arch/arm/boot/dts/ti/omap/am572x-idk-common.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/ti/omap/am572x-idk-common.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/ti/omap/am572x-idk-common.dtsi
Extension
.dtsi
Size
3903 bytes
Lines
204
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
/*
 * Copyright (C) 2017 Texas Instruments Incorporated - https://www.ti.com/
 */

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include "am57xx-idk-common.dtsi"
#include "dra74-ipu-dsp-common.dtsi"

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

	reserved-memory {
		#address-cells = <2>;
		#size-cells = <2>;
		ranges;

		ipu2_memory_region: ipu2-memory@95800000 {
			compatible = "shared-dma-pool";
			reg = <0x0 0x95800000 0x0 0x3800000>;
			reusable;
			status = "okay";
		};

		dsp1_memory_region: dsp1-memory@99000000 {
			compatible = "shared-dma-pool";
			reg = <0x0 0x99000000 0x0 0x4000000>;
			reusable;
			status = "okay";
		};

		ipu1_memory_region: ipu1-memory@9d000000 {
			compatible = "shared-dma-pool";
			reg = <0x0 0x9d000000 0x0 0x2000000>;
			reusable;
			status = "okay";
		};

		dsp2_memory_region: dsp2-memory@9f000000 {
			compatible = "shared-dma-pool";
			reg = <0x0 0x9f000000 0x0 0x800000>;
			reusable;
			status = "okay";
		};
	};

	status-leds {
		compatible = "gpio-leds";
		cpu0-led {
			label = "status0:red:cpu0";
			gpios = <&gpio4 0 GPIO_ACTIVE_HIGH>;
			default-state = "off";
			linux,default-trigger = "cpu0";
		};

		usr0-led {
			label = "status0:green:usr";
			gpios = <&gpio3 11 GPIO_ACTIVE_HIGH>;
			default-state = "off";
		};

		heartbeat-led {
			label = "status0:blue:heartbeat";
			gpios = <&gpio3 12 GPIO_ACTIVE_HIGH>;
			default-state = "off";
			linux,default-trigger = "heartbeat";

Annotation

Implementation Notes