Commit Graph

1173 Commits

Author SHA1 Message Date
Russell King dc81df520b Merge branch 'atags' into integrator 2012-09-17 23:19:02 +01:00
Olof Johansson e640ca0fcb Remove the ancient omap specific atags that are no longer needed.
At some point we were planning to pass the bootloader information
 with custom atags that did not work out too well.
 
 There's no need for these any longer as the kernel has been booting
 fine without them for quite some time. And Now we have device tree
 support that can be used instead.
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Merge tag 'cleanup-omap-tags-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/cleanup

From Tony Lindgren:

Remove the ancient omap specific atags that are no longer needed.

At some point we were planning to pass the bootloader information
with custom atags that did not work out too well.

There's no need for these any longer as the kernel has been booting
fine without them for quite some time. And Now we have device tree
support that can be used instead.

* tag 'cleanup-omap-tags-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP: remove plat/board.h file
  ARM: OMAP: move debug_card_init() function
  ARM: OMAP1: move lcd pdata out of arch/arm/*
  ARM: OMAP1: move omap1_bl pdata out of arch/arm/*
  ARM: OMAP: remove the omap custom tags
  ARM: OMAP1: remove the crystal type tag parsing
  ARM: OMAP: remove the sti console workaround
  ARM: OMAP: omap3evm: cleanup revision bits
  ARM: OMAP: cleanup struct omap_board_config_kernel
  + sync to 3.6-rc5
2012-09-16 19:28:42 -07:00
Olof Johansson d1226e8f98 Kevin Hilman <khilman@ti.com>:
Updates for omap_device layer for v3.7.
 
 Allows omap_device layer to keep track of driver bound status in order
 to make more intelligent decisions about idling unused devices.
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Merge tag 'devel-omap-device-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc

Kevin Hilman <khilman@ti.com>:

Updates for omap_device layer for v3.7.

Allows omap_device layer to keep track of driver bound status in order
to make more intelligent decisions about idling unused devices.

* tag 'devel-omap-device-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP: omap_device: idle devices with no driver bound
  ARM: OMAP: omap_device: don't attempt late suspend if no driver bound
  ARM: OMAP: omap_device: keep track of driver bound status
  + sync to 3.6-rc5
2012-09-16 19:24:53 -07:00
Olof Johansson 2e6185f1fe ARM: tegra: i2c driver enhancements mostly related to clocking
This branch contains a number of fixes and cleanups to the Tegra I2C
 driver related to clocks. These are based on the common clock conversion
 in order to avoid duplicating the clock driver changes before and after
 the conversion. Finally, a bug-fix related to I2C_M_NOSTART is included.
 
 This branch is based on previous pull request tegra-for-3.7-common-clk.
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Merge tag 'tegra-for-3.7-drivers-i2c' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/drivers

From Stephen Warren:

ARM: tegra: i2c driver enhancements mostly related to clocking

This branch contains a number of fixes and cleanups to the Tegra I2C
driver related to clocks. These are based on the common clock conversion
in order to avoid duplicating the clock driver changes before and after
the conversion. Finally, a bug-fix related to I2C_M_NOSTART is included.

This branch is based on previous pull request tegra-for-3.7-common-clk.

* tag 'tegra-for-3.7-drivers-i2c' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
  i2c: tegra: dynamically control fast clk
  i2c: tegra: I2_M_NOSTART functionality not supported in Tegra20
  ARM: tegra: clock: remove unused clock entry for i2c
  ARM: tegra: clock: add connection name in i2c clock entry
  i2c: tegra: pass proper name for getting clock
  ARM: tegra: clock: add i2c fast clock entry in clock table
  ARM: Tegra: Add smp_twd clock for Tegra20
  ARM: tegra: cpu-tegra: explicitly manage re-parenting
  ARM: tegra: fix overflow in tegra20_pll_clk_round_rate()
  ARM: tegra: Fix data type for io address
  ARM: tegra: remove tegra_timer from tegra_list_clks
  ARM: tegra30: clocks: fix the wrong tegra_audio_sync_clk_ops name
  ARM: tegra: clocks: separate tegra_clk_32k_ops from Tegra20 and Tegra30
  ARM: tegra: Remove duplicate code
  ARM: tegra: Port tegra to generic clock framework
  ARM: tegra: Add clk_tegra structure and helper functions
  ARM: tegra: Rename tegra20 clock file
  ARM: tegra20: Separate out clk ops and clk data
  ARM: tegra30: Separate out clk ops and clk data
  ARM: tegra: fix U16 divider range check
  ...
  + sync to v3.6-rc4

Resolved remove/modify conflict in arch/arm/mach-sa1100/leds-hackkit.c
caused by the sync with v3.6-rc4.

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-09-16 18:31:37 -07:00
Olof Johansson ea2abb670b ARM: tegra: switch to the common clock framework
This branch contains a few bug-fixes, followed by a conversion of Tegra's
 clock driver to the common clock framework, followed by various bug fixes
 found after the conversion.
 
 This branch depends on v3.6-rc4.
 
 This branch is a dependency for a few later pull requests.
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Merge tag 'tegra-for-3.7-common-clk' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/soc

From Stephen Warren:

ARM: tegra: switch to the common clock framework

This branch contains a few bug-fixes, followed by a conversion of Tegra's
clock driver to the common clock framework, followed by various bug fixes
found after the conversion.

* tag 'tegra-for-3.7-common-clk' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
  ARM: Tegra: Add smp_twd clock for Tegra20
  ARM: tegra: cpu-tegra: explicitly manage re-parenting
  ARM: tegra: fix overflow in tegra20_pll_clk_round_rate()
  ARM: tegra: Fix data type for io address
  ARM: tegra: remove tegra_timer from tegra_list_clks
  ARM: tegra30: clocks: fix the wrong tegra_audio_sync_clk_ops name
  ARM: tegra: clocks: separate tegra_clk_32k_ops from Tegra20 and Tegra30
  ARM: tegra: Remove duplicate code
  ARM: tegra: Port tegra to generic clock framework
  ARM: tegra: Add clk_tegra structure and helper functions
  ARM: tegra: Rename tegra20 clock file
  ARM: tegra20: Separate out clk ops and clk data
  ARM: tegra30: Separate out clk ops and clk data
  ARM: tegra: fix U16 divider range check
  ARM: tegra: turn on UART A clock at boot
2012-09-16 18:25:15 -07:00
Olof Johansson a95aa84f5e ARM: tegra: fixes for 3.7
This branch contains a number of minor bug-fixes for Tegra.
 
 This branch is based ono v3.6-rc4.
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Merge tag 'tegra-for-3.7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/fixes-non-critical

* tag 'tegra-for-3.7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
  ARM: enable SUSPEND/ARCH_SUSPEND_POSSIBLE for ARCH_TEGRA
  ARM: tegra: fix debugfs entry for Tegra30
  ARM: tegra: fix return value for debugfs init
2012-09-16 18:13:46 -07:00
Linus Walleij 38ef2ad5f1 ARM: 7531/1: mark kernelmode mem{cpy,set} non-experimental
This feature was added in 2009, I've been using it off and on and
never had any problems with it on my systems. I cannot see why
it needs to be marked experimental, make it a normal feature and
let us discover its possible shortcomings as people try to turn
it on instead.

Cc: Lennert Buytenhek <kernel@wantstofly.org>
Cc: Nicolas Pitre <nico@fluxnic.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-09-15 21:45:54 +01:00
Rob Herring 617276307c ARM: vexpress: convert to multi-platform
Convert vexpress to multi-platform. This always enables vexpress DT and
makes it the default v7 platform.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Pawel Moll <pawel.moll@arm.com>
2012-09-14 12:55:09 -05:00
Rob Herring 387798b37c ARM: initial multiplatform support
This lets us build a multiplatform kernel for experimental purposes.
However, it will not be useful for any real work, because it relies
on a number of useful things to be disabled for now:

* SMP support must be turned off because of conflicting symbols.
  Marc Zyngier has proposed a solution by adding a new SOC
  operations structure to hold indirect function pointers
  for these, but that work is currently stalled

* We turn on SPARSE_IRQ unconditionally, which is not supported
  on most platforms. Each of them is currently in a different
  state, but most are being worked on.

* A common clock framework is in place since v3.4 but not yet
  being used. Work on this is on its way.

* DEBUG_LL for early debugging is currently disabled.

* THUMB2_KERNEL does not work with allyesconfig because the
  kernel gets too big

[Rob Herring]: Rebased to not be dependent on the mass mach header rename.
As a result, omap2plus, imx, mxs and ux500 are not converted. Highbank,
picoxcell, mvebu, and socfpga are converted.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Acked-by: Jamie Iles <jamie@jamieiles.com>
Cc: Dinh Nguyen <dinguyen@altera.com>
2012-09-14 09:22:06 -05:00
Rob Herring 01464226ac ARM: make mach/gpio.h headers optional
Most platforms don't need mach/gpio.h and it prevents multi-platform
kernel images. Add CONFIG_NEED_MACH_GPIO_H and make platforns select it
if they need gpio.h. This is platforms that define __GPIOLIB_COMPLEX
or have lots of implicit includes pulled in by mach/gpio.h.

at91 and omap have gpio clean-up pending and can drop
CONFIG_NEED_MACH_GPIO_H once that is in.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Russell King <linux@arm.linux.org.uk>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-14 09:21:59 -05:00
Olof Johansson 77ea4a300d Merge branch 'clk-3.7' of git://git.linaro.org/people/mturquette/linux into next/dt
* 'clk-3.7' of git://git.linaro.org/people/mturquette/linux:
  clk: add of_clk_src_onecell_get() support
  clk: ux500: Define smp_twd clock for u8500
  mfd: dbx500: Provide a more accurate smp_twd clock
  clk: ux500: Support for prmcu_rate clock
  clk: Provide option for clk_get_rate to issue hw for new rate
  clock: max77686: Add driver for Maxim 77686 32Khz crystal oscillator.
  ARM: ux500: Switch to use common clock framework
  clk: ux500: Clock definitions for u8500
  clk: ux500: First version of clock definitions for ux500
  clk: ux500: Adapt PRCMU and PRCC clocks for common clk
  clk: versatile: make config option boolean
  clk: add Loongson1B clock support
  arm: mmp: make all SOCs use common clock by default
  clk: mmp: add clock definition for mmp2
  clk: mmp: add clock definition for pxa910
  clk: mmp: add clock definition for pxa168
  clk: mmp: add mmp specific clocks
  clk: convert ARM RealView to common clk
  clk: prima2: move from arch/arm/mach to drivers/clk
  ARM: PRIMA2: convert to common clk and finish full clk tree
2012-09-12 23:03:37 -07:00
Olof Johansson 025c95a682 Merge branch 'clk' of git://github.com/hzhuang1/linux into next/cleanup
* 'clk' of git://github.com/hzhuang1/linux:
  ARM: mmp: remove unused definition in APBC and APMU
  ARM: mmp: move mmp2 clock definition to separated file
  arm: mmp: move pxa910 clock definition to separated file
  arm: mmp: move pxa168 clock definition to separated file
  arm: mmp: make private clock definition exclude from common clock
  + Linux 3.6-rc4
2012-09-12 22:34:11 -07:00
Olof Johansson e5567598c6 Merge branch 'renesas/pmu' into next/soc
* renesas/pmu:
  ARM: shmobile: emev2: enable PMU(Performance Monitoring Unit)
  ARM: shmobile: sh73a0: enable PMU(Performance Monitoring Unit)
2012-09-11 23:04:30 -07:00
Linus Torvalds 32d687cad3 Merge branch 'fixes-for-3.6' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping
Pull DMA-mapping fixes from Marek Szyprowski:
 "Another set of fixes for ARM dma-mapping subsystem.

  Commit e9da6e9905 replaced custom consistent buffer remapping code
  with generic vmalloc areas.  It however introduced some regressions
  caused by limited support for allocations in atomic context.  This
  series contains fixes for those regressions.

  For some subplatforms the default, pre-allocated pool for atomic
  allocations turned out to be too small, so a function for setting its
  size has been added.

  Another set of patches adds support for atomic allocations to
  IOMMU-aware DMA-mapping implementation.

  The last part of this pull request contains two fixes for Contiguous
  Memory Allocator, which relax too strict requirements."

* 'fixes-for-3.6' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping:
  ARM: dma-mapping: IOMMU allocates pages from atomic_pool with GFP_ATOMIC
  ARM: dma-mapping: Introduce __atomic_get_pages() for __iommu_get_pages()
  ARM: dma-mapping: Refactor out to introduce __in_atomic_pool
  ARM: dma-mapping: atomic_pool with struct page **pages
  ARM: Kirkwood: increase atomic coherent pool size
  ARM: DMA-Mapping: print warning when atomic coherent allocation fails
  ARM: DMA-Mapping: add function for setting coherent pool size from platform code
  ARM: relax conditions required for enabling Contiguous Memory Allocator
  mm: cma: fix alignment requirements for contiguous regions
2012-09-08 16:22:43 -07:00
Stephen Warren 4b1082ca8c ARM: enable SUSPEND/ARCH_SUSPEND_POSSIBLE for ARCH_TEGRA
Even though system suspend/resume hasn't been validated on Tegra yet,
this Kconfig option needs to be enabled so that system shutdown is
reliable on an SMP system. Without it, I2C interrupts may be routed
to CPU0, whereas shutdown code may be running on CPU1, causing I2C
timeouts, preventing communication with the external PMIC.

This reverts 3d5e8af "ARM: disable SUSPEND/ARCH_SUSPEND_POSSIBLE for
ARCH_TEGRA".

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-09-06 12:27:27 -06:00
Prashant Gaikwad 92fe58f07f ARM: tegra: Port tegra to generic clock framework
This patch converts tegra clock code to generic clock framework in following way:
 - Implement clk_ops as required by generic clk framework. (tegraXX_clocks.c)
 - Use platform specific struct clk_tegra in clk_ops implementation instead of struct clk.
 - Initialize all clock data statically. (tegraXX_clocks_data.c)

Legacy framework did not have recalc_rate and is_enabled functions. Implemented these functions.
Removed init function. It's functionality is splitted into recalc_rate and is_enabled.

Static initialization is used since slab is not up in .init_early and clock
is needed to be initialized before clockevent/clocksource initialization.
Macros redefined for clk_tegra.

Also, single struct clk_tegra is used for all type of clocks (PLL, peripheral etc.). This
is to move quickly to generic common clock framework so that other dependent features will
not be blocked (such as DT binding).

Enabling COMMON_CLOCK config moved to ARCH_TEGRA since it is enabled for both Tegra20
and Tegra30.

Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-09-06 11:47:20 -06:00
Olof Johansson 7ad8f8f1c5 Merge branch 'pnx4008-removal' of git://git.antcom.de/linux-2.6 into next/cleanup
Removes the pnx4008 platform support, which hasn't seen any active
development since 2006 and seems to be unused these days.

* 'pnx4008-removal' of git://git.antcom.de/linux-2.6:
  ARM: mach-pnx4008: Remove architecture
2012-09-05 16:16:32 -07:00
Olof Johansson ae2fe0c0ca This cleans up the ks8695 timer driver and converts
it to use generic time and clock events.
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Merge tag 'ks8695-time-for-arm-soc' of http://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into next/cleanup

This cleans up the ks8695 timer driver and converts
it to use generic time and clock events.

* tag 'ks8695-time-for-arm-soc' of http://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson:
  ARM: ks8695: convert to generic time and clocksource
  ARM: ks8695: delete resume hook from timer
  ARM: ks8695: use [readl|writel]_relaxed()
  ARM: ks8695: merge the timer header into the timer driver
2012-09-05 10:39:09 -07:00
Linus Walleij c7e783d6ad ARM: ks8695: convert to generic time and clocksource
Old platforms using ancient gettimeoffset() and other arcane
APIs are standing in the way of cleaning up the ARM kernel.
The gettimeoffset() was also broken: it would try to read out
the timer counter value, while this would not work (the
counter statically returns the initially programmed value)
so the implementation would anyway fall back to a homebrew
version of jiffie calculation.

This is an attempt at blind-coding a generic time and clocksource
driver for the platform by way of a datasheet and looking at the
old code.

Tested-by: Greg Ungerer <gerg@snapgear.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-05 08:49:22 +02:00
Olof Johansson cd75473609 Bunch of perf updates for the ARM backend that pave the way for
big.LITTLE support in the future. The separation of CPU and PMU code
 is also the start of being able to move some of this stuff under
 drivers/.
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Merge tag 'arm-perf-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into next/cleanup

From Will Deacon:

Bunch of perf updates for the ARM backend that pave the way for
big.LITTLE support in the future. The separation of CPU and PMU code
is also the start of being able to move some of this stuff under
drivers/.

* tag 'arm-perf-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux:
  ARM: perf: move irq registration into pmu implementation
  ARM: perf: move CPU-specific PMU handling code into separate file
  ARM: perf: prepare for moving CPU PMU code into separate file
  ARM: perf: probe devicetree in preference to current CPU
  ARM: perf: remove mysterious compiler barrier
  ARM: pmu: remove arm_pmu_type enumeration
  ARM: pmu: remove unused reservation mechanism
  ARM: perf: add devicetree bindings for 11MPcore, A5, A7 and A15 PMUs
  ARM: PMU: Add runtime PM Support
2012-09-04 22:12:41 -07:00
Olof Johansson 242521e90e Merge branch 'marco-prepare' of git://gitorious.org/sirfprima2-kernel/sirfprima2-kernel into next/cleanup
* 'marco-prepare' of git://gitorious.org/sirfprima2-kernel/sirfprima2-kernel:
  ARM: SIRF: make sirf irqchip driver optional since new SoCs will have GIC
  ARM: PRIMA2: adjust Kconfig to support select SoC features
  ARM: PRIMA2: use DT_MACHINE_START and convert to generic board
  clk: prima2: move from arch/arm/mach to drivers/clk
  ARM: PRIMA2: convert to common clk and finish full clk tree
2012-09-04 21:05:19 -07:00
Arnd Bergmann 3fbb96d275 Merge branch 'cleanup/io-pci' into next/cleanup
The io-pci series has gained a merge to resolve a nontrivial
conflict.

* cleanup/io-pci:
  ARM: Fix ioremap() of address zero

Also includes an update to Linux 3.6-rc3

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-09-04 15:07:35 +02:00
Arnd Bergmann 863e99a8c1 Merge commit 'a849088aa1' from rmk/fixes into cleanup/io-pci
As Stephen Rothwell reports, a849088aa1 ("ARM: Fix ioremap() of
address zero") from the arm-current tree and commit c279443709 ("ARM:
Add fixed PCI i/o mapping") from the arm-soc tree conflict in
a nontrivial way in arch/arm/mm/mmu.c.

Rob Herring explains:
The PCI i/o reserved area has a dummy physical address of 0 and
needs to be skipped by ioremap searches. So we don't set
VM_ARM_STATIC_MAPPING to prevent matches by ioremap. The vm_struct
settings don't really matter when we do the real mapping of the
i/o space.

Since commit a849088aa1 is at the start of the fixes branch
in the arm tree, we can merge it into the branch that contains
the other ioremap changes.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
2012-09-04 15:01:37 +02:00
Nicolas Pitre bd51e2f595 ARM: 7506/1: allow for ATAGS to be configured out when DT support is selected
Now that ATAGS support is well contained, we can easily remove it from
the kernel build if so desired.  It has to explicitly be disabled, and
only when DT support is selected.

Note: disabling kernel ATAGS support does not prevent the usage of
CONFIG_ARM_ATAG_DTB_COMPAT.

Signed-off-by: Nicolas Pitre <nico@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-09-03 22:56:15 +01:00
Linus Walleij 2601ccfeac ARM: nomadik: configure Nomadik for pin control
This converts the Nomadik to using pin control using the
driver for the STN8815 ASIC.

Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-03 13:21:37 +02:00
Shawn Guo c2668206e9 ARM: mxs: select SPARSE_IRQ
With icoll and gpio interrupt controllers adopt irqdomain support and
all interrupt nubmers are retrieved from device tree, it's safe to
select SPARSE_IRQ for mxs now.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2012-09-03 09:32:11 +08:00
Shawn Guo 4e0a1b8c07 ARM: mxs: select MULTI_IRQ_HANDLER
As part of multi-platform effort, let's enable MULTI_IRQ_HANDLER for
mach-mxs and remove entry-macro.S.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2012-09-03 09:31:56 +08:00
Marek Szyprowski e092705bcd ARM: relax conditions required for enabling Contiguous Memory Allocator
Contiguous Memory Allocator requires only paging and MMU enabled not
particular CPU architectures, so there is no need for strict dependency
on CPU type. This enables to use CMA on some older ARM v5 systems which
also might need large contiguous blocks for the multimedia processing hw
modules.

Reported-by: Prabhakar Lad <prabhakar.lad@ti.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Prabhakar Lad <prabhakar.lad@ti.com>
2012-08-28 21:01:02 +02:00
Barry Song 156a099797 ARM: PRIMA2: adjust Kconfig to support select SoC features
Now we have primaII, but will include Marco and Polo in mach-prima2
as well. We add Kconfig menu so that we can select necessary SoC
features.

Signed-off-by: Barry Song <Baohua.Song@csr.com>
2012-08-28 17:06:10 +08:00
Roland Stigge d684f05f2d ARM: mach-pnx4008: Remove architecture
This patch removes the ARM architecture mach-pnx4008. No direct support or user
feedback since 2006. Acknowledgements from NXP/Philips and Linux arm-soc
maintainers.

Signed-off-by: Roland Stigge <stigge@antcom.de>
2012-08-26 16:30:37 +02:00
Linus Torvalds 9acb172543 arm-soc fixes for v3.6-rc3
Bug fixes for various ARM platforms. About half of these are
 for OMAP and submitted before but did not make it into v3.6-rc2.
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Merge tag 'fixes-3.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm-soc fixes from Arnd Bergmann:
 "Bug fixes for various ARM platforms.  About half of these are for OMAP
  and submitted before but did not make it into v3.6-rc2."

* tag 'fixes-3.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (39 commits)
  ARM: ux500: don't select LEDS_GPIO for snowball
  ARM: imx: build i.MX6 functions only when needed
  ARM: imx: select CPU_FREQ_TABLE when needed
  ARM: imx: fix ksz9021rn_phy_fixup
  ARM: imx: build pm-imx5 code only when PM is enabled
  ARM: omap: allow building omap44xx without SMP
  ARM: dts: imx51-babbage: fix esdhc cd/wp properties
  ARM: imx6: spin the cpu until hardware takes it down
  ARM: ux500: Ensure probing of Audio devices when Device Tree is enabled
  ARM: ux500: Fix merge error, no matching driver name for 'snd_soc_u8500'
  ARM i.MX6q: Add virtual 1/3.5 dividers in the LDB clock path
  ARM: Kirkwood: fix Makefile.boot
  ARM: Kirkwood: Fix iconnect leds
  ARM: Orion: Set eth packet size csum offload limit
  ARM: mv78xx0: fix win_cfg_base prototype
  ARM: OMAP: dmtimers: Fix locking issue in omap_dm_timer_request*()
  ARM: mmp: fix potential NULL dereference
  ARM: OMAP4: Register the OPP table only for 4430 device
  cpufreq: OMAP: Handle missing frequency table on SMP systems
  ARM: OMAP4: sleep: Save the complete used register stack frame
  ...
2012-08-25 17:33:33 -07:00
Linus Walleij f9a6aa4303 clk: convert ARM RealView to common clk
This converts the ARM RealView machine over to using the common
clock. The approach is similar to the one used for the Integrator,
and we're reusing the ICST wrapper code.

We have to put the clock intialization in the timer init function
for the clocks to be available when initializing the timer,
keeping them in early_init() is too early for the common clk.

Since we now have to go down and compile drivers/clk/versatile
a CONFIG_COMMON_CLK_VERSATILE symbol has been added so the proper
code gets compiled into the kernel for either machine. A leftover
CLK_VERSATILE in the Integrator Kconfig was fixed up to use
the new symbol as well.

Tested on ARM RealView PB1176.

Cc: Pawel Moll <pawel.moll@arm.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2012-08-24 17:42:10 -07:00
Binghua Duan 198678b0b8 ARM: PRIMA2: convert to common clk and finish full clk tree
Commit 02c981c07b only implements a little part of primaII clk tree
due to common clk framework was not ready at that time.
This patch converts the old driver to common clk and finish the full clk
tree.

Signed-off-by: Binghua Duan <Binghua.Duan@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2012-08-24 12:09:30 -07:00
Arnd Bergmann f637c4c940 ARM: imx: select CPU_FREQ_TABLE when needed
The i.MX cpufreq implementation uses the CPU_FREQ_TABLE helpers,
so it needs to select that code to be built. This problem has
apparently existed since the i.MX cpufreq code was first merged
in v2.6.37.

Building IMX without CPU_FREQ_TABLE results in:

arch/arm/plat-mxc/built-in.o: In function `mxc_cpufreq_exit':
arch/arm/plat-mxc/cpufreq.c:173: undefined reference to `cpufreq_frequency_table_put_attr'
arch/arm/plat-mxc/built-in.o: In function `mxc_set_target':
arch/arm/plat-mxc/cpufreq.c:84: undefined reference to `cpufreq_frequency_table_target'
arch/arm/plat-mxc/built-in.o: In function `mxc_verify_speed':
arch/arm/plat-mxc/cpufreq.c:65: undefined reference to `cpufreq_frequency_table_verify'
arch/arm/plat-mxc/built-in.o: In function `mxc_cpufreq_init':
arch/arm/plat-mxc/cpufreq.c:154: undefined reference to `cpufreq_frequency_table_cpuinfo'
arch/arm/plat-mxc/cpufreq.c:162: undefined reference to `cpufreq_frequency_table_get_attr'

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Yong Shen <yong.shen@linaro.org>
Cc: stable@vger.kernel.org
2012-08-23 17:16:43 +02:00
Will Deacon f0d1bc4795 ARM: pmu: remove unused reservation mechanism
The PMU reservation mechanism was originally intended to allow OProfile
and perf-events to co-ordinate over access to the CPU PMU. Since then,
OProfile for ARM has moved to using perf as its backend, so the
reservation code is no longer used.

This patch removes the reservation code for the CPU PMU on ARM.

Signed-off-by: Will Deacon <will.deacon@arm.com>
2012-08-23 11:35:51 +01:00
Arnd Bergmann 63487589bf Merge branch 'u300-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into next/cleanup
From Linus Walleij <linus.walleij@linaro.org>

This patch set does a number of cleanups and a minor improvement
to U300, paving the way for single zImage and device tree:

- Deprecate ancient platforms to make the following patches easier to
  make...
- Move out one header to platform data and one to the mach-u300 proper
  to depopulate <mach/*>
- Consolidate core machine files
- Convert to sparse IRQs

* 'u300-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson:
  ARM: u300: convert to sparse IRQs
  ARM: u300: move DMA channel header into mach-u300
  ARM: u300: delete remnant clkdev.h file
  ARM: u300: merge u300.c into core.c and rid headers
  pinctrl/coh901: move header to platform data dir
  pinctrl/coh901: retire ancient GPIO block versions
  ARM: u300: retire ancient platforms

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-08-15 14:46:32 +02:00
Stephen Boyd 89868730a7 ARM: 7490/1: Drop duplicate select for GENERIC_IRQ_PROBE
Seems that Thomas' and my patches collided during the last merge
window.

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-08-15 10:46:51 +01:00
Arnd Bergmann 19ec6caca2 Merge branch 'cleanup/io-pci' into next/cleanups
From Rob Herring <robherring2@gmail.com>:

This is the 2nd part of mach/io.h removals. This series removes io.h on
platforms with PCI by creating a fixed virtual I/O mapping and a common
__io() macro.

This version has changed a bit to accommodate Tegra converting its PCIe
host to a platform driver. Now the virtual space is only reserved during
early boot before .map_io() is called. The mapping is not created until
calling pci_ioremap_io which can be done at any point after vmalloc is
initialized.

I've gone back to fixed 64K windows for each PCI bus. This allows
removing all the i/o resource setup from the individually platforms and
placing it within the common ARM PCI code.

I've only tested versatilepb under qemu (with the model hacked up to
actually enable i/o space), so any testing is appreciated. iop3xx and
mv78xx0 have some risk of breaking as the PCI bus addresses are moved
to 0 from matching the cpu host bus addesss.

* cleanup/io-pci:
  ARM: iop3xx: use fixed PCI i/o mapping
  ARM: mv78xx0: use fixed pci i/o mapping
  ARM: iop13xx: use fixed PCI i/o mapping
  iop13xx: use more regular PCI I/O space handling
  ARM: orion5x: use fixed PCI i/o mapping
  ARM: kirkwood: use fixed PCI i/o mapping
  ARM: dove: use fixed PCI i/o mapping
  ARM: footbridge: use fixed PCI i/o mapping
  ARM: shark: use fixed PCI i/o mapping
  ARM: integrator: remove trailing whitespace on pci_v3.c
  ARM: integrator: use fixed PCI i/o mapping
  ARM: tegra: use fixed PCI i/o mapping
  ARM: versatile: use fixed PCI i/o mapping
  ARM: move PCI i/o resource setup into common code
  ARM: Add fixed PCI i/o mapping
  i2c: iop3xx: use standard gpiolib functions
  i2c: iop3xx: clean-up trailing whitespace

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-08-13 16:56:29 +02:00
Arnd Bergmann 19e4ab54e7 Merge branch 'for-arm-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds into next/drivers
From Bryan Wu <bryan.wu@canonical.com>:

Based on Linus Walleij's ARM LED consolidation work, this patchset introduce a
new generic led trigger for CPU not only for ARM but also for others.

For enabling CPU idle event, CPU arch code should call ledtrig_cpu() stub to
trigger idle start or idle end event.

These patches convert old style LED driver in arch/arm to gpio_led or new led
driver interface. Against 3.5 release and build successfully for all the machines.

Test ledtrig-cpu driver on OMAP4 Panda board.

v9 --> v10
 * fix compiling issue on versatile_defconfig reported by Russell King
 * rebase to 3.5 kernel and move patches to new git tree

v8 --> v9:
 * use mutex to replace rw_sema pointed out by Tim Gardner
 * add a new struct led_trigger_cpu
 * add lock_is_inited to record mutex lock initialization

v6 --> v7:
 * add a patch to unify the led-trigger name
 * fix some typo pointed
 * use BUG_ON to detect CPU numbers during building stage

v5 --> v6:
 * replace  __get_cpu_var() to per_cpu()
 * remove smp_processor_id() which is wrong with for_each_possible_cpu()
 * test on real OMAP4 Panda board
 * add comments about CPU hotplug in the CPU LED trigger driver

v4 --> v5:
 * rebase all the patches on top of latest linux-next
 * replace on_each_cpu() with for_each_possible_cpu()
 * add some description of ledtrig_cpu() API
 * remove old leds code from driver nwflash.c, which should use a new led trigger then
 * this trigger driver can be built as module now

v3 --> v4:
 * fix a typo pointed by Jochen Friedrich
 * fix some building errors
 * add Reviewed-by and Tested-by into patch log

v2 --> v3:
 * almost rewrote the whole ledtrig-cpu driver, which is more simple
 * every CPU will have a per-CPU trigger
 * cpu trigger can be assigned to any leds
 * fix a lockdep issue in led-trigger common code
 * other fix according to review

v1 --> v2:
 * remove select operations in Kconfig of every machines
 * add back supporting of led in core module of mach-integrator
 * solidate name scheme in ledtrig-cpu.c
 * add comments of CPU_LED_* cpu led events
 * fold patches of RealView and Versatile together
 * add machine_is_ check during assabet led driver init
 * add some Acked-by in patch logs
 * remove code for simpad machine in machine-sa11000, since Jochen Friedrich
   introduced gpiolib and gpio-led driver for simpad
 * on Assabet and Netwinder machine, LED operations is reversed like:
   setting bit means turn off leds
   clearing bit means turn on leds
 * add a new function to read CM_CTRL register for led driver

* 'for-arm-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds:
  ARM: use new LEDS CPU trigger stub to replace old one
  ARM: mach-sa1100: retire custom LED code
  ARM: mach-omap1: retire custom LED code
  ARM: mach-pnx4008: remove including old leds event API header file
  ARM: plat-samsung: remove including old leds event API header file
  ARM: mach-pxa: retire custom LED code
  char: nwflash: remove old led event code
  ARM: mach-footbridge: retire custom LED code
  ARM: mach-ebsa110: retire custom LED code
  ARM: mach-clps711x: retire custom LED code of P720T machine
  ARM: mach-integrator: retire custom LED code
  ARM: mach-integrator: move CM_CTRL to header file for accessing by other functions
  ARM: mach-orion5x: convert custom LED code to gpio_led and LED CPU trigger
  ARM: mach-shark: retire custom LED code
  ARM: mach-ks8695: remove leds driver, since nobody use it
  ARM: mach-realview and mach-versatile: retire custom LED code
  ARM: at91: convert old leds drivers to gpio_led and led_trigger drivers
  led-triggers: create a trigger for CPU activity

Conflicts:
	arch/arm/mach-clps711x/p720t.c
	arch/arm/mach-sa1100/leds-cerf.c
	arch/arm/mach-sa1100/leds-lart.c

Let's hope this is the last time we pull this and it doesn't cause
more trouble. I have verified that version 10 causes no build
warnings or errors any more, and the patches still look good.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-08-13 16:45:48 +02:00
Linus Walleij a4fe292fa7 ARM: u300: convert to sparse IRQs
This converts the U300 to use sparse IRQs, which is simple now
that the number of machines are reduced.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-08-13 13:53:07 +02:00
Stephen Boyd f1898f6be9 ARM: 7484/1: Don't enable GENERIC_LOCKBREAK with ticket spinlocks
Now that ARM has implemented its spinlocks with tickets we don't
need to use the generic lockbreak algorithm. Remove the Kconfig
from ARM so that we use the arch_spin_is_contended() definition
from the asm header. This also saves a word in each lock because
we don't need the break_lock member anymore.

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-08-11 09:15:58 +01:00
Stefano Stabellini eff8d6447d xen/arm: introduce CONFIG_XEN on ARM
Changes in v5:

- make XEN_DOM0 depend on XEN;
- avoid "select XEN_DOM0" in XEN.


Changes in v2:

- mark Xen guest support on ARM as EXPERIMENTAL.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
CC: Sergei Shtylyov <sshtylyov@mvista.com>
2012-09-17 14:58:17 +00:00
Linus Torvalds 44d82e2963 ARM: arm-soc Marvell Orion device-tree updates
This branch contains a set of device-tree conversions for Marvell Orion
 platforms that were staged early but took a few tries to get the branch
 into a format where it was suitable for us to pick up.
 
 Given that most people working on these platforms are hobbyists with
 limited time, we were a bit more flexible with merging it even though
 it came in late.
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Merge tag 'dt2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm-soc Marvell Orion device-tree updates from Olof Johansson:
 "This contains a set of device-tree conversions for Marvell Orion
  platforms that were staged early but took a few tries to get the
  branch into a format where it was suitable for us to pick up.

  Given that most people working on these platforms are hobbyists with
  limited time, we were a bit more flexible with merging it even though
  it came in late."

* tag 'dt2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (21 commits)
  ARM: Kirkwood: Replace mrvl with marvell
  ARM: Kirkwood: Describe GoFlex Net LEDs and SATA in DT.
  ARM: Kirkwood: Describe Dreamplug LEDs in DT.
  ARM: Kirkwood: Describe iConnects LEDs in DT.
  ARM: Kirkwood: Describe iConnects temperature sensor in DT.
  ARM: Kirkwood: Describe IB62x0 LEDs in DT.
  ARM: Kirkwood: Describe IB62x0 gpio-keys in DT.
  ARM: Kirkwood: Describe DNS32? gpio-keys in DT.
  ARM: Kirkwood: Move common portions into a kirkwood-dnskw.dtsi
  ARM: Kirkwood: Replace DNS-320/DNS-325 leds with dt bindings
  ARM: Kirkwood: Describe DNS325 temperature sensor in DT.
  ARM: Kirkwood: Use DT to configure SATA device.
  ARM: kirkwood: use devicetree for SPI on dreamplug
  ARM: kirkwood: Add LS-XHL and LS-CHLv2 support
  ARM: Kirkwood: Initial DTS support for Kirkwood GoFlex Net
  ARM: Kirkwood: Add basic device tree support for QNAP TS219.
  ATA: sata_mv: Add device tree support
  ARM: Orion: DTify the watchdog timer.
  ARM: Orion: Add arch support needed for I2C via DT.
  ARM: kirkwood: use devicetree for orion-spi
  ...

Conflicts:
	drivers/watchdog/orion_wdt.c
2012-08-02 11:50:24 -07:00
Bryan Wu fa8bbb13ab ARM: use new LEDS CPU trigger stub to replace old one
Cc:  Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
2012-08-01 11:22:14 +08:00
Linus Torvalds 27c1ee3f92 Merge branch 'akpm' (Andrew's patch-bomb)
Merge Andrew's first set of patches:
 "Non-MM patches:

   - lots of misc bits

   - tree-wide have_clk() cleanups

   - quite a lot of printk tweaks.  I draw your attention to "printk:
     convert the format for KERN_<LEVEL> to a 2 byte pattern" which
     looks a bit scary.  But afaict it's solid.

   - backlight updates

   - lib/ feature work (notably the addition and use of memweight())

   - checkpatch updates

   - rtc updates

   - nilfs updates

   - fatfs updates (partial, still waiting for acks)

   - kdump, proc, fork, IPC, sysctl, taskstats, pps, etc

   - new fault-injection feature work"

* Merge emailed patches from Andrew Morton <akpm@linux-foundation.org>: (128 commits)
  drivers/misc/lkdtm.c: fix missing allocation failure check
  lib/scatterlist: do not re-write gfp_flags in __sg_alloc_table()
  fault-injection: add tool to run command with failslab or fail_page_alloc
  fault-injection: add selftests for cpu and memory hotplug
  powerpc: pSeries reconfig notifier error injection module
  memory: memory notifier error injection module
  PM: PM notifier error injection module
  cpu: rewrite cpu-notifier-error-inject module
  fault-injection: notifier error injection
  c/r: fcntl: add F_GETOWNER_UIDS option
  resource: make sure requested range is included in the root range
  include/linux/aio.h: cpp->C conversions
  fs: cachefiles: add support for large files in filesystem caching
  pps: return PTR_ERR on error in device_create
  taskstats: check nla_reserve() return
  sysctl: suppress kmemleak messages
  ipc: use Kconfig options for __ARCH_WANT_[COMPAT_]IPC_PARSE_VERSION
  ipc: compat: use signed size_t types for msgsnd and msgrcv
  ipc: allow compat IPC version field parsing if !ARCH_WANT_OLD_COMPAT_IPC
  ipc: add COMPAT_SHMLBA support
  ...
2012-07-30 17:25:34 -07:00
Will Deacon c1d7e01d78 ipc: use Kconfig options for __ARCH_WANT_[COMPAT_]IPC_PARSE_VERSION
Rather than #define the options manually in the architecture code, add
Kconfig options for them and select them there instead.  This also allows
us to select the compat IPC version parsing automatically for platforms
using the old compat IPC interface.

Reported-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-30 17:25:21 -07:00
Catalin Marinas 7463449b82 atomic64_test: simplify the #ifdef for atomic64_dec_if_positive() test
Introduce CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE and use this instead
of the multitude of #if defined() checks in atomic64_test.c

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-30 17:25:16 -07:00
Linus Torvalds 9ec97169e7 Merge branch 'for-3.6' of git://gitorious.org/linux-pwm/linux-pwm
Pull PWM subsystem from Thierry Reding:
 "The new PWM subsystem aims at collecting all implementations of the
  legacy PWM API and to eventually replace it completely.

  The subsystem has been in development for over half a year now and
  many drivers have already been converted.  It has been in linux-next
  for a couple of weeks and there have been no major issues so I think
  it is ready for inclusion in your tree."

Arnd Bergmann <arnd@arndb.de>:
 "Very much Ack on the new subsystem.  It uses the interface
  declarations as the previously separate pwm drivers, so nothing
  changes for now in the drivers using it, although it enables us to
  change those more easily in the future if we want to.

  This work is also one of the missing pieces that are required to
  eventually build ARM kernels for multiple platforms, which is
  currently prohibited (amongs other things) by the fact that you cannot
  have more than one driver exporting the pwm functions."

Tested-and-acked-by: Alexandre Courbot <acourbot@nvidia.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Philip, Avinash <avinashphilip@ti.com> # TI's AM33xx platforms
Acked-By: Alexandre Pereira da Silva <aletes.xgr@gmail.com> # LPC32XX
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Sachin Kamat <sachin.kamat@linaro.org>

Fix up trivial conflicts with other cleanups and DT updates.

* 'for-3.6' of git://gitorious.org/linux-pwm/linux-pwm: (36 commits)
  pwm: pwm-tiehrpwm: PWM driver support for EHRPWM
  pwm: pwm-tiecap: PWM driver support for ECAP APWM
  pwm: fix used-uninitialized warning in pwm_get()
  pwm: add lpc32xx PWM support
  pwm_backlight: pass correct brightness to callback
  pwm: Use pr_* functions in pwm-samsung.c file
  pwm: Convert pwm-samsung to use devm_* APIs
  pwm: Convert pwm-tegra to use devm_clk_get()
  pwm: pwm-mxs: Return proper error if pwmchip_remove() fails
  pwm: pwm-bfin: Return proper error if pwmchip_remove() fails
  pwm: pxa: Propagate pwmchip_remove() error
  pwm: Convert pwm-pxa to use devm_* APIs
  pwm: Convert pwm-vt8500 to use devm_* APIs
  pwm: Convert pwm-imx to use devm_* APIs
  pwm: Conflict with legacy PWM API
  pwm: pwm-mxs: add pinctrl support
  pwm: pwm-mxs: use devm_* managed functions
  pwm: pwm-mxs: use global reset function stmp_reset_block
  pwm: pwm-mxs: encode soc name in compatible string
  pwm: Take over maintainership of the PWM subsystem
  ...
2012-07-30 09:22:37 -07:00
Linus Torvalds cea8f46c36 Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-arm
Pull ARM updates from Russell King:
 "First ARM push of this merge window, post me coming back from holiday.
  This is what has been in linux-next for the last few weeks.  Not much
  to say which isn't described by the commit summaries."

* 'for-linus' of git://git.linaro.org/people/rmk/linux-arm: (32 commits)
  ARM: 7463/1: topology: Update cpu_power according to DT information
  ARM: 7462/1: topology: factorize the update of sibling masks
  ARM: 7461/1: topology: Add arch_scale_freq_power function
  ARM: 7456/1: ptrace: provide separate functions for tracing syscall {entry,exit}
  ARM: 7455/1: audit: move syscall auditing until after ptrace SIGTRAP handling
  ARM: 7454/1: entry: don't bother with syscall tracing on ret_from_fork path
  ARM: 7453/1: audit: only allow syscall auditing for pure EABI userspace
  ARM: 7452/1: delay: allow timer-based delay implementation to be selected
  ARM: 7451/1: arch timer: implement read_current_timer and get_cycles
  ARM: 7450/1: dcache: select DCACHE_WORD_ACCESS for little-endian ARMv6+ CPUs
  ARM: 7449/1: use generic strnlen_user and strncpy_from_user functions
  ARM: 7448/1: perf: remove arm_perf_pmu_ids global enumeration
  ARM: 7447/1: rwlocks: remove unused branch labels from trylock routines
  ARM: 7446/1: spinlock: use ticket algorithm for ARMv6+ locking implementation
  ARM: 7445/1: mm: update CONTEXTIDR register to contain PID of current process
  ARM: 7444/1: kernel: add arch-timer C3STOP feature
  ARM: 7460/1: remove asm/locks.h
  ARM: 7439/1: head.S: simplify initial page table mapping
  ARM: 7437/1: zImage: Allow DTB command line concatenation with ATAG_CMDLINE
  ARM: 7436/1: Do not map the vectors page as write-through on UP systems
  ...
2012-07-27 15:14:26 -07:00
Russell King 91b006def3 Merge branches 'audit', 'delay', 'fixes', 'misc' and 'sta2x11' into for-linus 2012-07-27 23:06:32 +01:00
Andrew Lunn 278b45b06b ARM: Orion: DT support for IRQ and GPIO Controllers
Both IRQ and GPIO controllers can now be represented in DT.  The IRQ
controllers are setup first, and then the GPIO controllers. Interrupts
for GPIO lines are placed directly after the main interrupts in the
interrupt space.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@googlemail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Tested-by: Josh Coombs <josh.coombs@gmail.com>
Tested-by: Simon Baatz <gmbnomis@gmail.com>
2012-07-27 16:48:14 +02:00
Rob Herring dd9bf78040 ARM: iop3xx: use fixed PCI i/o mapping
Move iop33x and iop32x PCI to fixed i/o mapping and remove io.h. This
changes the PCI bus addresses from the cpu address to 0 based. It appears
that there is translation h/w for this, but its untested.

Not sure what to do with io_offset. I think it should always be 0.
AFAICT, PCI setup is skipped if the ATU is already setup.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
2012-07-26 09:10:04 -05:00
Rob Herring 0b9b18e016 ARM: mv78xx0: use fixed pci i/o mapping
Move mv78xx0 PCI to fixed i/o mapping and remove io.h. This changes the PCI
bus addresses from the cpu address to 0 based. It appears that there is
translation h/w for this, but its untested.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
2012-07-26 09:10:03 -05:00
Rob Herring e7adf1e0a5 ARM: iop13xx: use fixed PCI i/o mapping
Move iop13xx PCI to fixed i/o mapping and remove io.h.

This changes the PCIe bus address to start at 0x10000. Let's hope this
works. If it does not, the alternative would be to revert the value we
write into OIOTVR to zero and set sys->io_offset to 64K.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
2012-07-26 09:10:02 -05:00
Rob Herring 0a4b8c6546 ARM: orion5x: use fixed PCI i/o mapping
Move orion5x PCI to fixed i/o mapping and remove io.h.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Lennert Buytenhek <kernel@wantstofly.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
2012-07-26 09:10:01 -05:00
Rob Herring 2bb080851a ARM: kirkwood: use fixed PCI i/o mapping
Move kirkwood PCI to fixed i/o mapping and remove io.h.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Lennert Buytenhek <kernel@wantstofly.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Cc: Jason Cooper <jason@lakedaemon.net>
Tested-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
2012-07-26 09:10:01 -05:00
Rob Herring d191bb6961 ARM: dove: use fixed PCI i/o mapping
The i/o regions are changed from 1MB to 64KB. It's likely that the 2nd
bus is not setup correctly.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
2012-07-26 09:10:00 -05:00
Rob Herring 8ef6e6201b ARM: footbridge: use fixed PCI i/o mapping
Move footbridge PCI to fixed i/o mapping. io.h is still needed for the
!MMU case.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Russell King <linux@arm.linux.org.uk>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
2012-07-26 09:09:59 -05:00
Rob Herring c04dc9a6bf ARM: shark: use fixed PCI i/o mapping
Convert shark to use the fixed i/o mapping and remove io.h.

This shrinks the mapping from 256MB to 1MB, but nothing is using that much
space AFAICT.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Russell King <linux@arm.linux.org.uk>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
2012-07-26 09:09:58 -05:00
Rob Herring 68ef63227b ARM: integrator: use fixed PCI i/o mapping
Move integrator PCI to fixed i/o mapping and remove io.h.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
2012-07-26 09:09:57 -05:00
Rob Herring d94c7a04b8 ARM: tegra: use fixed PCI i/o mapping
Move tegra PCI to fixed i/o mapping and remove io.h.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Colin Cross <ccross@android.com>
Cc: Olof Johansson <olof@lixom.net>
Acked-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
2012-07-26 09:09:56 -05:00
Rob Herring fe50517542 ARM: versatile: use fixed PCI i/o mapping
Move versatile PCI to fixed i/o mapping and remove io.h.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
2012-07-26 09:09:56 -05:00
Pawel Moll 49121304a9 ARM: versatile: Don't use platform clock for Integrator & VE
Due to automatic merge of a613163dff
"ARM: integrator: convert to common clock" and
56a34b03ff "ARM: versatile: Make
plat-versatile clock optional" two platforms: Integrator and
Versatile Express now select both COMMON_CLK and
PLAT_VERSATILE_CLOCK which breaks building them. Fixed now.

Signed-off-by: Pawel Moll <pawel.moll@arm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-07-25 14:37:57 +02:00
Linus Torvalds 9161c3b796 The common clk framework changes for 3.6 include a small number of core
framework improvments, platform ports and new DT bindings.
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Merge tag 'clk-for-linus' of git://git.linaro.org/people/mturquette/linux

Pull common clk framework changes from Michael Turquette:
 "This includes a small number of core framework improvments, platform
  ports and new DT bindings."

Fix up trivial conflicts in drivers/clk/Makefile

* tag 'clk-for-linus' of git://git.linaro.org/people/mturquette/linux: (21 commits)
  clk: fix compile for OF && !COMMON_CLK
  clk: fix clk_get on of_clk_get_by_name return check
  clk: mxs: clk_register_clkdev mx28 usb clocks
  clk: add highbank clock support
  dt: add clock binding doc to primecell bindings
  clk: add DT fixed-clock binding support
  clk: add DT clock binding support
  ARM: integrator: convert to common clock
  clk: add versatile ICST307 driver
  ARM: integrator: put symbolic bus names on devices
  ARM: u300: convert to common clock
  clk: cache parent clocks only for muxes
  clk: wm831x: Add initial WM831x clock driver
  clk: Constify struct clk_init_data
  clk: Add CLK_IS_BASIC flag to identify basic clocks
  clk: Add support for rate table based dividers
  clk: Add support for power of two type dividers
  clk: mxs: imx28: decrease the frequency of ref_io1 for SSP2 and SSP3
  clk: mxs: add clkdev lookup for pwm
  clk: mxs: Fix the GPMI clock name
  ...
2012-07-24 16:40:57 -07:00
Linus Torvalds e81218f5f0 arm-soc: pincontrol drivers
We are converting platforms to use the pinctrl framework over time,
 rather than using platform specific code for the same effect. This
 adds the respective driver for the prima2 platform.
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Merge tag 'pinctrl' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm-soc pincontrol drivers update from Arnd Bergmann:
 "We are converting platforms to use the pinctrl framework over time,
  rather than using platform specific code for the same effect.  This
  adds the respective driver for the prima2 platform."

* tag 'pinctrl' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: prima2: enable gpiolib unconditionally
  PINCTRL: SiRF: add GPIO and GPIO irq support in CSR SiRFprimaII
2012-07-23 17:36:53 -07:00
Linus Torvalds 3645f0cd96 arm-soc: sparse IRQ conversion
The I.MX platform is getting converted to use sparse IRQs. We are doing
 this for all platforms over time, because this is one of the
 requirements for building a multiplatform kernel, and generally a good
 idea.
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Merge tag 'irq' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm-soc sparse IRQ conversion from Arnd Bergmann:
 "The I.MX platform is getting converted to use sparse IRQs.  We are
  doing this for all platforms over time, because this is one of the
  requirements for building a multiplatform kernel, and generally a good
  idea."

* tag 'irq' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: imx: select USE_OF
  ARM: imx: Fix build error due to missing irqs.h include
  ARM: imx: enable SPARSE_IRQ for imx platform
  ARM: fiq: change FIQ_START to a variable
  tty: serial: imx: remove the use of MXC_INTERNAL_IRQS
  ARM: imx: remove unneeded mach/irq.h inclusion
  i2c: imx: remove unneeded mach/irqs.h inclusion
  ARM: imx: add a legacy irqdomain for mx31ads
  ARM: imx: add a legacy irqdomain for 3ds_debugboard
  ARM: imx: pass gpio than irq number into mxc_expio_init
  ARM: imx: leave irq_base of wm8350_platform_data uninitialized
  dma: ipu: remove the use of ipu_platform_data
  ARM: imx: move irq_domain_add_legacy call into avic driver
  ARM: imx: move irq_domain_add_legacy call into tzic driver
  gpio/mxc: move irq_domain_add_legacy call into gpio driver
  ARM: imx: eliminate macro IRQ_GPIOx()
  ARM: imx: eliminate macro IOMUX_TO_IRQ()
  ARM: imx: eliminate macro IMX_GPIO_TO_IRQ()
2012-07-23 17:36:02 -07:00
Linus Torvalds f1d2c07d33 arm-soc: board specific updates
These changes are all for individual board files. In the long run, those
 files will largely go away, and the amount of changes appears to be
 continuously decreasing, which is a good sign. This time around, changes
 are focused on tegra, omap and samsung.
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Merge tag 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm-soc board specific updates from Arnd Bergmann:
 "These changes are all for individual board files.  In the long run,
  those files will largely go away, and the amount of changes appears to
  be continuously decreasing, which is a good sign.  This time around,
  changes are focused on tegra, omap and samsung."

Fix conflicts in arch/arm/mach-{omap2/common-board-devices.c,tegra/Makefile.boot}
as per the 'for-linus' branch.

* tag 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (39 commits)
  ARM: EXYNOS: Add leds status1 and status2 on Origen board
  ARM: S3C64XX: Mark most Cragganmore initdata devinitdata
  ARM: EXYNOS: Add missing .reserve field to SMDKC210
  ARM: EXYNOS: Add DRM device to SMDK4X12 board
  ARM: S3C64XX: Clean up after SPI driver platform data updates
  ARM: SAMSUNG: no need to set the value for clk_xusbxti when it is 24Mhz
  ARM: EXYNOS: Add framebuffer support for SMDK4X12
  ARM: EXYNOS: Add HSOTG support to SMDK4X12
  ARM: S5PV210: Add audio platform device in Goni board
  ARM: S5PV210: Add audio platform device in Aquila board
  ARM: EXYNOS: Add audio platform device in SMDKV310 board
  ARM: S3C64XX: Don't specify an irq_base for WM1192-EV1 board
  ARM: OMAP3: Fix omap3evm randconfig error introduced by VBUS support
  ARM: OMAP: board-omap4panda: MUX configuration for sys_nirq2
  ARM: OMAP: board-4430sdp: MUX configuration for sys_nirq2
  ARM: OMAP3530evm: set pendown_state and debounce time for ads7846
  ARM: omap3evm: enable VBUS switch for EHCI tranceiver
  ARM: OMAP3EVM: Adding USB internal LDOs board file
  ARM: OMAP3EVM: Add NAND flash definition
  ARM: OMAP3: cm-t35: add tvp5150 decoder support
  ...
2012-07-23 17:34:48 -07:00
Linus Torvalds f01b9b73f5 arm-soc: new SoC support
This adds support for three new SoC types:
 * The mvebu platform includes Marvell's Armada XP and Armada 370 chips,
   made by the mvebu business unit inside of Marvell. Since the same
   group also made the older but similar platforms we call "orion5x",
   "kirkwood", "mv78xx0" and "dove", we plan to move all of them into
   the mach-mvebu directory in the future.
 * socfpga is Altera's platform based on Cortex-A9 cores and a lot of
   FPGA space. This is similar to the Xilinx zynq platform we already
   support. The code is particularly clean, which is helped by the fact
   that the hardware doesn't do much besides the parts that are
   expected to get added in the FPGA.
 * The OMAP subarchitecture gains support for the latest generation,
   the OMAP5 based on the new Cortex-A15 core. Support is rather
   rudimentary for now, but will be extended in the future.
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Merge tag 'newsoc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull support for three new arm SoC types from Arnd Bergmann:

 - The mvebu platform includes Marvell's Armada XP and Armada 370 chips,
   made by the mvebu business unit inside of Marvell.  Since the same
   group also made the older but similar platforms we call "orion5x",
   "kirkwood", "mv78xx0" and "dove", we plan to move all of them into
   the mach-mvebu directory in the future.

 - socfpga is Altera's platform based on Cortex-A9 cores and a lot of
   FPGA space.  This is similar to the Xilinx zynq platform we already
   support.  The code is particularly clean, which is helped by the fact
   that the hardware doesn't do much besides the parts that are expected
   to get added in the FPGA.

 - The OMAP subarchitecture gains support for the latest generation, the
   OMAP5 based on the new Cortex-A15 core.  Support is rather
   rudimentary for now, but will be extended in the future.

* tag 'newsoc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (25 commits)
  ARM: socfpga: initial support for Altera's SOCFPGA platform
  arm: mvebu: generate DTBs for supported SoCs
  ARM: mvebu: MPIC: read number of interrupts from control register
  arm: mach-mvebu: add entry to MAINTAINERS
  arm: mach-mvebu: add compilation/configuration change
  arm: mach-mvebu: add defconfig
  arm: mach-mvebu: add documentation for new device tree bindings
  arm: mach-mvebu: add support for Armada 370 and Armada XP with DT
  arm: mach-mvebu: add source files
  arm: mach-mvebu: add header
  clocksource: time-armada-370-xp: Marvell Armada 370/XP SoC timer driver
  ARM: Kconfig update to support additional GPIOs in OMAP5
  ARM: OMAP5: Add the build support
  arm/dts: OMAP5: Add omap5 dts files
  ARM: OMAP5: board-generic: Add device tree support
  ARM: omap2+: board-generic: clean up the irq data from board file
  ARM: OMAP5: Add SMP support
  ARM: OMAP5: Add the WakeupGen IP updates
  ARM: OMAP5: l3: Add l3 error handler support for omap5
  ARM: OMAP5: gpmc: Update gpmc_init()
  ...

Conflicts:
	Documentation/devicetree/bindings/arm/omap/omap.txt
	arch/arm/mach-omap2/Makefile
	drivers/clocksource/Kconfig
	drivers/clocksource/Makefile
2012-07-23 16:31:31 -07:00
Linus Torvalds 1a4120bc10 arm-soc: timer updates
This contains two branches dealing with timers, one for the picoxcell
 platform that is now using DT with the platform-independent
 dw_apb_timer driver. The other change is for the omap-specific
 dmtimer driver.
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Merge tag 'timer' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm-soc timer updates from Arnd Bergmann:
 "This contains two branches dealing with timers, one for the picoxcell
  platform that is now using DT with the platform-independent
  dw_apb_timer driver.  The other change is for the omap-specific
  dmtimer driver."

* tag 'timer' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  clocksource: dw_apb_timer: Add common DTS glue for dw_apb_timer
  ARM: OMAP2+: Simplify dmtimer clock aliases
  ARM: OMAP2+: Move dmtimer clock set function to dmtimer driver
  ARM: OMAP1: Fix dmtimer support
  ARM: OMAP: Add flag to indicate if a timer needs a manual reset
  ARM: OMAP: Remove timer function pointer for context loss counter
  ARM: OMAP: Remove loses_context variable from timer platform data
  ARM: OMAP2+: Fix external clock support for dmtimers
  ARM: OMAP2+: HWMOD: Correct timer device attributes
  ARM: OMAP: Add DMTIMER capability variable to represent timer features
  ARM: OMAP2+: Add dmtimer platform function to reserve systimers
  ARM: OMAP2+: Remove unused max number of timers definition
  ARM: OMAP: Remove unnecessary clk structure
2012-07-23 16:21:23 -07:00
Linus Torvalds 5e512d0785 arm-soc: soc-specific updates
This is stuff that does not fit well into another category and in
 particular is not related to a particular board. The largest part
 in here is extending the am33xx support in the omap platform.
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Merge tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm soc-specific updates from Arnd Bergmann:
 "This is stuff that does not fit well into another category and in
  particular is not related to a particular board.  The largest part in
  here is extending the am33xx support in the omap platform."

