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}; 251