arch/arm/boot/dts/sun4i-a10-pcduino.dts

   1 /*
   2  * Copyright 2014 Zoltan HERPAI
   3  * Zoltan HERPAI <wigyori@uid0.hu>
   4  *
   5  * This file is dual-licensed: you can use it either under the terms
   6  * of the GPL or the X11 license, at your option. Note that this dual
   7  * licensing only applies to this file, and not this project as a
   8  * whole.
   9  *
  10  *  a) This file is free software; you can redistribute it and/or
  11  *     modify it under the terms of the GNU General Public License as
  12  *     published by the Free Software Foundation; either version 2 of the
  13  *     License, or (at your option) any later version.
  14  *
  15  *     This file is distributed in the hope that it will be useful,
  16  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  *     GNU General Public License for more details.
  19  *
  20  * Or, alternatively,
  21  *
  22  *  b) Permission is hereby granted, free of charge, to any person
  23  *     obtaining a copy of this software and associated documentation
  24  *     files (the "Software"), to deal in the Software without
  25  *     restriction, including without limitation the rights to use,
  26  *     copy, modify, merge, publish, distribute, sublicense, and/or
  27  *     sell copies of the Software, and to permit persons to whom the
  28  *     Software is furnished to do so, subject to the following
  29  *     conditions:
  30  *
  31  *     The above copyright notice and this permission notice shall be
  32  *     included in all copies or substantial portions of the Software.
  33  *
  34  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  35  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  36  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  37  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  38  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  39  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  40  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  41  *     OTHER DEALINGS IN THE SOFTWARE.
  42  */
  43
  44 /dts-v1/;
  45 #include "sun4i-a10.dtsi"
  46 #include "sunxi-common-regulators.dtsi"
  47
  48 #include <dt-bindings/gpio/gpio.h>
  49 #include <dt-bindings/input/input.h>
  50 #include <dt-bindings/pinctrl/sun4i-a10.h>
  51
  52 / {
  53         model = "LinkSprite pcDuino";
  54         compatible = "linksprite,a10-pcduino", "allwinner,sun4i-a10";
  55
  56         aliases {
  57                 serial0 = &uart0;
  58         };
  59
  60         chosen {
  61                 stdout-path = "serial0:115200n8";
  62         };
  63
  64         leds {
  65                 compatible = "gpio-leds";
  66                 pinctrl-names = "default";
  67                 pinctrl-0 = <&led_pins_pcduino>;
  68
  69                 tx {
  70                         label = "pcduino:green:tx";
  71                         gpios = <&pio 7 15 GPIO_ACTIVE_LOW>;
  72                 };
  73
  74                 rx {
  75                         label = "pcduino:green:rx";
  76                         gpios = <&pio 7 16 GPIO_ACTIVE_LOW>;
  77                 };
  78         };
  79
  80         gpio_keys {
  81                 compatible = "gpio-keys";
  82                 pinctrl-names = "default";
  83                 pinctrl-0 = <&key_pins_pcduino>;
  84                 #address-cells = <1>;
  85                 #size-cells = <0>;
  86
  87                 button@0 {
  88                         label = "Key Back";
  89                         linux,code = <KEY_BACK>;
  90                         gpios = <&pio 7 17 GPIO_ACTIVE_LOW>;
  91                 };
  92
  93                 button@1 {
  94                         label = "Key Home";
  95                         linux,code = <KEY_HOME>;
  96                         gpios = <&pio 7 18 GPIO_ACTIVE_LOW>;
  97                 };
  98
  99                 button@2 {
 100                         label = "Key Menu";
 101                         linux,code = <KEY_MENU>;
 102                         gpios = <&pio 7 19 GPIO_ACTIVE_LOW>;
 103                 };
 104         };
 105 };
 106
 107 &cpu0 {
 108         cpu-supply = <&reg_dcdc2>;
 109 };
 110
 111 &ehci0 {
 112         status = "okay";
 113 };
 114
 115 &ehci1 {
 116         status = "okay";
 117 };
 118
 119 &emac {
 120         pinctrl-names = "default";
 121         pinctrl-0 = <&emac_pins_a>;
 122         phy = <&phy1>;
 123         status = "okay";
 124 };
 125
 126 &emac_sram {
 127         status = "okay";
 128 };
 129
 130 &i2c0 {
 131         pinctrl-names = "default";
 132         pinctrl-0 = <&i2c0_pins_a>;
 133         status = "okay";
 134
 135         axp209: pmic@34 {
 136                 reg = <0x34>;
 137                 interrupts = <0>;
 138         };
 139 };
 140
 141 &mdio {
 142         status = "okay";
 143
 144         phy1: ethernet-phy@1 {
 145                 reg = <1>;
 146         };
 147 };
 148
 149 &mmc0 {
 150         pinctrl-names = "default";
 151         pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
 152         vmmc-supply = <&reg_vcc3v3>;
 153         bus-width = <4>;
 154         cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */
 155         cd-inverted;
 156         status = "okay";
 157 };
 158
 159 &ohci0 {
 160         status = "okay";
 161 };
 162
 163 &ohci1 {
 164         status = "okay";
 165 };
 166
 167 &otg_sram {
 168         status = "okay";
 169 };
 170
 171 &pio {
 172         led_pins_pcduino: led_pins@0 {
 173                 pins = "PH15", "PH16";
 174                 function = "gpio_out";
 175         };
 176
 177         key_pins_pcduino: key_pins@0 {
 178                 pins = "PH17", "PH18", "PH19";
 179                 function = "gpio_in";
 180         };
 181
 182         usb0_id_detect_pin: usb0_id_detect_pin@0 {
 183                 pins = "PH4";
 184                 function = "gpio_in";
 185                 bias-pull-up;
 186         };
 187 };
 188
 189 #include "axp209.dtsi"
 190
 191 &reg_dcdc2 {
 192         regulator-always-on;
 193         regulator-min-microvolt = <1000000>;
 194         regulator-max-microvolt = <1400000>;
 195         regulator-name = "vdd-cpu";
 196 };
 197
 198 &reg_dcdc3 {
 199         regulator-always-on;
 200         regulator-min-microvolt = <1000000>;
 201         regulator-max-microvolt = <1400000>;
 202         regulator-name = "vdd-int-dll";
 203 };
 204
 205 &reg_ldo1 {
 206         regulator-name = "vdd-rtc";
 207 };
 208
 209 &reg_ldo2 {
 210         regulator-always-on;
 211         regulator-min-microvolt = <3000000>;
 212         regulator-max-microvolt = <3000000>;
 213         regulator-name = "avcc";
 214 };
 215
 216 &uart0 {
 217         pinctrl-names = "default";
 218         pinctrl-0 = <&uart0_pins_a>;
 219         status = "okay";
 220 };
 221
 222 &usb_otg {
 223         dr_mode = "otg";
 224         status = "okay";
 225 };
 226
 227 &usbphy {
 228         pinctrl-names = "default";
 229         pinctrl-0 = <&usb0_id_detect_pin>;
 230         usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
 231         usb1_vbus-supply = <&reg_vcc5v0>; /* USB1 VBUS is always on */
 232         usb2_vbus-supply = <&reg_vcc5v0>; /* USB2 VBUS is always on */
 233         status = "okay";
 234 };