arch/arm/dts/imx7-colibri-emmc.dts

   1 // SPDX-License-Identifier: GPL-2.0+ OR X11
   2 /*
   3  * Copyright 2019 Toradex AG
   4  */
   5
   6 /dts-v1/;
   7 #include "imx7-colibri.dtsi"
   8
   9 / {
  10         model = "Toradex Colibri iMX7D 1GB (eMMC)";
  11         compatible = "toradex,imx7d-colibri-emmc", "fsl,imx7d";
  12
  13         aliases {
  14                 mmc0 = &usdhc3;
  15                 mmc1 = &usdhc1;
  16                 usb0 = &usbotg1; /* required for ums */
  17         };
  18
  19         chosen {
  20                 stdout-path = &uart1;
  21         };
  22
  23         reg_5v0: regulator-5v0 {
  24                 compatible = "regulator-fixed";
  25                 regulator-name = "5V";
  26                 regulator-min-microvolt = <5000000>;
  27                 regulator-max-microvolt = <5000000>;
  28         };
  29
  30         reg_usbh_vbus: regulator-usbh-vbus {
  31                 compatible = "regulator-fixed";
  32                 pinctrl-names = "default";
  33                 pinctrl-0 = <&pinctrl_usbh_reg>;
  34                 regulator-name = "VCC_USB[1-4]";
  35                 regulator-min-microvolt = <5000000>;
  36                 regulator-max-microvolt = <5000000>;
  37                 gpio = <&gpio4 7 GPIO_ACTIVE_LOW>;
  38                 vin-supply = <&reg_5v0>;
  39         };
  40 };
  41
  42 &usdhc3 {
  43         pinctrl-names = "default";
  44         pinctrl-0 = <&pinctrl_usdhc3>;
  45         bus-width = <8>;
  46         non-removable;
  47         status = "okay";
  48 };
  49
  50 &iomuxc {
  51         pinctrl_usdhc3: usdhc3grp {
  52                 fsl,pins = <
  53                         MX7D_PAD_SD3_CMD__SD3_CMD               0x59
  54                         MX7D_PAD_SD3_CLK__SD3_CLK               0x19
  55                         MX7D_PAD_SD3_DATA0__SD3_DATA0           0x59
  56                         MX7D_PAD_SD3_DATA1__SD3_DATA1           0x59
  57                         MX7D_PAD_SD3_DATA2__SD3_DATA2           0x59
  58                         MX7D_PAD_SD3_DATA3__SD3_DATA3           0x59
  59                         MX7D_PAD_SD3_DATA4__SD3_DATA4           0x59
  60                         MX7D_PAD_SD3_DATA5__SD3_DATA5           0x59
  61                         MX7D_PAD_SD3_DATA6__SD3_DATA6           0x59
  62                         MX7D_PAD_SD3_DATA7__SD3_DATA7           0x59
  63                         MX7D_PAD_SD3_STROBE__SD3_STROBE         0x19
  64                 >;
  65         };
  66
  67         pinctrl_usbh_reg: gpio-usbh-vbus {
  68                 fsl,pins = <
  69                         MX7D_PAD_UART3_CTS_B__GPIO4_IO7 0x14
  70                 >;
  71         };
  72 };
  73
  74 /* Colibri USBC */
  75 &usbotg1 {
  76         /*
  77          * usbotg1 on Colibri iMX7 can function in both host/otg modes.
  78          * Gadget stack currently does not look at this at all while
  79          * the host stack refuses to bind/load if it is not set to host
  80          * (it obviously won't be enumerated during usb start invocation
  81          * if dr_mode = "otg")
  82          */
  83         dr_mode = "host";
  84         status = "okay";
  85 };
  86
  87 /* Colibri USBH */
  88 &usbotg2 {
  89         dr_mode = "host";
  90         vbus-supply = <&reg_usbh_vbus>;
  91         status = "okay";
  92 };