Merge tag 'tegra-for-6.4-arm64-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into soc/dt

arm64: tegra: Device tree changes for v6.4-rc1

This adds support for the Jetson Orin NX and includes updates for Jetson
AGX Orin (audio codec, USB Type-C support).

* tag 'tegra-for-6.4-arm64-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
arm64: tegra: Add vccmq on Jetson TX2
arm64: tegra: Populate USB Type-C Controller for Jetson AGX Orin
arm64: tegra: Audio codec support on Jetson AGX Orin
arm64: tegra: Support Jetson Orin NX reference platform
arm64: tegra: Support Jetson Orin NX
dt-bindings: tegra: Document Jetson Orin NX reference platform
dt-bindings: tegra: Document Jetson Orin NX
arm64: tegra: Add DSU PMUs for Tegra234
arm64: tegra: Drop serial clock-names and reset-names

Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Arnd Bergmann <[e-mail]>

Documentation/devicetree/bindings/arm/tegra.yaml

···
           - const: nvidia,p3737-0000+p3701-0000
           - const: nvidia,p3701-0000
           - const: nvidia,tegra234
+      - description: Jetson Orin NX
+        items:
+          - const: nvidia,p3767-0000
+          - const: nvidia,tegra234
+      - description: Jetson Orin NX Engineering Reference Developer Kit
+        items:
+          - const: nvidia,p3768-0000+p3767-0000
+          - const: nvidia,p3767-0000
+          - const: nvidia,tegra234
 
 additionalProperties: true

arch/arm64/boot/dts/nvidia/Makefile

···
 DTC_FLAGS_tegra194-p3509-0000+p3668-0000 := -@
 DTC_FLAGS_tegra194-p3509-0000+p3668-0001 := -@
 DTC_FLAGS_tegra234-p3737-0000+p3701-0000 := -@
+DTC_FLAGS_tegra234-p3768-0000+p3767-0000 := -@
 
 dtb-$(CONFIG_ARCH_TEGRA_132_SOC) += tegra132-norrin.dtb
 dtb-$(CONFIG_ARCH_TEGRA_210_SOC) += tegra210-p2371-0000.dtb
···
 dtb-$(CONFIG_ARCH_TEGRA_194_SOC) += tegra194-p3509-0000+p3668-0001.dtb
 dtb-$(CONFIG_ARCH_TEGRA_234_SOC) += tegra234-sim-vdk.dtb
 dtb-$(CONFIG_ARCH_TEGRA_234_SOC) += tegra234-p3737-0000+p3701-0000.dtb
+dtb-$(CONFIG_ARCH_TEGRA_234_SOC) += tegra234-p3768-0000+p3767-0000.dtb

arch/arm64/boot/dts/nvidia/tegra132.dtsi

···
 		reg-shift = <2>;
 		interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&tegra_car TEGRA124_CLK_UARTA>;
-		clock-names = "serial";
 		resets = <&tegra_car 6>;
-		reset-names = "serial";
 		dmas = <&apbdma 8>, <&apbdma 8>;
 		dma-names = "rx", "tx";
 		status = "disabled";
···
 		reg-shift = <2>;
 		interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&tegra_car TEGRA124_CLK_UARTB>;
-		clock-names = "serial";
 		resets = <&tegra_car 7>;
-		reset-names = "serial";
 		dmas = <&apbdma 9>, <&apbdma 9>;
 		dma-names = "rx", "tx";
 		status = "disabled";
···
 		reg-shift = <2>;
 		interrupts = <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&tegra_car TEGRA124_CLK_UARTC>;
-		clock-names = "serial";
 		resets = <&tegra_car 55>;
-		reset-names = "serial";
 		dmas = <&apbdma 10>, <&apbdma 10>;
 		dma-names = "rx", "tx";
 		status = "disabled";
···
 		reg-shift = <2>;
 		interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&tegra_car TEGRA124_CLK_UARTD>;
-		clock-names = "serial";
 		resets = <&tegra_car 65>;
-		reset-names = "serial";
 		dmas = <&apbdma 19>, <&apbdma 19>;
 		dma-names = "rx", "tx";
 		status = "disabled";

arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi

···
 	/* SDMMC3 (SDIO) */
 	mmc@3440000 {
 		status = "okay";
+		vqmmc-supply = <&vddio_sdmmc3>;
 	};
 
 	/* SDMMC4 (eMMC) */

arch/arm64/boot/dts/nvidia/tegra186.dtsi

···
 		reg-shift = <2>;
 		interrupts = <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&bpmp TEGRA186_CLK_UARTA>;
-		clock-names = "serial";
 		resets = <&bpmp TEGRA186_RESET_UARTA>;
-		reset-names = "serial";
 		status = "disabled";
 	};
 

arch/arm64/boot/dts/nvidia/tegra194.dtsi

···
 			reg-shift = <2>;
 			interrupts = <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&bpmp TEGRA194_CLK_UARTA>;
-			clock-names = "serial";
 			resets = <&bpmp TEGRA194_RESET_UARTA>;
-			reset-names = "serial";
 			status = "disabled";
 		};
 
···
 			reg-shift = <2>;
 			interrupts = <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&bpmp TEGRA194_CLK_UARTB>;
-			clock-names = "serial";
 			resets = <&bpmp TEGRA194_RESET_UARTB>;
-			reset-names = "serial";
 			status = "disabled";
 		};
 

arch/arm64/boot/dts/nvidia/tegra210.dtsi

···
 		reg-shift = <2>;
 		interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&tegra_car TEGRA210_CLK_UARTA>;
-		clock-names = "serial";
 		resets = <&tegra_car 6>;
-		reset-names = "serial";
 		dmas = <&apbdma 8>, <&apbdma 8>;
 		dma-names = "rx", "tx";
 		status = "disabled";
···
 		reg-shift = <2>;
 		interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&tegra_car TEGRA210_CLK_UARTB>;
-		clock-names = "serial";
 		resets = <&tegra_car 7>;
-		reset-names = "serial";
 		dmas = <&apbdma 9>, <&apbdma 9>;
 		dma-names = "rx", "tx";
 		status = "disabled";
···
 		reg-shift = <2>;
 		interrupts = <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&tegra_car TEGRA210_CLK_UARTC>;
-		clock-names = "serial";
 		resets = <&tegra_car 55>;
-		reset-names = "serial";
 		dmas = <&apbdma 10>, <&apbdma 10>;
 		dma-names = "rx", "tx";
 		status = "disabled";
···
 		reg-shift = <2>;
 		interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&tegra_car TEGRA210_CLK_UARTD>;
-		clock-names = "serial";
 		resets = <&tegra_car 65>;
-		reset-names = "serial";
 		dmas = <&apbdma 19>, <&apbdma 19>;
 		dma-names = "rx", "tx";
 		status = "disabled";

arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts

···
 
 #include <dt-bindings/input/linux-event-codes.h>
 #include <dt-bindings/input/gpio-keys.h>
+#include <dt-bindings/sound/rt5640.h>
 
 #include "tegra234-p3701-0000.dtsi"
 #include "tegra234-p3737-0000.dtsi"
···
 
 							i2s1_dap: endpoint {
 								dai-format = "i2s";
-								/* placeholder for external codec */
+								remote-endpoint = <&rt5640_ep>;
 							};
 						};
 					};
···
 			status = "okay";
 		};
 
+		i2c@31e0000 {
+			status = "okay";
+
+			audio-codec@1c {
+				compatible = "realtek,rt5640";
+				reg = <0x1c>;
+				interrupt-parent = <&gpio>;
+				interrupts = <TEGRA234_MAIN_GPIO(AC, 5) GPIO_ACTIVE_HIGH>;
+				clocks = <&bpmp TEGRA234_CLK_AUD_MCLK>;
+				clock-names = "mclk";
+				realtek,dmic1-data-pin = <RT5640_DMIC1_DATA_PIN_NONE>;
+				realtek,dmic2-data-pin = <RT5640_DMIC2_DATA_PIN_NONE>;
+				realtek,jack-detect-source = <RT5640_JD_SRC_HDA_HEADER>;
+				sound-name-prefix = "CVB-RT";
+
+				port {
+					rt5640_ep: endpoint {
+						remote-endpoint = <&i2s1_dap>;
+						mclk-fs = <256>;
+					};
+				};
+			};
+		};
+
 		pwm@32a0000 {
 			assigned-clocks = <&bpmp TEGRA234_CLK_PWM3>;
 			assigned-clock-parents = <&bpmp TEGRA234_CLK_PLLP_OUT0>;
···
 				usb2-0 {
 					mode = "host";
 					status = "okay";
+					port {
+						hs_typec_p1: endpoint {
+							remote-endpoint = <&hs_ucsi_ccg_p1>;
+						};
+					};
 				};
 
 				usb2-1 {
 					mode = "host";
 					status = "okay";
+					port {
+						hs_typec_p0: endpoint {
+							remote-endpoint = <&hs_ucsi_ccg_p0>;
+						};
+					};
 				};
 
 				usb2-2 {
···
 				usb3-0 {
 					nvidia,usb2-companion = <1>;
 					status = "okay";
+					port {
+						ss_typec_p0: endpoint {
+							remote-endpoint = <&ss_ucsi_ccg_p0>;
+						};
+					};
 				};
 
 				usb3-1 {
 					nvidia,usb2-companion = <0>;
 					status = "okay";
+					port {
+						ss_typec_p1: endpoint {
+							remote-endpoint = <&ss_ucsi_ccg_p1>;
+						};
+					};
 				};
 
 				usb3-2 {
···
 			       <&p2u_nvhs_6>, <&p2u_nvhs_7>;
 			phy-names = "p2u-0", "p2u-1", "p2u-2", "p2u-3", "p2u-4",
 				    "p2u-5", "p2u-6", "p2u-7";
+		};
+
+		i2c@c240000 {
+			status = "okay";
+			typec@8 {
+				compatible = "cypress,cypd4226";
+				reg = <0x08>;
+				interrupt-parent = <&gpio>;
+				interrupts = <TEGRA234_MAIN_GPIO(Y, 4) IRQ_TYPE_LEVEL_LOW>;
+				firmware-name = "nvidia,jetson-agx-xavier";
+				status = "okay";
+				#address-cells = <1>;
+				#size-cells = <0>;
+				ccg_typec_con0: connector@0 {
+					compatible = "usb-c-connector";
+					reg = <0>;
+					label = "USB-C";
+					data-role = "host";
+					ports {
+						#address-cells = <1>;
+						#size-cells = <0>;
+						port@0 {
+							reg = <0>;
+							hs_ucsi_ccg_p0: endpoint {
+								remote-endpoint = <&hs_typec_p0>;
+							};
+						};
+						port@1 {
+							reg = <1>;
+							ss_ucsi_ccg_p0: endpoint {
+								remote-endpoint = <&ss_typec_p0>;
+							};
+						};
+					};
+				};
+				ccg_typec_con1: connector@1 {
+					compatible = "usb-c-connector";
+					reg = <1>;
+					label = "USB-C";
+					data-role = "dual";
+					ports {
+						#address-cells = <1>;
+						#size-cells = <0>;
+						port@0 {
+							reg = <0>;
+							hs_ucsi_ccg_p1: endpoint {
+								remote-endpoint = <&hs_typec_p1>;
+							};
+						};
+						port@1 {
+							reg = <1>;
+							ss_ucsi_ccg_p1: endpoint {
+								remote-endpoint = <&ss_typec_p1>;
+							};
+						};
+					};
+				};
+			};
 		};
 	};
 
···
 		       <&dmic3_port>;
 
 		label = "NVIDIA Jetson AGX Orin APE";
+
+		widgets = "Microphone",	"CVB-RT MIC Jack",
+			  "Microphone",	"CVB-RT MIC",
+			  "Headphone",	"CVB-RT HP Jack",
+			  "Speaker",	"CVB-RT SPK";
+
+		routing = /* I2S1 <-> RT5640 */
+			  "CVB-RT AIF1 Playback",	"I2S1 DAP-Playback",
+			  "I2S1 DAP-Capture",		"CVB-RT AIF1 Capture",
+			  /* RT5640 codec controls */
+			  "CVB-RT HP Jack",		"CVB-RT HPOL",
+			  "CVB-RT HP Jack",		"CVB-RT HPOR",
+			  "CVB-RT IN1P",		"CVB-RT MIC Jack",
+			  "CVB-RT IN2P",		"CVB-RT MIC Jack",
+			  "CVB-RT SPK",			"CVB-RT SPOLP",
+			  "CVB-RT SPK",			"CVB-RT SPORP",
+			  "CVB-RT DMIC1",		"CVB-RT MIC",
+			  "CVB-RT DMIC2",		"CVB-RT MIC";
 	};
 };

arch/arm64/boot/dts/nvidia/tegra234-p3767-0000.dtsi

···
+// SPDX-License-Identifier: GPL-2.0
+
+#include "tegra234-p3767.dtsi"
+
+/ {
+	compatible = "nvidia,p3767-0000", "nvidia,tegra234";
+	model = "NVIDIA Jetson Orin NX";
+
+	bus@0 {
+		hda@3510000 {
+			nvidia,model = "NVIDIA Jetson Orin NX HDA";
+		};
+	};
+};

arch/arm64/boot/dts/nvidia/tegra234-p3767.dtsi

···
+// SPDX-License-Identifier: GPL-2.0
+
+#include "tegra234.dtsi"
+
+/ {
+	compatible = "nvidia,p3767", "nvidia,tegra234";
+
+	bus@0 {
+		i2c@3160000 {
+			status = "okay";
+
+			eeprom@50 {
+				compatible = "atmel,24c02";
+				reg = <0x50>;
+
+				label = "module";
+				vcc-supply = <&vdd_1v8_hs>;
+				address-width = <8>;
+				pagesize = <8>;
+				size = <256>;
+				read-only;
+			};
+		};
+
+		spi@3270000 {
+			status = "okay";
+
+			flash@0 {
+				compatible = "jedec,spi-nor";
+				reg = <0>;
+				spi-max-frequency = <136000000>;
+				spi-tx-bus-width = <4>;
+				spi-rx-bus-width = <4>;
+			};
+		};
+
+		/*
+		 * This only exists on Jetson Orin Nano Developer Kit (SKU 5)
+		 * but UEFI needs this and will remove it on devices where it
+		 * doesn't exist.
+		 */
+		mmc@3400000 {
+			status = "okay";
+			bus-width = <4>;
+			cd-gpios = <&gpio TEGRA234_MAIN_GPIO(G, 7) GPIO_ACTIVE_HIGH>;
+			disable-wp;
+		};
+
+		hda@3510000 {
+			status = "okay";
+		};
+
+		padctl@3520000 {
+			vclamp-usb-supply = <&vdd_1v8_ao>;
+			avdd-usb-supply = <&vdd_3v3_ao>;
+		};
+
+		rtc@c2a0000 {
+			status = "okay";
+		};
+
+		pmc@c360000 {
+			nvidia,invert-interrupt;
+		};
+	};
+
+	vdd_5v0_sys: regulator-vdd-5v0-sys {
+		compatible = "regulator-fixed";
+		regulator-name = "VDD_5V0_SYS";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-always-on;
+	};
+
+	vdd_1v8_hs: regulator-vdd-1v8-hs {
+		compatible = "regulator-fixed";
+		regulator-name = "VDD_1V8_HS";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-always-on;
+	};
+
+	vdd_1v8_ao: regulator-vdd-1v8-ao {
+		compatible = "regulator-fixed";
+		regulator-name = "VDD_1V8_AO";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-always-on;
+		vin-supply = <&vdd_5v0_sys>;
+	};
+
+	vdd_3v3_ao: regulator-vdd-3v3-ao {
+		compatible = "regulator-fixed";
+		regulator-name = "VDD_3V3_AO";
+		regulator-min-microvolt = <33000000>;
+		regulator-max-microvolt = <33000000>;
+		regulator-always-on;
+		vin-supply = <&vdd_5v0_sys>;
+	};
+
+	thermal-zones {
+		/*
+		 * This monitoring is far from optimal, but it's good enough
+		 * at this stage.
+		 */
+		cpu-thermal {
+			polling-delay = <1000>;
+			polling-delay-passive = <1000>;
+			status = "okay";
+
+			trips {
+				critical {
+					temperature = <104500>;
+					hysteresis = <0>;
+					type = "critical";
+				};
+
+				hot {
+					temperature = <99000>;
+					hysteresis = <1000>;
+					type = "hot";
+				};
+
+				board_trip_passive: passive {
+					temperature = <95000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				board_trip_active2: active-2 {
+					temperature = <80000>;
+					hysteresis = <4000>;
+					type = "active";
+				};
+
+				board_trip_active1: active-1 {
+					temperature = <65000>;
+					hysteresis = <4000>;
+					type = "active";
+				};
+
+				board_trip_active0: active-0 {
+					temperature = <50000>;
+					hysteresis = <4000>;
+					type = "active";
+				};
+			};
+
+			cooling-maps {
+				passive {
+					cooling-device = <&fan 3 3>;
+					trip = <&board_trip_passive>;
+				};
+
+				active2 {
+					cooling-device = <&fan 2 3>;
+					trip = <&board_trip_active2>;
+				};
+
+				active1 {
+					cooling-device = <&fan 1 2>;
+					trip = <&board_trip_active1>;
+				};
+
+				active0 {
+					cooling-device = <&fan 0 1>;
+					trip = <&board_trip_active0>;
+				};
+			};
+		};
+	};
+};

arch/arm64/boot/dts/nvidia/tegra234-p3768-0000+p3767-0000.dts

···
+// SPDX-License-Identifier: GPL-2.0
+/dts-v1/;
+
+#include <dt-bindings/input/linux-event-codes.h>
+#include <dt-bindings/input/gpio-keys.h>
+
+#include "tegra234-p3767-0000.dtsi"
+#include "tegra234-p3768-0000.dtsi"
+
+/ {
+	compatible = "nvidia,p3768-0000+p3767-0000", "nvidia,p3767-0000", "nvidia,tegra234";
+	model = "NVIDIA Jetson Orin NX Engineering Reference Developer Kit";
+
+	aliases {
+		serial0 = &tcu;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	bus@0 {
+		serial@31d0000 {
+			current-speed = <115200>;
+			status = "okay";
+		};
+
+		pwm@32a0000 {
+			assigned-clocks = <&bpmp TEGRA234_CLK_PWM3>;
+			assigned-clock-parents = <&bpmp TEGRA234_CLK_PLLP_OUT0>;
+			status = "okay";
+		};
+
+		hda@3510000 {
+			nvidia,model = "NVIDIA Jetson Orin NX HDA";
+			status = "okay";
+		};
+
+		padctl@3520000 {
+			status = "okay";
+		};
+
+		/* C1 - M.2 Key-E */
+		pcie@14100000 {
+			status = "okay";
+
+			vddio-pex-ctl-supply = <&vdd_1v8_ao>;
+
+			phys = <&p2u_hsio_3>;
+			phy-names = "p2u-0";
+		};
+
+		/* C4 - M.2 Key-M */
+		pcie@14160000 {
+			status = "okay";
+
+			vddio-pex-ctl-supply = <&vdd_1v8_ao>;
+
+			phys = <&p2u_hsio_4>, <&p2u_hsio_5>, <&p2u_hsio_6>,
+			       <&p2u_hsio_7>;
+			phy-names = "p2u-0", "p2u-1", "p2u-2", "p2u-3";
+		};
+
+		/* C8 - Ethernet */
+		pcie@140a0000 {
+			status = "okay";
+
+			num-lanes = <2>;
+
+			phys = <&p2u_gbe_2>, <&p2u_gbe_3>;
+			phy-names = "p2u-0", "p2u-1";
+
+			vddio-pex-ctl-supply = <&vdd_1v8_ao>;
+			vpcie3v3-supply = <&vdd_3v3_pcie>;
+		};
+
+		/* C7 - M.2 Key-M */
+		pcie@141e0000 {
+			status = "okay";
+
+			vddio-pex-ctl-supply = <&vdd_1v8_ao>;
+
+			phys = <&p2u_gbe_0>, <&p2u_gbe_1>;
+			phy-names = "p2u-0", "p2u-1";
+		};
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+
+		key-force-recovery {
+			label = "Force Recovery";
+			gpios = <&gpio TEGRA234_MAIN_GPIO(G, 0) GPIO_ACTIVE_LOW>;
+			linux,input-type = <EV_KEY>;
+			linux,code = <BTN_1>;
+		};
+
+		key-power {
+			label = "Power";
+			gpios = <&gpio_aon TEGRA234_AON_GPIO(EE, 4) GPIO_ACTIVE_LOW>;
+			linux,input-type = <EV_KEY>;
+			linux,code = <KEY_POWER>;
+			wakeup-event-action = <EV_ACT_ASSERTED>;
+			wakeup-source;
+		};
+
+		key-suspend {
+			label = "Suspend";
+			gpios = <&gpio TEGRA234_MAIN_GPIO(G, 2) GPIO_ACTIVE_LOW>;
+			linux,input-type = <EV_KEY>;
+			linux,code = <KEY_SLEEP>;
+		};
+	};
+
+	fan: pwm-fan {
+		compatible = "pwm-fan";
+		pwms = <&pwm3 0 45334>;
+		cooling-levels = <0 95 178 255>;
+		#cooling-cells = <2>;
+	};
+
+	vdd_3v3_pcie: regulator-vdd-3v3-pcie {
+		compatible = "regulator-fixed";
+		regulator-name = "VDD_3V3_PCIE";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&gpio_aon TEGRA234_AON_GPIO(AA, 5) GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+
+	serial {
+		status = "okay";
+	};
+};

