1/*
2 * Google Veyron Minnie 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 Minnie";
50	compatible = "google,veyron-minnie-rev4", "google,veyron-minnie-rev3",
51		     "google,veyron-minnie-rev2", "google,veyron-minnie-rev1",
52		     "google,veyron-minnie-rev0", "google,veyron-minnie",
53		     "google,veyron", "rockchip,rk3288";
54
55	backlight_regulator: backlight-regulator {
56		compatible = "regulator-fixed";
57		enable-active-high;
58		gpio = <&gpio2 12 GPIO_ACTIVE_HIGH>;
59		pinctrl-names = "default";
60		pinctrl-0 = <&bl_pwr_en>;
61		regulator-name = "backlight_regulator";
62		vin-supply = <&vcc33_sys>;
63		startup-delay-us = <15000>;
64	};
65
66	panel_regulator: panel-regulator {
67		compatible = "regulator-fixed";
68		enable-active-high;
69		gpio = <&gpio7 14 GPIO_ACTIVE_HIGH>;
70		pinctrl-names = "default";
71		pinctrl-0 = <&lcd_enable_h>;
72		regulator-name = "panel_regulator";
73		startup-delay-us = <100000>;
74		vin-supply = <&vcc33_sys>;
75	};
76
77	vcc18_lcd: vcc18-lcd {
78		compatible = "regulator-fixed";
79		enable-active-high;
80		gpio = <&gpio2 13 GPIO_ACTIVE_HIGH>;
81		pinctrl-names = "default";
82		pinctrl-0 = <&avdd_1v8_disp_en>;
83		regulator-name = "vcc18_lcd";
84		regulator-always-on;
85		regulator-boot-on;
86		vin-supply = <&vcc18_wl>;
87	};
88};
89
90&backlight {
91	/* Minnie panel PWM must be >= 1%, so start non-zero brightness at 3 */
92	brightness-levels = <
93			  0   3   4   5   6   7
94			  8   9  10  11  12  13  14  15
95			 16  17  18  19  20  21  22  23
96			 24  25  26  27  28  29  30  31
97			 32  33  34  35  36  37  38  39
98			 40  41  42  43  44  45  46  47
99			 48  49  50  51  52  53  54  55
100			 56  57  58  59  60  61  62  63
101			 64  65  66  67  68  69  70  71
102			 72  73  74  75  76  77  78  79
103			 80  81  82  83  84  85  86  87
104			 88  89  90  91  92  93  94  95
105			 96  97  98  99 100 101 102 103
106			104 105 106 107 108 109 110 111
107			112 113 114 115 116 117 118 119
108			120 121 122 123 124 125 126 127
109			128 129 130 131 132 133 134 135
110			136 137 138 139 140 141 142 143
111			144 145 146 147 148 149 150 151
112			152 153 154 155 156 157 158 159
113			160 161 162 163 164 165 166 167
114			168 169 170 171 172 173 174 175
115			176 177 178 179 180 181 182 183
116			184 185 186 187 188 189 190 191
117			192 193 194 195 196 197 198 199
118			200 201 202 203 204 205 206 207
119			208 209 210 211 212 213 214 215
120			216 217 218 219 220 221 222 223
121			224 225 226 227 228 229 230 231
122			232 233 234 235 236 237 238 239
123			240 241 242 243 244 245 246 247
124			248 249 250 251 252 253 254 255>;
125	power-supply = <&backlight_regulator>;
126};
127
128&dmc {
129	rockchip,pctl-timing = <0x215 0xc8 0x0 0x35 0x26 0x2 0x70 0x2000d
130		0x6 0x0 0x8 0x4 0x17 0x24 0xd 0x6
131		0x4 0x8 0x4 0x76 0x4 0x0 0x30 0x0
132		0x1 0x2 0x2 0x4 0x0 0x0 0xc0 0x4
133		0x8 0x1f4>;
134	rockchip,phy-timing = <0x48d7dd93 0x187008d8 0x121076
135		0x0 0xc3 0x6 0x1>;
136	rockchip,sdram-params = <0x20d266a4 0x5b6 6 533000000 6 13 0>;
137};
138
139&emmc {
140	/delete-property/mmc-hs200-1_8v;
141};
142
143&gpio_keys {
144	pinctrl-0 = <&pwr_key_h &ap_lid_int_l &volum_down_l &volum_up_l>;
145
146	volum_down {
147		label = "Volum_down";
148		gpios = <&gpio5 11 GPIO_ACTIVE_LOW>;
149		linux,code = <KEY_VOLUMEDOWN>;
