arch/arm/boot/dts/aspeed/aspeed-bmc-microsoft-olympus.dts

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

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/aspeed/aspeed-bmc-microsoft-olympus.dts
Extension
.dts
Size
2976 bytes
Lines
208
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-g4.dtsi"
#include <dt-bindings/gpio/aspeed-gpio.h>

/ {
	model = "Olympus BMC";
	compatible = "microsoft,olympus-bmc", "aspeed,ast2400";

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

	memory@40000000 {
		reg = <0x40000000 0x20000000>;
	};

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

		vga_memory: framebuffer@5f000000 {
			no-map;
			reg = <0x5f000000 0x01000000>; /* 16M */
		};
	};

	leds {
		compatible = "gpio-leds";

		bmc_heartbeat {
			gpios = <&gpio ASPEED_GPIO(B, 0) GPIO_ACTIVE_LOW>;
		};

		power_green {
			gpios = <&gpio ASPEED_GPIO(U, 2) GPIO_ACTIVE_HIGH>;
		};

		power_amber {
			gpios = <&gpio ASPEED_GPIO(U, 3) GPIO_ACTIVE_HIGH>;
		};

		identify {
			gpios = <&gpio ASPEED_GPIO(Q, 5) GPIO_ACTIVE_LOW>;
		};

		fault {
			gpios = <&gpio ASPEED_GPIO(A, 1) GPIO_ACTIVE_LOW>;
		};
	};


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

&adc {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 =    <&pinctrl_adc0_default
			&pinctrl_adc1_default
			&pinctrl_adc2_default
			&pinctrl_adc3_default

Annotation

Implementation Notes