When refactoring and breaking out the includes for the
machine-specific GPIO configuration, two files were created
in <linux/platform_data/gpio-samsung-s3c[24|64]xx.h>, but as
that namespace shall be used for defining data exchanged
between machines and drivers, using it for these broad macros
and config settings is wrong.
Move the headers back into the machine-local
<mach/gpio-samsung.h> file and think about the next step.
Reported-by: Arnd Bergmann <arnd@arndb.de>
Cc: Tomasz Figa <tomasz.figa@gmail.com>
Cc: Sylwester Nawrocki <sylvester.nawrocki@gmail.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Cc: linux-samsung-soc@vger.kernel.org
Acked-by: Mark Brown <broonie@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The contents of this header file are not referenced in the driver.
Remove its inclusion.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This isolates the custom S3C64xx GPIO definition table to
<linux/platform_data/gpio-samsung-s3x64xx.h> as this is
used in a few different places in the kernel, removing the
need to depend on the implicit inclusion of <mach/gpio.h>
from <linux/gpio.h> and thus getting rid of a few nasty
cross-dependencies.
Also delete the CONFIG_SAMSUNG_GPIO_EXTRA stuff. Instead
roof the number of GPIOs for this platform:
First sum up all the GPIO banks from A to Q: 187 GPIOs.
Add the 16 "board GPIOs" and the roof for SAMSUNG_GPIO_EXTRA,
128, so in total maximum 187+16+128 = 331 GPIOs, so let's
take the same roof as for S3C24XX: 512. This way we can do
away with the GPIO calculation macros for GPIO_BOARD_START,
BOARD_NR_GPIOS and the definition of ARCH_NR_GPIOS.
Cc: Mark Brown <broonie@kernel.org>
[on Mini6410 board]
Tested-by: Tomasz Figa <t.figa@samsung.com>
[for changes in mach-s3c64xx]
Acked-by: Tomasz Figa <t.figa@samsung.com>
Tested-by: Mark Brown <broonie@linaro.org>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This isolates the custom S3C24xx GPIO definition table to
<linux/platform_data/gpio-samsung-s3x24xx.h> as this is
used in a few different places in the kernel, removing the
need to depend on the implicit inclusion of <mach/gpio.h>
from <linux/gpio.h> and thus getting rid of a few nasty
cross-dependencies.
We also delete the nifty CONFIG_S3C24XX_GPIO_EXTRA stuff.
The biggest this can ever be for the S3C24XX is
CONFIG_S3C24XX_GPIO_EXTRA = 128, and then for CPU_S3C2443 or
CPU_S3C2416 32*12 GPIOs are added, so 32*12+128 = 512
is the absolute roof value on this platform. So we set
the size of ARCH_NR_GPIO to this and the GPIOs array will
fit any S3C24XX platform, as per pattern from other archs.
ChangeLog v2->v3:
- Move the movement of the S3C64XX gpio.h file out of
this patch and into the follow-up patch where it belongs.
ChangeLog v1->v2:
- Added an #ifdef ARCH_S3C24XX around the header inclusion
in drivers/gpio/gpio-samsung.c as we would otherwise
have colliding definitions when compiling S3C64XX.
- Rename inclusion guard in the header file.
Cc: Tomasz Figa <tomasz.figa@gmail.com>
Cc: Sylwester Nawrocki <sylvester.nawrocki@gmail.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: linux-samsung-soc@vger.kernel.org
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Most of this branch consists of updates, additions and general churn of
the device tree source files in the kernel (arch/arm/boot/dts). Besides
that, there are a few things to point out:
- Lots of platform conversion on OMAP2+, with removal of old board files
for various platforms.
- Final conversion of a bunch of ux500 (ST-Ericsson) platforms as well
- Some updates to pinctrl and other subsystems. Most of these are for
DT-enablement of the various platforms and acks have been collected.
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Merge tag 'dt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC DT updates from Olof Johansson:
"Most of this branch consists of updates, additions and general churn
of the device tree source files in the kernel (arch/arm/boot/dts).
Besides that, there are a few things to point out:
- Lots of platform conversion on OMAP2+, with removal of old board
files for various platforms.
- Final conversion of a bunch of ux500 (ST-Ericsson) platforms as
well
- Some updates to pinctrl and other subsystems. Most of these are
for DT-enablement of the various platforms and acks have been
collected"
* tag 'dt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (385 commits)
ARM: dts: bcm11351: Use GIC/IRQ defines for sdio interrupts
ARM: dts: bcm: Add missing UARTs for bcm11351 (bcm281xx)
ARM: dts: bcm281xx: Add card detect GPIO
ARM: dts: rename ARCH_BCM to ARCH_BCM_MOBILE (dt)
ARM: bcm281xx: Add device node for the GPIO controller
ARM: mvebu: Add Netgear ReadyNAS 104 board
ARM: tegra: fix Tegra114 IOMMU register address
ARM: kirkwood: add support for OpenBlocks A7 platform
ARM: dts: omap4-panda: add DPI pinmuxing
ARM: dts: AM33xx: Add RNG node
ARM: dts: AM33XX: Add hwspinlock node
ARM: dts: OMAP5: Add hwspinlock node
ARM: dts: OMAP4: Add hwspinlock node
ARM: dts: use 'status' property for PCIe nodes
ARM: dts: sirf: add missed address-cells and size-cells for prima2 I2C
ARM: dts: sirf: add missed cell, cs and dma channel for SPI nodes
ARM: dts: sirf: add missed graphics2d iobg in atlas6 dts
ARM: dts: sirf: add missed chhifbg node in prima2 and atlas6 dts
ARM: dts: sirf: add missed memcontrol-monitor node in prima2 and atlas6 dts
ARM: mvebu: Add the core-divider clock to Armada 370/XP
...
Since CONFIG_PLAT_S3C64XX is going to be removed, this patch modifies
the gpio-samsung driver to use the proper way of checking for S3C64xx
support - CONFIG_ARCH_S3C64XX.
Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Since this driver does not handle GPIO on device tree enabled platforms
any more, it should be bypassed whenever device tree is available, to
not conflict with the new pinctrl-samsung driver.
Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
GPIO support on Exynos SoCs is provided by pinctrl-samsung driver,
leaving all the support code in gpio-samsung driver unused. This dead
code can be safely removed and so it is done by this patch.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
There is no users of this code and there is already a pinctrl
driver written for s3c24xx which is going to be used on any
s3c24xx DT platforms. Hence this has been effectively a dead
code in mainline.
This reverts commit 172c6a1365
gpio: samsung: add devicetree init for s3c24xx arches
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
The s3c24xx pins follow a similar pattern as the other Samsung SoCs and
can therefore reuse the already introduced infrastructure.
The s3c24xx SoCs have one design oddity in that the first 4 external
interrupts do not reside in the eint pending register but in the main
interrupt controller instead. We solve this by forwarding the external
interrupt from the main controller into the irq domain of the pin bank.
The masking/acking of these interrupts is handled in the same way.
Furthermore the S3C2412/2413 SoCs contain another oddity in that they
keep the same 4 eints in the main interrupt controller and eintpend
register and requiring ack operations to happen in both. This is solved
by using different compatible properties for the wakeup eint node which
set a property accordingly.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
The usual selection of bug fixes and driver updates for GPIO. Nothing
really stands out except the addition of the GRGPIO driver and some
enhacements to ACPI support
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Merge tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux
Pull GPIO changes from Grant Likely:
"The usual selection of bug fixes and driver updates for GPIO. Nothing
really stands out except the addition of the GRGPIO driver and some
enhacements to ACPI support"
I'm pulling this despite the earlier mess. Let's hope it compiles these
days.
* tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux: (46 commits)
gpio: grgpio: Add irq support
gpio: grgpio: Add device driver for GRGPIO cores
gpiolib-acpi: introduce acpi_get_gpio_by_index() helper
GPIO: gpio-generic: remove kfree() from bgpio_remove call
gpio / ACPI: Handle ACPI events in accordance with the spec
gpio: lpc32xx: Fix off-by-one valid range checking for bank
gpio: mcp23s08: convert driver to DT
gpio/omap: force restore if context loss is not detectable
gpio/omap: optimise interrupt service routine
gpio/omap: remove extra context restores in *_runtime_resume()
gpio/omap: free irq domain in probe() failure paths
gpio: gpio-generic: Add 16 and 32 bit big endian byte order support
gpio: samsung: Add terminating entry for exynos_pinctrl_ids
gpio: mvebu: add dbg_show function
MAX7301 GPIO: Do not force SPI speed when using OF Platform
gpio: gpio-tps65910.c: fix checkpatch error
gpio: gpio-timberdale.c: fix checkpatch error
gpio: gpio-tc3589x.c: fix checkpatch errors
gpio: gpio-stp-xway.c: fix checkpatch error
gpio: gpio-sch.c: fix checkpatch error
...
The of_device_id table is supposed to be zero-terminated.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
From Kukjin Kim <kgene.kim@samsung.com>:
Here is support pinctrl-exynos5250 and that already got ack from Linus Walleij.
* 'next/pinctrl-exynos' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
ARM: EXYNOS: skip wakeup interrupt registration for exynos5250 if pinctrl is enabled
gpio: samsung: skip gpiolib registration if pinctrl support is enabled for exynos5250
pinctrl: exynos: add exynos5250 SoC specific data
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Skip exynos5250 gpiolib registration if pinctrl support for exynos5250
is enabled.
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
commit 7b45ed96 ("ARM: S3C24XX: handle s3c2412 eints using new
infrastructure") introduced build warning and this patch fixes
that:
drivers/gpio/gpio-samsung.c: In function 's3c24xx_gpiolib_fbank_to_irq':
drivers/gpio/gpio-samsung.c:1126:5: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses]
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Cc: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
The s3c2412 handles the eints 0 to 3 different than all the other SoCs
of the 24xx range. These eints must be acked and masked in the regular
bits as well as the bits 0 to 3 of the eint registers, which are unused
on the other SoCs.
This of course can be realized using the new infrastructure with the
eint bits in the main register being the parent interrupts of the
same bits in the eint register.
The s3c2412 therefore gets its own IRQ_EINT0 to 4 constants that
reside in the newly created gap before IRQ_EINT4. gpio-samsung, as the
only user of these is modified to return the correct values when
handling gpio_to_irq requests on s3c2412 based machines.
Due to lack of hardware this is compile tested only, but should
hopefully work as intended.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
A large number of cleanups, all over the platforms. This is dominated
largely by the Samsung platforms (s3c, s5p, exynos) and a few of the
others moving code out of arch/arm into more appropriate subsystems.
The clocksource and irqchip drivers are now abstracted to the point
where platforms that are already cleaned up do not need to even specify
the driver they use, it can all get configured from the device tree
as we do for normal device drivers. The clocksource changes basically
touch every single platform in the process.
We further clean up the use of platform specific header files here,
with the goal of turning more of the platforms over to being
"multiplatform" enabled, which implies that they cannot expose
their headers to architecture independent code any more.
It is expected that no functional changes are part of the cleanup.
The overall reduction in total code lines is mostly the result of
removing broken and obsolete code.
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Merge tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC cleanups from Arnd Bergmann:
"A large number of cleanups, all over the platforms. This is dominated
largely by the Samsung platforms (s3c, s5p, exynos) and a few of the
others moving code out of arch/arm into more appropriate subsystems.
The clocksource and irqchip drivers are now abstracted to the point
where platforms that are already cleaned up do not need to even
specify the driver they use, it can all get configured from the device
tree as we do for normal device drivers. The clocksource changes
basically touch every single platform in the process.
We further clean up the use of platform specific header files here,
with the goal of turning more of the platforms over to being
"multiplatform" enabled, which implies that they cannot expose their
headers to architecture independent code any more.
It is expected that no functional changes are part of the cleanup.
The overall reduction in total code lines is mostly the result of
removing broken and obsolete code."
* tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (133 commits)
ARM: mvebu: correct gated clock documentation
ARM: kirkwood: add missing include for nsa310
ARM: exynos: move exynos4210-combiner to drivers/irqchip
mfd: db8500-prcmu: update resource passing
drivers/db8500-cpufreq: delete dangling include
ARM: at91: remove NEOCORE 926 board
sunxi: Cleanup the reset code and add meaningful registers defines
ARM: S3C24XX: header mach/regs-mem.h local
ARM: S3C24XX: header mach/regs-power.h local
ARM: S3C24XX: header mach/regs-s3c2412-mem.h local
ARM: S3C24XX: Remove plat-s3c24xx directory in arch/arm/
ARM: S3C24XX: transform s3c2443 subirqs into new structure
ARM: S3C24XX: modify s3c2443 irq init to initialize all irqs
ARM: S3C24XX: move s3c2443 irq code to irq.c
ARM: S3C24XX: transform s3c2416 irqs into new structure
ARM: S3C24XX: modify s3c2416 irq init to initialize all irqs
ARM: S3C24XX: move s3c2416 irq init to common irq code
ARM: S3C24XX: Modify s3c_irq_wake to use the hwirq property
ARM: S3C24XX: Move irq syscore-ops to irq-pm
clocksource: always define CLOCKSOURCE_OF_DECLARE
...
From Kukjin Kim:
AS I commented, this makes <mach/*.h> local so that they could be removed.
* 'next/cleanup-header' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: (26 commits)
ARM: S3C64XX: Fix missing header error with CONFIG_CPU_IDLE enabled
ARM: S3C64XX: make regs-syscon-power.h local
ARM: S3C64XX: make regs-sys.h local
ARM: S3C64XX: make regs-srom.h local
ARM: S3C64XX: make regs-modem.h local
ARM: S3C64XX: make regs-gpio-memport.h local
ARM: S3C64XX: make crag6410.h local
ARM: S3C24XX: remove dsc.c and make regs-dsc.h local
ARM: S3C24XX: remove idle.h
ARM: S3C2412: cleanup regs-s3c2412.h
ARM: S3C2416: remove regs-s3c2416-mem.h and regs-s3c2416.h
ARM: S3C24XX: make vr1000-cpld.h, vr1000-irq.h and vr1000-map.h local
ARM: S3C24XX: make otom-map.h local
ARM: S3C24XX: make osiris-cpld.h and osiris-map.h local
ARM: S3C24XX: make h1940.h and h1940-latch.h local
ARM: S3C24XX: make gta02.h local
ARM: S3C24XX: make bast-cpld.h, bast-irq.h and bast-map.h local
ARM: S3C24XX: make anubis-cpld, anubis-irq and anubis-map local
ARM: SAMSUNG: cleanup mach/gpio-fns.h gpio-track.h and gpio-nrs.h
ARM: SAMSUNG: cleanup mach/regs-audss.h file
...
Signed-off-by: Olof Johansson <olof@lixom.net>
Fix the incorrect compatible property value of pinctrl for EXYNOS4 SoCs.
Cc: Thomas Abraham <thomas.ab@samsung.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Fix the incorrect compatible property value of pin-controller module
EXYNOS5440 SoC.
Signed-off-by: Thomas Abraham <thomas.ab@samsung.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
[kgene.kim@samsung.com: fixed it in gpio together for exynos5440]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Since exynos5440 can support pinctrl so skip the legacy
gpiolib registration. If not, happens following.
WARNING: at drivers/gpio/gpio-samsung.c:3102 samsung_gpiolib_init+0x68/0x8c()
Unknown SoC in gpio-samsung, no GPIOs added
Acked-by: Thomas Abraham <thomas.ab@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This patch fixes following warning:
drivers/gpio/gpio-samsung.c:450:32: warning: 'exynos_gpio_cfg' defined but not used [-Wunused-variable]
drivers/gpio/gpio-samsung.c:2450:33: warning: 'exynos5_gpios_1' defined but not used [-Wunused-variable]
drivers/gpio/gpio-samsung.c:2618:33: warning: 'exynos5_gpios_2' defined but not used [-Wunused-variable]
drivers/gpio/gpio-samsung.c:2679:33: warning: 'exynos5_gpios_3' defined but not used [-Wunused-variable]
drivers/gpio/gpio-samsung.c:2715:33: warning: 'exynos5_gpios_4' defined but not used [-Wunused-variable]
Because current gpio-samsung is valid only on EXYNOS5250.
Cc: Thomas Abraham <thomas.ab@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Since EXYNOS5440 can select PINCTRL_EXYNOS5440 without PINCTRL_SAMSUNG,
it should be fixed. In detail, PINCTRL_SAMSUNG is a kind of frame work
for supporting pinctrl on most Samsung SoCs including S3C, S5P as well
except EXYNOS5440 so PINCTRL_EXYNOS5440 has been implemented separated.
Cc: Thomas Abraham <thomas.ab@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The <mach/regs-clock.h> is not needed for gpio-samsung.
