Synopsys DesignWare watchdog

modulename: dw_wdt.ko

configname: CONFIG_DW_WATCHDOG

Linux Kernel Configuration
└─>Device Drivers
└─>Watchdog Timer Support
└─>Synopsys DesignWare watchdog
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Say Y here if to include support for the Synopsys DesignWare
watchdog timer found in many ARM chips.
To compile this driver as a module, choose M here: the
module will be called dw_wdt.

source code: