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diff --git a/Documentation/devicetree/bindings/iio/potentiometer/max5481.txt b/Documentation/devicetree/bindings/iio/potentiometer/max5481.txt
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+* Maxim Linear-Taper Digital Potentiometer MAX5481-MAX5484
+
+The node for this driver must be a child node of a SPI controller, hence
+all mandatory properties described in
+
+        Documentation/devicetree/bindings/spi/spi-bus.txt
+
+must be specified.
+
+Required properties:
+	- compatible:  	Must be one of the following, depending on the
+			model:
+			"maxim,max5481"
+			"maxim,max5482"
+			"maxim,max5483"
+			"maxim,max5484"
+
+Example:
+max548x: max548x@0 {
+	compatible = "maxim,max5482";
+	spi-max-frequency = <7000000>;
+	reg = <0>; /* chip-select */
+};