Broadcom BCM63xx/BCM33xx UART support

modulename: bcm63xx_uart.ko

configname: CONFIG_SERIAL_BCM63XX

Linux Kernel Configuration
└─>Device Drivers
└─>Character devices
└─>Serial drivers
└─>Broadcom BCM63xx/BCM33xx UART support
In linux kernel since version 2.6.32 (release Date: 2009-12-02)  
This enables the driver for the onchip UART core found on
the following chipsets:

BCM33xx (cable modem)
BCM63xx/BCM63xxx (DSL)
BCM68xx (PON)
BCM7xxx (STB) - DOCSIS console

source code:
drivers/tty/serial/bcm63xx_uart.c