arch/arm/boot/dts/nvidia/tegra30-asus-nexus7-grouper-common.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/nvidia/tegra30-asus-nexus7-grouper-common.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nvidia/tegra30-asus-nexus7-grouper-common.dtsi
Extension
.dtsi
Size
37389 bytes
Lines
1450
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/input/gpio-keys.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/media/video-interfaces.h>
#include <dt-bindings/power/summit,smb347-charger.h>
#include <dt-bindings/thermal/thermal.h>

#include "tegra30.dtsi"
#include "tegra30-cpu-opp.dtsi"
#include "tegra30-cpu-opp-microvolt.dtsi"
#include "tegra30-asus-lvds-display.dtsi"

/ {
	aliases {
		mmc0 = &sdmmc4; /* eMMC */
		mmc1 = &sdmmc3; /* WiFi */

		rtc0 = &pmic;
		rtc1 = "/rtc@7000e000";

		serial1 = &uartc; /* Bluetooth */
		serial2 = &uartb; /* GPS */
	};

	/*
	 * The decompressor and also some bootloaders rely on a
	 * pre-existing /chosen node to be available to insert the
	 * command line and merge other ATAGS info.
	 */
	chosen {};

	firmware {
		trusted-foundations {
			compatible = "tlm,trusted-foundations";
			tlm,version-major = <0x0>;
			tlm,version-minor = <0x0>;
		};
	};

	memory@80000000 {
		reg = <0x80000000 0x40000000>;
	};

	reserved-memory {
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

		linux,cma@80000000 {
			compatible = "shared-dma-pool";
			alloc-ranges = <0x80000000 0x30000000>;
			size = <0x10000000>; /* 256MiB */
			linux,cma-default;
			reusable;
		};

		ramoops@bfdf0000 {
			compatible = "ramoops";
			reg = <0xbfdf0000 0x10000>;	/* 64kB */
			console-size = <0x8000>;	/* 32kB */
			record-size = <0x400>;		/*  1kB */
			ecc-size = <16>;
		};

		trustzone@bfe00000 {
			reg = <0xbfe00000 0x200000>;
			no-map;
		};
	};

Annotation

Implementation Notes