arch/arm/boot/dts/sun5i-gr8-evb.dts

   1 /*
   2  * Copyright 2016 Free Electrons
   3  * Copyright 2016 NextThing Co
   4  *
   5  * Mylène Josserand <mylene.josserand@free-electrons.com>
   6  *
   7  * This file is dual-licensed: you can use it either under the terms
   8  * of the GPL or the X11 license, at your option. Note that this dual
   9  * licensing only applies to this file, and not this project as a
  10  * whole.
  11  *
  12  *  a) This file is free software; you can redistribute it and/or
  13  *     modify it under the terms of the GNU General Public License as
  14  *     published by the Free Software Foundation; either version 2 of the
  15  *     License, or (at your option) any later version.
  16  *
  17  *     This file is distributed in the hope that it will be useful,
  18  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  *     GNU General Public License for more details.
  21  *
  22  * Or, alternatively,
  23  *
  24  *  b) Permission is hereby granted, free of charge, to any person
  25  *     obtaining a copy of this software and associated documentation
  26  *     files (the "Software"), to deal in the Software without
  27  *     restriction, including without limitation the rights to use,
  28  *     copy, modify, merge, publish, distribute, sublicense, and/or
  29  *     sell copies of the Software, and to permit persons to whom the
  30  *     Software is furnished to do so, subject to the following
  31  *     conditions:
  32  *
  33  *     The above copyright notice and this permission notice shall be
  34  *     included in all copies or substantial portions of the Software.
  35  *
  36  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  37  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  38  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  39  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  40  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  41  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  42  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  43  *     OTHER DEALINGS IN THE SOFTWARE.
  44  */
  45
  46 /dts-v1/;
  47 #include "sun5i-gr8.dtsi"
  48 #include "sunxi-common-regulators.dtsi"
  49
  50 #include <dt-bindings/gpio/gpio.h>
  51 #include <dt-bindings/input/input.h>
  52 #include <dt-bindings/interrupt-controller/irq.h>
  53
  54 / {
  55         model = "NextThing GR8-EVB";
  56         compatible = "nextthing,gr8-evb", "nextthing,gr8";
  57
  58         aliases {
  59                 i2c0 = &i2c0;
  60                 i2c1 = &i2c1;
  61                 i2c2 = &i2c2;
  62                 serial0 = &uart1;
  63                 serial1 = &uart2;
  64         };
  65
  66         chosen {
  67                 stdout-path = "serial0:115200n8";
  68         };
  69
  70         backlight: backlight {
  71                 compatible = "pwm-backlight";
  72                 pwms = <&pwm 0 10000 0>;
  73                 enable-gpios = <&axp_gpio 1 GPIO_ACTIVE_HIGH>;
  74
  75                 brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
  76                 default-brightness-level = <8>;
  77         };
  78
  79         sound-analog {
  80                 compatible = "simple-audio-card";
  81                 simple-audio-card,name = "gr8-evb-wm8978";
  82                 simple-audio-card,format = "i2s";
  83                 simple-audio-card,mclk-fs = <512>;
  84
  85                 simple-audio-card,cpu {
  86                         sound-dai = <&i2s0>;
  87                 };
  88
  89                 simple-audio-card,codec {
  90                         sound-dai = <&wm8978>;
  91                 };
  92         };
  93
  94         sound-spdif {
  95                 compatible = "simple-audio-card";
  96                 simple-audio-card,name = "On-board SPDIF";
  97
  98                 simple-audio-card,cpu {
  99                         sound-dai = <&spdif>;
 100                 };
 101
 102                 simple-audio-card,codec {
 103                         sound-dai = <&spdif_out>;
 104                 };
 105         };
 106
 107         spdif_out: spdif-out {
 108                 #sound-dai-cells = <0>;
 109                 compatible = "linux,spdif-dit";
 110         };
 111 };
 112
 113 &be0 {
 114         status = "okay";
 115 };
 116
 117 &codec {
 118         status = "okay";
 119 };
 120
 121 &ehci0 {
 122         status = "okay";
 123 };
 124
 125 &i2c0 {
 126         status = "okay";
 127
 128         axp209: pmic@34 {
 129                 reg = <0x34>;
 130
 131                 /*
 132                 * The interrupt is routed through the "External Fast
 133                 * Interrupt Request" pin (ball G13 of the module)
 134                 * directly to the main interrupt controller, without
 135                 * any other controller interfering.
