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Author SHA1 Message Date
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
b9af5643fd Staging patches for 3.18-rc1 
Here is the big staging patch set for 3.18-rc1.
 
 Once again, we are deleting more code than we added, with something like
 150000 lines deleted overall.  Some of this is due to drivers being
 added to the networking tree, so the old versions are removed here, but
 even then, the overall difference is quite good.
 
 Other than driver deletions, lots and lots and lots of minor cleanups
 all over the place.  Full details are in the shortlog below.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging updates from Greg KH:
 "Here is the big staging patch set for 3.18-rc1.

  Once again, we are deleting more code than we added, with something
  like 150000 lines deleted overall.  Some of this is due to drivers
  being added to the networking tree, so the old versions are removed
  here, but even then, the overall difference is quite good.

  Other than driver deletions, lots and lots and lots of minor cleanups
  all over the place.  Full details are in the changelog"

* tag 'staging-3.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (1481 commits)
  staging: et131x: Remove et131x driver from drivers/staging
  staging: emxx_udc: Use min_t instead of min
  staging: emxx_udc: Fix replace printk(KERN_DEBUG ..) with dev_dbg
  staging: media: Fixed else after return or break warning
  staging: media: omap4iss: Fixed else after return or break warning
  staging: rtl8712: Fixed else not required after return
  staging: rtl8712: Fix missing blank line warning
  staging: rtl8192e: rtl8192e: Remove spaces before the semicolons
  staging: rtl8192e: rtl8192e: Remove unnecessary return statements
  staging: rtl8192e: Remove unneeded void return
  staging: rtl8192e: Fix void function return statements style
  staging: rtl8712: Fix unnecessary parentheses style warning
  staging: rtl8192e: Fix unnecessary space before function pointer arguments
  staging: rtl8192e: Array was made static const char * const
  staging: ft1000: ft1000-usb: Removed unnecessary else statement.
  staging: ft1000: ft1000-usb: Removed unnecessary else statement.
  staging: ft1000: ft1000-usb: Removed unnecessary parentheses.
  staging: ft1000: ft1000-usb: Added new line after declarations.
  staging: vt6655: Fixed C99 // comment errors in wpactl.c
  staging: speakup: Fixed warning <linux/serial.h> instead of <asm/serial.h>
  ...
 2014-10-08 06:50:18 -04:00
Linus Torvalds
6325e940e7 arm64 updates for 3.18: 
- eBPF JIT compiler for arm64
 - CPU suspend backend for PSCI (firmware interface) with standard idle
   states defined in DT (generic idle driver to be merged via a different
   tree)
 - Support for CONFIG_DEBUG_SET_MODULE_RONX
 - Support for unmapped cpu-release-addr (outside kernel linear mapping)
 - set_arch_dma_coherent_ops() implemented and bus notifiers removed
 - EFI_STUB improvements when base of DRAM is occupied
 - Typos in KGDB macros
 - Clean-up to (partially) allow kernel building with LLVM
 - Other clean-ups (extern keyword, phys_addr_t usage)
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 updates from Catalin Marinas:
 - eBPF JIT compiler for arm64
 - CPU suspend backend for PSCI (firmware interface) with standard idle
   states defined in DT (generic idle driver to be merged via a
   different tree)
 - Support for CONFIG_DEBUG_SET_MODULE_RONX
 - Support for unmapped cpu-release-addr (outside kernel linear mapping)
 - set_arch_dma_coherent_ops() implemented and bus notifiers removed
 - EFI_STUB improvements when base of DRAM is occupied
 - Typos in KGDB macros
 - Clean-up to (partially) allow kernel building with LLVM
 - Other clean-ups (extern keyword, phys_addr_t usage)

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (51 commits)
  arm64: Remove unneeded extern keyword
  ARM64: make of_device_ids const
  arm64: Use phys_addr_t type for physical address
  aarch64: filter $x from kallsyms
  arm64: Use DMA_ERROR_CODE to denote failed allocation
  arm64: Fix typos in KGDB macros
  arm64: insn: Add return statements after BUG_ON()
  arm64: debug: don't re-enable debug exceptions on return from el1_dbg
  Revert "arm64: dmi: Add SMBIOS/DMI support"
  arm64: Implement set_arch_dma_coherent_ops() to replace bus notifiers
  of: amba: use of_dma_configure for AMBA devices
  arm64: dmi: Add SMBIOS/DMI support
  arm64: Correct ftrace calls to aarch64_insn_gen_branch_imm()
  arm64:mm: initialize max_mapnr using function set_max_mapnr
  setup: Move unmask of async interrupts after possible earlycon setup
  arm64: LLVMLinux: Fix inline arm64 assembly for use with clang
  arm64: pageattr: Correctly adjust unaligned start addresses
  net: bpf: arm64: fix module memory leak when JIT image build fails
  arm64: add PSCI CPU_SUSPEND based cpu_suspend support
  arm64: kernel: introduce cpu_init_idle CPU operation
  ...
 2014-10-08 05:34:24 -04:00
Linus Walleij
f3354ab674 ARM: 8169/1: l2c: parse cache properties from ePAPR definitions 
When both 'cache-size' and 'cache-sets' are specified for a L2 cache
controller node, parse those properties and set up the
set size based on which type of L2 cache controller we are using.

Update the L2 cache controller Device Tree binding with the optional
'cache-size', 'cache-sets', 'cache-block-size' and 'cache-line-size'
properties. These come from the ePAPR specification.

Using the cache size, number of sets and cache line size we can
calculate desired associativity of the L2 cache. This is done
by the calculation:

    set size = cache size / sets
    ways = set size / line size
    way size = cache size / ways = sets * line size
    associativity = cache size / way size

Example output from the PB1176 DT that look like this:

L2: l2-cache {
    compatible = "arm,l220-cache";
    (...)
    arm,override-auxreg;
    cache-size = <131072>; // 128kB
    cache-sets = <512>;
    cache-line-size = <32>;
};

Ends up like this:

L2C OF: override cache size: 131072 bytes (128KB)
L2C OF: override line size: 32 bytes
L2C OF: override way size: 16384 bytes (16KB)
L2C OF: override associativity: 8
L2C: DT/platform modifies aux control register: 0x02020fff -> 0x02030fff
L2C-220 cache controller enabled, 8 ways, 128 kB
L2C-220: CACHE_ID 0x41000486, AUX_CTRL 0x06030fff

Which is consistent with the value earlier hardcoded for the
PB1176 platform.

