arch/arm64/boot/dts/ti/k3-am62l3-evm.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/ti/k3-am62l3-evm.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/ti/k3-am62l3-evm.dts
Extension
.dts
Size
8969 bytes
Lines
386
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-only or MIT
/*
 * Device Tree file for the AM62L3 Evaluation Module
 * Copyright (C) 2025 Texas Instruments Incorporated - https://www.ti.com/
 *
 * Technical Reference Manual: https://www.ti.com/lit/pdf/sprujb4
 * Data Sheet: https://www.ti.com/lit/pdf/sprspa1
 */

/dts-v1/;

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/leds/common.h>
#include <dt-bindings/net/ti-dp83867.h>
#include <dt-bindings/thermal/thermal.h>
#include "k3-am62l3.dtsi"
#include "k3-pinctrl.h"

/ {
	compatible = "ti,am62l3-evm", "ti,am62l3";
	model = "Texas Instruments AM62L3 Evaluation Module";

	chosen {
		stdout-path = &uart0;
	};

	memory@80000000 {
		reg = <0x00000000 0x80000000 0x00000000 0x80000000>;
		device_type = "memory";
		bootph-all;
	};

	gpio_keys: gpio-keys {
		compatible = "gpio-keys";
		autorepeat;
		pinctrl-names = "default";
		pinctrl-0 = <&usr_button_pins_default>;

		usr: button-usr {
			label = "User Key";
			linux,code = <BTN_0>;
			gpios = <&gpio0 90 GPIO_ACTIVE_LOW>;
		};
	};

	leds {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&usr_led_pins_default>;

		led-0 {
			label = "am62-sk:green:heartbeat";
			gpios = <&gpio0 123 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "heartbeat";
			function = LED_FUNCTION_HEARTBEAT;
			default-state = "on";
		};
	};

	thermal-zones {
		wkup0-thermal {
			polling-delay-passive = <250>;	/* milliSeconds */
			polling-delay = <500>;		/* milliSeconds */
			thermal-sensors = <&vtm0 0>;

			trips {
				crit0 {
					temperature = <125000>;
					hysteresis = <2000>;

Annotation

Implementation Notes