IMX7ULP pinctrl driver

modulename: pinctrl-imx7ulp.ko

configname: CONFIG_PINCTRL_IMX7ULP

Linux Kernel Configuration
└─>Device Drivers
└─>Pin controllers
└─>IMX7ULP pinctrl driver
In linux kernel since version 4.2 (release Date: 2015-08-30)  
Say Y here to enable the imx7ulp pinctrl driver

source code: