arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite5.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite5.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite5.dts
Extension
.dts
Size
21297 bytes
Lines
1073
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+
// Copyright (c) 2025 Facebook Inc.

/dts-v1/;
#include "aspeed-g6.dtsi"
#include <dt-bindings/gpio/aspeed-gpio.h>
#include <dt-bindings/i2c/i2c.h>

/ {
	model = "Facebook Yosemite 5 BMC";
	compatible = "facebook,yosemite5-bmc", "aspeed,ast2600";

	aliases {
		i2c16 = &i2c5mux0ch0;
		i2c17 = &i2c5mux0ch1;
		i2c18 = &i2c5mux0ch2;
		i2c19 = &i2c5mux0ch3;
		i2c20 = &i2c5mux1ch0;
		i2c21 = &i2c5mux1ch1;
		i2c22 = &i2c5mux1ch2;
		i2c23 = &i2c5mux1ch3;
		i2c24 = &i2c6mux0ch0;
		i2c25 = &i2c6mux0ch1;
		i2c26 = &i2c6mux0ch2;
		i2c27 = &i2c6mux0ch3;
		i2c28 = &i2c8mux0ch0;
		i2c29 = &i2c8mux0ch1;
		i2c30 = &i2c8mux0ch2;
		i2c31 = &i2c8mux0ch3;
		i2c32 = &i2c30mux0ch0;
		i2c33 = &i2c30mux0ch1;
		i2c34 = &i2c30mux0ch2;
		i2c35 = &i2c30mux0ch3;
		serial0 = &uart1;
		serial2 = &uart3;
		serial3 = &uart4;
		serial4 = &uart5;
	};

	chosen {
		stdout-path = "serial4:57600n8";
	};

	iio-hwmon {
		compatible = "iio-hwmon";
		io-channels = <&adc0 0>, <&adc0 1>, <&adc0 2>, <&adc0 3>,
					  <&adc0 4>, <&adc0 5>, <&adc0 6>, <&adc0 7>,
					  <&adc1 2>;
	};

	leds {
		compatible = "gpio-leds";

		led-0 {
			label = "bmc_heartbeat_amber";
			gpios = <&gpio0 ASPEED_GPIO(P, 7) GPIO_ACTIVE_LOW>;
			linux,default-trigger = "heartbeat";
		};

		led-1 {
			label = "fp_id_amber";
			default-state = "off";
			gpios = <&gpio0 ASPEED_GPIO(B, 5) GPIO_ACTIVE_HIGH>;
		};

		led-2 {
			label = "power_blue";
			default-state = "off";
			gpios = <&gpio0 ASPEED_GPIO(P, 4) GPIO_ACTIVE_HIGH>;
		};

Annotation

Implementation Notes