwinner updates, etc.
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Merge tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform changes from Olof Johansson:
 "New and updated SoC support.  Among the things new for this release
  are:

   - More support for the AM33xx platforms from TI
   - Tegra 124 support, and some updates to older tegra families as well
   - imx cleanups and updates across the board
   - A rename of Broadcom's Mobile platforms which were introduced as
     ARCH_BCM, and turned out to be too broad a name.  New name is
     ARCH_BCM_MOBILE.
   - A whole bunch of updates and fixes for integrator, making the
     platform code more modern and switches over to DT-only booting.
   - Support for two new Renesas shmobile chipsets.  Next up for them is
     more work on consolidation instead of introduction of new
     non-multiplatform SoCs, we're all looking forward to that!
   - Misc cleanups for older Samsung platforms, some Allwinner updates,
     etc"

* tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (159 commits)
  ARM: bcm281xx: Add ARCH_BCM_MOBILE to bcm config
  ARM: bcm_defconfig: Run "make savedefconfig"
  ARM: bcm281xx: Add ARCH Timers to config
  rename ARCH_BCM to ARCH_BCM_MOBILE (mach-bcm)
  ARM: vexpress: Enable platform-specific options in defconfig
  ARM: vexpress: Make defconfig work again
  ARM: sunxi: remove .init_time hooks
  ARM: imx: enable suspend for imx6sl
  ARM: imx: ensure dsm_request signal is not asserted when setting LPM
  ARM: imx6q: call WB and RBC configuration from imx6q_pm_enter()
  ARM: imx6q: move low-power code out of clock driver
  ARM: imx: drop extern with function prototypes in common.h
  ARM: imx: reset core along with enable/disable operation
  ARM: imx: do not return from imx_cpu_die() call
  ARM: imx_v6_v7_defconfig: Select CONFIG_PROVE_LOCKING
  ARM: imx_v6_v7_defconfig: Enable LEDS_GPIO related options
  ARM: mxs_defconfig: Turn off CONFIG_DEBUG_GPIO
  ARM: imx: replace imx6q_restart() with mxc_restart()
  ARM: mach-imx: mm-imx5: Retrieve iomuxc base address from dt
  ARM: mach-imx: mm-imx5: Retrieve tzic base address from dt
  ...
2013-11-11 16:49:45 +09:00
Linus Torvalds
21604cdcdc ARM: SoC cleanups for 3.13
This branch contains code cleanups, moves and removals for 3.13.
 
 Qualcomm msm targets had a bunch of code removal for legacy non-DT
 platforms. Nomadik saw more device tree conversions and cleanup of old
 code. Tegra has some code refactoring, etc.
 
 One longish patch series from Sebastian Hasselbarth changes the init_time
 hooks and tries to use a generic implementation for most platforms,
 since they were all doing more or less the same things.
 
 Finally the "shark" platform is removed in this release. It's been
 abandoned for a while and nobody seems to care enough to keep it
 around. If someone comes along and wants to resurrect it, the removal
 can easily be reverted and code brought back.
 
 Beyond this, mostly a bunch of removals of stale content across the
 board, etc.
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Merge tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC cleanups from Olof Johansson:
 "This branch contains code cleanups, moves and removals for 3.13.

  Qualcomm msm targets had a bunch of code removal for legacy non-DT
  platforms.  Nomadik saw more device tree conversions and cleanup of
  old code.  Tegra has some code refactoring, etc.

  One longish patch series from Sebastian Hasselbarth changes the
  init_time hooks and tries to use a generic implementation for most
  platforms, since they were all doing more or less the same things.

  Finally the "shark" platform is removed in this release.  It's been
  abandoned for a while and nobody seems to care enough to keep it
  around.  If someone comes along and wants to resurrect it, the removal
  can easily be reverted and code brought back.

  Beyond this, mostly a bunch of removals of stale content across the
  board, etc"

* tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (79 commits)
  ARM: gemini: convert to GENERIC_CLOCKEVENTS
  ARM: EXYNOS: remove CONFIG_MACH_EXYNOS[4, 5]_DT config options
  ARM: OMAP3: control: add API for setting IVA bootmode
  ARM: OMAP3: CM/control: move CM scratchpad save to CM driver
  ARM: OMAP3: McBSP: do not access CM register directly
  ARM: OMAP3: clock: add API to enable/disable autoidle for a single clock
  ARM: OMAP2: CM/PM: remove direct register accesses outside CM code
  MAINTAINERS: Add patterns for DTS files for AT91
  ARM: at91: remove init_machine() as default is suitable
  ARM: at91/dt: split sama5d3 peripheral definitions
  ARM: at91/dt: split sam9x5 peripheral definitions
  ARM: Remove temporary sched_clock.h header
  ARM: clps711x: Use linux/sched_clock.h
  MAINTAINERS: Add DTS files to patterns for Samsung platform
  ARM: EXYNOS: remove unnecessary header inclusions from exynos4/5 dt machine file
  ARM: tegra: fix ARCH_TEGRA_114_SOC select sort order
  clk: nomadik: fix missing __init on nomadik_src_init
  ARM: drop explicit selection of HAVE_CLK and CLKDEV_LOOKUP
  ARM: S3C64XX: Kill CONFIG_PLAT_S3C64XX
  ASoC: samsung: Use CONFIG_ARCH_S3C64XX to check for S3C64XX support
  ...
2013-11-11 16:42:43 +09:00
Linus Torvalds
beb5bfe424 ARM: SoC low-priority fixes for 3.13
A set of fixes for various platforms that weren't considered bad enough
 to include in 3.12 (nor -stable). Mostly simple typo fixes, etc.
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Merge tag 'fixes-nc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC low-priority fixes from Olof Johansson:
 "A set of fixes for various platforms that weren't considered bad
  enough to include in 3.12 (nor -stable).  Mostly simple typo fixes,
  etc"

* tag 'fixes-nc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: OMAP2+: irq, AM33XX add missing register check
  ARM: OMAP2+: wakeupgen: AM43x adaptation
  ARM: OMAP1: Fix a bunch of GPIO related section warnings after initdata got corrected
  ARM: dts: fix PL330 MDMA1 address in DT for Universal C210 board
  ARM: dts: Work around lack of cpufreq regulator lookup for exynos4210-origen and trats boards
  ARM: dts: Fix typo earlyprintk in exynos5440-sd5v1 and ssdk5440 boards
  ARM: dts: Correct typo in use of samsung,pin-drv for exynos5250
  ARM: rockchip: remove obsolete rockchip,config properties
  ARM: rockchip: fix wrong use of non-existent CONFIG_LOCAL_TIMERS
  ARM: mach-omap1: Fix omap1510_fpga_init_irq() implicit declarations.
  ARM: OMAP1: fix incorrect placement of __initdata tag
  ARM: OMAP: remove deprecated IRQF_DISABLED
  ARM: OMAP2+: throw the die id into the entropy pool
2013-11-11 16:35:29 +09:00
Pekon Gupta
c66d039197 mtd: nand: omap: combine different flavours of 1-bit hamming ecc schemes
OMAP NAND driver currently supports multiple flavours of 1-bit Hamming
ecc-scheme, like:
- OMAP_ECC_HAMMING_CODE_DEFAULT
	1-bit hamming ecc code using software library
- OMAP_ECC_HAMMING_CODE_HW
	1-bit hamming ecc-code using GPMC h/w engine
- OMAP_ECC_HAMMING_CODE_HW_ROMCODE
	1-bit hamming ecc-code using GPMC h/w engin with ecc-layout compatible
	to ROM code.

This patch combines above multiple ecc-schemes into single implementation:
- OMAP_ECC_HAM1_CODE_HW
	1-bit hamming ecc-code using GPMC h/w engine with ROM-code compatible
	ecc-layout.

Signed-off-by: Pekon Gupta <pekon@ti.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Tested-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2013-11-06 23:33:07 -08:00
Pekon Gupta
ac65caf514 ARM: OMAP2+: cleaned-up DT support of various ECC schemes
OMAP NAND driver support multiple ECC scheme, which can used in different
flavours, depending on in-build Hardware engines present on SoC.

This patch updates following in DT bindings related to sectionion of ecc-schemes
- ti,elm-id: replaces elm_id (maintains backward compatibility)
- ti,nand-ecc-opts: selection of h/w or s/w implementation of an ecc-scheme
	depends on ti,elm-id. (supported values ham1, bch4, and bch8)
- maintain backward compatibility to deprecated DT bindings (sw, hw, hw-romcode)

Below table shows different flavours of ecc-schemes supported by OMAP devices
+---------------------------------------+---------------+---------------+
| ECC scheme                            |ECC calculation|Error detection|
+---------------------------------------+---------------+---------------+
|OMAP_ECC_HAM1_CODE_HW                  |H/W (GPMC)     |S/W            |
+---------------------------------------+---------------+---------------+
|OMAP_ECC_BCH8_CODE_HW_DETECTION_SW     |H/W (GPMC)     |S/W            |
|(requires CONFIG_MTD_NAND_ECC_BCH)     |               |               |
+---------------------------------------+---------------+---------------+
|OMAP_ECC_BCH8_CODE_HW                  |H/W (GPMC)     |H/W (ELM)      |
|(requires CONFIG_MTD_NAND_OMAP_BCH &&  |               |               |
| ti,elm-id in DT)                      |               |               |
+---------------------------------------+---------------+---------------+

To optimize footprint of omap2-nand driver, selection of some ECC schemes
also require enabling following Kconfigs, in addition to setting appropriate
DT bindings
- Kconfig:CONFIG_MTD_NAND_ECC_BCH        error detection done in software
- Kconfig:CONFIG_MTD_NAND_OMAP_BCH       error detection done by h/w engine

Signed-off-by: Pekon Gupta <pekon@ti.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Tested-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2013-11-06 23:33:07 -08:00
Olof Johansson
43d93947a5 Via Paul Walmsley <paul@pwsan.com>:
Move some of the OMAP2+ CM and System Control Module direct
 register accesses into CM- and System Control
 Module-specific "drivers" underneath arch/arm/mach-omap2/.  This
 is a prerequisite for moving this code out of arch/arm/mach-omap2/ into
 drivers/.
 
 Basic test logs are available here:
 
 http://www.pwsan.com/omap/testlogs/cm_scm_cleanup_a_v3.13/20131019101809/
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Merge tag 'omap-for-v3.13/cm-scm-cleanup-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/cleanup

From Paul Walmsley <paul@pwsan.com> via Tony Lindgren:

Move some of the OMAP2+ CM and System Control Module direct
register accesses into CM- and System Control
Module-specific "drivers" underneath arch/arm/mach-omap2/.  This
is a prerequisite for moving this code out of arch/arm/mach-omap2/ into
drivers/.

Basic test logs are available here:

http://www.pwsan.com/omap/testlogs/cm_scm_cleanup_a_v3.13/20131019101809/

* tag 'omap-for-v3.13/cm-scm-cleanup-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP3: control: add API for setting IVA bootmode
  ARM: OMAP3: CM/control: move CM scratchpad save to CM driver
  ARM: OMAP3: McBSP: do not access CM register directly
  ARM: OMAP3: clock: add API to enable/disable autoidle for a single clock
  ARM: OMAP2: CM/PM: remove direct register accesses outside CM code
  + Linux 3.12-rc4

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-10-28 14:39:03 -07:00
Nishanth Menon
e4db1c7439 PM / OPP: rename header to linux/pm_opp.h
Since Operating Performance Points (OPP) functions are specific
to device specific power management, be specific and rename opp.h
to pm_opp.h

Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-10-25 22:33:23 +02:00
Nishanth Menon
47d43ba73e PM / OPP: rename data structures to dev_pm equivalents
Since Operating Performance Points (OPP) data structures are specific
to device specific power management, be specific and rename opp_* data
structures in OPP library with dev_pm_opp_* equivalent.

Affected structures are:
 struct opp
 enum opp_event

Minor checkpatch warning resulting of this change was fixed as well.

Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-10-25 22:33:23 +02:00
Nishanth Menon
5d4879cda6 PM / OPP: rename functions to dev_pm_opp*
Since Operating Performance Points (OPP) functions are specific to
device specific power management, be specific and rename opp_*
accessors in OPP library with dev_pm_opp_* equivalent.

Affected functions are:
 opp_get_voltage
 opp_get_freq
 opp_get_opp_count
 opp_find_freq_exact
 opp_find_freq_floor
 opp_find_freq_ceil
 opp_add
 opp_enable
 opp_disable
 opp_get_notifier
 opp_init_cpufreq_table
 opp_free_cpufreq_table

Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Nishanth Menon <nm@ti.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-10-25 22:33:23 +02:00
Sebastian Reichel
30dae2f986 leds: lp55xx: handle enable pin in driver
This patch moves the handling of the chip's enable pin from the board
code into the driver. It also updates all board-code files using the
driver to incorporate this change.

This is needed for device tree support of the enable pin.

Signed-off-by: Sebastian Reichel <sre@debian.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
2013-10-25 10:13:25 -07:00
Greg Kroah-Hartman
5328f35b15 usb: patches for v3.13
Final conversions to configfs for mass storage, acm_ms, and
 multi gadgets.
 
 MUSB should now work out of the box on AM335x-based boards
 (beagle bone white and black) with DMA thanks to Sebastian's
 work.
 
 We can now enable VERBOSE_DEBUG on builds of drivers/usb/gadget/
 by selecting CONFIG_USB_GADGET_VERBOSE.
 
 s3c-hsotg got quite a few non-critical fixes but also learned
 a few new tricks (isochronous transfers, multi count support).
 
 The Marvel USB3 Controller driver got a memory leak fix.
 
 devm_usb_get_phy() learned not to return NULL, ever.
 
 Other than these patches, we have the usual set of cleanups
 ranging from removal of unnecessary *_set_drvdata() to using
 SIMPLE_DEV_PM_OPS.
 
 Signed-of-by: Felipe Balbi <balbi@ti.com>
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Merge tag 'usb-for-v3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next

Felipe writes:

usb: patches for v3.13

Final conversions to configfs for mass storage, acm_ms, and
multi gadgets.

MUSB should now work out of the box on AM335x-based boards
(beagle bone white and black) with DMA thanks to Sebastian's
work.

We can now enable VERBOSE_DEBUG on builds of drivers/usb/gadget/
by selecting CONFIG_USB_GADGET_VERBOSE.

s3c-hsotg got quite a few non-critical fixes but also learned
a few new tricks (isochronous transfers, multi count support).

The Marvel USB3 Controller driver got a memory leak fix.

devm_usb_get_phy() learned not to return NULL, ever.

Other than these patches, we have the usual set of cleanups
ranging from removal of unnecessary *_set_drvdata() to using
SIMPLE_DEV_PM_OPS.

Signed-of-by: Felipe Balbi <balbi@ti.com>
2013-10-24 16:18:40 +01:00
Tomi Valkeinen
4ff7e3b65c ARM: OMAP3: fix dpll4_m3_ck and dpll4_m4_ck dividers
dpll4_m3_ck and dpll4_m4_ck have divider bit fields which are 6 bits
wide. However, only values from 1 to 32 are allowed. This means we have
to add a divider tables and list the dividers explicitly.

I believe the same issue is there for other dpll4_mx_ck clocks, but as
I'm not familiar with them, I didn't touch them.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-10-24 09:07:23 -06:00
Tomi Valkeinen
262c2c9d06 ARM: OMAP3: use CLK_SET_RATE_PARENT for dss clocks
Set CLK_SET_RATE_PARENT flag for dss1_alwon_fck_3430es2,
dss1_alwon_fck_3430es1 and dpll4_m4x2_ck so that the DSS's fclk can be
configured without the need to get the parent's parent of the fclk.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-10-24 09:07:13 -06:00
Tomi Valkeinen
a861389a9f ARM: OMAP4: use CLK_SET_RATE_PARENT for dss_dss_clk
Set CLK_SET_RATE_PARENT flag for dss_dss_clk so that the DSS's fclk can
be configured without the need to get the parent of the fclk.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-10-24 09:06:44 -06:00
Nishanth Menon
60c5fc86d0 ARM: OMAP3+: use cpu0-cpufreq driver in device tree supported boot
With OMAP3+ and AM33xx supported SoC having defined CPU device tree
entries with operating-points and clock nodes defined, we can now use
the SoC generic cpufreq-cpu0 driver by registering appropriate device.

Cc: Benoit Cousson <bcousson@baylibre.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-10-22 08:10:09 -07:00
Nishanth Menon
765e7a067e ARM: OMAP2+: add missing lateinit hook for calling pm late init
AM335x, AM43xx, OMAP5 and DRA7 have missing late init hook. Introduce
SoC specific hook with a call to OMAP2+ generic lateinit hook. This
allows the generic late initializations such as cpufreq hooks to be
active.

Based on out-of-tree patches that need to be introduced in
mainline, this introduction allows us to provide the foundation for
further SoC specific features as they are developed.

Cc: Benoit Cousson <bcousson@baylibre.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-10-22 08:09:50 -07:00
Nishanth Menon
92d51856d7 ARM: OMAP3+: do not register non-dt OPP tables for device tree boot
OMAP3+ supports both device tree and non-device tree boot.
Device tree bindings for OMAP3+ is supposed to be added via dts following:
Documentation/devicetree/bindings/power/opp.txt

Since we now have device tree entries for OMAP3+ cpu OPPs,
The current code wrongly adds duplicate OPPs. So, dont register OPPs
when booting using device tree.

Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-10-22 08:09:27 -07:00
Markus Pargmann
0bebda6848 ARM: OMAP2+: irq, AM33XX add missing register check
am33xx has a INTC_PENDING_IRQ3 register that is not checked for pending
interrupts. This patch adds AM33XX to the ifdef of SOCs that have to
check this register.

Cc: stable@vger.kernel.org
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-10-22 07:50:18 -07:00
Afzal Mohammed
6246cd06d8 ARM: OMAP2+: wakeupgen: AM43x adaptation
AM43x has 224 interrupts and 7 banks, make it as maximum values. Keep
default values as earlier, if am43x is detected, update interrupts and
banks accordingly.

Also AM43x has only one cpu, ensure that clearing bitmask at wakeupgen
is done only for the single existing cpu, existing code assumes that
there are two cpu's.

If bitmask is cleared in wakeupgen for the nonexistent second cpu,
an imprecise abort happens as soon as Kernel switches to user space.
It was rootcaused by Sekhar Nori <nsekhar@ti.com>.

Signed-off-by: Afzal Mohammed <afzal@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-10-22 07:28:12 -07:00
Greg Kroah-Hartman
5584cfbafc Merge 3.12-rc6 into usb-next.
We want those USB fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-10-19 13:19:07 -07:00
Tero Kristo
49e0340232 ARM: OMAP3: control: add API for setting IVA bootmode
OMAP3 PM core requires IVA2 bootmode to be set to idle during init. Currently,
a direct register write is used for this. Add a new ctrl API for this purpose
instead.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-10-19 10:11:52 -06:00
Tero Kristo
c6a2d839d0 ARM: OMAP3: CM/control: move CM scratchpad save to CM driver
OMAP3 PM code for off-mode currently saves the scratchpad contents for CM
registers within OMAP control module driver. However, as we are separating
CM code into its own driver, this must be moved also. This patch adds a
new API for saving the CM scratchpad contents and uses this from the high
level scratchpad save function.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-10-19 10:11:52 -06:00
Tero Kristo
7a90da2ad3 ARM: OMAP3: McBSP: do not access CM register directly
McBSP driver require special hacks to enable/disable the autoidle feature
for its interface clock for the proper function of the sidetone hardware.
Currently the driver just writes CM registers directly, which should be
avoided. Thus, changed the driver to use the new deny/allow_autoidle
clock API calls.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Cc: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-10-19 10:11:51 -06:00
Tero Kristo
818b40e500 ARM: OMAP3: clock: add API to enable/disable autoidle for a single clock
Some drivers require direct access to the autoidle functionality of the
interface clocks. Added clock APIs for these, so that the drivers do not
need to access CM registers directly.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-10-19 10:11:51 -06:00
Tero Kristo
cd6e9db277 ARM: OMAP2: CM/PM: remove direct register accesses outside CM code
Users of the CM funtionality should not access the CM registers directly
by themselves. Thus, added new CM driver APIs for the OMAP2 specific
functionalities which support the existing direct register accesses, and
changed the platform code to use these. This is done in preparation
for moving the CM code into its own individual driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-10-19 10:11:51 -06:00
Javier Martinez Canillas
06ff74fd19 ARM: OMAP2+: remove legacy support for IGEP boards
Device Tree support for IGEP boards in mainline is almost
finished. The only remaining bits are support for the
Marvell SD8686 wifi + BT and TFP410 DVI chips.

Adding support for these should be straightforward so let's
not block OMAP3 moving to Device Tree only boot and remove
the board file for IGEP boards.

Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-10-18 10:25:46 -07:00
Tony Lindgren
97411608fd ARM: OMAP2+: Remove legacy support for zoom platforms
We now have pretty decent device tree based support for
zoom platforms. It's not complete, but basics work for
me so adding more features should be quite trivial.

Looks like also 3630 sdp is zoom based, and looking
at it's board file should also be trivial to support
with the device tree based booting.

Patches are welcome if people are still using these.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-10-18 10:24:33 -07:00
Tony Lindgren
95807689ea ARM: OMAP2+: Remove legacy booting support for omap3 EVM
We now have pretty decent support with the device tree
based booting. Patches to add more features are welcome.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-10-18 10:24:33 -07:00
Aaro Koskinen
dfcc11ad4a ARM: OMAP2: delete board-rm680
Delete board file for Nokia RM-680/RM-696 (N950/N9). DT-based booting
should be used for further development on this HW.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-10-18 10:24:33 -07:00
Kevin Hilman
abcba009e5 Changes needed for am43xx for the hwmod data.
This will be the last new set of hwmod data for any SoC
 as future SoCs will use a driver and device tree based
 approach. But before that can be dealt with, we need to
 first sort out the pending driver/clk issues.
 
 Queued by Paul Walmsley <paul@pwsan.com>:
 
 Add hwmod and PRCM data for the TI AM43xx family of SoCs.
 
 Under normal circumstances, these patches would not be merged.
 The hwmod and PRCM data should be moved out either to DT data or
 to drivers/.  Also, the current implementation trades off lines
 of diff by dynamically rewriting static data at runtime, which is
 a bad practice - it causes future maintenance headaches.
 However, after speaking with my upstream, it sounds like it's
 better to merge these patches in their current state, due to long
 term considerations.
 
 Basic test logs are here:
 
 http://www.pwsan.com/omap/testlogs/am43xx_support_v3.13/20131015213706/
 
 Due to the lack of an AM43xx board and any available public
 documentation, it's impossible for me to review or test that
 platform in any meaningful way.  But at least the tests above
 verify that the patches don't affect existing platforms -
 particularly AM33xx.
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Merge tag 'omap-for-v3.13/am43xx-hwmod-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc

From Tony Lindgren:
Changes needed for am43xx for the hwmod data.

This will be the last new set of hwmod data for any SoC
as future SoCs will use a driver and device tree based
approach. But before that can be dealt with, we need to
first sort out the pending driver/clk issues.

Queued by Paul Walmsley <paul@pwsan.com>:

Add hwmod and PRCM data for the TI AM43xx family of SoCs.

Under normal circumstances, these patches would not be merged.
The hwmod and PRCM data should be moved out either to DT data or
to drivers/.  Also, the current implementation trades off lines
of diff by dynamically rewriting static data at runtime, which is
a bad practice - it causes future maintenance headaches.
However, after speaking with my upstream, it sounds like it's
better to merge these patches in their current state, due to long
term considerations.

Basic test logs are here:

http://www.pwsan.com/omap/testlogs/am43xx_support_v3.13/20131015213706/

Due to the lack of an AM43xx board and any available public
documentation, it's impossible for me to review or test that
platform in any meaningful way.  But at least the tests above
verify that the patches don't affect existing platforms -
particularly AM33xx.

* tag 'omap-for-v3.13/am43xx-hwmod-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2: hwmod: Add qspi data for am437x.
  ARM: OMAP2+: hwmod: Add USB hwmod data for AM437x.
  ARM: OMAP2+: AM43x PRCM init
  ARM: OMAP2+: AM43x: PRCM kbuild
  ARM: OMAP2+: hwmod: AM43x operations
  ARM: OMAP2+: hwmod: AM43x support
  ARM: OMAP2+: CM: AM43x clockdomain data
  ARM: OMAP2+: PM: AM43x powerdomain data
  ARM: OMAP2+: PRCM: AM43x definitions
  ARM: OMAP2+: hwmod: AM335x: remove static register offs
  ARM: OMAP2+: hwmod: AM335x: runtime register update
  ARM: OMAP2+: hwmod: AM335x/AM43x: move common data
  ARM: OMAP2+: CM: cm_inst offset s16->u16

Signed-off-by: Kevin Hilman <khilman@linaro.org>
2013-10-18 07:50:51 -07:00
Tony Lindgren
811e7c8734 Add hwmod and PRCM data for the TI AM43xx family of SoCs.
Under normal circumstances, these patches would not be merged.
 The hwmod and PRCM data should be moved out either to DT data or
 to drivers/.  Also, the current implementation trades off lines
 of diff by dynamically rewriting static data at runtime, which is
 a bad practice - it causes future maintenance headaches.
 However, after speaking with my upstream, it sounds like it's
 better to merge these patches in their current state, due to long
 term considerations.
 
 Basic test logs are here:
 
 http://www.pwsan.com/omap/testlogs/am43xx_support_v3.13/20131015213706/
 
 Due to the lack of an AM43xx board and any available public
 documentation, it's impossible for me to review or test that
 platform in any meaningful way.  But at least the tests above
 verify that the patches don't affect existing platforms -
 particularly AM33xx.
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Merge tag 'for-v3.13/am43xx-support' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v3.13/hwmod

Add hwmod and PRCM data for the TI AM43xx family of SoCs.

Under normal circumstances, these patches would not be merged.
The hwmod and PRCM data should be moved out either to DT data or
to drivers/.  Also, the current implementation trades off lines
of diff by dynamically rewriting static data at runtime, which is
a bad practice - it causes future maintenance headaches.
However, after speaking with my upstream, it sounds like it's
better to merge these patches in their current state, due to long
term considerations.

Basic test logs are here:

http://www.pwsan.com/omap/testlogs/am43xx_support_v3.13/20131015213706/

Due to the lack of an AM43xx board and any available public
documentation, it's impossible for me to review or test that
platform in any meaningful way.  But at least the tests above
verify that the patches don't affect existing platforms -
particularly AM33xx.
2013-10-17 10:37:27 -07:00
Sourav Poddar
70b0d5f583 ARM: OMAP2: hwmod: Add qspi data for am437x.
Add hwmod data for qspi for AM437x.

Signed-off-by: Sourav Poddar <sourav.poddar@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-10-15 23:49:43 -06:00
Kevin Hilman
94f53f1f08 SoC related changes for omaps to support the realtime
counter on newer omaps, and to fail early for omap5 es1.0
 SoCs that don't have any support merged for them in the
 mainline tree.
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Merge tag 'omap-for-v3.13/soc-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc

From Tony Lindgren:
SoC related changes for omaps to support the realtime
counter on newer omaps, and to fail early for omap5 es1.0
SoCs that don't have any support merged for them in the
mainline tree.

* tag 'omap-for-v3.13/soc-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: Fix build error for realtime counter init if not enabled
  ARM: OMAP5/DRA7: realtime_counter: Configure CNTFRQ register
  ARM: OMAP5: id: Remove ES1.0 support
  ARM: OMAP2+: DRA7: realtime_counter: Add ratio registers for 20MHZ sys-clk frequency

Signed-off-by: Kevin Hilman <khilman@linaro.org>
2013-10-14 15:42:20 -07:00
Tony Lindgren
f41509ad0d Merge branches 'omap-for-v3.13/dt' and 'omap-for-v3.13/quirk' into omap-for-v3.13/board-removal
We need the fixes in v3.12-rc5, dts changes in omap-for-v3.13/dt, and
the platform data quirk changes in omap-for-v3.13/quirk to start
removing omap3 board files without breaking things.
2013-10-14 11:33:07 -07:00
George Cherian
facfbc49b4 ARM: OMAP2+: hwmod: Add USB hwmod data for AM437x.
Add hwmod for USBSS and the OCP2SCP for AM437x.
AM437x has got 2 instances of USBSS.

Signed-off-by: George Cherian <george.cherian@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-10-14 11:46:52 -06:00
Ambresh K
8835cf6e47 ARM: OMAP2+: AM43x PRCM init
Initialise AM43x HWMOD, powerdomains and clockdomains.

Signed-off-by: Ambresh K <ambresh@ti.com>
Signed-off-by: Afzal Mohammed <afzal@ti.com>
Acked-by: Rajendra Nayak <rnayak@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-10-13 22:49:16 -06:00
Afzal Mohammed
d9df6e1e1c ARM: OMAP2+: AM43x: PRCM kbuild
Build AM43x power domain, clock domain and hwmod data.

Many of AM43x IP's and interconnects are similar as that in AM335x,
hence AM335x hwmod data is being reused with necessary changes.

Earlier the plan was to reuse AM335x specific PRCM code, but as AM43x
PRCM register layout is much similar to OMAP4/5, AM335x PRCM is
divorced and instead married with OMAP4/5 PRCM for AM43x.

Signed-off-by: Afzal Mohammed <afzal@ti.com>
Acked-by: Rajendra Nayak <rnayak@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-10-13 22:49:06 -06:00
Afzal Mohammed
c8b428a5b1 ARM: OMAP2+: hwmod: AM43x operations
Reuse OMAP4 operations on AM43x.

Context related ops are not used on AM43x, as this would not add value
when using DT and AM43x is DT only boot. This additionally helps not to
add context register offset for each hwmod.

Signed-off-by: Ambresh K <ambresh@ti.com>
Signed-off-by: Afzal Mohammed <afzal@ti.com>
Acked-by: Rajendra Nayak <rnayak@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-10-13 22:48:57 -06:00
Afzal Mohammed
6913952f56 ARM: OMAP2+: hwmod: AM43x support
Add hwmod support for IP's that are present in AM43x, but not in AM335x.
AM43x additional ones added here are,
1. synctimer
2. timer8-11
3. ehrpwm3-5
4. spi2-4
5. gpio4-5

AM43x pruss interconnect which is different as compared to AM335x, has
been taken care.

And register offsets for same hwmod's shared with AM335x is different,
AM43x register offsets are updated appropriately.

ocp clock of those in l4_wkup is fed from "sys_clkin_ck" instead of
"dpll_core_m4_div2_ck", so "ocpif" for those in AM43x l4_wkup has been
added seperately.

hwmod's has been added for those that have main clock (wkup_m3, control,
gpio0) and clock domain (l4_hs) different from AM335x. debugss and
adc_tsc that have different clocks and clockdomains repectively has not
been added due to the reasons mentioned below.

AM43x also has IP's like qspi, hdq1w, vpfe, des, rng, usb, dss, debugss,
adc_tsc. These are not handled here due to both/either of following
reasons,
1. To avoid churn; most of them don't have DT bindings, which would
   necessitate adding address space in hwmod, which any way would have
   to be removed once DT bindings happen with driver support.
2. patches would come in from sources other than the author

Signed-off-by: Afzal Mohammed <afzal@ti.com>
Acked-by: Rajendra Nayak <rnayak@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-10-13 22:48:46 -06:00
Ambresh K
c9218fe63f ARM: OMAP2+: CM: AM43x clockdomain data
Add the data file to describe clock domains in AM43x SoC.
OMAP4 clockdomain operations is being reused here.

Signed-off-by: Ambresh K <ambresh@ti.com>
Signed-off-by: Afzal Mohammed <afzal@ti.com>
Acked-by: Rajendra Nayak <rnayak@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-10-13 22:48:36 -06:00
Ambresh K
eadc62fc43 ARM: OMAP2+: PM: AM43x powerdomain data
Add the data file to describe all power domains in AM43x SoC.
OMAP4 powerdomain operations is being reused here.

Signed-off-by: Ambresh K <ambresh@ti.com>
Signed-off-by: Afzal Mohammed <afzal@ti.com>
Acked-by: Rajendra Nayak <rnayak@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-10-13 22:48:25 -06:00
Afzal Mohammed
37fbc27e2c ARM: OMAP2+: PRCM: AM43x definitions
Add AM43x CMINST, CDOFFS, RM_RSTST & RM_RSTCTRL definitions - minimal
ones that would be used.

Signed-off-by: Afzal Mohammed <afzal@ti.com>
Acked-by: Rajendra Nayak <rnayak@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-10-13 22:48:15 -06:00
Afzal Mohammed
205e39b5a0 ARM: OMAP2+: hwmod: AM335x: remove static register offs
Hwmod common to AM43x and AM335x has register offsets different. It is
now updated based on SoC detection at run time, hence remove statically
initialized ones.

Signed-off-by: Afzal Mohammed <afzal@ti.com>
Acked-by: Rajendra Nayak <rnayak@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-10-13 22:48:04 -06:00
Afzal Mohammed
1c7e224dff ARM: OMAP2+: hwmod: AM335x: runtime register update
Most of IP's in AM335x is present on AM43x and so in those cases both
will use same hwmod database (except for a few cases where clock related
details differ), but there is difference w.r.t register offset between
these. Update register offsets at runtime based on the SoC detected to
help in sharing otherwise same hwmod.

Signed-off-by: Afzal Mohammed <afzal@ti.com>
Acked-by: Rajendra Nayak <rnayak@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-10-13 22:47:56 -06:00
Afzal Mohammed
26649467ad ARM: OMAP2+: hwmod: AM335x/AM43x: move common data
AM335x and AM43x have most of the IP's and interconnect's similar.
Instead of adding redundant hwmod data, move interconnects and hwmod
similar between AM335x and AM43x to a common location. This helps in
reuse on AM43x.

AM335x interconnects that has difference and not present in AM43x are
not moved. ocp clock of those in l4_wkup is fed from a different source
for AM43x. Also pruss interconnect is different.

AM335x hwmod's that has difference other than prcm register offsets
(difference is in clocks of wkup_m3, control, gpio0, debugss and clock
domain of l4_hs, adc_tsc as compared to AM43x) and those that are not
present in AM43x are not moved.

Signed-off-by: Afzal Mohammed <afzal@ti.com>
Acked-by: Rajendra Nayak <rnayak@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-10-13 22:47:39 -06:00
Ankur Kishore
d3f5d551df ARM: OMAP2+: CM: cm_inst offset s16->u16
Most of the AM43x CM reg address offsets are with MSB bit '1' (on
16-bit value) leading to arithmetic miscalculations while calculating
CLOCK ENABLE register's address because cm_inst field was a type of
"const s16", so make it "const u16".

Also modify relevant functions so as to take care of the above.

[afzal@ti.com: fixup and cleanup]

Signed-off-by: Ankur Kishore <a-kishore@ti.com>
Signed-off-by: Afzal Mohammed <afzal@ti.com>
Acked-by: Rajendra Nayak <rnayak@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-10-13 22:46:38 -06:00
Tony Lindgren
d5da94b88e ARM: OMAP2+: Fix build error for realtime counter init if not enabled
Otherwise we can get an error with some configs:

arch/arm/mach-omap2/timer.c:73: undefined reference to `omap_smc1'

Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-10-11 17:28:04 -07:00
Tony Lindgren
9e490f486e Merge branch 'omap-for-v3.13/n900' into omap-for-v3.13/board 2013-10-11 16:14:23 -07:00
Benoit Cousson
254f57a929 ARM: OMAP5: hwmod: add missing ocp2scp hwmod data
Add this hwmod data to allow USB3 to work in OMAP5 boards.

Signed-off-by: Benoit Cousson <bcousson@baylibre.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
[tony@atomide.com: updated to apply against Paul's changes]
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-10-11 15:37:05 -07:00
Tony Lindgren
f2bf0e72d0 ARM: OMAP2+: Add minimal 8250 support for GPMC
Just initialize things using the bootloader timings like
we've been doing for the legacy booting too. It should be
possible to patch in the GPMC timings for the based on the
TL16CP743C/TL16C754C manual at:

http://www.ti.com/lit/ds/slls644g/slls644g.pdf

Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-10-11 09:21:50 -07:00
Tony Lindgren
79b39f7918 ARM: OMAP2+: Use pdata quirks for wl12xx for omap3 evm and zoom3
As the wl12xx bindings are still pending, this way we can
get things working for omap3 evm and zoom platforms.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-10-11 09:21:49 -07:00
Tony Lindgren
30a69ef785 ARM: OMAP: Move DT wake-up event handling over to use pinctrl-single-omap
Now pinctrl-single-omap can handle the wake-up events for us now
as long as the events are configured in the .dts files.

Done in collaboration with Roger Quadros <rogerq@ti.com>.

Cc: Peter Ujfalusi <peter.ujfalusi@ti.com>
Cc: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: Prakash Manjunathappa <prakash.pm@ti.com>
Cc: Roger Quadros <rogerq@ti.com>
Cc: Haojian Zhuang <haojian.zhuang@linaro.org>
Cc: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Tested-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-10-10 15:46:30 -07:00
Tony Lindgren
8651bd8ce3 ARM: OMAP2+: Add support for auxdata
For few things we're still going to be needing platform
data for device tree based drivers. Let's set up auxdata
handling and do it in pdata-quirks.c so we have all the
legacy calls in one place.

Reviewed-by: Kevin Hilman <khilman@linaro.org>
Tested-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-10-10 15:45:12 -07:00
R Sricharan
5523e4092e ARM: OMAP5/DRA7: realtime_counter: Configure CNTFRQ register
The realtime counter called master counter, produces the count
used by the private timer peripherals in the MPU_CLUSTER. The
CNTFRQ per cpu register is used to denote the frequency of the counter.
Currently the frequency value is passed from the
DT file, but this is not scalable when we have other non-DT guest
OS. This register must be set to the right value by the
secure rom code. Setting this register helps in propagating the right
frequency value across OSes.

More discussions and the reason for adding this in a non-DT
way can be seen from below.
http://www.mail-archive.com/linux-omap@vger.kernel.org/msg93832.html

So configuring this secure register for all the cpus here.

Cc: Nishanth Menon <nm@ti.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Tested-by: Nishanth Menon <nm@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Sricharan R <r.sricharan@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-10-10 10:14:22 -07:00
Lokesh Vutla
ace1e3ec4a ARM: AM33xx: hwmod: Add RNG module data
Add RNG hwmod data for AM33xx SoC.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-10-09 09:02:51 -06:00
Javier Martinez Canillas
68a531a1de ARM: OMAP2+: igep0020: use display init from dss-common
Now that display information and setup is made from dss-common
there is no need to have this code in the board file.

Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-10-09 07:55:12 -07:00
Javier Martinez Canillas
15c9887e15 ARM: OMAP2+: pdata-quirks: add legacy display init for IGEPv2 board
IGEPv2 board has both an DVI and TFP410 video interfaces but
DSS support for DeviceTree has not yet landed in mainline so
is necessary to init the displays using legacy platform code.

Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-10-09 07:54:34 -07:00
Rajendra Nayak
f92d9597f7 ARM: OMAP2+: hwmod: Extract no-idle and no-reset info from DT
Now that we have DT bindings to specify which devices should not
be reset and idled during init, make hwmod extract the information
(and store them in internal flags) from Device tree.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
[paul@pwsan.com: updated to apply]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-10-09 02:54:32 -06:00
Rajendra Nayak
b2eb000265 ARM: OMAP2+: hwmod: cleanup HWMOD_INIT_NO_RESET usage
For modules/IPs/hwmods which do not have
-1- sys->class->reset()
and
-2- hardreset lines
and
-3- No way to do an ocp reset (no sysc control)
the flag 'HWMOD_INIT_NO_RESET' is not much useful.

Cleanup all such instances across various hwmod data files.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-10-09 01:25:17 -06:00
Suman Anna
f0d48990e1 ARM: AM33xx: hwmod_data: add the sysc configuration for spinlock
Add the missing sysc configuration to the AM335 spinlock hwmod
data. This ensures that smart-idle is enabled whenever the module
is enabled by the driver.

Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-10-09 01:08:44 -06:00
Suman Anna
325529d1ec ARM: OMAP5: hwmod data: Add spinlock data
Add the hwmod data for the spinlock IP in OMAP5 SoC.
This is needed to be able to enable the OMAP spinlock
support for OMAP5.

Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-10-09 01:08:19 -06:00
Roger Quadros
e01478b01d ARM: OMAP5: hwmod data: Add USB Host and TLL modules
Add hwmod data for High Speed USB host and TLL modules

CC: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-10-08 23:46:50 -06:00
Sebastian Reichel
398917ce16 ARM: OMAP2+: hwmod data: Add SSI information
This patch adds Synchronous Serial Interface (SSI) hwmod support for
OMAP34xx SoCs.

Signed-off-by: Sebastian Reichel <sre@debian.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-10-08 23:46:49 -06:00
Suman Anna
6423d6df14 ARM: OMAP2+: hwmod: check for module address space during init
The hwmod init sequence involves initializing and idling all the
hwmods during bootup. If a module class has sysconfig, the init
sequence utilizes the module register base for performing any
sysc configuration.

The module address space is being removed from hwmod database and
retrieved from the <reg> property of the corresponding DT node.
If a hwmod does not have its corresponding DT node defined and the
memory address space is not defined in the corresponding
omap_hwmod_ocp_if, then the module register target address space
would be NULL and any sysc programming would result in a NULL
pointer dereference and a kernel boot hang.

Handle this scenario by checking for a valid module address space
during the _init of each hwmod, and leaving it in the registered
state if no module register address base is defined in either of
the hwmod data or the DT data.

Signed-off-by: Suman Anna <s-anna@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Tested-by: Nishanth Menon <nm@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
[paul@pwsan.com: use -ENXIO rather than -ENOMEM to indicate a missing address
 space error; fixed checkpatch.pl problem]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-10-08 23:46:49 -06:00
Nishanth Menon
aa2f4b16f8 ARM: OMAP5: id: Remove ES1.0 support
OMAP5 ES1.0 was intended as a test chip and has major register level
differences w.r.t ES2.0 revision of the chip. All register defines,
dts support has been solely added for ES2.0 version of the chip.
Further, all ES1.0 chips and platforms are supposed to have been
removed from circulation. Hence, there is no need to further retain
any resemblence of ES1.0 support in id detection code.

Remove the omap_revision handling and BUG() instead to prevent folks
who mistakenly try an older unsupported chip and report bogus errors.

Signed-off-by: Nishanth Menon <nm@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-10-08 14:45:57 -07:00
Sricharan R
38a1981ce3 ARM: OMAP2+: DRA7: realtime_counter: Add ratio registers for 20MHZ sys-clk frequency
The real time counter also called master counter, is a free-running
counter. It produces the count used by the CPU local timer peripherals
in the MPU cluster. The timer counts at a rate of 6.144 MHz.

The ratio registers are missing for a sys-clk of 20MHZ which is used
by DRA7 socs. So because of this, the counter was getting wrongly
programmed for a sys-clk of 38.4Mhz(default). So adding the ratio
registers for 20MHZ sys-clk.

Tested-by: Nishanth Menon <nm@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Sricharan R <r.sricharan@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-10-08 14:26:06 -07:00
Archit Taneja
576e5bda70 ARM: OMAP2+: display: Create omap_vout device inside omap_display_init
Move omap_vout device creation inside the omap_display_init so that we can
correctly create the device based on the presence of omapdss within the
platform.

For example, on a kernel image supporting multiple platforms, omap_init_vout
will create a omapdrm platform device on a AM33xx platform even though it
doesn't have a DSS block.

Signed-off-by: Archit Taneja <archit@ti.com>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-10-08 14:03:07 -07:00
Archit Taneja
fc8df75217 ARM: OMAP2+: display: Create omapvrfb and omapfb devices inside omap_display_init
Move omapfb and omapvrfb device creation inside the omap_display_init so that
we can correctly create the device based on the presence of omapdss within the
platform.

For example, on a kernel image supporting multiple platforms, omap_init_vrfb and
omap_init_fb will create omapvrfb and omapfb platform devices respectively on a
AM33xx platform even though it doesn't have a VRFB or DSS block.

Signed-off-by: Archit Taneja <archit@ti.com>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-10-08 14:02:51 -07:00
Archit Taneja
7a59743d0c ARM: OMAP2+: display: Create omapdrm device inside omap_display_init
Move omapdrm device creation inside the omap_display_init so that we can
correctly create the device based on the presence of omapdss within the
platform.

For example, on a kernel image supporting multiple platforms, omap_init_drm
will create a omapdrm platform device on a AM33xx platform even though it
doesn't have a DSS block.

Originally worked on by Andy Gross.

Cc: Andy Gross <andygro@gmail.com>
Signed-off-by: Archit Taneja <archit@ti.com>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-10-08 14:02:35 -07:00
Archit Taneja
7dfebabd48 ARM: OMAP2+: drm: Don't build device for DMM
DMM exists on omap4+ platforms, these platforms are always expected to boot with
DT. Remove the current method of searching the dmm hwmod and building an
omap_device for dmm.

For OMAP4, the address and irq data for DMM hwmod(along with other blocks) were
removed, so the current method fails in the dmm driver's probe anyway.

The addition of DMM nodes in DT will ensure that a DMM device is built
correctly.

Cc: Andy Gross <andygro@gmail.com>
Signed-off-by: Archit Taneja <archit@ti.com>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-10-08 13:59:20 -07:00
Pali Rohár
d2065e2b5b RX-51: Add support for OMAP3 ROM Random Number Generator
Adding this driver as platform device and only for RX-51 until somebody test if
it working also on other OMAP3 HS devices and until there will be generic ARM
way to deal with SMC calls.

Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
[tony@atomide.com: folded in the clock alias change]
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-10-08 12:02:12 -07:00
Pali Rohár
4748a72402 ARM: OMAP3: RX-51: ARM errata 430973 workaround
Closed and signed Nokia X-Loader bootloader stored in RX-51 nand does not set
IBE bit in ACTLR and starting kernel in non-secure mode. So direct write to
ACTLR by our kernel does not working and the code for ARM errata 430973 in
commit 7ce236fcd6 that sets IBE bit is a noop.

