Commit Graph

169 Commits

Author SHA1 Message Date
Linus Torvalds
43a0a98aa8 ARM: SoC driver updates for v4.8
Driver updates for ARM SoCs.
 
 A slew of changes this release cycle. The reset driver tree, that we merge
 through arm-soc for historical reasons, is also sizable this time around.
 
 Among the changes:
 
  - clps711x: Treewide changes to compatible strings, merged here for simplicity.
  - Qualcomm: SCM firmware driver cleanups, move to platform driver
  - ux500: Major cleanups, removal of old mach-specific infrastructure.
  - Atmel external bus memory driver
  - Move of brcmstb platform to the rest of bcm
  - PMC driver updates for tegra, various fixes and improvements
  - Samsung platform driver updates to support 64-bit Exynos platforms
  - Reset controller cleanups moving to devm_reset_controller_register() APIs
  - Reset controller driver for Amlogic Meson
  - Reset controller driver for Hisilicon hi6220
  - ARM SCPI power domain support
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver updates from Olof Johansson:
 "Driver updates for ARM SoCs.

  A slew of changes this release cycle.  The reset driver tree, that we
  merge through arm-soc for historical reasons, is also sizable this
  time around.

  Among the changes:

   - clps711x: Treewide changes to compatible strings, merged here for simplicity.
   - Qualcomm: SCM firmware driver cleanups, move to platform driver
   - ux500: Major cleanups, removal of old mach-specific infrastructure.
   - Atmel external bus memory driver
   - Move of brcmstb platform to the rest of bcm
   - PMC driver updates for tegra, various fixes and improvements
   - Samsung platform driver updates to support 64-bit Exynos platforms
   - Reset controller cleanups moving to devm_reset_controller_register() APIs
   - Reset controller driver for Amlogic Meson
   - Reset controller driver for Hisilicon hi6220
   - ARM SCPI power domain support"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (100 commits)
  ARM: ux500: consolidate base platform files
  ARM: ux500: move soc_id driver to drivers/soc
  ARM: ux500: call ux500_setup_id later
  ARM: ux500: consolidate soc_device code in id.c
  ARM: ux500: remove cpu_is_u* helpers
  ARM: ux500: use CLK_OF_DECLARE()
  ARM: ux500: move l2x0 init to .init_irq
  mfd: db8500 stop passing around platform data
  ASoC: ab8500-codec: remove platform data based probe
  ARM: ux500: move ab8500_regulator_plat_data into driver
  ARM: ux500: remove unused regulator data
  soc: raspberrypi-power: add CONFIG_OF dependency
  firmware: scpi: add CONFIG_OF dependency
  video: clps711x-fb: Changing the compatibility string to match with the smallest supported chip
  input: clps711x-keypad: Changing the compatibility string to match with the smallest supported chip
  pwm: clps711x: Changing the compatibility string to match with the smallest supported chip
  serial: clps711x: Changing the compatibility string to match with the smallest supported chip
  irqchip: clps711x: Changing the compatibility string to match with the smallest supported chip
  clocksource: clps711x: Changing the compatibility string to match with the smallest supported chip
  clk: clps711x: Changing the compatibility string to match with the smallest supported chip
  ...
2016-08-01 18:36:01 -04:00
Linus Torvalds
6f888fe31d ARM: SoC cleanups for v4.8
The cleanup branch keeps going down in size as we've completed a lot of
 the major legacy platform removals and conversions.
 
 A handful of changes this time around, some of the themes or larger sets are:
 
  - A bunch of i.MX cleanups around platform detection, init call cleanups
  - Misc fixes of missing/implicit includes
  - Removal of ARCH_[WANT_OPTIONAL|REQUIRE]_GPIOLIB
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Merge tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC cleanups from Olof Johansson:
 "The cleanup branch keeps going down in size as we've completed a lot
  of the major legacy platform removals and conversions.

  A handful of changes this time around, some of the themes or larger
  sets are:

   - A bunch of i.MX cleanups around platform detection, init call cleanups
   - Misc fixes of missing/implicit includes
   - Removal of ARCH_[WANT_OPTIONAL|REQUIRE]_GPIOLIB"

* tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (40 commits)
  ARM: mps2: fix typo
  ARM: s3c64xx: avoid warning about 'struct device_node'
  bus: mvebu-mbus: make mvebu_mbus_syscore_ops static
  bus: mvebu-mbus: fix __iomem on register pointers
  ARM: tegra: Remove board_init_funcs array
  ARM: iop: Fix indentation
  ARM: imx: remove cpu_is_mx*()
  ARM: imx: remove last call to cpu_is_mx5*
  ARM: imx: rework mx27_pm_init() call
  ARM: imx: deconstruct mx3_idle
  ARM: imx: deconstruct mxc_rnga initialization
  ARM: imx: remove cpu_is_mx1 check
  ARM: i.MX: Do not explicitly call l2x0_of_init()
  ARM: i.MX: system.c: Tweak prefetch settings for performance
  ARM: i.MX: system.c: Replace magic numbers
  ARM: i.MX: system.c: Remove redundant errata 752271 code
  ARM: i.MX: system.c: Convert goto to if statement
  ARM: Kirkwood: fix kirkwood_pm_init() declaration/type
  ARM: Kirkwood: make kirkwood_disable_mbus_error_propagation() static
  ARM: orion5x: make orion5x_legacy_handle_irq static
  ...
2016-08-01 18:21:13 -04:00
Linus Walleij
5c34a4e89c ARM: do away with ARCH_[WANT_OPTIONAL|REQUIRE]_GPIOLIB
This replaces:

- "select ARCH_REQUIRE_GPIOLIB" with "select GPIOLIB" as this can
  now be selected directly.

- "select ARCH_WANT_OPTIONAL_GPIOLIB" with no dependency: GPIOLIB
  is now selectable by everyone, so we need not declare our
  intent to select it.

When ordering the symbols the following rationale was used:
if the selects were in alphabetical order, I moved select GPIOLIB
to be in alphabetical order, but if the selects were not
maintained in alphabetical order, I just replaced
"select ARCH_REQUIRE_GPIOLIB" with "select GPIOLIB".

Cc: Michael Büsch <m@bues.ch>
Cc: arm@kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
2016-06-03 12:18:13 -07:00
Olof Johansson
c3d66602e0 Two fixes for v4.7 cycle for build issues:
1. Fix samsung-keypad build error if INPUT is selected as module.
    The error though depends on some uncommon build settings so it
    is not as easy to trigger.
 
 2. Get rid of 'samsung_device_dma_mask' defined but not used warning.
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Merge tag 'samsung-fixes-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into fixes

Two fixes for v4.7 cycle for build issues:
1. Fix samsung-keypad build error if INPUT is selected as module.
   The error though depends on some uncommon build settings so it
   is not as easy to trigger.

2. Get rid of 'samsung_device_dma_mask' defined but not used warning.

* tag 'samsung-fixes-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  ARM: exynos: don't select keyboard driver
  ARM: samsung: improve static dma_mask definition

Signed-off-by: Olof Johansson <olof@lixom.net>
2016-06-03 12:15:00 -07:00
Krzysztof Kozlowski
9479f7cc91 soc: samsung: pm_domains: Enable COMPILE_TEST for build coverage
Introduce a platform selectable symbol EXYNOS_PM_DOMAINS which can be
also toggled on by COMPILE_TEST for some build coverage.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
2016-05-30 09:12:57 +02:00
Arnd Bergmann
8a6f71ccb6 ARM: exynos: don't select keyboard driver
The samsung-keypad driver is implicitly selected by ARCH_EXYNOS4 (why?),
but this fails if CONFIG_INPUT is a loadable module:

drivers/input/built-in.o: In function `samsung_keypad_remove':
drivers/input/keyboard/samsung-keypad.c:461: undefined reference to `input_unregister_device'
drivers/input/built-in.o: In function `samsung_keypad_irq':
drivers/input/keyboard/samsung-keypad.c:137: undefined reference to `input_event'
drivers/input/built-in.o: In function `samsung_keypad_irq':
include/linux/input.h:389: undefined reference to `input_event'
drivers/input/built-in.o: In function `samsung_keypad_probe':
drivers/input/keyboard/samsung-keypad.c:358: undefined reference to `devm_input_allocate_device'
drivers/input/built-in.o:(.debug_addr+0x34): undefined reference to `input_set_capability'

This removes the 'select' as suggested by Krzysztof Kozlowski and
instead enables the driver from the defconfig files.

The problem does not happen on mainline kernels, as we don't normally
build built-in input drivers when CONFIG_INPUT=m, but I am experimenting
with a patch to change this, and the samsung keypad driver showed up
as one example that was silently broken before.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lkml.org/lkml/2016/2/14/55
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
2016-05-18 16:58:10 +02:00
Pavel Fedin
8ac2266d88 memory: samsung: exynos-srom: Add support for bank configuration
Implement handling properties in subnodes and adding child devices to the
system. Child devices will not be added if configuration fails.

Since the driver now does more than suspend-resume support, dependency on
CONFIG_PM is removed.

Signed-off-by: Pavel Fedin <p.fedin@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
2016-04-18 14:25:29 +02:00
Pankaj Dubey
5901f4c279 ARM: EXYNOS: Remove SROM related register settings from mach-exynos
As now we have dedicated driver for SROM controller, it will take care
of saving register banks during S2R so we can safely remove these
settings from mach-exynos.

Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
[k.kozlowski: Need to select also SAMSUNG_MC]
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
2016-04-18 14:25:28 +02:00
Linus Torvalds
33b3d2e88c ARM: SoC platform updates for v4.6
Newly added support for additional SoCs:
 
 - Axis Artpec-6 SoC family
 - Allwinner A83T SoC
 - Mediatek MT7623
 - NXP i.MX6QP SoC
 - ST Microelectronics stm32f469 microcontroller
 
 New features:
 - SMP support for Mediatek mt2701
 - Big-endian support for NXP i.MX
 - DaVinci now uses the new DMA engine dma_slave_map
 - OMAP now uses the new DMA engine dma_slave_map
 - earlyprintk support for palmchip uart on mach-tango
 - delay timer support for orion
 
 Other:
 - Exynos PMU driver moved out to drivers/soc/
 - Various smaller updates for Renesas, Xilinx, PXA, AT91, OMAP, uniphier
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform updates from Arnd Bergmann:
 "Newly added support for additional SoCs:
   - Axis Artpec-6 SoC family
   - Allwinner A83T SoC
   - Mediatek MT7623
   - NXP i.MX6QP SoC
   - ST Microelectronics stm32f469 microcontroller

  New features:
   - SMP support for Mediatek mt2701
   - Big-endian support for NXP i.MX
   - DaVinci now uses the new DMA engine dma_slave_map
   - OMAP now uses the new DMA engine dma_slave_map
   - earlyprintk support for palmchip uart on mach-tango
   - delay timer support for orion

  Other:
   - Exynos PMU driver moved out to drivers/soc/
   - Various smaller updates for Renesas, Xilinx, PXA, AT91, OMAP,
     uniphier"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (83 commits)
  ARM: uniphier: rework SMP code to support new System Bus binding
  ARM: uniphier: add missing of_node_put()
  ARM: at91: avoid defining CONFIG_* symbols in source code
  ARM: DRA7: hwmod: Add data for eDMA tpcc, tptc0, tptc1
  ARM: imx: Make reset_control_ops const
  ARM: imx: Do L2 errata only if the L2 cache isn't enabled
  ARM: imx: select ARM_CPU_SUSPEND only for imx6
  dmaengine: pxa_dma: fix the maximum requestor line
  ARM: alpine: select the Alpine MSI controller driver
  ARM: pxa: add the number of DMA requestor lines
  dmaengine: mmp-pdma: add number of requestors
  dma: mmp_pdma: Add the #dma-requests DT property documentation
  ARM: OMAP2+: Add rtc hwmod configuration for ti81xx
  ARM: s3c24xx: Avoid warning for inb/outb
  ARM: zynq: Move early printk virtual address to vmalloc area
  ARM: DRA7: hwmod: Add custom reset handler for PCIeSS
  ARM: SAMSUNG: Remove unused register offset definition
  ARM: EXYNOS: Cleanup header files inclusion
  drivers: soc: samsung: Enable COMPILE_TEST
  MAINTAINERS: Add maintainers entry for drivers/soc/samsung
  ...
2016-03-20 14:57:08 -07:00
Pankaj Dubey
bfce552d0b drivers: soc: Add support for Exynos PMU driver
This patch moves Exynos PMU driver implementation from "arm/mach-exynos"
to "drivers/soc/samsung". This driver is mainly used for setting misc
bits of register from PMU IP of Exynos SoC which will be required to
configure before Suspend/Resume. Currently all these settings are done
in "arch/arm/mach-exynos/pmu.c" but moving ahead for ARM64 based SoC
support, there is a need of this PMU driver in driver/* folder.

This driver uses existing DT binding information and there should
be no functionality change in the supported platforms.

Signed-off-by: Amit Daniel Kachhap <amitdanielk@gmail.com>
[tested on Peach-Pi (Exynos5880)]
Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
[for testing on Trats2 (Exynos4412) and Odroid XU3 (Exynos5422)]
Tested-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
[k.kozlowski: Rebased, add necessary infrastructure for building and
selecting drivers/soc because original patchset was on top of movement
SROMc to drivers/soc]
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
2016-02-25 10:18:07 +09:00
Pankaj Dubey
18fd9c6330 ARM: EXYNOS: Correct header comment in Kconfig file
This patch corrects header comment of Kconfig file by changing EXYNOS4 to
EXYNOS.

Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
2016-02-25 10:09:57 +09:00
Arnd Bergmann
dc7eb9d589 ARM: EXYNOS: select THERMAL_OF
We cannot select a symbol that has disabled dependencies, so
we get a warning if we ever enable EXYNOS_THERMAL without
also turning on THERMAL_OF:

warning: (ARCH_EXYNOS) selects EXYNOS_THERMAL which has unmet direct dependencies (THERMAL && (ARCH_EXYNOS || COMPILE_TEST) && THERMAL_OF)

This adds another 'select' in the platform code to avoid that
case. Alternatively, we could decide to not select EXYNOS_THERMAL
here and instead make it a user option.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: f87e6bd3f7 ("thermal: exynos: Add the dependency of CONFIG_THERMAL_OF instead of CONFIG_OF")
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
2016-02-01 10:29:20 +09:00
Linus Torvalds
1305eda751 ARM: SoC platform updates for v4.5
Updates for new platform support:
 
 - New platform: Tango4 from Sigma Designs.
 - Broadcom BCM2836 (Raspberry Pi 2 SoC)
 - Enable cpufreq on Freescale i.MX7D
 - Rockchip: SMP support for rk3036, general support for rk3228
 - SMP support on Broadcom Kona and NSP
 - Cleanups for OMAP removing legacy IOMMU data
 
 + a bunch of misc fixes and tweaks for various platforms.
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform updates from Olof Johansson:
 "Updates for new platform support:

   - New platform: Tango4 from Sigma Designs.
   - Broadcom BCM2836 (Raspberry Pi 2 SoC)
   - Enable cpufreq on Freescale i.MX7D
   - Rockchip: SMP support for rk3036, general support for rk3228
   - SMP support on Broadcom Kona and NSP
   - Cleanups for OMAP removing legacy IOMMU data

  + a bunch of misc fixes and tweaks for various platforms"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (46 commits)
  ARM: tango: Fix UP build issues
  ARM: tango: pass ARM arch level for smc.S
  ARM: bcm2835: Add Kconfig support for bcm2836
  ARM: OMAP2+: Add support for dm814x and dra62x usb
  ARM: OMAP2+: Add mmc hwmod entries for dm814x
  ARM: OMAP2+: Update 81xx clock and power domains for default, active and sgx
  ARM: OMAP2+: Fix SoC detection for dra62x j5-eco
  ARM: tango4: Initial platform support
  ARM: bcm2835: Add a compat string for bcm2836 machine probe
  dt-bindings: Add root properties for Raspberry Pi 2
  ARM: imx: select SRC for i.MX7
  ARM: uniphier: select PINCTRL
  ARM: OMAP2+: Remove device creation for omap-pcm-audio
  ARM: OMAP1: Remove device creation for omap-pcm-audio
  ARM: rockchip: enable support for RK3228 SoCs
  ARM: rockchip: use const and __initconst for rk3036 smp_operations
  ARM: zynq: Select ARCH_HAS_RESET_CONTROLLER
  ARM: BCM: Add SMP support for Broadcom 4708
  ARM: BCM: Add SMP support for Broadcom NSP
  ARM: BCM: Clean up SMP support for Broadcom Kona
  ...
2016-01-20 18:10:05 -08:00
Linus Torvalds
5083c54264 ARM: SoC cleanups for v4.5
A smallish number of general cleanup commits this release cycle. Some
 of these are minor tweaks:
 
 - shmobile change of binding for their GIC (using arm,pl390 now)
 - ARCH_RENESAS introduction
 - Misc other renesas updates
 
 There's also a couple of treewide commits from Masahiro Yamada cleaning up
 const/__initconst for SMP operation structs and a switch to using "depends
 on" instead of if-constructs on most of the Kconfig platform targets.
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Merge tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC cleanups from Olof Johansson:
 "A smallish number of general cleanup commits this release cycle.  Some
  of these are minor tweaks:

   - shmobile change of binding for their GIC (using arm,pl390 now)
   - ARCH_RENESAS introduction
   - Misc other renesas updates

  There's also a couple of treewide commits from Masahiro Yamada
  cleaning up const/__initconst for SMP operation structs and a switch
  to using "depends on" instead of if-constructs on most of the Kconfig
  platform targets"

* tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  staging: board: armadillo800eva: Use "arm,pl390"
  staging: board: kzm9d: Use "arm,pl390"
  ARM: shmobile: r8a7778 dtsi: Use "arm,pl390" for GIC
  ARM: shmobile: emev2 dtsi: Use "arm,pl390" for GIC
  ARM: shmobile: r8a7740 dtsi: Use "arm,pl390" for GIC
  ARM: shmobile: r7s72100 dtsi: Use "arm,pl390" for GIC
  ARM: use "depends on" for SoC configs instead of "if" after prompt
  ARM/clocksource: use automatic DT probing for ux500 PRCMU
  ARM: use const and __initconst for smp_operations
  ARM: hisi: do not export smp_operations structures
  ARM: mvebu: remove unused mach/gpio.h
  ARM: shmobile: Remove legacy mach/irqs.h
  ARM: shmobile: Introduce ARCH_RENESAS
  MAINTAINERS: Remove link to oss.renesas.com which is closed
2016-01-20 17:55:20 -08:00
Olof Johansson
8907dbaa36 Merge branch 'treewide/cleanup' into next/soc
Merge in cleanup to avoid internal conflicts with newly added code.

* treewide/cleanup:
  ARM: use "depends on" for SoC configs instead of "if" after prompt
  ARM/clocksource: use automatic DT probing for ux500 PRCMU
  ARM: use const and __initconst for smp_operations
  ARM: hisi: do not export smp_operations structures

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-12-22 13:10:00 -08:00
Daniel Lezcano
39366ef421 clocksource/drivers/exynos_mct: Fix Kconfig and add COMPILE_TEST option
Let the platform's Kconfig to select the clock instead of having a reverse
dependency from the driver to the platform options.

Add the COMPILE_TEST option for the compilation test coverage. Due to the
non portable 'delay' code, this driver is only compilable on ARM.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Tested-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
2015-12-15 09:41:52 +01:00
Masahiro Yamada
e324654294 ARM: use "depends on" for SoC configs instead of "if" after prompt
Many ARM sub-architectures use prompts followed by "if" conditional,
but it is wrong.

Please notice the difference between

    config ARCH_FOO
            bool "Foo SoCs" if ARCH_MULTI_V7

and

    config ARCH_FOO
            bool "Foo SoCs"
            depends on ARCH_MULTI_V7

These two are *not* equivalent!

In the former statement, it is not ARCH_FOO, but its prompt that
depends on ARCH_MULTI_V7.  So, it is completely valid that ARCH_FOO
is selected by another, but ARCH_MULTI_V7 is still disabled. As it is
not unmet dependency, Kconfig never warns.  This is probably not what
you want.

The former should be used only when you need to do so, and you really
understand what you are doing.  (In most cases, it should be wrong!)

For enabling/disabling sub-architectures, the latter is always correct.

As a good side effect, this commit fixes some entries over 80 columns
(mach-imx, mach-integrator, mach-mbevu).

