arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-wedge400-data64.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-wedge400-data64.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-wedge400-data64.dts
Extension
.dts
Size
5800 bytes
Lines
376
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) 2019 Facebook Inc.
/dts-v1/;

#include <dt-bindings/gpio/aspeed-gpio.h>
#include "ast2500-facebook-netbmc-common.dtsi"

/ {
	model = "Facebook Wedge 400 BMC (64MB Datastore)";
	compatible = "facebook,wedge400-data64-bmc", "aspeed,ast2500";

	aliases {
		/*
		 * PCA9548 (2-0070) provides 8 channels connecting to
		 * SCM (System Controller Module).
		 */
		i2c16 = &imux16;
		i2c17 = &imux17;
		i2c18 = &imux18;
		i2c19 = &imux19;
		i2c20 = &imux20;
		i2c21 = &imux21;
		i2c22 = &imux22;
		i2c23 = &imux23;

		/*
		 * PCA9548 (8-0070) provides 8 channels connecting to
		 * SMB (Switch Main Board).
		 */
		i2c24 = &imux24;
		i2c25 = &imux25;
		i2c26 = &imux26;
		i2c27 = &imux27;
		i2c28 = &imux28;
		i2c29 = &imux29;
		i2c30 = &imux30;
		i2c31 = &imux31;

		/*
		 * PCA9548 (11-0076) provides 8 channels connecting to
		 * FCM (Fan Controller Module).
		 */
		i2c32 = &imux32;
		i2c33 = &imux33;
		i2c34 = &imux34;
		i2c35 = &imux35;
		i2c36 = &imux36;
		i2c37 = &imux37;
		i2c38 = &imux38;
		i2c39 = &imux39;

		spi2 = &spi_gpio;
	};

	chosen {
		stdout-path = &uart1;
	};

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

	/*
	 * GPIO-based SPI Master is required to access SPI TPM, because
	 * full-duplex SPI transactions are not supported by ASPEED SPI
	 * Controllers.
	 */
	spi_gpio: spi {

Annotation

Implementation Notes