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This patch uses pr_* instead of printk. Also, gpio_dbg
is replaced with pr_debug.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by/Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This patch modifies the Samsung GPIO driver to check for pinctrl driver
presence earlier and use generic matching instead of a single compatible
value.
This allows us to fix warning about unrecognized SoC in case of
EXYNOS4X12, which is not supported by this driver.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This patch makes GPIO pin to INTERRUPT mode or INPUT mode according
to bitmap_gpio_int. When the related bit of bitmap_gpio_int is set,
it makes GPIO pin to INTERRUPT mode instrad of INPUT mode in the
samsung_gpiolib_4bit_input function.
Signed-off-by: Eunki Kim <eunki_kim@samsung.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
- A long-coming conversion of various platforms to a common LED
infrastructure
- AT91 is moved over to use the newer MCI driver for MMC
- Pincontrol conversions for samsung platforms
- DT bindings for gscaler on samsung
- i2c driver fixes for tegra, acked by i2c maintainer
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Merge tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM soc driver specific changes from Olof Johansson:
- A long-coming conversion of various platforms to a common LED
infrastructure
- AT91 is moved over to use the newer MCI driver for MMC
- Pincontrol conversions for samsung platforms
- DT bindings for gscaler on samsung
- i2c driver fixes for tegra, acked by i2c maintainer
Fix up conflicts as per Olof.
* tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (48 commits)
drivers: bus: omap_l3: use resources instead of hardcoded irqs
pinctrl: exynos: Fix wakeup IRQ domain registration check
pinctrl: samsung: Uninline samsung_pinctrl_get_soc_data
pinctrl: exynos: Correct the detection of wakeup-eint node
pinctrl: exynos: Mark exynos_irq_demux_eint as inline
pinctrl: exynos: Handle only unmasked wakeup interrupts
pinctrl: exynos: Fix typos in gpio/wkup _irq_mask
pinctrl: exynos: Set pin function to EINT in irq_set_type of GPIO EINTa
drivers: bus: Move the OMAP interconnect driver to drivers/bus/
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: EXYNOS: Adds G-Scaler device from Device Tree
ARM: EXYNOS: Add clock support for G-Scaler
ARM: EXYNOS: Enable pinctrl driver support for EXYNOS4 device tree enabled platform
ARM: dts: Add pinctrl node entries for SAMSUNG EXYNOS4210 SoC
ARM: EXYNOS: skip wakeup interrupt setup if pinctrl driver is used
...
Device tree conversion and enablement branch. Mostly a bunch of new
bindings and setup for various platforms, but the Via/Winchip VT8500
platform is also converted over from being 100% legacy to now use
device tree for probing. More of that will come for 3.8.
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Merge tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM soc device tree updates from Olof Johansson:
"Device tree conversion and enablement branch. Mostly a bunch of new
bindings and setup for various platforms, but the Via/Winchip VT8500
platform is also converted over from being 100% legacy to now use
device tree for probing. More of that will come for 3.8."
Trivial conflicts due to removal of vt8500 files, and one documentation
file that was added with slightly different contents both here and in
the USb tree.
* tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (212 commits)
arm: vt8500: Fixup for missing gpio.h
ARM: LPC32xx: LED fix in PHY3250 DTS file
ARM: dt: mmp-dma: add binding file
arm: vt8500: Update arch-vt8500 to devicetree support.
arm: vt8500: gpio: Devicetree support for arch-vt8500
arm: vt8500: doc: Add device tree bindings for arch-vt8500 devices
arm: vt8500: clk: Add Common Clock Framework support
video: vt8500: Add devicetree support for vt8500-fb and wm8505-fb
serial: vt8500: Add devicetree support for vt8500-serial
rtc: vt8500: Add devicetree support for vt8500-rtc
arm: vt8500: Add device tree files for VIA/Wondermedia SoC's
ARM: tegra: Add Avionic Design Tamonten Evaluation Carrier support
ARM: tegra: Add Avionic Design Medcom-Wide support
ARM: tegra: Add Avionic Design Plutux support
ARM: tegra: Add Avionic Design Tamonten support
ARM: tegra: dts: Add pwm label
ARM: ux500: Fix SSP register address format
ARM: ux500: Apply tc3589x's GPIO/IRQ properties to HREF's DT
ARM: ux500: Remove redundant #gpio-cell properties from Snowball DT
ARM: ux500: Add all encompassing sound node to the HREF Device Tree
...
