diff --git a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts b/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
index 9821ef14e8f2..e48407201be8 100644
--- a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
+++ b/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
@@ -65,6 +65,13 @@ led-orange {
 		};
 	};
 
+	ddr_channel: sdram-channel-0 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "jedec,ddr4-channel";
+		io-width = <32>;
+	};
+
 	imx335_2v9: regulator-2v9 {
 		compatible = "regulator-fixed";
 		regulator-name = "imx335-avdd";