arch/arm/boot/dts/aspeed/aspeed-bmc-opp-mowgli.dts

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

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/aspeed/aspeed-bmc-opp-mowgli.dts
Extension
.dts
Size
10941 bytes
Lines
668
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-g5.dtsi"
#include <dt-bindings/gpio/aspeed-gpio.h>
#include <dt-bindings/leds/leds-pca955x.h>

/ {
	model = "Mowgli BMC";
	compatible = "ibm,mowgli-bmc", "aspeed,ast2500";


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

	memory@80000000 {
		reg = <0x80000000 0x20000000>;
	};

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

		flash_memory: region@98000000 {
			no-map;
			reg = <0x98000000 0x04000000>; /* 64M */
		};

		gfx_memory: framebuffer {
			size = <0x01000000>;
			alignment = <0x01000000>;
			compatible = "shared-dma-pool";
			reusable;
		};

		video_engine_memory: jpegbuffer {
			size = <0x02000000>;
			alignment = <0x01000000>;
			compatible = "shared-dma-pool";
			reusable;
		};
	};

	gpio-keys {
		compatible = "gpio-keys";

		event-air-water {
			label = "air-water";
			gpios = <&gpio ASPEED_GPIO(F, 6) GPIO_ACTIVE_LOW>;
			linux,code = <ASPEED_GPIO(F, 6)>;
		};

		event-checkstop {
			label = "checkstop";
			gpios = <&gpio ASPEED_GPIO(J, 2) GPIO_ACTIVE_LOW>;
			linux,code = <ASPEED_GPIO(J, 2)>;
		};

		event-ps0-presence {
			label = "ps0-presence";
			gpios = <&gpio ASPEED_GPIO(Z, 2) GPIO_ACTIVE_LOW>;
			linux,code = <ASPEED_GPIO(Z, 2)>;
		};

		event-ps1-presence {
			label = "ps1-presence";
			gpios = <&gpio ASPEED_GPIO(Z, 0) GPIO_ACTIVE_LOW>;
			linux,code = <ASPEED_GPIO(Z, 0)>;

Annotation

Implementation Notes