1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT) <<
2 /* 1 /*
3 * Google Gru-Kevin Rev 6+ board device tree s 2 * Google Gru-Kevin Rev 6+ board device tree source
4 * 3 *
5 * Copyright 2016-2017 Google, Inc 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.
6 */ 43 */
7 44
8 /dts-v1/; 45 /dts-v1/;
9 #include "rk3399-gru-chromebook.dtsi" !! 46 #include "rk3399-gru.dtsi"
10 #include <dt-bindings/input/linux-event-codes. 47 #include <dt-bindings/input/linux-event-codes.h>
11 48
12 /* 49 /*
13 * Kevin-specific things 50 * Kevin-specific things
14 * 51 *
15 * Things in this section should use names fro 52 * Things in this section should use names from Kevin schematic since no
16 * equivalent exists in Gru schematic. If ref 53 * equivalent exists in Gru schematic. If referring to signals that exist
17 * in Gru we use the Gru names, though. Confu 54 * in Gru we use the Gru names, though. Confusing enough for you?
18 */ 55 */
19 / { 56 / {
20 model = "Google Kevin"; 57 model = "Google Kevin";
21 compatible = "google,kevin-rev15", "go 58 compatible = "google,kevin-rev15", "google,kevin-rev14",
22 "google,kevin-rev13", "go 59 "google,kevin-rev13", "google,kevin-rev12",
23 "google,kevin-rev11", "go 60 "google,kevin-rev11", "google,kevin-rev10",
24 "google,kevin-rev9", "goo 61 "google,kevin-rev9", "google,kevin-rev8",
25 "google,kevin-rev7", "goo 62 "google,kevin-rev7", "google,kevin-rev6",
26 "google,kevin", "google,g 63 "google,kevin", "google,gru", "rockchip,rk3399";
27 chassis-type = "convertible"; <<
28 64
29 /* Power tree */ 65 /* Power tree */
30 66
31 p3_3v_dig: p3-3v-dig { 67 p3_3v_dig: p3-3v-dig {
32 compatible = "regulator-fixed" 68 compatible = "regulator-fixed";
33 regulator-name = "p3.3v_dig"; 69 regulator-name = "p3.3v_dig";
34 pinctrl-names = "default"; 70 pinctrl-names = "default";
35 pinctrl-0 = <&cpu3_pen_pwr_en> 71 pinctrl-0 = <&cpu3_pen_pwr_en>;
36 72
37 enable-active-high; 73 enable-active-high;
38 gpio = <&gpio4 30 GPIO_ACTIVE_ 74 gpio = <&gpio4 30 GPIO_ACTIVE_HIGH>;
39 vin-supply = <&pp3300>; 75 vin-supply = <&pp3300>;
40 }; 76 };
41 77
42 edp_panel: edp-panel { !! 78 backlight: backlight {
43 compatible = "sharp,lq123p1jx3 !! 79 compatible = "pwm-backlight";
44 backlight = <&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>;
45 power-supply = <&pp3300_disp>; 90 power-supply = <&pp3300_disp>;
46 !! 91 pinctrl-names = "default";
47 panel-timing { !! 92 pinctrl-0 = <&bl_en>;
48 clock-frequency = <266 !! 93 pwm-delay-us = <10000>;
49 hactive = <2400>; <<
50 hfront-porch = <48>; <<
51 hback-porch = <84>; <<
52 hsync-len = <32>; <<
53 hsync-active = <0>; <<
54 vactive = <1600>; <<
55 vfront-porch = <3>; <<
56 vback-porch = <120>; <<
57 vsync-len = <10>; <<
58 vsync-active = <0>; <<
59 }; <<
60 <<
61 port { <<
62 panel_in_edp: endpoint <<
63 remote-endpoin <<
64 }; <<
65 }; <<
66 }; 94 };
67 95
68 thermistor_ppvar_bigcpu: thermistor-pp 96 thermistor_ppvar_bigcpu: thermistor-ppvar-bigcpu {
69 compatible = "murata,ncp15wb47 97 compatible = "murata,ncp15wb473";
70 pullup-uv = <1800000>; 98 pullup-uv = <1800000>;
71 pullup-ohm = <25500>; 99 pullup-ohm = <25500>;
72 pulldown-ohm = <0>; 100 pulldown-ohm = <0>;
73 io-channels = <&saradc 2>; 101 io-channels = <&saradc 2>;
74 #thermal-sensor-cells = <0>; 102 #thermal-sensor-cells = <0>;
75 }; 103 };
76 104
77 thermistor_ppvar_litcpu: thermistor-pp 105 thermistor_ppvar_litcpu: thermistor-ppvar-litcpu {
78 compatible = "murata,ncp15wb47 106 compatible = "murata,ncp15wb473";
79 pullup-uv = <1800000>; 107 pullup-uv = <1800000>;
80 pullup-ohm = <25500>; 108 pullup-ohm = <25500>;
81 pulldown-ohm = <0>; 109 pulldown-ohm = <0>;
82 io-channels = <&saradc 3>; 110 io-channels = <&saradc 3>;
83 #thermal-sensor-cells = <0>; 111 #thermal-sensor-cells = <0>;
84 }; 112 };
85 }; 113 };
86 114
87 &backlight { <<
88 pwms = <&cros_ec_pwm 1>; <<
89 }; <<
90 <<
91 &gpio_keys { 115 &gpio_keys {
92 pinctrl-names = "default"; 116 pinctrl-names = "default";
93 pinctrl-0 = <&bt_host_wake_l>, <&cpu1_ 117 pinctrl-0 = <&bt_host_wake_l>, <&cpu1_pen_eject>;
94 118
95 switch-pen-insert { !! 119 pen-insert {
96 label = "Pen Insert"; 120 label = "Pen Insert";
97 /* Insert = low, eject = high 121 /* Insert = low, eject = high */
98 gpios = <&gpio0 13 GPIO_ACTIVE 122 gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
99 linux,code = <SW_PEN_INSERTED> 123 linux,code = <SW_PEN_INSERTED>;
100 linux,input-type = <EV_SW>; 124 linux,input-type = <EV_SW>;
101 wakeup-source; 125 wakeup-source;
102 }; 126 };
103 }; 127 };
104 128
105 &thermal_zones { 129 &thermal_zones {
106 bigcpu_reg_thermal: bigcpu-reg-thermal 130 bigcpu_reg_thermal: bigcpu-reg-thermal {
107 polling-delay-passive = <100>; 131 polling-delay-passive = <100>; /* milliseconds */
108 polling-delay = <1000>; /* mil 132 polling-delay = <1000>; /* milliseconds */
109 thermal-sensors = <&thermistor 133 thermal-sensors = <&thermistor_ppvar_bigcpu 0>;
110 sustainable-power = <4000>; 134 sustainable-power = <4000>;
111 135
112 ppvar_bigcpu_trips: trips { 136 ppvar_bigcpu_trips: trips {
113 ppvar_bigcpu_on: ppvar 137 ppvar_bigcpu_on: ppvar-bigcpu-on {
114 temperature = 138 temperature = <40000>; /* millicelsius */
115 hysteresis = < 139 hysteresis = <2000>; /* millicelsius */
116 type = "passiv 140 type = "passive";
117 }; 141 };
118 142
119 ppvar_bigcpu_alert: pp 143 ppvar_bigcpu_alert: ppvar-bigcpu-alert {
120 temperature = 144 temperature = <50000>; /* millicelsius */
121 hysteresis = < 145 hysteresis = <2000>; /* millicelsius */
122 type = "passiv 146 type = "passive";
123 }; 147 };
124 148
125 ppvar_bigcpu_crit: ppv 149 ppvar_bigcpu_crit: ppvar-bigcpu-crit {
126 temperature = 150 temperature = <90000>; /* millicelsius */
127 hysteresis = < 151 hysteresis = <0>; /* millicelsius */
128 type = "critic 152 type = "critical";
129 }; 153 };
130 }; 154 };
131 155
132 cooling-maps { 156 cooling-maps {
133 map0 { 157 map0 {
134 trip = <&ppvar 158 trip = <&ppvar_bigcpu_alert>;
135 cooling-device 159 cooling-device =
136 <&cpu_ !! 160 <&cpu_l0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
137 <&cpu_ <<
138 <&cpu_ <<
139 <&cpu_ <<
140 contribution = 161 contribution = <4096>;
141 }; 162 };
142 map1 { 163 map1 {
143 trip = <&ppvar 164 trip = <&ppvar_bigcpu_alert>;
144 cooling-device 165 cooling-device =
145 <&cpu_ !! 166 <&cpu_b0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
146 <&cpu_ <<
147 contribution = 167 contribution = <1024>;
148 }; 168 };
149 }; 169 };
150 }; 170 };
151 171
152 litcpu_reg_thermal: litcpu-reg-thermal 172 litcpu_reg_thermal: litcpu-reg-thermal {
153 polling-delay-passive = <100>; 173 polling-delay-passive = <100>; /* milliseconds */
154 polling-delay = <1000>; /* mil 174 polling-delay = <1000>; /* milliseconds */
155 thermal-sensors = <&thermistor 175 thermal-sensors = <&thermistor_ppvar_litcpu 0>;
156 sustainable-power = <4000>; 176 sustainable-power = <4000>;
157 177
158 ppvar_litcpu_trips: trips { 178 ppvar_litcpu_trips: trips {
159 ppvar_litcpu_on: ppvar 179 ppvar_litcpu_on: ppvar-litcpu-on {
160 temperature = 180 temperature = <40000>; /* millicelsius */
161 hysteresis = < 181 hysteresis = <2000>; /* millicelsius */
162 type = "passiv 182 type = "passive";
163 }; 183 };
164 184
165 ppvar_litcpu_alert: pp 185 ppvar_litcpu_alert: ppvar-litcpu-alert {
166 temperature = 186 temperature = <50000>; /* millicelsius */
167 hysteresis = < 187 hysteresis = <2000>; /* millicelsius */
168 type = "passiv 188 type = "passive";
169 }; 189 };
170 190
171 ppvar_litcpu_crit: ppv 191 ppvar_litcpu_crit: ppvar-litcpu-crit {
172 temperature = 192 temperature = <90000>; /* millicelsius */
173 hysteresis = < 193 hysteresis = <0>; /* millicelsius */
174 type = "critic 194 type = "critical";
175 }; 195 };
176 }; 196 };
177 }; 197 };
178 }; 198 };
179 199
180 ap_i2c_tpm: &i2c0 { 200 ap_i2c_tpm: &i2c0 {
181 status = "okay"; 201 status = "okay";
182 202
183 clock-frequency = <400000>; 203 clock-frequency = <400000>;
184 204
185 /* These are relatively safe rise/fall 205 /* These are relatively safe rise/fall times. */
186 i2c-scl-falling-time-ns = <50>; 206 i2c-scl-falling-time-ns = <50>;
187 i2c-scl-rising-time-ns = <300>; 207 i2c-scl-rising-time-ns = <300>;
188 208
189 tpm: tpm@20 { 209 tpm: tpm@20 {
190 compatible = "infineon,slb9645 210 compatible = "infineon,slb9645tt";
191 reg = <0x20>; 211 reg = <0x20>;
192 powered-while-suspended; 212 powered-while-suspended;
193 }; 213 };
194 }; 214 };
195 215
196 ap_i2c_dig: &i2c2 { 216 ap_i2c_dig: &i2c2 {
197 status = "okay"; 217 status = "okay";
198 218
199 clock-frequency = <400000>; 219 clock-frequency = <400000>;
200 220
201 /* These are relatively safe rise/fall 221 /* These are relatively safe rise/fall times. */
202 i2c-scl-falling-time-ns = <50>; 222 i2c-scl-falling-time-ns = <50>;
203 i2c-scl-rising-time-ns = <300>; 223 i2c-scl-rising-time-ns = <300>;
204 224
205 digitizer: digitizer@9 { 225 digitizer: digitizer@9 {
206 /* wacom,w9013 */ 226 /* wacom,w9013 */
207 compatible = "hid-over-i2c"; 227 compatible = "hid-over-i2c";
208 reg = <0x9>; 228 reg = <0x9>;
209 pinctrl-names = "default"; 229 pinctrl-names = "default";
