arch/arm/dts/stm32mp15xx-dhcom-picoitx.dts

   1 // SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
   2 /*
   3  * Copyright (C) 2020 Marek Vasut <marex@denx.de>
   4  */
   5
   6 #include "stm32mp15xx-dhcom.dtsi"
   7
   8 / {
   9         model = "DH Electronics STM32MP15xx DHCOM PicoITX";
  10         compatible = "dh,stm32mp15xx-dhcom-picoitx", "st,stm32mp1xx";
  11
  12         aliases {
  13                 serial0 = &uart4;
  14                 serial1 = &usart3;
  15                 serial2 = &uart8;
  16         };
  17
  18         chosen {
  19                 stdout-path = "serial0:115200n8";
  20         };
  21 };
  22
  23 &adc {
  24         status = "disabled";
  25 };
  26
  27 &dac {
  28         status = "disabled";
  29 };
  30
  31 &gpioa {
  32         /*
  33          * NOTE: The USB Port on the PicoITX needs a PWR_EN signal to enable
  34          * port power. This signal should be handled by USB power sequencing
  35          * in order to turn on port power when USB bus is powered up, but so
  36          * far there is no such functionality.
  37          */
  38         usb-port-power {
  39                 gpio-hog;
  40                 gpios = <13 GPIO_ACTIVE_LOW>;
  41                 output-low;
  42                 line-name = "usb-port-power";
  43         };
  44 };
  45
  46 &i2c2 { /* On board-to-board connector (optional) */
  47         pinctrl-names = "default";
  48         pinctrl-0 = <&i2c2_pins_a>;
  49         i2c-scl-rising-time-ns = <185>;
  50         i2c-scl-falling-time-ns = <20>;
  51         status = "okay";
  52         /* spare dmas for other usage */
  53         /delete-property/dmas;
  54         /delete-property/dma-names;
  55 };
  56
  57 &i2c5 { /* On board-to-board connector */
  58         pinctrl-names = "default";
  59         pinctrl-0 = <&i2c5_pins_a>;
  60         i2c-scl-rising-time-ns = <185>;
  61         i2c-scl-falling-time-ns = <20>;
  62         status = "okay";
  63         /* spare dmas for other usage */
  64         /delete-property/dmas;
  65         /delete-property/dma-names;
  66 };
  67
  68 &usart3 {
  69         pinctrl-names = "default";
  70         pinctrl-0 = <&usart3_pins_a>;
  71         status = "okay";
  72 };
  73
  74 &uart8 {
  75         pinctrl-names = "default";
  76         pinctrl-0 = <&uart8_pins_a>;
  77         status = "okay";
  78 };
  79
  80 &usbh_ehci {
  81         phys = <&usbphyc_port0>;
  82         status = "okay";
  83 };
  84
  85 &usbphyc {
  86         status = "okay";
  87 };
  88
  89 &usbphyc_port0 {
  90         phy-supply = <&vdd_usb>;
  91         vdda1v1-supply = <&reg11>;
  92         vdda1v8-supply = <&reg18>;
  93 };