arch/arm/boot/dts/imx6qdl-skov-cpu-revc.dtsi

   1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
   2 //
   3 // Copyright (C) 2020 Pengutronix, Ulrich Oelmann <kernel@pengutronix.de>
   4
   5 &ecspi4 {
   6         pinctrl-names = "default";
   7         pinctrl-0 = <&pinctrl_ecspi4>;
   8         cs-gpios = <&gpio3 20 GPIO_ACTIVE_LOW>;
   9         status = "okay";
  10
  11         touchscreen@0 {
  12                 pinctrl-names = "default";
  13                 pinctrl-0 = <&pinctrl_touch>;
  14                 compatible = "ti,tsc2046";
  15                 reg = <0>;
  16                 spi-max-frequency = <1000000>;
  17                 interrupts-extended = <&gpio3 19 IRQ_TYPE_LEVEL_LOW>;
  18                 vcc-supply  = <&reg_3v3>;
  19                 pendown-gpio = <&gpio3 19 GPIO_ACTIVE_LOW>;
  20                 ti,x-plate-ohms = /bits/ 16 <850>;
  21                 ti,y-plate-ohms = /bits/ 16 <295>;
  22                 ti,pressure-min = /bits/ 16 <2>;
  23                 ti,pressure-max = /bits/ 16 <1500>;
  24                 ti,vref-mv      = /bits/ 16 <3300>;
  25                 ti,settle-delay-usec = /bits/ 16 <15>;
  26                 ti,vref-delay-usecs = /bits/ 16 <0>;
  27                 ti,penirq-recheck-delay-usecs = /bits/ 16 <100>;
  28                 ti,debounce-max = /bits/ 16 <100>;
  29                 ti,debounce-tol = /bits/ 16 <(~0)>;
  30                 ti,debounce-rep = /bits/ 16 <4>;
  31                 touchscreen-swapped-x-y;
  32                 touchscreen-inverted-y;
  33                 wakeup-source;
  34         };
  35 };
  36
  37 &iomuxc {
  38         pinctrl_ecspi4: ecspi4grp {
  39                 fsl,pins = <
  40                         MX6QDL_PAD_EIM_D28__ECSPI4_MOSI                 0x100b1
  41                         MX6QDL_PAD_EIM_D22__ECSPI4_MISO                 0x000b1
  42                         MX6QDL_PAD_EIM_D21__ECSPI4_SCLK                 0x000b1
  43                         /* *no* external pull up */
  44                         MX6QDL_PAD_EIM_D20__GPIO3_IO20          0x40000058
  45                 >;
  46         };
  47
  48         pinctrl_touch: touchgrp {
  49                 fsl,pins = <
  50                         /* external pull up */
  51                         MX6QDL_PAD_EIM_D19__GPIO3_IO19                  0x10040
  52                 >;
  53         };
  54 };