This patch is an extended version based on the initial patch
by Florian Fainelli.

Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
 2014-10-02 21:26:37 +01:00
Arnd Bergmann
6d50424a39 Second SoC batch for 3.18: 
- introduction of the new SAMA5D4 SoC and associated Evaluation Kit
 - low level soc detection and early printk code
 - taking advantage of this, documentation of all AT91 SoC DT strings
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Merge tag 'at91-soc2' of git://github.com/at91linux/linux-at91 into next/soc

Pull "Second SoC batch for 3.18" from Nicolas Ferre:

- introduction of the new SAMA5D4 SoC and associated Evaluation Kit
- low level soc detection and early printk code
- taking advantage of this, documentation of all AT91 SoC DT strings

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

* tag 'at91-soc2' of git://github.com/at91linux/linux-at91:
  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
 2014-09-26 00:15:09 +02:00
Arnd Bergmann
cd95427481 Few hwmod changes to support upcoming 8250 driver with DMA, 
start using the SRAM driver for some omaps, and update the
 defconfig.
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Merge tag 'soc-part2-for-v3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc

Pull "part 2 of omap SoC changes" from Tony Lindgren:

Few hwmod changes to support upcoming 8250 driver with DMA,
start using the SRAM driver for some omaps, and update the
defconfig.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

* tag 'soc-part2-for-v3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP4+: Remove static iotable mappings for SRAM
  ARM: OMAP4+: Move SRAM data to DT
  ARM: AM335x: Get rid of unused sram init function
  ARM: omap2plus_defconfig: Enable some display features
  ARM: omap2plus_defconfig: Enable battery and reset drivers
  ARM: omap2plus_defconfig: Add support for distros with systemd
  ARM: omap2plus_defconfig: Add cpufreq to defconfig
  ARM: omap2plus_defconfig: Shrink with savedefconfig
  ARM: OMAP3: Use manual idle for UARTs because of DMA errata
  ARM: OMAP2+: Add hwmod flag for HWMOD_RECONFIG_IO_CHAIN
 2014-09-26 00:00:02 +02:00
Arnd Bergmann
e1e85e76ef Merge tag 'bcm63138-v4' of http://github.com/brcm/linux into next/soc 
Merge "ARM: BCM: Broadcom BCM63138 support" from Florian Fainelli:

This patchset adds very minimal support for the BCM63138 SoC which is
a xDSL SoC using a dual Cortex A9 CPU complex.

* tag 'bcm63138-v4' of http://github.com/brcm/linux:
  MAINTAINERS: add entry for the Broadcom BCM63xx ARM SoCs
  ARM: BCM63XX: add BCM963138DVT Reference platform DTS
  ARM: BCM63XX: add BCM63138 minimal Device Tree
  ARM: BCM63XX: add low-level UART debug support
  ARM: BCM63XX: add basic support for the Broadcom BCM63138 DSL SoC

Conflicts:
	arch/arm/Kconfig.debug

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2014-09-25 23:50:02 +02:00
Arnd Bergmann
45c636b46e Fifth Round of Renesas ARM Based SoC DT Updates for v3.18 
* Document manufacturer for KZM boards
 * Use SoC-specific irqc compatible property
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Merge tag 'renesas-dt5-for-v3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/dt

Pull "Fifth Round of Renesas ARM Based SoC DT Updates for v3.18" from Simon Horman:

* Document manufacturer for KZM boards
* Use SoC-specific irqc compatible property

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

* tag 'renesas-dt5-for-v3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  ARM: shmobile: Add manufacturer for KZM boards
  ARM: shmobile: r8a73a4 dtsi: Add SoC-specific irqc compatible property
 2014-09-25 18:08:56 +02:00
Arnd Bergmann
14b62fb015 ARM: tegra: core SoC code changes for 3.18 
the primary change here gets its address information from DT rather than
 iomap.h. This removes one more user of iomap.h, and will help allow the
 code to move to a location that can be shared between arch/arm and
 arch/arm64.
 
 An unused header file was also removed.
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Merge tag 'tegra-for-3.18-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/soc

Pull "ARM: tegra: core SoC code changes for 3.18" from Stephen Warren:

the primary change here gets its address information from DT rather than
iomap.h. This removes one more user of iomap.h, and will help allow the
code to move to a location that can be shared between arch/arm and
arch/arm64.

An unused header file was also removed.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

* tag 'tegra-for-3.18-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
  ARM: tegra: remove unused tegra_emc.h
  ARM: tegra: Initialize flow controller from DT
  of: Add NVIDIA Tegra flow controller bindings
 2014-09-25 17:53:39 +02:00
Carlo Caione
2d3a2cdbbd ARM: meson: documentation: add bindings documentation 
Add vendor prefixes and basic documentation for MesonX SoCs bindings

Signed-off-by: Carlo Caione <carlo@caione.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2014-09-25 17:34:14 +02:00
Matthias Brugger
6e9cb26336 ARM: dts: mediatek: Add compatible property for aquaris5 
Add the missing 'compatible' property to device tree root node of

 - mt6589-aquaris5.dts

and document the new values.

Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
 2014-09-24 11:12:27 -07:00
Olof Johansson
8adc36bcd3 Changes for .dts files for omaps for v3.18 merge window: 
- Updates for gta04 to add gta04a3 model
 - Add support for Tehnexion TAO3530 boards
 - Regulator names for beaglebone
 - Pinctrl related updates for omap5, dra7 and am437
 - Model name fix for sbc-t54
 - Enable mailbox for various omaps
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Merge tag 'dt-for-v3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/dt

Merge "omap dts changes for v3.18 merge window" from Tony Lindgren:

Changes for .dts files for omaps for v3.18 merge window:

- Updates for gta04 to add gta04a3 model
- Add support for Tehnexion TAO3530 boards
- Regulator names for beaglebone
- Pinctrl related updates for omap5, dra7 and am437
- Model name fix for sbc-t54
- Enable mailbox for various omaps

* tag 'dt-for-v3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (291 commits)
  ARM: dts: OMAP2+: Add sub mailboxes device node information
  ARM: dts: dra7-evm: Mark uart1 rxd as wakeup capable
  ARM: dts: OMAP5 / DRA7: switch over to interrupts-extended property for UART
  ARM: dts: AM437x: switch to compatible pinctrl
  ARM: dts: DRA7: switch to compatible pinctrl
  ARM: dts: OMAP5: switch to compatible pinctrl
  ARM: dts: am335x-boneblack: Add names for remaining regulators
  ARM: dts: sbc-t54: fix model property
  ARM: dts: omap5.dtsi: add DSS RFBI node
  ARM: dts: omap3: Add HEAD acoustics omap3-ha.dts and omap3-ha-lcd.dts (TAO3530 based)
  ARM: dts: omap3: Add Technexion Thunder support (TAO3530 SOM based)
  ARM: dts: omap3: Add Technexion TAO3530 SOM omap3-tao3530.dtsi
  ARM: OMAP2+: tao3530: Add pdata-quirk for the mmc2 internal clock
  ARM: OMAP2+: board-generic: add support for AM57xx family
  ARM: dts: dra72-evm: Add tps65917 PMIC node
  ARM: dts: dra72-evm: Enable I2C1 node
  Linux 3.17-rc3
  unicore32: Fix build error
  vexpress/spc: fix a build warning on array bounds
  spi: sh-msiof: Fix transmit-only DMA transfers
  ...

Signed-off-by: Olof Johansson <olof@lixom.net>
 2014-09-23 22:11:25 -07:00
Alexandre Belloni
02037a9719 ARM: at91: document Atmel SMART compatibles 
Document all the available compatibles for Atmel "SMART" SoCs.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
 2014-09-22 14:42:40 +02:00
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
Florian Fainelli
dc6aec60e1 ARM: BCM63XX: add basic support for the Broadcom BCM63138 DSL SoC 
This patch adds basic support for the Broadcom BCM63138 DSL SoC which is
using a dual-core Cortex A9 system. Add the very minimum required code
boot Linux on this SoC.

Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
 2014-09-17 10:56:06 -07:00
Geert Uytterhoeven
08adafd4a1 ARM: shmobile: Add manufacturer for KZM boards 
KZM-A9-Dual and KZM-A9-GT are manufactured by Kyoto Microcomputer Co.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
 2014-09-17 09:23:14 +09:00
Lorenzo Pieralisi
3f8161b260 Documentation: arm: define DT idle states bindings 
ARM based platforms implement a variety of power management schemes that
allow processors to enter idle states at run-time.
The parameters defining these idle states vary on a per-platform basis forcing
the OS to hardcode the state parameters in platform specific static tables
whose size grows as the number of platforms supported in the kernel increases
and hampers device drivers standardization.

Therefore, this patch aims at standardizing idle state device tree bindings
for ARM platforms. Bindings define idle state parameters inclusive of entry
methods and state latencies, to allow operating systems to retrieve the
configuration entries from the device tree and initialize the related power
management drivers, paving the way for common code in the kernel to deal with
idle states and removing the need for static data in current and previous
kernel versions.

ARM64 platforms require the DT to define an entry-method property
for idle states.

On system implementing PSCI as an enable-method to enter low-power
states the PSCI CPU suspend method requires the power_state parameter to
be passed to the PSCI CPU suspend function.

This parameter is specific to a power state and platform specific,
therefore must be provided by firmware to the OS in order to enable
proper call sequence.

Thus, this patch also adds a property in the PSCI bindings that
describes how the PSCI CPU suspend power_state parameter should be
defined in DT in all device nodes that rely on PSCI CPU suspend method usage.

Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Sebastian Capella <sebcape@gmail.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
 2014-09-12 10:48:55 +01:00
Arnd Bergmann
87e9d8fd26 arm: dts: Add Altera SDRAM EDAC bindings & devicetree entries. 
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Merge tag 'socfpga_update_for_v3.18' of git://git.rocketboards.org/linux-socfpga-next into next/dt

Pull "arm: dts: Add Altera SDRAM EDAC bindings & devicetree entries" From Dinh Nguyen:

5 of the 6 patches are DTS updates and the 1 patch is updating
the MAINTAINERS entry with my new email address.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

* tag 'socfpga_update_for_v3.18' of git://git.rocketboards.org/linux-socfpga-next:
  arm: dts: Add Altera SDRAM EDAC bindings & devicetree entries.
  ARM: dts: socfpga: memreserve first 4KB for future system use
  ARM: dts: socfpga: Add SD card detect
  ARM: dts: socfpga: remove extra alias in the ArriaV devkit
  ARM: dts: socfpga: unuse the slot-node and deprecate the supports-highspeed for dw-mmc
  MAINTAINERS: update entries for ARM/SOCFPGA platform
 2014-09-09 16:49:28 +02:00
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
Thor Thayer
75a41826e2 arm: dts: Add Altera SDRAM EDAC bindings & devicetree entries. 
Add the Altera SDRAM EDAC bindings and device tree changes to the Altera SoC
project.

There was a discussion thread on whether this driver should be an mfd driver
or just make use of syscon, which is already a mfd. Ultimately, the
decision to use a simple syscon interface was reached.[1]

[1] https://lkml.org/lkml/2014/7/30/514

Signed-off-by: Thor Thayer <tthayer@opensource.altera.com>
Acked-by: Pavel Machek <pavel@denx.de>
[dinguyen] cleaned-up commit header and remove version history.
Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
 2014-09-04 10:15:52 -05:00
Haojian Zhuang
f2b22ab5b3 document: dt: add the binding on HiP04 
Add Hisilicon HiP04 SoC platform & Fabric controller.

