Broadcom BCM6318 GPIO driver

modulename: pinctrl-bcm6318.ko

configname: CONFIG_PINCTRL_BCM6318

Linux Kernel Configuration
└─>Device Drivers
└─>Pin controllers
└─>Device Tree and Open Firmware support
└─>Broadcom BCM6318 GPIO driver
In linux kernel since version 5.2 (release Date: 2019-07-07)  
Say Y here to enable the Broadcom BCM6318 GPIO driver.

source code:

depends
CONFIG_OF
CONFIG_PINCTRL
CONFIG_BMIPS_GENERIC or CONFIG_COMPILE_TEST