Commit Graph

896 Commits

Author SHA1 Message Date
Alexandre Belloni
cab9159474 ARM: at91: sam9m10g45ek: Add touchscreen support through at91_adc
at91_adc now supports reading a touchscreen for ADCs without a TSMR register.
Enable touchscreen support through at91_adc. This allows to use both a
touchscreen and the remaining ADC channel at the same time.

Also, lower the clock for the ADC as it allows to have more stable reads and
this is the speed used by atmel_tsadcc.
It lowers the maximum throughput rate from 440000 samples per second to 12958
samples per second. It shouldn't be an issue as the CPU is not able to keep up
reading samples at that frequency.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-05-07 18:28:40 +02:00
Alexandre Belloni
84882b0603 iio: adc: at91_adc: Add support for touchscreens without TSMR
Old ADCs, as present on the sam9rl and the sam9g45 don't have a TSMR register
and the touchscreen support should be handled differently.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-05-07 18:28:40 +02:00
Alexandre Belloni
acc8b8e107 ARM: at91: sam9260: remove unused platform_data
num_channels and registers are not used anymore since they are defined inside
the at91_adc driver and assigned by matching the id_table.

Also, remove the mach/at91_adc.h include that is not necessary anymore.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-05-07 18:28:39 +02:00
Alexandre Belloni
616a28eda7 ARM: at91: sam9g45: remove unused platform_data
num_channels and registers are not used anymore since they are defined inside
the at91_adc driver and assigned by matching the id_table.

Also, remove the mach/at91_adc.h include that is not necessary anymore.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-05-07 18:28:39 +02:00
Linus Walleij
cf2e933ce6 ARM: at91: localize GPIO header
This moves the <mach/gpio.h> header in the AT91 platform down
into the machine directory and removes the reliance on
MACH_NEED_GPIO_H from the AT91.

This does not move the platform to GENERIC_GPIO but localize
the remaining work to be done for this to the mach-at91
folder.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
[nicolas.ferre@atmel.com: adapt to newer kernel, add rsi-ews board]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-05-07 18:27:21 +02:00
Greg Kroah-Hartman
8b425aa193 First found of IIO fixes for the 3.15 cycle.
* Fix the platform data support for the at91 adc driver.
 * A couple of related follow up patches get the support working again
   for at91sam9260 and at91sam9g45 as the earlier patch results in a device
   name change.
 * A default timer value in the at91 adc driver was bonkers.  Make it sane.
 * Fix incorrect reporting of the integration time for the cm32181 light sensor
 * Fix a missing break in the ad2s1200 driver which would have give a false
   error return.
 * Make sure buffer scan mask queries from userspace return 0/1 rather than
   a fairly random value depending on their implementation of test_bit
 * Fix leak of the i2c client and a null pointer dereference in the cm36651
   driver.
 * Fix a build warning on avr32 for the mxs-lradc (not exactly a critical
   combination - but the issue was real).
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Merge tag 'iio-fixes-for-3.15a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus

Jonathan writes:

First found of IIO fixes for the 3.15 cycle.

* Fix the platform data support for the at91 adc driver.
* A couple of related follow up patches get the support working again
  for at91sam9260 and at91sam9g45 as the earlier patch results in a device
  name change.
* A default timer value in the at91 adc driver was bonkers.  Make it sane.
* Fix incorrect reporting of the integration time for the cm32181 light sensor
* Fix a missing break in the ad2s1200 driver which would have give a false
  error return.
* Make sure buffer scan mask queries from userspace return 0/1 rather than
  a fairly random value depending on their implementation of test_bit
* Fix leak of the i2c client and a null pointer dereference in the cm36651
  driver.
* Fix a build warning on avr32 for the mxs-lradc (not exactly a critical
  combination - but the issue was real).
2014-04-22 21:29:20 -07:00
Linus Torvalds
dfc25e4503 ARM: SoC: cleanups for 3.15
These cleanup patches are mainly move stuff around and should all
 be harmless. They are mainly split out so that other branches can
 be based on top to avoid conflicts.
 
 Notable changes are:
 
 * We finally remove all mach/timex.h, after CLOCK_TICK_RATE is no
   longer used. (Uwe Kleine-König)
 * The Qualcomm MSM platform is split out into legacy mach-msm and
   new-style mach-qcom, to allow easier maintainance of the new
   hardware support without regressions. (Kumar Gala)
 * A rework of some of the Kconfig logic to simplify multiplatform
   support (Rob Herring)
 * Samsung Exynos gets closer to supporting multiplatform (Sachin
   Kamat and others)
 * mach-bcm3528 gets merged into mach-bcm (Stephen Warren)
 * at91 gains some common clock framework support (Alexandre Belloni,
   Jean-Jacques Hiblot and other French people).
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Merge tag 'cleanup-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC cleanups from Arnd Bergmann:
 "These cleanup patches are mainly move stuff around and should all be
  harmless.  They are mainly split out so that other branches can be
  based on top to avoid conflicts.