[Arnd: I note that there is not really a bug here, according to
 the discussion that followed, but I can see value in being consistent
 and in making the lines shorter]

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Patrice Chotard <patrice.chotard@st.com>
Acked-by: Liviu Dudau <Liviu.Dudau@arm.com>
Acked-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Jun Nie <jun.nie@linaro.org>
Acked-by: Matthias Brugger <matthias.bgg@gmail.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Acked-by: Krzysztof Halasa <khc@piap.pl>
Acked-by: Maxime Coquelin <maxime.coquelin@st.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2015-12-01 22:44:51 +01:00
Alim Akhtar
23067d3976 ARM: EXYNOS: Switch to syscon reboot and poweroff
Since we switch to use generic syscon regmap based reset/poweroff
driver for exynos SoC, lets select it from ARCH_EXYNOS instead of
enabling it from various defconfigs. This also select POWER_RESET
as SYSCON-{reset, poweroff} drivers depends on it.

Also because of the above changes we don't need special handling
for reboot/poweroff in exynos pmu driver. This patch also removes
the same from exynos pmu driver to keep git bisect working.

Note: This will break reboot/poweroff on boards with older dtbs
with a newer kernel.

Signed-off-by: Alim Akhtar <alim.akhtar@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
Tested-by: Javier Martinez Canillas <javier@osg.samsung.com>
Tested-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Moritz Fischer <moritz.fischer@ettus.com>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
2015-11-20 16:00:41 +09:00
Linus Torvalds
d71fc239b6 ARM: SoC: late fixes and dependencies
This is a collection of a few late fixes and other misc. stuff that
 had dependencies on things being merged from other trees.
 
 The bulk of the changes are for samsung/exynos SoCs for some changes
 that needed a few minor reworks so ended up a bit late.  The others
 are mainly for qcom SoCs: a couple fixes and some DTS updates.
 
 There's one conflict with drivers/cpufreq/exynos-cpufreq.c because
 it's now been completely removed, but there were some fixes that hit
 mainline in the meantime.
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Merge tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull late ARM SoC updates from Kevin Hilman:
 "This is a collection of a few late fixes and other misc stuff that had
  dependencies on things being merged from other trees.

  The bulk of the changes are for samsung/exynos SoCs for some changes
  that needed a few minor reworks so ended up a bit late.  The others
  are mainly for qcom SoCs: a couple fixes and some DTS updates"

* tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (37 commits)
  ARM: multi_v7_defconfig: Enable PBIAS regulator
  soc: qcom: smd: Correct fBLOCKREADINTR handling
  soc: qcom: smd: Use correct remote processor ID
  soc: qcom: smem: Fix errant private access
  ARM: dts: qcom: msm8974-sony-xperia-honami: Use stdout-path
  ARM: dts: qcom: msm8960-cdp: Use stdout-path
  ARM: dts: qcom: msm8660-surf: Use stdout-path
  ARM: dts: qcom: ipq8064-ap148: Use stdout-path
  ARM: dts: qcom: apq8084-mtp: Use stdout-path
  ARM: dts: qcom: apq8084-ifc6540: Use stdout-path
  ARM: dts: qcom: apq8074-dragonboard: Use stdout-path
  ARM: dts: qcom: apq8064-ifc6410: Use stdout-path
  ARM: dts: qcom: apq8064-cm-qs600: Use stdout-path
  ARM: dts: qcom: Label serial nodes for aliasing and stdout-path
  reset: ath79: Fix missing spin_lock_init
  reset: Add (devm_)reset_control_get stub functions
  ARM: EXYNOS: switch to using generic cpufreq driver for exynos4x12
  cpufreq: exynos: Remove unselectable rule for arm-exynos-cpufreq.o
  ARM: dts: add iommu property to JPEG device for exynos4
  ARM: dts: enable SPI1 for exynos4412-odroidu3
  ...
2015-09-10 17:59:04 -07:00
Bartlomiej Zolnierkiewicz
bdd2648e50 ARM: EXYNOS: switch to using generic cpufreq driver for exynos4x12
The new CPU clock type allows the use of generic CPUfreq driver.
Switch Exynos4x12 to using generic cpufreq driver.

Previously (when exynos-cpufreq driver was used with boost
functionality) ARM_EXYNOS_CPU_FREQ_BOOST_SW config option
(which enabled boost functionality) selected EXYNOS_THERMAL
one. After switching Exynos4x12 platforms to use cpufreq-dt
driver boost support is enabled in the cpufreq-dt driver
itself (because there are turbo OPPs defined in the board's
DTS file). However we still would like to allow enabling
boost support only if thermal support is also enabled for
Exynos platforms. To achieve this make ARCH_EXYNOS config
option select THERMAL and EXYNOS_THERMAL ones.

Please also note that the switch to use the generic cpufreq-dt
driver fixes the minor issue present with the old code (support
for 'boost' mode in the exynos-cpufreq driver was enabled for
all supported SoCs even though 'boost' frequency was provided
only for Exynos4x12 ones).

Cc: Tomasz Figa <tomasz.figa@gmail.com>
Cc: Thomas Abraham <thomas.ab@samsung.com>
Cc: Javier Martinez Canillas <javier@osg.samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Tested-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Tested-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
2015-08-14 03:07:10 +09:00
Kukjin Kim
b93b315d44 ARM: SAMSUNG: make local s5p-dev-mfc in mach-exynos
This patch moves s5p-dev-mfc from plat-samsung into mach-exynos
because it is used for only exynos no other platforms.

Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
2015-07-30 01:49:00 +09:00
Suzuki K. Poulose
ee8e5d5fbe arm-cci: Split the code for PMU vs driver support
This patch separates the PMU driver code from the low level
CCI driver code and enables the PMU driver for ARM64.

Introduces config options for both.

 ARM_CCI400_PORT_CTRL	- controls the low level driver code for
			  CCI400 ports.
 ARM_CCI400_PMU		- controls the PMU driver code
 ARM_CCI400_COMMON	- Common defintions for CCI400

This patch also changes:
 ARM_CCI - common code for probing the CCI devices. This can be
   used for adding support for newer CCI versions(e.g, CCI-500).

Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: Kukjin Kim <kgene@kernel.org>
Cc: Abhilash Kesavan <a.kesavan@samsung.com>
Cc: Liviu Dudau <liviu.dudau@arm.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Sudeep Holla <sudeep.holla@arm.com>
Cc: Nicolas Pitre <nicolas.pitre@linaro.org>
Cc: Punit Agrawal <punit.agrawal@arm.com>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Acked-by: Punit Agrawal <punit.agrawal@arm.com>
Signed-off-by: Suzuki K. Poulose <suzuki.poulose@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
2015-03-27 13:44:43 +00:00
Linus Torvalds
c0f486fde3 More ACPI and power management updates for 3.19-rc1
- Fix a regression in leds-gpio introduced by a recent commit that
    inadvertently changed the name of one of the properties used by
    the driver (Fabio Estevam).
 
  - Fix a regression in the ACPI backlight driver introduced by a
    recent fix that missed one special case that had to be taken
    into account (Aaron Lu).
 
  - Drop the level of some new kernel messages from the ACPI core
    introduced by a recent commit to KERN_DEBUG which they should
    have used from the start and drop some other unuseful KERN_ERR
    messages printed by ACPI (Rafael J Wysocki).
 
  - Revert an incorrect commit modifying the cpupower tool
    (Prarit Bhargava).
 
  - Fix two regressions introduced by recent commits in the OPP
    library and clean up some existing minor issues in that code
    (Viresh Kumar).
 
  - Continue to replace CONFIG_PM_RUNTIME with CONFIG_PM throughout
    the tree (or drop it where that can be done) in order to make
    it possible to eliminate CONFIG_PM_RUNTIME (Rafael J Wysocki,
    Ulf Hansson, Ludovic Desroches).  There will be one more
    "CONFIG_PM_RUNTIME removal" batch after this one, because some
    new uses of it have been introduced during the current merge
    window, but that should be sufficient to finally get rid of it.
 
  - Make the ACPI EC driver more robust against race conditions
    related to GPE handler installation failures (Lv Zheng).
 
  - Prevent the ACPI device PM core code from attempting to
    disable GPEs that it has not enabled which confuses ACPICA
    and makes it report errors unnecessarily (Rafael J Wysocki).
 
  - Add a "force" command line switch to the intel_pstate driver
    to make it possible to override the blacklisting of some
    systems in that driver if needed (Ethan Zhao).
 
  - Improve intel_pstate code documentation and add a MAINTAINERS
    entry for it (Kristen Carlson Accardi).
 
  - Make the ACPI fan driver create cooling device interfaces
    witn names that reflect the IDs of the ACPI device objects
    they are associated with, except for "generic" ACPI fans
    (PNP ID "PNP0C0B").  That's necessary for user space thermal
    management tools to be able to connect the fans with the
    parts of the system they are supposed to be cooling properly.
    From Srinivas Pandruvada.
 
 /
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Merge tag 'pm+acpi-3.19-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

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

  Specifics:

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

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

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

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

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

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

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

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

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

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

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

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

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

* tag 'pm+acpi-3.19-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (32 commits)
  MAINTAINERS: add entry for intel_pstate
  ACPI / video: update the skip case for acpi_video_device_in_dod()
  power / PM: Eliminate CONFIG_PM_RUNTIME
  NFC / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  SCSI / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  ACPI / EC: Fix unexpected ec_remove_handlers() invocations
  Revert "tools: cpupower: fix return checks for sysfs_get_idlestate_count()"
  tracing / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  x86 / PM: Replace CONFIG_PM_RUNTIME in io_apic.c
  PM: Remove the SET_PM_RUNTIME_PM_OPS() macro
  mmc: atmel-mci: use SET_RUNTIME_PM_OPS() macro
  PM / Kconfig: Replace PM_RUNTIME with PM in dependencies
  ARM / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  sound / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  phy / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  video / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  tty / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  spi: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  ACPI / PM: Do not disable wakeup GPEs that have not been enabled
  ACPI / utils: Drop error messages from acpi_evaluate_reference()
  ...
2014-12-18 20:28:33 -08:00
Rafael J. Wysocki
1b3e3aa6c5 PM / Kconfig: Replace PM_RUNTIME with PM in dependencies
After commit b2b49ccbdd (PM: Kconfig: Set PM_RUNTIME if PM_SLEEP is
selected) PM_RUNTIME is always set if PM is set, so Kconfig options
depending on CONFIG_PM_RUNTIME may now be changed to depend on
CONFIG_PM.

Replace PM_RUNTIME with PM in Kconfig dependencies throughout the
tree.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Tejun Heo <tj@kernel.org>
2014-12-13 00:44:04 +01:00
Linus Torvalds
a7cb7bb664 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree update from Jiri Kosina:
 "Usual stuff: documentation updates, printk() fixes, etc"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (24 commits)
  intel_ips: fix a type in error message
  cpufreq: cpufreq-dt: Move newline to end of error message
  ps3rom: fix error return code
  treewide: fix typo in printk and Kconfig
  ARM: dts: bcm63138: change "interupts" to "interrupts"
  Replace mentions of "list_struct" to "list_head"
  kernel: trace: fix printk message
  scsi: mpt2sas: fix ioctl in comment
  zbud, zswap: change module author email
  clocksource: Fix 'clcoksource' typo in comment
  arm: fix wording of "Crotex" in CONFIG_ARCH_EXYNOS3 help
  gpio: msm-v1: make boolean argument more obvious
  usb: Fix typo in usb-serial-simple.c
  PCI: Fix comment typo 'COMFIG_PM_OPS'
  powerpc: Fix comment typo 'CONIFG_8xx'
  powerpc: Fix comment typos 'CONFiG_ALTIVEC'
  clk: st: Spelling s/stucture/structure/
  isci: Spelling s/stucture/structure/
  usb: gadget: zero: Spelling s/infrastucture/infrastructure/
  treewide: Fix company name in module descriptions
  ...
2014-12-12 10:08:06 -08:00
Pankaj Dubey
14fc8b93d4 ARM: EXYNOS: Add platform driver support for Exynos PMU
This patch modifies Exynos Power Management Unit (PMU) initialization
implementation in following way:

- Added platform driver support for Exynos PMU IP.
- Added platform struct exynos_pmu_data to hold platform specific data.
- For each SoC's PMU support now we can add platform data and statically
  bind PMU configuration and SoC specific initialization function.
- Separate each SoC's PMU initialization function and make it as part of
  platform data.
- It also removes uses of soc_is_exynosXYZ().

Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Tested-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2014-11-21 22:49:44 +09:00
Chanwoo Choi
c0adae9e51 ARM: EXYNOS: Add support for exynos4415 SoC
This patch adds support for Exynos4415 SoC. Exynos4415 is based on
the 32-bit RISC processor for Smartphone. Exynos4415 has Cortex A9
quad-cores and has a target speed of 1.6GHz and provides 8.5GB/s
memory bandwidth.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2014-11-21 22:49:43 +09:00
Ian Campbell
52b6a8f7b3 arm: fix wording of "Crotex" in CONFIG_ARCH_EXYNOS3 help
Signed-off-by: Ian Campbell <ijc@hellion.org.uk>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-samsung-soc@vger.kernel.org
Cc: trivial@kernel.org
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2014-10-29 14:47:59 +01:00
Bartlomiej Zolnierkiewicz
0d713cf1a6 ARM: EXYNOS: Fix build with PM_SLEEP=n and ARM_EXYNOS_CPUIDLE=y
Fix building of exynos_defconfig with CONFIG_PM_SLEEP disabled and
CONFIG_ARM_EXYNOS_CPUIDLE enabled by:

* adding EXYNOS_CPU_SUSPEND config option
* always building sleep.o
* building pm.o if EXYNOS_CPU_SUSPEND is enabled
* moving suspend specific code from pm.c to suspend.c
* enabling pm-common.o build also for EXYNOS_CPU_SUSPEND option

[ Please note that there are no changes in the code moved from pm.c
  to suspend.c except making few functions non-static and cleaning
  up includes. ]

Also while at it update Copyright dates.