Fabric controller could be used to configure snoop filter among multiple
clusters.

Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
 2014-09-03 14:10:32 +01:00
Geert Uytterhoeven
d2c2a07768 ARM: shmobile: Add platform device tree bindings documentation 
Add Renesas SH-Mobile, R-Mobile, and R-Car Platform Device Tree Bindings
Documentation, listing supported SoCs and boards.

This allows to use checkpatch to validate DTSes referring to Renesas
shmobile SoCs, and boards containing those SoCs.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
[horms+renesas@verge.net.au: tweaked title]
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
 2014-09-01 10:45:06 +09:00
Thierry Reding
9fc3bf5dc2 of: Add NVIDIA Tegra flow controller bindings 
Add device tree bindings for the flow controller found on NVIDIA Tegra
SoCs.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
 2014-08-26 11:37:19 -06:00
Greg Kroah-Hartman
39bdc95871 1st round of new IIO drivers, functionality and cleanups for the 3.18 cycle. 
Maintainer Updates
 
 * Add 3 designated reviewers for IIO.  Lars, Peter and Hartmut have been
   actively reviewing a lot of patches for a while now so this reflects
   the status quo.  These three are probably the only reason I keep
   my head above the water!
 
 New drivers and device support
 
 * max5821 DAC
 * Rockchip SARADC
 * TI ADC128S052 ADC
 * BMC150 Accelerometer
 * exynos ADC driver gains support for s3c24xx and s3c64xx parts.
 * kxcjk-1013 gainst range control and runtime PM support to drive
   down it's power usage.
 
 Driver removals
 
 * Drop ad5930, ad99850, ad9852, ad9910 and ad9951 drivers on the simple
   basis that they drivers just provided a register write function with
   no compliant user space ABI whatsoever.  Much better to drop them and
   start again for these in the fullness of time.
 
 Core Enhancements
 
 * Join together neighbouring elements in the demux units that feeds
   the binary interfaces.  This cuts down on the number of individual
   copies needed  when splitting out individual channels from the incoming
   channel scans.
 * Other demux related cleanups such as using roundup instead of a local
   implementation.
 
 Cleanups
 
 * Drop an unnecessary double setting of the owner field in xilinx adc.
 * Some more patches to use managed (devm) interfaces to cut down on
   complexity of removal code.
 * adis16060 coding style fixlets.
 * Fix some incorrect error returns in the Xilinx ADC driver.
 * Coding style fixlets for various accelerometer drivers.
 * Some sparse warning fixes to do with endianness and sign of variables.
 * Fix an incorrect and entirely pointless use of sizeof on a dynamic pointer
   in hid-sensor-magn-3d by dropping the relevant code.
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Merge tag 'iio-for-3.18a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into work-next

Jonathan writes:

1st round of new IIO drivers, functionality and cleanups for the 3.18 cycle.

Maintainer Updates

* Add 3 designated reviewers for IIO.  Lars, Peter and Hartmut have been
  actively reviewing a lot of patches for a while now so this reflects
  the status quo.  These three are probably the only reason I keep
  my head above the water!

New drivers and device support

* max5821 DAC
* Rockchip SARADC
* TI ADC128S052 ADC
* BMC150 Accelerometer
* exynos ADC driver gains support for s3c24xx and s3c64xx parts.
* kxcjk-1013 gainst range control and runtime PM support to drive
  down it's power usage.

Driver removals

* Drop ad5930, ad99850, ad9852, ad9910 and ad9951 drivers on the simple
  basis that they drivers just provided a register write function with
  no compliant user space ABI whatsoever.  Much better to drop them and
  start again for these in the fullness of time.

Core Enhancements

* Join together neighbouring elements in the demux units that feeds
  the binary interfaces.  This cuts down on the number of individual
  copies needed  when splitting out individual channels from the incoming
  channel scans.
* Other demux related cleanups such as using roundup instead of a local
  implementation.

Cleanups

* Drop an unnecessary double setting of the owner field in xilinx adc.
* Some more patches to use managed (devm) interfaces to cut down on
  complexity of removal code.
* adis16060 coding style fixlets.
* Fix some incorrect error returns in the Xilinx ADC driver.
* Coding style fixlets for various accelerometer drivers.
* Some sparse warning fixes to do with endianness and sign of variables.
* Fix an incorrect and entirely pointless use of sizeof on a dynamic pointer
  in hid-sensor-magn-3d by dropping the relevant code.
 2014-08-25 11:09:35 -07:00
Maxime Ripard
8d248f0d3a ARM: at91: Rework ramc mapping code 
Adapt the ramc mapping code to handle multiple ram controllers in the DT.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
 2014-08-25 16:02:26 +02:00
Nicolas Ferre
e657ce689a AT91 reset, poweroff and ram drivers 
This tag holds the various new drivers introduced to move code that used to be
 in mach-at91 over to the proper frameworks.
 
 These files are the reboot and poweroff code for all AT91 SoCs but the RM9200,
 and the ram controller driver is not doing much at the time, except for grabing
 the RAM clock in order to leave it always enabled.
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Merge tag 'at91-drivers-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux

Pull AT91 reset, poweroff and ram drivers from Maxime Ripard:
 "This tag holds the various new drivers introduced to move code that used to be
  in mach-at91 over to the proper frameworks.

  These files are the reboot and poweroff code for all AT91 SoCs but the RM9200,
  and the ram controller driver is not doing much at the time, except for grabing
  the RAM clock in order to leave it always enabled."

Conflicts:
	arch/arm/mach-at91/Kconfig
 2014-08-25 15:35:26 +02:00
Linus Torvalds
10c8e05620 ARM: SoC driver changes for 3.17 
A handful of driver-related changes. We've had a bunch of them going in through
 other branches as well, so it's only a part of what we really have this release.
 