  Notable changes are:

   - We finally remove all mach/timex.h, after CLOCK_TICK_RATE is no
     longer used (Uwe Kleine-König)
   - The Qualcomm MSM platform is split out into legacy mach-msm and
     new-style mach-qcom, to allow easier maintainance of the new
     hardware support without regressions (Kumar Gala)
   - A rework of some of the Kconfig logic to simplify multiplatform
     support (Rob Herring)
   - Samsung Exynos gets closer to supporting multiplatform (Sachin
     Kamat and others)
   - mach-bcm3528 gets merged into mach-bcm (Stephen Warren)
   - at91 gains some common clock framework support (Alexandre Belloni,
     Jean-Jacques Hiblot and other French people)"

* tag 'cleanup-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (89 commits)
  ARM: hisi: select HAVE_ARM_SCU only for SMP
  ARM: efm32: allow uncompress debug output
  ARM: prima2: build reset code standalone
  ARM: at91: add PWM clock
  ARM: at91: move sam9261 SoC to common clk
  ARM: at91: prepare common clk transition for sam9261 SoC
  ARM: at91: updated the at91_dt_defconfig with support for the ADS7846
  ARM: at91: dt: sam9261: Device Tree support for the at91sam9261ek
  ARM: at91: dt: defconfig: Added the sam9261 to the list of DT-enabled SOCs
  ARM: at91: dt: Add at91sam9261 dt SoC support
  ARM: at91: switch sam9rl to common clock framework
  ARM: at91/dt: define main clk frequency of at91sam9rlek
  ARM: at91/dt: define at91sam9rl clocks
  ARM: at91: prepare common clk transition for sam9rl SoCs
  ARM: at91: prepare sam9 dt boards transition to common clk
  ARM: at91: dt: sam9rl: Device Tree for the at91sam9rlek
  ARM: at91/defconfig: Add the sam9rl to the list of DT-enabled SOCs
  ARM: at91: Add at91sam9rl DT SoC support
  ARM: at91: prepare at91sam9rl DT transition
  ARM: at91/defconfig: refresh at91sam9260_9g20_defconfig
  ...
2014-04-05 13:51:19 -07:00
Arnd Bergmann
cb46a256a7 ARM: at91: fix a typo
My recent commit 871336a937 "ARM: at91: fix broken "if () else" statement"
introduced a typo because of a last-minute fixup. This adds the missing
closing parenthesis.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-04-03 21:52:26 +02:00
Arnd Bergmann
a1628604fd ARM: at91: sama5 always uses DT
It makes no sense for sama5 support to be enabled if we don't
also enable USE_OF. Making this automatic in Kconfig avoids
a possible randconfig conflict between the old and new clock
support code.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
2014-03-21 18:19:31 +01:00
Arnd Bergmann
871336a937 ARM: at91: fix broken "if () else" statement
If CONFIG_PATA_AT91 is disabled, the code in at91_add_device_cf
is turned into invalid C statements due to the lack of an
expression before the 'else' clause.

This moves the first half of the condition inside of the #ifdef,
which seems to be what the author intended.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Andrew Victor <linux@maxim.org.za>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
2014-03-21 18:19:30 +01:00
Arnd Bergmann
c85fc989f9 ARM: at91: export sam9_smc interfaces
The pata_at91 driver uses interfaces defined in the sam9_smc
platform code. Since the pata driver can be a loadable module,
we have to export those symbols in order to link cleanly.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Andrew Victor <linux@maxim.org.za>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
2014-03-21 18:19:29 +01:00
Arnd Bergmann
dfe3676326 ARM: at91: don't provide dt init code for at91x40
at91x40 has no support for device tree, but Kconfig allows
us to enable CONFIG_OF anyway, causing a link error in the
at91 reset controller initialization.

The easiest fix is to adapt the existing #ifdef to omit
the broken code on at91x40 where it is never called anyway.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Andrew Victor <linux@maxim.org.za>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
2014-03-21 18:19:28 +01:00
Arnd Bergmann
fe138c236b ARM: at91: split out at91x40 into a top-level option
at91x40 is different from all the other at91 machines, and it is
impossible to build a kernel that works on both this SoC and
any of the others, even though it is possible to build a noMMU
kernel for any at91 machine.

