diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index 198fff3731ae4..f90b126afbaad 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -91,6 +91,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mn-venice-gw7902.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-beacon-kit.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-debix-model-a.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-dhcom-pdk2.dtb
+dtb-$(CONFIG_ARCH_MXC) += imx8mp-dhcom-pdk3.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-evk.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-icore-mx8mp-edimm2.2.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-msc-sm2s-ep1.dtb
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-dhcom-pdk3.dts b/arch/arm64/boot/dts/freescale/imx8mp-dhcom-pdk3.dts
new file mode 100644
index 0000000000000..c5f0607f43bcc
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-dhcom-pdk3.dts
@@ -0,0 +1,321 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (C) 2023 Marek Vasut <marex@denx.de>
+ *
+ * DHCOM iMX8MP variant:
+ * DHCM-iMX8ML8-C160-R409-F1638-SPI16-GE-CAN2-SD-RTC-WBTA-ADC-T-RGB-CSI2-HS-I-01D2
+ * DHCOM PCB number: 660-100 or newer
+ * PDK3 PCB number: 669-100 or newer
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/leds/common.h>
+#include <dt-bindings/phy/phy-imx8-pcie.h>
+#include "imx8mp-dhcom-som.dtsi"
+
+/ {
+	model = "DH electronics i.MX8M Plus DHCOM Premium Developer Kit (3)";
+	compatible = "dh,imx8mp-dhcom-pdk3", "dh,imx8mp-dhcom-som",
+		     "fsl,imx8mp";
+
+	chosen {
+		stdout-path = &uart1;
+	};
+
+	clk_ext_audio_codec: clock-codec {
+		#clock-cells = <0>;
+		clock-frequency = <24000000>;
+		compatible = "fixed-clock";
+	};
+
+	clk_xtal25: clk-xtal25 {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <25000000>;
+	};
+
+	connector {
+		compatible = "usb-c-connector";
+		label = "USB-C";
+		data-role = "dual";
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+
+				usb_c_0_hs_ep: endpoint {
+					remote-endpoint = <&dwc3_0_hs_ep>;
+				};
+			};
+
+			port@1 {
+				reg = <1>;
+
+				usb_c_0_ss_ep: endpoint {
+					remote-endpoint = <&ptn5150_in_ep>;
+				};
+			};
+		};
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+
+		button-0 {
+			gpios = <&gpio1 9 GPIO_ACTIVE_LOW>; /* GPIO A */
+			label = "TA1-GPIO-A";
+			linux,code = <KEY_A>;
+			pinctrl-0 = <&pinctrl_dhcom_a>;
+			pinctrl-names = "default";
+			wakeup-source;
+		};
+
+		button-1 {
+			gpios = <&gpio1 8 GPIO_ACTIVE_LOW>; /* GPIO B */
+			label = "TA2-GPIO-B";
+			linux,code = <KEY_B>;
+			pinctrl-0 = <&pinctrl_dhcom_b>;
+			pinctrl-names = "default";
+			wakeup-source;
+		};
+
+		button-2 {
+			gpios = <&gpio5 2 GPIO_ACTIVE_LOW>; /* GPIO C */
+			label = "TA3-GPIO-C";
+			linux,code = <KEY_C>;
+			pinctrl-0 = <&pinctrl_dhcom_c>;
+			pinctrl-names = "default";
+			wakeup-source;
+		};
+
+		button-3 {
+			gpios = <&gpio5 22 GPIO_ACTIVE_LOW>; /* GPIO E */
+			label = "TA4-GPIO-E";
+			linux,code = <KEY_E>;
+			pinctrl-0 = <&pinctrl_dhcom_e>;
+			pinctrl-names = "default";
+			wakeup-source;
+		};
+	};
+
+	led {
+		compatible = "gpio-leds";
+
+		led-0 {
+			color = <LED_COLOR_ID_GREEN>;
+			default-state = "off";
+			function = LED_FUNCTION_INDICATOR;
+			function-enumerator = <0>;
+			gpios = <&gpio4 27 GPIO_ACTIVE_HIGH>; /* GPIO D */
+			pinctrl-0 = <&pinctrl_dhcom_d>;
+			pinctrl-names = "default";
+		};
+
+		led-1 {
+			color = <LED_COLOR_ID_GREEN>;
+			default-state = "off";
+			function = LED_FUNCTION_INDICATOR;
+			function-enumerator = <1>;
+			gpios = <&gpio5 23 GPIO_ACTIVE_HIGH>; /* GPIO F */
+			pinctrl-0 = <&pinctrl_dhcom_f>;
+			pinctrl-names = "default";
+		};
+
+		led-2 {
+			color = <LED_COLOR_ID_GREEN>;
+			default-state = "off";
+			function = LED_FUNCTION_INDICATOR;
+			function-enumerator = <2>;
+			gpios = <&gpio1 0 GPIO_ACTIVE_HIGH>; /* GPIO G */
+			pinctrl-0 = <&pinctrl_dhcom_g>;
+			pinctrl-names = "default";
+		};
+
+		led-3 {
+			color = <LED_COLOR_ID_GREEN>;
+			default-state = "off";
+			function = LED_FUNCTION_INDICATOR;
+			function-enumerator = <3>;
+			gpios = <&gpio1 5 GPIO_ACTIVE_HIGH>; /* GPIO I */
+			pinctrl-0 = <&pinctrl_dhcom_i>;
+			pinctrl-names = "default";
+		};
+	};
+
+	reg_avdd: regulator-avdd {	/* AUDIO_VDD */
+		compatible = "regulator-fixed";
+		regulator-always-on;
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-name = "AUDIO_VDD";
+	};
+};
+
+&i2c5 {
+	i2cmux@70 {
+		compatible = "nxp,pca9540";
+		reg = <0x70>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		i2cmuxed0: i2c@0 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0>;
+
+			typec@3d {
+				compatible = "nxp,ptn5150";
+				reg = <0x3d>;
+				interrupt-parent = <&gpio4>;
+				interrupts = <25 IRQ_TYPE_EDGE_FALLING>;
+				pinctrl-names = "default";
+				pinctrl-0 = <&pinctrl_ptn5150>;
+				status = "okay";
+
+				ports {
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					port@0 {
+						reg = <0>;
+
+						ptn5150_in_ep: endpoint {
+							remote-endpoint = <&usb_c_0_ss_ep>;
+						};
+					};
+
+					port@1 {
+						reg = <1>;
+
+						ptn5150_out_ep: endpoint {
+							remote-endpoint = <&dwc3_0_ss_ep>;
+						};
+					};
+				};
+			};
+
+			power-sensor@40 {
+			    compatible = "ti,ina238";
+			    reg = <0x40>;
+			    shunt-resistor = <20000>;	/* 0.02 R */
+			    ti,shunt-gain = <1>;	/* Drop cca. 40mV */
+			};
+
+			eeprom_board: eeprom@54 {
+				compatible = "atmel,24c04";
+				pagesize = <16>;
+				reg = <0x54>;
+			};
+
+			pcieclk: clk@6b {
+				compatible = "skyworks,si52144";
+				reg = <0x6b>;
+				clocks = <&clk_xtal25>;
+				#clock-cells = <1>;
+			};
+		};
+
+		i2cmuxed1: i2c@1 {	/* HDMI DDC I2C */
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <1>;
+		};
+	};
+};
+
+&ethphy0g {
+	reg = <7>;
+};
+
+&fec {	/* Second ethernet */
+	pinctrl-0 = <&pinctrl_fec_rgmii>;
+	phy-handle = <&ethphypdk>;
+	phy-mode = "rgmii-id";
+
+	mdio {
+		ethphypdk: ethernet-phy@7 { /* Micrel KSZ9131RNXI */
+			compatible = "ethernet-phy-id0022.1642",
+				     "ethernet-phy-ieee802.3-c22";
+			interrupt-parent = <&gpio4>;
+			interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
+			pinctrl-0 = <&pinctrl_ethphy1>;
+			pinctrl-names = "default";
+			reg = <7>;
+			reset-assert-us = <1000>;
+			/* RESET_N signal rise time ~100ms */
+			reset-deassert-us = <120000>;
+			reset-gpios = <&gpio4 2 GPIO_ACTIVE_LOW>;
+			status = "okay";
+		};
+	};
+};
+
+&flexcan1 {
+	status = "okay";
+};
+
+&pcie_phy {
+	clocks = <&pcieclk 1>;
+	clock-names = "ref";
+	fsl,refclk-pad-mode = <IMX8_PCIE_REFCLK_PAD_INPUT>;
+	status = "okay";
+};
+
+&pcie {
+	fsl,max-link-speed = <3>;
+	reset-gpio = <&gpio1 6 GPIO_ACTIVE_LOW>;
+	status = "okay";
+};
+
+&usb_dwc3_0 {
+	usb-role-switch;
+
+	port {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		dwc3_0_hs_ep: endpoint@0 {
+			reg = <0>;
+			remote-endpoint = <&usb_c_0_hs_ep>;
+		};
+
+		dwc3_0_ss_ep: endpoint@1 {
+			reg = <1>;
+			remote-endpoint = <&ptn5150_out_ep>;
+		};
+	};
+};
+
+&usb3_1 {
+	fsl,disable-port-power-control;
+	fsl,permanently-attached;
+};
+
+&usb_dwc3_1 {
+	/* This port has USB5734 Hub connected to it, PWR/OC pins are unused */
+	/delete-property/ pinctrl-names;
+	/delete-property/ pinctrl-0;
+};
+
+&iomuxc {
+	/*
+	 * GPIO_A,B,C,E are connected to buttons.
+	 * GPIO_D,F,G,I are connected to LEDs.
+	 * GPIO_H is connected to USB Hub RESET_N.
+	 * GPIO_M is connected to CLKOUT2.
+	 */
+	pinctrl-0 = <&pinctrl_hog_base
+		     &pinctrl_dhcom_h &pinctrl_dhcom_j &pinctrl_dhcom_k
+		     &pinctrl_dhcom_l
+		     &pinctrl_dhcom_int>;
+
+	pinctrl_ptn5150: ptn5150grp {
+		fsl,pins = <
+			MX8MP_IOMUXC_SAI2_TXC__GPIO4_IO25		0x40000000
+		>;
+	};
+};
