arch/arm/boot/dts/nvidia/tegra114.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/nvidia/tegra114.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nvidia/tegra114.dtsi
Extension
.dtsi
Size
37004 bytes
Lines
1346
Domain
Architecture Layer
Bucket
arch/arm
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/tegra114-car.h>
#include <dt-bindings/gpio/tegra-gpio.h>
#include <dt-bindings/memory/tegra114-mc.h>
#include <dt-bindings/pinctrl/pinctrl-tegra.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/reset/nvidia,tegra114-car.h>
#include <dt-bindings/soc/tegra-pmc.h>
#include <dt-bindings/thermal/tegra114-soctherm.h>

#include "tegra114-peripherals-opp.dtsi"

/ {
	compatible = "nvidia,tegra114";
	interrupt-parent = <&lic>;
	#address-cells = <1>;
	#size-cells = <1>;

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

	sram@40000000 {
		compatible = "mmio-sram";
		reg = <0x40000000 0x40000>;
		#address-cells = <1>;
		#size-cells = <1>;
		ranges = <0 0x40000000 0x40000>;

		vde_pool: sram@400 {
			reg = <0x400 0x3fc00>;
			pool;
		};
	};

	host1x@50000000 {
		compatible = "nvidia,tegra114-host1x";
		reg = <0x50000000 0x00028000>;
		interrupts = <GIC_SPI 65 IRQ_TYPE_LEVEL_HIGH>, /* syncpt */
			     <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>; /* general */
		interrupt-names = "syncpt", "host1x";
		clocks = <&tegra_car TEGRA114_CLK_HOST1X>;
		clock-names = "host1x";
		resets = <&tegra_car 28>, <&mc TEGRA114_MC_RESET_HC>;
		reset-names = "host1x", "mc";
		iommus = <&mc TEGRA_SWGROUP_HC>;

		#address-cells = <1>;
		#size-cells = <1>;

		ranges = <0x54000000 0x54000000 0x01000000>;

		vi@54080000 {
			compatible = "nvidia,tegra114-vi";
			reg = <0x54080000 0x00040000>;
			interrupts = <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&tegra_car TEGRA114_CLK_VI>;
			resets = <&tegra_car 20>;
			reset-names = "vi";
			power-domains = <&pd_venc>;
			operating-points-v2 = <&vi_dvfs_opp_table>;

			iommus = <&mc TEGRA_SWGROUP_VI>;

			status = "disabled";
		};

		epp@540c0000 {
			compatible = "nvidia,tegra114-epp";

Annotation

Implementation Notes