Annotation of src/sys/external/gpl2/dts/dist/arch/arm/boot/dts/rk3288-veyron-mickey.dts, Revision 1.1
1.1 ! jmcneill 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 RK_PB4 GPIO_ACTIVE_HIGH>,
! 186: <&gpio7 RK_PB7 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 RK_PB3 GPIO_ACTIVE_HIGH>;
! 248: pinctrl-names = "default";
! 249: pinctrl-0 = <&power_hdmi_on>;
! 250: };
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