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diff --git a/Documentation/devicetree/bindings/watchdog/qcom-wdt.txt b/Documentation/devicetree/bindings/watchdog/qcom-wdt.txt
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+Qualcomm Krait Processor Sub-system (KPSS) Watchdog
+---------------------------------------------------
+
+Required properties :
+- compatible : shall contain only one of the following:
+
+                        "qcom,kpss-wdt-msm8960"
+                        "qcom,kpss-wdt-apq8064"
+                        "qcom,kpss-wdt-ipq8064"
+
+- reg : shall contain base register location and length
+- clocks : shall contain the input clock
+
+Optional properties :
+- timeout-sec : shall contain the default watchdog timeout in seconds,
+                if unset, the default timeout is 30 seconds
+
+Example:
+        watchdog@208a038 {
+                compatible = "qcom,kpss-wdt-ipq8064";
+                reg = <0x0208a038 0x40>;
+                clocks = <&sleep_clk>;
+                timeout-sec = <10>;
+        };