Mediatek serial port support

modulename: 8250_mtk.ko

configname: CONFIG_SERIAL_8250_MT6577

Linux Kernel Configuration
└─>Device Drivers
└─>Character devices
└─>Serial drivers
└─>Mediatek serial port support
In linux kernel since version 3.10 (release Date: 2013-06-30)  
If you have a Mediatek based board and want to use the
serial port, say Y to this option. If unsure, say N.

source code: