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diff --git a/Documentation/devicetree/bindings/hwmon/pwm-fan.txt b/Documentation/devicetree/bindings/hwmon/pwm-fan.txt
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+++ b/Documentation/devicetree/bindings/hwmon/pwm-fan.txt
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+Bindings for a fan connected to the PWM lines
+
+Required properties:
+- compatible	: "pwm-fan"
+- pwms		: the PWM that is used to control the PWM fan
+
+Example:
+	pwm-fan {
+		compatible = "pwm-fan";
+		status = "okay";
+		pwms = <&pwm 0 10000 0>;
+	};