diff --git a/arch/arm64/boot/dts/freescale/imx93-tqma9352.dtsi b/arch/arm64/boot/dts/freescale/imx93-tqma9352.dtsi
index d07eca6526db..ddb4f452ba2d 100644
--- a/arch/arm64/boot/dts/freescale/imx93-tqma9352.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx93-tqma9352.dtsi
@@ -25,20 +25,6 @@ linux,cma {
 		};
 	};
 
-	reg_v1v8: regulator-v1v8 {
-		compatible = "regulator-fixed";
-		regulator-name = "V_1V8";
-		regulator-min-microvolt = <1800000>;
-		regulator-max-microvolt = <1800000>;
-	};
-
-	reg_v3v3: regulator-v3v3 {
-		compatible = "regulator-fixed";
-		regulator-name = "V_3V3";
-		regulator-min-microvolt = <3300000>;
-		regulator-max-microvolt = <3300000>;
-	};
-
 	/* SD2 RST# via PMIC SW_EN */
 	reg_usdhc2_vmmc: regulator-usdhc2 {
 		compatible = "regulator-fixed";
@@ -47,14 +33,14 @@ reg_usdhc2_vmmc: regulator-usdhc2 {
 		regulator-name = "VSD_3V3";
 		regulator-min-microvolt = <3300000>;
 		regulator-max-microvolt = <3300000>;
-		vin-supply = <&reg_v3v3>;
+		vin-supply = <&buck4>;
 		gpio = <&gpio3 7 GPIO_ACTIVE_HIGH>;
 		enable-active-high;
 	};
 };
 
 &adc1 {
-	vref-supply = <&reg_v1v8>;
+	vref-supply = <&buck5>;
 };
 
 &flexspi1 {
@@ -105,6 +91,91 @@ se97_som: temperature-sensor@1b {
 		reg = <0x1b>;
 	};
 
+	pca9451a: pmic@25 {
+		compatible = "nxp,pca9451a";
+		reg = <0x25>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_pca9451>;
+		interrupt-parent = <&gpio1>;
+		interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
+
+		regulators {
+			/* V_0V8_SOC - hw developer guide: 0.75 .. 0.9 */
+			buck1: BUCK1 {
+				regulator-name = "BUCK1";
+				regulator-min-microvolt = <750000>;
+				regulator-max-microvolt = <900000>;
+				regulator-boot-on;
+				regulator-always-on;
+				regulator-ramp-delay = <3125>;
+			};
+
+			/* V_DDRQ - 1.1 LPDDR4 or 0.6 LPDDR4X */
+			buck2: BUCK2 {
+				regulator-name = "BUCK2";
+				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <1100000>;
+				regulator-boot-on;
+				regulator-always-on;
+				regulator-ramp-delay = <3125>;
+			};
+
+			/* V_3V3 - EEPROM, RTC, ... */
+			buck4: BUCK4{
+				regulator-name = "BUCK4";
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			/* V_1V8 - SPI NOR, eMMC, RAM VDD1... */
+			buck5: BUCK5{
+				regulator-name = "BUCK5";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			/* V_1V1 - RAM VDD2*/
+			buck6: BUCK6 {
+				regulator-name = "BUCK6";
+				regulator-min-microvolt = <1100000>;
+				regulator-max-microvolt = <1100000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			/* V_1V8_BBSM, fix 1.8 */
+			ldo1: LDO1 {
+				regulator-name = "LDO1";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			/* V_0V8_ANA */
+			ldo4: LDO4 {
+				regulator-name = "LDO4";
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <800000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			/* V_SD2 - 3.3/1.8V USDHC2 io Voltage */
+			ldo5: LDO5 {
+				regulator-name = "LDO5";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+		};
+	};
+
 	pcf85063: rtc@51 {
 		compatible = "nxp,pcf85063a";
 		reg = <0x51>;
@@ -116,28 +187,28 @@ eeprom0: eeprom@53 {
 		reg = <0x53>;
 		pagesize = <16>;
 		read-only;
-		vcc-supply = <&reg_v3v3>;
+		vcc-supply = <&buck4>;
 	};
 
 	eeprom1: eeprom@57 {
 		compatible = "atmel,24c64";
 		reg = <0x57>;
 		pagesize = <32>;
-		vcc-supply = <&reg_v3v3>;
+		vcc-supply = <&buck4>;
 	};
 
 	/* protectable identification memory (part of M24C64-D @57) */
 	eeprom@5f {
 		compatible = "atmel,24c64d-wl";
 		reg = <0x5f>;
-		vcc-supply = <&reg_v3v3>;
+		vcc-supply = <&buck4>;
 	};
 
 	imu@6a {
 		compatible = "st,ism330dhcx";
 		reg = <0x6a>;
-		vdd-supply = <&reg_v3v3>;
-		vddio-supply = <&reg_v3v3>;
+		vdd-supply = <&buck4>;
+		vddio-supply = <&buck4>;
 	};
 };
 
