--- /dev/null
+--- a/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
++++ b/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
+@@ -361,6 +361,16 @@
+ };
+ };
+ };
++
++ mvsw61xx {
++ compatible = "marvell,88e6172";
++ status = "okay";
++ reg = <0x10>;
++
++ mii-bus = <&mdio>;
++ cpu-port-0 = <5>;
++ cpu-port-1 = <6>;
++ };
+ };
+
+ &pciec {
+--- a/arch/arm/boot/dts/armada-385-linksys.dtsi
++++ b/arch/arm/boot/dts/armada-385-linksys.dtsi
+@@ -113,6 +113,18 @@
+ linux,default-trigger = "disk-activity";
+ };
+ };
++
++ mvsw61xx {
++ #address-cells = <1>;
++ #size-cells = <0>;
++ compatible = "marvell,88e6176";
++ status = "okay";
++ reg = <0x10>;
++
++ mii-bus = <&mdio>;
++ cpu-port-0 = <5>;
++ cpu-port-1 = <6>;
++ };
+ };
+
+ &ahci0 {