AT91RM9200 watchdog

modulename: at91rm9200_wdt.ko

configname: CONFIG_AT91RM9200_WATCHDOG

Linux Kernel Configuration
└─>Device Drivers
└─>Watchdog Timer Support
└─>AT91RM9200 watchdog
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
Watchdog timer embedded into AT91RM9200 chips. This will reboot your
system when the timeout is reached.

source code:
drivers/watchdog/at91rm9200_wdt.c
depends
CONFIG_WATCHDOG
CONFIG_COMPILE_TEST or CONFIG_MFD_SYSCON
CONFIG_SOC_AT91RM9200