Fix up trivial conflicts in arch/arm/mach-{imx/mach-mx35_3ds.c, tegra/Makefile}

* tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (74 commits)
  ARM: LPC32xx: Add PWM support
  ARM: LPC32xx: Add PWM clock
  ARM: LPC32xx: Set system serial based on cpu unique id
  ARM: vexpress: Config option for early printk console
  ARM: vexpress: Add Device Tree for V2P-CA15_CA7 core tile
  ARM: vexpress: Convert V2P-CA15 Device Tree to 64 bit addresses
  ARM: vexpress: Add fixed regulator for SMSC
  ARM: vexpress: Add missing SP804 interrupt in motherboard's DTS files
  ARM: vexpress: Initial common clock support
  ARM: SAMSUNG: Introduce Kconfig variable for Samsung custom clk API
  ARM: EXYNOS: Add missing static storage class specifier in pmu.c file
  ARM: EXYNOS: Make combiner_init function static
  ARM: EXYNOS: Update HSOTG PHY clock setting for EXYNOS4X12
  ARM: versatile: Make plat-versatile clock optional
  ARM: vexpress: Check master site in daughterboard's sysctl operations
  ARM: vexpress: remove automatic errata workaround selection
  ARM: LPC32xx: Adjust to pl08x DMA interface changes
  ARM: EXYNOS: Clear SYS_WDTRESET bit to use watchdog reset
  ARM: imx: fix mx51 ehci setup errors
  ARM: imx: make ehci power/oc polarities configurable
  ...
2012-07-23 16:08:40 -07:00
Arnd Bergmann 233de298cb Merge branch 'lpc32xx/core2' of git://git.antcom.de/linux-2.6 into next/soc
From Roland Stigge <stigge@antcom.de>:
this LPC32xx core update (branch lpc32xx/core2) builds upon the
previously provided lpc32xx/core-fixes. Basically including PWM support
(for the PWM driver from Alexandre already in the pwm tree), and
CPU ID.

* 'lpc32xx/core2' of git://git.antcom.de/linux-2.6:
  ARM: LPC32xx: Add PWM support
  ARM: LPC32xx: Add PWM clock
  ARM: LPC32xx: Set system serial based on cpu unique id

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-07-21 00:15:59 +02:00
Alexandre Pereira da Silva c49a183086 ARM: LPC32xx: Add PWM support
This SoC has two PWM channels

Signed-off-by: Alexandre Pereira da Silva <aletes.xgr@gmail.com>
Signed-off-by: Roland Stigge <stigge@antcom.de>
2012-07-20 14:01:51 +02:00
Dinh Nguyen 66314223aa ARM: socfpga: initial support for Altera's SOCFPGA platform
Adding core definitions for Altera's SOCFPGA ARM platform.
Mininum support for Altera's SOCFPGA Cyclone 5 hardware.

Signed-off-by: Dinh Nguyen <dinguyen@altera.com>
Reviewed-by: Pavel Machek <pavel@denx.de>
Reviewed-by: Rob Herring <rob.herring@calxeda.com>
Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-07-19 10:39:00 +02:00
Arnd Bergmann ff60914362 Merge branch 'vexpress-v3.5-rc6' of git://git.linaro.org/people/pawelmoll/linux into next/soc
From Pawel Moll <pawel.moll@arm.com>:

Versatile Express updates for v3.6

* 'vexpress-v3.5-rc6' of git://git.linaro.org/people/pawelmoll/linux:
  ARM: vexpress: Config option for early printk console
  ARM: vexpress: Add Device Tree for V2P-CA15_CA7 core tile
  ARM: vexpress: Convert V2P-CA15 Device Tree to 64 bit addresses
  ARM: vexpress: Add fixed regulator for SMSC
  ARM: vexpress: Add missing SP804 interrupt in motherboard's DTS files
  ARM: vexpress: Initial common clock support
  ARM: versatile: Make plat-versatile clock optional
  ARM: vexpress: Check master site in daughterboard's sysctl operations
  ARM: vexpress: remove automatic errata workaround selection

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-07-13 18:46:58 +02:00
Pawel Moll b2a54ff03c ARM: vexpress: Add fixed regulator for SMSC
SMSC driver requires "vdd33a" and "vddvario" regulator supplies now.

Add fixed regulator describing 3V3 power line (in both motherboard's
Device Trees and the non-DT code) and force fixed regulator config
option if regulators framework is enabled.

Signed-off-by: Pawel Moll <pawel.moll@arm.com>
2012-07-13 11:48:28 +01:00
Pawel Moll d1b8a775fd ARM: vexpress: Initial common clock support
This patch makes Versatile Express use the common clock framework
instead of the plat-versatile implementation.

It defines clock provider for VE's OSCs (clock generators) and
registers all required fixed and variable clock sources (for both
motherboard and core tile).

This is a simple conversion of the existing state and will be
extended (and migrated to drivers/clk) in the near future.

Signed-off-by: Pawel Moll <pawel.moll@arm.com>
2012-07-13 11:48:16 +01:00
Dinh Nguyen cfda590178 clocksource: dw_apb_timer: Add common DTS glue for dw_apb_timer
Make a common device tree glue for clocksource/dw_apb_timer.
Move mach-picoxcell/time.c to be a generic device tree application
of the dw_apb_timer.

Configure mach-picoxcell to use the dw_apb_timer_of device tree
implementation in drivers/clocksource.

Signed-off-by: Pavel Machek <pavel@denx.de>
Signed-off-by: Dinh Nguyen <dinguyen@altera.com>
Acked-by: Jamie Iles <jamie@jamieiles.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-07-12 17:26:09 +02:00
Pawel Moll 56a34b03ff ARM: versatile: Make plat-versatile clock optional
... in preparation for common clock coming for Integrator
and Versatile Express.

Based on Linus Walleij's "ARM: integrator: convert to common
clock" patch.

Signed-off-by: Pawel Moll <pawel.moll@arm.com>
2012-07-12 16:16:56 +01:00
Rob Herring 8d4d9f5208 clk: add highbank clock support
This adds real clock support to Calxeda Highbank SOC using the common
clock infrastructure.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
[mturquette@linaro.org: fixed up invalid writes to const struct member]
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2012-07-11 17:58:47 -07:00
Linus Walleij a613163dff ARM: integrator: convert to common clock
This converts the Integrator platform to use common clock
and the ICST driver. Since from this point not all ARM
reference platforms use the clock, we define
CONFIG_PLAT_VERSATILE_CLOCK and select it for all platforms
except the Integrator.

Open issue: I could not use the .init_early() field of the
machine descriptor to initialize the clocks, but had to
move them to .init_irq(), so presumably .init_early() is
so early that common clock is not up, and .init_machine()
is too late since it's needed for the clockevent/clocksource
initialization. Any suggestions on how to solve this is
very welcome.

Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
[mturquette@linaro.org: use 'select' instead of versatile Kconfig]
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2012-07-11 17:58:45 -07:00
Linus Walleij 50667d6308 ARM: u300: convert to common clock
This converts the U300 clock implementation over to use the common
struct clk and moves the implementation down into drivers/clk.
Since VCO isn't used in tree it was removed, it's not hard to
put it back in if need be.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
[mturquette@linaro.org: trivial Makefile conflict]
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2012-07-11 15:36:45 -07:00
Arnd Bergmann 0dc1951043 Linux 3.5-rc6
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Merge tag 'v3.5-rc6' into next/soc

Linux 3.5-rc6

Dependency for imx/soc changes
2012-07-11 12:50:20 +02:00
Arnd Bergmann 0e3585113f Merge branch 'devel-omap5' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/newsoc
From Tony Lindgren <tony@atomide.com>:

This branch contains minimal support for omap5 to boot to a
console without clock framework support. This branch depends
on omap-cleanup-part2-for-v3.6.

* 'devel-omap5' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: Kconfig update to support additional GPIOs in OMAP5
  ARM: OMAP5: Add the build support
  arm/dts: OMAP5: Add omap5 dts files
  ARM: OMAP5: board-generic: Add device tree support
  ARM: omap2+: board-generic: clean up the irq data from board file
  ARM: OMAP5: Add SMP support
  ARM: OMAP5: Add the WakeupGen IP updates
  ARM: OMAP5: l3: Add l3 error handler support for omap5
  ARM: OMAP5: gpmc: Update gpmc_init()
  ARM: OMAP5: timer: Add clocksource, clockevent support
  ARM: OMAP5: Add minimal support for OMAP5430 SOC
  ARM: OMAP5: id: Add cpu id for ES versions
  ARM: OMAP: counter-32k: Select the CR register offset using the IP scheme
  ARM: OMAP2+: Move stubbed secure_sram_reserve function to a common.c and call it __weak

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-07-10 17:43:22 +02:00
Gregory CLEMENT 3e93a22b48 arm: mach-mvebu: add compilation/configuration change
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Lior Amsalem <alior@marvell.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Yehuda Yitschak <yehuday@marvell.com>
Tested-by: Lior Amsalem <alior@marvell.com>
2012-07-10 15:47:51 +02:00
Will Deacon b9a50f7490 ARM: 7450/1: dcache: select DCACHE_WORD_ACCESS for little-endian ARMv6+ CPUs
DCACHE_WORD_ACCESS uses the word-at-a-time API for optimised string
comparisons in the vfs layer.

This patch implements support for load_unaligned_zeropad for ARM CPUs
with native support for unaligned memory accesses (v6+) when running
little-endian.

Reviewed-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-07-09 17:41:11 +01:00
Will Deacon 8c56cc8be5 ARM: 7449/1: use generic strnlen_user and strncpy_from_user functions
This patch implements the word-at-a-time interface for ARM using the
same algorithm as x86. We use the fls macro from ARMv5 onwards, where
we have a clz instruction available which saves us a mov instruction
when targetting Thumb-2. For older CPUs, we use the magic 0x0ff0001
constant. Big-endian configurations make use of the implementation from
asm-generic.

With this implemented, we can replace our byte-at-a-time strnlen_user
and strncpy_from_user functions with the optimised generic versions.

Reviewed-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-07-09 17:41:11 +01:00
Genoud Richard d0f34a11dd ARM: 7437/1: zImage: Allow DTB command line concatenation with ATAG_CMDLINE
This patch allows the ATAG_CMDLINE provided by the bootloader to be
concatenated to the bootargs property of the device tree.

This is useful to merge static values defined in the device tree
with the boot loader's (possibly) more dynamic values, such as
startup reasons and more.

The bootloader should use the device tree to pass those values to
the kernel, but that's not always simple (old bootloader or very
small one).

The behaviour is the same as the one introduced by Victor Boivie in
4394c12442 by extending the CONFIG_CMDLINE.

Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Tested-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-07-09 17:39:39 +01:00
Tarun Kanti DebBarma 39f47d9f43 ARM: Kconfig update to support additional GPIOs in OMAP5
OMAP5 has 8 GPIO banks so that there are 32x8 = 256 GPIOs.
In order for the gpiolib to detect and initialize these
additional GPIOs and other TWL GPIOs, ARCH_NR_GPIO is set
to 512 instead of present 256.

Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: Cousson, Benoit <b-cousson@ti.com>
Reported-by: Govindraj.R <govindraj.raja@ti.com>
Tested-by: Govindraj.R <govindraj.raja@ti.com>
Signed-off-by: Tarun Kanti DebBarma <tarun.kanti@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
2012-07-09 19:14:40 +05:30
Arnd Bergmann efab093481 Merge branch 'for-3.6/boards' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/boards
From Stephen Warren <swarren@wwwdotorg.org>
This branch contains changes to Tegra board files, and related Kconfig and
Makefile changes. Highlights include:

* Removal of Seaboard/Springbank board files; these boards can now only be
  used with device tree.

* Use of small parts of some non-DT board files from the DT board files. This
  enables all features that the non-DT board files have, when booting from DT.
  This will allow almost complete removal of all non-DT board files in v3.7.

* Other miscellaneous changes.

This branch is based on Tegra's for-3.6/cleanup branch from a previous pull
request.

* 'for-3.6/boards' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
  ARM: tegra: use of_default_bus_match_table
  ARM: tegra: add device tree AUXDATA for APBDMA
  ARM: tegra: paz00: enable WiFi rfkill when booting from device tree
  ARM: tegra: harmony: init regulators, PCIe when booting from DT
  ARM: tegra: trimslice: enable PCIe when booting from device tree
  ARM: tegra: remove Seaboard board files
  ARM: tegra: remove CONFIG_MACH_TEGRA_DT
  ARM: tegra: make .dts compilation depend on Tegra2 support

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-07-06 22:18:38 +02:00
Arnd Bergmann c7b0807b9d Merge branch 'imx/sparse-irq' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/irq
Two bug fixes for the previous state of the imx sparse irq changes.

* 'imx/sparse-irq' of git://git.linaro.org/people/shawnguo/linux-2.6:
  ARM: imx: select USE_OF
  ARM: imx: Fix build error due to missing irqs.h include

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-07-06 21:12:59 +02:00
Uwe Kleine-König 3e62af8210 ARM: imx: select USE_OF
Commit

      544496a (ARM: imx: move irq_domain_add_legacy call into avic driver)

introduced unconditional calls to irq_find_mapping and
irq_domain_add_legacy, but it's still possible to have a .config without
CONFIG_IRQ_DOMAIN=y resulting in

	  CC      arch/arm/plat-mxc/avic.o
	arch/arm/plat-mxc/avic.c: In function 'avic_handle_irq':
	arch/arm/plat-mxc/avic.c:172: error: implicit declaration of function 'irq_find_mapping'
	arch/arm/plat-mxc/avic.c: In function 'mxc_init_irq':
	arch/arm/plat-mxc/avic.c:207: error: implicit declaration of function 'irq_domain_add_legacy'
	arch/arm/plat-mxc/avic.c:208: error: 'irq_domain_simple_ops' undeclared (first use in this function)
	arch/arm/plat-mxc/avic.c:208: error: (Each undeclared identifier is reported only once
	arch/arm/plat-mxc/avic.c:208: error: for each function it appears in.)
	arch/arm/plat-mxc/avic.c:208: warning: assignment makes pointer from integer without a cast
	make[3]: *** [arch/arm/plat-mxc/avic.o] Error 1
	make[2]: *** [arch/arm/plat-mxc/avic.o] Error 2
	make[1]: *** [sub-make] Error 2
	make: *** [all] Error 2

While selecting CONFIG_IRQ_DOMAIN would be enough, USE_OF is the future
and implies CONFIG_IRQ_DOMAIN. So select USE_OF for ARCH_MXC and drop
other explicit selects that are superflous now.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2012-07-06 15:54:11 +08:00
Arnd Bergmann f63870924f ARM: prima2: enable gpiolib unconditionally
The pinctrl code needs GPIOLIB to be enabled, so make
sure that it cannot be built otherwise. This fixes
the prima2_defconfig.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Barry Song <21cnbao@gmail.com>
2012-07-04 16:54:32 +02:00
Arnd Bergmann fdc0867884 Merge branch 'imx/sparse-irq' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/irq
From Shawn Guo <shawn.guo@linaro.org>, this makes it possible to use
sparse irqs with mach-imx.

* 'imx/sparse-irq' of git://git.linaro.org/people/shawnguo/linux-2.6:
  ARM: imx: enable SPARSE_IRQ for imx platform
  ARM: fiq: change FIQ_START to a variable
  tty: serial: imx: remove the use of MXC_INTERNAL_IRQS
  ARM: imx: remove unneeded mach/irq.h inclusion
  i2c: imx: remove unneeded mach/irqs.h inclusion
  ARM: imx: add a legacy irqdomain for mx31ads
  ARM: imx: add a legacy irqdomain for 3ds_debugboard
  ARM: imx: pass gpio than irq number into mxc_expio_init
  ARM: imx: leave irq_base of wm8350_platform_data uninitialized
  dma: ipu: remove the use of ipu_platform_data
  ARM: imx: move irq_domain_add_legacy call into avic driver
  ARM: imx: move irq_domain_add_legacy call into tzic driver
  gpio/mxc: move irq_domain_add_legacy call into gpio driver
  ARM: imx: eliminate macro IRQ_GPIOx()
  ARM: imx: eliminate macro IOMUX_TO_IRQ()
  ARM: imx: eliminate macro IMX_GPIO_TO_IRQ()

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-07-02 23:18:19 +02:00
Sascha Hauer a245ccebb4 ARM vt8500: Move vt8500 pwm driver to pwm framework
Move the driver to drivers/pwm/ and convert it to use the framework.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Alexey Charkov <alchark@gmail.com>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
2012-07-02 22:06:33 +02:00
Barry Song 5130216265 PINCTRL: SiRF: add GPIO and GPIO irq support in CSR SiRFprimaII
In SiRFprimaII, Each GPIO pin can be configured as input or output
independently. If a GPIO is configured as input, it can also be
enabled as an interrupt source (either edge or level triggered).

These pins must be either MUXed as GPIO or other function pads.

Signed-off-by: Yuping Luo <yuping.luo@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
2012-07-02 10:59:07 +08:00
Shawn Guo 8842a9e286 ARM: imx: enable SPARSE_IRQ for imx platform
As all irqchips on imx have been changed to allocate their irq_descs,
and all unneeded mach/irqs.h inclusions on imx have been cleaned up,
now it's time to select SPARSE_IRQ for imx/mxc.

The SPARSE_IRQ support forces irqs allocation starting from 16.  All
those static irq number definition for SoCs need to shift 16 to keep
non-DT boot works.

With all those static IRQ number and start definitions removed from
mach/irqs.h, the header becomes just a container of a couple of
mach-imx specific irq/fiq calls.  Since mach/irqs.h is not included
by asm/irq.h now, the users of mxc_set_irq_fiq needs to explicitly
include mach/irqs.h themselves.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
2012-07-01 21:59:20 +08:00
Olof Johansson c536294134 Merge branch 'lpc32xx/devel' into next/soc
* lpc32xx/devel: (22 commits)
  ARM: LPC32xx: Move i2s1 dma enabling to clock.c
  ARM: LPC32xx: Move uart6 irda disable to serial.c
  ARM: LPC32xx: Cleanup board init, remove duplicate clock init
  ARM: LPC32xx: Remove spi chip definitions
  ARM: LPC32xx: Remove spi chipselect request from board init
  ARM: LPC32xx: Add dt settings to the at25 node
  ARM: LPC32xx: Build arch dtbs
  ARM: LPC32xx: Fix lpc32xx.dtsi status property: "disable" -> "disabled"
  ARM: LPC32xx: Remove mach specific ARCH_NR_GPIOS, use default
  ARM: LPC32xx: High Speed UART configuration via DT
  ARM: LPC32xx: DT conversion of Standard UARTs
  ARM: LPC32xx: DTS adjustment for using pl18x primecell
  ARM: LPC32xx: Add MMC controller support
  ARM: LPC32xx: Defconfig update
  ARM: LPC32xx: Clock adjustment for key matrix controller
  ARM: LPC32xx: DTS adjustment for key matrix controller
  ARM: LPC32xx: Add dts for EA3250 reference board
  ARM: LPC32xx: Adjust dtsi file for MLC controller configuration
  ARM: LPC32xx: Add DMA configuration to platform data
  ARM: LPC32xx: Remove SLC controller initialization from platform init
  ...
2012-06-30 16:27:54 -07:00
Tony Lindgren f6f1f12f6d Some OMAP AM35xx fixes.
The powerdomain and clockdomain data for the AM35xx are finally fixed.
 The AM35xx EMAC/MDIO Ethernet controller integration code has been
 converted to use the OMAP device and hwmod framework.  Also the UART4
 and HSOTGUSB warnings have been fixed.
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Merge tag 'omap-devel-d-for-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into fixes-non-critical

Some OMAP AM35xx fixes.

The powerdomain and clockdomain data for the AM35xx are finally fixed.
The AM35xx EMAC/MDIO Ethernet controller integration code has been
converted to use the OMAP device and hwmod framework.  Also the UART4
and HSOTGUSB warnings have been fixed.
2012-06-29 06:07:08 -07:00
Arnd Bergmann 00a3669838 ARM: OMAP depends on MMU
There is no way to build OMAP kernels without an MMU
at this point because of dependencies on MMU-only functions.

As long as nobody is interested in fixing this, let's just disable
this platforms for nommu kernels.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-06-28 00:06:09 -07:00
Andrew Lunn b5e12229a4 ARM: Orion5x - Restore parts of io.h, with rework
Commit 4d5fc58dbe (ARM: remove bunch of
now unused mach/io.h files) removed the orion5x io.h. Unfortunately,
this is still needed for the definition of IO_SPACE_LIMIT which
overrides the default 64K. All Orion based systems have 1Mbyte of IO
space per PCI[e] bus, and try to request_resource() this size. Orion5x
has two such PCI buses.

It is likely that the original, removed version, was broken. This
version might be less broken. However, it has not been tested on
hardware with a PCI card, let alone hardware with a PCI card with IO
capabilities.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2012-06-23 16:18:17 -07:00