The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)

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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/src/arm/wm8850-w70v2.dts

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    1 // SPDX-License-Identifier: GPL-2.0-or-later
    2 /*
    3  * wm8850-w70v2.dts
    4  *  - Device tree file for Wondermedia WM8850 Tablet
    5  *  - 'W70-V2' mainboard
    6  *  - HongLianYing 'HLY070ML268-21A' 7" LCD panel
    7  *
    8  * Copyright (C) 2012 Tony Prisk <linux@prisktech.co.nz>
    9  */
   10 
   11 /dts-v1/;
   12 /include/ "wm8850.dtsi"
   13 #include <dt-bindings/pwm/pwm.h>
   14 
   15 / {
   16         model = "Wondermedia WM8850-W70v2 Tablet";
   17 
   18         backlight {
   19                 compatible = "pwm-backlight";
   20                 pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
   21 
   22                 brightness-levels = <0 40 60 80 100 130 190 255>;
   23                 default-brightness-level = <5>;
   24         };
   25 };
   26 
   27 &fb {
   28         bits-per-pixel = <16>;
   29         display-timings {
   30                 native-mode = <&timing0>;
   31                 timing0: 800x480 {
   32                         clock-frequency = <0>; /* unused but required */
   33                         hactive = <800>;
   34                         vactive = <480>;
   35                         hfront-porch = <40>;
   36                         hback-porch = <88>;
   37                         hsync-len = <0>;
   38                         vback-porch = <32>;
   39                         vfront-porch = <11>;
   40                         vsync-len = <1>;
   41                 };
   42         };
   43 };
   44 
   45 &uart0 {
   46         status = "okay";
   47 };

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