Commit Graph

868 Commits

Author SHA1 Message Date
Linus Torvalds dfd10e7ae6 ARM: SoC platform changes for 3.14
New core SoC-specific changes.
 
 New platforms:
 * Introduction of a vendor, Hisilicon, and one of their SoCs with some
   random numerical product name.
 * Introduction of EFM32, embedded platform from Silicon Labs (ARMv7m, i.e. !MMU).
 * Marvell Berlin series of SoCs, which include the one in Chromecast.
 * MOXA platform support, ARM9-based platform used mostly in industrial products
 * Support for Freescale's i.MX50 SoC.
 
 Other work:
 * Renesas work for new platforms and drivers, and conversion over to
   more multiplatform-friendly device registration schemes.
 * SMP support for Allwinner sunxi platforms.
 * ... plus a bunch of other stuff across various platforms.
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Merge tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform changes from Olof Johansson:
 "New core SoC-specific changes.

  New platforms:
   * Introduction of a vendor, Hisilicon, and one of their SoCs with
     some random numerical product name.
   * Introduction of EFM32, embedded platform from Silicon Labs (ARMv7m,
     i.e. !MMU).
   * Marvell Berlin series of SoCs, which include the one in Chromecast.
   * MOXA platform support, ARM9-based platform used mostly in
     industrial products
   * Support for Freescale's i.MX50 SoC.

  Other work:
   * Renesas work for new platforms and drivers, and conversion over to
     more multiplatform-friendly device registration schemes.
   * SMP support for Allwinner sunxi platforms.
   * ... plus a bunch of other stuff across various platforms"

* tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (201 commits)
  ARM: tegra: fix tegra_powergate_sequence_power_up() inline
  ARM: msm_defconfig: Update for multi-platform
  ARM: msm: Move MSM's DT based hardware to multi-platform support
  ARM: msm: Only build timer.c if required
  ARM: msm: Only build clock.c on proc_comm based platforms
  ARM: ux500: Enable system suspend with WFI support
  ARM: ux500: turn on PRINTK_TIME in u8500_defconfig
  ARM: shmobile: r8a7790: Fix I2C controller names
  ARM: msm: Simplify ARCH_MSM_DT config
  ARM: msm: Add support for MSM8974 SoC
  ARM: sunxi: select ARM_PSCI
  MAINTAINERS: Update Allwinner sunXi maintainer files
  ARM: sunxi: Select RESET_CONTROLLER
  ARM: imx: improve the comment of CCM lpm SW workaround
  ARM: imx: improve status check of clock gate
  ARM: imx: add necessary interface for pfd
  ARM: imx_v6_v7_defconfig: Select CONFIG_REGULATOR_PFUZE100
  ARM: imx_v6_v7_defconfig: Select MX35 and MX50 device tree support
  ARM: imx: Add cpu frequency scaling support
  ARM i.MX35: Add devicetree support.
  ...
2014-01-23 18:40:49 -08:00
Linus Torvalds f2c73464d7 ARM: SoC cleanups for 3.14
This is the branch where we usually queue up cleanup efforts, moving
 drivers out of the architecture directory, header file restructuring,
 etc. Sometimes they tangle with new development so it's hard to keep it
 strictly to cleanups.
 
 Some of the things included in this branch are:
 
 * Atmel SAMA5 conversion to common clock
 * Reset framework conversion for tegra platforms
  - Some of this depends on tegra clock driver reworks that are shared with Mike
    Turquette's clk tree.
 * Tegra DMA refactoring, which are shared branches with the DMA tree.
 * Removal of some header files on exynos to prepare for multiplatform
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Merge tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC cleanups from Olof Johansson:
 "This is the branch where we usually queue up cleanup efforts, moving
  drivers out of the architecture directory, header file restructuring,
  etc.  Sometimes they tangle with new development so it's hard to keep
  it strictly to cleanups.

  Some of the things included in this branch are:

   * Atmel SAMA5 conversion to common clock
   * Reset framework conversion for tegra platforms
    - Some of this depends on tegra clock driver reworks that are shared
      with Mike Turquette's clk tree.
   * Tegra DMA refactoring, which are shared branches with the DMA tree.
   * Removal of some header files on exynos to prepare for
     multiplatform"

* tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (169 commits)
  ARM: mvebu: move Armada 370/XP specific definitions to armada-370-xp.h
  ARM: mvebu: remove prototypes of non-existing functions from common.h
  ARM: mvebu: move ARMADA_XP_MAX_CPUS to armada-370-xp.h
  serial: sh-sci: Rework baud rate calculation
  serial: sh-sci: Compute overrun_bit without using baud rate algo
  serial: sh-sci: Remove unused GPIO request code
  serial: sh-sci: Move overrun_bit and error_mask fields out of pdata
  serial: sh-sci: Support resources passed through platform resources
  serial: sh-sci: Don't check IRQ in verify port operation
  serial: sh-sci: Set the UPF_FIXED_PORT flag
  serial: sh-sci: Remove duplicate interrupt check in verify port op
  serial: sh-sci: Simplify baud rate calculation algorithms
  serial: sh-sci: Remove baud rate calculation algorithm 5
  serial: sh-sci: Sort headers alphabetically
  ARM: EXYNOS: Kill exynos_pm_late_initcall()
  ARM: EXYNOS: Consolidate selection of PM_GENERIC_DOMAINS for Exynos4
  ARM: at91: switch Calao QIL-A9260 board to DT
  clk: at91: fix pmc_clk_ids data type attriubte
  PM / devfreq: use inclusion <mach/map.h> instead of <plat/map-s5p.h>
  ARM: EXYNOS: remove <mach/regs-clock.h> for exynos
  ...
2014-01-23 18:36:55 -08:00
Linus Torvalds 93abdb7785 ARM: SoC non-critical fixes for 3.14
As usual, we have a batch of fixes that weren't considered significant
 enough to warrant going into the later -rcs for previous release, so
 they are queued up on this branch.
 
 A handful of these are for various DT fixups for Samsung platforms,
 and a handful of other minor things.
 
 There are also a couple of stable-marked patches for mvebu -- they came in
 quite late and we decided to keep them deferred until the first -stable
 release to get more coverage instead of squeezing them into 3.13.
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Merge tag 'fixes-nc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC non-critical fixes from Olof Johansson:
 "As usual, we have a batch of fixes that weren't considered significant
  enough to warrant going into the later -rcs for previous release, so
  they are queued up on this branch.

  A handful of these are for various DT fixups for Samsung platforms,
  and a handful of other minor things.

