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

   1 /*
   2  * Copyright (C) 2013-2014,2016 Michael Heimpold <mhei@heimpold.de>
   3  * Copyright (C) 2015-2017 I2SE GmbH <info@i2se.com>
   4  *
   5  * The code contained herein is licensed under the GNU General Public
   6  * License. You may obtain a copy of the GNU General Public License
   7  * Version 2 or later at the following locations:
   8  *
   9  * http://www.opensource.org/licenses/gpl-license.html
  10  * http://www.gnu.org/copyleft/gpl.html
  11  */
  12
  13 /dts-v1/;
  14 #include <dt-bindings/gpio/gpio.h>
  15 #include "imx28.dtsi"
  16
  17 / {
  18         model = "I2SE Duckbill";
  19         compatible = "i2se,duckbill", "fsl,imx28";
  20
  21         memory@40000000 {
  22                 reg = <0x40000000 0x08000000>;
  23         };
  24
  25         apb@80000000 {
  26                 apbh@80000000 {
  27                         ssp0: ssp@80010000 {
  28                                 compatible = "fsl,imx28-mmc";
  29                                 pinctrl-names = "default";
  30                                 pinctrl-0 = <&mmc0_4bit_pins_a
  31                                         &mmc0_cd_cfg &mmc0_sck_cfg>;
  32                                 bus-width = <4>;
  33                                 vmmc-supply = <&reg_3p3v>;
  34                                 status = "okay";
  35                         };
  36
  37                         ssp2: ssp@80014000 {
  38                                 compatible = "fsl,imx28-spi";
  39                                 pinctrl-names = "default";
  40                                 pinctrl-0 = <&spi2_pins_a>;
  41                                 status = "okay";
  42                         };
  43
  44                         pinctrl@80018000 {
  45                                 pinctrl-names = "default";
  46                                 pinctrl-0 = <&hog_pins_a>;
  47
  48                                 hog_pins_a: hog@0 {
  49                                         reg = <0>;
  50                                         fsl,pinmux-ids = <
  51                                                 MX28_PAD_LCD_D17__GPIO_1_17    /* Revision detection */
  52                                         >;
  53                                         fsl,drive-strength = <MXS_DRIVE_4mA>;
  54                                         fsl,voltage = <MXS_VOLTAGE_HIGH>;
  55                                         fsl,pull-up = <MXS_PULL_DISABLE>;
  56                                 };
  57
  58                                 mac0_phy_reset_pin: mac0-phy-reset@0 {
  59                                         reg = <0>;
  60                                         fsl,pinmux-ids = <
  61                                                 MX28_PAD_SSP0_DATA7__GPIO_2_7    /* PHY Reset */
  62                                         >;
  63                                         fsl,drive-strength = <MXS_DRIVE_4mA>;
  64                                         fsl,voltage = <MXS_VOLTAGE_HIGH>;
  65                                         fsl,pull-up = <MXS_PULL_DISABLE>;
  66                                 };
  67
  68                                 led_pins: leds@0 {
  69                                         reg = <0>;
  70                                         fsl,pinmux-ids = <
  71                                                 MX28_PAD_AUART1_RX__GPIO_3_4
  72                                                 MX28_PAD_AUART1_TX__GPIO_3_5
  73                                         >;
  74                                         fsl,drive-strength = <MXS_DRIVE_4mA>;
  75                                         fsl,voltage = <MXS_VOLTAGE_HIGH>;
  76                                         fsl,pull-up = <MXS_PULL_DISABLE>;
  77                                 };
  78                         };
  79                 };
  80
  81                 apbx@80040000 {
  82                         lradc@80050000 {
  83                                 status = "okay";
  84                         };
  85
  86                         i2c0: i2c@80058000 {
  87                                 pinctrl-names = "default";
  88                                 pinctrl-0 = <&i2c0_pins_a>;
  89                                 status = "okay";
  90                         };
  91
  92                         auart0: serial@8006a000 {
  93                                 pinctrl-names = "default";
  94                                 pinctrl-0 = <&auart0_2pins_a>;
  95                                 status = "okay";
  96                         };
  97
  98                         duart: serial@80074000 {
  99                                 pinctrl-names = "default";
 100                                 pinctrl-0 = <&duart_pins_a>;
 101                                 status = "okay";
 102                         };
 103
 104                         usbphy0: usbphy@8007c000 {
 105                                 status = "okay";
 106                         };
 107                 };
 108         };
 109
 110         ahb@80080000 {
 111                 usb0: usb@80080000 {
 112                         status = "okay";
 113                         dr_mode = "peripheral";
 114                 };
 115
 116                 mac0: ethernet@800f0000 {
 117                         phy-mode = "rmii";
 118                         pinctrl-names = "default";
 119                         pinctrl-0 = <&mac0_pins_a>, <&mac0_phy_reset_pin>;
 120                         phy-supply = <&reg_3p3v>;
 121                         phy-reset-gpios = <&gpio2 7 GPIO_ACTIVE_LOW>;
 122                         phy-reset-duration = <25>;
 123                         status = "okay";
 124                 };
 125         };
 126
 127         reg_3p3v: regulator-3p3v {
 128                 compatible = "regulator-fixed";
 129                 regulator-name = "3P3V";
 130                 regulator-min-microvolt = <3300000>;
 131                 regulator-max-microvolt = <3300000>;
 132                 regulator-always-on;
 133         };
 134
 135         leds {
 136                 compatible = "gpio-leds";
 137                 pinctrl-names = "default";
 138                 pinctrl-0 = <&led_pins>;
 139
 140                 status-red {
 141                         label = "duckbill:red:status";
 142                         gpios = <&gpio3 4 GPIO_ACTIVE_HIGH>;
 143                         linux,default-trigger = "default-on";
 144                 };
 145
 146                 status-green {
 147                         label = "duckbill:green:status";
 148                         gpios = <&gpio3 5 GPIO_ACTIVE_HIGH>;
 149                         linux,default-trigger = "heartbeat";
 150                 };
 151         };
 152 };