src/arm64/renesas/r8a774a1-hihope-rzg2m-ex-idk-1110wr.dts

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Device Tree Source for the HiHope RZ/G2M sub board connected to an
   4  * Advantech IDK-1110WR 10.1" LVDS panel
   5  *
   6  * Copyright (C) 2020 Renesas Electronics Corp.
   7  */
   8
   9 #include "r8a774a1-hihope-rzg2m-ex.dts"
  10 #include "rzg2-advantech-idk-1110wr-panel.dtsi"
  11
  12 / {
  13         backlight {
  14                 compatible = "pwm-backlight";
  15                 pwms = <&pwm0 0 50000>;
  16
  17                 brightness-levels = <0 2 8 16 32 64 128 255>;
  18                 default-brightness-level = <6>;
  19         };
  20
  21 };
  22
  23 &gpio1 {
  24         /*
  25          * When GP1_20 is LOW LVDS0 is connected to the LVDS connector
  26          * When GP1_20 is HIGH LVDS0 is connected to the LT8918L
  27          */
  28         lvds-connector-en-gpio {
  29                 gpio-hog;
  30                 gpios = <20 GPIO_ACTIVE_HIGH>;
  31                 output-low;
  32                 line-name = "lvds-connector-en-gpio";
  33         };
  34 };
  35
  36 &lvds0 {
  37         status = "okay";
  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 };