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 &gpio0 {
 256         gpio-line-names = "PMIC_SLEEP_AP",
 257                           "",
 258                           "",
 259                           "",
 260                           "PMIC_INT_L",
 261                           "POWER_BUTTON_L",
 262                           "",
 263                           "",
 264
 265                           "",
 266                           /*
 267                            * RECOVERY_SW_L is Chrome OS ABI.  Schematics call
 268                            * it REC_MODE_L.
 269                            */
 270                           "RECOVERY_SW_L",
 271                           "OT_RESET",
 272                           "",
 273                           "",
 274                           "AP_WARM_RESET_H",
 275                           "",
 276                           "I2C0_SDA_PMIC",
 277
 278                           "I2C0_SCL_PMIC",
 279                           "",
 280                           "nFALUT";
 281 };
 282
 283 &gpio2 {
 284         gpio-line-names = "CONFIG0",
 285                           "CONFIG1",
 286                           "CONFIG2",
 287                           "",
 288                           "",
 289                           "",
 290                           "",
 291                           "CONFIG3",
 292
 293                           "",
 294                           "EMMC_RST_L";
 295 };
 296
 297 &gpio3 {
 298         gpio-line-names = "FLASH0_D0",
 299                           "FLASH0_D1",
 300                           "FLASH0_D2",
 301                           "FLASH0_D3",
 302                           "FLASH0_D4",
 303                           "FLASH0_D5",
 304                           "FLASH0_D6",
 305                           "FLASH0_D7",
 306
 307                           "",
 308                           "",
 309                           "",
 310                           "",
 311                           "",
 312                           "",
 313                           "",
 314                           "",
 315
 316                           "FLASH0_CS2/EMMC_CMD",
 317                           "",
 318                           "FLASH0_DQS/EMMC_CLKO";
 319 };
 320
 321 &gpio4 {
 322         gpio-line-names = "",
 323                           "",
 324                           "",
 325                           "",
 326                           "",
 327                           "",
 328                           "",
 329                           "",
 330
 331                           "",
 332                           "",
 333                           "",
 334                           "",
 335                           "",
 336                           "",
 337                           "",
 338                           "",
 339
 340                           "UART0_RXD",
 341                           "UART0_TXD",
 342                           "UART0_CTS_L",
 343                           "UART0_RTS_L",
 344                           "SDIO0_D0",
 345                           "SDIO0_D1",
 346                           "SDIO0_D2",
 347                           "SDIO0_D3",
 348
 349                           "SDIO0_CMD",
 350                           "SDIO0_CLK",
 351                           "BT_DEV_WAKE",
 352                           "",
 353                           "WIFI_ENABLE_H",
 354                           "BT_ENABLE_L",
 355                           "WIFI_HOST_WAKE",
 356                           "BT_HOST_WAKE";
 357 };
 358
 359 &gpio7 {
 360         gpio-line-names = "",
 361                           "PWM_LOG",
 362                           "",
 363                           "",
 364                           "TPM_INT_H",
 365                           "SDMMC_DET_L",
 366                           /*
 367                            * AP_FLASH_WP_L is Chrome OS ABI.  Schematics call
 368                            * it FW_WP_AP.
 369                            */
 370                           "AP_FLASH_WP_L",
 371                           "",
 372
 373                           "CPU_NMI",
 374                           "DVSOK",
 375                           "HDMI_WAKE",
 376                           "POWER_HDMI_ON",
 377                           "DVS1",
 378                           "",
 379                           "",
 380                           "DVS2",
 381
 382                           "HDMI_CEC",
 383                           "",
 384                           "",
 385                           "I2C5_SDA_HDMI",
 386                           "I2C5_SCL_HDMI",
 387                           "",
 388                           "UART2_RXD",
 389                           "UART2_TXD";
 390 };
 391
 392 &gpio8 {
 393         gpio-line-names = "RAM_ID0",
 394                           "RAM_ID1",
 395                           "RAM_ID2",
 396                           "RAM_ID3",
 397                           "I2C1_SDA_TPM",
 398                           "I2C1_SCL_TPM",
 399                           "SPI2_CLK",
 400                           "SPI2_CS0",
 401
 402                           "SPI2_RXD",
 403                           "SPI2_TXD";
 404 };
 405
 406 &pinctrl {
 407         hdmi {
 408                 power_hdmi_on: power-hdmi-on {
 409                         rockchip,pins = <7 RK_PB3 RK_FUNC_GPIO &pcfg_pull_none>;
 410                 };
 411         };
 412
 413         pmic {
 414                 dvs_1: dvs-1 {
 415                         rockchip,pins = <7 RK_PB4 RK_FUNC_GPIO &pcfg_pull_down>;
 416                 };
 417
 418                 dvs_2: dvs-2 {
 419                         rockchip,pins = <7 RK_PB7 RK_FUNC_GPIO &pcfg_pull_down>;
 420                 };
 421         };
 422 };
 423
 424 &usb_host0_ehci {
 425         status = "disabled";
 426 };
 427
 428 &usb_host1 {
 429         status = "disabled";
 430 };
 431
 432 &vcc50_hdmi {
 433         enable-active-high;
 434         gpio = <&gpio7 RK_PB3 GPIO_ACTIVE_HIGH>;
 435         pinctrl-names = "default";
 436         pinctrl-0 = <&power_hdmi_on>;
 437 };