diff --git a/arch/arm/boot/dts/sh73a0-kzm9g-reference.dts b/arch/arm/boot/dts/sh73a0-kzm9g-reference.dts
index 5972abb55f9cfbbf85cbc133eef788a9635e17d5..b6f759e830ed3fb35dfc4284f838d776aa6c760f 100644
--- a/arch/arm/boot/dts/sh73a0-kzm9g-reference.dts
+++ b/arch/arm/boot/dts/sh73a0-kzm9g-reference.dts
@@ -18,6 +18,19 @@
 	model = "KZM-A9-GT";
 	compatible = "renesas,kzm9g-reference", "renesas,sh73a0";
 
+	cpus {
+		cpu@0 {
+			cpu0-supply = <&vdd_dvfs>;
+			operating-points = <
+				/* kHz  uV */
+				1196000 1315000
+				 598000 1175000
+				 398667 1065000
+			>;
+			voltage-tolerance = <1>; /* 1% */
+		};
+	};
+
 	chosen {
 		bootargs = "console=tty0 console=ttySC4,115200 root=/dev/nfs ip=dhcp ignore_loglevel earlyprintk=sh-sci.4,115200";
 	};
@@ -59,6 +72,79 @@
 	};
 };
 
+&i2c0 {
+	as3711@40 {
+		compatible = "ams,as3711";
+		reg = <0x40>;
+
+		regulators {
+			vdd_dvfs: sd1 {
+				regulator-name = "1.315V CPU";
+				regulator-min-microvolt = <1050000>;
+				regulator-max-microvolt = <1350000>;
+				regulator-always-on;
+				regulator-boot-on;
+			};
+			sd2 {
+				regulator-name = "1.8V";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
+				regulator-boot-on;
+			};
+			sd4 {
+				regulator-name = "1.215V";
+				regulator-min-microvolt = <1215000>;
+				regulator-max-microvolt = <1235000>;
+				regulator-always-on;
+				regulator-boot-on;
+			};
+			ldo2 {
+				regulator-name = "2.8V CPU";
+				regulator-min-microvolt = <2800000>;
+				regulator-max-microvolt = <2800000>;
+				regulator-always-on;
+				regulator-boot-on;
+			};
+			ldo3 {
+				regulator-name = "3.0V CPU";
+				regulator-min-microvolt = <3000000>;
+				regulator-max-microvolt = <3000000>;
+				regulator-always-on;
+				regulator-boot-on;
+			};
+			ldo4 {
+				regulator-name = "2.8V";
+				regulator-min-microvolt = <2800000>;
+				regulator-max-microvolt = <2800000>;
+				regulator-always-on;
+				regulator-boot-on;
+			};
+			ldo5 {
+				regulator-name = "2.8V #2";
+				regulator-min-microvolt = <2800000>;
+				regulator-max-microvolt = <2800000>;
+				regulator-always-on;
+				regulator-boot-on;
+			};
+			ldo7 {
+				regulator-name = "1.15V CPU";
+				regulator-min-microvolt = <1150000>;
+				regulator-max-microvolt = <1150000>;
+				regulator-always-on;
+				regulator-boot-on;
+			};
+			ldo8 {
+				regulator-name = "1.15V CPU #2";
+				regulator-min-microvolt = <1150000>;
+				regulator-max-microvolt = <1150000>;
+				regulator-always-on;
+				regulator-boot-on;
+			};
+		};
+	};
+};
+
 &mmcif {
 	bus-width = <8>;
 	vmmc-supply = <&reg_1p8v>;