  There are also a couple of stable-marked patches for mvebu -- they
  came in quite late and we decided to keep them deferred until the
  first -stable release to get more coverage instead of squeezing them
  into 3.13"

* tag 'fixes-nc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (32 commits)
  ARM: at91: smc: bug fix in sam9_smc_cs_read()
  i2c: mv64xxx: Document the newly introduced Armada XP A0 compatible
  i2c: mv64xxx: Fix bus hang on A0 version of the Armada XP SoCs
  ARM: mvebu: Add quirk for i2c for the OpenBlocks AX3-4 board
  ARM: mvebu: Add support to get the ID and the revision of a SoC
  ARM: dts: msm: Fix gpio interrupt and reg length
  irqchip: sirf: set IRQ_LEVEL status_flags
  ARM: OMAP2+: gpmc: Move legacy GPMC width setting
  ARM: OMAP2+: gpmc: Introduce gpmc_set_legacy()
  ARM: OMAP2+: gpmc: Move initialization outside the gpmc_t condition
  ARM: OMAP2+: board-generic: update SoC compatibility strings
  Documentation: dt: OMAP: explicitly state SoC compatible strings
  ARM: OMAP2+: enable AM33xx SOC EVM audio
  ARM: OMAP2+: Select USB PHY for AM335x SoC
  ARM: bcm2835: Fix grammar in help message
  ARM: msm: trout: fix uninit var warning
  ARM: dts: Use MSHC controller for eMMC memory for exynos4412-trats2
  ARM: dts: Fix definition of MSHC device tree nodes for exynos4x12
  ARM: dts: add clock provider for mshc node for Exynos4412 SOC
  clk: samsung: exynos4: Fix definition of div_mmc_pre4 divider
  ...
2014-01-23 18:36:01 -08:00
Linus Torvalds f341535193 Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm
Pull ARM updates from Russell King:
 "In this set, we have:
   - Refactoring of some of the old StrongARM-1100 GPIO code to make
     things simpler by Dmitry Eremin-Solenikov
   - Read-only and non-executable support for modules on ARM from Laura
     Abbot
   - Removal of unnecessary set_drvdata() calls in AMBA code
   - Some non-executable support for kernel lowmem mappings at the 1MB
     section granularity, and dumping of kernel page tables via debugfs
   - Some improvements for the timer/clock code on Footbridge platforms,
     and cleanup some of the LED code there
   - Fix fls/ffs() signatures to match x86 to prevent build warnings,
     particularly where these are used with min/max() macros
   - Avoid using the bootmem allocator on ARM (patches from Santosh
     Shilimkar)
   - Various asid/unaligned access updates from Will Deacon"

* 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: (51 commits)
  ARM: SMP implementations are not supposed to return from smp_ops.cpu_die()
  ARM: ignore memory below PHYS_OFFSET
  Fix select-induced Kconfig warning for ZBOOT_ROM
  ARM: fix ffs/fls implementations to match x86
  ARM: 7935/1: sa1100: collie: add gpio-keys configuration
  ARM: 7932/1: bcm: Add DEBUG_LL console support
  ARM: 7929/1: Remove duplicate SCHED_HRTICK config option
  ARM: 7928/1: kconfig: select HAVE_EFFICIENT_UNALIGNED_ACCESS for CPUv6+ && MMU
  ARM: 7927/1: dcache: select DCACHE_WORD_ACCESS for big-endian CPUs
  ARM: 7926/1: mm: flesh out and fix the comments in the ASID allocator
  ARM: 7925/1: mm: keep track of last ASID allocation to improve bitmap searching
  ARM: 7924/1: mm: don't bother with reserved ttbr0 when running with LPAE
  ARM: PCI: add legacy IDE IRQ implementation
  ARM: footbridge: cleanup LEDs code
  ARM: pgd allocation: retry on failure
  ARM: footbridge: add one-shot mode for DC21285 timer
  ARM: footbridge: add sched_clock implementation
  ARM: 7922/1: l2x0: add Marvell Tauros3 support
  ARM: 7877/1: use built-in byte swap function
  ARM: 7921/1: mcpm: remove redundant dsb instructions prior to sev
  ...
2014-01-23 18:34:03 -08:00
Russell King 6f14d778c1 Merge branches 'amba', 'fixes', 'kees', 'misc' and 'unstable/sa11x0' into for-next 2014-01-21 21:26:33 +00:00
Kevin Hilman 273c2279ca Second cleanup pull-request for 3.14:
- a tiny fix for the recent AT91 CCF implementation
 - the switch of one platform to DT with board file removal
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Merge tag 'at91-cleanup2' of git://github.com/at91linux/linux-at91 into next/cleanup

From Nicolas Ferre:
Second cleanup pull-request for 3.14:
- a tiny fix for the recent AT91 CCF implementation
- the switch of one platform to DT with board file removal

* tag 'at91-cleanup2' of git://github.com/at91linux/linux-at91:
  ARM: at91: switch Calao QIL-A9260 board to DT
  clk: at91: fix pmc_clk_ids data type attriubte

Signed-off-by: Kevin Hilman <khilman@linaro.org>
2014-01-14 15:41:57 -08:00
Jean-Jacques Hiblot 1588c51cf6 ARM: at91: smc: bug fix in sam9_smc_cs_read()
There was a copy/paste error when reading the nwe_pulse value.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@traphandler.com>
Acked-by: Boris BREZILLON <b.brezillon@overkiz.com>
Cc: stable <stable@vger.kernel.org> # 3.3
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
2014-01-14 10:15:55 -08:00
Olof Johansson 509633c836 Linux 3.13-rc4
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Merge tag 'v3.13-rc4' into next/cleanup

Linux 3.13-rc4
2013-12-26 10:31:33 -08:00
Kevin Hilman 490b929d42 Merge branch 'efm32/soc' into next/soc
From Uwe Kleine-König:
* efm32/soc: (1003 commits)
  ARM: device trees for Energy Micro's EFM32 Cortex-M3 SoCs
  ARM: new platform for Energy Micro's EFM32 Cortex-M3 SoCs
  +Linux 3.13-rc4

Signed-off-by: Kevin Hilman <khilman@linaro.org>
2013-12-20 08:59:30 -08:00
Jean-Christophe PLAGNIOL-VILLARD e91a5555df ARM: at91: switch Calao QIL-A9260 board to DT
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
[nicolas.ferre@atmel.com: typo, nodes in address ascending order, shrink cmdline]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-12-19 17:27:30 +01:00
Jiri Kosina e23c34bb41 Merge branch 'master' into for-next
Sync with Linus' tree to be able to apply fixes on top of newer things
in tree (efi-stub).

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2013-12-19 15:08:32 +01:00
Nicolas Ferre 8330148011 ARM: at91: remove AT91_PROGRAMMABLE_CLOCKS configuration option
This AT91 specific Kconfig option removed the code that dealt with
programmable clocks. Each AT91 SoC embeds programmable clocks and
there is little gain to remove this code in case that such a clock
is not used.
If this option is not selected, it causes certain drivers to fail
to build. We simply remove this option instead of adding code just
to build a workaround.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
2013-12-12 09:57:42 -08:00
Yanis Moreno bc34eb53ab ARM: at91: remove redundant dependency
This removes the "depends on SOC_SAM_V7" statement
in a Kconfig section that's under an "if SOC_SAM_V7"
condition (same parameter).

Signed-off-by: Yanis Moreno <yanis.moreno63@gmail.com>
Reviewed-by: Michael Opdenacker <michael.opdenacker@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-12-11 16:23:10 -08:00
Russell King 2e2c9de207 ARM: add permission annotations to MT_MEMORY* mapping types
Document the permissions which the various MT_MEMORY* mapping types
will provide.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-12-11 09:53:14 +00:00
Josh Wu 7f457160da ARM: at91: sama5d3: add support for sama5d36 chip
The SAMA5D36 chip is the superset product of SAMA5D3x family.

For detail information please refer to:
  http://www.atmel.com/Microsite/sama5d3/default.aspx

Signed-off-by: Josh Wu <josh.wu@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
2013-12-10 09:56:14 -08:00
Olof Johansson 94c5216ee9 AT91: Move to Common Clock Framework and sama5d3 implementation
This is the first step to move AT91 to the CCF.
 - core CCF and drivers for most of the clocks
 - use of CCF for sama5d3 (100% DT-based)
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Merge tag 'at91-cleanup' of git://github.com/at91linux/linux-at91 into next/cleanup

From Nicolas Ferre:
AT91: Move to Common Clock Framework and sama5d3 implementation
This is the first step to move AT91 to the CCF.
- core CCF and drivers for most of the clocks
- use of CCF for sama5d3 (100% DT-based)

* tag 'at91-cleanup' of git://github.com/at91linux/linux-at91: (22 commits)
  ARM: at91/dt: remove old clk material
  ARM: at91: move sama5d3 SoC to common clk
  ARM: at91/dt: define sama5d3xek's main clk frequency
  ARM: at91/dt: define sama5d3 clocks
  ARM: at91: prepare common clk transition for sama5d3 SoC
  ARM: at91: prepare sama5 dt boards transition to common clk
  ARM: at91: add new compatible strings for pmc driver
  ARM: at91: move pit timer to common clk framework
  dt: binding: add at91 clks dt bindings documentation
  clk: at91: add PMC smd clock
  clk: at91: add PMC usb clock
  clk: at91: add PMC utmi clock
  clk: at91: add PMC programmable clocks
  clk: at91: add PMC peripheral clocks
  clk: at91: add PMC system clocks
  clk: at91: add PMC master clock
  clk: at91: add PMC pll clocks
  clk: at91: add PMC main clock
  clk: at91: add PMC macro file for dt definitions
  clk: at91: add PMC base support
  ...

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-12-04 13:50:33 -08:00
Linus Torvalds 36059ee2ba ARM: SoC fixes for 3.13-rc
Another batch of fixes for ARM SoCs for 3.13. The diffstat is large,
 mostly because of:
 
 - Another set of fixes to fix regressions caused by moving OMAP from board
   files to DT. Tony thinks this was the last major set of fixes, with
   maybe just a few small patches to follow.
 - More fixes for Marvell platforms, most dealing with misdescribed PCIe
   hardware, i.e. incorrect number of busses on some SoCs, etc. The line
   delta adds up due to various ranges moving around when this is fixed.
 
 But there's also:
 
 - Some smaller tweaks to defconfigs to make more boards bootable in my
   test setup for better coverage.
 - There are also a few other smaller fixes, a short series for at91, a couple
   of reverts for ux500, etc.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "Another batch of fixes for ARM SoCs for 3.13.  The diffstat is large,
  mostly because of:

   - Another set of fixes to fix regressions caused by moving OMAP from
     board files to DT.  Tony thinks this was the last major set of
     fixes, with maybe just a few small patches to follow.
   - More fixes for Marvell platforms, most dealing with misdescribed
     PCIe hardware, i.e.  incorrect number of busses on some SoCs, etc.
     The line delta adds up due to various ranges moving around when
     this is fixed.

  But there's also:

   - Some smaller tweaks to defconfigs to make more boards bootable in
     my test setup for better coverage.
   - There are also a few other smaller fixes, a short series for at91,
     a couple of reverts for ux500, etc"

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (39 commits)
  arm: dts: socfpga: Change some clocks of gate-clk type to perip-clk
  arm: socfpga: Enable ARM_TWD for socfpga
  ARM: multi_v7_defconfig: enable SDHCI_BCM_KONA and MMC_BLOCK_MINORS=16
  ARM: sunxi_defconfig: enable NFS, TMPFS, PRINTK_TIME and nfsroot support
  ARM: multi_v7_defconfig: enable network for BeagleBone Black
  ARM: dts: Fix the name of supplies for smsc911x shared by OMAP
  ARM: OMAP2+: Powerdomain: Fix unchecked dereference of arch_pwrdm
  ARM: dts: omap3-beagle: Add omap-twl4030 audio support
  ARM: dts: omap4-sdp: Fix pin muxing for wl12xx
  ARM: dts: omap4-panda-common: Fix pin muxing for wl12xx
  ARM: at91: fixed unresolved symbol "at91_pm_set_standby" when built without CONFIG_PM
  ARM: at91: add usart3 alias to dtsi
  ARM: at91: sama5d3: reduce TWI internal clock frequency
  mmc: omap: Fix I2C dependency and make driver usable with device tree
  mmc: omap: Fix DMA configuration to not rely on device id
  ARM: dts: omap3-beagle: Fix USB host on beagle boards (for 3.13)
  ARM: dts: omap3-igep0020: name twl4030 VPLL2 regulator as vdds_dsi
  ARM: dts: AM33XX IGEP0033: add USB support
  ARM: dts: AM33XX BASE0033: add 32KBit EEPROM support
  ARM: dts: AM33XX BASE0033: add pinmux and user led support
  ...
2013-12-04 08:56:18 -08:00
Boris BREZILLON b46e837d8e ARM: at91/dt: remove old clk material
This patch removes the old main clk node which is now useless as sama5d3
SoCs and boards are no longer compatible with the old at91 clk
implementations.

It also remove old clock definitions (clock definitions using at91 old clk
framework).

Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-12-02 15:31:29 +01:00
Boris BREZILLON 8ab033112a ARM: at91: move sama5d3 SoC to common clk
This patch removes the selection of AT91_USE_OLD_CLK when selecting sama5d3
SoC support. This will enable automatically enable COMMON_CLK_AT91 option
and add support for at91 common clk implementation.

Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-12-02 15:31:29 +01:00
Boris BREZILLON d1ff230022 ARM: at91: prepare common clk transition for sama5d3 SoC
This patch encloses sama5d3 old clk registration in
"#if defined(CONFIG_OLD_CLK_AT91) #endif" sections.

Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-12-02 15:31:28 +01:00
Boris BREZILLON d4d24c1b4f ARM: at91: prepare sama5 dt boards transition to common clk
This patch prepare the transition to common clk for sama5 dt boards by
replacing the timer init callback.

Clocks registration cannot be done in early init callback (as formerly done
by the old clk implementation) because it requires dynamic allocation
which is not ready yet during early init.

In the other hand, at91 clocks must be registered before
at91sam926x_pit_init is called because PIT (Periodic Interval Timer) driver
request the master clk (mck).

A new function (at91sama5_dt_timer_init) is created to fullfil these needs.
This function registers all at91 clks using the dt definition before
calling the PIT init function.
The device tree clock registration is enabled only if common clk is
selected. Else the old clk registration is been done during
at91_dt_initialize call.

Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-12-02 15:31:27 +01:00
Boris BREZILLON c59b631517 ARM: at91: add new compatible strings for pmc driver
This patch adds new compatible string for PMC node to prepare the
transition to common clk.

These compatible string come from pmc driver in clk subsystem and are
needed to provide new device tree compatibility with old at91 clks
(device tree using common clks will use the new compatible strings).

Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-12-02 15:31:27 +01:00
Boris BREZILLON 7034be876e ARM: at91: move pit timer to common clk framework
Use device tree to get the source clock of the PIT (Periodic Interval Timer).
If the clock is not found in device tree (or dt is not enabled) we'll try to
get it using clk_lookup definitions.

Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-12-02 15:31:26 +01:00
Boris BREZILLON a9c0688fde clk: at91: add PMC smd clock
This patch adds at91 smd (Soft Modem) clock implementation using common clk
framework.

Not used by any driver right now.

Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-12-02 15:31:25 +01:00
Boris BREZILLON c84a61d872 clk: at91: add PMC usb clock
This patch adds new at91 usb clock implementation using common clk framework.
This clock is used to clock usb ports (ohci, ehci and udc).

Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-12-02 15:31:25 +01:00
Boris BREZILLON f090fb37de clk: at91: add PMC utmi clock
This adds new at91 utmi clock implementation using common clk framework.

This clock is a pll with a fixed factor (x40).
It is used as a source for usb clock.

Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-12-02 15:31:25 +01:00
Boris BREZILLON c8a8c63008 ARM: at91: add Kconfig options for common clk support
This patch adds the following Kconfig options to prepare the transition to
common clk framework:

- AT91_USE_OLD_CLK: this option is selected by every SoC which does not
  support new at91 clks based on common clk framework (SoC which does not
  define the clock tree in its device tree).
  This options is also selected when the user choose non dt boards support
  (new at91 clks can only be registered from a device tree definition).

- COMMON_CLK_AT91: this option cannot be selected directly. Instead it is
  enabled if these 3 conditions are met:
   * at least one of the selected SoCs have a PMC (Power Management
     Controller) Unit
   * device tree support is enabled
   * the old at91 clk implementation is disabled (every selected SoC define
     its clks in its device tree and non dt boards support is disabled)

- OLD_CLK_AT91: this option cannot be selected directly. Instead it is
  enabled if these 2 conditions are met:
   * at least one of the selected SoCs have a PMC (Power Management
     Controller) Unit
   * at least one of the selected SoCs does not define its clks in its
     device tree or non dt-boards support is enabled

This patch selects AT91_USE_OLD_CLK in all currently supported SoCs. These
selects will be removed after clk definitions are properly added in each
soc's device tree.
It also selects AT91_USE_OLD_CLK in all non-dt boards support.

AT91_PMC_UNIT references are replaced by OLD_CLK_AT91, because PMC Unit is
enabled for both old and common clk implementations, and old clk
implementation should not be compiled if COMMON_CLK is enabled.

To avoid future link errors, a new stub is created for at91_dt_clock_init
function if OLD_CLK_AT91 is disabled.

A new check is added in dt init functions (setup.c) to prepare for SoCs
supporting new clk implementation. These SoCs won't setup the
register_clocks callback (clk registration is done using of_clk_init).

Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-12-02 15:22:52 +01:00
Boris BREZILLON 2edb90ae42 ARM: at91: move at91_pmc.h to include/linux/clk/at91_pmc.h
This patch moves at91_pmc.h header from machine specific directory
(arch/arm/mach-at91/include/mach/at91_pmc.h) to clk include directory
(include/linux/clk/at91_pmc.h).
We need this to avoid reference to machine specific headers in clk
drivers.

Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-12-02 15:22:15 +01:00
Masanari Iida 5065a706c1 treewide: Fix typo in Kconfig
Correct spelling typo in Kconfig.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2013-12-02 14:54:57 +01:00
Brent Taylor 7093bf2b71 ARM: at91: fixed unresolved symbol "at91_pm_set_standby" when built without CONFIG_PM
If CONFIG_PM is not defined, then arch/arm/mach-at91/pm.c is not
compiled in.  This patch creates an inline function that does nothing
if CONFIG_PM is not defined.

Signed-off-by: Brent Taylor <motobud@gmail.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-12-02 14:24:40 +01:00
Ludovic Desroches 58e7b1d582 ARM: at91: sama5d3: reduce TWI internal clock frequency
With some devices, transfer hangs during I2C frame transmission. This issue
disappears when reducing the internal frequency of the TWI IP. Even if it is
indicated that internal clock max frequency is 66MHz, it seems we have
oversampling on I2C signals making TWI believe that a transfer in progress
is done.

This fix has no impact on the I2C bus frequency.

Cc: <stable@vger.kernel.org> #3.10+
Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Acked-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-12-02 14:14:42 +01:00
Uwe Kleine-König 1c28353111 ARM: at91: rm9200: switch back to clockevents_config_and_register
The timer code for at91rm9200 was already converted some time ago by
Shawn Guo in commit 838a2ae (ARM: use clockevents_config_and_register()
where possible) but because of a rounding issue in the timer core this
resulted in an easily reproducible oops. So it was reverted (commit
b7a8ca5 (ARM: at91: rm9200 fix time support)) which stopped the oops
from happening because min_delta_ns is increased by one in arch code
which stopped from problem from happening.

Now that the timer core problem is fixed (commit a4578ea (clockevents:
Sanitize ticks to nsec conversion)), we can switch back to the
clockevents_config_and_register helper.

Tested-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2013-11-20 21:55:20 +01:00
Linus Torvalds 13509c3a9d Merge branch 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c changes from Wolfram Sang:
 - new drivers for exynos5, bcm kona, and st micro
 - bigger overhauls for drivers mxs and rcar
 - typical driver bugfixes, cleanups, improvements
 - got rid of the superfluous 'driver' member in i2c_client struct This
   touches a few drivers in other subsystems.  All acked.

* 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (38 commits)
  i2c: bcm-kona: fix error return code in bcm_kona_i2c_probe()
  i2c: i2c-eg20t: do not print error message in syslog if no ACK received
  i2c: bcm-kona: Introduce Broadcom I2C Driver
  i2c: cbus-gpio: Fix device tree binding
  i2c: wmt: add missing clk_disable_unprepare() on error
  i2c: designware: add new ACPI IDs
  i2c: i801: Add Device IDs for Intel Wildcat Point-LP PCH
  i2c: exynos5: Remove incorrect clk_disable_unprepare
  i2c: i2c-st: Add ST I2C controller
  i2c: exynos5: add High Speed I2C controller driver
  i2c: rcar: fixup rcar type naming
  i2c: scmi: remove some bogus NULL checks
  i2c: sh_mobile & rcar: Enable the driver on all ARM platforms
  i2c: sh_mobile: Convert to clk_prepare/unprepare
  i2c: mux: gpio: use reg value for i2c_add_mux_adapter
  i2c: mux: gpio: use gpio_set_value_cansleep()
  i2c: Include linux/of.h header
  i2c: mxs: Fix PIO mode on i.MX23
  i2c: mxs: Rework the PIO mode operation
  i2c: mxs: distinguish i.MX23 and i.MX28 based I2C controller
  ...
2013-11-18 15:50:07 -08:00
Linus Torvalds 71f777ed50 ARM: SoC fixes for 3.13 merge window
A first set of batches of fixes for 3.13. The diffstat is large mostly
 because we're adding a defconfig for a family that's been lacking it, and
 there's some missing clock information added for i.MX and OMAP.
 
 The at91 new code is around dealing with RTC/RTT reset at boot to fix possible
 hangs due to pending wakeup interrupts coming in during early boot.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "A first set of batches of fixes for 3.13.  The diffstat is large
  mostly because we're adding a defconfig for a family that's been
  lacking it, and there's some missing clock information added for i.MX
  and OMAP.

  The at91 new code is around dealing with RTC/RTT reset at boot to fix
  possible hangs due to pending wakeup interrupts coming in during early
  boot"

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (29 commits)
  ARM: OMAP2+: Fix build for dra7xx without omap4 and 5
  ARM: OMAP2+: omap_device: maintain sane runtime pm status around suspend/resume
  doc: devicetree: Add bindings documentation for omap-des driver
  ARM: dts: doc: Document missing compatible property for omap-sham driver
  ARM: OMAP3: Beagle: fix return value check in beagle_opp_init()
  ARM: at91: fix hanged boot due to early rtt-interrupt
  ARM: at91: fix hanged boot due to early rtc-interrupt
  video: exynos_mipi_dsim: Remove unused variable
  ARM: highbank: only select errata 764369 if SMP
  ARM: sti: only select errata 764369 if SMP
  ARM: tegra: init fuse before setting reset handler
  ARM: vt8500: add defconfig for v6/v7 chips
  ARM: integrator_cp: Set LCD{0,1} enable lines when turning on CLCD
  ARM: OMAP: devicetree: fix SPI node compatible property syntax items
  pinctrl: single: call pcs_soc->rearm() whenever IRQ mask is changed
  ARM: OMAP2+: smsc911x: fix return value check in gpmc_smsc911x_init()
  MAINTAINERS: drop discontinued mailing list
  ARM: dts: i.MX51: Fix OTG PHY clock
  ARM: imx: set up pllv3 POWER and BYPASS sequentially
  ARM: imx: pllv3 needs relock in .set_rate() call
  ...
2013-11-16 12:45:55 -08:00
Olof Johansson ca439c9b98 Fixes for RTT & RTC interrupts that can fire early
during boot process and kill the system.
 This fix has been discussed for months and it is time
 for it to reach mainline.
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Merge tag 'at91-fixes-non-critical' of git://github.com/at91linux/linux-at91 into fixes

From Nicolas Ferre, fixes for early boot hangs on at91:

Fixes for RTT & RTC interrupts that can fire early during boot process
and kill the system.

* tag 'at91-fixes-non-critical' of git://github.com/at91linux/linux-at91:
  ARM: at91: fix hanged boot due to early rtt-interrupt
  ARM: at91: fix hanged boot due to early rtc-interrupt
2013-11-15 11:10:41 -08:00
Johan Hovold 94c4c79f2f ARM: at91: fix hanged boot due to early rtt-interrupt
Make sure the RTT-interrupts are masked at boot by adding a new helper
function to be used at SOC-init.

This fixes hanged boot on all AT91 SOCs with an RTT, for example, if an
RTT-alarm goes off after a non-clean shutdown (e.g. when using RTC
wakeup).

The RTC and RTT-peripherals are powered by backup power (VDDBU) (on all
AT91 SOCs but RM9200) and are not reset on wake-up, user, watchdog or
software reset. This means that their interrupts may be enabled during
early boot if, for example, they where not disabled during a previous
shutdown (e.g. due to a buggy driver or a non-clean shutdown such as a
user reset). Furthermore, an RTC or RTT-alarm may also be active.

The RTC and RTT-interrupts use the shared system-interrupt line, which
is also used by the PIT, and if an interrupt occurs before a handler
(e.g. RTC-driver) has been installed this leads to the system interrupt
being disabled and prevents the system from booting.

Note that when boot hangs due to an early RTC or RTT-interrupt, the only
way to get the system to start again is to remove the backup power (e.g.
battery) or to disable the interrupt manually from the bootloader. In
particular, a user reset is not sufficient.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: stable@vger.kernel.org # 3.11.x
2013-11-15 12:13:33 +01:00
Johan Hovold 6de714c21a ARM: at91: fix hanged boot due to early rtc-interrupt
Make sure the RTC-interrupts are masked at boot by adding a new helper
function to be used at SOC-init.

This fixes hanged boot on all AT91 SOCs with an RTC (but RM9200), for
example, after a reset during an RTC-update or if an RTC-alarm goes off
after shutdown (e.g. when using RTC wakeup).

The RTC and RTT-peripherals are powered by backup power (VDDBU) (on all
AT91 SOCs but RM9200) and are not reset on wake-up, user, watchdog or
software reset. This means that their interrupts may be enabled during
early boot if, for example, they where not disabled during a previous
shutdown (e.g. due to a buggy driver or a non-clean shutdown such as a
user reset). Furthermore, an RTC or RTT-alarm may also be active.

The RTC and RTT-interrupts use the shared system-interrupt line, which
is also used by the PIT, and if an interrupt occurs before a handler
(e.g. RTC-driver) has been installed this leads to the system interrupt
being disabled and prevents the system from booting.

Note that when boot hangs due to an early RTC or RTT-interrupt, the only
way to get the system to start again is to remove the backup power (e.g.
battery) or to disable the interrupt manually from the bootloader. In
particular, a user reset is not sufficient.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: stable@vger.kernel.org # 3.11.x
2013-11-15 12:13:33 +01:00
Linus Torvalds f0d55cc1a6 fbdev changes for 3.13
Nothing particularly stands out in this pull request. The biggest part of the
 changes are cleanups.
 
 Maybe one fix to mention is the "fb: reorder the lock sequence to fix potential
 dead lock" which hopefully fixes the fb locking issues reported by multiple
 persons.
 
 There are also a few commits that have changes to arch/arm/mach-at91 and
 arch/avr32, which have been acked by the maintainers.
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Merge tag 'fbdev-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux

Pull fbdev changes from Tomi Valkeinen:
 "Nothing particularly stands out in this pull request.  The biggest
  part of the changes are cleanups.

  Maybe one fix to mention is the "fb: reorder the lock sequence to fix
  potential dead lock" which hopefully fixes the fb locking issues
  reported by multiple persons.

  There are also a few commits that have changes to arch/arm/mach-at91
  and arch/avr32, which have been acked by the maintainers"

* tag 'fbdev-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (143 commits)
  fb: reorder the lock sequence to fix potential dead lock
  fbdev: shmobile-lcdcfb: Convert to clk_prepare/unprepare
  fbdev: shmobile-hdmi: Convert to clk_prepare/unprepare
  omapdss: Add new panel driver for Topolly td028ttec1 LCD.
  video: exynos_mipi_dsi: Unlock the mutex before returning
  video: da8xx-fb: remove unwanted define
  video: Remove unnecessary semicolons
  simplefb: use write-combined remapping
  simplefb: fix unmapping fb during destruction
  OMAPDSS: connector-dvi: fix releasing i2c_adapter
  OMAPDSS: DSI: fix perf measuring ifdefs
  framebuffer: Use fb_<level>
  framebuffer: Add fb_<level> convenience logging macros
  efifb: prevent null-deref when iterating dmi_list
  fbdev: fix error return code in metronomefb_probe()
  video: xilinxfb: Fix for "Use standard variable name convention"
  OMAPDSS: Fix de_level in videomode_to_omap_video_timings()
  video: xilinxfb: Simplify error path
  video: xilinxfb: Use devm_kzalloc instead of kzalloc
  video: xilinxfb: Use standard variable name convention
  ...
2013-11-14 14:44:20 +09:00
Linus Torvalds f9300eaaac ACPI and power management updates for 3.13-rc1
- New power capping framework and the the Intel Running Average Power
    Limit (RAPL) driver using it from Srinivas Pandruvada and Jacob Pan.
 
