arch/arm64/boot/dts/amazon/alpine-v2.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/amazon/alpine-v2.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/amazon/alpine-v2.dtsi
Extension
.dtsi
Size
6198 bytes
Lines
234
Domain
Architecture Layer
Bucket
arch/arm64
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

/dts-v1/;

#include <dt-bindings/interrupt-controller/arm-gic.h>

/ {
	model = "Annapurna Labs Alpine v2";
	compatible = "al,alpine-v2";
	interrupt-parent = <&gic>;
	#address-cells = <2>;
	#size-cells = <2>;

	cpus {
		#address-cells = <2>;
		#size-cells = <0>;

		cpu@0 {
			compatible = "arm,cortex-a57";
			device_type = "cpu";
			reg = <0x0 0x0>;
			enable-method = "psci";
		};

		cpu@1 {
			compatible = "arm,cortex-a57";
			device_type = "cpu";
			reg = <0x0 0x1>;
			enable-method = "psci";
		};

		cpu@2 {
			compatible = "arm,cortex-a57";
			device_type = "cpu";
			reg = <0x0 0x2>;
			enable-method = "psci";
		};

		cpu@3 {
			compatible = "arm,cortex-a57";
			device_type = "cpu";
			reg = <0x0 0x3>;
			enable-method = "psci";
		};
	};

	psci {
		compatible = "arm,psci-0.2", "arm,psci";
		method = "smc";
		cpu_suspend = <0x84000001>;
		cpu_off = <0x84000002>;
		cpu_on = <0x84000003>;
	};

	sbclk: sbclk {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <1000000>;
	};

	timer {
		compatible = "arm,armv8-timer";
		interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>,
			     <GIC_PPI 14 IRQ_TYPE_LEVEL_LOW>,
			     <GIC_PPI 11 IRQ_TYPE_LEVEL_LOW>,
			     <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>;
	};

	pmu {
		compatible = "arm,cortex-a57-pmu";
		interrupts = <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>,
			     <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>,

Annotation

Implementation Notes