CONFIG_PINCTRL_SH_PFC_GPIO (not configurable)
modulename: gpio.ko
configname: CONFIG_PINCTRL_SH_PFC_GPIO
Linux Kernel Configuration
└─>Device Drivers
└─>Pin controllers
└─>PINCTRL_SH_PFC_GPIO
In linux kernel since version 3.10 (release Date: 2013-06-30)
This enables pin control and GPIO drivers for SH/SH Mobile platforms