diff --git a/target/linux/ath79/dts/ar9330.dtsi b/target/linux/ath79/dts/ar9330.dtsi
index 65445de1f1..4649262b28 100644
--- a/target/linux/ath79/dts/ar9330.dtsi
+++ b/target/linux/ath79/dts/ar9330.dtsi
@@ -160,28 +160,44 @@
 
 	resets = <&rst 9>;
 	reset-names = "mac";
-};
-
-&mdio0 {
-	regmap = <&eth1>;
-	builtin-switch;
-	resets = <&rst 23>;
-	reset-names = "mdio";
+	phy-mode = "mii";
+	phy-handle = <&swphy4>;
 };
 
 &mdio1 {
+	status = "okay";
+
 	resets = <&rst 23>;
 	reset-names = "mdio";
-
 	builtin-switch;
+
+	builtin_switch: switch0@1f {
+		compatible = "qca,ar8216-builtin";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		reg = <0x1f>;
+
+		mdio-bus {
+			swphy4: ethernet-phy@4 {
+				reg = <4>;
+				phy-mode = "mii";
+			};
+		};
+	};
 };
 
 &eth1 {
-	compatible = "qca,ar9330-eth", "syscon";
+	compatible = "qca,ar9330-eth", "syscon", "simple-mfd";
 
 	pll-data = <0x00110000 0x00001099 0x00991099>;
 	phy-mode = "gmii";
 
 	resets = <&rst 13>;
 	reset-names = "mac";
+
+	fixed-link {
+		speed = <1000>;
+		full-duplex;
+	};
 };
diff --git a/target/linux/ath79/dts/ar9330_glinet_ar150.dts b/target/linux/ath79/dts/ar9330_glinet_ar150.dts
index 2b2524fc51..5e3552a30b 100644
--- a/target/linux/ath79/dts/ar9330_glinet_ar150.dts
+++ b/target/linux/ath79/dts/ar9330_glinet_ar150.dts
@@ -123,21 +123,10 @@
 	};
 };
 
-&mdio0 {
-	status = "okay";
-
-	phy4: ethernet-phy@4 {
-		reg = <4>;
-		phy-mode = "mii";
-	};
-};
-
 &eth0 {
 	status = "okay";
 
 	mtd-mac-address = <&art 0x0>;
-
-	phy-handle = <&phy4>;
 };
 
 &eth1 {
@@ -145,11 +134,6 @@
 
 	mtd-mac-address = <&art 0x0>;
 
-	fixed-link {
-		speed = <1000>;
-		full-duplex;
-	};
-
 	gmac-config {
 		device = <&gmac>;
 
diff --git a/target/linux/ath79/dts/ar9331_embeddedwireless_dorin.dts b/target/linux/ath79/dts/ar9331_embeddedwireless_dorin.dts
index db4cd76bec..1ce8851a11 100644
--- a/target/linux/ath79/dts/ar9331_embeddedwireless_dorin.dts
+++ b/target/linux/ath79/dts/ar9331_embeddedwireless_dorin.dts
@@ -108,12 +108,6 @@
 
 	mtd-mac-address = <&art 0x1002>;
 	mtd-mac-address-increment = <0x40>;
-
-	fixed-link {
-		speed = <1000>;
-		full-duplex;
-	};
-
 };
 
 &mdio1 {
diff --git a/target/linux/ath79/dts/ar9331_etactica-eg200.dts b/target/linux/ath79/dts/ar9331_etactica-eg200.dts
index 325576e7f3..5d6b72cd80 100644
--- a/target/linux/ath79/dts/ar9331_etactica-eg200.dts
+++ b/target/linux/ath79/dts/ar9331_etactica-eg200.dts
@@ -73,18 +73,9 @@
 	status = "okay";
 };
 
-&mdio0 {
-	status = "okay";
-	phy4: ethernet-phy@4 {
-		reg = <4>;
-		phy-mode = "mii";
-	};
-};
-
 &eth0 {
 	status = "okay";
 	mtd-mac-address = <&art 0x0>;
-	phy-handle = <&phy4>;
 
 	gmac-config {
 		device = <&gmac>;
@@ -93,6 +84,11 @@
 	};
 };
 