arch/arm64/boot/dts/nvidia/tegra234-p3768-0000.dtsi

···
+// SPDX-License-Identifier: GPL-2.0
+
+/ {
+	compatible = "nvidia,p3768-0000";
+
+	aliases {
+		serial0 = &tcu;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	bus@0 {
+		i2c@3160000 {
+			status = "okay";
+
+			eeprom@57 {
+				compatible = "atmel,24c02";
+				reg = <0x57>;
+
+				label = "system";
+				vcc-supply = <&vdd_1v8_sys>;
+				address-width = <8>;
+				pagesize = <8>;
+				size = <256>;
+				read-only;
+			};
+		};
+
+		serial@31d0000 {
+			current-speed = <115200>;
+			status = "okay";
+		};
+
+		pwm@32a0000 {
+			assigned-clocks = <&bpmp TEGRA234_CLK_PWM3>;
+			assigned-clock-parents = <&bpmp TEGRA234_CLK_PLLP_OUT0>;
+			status = "okay";
+		};
+
+		padctl@3520000 {
+			status = "okay";
+
+			pads {
+				usb2 {
+					lanes {
+						usb2-0 {
+							nvidia,function = "xusb";
+							status = "okay";
+						};
+
+						usb2-1 {
+							nvidia,function = "xusb";
+							status = "okay";
+						};
+
+						usb2-2 {
+							nvidia,function = "xusb";
+							status = "okay";
+						};
+					};
+				};
+
+				usb3 {
+					lanes {
+						usb3-0 {
+							nvidia,function = "xusb";
+							status = "okay";
+						};
+
+						usb3-1 {
+							nvidia,function = "xusb";
+							status = "okay";
+						};
+					};
+				};
+			};
+
+			ports {
+				/* recovery port */
+				usb2-0 {
+					mode = "otg";
+					vbus-supply = <&vdd_5v0_sys>;
+					status = "okay";
+					usb-role-switch;
+				};
+
+				/* hub */
+				usb2-1 {
+					mode = "host";
+					vbus-supply = <&vdd_1v1_hub>;
+					status = "okay";
+				};
+
+				/* M.2 Key-E */
+				usb2-2 {
+					mode = "host";
+					vbus-supply = <&vdd_5v0_sys>;
+					status = "okay";
+				};
+
+				/* hub */
+				usb3-0 {
+					nvidia,usb2-companion = <1>;
+					status = "okay";
+				};
+
+				/* J5 */
+				usb3-1 {
+					nvidia,usb2-companion = <0>;
+					status = "okay";
+				};
+			};
+		};
+
+		usb@3550000 {
+			status = "okay";
+
+			phys = <&{/bus@0/padctl@3520000/pads/usb2/lanes/usb2-0}>,
+			       <&{/bus@0/padctl@3520000/pads/usb3/lanes/usb3-1}>;
+			phy-names = "usb2-0", "usb3-1";
+		};
+
+		usb@3610000 {
+			status = "okay";
+
+			phys = <&{/bus@0/padctl@3520000/pads/usb2/lanes/usb2-0}>,
+			       <&{/bus@0/padctl@3520000/pads/usb2/lanes/usb2-1}>,
+			       <&{/bus@0/padctl@3520000/pads/usb2/lanes/usb2-2}>,
+			       <&{/bus@0/padctl@3520000/pads/usb3/lanes/usb3-0}>,
+			       <&{/bus@0/padctl@3520000/pads/usb3/lanes/usb3-1}>;
+			phy-names = "usb2-0", "usb2-1", "usb2-2", "usb3-0",
+				    "usb3-1";
+		};
+
+		/* C1 - M.2 Key-E */
+		pcie@14100000 {
+			status = "okay";
+
+			vddio-pex-ctl-supply = <&vdd_1v8_ao>;
+
+			phys = <&p2u_hsio_3>;
+			phy-names = "p2u-0";
+		};
+
+		/* C4 - M.2 Key-M */
+		pcie@14160000 {
+			status = "okay";
+
+			vddio-pex-ctl-supply = <&vdd_1v8_ao>;
+
+			phys = <&p2u_hsio_4>, <&p2u_hsio_5>, <&p2u_hsio_6>,
+			       <&p2u_hsio_7>;
+			phy-names = "p2u-0", "p2u-1", "p2u-2", "p2u-3";
+		};
+
+		/* C8 - Ethernet */
+		pcie@140a0000 {
+			status = "okay";
+
+			num-lanes = <2>;
+
+			phys = <&p2u_gbe_2>, <&p2u_gbe_3>;
+			phy-names = "p2u-0", "p2u-1";
+
+			vddio-pex-ctl-supply = <&vdd_1v8_ao>;
+			vpcie3v3-supply = <&vdd_3v3_pcie>;
+		};
+
+		/* C7 - M.2 Key-M */
+		pcie@141e0000 {
+			status = "okay";
+
+			vddio-pex-ctl-supply = <&vdd_1v8_ao>;
+
+			phys = <&p2u_gbe_0>, <&p2u_gbe_1>;
+			phy-names = "p2u-0", "p2u-1";
+		};
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+
+		key-force-recovery {
+			label = "Force Recovery";
+			gpios = <&gpio TEGRA234_MAIN_GPIO(G, 0) GPIO_ACTIVE_LOW>;
+			linux,input-type = <EV_KEY>;
+			linux,code = <BTN_1>;
+		};
+
+		key-power {
+			label = "Power";
+			gpios = <&gpio_aon TEGRA234_AON_GPIO(EE, 4) GPIO_ACTIVE_LOW>;
+			linux,input-type = <EV_KEY>;
+			linux,code = <KEY_POWER>;
+			wakeup-event-action = <EV_ACT_ASSERTED>;
+			wakeup-source;
+		};
+
+		key-suspend {
+			label = "Suspend";
+			gpios = <&gpio TEGRA234_MAIN_GPIO(G, 2) GPIO_ACTIVE_LOW>;
+			linux,input-type = <EV_KEY>;
+			linux,code = <KEY_SLEEP>;
+		};
+	};
+
+	fan: pwm-fan {
+		compatible = "pwm-fan";
+		pwms = <&pwm3 0 45334>;
+		cooling-levels = <0 95 178 255>;
+		#cooling-cells = <2>;
+	};
+
+	vdd_1v8_sys: regulator-vdd-1v8-sys {
+		compatible = "regulator-fixed";
+		regulator-name = "VDD_1V8_SYS";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-always-on;
+	};
+
+	vdd_1v1_hub: regulator-vdd-1v1-hub {
+		compatible = "regulator-fixed";
+		regulator-name = "VDD_AV10_HUB";
+		regulator-min-microvolt = <1100000>;
+		regulator-max-microvolt = <1100000>;
+		vin-supply = <&vdd_5v0_sys>;
+		regulator-always-on;
+	};
+
+	vdd_3v3_pcie: regulator-vdd-3v3-pcie {
+		compatible = "regulator-fixed";
+		regulator-name = "VDD_3V3_PCIE";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&gpio_aon TEGRA234_AON_GPIO(AA, 5) GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+
+	serial {
+		status = "okay";
+	};
+};

arch/arm64/boot/dts/nvidia/tegra234.dtsi

···
 			reg = <0x0 0x03100000 0x0 0x10000>;
 			interrupts = <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&bpmp TEGRA234_CLK_UARTA>;
-			clock-names = "serial";
 			resets = <&bpmp TEGRA234_RESET_UARTA>;
-			reset-names = "serial";
 			status = "disabled";
 		};
 
···
 			cache-sets = <2048>;
 			cache-level = <3>;
 		};
+	};
+
+	dsu-pmu0 {
+		compatible = "arm,dsu-pmu";
+		interrupts = <GIC_SPI 547 IRQ_TYPE_LEVEL_HIGH>;
+		cpus = <&cpu0_0>, <&cpu0_1>, <&cpu0_2>, <&cpu0_3>;
+	};
+
+	dsu-pmu1 {
+		compatible = "arm,dsu-pmu";
+		interrupts = <GIC_SPI 548 IRQ_TYPE_LEVEL_HIGH>;
+		cpus = <&cpu1_0>, <&cpu1_1>, <&cpu1_2>, <&cpu1_3>;
+	};
+
+	dsu-pmu2 {
+		compatible = "arm,dsu-pmu";
+		interrupts = <GIC_SPI 549 IRQ_TYPE_LEVEL_HIGH>;
+		cpus = <&cpu2_0>, <&cpu2_1>, <&cpu2_2>, <&cpu2_3>;
 	};
 
 	pmu {