diff --git a/target/linux/ath79/dts/ar7240.dtsi b/target/linux/ath79/dts/ar7240.dtsi
index d51bd701e57..97998ae7419 100644
--- a/target/linux/ath79/dts/ar7240.dtsi
+++ b/target/linux/ath79/dts/ar7240.dtsi
@@ -90,6 +90,7 @@
 	reset-names = "mac";
 
 	phy-mode = "gmii";
+	builtin-switch;
 
 	fixed-link {
 		speed = <1000>;
diff --git a/target/linux/ath79/dts/ar7241.dtsi b/target/linux/ath79/dts/ar7241.dtsi
index 3eb0b17e79e..1463208e53e 100644
--- a/target/linux/ath79/dts/ar7241.dtsi
+++ b/target/linux/ath79/dts/ar7241.dtsi
@@ -94,6 +94,7 @@
 	reset-names = "mac";
 
 	phy-mode = "gmii";
+	builtin-switch;
 
 	fixed-link {
 		speed = <1000>;
diff --git a/target/linux/ath79/dts/ar7242.dtsi b/target/linux/ath79/dts/ar7242.dtsi
index 414e9676160..b6c4a45f685 100644
--- a/target/linux/ath79/dts/ar7242.dtsi
+++ b/target/linux/ath79/dts/ar7242.dtsi
@@ -85,6 +85,7 @@
 	reset-names = "mac";
 
 	phy-mode = "gmii";
+	builtin-switch;
 
 	fixed-link {
 		speed = <1000>;
diff --git a/target/linux/ath79/dts/ar9330.dtsi b/target/linux/ath79/dts/ar9330.dtsi
index 71c59a1a38d..7b064923925 100644
--- a/target/linux/ath79/dts/ar9330.dtsi
+++ b/target/linux/ath79/dts/ar9330.dtsi
@@ -221,6 +221,7 @@
 
 	pll-data = <0x00110000 0x00001099 0x00991099>;
 	phy-mode = "gmii";
+	builtin-switch;
 
 	resets = <&rst 13>;
 	reset-names = "mac";
diff --git a/target/linux/ath79/dts/ar934x.dtsi b/target/linux/ath79/dts/ar934x.dtsi
index 7f26c35bbef..e03550ae55b 100644
--- a/target/linux/ath79/dts/ar934x.dtsi
+++ b/target/linux/ath79/dts/ar934x.dtsi
@@ -283,6 +283,7 @@
 	clocks = <&pll ATH79_CLK_AHB>, <&pll ATH79_CLK_AHB>;
 	clock-names = "eth", "mdio";
 	phy-mode = "gmii";
+	builtin-switch;
 
 	fixed-link {
 		speed = <1000>;
diff --git a/target/linux/ath79/dts/qca953x.dtsi b/target/linux/ath79/dts/qca953x.dtsi
index ca1ba6ce204..4c804b9c547 100644
--- a/target/linux/ath79/dts/qca953x.dtsi
+++ b/target/linux/ath79/dts/qca953x.dtsi
@@ -283,6 +283,7 @@
 	reset-names = "mac";
 
 	phy-mode = "gmii";
+	builtin-switch;
 
 	fixed-link {
 		speed = <1000>;
diff --git a/target/linux/ath79/dts/qca956x.dtsi b/target/linux/ath79/dts/qca956x.dtsi
index 433cbafc1ae..f1b458c3f9a 100644
--- a/target/linux/ath79/dts/qca956x.dtsi
+++ b/target/linux/ath79/dts/qca956x.dtsi
@@ -324,6 +324,7 @@
 	compatible = "qca,qca9560-eth", "syscon";
 
 	phy-mode = "gmii";
+	builtin-switch;
 
 	resets = <&rst 13>;
 	reset-names = "mac";