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diff --git a/Documentation/devicetree/bindings/watchdog/brcm,bcm2835-pm-wdog.txt b/Documentation/devicetree/bindings/watchdog/brcm,bcm2835-pm-wdog.txt
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+++ b/Documentation/devicetree/bindings/watchdog/brcm,bcm2835-pm-wdog.txt
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+BCM2835 Watchdog timer
+
+Required properties:
+
+- compatible : should be "brcm,bcm2835-pm-wdt"
+- reg : Specifies base physical address and size of the registers.
+
+Example:
+
+watchdog {
+	compatible = "brcm,bcm2835-pm-wdt";
+	reg = <0x7e100000 0x28>;
+};