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1/*
2 * Google Gru-Kevin Rev 6+ board device tree source
3 *
4 * Copyright 2016-2017 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 "rk3399-gru.dtsi"
47#include <dt-bindings/input/linux-event-codes.h>
48
49/*
50 * Kevin-specific things
51 *
52 * Things in this section should use names from Kevin schematic since no
53 * equivalent exists in Gru schematic. If referring to signals that exist
54 * in Gru we use the Gru names, though. Confusing enough for you?
55 */
56/ {
57 model = "Google Kevin";
58 compatible = "google,kevin-rev15", "google,kevin-rev14",
59 "google,kevin-rev13", "google,kevin-rev12",
60 "google,kevin-rev11", "google,kevin-rev10",
61 "google,kevin-rev9", "google,kevin-rev8",
62 "google,kevin-rev7", "google,kevin-rev6",
63 "google,kevin", "google,gru", "rockchip,rk3399";
64
65 /* Power tree */
66
67 p3_3v_dig: p3-3v-dig {
68 compatible = "regulator-fixed";
69 regulator-name = "p3.3v_dig";
70 pinctrl-names = "default";
71 pinctrl-0 = <&cpu3_pen_pwr_en>;
72
73 enable-active-high;
74 gpio = <&gpio4 30 GPIO_ACTIVE_HIGH>;
75 vin-supply = <&pp3300>;
76 };
77
78 backlight: backlight {
79 compatible = "pwm-backlight";
80 pwms = <&cros_ec_pwm 1>;
81 brightness-levels = <0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
82 17 18 19 20 21 22 23 24 25 26 27 28 29 30
83 31 32 33 34 35 36 37 38 39 40 41 42 43 44
84 45 46 47 48 49 50 51 52 53 54 55 56 57 58
85 59 60 61 62 63 64 65 66 67 68 69 70 71 72
86 73 74 75 76 77 78 79 80 81 82 83 84 85 86
87 87 88 89 90 91 92 93 94 95 96 97 98 99 100>;
88 default-brightness-level = <51>;
89 enable-gpios = <&gpio1 17 GPIO_ACTIVE_HIGH>;
90 power-supply = <&pp3300_disp>;
91 pinctrl-names = "default";
92 pinctrl-0 = <&bl_en>;
93 pwm-delay-us = <10000>;
94 };
95
96 edp_panel: edp-panel {
97 compatible = "sharp,lq123p1jx31", "simple-panel";
98 backlight = <&backlight>;
99 power-supply = <&pp3300_disp>;
100
101 ports {
102 panel_in_edp: endpoint {
103 remote-endpoint = <&edp_out_panel>;
104 };
105 };
106 };
107
108 thermistor_ppvar_bigcpu: thermistor-ppvar-bigcpu {
109 compatible = "murata,ncp15wb473";
110 pullup-uv = <1800000>;
111 pullup-ohm = <25500>;
112 pulldown-ohm = <0>;
113 io-channels = <&saradc 2>;
114 #thermal-sensor-cells = <0>;
115 };
116
117 thermistor_ppvar_litcpu: thermistor-ppvar-litcpu {
118 compatible = "murata,ncp15wb473";
119 pullup-uv = <1800000>;
120 pullup-ohm = <25500>;
121 pulldown-ohm = <0>;
122 io-channels = <&saradc 3>;
123 #thermal-sensor-cells = <0>;
124 };
125};
126
127&gpio_keys {
128 pinctrl-names = "default";
129 pinctrl-0 = <&bt_host_wake_l>, <&cpu1_pen_eject>;
130
131 pen-insert {
132 label = "Pen Insert";
133 /* Insert = low, eject = high */
134 gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
135 linux,code = <SW_PEN_INSERTED>;
136 linux,input-type = <EV_SW>;
137 wakeup-source;
138 };
