5 - compatible : should be "brcm,bcm7038-wdt"
6 - reg : Specifies base physical address and size of the registers.
10 - clocks: The clock running the watchdog. If no clock is found the
11 driver will default to 27000000 Hz.
16 compatible = "brcm,bcm7038-wdt";
17 clocks = <&upg_fixed>;
18 reg = <0xf040a7e8 0x16>;