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diff --git a/Documentation/devicetree/bindings/iio/adc/mcp3422.txt b/Documentation/devicetree/bindings/iio/adc/mcp3422.txt
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+* Microchip mcp3422/3/4/6/7/8 chip family (ADC)
+
+Required properties:
+ - compatible: Should be
+        "microchip,mcp3422" or
+        "microchip,mcp3423" or
+        "microchip,mcp3424" or
+        "microchip,mcp3426" or
+        "microchip,mcp3427" or
+        "microchip,mcp3428"
+ - reg: I2C address for the device
+
+Example:
+adc@0 {
+        compatible = "microchip,mcp3424";
+        reg = <0x68>;
+};