The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)

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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/src/arm/imx23-olinuxino.dts

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    1 // SPDX-License-Identifier: GPL-2.0-or-later
    2 /*
    3  * Copyright 2012 Freescale Semiconductor, Inc.
    4  *
    5  * Author: Fabio Estevam <fabio.estevam@freescale.com>
    6  */
    7 
    8 /dts-v1/;
    9 #include <dt-bindings/gpio/gpio.h>
   10 #include "imx23.dtsi"
   11 
   12 / {
   13         model = "i.MX23 Olinuxino Low Cost Board";
   14         compatible = "olimex,imx23-olinuxino", "fsl,imx23";
   15 
   16         memory@40000000 {
   17                 device_type = "memory";
   18                 reg = <0x40000000 0x04000000>;
   19         };
   20 
   21         apb@80000000 {
   22                 apbh@80000000 {
   23                         ssp0: spi@80010000 {
   24                                 compatible = "fsl,imx23-mmc";
   25                                 pinctrl-names = "default";
   26                                 pinctrl-0 = <&mmc0_4bit_pins_a &mmc0_sck_cfg>;
   27                                 bus-width = <4>;
   28                                 broken-cd;
   29                                 status = "okay";
   30                         };
   31 
   32                         pinctrl@80018000 {
   33                                 pinctrl-names = "default";
   34                                 pinctrl-0 = <&hog_pins_a>;
   35 
   36                                 hog_pins_a: hog@0 {
   37                                         reg = <0>;
   38                                         fsl,pinmux-ids = <
   39                                                 MX23_PAD_GPMI_ALE__GPIO_0_17
   40                                         >;
   41                                         fsl,drive-strength = <MXS_DRIVE_4mA>;
   42                                         fsl,voltage = <MXS_VOLTAGE_HIGH>;
   43                                         fsl,pull-up = <MXS_PULL_DISABLE>;
   44                                 };
   45 
   46                                 led_pin_gpio2_1: led_gpio2_1@0 {
   47                                         reg = <0>;
   48                                         fsl,pinmux-ids = <
   49                                                 MX23_PAD_SSP1_DETECT__GPIO_2_1
   50                                         >;
   51                                         fsl,drive-strength = <MXS_DRIVE_4mA>;
   52                                         fsl,voltage = <MXS_VOLTAGE_HIGH>;
   53                                         fsl,pull-up = <MXS_PULL_DISABLE>;
   54                                 };
   55                         };
   56 
   57                         ssp1: spi@80034000 {
   58                                 #address-cells = <1>;
   59                                 #size-cells = <0>;
   60                                 compatible = "fsl,imx23-spi";
   61                                 pinctrl-names = "default";
   62                                 pinctrl-0 = <&spi2_pins_a>;
   63                                 status = "okay";
   64                         };
   65                 };
   66 
   67                 apbx@80040000 {
   68                         lradc@80050000 {
   69                                 status = "okay";
   70                         };
   71 
   72                         i2c: i2c@80058000 {
   73                                 pinctrl-names = "default";
   74                                 pinctrl-0 = <&i2c_pins_b>;
   75                                 status = "okay";
   76                         };
   77 
   78                         duart: serial@80070000 {
   79                                 pinctrl-names = "default";
   80                                 pinctrl-0 = <&duart_pins_a>;
   81                                 status = "okay";
   82                         };
   83 
   84                         auart0: serial@8006c000 {
   85                                 pinctrl-names = "default";
   86                                 pinctrl-0 = <&auart0_2pins_a>;
   87                                 status = "okay";
   88                         };
   89 
   90                         usbphy0: usbphy@8007c000 {
   91                                 status = "okay";
   92                         };
   93                 };
   94         };
   95 
   96         ahb@80080000 {
   97                 usb0: usb@80080000 {
   98                         dr_mode = "host";
   99                         vbus-supply = <&reg_usb0_vbus>;
  100                         status = "okay";
  101                 };
  102         };
  103 
  104         regulators {
  105                 compatible = "simple-bus";
  106                 #address-cells = <1>;
  107                 #size-cells = <0>;
  108 
  109                 reg_usb0_vbus: regulator@0 {
  110                         compatible = "regulator-fixed";
  111                         reg = <0>;
  112                         regulator-name = "usb0_vbus";
  113                         regulator-min-microvolt = <5000000>;
  114                         regulator-max-microvolt = <5000000>;
  115                         enable-active-high;
  116                         startup-delay-us = <300>; /* LAN9215 requires a POR of 200us minimum */
  117                         gpio = <&gpio0 17 0>;
  118                 };
  119         };
  120 
  121         leds {
  122                 compatible = "gpio-leds";
  123                 pinctrl-names = "default";
  124                 pinctrl-0 = <&led_pin_gpio2_1>;
  125 
  126                 user {
  127                         label = "green";
  128                         gpios = <&gpio2 1 GPIO_ACTIVE_HIGH>;
  129                 };
  130         };
  131 };

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