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

   1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
   2 /*
   3  * Google Veyron Mickey Rev 0 board device tree source
   4  *
   5  * Copyright 2015 Google, Inc
   6  */
   7
   8 /dts-v1/;
   9 #include "rk3288-veyron.dtsi"
  10
  11 / {
  12         model = "Google Mickey";
  13         compatible = "google,veyron-mickey-rev8", "google,veyron-mickey-rev7",
  14                      "google,veyron-mickey-rev6", "google,veyron-mickey-rev5",
  15                      "google,veyron-mickey-rev4", "google,veyron-mickey-rev3",
  16                      "google,veyron-mickey-rev2", "google,veyron-mickey-rev1",
  17                      "google,veyron-mickey-rev0", "google,veyron-mickey",
  18                      "google,veyron", "rockchip,rk3288";
  19
  20         vcc_5v: vcc-5v {
  21                 vin-supply = <&vcc33_sys>;
  22         };
  23
  24         vcc33_io: vcc33_io {
  25                 compatible = "regulator-fixed";
  26                 regulator-name = "vcc33_io";
  27                 regulator-always-on;
  28                 regulator-boot-on;
  29                 vin-supply = <&vcc33_sys>;
  30         };
  31 };
  32
  33 &cpu_thermal {
  34         /delete-node/ trips;
  35         /delete-node/ cooling-maps;
  36
  37         trips {
  38                 cpu_alert_almost_warm: cpu_alert_almost_warm {
  39                         temperature = <63000>; /* millicelsius */
  40                         hysteresis = <2000>; /* millicelsius */
  41                         type = "passive";
  42                 };
  43                 cpu_alert_warm: cpu_alert_warm {
  44                         temperature = <65000>; /* millicelsius */
  45                         hysteresis = <2000>; /* millicelsius */
  46                         type = "passive";
  47                 };
  48                 cpu_alert_almost_hot: cpu_alert_almost_hot {
  49                         temperature = <80000>; /* millicelsius */
  50                         hysteresis = <2000>; /* millicelsius */
  51                         type = "passive";
  52                 };
  53                 cpu_alert_hot: cpu_alert_hot {
  54                         temperature = <82000>; /* millicelsius */
  55                         hysteresis = <2000>; /* millicelsius */
  56                         type = "passive";
  57                 };
  58                 cpu_alert_hotter: cpu_alert_hotter {
  59                         temperature = <84000>; /* millicelsius */
  60                         hysteresis = <2000>; /* millicelsius */
  61                         type = "passive";
  62                 };
  63                 cpu_alert_very_hot: cpu_alert_very_hot {
  64                         temperature = <85000>; /* millicelsius */
  65                         hysteresis = <2000>; /* millicelsius */
  66                         type = "passive";
  67                 };
  68                 cpu_crit: cpu_crit {
  69                         temperature = <90000>; /* millicelsius */
  70                         hysteresis = <2000>; /* millicelsius */
  71                         type = "critical";
  72                 };
  73         };
  74
  75         cooling-maps {
  76                 /*
  77                  * After 1st level, throttle the CPU down to as low as 1.4 GHz
  78                  * and don't let the GPU go faster than 400 MHz.
  79                  */
  80                 cpu_warm_limit_cpu {
  81                         trip = <&cpu_alert_warm>;
  82                         cooling-device = <&cpu0 THERMAL_NO_LIMIT 4>,
  83                                          <&cpu1 THERMAL_NO_LIMIT 4>,
  84                                          <&cpu2 THERMAL_NO_LIMIT 4>,
  85                                          <&cpu3 THERMAL_NO_LIMIT 4>;
  86                 };
  87                 cpu_warm_limit_gpu {
  88                         trip = <&cpu_alert_warm>;
  89                         cooling-device = <&gpu 1 1>;
  90                 };
  91
  92                 /*
  93                  * Add some discrete steps to help throttling system deal
  94                  * with the fact that there are two passive cooling devices:
  95                  * the CPU and the GPU.
  96                  *
  97                  * - 1.2 GHz - 1.0 GHz (almost hot)
  98                  * - 800 MHz           (hot)
  99                  * - 800 MHz - 696 MHz (hotter)
 100                  * - 696 MHz - min     (very hot)
 101                  *
 102                  * Note:
 103                  * - 800 MHz appears to be a "sweet spot" for me.  I can run
 104                  *   some pretty serious workload here and be happy.
 105                  * - After 696 MHz we stop lowering voltage, so throttling
 106                  *   past there is less effective.
 107                  */
 108                 cpu_almost_hot_limit_cpu {
 109                         trip = <&cpu_alert_almost_hot>;
 110                         cooling-device = <&cpu0 5 6>, <&cpu1 5 6>, <&cpu2 5 6>,
 111                                          <&cpu3 5 6>;
 112                 };
 113                 cpu_hot_limit_cpu {
 114                         trip = <&cpu_alert_hot>;
 115                         cooling-device = <&cpu0 7 7>, <&cpu1 7 7>, <&cpu2 7 7>,
 116                                          <&cpu3 7 7>;
 117                 };
 118                 cpu_hotter_limit_cpu {
 119                         trip = <&cpu_alert_hotter>;
 120                         cooling-device = <&cpu0 7 8>, <&cpu1 7 8>, <&cpu2 7 8>,
 121                                          <&cpu3 7 8>;
 122                 };
 123                 cpu_very_hot_limit_cpu {
 124                         trip = <&cpu_alert_very_hot>;
 125                         cooling-device = <&cpu0 8 THERMAL_NO_LIMIT>,
 126                                          <&cpu1 8 THERMAL_NO_LIMIT>,
 127                                          <&cpu2 8 THERMAL_NO_LIMIT>,
 128                                          <&cpu3 8 THERMAL_NO_LIMIT>;
 129                 };
 130
 131                 /* At very hot, don't let GPU go over 300 MHz */
 132                 cpu_very_hot_limit_gpu {
 133                         trip = <&cpu_alert_very_hot>;
 134                         cooling-device = <&gpu 2 2>;
 135                 };
 136         };
 137 };
 138
 139 &gpu_thermal {
 140         /delete-node/ trips;
 141         /delete-node/ cooling-maps;
 142
 143         trips {
 144                 gpu_alert_warmish: gpu_alert_warmish {
 145                         temperature = <60000>; /* millicelsius */
 146                         hysteresis = <2000>; /* millicelsius */
 147                         type = "passive";
 148                 };
 149                 gpu_alert_warm: gpu_alert_warm {
 150                         temperature = <65000>; /* millicelsius */
 151                         hysteresis = <2000>; /* millicelsius */
 152                         type = "passive";
 153                 };
 154                 gpu_alert_hotter: gpu_alert_hotter {
 155                         temperature = <84000>; /* millicelsius */
 156                         hysteresis = <2000>; /* millicelsius */
 157                         type = "passive";
 158                 };
 159                 gpu_alert_very_very_hot: gpu_alert_very_very_hot {
 160                         temperature = <86000>; /* millicelsius */
 161                         hysteresis = <2000>; /* millicelsius */
 162                         type = "passive";
 163                 };
 164                 gpu_crit: gpu_crit {
 165                         temperature = <90000>; /* millicelsius */
 166                         hysteresis = <2000>; /* millicelsius */
 167                         type = "critical";
 168                 };
 169         };
 170
 171         cooling-maps {
 172                 /* After 1st level throttle the GPU down to as low as 400 MHz */
 173                 gpu_warmish_limit_gpu {
 174                         trip = <&gpu_alert_warmish>;
 175                         cooling-device = <&gpu THERMAL_NO_LIMIT 1>;
 176                 };
 177
 178                 /*
 179                  * Slightly after we throttle the GPU, we'll also make sure that
 180                  * the CPU can't go faster than 1.4 GHz.  Note that we won't
 181                  * throttle the CPU lower than 1.4 GHz due to GPU heat--we'll
 182                  * let the CPU do the rest itself.
 183                  */
 184                 gpu_warm_limit_cpu {
 185                         trip = <&gpu_alert_warm>;
 186                         cooling-device = <&cpu0 4 4>,
 187                                          <&cpu1 4 4>,
 188                                          <&cpu2 4 4>,
 189                                          <&cpu3 4 4>;
 190                 };
 191
 192                 /* When hot, GPU goes down to 300 MHz */
 193                 gpu_hotter_limit_gpu {
 194                         trip = <&gpu_alert_hotter>;
 195                         cooling-device = <&gpu 2 2>;
 196                 };
 197
 198                 /* When really hot, don't let GPU go _above_ 300 MHz */
 199                 gpu_very_very_hot_limit_gpu {
 200                         trip = <&gpu_alert_very_very_hot>;
 201                         cooling-device = <&gpu 2 THERMAL_NO_LIMIT>;
 202                 };
 203         };
 204 };
 205
 206 &i2c2 {
 207         status = "disabled";
 208 };
 209
 210 &i2c4 {
 211         status = "disabled";
 212 };
 213
 214 &i2s {
 215         status = "okay";
 216 };
 217
 218 &rk808 {
 219         pinctrl-names = "default";
 220         pinctrl-0 = <&pmic_int_l &dvs_1 &dvs_2>;
 221         dvs-gpios = <&gpio7 RK_PB4 GPIO_ACTIVE_HIGH>,
 222                     <&gpio7 RK_PB7 GPIO_ACTIVE_HIGH>;
 223
 224         /delete-property/ vcc6-supply;
 225         /delete-property/ vcc12-supply;
 226
 227         vcc11-supply = <&vcc33_sys>;
 228
 229         regulators {
 230                 /* vcc33_io is sourced directly from vcc33_sys */
 231                 /delete-node/ LDO_REG1;
 232                 /delete-node/ LDO_REG7;
 233
 234                 /* This is not a pwren anymore, but the real power supply */
 235                 vdd10_lcd: LDO_REG7 {
 236                         regulator-always-on;
 237                         regulator-boot-on;
 238                         regulator-min-microvolt = <1000000>;
 239                         regulator-max-microvolt = <1000000>;
 240                         regulator-name = "vdd10_lcd";
 241                         regulator-suspend-mem-disabled;
 242                 };
 243
 244                 vcc18_lcd: LDO_REG8 {
 245                         regulator-always-on;
 246                         regulator-boot-on;
 247                         regulator-min-microvolt = <1800000>;
 248                         regulator-max-microvolt = <1800000>;
 249                         regulator-name = "vcc18_lcd";
 250                         regulator-suspend-mem-disabled;
 251                 };
 252         };
 253 };
 254
 255 &pinctrl {
 256         hdmi {
 257                 power_hdmi_on: power-hdmi-on {
 258                         rockchip,pins = <7 RK_PB3 RK_FUNC_GPIO &pcfg_pull_none>;
 259                 };
 260         };
 261
 262         pmic {
 263                 dvs_1: dvs-1 {
 264                         rockchip,pins = <7 RK_PB4 RK_FUNC_GPIO &pcfg_pull_down>;
 265                 };
 266
 267                 dvs_2: dvs-2 {
 268                         rockchip,pins = <7 RK_PB7 RK_FUNC_GPIO &pcfg_pull_down>;
 269                 };
 270         };
 271 };
 272
 273 &usb_host0_ehci {
 274         status = "disabled";
 275 };
 276
 277 &usb_host1 {
 278         status = "disabled";
 279 };
 280
 281 &vcc50_hdmi {
 282         enable-active-high;
 283         gpio = <&gpio7 RK_PB3 GPIO_ACTIVE_HIGH>;
 284         pinctrl-names = "default";
 285         pinctrl-0 = <&power_hdmi_on>;
 286 };