arch/arm64/boot/dts/ti/k3-am62a7-sk.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
Extension
.dts
Size
23551 bytes
Lines
938
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
/*
 * AM62A SK: https://www.ti.com/lit/zip/sprr459
 *
 * Copyright (C) 2022-2024 Texas Instruments Incorporated - https://www.ti.com/
 */

/dts-v1/;

#include <dt-bindings/leds/common.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/net/ti-dp83867.h>
#include "k3-am62a7.dtsi"

/ {
	compatible = "ti,am62a7-sk", "ti,am62a7";
	model = "Texas Instruments AM62A7 SK";

	aliases {
		serial0 = &wkup_uart0;
		serial1 = &mcu_uart0;
		serial2 = &main_uart0;
		serial3 = &main_uart1;
		mmc0 = &sdhci0;
		mmc1 = &sdhci1;
		rtc0 = &wkup_rtc0;
		rtc1 = &tps659312;
	};

	chosen {
		stdout-path = "serial2:115200n8";
	};

	memory@80000000 {
		device_type = "memory";
		/* 4G RAM */
		reg = <0x00000000 0x80000000 0x00000000 0x80000000>,
		      <0x00000008 0x80000000 0x00000000 0x80000000>;
		bootph-all;
	};

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

		/* global cma region */
		linux,cma {
			compatible = "shared-dma-pool";
			reusable;
			size = <0x00 0x24000000>;
			alloc-ranges = <0x00 0xc0000000 0x00 0x24000000>;
			linux,cma-default;
		};

		wkup_r5fss0_core0_dma_memory_region: memory@9c800000 {
			compatible = "shared-dma-pool";
			reg = <0x00 0x9c800000 0x00 0x100000>;
			no-map;
		};

		wkup_r5fss0_core0_memory_region: memory@9c900000 {
			compatible = "shared-dma-pool";
			reg = <0x00 0x9c900000 0x00 0xf00000>;
			no-map;
		};

		secure_tfa_ddr: tfa@9e780000 {
			reg = <0x00 0x9e780000 0x00 0x80000>;
			alignment = <0x1000>;

Annotation

Implementation Notes