arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-x570d4u.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-x570d4u.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-x570d4u.dts
Extension
.dts
Size
7221 bytes
Lines
361
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+
/dts-v1/;
#include "aspeed-g5.dtsi"
#include <dt-bindings/gpio/aspeed-gpio.h>
#include <dt-bindings/leds/common.h>

/ {
	model = "Asrock Rack X570D4U BMC";
	compatible = "asrock,x570d4u-bmc", "aspeed,ast2500";

	aliases {
		i2c40 = &i2c4mux0ch0;
		i2c41 = &i2c4mux0ch1;
		i2c42 = &i2c4mux0ch2;
		i2c43 = &i2c4mux0ch3;
	};

	chosen {
		stdout-path = &uart5;
	};

	memory@80000000 {
		reg = <0x80000000 0x20000000>;
	};

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

		pci_memory: region@9a000000 {
			no-map;
			reg = <0x9a000000 0x00010000>; /* 64K */
		};

		video_engine_memory: jpegbuffer {
			size = <0x02800000>;	/* 40M */
			alignment = <0x01000000>;
			compatible = "shared-dma-pool";
			reusable;
		};

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

	leds {
		compatible = "gpio-leds";

		led-0 {
			/* led-heartbeat-n */
			gpios = <&gpio ASPEED_GPIO(H, 6) GPIO_ACTIVE_LOW>;
			color = <LED_COLOR_ID_GREEN>;
			function = LED_FUNCTION_HEARTBEAT;
			linux,default-trigger = "timer";
		};

		led-1 {
			/* led-fault-n */
			gpios = <&gpio ASPEED_GPIO(Z, 2) GPIO_ACTIVE_LOW>;
			color = <LED_COLOR_ID_AMBER>;
			function = LED_FUNCTION_FAULT;
			panic-indicator;
		};
	};

Annotation

Implementation Notes