[PATCH 1/5] ARM: dts: Add stm32mp257f-dk-u-boot.dtsi

[Patrice Chotard]

Add U-Boot support for stm32mp257f-dk board.

Signed-off-by: Patrice Chotard <patrice.chotard at foss.st.com>
---

 arch/arm/dts/stm32mp257f-dk-u-boot.dtsi | 26 +++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 arch/arm/dts/stm32mp257f-dk-u-boot.dtsi

diff --git a/arch/arm/dts/stm32mp257f-dk-u-boot.dtsi b/arch/arm/dts/stm32mp257f-dk-u-boot.dtsi
new file mode 100644
index 00000000000..fe3fe9c5166
--- /dev/null
+++ b/arch/arm/dts/stm32mp257f-dk-u-boot.dtsi
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR BSD-3-Clause
+/*
+ * Copyright (C) STMicroelectronics 2025 - All Rights Reserved
+ */
+
+#include "stm32mp25-u-boot.dtsi"
+
+/ {
+	config {
+		u-boot,mmc-env-partition = "u-boot-env";
+	};
+};
+
+&usart2 {
+	bootph-all;
+};
+
+&usart2_pins_a {
+	bootph-all;
+	pins1 {
+		bootph-all;
+	};
+	pins2 {
+		bootph-all;
+	};
+};
-- 
2.43.0