WM831x watchdog

modulename: wm831x_wdt.ko

configname: CONFIG_WM831X_WATCHDOG

Linux Kernel Configuration
└─>Device Drivers
└─>Watchdog Timer Support
└─>WM831x watchdog
In linux kernel since version 2.6.32 (release Date: 2009-12-02)  
Support for the watchdog in the WM831x AudioPlus PMICs. When
the watchdog triggers the system will be reset.

source code:
drivers/watchdog/wm831x_wdt.c