pin control support for R-Car H3 ES2.0+

modulename: pfc-r8a77951.ko

configname: CONFIG_PINCTRL_PFC_R8A77951

Linux Kernel Configuration
└─>Device Drivers
└─>Pin controllers
└─>Renesas pinctrl drivers
└─>pin control support for R-Car H3 ES2.0+
In linux kernel since version 5.1 (release Date: 2019-05-05)  
source code: