Maxim Max77620 Watchdog Timer

modulename: max77620_wdt.ko

configname: CONFIG_MAX77620_WATCHDOG

Linux Kernel Configuration
└─>Device Drivers
└─>Watchdog Timer Support
└─>Maxim Max77620 Watchdog Timer
In linux kernel since version 3.10 (release Date: 2013-06-30)  
This is the driver for the Max77620 watchdog timer.
Say 'Y' here to enable the watchdog timer support for
MAX77620 chips. To compile this driver as a module,
choose M here: the module will be called max77620_wdt.

source code:

depends
CONFIG_WATCHDOG
CONFIG_COMPILE_TEST or CONFIG_MFD_MAX77620 or CONFIG_MFD_MAX77714