diff --git a/arch/arm/boot/dts/kirkwood-dir665.dts b/arch/arm/boot/dts/kirkwood-dir665.dts
index d5ca9284db13..786959ee9cbe 100644
--- a/arch/arm/boot/dts/kirkwood-dir665.dts
+++ b/arch/arm/boot/dts/kirkwood-dir665.dts
@@ -202,6 +202,51 @@ wps {
 			gpios = <&gpio1 14 GPIO_ACTIVE_LOW>;
 		};
 	};
+
+	dsa@0 {
+		compatible = "marvell,dsa";
+		#address-cells = <2>;
+		#size-cells = <0>;
+
+		dsa,ethernet = <&eth0port>;
+		dsa,mii-bus = <&mdio>;
+
+		switch@0 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0 0>;	/* MDIO address 0, switch 0 in tree */
+
+			port@0 {
+				reg = <0>;
+				label = "lan4";
+			};
+
+			port@1 {
+			       reg = <1>;
+			       label = "lan3";
+			};
+
+			port@2 {
+			       reg = <2>;
+			       label = "lan2";
+			};
+
+			port@3 {
+			       reg = <3>;
+			       label = "lan1";
+			};
+
+			port@4 {
+				reg = <4>;
+				label = "wan";
+			};
+
+			port@6 {
+			       reg = <6>;
+			       label = "cpu";
+			};
+		};
+	};
 };
 
 &mdio {