Samsung SoC serial support

modulename: samsung_tty.ko

configname: CONFIG_SERIAL_SAMSUNG

Linux Kernel Configuration
└─>Device Drivers
└─>Character devices
└─>Serial drivers
└─>Samsung SoC serial support
In linux kernel since version 2.6.27 (release Date: 2008-10-09)  
Support for the on-chip UARTs on the Samsung
S3C64xx/S5Pv210/Exynos and Apple M1 SoCs, providing
/dev/ttySAC0, 1 and 2 (note, some machines may not provide all of
these ports, depending on how the serial port pins are configured.

Choose Y/M here only if you build for such SoC.

source code: