Support pin configuration controllers

modulename: pinconf.ko

configname: CONFIG_PINCONF

Linux Kernel Configuration
└─>Device Drivers
└─>Pin controllers
└─>Support pin configuration controllers
In linux kernel since version 3.1 (release Date: 2011-10-24)  
source code:
depends
CONFIG_PINCTRL

is depended by
CONFIG_PINCTRL_SH_PFC