arch/arm/boot/dts/vt8500/wm8850-w70v2.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/vt8500/wm8850-w70v2.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/vt8500/wm8850-w70v2.dts
Extension
.dts
Size
1008 bytes
Lines
53
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
/*
 * wm8850-w70v2.dts
 *  - Device tree file for Wondermedia WM8850 Tablet
 *  - 'W70-V2' mainboard
 *  - HongLianYing 'HLY070ML268-21A' 7" LCD panel
 *
 * Copyright (C) 2012 Tony Prisk <linux@prisktech.co.nz>
 */

/dts-v1/;
/include/ "wm8850.dtsi"
#include <dt-bindings/pwm/pwm.h>

/ {
	model = "Wondermedia WM8850-W70v2 Tablet";

	backlight {
		compatible = "pwm-backlight";
		pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;

		brightness-levels = <0 40 60 80 100 130 190 255>;
		default-brightness-level = <5>;
	};

	memory@0 {
		device_type = "memory";
		reg = <0x0 0x20000000>;
	};
};

&fb {
	bits-per-pixel = <16>;
	display-timings {
		native-mode = <&timing0>;
		timing0: timing-800x480 {
			clock-frequency = <0>; /* unused but required */
			hactive = <800>;
			vactive = <480>;
			hfront-porch = <40>;
			hback-porch = <88>;
			hsync-len = <0>;
			vback-porch = <32>;
			vfront-porch = <11>;
			vsync-len = <1>;
		};
	};
};

&uart0 {
	status = "okay";
};

Annotation

Implementation Notes