diff --git a/arch/arm64/boot/dts/st/stm32mp251.dtsi b/arch/arm64/boot/dts/st/stm32mp251.dtsi
index 303abf915b8e..9372bc3c3a4b 100644
--- a/arch/arm64/boot/dts/st/stm32mp251.dtsi
+++ b/arch/arm64/boot/dts/st/stm32mp251.dtsi
@@ -1672,6 +1672,13 @@
 			};
 		};
 
+		hdp: pinctrl@44090000 {
+			compatible = "st,stm32mp251-hdp";
+			reg = <0x44090000 0x400>;
+			clocks = <&rcc CK_BUS_HDP>;
+			status = "disabled";
+		};
+
 		rcc: clock-controller@44200000 {
 			compatible = "st,stm32mp25-rcc";
 			reg = <0x44200000 0x10000>;