Microchip PIC32 pin controller driver

modulename: pinctrl-pic32.ko

configname: CONFIG_PINCTRL_PIC32

Linux Kernel Configuration
└─>Device Drivers
└─>Pin controllers
└─>Device Tree and Open Firmware support
└─>Microchip PIC32 pin controller driver
In linux kernel since version 4.1 (release Date: 2015-06-21)  
This is the pin controller and gpio driver for Microchip PIC32
microcontrollers. This option is selected automatically when specific
machine and arch are selected to build.

source code: