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diff --git a/Documentation/devicetree/bindings/mtd/atmel-dataflash.txt b/Documentation/devicetree/bindings/mtd/atmel-dataflash.txt
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+* Atmel Data Flash
+
+Required properties:
+- compatible : "atmel,<model>", "atmel,<series>", "atmel,dataflash".
+
+Example:
+
+flash@1 {
+        #address-cells = <1>;
+        #size-cells = <1>;
+        compatible = "atmel,at45db321d", "atmel,at45", "atmel,dataflash";
+        spi-max-frequency = <25000000>;
+        reg = <1>;
+};