MT7621 pinctrl subdriver

modulename: pinctrl-mt7621.ko

configname: CONFIG_PINCTRL_MT7621

Linux Kernel Configuration
└─>Device Drivers
└─>Pin controllers
└─>Ralink pinctrl drivers
└─>MT7621 pinctrl subdriver
In linux kernel since version 4.14.326 (release Date: 2023-09-23)  
source code:
drivers/pinctrl/ralink/pinctrl-mt7621.c