diff --git a/arch/arm/boot/dts/stm32mp157c.dtsi b/arch/arm/boot/dts/stm32mp157c.dtsi
index 518383020b68..37d9fcb469d7 100644
--- a/arch/arm/boot/dts/stm32mp157c.dtsi
+++ b/arch/arm/boot/dts/stm32mp157c.dtsi
@@ -831,6 +831,11 @@
 			reg = <0x5000d000 0x400>;
 		};
 
+		syscfg: syscon@50020000 {
+			compatible = "st,stm32mp157-syscfg", "syscon";
+			reg = <0x50020000 0x400>;
+		};
+
 		lptimer2: timer@50021000 {
 			#address-cells = <1>;
 			#size-cells = <0>;