 136                 */
 137                 interrupts = <0>;
 138         };
 139 };
 140
 141 #include "axp209.dtsi"
 142
 143 &i2c1 {
 144         status = "okay";
 145
 146         wm8978: codec@1a {
 147                 #sound-dai-cells = <0>;
 148                 compatible = "wlf,wm8978";
 149                 reg = <0x1a>;
 150         };
 151
 152         pcf8563: rtc@51 {
 153                 compatible = "phg,pcf8563";
 154                 reg = <0x51>;
 155         };
 156 };
 157
 158 &i2c2 {
 159         status = "okay";
 160 };
 161
 162 &i2s0 {
 163         pinctrl-names = "default";
 164         pinctrl-0 = <&i2s0_mclk_pin>, <&i2s0_data_pins>;
 165         status = "okay";
 166 };
 167
 168 &ir0 {
 169         pinctrl-names = "default";
 170         pinctrl-0 = <&ir0_rx_pin>;
 171         status = "okay";
 172 };
 173
 174 &lradc {
 175         vref-supply = <&reg_ldo2>;
 176         status = "okay";
 177
 178         button-190 {
 179                 label = "Volume Up";
 180                 linux,code = <KEY_VOLUMEUP>;
 181                 channel = <0>;
 182                 voltage = <190000>;
 183         };
 184
 185         button-390 {
 186                 label = "Volume Down";
 187                 linux,code = <KEY_VOLUMEDOWN>;
 188                 channel = <0>;
 189                 voltage = <390000>;
 190         };
 191
 192         button-600 {
 193                 label = "Menu";
 194                 linux,code = <KEY_MENU>;
 195                 channel = <0>;
 196                 voltage = <600000>;
 197         };
 198
 199         button-800 {
 200                 label = "Search";
 201                 linux,code = <KEY_SEARCH>;
 202                 channel = <0>;
 203                 voltage = <800000>;
 204         };
 205
 206         button-980 {
 207                 label = "Home";
 208                 linux,code = <KEY_HOMEPAGE>;
 209                 channel = <0>;
 210                 voltage = <980000>;
 211         };
 212
 213         button-1180 {
 214                 label = "Esc";
 215                 linux,code = <KEY_ESC>;
 216                 channel = <0>;
 217                 voltage = <1180000>;
 218         };
 219
 220         button-1400 {
 221                 label = "Enter";
 222                 linux,code = <KEY_ENTER>;
 223                 channel = <0>;
 224                 voltage = <1400000>;
 225         };
 226 };
 227
 228 &mmc0 {
 229         vmmc-supply = <&reg_vcc3v3>;
 230         bus-width = <4>;
 231         cd-gpios = <&pio 6 0 GPIO_ACTIVE_LOW>; /* PG0 */
 232         status = "okay";
 233 };
 234
 235 &nfc {
 236         pinctrl-names = "default";
 237         pinctrl-0 = <&nand_pins &nand_cs0_pin &nand_rb0_pin>;
 238
 239         /* MLC Support sucks for now */
 240         status = "disabled";
 241 };
 242
 243 &ohci0 {
 244         status = "okay";
 245 };
 246
 247 &otg_sram {
 248         status = "okay";
 249 };
 250
 251 &pwm {
 252         pinctrl-names = "default";
 253         pinctrl-0 = <&pwm0_pin>;
 254         status = "okay";
 255 };
 256
 257 &reg_dcdc2 {
 258         regulator-min-microvolt = <1000000>;
 259         regulator-max-microvolt = <1400000>;
 260         regulator-name = "vdd-cpu";
 261         regulator-always-on;
 262 };
 263
 264 &reg_dcdc3 {
 265         regulator-min-microvolt = <1000000>;
 266         regulator-max-microvolt = <1300000>;
 267         regulator-name = "vdd-sys";
 268         regulator-always-on;
 269 };
 270
 271 &reg_ldo1 {
 272         regulator-name = "vdd-rtc";
 273 };
 274
 275 &reg_ldo2 {
 276         regulator-min-microvolt = <2700000>;
 277         regulator-max-microvolt = <3300000>;
 278         regulator-name = "avcc";
 279         regulator-always-on;
 280 };
 281
 282 &reg_usb1_vbus {
 283         gpio = <&pio 6 13 GPIO_ACTIVE_HIGH>;
 284         status = "okay";
 285 };
 286
 287 &rtp {
 288         allwinner,ts-attached;
 289 };
 290
 291 &spdif {
 292         pinctrl-names = "default";
 293         pinctrl-0 = <&spdif_tx_pin>;
 294         status = "okay";
 295 };
 296
 297 &tve0 {
 298         status = "okay";
 299 };
 300
 301 &uart1 {
 302         pinctrl-names = "default";
 303         pinctrl-0 = <&uart1_pg_pins>, <&uart1_cts_rts_pins>;
 304         status = "okay";
 305 };
 306
 307 &usb_otg {
 308         /*
 309          * The GR8-EVB has a somewhat interesting design. There's a
 310          * pin supposed to control VBUS, an ID pin, a VBUS detect pin,
 311          * so everything should work just fine.
 312          *
 313          * Except that the pin supposed to control VBUS is not
 314          * connected to any controllable output, neither to the SoC
 315          * through a GPIO or to the PMIC, and it is pulled down,
 316          * meaning that we will never be able to enable VBUS on this
 317          * board.
 318          */
 319         dr_mode = "otg";
 320         status = "okay";
 321 };
 322
 323 &usb_power_supply {
 324         status = "okay";
 325 };
 326
 327 &usbphy {
 328         usb0_id_det-gpio = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */
 329         usb0_vbus_det-gpio = <&pio 6 1 GPIO_ACTIVE_HIGH>; /* PG1 */
 330         usb0_vbus_power-supply = <&usb_power_supply>;
 331         usb1_vbus-supply = <&reg_usb1_vbus>;
 332         status = "okay";
 333 };