openwrtv4/target/linux/ar71xx/patches-3.7/450-gpio-nxp-74hc153-gpio-chip-driver.patch

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--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -649,4 +649,12 @@ config GPIO_MSIC
Enable support for GPIO on intel MSIC controllers found in
intel MID devices
+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