UniPhier PH1-Pro4 SoC pinctrl driver

modulename: pinctrl-ph1-pro4.ko

configname: CONFIG_PINCTRL_UNIPHIER_PH1_PRO4

Linux Kernel Configuration
└─>Device Drivers
└─>Pin controllers
└─>UniPhier PH1-Pro4 SoC pinctrl driver
In linux kernel since version 4.3 (release Date: 2015-11-01)  
source code:
drivers/pinctrl/uniphier/pinctrl-ph1-pro4.c