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

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Copyright (C) 2015-2017 I2SE GmbH <info@i2se.com>
   4  * Copyright (C) 2016 Michael Heimpold <mhei@heimpold.de>
   5  */
   6
   7 /dts-v1/;
   8 #include <dt-bindings/interrupt-controller/irq.h>
   9 #include <dt-bindings/gpio/gpio.h>
  10 #include "imx28.dtsi"
  11
  12 / {
  13         model = "I2SE Duckbill 2 485";
  14         compatible = "i2se,duckbill-2-485", "i2se,duckbill-2", "fsl,imx28";
  15
  16         memory@40000000 {
  17                 device_type = "memory";
  18                 reg = <0x40000000 0x08000000>;
  19         };
  20
  21         apb@80000000 {
  22                 apbh@80000000 {
  23                         ssp0: spi@80010000 {
  24                                 compatible = "fsl,imx28-mmc";
  25                                 pinctrl-names = "default";
  26                                 pinctrl-0 = <&mmc0_8bit_pins_a
  27                                         &mmc0_cd_cfg &mmc0_sck_cfg>;
  28                                 bus-width = <8>;
  29                                 vmmc-supply = <&reg_3p3v>;
  30                                 status = "okay";
  31                                 non-removable;
  32                         };
  33
  34                         ssp2: spi@80014000 {
  35                                 compatible = "fsl,imx28-mmc";
  36                                 pinctrl-names = "default";
  37                                 pinctrl-0 = <&mmc2_4bit_pins_b
  38                                         &mmc2_cd_cfg &mmc2_sck_cfg_b>;
  39                                 bus-width = <4>;
  40                                 vmmc-supply = <&reg_3p3v>;
  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_GPMI_ALE__GPIO_0_26    /* 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                                 mac0_phy_int_pin: mac0-phy-int@0 {
  69                                         reg = <0>;
  70                                         fsl,pinmux-ids = <
  71                                                 MX28_PAD_GPMI_D07__GPIO_0_7    /* PHY Interrupt */
  72                                         >;
  73                                         fsl,drive-strength = <MXS_DRIVE_4mA>;
  74                                         fsl,voltage = <MXS_VOLTAGE_HIGH>;
  75                                         fsl,pull-up = <MXS_PULL_DISABLE>;
  76                                 };
  77
  78                                 led_pins: leds@0 {
  79                                         reg = <0>;
  80                                         fsl,pinmux-ids = <
  81                                                 MX28_PAD_SAIF0_MCLK__GPIO_3_20
  82                                                 MX28_PAD_SAIF0_LRCLK__GPIO_3_21
  83                                                 MX28_PAD_I2C0_SCL__GPIO_3_24
  84                                                 MX28_PAD_I2C0_SDA__GPIO_3_25
  85                                         >;
  86                                         fsl,drive-strength = <MXS_DRIVE_4mA>;
  87                                         fsl,voltage = <MXS_VOLTAGE_HIGH>;
  88                                         fsl,pull-up = <MXS_PULL_DISABLE>;
  89                                 };
  90                         };
  91                 };
  92
  93                 apbx@80040000 {
  94                         lradc@80050000 {
  95                                 status = "okay";
  96                         };
  97
  98                         auart0: serial@8006a000 {
  99                                 pinctrl-names = "default";
 100                                 pinctrl-0 = <&auart0_2pins_a>;
 101                                 status = "okay";
 102                         };
 103
 104                         duart: serial@80074000 {
 105                                 pinctrl-names = "default";
 106                                 pinctrl-0 = <&duart_pins_a>;
 107                                 status = "okay";
 108                         };
 109
 110                         usbphy0: usbphy@8007c000 {
 111                                 status = "okay";
 112                         };
 113                 };
 114         };
 115
 116         ahb@80080000 {
 117                 usb0: usb@80080000 {
 118                         status = "okay";
 119                         dr_mode = "peripheral";
 120                 };
 121
 122                 mac0: ethernet@800f0000 {
 123                         phy-mode = "rmii";
 124                         pinctrl-names = "default";
 125                         pinctrl-0 = <&mac0_pins_a>, <&mac0_phy_reset_pin>;
 126                         phy-supply = <&reg_3p3v>;
 127                         phy-reset-gpios = <&gpio0 26 GPIO_ACTIVE_LOW>;
 128                         phy-reset-duration = <25>;
 129                         phy-handle = <&ethphy>;
 130                         status = "okay";
 131
 132                         mdio {
 133                                 #address-cells = <1>;
 134                                 #size-cells = <0>;
 135
 136                                 ethphy: ethernet-phy@0 {
 137                                         compatible = "ethernet-phy-ieee802.3-c22";
 138                                         reg = <0>;
 139                                         pinctrl-names = "default";
 140                                         pinctrl-0 = <&mac0_phy_int_pin>;
 141                                         interrupt-parent = <&gpio0>;
 142                                         interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
 143                                         max-speed = <100>;
 144                                 };
 145                         };
 146                 };
 147         };
 148
 149         reg_3p3v: regulator-3p3v {
 150                 compatible = "regulator-fixed";
 151                 regulator-name = "3P3V";
 152                 regulator-min-microvolt = <3300000>;
 153                 regulator-max-microvolt = <3300000>;
 154                 regulator-always-on;
 155         };
 156
 157         leds {
 158                 compatible = "gpio-leds";
 159                 pinctrl-names = "default";
 160                 pinctrl-0 = <&led_pins>;
 161
 162                 status-red {
 163                         label = "duckbill:red:status";
 164                         gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>;
 165                         linux,default-trigger = "default-on";
 166                 };
 167
 168                 status-green {
 169                         label = "duckbill:green:status";
 170                         gpios = <&gpio3 20 GPIO_ACTIVE_HIGH>;
 171                         linux,default-trigger = "heartbeat";
 172                 };
 173
 174                 rs485-red {
 175                         label = "duckbill:red:rs485";
 176                         gpios = <&gpio3 24 GPIO_ACTIVE_LOW>;
 177                 };
 178
 179                 rs485-green {
 180                         label = "duckbill:green:rs485";
 181                         gpios = <&gpio3 25 GPIO_ACTIVE_LOW>;
 182                 };
 183         };
 184 };