Until now the EXYNOS-SoC was the only Samsung-SoC supporting the GPIOs
via the device tree. This patch implements dt-support for the
s3c24xx arches.
The controllers contain only 3 cells, as the underlying gpio controller
does not support controlling the drive strength on a gpio level.
Tested with the gpio-keys driver on a s3c2416 based machine.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
[kgene.kim@samsung.com: fixed build error]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Pinctrl driver, when enabled, registers all the gpio pins and hence the
registration of gpio pins by this driver can be skipped.
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
There is no more users of s3c2410_gpio_pullup(), s3c2410_gpio_setpin()
and s3c2410_gpio_getpin() so remove theese functions.
Signed-off-by: Sylwester Nawrocki <sylvester.nawrocki@gmail.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Move gpc4 to the end of the automatically processed gpio controllers so
we don't taint the automatic offset calculation.
This bug caused all controllers coming after gpc4 to map to the
incorrect address. The result is <&gpd1 0 0 0 0> would actually map to
GPIO 0 in gpd0.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Reviewed-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Doug Anderson <dianders@chromium.org>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This adds a flags field to the gpio specifier for Samsung. I didn't
want to add yet another field in the already quite long specifier, so
I decided to compress it together with the Pull Up/Down settings instead.
This is needed to, for example, have a gpio-keys input that is active low.
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Should be 'exynos5_xxx' instead of 'exonys5_xxx'.
It happened at the commit 30b842889e ("Merge tag 'soc2' of
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc")
during v3.5 merge window.
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
[ My bad - Linus ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This adds support for the spear13xx platform, which has first been under
review a long time ago and finally been completed after generic spear
work has gone into the clock, dt and pinctrl branches.
Also a number of updates for the samsung socs are part of this branch.
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Merge tag 'soc2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull arm-soc: soc specific changes (part 2) from Olof Johansson:
"This adds support for the spear13xx platform, which has first been
under review a long time ago and finally been completed after generic
spear work has gone into the clock, dt and pinctrl branches.
Also a number of updates for the samsung socs are part of this branch."
Fix up trivial conflicts in drivers/gpio/gpio-samsung.c that look much
worse than they are: the exonys5 init code was refactored in commit
fd454997d6 ("gpio: samsung: refactor gpiolib init for exynos4/5"), and
then commit f10590c983 ("ARM: EXYNOS: add GPC4 bank instance") added a
new gpio chip define and did tiny updates to the init code.
So the conflict diff looks like hell, but it's actually a fairly simple
change.
* tag 'soc2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (34 commits)
ARM: exynos: fix building with CONFIG_OF disabled
ARM: EXYNOS: Add AUXDATA for i2c controllers
ARM: dts: Update device tree source files for EXYNOS5250
ARM: EXYNOS: Add device tree support for interrupt combiner
ARM: EXYNOS: Add irq_domain support for interrupt combiner
ARM: EXYNOS: Remove a new bus_type instance for EXYNOS5
ARM: EXYNOS: update irqs for EXYNOS5250 SoC
ARM: EXYNOS: Add pre-divider and fout mux clocks for bpll and mpll
ARM: EXYNOS: add GPC4 bank instance
ARM: EXYNOS: Redefine IRQ_MCT_L0,1 definition
ARM: EXYNOS: Modify the GIC physical address for static io-mapping
ARM: EXYNOS: Add watchdog timer clock instance
pinctrl: SPEAr1310: Fix pin numbers for clcd_high_res
SPEAr: Update MAINTAINERS and Documentation
SPEAr13xx: Add defconfig
SPEAr13xx: Add compilation support
SPEAr13xx: Add dts and dtsi files
pinctrl: Add SPEAr13xx pinctrl drivers
pinctrl: SPEAr: Create macro for declaring GPIO PINS
SPEAr13xx: Add common clock framework support
...
Lots of gpio changes, both to core code and drivers. Changes do touch
architecture code to remove the need for separate arm/gpio.h includes
in most architectures. Some new drivers are added, and a number of
gpio drivers are converted to use irq_domains for gpio inputs used as
interrupts. Device tree support has been amended to allow multiple
gpio_chips to use the same device tree node. Remaining changes are
primarily bug fixes.
