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diff --git a/Documentation/devicetree/bindings/input/touchscreen/sitronix-st1232.txt b/Documentation/devicetree/bindings/input/touchscreen/sitronix-st1232.txt
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+* Sitronix st1232 or st1633 touchscreen controller
+
+Required properties:
+- compatible: must contain one of
+  * "sitronix,st1232"
+  * "sitronix,st1633"
+- reg: I2C address of the chip
+- interrupts: interrupt to which the chip is connected
+
+Optional properties:
+- gpios: a phandle to the reset GPIO
+
+For additional optional properties see: touchscreen.txt
+
+Example:
+
+	i2c@00000000 {
+		/* ... */
+
+		touchscreen@55 {
+			compatible = "sitronix,st1232";
+			reg = <0x55>;
+			interrupts = <2 0>;
+			gpios = <&gpio1 166 0>;
+		};
+
+		/* ... */
+	};