Commit Graph

30614 Commits

Author SHA1 Message Date
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
6a67920811 ARM: dts: am43xx clock data
This patch creates a unique node for each clock in the AM43xx power,
reset and clock manager (PRCM).

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 12:36:52 -08:00
Tero Kristo
fdff8a1f13 ARM: dts: AM35xx: use DT clock data
AM35xx now uses the clock data from device tree. Most of the data is
shared with OMAP3xxx, but as there is some delta, a new base .dtsi
file is also created for the SoC.

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 12:36:49 -08:00
Tero Kristo
657fc11cca ARM: dts: omap3 clock data
This patch creates a unique node for each clock in the OMAP3 power,
reset and clock manager (PRCM).

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 12:36:41 -08:00
Tero Kristo
ea291c9851 ARM: dts: am33xx clock data
This patch creates a unique node for each clock in the AM33xx power,
reset and clock manager (PRCM).

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 12:36:35 -08:00
J Keerthy
a0289f9174 ARM: dts: DRA7: Add PCIe related clock nodes
This patch adds optfclk_pciephy_clk and optfclk_pciephy_div_clk
which are used by PCIe phy. It also adds a mux clock to choose
the source of optfclk_pciephy_div_clk clock.

Signed-off-by: J Keerthy <j-keerthy@ti.com>
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 12:36:31 -08:00
J Keerthy
c3be7acdeb ARM: dts: DRA7: Change apll_pcie_m2_ck to fixed factor clock
This patch changes apll_pcie_m2_ck to fixed factor
clock as there are no configurable divider associated to m2.

Signed-off-by: J Keerthy <j-keerthy@ti.com>
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 12:36:27 -08:00
J Keerthy
7d138d3aaf ARM: dts: clk: Add apll related clocks
The patch adds a mux node to choose the parent of apll_pcie_ck node.

Signed-off-by: J Keerthy <j-keerthy@ti.com>
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 12:36:23 -08:00
Tero Kristo
ee6c750761 ARM: dts: dra7 clock data
This patch creates a unique node for each clock in the DRA7 power,
reset and clock manager (PRCM).

TODO: apll_pcie clock node is still a dummy in this version, and
proper support for the APLL should be added.

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 12:36:04 -08:00
Tero Kristo
85dc74e9bd ARM: dts: omap5 clock data
This patch creates a unique node for each clock in the OMAP5 power,
reset and clock manager (PRCM).

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 12:36:01 -08:00
Tero Kristo
2488ff6cfc ARM: dts: omap4 clock data
This patch creates a unique node for each clock in the OMAP4 power,
reset and clock manager (PRCM). OMAP443x and OMAP446x have slightly
different clock tree which is taken into account in the data.

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 12:35:57 -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
Mike Turquette
0099d88516 Merge remote-tracking branch 'linaro/clk-next' into clk-next 2014-01-16 13:13:46 -08:00
Mike Turquette
baa39cd20e (A bit late) first round of Samsung clock patches for v3.14.
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Merge tag 'for_3.14/samsung-clk' of git://git.kernel.org/pub/scm/linux/kernel/git/tfiga/samsung-clk into clk-next-samsung

(A bit late) first round of Samsung clock patches for v3.14.
2014-01-08 16:38:10 -08:00
Tomasz Figa
ada12c4798 ARM: dts: Add clock provider specific properties to max77686 node
This patch adds a label and #clock-cells property to device node of
max77686 PMIC to allow using it as a clock provider.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-01-08 09:58:11 -08:00
Andrew Bresticker
59d711e9dd ARM: dts: exynos5420: add input clocks to audss clock controller
Specify the remaining input clocks (pll_ref, pll_in, and sclk_pcm_in)
for the AudioSS clock controller.

Signed-off-by: Andrew Bresticker <abrestic@chromium.org>
Acked-by: Mike Turquette <mturquette@linaro.org>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
2014-01-08 18:02:43 +01:00
Andrew Bresticker
c08ceea3a9 ARM: dts: exynos5250: add input clocks to audss clock controller
Specify pll_ref, pll_in, sclk_audio, and sclk_pcm_in for the AudioSS
clock controller.

Signed-off-by: Andrew Bresticker <abrestic@chromium.org>
Acked-by: Mike Turquette <mturquette@linaro.org>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
2014-01-08 18:02:42 +01:00
Abhilash Kesavan
8777539479 ARM: dts: exynos5250: Fix MDMA0 clock number
Due to incorrect clock specified in MDMA0 node, using MDMA0 controller
could cause system failures, due to wrong clock being controlled. This
patch fixes this by specifying correct clock.

Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
[t.figa: Corrected commit message and description.]
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
2013-12-30 17:56:59 +01:00
Olof Johansson
9b17c16525 Fix a regression for wrong interrupt numbers for some devices after
the sparse IRQ conversion, fix DRA7 console output for earlyprintk,
 and fix the LDP LCD backlight when DSS is built into the kernel and
 not as a loadable module.
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Merge tag 'omap-for-v3.13/intc-ldp-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

From Tony Lindgren:
Fix a regression for wrong interrupt numbers for some devices after
the sparse IRQ conversion, fix DRA7 console output for earlyprintk,
and fix the LDP LCD backlight when DSS is built into the kernel and
not as a loadable module.

* tag 'omap-for-v3.13/intc-ldp-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: Fix LCD panel backlight regression for LDP legacy booting
  ARM: OMAP2+: hwmod_data: fix missing OMAP_INTC_START in irq data
  ARM: DRA7: hwmod: Fix boot crash with DEBUG_LL
  + v3.13-rc5

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-12-28 15:38:32 -08:00
Olof Johansson
4cff612353 Second Round of Renesas ARM based SoC Fixes for v3.13
* r8a7790 (R-Car H2) based Lager board
 
   - Correct SHDI resource sizes
 
     This bug has been present since sdhi resources were added to the r8a7790 by
     8c9b1aa418 ("ARM: shmobile: r8a7790: add MMCIF and SDHI DT
     templates") in v3.11-rc2.
 
 * r8a7778 (R-Car M1) based Bock-W board
 
   - Correct DMA mask
 
     This resolves a regression introduced by 4dcfa60071
     ("ARM: DMA-API: better handing of DMA masks for coherent allocations")
     in v3.12-rc1.
 
 * r8a7740 (R-Mobile A1) based Armadillo board
 
   - Add PWM backlight power supply
 
     This resolves a regression introduced by 22ceeee16e
     ("pwm-backlight: Add power supply support") in v3.12.
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Merge tag 'renesas-fixes2-for-v3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into fixes

From Simon Horman:
Second Round of Renesas ARM based SoC Fixes for v3.13

* r8a7790 (R-Car H2) based Lager board
  - Correct SHDI resource sizes
    This bug has been present since sdhi resources were added to the r8a7790 by
    8c9b1aa418 ("ARM: shmobile: r8a7790: add MMCIF and SDHI DT
    templates") in v3.11-rc2.

* r8a7778 (R-Car M1) based Bock-W board
  - Correct DMA mask
    This resolves a regression introduced by 4dcfa60071
    ("ARM: DMA-API: better handing of DMA masks for coherent allocations")
    in v3.12-rc1.

* r8a7740 (R-Mobile A1) based Armadillo board
  - Add PWM backlight power supply
    This resolves a regression introduced by 22ceeee16e
    ("pwm-backlight: Add power supply support") in v3.12.

* tag 'renesas-fixes2-for-v3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  ARM: shmobile: r8a7790: fix shdi resource sizes
  ARM: shmobile: bockw: fixup DMA mask
  ARM: shmobile: armadillo: Add PWM backlight power supply

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-12-28 15:20:35 -08:00
Linus Walleij
9928422fef ARM: pxa: fix USB gadget driver compilation regression
After commit 88f718e3fa
"ARM: pxa: delete the custom GPIO header" a compilation
error was introduced in the PXA25x gadget driver.
An attempt to fix the problem was made in
commit b144e4ab1e
"usb: gadget: fix pxa25x compilation problems"
by explictly stating the driver needs the <mach/hardware.h>
header, which solved the compilation for a few boards,
such as the pxa255-idp and its defconfig.

However the Lubbock board has this special clause in
drivers/usb/gadget/pxa25x_udc.c:

This include file has an implicit dependency on
<mach/irqs.h> having been included before <mach/lubbock.h>
was included.

Before commit 88f718e3fa
"ARM: pxa: delete the custom GPIO header" this implicit
dependency for the pxa25x_udc compile on the Lubbock was
satisfied by <linux/gpio.h> implicitly including
<mach/gpio.h> which was in turn including <mach/irqs.h>,
apart from the earlier added <mach/hardware.h>.

Fix this by having the PXA25x <mach/lubbock.h> explicitly
include <mach/irqs.h>.

Reported-by: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: Greg Kroah-Hartmann <gregkh@linuxfoundation.org>
Cc: Felipe Balbi <balbi@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-12-28 15:18:34 -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
Linus Torvalds
93579aeec2 ARM: SoC fixes for 3.13-rc
Much smaller batch of fixes this week.
 
 Biggest one is a revert of an OMAP display change that removed some non-DT
 pinmux code that was still needed for 3.13 to get DSI displays to work.
 
 There's also a fix that resolves some misdescribed GPIO controller
 resources on shmobile. The rest are mostly smaller fixes, a couple of
 MAINTAINERS updates, etc.
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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:
 "Much smaller batch of fixes this week.

  Biggest one is a revert of an OMAP display change that removed some
  non-DT pinmux code that was still needed for 3.13 to get DSI displays
  to work.

  There's also a fix that resolves some misdescribed GPIO controller
  resources on shmobile.  The rest are mostly smaller fixes, a couple of
  MAINTAINERS updates, etc"

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  Revert "ARM: OMAP2+: Remove legacy mux code for display.c"
  MAINTAINERS: Add keystone clock drivers
  MAINTAINERS: Add keystone git tree information
  ARM: s3c64xx: dt: Fix boot failure due to double clock initialization
  ARM: shmobile: r8a7790: Fix GPIO resources in DTS
  irqchip: renesas-intc-irqpin: Fix register bitfield shift calculation
  ARM: shmobile: lager: phy fixup needs CONFIG_PHYLIB
2013-12-22 11:13:02 -08:00
Kevin Hilman
95fcfa70f3 Renesas ARM based SoC fixes for v3.13
* r8a7790 (R-Car H1) SoC
   - Correct GPIO resources in DT.
 
     This problem has been present since GPIOs were added to the r8a7790 SoC
     by f98e10c88a ("ARM: shmobile: r8a7790: Add GPIO controller
     devices to device tree") in v3.12-rc1.
 
 * irqchip renesas-intc-irqpin
   - Correct register bitfield shift calculation
 
     This bug has been present since the renesas-intc-irqpin driver was
     introduced by 443580486e ("irqchip: Renesas INTC External IRQ pin
     driver") in v3.10-rc1
 
 * Lager board
   - Do not build the phy fixup unless CONFIG_PHYLIB is enabled
 
     This problem was introduced by 48c8b96f21
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Merge tag 'renesas-fixes-for-v3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into fixes

From Simon Horman:
Renesas ARM based SoC fixes for v3.13

* r8a7790 (R-Car H1) SoC
  - Correct GPIO resources in DT.

    This problem has been present since GPIOs were added to the r8a7790 SoC
    by f98e10c88a ("ARM: shmobile: r8a7790: Add GPIO controller
    devices to device tree") in v3.12-rc1.

* irqchip renesas-intc-irqpin
  - Correct register bitfield shift calculation

    This bug has been present since the renesas-intc-irqpin driver was
    introduced by 443580486e ("irqchip: Renesas INTC External IRQ pin
    driver") in v3.10-rc1

* Lager board
  - Do not build the phy fixup unless CONFIG_PHYLIB is enabled

    This problem was introduced by 48c8b96f21

* tag 'renesas-fixes-for-v3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  ARM: shmobile: r8a7790: Fix GPIO resources in DTS
  irqchip: renesas-intc-irqpin: Fix register bitfield shift calculation
  ARM: shmobile: lager: phy fixup needs CONFIG_PHYLIB

Signed-off-by: Kevin Hilman <khilman@linaro.org>
2013-12-20 11:28:30 -08:00
Linus Torvalds
4203d0eb3a Bug-fixes:
- Fix balloon driver for auto-translate guests (PVHVM, ARM) to not use
    scratch pages.
  - Fix block API header for ARM32 and ARM64 to have proper layout
  - On ARM when mapping guests, stick on PTE_SPECIAL
  - When using SWIOTLB under ARM, don't call swiotlb functions twice
  - When unmapping guests memory and if we fail, don't return pages which
    failed to be unmapped.
  - Grant driver was using the wrong address on ARM.
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Merge tag 'stable/for-linus-3.13-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull Xen bugfixes from Konrad Rzeszutek Wilk:
 - Fix balloon driver for auto-translate guests (PVHVM, ARM) to not use
   scratch pages.
 - Fix block API header for ARM32 and ARM64 to have proper layout
 - On ARM when mapping guests, stick on PTE_SPECIAL
 - When using SWIOTLB under ARM, don't call swiotlb functions twice
 - When unmapping guests memory and if we fail, don't return pages which
   failed to be unmapped.
 - Grant driver was using the wrong address on ARM.

* tag 'stable/for-linus-3.13-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen/balloon: Seperate the auto-translate logic properly (v2)
  xen/block: Correctly define structures in public headers on ARM32 and ARM64
  arm: xen: foreign mapping PTEs are special.
  xen/arm64: do not call the swiotlb functions twice
  xen: privcmd: do not return pages which we have failed to unmap
  XEN: Grant table address, xen_hvm_resume_frames, is a phys_addr not a pfn
2013-12-20 09:34:54 -08:00
Kevin Hilman
cd15c51d6c I accidentally removed some mux code for omap4 that I thought was
dead code as omap4 has been booting with device tree only since
 v3.10. Turns out I also removed some display related mux code,
 so let's revert that except for the dead code parts.
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Merge tag 'omap-for-v3.13/display-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

I accidentally removed some mux code for omap4 that I thought was
dead code as omap4 has been booting with device tree only since
v3.10. Turns out I also removed some display related mux code,
so let's revert that except for the dead code parts.

* tag 'omap-for-v3.13/display-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (439 commits)
  Revert "ARM: OMAP2+: Remove legacy mux code for display.c"
  +Linux 3.13-rc4
2013-12-20 08:30:50 -08:00
Ben Dooks
d721a15c30 ARM: shmobile: r8a7790: fix shdi resource sizes
The r8a7790.dtsi file has four sdhi nodes which the first two have the wrong
resource size for their register block. This causes the sh_modbile_sdhi driver
to fail to communicate with card at-all.

Change sdhi{0,1} node size from 0x100 to 0x200 to correct these nodes
as per Kuninori Morimoto's response to the original patch where all four
nodes where changed. sdhi{2,3} are the correct size.

This bug has been present since sdhi resources were added to the r8a7790 by
8c9b1aa418 ("ARM: shmobile: r8a7790: add MMCIF and SDHI DT
templates") in v3.11-rc2.

Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Tested-by: William Towle <william.towle@codethink.co.uk>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-12-19 18:14:48 +09:00
Kuninori Morimoto
4799e310ca ARM: shmobile: bockw: fixup DMA mask
4dcfa60071
(ARM: DMA-API: better handing of DMA masks for coherent allocations)
exchanged DMA mask check method.
Below warning will appear without this patch

asoc-simple-card asoc-simple-card.0: \
  Coherent DMA mask 0xffffffffffffffff is larger than dma_addr_t allows
asoc-simple-card asoc-simple-card.0: \
  Driver did not use or check the return value from dma_set_coherent_mask()?

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-12-19 18:10:26 +09:00
Laurent Pinchart
9fb444f22f ARM: shmobile: armadillo: Add PWM backlight power supply
Commit 22ceeee16e ("pwm-backlight: Add
power supply support") added a mandatory power supply for the PWM
backlight. Add a fixed 5V regulator to board code with a consumer supply
entry for the backlight device.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
(cherry picked from commit ad11cb9a5cf96346f1240995c672cdbb5501785c)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-12-19 15:24:35 +09:00
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
Tomasz Figa
cb12057256 ARM: s3c64xx: dt: Fix boot failure due to double clock initialization
Commit

4178bac ARM: call of_clk_init from default time_init handler

added implicit call to of_clk_init() from default time_init callback,
but it did not change platforms calling it from other callbacks, despite
of not having custom time_init callbacks. This caused double clock
initialization on such platforms, leading to boot failures. An example
of such platform is mach-s3c64xx.

This patch fixes boot failure on s3c64xx by dropping custom init_irq
callback, which had a call to of_clk_init() and moving system reset
initialization to init_machine callback. This allows us to have
clocks initialized properly without a need to have custom init_time or
init_irq callbacks.

Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-12-13 21:48:25 -08:00
Linus Torvalds
b2077ebc19 Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm
Pull ARM fixes from Russell King:
 "This resolves some further issues with the dma mask changes on ARM
  which have been found by TI and others, and also some corner cases
  with the updates to the virtual to physical address translations.

  Konstantin also found some problems with the unwinder, which now
  performs tighter verification that the stack is valid while unwinding"

* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
  ARM: fix asm/memory.h build error
  ARM: 7917/1: cacheflush: correctly limit range of memory region being flushed
  ARM: 7913/1: fix framepointer check in unwind_frame
  ARM: 7912/1: check stack pointer in get_wchan
  ARM: 7909/1: mm: Call setup_dma_zone() post early_paging_init()
  ARM: 7908/1: mm: Fix the arm_dma_limit calculation
  ARM: another fix for the DMA mapping checks
2013-12-13 16:16:03 -08:00