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diff --git a/Documentation/devicetree/bindings/net/cpsw-phy-sel.txt b/Documentation/devicetree/bindings/net/cpsw-phy-sel.txt
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+TI CPSW Phy mode Selection Device Tree Bindings
+-----------------------------------------------
+
+Required properties:
+- compatible            : Should be "ti,am3352-cpsw-phy-sel"
+- reg                   : physical base address and size of the cpsw
+                          registers map
+- reg-names             : names of the register map given in "reg" node
+
+Optional properties:
+-rmii-clock-ext         : If present, the driver will configure the RMII
+                          interface to external clock usage
+
+Examples:
+
+        phy_sel: cpsw-phy-sel@44e10650 {
+                compatible = "ti,am3352-cpsw-phy-sel";
+                reg= <0x44e10650 0x4>;
+                reg-names = "gmii-sel";
+        };
+
+(or)
+        phy_sel: cpsw-phy-sel@44e10650 {
+                compatible = "ti,am3352-cpsw-phy-sel";
+                reg= <0x44e10650 0x4>;
+                reg-names = "gmii-sel";
+                rmii-clock-ext;
+        };