The build error messages:
drivers/built-in.o: In function `exynos_enter_core0_aftr':
/home/bzolnier/linux/drivers/cpuidle/cpuidle-exynos.c:36: undefined reference to `cpu_suspend'
arch/arm/mach-exynos/built-in.o:(.data+0x74): undefined reference to `exynos_enter_aftr'
make: *** [vmlinux] Error 1

This patch has been tested on Exynos4210 based Origen board.

Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2014-10-21 00:06:36 +09:00
Linus Torvalds
7725131982 ACPI and power management updates for 3.17-rc1
- ACPICA update to upstream version 20140724.  That includes
    ACPI 5.1 material (support for the _CCA and _DSD predefined names,
    changes related to the DMAR and PCCT tables and ARM support among
    other things) and cleanups related to using ACPICA's header files.
    A major part of it is related to acpidump and the core code used
    by that utility.  Changes from Bob Moore, David E Box, Lv Zheng,
    Sascha Wildner, Tomasz Nowicki, Hanjun Guo.
 
  - Radix trees for memory bitmaps used by the hibernation core from
    Joerg Roedel.
 
  - Support for waking up the system from suspend-to-idle (also known
    as the "freeze" sleep state) using ACPI-based PCI wakeup signaling
    (Rafael J Wysocki).
 
  - Fixes for issues related to ACPI button events (Rafael J Wysocki).
 
  - New device ID for an ACPI-enumerated device included into the
    Wildcat Point PCH from Jie Yang.
 
  - ACPI video updates related to backlight handling from Hans de Goede
    and Linus Torvalds.
 
  - Preliminary changes needed to support ACPI on ARM from Hanjun Guo
    and Graeme Gregory.
 
  - ACPI PNP core cleanups from Arjun Sreedharan and Zhang Rui.
 
  - Cleanups related to ACPI_COMPANION() and ACPI_HANDLE() macros
    (Rafael J Wysocki).
 
  - ACPI-based device hotplug cleanups from Wei Yongjun and
    Rafael J Wysocki.
 
  - Cleanups and improvements related to system suspend from
    Lan Tianyu, Randy Dunlap and Rafael J Wysocki.
 
  - ACPI battery cleanup from Wei Yongjun.
 
  - cpufreq core fixes from Viresh Kumar.
 
  - Elimination of a deadband effect from the cpufreq ondemand
    governor and intel_pstate driver cleanups from Stratos Karafotis.
 
  - 350MHz CPU support for the powernow-k6 cpufreq driver from
    Mikulas Patocka.
 
  - Fix for the imx6 cpufreq driver from Anson Huang.
 
  - cpuidle core and governor cleanups from Daniel Lezcano,
    Sandeep Tripathy and Mohammad Merajul Islam Molla.
 
  - Build fix for the big_little cpuidle driver from Sachin Kamat.
 
  - Configuration fix for the Operation Performance Points (OPP)
    framework from Mark Brown.
 
  - APM cleanup from Jean Delvare.
 
  - cpupower utility fixes and cleanups from Peter Senna Tschudin,
    Andrey Utkin, Himangi Saraogi, Rickard Strandqvist, Thomas Renninger.
 
 /
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Merge tag 'pm+acpi-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI and power management updates from Rafael Wysocki:
 "Again, ACPICA leads the pack (47 commits), followed by cpufreq (18
  commits) and system suspend/hibernation (9 commits).

  From the new code perspective, the ACPICA update brings ACPI 5.1 to
  the table, including a new device configuration object called _DSD
  (Device Specific Data) that will hopefully help us to operate device
  properties like Device Trees do (at least to some extent) and changes
  related to supporting ACPI on ARM.

  Apart from that we have hibernation changes making it use radix trees
  to store memory bitmaps which should speed up some operations carried
  out by it quite significantly.  We also have some power management
  changes related to suspend-to-idle (the "freeze" sleep state) support
  and more preliminary changes needed to support ACPI on ARM (outside of
  ACPICA).

  The rest is fixes and cleanups pretty much everywhere.

  Specifics:

   - ACPICA update to upstream version 20140724.  That includes ACPI 5.1
     material (support for the _CCA and _DSD predefined names, changes
     related to the DMAR and PCCT tables and ARM support among other
     things) and cleanups related to using ACPICA's header files.  A
     major part of it is related to acpidump and the core code used by
     that utility.  Changes from Bob Moore, David E Box, Lv Zheng,
     Sascha Wildner, Tomasz Nowicki, Hanjun Guo.

   - Radix trees for memory bitmaps used by the hibernation core from
     Joerg Roedel.

   - Support for waking up the system from suspend-to-idle (also known
     as the "freeze" sleep state) using ACPI-based PCI wakeup signaling
     (Rafael J Wysocki).

   - Fixes for issues related to ACPI button events (Rafael J Wysocki).

   - New device ID for an ACPI-enumerated device included into the
     Wildcat Point PCH from Jie Yang.

   - ACPI video updates related to backlight handling from Hans de Goede
     and Linus Torvalds.

   - Preliminary changes needed to support ACPI on ARM from Hanjun Guo
     and Graeme Gregory.

   - ACPI PNP core cleanups from Arjun Sreedharan and Zhang Rui.

   - Cleanups related to ACPI_COMPANION() and ACPI_HANDLE() macros
     (Rafael J Wysocki).

   - ACPI-based device hotplug cleanups from Wei Yongjun and Rafael J
     Wysocki.

   - Cleanups and improvements related to system suspend from Lan
     Tianyu, Randy Dunlap and Rafael J Wysocki.

   - ACPI battery cleanup from Wei Yongjun.

   - cpufreq core fixes from Viresh Kumar.

   - Elimination of a deadband effect from the cpufreq ondemand governor
     and intel_pstate driver cleanups from Stratos Karafotis.

   - 350MHz CPU support for the powernow-k6 cpufreq driver from Mikulas
     Patocka.

   - Fix for the imx6 cpufreq driver from Anson Huang.

   - cpuidle core and governor cleanups from Daniel Lezcano, Sandeep
     Tripathy and Mohammad Merajul Islam Molla.

   - Build fix for the big_little cpuidle driver from Sachin Kamat.

   - Configuration fix for the Operation Performance Points (OPP)
     framework from Mark Brown.

   - APM cleanup from Jean Delvare.

   - cpupower utility fixes and cleanups from Peter Senna Tschudin,
     Andrey Utkin, Himangi Saraogi, Rickard Strandqvist, Thomas
     Renninger"

* tag 'pm+acpi-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (118 commits)
  ACPI / LPSS: add LPSS device for Wildcat Point PCH
  ACPI / PNP: Replace faulty is_hex_digit() by isxdigit()
  ACPICA: Update version to 20140724.
  ACPICA: ACPI 5.1: Update for PCCT table changes.
  ACPICA/ARM: ACPI 5.1: Update for GTDT table changes.
  ACPICA/ARM: ACPI 5.1: Update for MADT changes.
  ACPICA/ARM: ACPI 5.1: Update for FADT changes.
  ACPICA: ACPI 5.1: Support for the _CCA predifined name.
  ACPICA: ACPI 5.1: New notify value for System Affinity Update.
  ACPICA: ACPI 5.1: Support for the _DSD predefined name.
  ACPICA: Debug object: Add current value of Timer() to debug line prefix.
  ACPICA: acpihelp: Add UUID support, restructure some existing files.
  ACPICA: Utilities: Fix local printf issue.
  ACPICA: Tables: Update for DMAR table changes.
  ACPICA: Remove some extraneous printf arguments.
  ACPICA: Update for comments/formatting. No functional changes.
  ACPICA: Disassembler: Add support for the ToUUID opererator (macro).
  ACPICA: Remove a redundant cast to acpi_size for ACPI_OFFSET() macro.
  ACPICA: Work around an ancient GCC bug.
  ACPI / processor: Make it possible to get local x2apic id via _MAT
  ...
2014-08-06 20:34:19 -07:00
Mark Brown
78c5e0bb14 PM / OPP: Remove ARCH_HAS_OPP
Since the OPP layer is a kernel library which has been converted to be
directly selectable by its callers rather than user selectable and
requiring architectures to enable it explicitly the ARCH_HAS_OPP symbol
has become redundant and can be removed. Do so.

Signed-off-by: Mark Brown <broonie@linaro.org>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Nishanth Menon <nm@ti.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Shawn Guo <shawn.guo@freescale.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-07-23 00:51:30 +02:00
Krzysztof Kozlowski
ee2593ef56 ARM: 8099/1: EXYNOS: Fix MCPM build with SUSPEND=n
Building of EXYNOS5420_MCPM with disabled SUSPEND fails:
arch/arm/mach-exynos/built-in.o: In function `exynos_mcpm_init':
arch/arm/mach-exynos/mcpm-exynos.c:361: undefined reference to `mcpm_loopback'

The exynos_mcpm_init() in mcp-exynos.c calls mcpm_loopback() which
depends on cpu_suspend function (ARM_CPU_SUSPEND).

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-07-18 12:29:00 +01:00
Rob Herring
21278aeafb ARM: use menuconfig for sub-arch menus
The System Type menu is getting quite long with platforms and is
inconsistent in handling of sub-arch specific options. Tidy up the menu
by making platform options a menuconfig entry containing any platform
specific config items.

[arnd: change OMAP part according to suggestion from
 Tony Lindgren <tony@atomide.com>]

Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-06-17 17:09:48 +02:00
Stephen Boyd
19682f72f5 ARM: Remove ARCH_HAS_CPUFREQ config option
This config exists entirely to hide the cpufreq menu from the
kernel configuration unless a platform has selected it. Nothing
is actually built if this config is 'Y' and it just leads to more
patches that add a select under a platform Kconfig so that some
other CPUfreq option can be chosen. Let's remove the option so
that we can always enable CPUfreq drivers on ARM platforms.

Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-06-17 17:09:39 +02:00
Olof Johansson
fe388fac0f Samsung Exynos updates for 3.16
- add new SoCs support
   : exynos3250, 5260, 5410 and 5800
 
 - enable multi-platform on exynos
   : consolidate exynos related Kconfig entries
 
 Note that this requires tags/samsung-cleanup and tags/samsung-clk-2
 because of mostly migration exynos specific macros into mach-exynos
 and exynos related Kconfig entries.
 
 One more merge conflict happens in arch/arm/Kconfig for ARCH_EXYNOS
 due to SRAM stuff, even though tried to sort them out. Since just
 resolving it would be better I think, please remove ARCH_EXYNOS in
 arch/arm/Kconfig when merge conflict happens.
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Merge tag 'samsung-exynos' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/soc

Samsung Exynos updates for 3.16

- add new SoCs support
  : exynos3250, 5260, 5410 and 5800

- enable multi-platform on exynos
  : consolidate exynos related Kconfig entries

* tag 'samsung-exynos' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: (22 commits)
  ARM: EXYNOS: Enable multi-platform build support
  ARM: EXYNOS: Consolidate Kconfig entries
  ARM: EXYNOS: Add support for EXYNOS5410 SoC
  ARM: EXYNOS: Support secondary CPU boot of Exynos3250
  ARM: EXYNOS: Add Exynos3250 SoC ID
  ARM: EXYNOS: Add 5800 SoC support
  ARM: EXYNOS: initial board support for exynos5260 SoC
  cpufreq: exynos: Fix the compile error
  ARM: S3C24XX: move debug-macro.S into the common space
  ARM: S3C24XX: use generic DEBUG_UART_PHY/_VIRT in debug macro
  ARM: S3C24XX: trim down debug uart handling
  ARM: compressed/head.S: remove s3c24xx special case
  ARM: EXYNOS: Remove unnecessary inclusion of cpu.h
  ARM: EXYNOS: Migrate Exynos specific macros from plat to mach
  ARM: EXYNOS: Remove exynos_subsys registration
  ARM: EXYNOS: Remove duplicate lines in Makefile
  ARM: EXYNOS: use v7_exit_coherency_flush macro for cache disabling
  ARM: dts: Remove g2d_pd node for exynos5420
  ARM: dts: Remove mau_pd node for exynos5420
  ARM: exynos_defconfig: enable HS-I2C to fix for mmc partition mount
  ...

Signed-off-by: Olof Johansson <olof@lixom.net>
2014-05-30 21:44:49 -07:00
Arnd Bergmann
9dfa92ec40 ARM: EXYNOS: Enable multi-platform build support
This makes it possible to enable the Exynos platform as part of a
multiplatform kernel.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2014-05-31 02:43:51 +09:00
Sachin Kamat
9a1013285f ARM: EXYNOS: Consolidate Kconfig entries
Instead of repeating the Kconfig entries for every SoC,
move them under ARCH_EXYNOS3, 4 and 5 and move the entries
common to 3, 4 and 5 under ARCH_EXYNOS.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2014-05-31 02:43:50 +09:00
Tarek Dakhran
723c9c7e16 ARM: EXYNOS: Add support for EXYNOS5410 SoC
EXYNOS5410 is SoC in Samsung's Exynos5 SoC series.
Add initial support for this SoC.

Signed-off-by: Tarek Dakhran <t.dakhran@samsung.com>
Signed-off-by: Vyacheslav Tyrtov <v.tyrtov@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2014-05-31 02:43:49 +09:00
Chanwoo Choi
940bc58de5 ARM: EXYNOS: Add Exynos3250 SoC ID
This patch add Exynos3250's SoC ID. Exynos 3250 is SoC that
is based on the 32-bit RISC processor for Smartphone.
Exynos3250 uses Cortex-A7 dual cores and has a target speed
of 1.0GHz.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2014-05-31 02:37:23 +09:00
Arun Kumar K
86c6f1488d ARM: EXYNOS: Add 5800 SoC support
Exynos5800 is an octa core SoC which is based on the 5420
platform. This patch adds the basic support for it in the
mach-exynos.

Signed-off-by: Arun Kumar K <arun.kk@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2014-05-31 02:37:16 +09:00
Pankaj Dubey
ed08f10397 ARM: EXYNOS: initial board support for exynos5260 SoC
This patch add basic arch side support for exynos5260 SoC.
Note that this is required to enable build for clock driver.

Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2014-05-31 02:37:09 +09:00
Abhilash Kesavan
ccf5511797 ARM: EXYNOS: Add MCPM call-back functions
Add machine-dependent MCPM call-backs for Exynos5420. These are used
to power up/down the secondary CPUs during boot, shutdown, s2r and
switching.

Signed-off-by: Thomas Abraham <thomas.ab@samsung.com>
Signed-off-by: Inderpal Singh <inderpal.s@samsung.com>
Signed-off-by: Andrew Bresticker <abrestic@chromium.org>
Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Reviewed-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2014-05-16 04:26:30 +09:00
Linus Torvalds
2bf73dd61a ARM: SoC: late cleanups
These could not be part of the first cleanup branch, because they either
 came too late in the cycle, or they have dependencies on other branches.
 Important changes are:
 
 * The integrator platform is almost multiplatform capable after
   some reorganization (Linus Walleij)
 * Minor cleanups on Zynq (Michal Simek)
 * Lots of changes for Exynos and other Samsung platforms, including
   further preparations for multiplatform support and the clocks bindings
   are rearranged.
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Merge tag 'tags/cleanup2-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC late cleanups from Arnd Bergmann:
 "These could not be part of the first cleanup branch, because they
  either came too late in the cycle, or they have dependencies on other
  branches.  Important changes are:

   - The integrator platform is almost multiplatform capable after some
     reorganization (Linus Walleij)
   - Minor cleanups on Zynq (Michal Simek)
   - Lots of changes for Exynos and other Samsung platforms, including
     further preparations for multiplatform support and the clocks
     bindings are rearranged"

* tag 'tags/cleanup2-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (54 commits)
  devicetree: fix newly added exynos sata bindings
  ARM: EXYNOS: Fix compilation error in cpuidle.c
  ARM: S5P64X0: Explicitly include linux/serial_s3c.h in mach/pm-core.h
  ARM: EXYNOS: Remove hardware.h file
  ARM: SAMSUNG: Remove hardware.h inclusion
  ARM: S3C24XX: Remove invalid code from hardware.h
  dt-bindings: clock: Move exynos-audss-clk.h to dt-bindings/clock
  ARM: dts: Keep some essential LDOs enabled for arndale-octa board
  ARM: dts: Disable MDMA1 node for arndale-octa board
  ARM: S3C64XX: Fix build for implicit serial_s3c.h inclusion
  serial: s3c: Fix build of header without serial_core.h preinclusion
  ARM: EXYNOS: Allow wake-up using GIC interrupts
  ARM: EXYNOS: Stop using legacy Samsung PM code
  ARM: EXYNOS: Remove PM initcalls and useless indirection
  ARM: EXYNOS: Fix abuse of CONFIG_PM
  ARM: SAMSUNG: Move s3c_pm_check_* prototypes to plat/pm-common.h
  ARM: SAMSUNG: Move common save/restore helpers to separate file
  ARM: SAMSUNG: Move Samsung PM debug code into separate file
  ARM: SAMSUNG: Consolidate PM debug functions
  ARM: SAMSUNG: Use debug_ll_addr() to get UART base address
  ...
2014-04-05 15:46:37 -07:00
Tomasz Figa
d710aa3187 ARM: EXYNOS: Stop using legacy Samsung PM code
Since Exynos SoCs does not follow most of the semantics of older SoCs
when configuring the system to enter sleep, there is no reason to rely
on the legacy Samsung PM core anymore.

This patch adds local Exynos suspend ops and removes all the code left
unnecessary. As a side effect, suspend support on Exynos becomes
multiplatform-friendly.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2014-03-21 04:09:28 +09:00
Tomasz Figa
dbc5ca163d ARM: EXYNOS: Fix abuse of CONFIG_PM
CONFIG_PM means that at least one of CONFIG_PM_SLEEP and
CONFIG_PM_RUNTIME is enabled, while multiple entries in
mach-exynos/Kconfig abused it to enable sleep- and runtime-specific
functionality.

This patch fixes this abuse by replacing dependencies on CONFIG_PM with
appropriate dependencies on either CONFIG_PM_SLEEP or CONFIG_PM_RUNTIME,
whichever is appropriate.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2014-03-21 04:09:26 +09:00
Paul Bolle
f6723b569a usb: host: remove selects of USB_ARCH_HAS_?HCI
USB_ARCH_HAS_EHCI, USB_ARCH_HAS_OHCI, and USB_ARCH_HAS_XHCI were just
removed. Selecting them is a nop. The select statements for these
symbols can be removed too.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-02-18 12:36:38 -08:00
Sylwester Nawrocki
2628288403 ARM: EXYNOS: Consolidate selection of PM_GENERIC_DOMAINS for Exynos4
Instead of repeating "select PM_GENERIC_DOMAINS" for all Exynos4
variants add relevant entry in the Kconfig section common to the
SoC series.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-12-21 06:40:36 +09:00
Bartlomiej Zolnierkiewicz
ae3c5d74ea ARM: EXYNOS: remove CONFIG_MACH_EXYNOS[4, 5]_DT config options
EXYNOS is now Device Tree (DT) only platform so it makes no sense to have
config options responsible for enabling platform specific DT support.

Moreover the kernel image won't even link if neither CONFIG_MACH_EXYNOS4_DT
nor CONFIG_MACH_EXYNOS5_DT config option is enabled (linker fails with "no
machine record defined" error).

Remove CONFIG_MACH_EXYNOS[4,5]_DT config options and just use the standard
CONFIG_ARCH_EXYNOS[4,5] ones instead.

Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-10-21 06:35:47 +09:00
Olof Johansson
d6a99de704 update mach-exynos v2 for v3.12
- enable ARCH_HAS_BANDGAP for exynos SoCs
 - always enable PM domains for exynos4x12
 - skip C1 cpuidle state for exynos5440
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Merge tag 'samsung-mach-exynos-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into late/all

update mach-exynos v2 for v3.12
- enable ARCH_HAS_BANDGAP for exynos SoCs
- always enable PM domains for exynos4x12
- skip C1 cpuidle state for exynos5440

* tag 'samsung-mach-exynos-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: EXYNOS: Skip C1 cpuidle state for exynos5440
  ARM: EXYNOS: always enable PM domains support for EXYNOS4X12
  ARM: EXYNOS: enable ARCH_HAS_BANDGAP

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-08-29 13:29:35 -07:00
Bartlomiej Zolnierkiewicz
08e594fc12 ARM: EXYNOS: always enable PM domains support for EXYNOS4X12
Currently PM domains support will be enabled for EXYNOS4X12 SoCs
only if EXYNOS4210 SoC or EXYNOS5250 SoC support is also enabled.

Fix it by explicitly selecting PM domains support (if PM support
is enabled) by SOC_EXYNOS4212 and SOC_EXYNOS4412 config options.

Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-08-28 00:48:15 +09:00