diff --git a/fdts/stm32mp157a-dk1.dts b/fdts/stm32mp157a-dk1.dts
index 68188be..9016b0f 100644
--- a/fdts/stm32mp157a-dk1.dts
+++ b/fdts/stm32mp157a-dk1.dts
@@ -146,6 +146,12 @@
 	status = "okay";
 };
 
+&pwr {
+	pwr-regulators {
+		vdd-supply = <&vdd>;
+	};
+};
+
 &rng1 {
 	status = "okay";
 };
diff --git a/fdts/stm32mp157c-ed1.dts b/fdts/stm32mp157c-ed1.dts
index 820e413..7b16616 100644
--- a/fdts/stm32mp157c-ed1.dts
+++ b/fdts/stm32mp157c-ed1.dts
@@ -143,6 +143,12 @@
 	status = "okay";
 };
 
+&pwr {
+	pwr-regulators {
+		vdd-supply = <&vdd>;
+	};
+};
+
 &rng1 {
 	status = "okay";
 };
diff --git a/fdts/stm32mp157c.dtsi b/fdts/stm32mp157c.dtsi
index 0ec7ecb..1df76fa 100644
--- a/fdts/stm32mp157c.dtsi
+++ b/fdts/stm32mp157c.dtsi
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
 /*
- * Copyright (C) STMicroelectronics 2017 - All Rights Reserved
+ * Copyright (C) STMicroelectronics 2017-2019 - All Rights Reserved
  * Author: Ludovic Barre <ludovic.barre@st.com> for STMicroelectronics.
  */
 #include <dt-bindings/interrupt-controller/arm-gic.h>
@@ -170,6 +170,12 @@
 			};
 		};
 
+		syscfg: syscon@50020000 {
+			compatible = "st,stm32mp157-syscfg", "syscon";
+			reg = <0x50020000 0x400>;
+			clocks = <&rcc SYSCFG>;
+		};
+
 		rng1: rng@54003000 {
 			compatible = "st,stm32-rng";
 			reg = <0x54003000 0x400>;