diff --git a/arch/arm/dts/sunxi-bananapi-m2-plus-v1.2.dtsi b/arch/arm/dts/sunxi-bananapi-m2-plus-v1.2.dtsi
new file mode 100644
index 0000000..22466af
--- /dev/null
+++ b/arch/arm/dts/sunxi-bananapi-m2-plus-v1.2.dtsi
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (C) 2018 Chen-Yu Tsai <wens@csie.org>
+ */
+
+#include "sunxi-bananapi-m2-plus.dtsi"
+
+/ {
+	/*
+	 * Bananapi M2+ v1.2 uses a GPIO line to change the effective
+	 * resistance on the CPU regulator's feedback pin.
+	 */
+	reg_vdd_cpux: vdd-cpux {
+		compatible = "regulator-gpio";
+		regulator-name = "vdd-cpux";
+		regulator-type = "voltage";
+		regulator-boot-on;
+		regulator-always-on;
+		regulator-min-microvolt = <1100000>;
+		regulator-max-microvolt = <1300000>;
+		regulator-ramp-delay = <50>; /* 4ms */
+		gpios = <&r_pio 0 1 GPIO_ACTIVE_HIGH>; /* PL1 */
+		gpios-states = <0x1>;
+		states = <1100000 0>, <1300000 1>;
+	};
+};
+
+&cpu0 {
+	cpu-supply = <&reg_vdd_cpux>;
+};