openwrt/target/linux/ar71xx/patches-3.8/450-gpio-nxp-74hc153-gpio-chip-driver.patch

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--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -697,4 +697,12 @@ config GPIO_VIPERBOARD
River Tech's viperboard.h for detailed meaning
of the module parameters.
+comment "Other GPIO expanders"
+
+config GPIO_NXP_74HC153
+ tristate "NXP 74HC153 Dual 4-input multiplexer"
+ help
+ Platform driver for NXP 74HC153 Dual 4-input Multiplexer. This
+ provides a GPIO interface supporting input mode only.
+
endif
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -48,6 +48,7 @@ obj-$(CONFIG_GPIO_MSM_V2) += gpio-msm-v2
obj-$(CONFIG_GPIO_MVEBU) += gpio-mvebu.o
obj-$(CONFIG_GPIO_MXC) += gpio-mxc.o
obj-$(CONFIG_GPIO_MXS) += gpio-mxs.o
+obj-$(CONFIG_GPIO_NXP_74HC153) += gpio-nxp-74hc153.o
obj-$(CONFIG_ARCH_OMAP) += gpio-omap.o
obj-$(CONFIG_GPIO_PCA953X) += gpio-pca953x.o
obj-$(CONFIG_GPIO_PCF857X) += gpio-pcf857x.o