  - Addition of the in-kernel switching feature to the arm_big_little
    cpufreq driver from Viresh Kumar and Nicolas Pitre.
 
  - cpufreq support for iMac G5 from Aaro Koskinen.
 
  - Baytrail processors support for intel_pstate from Dirk Brandewie.
 
  - cpufreq support for Midway/ECX-2000 from Mark Langsdorf.
 
  - ARM vexpress/TC2 cpufreq support from Sudeep KarkadaNagesha.
 
  - ACPI power management support for the I2C and SPI bus types from
    Mika Westerberg and Lv Zheng.
 
  - cpufreq core fixes and cleanups from Viresh Kumar, Srivatsa S Bhat,
    Stratos Karafotis, Xiaoguang Chen, Lan Tianyu.
 
  - cpufreq drivers updates (mostly fixes and cleanups) from Viresh Kumar,
    Aaro Koskinen, Jungseok Lee, Sudeep KarkadaNagesha, Lukasz Majewski,
    Manish Badarkhe, Hans-Christian Egtvedt, Evgeny Kapaev.
 
  - intel_pstate updates from Dirk Brandewie and Adrian Huang.
 
  - ACPICA update to version 20130927 includig fixes and cleanups and
    some reduction of divergences between the ACPICA code in the kernel
    and ACPICA upstream in order to improve the automatic ACPICA patch
    generation process.  From Bob Moore, Lv Zheng, Tomasz Nowicki,
    Naresh Bhat, Bjorn Helgaas, David E Box.
 
  - ACPI IPMI driver fixes and cleanups from Lv Zheng.
 
  - ACPI hotplug fixes and cleanups from Bjorn Helgaas, Toshi Kani,
    Zhang Yanfei, Rafael J Wysocki.
 
  - Conversion of the ACPI AC driver to the platform bus type and
    multiple driver fixes and cleanups related to ACPI from Zhang Rui.
 
  - ACPI processor driver fixes and cleanups from Hanjun Guo, Jiang Liu,
    Bartlomiej Zolnierkiewicz, Mathieu Rhéaume, Rafael J Wysocki.
 
  - Fixes and cleanups and new blacklist entries related to the ACPI
    video support from Aaron Lu, Felipe Contreras, Lennart Poettering,
    Kirill Tkhai.
 
  - cpuidle core cleanups from Viresh Kumar and Lorenzo Pieralisi.
 
  - cpuidle drivers fixes and cleanups from Daniel Lezcano, Jingoo Han,
    Bartlomiej Zolnierkiewicz, Prarit Bhargava.
 
  - devfreq updates from Sachin Kamat, Dan Carpenter, Manish Badarkhe.
 
  - Operation Performance Points (OPP) core updates from Nishanth Menon.
 
  - Runtime power management core fix from Rafael J Wysocki and update
    from Ulf Hansson.
 
  - Hibernation fixes from Aaron Lu and Rafael J Wysocki.
 
  - Device suspend/resume lockup detection mechanism from Benoit Goby.
 
  - Removal of unused proc directories created for various ACPI drivers
    from Lan Tianyu.
 
  - ACPI LPSS driver fix and new device IDs for the ACPI platform scan
    handler from Heikki Krogerus and Jarkko Nikula.
 
  - New ACPI _OSI blacklist entry for Toshiba NB100 from Levente Kurusa.
 
  - Assorted fixes and cleanups related to ACPI from Andy Shevchenko,
    Al Stone, Bartlomiej Zolnierkiewicz, Colin Ian King, Dan Carpenter,
    Felipe Contreras, Jianguo Wu, Lan Tianyu, Yinghai Lu, Mathias Krause,
    Liu Chuansheng.
 
  - Assorted PM fixes and cleanups from Andy Shevchenko, Thierry Reding,
    Jean-Christophe Plagniol-Villard.
 
 /
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Merge tag 'pm+acpi-3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI and power management updates from Rafael J Wysocki:

 - New power capping framework and the the Intel Running Average Power
   Limit (RAPL) driver using it from Srinivas Pandruvada and Jacob Pan.

 - Addition of the in-kernel switching feature to the arm_big_little
   cpufreq driver from Viresh Kumar and Nicolas Pitre.

 - cpufreq support for iMac G5 from Aaro Koskinen.

 - Baytrail processors support for intel_pstate from Dirk Brandewie.

 - cpufreq support for Midway/ECX-2000 from Mark Langsdorf.

 - ARM vexpress/TC2 cpufreq support from Sudeep KarkadaNagesha.

 - ACPI power management support for the I2C and SPI bus types from Mika
   Westerberg and Lv Zheng.

 - cpufreq core fixes and cleanups from Viresh Kumar, Srivatsa S Bhat,
   Stratos Karafotis, Xiaoguang Chen, Lan Tianyu.

 - cpufreq drivers updates (mostly fixes and cleanups) from Viresh
   Kumar, Aaro Koskinen, Jungseok Lee, Sudeep KarkadaNagesha, Lukasz
   Majewski, Manish Badarkhe, Hans-Christian Egtvedt, Evgeny Kapaev.

 - intel_pstate updates from Dirk Brandewie and Adrian Huang.

 - ACPICA update to version 20130927 includig fixes and cleanups and
   some reduction of divergences between the ACPICA code in the kernel
   and ACPICA upstream in order to improve the automatic ACPICA patch
   generation process.  From Bob Moore, Lv Zheng, Tomasz Nowicki, Naresh
   Bhat, Bjorn Helgaas, David E Box.

 - ACPI IPMI driver fixes and cleanups from Lv Zheng.

 - ACPI hotplug fixes and cleanups from Bjorn Helgaas, Toshi Kani, Zhang
   Yanfei, Rafael J Wysocki.

 - Conversion of the ACPI AC driver to the platform bus type and
   multiple driver fixes and cleanups related to ACPI from Zhang Rui.

 - ACPI processor driver fixes and cleanups from Hanjun Guo, Jiang Liu,
   Bartlomiej Zolnierkiewicz, Mathieu Rhéaume, Rafael J Wysocki.

 - Fixes and cleanups and new blacklist entries related to the ACPI
   video support from Aaron Lu, Felipe Contreras, Lennart Poettering,
   Kirill Tkhai.

 - cpuidle core cleanups from Viresh Kumar and Lorenzo Pieralisi.

 - cpuidle drivers fixes and cleanups from Daniel Lezcano, Jingoo Han,
   Bartlomiej Zolnierkiewicz, Prarit Bhargava.

 - devfreq updates from Sachin Kamat, Dan Carpenter, Manish Badarkhe.

 - Operation Performance Points (OPP) core updates from Nishanth Menon.

 - Runtime power management core fix from Rafael J Wysocki and update
   from Ulf Hansson.

 - Hibernation fixes from Aaron Lu and Rafael J Wysocki.

 - Device suspend/resume lockup detection mechanism from Benoit Goby.

 - Removal of unused proc directories created for various ACPI drivers
   from Lan Tianyu.

 - ACPI LPSS driver fix and new device IDs for the ACPI platform scan
   handler from Heikki Krogerus and Jarkko Nikula.

 - New ACPI _OSI blacklist entry for Toshiba NB100 from Levente Kurusa.

 - Assorted fixes and cleanups related to ACPI from Andy Shevchenko, Al
   Stone, Bartlomiej Zolnierkiewicz, Colin Ian King, Dan Carpenter,
   Felipe Contreras, Jianguo Wu, Lan Tianyu, Yinghai Lu, Mathias Krause,
   Liu Chuansheng.

 - Assorted PM fixes and cleanups from Andy Shevchenko, Thierry Reding,
   Jean-Christophe Plagniol-Villard.

* tag 'pm+acpi-3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (386 commits)
  cpufreq: conservative: fix requested_freq reduction issue
  ACPI / hotplug: Consolidate deferred execution of ACPI hotplug routines
  PM / runtime: Use pm_runtime_put_sync() in __device_release_driver()
  ACPI / event: remove unneeded NULL pointer check
  Revert "ACPI / video: Ignore BIOS initial backlight value for HP 250 G1"
  ACPI / video: Quirk initial backlight level 0
  ACPI / video: Fix initial level validity test
  intel_pstate: skip the driver if ACPI has power mgmt option
  PM / hibernate: Avoid overflow in hibernate_preallocate_memory()
  ACPI / hotplug: Do not execute "insert in progress" _OST
  ACPI / hotplug: Carry out PCI root eject directly
  ACPI / hotplug: Merge device hot-removal routines
  ACPI / hotplug: Make acpi_bus_hot_remove_device() internal
  ACPI / hotplug: Simplify device ejection routines
  ACPI / hotplug: Fix handle_root_bridge_removal()
  ACPI / hotplug: Refuse to hot-remove all objects with disabled hotplug
  ACPI / scan: Start matching drivers after trying scan handlers
  ACPI: Remove acpi_pci_slot_init() headers from internal.h
  ACPI / blacklist: fix name of ThinkPad Edge E530
  PowerCap: Fix build error with option -Werror=format-security
  ...

Conflicts:
	arch/arm/mach-omap2/opp.c
	drivers/Kconfig
	drivers/spi/spi.c
2013-11-14 13:41:48 +09:00
Linus Torvalds f9efbce633 ARM: SoC DT updates for 3.13
Most of this branch consists of updates, additions and general churn of
 the device tree source files in the kernel (arch/arm/boot/dts). Besides
 that, there are a few things to point out:
 
 - Lots of platform conversion on OMAP2+, with removal of old board files
   for various platforms.
 - Final conversion of a bunch of ux500 (ST-Ericsson) platforms as well
 - Some updates to pinctrl and other subsystems. Most of these are for
   DT-enablement of the various platforms and acks have been collected.
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Merge tag 'dt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC DT updates from Olof Johansson:
 "Most of this branch consists of updates, additions and general churn
  of the device tree source files in the kernel (arch/arm/boot/dts).
  Besides that, there are a few things to point out:

   - Lots of platform conversion on OMAP2+, with removal of old board
     files for various platforms.
   - Final conversion of a bunch of ux500 (ST-Ericsson) platforms as
     well
   - Some updates to pinctrl and other subsystems.  Most of these are
     for DT-enablement of the various platforms and acks have been
     collected"

* tag 'dt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (385 commits)
  ARM: dts: bcm11351: Use GIC/IRQ defines for sdio interrupts
  ARM: dts: bcm: Add missing UARTs for bcm11351 (bcm281xx)
  ARM: dts: bcm281xx: Add card detect GPIO
  ARM: dts: rename ARCH_BCM to ARCH_BCM_MOBILE (dt)
  ARM: bcm281xx: Add device node for the GPIO controller
  ARM: mvebu: Add Netgear ReadyNAS 104 board
  ARM: tegra: fix Tegra114 IOMMU register address
  ARM: kirkwood: add support for OpenBlocks A7 platform
  ARM: dts: omap4-panda: add DPI pinmuxing
  ARM: dts: AM33xx: Add RNG node
  ARM: dts: AM33XX: Add hwspinlock node
  ARM: dts: OMAP5: Add hwspinlock node
  ARM: dts: OMAP4: Add hwspinlock node
  ARM: dts: use 'status' property for PCIe nodes
  ARM: dts: sirf: add missed address-cells and size-cells for prima2 I2C
  ARM: dts: sirf: add missed cell, cs and dma channel for SPI nodes
  ARM: dts: sirf: add missed graphics2d iobg in atlas6 dts
  ARM: dts: sirf: add missed chhifbg node in prima2 and atlas6 dts
  ARM: dts: sirf: add missed memcontrol-monitor node in prima2 and atlas6 dts
  ARM: mvebu: Add the core-divider clock to Armada 370/XP
  ...
2013-11-11 17:34:56 +09:00
Linus Torvalds 21604cdcdc ARM: SoC cleanups for 3.13
This branch contains code cleanups, moves and removals for 3.13.
 
 Qualcomm msm targets had a bunch of code removal for legacy non-DT
 platforms. Nomadik saw more device tree conversions and cleanup of old
 code. Tegra has some code refactoring, etc.
 
 One longish patch series from Sebastian Hasselbarth changes the init_time
 hooks and tries to use a generic implementation for most platforms,
 since they were all doing more or less the same things.
 
 Finally the "shark" platform is removed in this release. It's been
 abandoned for a while and nobody seems to care enough to keep it
 around. If someone comes along and wants to resurrect it, the removal
 can easily be reverted and code brought back.
 
 Beyond this, mostly a bunch of removals of stale content across the
 board, etc.
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Merge tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC cleanups from Olof Johansson:
 "This branch contains code cleanups, moves and removals for 3.13.

  Qualcomm msm targets had a bunch of code removal for legacy non-DT
  platforms.  Nomadik saw more device tree conversions and cleanup of
  old code.  Tegra has some code refactoring, etc.

  One longish patch series from Sebastian Hasselbarth changes the
  init_time hooks and tries to use a generic implementation for most
  platforms, since they were all doing more or less the same things.

  Finally the "shark" platform is removed in this release.  It's been
  abandoned for a while and nobody seems to care enough to keep it
  around.  If someone comes along and wants to resurrect it, the removal
  can easily be reverted and code brought back.

