diff --git a/arch/mips/boot/dts/mscc/ocelot.dtsi b/arch/mips/boot/dts/mscc/ocelot.dtsi
index 149b1a7e7091..8ce317c5b9ed 100644
--- a/arch/mips/boot/dts/mscc/ocelot.dtsi
+++ b/arch/mips/boot/dts/mscc/ocelot.dtsi
@@ -234,6 +234,11 @@
 		hsio: syscon@10d0000 {
 			compatible = "mscc,ocelot-hsio", "syscon", "simple-mfd";
 			reg = <0x10d0000 0x10000>;
+
+			serdes: serdes {
+				compatible = "mscc,vsc7514-serdes";
+				#phy-cells = <2>;
+			};
 		};
 	};
 };