ARM SP805 Watchdog

modulename: sp805_wdt.ko

configname: CONFIG_ARM_SP805_WATCHDOG

Linux Kernel Configuration
└─>Device Drivers
└─>Watchdog Timer Support
└─>ARM SP805 Watchdog
In linux kernel since version 2.6.36 (release Date: 2010-10-20)  
ARM Primecell SP805 Watchdog timer. This will reboot your system when
the timeout is reached.

source code:
drivers/watchdog/sp805_wdt.c

depends
CONFIG_ARM_AMBA
CONFIG_WATCHDOG
CONFIG_ARM or CONFIG_ARM64 or CONFIG_COMPILE_TEST