diff --git a/target/linux/mediatek/files-5.15/arch/arm64/boot/dts/mediatek/mt7988a-dsa-10g-spim-nand.dts b/target/linux/mediatek/files-5.15/arch/arm64/boot/dts/mediatek/mt7988a-dsa-10g-spim-nand.dts
index 98dbf8d69..e204dc4f1 100644
--- a/target/linux/mediatek/files-5.15/arch/arm64/boot/dts/mediatek/mt7988a-dsa-10g-spim-nand.dts
+++ b/target/linux/mediatek/files-5.15/arch/arm64/boot/dts/mediatek/mt7988a-dsa-10g-spim-nand.dts
@@ -156,6 +156,7 @@
 	mdio {
 		#address-cells = <1>;
 		#size-cells = <0>;
+		mediatek,pio = <&pio>;
 
 		gsw_phy0: ethernet-phy@0 {
 			compatible = "ethernet-phy-id03a2.9481";
diff --git a/target/linux/mediatek/files-5.15/arch/arm64/boot/dts/mediatek/mt7988a.dtsi b/target/linux/mediatek/files-5.15/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
index 13ad39500..17de88562 100644
--- a/target/linux/mediatek/files-5.15/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
+++ b/target/linux/mediatek/files-5.15/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
@@ -215,7 +215,7 @@
 		};
 
 		pio: pinctrl@1001f000 {
-			compatible = "mediatek,mt7988-pinctrl";
+			compatible = "mediatek,mt7988-pinctrl", "syscon";
 			reg = <0 0x1001f000 0 0x1000>,
 			<0 0x11c10000 0 0x1000>,
 			<0 0x11d00000 0 0x1000>,
diff --git a/target/linux/mediatek/files-6.1/arch/arm64/boot/dts/mediatek/mt7988a-dsa-10g-spim-nand.dts b/target/linux/mediatek/files-6.1/arch/arm64/boot/dts/mediatek/mt7988a-dsa-10g-spim-nand.dts
index 98dbf8d69..e204dc4f1 100644
--- a/target/linux/mediatek/files-6.1/arch/arm64/boot/dts/mediatek/mt7988a-dsa-10g-spim-nand.dts
+++ b/target/linux/mediatek/files-6.1/arch/arm64/boot/dts/mediatek/mt7988a-dsa-10g-spim-nand.dts
@@ -156,6 +156,7 @@
 	mdio {
 		#address-cells = <1>;
 		#size-cells = <0>;
+		mediatek,pio = <&pio>;
 
 		gsw_phy0: ethernet-phy@0 {
 			compatible = "ethernet-phy-id03a2.9481";
diff --git a/target/linux/mediatek/files-6.1/arch/arm64/boot/dts/mediatek/mt7988a.dtsi b/target/linux/mediatek/files-6.1/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
index 13ad39500..17de88562 100644
--- a/target/linux/mediatek/files-6.1/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
+++ b/target/linux/mediatek/files-6.1/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
@@ -215,7 +215,7 @@
 		};
 
 		pio: pinctrl@1001f000 {
-			compatible = "mediatek,mt7988-pinctrl";
+			compatible = "mediatek,mt7988-pinctrl", "syscon";
 			reg = <0 0x1001f000 0 0x1000>,
 			<0 0x11c10000 0 0x1000>,
 			<0 0x11d00000 0 0x1000>,