arch/arm64/boot/dts/realtek/rtd1395.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/realtek/rtd1395.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/realtek/rtd1395.dtsi
Extension
.dtsi
Size
1274 bytes
Lines
68
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-later OR BSD-2-Clause)
/*
 * Realtek RTD1395 SoC
 *
 * Copyright (c) 2019 Andreas Färber
 */

#include "rtd139x.dtsi"

/ {
	compatible = "realtek,rtd1395";

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

		cpu0: cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a53";
			reg = <0x0 0x0>;
			next-level-cache = <&l2>;
		};

		cpu1: cpu@1 {
			device_type = "cpu";
			compatible = "arm,cortex-a53";
			reg = <0x0 0x1>;
			next-level-cache = <&l2>;
		};

		cpu2: cpu@2 {
			device_type = "cpu";
			compatible = "arm,cortex-a53";
			reg = <0x0 0x2>;
			next-level-cache = <&l2>;
		};

		cpu3: cpu@3 {
			device_type = "cpu";
			compatible = "arm,cortex-a53";
			reg = <0x0 0x3>;
			next-level-cache = <&l2>;
		};

		l2: l2-cache {
			compatible = "cache";
			cache-level = <2>;
			cache-unified;
		};
	};

	timer {
		compatible = "arm,armv8-timer";
		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)>;
	};
};

&arm_pmu {
	interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>;
};

Annotation

Implementation Notes