arch/arm/boot/dts/microchip/at91sam9rlek.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/microchip/at91sam9rlek.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/microchip/at91sam9rlek.dts
Extension
.dts
Size
5204 bytes
Lines
277
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
/*
 * at91sam9rlek.dts - Device Tree file for Atmel at91sam9rl reference board
 *
 *  Copyright (C) 2014 Microchip
 *  Alexandre Belloni <alexandre.belloni@free-electrons.com>
 */
/dts-v1/;
#include "at91sam9rl.dtsi"

/ {
	model = "Atmel at91sam9rlek";
	compatible = "atmel,at91sam9rlek", "atmel,at91sam9rl", "atmel,at91sam9";

	chosen {
		bootargs = "rootfstype=ubifs root=ubi0:rootfs ubi.mtd=5 rw";
		stdout-path = "serial0:115200n8";
	};

	memory@20000000 {
		reg = <0x20000000 0x4000000>;
	};

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

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

	ahb {
		fb0: fb@500000 {
			display = <&display0>;
			status = "okay";

			display0: panel {
				bits-per-pixel = <16>;
				atmel,lcdcon-backlight;
				atmel,dmacon = <0x1>;
				atmel,lcdcon2 = <0x80008002>;
				atmel,guard-time = <1>;
				atmel,lcd-wiring-mode = "RGB";

				display-timings {
					native-mode = <&timing0>;
					timing0: timing0 {
						clock-frequency = <4965000>;
						hactive = <240>;
						vactive = <320>;
						hback-porch = <1>;
						hfront-porch = <33>;
						vback-porch = <1>;
						vfront-porch = <0>;
						hsync-len = <5>;
						vsync-len = <1>;
						hsync-active = <1>;
						vsync-active = <1>;
					};
				};
			};
		};

		ebi: ebi@10000000 {
			pinctrl-0 = <&pinctrl_ebi_addr_nand>;
			pinctrl-names = "default";
			status = "okay";

Annotation

Implementation Notes