diff --git a/arch/arm/dts/armada-3720-uDPU-u-boot.dtsi b/arch/arm/dts/armada-3720-uDPU-u-boot.dtsi
index cf8ae44..47d87d4 100644
--- a/arch/arm/dts/armada-3720-uDPU-u-boot.dtsi
+++ b/arch/arm/dts/armada-3720-uDPU-u-boot.dtsi
@@ -31,3 +31,27 @@
 &sdhci0 {
 	u-boot,dm-pre-reloc;
 };
+
+&pinctrl_sb {
+	sfp_pin: sfp-pin {
+		groups = "pcie1_clkreq";
+		function = "gpio";
+	};
+};
+
+&eth0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&sfp_pin>;
+
+	fixed-link {
+		speed = <1000>;
+		full-duplex;
+	};
+};
+
+&eth1 {
+	fixed-link {
+		speed = <1000>;
+		full-duplex;
+	};
+};