diff --git a/arch/arm/boot/dts/vf610-zii-scu4-aib.dts b/arch/arm/boot/dts/vf610-zii-scu4-aib.dts
index b642520199ba..040a1f8b6130 100644
--- a/arch/arm/boot/dts/vf610-zii-scu4-aib.dts
+++ b/arch/arm/boot/dts/vf610-zii-scu4-aib.dts
@@ -186,7 +186,7 @@
 					port@2 {
 						reg = <2>;
 						label = "eth_fc_1000_2";
-						phy-mode = "sgmii";
+						phy-mode = "1000base-x";
 						managed = "in-band-status";
 						sfp = <&sff1>;
 					};
@@ -194,7 +194,7 @@
 					port@3 {
 						reg = <3>;
 						label = "eth_fc_1000_3";
-						phy-mode = "sgmii";
+						phy-mode = "1000base-x";
 						managed = "in-band-status";
 						sfp = <&sff2>;
 					};
@@ -202,7 +202,7 @@
 					port@4 {
 						reg = <4>;
 						label = "eth_fc_1000_4";
-						phy-mode = "sgmii";
+						phy-mode = "1000base-x";
 						managed = "in-band-status";
 						sfp = <&sff3>;
 					};
@@ -210,7 +210,7 @@
 					port@5 {
 						reg = <5>;
 						label = "eth_fc_1000_5";
-						phy-mode = "sgmii";
+						phy-mode = "1000base-x";
 						managed = "in-band-status";
 						sfp = <&sff4>;
 					};
@@ -218,7 +218,7 @@
 					port@6 {
 						reg = <6>;
 						label = "eth_fc_1000_6";
-						phy-mode = "sgmii";
+						phy-mode = "1000base-x";
 						managed = "in-band-status";
 						sfp = <&sff5>;
 					};
@@ -226,7 +226,7 @@
 					port@7 {
 						reg = <7>;
 						label = "eth_fc_1000_7";
-						phy-mode = "sgmii";
+						phy-mode = "1000base-x";
 						managed = "in-band-status";
 						sfp = <&sff6>;
 					};
@@ -234,7 +234,7 @@
 					port@9 {
 						reg = <9>;
 						label = "eth_fc_1000_1";
-						phy-mode = "sgmii";
+						phy-mode = "1000base-x";
 						managed = "in-band-status";
 						sfp = <&sff0>;
 					};
@@ -269,7 +269,7 @@
 					port@2 {
 						reg = <2>;
 						label = "eth_fc_1000_8";
-						phy-mode = "sgmii";
+						phy-mode = "1000base-x";
 						managed = "in-band-status";
 						sfp = <&sff7>;
 					};
@@ -277,7 +277,7 @@
 					port@3 {
 						reg = <3>;
 						label = "eth_fc_1000_9";
-						phy-mode = "sgmii";
+						phy-mode = "1000base-x";
 						managed = "in-band-status";
 						sfp = <&sff8>;
 					};
@@ -285,7 +285,7 @@
 					port@4 {
 						reg = <4>;
 						label = "eth_fc_1000_10";
-						phy-mode = "sgmii";
+						phy-mode = "1000base-x";
 						managed = "in-band-status";
 						sfp = <&sff9>;
 					};