arch/arm/boot/dts/ntc-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 "ntc-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
  80 &be0 {
  81         status = "okay";
  82 };
  83
  84 &codec {
  85         status = "okay";
  86 };
  87
  88 &ehci0 {
  89         status = "okay";
  90 };
  91
  92 &i2c0 {
  93         pinctrl-names = "default";
  94         pinctrl-0 = <&i2c0_pins_a>;
  95         status = "okay";
  96
  97         axp209: pmic@34 {
  98                 reg = <0x34>;
  99
 100                 /*
 101                 * The interrupt is routed through the "External Fast
 102                 * Interrupt Request" pin (ball G13 of the module)
 103                 * directly to the main interrupt controller, without
 104                 * any other controller interfering.
 105                 */
 106                 interrupts = <0>;
 107         };
 108 };
 109
 110 #include "axp209.dtsi"
 111
 112 &i2c1 {
 113         pinctrl-names = "default";
 114         pinctrl-0 = <&i2c1_pins_a>;
 115         status = "okay";
 116
 117         wm8978: codec@1a {
 118                 #sound-dai-cells = <0>;
 119                 compatible = "wlf,wm8978";
 120                 reg = <0x1a>;
 121         };
 122
 123         pcf8563: rtc@51 {
 124                 compatible = "phg,pcf8563";
 125                 reg = <0x51>;
 126         };
 127 };
 128
 129 &i2c2 {
 130         pinctrl-names = "default";
 131         pinctrl-0 = <&i2c2_pins_a>;
 132         status = "okay";
 133 };
 134
 135 &i2s0 {
 136         pinctrl-names = "default";
 137         pinctrl-0 = <&i2s0_mclk_pins_a>, <&i2s0_data_pins_a>;
 138         status = "okay";
 139 };
 140
 141 &ir0 {
 142         pinctrl-names = "default";
 143         pinctrl-0 = <&ir0_rx_pins_a>;
 144         status = "okay";
 145 };
 146
 147 &lradc {
 148         vref-supply = <&reg_ldo2>;
 149         status = "okay";
 150
 151         button@190 {
 152                 label = "Volume Up";
 153                 linux,code = <KEY_VOLUMEUP>;
 154                 channel = <0>;
 155                 voltage = <190000>;
 156         };
 157
 158         button@390 {
 159                 label = "Volume Down";
 160                 linux,code = <KEY_VOLUMEDOWN>;
 161                 channel = <0>;
 162                 voltage = <390000>;
 163         };
 164
 165         button@600 {
 166                 label = "Menu";
 167                 linux,code = <KEY_MENU>;
 168                 channel = <0>;
 169                 voltage = <600000>;
 170         };
 171
 172         button@800 {
 173                 label = "Search";
 174                 linux,code = <KEY_SEARCH>;
 175                 channel = <0>;
 176                 voltage = <800000>;
 177         };
 178
 179         button@980 {
 180                 label = "Home";
 181                 linux,code = <KEY_HOMEPAGE>;
 182                 channel = <0>;
 183                 voltage = <980000>;
 184         };
 185
 186         button@1180 {
 187                 label = "Esc";
 188                 linux,code = <KEY_ESC>;
 189                 channel = <0>;
 190                 voltage = <1180000>;
 191         };
 192
 193         button@1400 {
 194                 label = "Enter";
 195                 linux,code = <KEY_ENTER>;
 196                 channel = <0>;
 197                 voltage = <1400000>;
 198         };
 199 };
 200
 201 &mmc0 {
 202         pinctrl-names = "default";
 203         pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_gr8_evb>;
 204         vmmc-supply = <&reg_vcc3v3>;
 205         bus-width = <4>;
 206         cd-gpios = <&pio 6 0 GPIO_ACTIVE_HIGH>; /* PG0 */
 207         cd-inverted;
 208         status = "okay";
 209 };
 210
 211 &nfc {
 212         pinctrl-names = "default";
 213         pinctrl-0 = <&nand_pins_a &nand_cs0_pins_a &nand_rb0_pins_a>;
 214
 215         /* MLC Support sucks for now */
 216         status = "disabled";
 217 };
 218
 219 &ohci0 {
 220         status = "okay";
 221 };
 222
 223 &otg_sram {
 224         status = "okay";
 225 };
 226
 227 &pio {
 228         mmc0_cd_pin_gr8_evb: mmc0-cd-pin@0 {
 229                 allwinner,pins = "PG0";
 230                 allwinner,function = "gpio_in";
 231                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 232                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 233         };
 234
 235         usb0_id_pin_gr8_evb: usb0-id-pin@0 {
 236                 allwinner,pins = "PG2";
 237                 allwinner,function = "gpio_in";
 238                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 239                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 240         };
 241
 242         usb0_vbus_det_pin_gr8_evb: usb0-vbus-det-pin@0 {
 243                 allwinner,pins = "PG1";
 244                 allwinner,function = "gpio_in";
 245                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 246                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 247         };
 248
 249         usb1_vbus_pin_gr8_evb: usb1-vbus-pin@0 {
 250                 allwinner,pins = "PG13";
 251                 allwinner,function = "gpio_out";
 252                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 253                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 254         };
 255 };
 256
 257 &pwm {
 258         pinctrl-names = "default";
 259         pinctrl-0 = <&pwm0_pins_a>;
 260         status = "okay";
 261 };
 262
 263 &reg_dcdc2 {
 264         regulator-min-microvolt = <1000000>;
 265         regulator-max-microvolt = <1400000>;
 266         regulator-name = "vdd-cpu";
 267         regulator-always-on;
 268 };
 269
 270 &reg_dcdc3 {
 271         regulator-min-microvolt = <1000000>;
 272         regulator-max-microvolt = <1300000>;
 273         regulator-name = "vdd-sys";
 274         regulator-always-on;
 275 };
 276
 277 &reg_ldo1 {
 278         regulator-name = "vdd-rtc";
 279 };
 280
 281 &reg_ldo2 {
 282         regulator-min-microvolt = <2700000>;
 283         regulator-max-microvolt = <3300000>;
 284         regulator-name = "avcc";
 285         regulator-always-on;
 286 };
 287
 288 &reg_usb1_vbus {
 289         pinctrl-0 = <&usb1_vbus_pin_gr8_evb>;
 290         gpio = <&pio 6 13 GPIO_ACTIVE_HIGH>;
 291         status = "okay";
 292 };
 293
 294 &rtp {
 295         allwinner,ts-attached;
 296 };
 297
 298 &spdif {
 299         pinctrl-names = "default";
 300         pinctrl-0 = <&spdif_tx_pins_a>;
 301         status = "okay";
 302 };
 303
 304 &tve0 {
 305         status = "okay";
 306 };
 307
 308 &uart1 {
 309         pinctrl-names = "default";
 310         pinctrl-0 = <&uart1_pins_a>, <&uart1_cts_rts_pins_a>;
 311         status = "okay";
 312 };
 313
 314 &usb_otg {
 315         /*
 316          * The GR8-EVB has a somewhat interesting design. There's a
 317          * pin supposed to control VBUS, an ID pin, a VBUS detect pin,
 318          * so everything should work just fine.
 319          *
 320          * Except that the pin supposed to control VBUS is not
 321          * connected to any controllable output, neither to the SoC
 322          * through a GPIO or to the PMIC, and it is pulled down,
 323          * meaning that we will never be able to enable VBUS on this
 324          * board.
 325          */
 326         dr_mode = "otg";
 327         status = "okay";
 328 };
 329
 330 &usb_power_supply {
 331         status = "okay";
 332 };
 333
 334 &usbphy {
 335         pinctrl-names = "default";
 336         pinctrl-0 = <&usb0_id_pin_gr8_evb>, <&usb0_vbus_det_pin_gr8_evb>;
 337         usb0_id_det-gpio = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */
 338         usb0_vbus_det-gpio = <&pio 6 1 GPIO_ACTIVE_HIGH>; /* PG1 */
 339         usb0_vbus_power-supply = <&usb_power_supply>;
 340         usb1_vbus-supply = <&reg_usb1_vbus>;
 341         status = "okay";
 342 };