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};