diff --git a/fdts/stm32mp257f-ev1.dts b/fdts/stm32mp257f-ev1.dts
index b7e92e4..09e83d8 100644
--- a/fdts/stm32mp257f-ev1.dts
+++ b/fdts/stm32mp257f-ev1.dts
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-3-Clause)
 /*
- * Copyright (C) 2023, STMicroelectronics - All Rights Reserved
+ * Copyright (C) 2023-2024, STMicroelectronics - All Rights Reserved
  * Author: Alexandre Torgue <alexandre.torgue@foss.st.com> for STMicroelectronics.
  */
 
@@ -29,6 +29,12 @@
 	};
 };
 
+&bsec {
+	board_id: board-id@3d8 {
+		reg = <0x3d8 0x4>;
+	};
+};
+
 &usart2 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&usart2_pins_a>;