arch/arm64/boot/dts/marvell/armada-ap80x.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/marvell/armada-ap80x.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/marvell/armada-ap80x.dtsi
Extension
.dtsi
Size
10670 bytes
Lines
470
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

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright (C) 2019 Marvell Technology Group Ltd.
 *
 * Device Tree file for Marvell Armada AP80x.
 */

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

/dts-v1/;

/ {
	#address-cells = <2>;
	#size-cells = <2>;

	aliases {
		serial0 = &uart0;
		serial1 = &uart1;
		gpio0 = &ap_gpio;
		spi0 = &spi0;
	};

	psci {
		compatible = "arm,psci-0.2";
		method = "smc";
	};

	reserved-memory {
		#address-cells = <2>;
		#size-cells = <2>;
		ranges;

		/*
		 * This area matches the mapping done with a
		 * mainline U-Boot, and should be updated by the
		 * bootloader.
		 */

		psci-area@4000000 {
			reg = <0x0 0x4000000 0x0 0x200000>;
			no-map;
		};

		tee@4400000 {
			reg = <0 0x4400000 0 0x1000000>;
			no-map;
		};
	};

	timer {
		compatible = "arm,armv8-timer";
		interrupt-parent = <&gic>;
		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
				<GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
				<GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
				<GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
	};

	pmu {
		compatible = "arm,cortex-a72-pmu";
		interrupt-parent = <&pic>;
		interrupts = <17>;
	};

	soc {
		#address-cells = <2>;
		#size-cells = <2>;
		compatible = "simple-bus";
		interrupt-parent = <&gic>;

Annotation

Implementation Notes