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gpio/rockchip: add driver for rockchip gpio

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This patch add support for rockchip gpio controller, which is supported
in pinctrl driver in the past.

With this patch, the pinctrl-rockchip driver will drop gpio related
codes and populate platform driver to gpio-rockchip.

Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
Link: https://lore.kernel.org/r/20210816012053.1119069-1-jay.xu@rock-chips.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Jianqun Xu
2021-08-16 09:20:53 +08:00
committed by Linus Walleij
parent 75d1415ea5
commit 936ee2675e
3 changed files with 635 additions and 0 deletions
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8
drivers/gpio/Kconfig
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@@ -520,6 +520,14 @@ config GPIO_REG
A 32-bit single register GPIO fixed in/out implementation. This
can be used to represent any register as a set of GPIO signals.
config GPIO_ROCKCHIP
tristate "Rockchip GPIO support"
depends on ARCH_ROCKCHIP || COMPILE_TEST
select GPIOLIB_IRQCHIP
default ARCH_ROCKCHIP
help
Say yes here to support GPIO on Rockchip SoCs.
config GPIO_SAMA5D2_PIOBU
tristate "SAMA5D2 PIOBU GPIO support"
depends on MFD_SYSCON

1
drivers/gpio/Makefile
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@@ -128,6 +128,7 @@ obj-$(CONFIG_GPIO_RDA) += gpio-rda.o
obj-$(CONFIG_GPIO_RDC321X) += gpio-rdc321x.o
obj-$(CONFIG_GPIO_REALTEK_OTTO) += gpio-realtek-otto.o
obj-$(CONFIG_GPIO_REG) += gpio-reg.o
obj-$(CONFIG_GPIO_ROCKCHIP) += gpio-rockchip.o
obj-$(CONFIG_ARCH_SA1100) += gpio-sa1100.o
obj-$(CONFIG_GPIO_SAMA5D2_PIOBU) += gpio-sama5d2-piobu.o
obj-$(CONFIG_GPIO_SCH311X) += gpio-sch311x.o

626
drivers/gpio/gpio-rockchip.c Normal file
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