arch/arm/boot/dts/hisilicon/hi3519.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/hisilicon/hi3519.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/hisilicon/hi3519.dtsi
Extension
.dtsi
Size
4535 bytes
Lines
175
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-later
/*
 * Copyright (c) 2015 HiSilicon Technologies Co., Ltd.
 */

#include <dt-bindings/clock/hi3519-clock.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
/ {
	#address-cells = <1>;
	#size-cells = <1>;
	chosen { };

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;

		cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a7";
			reg = <0>;
		};
	};

	gic: interrupt-controller@10300000 {
		compatible = "arm,cortex-a7-gic";
		#interrupt-cells = <3>;
		interrupt-controller;
		reg = <0x10301000 0x1000>, <0x10302000 0x1000>;
	};

	clk_3m: clk_3m {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <3000000>;
	};

	crg: clock-reset-controller@12010000 {
		compatible = "hisilicon,hi3519-crg";
		#clock-cells = <1>;
		#reset-cells = <2>;
		reg = <0x12010000 0x10000>;
	};

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

		uart0: serial@12100000 {
			compatible = "arm,pl011", "arm,primecell";
			reg = <0x12100000 0x1000>;
			interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&crg HI3519_UART0_CLK>, <&crg HI3519_UART0_CLK>;
			clock-names = "uartclk", "apb_pclk";
			status = "disabled";
		};

		uart1: serial@12101000 {
			compatible = "arm,pl011", "arm,primecell";
			reg = <0x12101000 0x1000>;
			interrupts = <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&crg HI3519_UART1_CLK>, <&crg HI3519_UART1_CLK>;
			clock-names = "uartclk", "apb_pclk";
			status = "disabled";
		};

		uart2: serial@12102000 {
			compatible = "arm,pl011", "arm,primecell";

Annotation

Implementation Notes