diff --git a/arch/arm/dts/armada-3720-db.dts b/arch/arm/dts/armada-3720-db.dts
index f177c76f2e..60d841cfa2 100644
--- a/arch/arm/dts/armada-3720-db.dts
+++ b/arch/arm/dts/armada-3720-db.dts
@@ -68,6 +68,18 @@
 	};
 };
 
+&comphy {
+	phy0 {
+		phy-type = <PHY_TYPE_PEX0>;
+		phy-speed = <PHY_SPEED_2_5G>;
+	};
+
+	phy1 {
+		phy-type = <PHY_TYPE_USB3_HOST0>;
+		phy-speed = <PHY_SPEED_5G>;
+	};
+};
+
 &eth0 {
 	status = "okay";
 	phy-mode = "rgmii";
diff --git a/arch/arm/dts/armada-37xx.dtsi b/arch/arm/dts/armada-37xx.dtsi
index 9f350df574..ceeb6e5d86 100644
--- a/arch/arm/dts/armada-37xx.dtsi
+++ b/arch/arm/dts/armada-37xx.dtsi
@@ -45,6 +45,7 @@
  */
 
 #include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/comphy/comphy_data.h>
 
 / {
 	model = "Marvell Armada 37xx SoC";
@@ -169,6 +170,14 @@
 				spi-max-frequency = <40000>;
 				status = "disabled";
 			};
+
+			comphy: comphy@18300 {
+				compatible = "marvell,mvebu-comphy", "marvell,comphy-armada-3700";
+				reg = <0x18300 0x28>,
+				      <0x1f300 0x3d000>;
+				mux-bitcount = <1>;
+				max-lanes = <2>;
+			};
 		};
 	};
 };