arch/arm/boot/dts/sun8i-r16-parrot.dts

   1 /*
   2  * Copyright 2016 Quentin Schulz
   3  *
   4  * Quentin Schulz <quentin.schulz@free-electrons.com>
   5  *
   6  * This file is dual-licensed: you can use it either under the terms
   7  * of the GPL or the X11 license, at your option. Note that this dual
   8  * licensing only applies to this file, and not this project as a
   9  * whole.
  10  *
  11  *  a) This file is free software; you can redistribute it and/or
  12  *     modify it under the terms of the GNU General Public License as
  13  *     published by the Free Software Foundation; either version 2 of the
  14  *     License, or (at your option) any later version.
  15  *
  16  *     This file is distributed in the hope that it will be useful,
  17  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  *     GNU General Public License for more details.
  20  *
  21  * Or, alternatively,
  22  *
  23  *  b) Permission is hereby granted, free of charge, to any person
  24  *     obtaining a copy of this software and associated documentation
  25  *     files (the "Software"), to deal in the Software without
  26  *     restriction, including without limitation the rights to use,
  27  *     copy, modify, merge, publish, distribute, sublicense, and/or
  28  *     sell copies of the Software, and to permit persons to whom the
  29  *     Software is furnished to do so, subject to the following
  30  *     conditions:
  31  *
  32  *     The above copyright notice and this permission notice shall be
  33  *     included in all copies or substantial portions of the Software.
  34  *
  35  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  36  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  37  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  38  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  39  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  40  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  41  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  42  *     OTHER DEALINGS IN THE SOFTWARE.
  43  */
  44
  45 /dts-v1/;
  46 #include "sun8i-a33.dtsi"
  47 #include "sunxi-common-regulators.dtsi"
  48
  49 #include <dt-bindings/gpio/gpio.h>
  50 #include <dt-bindings/input/input.h>
  51
  52 / {
  53         model = "Allwinner R16 EVB (Parrot)";
  54         compatible = "allwinner,parrot", "allwinner,sun8i-a33";
  55
  56         aliases {
  57                 serial0 = &uart0;
  58         };
  59
  60         chosen {
  61                 stdout-path = "serial0:115200n8";
  62         };
  63
  64         leds {
  65                 compatible = "gpio-leds";
  66
  67                 led1 {
  68                         label = "parrot:led1:usr";
  69                         gpio = <&pio 4 17 GPIO_ACTIVE_HIGH>; /* PE17 */
  70                 };
  71
  72                 led2 {
  73                         label = "parrot:led2:usr";
  74                         gpio = <&pio 4 16 GPIO_ACTIVE_HIGH>; /* PE16 */
  75                 };
  76         };
  77
  78         wifi_pwrseq: wifi_pwrseq {
  79                 compatible = "mmc-pwrseq-simple";
  80                 reset-gpios = <&r_pio 0 6 GPIO_ACTIVE_LOW>; /* PL06 */
  81         };
  82
  83 };
  84
  85 &codec {
  86         status = "okay";
  87 };
  88
  89 &dai {
  90         status = "okay";
  91 };
  92
  93 &ehci0 {
  94         status = "okay";
  95 };
  96
  97 &i2c1 {
  98         status = "okay";
  99
 100         /*
 101          * FIXME: An as-yet-unknown accelerometer is connected to this
 102          * i2c bus.
 103          */
 104 };
 105
 106 &lradc {
 107         vref-supply = <&reg_aldo3>;
 108         status = "okay";
 109
 110         button-190 {
 111                 label = "V+";
 112                 linux,code = <KEY_VOLUMEUP>;
 113                 channel = <0>;
 114                 voltage = <190000>;
 115         };
 116
 117         button-390 {
 118                 label = "V-";
 119                 linux,code = <KEY_VOLUMEDOWN>;
 120                 channel = <0>;
 121                 voltage = <390000>;
 122         };
 123
 124 };
 125
 126 &mmc0 {
 127         vmmc-supply = <&reg_dcdc1>;
 128         cd-gpios = <&pio 3 14 GPIO_ACTIVE_LOW>; /* PD14 */
 129         bus-width = <4>;
 130         status = "okay";
 131 };
 132
 133 &mmc1 {
 134         pinctrl-names = "default";
 135         pinctrl-0 = <&mmc1_pg_pins>;
 136         vmmc-supply = <&reg_aldo1>;
 137         mmc-pwrseq = <&wifi_pwrseq>;
 138         bus-width = <4>;
 139         non-removable;
 140         status = "okay";
 141 };
 142
 143 &mmc2 {
 144         pinctrl-names = "default";
 145         pinctrl-0 = <&mmc2_8bit_pins>;
 146         vmmc-supply = <&reg_dcdc1>;
 147         bus-width = <8>;
 148         non-removable;
 149         cap-mmc-hw-reset;
 150         status = "okay";
 151 };
 152
 153 &mmc2_8bit_pins {
 154         drive-strength = <40>;
 155 };
 156
 157 &ohci0 {
 158         status = "okay";
 159 };
 160
 161 &pio {
 162         usb0_id_det: usb0-id-detect-pin {
 163                 pins = "PD10";
 164                 function = "gpio_in";
 165                 bias-pull-up;
 166         };
 167 };
 168
 169 &r_rsb {
 170         status = "okay";
 171
 172         axp22x: pmic@3a3 {
 173                 compatible = "x-powers,axp223";
 174                 reg = <0x3a3>;
 175                 interrupt-parent = <&nmi_intc>;
 176                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 177                 drivevbus-supply = <&reg_vcc5v0>;
 178                 x-powers,drive-vbus-en;
 179         };
 180 };
 181
 182 #include "axp223.dtsi"
 183
 184 &reg_aldo1 {
 185         regulator-always-on;
 186         regulator-min-microvolt = <3000000>;
 187         regulator-max-microvolt = <3000000>;
 188         regulator-name = "vcc-io";
 189 };
 190
 191 &reg_aldo2 {
 192         regulator-always-on;
 193         regulator-min-microvolt = <2350000>;
 194         regulator-max-microvolt = <2650000>;
 195         regulator-name = "vdd-dll";
 196 };
 197
 198 &reg_aldo3 {
 199         regulator-always-on;
 200         regulator-min-microvolt = <2700000>;
 201         regulator-max-microvolt = <3300000>;
 202         regulator-name = "vcc-pll-avcc";
 203 };
 204
 205 &reg_dc5ldo {
 206         regulator-always-on;
 207         regulator-min-microvolt = <900000>;
 208         regulator-max-microvolt = <1400000>;
 209         regulator-name = "vdd-cpus";
 210 };
 211
 212 &reg_dcdc1 {
 213         regulator-always-on;
 214         regulator-min-microvolt = <3000000>;
 215         regulator-max-microvolt = <3000000>;
 216         regulator-name = "vcc-3v0";
 217 };
 218
 219 &reg_dcdc2 {
 220         regulator-always-on;
 221         regulator-min-microvolt = <900000>;
 222         regulator-max-microvolt = <1400000>;
 223         regulator-name = "vdd-sys";
 224 };
 225
 226 &reg_dcdc3 {
 227         regulator-always-on;
 228         regulator-min-microvolt = <900000>;
 229         regulator-max-microvolt = <1400000>;
 230         regulator-name = "vdd-cpu";
 231 };
 232
 233 &reg_dcdc5 {
 234         regulator-always-on;
 235         regulator-min-microvolt = <1500000>;
 236         regulator-max-microvolt = <1500000>;
 237         regulator-name = "vcc-dram";
 238 };
 239
 240 &reg_dldo1 {
 241         /*
 242          * TODO: WiFi chip needs dldo1 AND dldo2 to be on to be powered.
 243          * Remove next line once it is possible to sync two regulators.
 244          */
 245         regulator-always-on;
 246         regulator-min-microvolt = <3300000>;
 247         regulator-max-microvolt = <3300000>;
 248         regulator-name = "vcc-wifi0";
 249 };
 250
 251 &reg_dldo2 {
 252         /*
 253          * TODO: WiFi chip needs dldo1 AND dldo2 to be on to be powered.
 254          * Remove next line once it is possible to sync two regulators.
 255          */
 256         regulator-always-on;
 257         regulator-min-microvolt = <3300000>;
 258         regulator-max-microvolt = <3300000>;
 259         regulator-name = "vcc-wifi1";
 260 };
 261
 262 &reg_dldo3 {
 263         regulator-min-microvolt = <3000000>;
 264         regulator-max-microvolt = <3000000>;
 265         regulator-name = "vcc-3v0-csi";
 266 };
 267
 268 &reg_drivevbus {
 269         regulator-name = "usb0-vbus";
 270         status = "okay";
 271 };
 272
 273 &reg_eldo1 {
 274         regulator-min-microvolt = <1200000>;
 275         regulator-max-microvolt = <1200000>;
 276         regulator-name = "vcc-1v2-hsic";
 277 };
 278
 279 &reg_eldo2 {
 280         regulator-min-microvolt = <3000000>;
 281         regulator-max-microvolt = <3000000>;
 282         regulator-name = "vcc-dsp";
 283 };
 284
 285 &reg_eldo3 {
 286         regulator-min-microvolt = <3000000>;
 287         regulator-max-microvolt = <3000000>;
 288         regulator-name = "eldo3";
 289 };
 290
 291 &reg_usb1_vbus {
 292         gpio = <&pio 3 12 GPIO_ACTIVE_HIGH>; /* PD12 */
 293         status = "okay";
 294 };
 295
 296 &sound {
 297         status = "okay";
 298 };
 299
 300 &uart0 {
 301         pinctrl-names = "default";
 302         pinctrl-0 = <&uart0_pb_pins>;
 303         status = "okay";
 304 };
 305
 306 &usb_otg {
 307         dr_mode = "otg";
 308         status = "okay";
 309 };
 310
 311 &usb_power_supply {
 312         status = "okay";
 313 };
 314
 315 &usbphy {
 316         status = "okay";
 317         pinctrl-names = "default";
 318         pinctrl-0 = <&usb0_id_det>;
 319         usb0_vbus-supply = <&reg_drivevbus>;
 320         usb0_id_det-gpios = <&pio 3 10 GPIO_ACTIVE_HIGH>; /* PD10 */
 321         usb0_vbus_power-supply = <&usb_power_supply>;
 322         usb1_vbus-supply = <&reg_usb1_vbus>;
 323 };