arch/arm/boot/dts/microchip/at91-kizbox.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/microchip/at91-kizbox.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/microchip/at91-kizbox.dts
Extension
.dts
Size
3363 bytes
Lines
191
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
/*
 * at91-kizbox.dts - Device Tree file for Overkiz Kizbox board
 *
 * Copyright (C) 2012-2014 Boris BREZILLON <b.brezillon@overkiz.com>
 *               2014-2015 Gaël PORTAY <g.portay@overkiz.com>
 */
/dts-v1/;
#include "at91sam9g20.dtsi"
#include <dt-bindings/pwm/pwm.h>

/ {
	model = "Overkiz Kizbox";
	compatible = "overkiz,kizbox", "atmel,at91sam9g20", "atmel,at91sam9";

	chosen {
		bootargs = "ubi.mtd=ubi";
		stdout-path = &dbgu;
	};

	memory@20000000 {
		reg = <0x20000000 0x2000000>;
	};

	clocks {
		main_xtal {
			clock-frequency = <18432000>;
		};
	};

	gpio-keys {
		compatible = "gpio-keys";

		button-reset {
			label = "PB_RST";
			gpios = <&pioB 30 GPIO_ACTIVE_HIGH>;
			linux,code = <0x100>;
			wakeup-source;
		};

		button-user {
			label = "PB_USER";
			gpios = <&pioB 31 GPIO_ACTIVE_HIGH>;
			linux,code = <0x101>;
			wakeup-source;
		};
	};

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

		led-1 {
			label = "pwm:green:network";
			pwms = <&tcb1_pwm1 0 10000000 PWM_POLARITY_INVERTED>;
			max-brightness = <255>;
			linux,default-trigger = "default-on";
		};

		led-2 {
			label = "pwm:red:network";
			pwms = <&tcb1_pwm2 0 10000000 PWM_POLARITY_INVERTED>;
			max-brightness = <255>;
			linux,default-trigger = "default-on";
		};

		led-3 {
			label = "pwm:green:user";
			pwms = <&tcb1_pwm0 0 10000000 PWM_POLARITY_INVERTED>;
			max-brightness = <255>;
			linux,default-trigger = "default-on";

Annotation

Implementation Notes