arch/arm/boot/dts/ti/omap/omap3-echo.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/ti/omap/omap3-echo.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/ti/omap/omap3-echo.dts
Extension
.dts
Size
16083 bytes
Lines
725
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-only
/*
 * Copyright (C) 2019 André Hentschel <nerv@dawncrow.de>
 */
/dts-v1/;

#include "dm3725.dtsi"

#include <dt-bindings/input/input.h>
#include <dt-bindings/leds/common.h>

/ {
	model = "Amazon Echo (first generation)";
	compatible = "amazon,omap3-echo", "ti,omap3630", "ti,omap3";

	cpus {
		cpu@0 {
			cpu0-supply = <&vdd1_reg>;
		};
	};

	memory@80000000 {
		device_type = "memory";
		reg = <0x80000000 0xc600000>; /* 198 MB */
	};

	vcc5v: fixedregulator0 {
		compatible = "regulator-fixed";
		regulator-name = "vcc5v";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-boot-on;
		regulator-always-on;
	};

	vcc3v3: fixedregulator1 {
		compatible = "regulator-fixed";
		regulator-name = "vcc3v3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-boot-on;
		regulator-always-on;
	};

	vcc1v8: fixedregulator2 {
		compatible = "regulator-fixed";
		regulator-name = "vcc1v8";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		regulator-boot-on;
		regulator-always-on;
	};

	sdio_pwrseq: sdio-pwrseq {
		compatible = "mmc-pwrseq-simple";
		reset-gpios = <&gpio1 21 GPIO_ACTIVE_LOW>;
		post-power-on-delay-ms = <40>;
	};

	gpio-keys {
		compatible = "gpio-keys";

		pinctrl-names = "default";
		pinctrl-0 = <&button_pins>;

		mute-button {
			label = "mute";
			linux,code = <KEY_MUTE>;
			gpios = <&gpio3 6 GPIO_ACTIVE_LOW>;	/* GPIO_70 */
			wakeup-source;

Annotation

Implementation Notes