8250 support for Tegra serial ports

modulename: 8250_tegra.ko

configname: CONFIG_SERIAL_8250_TEGRA

Linux Kernel Configuration
└─>Device Drivers
└─>Character devices
└─>Serial drivers
└─>8250 support for Tegra serial ports
In linux kernel since version 5.1 (release Date: 2019-05-05)  
Select this option if you have machine with an NVIDIA Tegra SoC and
wish to enable 8250 serial driver for the Tegra serial interfaces.

source code: