diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,sgmiisys.txt b/Documentation/devicetree/bindings/arm/mediatek/mediatek,sgmiisys.txt
index f5518f26a914..30cb645c0e54 100644
--- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,sgmiisys.txt
+++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,sgmiisys.txt
@@ -9,8 +9,6 @@ Required Properties:
 	- "mediatek,mt7622-sgmiisys", "syscon"
 	- "mediatek,mt7629-sgmiisys", "syscon"
 - #clock-cells: Must be 1
-- mediatek,physpeed: Should be one of "auto", "1000" or "2500" to match up
-		     the capability of the target PHY.
 
 The SGMIISYS controller uses the common clk binding from
 Documentation/devicetree/bindings/clock/clock-bindings.txt
diff --git a/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts b/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
index 710c5c3d87d3..83e10591e0e5 100644
--- a/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
@@ -115,24 +115,34 @@
 };
 
 &eth {
-	pinctrl-names = "default";
-	pinctrl-0 = <&eth_pins>;
 	status = "okay";
+	gmac0: mac@0 {
+		compatible = "mediatek,eth-mac";
+		reg = <0>;
+		phy-mode = "2500base-x";
+
+		fixed-link {
+			speed = <2500>;
+			full-duplex;
+			pause;
+		};
+	};
 
 	gmac1: mac@1 {
 		compatible = "mediatek,eth-mac";
 		reg = <1>;
-		phy-handle = <&phy5>;
+		phy-mode = "rgmii";
+
+		fixed-link {
+			speed = <1000>;
+			full-duplex;
+			pause;
+		};
 	};
 
-	mdio-bus {
+	mdio: mdio-bus {
 		#address-cells = <1>;
 		#size-cells = <0>;
-
-		phy5: ethernet-phy@5 {
-			reg = <5>;
-			phy-mode = "sgmii";
-		};
 	};
 };
 
diff --git a/arch/arm64/boot/dts/mediatek/mt7622.dtsi b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
index d1e13d340e26..dac51e98204c 100644
--- a/arch/arm64/boot/dts/mediatek/mt7622.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
@@ -931,6 +931,5 @@
 			     "syscon";
 		reg = <0 0x1b128000 0 0x3000>;
 		#clock-cells = <1>;
-		mediatek,physpeed = "2500";
 	};
 };