diff --git a/dts/arm/st/stm32f407-pinctrl.dtsi b/dts/arm/st/stm32f405-pinctrl.dtsi
similarity index 100%
rename from dts/arm/st/stm32f407-pinctrl.dtsi
rename to dts/arm/st/stm32f405-pinctrl.dtsi
diff --git a/dts/arm/st/stm32f405.dtsi b/dts/arm/st/stm32f405.dtsi
index 51a97491098..0c5c6c11e89 100644
--- a/dts/arm/st/stm32f405.dtsi
+++ b/dts/arm/st/stm32f405.dtsi
@@ -1,8 +1,43 @@
 /*
- * Copyright (c) 2017 Erwin Rol <erwin@erwinrol.com>
+ * Copyright (c) 2017 Linaro Limited
  *
  * SPDX-License-Identifier: Apache-2.0
  */
 
-#include <st/stm32f407.dtsi>
+#include <st/stm32f405-pinctrl.dtsi>
+#include <st/stm32f411.dtsi>
 
+/ {
+	soc {
+		pinctrl: pin-controller {
+			reg = <0x40020000 0x2800>;
+		};
+
+		usart3: serial@40004800 {
+			compatible = "st,stm32-usart", "st,stm32-uart";
+			reg = <0x40004800 0x400>;
+			clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00040000>;
+			interrupts = <39 0>;
+			status = "disabled";
+			label = "UART_3";
+		};
+
+		uart4: serial@40004c00 {
+			compatible ="st,stm32-uart";
+			reg = <0x40004c00 0x400>;
+			clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00080000>;
+			interrupts = <52 0>;
+			status = "disabled";
+			label = "UART_4";
+		};
+
+		uart5: serial@40005000 {
+			compatible = "st,stm32-uart";
+			reg = <0x40005000 0x400>;
+			clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00100000>;
+			interrupts = <53 0>;
+			status = "disabled";
+			label = "UART_5";
+		};
+	};
+};
diff --git a/dts/arm/st/stm32f407.dtsi b/dts/arm/st/stm32f407.dtsi
index 6d12cd09d3f..688dcecea6f 100644
--- a/dts/arm/st/stm32f407.dtsi
+++ b/dts/arm/st/stm32f407.dtsi
@@ -1,43 +1,7 @@
 /*
- * Copyright (c) 2017 Linaro Limited
+ * Copyright (c) 2017 Erwin Rol <erwin@erwinrol.com>
  *
  * SPDX-License-Identifier: Apache-2.0
  */
 
-#include <st/stm32f407-pinctrl.dtsi>
-#include <st/stm32f411.dtsi>
-
-/ {
-	soc {
-		pinctrl: pin-controller {
-			reg = <0x40020000 0x2800>;
-		};
-
-		usart3: serial@40004800 {
-			compatible = "st,stm32-usart", "st,stm32-uart";
-			reg = <0x40004800 0x400>;
-			clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00040000>;
-			interrupts = <39 0>;
-			status = "disabled";
-			label = "UART_3";
-		};
-
-		uart4: serial@40004c00 {
-			compatible ="st,stm32-uart";
-			reg = <0x40004c00 0x400>;
-			clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00080000>;
-			interrupts = <52 0>;
-			status = "disabled";
-			label = "UART_4";
-		};
-
-		uart5: serial@40005000 {
-			compatible = "st,stm32-uart";
-			reg = <0x40005000 0x400>;
-			clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00100000>;
-			interrupts = <53 0>;
-			status = "disabled";
-			label = "UART_5";
-		};
-	};
-};
+#include <st/stm32f405.dtsi>