arch/arm/boot/dts/broadcom/bcm23550.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/broadcom/bcm23550.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/broadcom/bcm23550.dtsi
Extension
.dtsi
Size
1686 bytes
Lines
92
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: BSD-3-Clause
/*
 * Device tree for the BCM23550 SoC.
 *
 * Copyright (C) 2016 Broadcom
 */

#include "bcm2166x-common.dtsi"

/ {
	interrupt-parent = <&gic>;

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

		cpu0: cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a7";
			reg = <0>;
			clock-frequency = <1000000000>;
		};

		cpu1: cpu@1 {
			device_type = "cpu";
			compatible = "arm,cortex-a7";
			enable-method = "brcm,bcm23550";
			secondary-boot-reg = <0x35004178>;
			reg = <1>;
			clock-frequency = <1000000000>;
		};

		cpu2: cpu@2 {
			device_type = "cpu";
			compatible = "arm,cortex-a7";
			enable-method = "brcm,bcm23550";
			secondary-boot-reg = <0x35004178>;
			reg = <2>;
			clock-frequency = <1000000000>;
		};

		cpu3: cpu@3 {
			device_type = "cpu";
			compatible = "arm,cortex-a7";
			enable-method = "brcm,bcm23550";
			secondary-boot-reg = <0x35004178>;
			reg = <3>;
			clock-frequency = <1000000000>;
		};
	};
};

&apps {
		cdc: cdc@1b0e000 {
			compatible = "brcm,bcm23550-cdc";
			reg = <0x01b0e000 0x78>;
		};

		gic: interrupt-controller@1b21000 {
			compatible = "arm,cortex-a9-gic";
			#interrupt-cells = <3>;
			#address-cells = <0>;
			interrupt-controller;
			reg = <0x01b21000 0x1000>,
			      <0x01b22000 0x1000>;
		};
};

&bsc1 {
	compatible = "brcm,bcm23550-i2c", "brcm,kona-i2c";

Annotation

Implementation Notes