139};
140
141&thermal_zones {
142 bigcpu_reg_thermal: bigcpu-reg-thermal {
143 polling-delay-passive = <100>; /* milliseconds */
144 polling-delay = <1000>; /* milliseconds */
145 thermal-sensors = <&thermistor_ppvar_bigcpu 0>;
146 sustainable-power = <4000>;
147
148 ppvar_bigcpu_trips: trips {
149 ppvar_bigcpu_on: ppvar-bigcpu-on {
150 temperature = <40000>; /* millicelsius */
151 hysteresis = <2000>; /* millicelsius */
152 type = "passive";
153 };
154
155 ppvar_bigcpu_alert: ppvar-bigcpu-alert {
156 temperature = <50000>; /* millicelsius */
157 hysteresis = <2000>; /* millicelsius */
158 type = "passive";
159 };
160
161 ppvar_bigcpu_crit: ppvar-bigcpu-crit {
162 temperature = <90000>; /* millicelsius */
163 hysteresis = <0>; /* millicelsius */
164 type = "critical";
165 };
166 };
167
168 cooling-maps {
169 map0 {
170 trip = <&ppvar_bigcpu_alert>;
171 cooling-device =
172 <&cpu_l0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
173 contribution = <4096>;
174 };
175 map1 {
176 trip = <&ppvar_bigcpu_alert>;
177 cooling-device =
178 <&cpu_b0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
179 contribution = <1024>;
180 };
181 };
182 };
183
184 litcpu_reg_thermal: litcpu-reg-thermal {
185 polling-delay-passive = <100>; /* milliseconds */
186 polling-delay = <1000>; /* milliseconds */
187 thermal-sensors = <&thermistor_ppvar_litcpu 0>;
188 sustainable-power = <4000>;
189
190 ppvar_litcpu_trips: trips {
191 ppvar_litcpu_on: ppvar-litcpu-on {
192 temperature = <40000>; /* millicelsius */
193 hysteresis = <2000>; /* millicelsius */
194 type = "passive";
195 };
196
197 ppvar_litcpu_alert: ppvar-litcpu-alert {
198 temperature = <50000>; /* millicelsius */
199 hysteresis = <2000>; /* millicelsius */
200 type = "passive";
201 };
202
203 ppvar_litcpu_crit: ppvar-litcpu-crit {
204 temperature = <90000>; /* millicelsius */
205 hysteresis = <0>; /* millicelsius */
206 type = "critical";
207 };
208 };
209 };
210};
211
212ap_i2c_tpm: &i2c0 {
213 status = "okay";
214
215 clock-frequency = <400000>;
216
217 /* These are relatively safe rise/fall times. */
218 i2c-scl-falling-time-ns = <50>;
219 i2c-scl-rising-time-ns = <300>;
220
221 tpm: tpm@20 {
222 compatible = "infineon,slb9645tt";
223 reg = <0x20>;
224 powered-while-suspended;
225 };
226};
227
228ap_i2c_dig: &i2c2 {
229 status = "okay";
230
231 clock-frequency = <400000>;
232
233 /* These are relatively safe rise/fall times. */
234 i2c-scl-falling-time-ns = <50>;
235 i2c-scl-rising-time-ns = <300>;
236
237 digitizer: digitizer@9 {
238 /* wacom,w9013 */
239 compatible = "hid-over-i2c";
240 reg = <0x9>;
241 pinctrl-names = "default";
242 pinctrl-0 = <&cpu1_dig_irq_l &cpu1_dig_pdct_l>;
243
244 vdd-supply = <&p3_3v_dig>;
245 post-power-on-delay-ms = <100>;
246
247 interrupt-parent = <&gpio2>;
248 interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
249
250 hid-descr-addr = <0x1>;
