USB CP210x family of UART Bridge Controllers

modulename: cp210x.ko

configname: CONFIG_USB_SERIAL_CP210X

Linux Kernel Configuration
└─>Device Drivers
└─>USB support
└─>USB Serial Converter support
└─>USB CP210x family of UART Bridge Controllers
In linux kernel since version 2.6.30 (release Date: 2009-06-09)  
Say Y here if you want to use a CP2101/CP2102/CP2103 based USB
to RS232 converters.

To compile this driver as a module, choose M here: the
module will be called cp210x.

source code: