CONFIG_PINCTRL_IMX28 (not configurable)

modulename: pinctrl-imx28.ko

configname: CONFIG_PINCTRL_IMX28

Linux Kernel Configuration
└─>Device Drivers
└─>Pin controllers
└─>PINCTRL_IMX28
In linux kernel since version 3.1 (release Date: 2011-10-24)  
source code: