diff --git a/arch/arm/dts/stm32mp157c-ed1-scmi-u-boot.dtsi b/arch/arm/dts/stm32mp157c-ed1-scmi-u-boot.dtsi
new file mode 100644
index 0000000..54662f7
--- /dev/null
+++ b/arch/arm/dts/stm32mp157c-ed1-scmi-u-boot.dtsi
@@ -0,0 +1,47 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR BSD-3-Clause
+/*
+ * Copyright : STMicroelectronics 2022
+ */
+
+#include <dt-bindings/clock/stm32mp1-clksrc.h>
+#include "stm32mp15-scmi-u-boot.dtsi"
+#include "stm32mp15-ddr3-2x4Gb-1066-binG.dtsi"
+
+/ {
+	aliases {
+		i2c3 = &i2c4;
+	};
+
+	config {
+		u-boot,boot-led = "heartbeat";
+		u-boot,error-led = "error";
+		u-boot,mmc-env-partition = "u-boot-env";
+		st,fastboot-gpios = <&gpioa 13 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
+		st,stm32prog-gpios = <&gpioa 14 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
+	};
+
+	led {
+		red {
+			label = "error";
+			gpios = <&gpioa 13 GPIO_ACTIVE_LOW>;
+			default-state = "off";
+			status = "okay";
+		};
+	};
+};
+
+&uart4 {
+	u-boot,dm-pre-reloc;
+};
+
+&uart4_pins_a {
+	u-boot,dm-pre-reloc;
+	pins1 {
+		u-boot,dm-pre-reloc;
+	};
+	pins2 {
+		u-boot,dm-pre-reloc;
+		/* pull-up on rx to avoid floating level */
+		bias-pull-up;
+	};
+};