diff --git a/arch/arm/dts/fsl-ls1028a.dtsi b/arch/arm/dts/fsl-ls1028a.dtsi
index c7c725a..21f4ef7 100644
--- a/arch/arm/dts/fsl-ls1028a.dtsi
+++ b/arch/arm/dts/fsl-ls1028a.dtsi
@@ -144,12 +144,22 @@
 			reg = <0x000200 0 0 0 0>;
 			status = "okay";
 			phy-mode = "internal";
+
+			fixed-link {
+				speed = <2500>;
+				full-duplex;
+			};
 		};
 		mdio0: pci@0,3 {
 			#address-cells=<0>;
 			#size-cells=<1>;
 			reg = <0x000300 0 0 0 0>;
 			status = "disabled";
+
+			fixed-link {
+				speed = <1000>;
+				full-duplex;
+			};
 		};
 
 		mscc_felix: pci@0,5 {