diff --git a/arch/arm/boot/dts/stm32f746.dtsi b/arch/arm/boot/dts/stm32f746.dtsi
index 5633860037d2..30eca7fc3206 100644
--- a/arch/arm/boot/dts/stm32f746.dtsi
+++ b/arch/arm/boot/dts/stm32f746.dtsi
@@ -167,6 +167,18 @@
 			status = "disabled";
 		};
 
+		i2c1: i2c@40005400 {
+			compatible = "st,stm32f7-i2c";
+			reg = <0x40005400 0x400>;
+			interrupts = <31>,
+				     <32>;
+			resets = <&rcc STM32F7_APB1_RESET(I2C1)>;
+			clocks = <&rcc 1 CLK_I2C1>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
 		cec: cec@40006c00 {
 			compatible = "st,stm32-cec";
 			reg = <0x40006C00 0x400>;
@@ -379,6 +391,16 @@
 					bias-disable;
 				};
 			};
+
+			i2c1_pins_b: i2c1@0 {
+				pins {
+					pinmux = <STM32F746_PB9_FUNC_I2C1_SDA>,
+						 <STM32F746_PB8_FUNC_I2C1_SCL>;
+					bias-disable;
+					drive-open-drain;
+					slew-rate = <0>;
+				};
+			};
 		};
 
 		crc: crc@40023000 {