RDA Micro serial port support

modulename: rda-uart.ko

configname: CONFIG_SERIAL_RDA

Linux Kernel Configuration
└─>Device Drivers
└─>Character devices
└─>Serial drivers
└─>RDA Micro serial port support
In linux kernel since version 5 (release Date: 2019-03-03)  
This driver is for RDA8810PL SoC's UART.
Say 'Y' here if you wish to use the on-board serial port.
Otherwise, say 'N'.

source code:

depends
CONFIG_HAS_IOMEM
CONFIG_TTY
CONFIG_ARCH_RDA or CONFIG_COMPILE_TEST

is selected by
CONFIG_SERIAL_RDA_CONSOLE