In order to have workaround for ARM errata 430973 from non-secure world on
RX-51 we needs Secure Monitor Call to set IBE BIT in ACTLR.

This patch adds RX-51 specific secure support code and sets IBE bit in ACTLR
during board init code for ARM errata 430973 workaround.

Note that new function rx51_secure_dispatcher() differs from existing
omap_secure_dispatcher(). It calling omap_smc3() and param[0] is nargs+1.

ARM errata 430973 workaround is needed for thumb-2 ISA compiled userspace
binaries. Without this workaround thumb-2 binaries crashing. So with this
patch it is possible to recompile and run applications/binaries with thumb-2
ISA on RX-51.

Signed-off-by: Ivaylo Dimitrov <freemangordon@abv.bg>
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-10-08 11:57:04 -07:00
Pali Rohár
a33f178819 ARM: OMAP3: Add secure function omap_smc3() which calling instruction smc #1
Here is new version (v4) of omap secure part patch:

Other secure functions omap_smc1() and omap_smc2() calling instruction smc #0
but Nokia RX-51 board needs to call smc #1 for PPA access.

Signed-off-by: Ivaylo Dimitrov <freemangordon@abv.bg>
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-10-08 11:55:32 -07:00
Pali Rohár
d1f1ca36b5 ARM: OMAP2: RX-51: Add missing max_current to rx51_lp5523_led_config
File drivers/leds/leds-lp55xx-common.c refuse to change led_current sysfs
attribute if value is higher than max_current specified in board file. By default
global C variables are zero, so changing always failed. This patch adding missing
max_current and setting it to max safe value 100 (10 mA).

It is unclear which commit exactly caused this regression as the lp5523
driver was broken and was hiding the platform data breakage. Now
the driver is fixed so this should be fixed as well.

Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Joerg Reisenweber <joerg@openmoko.org>
[tony@atomide.com: updated comments to describe regression]
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-10-08 11:22:43 -07:00
Simon Barth
0b8214fe18 ARM: mach-omap2: board-generic: fix undefined symbol
Since dra7 reuses the  function 'omap5_realtime_timer_init' in
arch/arm/mach-omap2/board-generic.c as timer init function, it has to be
built for this SoC as well.

Signed-off-by: Simon Barth <Simon.Pe.Barth@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-10-08 10:40:36 -07:00
Tony Lindgren
d623a0e19d ARM: dts: Fix pinctrl mask for omap3
The wake-up interrupt bit is available on omap3/4/5 processors
unlike what we claim. Without fixing it we cannot use it on
omap3 and the system configured for wake-up events will just
hang on wake-up.

Cc: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: Benoît Cousson <bcousson@baylibre.com>
Cc: devicetree@vger.kernel.org
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-10-08 10:37:29 -07:00
Nishanth Menon
016c12d2fb ARM: OMAP3: Fix hardware detection for omap3630 when booted with device tree
SoC family definitions at the moment are reactive to board needs
as a result, beagle-xm would matchup with ti,omap3 which invokes
omap3430_init_early instead of omap3630_init_early. Obviously, this is
the wrong behavior.

With clock node dts conversion, we get the following warnings before
system hangs as a result and 3630 based platforms fails to boot
(uart4 clocks are only present in OMAP3630 and not present in
OMAP3430):

...
omap_hwmod: uart4: cannot clk_get main_clk uart4_fck
omap_hwmod: uart4: cannot _init_clocks

WARNING: CPU: 0 PID: 1 at arch/arm/mach-omap2/omap_hwmod.c:2434
_init+0x6c/0x80()
omap_hwmod: uart4: couldn't init clocks
...

WARNING: CPU: 0 PID: 1 at arch/arm/mach-omap2/omap_hwmod.c:2126
_enable+0x254/0x280()
omap_hwmod: timer12: enabled state can only be entered from
initialized, idle, or disabled state
...

WARNING: CPU: 0 PID: 46 at arch/arm/mach-omap2/omap_hwmod.c:2224
_idle+0xd4/0xf8()
omap_hwmod: timer12: idle state can only be entered from enabled state

WARNING: CPU: 0 PID: 1 at arch/arm/mach-omap2/omap_hwmod.c:2126
_enable+0x254/0x280()
omap_hwmod: uart4: enabled state can only be entered from
initialized, idle, or disabled state

So, add specific compatiblity for 3630 to allow match for Beagle-XM
platform.

Signed-off-by: Nishanth Menon <nm@ti.com>
[tony@atomide.com: left out ti,omap343x, updated comments]
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-10-08 10:32:24 -07:00
Uwe Kleine-König
07d8a49c26 ARM: drop explicit selection of HAVE_CLK and CLKDEV_LOOKUP
CLKDEV_LOOKUP selects HAVE_CLK and COMMON_CLK selects CLKDEV_LOOKUP. So
all symbols that select at least two of these symbols can be simplified.

For imx, omap2 and ux500 some rearrangements were necessary before the
simplification.

Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Dinh Nguyen <dinguyen@altera.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Pawel Moll <pawel.moll@arm.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-10-07 10:41:32 -07:00
Roger Quadros
33d7be3540 ARM: OMAP2+: usb-host: Adapt to USB phy-nop RESET line changes
The USB phy-nop nop driver expects the RESET line information
to be sent as a GPIO number via platform data. Adapt to that.

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-10-04 09:29:11 -05:00
Roger Quadros
67c8d06364 ARM: OMAP2+: omap-usb-host: Get rid of platform_data from struct usbhs_phy_data
The platform data bits can be inferred from the other members of
struct usbhs_phy_data. So get rid of the platform_data member.

Build the platform data for the PHY device in usbhs_init_phys() instead.

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-10-04 09:29:10 -05:00
Michael Opdenacker
fe806d04d0 ARM: OMAP: remove deprecated IRQF_DISABLED
This patch proposes to remove the IRQF_DISABLED flag from OMAP code
It's a NOOP since 2.6.35, and will be removed one day.

Signed-off-by: Michael Opdenacker <michael.opdenacker@free-electrons.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-10-03 13:24:36 -07:00
Linus Walleij
de26804b60 ARM: OMAP2+: throw the die id into the entropy pool
At least eight bytes of this number are totally unique for the device
it seems, so this is a perfect candidate for feeding the entropy
pool. One byte more or less of constants does not matter so feed in
the entire OID struct.

This fixes the issue of similar devices initializing to the
same state initially.

Further registers could be added too, such as OMAP4
CONTROL_STD_FUSE_OPP* and CONTROL_DPLL_NWELL_TRIM* registers,
but those vary based on the SoC generation.

Cc: Theodore Ts'o <tytso@mit.edu>
Cc: Paul Walmsley <paul@pwsan.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Reviewed-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
[tony@atomide.com: updated comments per mailing list discussion]
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-10-03 11:08:56 -07:00
Aaro Koskinen
1dc1c33879 ARM: OMAP2: gpmc-onenand: fix sync mode setup with DT
With DT-based boot, the GPMC OneNAND sync mode setup does not work
correctly. During the async mode setup, sync flags gets incorrectly
set in the onenand_async data and the system crashes during the async
setup. Also, the sync mode never gets set in gpmc_onenand_data->flags, so
even without the crash, the actual sync mode setup would never be called.

The patch fixes this by adjusting the gpmc_onenand_data->flags when the
data is read from the DT. Also while doing this we force the onenand_async
to be always async.

The patch enables to use the following DTS chunk (that should correspond
the arch/arm/mach-omap2/board-rm680.c board file setup) with Nokia N950,
which currently crashes with 3.12-rc1. The crash output can be also
found below.

&gpmc {
	ranges = <0 0 0x04000000 0x20000000>;

	onenand@0,0 {
		#address-cells = <1>;
		#size-cells = <1>;
		reg = <0 0 0x20000000>;

		gpmc,sync-read;
		gpmc,sync-write;
		gpmc,burst-length = <16>;
		gpmc,burst-read;
		gpmc,burst-wrap;
		gpmc,burst-write;
		gpmc,device-width = <2>;
		gpmc,mux-add-data = <2>;
		gpmc,cs-on-ns = <0>;
		gpmc,cs-rd-off-ns = <87>;
		gpmc,cs-wr-off-ns = <87>;
		gpmc,adv-on-ns = <0>;
		gpmc,adv-rd-off-ns = <10>;
		gpmc,adv-wr-off-ns = <10>;
		gpmc,oe-on-ns = <15>;
		gpmc,oe-off-ns = <87>;
		gpmc,we-on-ns = <0>;
		gpmc,we-off-ns = <87>;
		gpmc,rd-cycle-ns = <112>;
		gpmc,wr-cycle-ns = <112>;
		gpmc,access-ns = <81>;
		gpmc,page-burst-access-ns = <15>;
		gpmc,bus-turnaround-ns = <0>;
		gpmc,cycle2cycle-delay-ns = <0>;
		gpmc,wait-monitoring-ns = <0>;
		gpmc,clk-activation-ns = <5>;
		gpmc,wr-data-mux-bus-ns = <30>;
		gpmc,wr-access-ns = <81>;
		gpmc,sync-clk-ps = <15000>;
	};
};

[    1.467559] GPMC CS0: cs_on     :   0 ticks,   0 ns (was   0 ticks)   0 ns
[    1.474822] GPMC CS0: cs_rd_off :   1 ticks,   5 ns (was  24 ticks)   5 ns
[    1.482116] GPMC CS0: cs_wr_off :  14 ticks,  71 ns (was  24 ticks)  71 ns
[    1.489349] GPMC CS0: adv_on    :   0 ticks,   0 ns (was   0 ticks)   0 ns
[    1.496582] GPMC CS0: adv_rd_off:   3 ticks,  15 ns (was   3 ticks)  15 ns
[    1.503845] GPMC CS0: adv_wr_off:   3 ticks,  15 ns (was   3 ticks)  15 ns
[    1.511077] GPMC CS0: oe_on     :   3 ticks,  15 ns (was   4 ticks)  15 ns
[    1.518310] GPMC CS0: oe_off    :   1 ticks,   5 ns (was  24 ticks)   5 ns
[    1.525543] GPMC CS0: we_on     :   0 ticks,   0 ns (was   0 ticks)   0 ns
[    1.532806] GPMC CS0: we_off    :   8 ticks,  40 ns (was  24 ticks)  40 ns
[    1.540039] GPMC CS0: rd_cycle  :   4 ticks,  20 ns (was  29 ticks)  20 ns
[    1.547302] GPMC CS0: wr_cycle  :   4 ticks,  20 ns (was  29 ticks)  20 ns
[    1.554504] GPMC CS0: access    :   0 ticks,   0 ns (was  23 ticks)   0 ns
[    1.561767] GPMC CS0: page_burst_access:   0 ticks,   0 ns (was   3 ticks)   0 ns
[    1.569641] GPMC CS0: bus_turnaround:   0 ticks,   0 ns (was   0 ticks)   0 ns
[    1.577270] GPMC CS0: cycle2cycle_delay:   0 ticks,   0 ns (was   0 ticks)   0 ns
[    1.585144] GPMC CS0: wait_monitoring:   0 ticks,   0 ns (was   0 ticks)   0 ns
[    1.592834] GPMC CS0: clk_activation:   0 ticks,   0 ns (was   0 ticks)   0 ns
[    1.600463] GPMC CS0: wr_data_mux_bus:   5 ticks,  25 ns (was   8 ticks)  25 ns
[    1.608154] GPMC CS0: wr_access :   0 ticks,   0 ns (was  23 ticks)   0 ns
[    1.615386] GPMC CS0 CLK period is 5 ns (div 1)
[    1.625122] Unhandled fault: external abort on non-linefetch (0x1008) at 0xf009e442
[    1.633178] Internal error: : 1008 [#1] ARM
[    1.637573] Modules linked in:
[    1.640777] CPU: 0 PID: 1 Comm: swapper Not tainted 3.12.0-rc1-n9xx-los.git-5318619-00006-g4baa700-dirty #26
[    1.651123] task: ef04c000 ti: ef050000 task.ti: ef050000
[    1.656799] PC is at gpmc_onenand_setup+0x98/0x1e0
[    1.661865] LR is at gpmc_cs_set_timings+0x494/0x5a4
[    1.667083] pc : [<c002e040>]    lr : [<c001f384>]    psr: 60000113
[    1.667083] sp : ef051d10  ip : ef051ce0  fp : ef051d94
[    1.679138] r10: c0caaf60  r9 : ef050000  r8 : ef18b32c
[    1.684631] r7 : f0080000  r6 : c0caaf60  r5 : 00000000  r4 : f009e400
[    1.691497] r3 : f009e442  r2 : 80050000  r1 : 00000014  r0 : 00000000
[    1.698333] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment kernel
[    1.706024] Control: 10c5387d  Table: af290019  DAC: 00000015
[    1.712066] Process swapper (pid: 1, stack limit = 0xef050240)
[    1.718200] Stack: (0xef051d10 to 0xef052000)
[    1.722778] 1d00:                                     00004000 00001402 00000000 00000005
[    1.731384] 1d20: 00000047 00000000 0000000f 0000000f 00000000 00000028 0000000f 00000005
[    1.739990] 1d40: 00000000 00000000 00000014 00000014 00000000 00000000 00000000 00000000
[    1.748596] 1d60: 00000000 00000019 00000000 00000000 ef18b000 ef099c50 c0c8cb30 00000000
[    1.757171] 1d80: c0488074 c048f868 ef051dcc ef051d98 c024447c c002dfb4 00000000 c048f868
[    1.765777] 1da0: 00000000 00000000 c010e4a4 c0dbbb7c c0c8cb40 00000000 c0ca2500 c0488074
[    1.774383] 1dc0: ef051ddc ef051dd0 c01fd508 c0244370 ef051dfc ef051de0 c01fc204 c01fd4f4
[    1.782989] 1de0: c0c8cb40 c0ca2500 c0c8cb74 00000000 ef051e1c ef051e00 c01fc3b0 c01fc104
[    1.791595] 1e00: ef0983bc 00000000 c0ca2500 c01fc31c ef051e44 ef051e20 c01fa794 c01fc328
[    1.800201] 1e20: ef03634c ef0983b0 ef27d534 c0ca2500 ef27d500 c0c9a2f8 ef051e54 ef051e48
[    1.808807] 1e40: c01fbcfc c01fa744 ef051e84 ef051e58 c01fb838 c01fbce4 c0411df8 c0caa040
[    1.817413] 1e60: ef051e84 c0ca2500 00000006 c0caa040 00000066 c0488074 ef051e9c ef051e88
[    1.825988] 1e80: c01fca30 c01fb768 c04975b8 00000006 ef051eac ef051ea0 c01fd728 c01fc9bc
[    1.834594] 1ea0: ef051ebc ef051eb0 c048808c c01fd6e4 ef051f4c ef051ec0 c0008888 c0488080
[    1.843200] 1ec0: 0000006f c046bae8 00000000 00000000 ef051efc ef051ee0 ef051f04 ef051ee8
[    1.851806] 1ee0: c046d400 c0181218 c046d410 c18da8d5 c036a8e4 00000066 ef051f4c ef051f08
[    1.860412] 1f00: c004b9a8 c046d41c c048f840 00000006 00000006 c046b488 00000000 c043ec08
[    1.869018] 1f20: ef051f4c c04975b8 00000006 c0caa040 00000066 c046d410 c048f85c c048f868
[    1.877593] 1f40: ef051f94 ef051f50 c046db8c c00087a0 00000006 00000006 c046d410 ffffffff
[    1.886199] 1f60: ffffffff ffffffff ffffffff 00000000 c0348fd0 00000000 00000000 00000000
[    1.894805] 1f80: 00000000 00000000 ef051fac ef051f98 c0348fe0 c046daa8 00000000 00000000
[    1.903411] 1fa0: 00000000 ef051fb0 c000e7f8 c0348fdc 00000000 00000000 00000000 00000000
[    1.912017] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[    1.920623] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ffffffff ffffffff
[    1.929199] Backtrace:
[    1.931793] [<c002dfa8>] (gpmc_onenand_setup+0x0/0x1e0) from [<c024447c>] (omap2_onenand_probe+0x118/0x49c)
[    1.942047] [<c0244364>] (omap2_onenand_probe+0x0/0x49c) from [<c01fd508>] (platform_drv_probe+0x20/0x24)
[    1.952117]  r8:c0488074 r7:c0ca2500 r6:00000000 r5:c0c8cb40 r4:c0dbbb7c
[    1.959197] [<c01fd4e8>] (platform_drv_probe+0x0/0x24) from [<c01fc204>] (driver_probe_device+0x10c/0x224)
[    1.969360] [<c01fc0f8>] (driver_probe_device+0x0/0x224) from [<c01fc3b0>] (__driver_attach+0x94/0x98)
[    1.979125]  r7:00000000 r6:c0c8cb74 r5:c0ca2500 r4:c0c8cb40
[    1.985107] [<c01fc31c>] (__driver_attach+0x0/0x98) from [<c01fa794>] (bus_for_each_dev+0x5c/0x90)
[    1.994506]  r6:c01fc31c r5:c0ca2500 r4:00000000 r3:ef0983bc
[    2.000488] [<c01fa738>] (bus_for_each_dev+0x0/0x90) from [<c01fbcfc>] (driver_attach+0x24/0x28)
[    2.009735]  r6:c0c9a2f8 r5:ef27d500 r4:c0ca2500
[    2.014587] [<c01fbcd8>] (driver_attach+0x0/0x28) from [<c01fb838>] (bus_add_driver+0xdc/0x260)
[    2.023742] [<c01fb75c>] (bus_add_driver+0x0/0x260) from [<c01fca30>] (driver_register+0x80/0xfc)
[    2.033081]  r8:c0488074 r7:00000066 r6:c0caa040 r5:00000006 r4:c0ca2500
[    2.040161] [<c01fc9b0>] (driver_register+0x0/0xfc) from [<c01fd728>] (__platform_driver_register+0x50/0x64)
[    2.050476]  r5:00000006 r4:c04975b8
[    2.054260] [<c01fd6d8>] (__platform_driver_register+0x0/0x64) from [<c048808c>] (omap2_onenand_driver_init+0x18/0x20)
[    2.065490] [<c0488074>] (omap2_onenand_driver_init+0x0/0x20) from [<c0008888>] (do_one_initcall+0xf4/0x150)
[    2.075836] [<c0008794>] (do_one_initcall+0x0/0x150) from [<c046db8c>] (kernel_init_freeable+0xf0/0x1b4)
[    2.085815] [<c046da9c>] (kernel_init_freeable+0x0/0x1b4) from [<c0348fe0>] (kernel_init+0x10/0xec)
[    2.095336] [<c0348fd0>] (kernel_init+0x0/0xec) from [<c000e7f8>] (ret_from_fork+0x14/0x3c)
[    2.104125]  r4:00000000 r3:00000000
[    2.107879] Code: ebffc3ae e2505000 ba00002e e2843042 (e1d320b0)
[    2.114318] ---[ end trace b8ee3e3e5e002451 ]---

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-10-03 10:59:50 -07:00
Vivien Didelot
25f73ed5c6 misc: (at24) move header to linux/platform_data/
This patch moves the at24.h header from include/linux/i2c to
include/linux/platform_data and updates existing support accordingly.

It also fixes the following checkpatch warning:

    WARNING: please, no space before tabs
    #436: FILE: include/linux/platform_data/at24.h:31:
    + * ^Iu8 *mac_addr = ethernet_pdata->mac_addr;$

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2013-09-30 06:02:34 +02:00
Kishon Vijay Abraham I
6c27f939b8 arm: omap3: twl: add phy consumer data in twl4030_usb_data
The PHY framework uses the phy consumer data populated in platform data in the
case of non-dt boot to return the reference to the PHY when the controller
(PHY consumer) requests for it. So populated the phy consumer data in the platform
data of twl usb.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-09-27 17:36:58 -07:00
Aaro Koskinen
faf4bd47b0 ARM: OMAP2+: pdata-quirks: set internal clock source for MMC2 on N950/N9
Set internal clock source for MMC2 on N950/N9.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-09-25 16:14:30 -07:00
Tony Lindgren
5f0a2c6976 ARM: OMAP2+: Use pdata quirks for wl12xx legacy init
Let's use the platform data quirk support for wl12xx
and move the board specific code out of devices.c.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-09-25 15:44:40 -07:00
Tony Lindgren
3e7a318530 ARM: OMAP2+: Use pdata quirk support for board-generic.c
Let's use platform data quirk support for board-generic.c.
This removes all board specific hacks out of board-generic.c.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-09-25 15:44:39 -07:00
Tony Lindgren
6a08e1e6f7 ARM: OMAP2+: Add quirk support for legacy platform data init
We want to drop the board-*.c files but keep things working.
Let's make it a bit easier to support legacy platform data
init with quirks. This also keeps board-generic.c clean from
board specific hacks.

For now, the quirks table is empty, that is populated
in the later patches.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-09-25 15:44:39 -07:00
Tony Lindgren
f2acae69a2 ARM: OMAP2+: Always build in board-generic
We are moving to device tree based booting, so board-generic
should always be built.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-09-25 15:44:39 -07:00
Phil Carmody
e942cc06e2 ARM: OMAP2+: mux: fix trivial typo in name
Fix trivial typo in name.

Signed-off-by: Phil Carmody <phil.carmody@partner.samsung.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-09-18 12:02:01 -07:00
Anoop Thomas Mathew
b6b2485214 ARM: OMAP4 SMP: Corrected a typo fucntions to functions
Corrected the functions spelling mistake in the OMAP4 SMP source file.

Signed-off-by: Anoop Thomas Mathew <atm@profoundis.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-09-18 12:02:00 -07:00
Vladimir Murzin
783502719c ARM: OMAP4: cpuidle: fix: call cpu_cluster_pm_exit conditionally
We call cpu_cluster_pm_enter for dev->cpu == 0 only, but
cpu_cluster_pm_exit called without that check.

Because of that unhandled page fault may happen:

[    3.803405] Unable to handle kernel paging request at virtual address 00002500
[    3.810974] pgd = c0004000
[    3.813812] [00002500] *pgd=00000000
[    3.817596] Internal error: Oops: 5 [#1] SMP ARM
[    3.822418] Modules linked in:
[    3.825653] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 3.11.0-rc6+ #21
[    3.832397] task: ed86ef40 ti: ed896000 task.ti: ed896000
[    3.838073] PC is at irq_notifier+0x234/0x25c
[    3.842651] LR is at irq_notifier+0x218/0x25c
[    3.847229] pc : [<c0029ed8>]    lr : [<c0029ebc>]    psr: 80000193
[    3.847229] sp : ed897ee8  ip : 00000005  fp : 00000001
[    3.859283] r10: c0b395f0  r9 : c0b30594  r8 : c0b8c2ac
[    3.864776] r7 : ffffffff  r6 : 00000000  r5 : 00000005  r4 : 00000000
[    3.871643] r3 : 00002500  r2 : 00000000  r1 : 00000005  r0 : 44302244
[    3.878479] Flags: Nzcv  IRQs off  FIQs on  Mode SVC_32  ISA ARM  Segment kernel
[    3.886260] Control: 10c5387d  Table: 8000404a  DAC: 00000015
[    3.892272] Process swapper/1 (pid: 0, stack limit = 0xed896240)
[    3.898590] Stack: (0xed897ee8 to 0xed898000)
[    3.903167] 7ee0:                   c0979c3a 00000001 ed897ef8 ed896000 c0014f7c 00000000
[    3.911743] 7f00: 00000005 00000000 ffffffff c0b8c2ac c0b395f0 c077c04c c0c94b48 c0b3953c
[    3.920318] 7f20: c0bcd928 00000002 c0b39524 c00cfad8 00000000 ffffffff 00000000 c00cfb10
[    3.928924] 7f40: c14e62c0 c002c1c8 c002c0ac c14e62c0 00000002 e251c37d 00000000 c0b39548
[    3.937499] 7f60: c0b395f0 c05a1bc4 e251c37d 00000000 00000005 c05a3870 edc90380 edc90380
[    3.946105] 7f80: edc90394 c14e62c0 c0b39548 00000002 c0784064 c05a3c78 c0b395e0 c14e62c0
[    3.954681] 7fa0: 00000002 c0b39548 c0bc9db8 00000000 00000001 c05a1dc0 ed896000 00000015
[    3.963287] 7fc0: c0bc9db8 ed896000 8000406a c0b30594 c0784064 c000e504 00000746 c007a528
[    3.971862] 7fe0: 00000001 0000001d 600001d3 c0bcc004 00000000 800086c4 ee0aa6a7 d2aabaa9
[    3.980499] [<c0029ed8>] (irq_notifier+0x234/0x25c) from [<c077c04c>] (notifier_call_chain+0x38/0x68)
[    3.990173] [<c077c04c>] (notifier_call_chain+0x38/0x68) from [<c00cfad8>] (cpu_pm_notify+0x20/0x38)
[    3.999786] [<c00cfad8>] (cpu_pm_notify+0x20/0x38) from [<c00cfb10>] (cpu_cluster_pm_exit+0x20/0x50)
[    4.009399] [<c00cfb10>] (cpu_cluster_pm_exit+0x20/0x50) from [<c002c1c8>] (omap_enter_idle_coupled+0x11c/0x14c)
[    4.020111] [<c002c1c8>] (omap_enter_idle_coupled+0x11c/0x14c) from [<c05a1bc4>] (cpuidle_enter_state+0x40/0xec)
[    4.030822] [<c05a1bc4>] (cpuidle_enter_state+0x40/0xec) from [<c05a3c78>] (cpuidle_enter_state_coupled+0x1f4/0x240)
[    4.041870] [<c05a3c78>] (cpuidle_enter_state_coupled+0x1f4/0x240) from [<c05a1dc0>] (cpuidle_idle_call+0x150/0x228)
[    4.052947] [<c05a1dc0>] (cpuidle_idle_call+0x150/0x228) from [<c000e504>] (arch_cpu_idle+0x8/0x38)
[    4.062499] [<c000e504>] (arch_cpu_idle+0x8/0x38) from [<c007a528>] (cpu_startup_entry+0x178/0x1e4)
[    4.071990] [<c007a528>] (cpu_startup_entry+0x178/0x1e4) from [<800086c4>] (0x800086c4)
[    4.080383] Code: e5922288 03a03b0a 13a03c25 e0823003 (e5932000)
[    4.086791] ---[ end trace d83954a84a6fa69e ]---

It is supposed that sar_base is initialized in irq_save_context, which
is called on CPU_CLUSTER_PM_ENTER notification. If this notification
has been missed and CPU_CLUSTER_PM_EXIT is received sar_base is NULL.

Fix it by calling CPU_CLUSTER_PM_{ENTER,EXIT} under the same condition.

Signed-off-by: Vladimir Murzin <murzin.v@gmail.com>
Acked-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-09-18 12:02:00 -07:00
Fabio Estevam
f70bf2a3fd ARM: mach-omap2: gpmc: Fix warning when CONFIG_ARM_LPAE=y
When CONFIG_ARM_LPAE=y the following build warning is generated:

arch/arm/mach-omap2/gpmc.c:1495:4: warning: format '%x' expects argument of type 'unsigned int', but argument 4 has type 'resource_size_t' [-Wformat]

According to Documentation/printk-formats.txt '%pa' can be used to properly
print 'resource_size_t'.

Reported-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-09-18 12:01:59 -07:00
Wei Yongjun
4cf9cf8967 ARM: OMAP: fix return value check in omap_device_build_from_dt()
In case of error, the function omap_device_alloc() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check
should be replaced with IS_ERR().

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-09-18 12:01:58 -07:00
Tony Lindgren
2cfeed3142 ARM: OMAP4: Fix clock_get error for GPMC during boot
Looks like we still have the legacy clock alias name for
omap4 GPMC (General Purpose Memory Controller), so let's
fix it for the device tree naming. There's no need to keep
the legacy naming as omap4 is DT only nowadays.

Without this fix we get the following error while booting:

[    0.440399] omap-gpmc 50000000.gpmc: error: clk_get

Reported-by: Olof Johansson <olof@lixom.net>
Cc: stable@vger.kernel.org # v3.11
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-09-18 12:01:58 -07:00
Linus Torvalds
6404141718 ARM: SoC late changes for v3.12
These are changes that arrived a little late before the merge window,
 or had dependencies on previous branches.
 
 Highlights:
 - ux500: misc. cleanup, fixup I2C devices
 - exynos: DT updates for RTC; PM updates
 - at91: DT updates for NAND; new platforms added to generic defconfig
 - sunxi: DT updates: cubieboard2, pinctrl driver, gated clocks
 - highbank: LPAE fixes, select necessary ARM errata
 - omap: PM fixes and improvements; OMAP5 mailbox support
 - omap: basic support for new DRA7xx SoCs
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Merge tag 'late-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC late changes from Kevin Hilman:
 "These are changes that arrived a little late before the merge window,
  or had dependencies on previous branches.

  Highlights:
   - ux500: misc.  cleanup, fixup I2C devices
   - exynos: DT updates for RTC; PM updates
   - at91: DT updates for NAND; new platforms added to generic defconfig
   - sunxi: DT updates: cubieboard2, pinctrl driver, gated clocks
   - highbank: LPAE fixes, select necessary ARM errata
   - omap: PM fixes and improvements; OMAP5 mailbox support
   - omap: basic support for new DRA7xx SoCs"

* tag 'late-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (60 commits)
  ARM: dts: vexpress: Add CCI node to TC2 device-tree
  ARM: EXYNOS: Skip C1 cpuidle state for exynos5440
  ARM: EXYNOS: always enable PM domains support for EXYNOS4X12
  ARM: highbank: clean-up some unused includes
  ARM: sun7i: Enable the A20 clocks in the DTSI
  ARM: sun6i: Enable clock support in the DTSI
  ARM: sun5i: dt: Use the A10s gates in the DTSI
  ARM: at91: at91_dt_defconfig: enable rm9200 support
  ARM: dts: add ADC device tree node for exynos5420/5250
  ARM: dts: Add RTC DT node to Exynos5420 SoC
  ARM: dts: Update the "status" property of RTC DT node for Exynos5250 SoC
  ARM: dts: Fix the RTC DT node name for Exynos5250
  irqchip: mmp: avoid to include irqs head file
  ARM: mmp: avoid to include head file in mach-mmp
  irqchip: mmp: support irqchip
  irqchip: move mmp irq driver
  ARM: OMAP: AM33xx: clock: Add RNG clock data
  ARM: OMAP: TI81XX: add always-on powerdomain for TI81XX
  ARM: OMAP4: clock: Lock PLLs in the right sequence
  ARM: OMAP: AM33XX: hwmod: Add hwmod data for debugSS
  ...
2013-09-09 16:35:29 -07:00
Linus Torvalds
6be48f2940 Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto update from Herbert Xu:
 "Here is the crypto update for 3.12:

   - Added MODULE_SOFTDEP to allow pre-loading of modules.
   - Reinstated crct10dif driver using the module softdep feature.
   - Allow via rng driver to be auto-loaded.

   - Split large input data when necessary in nx.
   - Handle zero length messages correctly for GCM/XCBC in nx.
   - Handle SHA-2 chunks bigger than block size properly in nx.

   - Handle unaligned lengths in omap-aes.
   - Added SHA384/SHA512 to omap-sham.
   - Added OMAP5/AM43XX SHAM support.
   - Added OMAP4 TRNG support.

   - Misc fixes"

* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (66 commits)
  Reinstate "crypto: crct10dif - Wrap crc_t10dif function all to use crypto transform framework"
  hwrng: via - Add MODULE_DEVICE_TABLE
  crypto: fcrypt - Fix bitoperation for compilation with clang
  crypto: nx - fix SHA-2 for chunks bigger than block size
  crypto: nx - fix GCM for zero length messages
  crypto: nx - fix XCBC for zero length messages
  crypto: nx - fix limits to sg lists for AES-CCM
  crypto: nx - fix limits to sg lists for AES-XCBC
  crypto: nx - fix limits to sg lists for AES-GCM
  crypto: nx - fix limits to sg lists for AES-CTR
  crypto: nx - fix limits to sg lists for AES-CBC
  crypto: nx - fix limits to sg lists for AES-ECB
  crypto: nx - add offset to nx_build_sg_lists()
  padata - Register hotcpu notifier after initialization
  padata - share code between CPU_ONLINE and CPU_DOWN_FAILED, same to CPU_DOWN_PREPARE and CPU_UP_CANCELED
  hwrng: omap - reorder OMAP TRNG driver code
  crypto: omap-sham - correct dma burst size
  crypto: omap-sham - Enable Polling mode if DMA fails
  crypto: tegra-aes - bitwise vs logical and
  crypto: sahara - checking the wrong variable
  ...
2013-09-07 14:31:18 -07:00
Herbert Xu
eeca9fad52 Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
Merge upstream tree in order to reinstate crct10dif.
2013-09-07 12:53:35 +10:00
Linus Torvalds
b4b50fd78b ARM: SoC platform changes for 3.12
This branch contains mostly additions and changes to platform enablement
 and SoC-level drivers. Since there's sometimes a dependency on device-tree
 changes, there's also a fair amount of those in this branch.
 
 Pieces worth mentioning are:
 
 - Mbus driver for Marvell platforms, allowing kernel configuration
   and resource allocation of on-chip peripherals.
 - Enablement of the mbus infrastructure from Marvell PCI-e drivers.
 - Preparation of MSI support for Marvell platforms.
 - Addition of new PCI-e host controller driver for Tegra platforms
 - Some churn caused by sharing of macro names between i.MX 6Q and 6DL
   platforms in the device tree sources and header files.
 - Various suspend/PM updates for Tegra, including LP1 support.
 - Versatile Express support for MCPM, part of big little support.
 - Allwinner platform support for A20 and A31 SoCs (dual and quad Cortex-A7)
 - OMAP2+ support for DRA7, a new Cortex-A15-based SoC.
 
 The code that touches other architectures are patches moving
 MSI arch-specific functions over to weak symbols and removal of
 ARCH_SUPPORTS_MSI, acked by PCI maintainers.
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Merge tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform changes from Olof Johansson:
 "This branch contains mostly additions and changes to platform
  enablement and SoC-level drivers.  Since there's sometimes a
  dependency on device-tree changes, there's also a fair amount of
  those in this branch.

  Pieces worth mentioning are:

   - Mbus driver for Marvell platforms, allowing kernel configuration
     and resource allocation of on-chip peripherals.
   - Enablement of the mbus infrastructure from Marvell PCI-e drivers.
   - Preparation of MSI support for Marvell platforms.
   - Addition of new PCI-e host controller driver for Tegra platforms
   - Some churn caused by sharing of macro names between i.MX 6Q and 6DL
     platforms in the device tree sources and header files.
   - Various suspend/PM updates for Tegra, including LP1 support.
   - Versatile Express support for MCPM, part of big little support.
   - Allwinner platform support for A20 and A31 SoCs (dual and quad
     Cortex-A7)
   - OMAP2+ support for DRA7, a new Cortex-A15-based SoC.

  The code that touches other architectures are patches moving MSI
  arch-specific functions over to weak symbols and removal of
  ARCH_SUPPORTS_MSI, acked by PCI maintainers"

* tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (266 commits)
  tegra-cpuidle: provide stub when !CONFIG_CPU_IDLE
  PCI: tegra: replace devm_request_and_ioremap by devm_ioremap_resource
  ARM: tegra: Drop ARCH_SUPPORTS_MSI and sort list
  ARM: dts: vf610-twr: enable i2c0 device
  ARM: dts: i.MX51: Add one more I2C2 pinmux entry
  ARM: dts: i.MX51: Move pins configuration under "iomuxc" label
  ARM: dtsi: imx6qdl-sabresd: Add USB OTG vbus pin to pinctrl_hog
  ARM: dtsi: imx6qdl-sabresd: Add USB host 1 VBUS regulator
  ARM: dts: imx27-phytec-phycore-som: Enable AUDMUX
  ARM: dts: i.MX27: Disable AUDMUX in the template
  ARM: dts: wandboard: Add support for SDIO bcm4329
  ARM: i.MX5 clocks: Remove optional clock setup (CKIH1) from i.MX51 template
  ARM: dts: imx53-qsb: Make USBH1 functional
  ARM i.MX6Q: dts: Enable I2C1 with EEPROM and PMIC on Phytec phyFLEX-i.MX6 Ouad module
  ARM i.MX6Q: dts: Enable SPI NOR flash on Phytec phyFLEX-i.MX6 Ouad module
  ARM: dts: imx6qdl-sabresd: Add touchscreen support
  ARM: imx: add ocram clock for imx53
  ARM: dts: imx: ocram size is different between imx6q and imx6dl
  ARM: dts: imx27-phytec-phycore-som: Fix regulator settings
  ARM: dts: i.MX27: Remove clock name from CPU node
  ...
2013-09-06 13:30:06 -07:00
Linus Torvalds
8e73e367f7 ARM: SoC cleanups for 3.12
This branch contains code cleanups, moves and removals for 3.12.
 
 There's a large number of various cleanups, and a nice net removal of
 13500 lines of code.
 
 Highlights worth mentioning are:
 
 - A series of patches from Stephen Boyd removing the ARM local timer API.
 - Move of Qualcomm MSM IOMMU code to drivers/iommu.
 - Samsung PWM driver cleanups from Tomasz Figa, removing legacy PWM driver
   and switching over to the drivers/pwm one.
 - Removal of some unusued auto-generated headers for OMAP2+ (PRM/CM).
 
 There's also a move of a header file out of include/linux/i2c/ to
 platform_data, where it really belongs. It touches mostly ARM platform
 code for include changes so we took it through our tree.
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Merge tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC cleanups from Olof Johansson:
 "This branch contains code cleanups, moves and removals for 3.12.

  There's a large number of various cleanups, and a nice net removal of
  13500 lines of code.

  Highlights worth mentioning are:

   - A series of patches from Stephen Boyd removing the ARM local timer
     API.
   - Move of Qualcomm MSM IOMMU code to drivers/iommu.
   - Samsung PWM driver cleanups from Tomasz Figa, removing legacy PWM
     driver and switching over to the drivers/pwm one.
   - Removal of some unusued auto-generated headers for OMAP2+ (PRM/CM).

  There's also a move of a header file out of include/linux/i2c/ to
  platform_data, where it really belongs.  It touches mostly ARM
  platform code for include changes so we took it through our tree"

* tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (83 commits)
  ARM: OMAP2+: Add back the define for AM33XX_RST_GLOBAL_WARM_SW_MASK
  gpio: (gpio-pca953x) move header to linux/platform_data/
  arm: zynq: hotplug: Remove unreachable code
  ARM: SAMSUNG: Remove unnecessary exynos4_default_sdhci*()
  tegra: simplify use of devm_ioremap_resource
  ARM: SAMSUNG: Remove plat/regs-timer.h header
  ARM: SAMSUNG: Remove remaining uses of plat/regs-timer.h header
  ARM: SAMSUNG: Remove pwm-clock infrastructure
  ARM: SAMSUNG: Remove old PWM timer platform devices
  pwm: Remove superseded pwm-samsung-legacy driver
  ARM: SAMSUNG: Modify board files to use new PWM platform device
  ARM: SAMSUNG: Rework private data handling in dev-backlight
  pwm: Add new pwm-samsung driver
  ARM: mach-mvebu: remove redundant DT parsing and validation
  ARM: msm: Only compile io.c on platforms that use it
  iommu/msm: Move mach includes to iommu directory
  ARM: msm: Remove devices-iommu.c
  ARM: msm: Move mach/board.h contents to common.h
  ARM: msm: Migrate msm_timer to CLOCKSOURCE_OF_DECLARE
  ARM: msm: Remove TMR and TMR0 static mappings
  ...
2013-09-06 13:21:16 -07:00
Linus Torvalds
d2f3e9eb7c ARM: SoC low-priority fixes for 3.12
This branch contains a handful of fixes for various platforms that
 weren't serious enough to be included in late 3.11-rc releases. Most of
 them are for minor cleanups and cosmetic fixes.
 
 There's also a bit of code removal here, one board file removal for
 clps711x, and removal of some legacy device creation on OMAP2+.
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Merge tag 'fixes-nc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC low-priority fixes from Olof Johansson:
 "This branch contains a handful of fixes for various platforms that
  weren't serious enough to be included in late 3.11-rc releases.  Most
  of them are for minor cleanups and cosmetic fixes.

  There's also a bit of code removal here, one board file removal for
  clps711x, and removal of some legacy device creation on OMAP2+"

* tag 'fixes-nc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (25 commits)
  ARM: OMAP2: use 'int' instead of 'unsigned' for variable 'gpmc_irq_start'
  ARM: OMAP2: remove useless variable 'ret'
  ARM: OMAP: dma: fix error return code in omap_system_dma_probe()
  ARM: OMAP2+: fix wrong address when loading PRM_FRAC_INCREMENTOR_DENUMERATOR_RELOAD
  ARM: OMAP2+: am33xx-restart: trigger warm reset on omap2+ boards
  ARM: OMAP2: Use a consistent AM33XX SoC option description
  ARM: OMAP2+: Remove legacy device creation for McPDM and DMIC
  ARM: clps711x: edb7211: Remove extra iotable_init() call
  ARM: clps711x: autcpu12: Remove incorrect config checking
  ARM: clps711x: Drop fortunet board support
  ARM: clps711x: Remove the special name for the syscon driver
  ARM: dts: Fix memory node in skeleton64.dtsi
  ARM: Keystone: Convert device tree file to use IRQ defines
  ARM: keystone: use #include to include skeleton.dtsi
  ARM: keystone: Drop the un-necessary dsb from keystone_cpu_smc()
  ARM: Keystone: No need to preserve r12 across smc call
  ARM: keystone: remove redundant smp_init_cpus definition
  ARM: keystone: drop useless HAVE_SCHED_CLOCK
  ARM: dove: fix missing __init section of dove_mpp_gpio_mode
  ARM: shmobile: armadillo800eva-reference: fix compiler warning
  ...
2013-09-06 13:17:02 -07:00
Linus Torvalds
eced5a0a5a OMAP specific fbdev changes for 3.12:
* Change the OMAP board files to use the new OMAP display drivers
 * Remove all the old drivers, and the related auxiliary code.
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Merge tag 'fbdev-3.12-omap-legacy-removal' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux

Pull OMAP specific fbdev changes from Tomi Valkeinen:
 "I've got this pull request separate from the main fbdev pull request,
  as this contains a bunch of OMAP board file changes and thus could
  possibly be rejected in case of bad conflicts.

  The removal of the old display drivers depend on the board file
  changes, so Tony Lindgren suggested taking them together via fbdev
  tree.  These are in linux-next, and also Tony didn't see any conflicts
  with any of the branches he had, so they should go in clean.

   - Change the OMAP board files to use the new OMAP display drivers

   - Remove all the old drivers, and the related auxiliary code"

* tag 'fbdev-3.12-omap-legacy-removal' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (35 commits)
  OMAPDSS: rename omap_dss_device's 'device' field to 'dst'
  OMAPDSS: rename omap_dss_device's 'output' to 'src'
  OMAPDSS: DSS: remove legacy dss bus support
  OMAPDSS: RFBI: remove code related to old panel model
  OMAPDSS: VENC: remove code related to old panel model
  OMAPDSS: SDI: remove code related to old panel model
  OMAPDSS: DSI: remove code related to old panel model
  OMAPDSS: HDMI: remove code related to old panel model
  OMAPDSS: DPI: remove code related to old panel model
  OMAPDSS: remove all old panel drivers
  OMAPDSS: DPI: change regulator handling
  OMAPDSS: SDI: change regulator handling
  OMAPDSS: fix DPI and SDI device ids
  OMAPDSS: remove omap_dss_device->channel field
  OMAPDSS: RFBI: Mark RFBI as broken
  ARM: OMAP2+: Remove old display drivers from omap2plus_defconfig
  ARM: OMAP: AM3517EVM: use new display drivers
  ARM: OMAP: Zoom: use new display drivers
  ARM: OMAP: Pandora: use new display drivers
  ARM: OMAP: OMAP3EVM: use new display drivers
  ...
2013-09-05 09:44:03 -07:00
Linus Torvalds
27703bb4a6 PTR_RET() is a weird name, and led to some confusing usage. We ended
up with PTR_ERR_OR_ZERO(), and replacing or fixing all the usages.
 
 This has been sitting in linux-next for a whole cycle.
 
 Thanks,
 Rusty.
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Merge tag 'PTR_RET-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux

Pull PTR_RET() removal patches from Rusty Russell:
 "PTR_RET() is a weird name, and led to some confusing usage.  We ended
  up with PTR_ERR_OR_ZERO(), and replacing or fixing all the usages.

  This has been sitting in linux-next for a whole cycle"

[ There are still some PTR_RET users scattered about, with some of them
  possibly being new, but most of them existing in Rusty's tree too.  We
  have that

      #define PTR_RET(p) PTR_ERR_OR_ZERO(p)

  thing in <linux/err.h>, so they continue to work for now  - Linus ]

* tag 'PTR_RET-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
  GFS2: Replace PTR_RET with PTR_ERR_OR_ZERO
  Btrfs: volume: Replace PTR_RET with PTR_ERR_OR_ZERO
  drm/cma: Replace PTR_RET with PTR_ERR_OR_ZERO
  sh_veu: Replace PTR_RET with PTR_ERR_OR_ZERO
  dma-buf: Replace PTR_RET with PTR_ERR_OR_ZERO
  drivers/rtc: Replace PTR_RET with PTR_ERR_OR_ZERO
  mm/oom_kill: remove weird use of ERR_PTR()/PTR_ERR().
  staging/zcache: don't use PTR_RET().
  remoteproc: don't use PTR_RET().
  pinctrl: don't use PTR_RET().
  acpi: Replace weird use of PTR_RET.
  s390: Replace weird use of PTR_RET.
  PTR_RET is now PTR_ERR_OR_ZERO(): Replace most.
  PTR_RET is now PTR_ERR_OR_ZERO
2013-09-04 17:31:11 -07:00
Linus Torvalds
b3b49114c8 USB patches for 3.12-rc1
Here's the big USB driver pull request for 3.12-rc1
 
 Lots of USB driver fixes and updates.  Nothing major, just the normal
 xhci, gadget, and other driver changes.  Full details in the shortlog.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB patches from Greg KH:
 "Here's the big USB driver pull request for 3.12-rc1

  Lots of USB driver fixes and updates.  Nothing major, just the normal
  xhci, gadget, and other driver changes.  Full details in the shortlog"

* tag 'usb-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (352 commits)
  usbcore: fix incorrect type in assignment in descriptors_changed()
  usbcore: compare and release one bos descriptor in usb_reset_and_verify_device()
  ehci: remove debugging statement with ehci statistics in ehci_stop()
  ehci: remove duplicate debug_async_open() prototype in ehci-dbg.c
  ehci: enable debugging code when CONFIG_DYNAMIC_DEBUG is set
  ehci: remove ehci_vdbg() verbose debugging statements
  Documentation sysfs-bus-usb: Document which files are used by libusb
  Documentation sysfs-bus-usb: Document the speed file used by libusb
  Documentation sysfs-bus-usb: Move files with known users to stable
  USB: fix build error when CONFIG_PM_SLEEP isn't enabled
  usb: r8a66597-hcd: use platform_{get,set}_drvdata()
  usb: phy-tegra-usb: use platform_{get,set}_drvdata()
  usb: acm gadget: Null termintate strings table
  dma: cppi41: off by one in desc_to_chan()
  xhci: Fix warning introduced by disabling runtime PM.
  dev-core: fix build break when DEBUG is enabled
  USB: OHCI: Allow runtime PM without system sleep
  usb: ohci-at91: remove unnecessary dev_set_drvdata()
  usb: renesas_usbhs: use platform_{get,set}_drvdata()
  usb: fotg210-udc: use platform_{get,set}_drvdata()
  ...
2013-09-03 11:35:32 -07:00
Tony Lindgren
7323f21953 ARM: OMAP2+: Add back the define for AM33XX_RST_GLOBAL_WARM_SW_MASK
This is needed to prevent a build error with a patch queued for fixes
"ARM: OMAP2+: am33xx-restart: trigger warm reset on omap2+ boards".

Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-08-29 19:10:59 -07:00
Olof Johansson
d296ebe0e6 Add basic support for devices on dra7xx by adding the PRCM and hwmod
parts the same way as for other omaps. This is still needed in
 addition to device tree support for things like power management.
 
 Via Paul Walmsley <paul@pwsan.com>:
 
 This series adds basic TI DRA7xx PRCM and hwmod support.
 
 Basic test logs are available here:
 
 http://www.pwsan.com/omap/testlogs/dra7xx_prcm_devel_v3.12/20130823050445/
 
 Note that DRA7xx could not be tested locally, since I don't have a board.
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Merge tag 'omap-for-v3.12/dra7xx-prcm' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into late/all

From Tony Lindgren:
Add basic support for devices on dra7xx by adding the PRCM and hwmod
parts the same way as for other omaps. This is still needed in
addition to device tree support for things like power management.

Via Paul Walmsley <paul@pwsan.com>:

This series adds basic TI DRA7xx PRCM and hwmod support.

Basic test logs are available here:

http://www.pwsan.com/omap/testlogs/dra7xx_prcm_devel_v3.12/20130823050445/

Note that DRA7xx could not be tested locally, since I don't have a board.

* tag 'omap-for-v3.12/dra7xx-prcm' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP: DRA7: Enable PM framework initializations
  ARM: OMAP: DRA7: hwmod: Create initial DRA7XX SoC data
  ARM: OMAP: DRA7: Reuse the omap44xx_restart and fix the device instance
  ARM: OMAP: DRA7: powerdomain: Handle missing vc/vp
  ARM: OMAP: DRA7: powerdomain: Add DRA7XX data and update header
  ARM: OMAP: DRA7: clockdomain: Add DRA7XX data and update header
  ARM: OMAP: DRA7: PRCM: Add DRA7XX local MPU PRCM regsiters
  ARM: OMAP: DRA7: CM: Add minimal regbit shifts
  ARM: OMAP: DRA7: CM: Add DRA7XX register defines
  ARM: OMAP: DRA7: PRM: Add DRA7XX register definitions
  ARM: DRA7: Add the build support in omap2plus
  ARM: DRA7: hwmod: Reuse the soc_ops used for OMAP4/5
  ARM: DRA7: id: Add cpu detection support for DRA7xx based SoCs'
  ARM: DRA7: Kconfig: Make ARCH_NR_GPIO default to 512
  ARM: DRA7: board-generic: Add basic DT support
  ARM: DRA7: Resue the clocksource, clockevent support
  ARM: DRA7: Reuse io tables and add a new .init_early
  ARM: DRA7: Reuse all of PRCM and MPUSS SMP infra

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-08-29 16:46:14 -07:00
Olof Johansson
65cb771fdf OMAP PRCM and hwmod fixes and improvments via Paul Walmsley <paul@pwsan.com>:
Various OMAP PRCM & hwmod fixes and improvements.  Notable changes
 include:
 
 - a fix for OMAP4 PLL locking to avoid a bootloader dependency that
   causes nasty log spew on startup
 
 - AM33xx DEBUGSS support fixes in hwmod data
 
 - OMAP5 mailbox support in hwmod data
 
 Basic test logs are here:
 
 http://www.pwsan.com/omap/testlogs/prcm_a_for_v3.12/20130823125002/
 
 Note that the 3530 failure is due to the mysterious transient serial
 issue affecting 3530 for several releases now, which causes a log
 parsing failure.  PM still seems to work.
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Merge tag 'omap-for-v3.12/prcm-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into late/all

From Tony Lindgren:
OMAP PRCM and hwmod fixes and improvments via Paul Walmsley <paul@pwsan.com>:

Various OMAP PRCM & hwmod fixes and improvements.  Notable changes
include:

- a fix for OMAP4 PLL locking to avoid a bootloader dependency that
  causes nasty log spew on startup

- AM33xx DEBUGSS support fixes in hwmod data

- OMAP5 mailbox support in hwmod data

Basic test logs are here:

http://www.pwsan.com/omap/testlogs/prcm_a_for_v3.12/20130823125002/

Note that the 3530 failure is due to the mysterious transient serial
issue affecting 3530 for several releases now, which causes a log
parsing failure.  PM still seems to work.

* tag 'omap-for-v3.12/prcm-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP: AM33xx: clock: Add RNG clock data
  ARM: OMAP: TI81XX: add always-on powerdomain for TI81XX
  ARM: OMAP4: clock: Lock PLLs in the right sequence
  ARM: OMAP: AM33XX: hwmod: Add hwmod data for debugSS
  ARM: OMAP2+: Only write the sysconfig on idle when necessary
  ARM: OMAP5: hwmod data: Add mailbox data

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-08-29 16:38:28 -07:00
Vivien Didelot
5877457a96 gpio: (gpio-pca953x) move header to linux/platform_data/
This patch moves the pca953x.h header from include/linux/i2c to
include/linux/platform_data and updates existing support accordingly.

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-08-29 12:33:52 -07:00
Tomi Valkeinen
35f5df6fd8 OMAPDSS: fix DPI and SDI device ids
The DPI and SDI platform devices are currently created with the ID of
-1. The ID doesn't currently affect anything.

However, we have added regulator supply entries for "omapdss_dpi.0" and
"omapdss_sdi.0" to the board files, although these supply entries are
not yet used. As the ID used for the devices is -1, these regulator
supply entries will not work.

To fix the issue, assign ID of 0 to the devices. In the future there may
be more than one DPI or SDI output, so it makes sense to have a proper
ID for them.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
2013-08-29 16:21:51 +03:00
Tomi Valkeinen
9dab02d9c6 ARM: OMAP: AM3517EVM: use new display drivers
Use new display drivers for AM3517EVM board.

The new OMAP display drivers were merged for 3.11, and we can now change
the board files to use the new ones and phase out the old ones.

Note: the management of LCD GPIOs is unclear. They were originally muxed
as inputs, and LCD_PANEL_PWR was labelled as "dvi enable".

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2013-08-28 10:23:22 +03:00
Tomi Valkeinen
d901ffa6a7 ARM: OMAP: Zoom: use new display drivers
Use new display drivers for Zoom board.

The new OMAP display drivers were merged for 3.11, and we can now change
the board files to use the new ones and phase out the old ones.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2013-08-28 10:23:22 +03:00
Tomi Valkeinen
9f2906b790 ARM: OMAP: Pandora: use new display drivers
Use new display drivers for OMAP3 Pandora board.

The new OMAP display drivers were merged for 3.11, and we can now change
the board files to use the new ones and phase out the old ones.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Tested-by: Grazvydas Ignotas <notasas@gmail.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2013-08-28 10:23:21 +03:00
Tomi Valkeinen
eb11d29e97 ARM: OMAP: OMAP3EVM: use new display drivers
Use new display drivers for OMAP3EVM board.

The new OMAP display drivers were merged for 3.11, and we can now change
the board files to use the new ones and phase out the old ones.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2013-08-28 10:23:21 +03:00
Tomi Valkeinen
7a2950ccd6 ARM: OMAP: 3430SDP: use new display drivers
Use new display drivers for 3430SDP board.

The new OMAP display drivers were merged for 3.11, and we can now change
the board files to use the new ones and phase out the old ones.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2013-08-28 10:23:21 +03:00
Tomi Valkeinen
6970c01e46 ARM: OMAP: H4: use new display drivers
Use new display drivers for H4 board.

The new OMAP display drivers were merged for 3.11, and we can now change
the board files to use the new ones and phase out the old ones.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2013-08-28 10:23:21 +03:00
Tomi Valkeinen
fe0cf7d9f8 ARM: OMAP: cm-t35: use new display drivers
Use new display drivers for cm-t35 board.

The new OMAP display drivers were merged for 3.11, and we can now change
the board files to use the new ones and phase out the old ones.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2013-08-28 10:23:21 +03:00
Tomi Valkeinen
5508642379 ARM: OMAP: igep0020: use new display drivers
Use new display drivers for igep0020 board.

The new OMAP display drivers were merged for 3.11, and we can now change
the board files to use the new ones and phase out the old ones.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2013-08-28 10:23:21 +03:00
Tomi Valkeinen
07eb40bdac ARM: OMAP: omap3stalker: use new display drivers
Use new display drivers for OMAP3 Stalker board.

The new OMAP display drivers were merged for 3.11, and we can now change
the board files to use the new ones and phase out the old ones.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2013-08-28 10:23:20 +03:00
Tomi Valkeinen
f23248d4b7 ARM: OMAP: LDP: use new display drivers
Use new display drivers for LDP board.

The new OMAP display drivers were merged for 3.11, and we can now change
the board files to use the new ones and phase out the old ones.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2013-08-28 10:23:20 +03:00
Tomi Valkeinen
09bc6ff2d7 ARM: OMAP: 2430SDP: use new display drivers
Use new display drivers for 2430SDP board.

The new OMAP display drivers were merged for 3.11, and we can now change
the board files to use the new ones and phase out the old ones.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2013-08-28 10:23:20 +03:00
Tomi Valkeinen
c78fb21dec ARM: OMAP: devkit8000: use new display drivers
Use new display drivers for devkit8000 board.

The new OMAP display drivers were merged for 3.11, and we can now change
the board files to use the new ones and phase out the old ones.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2013-08-28 10:23:20 +03:00
Tomi Valkeinen
5302556cd4 ARM: OMAP: beagle: use new display drivers
Use the new display drivers for Beagleboard.

The new OMAP display drivers were merged for 3.11, and we can now change
the board files to use the new ones and phase out the old ones.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2013-08-28 10:23:20 +03:00
Tomi Valkeinen
2320dc6f9c ARM: OMAP: rx51: use new display drivers
Use the new display drivers for RX51 board.

The new OMAP display drivers were merged for 3.11, and we can now change
the board files to use the new ones and phase out the old ones.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Acked-by: Tony Lindgren <tony@atomide.com>
2013-08-28 10:23:19 +03:00
Tomi Valkeinen
45a279c5ae ARM: OMAP: overo: use new display drivers
Use the new display drivers for OMAP3 Overo board.

The new OMAP display drivers were merged for 3.11, and we can now change
the board files to use the new ones and phase out the old ones.

Note that the LCD add-on boards for lcd43 and lcd35 use the same GPIOs
for the panels. This means that both panel devices cannot be probed at
the same time.

DT will handle this correctly, i.e. the DT data will contain the panel
device only for the add-on board that is attached. However, for the
board file we need a hackish solution: We parse the kernel boot command
line, and see whether lcd43 or lcd35 is set as a default display, and
add the given one. Or, if neither is given, default to lcd43.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2013-08-28 10:23:19 +03:00
Tomi Valkeinen
20d31345bd ARM: OMAP: 4430SDP: remove picodlp device data
4430SDP board has an option for a PicoDLP mini-projector. PicoDLP cannot
be used at the same time as the second LCD, and there are GPIOs that
need to be set/unset when changing the used display.

Managing that kind of board specific setup is not simple without board
file callbacks. As only some 4430SDP boards actually have the PicoDLP
installed, and 4430SDP boards are not that common in the first place,
let's remove PicoDLP data from the board file.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2013-08-28 10:23:19 +03:00
Tomi Valkeinen
7346582dd1 ARM: OMAP: dss-common: use new display drivers
Use the new display drivers for OMAP4 Panda and OMAP4 SDP boards.

The new OMAP display drivers were merged for 3.11, and we can now change
the board files to use the new ones and phase out the old ones.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2013-08-28 10:23:19 +03:00
Tomi Valkeinen
d14b97397a ARM: OMAP2+: Remove legacy DSS initialization for omap4
This is no longer needed as omap4 is now booted using device tree.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2013-08-28 10:23:18 +03:00
Paul Walmsley
4514b4d7fc Merge branches 'hwmod_devel_v3.12', 'prcm_devel_v3.12' and 'am33xx_devel_v3.12' into prcm_a_for_v3.12 2013-08-23 12:49:48 -06:00
Lokesh Vutla
b84a76ae73 ARM: OMAP: AM33xx: clock: Add RNG clock data
Add clock data for RNG module on AM33xx SoC.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-08-23 12:38:07 -06:00
Aida Mynzhasova
0f0dd08932 ARM: OMAP: TI81XX: add always-on powerdomain for TI81XX
This patch adds alwon powerdomain support for TI81XX, which is required
for stable functioning of a big number of TI81XX subsystems.

Signed-off-by: Aida Mynzhasova <aida.mynzhasova@skitlab.ru>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-08-23 04:48:42 -06:00
Rajendra Nayak
eeb6603fdd ARM: OMAP4: clock: Lock PLLs in the right sequence
On OMAP4 we have clk_set_rate()s being done for a few
DPLL clock nodes, as part of the clock init code, since
the bootloaders no longer locks these DPLLs.

So we have a clk_set_rate() done for a ABE DPLL node (which
inturn locks it) followed by a clk_set_rate() for the USB DPLL.

With USB DPLL being in bypass, we have this parent->child
relationship thats formed while the clocks get registered.

dpll_abe_ck
    |
    V
dpll_abe_x2_ck
    |
    V
dpll_abe_m3x2_ck
    |
    V
usb_hs_clk_div_ck
    |
    V
dpll_usb_ck

This is because usb_hs_clk_div_ck is bypass clock for dpll_usb_ck.

So with this parent->child relationship in place, a clk_set_rate()
on ABE DPLL results eventually in a clk_set_rate() call on USB DPLL,
because CCF does a clk_change_rate() (as part of clk_set_rate()) on
all downstream clocks resulting from a rate change on the top clock.

So its important that we lock USB DPLL before we lock ABE DPLL.
Without which we see these error logs at boot.
[These error logs will not be seen if using a bootloader that locks
USB DPLL]

[    0.000000] clock: dpll_usb_ck failed transition to 'locked'
[    0.000000] Division by zero in kernel.
[    0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.10.0-03445-gfb2af00-dirty #7
[    0.000000] [<c001bfe8>] (unwind_backtrace+0x0/0xf4) from [<c001868c>] (show_stack+0x10/0x14)
[    0.000000] [<c001868c>] (show_stack+0x10/0x14) from [<c02deb28>] (Ldiv0+0x8/0x10)
[    0.000000] [<c02deb28>] (Ldiv0+0x8/0x10) from [<c0477030>] (clk_divider_set_rate+0x10/0x114)
[    0.000000] [<c0477030>] (clk_divider_set_rate+0x10/0x114) from [<c0476ef4>] (clk_change_rate+0x38/0xb8)
[    0.000000] [<c0476ef4>] (clk_change_rate+0x38/0xb8) from [<c0476f5c>] (clk_change_rate+0xa0/0xb8)
[    0.000000] Division by zero in kernel.
[    0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.10.0-03445-gfb2af00-dirty #7
[    0.000000] [<c001bfe8>] (unwind_backtrace+0x0/0xf4) from [<c001868c>] (show_stack+0x10/0x14)
[    0.000000] [<c001868c>] (show_stack+0x10/0x14) from [<c02deb28>] (Ldiv0+0x8/0x10)
[    0.000000] [<c02deb28>] (Ldiv0+0x8/0x10) from [<c0477030>] (clk_divider_set_rate+0x10/0x114)
[    0.000000] [<c0477030>] (clk_divider_set_rate+0x10/0x114) from [<c0476ef4>] (clk_change_rate+0x38/0xb8)
[    0.000000] [<c0476ef4>] (clk_change_rate+0x38/0xb8) from [<c0476f5c>] (clk_change_rate+0xa0/0xb8)
[    0.000000] Division by zero in kernel.
[    0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.10.0-03445-gfb2af00-dirty #7
[    0.000000] [<c001bfe8>] (unwind_backtrace+0x0/0xf4) from [<c001868c>] (show_stack+0x10/0x14)
[    0.000000] [<c001868c>] (show_stack+0x10/0x14) from [<c02deb28>] (Ldiv0+0x8/0x10)
[    0.000000] [<c02deb28>] (Ldiv0+0x8/0x10) from [<c0477030>] (clk_divider_set_rate+0x10/0x114)
[    0.000000] [<c0477030>] (clk_divider_set_rate+0x10/0x114) from [<c0476ef4>] (clk_change_rate+0x38/0xb8)
[    0.000000] [<c0476ef4>] (clk_change_rate+0x38/0xb8) from [<c0476f5c>] (clk_change_rate+0xa0/0xb8)
[    0.000000] Division by zero in kernel.
[    0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.10.0-03445-gfb2af00-dirty #7
[    0.000000] [<c001bfe8>] (unwind_backtrace+0x0/0xf4) from [<c001868c>] (show_stack+0x10/0x14)
[    0.000000] [<c001868c>] (show_stack+0x10/0x14) from [<c02deb28>] (Ldiv0+0x8/0x10)
[    0.000000] [<c02deb28>] (Ldiv0+0x8/0x10) from [<c0477030>] (clk_divider_set_rate+0x10/0x114)
[    0.000000] [<c0477030>] (clk_divider_set_rate+0x10/0x114) from [<c0476ef4>] (clk_change_rate+0x38/0xb8)
[    0.000000] [<c0476ef4>] (clk_change_rate+0x38/0xb8) from [<c0476f5c>] (clk_change_rate+0xa0/0xb8)
[    0.000000] Division by zero in kernel.
[    0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.10.0-03445-gfb2af00-dirty #7
[    0.000000] [<c001bfe8>] (unwind_backtrace+0x0/0xf4) from [<c001868c>] (show_stack+0x10/0x14)
[    0.000000] [<c001868c>] (show_stack+0x10/0x14) from [<c02deb28>] (Ldiv0+0x8/0x10)
[    0.000000] [<c02deb28>] (Ldiv0+0x8/0x10) from [<c0477030>] (clk_divider_set_rate+0x10/0x114)
[    0.000000] [<c0477030>] (clk_divider_set_rate+0x10/0x114) from [<c0476ef4>] (clk_change_rate+0x38/0xb8)
[    0.000000] [<c0476ef4>] (clk_change_rate+0x38/0xb8) from [<c0476f5c>] (clk_change_rate+0xa0/0xb8)
[    0.000000] Division by zero in kernel.
[    0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.10.0-03445-gfb2af00-dirty #7
[    0.000000] [<c001bfe8>] (unwind_backtrace+0x0/0xf4) from [<c001868c>] (show_stack+0x10/0x14)
[    0.000000] [<c001868c>] (show_stack+0x10/0x14) from [<c02deb28>] (Ldiv0+0x8/0x10)
[    0.000000] [<c02deb28>] (Ldiv0+0x8/0x10) from [<c0477030>] (clk_divider_set_rate+0x10/0x114)
[    0.000000] [<c0477030>] (clk_divider_set_rate+0x10/0x114) from [<c0476ef4>] (clk_change_rate+0x38/0xb8)
[    0.000000] [<c0476ef4>] (clk_change_rate+0x38/0xb8) from [<c0476f5c>] (clk_change_rate+0xa0/0xb8)
[    0.000000] clock: trace_clk_div_ck: could not find divisor for target rate 0 for parent pmd_trace_clk_mux_ck
[    0.000000] Division by zero in kernel.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-08-23 04:48:42 -06:00
Vaibhav Hiremath
1721c70235 ARM: OMAP: AM33XX: hwmod: Add hwmod data for debugSS
In the original hwmod data file, DebugSS entry was disabled,
since we didn't (and do not) have SW to control it.

This patch enables it back with right data, so that it can be
controlled by different ways; and the suggested method it to
have modular driver for debugSS as well.

Refer to the link for more discussion on handling of debugSS -
https://patchwork.kernel.org/patch/2212111/

Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-08-23 04:44:09 -06:00
Jon Hunter
127500ccb7 ARM: OMAP2+: Only write the sysconfig on idle when necessary
Currently, whenever we idle a device _idle_sysc() is called and writes to the
devices SYSCONFIG register to set the idle mode. A lot devices are using the
smart-idle mode and so the write to the SYSCONFIG register is programming the
same value that is already stored in the register.

Writes to the devices SYSCONFIG register can be slow, for example, writing to
the DMTIMER SYSCONFIG register takes 3 interface clock cycles and 3 functional
clock cycles. If the DMTIMER is using the slow 32kHz functional clock this can
take ~100us.

Furthermore, during boot on an OMAP4430 panda board, I see that there are 100
calls to _idle_sysc(), however, only 3 out of the 100 calls actually write
the SYSCONFIG register with a new value.

Therefore, to avoid unnecessary writes to device SYSCONFIG registers when
idling the device, only write the value if the value has changed. It should be
safe to do this on idle as the context of the register will never be lost while
the device is active.

Verified that suspend, CORE off and retention states are working with this
change on OMAP3430 Beagle board.

Signed-off-by: Jon Hunter <jon-hunter@ti.com>
[paul@pwsan.com: updated to apply]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-08-23 04:40:23 -06:00
Ambresh K
7de516a63c ARM: OMAP: DRA7: Enable PM framework initializations
Initialise powerdomains, clockdomains, and hwmod frameworks.

Signed-off-by: Ambresh K <ambresh@ti.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
[paul@pwsan.com: updated to apply]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-08-23 04:29:37 -06:00
Ambresh K
90020c7b2c ARM: OMAP: DRA7: hwmod: Create initial DRA7XX SoC data
Adding the hwmod data for DRA7XX platforms.

Signed-off-by: Ambresh K <ambresh@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-08-23 04:29:13 -06:00
Rajendra Nayak
1d597b07b6 ARM: OMAP: DRA7: Reuse the omap44xx_restart and fix the device instance
The omap44xx_restart used on omap4 and omap5 devices can be reused
on dra7 devices as well. The device instance however is different
across omap5 and dra7 as compared to omap4. So fix this for omap5
as well as dra7.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: R Sricharan <r.sricharan@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-08-23 04:28:36 -06:00
Rajendra Nayak
9a4e301d0c ARM: OMAP: DRA7: powerdomain: Handle missing vc/vp
DRA7 belongs to the omap4plus devices which reuse the omap4_pwrdm_operations
ops for powerdomain control. DRA7 however has no VC/VP while all the
earlier omap4plus devices did.

So use the .pwrdm_has_voltdm() ops to pass this info on to the core.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-08-23 04:28:36 -06:00
Ambresh K
97dd16b190 ARM: OMAP: DRA7: powerdomain: Add DRA7XX data and update header
Add the data file to describe all power domains inside the DRA7XX SoC.

Signed-off-by: Ambresh K <ambresh@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
[paul@pwsan.com: added generation notation to comments]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-08-23 04:28:36 -06:00
Ambresh K
11fadcfab9 ARM: OMAP: DRA7: clockdomain: Add DRA7XX data and update header
Add the data file to describe all clock domains inside the DRA7XX SoC

Signed-off-by: Ambresh K <ambresh@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
[paul@pwsan.com: added generation notation to comments]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-08-23 04:28:36 -06:00
Ambresh K
a61ef470ea ARM: OMAP: DRA7: PRCM: Add DRA7XX local MPU PRCM regsiters
Add the PRCM MPU registers for DRA7XX platforms

Signed-off-by: Ambresh K <ambresh@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
[paul@pwsan.com: added generation notation to comments]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-08-23 04:28:36 -06:00
Rajendra Nayak
4f92bab41b ARM: OMAP: DRA7: CM: Add minimal regbit shifts
This header contains minimal regbits that are currently used in code.
This header has traditionally been autogenerated on OMAP4+ devices but
the autogenerated contents are largely (95%) unused and hence to reduce
unsued data in the kernel this header has been cut down (from the autogen
output) to whatever is currently needed. This is done by running a cleanup
script on top of the existing autogen script.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Ambresh K <ambresh@ti.com>
[paul@pwsan.com: added generation notation in the comments]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-08-23 04:28:36 -06:00
Ambresh K
40ca609158 ARM: OMAP: DRA7: CM: Add DRA7XX register defines
Add the new defines for DRA7XX CM registers.

Signed-off-by: Ambresh K <ambresh@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
[paul@pwsan.com: added generation notation in comments]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-08-23 04:24:15 -06:00
Ambresh K
da6f388b9d ARM: OMAP: DRA7: PRM: Add DRA7XX register definitions
Add the new defines for DRA7xx prm module registers.

Signed-off-by: Ambresh K <ambresh@ti.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
[paul@pwsan.com: added generation notation in the comments]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-08-23 04:04:23 -06:00
Linus Torvalds
1f8b76656b ARM: SoC fixes for 3.11-rc
A handful of fixes for 3.11 are still trickling in. These are:
 - A couple of fixes for older OMAP platforms
 - Another few fixes for at91 (lateish due to European summer vacations)
 - A late-found problem with USB on Tegra, fix is to keep VBUS regulator
   on at all times
 - One fix for Exynos 5440 dealing with CPU detection
 - One MAINTAINERS update
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "A handful of fixes for 3.11 are still trickling in.  These are:
   - A couple of fixes for older OMAP platforms
   - Another few fixes for at91 (lateish due to European summer
     vacations)
   - A late-found problem with USB on Tegra, fix is to keep VBUS
     regulator on at all times
   - One fix for Exynos 5440 dealing with CPU detection
   - One MAINTAINERS update"

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: tegra: always enable USB VBUS regulators
  ARM: davinci: nand: specify ecc strength
  ARM: OMAP: rx51: change musb mode to OTG
  ARM: OMAP2: fix musb usage for n8x0
  MAINTAINERS: Update email address for Benoit Cousson
  ARM: at91/DT: fix at91sam9n12ek memory node
  ARM: at91: add missing uart clocks DT entries
  ARM: SAMSUNG: fix to support for missing cpu specific map_io
  ARM: at91/DT: at91sam9x5ek: fix USB host property to enable port C
2013-08-22 10:44:44 -07:00
Chen Gang
af07219661 ARM: OMAP2: use 'int' instead of 'unsigned' for variable 'gpmc_irq_start'
'gpmc_irq_start' is mostly used as 'int', and for a variable, do not
suggest to only use 'unsigned' as its type, so use 'int' instead of
'unsigned' for variable 'gpmc_irq_start'.

Also it will fix the related issue (dummy the real world failure):

arch/arm/mach-omap2/gpmc.c:728:2: warning: comparison of unsigned expression < 0 is always false [-Wtype-limits]

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-08-22 00:56:26 -07:00
Chen Gang
a04feb0341 ARM: OMAP2: remove useless variable 'ret'
Remove useless variable 'ret', the related warning:

arch/arm/mach-omap2/board-am3517crane.c:113:6: warning: unused variable ‘ret’ -Wunused-variable]

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-08-22 00:15:17 -07:00
Chen Baozi
42c604ba7c ARM: OMAP2+: fix wrong address when loading PRM_FRAC_INCREMENTOR_DENUMERATOR_RELOAD
The denominator should be load from INCREMENTOR_DENUMERATOR_RELOAD_OFFSET
rather than INCREMENTER_NUMERATOR_OFFSET.

This is more likely a typo, since INCREMENTER_DENUMERATOR_RELOAD[23:17] is
reserved. It seems that it won't make much trouble without this fix, because
the useful [11:0] bits are mask and set the right value. Anyway, reading
from a right address is better choice.

Signed-off-by: Chen Baozi <baozich@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-08-21 01:02:32 -07:00
Matus Ujhelyi
56cab60600 ARM: OMAP2+: am33xx-restart: trigger warm reset on omap2+ boards
Currently the cold reset was triggered. It happened due to oposite offsets
of cold/warm flags in PRM_RSTST and PRM_RSTCTRL registers.

Signed-off-by: Matus Ujhelyi <ujhelyi.m@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-08-21 01:01:30 -07:00
Ezequiel Garcia
1085189ff3 ARM: OMAP2: Use a consistent AM33XX SoC option description
Fix the option description to match the other TI SoCs.
This is just a cosmetic change.

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Reviewed-by: Javier Martinez Canillas <javier@dowhile0.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-08-21 00:53:16 -07:00
Peter Ujfalusi
13b16460eb ARM: OMAP2+: Remove legacy device creation for McPDM and DMIC
McPDM and DMIC only available on OMAP4/5 which no longer boots in legacy
mode.
The code to create the devices in legacy mode can be removed.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-08-21 00:52:03 -07:00
Suman Anna
03ab349ec4 ARM: OMAP5: hwmod data: Add mailbox data
Add the hwmod data for the mailbox IP in OMAP5 SoC.
This is needed to be able to enable the OMAP mailbox
support for OMAP5.

Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-08-20 19:39:26 -06:00
Kevin Hilman
47aad66c26 USB nop phy rename via Felipe Balbi <balbi@ti.com>:
Here's a pull request of one patch to avoid conflicts during the merge
 window.
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Merge tag 'omap-for-v3.12/usb-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/cleanup

From Tony Lindgren:
USB nop phy rename via Felipe Balbi <balbi@ti.com>:

Here's a pull request of one patch to avoid conflicts during the merge
window.

* tag 'omap-for-v3.12/usb-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  usb: phy: rename nop_usb_xceiv => usb_phy_gen_xceiv

Signed-off-by: Kevin Hilman <khilman@linaro.org>
2013-08-19 10:19:18 -07:00