arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi
Extension
.dtsi
Size
9490 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
/*
 * Copyright (C) 2022-2024 PHYTEC Messtechnik GmbH
 * Author: Wadim Egorov <w.egorov@phytec.de>
 *
 * Product homepage:
 * https://www.phytec.com/product/phycore-am62x
 */

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

/ {
	model = "PHYTEC phyCORE-AM62x";
	compatible = "phytec,am62-phycore-som", "ti,am625";

	aliases {
		ethernet0 = &cpsw_port1;
		gpio0 = &main_gpio0;
		gpio1 = &main_gpio1;
		i2c0 = &main_i2c0;
		mmc0 = &sdhci0;
		rtc0 = &i2c_som_rtc;
		rtc1 = &wkup_rtc0;
		spi0 = &ospi0;
	};

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

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

		linux,cma {
			compatible = "shared-dma-pool";
			reusable;
			size = <0x00 0x8000000>;
			linux,cma-default;
		};

		ramoops@9c700000 {
			compatible = "ramoops";
			reg = <0x00 0x9c700000 0x00 0x00100000>;
			record-size = <0x8000>;
			console-size = <0x8000>;
			ftrace-size = <0x00>;
			pmsg-size = <0x8000>;
		};

		rtos_ipc_memory_region: memory@9c800000 {
			compatible = "shared-dma-pool";
			reg = <0x00 0x9c800000 0x00 0x00300000>;
			no-map;
		};

		wkup_r5fss0_core0_dma_memory_region: memory@9da00000 {
			compatible = "shared-dma-pool";
			reg = <0x00 0x9da00000 0x00 0x100000>;
			no-map;
		};

		wkup_r5fss0_core0_memory_region: memory@9db00000 {
			compatible = "shared-dma-pool";
			reg = <0x00 0x9db00000 0x00 0xc00000>;

Annotation

Implementation Notes