Pinctrl driver for RP1

modulename: pinctrl-rp1.ko

configname: CONFIG_PINCTRL_RP1

Linux Kernel Configuration
└─>Device Drivers
└─>Pin controllers
└─>Pinctrl driver for RP1
In linux kernel since version 6.17 (release Date: 2025-09-28)  
Enable the gpio and pinctrl/mux driver for RaspberryPi RP1
multi function device.

source code:
drivers/pinctrl/pinctrl-rp1.c