1 * Freescale i.MX Watchdog Timer (WDT) Controller
4 - compatible : Should be "fsl,<soc>-wdt"
5 - reg : Should contain WDT registers location and length
6 - interrupts : Should contain WDT interrupt
11 compatible = "fsl,imx51-wdt", "fsl,imx21-wdt";
12 reg = <0x73f98000 0x4000>;