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.  Note that we
  79                  * won't throttle the GPU lower than 400 MHz due to CPU
  80                  * heat--we'll let the GPU do the rest itself.
  81                  */
  82                 cpu_warm_limit_cpu {
  83                         trip = <&cpu_alert_warm>;
  84                         cooling-device =
  85                                 <&cpu0 THERMAL_NO_LIMIT 4>;
  86                 };
  87
  88                 /*
  89                  * Add some discrete steps to help throttling system deal
  90                  * with the fact that there are two passive cooling devices:
  91                  * the CPU and the GPU.
  92                  *
  93                  * - 1.2 GHz - 1.0 GHz (almost hot)
  94                  * - 800 MHz           (hot)
  95                  * - 800 MHz - 696 MHz (hotter)
  96                  * - 696 MHz - min     (very hot)
  97                  *
  98                  * Note:
  99                  * - 800 MHz appears to be a "sweet spot" for me.  I can run
 100                  *   some pretty serious workload here and be happy.
 101                  * - After 696 MHz we stop lowering voltage, so throttling
 102                  *   past there is less effective.
 103                  */
 104                 cpu_almost_hot_limit_cpu {
 105                         trip = <&cpu_alert_almost_hot>;
 106                         cooling-device =
 107                                 <&cpu0 5 6>;
 108                 };
 109                 cpu_hot_limit_cpu {
 110                         trip = <&cpu_alert_hot>;
 111                         cooling-device =
 112                                 <&cpu0 7 7>;
 113                 };
 114                 cpu_hotter_limit_cpu {
 115                         trip = <&cpu_alert_hotter>;
 116                         cooling-device =
 117                                 <&cpu0 7 8>;
 118                 };
 119                 cpu_very_hot_limit_cpu {
 120                         trip = <&cpu_alert_very_hot>;
 121                         cooling-device =
 122                                 <&cpu0 8 THERMAL_NO_LIMIT>;
 123                 };
 124         };
 125 };
 126
 127 &i2c2 {
 128         status = "disabled";
 129 };
 130
 131 &i2c4 {
 132         status = "disabled";
 133 };
 134
 135 &i2s {
 136         status = "okay";
 137         clock-names = "i2s_hclk", "i2s_clk", "i2s_clk_out";
 138         clocks = <&cru HCLK_I2S0>, <&cru SCLK_I2S0>, <&cru SCLK_I2S0_OUT>;
 139 };
 140
 141 &rk808 {
 142         pinctrl-names = "default";
 143         pinctrl-0 = <&pmic_int_l &dvs_1 &dvs_2>;
 144         dvs-gpios = <&gpio7 RK_PB4 GPIO_ACTIVE_HIGH>,
 145                     <&gpio7 RK_PB7 GPIO_ACTIVE_HIGH>;
 146
 147         /delete-property/ vcc6-supply;
 148         /delete-property/ vcc12-supply;
 149
 150         vcc11-supply = <&vcc33_sys>;
 151
 152         regulators {
 153                 /* vcc33_io is sourced directly from vcc33_sys */
 154                 /delete-node/ LDO_REG1;
 155                 /delete-node/ LDO_REG7;
 156
 157                 /* This is not a pwren anymore, but the real power supply */
 158                 vdd10_lcd: LDO_REG7 {
 159                         regulator-always-on;
 160                         regulator-boot-on;
 161                         regulator-min-microvolt = <1000000>;
 162                         regulator-max-microvolt = <1000000>;
 163                         regulator-name = "vdd10_lcd";
 164                         regulator-suspend-mem-disabled;
 165                 };
 166
 167                 vcc18_lcd: LDO_REG8 {
 168                         regulator-always-on;
 169                         regulator-boot-on;
 170                         regulator-min-microvolt = <1800000>;
 171                         regulator-max-microvolt = <1800000>;
 172                         regulator-name = "vcc18_lcd";
 173                         regulator-suspend-mem-disabled;
 174                 };
 175         };
 176 };
 177
 178 &pinctrl {
 179         hdmi {
 180                 power_hdmi_on: power-hdmi-on {
 181                         rockchip,pins = <7 11 RK_FUNC_GPIO &pcfg_pull_none>;
 182                 };
 183         };
 184
 185         pmic {
 186                 dvs_1: dvs-1 {
 187                         rockchip,pins = <7 12 RK_FUNC_GPIO &pcfg_pull_down>;
 188                 };
 189
 190                 dvs_2: dvs-2 {
 191                         rockchip,pins = <7 15 RK_FUNC_GPIO &pcfg_pull_down>;
 192                 };
 193         };
 194 };
 195
 196 &usb_host0_ehci {
 197         status = "disabled";
 198 };
 199
 200 &usb_host1 {
 201         status = "disabled";
 202 };
 203
 204 &vcc50_hdmi {
 205         enable-active-high;
 206         gpio = <&gpio7 RK_PB3 GPIO_ACTIVE_HIGH>;
 207         pinctrl-names = "default";
 208         pinctrl-0 = <&power_hdmi_on>;
 209 };