/* * Google Veyron Mickey Rev 0 board device tree source * * Copyright 2015 Google, Inc * * This file is dual-licensed: you can use it either under the terms * of the GPL or the X11 license, at your option. Note that this dual * licensing only applies to this file, and not this project as a * whole. * * a) This file is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of the * License, or (at your option) any later version. * * This file is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * Or, alternatively, * * b) Permission is hereby granted, free of charge, to any person * obtaining a copy of this software and associated documentation * files (the "Software"), to deal in the Software without * restriction, including without limitation the rights to use, * copy, modify, merge, publish, distribute, sublicense, and/or * sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following * conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. */ /dts-v1/; #include "rk3288-veyron.dtsi" / { model = "Google Mickey"; compatible = "google,veyron-mickey-rev8", "google,veyron-mickey-rev7", "google,veyron-mickey-rev6", "google,veyron-mickey-rev5", "google,veyron-mickey-rev4", "google,veyron-mickey-rev3", "google,veyron-mickey-rev2", "google,veyron-mickey-rev1", "google,veyron-mickey-rev0", "google,veyron-mickey", "google,veyron", "rockchip,rk3288"; vcc_5v: vcc-5v { vin-supply = <&vcc33_sys>; }; vcc33_io: vcc33_io { compatible = "regulator-fixed"; regulator-name = "vcc33_io"; regulator-always-on; regulator-boot-on; vin-supply = <&vcc33_sys>; }; }; &cpu_thermal { /delete-node/ trips; /delete-node/ cooling-maps; trips { cpu_alert_almost_warm: cpu_alert_almost_warm { temperature = <63000>; /* millicelsius */ hysteresis = <2000>; /* millicelsius */ type = "passive"; }; cpu_alert_warm: cpu_alert_warm { temperature = <65000>; /* millicelsius */ hysteresis = <2000>; /* millicelsius */ type = "passive"; }; cpu_alert_almost_hot: cpu_alert_almost_hot { temperature = <80000>; /* millicelsius */ hysteresis = <2000>; /* millicelsius */ type = "passive"; }; cpu_alert_hot: cpu_alert_hot { temperature = <82000>; /* millicelsius */ hysteresis = <2000>; /* millicelsius */ type = "passive"; }; cpu_alert_hotter: cpu_alert_hotter { temperature = <84000>; /* millicelsius */ hysteresis = <2000>; /* millicelsius */ type = "passive"; }; cpu_alert_very_hot: cpu_alert_very_hot { temperature = <85000>; /* millicelsius */ hysteresis = <2000>; /* millicelsius */ type = "passive"; }; cpu_crit: cpu_crit { temperature = <90000>; /* millicelsius */ hysteresis = <2000>; /* millicelsius */ type = "critical"; }; }; cooling-maps { /* * After 1st level, throttle the CPU down to as low as 1.4 GHz * and don't let the GPU go faster than 400 MHz. Note that we * won't throttle the GPU lower than 400 MHz due to CPU * heat--we'll let the GPU do the rest itself. */ cpu_warm_limit_cpu { trip = <&cpu_alert_warm>; cooling-device = <&cpu0 THERMAL_NO_LIMIT 4>; }; /* * Add some discrete steps to help throttling system deal * with the fact that there are two passive cooling devices: * the CPU and the GPU. * * - 1.2 GHz - 1.0 GHz (almost hot) * - 800 MHz (hot) * - 800 MHz - 696 MHz (hotter) * - 696 MHz - min (very hot) * * Note: * - 800 MHz appears to be a "sweet spot" for me. I can run * some pretty serious workload here and be happy. * - After 696 MHz we stop lowering voltage, so throttling * past there is less effective. */ cpu_almost_hot_limit_cpu { trip = <&cpu_alert_almost_hot>; cooling-device = <&cpu0 5 6>; }; cpu_hot_limit_cpu { trip = <&cpu_alert_hot>; cooling-device = <&cpu0 7 7>; }; cpu_hotter_limit_cpu { trip = <&cpu_alert_hotter>; cooling-device = <&cpu0 7 8>; }; cpu_very_hot_limit_cpu { trip = <&cpu_alert_very_hot>; cooling-device = <&cpu0 8 THERMAL_NO_LIMIT>; }; }; }; &emmc { /delete-property/mmc-hs200-1_8v; }; &i2c2 { status = "disabled"; }; &i2c4 { status = "disabled"; }; &i2s { status = "okay"; clock-names = "i2s_hclk", "i2s_clk", "i2s_clk_out"; clocks = <&cru HCLK_I2S0>, <&cru SCLK_I2S0>, <&cru SCLK_I2S0_OUT>; }; &rk808 { pinctrl-names = "default"; pinctrl-0 = <&pmic_int_l &dvs_1 &dvs_2>; dvs-gpios = <&gpio7 RK_PB4 GPIO_ACTIVE_HIGH>, <&gpio7 RK_PB7 GPIO_ACTIVE_HIGH>; /delete-property/ vcc6-supply; /delete-property/ vcc12-supply; vcc11-supply = <&vcc33_sys>; regulators { /* vcc33_io is sourced directly from vcc33_sys */ /delete-node/ LDO_REG1; /delete-node/ LDO_REG7; /* This is not a pwren anymore, but the real power supply */ vdd10_lcd: LDO_REG7 { regulator-always-on; regulator-boot-on; regulator-min-microvolt = <1000000>; regulator-max-microvolt = <1000000>; regulator-name = "vdd10_lcd"; regulator-suspend-mem-disabled; }; vcc18_lcd: LDO_REG8 { regulator-always-on; regulator-boot-on; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; regulator-name = "vcc18_lcd"; regulator-suspend-mem-disabled; }; }; }; &pinctrl { hdmi { power_hdmi_on: power-hdmi-on { rockchip,pins = <7 11 RK_FUNC_GPIO &pcfg_pull_none>; }; }; pmic { dvs_1: dvs-1 { rockchip,pins = <7 12 RK_FUNC_GPIO &pcfg_pull_down>; }; dvs_2: dvs-2 { rockchip,pins = <7 15 RK_FUNC_GPIO &pcfg_pull_down>; }; }; }; &usb_host0_ehci { status = "disabled"; }; &usb_host1 { status = "disabled"; }; &vcc50_hdmi { enable-active-high; gpio = <&gpio7 RK_PB3 GPIO_ACTIVE_HIGH>; pinctrl-names = "default"; pinctrl-0 = <&power_hdmi_on>; };