diff --git a/target/linux/realtek/dts/rtl8392_zyxel_gs1920-24hp-v1.dts b/target/linux/realtek/dts/rtl8392_zyxel_gs1920-24hp-v1.dts
index 1eff3f5ee3..bc71e445ce 100644
--- a/target/linux/realtek/dts/rtl8392_zyxel_gs1920-24hp-v1.dts
+++ b/target/linux/realtek/dts/rtl8392_zyxel_gs1920-24hp-v1.dts
@@ -70,12 +70,12 @@
 	};
 };
 
-&mdio_bus0 {
+&mdio_bus1 {
 	/* External phy RTL8214FC #1 */
-	PHY_C22_SFP(48, 48, 0)
-	PHY_C22_SFP(49, 49, 1)
-	PHY_C22_SFP(50, 50, 2)
-	PHY_C22_SFP(51, 51, 3)
+	PHY_C22_SFP(48, 24, 0)
+	PHY_C22_SFP(49, 25, 1)
+	PHY_C22_SFP(50, 26, 2)
+	PHY_C22_SFP(51, 27, 3)
 };
 
 &switch0 {
diff --git a/target/linux/realtek/dts/rtl8393_d-link_dgs-1210-52.dts b/target/linux/realtek/dts/rtl8393_d-link_dgs-1210-52.dts
index 4001219f7d..374fee05be 100644
--- a/target/linux/realtek/dts/rtl8393_d-link_dgs-1210-52.dts
+++ b/target/linux/realtek/dts/rtl8393_d-link_dgs-1210-52.dts
@@ -40,42 +40,44 @@
 	PHY_C22(21, 21)
 	PHY_C22(22, 22)
 	PHY_C22(23, 23)
+};
 
+&mdio_bus1 {
 	/* External phy RTL8218B #4 */
-	PHY_C22(24, 24)
-	PHY_C22(25, 25)
-	PHY_C22(26, 26)
-	PHY_C22(27, 27)
-	PHY_C22(28, 28)
-	PHY_C22(29, 29)
-	PHY_C22(30, 30)
-	PHY_C22(31, 31)
+	PHY_C22(24, 0)
+	PHY_C22(25, 1)
+	PHY_C22(26, 2)
+	PHY_C22(27, 3)
+	PHY_C22(28, 4)
+	PHY_C22(29, 5)
+	PHY_C22(30, 6)
+	PHY_C22(31, 7)
 
 	/* External phy RTL8218B #5 */
-	PHY_C22(32, 32)
-	PHY_C22(33, 33)
-	PHY_C22(34, 34)
-	PHY_C22(35, 35)
-	PHY_C22(36, 36)
-	PHY_C22(37, 37)
-	PHY_C22(38, 38)
-	PHY_C22(39, 39)
+	PHY_C22(32, 8)
+	PHY_C22(33, 9)
+	PHY_C22(34, 10)
+	PHY_C22(35, 11)
+	PHY_C22(36, 12)
+	PHY_C22(37, 13)
+	PHY_C22(38, 14)
+	PHY_C22(39, 15)
 
 	/* External phy RTL8218B #6 */
-	PHY_C22(40, 40)
-	PHY_C22(41, 41)
-	PHY_C22(42, 42)
-	PHY_C22(43, 43)
-	PHY_C22(44, 44)
-	PHY_C22(45, 45)
-	PHY_C22(46, 46)
-	PHY_C22(47, 47)
+	PHY_C22(40, 16)
+	PHY_C22(41, 17)
+	PHY_C22(42, 18)
+	PHY_C22(43, 19)
+	PHY_C22(44, 20)
+	PHY_C22(45, 21)
+	PHY_C22(46, 22)
+	PHY_C22(47, 23)
 
 	/* External phy RTL8214FC */
-	PHY_C22_SFP(48, 48, 0)
-	PHY_C22_SFP(49, 49, 1)
-	PHY_C22_SFP(50, 50, 2)
-	PHY_C22_SFP(51, 51, 3)
+	PHY_C22_SFP(48, 24, 0)
+	PHY_C22_SFP(49, 25, 1)
+	PHY_C22_SFP(50, 26, 2)
+	PHY_C22_SFP(51, 27, 3)
 };
 
 &switch0 {
diff --git a/target/linux/realtek/dts/rtl8393_edgecore_ecs4100-12ph.dts b/target/linux/realtek/dts/rtl8393_edgecore_ecs4100-12ph.dts
index 1b8aebf5d5..5c65ac91da 100644
--- a/target/linux/realtek/dts/rtl8393_edgecore_ecs4100-12ph.dts
+++ b/target/linux/realtek/dts/rtl8393_edgecore_ecs4100-12ph.dts
@@ -180,12 +180,14 @@
 	PHY_C22(5, 5)
 	PHY_C22(6, 6)
 	PHY_C22(7, 7)
+};
 
+&mdio_bus1 {
 	/* External phy RTL8214FC */
-	PHY_C22_SFP(48, 48, 0)
-	PHY_C22_SFP(49, 49, 1)
-	PHY_C22_SFP(50, 50, 2)
-	PHY_C22_SFP(51, 51, 3)
+	PHY_C22_SFP(48, 24, 0)
+	PHY_C22_SFP(49, 25, 1)
+	PHY_C22_SFP(50, 26, 2)
+	PHY_C22_SFP(51, 27, 3)
 };
 
 &spi0 {
diff --git a/target/linux/realtek/dts/rtl8393_hpe_1920-48g-poe.dts b/target/linux/realtek/dts/rtl8393_hpe_1920-48g-poe.dts
index db813768c7..8c138a5a3a 100644
--- a/target/linux/realtek/dts/rtl8393_hpe_1920-48g-poe.dts
+++ b/target/linux/realtek/dts/rtl8393_hpe_1920-48g-poe.dts
@@ -90,11 +90,11 @@
 	};
 };
 
-&mdio_bus0 {
-	PHY_C22_SFP(48, 48, 0)
-	PHY_C22_SFP(49, 49, 1)
-	PHY_C22_SFP(50, 50, 2)
-	PHY_C22_SFP(51, 51, 3)
+&mdio_bus1 {
+	PHY_C22_SFP(48, 24, 0)
+	PHY_C22_SFP(49, 25, 1)
+	PHY_C22_SFP(50, 26, 2)
+	PHY_C22_SFP(51, 27, 3)
 };
 
 &switch0 {
diff --git a/target/linux/realtek/dts/rtl8393_hpe_1920-48g.dts b/target/linux/realtek/dts/rtl8393_hpe_1920-48g.dts
index 5393e8fbac..6b0760d696 100644
--- a/target/linux/realtek/dts/rtl8393_hpe_1920-48g.dts
+++ b/target/linux/realtek/dts/rtl8393_hpe_1920-48g.dts
@@ -80,11 +80,11 @@
 
 };
 
-&mdio_bus0 {
-	PHY_C22_SFP(48, 48, 1)
-	PHY_C22_SFP(49, 49, 3)
-	PHY_C22_SFP(50, 50, 0)
-	PHY_C22_SFP(51, 51, 2)
+&mdio_bus1 {
+	PHY_C22_SFP(48, 24, 1)
+	PHY_C22_SFP(49, 25, 3)
+	PHY_C22_SFP(50, 26, 0)
+	PHY_C22_SFP(51, 27, 2)
 };
 
 
diff --git a/target/linux/realtek/dts/rtl8393_hpe_1920.dtsi b/target/linux/realtek/dts/rtl8393_hpe_1920.dtsi
index a4d5299a27..05ca0c4896 100644
--- a/target/linux/realtek/dts/rtl8393_hpe_1920.dtsi
+++ b/target/linux/realtek/dts/rtl8393_hpe_1920.dtsi
@@ -51,33 +51,35 @@
 	PHY_C22(21, 21)
 	PHY_C22(22, 22)
 	PHY_C22(23, 23)
+};
 
-	PHY_C22(24, 24)
-	PHY_C22(25, 25)
-	PHY_C22(26, 26)
-	PHY_C22(27, 27)
-	PHY_C22(28, 28)
-	PHY_C22(29, 29)
-	PHY_C22(30, 30)
-	PHY_C22(31, 31)
+&mdio_bus1 {
+	PHY_C22(24, 0)
+	PHY_C22(25, 1)
+	PHY_C22(26, 2)
+	PHY_C22(27, 3)
+	PHY_C22(28, 4)
+	PHY_C22(29, 5)
+	PHY_C22(30, 6)
+	PHY_C22(31, 7)
 
-	PHY_C22(32, 32)
-	PHY_C22(33, 33)
-	PHY_C22(34, 34)
-	PHY_C22(35, 35)
-	PHY_C22(36, 36)
-	PHY_C22(37, 37)
-	PHY_C22(38, 38)
-	PHY_C22(39, 39)
+	PHY_C22(32, 8)
+	PHY_C22(33, 9)
+	PHY_C22(34, 10)
+	PHY_C22(35, 11)
+	PHY_C22(36, 12)
+	PHY_C22(37, 13)
+	PHY_C22(38, 14)
+	PHY_C22(39, 15)
 
-	PHY_C22(40, 40)
-	PHY_C22(41, 41)
-	PHY_C22(42, 42)
-	PHY_C22(43, 43)
-	PHY_C22(44, 44)
-	PHY_C22(45, 45)
-	PHY_C22(46, 46)
-	PHY_C22(47, 47)
+	PHY_C22(40, 16)
+	PHY_C22(41, 17)
+	PHY_C22(42, 18)
+	PHY_C22(43, 19)
+	PHY_C22(44, 20)
+	PHY_C22(45, 21)
+	PHY_C22(46, 22)
+	PHY_C22(47, 23)
 };
 
 &switch0 {
diff --git a/target/linux/realtek/dts/rtl8393_netgear_gs750e.dts b/target/linux/realtek/dts/rtl8393_netgear_gs750e.dts
index 906a04d9a3..bfdc357205 100644
--- a/target/linux/realtek/dts/rtl8393_netgear_gs750e.dts
+++ b/target/linux/realtek/dts/rtl8393_netgear_gs750e.dts
@@ -135,36 +135,38 @@
 	PHY_C22(21, 21)
 	PHY_C22(22, 22)
 	PHY_C22(23, 23)
+};
 
+&mdio_bus1 {
 	/* External phy RTL8218B #4 */
-	PHY_C22(24, 24)
-	PHY_C22(25, 25)
-	PHY_C22(26, 26)
-	PHY_C22(27, 27)
-	PHY_C22(28, 28)
-	PHY_C22(29, 29)
-	PHY_C22(30, 30)
-	PHY_C22(31, 31)
+	PHY_C22(24, 0)
+	PHY_C22(25, 1)
+	PHY_C22(26, 2)
+	PHY_C22(27, 3)
+	PHY_C22(28, 4)
+	PHY_C22(29, 5)
+	PHY_C22(30, 6)
+	PHY_C22(31, 7)
 
 	/* External phy RTL8218B #5 */
-	PHY_C22(32, 32)
-	PHY_C22(33, 33)
-	PHY_C22(34, 34)
-	PHY_C22(35, 35)
-	PHY_C22(36, 36)
-	PHY_C22(37, 37)
-	PHY_C22(38, 38)
-	PHY_C22(39, 39)
+	PHY_C22(32, 8)
+	PHY_C22(33, 9)
+	PHY_C22(34, 10)
+	PHY_C22(35, 11)
+	PHY_C22(36, 12)
+	PHY_C22(37, 13)
+	PHY_C22(38, 14)
+	PHY_C22(39, 15)
 
 	/* External phy RTL8218B #6 */
-	PHY_C22(40, 40)
-	PHY_C22(41, 41)
-	PHY_C22(42, 42)
-	PHY_C22(43, 43)
-	PHY_C22(44, 44)
-	PHY_C22(45, 45)
-	PHY_C22(46, 46)
-	PHY_C22(47, 47)
+	PHY_C22(40, 16)
+	PHY_C22(41, 17)
+	PHY_C22(42, 18)
+	PHY_C22(43, 19)
+	PHY_C22(44, 20)
+	PHY_C22(45, 21)
+	PHY_C22(46, 22)
+	PHY_C22(47, 23)
 };
 
 &switch0 {
diff --git a/target/linux/realtek/dts/rtl8393_panasonic_m48eg-pn28480k.dts b/target/linux/realtek/dts/rtl8393_panasonic_m48eg-pn28480k.dts
index 5c811f36fa..783f933ad3 100644
--- a/target/linux/realtek/dts/rtl8393_panasonic_m48eg-pn28480k.dts
+++ b/target/linux/realtek/dts/rtl8393_panasonic_m48eg-pn28480k.dts
@@ -269,34 +269,36 @@
 	PHY_C22(21, 21)
 	PHY_C22(22, 22)
 	PHY_C22(23, 23)
+};
 
-	PHY_C22(24, 24)
-	PHY_C22(25, 25)
-	PHY_C22(26, 26)
-	PHY_C22(27, 27)
-	PHY_C22(28, 28)
-	PHY_C22(29, 29)
-	PHY_C22(30, 30)
-	PHY_C22(31, 31)
+&mdio_bus1 {
+	PHY_C22(24, 0)
+	PHY_C22(25, 1)
+	PHY_C22(26, 2)
+	PHY_C22(27, 3)
+	PHY_C22(28, 4)
+	PHY_C22(29, 5)
+	PHY_C22(30, 6)
+	PHY_C22(31, 7)
 
-	PHY_C22(32, 32)
-	PHY_C22(33, 33)
-	PHY_C22(34, 34)
-	PHY_C22(35, 35)
-	PHY_C22(36, 36)
-	PHY_C22(37, 37)
-	PHY_C22(38, 38)
-	PHY_C22(39, 39)
+	PHY_C22(32, 8)
+	PHY_C22(33, 9)
+	PHY_C22(34, 10)
+	PHY_C22(35, 11)
+	PHY_C22(36, 12)
+	PHY_C22(37, 13)
+	PHY_C22(38, 14)
+	PHY_C22(39, 15)
 
 	/* RTL8218FB */
-	PHY_C22(40, 40)
-	PHY_C22(41, 41)
-	PHY_C22(42, 42)
-	PHY_C22(43, 43)
-	PHY_C22(44, 44)
-	PHY_C22(45, 45)
-	PHY_C22(46, 46)
-	PHY_C22(47, 47)
+	PHY_C22(40, 16)
+	PHY_C22(41, 17)
+	PHY_C22(42, 18)
+	PHY_C22(43, 19)
+	PHY_C22(44, 20)
+	PHY_C22(45, 21)
+	PHY_C22(46, 22)
+	PHY_C22(47, 23)
 };
 
 &switch0 {
diff --git a/target/linux/realtek/dts/rtl8393_tplink_sg2452p-v4.dts b/target/linux/realtek/dts/rtl8393_tplink_sg2452p-v4.dts
index 10526efc5c..8d0823d728 100644
--- a/target/linux/realtek/dts/rtl8393_tplink_sg2452p-v4.dts
+++ b/target/linux/realtek/dts/rtl8393_tplink_sg2452p-v4.dts
@@ -309,36 +309,38 @@
 	PHY_C22(21, 21)
 	PHY_C22(22, 22)
 	PHY_C22(23, 23)
+};
 
+&mdio_bus1 {
 	/* External phy RTL8218B #4 */
-	PHY_C22(24, 24)
-	PHY_C22(25, 25)
-	PHY_C22(26, 26)
-	PHY_C22(27, 27)
-	PHY_C22(28, 28)
-	PHY_C22(29, 29)
-	PHY_C22(30, 30)
-	PHY_C22(31, 31)
+	PHY_C22(24, 0)
+	PHY_C22(25, 1)
+	PHY_C22(26, 2)
+	PHY_C22(27, 3)
+	PHY_C22(28, 4)
+	PHY_C22(29, 5)
+	PHY_C22(30, 6)
+	PHY_C22(31, 7)
 
 	/* External phy RTL8218B #5 */
-	PHY_C22(32, 32)
-	PHY_C22(33, 33)
-	PHY_C22(34, 34)
-	PHY_C22(35, 35)
-	PHY_C22(36, 36)
-	PHY_C22(37, 37)
-	PHY_C22(38, 38)
-	PHY_C22(39, 39)
+	PHY_C22(32, 8)
+	PHY_C22(33, 9)
+	PHY_C22(34, 10)
+	PHY_C22(35, 11)
+	PHY_C22(36, 12)
+	PHY_C22(37, 13)
+	PHY_C22(38, 14)
+	PHY_C22(39, 15)
 
