arch/arm/boot/dts/microchip/at91-ariettag25.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/microchip/at91-ariettag25.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/microchip/at91-ariettag25.dts
Extension
.dts
Size
1230 bytes
Lines
88
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
/*
 * Device Tree file for Arietta G25
 * This device tree is minimal, to activate more peripherals, see:
 * http://dts.acmesystems.it/arietta/
 */
/dts-v1/;
#include "at91sam9g25.dtsi"

/ {
	model = "Acme Systems Arietta G25";
	compatible = "acme,ariettag25", "atmel,at91sam9x5", "atmel,at91sam9";

	chosen {
		stdout-path = "serial0:115200n8";
	};

	memory@20000000 {
		reg = <0x20000000 0x8000000>;
	};

	clocks {
		slow_xtal {
			clock-frequency = <32768>;
		};

		main_xtal {
			clock-frequency = <12000000>;
		};
	};

	leds {
		compatible = "gpio-leds";

		arietta_led {
			label = "arietta_led";
			gpios = <&pioB 8 GPIO_ACTIVE_HIGH>; /* PB8 */
			linux,default-trigger = "heartbeat";
		};
	};
};

&dbgu {
	status = "okay";
};

&mmc0 {
	pinctrl-0 = <
		&pinctrl_mmc0_slot0_clk_cmd_dat0
		&pinctrl_mmc0_slot0_dat1_3>;
	pinctrl-names = "default";
	status = "okay";

	slot@0 {
		reg = <0>;
		bus-width = <4>;
	};
};

&rtc {
	status = "okay";
};

&tcb0 {
	timer@0 {
		compatible = "atmel,tcb-timer";
		reg = <0>;
	};

	timer@1 {

Annotation

Implementation Notes