arch/arm/boot/dts/aspeed/aspeed-ast2600-evb.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/aspeed/aspeed-ast2600-evb.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/aspeed/aspeed-ast2600-evb.dts
Extension
.dts
Size
5858 bytes
Lines
350
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-or-later
// Copyright 2019 IBM Corp.

/dts-v1/;

#include "aspeed-g6.dtsi"
#include <dt-bindings/gpio/aspeed-gpio.h>

/ {
	model = "AST2600 EVB";
	compatible = "aspeed,ast2600-evb", "aspeed,ast2600";

	aliases {
		serial4 = &uart5;
	};

	chosen {
		bootargs = "console=ttyS4,115200n8";
	};

	memory@80000000 {
		device_type = "memory";
		reg = <0x80000000 0x80000000>;
	};

	reserved-memory {
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

		video_engine_memory: video {
			size = <0x04000000>;
			alignment = <0x01000000>;
			compatible = "shared-dma-pool";
			reusable;
		};

		gfx_memory: framebuffer {
			size = <0x01000000>;
			alignment = <0x01000000>;
			compatible = "shared-dma-pool";
			reusable;
		};
	};

	vcc_sdhci0: regulator-vcc-sdhci0 {
		compatible = "regulator-fixed";
		regulator-name = "SDHCI0 Vcc";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		gpios = <&gpio0 ASPEED_GPIO(V, 0) GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};

	vccq_sdhci0: regulator-vccq-sdhci0 {
		compatible = "regulator-gpio";
		regulator-name = "SDHCI0 VccQ";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <3300000>;
		gpios = <&gpio0 ASPEED_GPIO(V, 1) GPIO_ACTIVE_HIGH>;
		gpios-states = <1>;
		states = <3300000 1>,
			 <1800000 0>;
	};

	vcc_sdhci1: regulator-vcc-sdhci1 {
		compatible = "regulator-fixed";
		regulator-name = "SDHCI1 Vcc";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;

Annotation

Implementation Notes