arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-balcones.dts

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

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-balcones.dts
Extension
.dts
Size
10141 bytes
Lines
610
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-or-later
// Copyright 2025 IBM Corp.
/dts-v1/;

#include <dt-bindings/gpio/aspeed-gpio.h>
#include <dt-bindings/i2c/i2c.h>
#include <dt-bindings/leds/leds-pca955x.h>
#include "aspeed-g6.dtsi"
#include "ibm-power11-dual.dtsi"

/ {
	model = "Balcones";
	compatible = "ibm,balcones-bmc", "aspeed,ast2600";

	aliases {
		serial4 = &uart5;
		i2c16 = &i2c11mux0chn0;
		i2c17 = &i2c11mux0chn1;
		i2c18 = &i2c11mux0chn2;
		i2c19 = &i2c11mux0chn3;
	};

	chosen {
		stdout-path = &uart5;
	};

	gpio-keys-polled {
		compatible = "gpio-keys-polled";
		poll-interval = <1000>;

		event-fan0-presence {
			gpios = <&gpio0 ASPEED_GPIO(F, 4) GPIO_ACTIVE_LOW>;
			label = "fan0-presence";
			linux,code = <6>;
		};

		event-fan1-presence {
			gpios = <&gpio0 ASPEED_GPIO(F, 5) GPIO_ACTIVE_LOW>;
			label = "fan1-presence";
			linux,code = <7>;
		};
	};

	iio-hwmon {
		compatible = "iio-hwmon";
		io-channels = <&adc1 7>;
	};

	leds {
		compatible = "gpio-leds";

		led-fan0 {
			gpios = <&gpio0 ASPEED_GPIO(G, 0) GPIO_ACTIVE_LOW>;
		};

		led-fan1 {
			gpios = <&gpio0 ASPEED_GPIO(G, 1) GPIO_ACTIVE_LOW>;
		};

		led-rear-enc-id0 {
			gpios = <&gpio0 ASPEED_GPIO(H, 2) GPIO_ACTIVE_LOW>;
		};

		led-rear-enc-fault0 {
			gpios = <&gpio0 ASPEED_GPIO(H, 3) GPIO_ACTIVE_LOW>;
		};
	};

	memory@80000000 {
		device_type = "memory";

Annotation

Implementation Notes