diff --git a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988a-gsw-10g-sfp-spim-nand.dts b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988a-gsw-10g-sfp-spim-nand.dts
index 4335fcf..4b224a9 100644
--- a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988a-gsw-10g-sfp-spim-nand.dts
+++ b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988a-gsw-10g-sfp-spim-nand.dts
@@ -300,6 +300,7 @@
 	gmac0: mac@0 {
 		compatible = "mediatek,eth-mac";
 		reg = <0>;
+		mac-type = "xgdm";
 		phy-mode = "10gbase-kr";
 
 		fixed-link {
@@ -312,6 +313,7 @@
 	gmac1: mac@1 {
 		compatible = "mediatek,eth-mac";
 		reg = <1>;
+		mac-type = "xgdm";
 		phy-mode = "10gbase-kr";
 		managed = "in-band-status";
 		sfp = <&sfp_esp1>;
@@ -320,6 +322,7 @@
 	gmac2: mac@2 {
 		compatible = "mediatek,eth-mac";
 		reg = <2>;
+		mac-type = "xgdm";
 		phy-mode = "10gbase-kr";
 		managed = "in-band-status";
 		sfp = <&sfp_esp0>;