diff --git a/arch/arm/dts/stm32mp157f-dk2-u-boot.dtsi b/arch/arm/dts/stm32mp157f-dk2-u-boot.dtsi
new file mode 100644
index 000000000000..77805417bfa9
--- /dev/null
+++ b/arch/arm/dts/stm32mp157f-dk2-u-boot.dtsi
@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2026 Amarula Solutions, Dario Binacchi <dario.binacchi@amarulasolutions.com>
+ */
+
+/ {
+	fwu-mdata {
+		compatible = "u-boot,fwu-mdata-gpt";
+		fwu-mdata-store = <&sdmmc1>;
+	};
+};