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 S3C24XX series CPUs,
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.

source code: