help
Say Y here to enable the at91 pinctrl driver
+config PINCTRL_AT91PIO4
+ bool "AT91 PIO4 pinctrl driver"
+ depends on OF
+ depends on ARCH_AT91
+ select PINMUX
+ select GENERIC_PINCONF
+ select GPIOLIB
+ select GPIOLIB_IRQCHIP
+ select OF_GPIO
+ help
+ Say Y here to enable the at91 pinctrl/gpio driver for Atmel PIO4
+ controller available on sama5d2 SoC.
+
config PINCTRL_AMD
bool "AMD GPIO pin control"
depends on GPIOLIB