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diff --git a/Documentation/devicetree/bindings/phy/berlin-usb-phy.txt b/Documentation/devicetree/bindings/phy/berlin-usb-phy.txt
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+* Marvell Berlin USB PHY
+
+Required properties:
+- compatible: "marvell,berlin2-usb-phy" or "marvell,berlin2cd-usb-phy"
+- reg: base address and length of the registers
+- #phys-cells: should be 0
+- resets: reference to the reset controller
+
+Example:
+
+        usb-phy@f774000 {
+                compatible = "marvell,berlin2-usb-phy";
+                reg = <0xf774000 0x128>;
+                #phy-cells = <0>;
+                resets = <&chip 0x104 14>;
+        };