Maximum number of CSIO/UART ports (1-8)

configname: CONFIG_SERIAL_MILBEAUT_USIO_PORTS

Linux Kernel Configuration
└─>Device Drivers
└─>Character devices
└─>Serial drivers
└─>Maximum number of CSIO/UART ports (1-8)
In linux kernel since version 5.1 (release Date: 2019-05-05)