 Larger pieces are:
 
 * Removal of a now unused PWM driver for atmel
   - This includes AVR32 changes that have been appropriately acked.
 * Performance counter support for the arm CCN interconnect
 * OMAP mailbox driver cleanups and consolidation
 * PCI and SATA PHY drivers for SPEAr 13xx platforms
 * Redefinition (with backwards compatibility!) of PCI DT bindings for Tegra to
   better model regulators/power.
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Merge tag 'drivers-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver changes from Olof Johansson:
 "A handful of driver-related changes.  We've had a bunch of them going
  in through other branches as well, so it's only a part of what we
  really have this release.

  Larger pieces are:

   - Removal of a now unused PWM driver for atmel
     [ This includes AVR32 changes that have been appropriately acked ]
   - Performance counter support for the arm CCN interconnect
   - OMAP mailbox driver cleanups and consolidation
   - PCI and SATA PHY drivers for SPEAr 13xx platforms
   - Redefinition (with backwards compatibility!) of PCI DT bindings for
     Tegra to better model regulators/power"

Note: this merge also fixes up the semantic conflict with the new
calling convention for devm_phy_create(), see commit f0ed817638 ("phy:
core: Let node ptr of PHY point to PHY and not of PHY provider") that
came in through Greg's USB tree.

Semantic merge patch by Stephen Rothwell <sfr@canb.auug.org.au> through
the next tree.

* tag 'drivers-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (38 commits)
  bus: arm-ccn: Fix error handling at event allocation
  mailbox/omap: add a parent structure for every IP instance
  mailbox/omap: remove the private mailbox structure
  mailbox/omap: consolidate OMAP mailbox driver
  mailbox/omap: simplify the fifo assignment by using macros
  mailbox/omap: remove omap_mbox_type_t from mailbox ops
  mailbox/omap: remove OMAP1 mailbox driver
  mailbox/omap: use devm_* interfaces
  bus: ARM CCN: add PERF_EVENTS dependency
  bus: ARM CCN PMU driver
  PCI: spear: Remove spear13xx_pcie_remove()
  PCI: spear: Fix Section mismatch compilation warning for probe()
  ARM: tegra: Remove legacy PCIe power supply properties
  PCI: tegra: Remove deprecated power supply properties
  PCI: tegra: Implement accurate power supply scheme
  ARM: SPEAr13xx: Update defconfigs
  ARM: SPEAr13xx: Add pcie and miphy DT nodes
  ARM: SPEAr13xx: Add bindings and dt node for misc block
  ARM: SPEAr13xx: Fix static mapping table
  phy: Add drivers for PCIe and SATA phy on SPEAr13xx
  ...
 2014-08-08 11:34:32 -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
66bb0aa077 Here are the PPC and ARM changes for KVM, which I separated because 
they had small conflicts (respectively within KVM documentation,
 and with 3.16-rc changes).  Since they were all within the subsystem,
 I took care of them.
 
 Stephen Rothwell reported some snags in PPC builds, but they are all
 fixed now; the latest linux-next report was clean.
 
 New features for ARM include:
 - KVM VGIC v2 emulation on GICv3 hardware
 - Big-Endian support for arm/arm64 (guest and host)
 - Debug Architecture support for arm64 (arm32 is on Christoffer's todo list)
 
 And for PPC:
 - Book3S: Good number of LE host fixes, enable HV on LE
 - Book3S HV: Add in-guest debug support
 
 This release drops support for KVM on the PPC440.  As a result, the
 PPC merge removes more lines than it adds. :)
 
 I also included an x86 change, since Davidlohr tied it to an independent
 bug report and the reporter quickly provided a Tested-by; there was no
 reason to wait for -rc2.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull second round of KVM changes from Paolo Bonzini:
 "Here are the PPC and ARM changes for KVM, which I separated because
  they had small conflicts (respectively within KVM documentation, and
  with 3.16-rc changes).  Since they were all within the subsystem, I
  took care of them.

  Stephen Rothwell reported some snags in PPC builds, but they are all
  fixed now; the latest linux-next report was clean.

  New features for ARM include:
   - KVM VGIC v2 emulation on GICv3 hardware
   - Big-Endian support for arm/arm64 (guest and host)
   - Debug Architecture support for arm64 (arm32 is on Christoffer's todo list)

  And for PPC:
   - Book3S: Good number of LE host fixes, enable HV on LE
   - Book3S HV: Add in-guest debug support

  This release drops support for KVM on the PPC440.  As a result, the
  PPC merge removes more lines than it adds.  :)

  I also included an x86 change, since Davidlohr tied it to an
  independent bug report and the reporter quickly provided a Tested-by;
  there was no reason to wait for -rc2"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (122 commits)
  KVM: Move more code under CONFIG_HAVE_KVM_IRQFD
  KVM: nVMX: fix "acknowledge interrupt on exit" when APICv is in use
  KVM: nVMX: Fix nested vmexit ack intr before load vmcs01
  KVM: PPC: Enable IRQFD support for the XICS interrupt controller
  KVM: Give IRQFD its own separate enabling Kconfig option
  KVM: Move irq notifier implementation into eventfd.c
  KVM: Move all accesses to kvm::irq_routing into irqchip.c
  KVM: irqchip: Provide and use accessors for irq routing table
  KVM: Don't keep reference to irq routing table in irqfd struct
  KVM: PPC: drop duplicate tracepoint
  arm64: KVM: fix 64bit CP15 VM access for 32bit guests
  KVM: arm64: GICv3: mandate page-aligned GICV region
  arm64: KVM: GICv3: move system register access to msr_s/mrs_s
  KVM: PPC: PR: Handle FSCR feature deselects
  KVM: PPC: HV: Remove generic instruction emulation
  KVM: PPC: BOOKEHV: rename e500hv_spr to bookehv_spr
  KVM: PPC: Remove DCR handling
  KVM: PPC: Expose helper functions for data/inst faults
  KVM: PPC: Separate loadstore emulation from priv emulation
  KVM: PPC: Handle magic page in kvmppc_ld/st
  ...
 2014-08-07 11:35:30 -07:00
Chanwoo Choi
145b0a5d18 iio: adc: exynos_adc: Add support for s3c24xx ADC 
This patch add support for s3c2410/s3c2416/s3c2440/s3c2443 ADC. The s3c24xx
is alomost same as ADCv1. But, There are a little difference as following:
- ADCMUX register address
- ADCDAT mask (10 bit or 12 bit ADC resolution according to SoC version)
- s3c24xx/s3c64xx has not included ADC_PHY enable register

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2014-08-07 17:48:44 +01:00
Arnd Bergmann
249535d894 iio: adc: exynos_adc: add support for s3c64xx adc 
The ADC in s3c64xx is almost the same as exynosv1, but
has a different 'select' method. Adding this here will be
helpful to move over the existing s3c64xx platform from the
legacy plat-samsung/adc driver to the new exynos-adc.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2014-08-07 17:36:55 +01:00
Linus Torvalds
08d69a2571 Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull irq updates from Thomas Gleixner:
 "Nothing spectacular from the irq department this time:
   - overhaul of the crossbar chip driver
   - overhaul of the spear shirq chip driver
   - support for the atmel-aic chip
   - code move from arch to drivers
   - the usual tiny fixlets
   - two reverts worth to mention which undo the too simple attempt of
     supporting wakeup interrupts on shared interrupt lines"

* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (41 commits)
  Revert "irq: Warn when shared interrupts do not match on NO_SUSPEND"
  Revert "PM / sleep / irq: Do not suspend wakeup interrupts"
  irq: Warn when shared interrupts do not match on NO_SUSPEND
  irqchip: atmel-aic: Define irq fixups for atmel SoCs
  irqchip: atmel-aic: Implement RTC irq fixup
  irqchip: atmel-aic: Add irq fixup infrastructure
  irqchip: atmel-aic: Add atmel AIC/AIC5 drivers
  irqchip: atmel-aic: Move binding doc to interrupt-controller directory
  genirq: generic chip: Export irq_map_generic_chip function
  PM / sleep / irq: Do not suspend wakeup interrupts
  irqchip: or1k-pic: Migrate from arch/openrisc/
  irqchip: crossbar: Allow for quirky hardware with direct hardwiring of GIC
  documentation: dt: omap: crossbar: Add description for interrupt consumer
  irqchip: crossbar: Introduce centralized check for crossbar write
  irqchip: crossbar: Introduce ti, max-crossbar-sources to identify valid crossbar mapping
  irqchip: crossbar: Add kerneldoc for crossbar_domain_unmap callback
  irqchip: crossbar: Set cb pointer to null in case of error
  irqchip: crossbar: Change the goto naming
  irqchip: crossbar: Return proper error value
  irqchip: crossbar: Fix kerneldoc warning
  ...
 2014-08-05 17:38:45 -07:00
Paolo Bonzini
5d57686605 KVM/ARM New features for 3.17 include: 
- Fixes and code refactoring for stage2 kvm MMU unmap_range
  - Support unmapping IPAs on deleting memslots for arm and arm64
  - Support MMIO mappings in stage2 faults
  - KVM VGIC v2 emulation on GICv3 hardware
  - Big-Endian support for arm/arm64 (guest and host)
  - Debug Architecture support for arm64 (arm32 is on Christoffer's todo list)
  - Detect non page-aligned GICV regions and bail out (plugs guest-can-crash host bug)
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Merge tag 'kvm-arm-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into kvm

KVM/ARM New features for 3.17 include:
 - Fixes and code refactoring for stage2 kvm MMU unmap_range
 - Support unmapping IPAs on deleting memslots for arm and arm64
 - Support MMIO mappings in stage2 faults
 - KVM VGIC v2 emulation on GICv3 hardware
 - Big-Endian support for arm/arm64 (guest and host)
 - Debug Architecture support for arm64 (arm32 is on Christoffer's todo list)

Conflicts:
	virt/kvm/arm/vgic.c [last minute cherry-pick from 3.17 to 3.16]
 2014-08-05 09:47:45 +02:00
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
Linus Torvalds
e4ca4308c0 The clock framework changes for 3.17 are mostly additions of new clock 
drivers and fixes/enhancements to existing clock drivers. There are also
 some non-critical fixes and improvements to the framework core.
 
 Changes to the clock framework core include:
 * improvements to printks on errors
 * flattening the previously hierarchal structure of per-clock entries
   in debugfs
 * allow per-clock debugfs entries that are specific to a particular
   clock driver
 * configure initial clock parent and/or initial clock rate from Device
   Tree
 * several feature enhancements to the composite clock type
 * misc fixes
 
 New clock drivers added include:
 * TI Palmas PMIC
 * Allwinner A23 SoC
 * Qualcomm APQ8084 and IPQ8064 SoCs
 * Rockchip rk3188, rk3066 and rk3288 SoCs
 * STMicroelectronics STiH407 SoC
 * Cirrus Logic CLPS711X SoC
 
 Many fixes, feature enhancements and further clock tree support for
 existing clock drivers also were merged, such as Samsung's "ARMCLK down"
 power saving feature for their Exynos4 & Exynos5 SoCs.
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Merge tag 'clk-for-linus-3.17' of git://git.linaro.org/people/mike.turquette/linux

Pull clock framework updates from Mike Turquette:
 "The clock framework changes for 3.17 are mostly additions of new clock
  drivers and fixes/enhancements to existing clock drivers.  There are
  also some non-critical fixes and improvements to the framework core.

  Changes to the clock framework core include:
   - improvements to printks on errors
   - flattening the previously hierarchal structure of per-clock entries
     in debugfs
   - allow per-clock debugfs entries that are specific to a particular
     clock driver
   - configure initial clock parent and/or initial clock rate from
     Device Tree
   - several feature enhancements to the composite clock type
   - misc fixes

  New clock drivers added include:
   - TI Palmas PMIC
   - Allwinner A23 SoC
   - Qualcomm APQ8084 and IPQ8064 SoCs
   - Rockchip rk3188, rk3066 and rk3288 SoCs
   - STMicroelectronics STiH407 SoC
   - Cirrus Logic CLPS711X SoC

  Many fixes, feature enhancements and further clock tree support for
  existing clock drivers also were merged, such as Samsung's "ARMCLK
  down" power saving feature for their Exynos4 & Exynos5 SoCs"

* tag 'clk-for-linus-3.17' of git://git.linaro.org/people/mike.turquette/linux: (86 commits)
  clk: Add missing of_clk_set_defaults export
  clk: checking wrong variable in __set_clk_parents()
  clk: Propagate any error return from debug_init()
  clk: clps711x: Add DT bindings documentation
  clk: Add CLPS711X clk driver
  clk: st: Use round to closest divider flag
  clk: st: Update frequency tables for fs660c32 and fs432c65
  clk: st: STiH407: Support for clockgenA9
  clk: st: STiH407: Support for clockgenD0/D2/D3
  clk: st: STiH407: Support for clockgenC0
  clk: st: Add quadfs reset handling
  clk: st: Add polarity bit indication
  clk: st: STiH407: Support for clockgenA0
  clk: st: STiH407: Support for A9 MUX Clocks
  clk: st: STiH407: Support for Flexgen Clocks
  clk: st: Adds Flexgen clock binding
  clk: st: Remove uncessary (void *) cast
  clk: st: use static const for clkgen_pll_data tables
  clk: st: use static const for stm_fs tables
  clk: st: Update ST clock binding documentation
  ...
 2014-08-04 11:44:20 -07:00
Olof Johansson
8850e0ba57 Samsung DT 2nd updates for v3.17 
This is based on tags/exynos-power because this DT changes
 are depending PMU cleanup.
 
 Fixes boot for exynos5260 and exynos5410,
 - Since exynos cannot boot without obtaining PMU address via
   DT from now on, add PMU node for exynos5260 and exynos5410
 
 For preparing exynos5250-spring,
 - move max77686 and cypress,cyapa trackpad from exynos5250-
   cros-common to exynos5250-snow DT file
 (Note exynos5250-spring is not included in this branch yet)
 
 For exynos3250,
 - add TMU node and remove duplicated interrupt-parent
 - add missing pinctrl property for uart0 and uart1
 
 For exynos5250-smdk5250 board
 - add max77686 pmic interrupt property which is connected to
   gpx3
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Merge tag 'samsung-dt-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/dt

Merge "Samsung DT 2nd updates for v3.17" from Kukjin Kim:

This is based on tags/exynos-power because this DT changes
are depending PMU cleanup.

Fixes boot for exynos5260 and exynos5410,
- Since exynos cannot boot without obtaining PMU address via
  DT from now on, add PMU node for exynos5260 and exynos5410

For preparing exynos5250-spring,
- move max77686 and cypress,cyapa trackpad from exynos5250-
  cros-common to exynos5250-snow DT file
(Note exynos5250-spring is not included in this branch yet)

For exynos3250,
- add TMU node and remove duplicated interrupt-parent
- add missing pinctrl property for uart0 and uart1

For exynos5250-smdk5250 board
- add max77686 pmic interrupt property which is connected to
  gpx3

* tag 'samsung-dt-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: (28 commits)
  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: 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
  ARM: dts: Document exynos5410 PMU
  ARM: EXYNOS: Move cpufreq and cpuidle device registration to init_machine
  ARM: EXYNOS: Refactored code for using PMU address via DT
  ARM: EXYNOS: Support cluster power off on exynos5420/5800
  ARM: EXYNOS: populate suspend and powered_up callbacks for mcpm
  ARM: EXYNOS: do not allow cpuidle registration for exynos5420
  cpuidle: big.LITTLE: init driver for exynos5420
  cpuidle: big.LITTLE: Add ARCH_EXYNOS entry in config
  ARM: EXYNOS: add generic function to calculate cpu number
  cpuidle: big.LITTLE: add of_device_id structure
  ...

Signed-off-by: Olof Johansson <olof@lixom.net>
 2014-07-31 20:17:53 -07:00
Mike Turquette
d7d3d26fa5 Samsung clock patches for 3.17 
1) non-critical fixes (without need to push to stable):
 
 d5e136a clk: samsung: Register clk provider only after registering its all clocks
 305cfab clk: samsung: Make of_device_id array const
 e9d5295 clk: samsung: exynos5420: Setup clocks before system suspend
 f65d518 clk: samsung: trivial: Correct typo in author's name
 
 2) Exynos CLKOUT driver:
 
 800c979 clk: samsung: exynos4: Add missing CPU/DMC clock hierarchy
 01f7ec2 clk: samsung: exynos4: Add CLKOUT clock hierarchy
 1e832e5 clk: samsung: Add driver to control CLKOUT line on Exynos SoCs
 d19bb39 ARM: dts: exynos: Update PMU node with CLKOUT related data
 
 3) Clock hierarchy extensions:
 
 17d3f1d clk: exynos4: Add PPMU IP block source clocks.
 ca5b402 clk: samsung: register exynos5420 apll/kpll configuration data
 
 4) ARM CLKDOWN functionality enablement for Exynos4 and 3250:
 
 42773b2 clk: samsung: exynos4: Enable ARMCLK down feature
 45c5b0a clk: samsung: exynos3250: Enable ARMCLK down feature
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Merge tag 'for_3.17/samsung-clk' of git://git.kernel.org/pub/scm/linux/kernel/git/tfiga/samsung-clk into clk-next-samsung

Samsung clock patches for 3.17

1) non-critical fixes (without need to push to stable):

d5e136a clk: samsung: Register clk provider only after registering its all clocks
305cfab clk: samsung: Make of_device_id array const
e9d5295 clk: samsung: exynos5420: Setup clocks before system suspend
f65d518 clk: samsung: trivial: Correct typo in author's name

2) Exynos CLKOUT driver:

800c979 clk: samsung: exynos4: Add missing CPU/DMC clock hierarchy
01f7ec2 clk: samsung: exynos4: Add CLKOUT clock hierarchy
1e832e5 clk: samsung: Add driver to control CLKOUT line on Exynos SoCs
d19bb39 ARM: dts: exynos: Update PMU node with CLKOUT related data

3) Clock hierarchy extensions:

17d3f1d clk: exynos4: Add PPMU IP block source clocks.
ca5b402 clk: samsung: register exynos5420 apll/kpll configuration data

4) ARM CLKDOWN functionality enablement for Exynos4 and 3250:

42773b2 clk: samsung: exynos4: Enable ARMCLK down feature
45c5b0a clk: samsung: exynos3250: Enable ARMCLK down feature
 2014-07-31 09:32:18 -07:00
Haifeng Yan
06cc5c1d4d ARM: hisi: enable hix5hd2 SoC 
Enable support for the Hisilicon HiX5HD2 SoC. This HiX5HD2 SoC series
support both single and dual Cortex-A9 cores.

Add ARCH_HIX5HD2 to distinguish HiX5HD2 from Hi3xxx.

They are different in implementation such as SMP, IPs integarted and
earlycon configure.

Signed-off-by: Haifeng Yan <yanhaifeng@gmail.com>
Signed-off-by: Jiancheng Xue <jchxue@gmail.com>
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Acked-by: Wei Xu <xuwei5@hisilicon.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
 2014-07-30 22:32:20 -07:00
Olof Johansson
8b510129ba arm: Xilinx Zynq dt patches for v3.17 third pull request 
- Add Adapteva Parallella board/DT
 - Add SPI nodes
 - Add CAN nodes
 - Clean Zynq description
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Merge tag 'zynq-dt-for-3.17-3' of git://git.xilinx.com/linux-xlnx into next/dt

Merge "Xilinx Zynq dt changes for v3.17 - third pull request" from Michal
Simek:

arm: Xilinx Zynq dt patches for v3.17 third pull request

- Add Adapteva Parallella board/DT
- Add SPI nodes
- Add CAN nodes
- Clean Zynq description

* tag 'zynq-dt-for-3.17-3' of git://git.xilinx.com/linux-xlnx:
  ARM: zynq: DT: Clarify Xilinx Zynq platform
  ARM: zynq: DT: Remove DMA from board DTs
  ARM: zynq: DT: Add CAN node
  ARM: dts: zynq: Add SPI
  ARM: dts: zynq: Add DMAC for Parallella
  ARM: dts: zynq: Add Parallella device tree
  Documentation: devicetree: Adapteva boards
  Documentation: devicetree: Adapteva vendor prefix

Signed-off-by: Olof Johansson <olof@lixom.net>
 2014-07-30 12:54:57 -07:00
Michal Simek
6a3246c02e ARM: zynq: DT: Clarify Xilinx Zynq platform 
ep107 was emulation platform and compatible string
have been changed long time ago.

"ARM: zynq: dts: split up device tree"
(sha1: e06f1a9ed7)

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
 2014-07-30 13:26:54 +02:00
Vikas Sajjan
fbe4e9f55b ARM: dts: Add PMU DT node for exynos5260 SoC 
Adds PMU DT node for exynos5260 SoC.

Signed-off-by: Vikas Sajjan <vikas.sajjan@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
 2014-07-29 06:17:39 +09:00
Andreas Faerber
c0314e8a4e ARM: dts: Document exynos5410 PMU 
We will start using "samsung,exynos5410-pmu".

Signed-off-by: Andreas Faerber <afaerber@suse.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
 2014-07-29 06:09:51 +09:00
Arnd Bergmann
8cfb4e3d30 ARM: mach-bcm: dt updatees for 3.17 
- BCM Mobile SMP support
 - BRCM STB platform support
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Merge tag 'for-3.17/bcm-dt' of git://github.com/broadcom/mach-bcm into next/dt

Merge "ARM: mach-bcm: dt updatees for 3.17" from Matt Porter:

- BCM Mobile SMP support
- BRCM STB platform support

* tag 'for-3.17/bcm-dt' of git://github.com/broadcom/mach-bcm:
  ARM: brcmstb: dts: add a reference DTS for Broadcom 7445
  ARM: brcmstb: gic: add compatible string for Broadcom Brahma15
  ARM: brcmstb: add misc. DT bindings for brcmstb
  ARM: brcmstb: add CPU binding for Broadcom Brahma15
  ARM: dts: enable SMP support for bcm21664
  ARM: dts: enable SMP support for bcm28155
  devicetree: bindings: document Broadcom CPU enable method

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2014-07-28 17:05:59 +02:00
Marc Carino
f80b71397d ARM: brcmstb: gic: add compatible string for Broadcom Brahma15 
Document the Broadcom Brahma B15 GIC implementation as compatible
with the ARM GIC standard.

Signed-off-by: Marc Carino <marc.ceeeee@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Matt Porter <mporter@linaro.org>
 2014-07-28 10:01:28 -04:00
Marc Carino
c5cc8bb5bd ARM: brcmstb: add misc. DT bindings for brcmstb 
Document the bindings that the Broadcom STB platform needs
for proper bootup.

Signed-off-by: Marc Carino <marc.ceeeee@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Matt Porter <mporter@linaro.org>
 2014-07-28 10:01:09 -04:00
Marc Carino
0a540d4ba6 ARM: brcmstb: add CPU binding for Broadcom Brahma15 
Add the Broadcom Brahma B15 CPU to the DT CPU binding list.

Signed-off-by: Marc Carino <marc.ceeeee@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Matt Porter <mporter@linaro.org>
 2014-07-28 10:00:57 -04:00
Alex Elder
be37a8b5a3 devicetree: bindings: document Broadcom CPU enable method 
Broadcom mobile SoCs use a ROM-implemented holding pen for
controlled boot of secondary cores.  A special register is
used to communicate to the ROM that a secondary core should
start executing kernel code.  This enable method is currently
used for members of the bcm281xx and bcm21664 SoC families.

The use of an enable method also allows the SMP operation vector to
be assigned as a result of device tree content for these SoCs.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Matt Porter <mporter@linaro.org>
 2014-07-28 09:41:05 -04:00