Freescale STMP3XXX & i.MX23/28 watchdog

modulename: stmp3xxx_rtc_wdt.ko

configname: CONFIG_STMP3XXX_RTC_WATCHDOG

Linux Kernel Configuration
└─>Device Drivers
└─>Watchdog Timer Support
└─>Freescale STMP3XXX & i.MX23/28 watchdog
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Say Y here to include support for the watchdog timer inside
the RTC for the STMP37XX/378X or i.MX23/28 SoC.
To compile this driver as a module, choose M here: the
module will be called stmp3xxx_rtc_wdt.

source code: