arch/arm/boot/dts/imx28-duckbill.dts

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Copyright (C) 2013-2014,2016 Michael Heimpold <mhei@heimpold.de>
   4  * Copyright (C) 2015-2017 I2SE GmbH <info@i2se.com>
   5  */
   6
   7 /dts-v1/;
   8 #include <dt-bindings/gpio/gpio.h>
   9 #include "imx28.dtsi"
  10
  11 / {
  12         model = "I2SE Duckbill";
  13         compatible = "i2se,duckbill", "fsl,imx28";
  14
  15         memory@40000000 {
  16                 device_type = "memory";
  17                 reg = <0x40000000 0x08000000>;
  18         };
  19
  20         apb@80000000 {
  21                 apbh@80000000 {
  22                         ssp0: spi@80010000 {
  23                                 compatible = "fsl,imx28-mmc";
  24                                 pinctrl-names = "default";
  25                                 pinctrl-0 = <&mmc0_4bit_pins_a
  26                                         &mmc0_cd_cfg &mmc0_sck_cfg>;
  27                                 bus-width = <4>;
  28                                 vmmc-supply = <&reg_3p3v>;
  29                                 status = "okay";
  30                         };
  31
  32                         ssp2: spi@80014000 {
  33                                 compatible = "fsl,imx28-spi";
  34                                 pinctrl-names = "default";
  35                                 pinctrl-0 = <&spi2_pins_a>;
  36                                 status = "okay";
  37                         };
  38
  39                         pinctrl@80018000 {
  40                                 pinctrl-names = "default";
  41                                 pinctrl-0 = <&hog_pins_a>;
  42
  43                                 hog_pins_a: hog@0 {
  44                                         reg = <0>;
  45                                         fsl,pinmux-ids = <
  46                                                 MX28_PAD_LCD_D17__GPIO_1_17    /* Revision detection */
  47                                         >;
  48                                         fsl,drive-strength = <MXS_DRIVE_4mA>;
  49                                         fsl,voltage = <MXS_VOLTAGE_HIGH>;
  50                                         fsl,pull-up = <MXS_PULL_DISABLE>;
  51                                 };
  52
  53                                 mac0_phy_reset_pin: mac0-phy-reset@0 {
  54                                         reg = <0>;
  55                                         fsl,pinmux-ids = <
  56                                                 MX28_PAD_SSP0_DATA7__GPIO_2_7    /* PHY Reset */
  57                                         >;
  58                                         fsl,drive-strength = <MXS_DRIVE_4mA>;
  59                                         fsl,voltage = <MXS_VOLTAGE_HIGH>;
  60                                         fsl,pull-up = <MXS_PULL_DISABLE>;
  61                                 };
  62
  63                                 led_pins: leds@0 {
  64                                         reg = <0>;
  65                                         fsl,pinmux-ids = <
  66                                                 MX28_PAD_AUART1_RX__GPIO_3_4
  67                                                 MX28_PAD_AUART1_TX__GPIO_3_5
  68                                         >;
  69                                         fsl,drive-strength = <MXS_DRIVE_4mA>;
  70                                         fsl,voltage = <MXS_VOLTAGE_HIGH>;
  71                                         fsl,pull-up = <MXS_PULL_DISABLE>;
  72                                 };
  73                         };
  74                 };
  75
  76                 apbx@80040000 {
  77                         lradc@80050000 {
  78                                 status = "okay";
  79                         };
  80
  81                         i2c0: i2c@80058000 {
  82                                 pinctrl-names = "default";
  83                                 pinctrl-0 = <&i2c0_pins_a>;
  84                                 status = "okay";
  85                         };
  86
  87                         auart0: serial@8006a000 {
  88                                 pinctrl-names = "default";
  89                                 pinctrl-0 = <&auart0_2pins_a>;
  90                                 status = "okay";
  91                         };
  92
  93                         duart: serial@80074000 {
  94                                 pinctrl-names = "default";
  95                                 pinctrl-0 = <&duart_pins_a>;
  96                                 status = "okay";
  97                         };
  98
  99                         usbphy0: usbphy@8007c000 {
 100                                 status = "okay";
 101                         };
 102                 };
 103         };
 104
 105         ahb@80080000 {
 106                 usb0: usb@80080000 {
 107                         status = "okay";
 108                         dr_mode = "peripheral";
 109                 };
 110
 111                 mac0: ethernet@800f0000 {
 112                         phy-mode = "rmii";
 113                         pinctrl-names = "default";
 114                         pinctrl-0 = <&mac0_pins_a>, <&mac0_phy_reset_pin>;
 115                         phy-supply = <&reg_3p3v>;
 116                         phy-reset-gpios = <&gpio2 7 GPIO_ACTIVE_LOW>;
 117                         phy-reset-duration = <25>;
 118                         status = "okay";
 119                 };
 120         };
 121
 122         reg_3p3v: regulator-3p3v {
 123                 compatible = "regulator-fixed";
 124                 regulator-name = "3P3V";
 125                 regulator-min-microvolt = <3300000>;
 126                 regulator-max-microvolt = <3300000>;
 127                 regulator-always-on;
 128         };
 129
 130         leds {
 131                 compatible = "gpio-leds";
 132                 pinctrl-names = "default";
 133                 pinctrl-0 = <&led_pins>;
 134
 135                 status-red {
 136                         label = "duckbill:red:status";
 137                         gpios = <&gpio3 4 GPIO_ACTIVE_HIGH>;
 138                         linux,default-trigger = "default-on";
 139                 };
 140
 141                 status-green {
 142                         label = "duckbill:green:status";
 143                         gpios = <&gpio3 5 GPIO_ACTIVE_HIGH>;
 144                         linux,default-trigger = "heartbeat";
 145                 };
 146         };
 147 };