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 <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         edp_panel: edp-panel {
  97                 compatible = "sharp,lq123p1jx31", "simple-panel";
  98                 backlight = <&backlight>;
  99                 power-supply = <&pp3300_disp>;
 100
 101                 ports {
 102                         panel_in_edp: endpoint {
 103                                 remote-endpoint = <&edp_out_panel>;
 104                         };
 105                 };
 106         };
 107
 108         thermistor_ppvar_bigcpu: thermistor-ppvar-bigcpu {
 109                 compatible = "murata,ncp15wb473";
 110                 pullup-uv = <1800000>;
 111                 pullup-ohm = <25500>;
 112                 pulldown-ohm = <0>;
 113                 io-channels = <&saradc 2>;
 114                 #thermal-sensor-cells = <0>;
 115         };
 116
 117         thermistor_ppvar_litcpu: thermistor-ppvar-litcpu {
 118                 compatible = "murata,ncp15wb473";
 119                 pullup-uv = <1800000>;
 120                 pullup-ohm = <25500>;
 121                 pulldown-ohm = <0>;
 122                 io-channels = <&saradc 3>;
 123                 #thermal-sensor-cells = <0>;
 124         };
 125 };
 126
 127 &gpio_keys {
 128         pinctrl-names = "default";
 129         pinctrl-0 = <&bt_host_wake_l>, <&cpu1_pen_eject>;
 130
 131         pen-insert {
 132                 label = "Pen Insert";
 133                 /* Insert = low, eject = high */
 134                 gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
 135                 linux,code = <SW_PEN_INSERTED>;
 136                 linux,input-type = <EV_SW>;
 137                 wakeup-source;
 138         };
 139 };
 140
 141 &thermal_zones {
 142         bigcpu_reg_thermal: bigcpu-reg-thermal {
 143                 polling-delay-passive = <100>; /* milliseconds */
 144                 polling-delay = <1000>; /* milliseconds */
 145                 thermal-sensors = <&thermistor_ppvar_bigcpu 0>;
 146                 sustainable-power = <4000>;
 147
 148                 ppvar_bigcpu_trips: trips {
 149                         ppvar_bigcpu_on: ppvar-bigcpu-on {
 150                                 temperature = <40000>;  /* millicelsius */
 151                                 hysteresis = <2000>;    /* millicelsius */
 152                                 type = "passive";
 153                         };
 154
 155                         ppvar_bigcpu_alert: ppvar-bigcpu-alert {
 156                                 temperature = <50000>;  /* millicelsius */
 157                                 hysteresis = <2000>;    /* millicelsius */
 158                                 type = "passive";
 159                         };
 160
 161                         ppvar_bigcpu_crit: ppvar-bigcpu-crit {
 162                                 temperature = <90000>;  /* millicelsius */
 163                                 hysteresis = <0>;       /* millicelsius */
 164                                 type = "critical";
 165                         };
 166                 };
 167
 168                 cooling-maps {
 169                         map0 {
 170                                 trip = <&ppvar_bigcpu_alert>;
 171                                 cooling-device =
 172                                         <&cpu_l0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
 173                                 contribution = <4096>;
 174                         };
 175                         map1 {
 176                                 trip = <&ppvar_bigcpu_alert>;
 177                                 cooling-device =
 178                                         <&cpu_b0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
 179                                 contribution = <1024>;
 180                         };
 181                 };
 182         };
 183
 184         litcpu_reg_thermal: litcpu-reg-thermal {
 185                 polling-delay-passive = <100>; /* milliseconds */
 186                 polling-delay = <1000>; /* milliseconds */
 187                 thermal-sensors = <&thermistor_ppvar_litcpu 0>;
 188                 sustainable-power = <4000>;
 189
 190                 ppvar_litcpu_trips: trips {
 191                         ppvar_litcpu_on: ppvar-litcpu-on {
 192                                 temperature = <40000>;  /* millicelsius */
 193                                 hysteresis = <2000>;    /* millicelsius */
 194                                 type = "passive";
 195                         };
 196
 197                         ppvar_litcpu_alert: ppvar-litcpu-alert {
 198                                 temperature = <50000>;  /* millicelsius */
 199                                 hysteresis = <2000>;    /* millicelsius */
 200                                 type = "passive";
 201                         };
 202
 203                         ppvar_litcpu_crit: ppvar-litcpu-crit {
 204                                 temperature = <90000>;  /* millicelsius */
 205                                 hysteresis = <0>;       /* millicelsius */
 206                                 type = "critical";
 207                         };
 208                 };
 209         };
 210 };
 211
 212 ap_i2c_tpm: &i2c0 {
 213         status = "okay";
 214
 215         clock-frequency = <400000>;
 216
 217         /* These are relatively safe rise/fall times. */
 218         i2c-scl-falling-time-ns = <50>;
 219         i2c-scl-rising-time-ns = <300>;
 220
 221         tpm: tpm@20 {
 222                 compatible = "infineon,slb9645tt";
 223                 reg = <0x20>;
 224                 powered-while-suspended;
 225         };
 226 };
 227
 228 ap_i2c_dig: &i2c2 {
 229         status = "okay";
 230
 231         clock-frequency = <400000>;
 232
 233         /* These are relatively safe rise/fall times. */
 234         i2c-scl-falling-time-ns = <50>;
 235         i2c-scl-rising-time-ns = <300>;
 236
 237         digitizer: digitizer@9 {
 238                 /* wacom,w9013 */
 239                 compatible = "hid-over-i2c";
 240                 reg = <0x9>;
 241                 pinctrl-names = "default";
 242                 pinctrl-0 = <&cpu1_dig_irq_l &cpu1_dig_pdct_l>;
 243
 244                 vdd-supply = <&p3_3v_dig>;
 245                 post-power-on-delay-ms = <100>;
 246
 247                 interrupt-parent = <&gpio2>;
 248                 interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
 249
 250                 hid-descr-addr = <0x1>;
 251         };
 252 };
 253
 254 /* Adjustments to things in the gru baseboard */
 255
 256 &ap_i2c_tp {
 257         trackpad@4a {
 258                 compatible = "atmel,atmel_mxt_tp";
 259                 reg = <0x4a>;
 260                 pinctrl-names = "default";
 261                 pinctrl-0 = <&trackpad_int_l>;
 262                 interrupt-parent = <&gpio1>;
 263                 interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
 264                 linux,gpio-keymap = <KEY_RESERVED
 265                                      KEY_RESERVED
 266                                      KEY_RESERVED
 267                                      BTN_LEFT>;
 268                 wakeup-source;
 269         };
 270 };
 271
 272 &ap_i2c_ts {
 273         touchscreen@4b {
 274                 compatible = "atmel,atmel_mxt_ts";
 275                 reg = <0x4b>;
 276                 pinctrl-names = "default";
 277                 pinctrl-0 = <&touch_int_l>;
 278                 interrupt-parent = <&gpio3>;
 279                 interrupts = <13 IRQ_TYPE_LEVEL_LOW>;
 280         };
 281 };
 282
 283 &edp {
 284         status = "okay";
 285
 286         ports {
 287                 edp_out: port@1 {
 288                         reg = <1>;
 289                         #address-cells = <1>;
 290                         #size-cells = <0>;
 291
 292                         edp_out_panel: endpoint@0 {
 293                                 reg = <0>;
 294                                 remote-endpoint = <&panel_in_edp>;
 295                         };
 296                 };
 297         };
 298 };
 299
 300 &ppvar_bigcpu_pwm {
 301         regulator-min-microvolt = <798674>;
 302         regulator-max-microvolt = <1302172>;
 303 };
 304
 305 &ppvar_bigcpu {
 306         regulator-min-microvolt = <798674>;
 307         regulator-max-microvolt = <1302172>;
 308         ctrl-voltage-range = <798674 1302172>;
 309 };
 310
 311 &ppvar_litcpu_pwm {
 312         regulator-min-microvolt = <799065>;
 313         regulator-max-microvolt = <1303738>;
 314 };
 315
 316 &ppvar_litcpu {
 317         regulator-min-microvolt = <799065>;
 318         regulator-max-microvolt = <1303738>;
 319         ctrl-voltage-range = <799065 1303738>;
 320 };
 321
 322 &ppvar_gpu_pwm {
 323         regulator-min-microvolt = <785782>;
 324         regulator-max-microvolt = <1217729>;
 325 };
 326
 327 &ppvar_gpu {
 328         regulator-min-microvolt = <785782>;
 329         regulator-max-microvolt = <1217729>;
 330         ctrl-voltage-range = <785782 1217729>;
 331 };
 332
 333 &ppvar_centerlogic_pwm {
 334         regulator-min-microvolt = <800069>;
 335         regulator-max-microvolt = <1049692>;
 336 };
 337
 338 &ppvar_centerlogic {
 339         regulator-min-microvolt = <800069>;
 340         regulator-max-microvolt = <1049692>;
 341         ctrl-voltage-range = <800069 1049692>;
 342 };
 343
 344 &saradc {
 345         status = "okay";
 346         vref-supply = <&pp1800_ap_io>;
 347 };
 348
 349 &mvl_wifi {
 350         marvell,wakeup-pin = <14>; /* GPIO_14 on Marvell */
 351 };
 352
 353 &pinctrl {
 354         digitizer {
 355                 /* Has external pullup */
 356                 cpu1_dig_irq_l: cpu1-dig-irq-l {
 357                         rockchip,pins = <2 4 RK_FUNC_GPIO &pcfg_pull_none>;
 358                 };
 359
 360                 /* Has external pullup */
 361                 cpu1_dig_pdct_l: cpu1-dig-pdct-l {
 362                         rockchip,pins = <2 5 RK_FUNC_GPIO &pcfg_pull_none>;
 363                 };
 364         };
 365
 366         discrete-regulators {
 367                 cpu3_pen_pwr_en: cpu3-pen-pwr-en {
 368                         rockchip,pins = <4 30 RK_FUNC_GPIO &pcfg_pull_none>;
 369                 };
 370         };
 371
 372         pen {
 373                 cpu1_pen_eject: cpu1-pen-eject {
 374                         rockchip,pins = <0 13 RK_FUNC_GPIO &pcfg_pull_up>;
 375                 };
 376         };
 377
 378         wifi {
 379                 wlan_host_wake_l: wlan-host-wake-l {
 380                         rockchip,pins = <0 8 RK_FUNC_GPIO &pcfg_pull_none>;
 381                 };
 382         };
 383 };