By turning at91x40 into a separate top-level option, we explicitly
forbid enabling invalid configurations that include mutually exclusive
machines.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Andrew Victor <linux@maxim.org.za>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
2014-03-21 18:19:27 +01:00
Arnd Bergmann
397d77a566 First batch of AT91 cleanup for 3.15
- some updates on the defconfig front
 - two SoCs converted to Device Tree: sam9261 and sam9rl
   (with use of CCF!)
 - a little PWM clock update that goes on top of this
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Merge tag 'at91-cleanup' of git://github.com/at91linux/linux-at91 into next/cleanup

Merge "First batch of AT91 cleanup for 3.15" from Nicolas Ferre:

- some updates on the defconfig front
- two SoCs converted to Device Tree: sam9261 and sam9rl
  (with use of CCF!)
- a little PWM clock update that goes on top of this

* tag 'at91-cleanup' of git://github.com/at91linux/linux-at91:
  ARM: at91: add PWM clock
  ARM: at91: move sam9261 SoC to common clk
  ARM: at91: prepare common clk transition for sam9261 SoC
  ARM: at91: updated the at91_dt_defconfig with support for the ADS7846
  ARM: at91: dt: sam9261: Device Tree support for the at91sam9261ek
  ARM: at91: dt: defconfig: Added the sam9261 to the list of DT-enabled SOCs
  ARM: at91: dt: Add at91sam9261 dt SoC support
  ARM: at91: switch sam9rl to common clock framework
  ARM: at91/dt: define main clk frequency of at91sam9rlek
  ARM: at91/dt: define at91sam9rl clocks
  ARM: at91: prepare common clk transition for sam9rl SoCs
  ARM: at91: prepare sam9 dt boards transition to common clk
  ARM: at91: dt: sam9rl: Device Tree for the at91sam9rlek
  ARM: at91/defconfig: Add the sam9rl to the list of DT-enabled SOCs
  ARM: at91: Add at91sam9rl DT SoC support
  ARM: at91: prepare at91sam9rl DT transition
  ARM: at91/defconfig: refresh at91sam9260_9g20_defconfig
  ARM: at91/defconfig: remove useless configuration in at91sam9260_9g20_defconfig
  ARM: at91/defconfig: refresh at91sam9rl_defconfig

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-03-17 15:38:07 +01:00
Alexandre Belloni
301841a634 ARM: at91: at91sam9260: change at91_adc name
We can't use "at91_adc" to refer to the at91_adc driver anymore as
the name is used to match an id_table.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-03-15 15:32:16 +00:00
Alexandre Belloni
142df13b75 ARM: at91: at91sam9g45: change at91_adc name
We can't use "at91_adc" to refer to the at91_adc driver anymore as the name is
used to match an id_table.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-03-15 15:31:58 +00:00
Bo Shen
050208dfd0 ARM: at91: add PWM clock
Add PWM clock for AT91 series SoC which include PWM controller.

Signed-off-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-03-12 18:23:45 +01:00
Jean-Jacques Hiblot
acc3e38c08 ARM: at91: move sam9261 SoC to common clk
This patch removes the selection of AT91_USE_OLD_CLK when selecting
sam9261 SoCs support. This will automatically enable COMMON_CLK_AT91 option
and add support for at91 common clk implementation.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@traphandler.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-03-12 14:36:15 +01:00
Jean-Jacques Hiblot
02c5777921 ARM: at91: prepare common clk transition for sam9261 SoC
This patch encloses sam9261 old clk registration in
"#if defined(CONFIG_OLD_CLK_AT91) #endif" sections.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@traphandler.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-03-12 14:36:15 +01:00
Jean-Jacques Hiblot
360ccb309a ARM: at91: dt: Add at91sam9261 dt SoC support
This patch adds support for the Device Tree on a sam9261-based platform

