BCM7038 Watchdog

modulename: bcm7038_wdt.ko

configname: CONFIG_BCM7038_WDT

Linux Kernel Configuration
└─>Device Drivers
└─>Watchdog Timer Support
└─>BCM7038 Watchdog
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Watchdog driver for the built-in hardware in Broadcom 7038 and
later SoCs used in set-top boxes. BCM7038 was made public
during the 2004 CES, and since then, many Broadcom chips use this
watchdog block, including some cable modem chips.

source code: