arch/arm/boot/dts/microchip/at91-q5xr5.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/microchip/at91-q5xr5.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/microchip/at91-q5xr5.dts
Extension
.dts
Size
3218 bytes
Lines
182
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-only
/*
 * Device Tree file for Exegin Q5xR5 board
 *
 * Copyright (C) 2014 Owen Kirby <osk@exegin.com>
 */

/dts-v1/;
#include "at91sam9g20.dtsi"

/ {
	model = "Exegin Q5x (rev5)";
	compatible = "exegin,q5xr5", "atmel,at91sam9g20", "atmel,at91sam9";

	chosen {
		bootargs = "console=ttyS0,115200 rootfstype=squashfs,jffs2";
	};

	memory {
		reg = <0x20000000 0x0>;
	};

	clocks {
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

		main_clock: clock@0 {
			compatible = "atmel,osc", "fixed-clock";
			clock-frequency = <18432000>;
		};

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

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

&dbgu {
	status = "okay";
};

&ebi {
	status = "okay";

	flash: flash@0 {
		compatible = "cfi-flash";
		#address-cells = <1>;
		#size-cells = <1>;
		reg = <0x0 0x1000000 0x800000>;
		bank-width = <2>;

		partitions {
			compatible = "fixed-partitions";
			#address-cells = <1>;
			#size-cells = <1>;

			kernel@0 {
				label = "kernel";
				reg = <0x0 0x200000>;
			};

			rootfs@200000 {
				label = "rootfs";
				reg = <0x200000 0x600000>;
			};

Annotation

Implementation Notes