BCM2835 Watchdog timer Required properties: - compatible : should be "brcm,bcm2835-pm-wdt" - reg : Specifies base physical address and size of the registers. Optional properties: - timeout-sec : Contains the watchdog timeout in seconds Example: watchdog { compatible = "brcm,bcm2835-pm-wdt"; reg = <0x7e100000 0x28>; timeout-sec = <10>; };