diff --git a/Documentation/devicetree/bindings/iio/light/vcnl4000.txt b/Documentation/devicetree/bindings/iio/light/vcnl4000.txt
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+VISHAY VCNL4000 -  Ambient Light and proximity sensor
+
+This driver supports the VCNL4000/10/20 and VCNL4200 chips
+
+Required properties:
+
+	-compatible: must be one of :
+        vishay,vcnl4000
+        vishay,vcnl4010
+        vishay,vcnl4020
+        vishay,vcnl4200
+
+	-reg: I2C address of the sensor, should be one from below based on the model:
+        0x13
+        0x51
+
+Example:
+
+light-sensor@51 {
+	compatible = "vishay,vcnl4200";
+	reg = <0x51>;
+};