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@traphandler.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-03-12 14:30:22 +01:00
Alexandre Belloni
c7945cf8b5 ARM: at91: switch sam9rl to common clock framework
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris BREZILLON <b.brezillon.dev@gmail.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-03-12 11:31:11 +01:00
Alexandre Belloni
72a3fe9729 ARM: at91: prepare common clk transition for sam9rl SoCs
This patch encloses sam9rl old clk registration in
 #if defined(CONFIG_OLD_CLK_AT91)/#endif sections.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris BREZILLON <b.brezillon.dev@gmail.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-03-12 11:30:54 +01:00
Boris BREZILLON
2db5a93d21 ARM: at91: prepare sam9 dt boards transition to common clk
This patch prepare the transition to common clk for sam9 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 (at91sam9_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: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-03-12 11:30:44 +01:00
Alexandre Belloni
09ab012acc ARM: at91: prepare at91sam9rl DT transition
Add the new names, coming from DT, for the clock lookups.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris BREZILLON <b.brezillon.dev@gmail.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-03-12 11:30:21 +01:00
Olof Johansson
11d73c56b9 This cleanup series gets rid of <mach/timex.h> for platforms not using
ARCH_MULTIPLATFORM. (For multi-platform code it's already unused since
 387798b (ARM: initial multiplatform support).)
 
 To make this work some code out of arch/arm needed to be adapted. The
 respective changes got acks by their maintainers to be taken via armsoc
 (with Andrew Morton substituting for Alessandro Zummo as rtc maintainer).
 
 Compared to the previous pull request there was another patch added that
 fixes a (non-critical) regression on ixp4xx. Olof Johansson asked to not
 squash this fix into the original commit to save him from the need to
 reverify the series.
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Merge tag 'dropmachtimexh-v2' of git://git.pengutronix.de/git/ukl/linux into next/cleanup

This cleanup series gets rid of <mach/timex.h> for platforms not using
ARCH_MULTIPLATFORM. (For multi-platform code it's already unused since
387798b (ARM: initial multiplatform support).)

To make this work some code out of arch/arm needed to be adapted. The
respective changes got acks by their maintainers to be taken via armsoc
(with Andrew Morton substituting for Alessandro Zummo as rtc maintainer).

Compared to the previous pull request there was another patch added that
fixes a (non-critical) regression on ixp4xx. Olof Johansson asked to not
squash this fix into the original commit to save him from the need to
reverify the series.

* tag 'dropmachtimexh-v2' of git://git.pengutronix.de/git/ukl/linux:
  ARM: ixp4xx: fix timer latch calculation
  ARM: drop <mach/timex.h> for !ARCH_MULTIPLATFORM, too
  ARM: rpc: stop using <mach/timex.h>
  ARM: ixp4xx: stop using <mach/timex.h>
  input: ixp4xx-beeper: don't use symbols from <mach/timex.h>
  ARM: at91: don't use <mach/timex.h>
  ARM: ep93xx: stop using mach/timex.h
  ARM: mmp: stop using mach/timex.h
  ARM: netx: stop using mach/timex.h
  ARM: sa1100: stop using mach/timex.h
  clocksource: sirf/marco+prima2: drop usage of CLOCK_TICK_RATE
  rtc: pxa: drop unused #define TIMER_FREQ
  rtc: at91sam9: include <mach/hardware.h> explicitly
  ARM/serial: at91: switch atmel serial to use gpiolib

Signed-off-by: Olof Johansson <olof@lixom.net>
2014-02-18 22:19:33 -08:00
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
Uwe Kleine-König
79f08d9ed2 ARM: drop <mach/timex.h> for !ARCH_MULTIPLATFORM, too
While <mach/timex.h> isn't used for multi-platform builds since long it
still is for "normal" builds. As the previous patches fix all sites to
not make use of this per-platform file, it can go now for good also for
platforms that are not (yet) converted to multi-platform.

While at it there are no users of CLOCK_TICK_RATE any more, so also drop
the dummy #define.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
2013-12-20 17:17:16 +01:00
Uwe Kleine-König
ac11a1d46c ARM: at91: don't use <mach/timex.h>
The platform specific <mach/timex.h> will be removed in a later patch.
So move its only still used symbol to a different header specific for
the only machine still using it. Also add a few explicit includes of
<mach/hardware.h> that are implicitly available through <mach/timex.h>.

Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
2013-12-20 11:44:20 +01:00
Linus Walleij
354e57f3a0 ARM/serial: at91: switch atmel serial to use gpiolib
This passes the errata fix using a GPIO to control the RTS pin
on one of the AT91 chips to use gpiolib instead of the
AT91-specific interfaces. Also remove the reliance on
compile-time #defines and the cpu_* check and rely on the
platform passing down the proper GPIO pin through platform
data.

This is a prerequisite for getting rid of the local GPIO
implementation in the AT91 platform and move toward
multiplatform.

The patch also adds device tree support for getting the
RTS GPIO pin from the device tree on DT boot paths.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
2013-12-20 11:41:30 +01:00
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