diff --git a/arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi b/arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi
index 456ece7f8ebc..db485b9ed904 100644
--- a/arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi
+++ b/arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi
@@ -203,6 +203,25 @@ pins {
 		};
 	};
 
+	/omit-if-no-ref/
+	i2c1_pins_a: i2c1-0 {
+		pins {
+			pinmux = <STM32_PINMUX('G', 13, AF9)>, /* I2C1_SCL */
+				 <STM32_PINMUX('A', 2, AF10)>; /* I2C1_SDA */
+			bias-disable;
+			drive-open-drain;
+			slew-rate = <0>;
+		};
+	};
+
+	/omit-if-no-ref/
+	i2c1_sleep_pins_a: i2c1-sleep-0 {
+		pins {
+			pinmux = <STM32_PINMUX('G', 13, ANALOG)>, /* I2C1_SCL */
+				 <STM32_PINMUX('A', 2, ANALOG)>; /* I2C1_SDA */
+		};
+	};
+
 	/omit-if-no-ref/
 	i2c2_pins_a: i2c2-0 {
 		pins {