linux/Documentation/devicetree/bindings/watchdog/marvel.txt
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   1* Marvell Orion Watchdog Time
   2
   3Required Properties:
   4
   5- Compatibility : "marvell,orion-wdt"
   6- reg           : Address of the timer registers
   7
   8Optional properties:
   9
  10- timeout-sec   : Contains the watchdog timeout in seconds
  11
  12Example:
  13
  14        wdt@20300 {
  15                compatible = "marvell,orion-wdt";
  16                reg = <0x20300 0x28>;
  17                timeout-sec = <10>;
  18                status = "okay";
  19        };
  20