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 SoCs.

Say 'Y or 'M' here to enable the driver.

source code:
drivers/watchdog/bcm7038_wdt.c