RDA Micro GPIO controller support

modulename: gpio-rda.ko

configname: CONFIG_GPIO_RDA

Linux Kernel Configuration
└─>Device Drivers
└─>GPIO Support
└─>Memory mapped GPIO drivers
└─>RDA Micro GPIO controller support
In linux kernel since version 5.1 (release Date: 2019-05-05)  
Say Y here to support RDA Micro GPIO controller.

source code: