diff --git a/arch/arm/boot/dts/st/stm32mp157.dtsi b/arch/arm/boot/dts/st/stm32mp157.dtsi
index 5e733cd16ff9..6197d878894d 100644
--- a/arch/arm/boot/dts/st/stm32mp157.dtsi
+++ b/arch/arm/boot/dts/st/stm32mp157.dtsi
@@ -22,9 +22,27 @@
 			reg = <0x5a000000 0x800>;
 			clocks = <&rcc DSI_K>, <&clk_hse>, <&rcc DSI_PX>;
 			clock-names = "pclk", "ref", "px_clk";
+			phy-dsi-supply = <&reg18>;
 			resets = <&rcc DSI_R>;
 			reset-names = "apb";
 			status = "disabled";
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				port@0 {
+					reg = <0>;
+					dsi_in: endpoint {
+					};
+				};
+
+				port@1 {
+					reg = <1>;
+					dsi_out: endpoint {
+					};
+				};
+			};
 		};
 	};
 };
diff --git a/arch/arm/boot/dts/st/stm32mp157a-icore-stm32mp1-ctouch2-of10.dts b/arch/arm/boot/dts/st/stm32mp157a-icore-stm32mp1-ctouch2-of10.dts
index 4279b26547df..df97e03d2a5a 100644
--- a/arch/arm/boot/dts/st/stm32mp157a-icore-stm32mp1-ctouch2-of10.dts
+++ b/arch/arm/boot/dts/st/stm32mp157a-icore-stm32mp1-ctouch2-of10.dts
@@ -46,26 +46,14 @@
 
 &dsi {
 	status = "okay";
-	phy-dsi-supply = <&reg18>;
+};
 
-	ports {
-		#address-cells = <1>;
-		#size-cells = <0>;
+&dsi_in {
+	remote-endpoint = <&ltdc_ep0_out>;
+};
 
-		port@0 {
-			reg = <0>;
-			dsi_in: endpoint {
-				remote-endpoint = <&ltdc_ep0_out>;
-			};
-		};
-
-		port@1 {
-			reg = <1>;
-			dsi_out: endpoint {
-				remote-endpoint = <&bridge_in>;
-			};
-		};
-	};
+&dsi_out {
+	remote-endpoint = <&bridge_in>;
 };
 
 &i2c6 {
diff --git a/arch/arm/boot/dts/st/stm32mp157a-icore-stm32mp1-edimm2.2.dts b/arch/arm/boot/dts/st/stm32mp157a-icore-stm32mp1-edimm2.2.dts
index efba54289820..f8e404346396 100644
--- a/arch/arm/boot/dts/st/stm32mp157a-icore-stm32mp1-edimm2.2.dts
+++ b/arch/arm/boot/dts/st/stm32mp157a-icore-stm32mp1-edimm2.2.dts
@@ -46,26 +46,14 @@
 
 &dsi {
 	status = "okay";
-	phy-dsi-supply = <&reg18>;
+};
 
-	ports {
-		#address-cells = <1>;
-		#size-cells = <0>;
+&dsi_in {
+	remote-endpoint = <&ltdc_out_dsi>;
+};
 
-		port@0 {
-			reg = <0>;
-			dsi_in_ltdc: endpoint {
-				remote-endpoint = <&ltdc_out_dsi>;
-			};
-		};
-
-		port@1 {
-			reg = <1>;
-			dsi_out_bridge: endpoint {
-				remote-endpoint = <&bridge_in_dsi>;
-			};
-		};
-	};
+&dsi_out {
+	remote-endpoint = <&bridge_in_dsi>;
 };
 
 &i2c6 {
@@ -88,7 +76,7 @@
 			port@0 {
 				reg = <0>;
 				bridge_in_dsi: endpoint {
-					remote-endpoint = <&dsi_out_bridge>;
+					remote-endpoint = <&dsi_out>;
 					data-lanes = <1 2>;
 				};
 			};
@@ -108,7 +96,7 @@
 
 	port {
 		ltdc_out_dsi: endpoint {
-			remote-endpoint = <&dsi_in_ltdc>;
+			remote-endpoint = <&dsi_in>;
 		};
 	};
 };
diff --git a/arch/arm/boot/dts/st/stm32mp157c-dk2.dts b/arch/arm/boot/dts/st/stm32mp157c-dk2.dts
index 4bef2300ed7c..510cca5acb79 100644
--- a/arch/arm/boot/dts/st/stm32mp157c-dk2.dts
+++ b/arch/arm/boot/dts/st/stm32mp157c-dk2.dts
@@ -34,26 +34,6 @@
 	#address-cells = <1>;
 	#size-cells = <0>;
 	status = "okay";
-	phy-dsi-supply = <&reg18>;
-
-	ports {
-		#address-cells = <1>;
-		#size-cells = <0>;
-
-		port@0 {
-			reg = <0>;
-			dsi_in: endpoint {
-				remote-endpoint = <&ltdc_ep1_out>;
-			};
-		};
-
-		port@1 {
-			reg = <1>;
-			dsi_out: endpoint {
-				remote-endpoint = <&panel_in>;
-			};
-		};
-	};
 
 	panel@0 {
 		compatible = "orisetech,otm8009a";
@@ -70,6 +50,14 @@
 	};
 };
 
+&dsi_in {
+	remote-endpoint = <&ltdc_ep1_out>;
+};
+
+&dsi_out {
+	remote-endpoint = <&panel_in>;
+};
+
 &i2c1 {
 	touchscreen@38 {
 		compatible = "focaltech,ft6236";
diff --git a/arch/arm/boot/dts/st/stm32mp157c-ev1.dts b/arch/arm/boot/dts/st/stm32mp157c-ev1.dts
index af3800501875..cd9c3ff5378b 100644
--- a/arch/arm/boot/dts/st/stm32mp157c-ev1.dts
+++ b/arch/arm/boot/dts/st/stm32mp157c-ev1.dts
@@ -100,30 +100,10 @@
 };
 
 &dsi {
-	phy-dsi-supply = <&reg18>;
 	#address-cells = <1>;
 	#size-cells = <0>;
 	status = "okay";
 
-	ports {
-		#address-cells = <1>;
-		#size-cells = <0>;
-
-		port@0 {
-			reg = <0>;
-			dsi_in: endpoint {
-				remote-endpoint = <&ltdc_ep0_out>;
-			};
-		};
-
-		port@1 {
-			reg = <1>;
-			dsi_out: endpoint {
-				remote-endpoint = <&dsi_panel_in>;
-			};
-		};
-	};
-
 	panel@0 {
 		compatible = "raydium,rm68200";
 		reg = <0>;
@@ -140,6 +120,14 @@
 	};
 };
 
+&dsi_in {
+	remote-endpoint = <&ltdc_ep0_out>;
+};
+
+&dsi_out {
+	remote-endpoint = <&dsi_panel_in>;
+};
+
 &ethernet0 {
 	status = "okay";
 	pinctrl-0 = <&ethernet0_rgmii_pins_a>;