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--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -441,6 +441,18 @@ 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_RTL8231
+ tristate "RTL8231 GPIO"
+ depends on GPIO_RTL838X
+ help
+ Say yes here to support Realtek RTL8231 GPIO expansion chips.
+
+config GPIO_RTL838X
+ tristate "RTL838X GPIO"
+ depends on RTL838X
+ help
+ Say yes here to support RTL838X GPIO devices.
+
config GPIO_SAMA5D2_PIOBU
tristate "SAMA5D2 PIOBU GPIO support"
depends on MFD_SYSCON
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -117,6 +117,8 @@ obj-$(CONFIG_GPIO_RC5T583) += gpio-rc5t
obj-$(CONFIG_GPIO_RCAR) += gpio-rcar.o
obj-$(CONFIG_GPIO_RDC321X) += gpio-rdc321x.o
obj-$(CONFIG_GPIO_REG) += gpio-reg.o
+obj-$(CONFIG_GPIO_RTL8231) += gpio-rtl8231.o
+obj-$(CONFIG_GPIO_RTL838X) += gpio-rtl838x.o
obj-$(CONFIG_ARCH_SA1100) += gpio-sa1100.o
obj-$(CONFIG_GPIO_SAMA5D2_PIOBU) += gpio-sama5d2-piobu.o
obj-$(CONFIG_GPIO_SCH311X) += gpio-sch311x.o
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