diff --git a/arch/arm64/boot/dts/st/stm32mp211.dtsi b/arch/arm64/boot/dts/st/stm32mp211.dtsi
index cd078a16065e..4bfd58b26b51 100644
--- a/arch/arm64/boot/dts/st/stm32mp211.dtsi
+++ b/arch/arm64/boot/dts/st/stm32mp211.dtsi
@@ -112,6 +112,22 @@ usart2: serial@400e0000 {
 			};
 		};
 
+		bsec: efuse@44000000 {
+			compatible = "st,stm32mp25-bsec";
+			reg = <0x44000000 0x0 0x1000>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			part_number_otp@24 {
+				reg = <0x24 0x4>;
+			};
+
+			package_otp@1e8 {
+				reg = <0x1e8 0x1>;
+				bits = <0 3>;
+			};
+		};
+
 		syscfg: syscon@44230000 {
 			compatible = "st,stm32mp21-syscfg", "syscon";
 			reg = <0x44230000 0x0 0x10000>;