diff --git a/fdts/stm32mp15xx-dhcor-io1v8.dtsi b/fdts/stm32mp15xx-dhcor-io1v8.dtsi
new file mode 100644
index 0000000..9937b28
--- /dev/null
+++ b/fdts/stm32mp15xx-dhcor-io1v8.dtsi
@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
+/*
+ * Copyright (C) Linaro Ltd 2019 - All Rights Reserved
+ * Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+ * Copyright (C) 2020 Marek Vasut <marex@denx.de>
+ */
+
+/ {
+	/* Enpirion EP3A8LQI U2 on the DHCOR */
+	vdd_io: regulator-buck-io {
+		compatible = "regulator-fixed";
+		regulator-name = "buck-io";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-always-on;
+		regulator-boot-on;
+		vin-supply = <&vdd>;
+	};
+};
+
+&vdd {
+	regulator-min-microvolt = <2900000>;
+	regulator-max-microvolt = <2900000>;
+};
+
+&pwr_regulators {
+	vdd-supply = <&vdd_io>;
+};