arch/arm64/boot/dts/ti/k3-am642-evm.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/ti/k3-am642-evm.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/ti/k3-am642-evm.dts
Extension
.dts
Size
19435 bytes
Lines
745
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
/*
 * Copyright (C) 2020-2024 Texas Instruments Incorporated - https://www.ti.com/
 */

/dts-v1/;

#include <dt-bindings/phy/phy.h>
#include <dt-bindings/leds/common.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/net/ti-dp83867.h>
#include "k3-am642.dtsi"

#include "k3-serdes.h"

/ {
	compatible = "ti,am642-evm", "ti,am642";
	model = "Texas Instruments AM642 EVM";

	chosen {
		stdout-path = &main_uart0;
	};

	aliases {
		serial0 = &mcu_uart0;
		serial1 = &main_uart1;
		serial2 = &main_uart0;
		serial3 = &main_uart3;
		i2c0 = &main_i2c0;
		i2c1 = &main_i2c1;
		mmc0 = &sdhci0;
		mmc1 = &sdhci1;
		ethernet0 = &cpsw_port1;
		ethernet1 = &cpsw_port2;
		ethernet2 = &icssg1_emac0;
	};

	memory@80000000 {
		bootph-all;
		device_type = "memory";
		/* 2G RAM */
		reg = <0x00000000 0x80000000 0x00000000 0x80000000>;
	};

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

		secure_ddr: optee@9e800000 {
			reg = <0x00 0x9e800000 0x00 0x01800000>; /* for OP-TEE */
			alignment = <0x1000>;
			no-map;
		};

		main_r5fss0_core0_dma_memory_region: memory@a0000000 {
			compatible = "shared-dma-pool";
			reg = <0x00 0xa0000000 0x00 0x100000>;
			no-map;
		};

		main_r5fss0_core0_memory_region: memory@a0100000 {
			compatible = "shared-dma-pool";
			reg = <0x00 0xa0100000 0x00 0xf00000>;
			no-map;
		};
	};

	evm_12v0: regulator-0 {
		/* main DC jack */

Annotation

Implementation Notes