Sunplus SP7021 PinMux and GPIO driver

modulename: sppinctrl.ko

configname: CONFIG_PINCTRL_SPPCTL

Linux Kernel Configuration
└─>Device Drivers
└─>Pin controllers
└─>Device Tree and Open Firmware support
└─>Sunplus SP7021 PinMux and GPIO driver
In linux kernel since version 5.2 (release Date: 2019-07-07)  
Say Y here to support Sunplus SP7021 pinmux controller.
This driver requires the pinctrl framework.
GPIO is provided by the same driver.
To compile this driver as a module, choose M here.
The module will be called sppinctrl.

source code: