IMX6SL pinctrl driver

modulename: pinctrl-imx6sl.ko

configname: CONFIG_PINCTRL_IMX6SL

Linux Kernel Configuration
└─>Device Drivers
└─>Pin controllers
└─>IMX6SL pinctrl driver
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Say Y here to enable the imx6sl pinctrl driver

source code: