arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts

   1 /*
   2  * Google Gru-Kevin Rev 6+ board device tree source
   3  *
   4  * Copyright 2016-2017 Google, Inc
   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 "rk3399-gru.dtsi"
  47 #include <include/dt-bindings/input/linux-event-codes.h>
  48
  49 /*
  50  * Kevin-specific things
  51  *
  52  * Things in this section should use names from Kevin schematic since no
  53  * equivalent exists in Gru schematic.  If referring to signals that exist
  54  * in Gru we use the Gru names, though.  Confusing enough for you?
  55  */
  56 / {
  57         model = "Google Kevin";
  58         compatible = "google,kevin-rev15", "google,kevin-rev14",
  59                      "google,kevin-rev13", "google,kevin-rev12",
  60                      "google,kevin-rev11", "google,kevin-rev10",
  61                      "google,kevin-rev9", "google,kevin-rev8",
  62                      "google,kevin-rev7", "google,kevin-rev6",
  63                      "google,kevin", "google,gru", "rockchip,rk3399";
  64
  65         /* Power tree */
  66
  67         p3_3v_dig: p3-3v-dig {
  68                 compatible = "regulator-fixed";
  69                 regulator-name = "p3.3v_dig";
  70                 pinctrl-names = "default";
  71                 pinctrl-0 = <&cpu3_pen_pwr_en>;
  72
  73                 enable-active-high;
  74                 gpio = <&gpio4 30 GPIO_ACTIVE_HIGH>;
  75                 vin-supply = <&pp3300>;
  76         };
  77
  78         backlight: backlight {
  79                 compatible = "pwm-backlight";
  80                 pwms = <&cros_ec_pwm 1>;
  81                 brightness-levels = <0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
  82                                      17 18 19 20 21 22 23 24 25 26 27 28 29 30
  83                                      31 32 33 34 35 36 37 38 39 40 41 42 43 44
  84                                      45 46 47 48 49 50 51 52 53 54 55 56 57 58
  85                                      59 60 61 62 63 64 65 66 67 68 69 70 71 72
  86                                      73 74 75 76 77 78 79 80 81 82 83 84 85 86
  87                                      87 88 89 90 91 92 93 94 95 96 97 98 99 100>;
  88                 default-brightness-level = <51>;
  89                 enable-gpios = <&gpio1 17 GPIO_ACTIVE_HIGH>;
  90                 power-supply = <&pp3300_disp>;
  91                 pinctrl-names = "default";
  92                 pinctrl-0 = <&bl_en>;
  93                 pwm-delay-us = <10000>;
  94         };
  95
  96         thermistor_ppvar_bigcpu: thermistor-ppvar-bigcpu {
  97                 compatible = "murata,ncp15wb473";
  98                 pullup-uv = <1800000>;
  99                 pullup-ohm = <25500>;
 100                 pulldown-ohm = <0>;
 101                 io-channels = <&saradc 2>;
 102                 #thermal-sensor-cells = <0>;
 103         };
 104
 105         thermistor_ppvar_litcpu: thermistor-ppvar-litcpu {
 106                 compatible = "murata,ncp15wb473";
 107                 pullup-uv = <1800000>;
 108                 pullup-ohm = <25500>;
 109                 pulldown-ohm = <0>;
 110                 io-channels = <&saradc 3>;
 111                 #thermal-sensor-cells = <0>;
 112         };
 113 };
 114
 115 &gpio_keys {
 116         pinctrl-names = "default";
 117         pinctrl-0 = <&bt_host_wake_l>, <&cpu1_pen_eject>;
 118
 119         pen-insert {
 120                 label = "Pen Insert";
 121                 /* Insert = low, eject = high */
 122                 gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
 123                 linux,code = <SW_PEN_INSERTED>;
 124                 linux,input-type = <EV_SW>;
 125                 wakeup-source;
 126         };
 127 };
 128
 129 &thermal_zones {
 130         bigcpu_reg_thermal: bigcpu-reg-thermal {
 131                 polling-delay-passive = <100>; /* milliseconds */
 132                 polling-delay = <1000>; /* milliseconds */
 133                 thermal-sensors = <&thermistor_ppvar_bigcpu 0>;
 134                 sustainable-power = <4000>;
 135
 136                 ppvar_bigcpu_trips: trips {
 137                         ppvar_bigcpu_on: ppvar-bigcpu-on {
 138                                 temperature = <40000>;  /* millicelsius */
 139                                 hysteresis = <2000>;    /* millicelsius */
 140                                 type = "passive";
 141                         };
 142
 143                         ppvar_bigcpu_alert: ppvar-bigcpu-alert {
 144                                 temperature = <50000>;  /* millicelsius */
 145                                 hysteresis = <2000>;    /* millicelsius */
 146                                 type = "passive";
 147                         };
 148
 149                         ppvar_bigcpu_crit: ppvar-bigcpu-crit {
 150                                 temperature = <90000>;  /* millicelsius */
 151                                 hysteresis = <0>;       /* millicelsius */
 152                                 type = "critical";
 153                         };
 154                 };
 155
 156                 cooling-maps {
 157                         map0 {
 158                                 trip = <&ppvar_bigcpu_alert>;
 159                                 cooling-device =
 160                                         <&cpu_l0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
 161                                 contribution = <4096>;
 162                         };
 163                         map1 {
 164                                 trip = <&ppvar_bigcpu_alert>;
 165                                 cooling-device =
 166                                         <&cpu_b0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
 167                                 contribution = <1024>;
 168                         };
 169                 };
 170         };
 171
 172         litcpu_reg_thermal: litcpu-reg-thermal {
 173                 polling-delay-passive = <100>; /* milliseconds */
 174                 polling-delay = <1000>; /* milliseconds */
 175                 thermal-sensors = <&thermistor_ppvar_litcpu 0>;
 176                 sustainable-power = <4000>;
 177
 178                 ppvar_litcpu_trips: trips {
 179                         ppvar_litcpu_on: ppvar-litcpu-on {
 180                                 temperature = <40000>;  /* millicelsius */
 181                                 hysteresis = <2000>;    /* millicelsius */
 182                                 type = "passive";
 183                         };
 184
 185                         ppvar_litcpu_alert: ppvar-litcpu-alert {
 186                                 temperature = <50000>;  /* millicelsius */
 187                                 hysteresis = <2000>;    /* millicelsius */
 188                                 type = "passive";
 189                         };
 190
 191                         ppvar_litcpu_crit: ppvar-litcpu-crit {
 192                                 temperature = <90000>;  /* millicelsius */
 193                                 hysteresis = <0>;       /* millicelsius */
 194                                 type = "critical";
 195                         };
 196                 };
 197         };
 198 };
 199
 200 ap_i2c_tpm: &i2c0 {
 201         status = "okay";
 202
 203         clock-frequency = <400000>;
 204
 205         /* These are relatively safe rise/fall times. */
 206         i2c-scl-falling-time-ns = <50>;
 207         i2c-scl-rising-time-ns = <300>;
 208
 209         tpm: tpm@20 {
 210                 compatible = "infineon,slb9645tt";
 211                 reg = <0x20>;
 212                 powered-while-suspended;
 213         };
 214 };
 215
 216 ap_i2c_dig: &i2c2 {
 217         status = "okay";
 218
 219         clock-frequency = <400000>;
 220
 221         /* These are relatively safe rise/fall times. */
 222         i2c-scl-falling-time-ns = <50>;
 223         i2c-scl-rising-time-ns = <300>;
 224
 225         digitizer: digitizer@9 {
 226                 /* wacom,w9013 */
 227                 compatible = "hid-over-i2c";
 228                 reg = <0x9>;
 229                 pinctrl-names = "default";
 230                 pinctrl-0 = <&cpu1_dig_irq_l &cpu1_dig_pdct_l>;
 231
 232                 vdd-supply = <&p3_3v_dig>;
 233                 post-power-on-delay-ms = <100>;
 234
 235                 interrupt-parent = <&gpio2>;
 236                 interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
 237
 238                 hid-descr-addr = <0x1>;
 239         };
 240 };
 241
 242 /* Adjustments to things in the gru baseboard */
 243
 244 &ap_i2c_tp {
 245         trackpad@4a {
 246                 compatible = "atmel,atmel_mxt_tp";
 247                 reg = <0x4a>;
 248                 pinctrl-names = "default";
 249                 pinctrl-0 = <&trackpad_int_l>;
 250                 interrupt-parent = <&gpio1>;
 251                 interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
 252                 wakeup-source;
 253         };
 254 };
 255
 256 &ap_i2c_ts {
 257         touchscreen@4b {
 258                 compatible = "atmel,atmel_mxt_ts";
 259                 reg = <0x4b>;
 260                 pinctrl-names = "default";
 261                 pinctrl-0 = <&touch_int_l>;
 262                 interrupt-parent = <&gpio3>;
 263                 interrupts = <13 IRQ_TYPE_LEVEL_LOW>;
 264         };
 265 };
 266
 267 &saradc {
 268         status = "okay";
 269         vref-supply = <&pp1800_ap_io>;
 270 };
 271
 272 &mvl_wifi {
 273         marvell,wakeup-pin = <14>; /* GPIO_14 on Marvell */
 274 };
 275
 276 &pinctrl {
 277         digitizer {
 278                 /* Has external pullup */
 279                 cpu1_dig_irq_l: cpu1-dig-irq-l {
 280                         rockchip,pins = <2 4 RK_FUNC_GPIO &pcfg_pull_none>;
 281                 };
 282
 283                 /* Has external pullup */
 284                 cpu1_dig_pdct_l: cpu1-dig-pdct-l {
 285                         rockchip,pins = <2 5 RK_FUNC_GPIO &pcfg_pull_none>;
 286                 };
 287         };
 288
 289         discrete-regulators {
 290                 cpu3_pen_pwr_en: cpu3-pen-pwr-en {
 291                         rockchip,pins = <4 30 RK_FUNC_GPIO &pcfg_pull_none>;
 292                 };
 293         };
 294
 295         pen {
 296                 cpu1_pen_eject: cpu1-pen-eject {
 297                         rockchip,pins = <0 13 RK_FUNC_GPIO &pcfg_pull_up>;
 298                 };
 299         };
 300
 301         wifi {
 302                 wlan_host_wake_l: wlan-host-wake-l {
 303                         rockchip,pins = <0 8 RK_FUNC_GPIO &pcfg_pull_none>;
 304                 };
 305         };
 306 };