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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-chromebook.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 | &dmc { | |
165 | rockchip,pctl-timing = <0x215 0xc8 0x0 0x35 0x26 0x2 0x70 0x2000d | |
166 | 0x6 0x0 0x8 0x4 0x17 0x24 0xd 0x6 | |
167 | 0x4 0x8 0x4 0x76 0x4 0x0 0x30 0x0 | |
168 | 0x1 0x2 0x2 0x4 0x0 0x0 0xc0 0x4 | |
169 | 0x8 0x1f4>; | |
170 | rockchip,phy-timing = <0x48d7dd93 0x187008d8 0x121076 | |
171 | 0x0 0xc3 0x6 0x2>; | |
172 | rockchip,sdram-params = <0x20d266a4 0x5b6 2 533000000 6 9 1>; | |
173 | }; | |
174 | ||
175 | &emmc { | |
176 | /delete-property/mmc-hs200-1_8v; | |
177 | }; | |
178 | ||
179 | &i2c2 { | |
180 | status = "disabled"; | |
181 | }; | |
182 | ||
183 | &i2c4 { | |
184 | status = "disabled"; | |
185 | }; | |
186 | ||
187 | &i2s { | |
188 | status = "okay"; | |
189 | clock-names = "i2s_hclk", "i2s_clk", "i2s_clk_out"; | |
190 | clocks = <&cru HCLK_I2S0>, <&cru SCLK_I2S0>, <&cru SCLK_I2S0_OUT>; | |
191 | }; | |
192 | ||
193 | &rk808 { | |
194 | pinctrl-names = "default"; | |
195 | pinctrl-0 = <&pmic_int_l &dvs_1 &dvs_2>; | |
196 | dvs-gpios = <&gpio7 12 GPIO_ACTIVE_HIGH>, | |
197 | <&gpio7 15 GPIO_ACTIVE_HIGH>; | |
198 | ||
199 | /delete-property/ vcc6-supply; | |
200 | /delete-property/ vcc12-supply; | |
201 | ||
202 | vcc11-supply = <&vcc33_sys>; | |
203 | ||
204 | regulators { | |
205 | /* vcc33_io is sourced directly from vcc33_sys */ | |
206 | /delete-node/ LDO_REG1; | |
207 | /delete-node/ LDO_REG7; | |
208 | ||
209 | /* This is not a pwren anymore, but the real power supply */ | |
210 | vdd10_lcd: LDO_REG7 { | |
211 | regulator-always-on; | |
212 | regulator-boot-on; | |
213 | regulator-min-microvolt = <1000000>; | |
214 | regulator-max-microvolt = <1000000>; | |
215 | regulator-name = "vdd10_lcd"; | |
216 | regulator-suspend-mem-disabled; | |
217 | }; | |
218 | ||
219 | vcc18_lcd: LDO_REG8 { | |
220 | regulator-always-on; | |
221 | regulator-boot-on; | |
222 | regulator-min-microvolt = <1800000>; | |
223 | regulator-max-microvolt = <1800000>; | |
224 | regulator-name = "vcc18_lcd"; | |
225 | regulator-suspend-mem-disabled; | |
226 | }; | |
227 | }; | |
228 | }; | |
229 | ||
230 | &pinctrl { | |
231 | hdmi { | |
232 | power_hdmi_on: power-hdmi-on { | |
233 | rockchip,pins = <7 11 RK_FUNC_GPIO &pcfg_pull_none>; | |
234 | }; | |
235 | }; | |
236 | ||
237 | pmic { | |
238 | dvs_1: dvs-1 { | |
239 | rockchip,pins = <7 12 RK_FUNC_GPIO &pcfg_pull_down>; | |
240 | }; | |
241 | ||
242 | dvs_2: dvs-2 { | |
243 | rockchip,pins = <7 15 RK_FUNC_GPIO &pcfg_pull_down>; | |
244 | }; | |
245 | }; | |
246 | }; | |
247 | ||
248 | &sdmmc { | |
249 | status = "disabled"; | |
250 | }; | |
251 | ||
252 | &sdio0 { | |
253 | status = "disabled"; | |
254 | }; | |
255 | ||
256 | &sdmmc { | |
257 | status = "disabled"; | |
258 | }; | |
259 | ||
260 | &spi0 { | |
261 | status = "disabled"; | |
262 | }; | |
263 | ||
264 | &usb_host0_ehci { | |
265 | status = "disabled"; | |
266 | }; | |
267 | ||
268 | &usb_host1 { | |
269 | status = "disabled"; | |
270 | }; | |
271 | ||
272 | &vcc50_hdmi { | |
273 | enable-active-high; | |
274 | gpio = <&gpio7 11 GPIO_ACTIVE_HIGH>; | |
275 | pinctrl-names = "default"; | |
276 | pinctrl-0 = <&power_hdmi_on>; | |
277 | }; |