 	/* External phy RTL8218B #6 */
-	PHY_C22(40, 40)
-	PHY_C22(41, 41)
-	PHY_C22(42, 42)
-	PHY_C22(43, 43)
-	PHY_C22(44, 44)
-	PHY_C22(45, 45)
-	PHY_C22(46, 46)
-	PHY_C22(47, 47)
+	PHY_C22(40, 16)
+	PHY_C22(41, 17)
+	PHY_C22(42, 18)
+	PHY_C22(43, 19)
+	PHY_C22(44, 20)
+	PHY_C22(45, 21)
+	PHY_C22(46, 22)
+	PHY_C22(47, 23)
 };
 
 &switch0 {
diff --git a/target/linux/realtek/dts/rtl8393_zyxel_gs1900-48.dtsi b/target/linux/realtek/dts/rtl8393_zyxel_gs1900-48.dtsi
index bd19062b54..b6fe0d8904 100644
--- a/target/linux/realtek/dts/rtl8393_zyxel_gs1900-48.dtsi
+++ b/target/linux/realtek/dts/rtl8393_zyxel_gs1900-48.dtsi
@@ -274,36 +274,38 @@
 	PHY_C22(21, 21)
 	PHY_C22(22, 22)
 	PHY_C22(23, 23)
+};
 
+&mdio_bus1 {
 	/* External phy RTL8218B #4 */
-	PHY_C22(24, 24)
-	PHY_C22(25, 25)
-	PHY_C22(26, 26)
-	PHY_C22(27, 27)
-	PHY_C22(28, 28)
-	PHY_C22(29, 29)
-	PHY_C22(30, 30)
-	PHY_C22(31, 31)
+	PHY_C22(24, 0)
+	PHY_C22(25, 1)
+	PHY_C22(26, 2)
+	PHY_C22(27, 3)
+	PHY_C22(28, 4)
+	PHY_C22(29, 5)
+	PHY_C22(30, 6)
+	PHY_C22(31, 7)
 
 	/* External phy RTL8218B #5 */
-	PHY_C22(32, 32)
-	PHY_C22(33, 33)
-	PHY_C22(34, 34)
-	PHY_C22(35, 35)
-	PHY_C22(36, 36)
-	PHY_C22(37, 37)
-	PHY_C22(38, 38)
-	PHY_C22(39, 39)
+	PHY_C22(32, 8)
+	PHY_C22(33, 9)
+	PHY_C22(34, 10)
+	PHY_C22(35, 11)
+	PHY_C22(36, 12)
+	PHY_C22(37, 13)
+	PHY_C22(38, 14)
+	PHY_C22(39, 15)
 
 	/* External phy RTL8218B #6 */
-	PHY_C22(40, 40)
-	PHY_C22(41, 41)
-	PHY_C22(42, 42)
-	PHY_C22(43, 43)
-	PHY_C22(44, 44)
-	PHY_C22(45, 45)
-	PHY_C22(46, 46)
-	PHY_C22(47, 47)
+	PHY_C22(40, 16)
+	PHY_C22(41, 17)
+	PHY_C22(42, 18)
+	PHY_C22(43, 19)
+	PHY_C22(44, 20)
+	PHY_C22(45, 21)
+	PHY_C22(46, 22)
+	PHY_C22(47, 23)
 };
 
 &switch0 {
diff --git a/target/linux/realtek/dts/rtl839x.dtsi b/target/linux/realtek/dts/rtl839x.dtsi
index c06773f83e..48b383687d 100644
--- a/target/linux/realtek/dts/rtl839x.dtsi
+++ b/target/linux/realtek/dts/rtl839x.dtsi
@@ -236,6 +236,11 @@
 				#address-cells = <1>;
 				#size-cells = <0>;
 			};
+			mdio_bus1: mdio-bus@1 {
+				reg = <1>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+			};
 		};
 
 		mdio_aux: mdio-aux {