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

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/nvidia/tegra234.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/nvidia/tegra234.dtsi
Extension
.dtsi
Size
165312 bytes
Lines
6346
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/clock/tegra234-clock.h>
#include <dt-bindings/gpio/tegra234-gpio.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/mailbox/tegra186-hsp.h>
#include <dt-bindings/memory/tegra234-mc.h>
#include <dt-bindings/pinctrl/pinctrl-tegra-io-pad.h>
#include <dt-bindings/power/tegra234-powergate.h>
#include <dt-bindings/reset/tegra234-reset.h>
#include <dt-bindings/thermal/tegra234-bpmp-thermal.h>
#include <dt-bindings/pinctrl/pinctrl-tegra.h>

/ {
	compatible = "nvidia,tegra234";
	interrupt-parent = <&gic>;
	#address-cells = <2>;
	#size-cells = <2>;

	aliases {
		i2c0 = &gen1_i2c;
		i2c1 = &gen2_i2c;
		i2c2 = &cam_i2c;
		i2c3 = &dp_aux_ch1_i2c;
		i2c4 = &bpmp_i2c;
		i2c5 = &dp_aux_ch0_i2c;
		i2c6 = &dp_aux_ch2_i2c;
		i2c7 = &gen8_i2c;
		i2c8 = &dp_aux_ch3_i2c;
	};

	bus@0 {
		compatible = "simple-bus";

		#address-cells = <2>;
		#size-cells = <2>;
		ranges = <0x0 0x0 0x0 0x0 0x100 0x0>;

		misc@100000 {
			compatible = "nvidia,tegra234-misc";
			reg = <0x0 0x00100000 0x0 0xf000>,
			      <0x0 0x0010f000 0x0 0x1000>;
		};

		timer@2080000 {
			compatible = "nvidia,tegra234-timer";
			reg = <0x0 0x02080000 0x0 0x00121000>;
			interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 256 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 257 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 258 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 259 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 260 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 261 IRQ_TYPE_LEVEL_HIGH>;
		};

		gpio: gpio@2200000 {
			compatible = "nvidia,tegra234-gpio";
			reg-names = "security", "gpio";
			reg = <0x0 0x02200000 0x0 0x10000>,
			      <0x0 0x02210000 0x0 0x10000>;

Annotation

Implementation Notes