arch/arm/boot/dts/imx7-colibri-aster.dtsi

   1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
   2 /*
   3  * Copyright 2017-2020 Toradex AG
   4  *
   5  */
   6
   7
   8 #include <dt-bindings/input/input.h>
   9 #include <dt-bindings/pwm/pwm.h>
  10
  11 / {
  12         chosen {
  13                 stdout-path = "serial0:115200n8";
  14         };
  15
  16         gpio-keys {
  17                 compatible = "gpio-keys";
  18                 pinctrl-names = "default";
  19                 pinctrl-0 = <&pinctrl_gpiokeys>;
  20
  21                 power {
  22                         label = "Wake-Up";
  23                         gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>;
  24                         linux,code = <KEY_WAKEUP>;
  25                         debounce-interval = <10>;
  26                         wakeup-source;
  27                 };
  28         };
  29
  30         panel: panel {
  31                 compatible = "edt,et057090dhu";
  32                 backlight = <&bl>;
  33                 power-supply = <&reg_3v3>;
  34
  35                 port {
  36                         panel_in: endpoint {
  37                                 remote-endpoint = <&lcdif_out>;
  38                         };
  39                 };
  40         };
  41
  42         reg_3v3: regulator-3v3 {
  43                 compatible = "regulator-fixed";
  44                 regulator-name = "3.3V";
  45                 regulator-min-microvolt = <3300000>;
  46                 regulator-max-microvolt = <3300000>;
  47         };
  48
  49         reg_5v0: regulator-5v0 {
  50                 compatible = "regulator-fixed";
  51                 regulator-name = "5V";
  52                 regulator-min-microvolt = <5000000>;
  53                 regulator-max-microvolt = <5000000>;
  54         };
  55
  56         reg_usbh_vbus: regulator-usbh-vbus {
  57                 compatible = "regulator-fixed";
  58                 pinctrl-names = "default";
  59                 pinctrl-0 = <&pinctrl_usbh_reg>;
  60                 regulator-name = "VCC_USB[1-4]";
  61                 regulator-min-microvolt = <5000000>;
  62                 regulator-max-microvolt = <5000000>;
  63                 gpio = <&gpio4 7 GPIO_ACTIVE_LOW>;
  64                 vin-supply = <&reg_5v0>;
  65         };
  66 };
  67
  68 &adc1 {
  69         status = "okay";
  70 };
  71
  72 /*
  73  * ADC2 is not available on the Aster board and
  74  * conflicts with AD7879 resistive touchscreen.
  75  */
  76 &adc2 {
  77         status = "disabled";
  78 };
  79
  80 &bl {
  81         brightness-levels = <0 4 8 16 32 64 128 255>;
  82         default-brightness-level = <6>;
  83         power-supply = <&reg_3v3>;
  84         status = "okay";
  85 };
  86
  87 &fec1 {
  88         status = "okay";
  89 };
  90
  91 &i2c4 {
  92         status = "okay";
  93
  94         /* Microchip/Atmel maxtouch controller */
  95         touchscreen@4a {
  96                 compatible = "atmel,maxtouch";
  97                 pinctrl-names = "default";
  98                 pinctrl-0 = <&pinctrl_gpiotouch>;
  99                 reg = <0x4a>;
 100                 interrupt-parent = <&gpio2>;
 101                 interrupts = <15 IRQ_TYPE_EDGE_FALLING>;        /* SODIMM 107 */
 102                 reset-gpios = <&gpio2 28 GPIO_ACTIVE_LOW>;      /* SODIMM 106 */
 103         };
 104
 105         /* M41T0M6 real time clock on carrier board */
 106         rtc: m41t0m6@68 {
 107                 compatible = "st,m41t0";
 108                 reg = <0x68>;
 109         };
 110 };
 111
 112 &iomuxc {
 113         pinctrl_gpiotouch: touchgpios {
 114                 fsl,pins = <
 115                         MX7D_PAD_EPDC_DATA15__GPIO2_IO15        0x74
 116                         MX7D_PAD_EPDC_BDR0__GPIO2_IO28          0x14
 117                 >;
 118         };
 119 };
 120
 121 &lcdif {
 122         status = "okay";
 123
 124         port {
 125                 lcdif_out: endpoint {
 126                         remote-endpoint = <&panel_in>;
 127                 };
 128         };
 129 };
 130
 131 &pwm1 {
 132         status = "okay";
 133 };
 134
 135 &pwm2 {
 136         status = "okay";
 137 };
 138
 139 &pwm3 {
 140         status = "okay";
 141 };
 142
 143 &pwm4 {
 144         status = "okay";
 145 };
 146
 147 &uart1 {
 148         status = "okay";
 149 };
 150
 151 &uart2 {
 152         status = "okay";
 153 };
 154
 155 &uart3 {
 156         status = "okay";
 157 };
 158
 159 &usbotg1 {
 160         status = "okay";
 161 };
 162
 163 &usdhc1 {
 164         keep-power-in-suspend;
 165         no-1-8-v;
 166         wakeup-source;
 167         vmmc-supply = <&reg_3v3>;
 168         status = "okay";
 169 };