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Subject[GIT PULL] at91: irqdomain and device tree for AIC and GPIO

This series adds irqdomain and device tree support for both the
interrupt and GPIO controllers of AT91 SoC. It has been discussed a lot
and I think that I have addressed all comments and advices.

This irqdomain work takes advantage of Grant's patch series that is present
git:// irqdomain/next
And it will not compile without it. So, the inclusion of such work is needed
before we can apply this series on mainline.

On the other hand, I have not included Grant's branch in mine on purpose: All
this simply goes on top of current AT91 material that is already in arm-soc
(merge of all at91/* branches). You can find it in the AT91 git tree with
at91-3.4-base2 branch name). I have made merge tests and all seems to integrate
without conflicts.

The following changes since commit 11a25ea7e4f870a37093258f577e11cec703e37e:

Merge remote-tracking branch 'armsoc/at91/9x5' into at91-3.4-base2 (2012-02-11 14:33:03 +0100)

are available in the git repository at:

git:// at91-3.4-base2+aic_gpio

for you to fetch changes up to 29751864cc12425fe2b3a75658baea9ebe54609e:

ARM: at91: AIC and GPIO IRQ device tree initialization (2012-02-27 14:38:08 +0100)

Nicolas Ferre (10):
ARM: at91/aic: add irq domain and device tree support
ARM: at91/snapper9260: move gpio_to_irq out of structure initialization
ARM/USB: at91/ohci-at91: remove the use of irq_to_gpio
ARM: at91/gpio: change comments and one variable name
ARM: at91/gpio: add irqdomain and DT support
ARM: at91/gpio: non-DT builds do not have gpio_chip.of_node field
ARM: at91/gpio: add .to_irq gpio_chip handler
ARM: at91/gpio: remove the static specification of gpio_chip.base
ARM: at91/board-dt: remove AIC irq domain from board file
ARM: at91: AIC and GPIO IRQ device tree initialization

.../devicetree/bindings/arm/atmel-aic.txt | 38 ++
.../devicetree/bindings/gpio/gpio_atmel.txt | 20 +
arch/arm/Kconfig | 1 +
arch/arm/boot/dts/at91sam9g20.dtsi | 48 ++-
arch/arm/boot/dts/at91sam9g45.dtsi | 66 +++-
arch/arm/boot/dts/at91sam9x5.dtsi | 4 +
arch/arm/mach-at91/board-dt.c | 13 +-
arch/arm/mach-at91/board-snapper9260.c | 10 +-
arch/arm/mach-at91/generic.h | 6 +
arch/arm/mach-at91/gpio.c | 363 ++++++++++++++++----
arch/arm/mach-at91/include/mach/gpio.h | 12 -
arch/arm/mach-at91/irq.c | 132 ++++++--
drivers/usb/host/ohci-at91.c | 5 +-
13 files changed, 581 insertions(+), 137 deletions(-)
create mode 100644 Documentation/devicetree/bindings/arm/atmel-aic.txt
create mode 100644 Documentation/devicetree/bindings/gpio/gpio_atmel.txt

Thanks a lot, best regards,
Nicolas Ferre

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