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Merge tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6
Pull GPIO driver changes from Grant Likely:
"Lots of gpio changes, both to core code and drivers.
Changes do touch architecture code to remove the need for separate
arm/gpio.h includes in most architectures.
Some new drivers are added, and a number of gpio drivers are converted
to use irq_domains for gpio inputs used as interrupts. Device tree
support has been amended to allow multiple gpio_chips to use the same
device tree node.
Remaining changes are primarily bug fixes."
* tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6: (33 commits)
gpio/generic: initialize basic_mmio_gpio shadow variables properly
gpiolib: Remove 'const' from data argument of gpiochip_find()
gpio/rc5t583: add gpio driver for RICOH PMIC RC5T583
gpiolib: quiet gpiochip_add boot message noise
gpio: mpc8xxx: Prevent NULL pointer deref in demux handler
gpio/lpc32xx: Add device tree support
gpio: Adjust of_xlate API to support multiple GPIO chips
gpiolib: Implement devm_gpio_request_one()
gpio-mcp23s08: dbg_show: fix pullup configuration display
Add support for TCA6424A
gpio/omap: (re)fix wakeups on level-triggered GPIOs
gpio/omap: fix broken context restore for non-OFF mode transitions
gpio/omap: fix missing check in *_runtime_suspend()
gpio/omap: remove cpu_is_omapxxxx() checks from *_runtime_resume()
gpio/omap: remove suspend/resume callbacks
gpio/omap: remove retrigger variable in gpio_irq_handler
gpio/omap: remove saved_wakeup field from struct gpio_bank
gpio/omap: remove suspend_wakeup field from struct gpio_bank
gpio/omap: remove saved_fallingdetect, saved_risingdetect
gpio/omap: remove virtual_irq_start variable
...
Conflicts:
drivers/gpio/gpio-samsung.c
Add GPC4 bank instance which is included in rev1 of EXYNOS5.
Signed-off-by: Sangsu Park <sangsu4u.park@samsung.com>
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Fixes the following compiler warnings:
drivers/gpio/gpio-samsung.c: In function ‘samsung_gpiolib_init’:
drivers/gpio/gpio-samsung.c:2980:1: warning: label ‘err_ioremap1’ defined but not used [-Wunused-label]
drivers/gpio/gpio-samsung.c:2978:1: warning: label ‘err_ioremap2’ defined but not used [-Wunused-label]
drivers/gpio/gpio-samsung.c:2976:1: warning: label ‘err_ioremap3’ defined but not used [-Wunused-label]
drivers/gpio/gpio-samsung.c:2974:1: warning: label ‘err_ioremap4’ defined but not used [-Wunused-label]
drivers/gpio/gpio-samsung.c:2722:55: warning: unused variable ‘gpio_base4’ [-Wunused-variable]
drivers/gpio/gpio-samsung.c:455:32: warning: ‘exynos_gpio_cfg’ defined but not used [-Wunused-variable]
drivers/gpio/gpio-samsung.c:2126:33: warning: ‘exynos4_gpios_1’ defined but not used [-Wunused-variable]
drivers/gpio/gpio-samsung.c:2228:33: warning: ‘exynos4_gpios_2’ defined but not used [-Wunused-variable]
drivers/gpio/gpio-samsung.c:2373:33: warning: ‘exynos4_gpios_3’ defined but not used [-Wunused-variable]
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Only code move, no functional change.
Main reason to do this was to get rid of the warnings:
drivers/gpio/gpio-samsung.c: In function 'samsung_gpiolib_init':
drivers/gpio/gpio-samsung.c:2974:1: warning: label 'err_ioremap4' defined but not used [-Wunused-label]
drivers/gpio/gpio-samsung.c:2722:47: warning: unused variable 'gpio_base4' [-Wunused-variable]
without adding more ifdef mess.
I think this whole file would do well being coverted over to a platform
driver and moving most of the tables out to SoC code and/or device trees,
but since that changes init ordering it needs to be done with some care,
i.e. not at this time.
