drivers/pinctrl/exynos/Kconfig

config PINCTRL_EXYNOS
	bool

config PINCTRL_EXYNOS7420
	bool "Samsung Exynos7420 pinctrl driver"
	depends on ARCH_EXYNOS && PINCTRL_FULL
	select PINCTRL_EXYNOS
	help
	  Support pin multiplexing and pin configuration control on
	  Samsung's Exynos7420 SoC.