  Beyond this, mostly a bunch of removals of stale content across the
  board, etc"

* tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (79 commits)
  ARM: gemini: convert to GENERIC_CLOCKEVENTS
  ARM: EXYNOS: remove CONFIG_MACH_EXYNOS[4, 5]_DT config options
  ARM: OMAP3: control: add API for setting IVA bootmode
  ARM: OMAP3: CM/control: move CM scratchpad save to CM driver
  ARM: OMAP3: McBSP: do not access CM register directly
  ARM: OMAP3: clock: add API to enable/disable autoidle for a single clock
  ARM: OMAP2: CM/PM: remove direct register accesses outside CM code
  MAINTAINERS: Add patterns for DTS files for AT91
  ARM: at91: remove init_machine() as default is suitable
  ARM: at91/dt: split sama5d3 peripheral definitions
  ARM: at91/dt: split sam9x5 peripheral definitions
  ARM: Remove temporary sched_clock.h header
  ARM: clps711x: Use linux/sched_clock.h
  MAINTAINERS: Add DTS files to patterns for Samsung platform
  ARM: EXYNOS: remove unnecessary header inclusions from exynos4/5 dt machine file
  ARM: tegra: fix ARCH_TEGRA_114_SOC select sort order
  clk: nomadik: fix missing __init on nomadik_src_init
  ARM: drop explicit selection of HAVE_CLK and CLKDEV_LOOKUP
  ARM: S3C64XX: Kill CONFIG_PLAT_S3C64XX
  ASoC: samsung: Use CONFIG_ARCH_S3C64XX to check for S3C64XX support
  ...
2013-11-11 16:42:43 +09:00
Olof Johansson 43d93947a5 Via Paul Walmsley <paul@pwsan.com>:
Move some of the OMAP2+ CM and System Control Module direct
 register accesses into CM- and System Control
 Module-specific "drivers" underneath arch/arm/mach-omap2/.  This
 is a prerequisite for moving this code out of arch/arm/mach-omap2/ into
 drivers/.
 
 Basic test logs are available here:
 
 http://www.pwsan.com/omap/testlogs/cm_scm_cleanup_a_v3.13/20131019101809/
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Merge tag 'omap-for-v3.13/cm-scm-cleanup-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/cleanup

From Paul Walmsley <paul@pwsan.com> via Tony Lindgren:

Move some of the OMAP2+ CM and System Control Module direct
register accesses into CM- and System Control
Module-specific "drivers" underneath arch/arm/mach-omap2/.  This
is a prerequisite for moving this code out of arch/arm/mach-omap2/ into
drivers/.

Basic test logs are available here:

http://www.pwsan.com/omap/testlogs/cm_scm_cleanup_a_v3.13/20131019101809/

* tag 'omap-for-v3.13/cm-scm-cleanup-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP3: control: add API for setting IVA bootmode
  ARM: OMAP3: CM/control: move CM scratchpad save to CM driver
  ARM: OMAP3: McBSP: do not access CM register directly
  ARM: OMAP3: clock: add API to enable/disable autoidle for a single clock
  ARM: OMAP2: CM/PM: remove direct register accesses outside CM code
  + Linux 3.12-rc4

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-10-28 14:39:03 -07:00
Kevin Hilman af43ef6770 First DT series for 3.13
- addition of sound for at91sam9n12
 - a little fix for MMC vs. SPI on at91sam9g20ek
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Merge tag 'at91-dt' of git://github.com/at91linux/linux-at91 into next/dt

From Nicolas Ferre:
First DT series for 3.13
- addition of sound for at91sam9n12
- a little fix for MMC vs. SPI on at91sam9g20ek

* tag 'at91-dt' of git://github.com/at91linux/linux-at91:
  ARM: at91: remove pinctrl conflict between mmc and SPI for at91sam9g20ek
  ARM: at91: add sound support on at91sam9n12ek board
  ARM: at91: enable ssc on at91sam9n12ek board
  ARM: at91: enable wm8904 on at91sam9n12ek board
  ARM: at91: add ssc dma parameter for at91sam9n12
  ARM: at91: add at91sam9n12 ssc clock in look up table

Signed-off-by: Kevin Hilman <khilman@linaro.org>
2013-10-18 08:21:28 -07:00
Josh Wu c8b11de040 iio: at91: introduce touch screen support in iio adc driver
AT91 ADC hardware integrate touch screen support. So this patch add touch
screen support for at91 adc iio driver.
To enable touch screen support in adc, you need to add the dt parameters:
  1. which type of touch are used? (4 or 5 wires), sample period time.
  2. correct pressure detect threshold value.

In the meantime, since touch screen will use a interal period trigger of adc,
so it is conflict to other hardware triggers. Driver will disable the hardware
trigger support if touch screen is enabled.

This driver has been tested in AT91SAM9X5-EK and SAMA5D3x-EK.

Signed-off-by: Josh Wu <josh.wu@atmel.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
CC: devicetree@vger.kernel.org
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-10-17 23:57:10 +01:00
Jean-Christophe PLAGNIOL-VILLARD 6b625891c6 ARM: AT91: DT: pm: Select ram controller standby based on DT
Move non-dt selection to ioremap_registers init which is only called not
non-dt board.

So we can support sam9n12/sam9x5/sama5d3 too.

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-10-16 23:51:47 +02:00
Jean-Christophe PLAGNIOL-VILLARD 2d2c476f3c ARM: AT91: pm: Factorize standby function
Detect presence of second bank. So we do not need to have on function per SoC

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2013-10-16 23:51:36 +02:00
Daniel Lezcano 1ce3c48e6c ARM: at91: cpuidle: Move driver to drivers/cpuidle
As the cpuidle driver code has no more the dependency with the pm code, the
'standby' callback being passed as a parameter to the device's platform data,
we can move the cpuidle driver in the drivers/cpuidle directory.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>

Conflicts:

	drivers/cpuidle/Kconfig.arm
	drivers/cpuidle/Makefile
2013-10-16 23:49:35 +02:00
Daniel Lezcano 5ad945ea58 ARM: at91: cpuidle: Convert to platform driver
Using the platform driver model is a good way to separate the cpuidle specific
code from the low level pm code. It allows to remove the dependency between
these two components.

The platform_device is located in the pm code and a 'set' function has been
added to set the standby function from the AT91_SOC_START initialization
function. Each SoC with a cpuidle driver will set the standby function in the
platform_data field at init time. Then pm code will register the cpuidle
platform device.

The cpuidle driver will register the platform_driver and use the device's
platform_data as a standby callback in the idle path.

The at91_pm_enter function contains a { if then else } based on cpu_is_xx
similar to what was in cpuidle. This is considered dangerous when adding a new
SoC. Like the cpuidle driver, a standby ops is defined and assigned when the
SoC init function specifies what is its standby function and reused in the
at91_pm_enter's 'case' block.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-10-16 23:46:13 +02:00
Nicolas Ferre f123248e17 ARM: at91: remove init_machine() as default is suitable
Since 883a106b08 (ARM: default
machine descriptor for multiplatform) we can remove the SoC-specific
callback init_machine() to use the default code.
This cleans up the code and reduces the number of lines.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
2013-10-16 15:47:08 +02:00
Bo Shen 45cf70c0dc ARM: at91: add at91sam9n12 ssc clock in look up table
Add at91sam9n12 ssc clock in look up table

Signed-off-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-10-14 09:42:19 +02:00