Signed-off-by: Olof Johansson <olof@lixom.net>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Fixes the following warning when "SAMSUNG EXYNOS5" is not selected:
warning: ‘exynos5_gpios_1’ defined but not used [-Wunused-variable]
warning: ‘exynos5_gpios_2’ defined but not used [-Wunused-variable]
warning: ‘exynos5_gpios_3’ defined but not used [-Wunused-variable]
warning: ‘exynos5_gpios_4’ defined but not used [-Wunused-variable]
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
This patch changes to use ioremap() for EXYNOS4210
so that we can drop the static mapping for EXYNOS
SoCs.
Note: Will be updated for all of Samsung GPIOlibs
to use ioremap() next time.
Signed-off-by: Sangsu Park <sangsu4u.park@samsung.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This patch adds gpio_chips for EXYNOS5250 and replaces
exynos4_xxx() with exynos_xxx() and variables to support
exynos4 and exynos5 together.
In addition, use ioreamp() for base address of gpios.
Signed-off-by: Sangsu Park <sangsu4u.park@samsung.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Commit 15c9a0acc3 (of: create of_phandle_args to simplify return of phandle
parsing data) modifies the parameter list of of_xlate function pointer declaration
in gpio_chip. Adapt the gpio specifier translate function for this change.
Reported-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Tested-by: Karol Lewandowski <k.lewandowsk@samsung.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Both platforms had some initial device tree support, but this adds
much more to actually make it usable.
This is where the really nasty conflicts in the samsung platform
start, due to some files getting moved around and combined in the
'restart' branch that has already gone into mainline through
Russell's tree.
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Merge tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Device tree conversions for samsung and tegra
Both platforms had some initial device tree support, but this adds
much more to actually make it usable.
* tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (45 commits)
ARM: dts: Add intial dts file for EXYNOS4210 SoC, SMDKV310 and ORIGEN
ARM: EXYNOS: Add Exynos4 device tree enabled board file
rtc: rtc-s3c: Add device tree support
input: samsung-keypad: Add device tree support
ARM: S5PV210: Modify platform data for pl330 driver
ARM: S5PC100: Modify platform data for pl330 driver
ARM: S5P64x0: Modify platform data for pl330 driver
ARM: EXYNOS: Add a alias for pdma clocks
ARM: EXYNOS: Limit usage of pl330 device instance to non-dt build
ARM: SAMSUNG: Add device tree support for pl330 dma engine wrappers
DMA: PL330: Add device tree support
ARM: EXYNOS: Modify platform data for pl330 driver
DMA: PL330: Infer transfer direction from transfer request instead of platform data
DMA: PL330: move filter function into driver
serial: samsung: Fix build for non-Exynos4210 devices
serial: samsung: add device tree support
serial: samsung: merge probe() function from all SoC specific extensions
serial: samsung: merge all SoC specific port reset functions
ARM: SAMSUNG: register uart clocks to clock lookup list
serial: samsung: remove all uses of get_clksrc and set_clksrc
...
Fix up fairly trivial conflicts in arch/arm/mach-s3c2440/clock.c and
drivers/tty/serial/Kconfig both due to just adding code close to
changes.
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Merge tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6
Changes queued in gpio/next for the start of the 3.3 merge window
* tag 'gpio-for-linus-20120104' of git://git.secretlab.ca/git/linux-2.6:
gpio: Add decode of WM8994 GPIO configuration
gpio: Convert GPIO drivers to module_platform_driver
gpio: Fix typo in comment in Samsung driver
gpio: Explicitly index samsung_gpio_cfgs
gpio: Add Linus Walleij as gpio co-maintainer
of: Add device tree selftests
of: create of_phandle_args to simplify return of phandle parsing data
gpio/powerpc: Eliminate duplication of of_get_named_gpio_flags()
gpio/microblaze: Eliminate duplication of of_get_named_gpio_flags()
gpiolib: output basic details and consolidate gpio device drivers
pch_gpio: Change company name OKI SEMICONDUCTOR to LAPIS Semiconductor
pch_gpio: Support new device LAPIS Semiconductor ML7831 IOH
spi/pl022: make the chip deselect handling thread safe
spi/pl022: add support for pm_runtime autosuspend
spi/pl022: disable the PL022 block when unused
spi/pl022: move device disable to workqueue thread
spi/pl022: skip default configuration before suspending
spi/pl022: fix build warnings
spi/pl022: only enable RX interrupts when TX is complete