+&eth1 {
+	status = "okay";
+	compatible = "syscon", "simple-mfd";
+};
+
 &spi {
 	num-chipselects = <1>;
 	status = "okay";
diff --git a/target/linux/ath79/dts/ar9331_tl-mr3020-v1.dts b/target/linux/ath79/dts/ar9331_tl-mr3020-v1.dts
index 531a637687..74db416ba6 100644
--- a/target/linux/ath79/dts/ar9331_tl-mr3020-v1.dts
+++ b/target/linux/ath79/dts/ar9331_tl-mr3020-v1.dts
@@ -155,31 +155,24 @@
 	};
 };
 
-&mdio1 {
-	status = "okay";
-	phy4: ethernet-phy@4 {
-		reg = <4>;
-	};
-};
 
-&eth1 {
+&eth0 {
 	status = "okay";
-	phy-handle = <&phy4>;
 
 	mtd-mac-address = <&uboot 0x1fc00>;
-	fixed-link {
-		speed = <1000>;
-		full-duplex;
-	};
-
 	gmac-config {
-	        device = <&gmac>;
+		device = <&gmac>;
 
-		switch-phy-addr-swap = <1>;
-		switch-phy-swap = <1>;
+		switch-phy-addr-swap = <0>;
+		switch-phy-swap = <0>;
 	};
 };
 
+&eth1 {
+	status = "okay";
+	compatible = "syscon", "simple-mfd";
+};
+
 &wmac {
 	status = "okay";
 	mtd-cal-data = <&art 0x1000>;
diff --git a/target/linux/ath79/dts/ar9331_tl-wr703n_tl-mr10u.dtsi b/target/linux/ath79/dts/ar9331_tl-wr703n_tl-mr10u.dtsi
index f45572a7f7..d23dea7d92 100644
--- a/target/linux/ath79/dts/ar9331_tl-wr703n_tl-mr10u.dtsi
+++ b/target/linux/ath79/dts/ar9331_tl-wr703n_tl-mr10u.dtsi
@@ -84,8 +84,6 @@
 &eth0 {
 	status = "okay";
 
-	phy-handle = <&phy4>;
-
 	mtd-mac-address = <&uboot 0x1fc00>;
 
 	gmac-config {
@@ -96,17 +94,13 @@
 	};
 };
 
-&gpio {
+&eth1 {
 	status = "okay";
+	compatible = "syscon", "simple-mfd";
 };
 
-&mdio0 {
+&gpio {
 	status = "okay";
-
-	phy4: ethernet-phy@4 {
-		reg = <4>;
-		phy-mode = "mii";
-	};
 };
 
 &uart {
diff --git a/target/linux/ath79/dts/ar9331_tl-wr741nd-v4.dtsi b/target/linux/ath79/dts/ar9331_tl-wr741nd-v4.dtsi
index 615d317e41..9d8c1a022e 100644
--- a/target/linux/ath79/dts/ar9331_tl-wr741nd-v4.dtsi
+++ b/target/linux/ath79/dts/ar9331_tl-wr741nd-v4.dtsi
@@ -121,20 +121,9 @@
 	};
 };
 
-&mdio0 {
-	status = "okay";
-
-	phy4: ethernet-phy@4 {
-		reg = <4>;
-		phy-mode = "mii";
-	};
-};
-
 &eth0 {
 	status = "okay";
 
-	phy-handle = <&phy4>;
-
 	mtd-mac-address = <&uboot 0x1fc00>;
 	mtd-mac-address-increment = <1>;
 
@@ -151,11 +140,6 @@
 
 	mtd-mac-address = <&uboot 0x1fc00>;
 	mtd-mac-address-increment = <(-1)>;
-
-	fixed-link {
-		speed = <1000>;
-		full-duplex;
-	};
 };
 
 &gpio {