diff --git a/arch/arm64/boot/dts/marvell/armada-7040-db.dts b/arch/arm64/boot/dts/marvell/armada-7040-db.dts
index 12442329b80f1147da2c59e4ab0dc91f30b5d5e3..771311051421c02a1ac691fee2f3affbd9ee0747 100644
--- a/arch/arm64/boot/dts/marvell/armada-7040-db.dts
+++ b/arch/arm64/boot/dts/marvell/armada-7040-db.dts
@@ -162,6 +162,8 @@
 };
 
 &cpm_mdio {
+	status = "okay";
+
 	phy0: ethernet-phy@0 {
 		reg = <0>;
 	};
diff --git a/arch/arm64/boot/dts/marvell/armada-8040-db.dts b/arch/arm64/boot/dts/marvell/armada-8040-db.dts
index 3cde649f96e404c14032d78bda04cccd62f2c79e..6af3c39bbb991a4773dfc50e2c6e72874e0fb9e3 100644
--- a/arch/arm64/boot/dts/marvell/armada-8040-db.dts
+++ b/arch/arm64/boot/dts/marvell/armada-8040-db.dts
@@ -125,6 +125,8 @@
 };
 
 &cpm_mdio {
+	status = "okay";
+
 	phy1: ethernet-phy@1 {
 		reg = <1>;
 	};
@@ -170,6 +172,8 @@
 };
 
 &cps_mdio {
+	status = "okay";
+
 	phy0: ethernet-phy@0 {
 		reg = <0>;
 	};