150		debounce-interval = <100>;
151	};
152
153	volum_up {
154		label = "Volum_up";
155		gpios = <&gpio5 10 GPIO_ACTIVE_LOW>;
156		linux,code = <KEY_VOLUMEUP>;
157		debounce-interval = <100>;
158	};
159};
160
161&i2c_tunnel {
162	battery: bq27500@55 {
163		compatible = "ti,bq27500";
164		reg = <0x55>;
165	};
166};
167
168&i2c3 {
169	status = "okay";
170
171	clock-frequency = <400000>;
172	i2c-scl-falling-time-ns = <50>;
173	i2c-scl-rising-time-ns = <300>;
174
175	touchscreen@10 {
176		compatible = "elan,ekth3500";
177		reg = <0x10>;
178		interrupt-parent = <&gpio2>;
179		interrupts = <14 IRQ_TYPE_EDGE_FALLING>;
180		pinctrl-names = "default";
181		pinctrl-0 = <&touch_int &touch_rst>;
182		reset-gpios = <&gpio2 15 GPIO_ACTIVE_LOW>;
183		vcc33-supply = <&vcc33_touch>;
184		vccio-supply = <&vcc33_touch>;
185	};
186};
187
188&panel {
189	compatible = "auo,b101ean01", "simple-panel";
190	power-supply= <&panel_regulator>;
191};
192
193&rk808 {
194	pinctrl-names = "default";
195	pinctrl-0 = <&pmic_int_l &dvs_1 &dvs_2>;
196
197	regulators {
198		vcc33_touch: LDO_REG2 {
199			regulator-min-microvolt = <3300000>;
200			regulator-max-microvolt = <3300000>;
201			regulator-name = "vcc33_touch";
202			regulator-state-mem {
203				regulator-off-in-suspend;
204			};
205		};
206
207		vcc5v_touch: SWITCH_REG2 {
208			regulator-name = "vcc5v_touch";
209			regulator-state-mem {
210				regulator-off-in-suspend;
211			};
212		};
213	};
214};
215
216&sdmmc {
217	disable-wp;
218	pinctrl-names = "default";
219	pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_cd_disabled &sdmmc_cd_gpio
220			&sdmmc_bus4>;
221};
222
223&vcc_5v {
224	enable-active-high;
225	gpio = <&gpio7 21 GPIO_ACTIVE_HIGH>;
226	pinctrl-names = "default";
227	pinctrl-0 = <&drv_5v>;
228};
229
230&vcc50_hdmi {
231	enable-active-high;
232	gpio = <&gpio5 19 GPIO_ACTIVE_HIGH>;
233	pinctrl-names = "default";
234	pinctrl-0 = <&vcc50_hdmi_en>;
235};
236
237&pinctrl {
238	backlight {
239		bl_pwr_en: bl_pwr_en {
240			rockchip,pins = <2 12 RK_FUNC_GPIO &pcfg_pull_none>;
241		};
242	};
243
244	buck-5v {
245		drv_5v: drv-5v {
246			rockchip,pins = <7 21 RK_FUNC_GPIO &pcfg_pull_none>;
247		};
248	};
249
250	buttons {
251		volum_down_l: volum-down-l {
252			rockchip,pins = <5 11 RK_FUNC_GPIO &pcfg_pull_up>;
253		};
254
255		volum_up_l: volum-up-l {
256			rockchip,pins = <5 10 RK_FUNC_GPIO &pcfg_pull_up>;
257		};
258	};
259
260	hdmi {
261		vcc50_hdmi_en: vcc50-hdmi-en {
262			rockchip,pins = <5 19 RK_FUNC_GPIO &pcfg_pull_none>;
263		};
264	};
265
266	lcd {
267		lcd_enable_h: lcd-en {
268			rockchip,pins = <7 14 RK_FUNC_GPIO &pcfg_pull_none>;
269		};
270
271		avdd_1v8_disp_en: avdd-1v8-disp-en {
272			rockchip,pins = <2 13 RK_FUNC_GPIO &pcfg_pull_none>;
273		};
274	};
275
276	pmic {
277		dvs_1: dvs-1 {
278			rockchip,pins = <7 12 RK_FUNC_GPIO &pcfg_pull_down>;
279		};
280
281		dvs_2: dvs-2 {
282			rockchip,pins = <7 15 RK_FUNC_GPIO &pcfg_pull_down>;
283		};
284	};
285
286	prochot {
287		gpio_prochot: gpio-prochot {
288			rockchip,pins = <2 8 RK_FUNC_GPIO &pcfg_pull_none>;
289		};
290	};
291
292	touchscreen {
293		touch_int: touch-int {
294			rockchip,pins = <2 14 RK_FUNC_GPIO &pcfg_pull_none>;
295		};
296
297		touch_rst: touch-rst {
298			rockchip,pins = <2 15 RK_FUNC_GPIO &pcfg_pull_none>;
299		};
300	};
301};
302