arch/arm/boot/dts/amlogic/meson.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/amlogic/meson.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/amlogic/meson.dtsi
Extension
.dtsi
Size
7712 bytes
Lines
326
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 MIT
/*
 * Copyright 2014 Carlo Caione <carlo@caione.org>
 */

#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/sound/meson-aiu.h>

/ {
	#address-cells = <1>;
	#size-cells = <1>;
	interrupt-parent = <&gic>;

	soc {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

		cbus: bus@c1100000 {
			compatible = "simple-bus";
			reg = <0xc1100000 0x200000>;
			#address-cells = <1>;
			#size-cells = <1>;
			ranges = <0x0 0xc1100000 0x200000>;

			hhi: system-controller@4000 {
				compatible = "amlogic,meson-hhi-sysctrl",
					     "simple-mfd",
					     "syscon";
				reg = <0x4000 0x400>;
			};

			aiu: audio-controller@5400 {
				compatible = "amlogic,aiu";
				#sound-dai-cells = <2>;
				sound-name-prefix = "AIU";
				reg = <0x5400 0x2ac>;
				interrupts = <GIC_SPI 48 IRQ_TYPE_EDGE_RISING>,
					     <GIC_SPI 50 IRQ_TYPE_EDGE_RISING>;
				interrupt-names = "i2s", "spdif";
				status = "disabled";
			};

			assist: assist@7c00 {
				compatible = "amlogic,meson-mx-assist", "syscon";
				reg = <0x7c00 0x200>;
			};

			hwrng: rng@8100 {
				compatible = "amlogic,meson-rng";
				reg = <0x8100 0x8>;
			};

			uart_A: serial@84c0 {
				compatible = "amlogic,meson6-uart";
				reg = <0x84c0 0x18>;
				interrupts = <GIC_SPI 26 IRQ_TYPE_EDGE_RISING>;
				fifo-size = <128>;
				status = "disabled";
			};

			uart_B: serial@84dc {
				compatible = "amlogic,meson6-uart";
				reg = <0x84dc 0x18>;
				interrupts = <GIC_SPI 75 IRQ_TYPE_EDGE_RISING>;
				status = "disabled";
			};

Annotation

Implementation Notes