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diff --git a/dts/src/arm64/nvidia/tegra194-p3668-0000.dtsi b/dts/src/arm64/nvidia/tegra194-p3668-0000.dtsi
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+++ b/dts/src/arm64/nvidia/tegra194-p3668-0000.dtsi
@@ -0,0 +1,290 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "tegra194.dtsi"
+
+#include <dt-bindings/mfd/max77620.h>
+
+/ {
+ model = "NVIDIA Jetson Xavier NX";
+ compatible = "nvidia,p3668-0000", "nvidia,tegra194";
+
+ aliases {
+ ethernet0 = "/bus@0/ethernet@2490000";
+ i2c0 = "/bpmp/i2c";
+ i2c1 = "/bus@0/i2c@3160000";
+ i2c2 = "/bus@0/i2c@c240000";
+ i2c3 = "/bus@0/i2c@3180000";
+ i2c4 = "/bus@0/i2c@3190000";
+ i2c5 = "/bus@0/i2c@31c0000";
+ i2c6 = "/bus@0/i2c@c250000";
+ i2c7 = "/bus@0/i2c@31e0000";
+ mmc0 = "/bus@0/mmc@3460000";
+ rtc0 = "/bpmp/i2c/pmic@3c";
+ rtc1 = "/bus@0/rtc@c2a0000";
+ serial0 = &tcu;
+ };
+
+ chosen {
+ bootargs = "console=ttyS0,115200n8";
+ stdout-path = "serial0:115200n8";
+ };
+
+ bus@0 {
+ ethernet@2490000 {
+ status = "okay";
+
+ phy-reset-gpios = <&gpio TEGRA194_MAIN_GPIO(R, 1) GPIO_ACTIVE_LOW>;
+ phy-handle = <&phy>;
+ phy-mode = "rgmii-id";
+
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ phy: phy@0 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <0x0>;
+ interrupt-parent = <&gpio>;
+ interrupts = <TEGRA194_MAIN_GPIO(G, 4) IRQ_TYPE_LEVEL_LOW>;
+ #phy-cells = <0>;
+ };
+ };
+ };
+
+ memory-controller@2c00000 {
+ status = "okay";
+ };
+
+ serial@c280000 {
+ status = "okay";
+ };
+
+ /* SDMMC1 (SD/MMC) */
+ mmc@3400000 {
+ status = "okay";
+ bus-width = <4>;
+ cd-gpios = <&gpio TEGRA194_MAIN_GPIO(G, 7) GPIO_ACTIVE_LOW>;
+ disable-wp;
+ vmmc-supply = <&vdd_3v3_sd>;
+ };
+
+ padctl@3520000 {
+ avdd-usb-supply = <&vdd_usb_3v3>;
+ vclamp-usb-supply = <&vdd_1v8ao>;
+
+ ports {
+ usb2-1 {
+ vbus-supply = <&vdd_5v0_sys>;
+ };
+
+ usb2-3 {
+ vbus-supply = <&vdd_5v0_sys>;
+ };
+
+ usb3-0 {
+ vbus-supply = <&vdd_5v0_sys>;
+ };
+
+ usb3-3 {
+ vbus-supply = <&vdd_5v0_sys>;
+ };
+ };
+ };
+
+ rtc@c2a0000 {
+ status = "okay";
+ };
+
+ pmc@c360000 {
+ nvidia,invert-interrupt;
+ };
+ };
+
+ bpmp {
+ i2c {
+ status = "okay";
+
+ pmic: pmic@3c {
+ compatible = "maxim,max20024";
+ reg = <0x3c>;
+
+ interrupt-parent = <&pmc>;
+ interrupts = <24 IRQ_TYPE_LEVEL_LOW>;
+ #interrupt-cells = <2>;
+ interrupt-controller;
+
+ #gpio-cells = <2>;
+ gpio-controller;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&max20024_default>;
+
+ max20024_default: pinmux {
+ gpio0 {
+ pins = "gpio0";
+ function = "gpio";
+ };
+
+ gpio1 {
+ pins = "gpio1";
+ function = "fps-out";
+ maxim,active-fps-source = <MAX77620_FPS_SRC_DEF>;
+ };
+
+ gpio2 {
+ pins = "gpio2";
+ function = "fps-out";
+ maxim,active-fps-source = <MAX77620_FPS_SRC_DEF>;
+ };
+
+ gpio3 {
+ pins = "gpio3";
+ function = "fps-out";
+ maxim,active-fps-source = <MAX77620_FPS_SRC_DEF>;
+ };
+
+ gpio4 {
+ pins = "gpio4";
+ function = "32k-out1";
+ drive-push-pull = <1>;
+ };
+
+ gpio6 {
+ pins = "gpio6";
+ function = "gpio";
+ drive-push-pull = <1>;
+ };
+
+ gpio7 {
+ pins = "gpio7";
+ function = "gpio";
+ drive-push-pull = <0>;
+ };
+ };
+
+ fps {
+ fps0 {
+ maxim,fps-event-source = <MAX77620_FPS_EVENT_SRC_EN0>;
+ maxim,shutdown-fps-time-period-us = <640>;
+ };
+
+ fps1 {
+ maxim,fps-event-source = <MAX77620_FPS_EVENT_SRC_EN1>;
+ maxim,shutdown-fps-time-period-us = <640>;
+ maxim,device-state-on-disabled-event = <MAX77620_FPS_INACTIVE_STATE_SLEEP>;
+ };
+
+ fps2 {
+ maxim,fps-event-source = <MAX77620_FPS_EVENT_SRC_EN0>;
+ maxim,shutdown-fps-time-period-us = <640>;
+ };
+ };
+
+ regulators {
+ in-sd0-supply = <&vdd_5v0_sys>;
+ in-sd1-supply = <&vdd_5v0_sys>;
+ in-sd2-supply = <&vdd_5v0_sys>;
+ in-sd3-supply = <&vdd_5v0_sys>;
+ in-sd4-supply = <&vdd_5v0_sys>;
+
+ in-ldo0-1-supply = <&vdd_5v0_sys>;
+ in-ldo2-supply = <&vdd_5v0_sys>;
+ in-ldo3-5-supply = <&vdd_5v0_sys>;
+ in-ldo4-6-supply = <&vdd_5v0_sys>;
+ in-ldo7-8-supply = <&vdd_1v8ls>;
+
+ vdd_1v0: sd0 {
+ regulator-name = "VDDIO_SYS_1V0";
+ regulator-min-microvolt = <1000000>;
+ regulator-max-microvolt = <1000000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vdd_1v8hs: sd1 {
+ regulator-name = "VDDIO_SYS_1V8HS";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vdd_1v8ls: sd2 {
+ regulator-name = "VDDIO_SYS_1V8LS";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vdd_1v8ao: sd3 {
+ regulator-name = "VDDIO_AO_1V8";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ sd4 {
+ regulator-name = "VDD_DDR_1V1";
+ regulator-min-microvolt = <1100000>;
+ regulator-max-microvolt = <1100000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ ldo0 {
+ regulator-name = "VDD_RTC";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <800000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ ldo2 {
+ regulator-name = "VDDIO_AO_3V3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ ldo3 {
+ regulator-name = "VDD_EMMC_3V3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
+ vdd_usb_3v3: ldo5 {
+ regulator-name = "VDD_USB_3V3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ ldo6 {
+ regulator-name = "VDD_SDIO_3V3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
+ ldo7 {
+ regulator-name = "AVDD_CSI_1V2";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ };
+ };
+ };
+ };
+ };
+
+ vdd_3v3_sd: regulator@0 {
+ compatible = "regulator-fixed";
+ regulator-name = "VDD_3V3_SD";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&gpio TEGRA194_MAIN_GPIO(G, 2) GPIO_ACTIVE_HIGH>;
+ regulator-boot-on;
+ enable-active-high;
+ };
+};