arch/arm/boot/dts/imx6q-logicpd.dts

   1 // SPDX-License-Identifier: GPL-2.0
   2 //
   3 // Copyright (C) 2019 Logic PD, Inc.
   4
   5 /dts-v1/;
   6 #include "imx6q.dtsi"
   7 #include "imx6-logicpd-som.dtsi"
   8 #include "imx6-logicpd-baseboard.dtsi"
   9
  10 / {
  11         model = "Logic PD i.MX6QD SOM-M3";
  12         compatible = "fsl,imx6q";
  13
  14         backlight: backlight-lvds {
  15                 compatible = "pwm-backlight";
  16                 pwms = <&pwm3 0 20000>;
  17                 brightness-levels = <0 4 8 16 32 64 128 255>;
  18                 default-brightness-level = <6>;
  19                 power-supply = <&reg_lcd>;
  20         };
  21
  22         panel-lvds0 {
  23                 compatible = "okaya,rs800480t-7x0gp";
  24
  25                 port {
  26                         panel_in_lvds0: endpoint {
  27                                 remote-endpoint = <&lvds0_out>;
  28                         };
  29                 };
  30         };
  31
  32         reg_lcd: regulator-lcd {
  33                 pinctrl-names = "default";
  34                 pinctrl-0 = <&pinctrl_lcd_reg>;
  35                 compatible = "regulator-fixed";
  36                 regulator-name = "lcd_panel_pwr";
  37                 regulator-min-microvolt = <3300000>;
  38                 regulator-max-microvolt = <3300000>;
  39                 gpio = <&gpio4 17 GPIO_ACTIVE_HIGH>;
  40                 enable-active-high;
  41                 regulator-always-on;
  42                 vin-supply = <&reg_3v3>;
  43                 startup-delay-us = <500000>;
  44         };
  45
  46         reg_lcd_reset: regulator-lcd-reset {
  47                 pinctrl-names = "default";
  48                 pinctrl-0 = <&pinctrl_lcd_reset>;
  49                 compatible = "regulator-fixed";
  50                 regulator-name = "nLCD_RESET";
  51                 regulator-min-microvolt = <3300000>;
  52                 regulator-max-microvolt = <3300000>;
  53                 gpio = <&gpio5 2 GPIO_ACTIVE_HIGH>;
  54                 enable-active-high;
  55                 regulator-always-on;
  56                 vin-supply = <&reg_lcd>;
  57         };
  58 };
  59
  60 &clks {
  61         assigned-clocks = <&clks IMX6QDL_CLK_LDB_DI0_SEL>,
  62                           <&clks IMX6QDL_CLK_LDB_DI1_SEL>,
  63                           <&clks IMX6QDL_CLK_IPU1_DI0_PRE_SEL>,
  64                           <&clks IMX6QDL_CLK_IPU2_DI0_PRE_SEL>;
  65         assigned-clock-parents = <&clks IMX6QDL_CLK_PLL5_VIDEO_DIV>,
  66                                  <&clks IMX6QDL_CLK_PLL5_VIDEO_DIV>,
  67                                  <&clks IMX6QDL_CLK_PLL2_PFD2_396M>,
  68                                  <&clks IMX6QDL_CLK_PLL2_PFD2_396M>;
  69 };
  70
  71 &hdmi {
  72         ddc-i2c-bus = <&i2c3>;
  73         status = "okay";
  74 };
  75
  76 &ldb {
  77         status = "okay";
  78
  79         lvds-channel@0 {
  80                 fsl,data-mapping = "spwg";
  81                 fsl,data-width = <24>;
  82                 status = "okay";
  83
  84                 port@4 {
  85                         reg = <4>;
  86                         lvds0_out: endpoint {
  87                                 remote-endpoint = <&panel_in_lvds0>;
  88                         };
  89                 };
  90         };
  91
  92 };
  93
  94 &pwm3 {
  95         status = "okay";
  96 };
  97
  98 &reg_hdmi {
  99         regulator-always-on;    /* Without this, the level shifter on HDMI doesn't turn on */
 100 };
 101
 102 &iomuxc {
 103         pinctrl_lcd_reg: lcdreg {
 104                 fsl,pins = <
 105                         MX6QDL_PAD_DI0_PIN15__GPIO4_IO17        0x100b0 /* R_LCD_PANEL_PWR */
 106                 >;
 107         };
 108
 109         pinctrl_lcd_reset: lcdreset {
 110                 fsl,pins = <
 111                         MX6QDL_PAD_EIM_A25__GPIO5_IO02  0x100b0 /* LCD_nRESET */
 112                 >;
 113         };
 114
 115         pinctrl_touchscreen: touchscreengrp {
 116                 fsl,pins = <
 117                         MX6QDL_PAD_GPIO_6__GPIO1_IO06   0x1b0b0 /* TOUCH_nPINTDAV */
 118                 >;
 119         };
 120 };