CONFIG_PINCTRL_SH_PFC (not configurable)

modulename: sh-pfc.ko

and/or

core.ko

configname: CONFIG_PINCTRL_SH_PFC

Linux Kernel Configuration
└─>Device Drivers
└─>Pin controllers
└─>PINCTRL_SH_PFC
In linux kernel since version 3.1 (release Date: 2011-10-24)  
This enables pin control drivers for SH and SH Mobile platforms

source code:
drivers/pinctrl/sh-pfc/