251 };
252};
253
254/* Adjustments to things in the gru baseboard */
255
256&ap_i2c_tp {
257 trackpad@4a {
258 compatible = "atmel,atmel_mxt_tp";
259 reg = <0x4a>;
260 pinctrl-names = "default";
261 pinctrl-0 = <&trackpad_int_l>;
262 interrupt-parent = <&gpio1>;
263 interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
264 linux,gpio-keymap = <KEY_RESERVED
265 KEY_RESERVED
266 KEY_RESERVED
267 BTN_LEFT>;
268 wakeup-source;
269 };
270};
271
272&ap_i2c_ts {
273 touchscreen@4b {
274 compatible = "atmel,atmel_mxt_ts";
275 reg = <0x4b>;
276 pinctrl-names = "default";
277 pinctrl-0 = <&touch_int_l>;
278 interrupt-parent = <&gpio3>;
279 interrupts = <13 IRQ_TYPE_LEVEL_LOW>;
280 };
281};
282
283&edp {
284 status = "okay";
285
286 ports {
287 edp_out: port@1 {
288 reg = <1>;
289 #address-cells = <1>;
290 #size-cells = <0>;
291
292 edp_out_panel: endpoint@0 {
293 reg = <0>;
294 remote-endpoint = <&panel_in_edp>;
295 };
296 };
297 };
298};
299
300&ppvar_bigcpu_pwm {
301 regulator-min-microvolt = <798674>;
302 regulator-max-microvolt = <1302172>;
303};
304
305&ppvar_bigcpu {
306 regulator-min-microvolt = <798674>;
307 regulator-max-microvolt = <1302172>;
308 ctrl-voltage-range = <798674 1302172>;
309};
310
311&ppvar_litcpu_pwm {
312 regulator-min-microvolt = <799065>;
313 regulator-max-microvolt = <1303738>;
314};
315
316&ppvar_litcpu {
317 regulator-min-microvolt = <799065>;
318 regulator-max-microvolt = <1303738>;
319 ctrl-voltage-range = <799065 1303738>;
320};
321
322&ppvar_gpu_pwm {
323 regulator-min-microvolt = <785782>;
324 regulator-max-microvolt = <1217729>;
325};
326
327&ppvar_gpu {
328 regulator-min-microvolt = <785782>;
329 regulator-max-microvolt = <1217729>;
330 ctrl-voltage-range = <785782 1217729>;
331};
332
333&ppvar_centerlogic_pwm {
334 regulator-min-microvolt = <800069>;
335 regulator-max-microvolt = <1049692>;
336};
337
338&ppvar_centerlogic {
339 regulator-min-microvolt = <800069>;
340 regulator-max-microvolt = <1049692>;
341 ctrl-voltage-range = <800069 1049692>;
342};
343
344&saradc {
345 status = "okay";
346 vref-supply = <&pp1800_ap_io>;
347};
348
349&mvl_wifi {
350 marvell,wakeup-pin = <14>; /* GPIO_14 on Marvell */
351};
352
353&pinctrl {
354 digitizer {
355 /* Has external pullup */
356 cpu1_dig_irq_l: cpu1-dig-irq-l {
357 rockchip,pins = <2 4 RK_FUNC_GPIO &pcfg_pull_none>;
358 };
359
360 /* Has external pullup */
361 cpu1_dig_pdct_l: cpu1-dig-pdct-l {
362 rockchip,pins = <2 5 RK_FUNC_GPIO &pcfg_pull_none>;
363 };
364 };
365
366 discrete-regulators {
367 cpu3_pen_pwr_en: cpu3-pen-pwr-en {
368 rockchip,pins = <4 30 RK_FUNC_GPIO &pcfg_pull_none>;
369 };
370 };
371
372 pen {
373 cpu1_pen_eject: cpu1-pen-eject {
374 rockchip,pins = <0 13 RK_FUNC_GPIO &pcfg_pull_up>;
375 };
376 };
377
378 wifi {
379 wlan_host_wake_l: wlan-host-wake-l {
380 rockchip,pins = <0 8 RK_FUNC_GPIO &pcfg_pull_none>;
381 };
382 };
383};