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                 device_type = "memory";
  24                 reg = <0x40000000 0x08000000>;
  25         };
  26
  27         apb@80000000 {
  28                 apbh@80000000 {
  29                         ssp0: spi@80010000 {
  30                                 compatible = "fsl,imx28-mmc";
  31                                 pinctrl-names = "default";
  32                                 pinctrl-0 = <&mmc0_8bit_pins_a
  33                                         &mmc0_cd_cfg &mmc0_sck_cfg>;
  34                                 bus-width = <8>;
  35                                 vmmc-supply = <&reg_3p3v>;
  36                                 status = "okay";
  37                                 non-removable;
  38                         };
  39
  40                         ssp2: spi@80014000 {
  41                                 compatible = "fsl,imx28-mmc";
  42                                 pinctrl-names = "default";
  43                                 pinctrl-0 = <&mmc2_4bit_pins_b
  44                                         &mmc2_cd_cfg &mmc2_sck_cfg_b>;
  45                                 bus-width = <4>;
  46                                 vmmc-supply = <&reg_3p3v>;
  47                                 status = "okay";
  48                         };
  49
  50                         pinctrl@80018000 {
  51                                 pinctrl-names = "default";
  52                                 pinctrl-0 = <&hog_pins_a>;
  53
  54                                 hog_pins_a: hog@0 {
  55                                         reg = <0>;
  56                                         fsl,pinmux-ids = <
  57                                                 MX28_PAD_LCD_D17__GPIO_1_17    /* Revision detection */
  58                                         >;
  59                                         fsl,drive-strength = <MXS_DRIVE_4mA>;
  60                                         fsl,voltage = <MXS_VOLTAGE_HIGH>;
  61                                         fsl,pull-up = <MXS_PULL_DISABLE>;
  62                                 };
  63
  64                                 mac0_phy_reset_pin: mac0-phy-reset@0 {
  65                                         reg = <0>;
  66                                         fsl,pinmux-ids = <
  67                                                 MX28_PAD_GPMI_ALE__GPIO_0_26    /* PHY Reset */
  68                                         >;
  69                                         fsl,drive-strength = <MXS_DRIVE_4mA>;
  70                                         fsl,voltage = <MXS_VOLTAGE_HIGH>;
  71                                         fsl,pull-up = <MXS_PULL_DISABLE>;
  72                                 };
  73
  74                                 mac0_phy_int_pin: mac0-phy-int@0 {
  75                                         reg = <0>;
  76                                         fsl,pinmux-ids = <
  77                                                 MX28_PAD_GPMI_D07__GPIO_0_7    /* PHY Interrupt */
  78                                         >;
  79                                         fsl,drive-strength = <MXS_DRIVE_4mA>;
  80                                         fsl,voltage = <MXS_VOLTAGE_HIGH>;
  81                                         fsl,pull-up = <MXS_PULL_DISABLE>;
  82                                 };
  83
  84                                 led_pins: leds@0 {
  85                                         reg = <0>;
  86                                         fsl,pinmux-ids = <
  87                                                 MX28_PAD_SAIF0_MCLK__GPIO_3_20
  88                                                 MX28_PAD_SAIF0_LRCLK__GPIO_3_21
  89                                                 MX28_PAD_I2C0_SCL__GPIO_3_24
  90                                                 MX28_PAD_I2C0_SDA__GPIO_3_25
  91                                         >;
  92                                         fsl,drive-strength = <MXS_DRIVE_4mA>;
  93                                         fsl,voltage = <MXS_VOLTAGE_HIGH>;
  94                                         fsl,pull-up = <MXS_PULL_DISABLE>;
  95                                 };
  96                         };
  97                 };
  98
  99                 apbx@80040000 {
 100                         lradc@80050000 {
 101                                 status = "okay";
 102                         };
 103
 104                         auart0: serial@8006a000 {
 105                                 pinctrl-names = "default";
 106                                 pinctrl-0 = <&auart0_2pins_a>;
 107                                 status = "okay";
 108                         };
 109
 110                         duart: serial@80074000 {
 111                                 pinctrl-names = "default";
 112                                 pinctrl-0 = <&duart_pins_a>;
 113                                 status = "okay";
 114                         };
 115
 116                         usbphy0: usbphy@8007c000 {
 117                                 status = "okay";
 118                         };
 119                 };
 120         };
 121
 122         ahb@80080000 {
 123                 usb0: usb@80080000 {
 124                         status = "okay";
 125                         dr_mode = "peripheral";
 126                 };
 127
 128                 mac0: ethernet@800f0000 {
 129                         phy-mode = "rmii";
 130                         pinctrl-names = "default";
 131                         pinctrl-0 = <&mac0_pins_a>, <&mac0_phy_reset_pin>;
 132                         phy-supply = <&reg_3p3v>;
 133                         phy-reset-gpios = <&gpio0 26 GPIO_ACTIVE_LOW>;
 134                         phy-reset-duration = <25>;
 135                         phy-handle = <&ethphy>;
 136                         status = "okay";
 137
 138                         mdio {
 139                                 #address-cells = <1>;
 140                                 #size-cells = <0>;
 141
 142                                 ethphy: ethernet-phy@0 {
 143                                         compatible = "ethernet-phy-ieee802.3-c22";
 144                                         reg = <0>;
 145                                         pinctrl-names = "default";
 146                                         pinctrl-0 = <&mac0_phy_int_pin>;
 147                                         interrupt-parent = <&gpio0>;
 148                                         interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
 149                                         max-speed = <100>;
 150                                 };
 151                         };
 152                 };
 153         };
 154
 155         reg_3p3v: regulator-3p3v {
 156                 compatible = "regulator-fixed";
 157                 regulator-name = "3P3V";
 158                 regulator-min-microvolt = <3300000>;
 159                 regulator-max-microvolt = <3300000>;
 160                 regulator-always-on;
 161         };
 162
 163         leds {
 164                 compatible = "gpio-leds";
 165                 pinctrl-names = "default";
 166                 pinctrl-0 = <&led_pins>;
 167
 168                 status-red {
 169                         label = "duckbill:red:status";
 170                         gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>;
 171                         linux,default-trigger = "default-on";
 172                 };
 173
 174                 status-green {
 175                         label = "duckbill:green:status";
 176                         gpios = <&gpio3 20 GPIO_ACTIVE_HIGH>;
 177                         linux,default-trigger = "heartbeat";
 178                 };
 179
 180                 rs485-red {
 181                         label = "duckbill:red:rs485";
 182                         gpios = <&gpio3 24 GPIO_ACTIVE_LOW>;
 183                 };
 184
 185                 rs485-green {
 186                         label = "duckbill:green:rs485";
 187                         gpios = <&gpio3 25 GPIO_ACTIVE_LOW>;
 188                 };
 189         };
 190 };