arch/arm/boot/dts/nxp/imx/imx51-apf51dev.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/nxp/imx/imx51-apf51dev.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nxp/imx/imx51-apf51dev.dts
Extension
.dts
Size
4979 bytes
Lines
216
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
/*
 * Copyright 2013 Armadeus Systems - <support@armadeus.com>
 */

/* APF51Dev is a docking board for the APF51 SOM */
#include "imx51-apf51.dts"

/ {
	model = "Armadeus Systems APF51Dev docking/development board";
	compatible = "armadeus,imx51-apf51dev", "armadeus,imx51-apf51", "fsl,imx51";

	backlight {
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_backlight>;
		compatible = "gpio-backlight";
		gpios = <&gpio3 4 GPIO_ACTIVE_HIGH>;
		default-on;
	};

	disp1 {
		compatible = "fsl,imx-parallel-display";
		interface-pix-fmt = "bgr666";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_ipu_disp1>;

		display-timings {
			native-mode = <&timing0>;
			timing0: timing-lw700 {
				clock-frequency = <33000033>;
				hactive = <800>;
				vactive = <480>;
				hback-porch = <96>;
				hfront-porch = <96>;
				vback-porch = <20>;
				vfront-porch = <21>;
				hsync-len = <64>;
				vsync-len = <4>;
				hsync-active = <1>;
				vsync-active = <1>;
				de-active = <1>;
				pixelclk-active = <0>;
			};
		};

		port {
			display_in: endpoint {
				remote-endpoint = <&ipu_di0_disp1>;
			};
		};
	};

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

		user-key {
			label = "user";
			gpios = <&gpio1 3 GPIO_ACTIVE_HIGH>;
			linux,code = <256>; /* BTN_0 */
		};
	};

	leds {
		compatible = "gpio-leds";

		led-user {
			label = "Heartbeat";
			gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "heartbeat";
		};

Annotation

Implementation Notes