arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtmitchell.dts

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

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtmitchell.dts
Extension
.dts
Size
21058 bytes
Lines
1062
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-only
// Copyright (c) 2022, Ampere Computing LLC

/dts-v1/;

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

/ {
	model = "Ampere Mt.Mitchell BMC";
	compatible = "ampere,mtmitchell-bmc", "aspeed,ast2600";

	aliases {
		serial7 = &uart8;
		serial8 = &uart9;

		/*
		 * I2C temperature alias port
		 */
		i2c20 = &i2c4_bus70_chn0;
		i2c21 = &i2c4_bus70_chn1;
		i2c22 = &i2c4_bus70_chn2;
		i2c23 = &i2c4_bus70_chn3;

		/*
		 *  i2c bus 30-31 assigned to OCP slot 0-1
		 */
		i2c30 = &ocpslot_0;
		i2c31 = &ocpslot_1;

		/*
		 *  i2c bus 32-33 assigned to Riser slot 0-1
		 */
		i2c32 = &i2c_riser0;
		i2c33 = &i2c_riser1;

		/*
		 *  i2c bus 38-39 assigned to FRU on Riser slot 0-1
		 */
		i2c38 = &i2c_riser0_chn_0;
		i2c39 = &i2c_riser1_chn_0;

		/*
		 *  I2C NVMe alias port
		 */
		i2c100 = &backplane_0;
		i2c48 = &nvmeslot_0;
		i2c49 = &nvmeslot_1;
		i2c50 = &nvmeslot_2;
		i2c51 = &nvmeslot_3;
		i2c52 = &nvmeslot_4;
		i2c53 = &nvmeslot_5;
		i2c54 = &nvmeslot_6;
		i2c55 = &nvmeslot_7;

		i2c101 = &backplane_1;
		i2c56 = &nvmeslot_8;
		i2c57 = &nvmeslot_9;
		i2c58 = &nvmeslot_10;
		i2c59 = &nvmeslot_11;
		i2c60 = &nvmeslot_12;
		i2c61 = &nvmeslot_13;
		i2c62 = &nvmeslot_14;
		i2c63 = &nvmeslot_15;

		i2c102 = &backplane_2;
		i2c64 = &nvmeslot_16;
		i2c65 = &nvmeslot_17;
		i2c66 = &nvmeslot_18;

Annotation

Implementation Notes