arch/arm/boot/dts/sun7i-a20-pcduino3-nano.dts

   1 /*
   2  * Copyright 2015 Adam Sampson <ats@offog.org>
   3  *
   4  * This file is dual-licensed: you can use it either under the terms
   5  * of the GPL or the X11 license, at your option. Note that this dual
   6  * licensing only applies to this file, and not this project as a
   7  * whole.
   8  *
   9  *  a) This file is free software; you can redistribute it and/or
  10  *     modify it under the terms of the GNU General Public License as
  11  *     published by the Free Software Foundation; either version 2 of the
  12  *     License, or (at your option) any later version.
  13  *
  14  *     This file is distributed in the hope that it will be useful,
  15  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *     GNU General Public License for more details.
  18  *
  19  * Or, alternatively,
  20  *
  21  *  b) Permission is hereby granted, free of charge, to any person
  22  *     obtaining a copy of this software and associated documentation
  23  *     files (the "Software"), to deal in the Software without
  24  *     restriction, including without limitation the rights to use,
  25  *     copy, modify, merge, publish, distribute, sublicense, and/or
  26  *     sell copies of the Software, and to permit persons to whom the
  27  *     Software is furnished to do so, subject to the following
  28  *     conditions:
  29  *
  30  *     The above copyright notice and this permission notice shall be
  31  *     included in all copies or substantial portions of the Software.
  32  *
  33  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  34  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  35  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  36  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  37  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  38  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  39  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  40  *     OTHER DEALINGS IN THE SOFTWARE.
  41  */
  42
  43 /dts-v1/;
  44 #include "sun7i-a20.dtsi"
  45 #include "sunxi-common-regulators.dtsi"
  46 #include <dt-bindings/gpio/gpio.h>
  47 #include <dt-bindings/interrupt-controller/arm-gic.h>
  48
  49 / {
  50         model = "LinkSprite pcDuino3 Nano";
  51         compatible = "linksprite,pcduino3-nano", "allwinner,sun7i-a20";
  52
  53         aliases {
  54                 serial0 = &uart0;
  55         };
  56
  57         chosen {
  58                 stdout-path = "serial0:115200n8";
  59         };
  60
  61         leds {
  62                 compatible = "gpio-leds";
  63                 pinctrl-names = "default";
  64                 pinctrl-0 = <&led_pins_pcduino3_nano>;
  65
  66                 /* Marked "LED3" on the PCB. */
  67                 usr1 {
  68                         label = "pcduino3-nano:green:usr1";
  69                         gpios = <&pio 7 16 GPIO_ACTIVE_LOW>; /* PH16 */
  70                 };
  71
  72                 /* Marked "LED4" on the PCB. */
  73                 usr2 {
  74                         label = "pcduino3-nano:green:usr2";
  75                         gpios = <&pio 7 15 GPIO_ACTIVE_LOW>; /* PH15 */
  76                 };
  77         };
  78 };
  79
  80 &ahci {
  81         target-supply = <&reg_ahci_5v>;
  82         status = "okay";
  83 };
  84
  85 &cpu0 {
  86         cpu-supply = <&reg_dcdc2>;
  87 };
  88
  89 &ehci0 {
  90         status = "okay";
  91 };
  92
  93 &ehci1 {
  94         status = "okay";
  95 };
  96
  97 &gmac {
  98         pinctrl-names = "default";
  99         pinctrl-0 = <&gmac_pins_rgmii_a>;
 100         phy = <&phy1>;
 101         phy-mode = "rgmii";
 102         status = "okay";
 103
 104         phy1: ethernet-phy@1 {
 105                 reg = <1>;
 106         };
 107 };
 108
 109 &i2c0 {
 110         pinctrl-names = "default";
 111         pinctrl-0 = <&i2c0_pins_a>;
 112         status = "okay";
 113
 114         axp209: pmic@34 {
 115                 reg = <0x34>;
 116                 interrupt-parent = <&nmi_intc>;
 117                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 118         };
 119 };
 120
 121 &ir0 {
 122         pinctrl-names = "default";
 123         pinctrl-0 = <&ir0_rx_pins_a>;
 124         status = "okay";
 125 };
 126
 127 &mmc0 {
 128         pinctrl-names = "default";
 129         pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
 130         vmmc-supply = <&reg_vcc3v3>;
 131         bus-width = <4>;
 132         cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */
 133         cd-inverted;
 134         status = "okay";
 135 };
 136
 137 &ohci0 {
 138         status = "okay";
 139 };
 140
 141 &ohci1 {
 142         status = "okay";
 143 };
 144
 145 &otg_sram {
 146         status = "okay";
 147 };
 148
 149 &pio {
 150         ahci_pwr_pin_pcduino3_nano: ahci_pwr_pin@0 {
 151                 allwinner,pins = "PH2";
 152                 allwinner,function = "gpio_out";
 153                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 154                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 155         };
 156
 157         led_pins_pcduino3_nano: led_pins@0 {
 158                 allwinner,pins = "PH16", "PH15";
 159                 allwinner,function = "gpio_out";
 160                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 161                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 162         };
 163
 164         usb0_id_detect_pin: usb0_id_detect_pin@0 {
 165                 allwinner,pins = "PH4";
 166                 allwinner,function = "gpio_in";
 167                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 168                 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
 169         };
 170
 171         usb1_vbus_pin_pcduino3_nano: usb1_vbus_pin@0 {
 172                 allwinner,pins = "PD2";
 173                 allwinner,function = "gpio_out";
 174                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 175                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 176         };
 177 };
 178
 179 &reg_ahci_5v {
 180         pinctrl-0 = <&ahci_pwr_pin_pcduino3_nano>;
 181         gpio = <&pio 7 2 GPIO_ACTIVE_HIGH>; /* PH2 */
 182         status = "okay";
 183 };
 184
 185 #include "axp209.dtsi"
 186
 187 &reg_dcdc2 {
 188         regulator-always-on;
 189         regulator-min-microvolt = <1000000>;
 190         regulator-max-microvolt = <1400000>;
 191         regulator-name = "vdd-cpu";
 192 };
 193
 194 &reg_dcdc3 {
 195         regulator-always-on;
 196         regulator-min-microvolt = <1000000>;
 197         regulator-max-microvolt = <1400000>;
 198         regulator-name = "vdd-int-pll";
 199 };
 200
 201 &reg_ldo1 {
 202         regulator-name = "vdd-rtc";
 203 };
 204
 205 &reg_ldo2 {
 206         regulator-always-on;
 207         regulator-min-microvolt = <3000000>;
 208         regulator-max-microvolt = <3000000>;
 209         regulator-name = "avcc";
 210 };
 211
 212 /* A single regulator (U24) powers both USB host ports. */
 213 &reg_usb1_vbus {
 214         pinctrl-0 = <&usb1_vbus_pin_pcduino3_nano>;
 215         gpio = <&pio 3 2 GPIO_ACTIVE_HIGH>; /* PD2 */
 216         status = "okay";
 217 };
 218
 219 &uart0 {
 220         pinctrl-names = "default";
 221         pinctrl-0 = <&uart0_pins_a>;
 222         status = "okay";
 223 };
 224
 225 &usb_otg {
 226         dr_mode = "otg";
 227         status = "okay";
 228 };
 229
 230 &usbphy {
 231         pinctrl-names = "default";
 232         pinctrl-0 = <&usb0_id_detect_pin>;
 233         usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
 234         usb1_vbus-supply = <&reg_usb1_vbus>;
 235         usb2_vbus-supply = <&reg_usb1_vbus>;
 236         status = "okay";
 237 };