arch/arm/boot/dts/rk3288-veyron-mickey.dts

   1 /*
   2  * Google Veyron Mickey Rev 0 board device tree source
   3  *
   4  * Copyright 2015 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 "rk3288-veyron.dtsi"
  47
  48 / {
  49         model = "Google Mickey";
  50         compatible = "google,veyron-mickey-rev8", "google,veyron-mickey-rev7",
  51                      "google,veyron-mickey-rev6", "google,veyron-mickey-rev5",
  52                      "google,veyron-mickey-rev4", "google,veyron-mickey-rev3",
  53                      "google,veyron-mickey-rev2", "google,veyron-mickey-rev1",
  54                      "google,veyron-mickey-rev0", "google,veyron-mickey",
  55                      "google,veyron", "rockchip,rk3288";
  56
  57         vcc_5v: vcc-5v {
  58                 vin-supply = <&vcc33_sys>;
  59         };
  60
  61         vcc33_io: vcc33_io {
  62                 compatible = "regulator-fixed";
  63                 regulator-name = "vcc33_io";
  64                 regulator-always-on;
  65                 regulator-boot-on;
  66                 vin-supply = <&vcc33_sys>;
  67         };
  68 };
  69
  70 &cpu_thermal {
  71         /delete-node/ trips;
  72         /delete-node/ cooling-maps;
  73
  74         trips {
  75                 cpu_alert_almost_warm: cpu_alert_almost_warm {
  76                         temperature = <63000>; /* millicelsius */
  77                         hysteresis = <2000>; /* millicelsius */
  78                         type = "passive";
  79                 };
  80                 cpu_alert_warm: cpu_alert_warm {
  81                         temperature = <65000>; /* millicelsius */
  82                         hysteresis = <2000>; /* millicelsius */
  83                         type = "passive";
  84                 };
  85                 cpu_alert_almost_hot: cpu_alert_almost_hot {
  86                         temperature = <80000>; /* millicelsius */
  87                         hysteresis = <2000>; /* millicelsius */
  88                         type = "passive";
  89                 };
  90                 cpu_alert_hot: cpu_alert_hot {
  91                         temperature = <82000>; /* millicelsius */
  92                         hysteresis = <2000>; /* millicelsius */
  93                         type = "passive";
  94                 };
  95                 cpu_alert_hotter: cpu_alert_hotter {
  96                         temperature = <84000>; /* millicelsius */
  97                         hysteresis = <2000>; /* millicelsius */
  98                         type = "passive";
  99                 };
 100                 cpu_alert_very_hot: cpu_alert_very_hot {
 101                         temperature = <85000>; /* millicelsius */
 102                         hysteresis = <2000>; /* millicelsius */
 103                         type = "passive";
 104                 };
 105                 cpu_crit: cpu_crit {
 106                         temperature = <90000>; /* millicelsius */
 107                         hysteresis = <2000>; /* millicelsius */
 108                         type = "critical";
 109                 };
 110         };
 111
 112         cooling-maps {
 113                 /*
 114                  * After 1st level, throttle the CPU down to as low as 1.4 GHz
 115                  * and don't let the GPU go faster than 400 MHz.  Note that we
 116                  * won't throttle the GPU lower than 400 MHz due to CPU
 117                  * heat--we'll let the GPU do the rest itself.
 118                  */
 119                 cpu_warm_limit_cpu {
 120                         trip = <&cpu_alert_warm>;
 121                         cooling-device =
 122                                 <&cpu0 THERMAL_NO_LIMIT 4>;
 123                 };
 124
 125                 /*
 126                  * Add some discrete steps to help throttling system deal
 127                  * with the fact that there are two passive cooling devices:
 128                  * the CPU and the GPU.
 129                  *
 130                  * - 1.2 GHz - 1.0 GHz (almost hot)
 131                  * - 800 MHz           (hot)
 132                  * - 800 MHz - 696 MHz (hotter)
 133                  * - 696 MHz - min     (very hot)
 134                  *
 135                  * Note:
 136                  * - 800 MHz appears to be a "sweet spot" for me.  I can run
 137                  *   some pretty serious workload here and be happy.
 138                  * - After 696 MHz we stop lowering voltage, so throttling
 139                  *   past there is less effective.
 140                  */
 141                 cpu_almost_hot_limit_cpu {
 142                         trip = <&cpu_alert_almost_hot>;
 143                         cooling-device =
 144                                 <&cpu0 5 6>;
 145                 };
 146                 cpu_hot_limit_cpu {
 147                         trip = <&cpu_alert_hot>;
 148                         cooling-device =
 149                                 <&cpu0 7 7>;
 150                 };
 151                 cpu_hotter_limit_cpu {
 152                         trip = <&cpu_alert_hotter>;
 153                         cooling-device =
 154                                 <&cpu0 7 8>;
 155                 };
 156                 cpu_very_hot_limit_cpu {
 157                         trip = <&cpu_alert_very_hot>;
 158                         cooling-device =
 159                                 <&cpu0 8 THERMAL_NO_LIMIT>;
 160                 };
 161         };
 162 };
 163
 164 &emmc {
 165         /delete-property/mmc-hs200-1_8v;
 166 };
 167
 168 &i2c2 {
 169         status = "disabled";
 170 };
 171
 172 &i2c4 {
 173         status = "disabled";
 174 };
 175
 176 &i2s {
 177         status = "okay";
 178         clock-names = "i2s_hclk", "i2s_clk", "i2s_clk_out";
 179         clocks = <&cru HCLK_I2S0>, <&cru SCLK_I2S0>, <&cru SCLK_I2S0_OUT>;
 180 };
 181
 182 &rk808 {
 183         pinctrl-names = "default";
 184         pinctrl-0 = <&pmic_int_l &dvs_1 &dvs_2>;
 185         dvs-gpios = <&gpio7 12 GPIO_ACTIVE_HIGH>,
 186                     <&gpio7 15 GPIO_ACTIVE_HIGH>;
 187
 188         /delete-property/ vcc6-supply;
 189         /delete-property/ vcc12-supply;
 190
 191         vcc11-supply = <&vcc33_sys>;
 192
 193         regulators {
 194                 /* vcc33_io is sourced directly from vcc33_sys */
 195                 /delete-node/ LDO_REG1;
 196                 /delete-node/ LDO_REG7;
 197
 198                 /* This is not a pwren anymore, but the real power supply */
 199                 vdd10_lcd: LDO_REG7 {
 200                         regulator-always-on;
 201                         regulator-boot-on;
 202                         regulator-min-microvolt = <1000000>;
 203                         regulator-max-microvolt = <1000000>;
 204                         regulator-name = "vdd10_lcd";
 205                         regulator-suspend-mem-disabled;
 206                 };
 207
 208                 vcc18_lcd: LDO_REG8 {
 209                         regulator-always-on;
 210                         regulator-boot-on;
 211                         regulator-min-microvolt = <1800000>;
 212                         regulator-max-microvolt = <1800000>;
 213                         regulator-name = "vcc18_lcd";
 214                         regulator-suspend-mem-disabled;
 215                 };
 216         };
 217 };
 218
 219 &pinctrl {
 220         hdmi {
 221                 power_hdmi_on: power-hdmi-on {
 222                         rockchip,pins = <7 11 RK_FUNC_GPIO &pcfg_pull_none>;
 223                 };
 224         };
 225
 226         pmic {
 227                 dvs_1: dvs-1 {
 228                         rockchip,pins = <7 12 RK_FUNC_GPIO &pcfg_pull_down>;
 229                 };
 230
 231                 dvs_2: dvs-2 {
 232                         rockchip,pins = <7 15 RK_FUNC_GPIO &pcfg_pull_down>;
 233                 };
 234         };
 235 };
 236
 237 &usb_host0_ehci {
 238         status = "disabled";
 239 };
 240
 241 &usb_host1 {
 242         status = "disabled";
 243 };
 244
 245 &vcc50_hdmi {
 246         enable-active-high;
 247         gpio = <&gpio7 11 GPIO_ACTIVE_HIGH>;
 248         pinctrl-names = "default";
 249         pinctrl-0 = <&power_hdmi_on>;
 250 };