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diff --git a/Documentation/devicetree/bindings/watchdog/ingenic,jz4740-wdt.txt b/Documentation/devicetree/bindings/watchdog/ingenic,jz4740-wdt.txt
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+Ingenic Watchdog Timer (WDT) Controller for JZ4740 & JZ4780
+
+Required properties:
+compatible: "ingenic,jz4740-watchdog" or "ingenic,jz4780-watchdog"
+reg: Register address and length for watchdog registers
+clocks: phandle to the RTC clock
+clock-names: should be "rtc"
+
+Example:
+
+watchdog: jz4740-watchdog@10002000 {
+	compatible = "ingenic,jz4740-watchdog";
+	reg = <0x10002000 0x10>;
+
+	clocks = <&cgu JZ4740_CLK_RTC>;
+	clock-names = "rtc";
+};