arch/arm/boot/dts/broadcom/bcm53016-meraki-mr32.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/broadcom/bcm53016-meraki-mr32.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/broadcom/bcm53016-meraki-mr32.dts
Extension
.dts
Size
3839 bytes
Lines
230
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 OR MIT
/*
 * Broadcom BCM470X / BCM5301X ARM platform code.
 * DTS for Meraki MR32 / Codename: Espresso
 *
 * Copyright (C) 2018-2020 Christian Lamparter <chunkeey@gmail.com>
 */

/dts-v1/;

#include "bcm4708.dtsi"
#include "bcm5301x-nand-cs0-bch8.dtsi"
#include <dt-bindings/leds/common.h>

/ {
	compatible = "meraki,mr32", "brcm,bcm53016", "brcm,bcm4708";
	model = "Meraki MR32";

	chosen {
		bootargs = " console=ttyS0,115200n8 earlycon";
	};

	memory@0 {
		reg = <0x00000000 0x08000000>;
		device_type = "memory";
	};

	aliases {
		serial1 = &uart2;
	};

	leds {
		compatible = "gpio-leds";

		sysled3 {
			function = LED_FUNCTION_FAULT;
			color = <LED_COLOR_ID_AMBER>;
			gpios = <&chipcommon 18 GPIO_ACTIVE_LOW>;
			panic-indicator;
		};
		sysled2 {
			function = LED_FUNCTION_INDICATOR;
			color = <LED_COLOR_ID_WHITE>;
			gpios = <&chipcommon 19 GPIO_ACTIVE_HIGH>;
		};
	};

	keys {
		compatible = "gpio-keys";

		button-restart {
			label = "Reset";
			linux,code = <KEY_RESTART>;
			gpios = <&chipcommon 21 GPIO_ACTIVE_LOW>;
		};
	};

	pwm-leds {
		compatible = "pwm-leds";

		led-0 {
			/* SYS-LED 1 - Tricolor */
			function = LED_FUNCTION_INDICATOR;
			color = <LED_COLOR_ID_RED>;
			pwms = <&pwm 0 50000 0>;
			max-brightness = <255>;
		};

		led-1 {
			/* SYS-LED 1 - Tricolor */

Annotation

Implementation Notes