Milbeaut USIO/UART serial port support

modulename: milbeaut_usio.ko

configname: CONFIG_SERIAL_MILBEAUT_USIO

Linux Kernel Configuration
└─>Device Drivers
└─>Character devices
└─>Serial drivers
└─>Device Tree and Open Firmware support
└─>Milbeaut USIO/UART serial port support
In linux kernel since version 5.1 (release Date: 2019-05-05)  
This selects the USIO/UART IP found in Socionext Milbeaut SoCs.

source code:

depends
CONFIG_HAS_IOMEM
CONFIG_TTY
CONFIG_ARCH_MILBEAUT or CONFIG_COMPILE_TEST
CONFIG_OF