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

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi
Extension
.dtsi
Size
8199 bytes
Lines
433
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 "tegra186.dtsi"

#include <dt-bindings/mfd/max77620.h>

/ {
	model = "NVIDIA Jetson TX2";
	compatible = "nvidia,p3310", "nvidia,tegra186";

	aliases {
		ethernet0 = "/ethernet@2490000";
		i2c0 = "/bpmp/i2c";
		i2c1 = "/i2c@3160000";
		i2c2 = "/i2c@c240000";
		i2c3 = "/i2c@3180000";
		i2c4 = "/i2c@3190000";
		i2c5 = "/i2c@31c0000";
		i2c6 = "/i2c@c250000";
		i2c7 = "/i2c@31e0000";
		mmc0 = "/mmc@3460000";
		mmc1 = "/mmc@3400000";
		serial0 = &uarta;
	};

	chosen {
		bootargs = "earlycon console=ttyS0,115200n8 fw_devlink=on";
		stdout-path = "serial0:115200n8";
	};

	memory@80000000 {
		device_type = "memory";
		reg = <0x0 0x80000000 0x2 0x00000000>;
	};

	ethernet@2490000 {
		status = "okay";

		phy-reset-gpios = <&gpio TEGRA186_MAIN_GPIO(M, 4)
					 GPIO_ACTIVE_LOW>;
		phy-handle = <&phy>;
		phy-mode = "rgmii";

		mdio {
			#address-cells = <1>;
			#size-cells = <0>;

			phy: ethernet-phy@0 {
				compatible = "ethernet-phy-ieee802.3-c22";
				reg = <0x0>;
				interrupt-parent = <&gpio>;
				interrupts = <TEGRA186_MAIN_GPIO(M, 5)
					      IRQ_TYPE_LEVEL_LOW>;

				#phy-cells = <0>;
			};
		};
	};

	memory-controller@2c00000 {
		status = "okay";
	};

	serial@3100000 {
		/delete-property/ dmas;
		/delete-property/ dma-names;
		status = "okay";
	};

	i2c@3160000 {
		status = "okay";

Annotation

Implementation Notes