arch/arm/boot/dts/imx28-duckbill-2-485.dts

   1 /*
   2  * Copyright (C) 2015-2017 I2SE GmbH <info@i2se.com>
   3  * Copyright (C) 2016 Michael Heimpold <mhei@heimpold.de>
   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/interrupt-controller/irq.h>
  15 #include <dt-bindings/gpio/gpio.h>
  16 #include "imx28.dtsi"
  17
  18 / {
  19         model = "I2SE Duckbill 2 485";
  20         compatible = "i2se,duckbill-2-485", "i2se,duckbill-2", "fsl,imx28";
  21
  22         memory@40000000 {
  23                 reg = <0x40000000 0x08000000>;
  24         };
  25
  26         apb@80000000 {
  27                 apbh@80000000 {
  28                         ssp0: spi@80010000 {
  29                                 compatible = "fsl,imx28-mmc";
  30                                 pinctrl-names = "default";
  31                                 pinctrl-0 = <&mmc0_8bit_pins_a
  32                                         &mmc0_cd_cfg &mmc0_sck_cfg>;
  33                                 bus-width = <8>;
  34                                 vmmc-supply = <&reg_3p3v>;
  35                                 status = "okay";
  36                                 non-removable;
  37                         };
  38
  39                         ssp2: spi@80014000 {
  40                                 compatible = "fsl,imx28-mmc";
  41                                 pinctrl-names = "default";
  42                                 pinctrl-0 = <&mmc2_4bit_pins_b
  43                                         &mmc2_cd_cfg &mmc2_sck_cfg_b>;
  44                                 bus-width = <4>;
  45                                 vmmc-supply = <&reg_3p3v>;
  46                                 status = "okay";
  47                         };
  48
  49                         pinctrl@80018000 {
  50                                 pinctrl-names = "default";
  51                                 pinctrl-0 = <&hog_pins_a>;
  52
  53                                 hog_pins_a: hog@0 {
  54                                         reg = <0>;
  55                                         fsl,pinmux-ids = <
  56                                                 MX28_PAD_LCD_D17__GPIO_1_17    /* Revision detection */
  57                                         >;
  58                                         fsl,drive-strength = <MXS_DRIVE_4mA>;
  59                                         fsl,voltage = <MXS_VOLTAGE_HIGH>;
  60                                         fsl,pull-up = <MXS_PULL_DISABLE>;
  61                                 };
  62
  63                                 mac0_phy_reset_pin: mac0-phy-reset@0 {
  64                                         reg = <0>;
  65                                         fsl,pinmux-ids = <
  66                                                 MX28_PAD_GPMI_ALE__GPIO_0_26    /* PHY Reset */
  67                                         >;
  68                                         fsl,drive-strength = <MXS_DRIVE_4mA>;
  69                                         fsl,voltage = <MXS_VOLTAGE_HIGH>;
  70                                         fsl,pull-up = <MXS_PULL_DISABLE>;
  71                                 };
  72
  73                                 mac0_phy_int_pin: mac0-phy-int@0 {
  74                                         reg = <0>;
  75                                         fsl,pinmux-ids = <
  76                                                 MX28_PAD_GPMI_D07__GPIO_0_7    /* PHY Interrupt */
  77                                         >;
  78                                         fsl,drive-strength = <MXS_DRIVE_4mA>;
  79                                         fsl,voltage = <MXS_VOLTAGE_HIGH>;
  80                                         fsl,pull-up = <MXS_PULL_DISABLE>;
  81                                 };
  82
  83                                 led_pins: leds@0 {
  84                                         reg = <0>;
  85                                         fsl,pinmux-ids = <
  86                                                 MX28_PAD_SAIF0_MCLK__GPIO_3_20
  87                                                 MX28_PAD_SAIF0_LRCLK__GPIO_3_21
  88                                                 MX28_PAD_I2C0_SCL__GPIO_3_24
  89                                                 MX28_PAD_I2C0_SDA__GPIO_3_25
  90                                         >;
  91                                         fsl,drive-strength = <MXS_DRIVE_4mA>;
  92                                         fsl,voltage = <MXS_VOLTAGE_HIGH>;
  93                                         fsl,pull-up = <MXS_PULL_DISABLE>;
  94                                 };
  95                         };
  96                 };
  97
  98                 apbx@80040000 {
  99                         lradc@80050000 {
 100                                 status = "okay";
 101                         };
 102
 103                         auart0: serial@8006a000 {
 104                                 pinctrl-names = "default";
 105                                 pinctrl-0 = <&auart0_2pins_a>;
 106                                 status = "okay";
 107                         };
 108
 109                         duart: serial@80074000 {
 110                                 pinctrl-names = "default";
 111                                 pinctrl-0 = <&duart_pins_a>;
 112                                 status = "okay";
 113                         };
 114
 115                         usbphy0: usbphy@8007c000 {
 116                                 status = "okay";
 117                         };
 118                 };
 119         };
 120
 121         ahb@80080000 {
 122                 usb0: usb@80080000 {
 123                         status = "okay";
 124                         dr_mode = "peripheral";
 125                 };
 126
 127                 mac0: ethernet@800f0000 {
 128                         phy-mode = "rmii";
 129                         pinctrl-names = "default";
 130                         pinctrl-0 = <&mac0_pins_a>, <&mac0_phy_reset_pin>;
 131                         phy-supply = <&reg_3p3v>;
 132                         phy-reset-gpios = <&gpio0 26 GPIO_ACTIVE_LOW>;
 133                         phy-reset-duration = <25>;
 134                         phy-handle = <&ethphy>;
 135                         status = "okay";
 136
 137                         mdio {
 138                                 #address-cells = <1>;
 139                                 #size-cells = <0>;
 140
 141                                 ethphy: ethernet-phy@0 {
 142                                         compatible = "ethernet-phy-ieee802.3-c22";
 143                                         reg = <0>;
 144                                         pinctrl-names = "default";
 145                                         pinctrl-0 = <&mac0_phy_int_pin>;
 146                                         interrupt-parent = <&gpio0>;
 147                                         interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
 148                                         max-speed = <100>;
 149                                 };
 150                         };
 151                 };
 152         };
 153
 154         reg_3p3v: regulator-3p3v {
 155                 compatible = "regulator-fixed";
 156                 regulator-name = "3P3V";
 157                 regulator-min-microvolt = <3300000>;
 158                 regulator-max-microvolt = <3300000>;
 159                 regulator-always-on;
 160         };
 161
 162         leds {
 163                 compatible = "gpio-leds";
 164                 pinctrl-names = "default";
 165                 pinctrl-0 = <&led_pins>;
 166
 167                 status-red {
 168                         label = "duckbill:red:status";
 169                         gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>;
 170                         linux,default-trigger = "default-on";
 171                 };
 172
 173                 status-green {
 174                         label = "duckbill:green:status";
 175                         gpios = <&gpio3 20 GPIO_ACTIVE_HIGH>;
 176                         linux,default-trigger = "heartbeat";
 177                 };
 178
 179                 rs485-red {
 180                         label = "duckbill:red:rs485";
 181                         gpios = <&gpio3 24 GPIO_ACTIVE_LOW>;
 182                 };
 183
 184                 rs485-green {
 185                         label = "duckbill:green:rs485";
 186                         gpios = <&gpio3 25 GPIO_ACTIVE_LOW>;
 187                 };
 188         };
 189 };