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/arm64/renesas/hihope-rzg2-ex-lvds.dtsi

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    1 // SPDX-License-Identifier: GPL-2.0
    2 /*
    3  * Device Tree Source for the RZ/G2[MN] HiHope sub board LVDS common parts
    4  *
    5  * Copyright (C) 2020 Renesas Electronics Corp.
    6  */
    7 
    8 / {
    9         backlight {
   10                 compatible = "pwm-backlight";
   11                 pwms = <&pwm0 0 50000>;
   12 
   13                 brightness-levels = <0 2 8 16 32 64 128 255>;
   14                 default-brightness-level = <6>;
   15         };
   16 };
   17 
   18 &gpio1 {
   19         /*
   20          * When GP1_20 is LOW LVDS0 is connected to the LVDS connector
   21          * When GP1_20 is HIGH LVDS0 is connected to the LT8918L
   22          */
   23         lvds-connector-en-hog {
   24                 gpio-hog;
   25                 gpios = <20 GPIO_ACTIVE_HIGH>;
   26                 output-low;
   27                 line-name = "lvds-connector-en-gpio";
   28         };
   29 };
   30 
   31 &lvds0 {
   32         ports {
   33                 port@1 {
   34                         lvds_connector: endpoint {
   35                         };
   36                 };
   37         };
   38 };
   39 
   40 &pfc {
   41         pwm0_pins: pwm0 {
   42                 groups = "pwm0";
   43                 function = "pwm0";
   44         };
   45 };
   46 
   47 &pwm0 {
   48         pinctrl-0 = <&pwm0_pins>;
   49         pinctrl-names = "default";
   50 
   51         status = "okay";
   52 };

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