arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi
Extension
.dtsi
Size
9397 bytes
Lines
438
Domain
Architecture Layer
Bucket
arch/arm64
Inferred role
Architecture Layer: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0
#include <dt-bindings/mfd/max77620.h>

#include "tegra210.dtsi"

/ {
	model = "NVIDIA Jetson TX1";
	compatible = "nvidia,p2180", "nvidia,tegra210";

	aliases {
		rtc0 = "/i2c@7000d000/pmic@3c";
		rtc1 = "/rtc@7000e000";
		serial0 = &uarta;
		serial3 = &uartd;
	};

	chosen {
		stdout-path = "serial0:115200n8";
	};

	reserved-memory {
		#address-cells = <2>;
		#size-cells = <2>;
		ranges;
	};

	memory@80000000 {
		device_type = "memory";
		reg = <0x0 0x80000000 0x1 0x0>;
	};

	gpu@57000000 {
		vdd-supply = <&vdd_gpu>;
		status = "okay";
	};

	/* debug port */
	serial@70006000 {
		/delete-property/ dmas;
		/delete-property/ dma-names;
		status = "okay";
	};

	serial@70006300 {
		/delete-property/ reg-shift;
		status = "okay";
		compatible = "nvidia,tegra30-hsuart";
		reset-names = "serial";

		bluetooth {
			compatible = "brcm,bcm43540-bt";
			device-wakeup-gpios = <&gpio TEGRA_GPIO(H, 3) GPIO_ACTIVE_HIGH>;
			shutdown-gpios = <&gpio TEGRA_GPIO(H, 4) GPIO_ACTIVE_HIGH>;
			interrupt-parent = <&gpio>;
			interrupts = <TEGRA_GPIO(H, 5) IRQ_TYPE_LEVEL_LOW>;
			interrupt-names = "host-wakeup";
		};
	};

	i2c@7000c000 {
		status = "okay";

		tmp451: temperature-sensor@4c {
			compatible = "ti,tmp451";
			reg = <0x4c>;
			interrupt-parent = <&gpio>;
			interrupts = <TEGRA_GPIO(X, 4) IRQ_TYPE_LEVEL_LOW>;
			vcc-supply = <&vdd_1v8>;
			#thermal-sensor-cells = <1>;
		};

Annotation

Implementation Notes