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gpio: Add Tegra186 support

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Tegra186 has two GPIO controllers that are largely register compatible
between one another but are completely different from the controller
found on earlier generations.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Acked-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Thierry Reding
2017-11-07 19:15:56 +01:00
committed by Linus Walleij
parent 1b95b4eb56
commit 5b2b135a87
3 changed files with 633 additions and 0 deletions
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9
drivers/gpio/Kconfig
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@@ -441,6 +441,15 @@ config GPIO_TEGRA
help
Say yes here to support GPIO pins on NVIDIA Tegra SoCs.
config GPIO_TEGRA186
tristate "NVIDIA Tegra186 GPIO support"
default ARCH_TEGRA_186_SOC
depends on ARCH_TEGRA_186_SOC || COMPILE_TEST
depends on OF_GPIO
select GPIOLIB_IRQCHIP
help
Say yes here to support GPIO pins on NVIDIA Tegra186 SoCs.
config GPIO_TS4800
tristate "TS-4800 DIO blocks and compatibles"
depends on OF_GPIO

1
drivers/gpio/Makefile
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@@ -114,6 +114,7 @@ obj-$(CONFIG_GPIO_SYSCON) += gpio-syscon.o
obj-$(CONFIG_GPIO_TB10X) += gpio-tb10x.o
obj-$(CONFIG_GPIO_TC3589X) += gpio-tc3589x.o
obj-$(CONFIG_GPIO_TEGRA) += gpio-tegra.o
obj-$(CONFIG_GPIO_TEGRA186) += gpio-tegra186.o
obj-$(CONFIG_GPIO_THUNDERX) += gpio-thunderx.o
obj-$(CONFIG_GPIO_TIMBERDALE) += gpio-timberdale.o
obj-$(CONFIG_GPIO_PALMAS) += gpio-palmas.o

623
drivers/gpio/gpio-tegra186.c Normal file
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