Broadcom BCM47xx Watchdog Timer

modulename: bcm47xx_wdt.ko

configname: CONFIG_BCM47XX_WDT

Linux Kernel Configuration
└─>Device Drivers
└─>Watchdog Timer Support
└─>Broadcom BCM47xx Watchdog Timer
In linux kernel since version 2.6.31 (release Date: 2009-09-09)  
Hardware driver for the Broadcom BCM47xx Watchdog Timer.

source code: