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fce152a6 | 1 | // SPDX-License-Identifier: (GPL-2.0+ OR MIT) |
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2 | /* |
3 | * Google Veyron Mickey Rev 0 board device tree source | |
4 | * | |
5 | * Copyright 2015 Google, Inc | |
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6 | */ |
7 | ||
8 | /dts-v1/; | |
9 | #include "rk3288-veyron.dtsi" | |
10 | ||
11 | / { | |
12 | model = "Google Mickey"; | |
13 | compatible = "google,veyron-mickey-rev8", "google,veyron-mickey-rev7", | |
14 | "google,veyron-mickey-rev6", "google,veyron-mickey-rev5", | |
15 | "google,veyron-mickey-rev4", "google,veyron-mickey-rev3", | |
16 | "google,veyron-mickey-rev2", "google,veyron-mickey-rev1", | |
17 | "google,veyron-mickey-rev0", "google,veyron-mickey", | |
18 | "google,veyron", "rockchip,rk3288"; | |
19 | ||
20 | vcc_5v: vcc-5v { | |
21 | vin-supply = <&vcc33_sys>; | |
22 | }; | |
23 | ||
24 | vcc33_io: vcc33_io { | |
25 | compatible = "regulator-fixed"; | |
26 | regulator-name = "vcc33_io"; | |
27 | regulator-always-on; | |
28 | regulator-boot-on; | |
29 | vin-supply = <&vcc33_sys>; | |
30 | }; | |
31 | }; | |
32 | ||
33 | &cpu_thermal { | |
34 | /delete-node/ trips; | |
35 | /delete-node/ cooling-maps; | |
36 | ||
37 | trips { | |
38 | cpu_alert_almost_warm: cpu_alert_almost_warm { | |
39 | temperature = <63000>; /* millicelsius */ | |
40 | hysteresis = <2000>; /* millicelsius */ | |
41 | type = "passive"; | |
42 | }; | |
43 | cpu_alert_warm: cpu_alert_warm { | |
44 | temperature = <65000>; /* millicelsius */ | |
45 | hysteresis = <2000>; /* millicelsius */ | |
46 | type = "passive"; | |
47 | }; | |
48 | cpu_alert_almost_hot: cpu_alert_almost_hot { | |
49 | temperature = <80000>; /* millicelsius */ | |
50 | hysteresis = <2000>; /* millicelsius */ | |
51 | type = "passive"; | |
52 | }; | |
53 | cpu_alert_hot: cpu_alert_hot { | |
54 | temperature = <82000>; /* millicelsius */ | |
55 | hysteresis = <2000>; /* millicelsius */ | |
56 | type = "passive"; | |
57 | }; | |
58 | cpu_alert_hotter: cpu_alert_hotter { | |
59 | temperature = <84000>; /* millicelsius */ | |
60 | hysteresis = <2000>; /* millicelsius */ | |
61 | type = "passive"; | |
62 | }; | |
63 | cpu_alert_very_hot: cpu_alert_very_hot { | |
64 | temperature = <85000>; /* millicelsius */ | |
65 | hysteresis = <2000>; /* millicelsius */ | |
66 | type = "passive"; | |
67 | }; | |
68 | cpu_crit: cpu_crit { | |
69 | temperature = <90000>; /* millicelsius */ | |
70 | hysteresis = <2000>; /* millicelsius */ | |
71 | type = "critical"; | |
72 | }; | |
73 | }; | |
74 | ||
75 | cooling-maps { | |
76 | /* | |
77 | * After 1st level, throttle the CPU down to as low as 1.4 GHz | |
78 | * and don't let the GPU go faster than 400 MHz. Note that we | |
79 | * won't throttle the GPU lower than 400 MHz due to CPU | |
80 | * heat--we'll let the GPU do the rest itself. | |
81 | */ | |
82 | cpu_warm_limit_cpu { | |
83 | trip = <&cpu_alert_warm>; | |
99935bd4 VK |
84 | cooling-device = <&cpu0 THERMAL_NO_LIMIT 4>, |
85 | <&cpu1 THERMAL_NO_LIMIT 4>, | |
86 | <&cpu2 THERMAL_NO_LIMIT 4>, | |
87 | <&cpu3 THERMAL_NO_LIMIT 4>; | |
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88 | }; |
89 | ||
90 | /* | |
91 | * Add some discrete steps to help throttling system deal | |
92 | * with the fact that there are two passive cooling devices: | |
93 | * the CPU and the GPU. | |
94 | * | |
95 | * - 1.2 GHz - 1.0 GHz (almost hot) | |
96 | * - 800 MHz (hot) | |
97 | * - 800 MHz - 696 MHz (hotter) | |
98 | * - 696 MHz - min (very hot) | |
99 | * | |
100 | * Note: | |
101 | * - 800 MHz appears to be a "sweet spot" for me. I can run | |
102 | * some pretty serious workload here and be happy. | |
103 | * - After 696 MHz we stop lowering voltage, so throttling | |
104 | * past there is less effective. | |
105 | */ | |
106 | cpu_almost_hot_limit_cpu { | |
107 | trip = <&cpu_alert_almost_hot>; | |
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108 | cooling-device = <&cpu0 5 6>, <&cpu1 5 6>, <&cpu2 5 6>, |
109 | <&cpu3 5 6>; | |
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110 | }; |
111 | cpu_hot_limit_cpu { | |
112 | trip = <&cpu_alert_hot>; | |
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113 | cooling-device = <&cpu0 7 7>, <&cpu1 7 7>, <&cpu2 7 7>, |
114 | <&cpu3 7 7>; | |
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115 | }; |
116 | cpu_hotter_limit_cpu { | |
117 | trip = <&cpu_alert_hotter>; | |
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118 | cooling-device = <&cpu0 7 8>, <&cpu1 7 8>, <&cpu2 7 8>, |
119 | <&cpu3 7 8>; | |
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120 | }; |
121 | cpu_very_hot_limit_cpu { | |
122 | trip = <&cpu_alert_very_hot>; | |
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123 | cooling-device = <&cpu0 8 THERMAL_NO_LIMIT>, |
124 | <&cpu1 8 THERMAL_NO_LIMIT>, | |
125 | <&cpu2 8 THERMAL_NO_LIMIT>, | |
126 | <&cpu3 8 THERMAL_NO_LIMIT>; | |
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127 | }; |
128 | }; | |
129 | }; | |
130 | ||
131 | &emmc { | |
132 | /delete-property/mmc-hs200-1_8v; | |
133 | }; | |
134 | ||
135 | &i2c2 { | |
136 | status = "disabled"; | |
137 | }; | |
138 | ||
139 | &i2c4 { | |
140 | status = "disabled"; | |
141 | }; | |
142 | ||
143 | &i2s { | |
144 | status = "okay"; | |
145 | clock-names = "i2s_hclk", "i2s_clk", "i2s_clk_out"; | |
146 | clocks = <&cru HCLK_I2S0>, <&cru SCLK_I2S0>, <&cru SCLK_I2S0_OUT>; | |
147 | }; | |
148 | ||
149 | &rk808 { | |
150 | pinctrl-names = "default"; | |
151 | pinctrl-0 = <&pmic_int_l &dvs_1 &dvs_2>; | |
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152 | dvs-gpios = <&gpio7 RK_PB4 GPIO_ACTIVE_HIGH>, |
153 | <&gpio7 RK_PB7 GPIO_ACTIVE_HIGH>; | |
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154 | |
155 | /delete-property/ vcc6-supply; | |
156 | /delete-property/ vcc12-supply; | |
157 | ||
158 | vcc11-supply = <&vcc33_sys>; | |
159 | ||
160 | regulators { | |
161 | /* vcc33_io is sourced directly from vcc33_sys */ | |
162 | /delete-node/ LDO_REG1; | |
163 | /delete-node/ LDO_REG7; | |
164 | ||
165 | /* This is not a pwren anymore, but the real power supply */ | |
166 | vdd10_lcd: LDO_REG7 { | |
167 | regulator-always-on; | |
168 | regulator-boot-on; | |
169 | regulator-min-microvolt = <1000000>; | |
170 | regulator-max-microvolt = <1000000>; | |
171 | regulator-name = "vdd10_lcd"; | |
172 | regulator-suspend-mem-disabled; | |
173 | }; | |
174 | ||
175 | vcc18_lcd: LDO_REG8 { | |
176 | regulator-always-on; | |
177 | regulator-boot-on; | |
178 | regulator-min-microvolt = <1800000>; | |
179 | regulator-max-microvolt = <1800000>; | |
180 | regulator-name = "vcc18_lcd"; | |
181 | regulator-suspend-mem-disabled; | |
182 | }; | |
183 | }; | |
184 | }; | |
185 | ||
186 | &pinctrl { | |
187 | hdmi { | |
188 | power_hdmi_on: power-hdmi-on { | |
07f08d9c | 189 | rockchip,pins = <7 RK_PB3 RK_FUNC_GPIO &pcfg_pull_none>; |
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190 | }; |
191 | }; | |
192 | ||
193 | pmic { | |
194 | dvs_1: dvs-1 { | |
07f08d9c | 195 | rockchip,pins = <7 RK_PB4 RK_FUNC_GPIO &pcfg_pull_down>; |
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196 | }; |
197 | ||
198 | dvs_2: dvs-2 { | |
07f08d9c | 199 | rockchip,pins = <7 RK_PB7 RK_FUNC_GPIO &pcfg_pull_down>; |
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200 | }; |
201 | }; | |
202 | }; | |
203 | ||
204 | &usb_host0_ehci { | |
205 | status = "disabled"; | |
206 | }; | |
207 | ||
208 | &usb_host1 { | |
209 | status = "disabled"; | |
210 | }; | |
211 | ||
212 | &vcc50_hdmi { | |
213 | enable-active-high; | |
e9e79d53 | 214 | gpio = <&gpio7 RK_PB3 GPIO_ACTIVE_HIGH>; |
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215 | pinctrl-names = "default"; |
216 | pinctrl-0 = <&power_hdmi_on>; | |
217 | }; |