diff --git a/arch/arm/boot/dts/st/stm32mp15-pinctrl.dtsi b/arch/arm/boot/dts/st/stm32mp15-pinctrl.dtsi
index 835b034d0aa7..8613a6a17ee9 100644
--- a/arch/arm/boot/dts/st/stm32mp15-pinctrl.dtsi
+++ b/arch/arm/boot/dts/st/stm32mp15-pinctrl.dtsi
@@ -5,6 +5,14 @@
  */
 #include <dt-bindings/pinctrl/stm32-pinfunc.h>
 
+&hdp {
+	/omit-if-no-ref/
+	hdp2_gpo: hdp2-pins {
+		function = "gpoval2";
+		pins = "HDP2";
+	};
+};
+
 &pinctrl {
 	/omit-if-no-ref/
 	adc1_ain_pins_a: adc1-ain-0 {
@@ -731,6 +739,23 @@
 		};
 	};
 
+	/omit-if-no-ref/
+	hdp2_pins_a: hdp2-0 {
+		pins {
+			pinmux = <STM32_PINMUX('E', 13, AF0)>; /* HDP2 */
+			bias-disable;
+			drive-push-pull;
+			slew-rate = <2>;
+		};
+	};
+
+	/omit-if-no-ref/
+	hdp2_sleep_pins_a: hdp2-sleep-0 {
+		pins {
+			pinmux = <STM32_PINMUX('E', 13, ANALOG)>; /* HDP2 */
+		};
+	};
+
 	/omit-if-no-ref/
 	i2c1_pins_a: i2c1-0 {
 		pins {