arch/arm/boot/dts/omap3-panel-sharp-ls037v7dw01.dtsi

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Common file for omap dpi panels with QVGA and reset pins
   4  *
   5  * Note that the board specifc DTS file needs to specify
   6  * at minimum the GPIO enable-gpios for display, and
   7  * gpios for gpio-backlight.
   8  */
   9
  10 / {
  11         aliases {
  12                 display0 = &lcd0;
  13         };
  14
  15         backlight0: backlight {
  16                 compatible = "gpio-backlight";
  17                 default-on;
  18         };
  19
  20         /* 3.3V GPIO controlled regulator for LCD_ENVDD */
  21         lcd_3v3: regulator-lcd-3v3 {
  22                 compatible = "regulator-fixed";
  23                 regulator-name = "lcd_3v3";
  24                 regulator-min-microvolt = <3300000>;
  25                 regulator-max-microvolt = <3300000>;
  26                 startup-delay-us = <70000>;
  27         };
  28
  29         lcd0: display {
  30                 compatible = "sharp,ls037v7dw01";
  31                 label = "lcd";
  32                 power-supply = <&lcd_3v3>;
  33                 envdd-supply = <&lcd_3v3>;
  34
  35                 port {
  36                         lcd_in: endpoint {
  37                                 remote-endpoint = <&dpi_out>;
  38                         };
  39                 };
  40         };
  41 };
  42
  43 /* Needed to power the DPI pins */
  44 &vpll2 {
  45         regulator-always-on;
  46 };
  47
  48 &dss {
  49         status = "okay";
  50         port {
  51                 dpi_out: endpoint {
  52                         remote-endpoint = <&lcd_in>;
  53                         data-lines = <18>;
  54                 };
  55         };
  56 };
  57
  58 &mcspi1 {
  59         tsc2046@0 {
  60                 reg = <0>;                      /* CS0 */
  61                 compatible = "ti,tsc2046";
  62                 spi-max-frequency = <1000000>;
  63                 vcc-supply = <&lcd_3v3>;
  64                 ti,x-min = /bits/ 16 <0>;
  65                 ti,x-max = /bits/ 16 <8000>;
  66                 ti,y-min = /bits/ 16 <0>;
  67                 ti,y-max = /bits/ 16 <4800>;
  68                 ti,x-plate-ohms = /bits/ 16 <40>;
  69                 ti,pressure-max = /bits/ 16 <255>;
  70                 ti,swap-xy;
  71                 wakeup-source;
  72         };
  73 };