arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-e3c246d4i.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-e3c246d4i.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-e3c246d4i.dts
Extension
.dts
Size
5110 bytes
Lines
222
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/i2c/i2c.h>
#include <dt-bindings/interrupt-controller/irq.h>

/{
	model = "ASRock E3C246D4I BMC";
	compatible = "asrock,e3c246d4i-bmc", "aspeed,ast2500";

	aliases {
		serial4 = &uart5;
	};

	chosen {
		stdout-path = &uart5;
		bootargs = "console=tty0 console=ttyS4,115200 earlycon";
	};

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

	leds {
		compatible = "gpio-leds";

		heartbeat {
			/* BMC_HB_LED_N */
			gpios = <&gpio ASPEED_GPIO(H, 6) GPIO_ACTIVE_LOW>;
			linux,default-trigger = "timer";
		};

		system-fault {
			/* SYSTEM_FAULT_LED_N */
			gpios = <&gpio ASPEED_GPIO(Z, 2) GPIO_ACTIVE_LOW>;
			panic-indicator;
		};
	};

	gpio-keys {
		compatible = "gpio-keys";

		uid-button {
			label = "uid-button";
			gpios = <&gpio ASPEED_GPIO(F, 1) GPIO_ACTIVE_LOW>;
			linux,code = <ASPEED_GPIO(F, 1)>;
		};
	};

	iio-hwmon {
		compatible = "iio-hwmon";
		io-channels = <&adc 0>, <&adc 1>, <&adc 2>, <&adc 3>, <&adc 4>,
			<&adc 5>, <&adc 6>, <&adc 7>, <&adc 8>, <&adc 9>,
			<&adc 10>, <&adc 11>, <&adc 12>;
	};
};

&fmc {
	status = "okay";
	flash@0 {
		status = "okay";
		m25p,fast-read;
		label = "bmc";
		spi-max-frequency = <50000000>; /* 50 MHz */
#include "openbmc-flash-layout.dtsi"
	};
};

Annotation

Implementation Notes