210 pinctrl-0 = <&cpu1_dig_irq_l & 230 pinctrl-0 = <&cpu1_dig_irq_l &cpu1_dig_pdct_l>;
211 231
212 vdd-supply = <&p3_3v_dig>; 232 vdd-supply = <&p3_3v_dig>;
213 post-power-on-delay-ms = <100> 233 post-power-on-delay-ms = <100>;
214 234
215 interrupt-parent = <&gpio2>; 235 interrupt-parent = <&gpio2>;
216 interrupts = <4 IRQ_TYPE_LEVEL 236 interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
217 237
218 hid-descr-addr = <0x1>; 238 hid-descr-addr = <0x1>;
219 }; 239 };
220 }; 240 };
221 241
222 /* Adjustments to things in the gru baseboard 242 /* Adjustments to things in the gru baseboard */
223 243
224 &ap_i2c_tp { 244 &ap_i2c_tp {
225 trackpad@4a { 245 trackpad@4a {
226 compatible = "atmel,maxtouch"; !! 246 compatible = "atmel,atmel_mxt_tp";
227 reg = <0x4a>; 247 reg = <0x4a>;
228 pinctrl-names = "default"; 248 pinctrl-names = "default";
229 pinctrl-0 = <&trackpad_int_l>; 249 pinctrl-0 = <&trackpad_int_l>;
230 interrupt-parent = <&gpio1>; 250 interrupt-parent = <&gpio1>;
231 interrupts = <4 IRQ_TYPE_LEVEL 251 interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
232 linux,gpio-keymap = <KEY_RESER 252 linux,gpio-keymap = <KEY_RESERVED
233 KEY_RESER 253 KEY_RESERVED
234 KEY_RESER 254 KEY_RESERVED
235 BTN_LEFT> 255 BTN_LEFT>;
236 wakeup-source; 256 wakeup-source;
237 }; 257 };
238 }; 258 };
239 259
240 &ap_i2c_ts { 260 &ap_i2c_ts {
241 touchscreen@4b { 261 touchscreen@4b {
242 compatible = "atmel,maxtouch"; !! 262 compatible = "atmel,atmel_mxt_ts";
243 reg = <0x4b>; 263 reg = <0x4b>;
244 pinctrl-names = "default"; 264 pinctrl-names = "default";
245 pinctrl-0 = <&touch_int_l>; 265 pinctrl-0 = <&touch_int_l>;
246 interrupt-parent = <&gpio3>; 266 interrupt-parent = <&gpio3>;
247 interrupts = <13 IRQ_TYPE_LEVE 267 interrupts = <13 IRQ_TYPE_LEVEL_LOW>;
248 }; 268 };
249 }; 269 };
250 270
251 &ppvar_bigcpu_pwm { 271 &ppvar_bigcpu_pwm {
252 regulator-min-microvolt = <798674>; 272 regulator-min-microvolt = <798674>;
253 regulator-max-microvolt = <1302172>; 273 regulator-max-microvolt = <1302172>;
254 }; 274 };
255 275
256 &ppvar_bigcpu { 276 &ppvar_bigcpu {
257 regulator-min-microvolt = <798674>; 277 regulator-min-microvolt = <798674>;
258 regulator-max-microvolt = <1302172>; 278 regulator-max-microvolt = <1302172>;
259 ctrl-voltage-range = <798674 1302172>; 279 ctrl-voltage-range = <798674 1302172>;
260 }; 280 };
261 281
262 &ppvar_litcpu_pwm { 282 &ppvar_litcpu_pwm {
263 regulator-min-microvolt = <799065>; 283 regulator-min-microvolt = <799065>;
264 regulator-max-microvolt = <1303738>; 284 regulator-max-microvolt = <1303738>;
265 }; 285 };
266 286
267 &ppvar_litcpu { 287 &ppvar_litcpu {
268 regulator-min-microvolt = <799065>; 288 regulator-min-microvolt = <799065>;
269 regulator-max-microvolt = <1303738>; 289 regulator-max-microvolt = <1303738>;
270 ctrl-voltage-range = <799065 1303738>; 290 ctrl-voltage-range = <799065 1303738>;
271 }; 291 };
272 292
273 &ppvar_gpu_pwm { 293 &ppvar_gpu_pwm {
274 regulator-min-microvolt = <785782>; 294 regulator-min-microvolt = <785782>;
275 regulator-max-microvolt = <1217729>; 295 regulator-max-microvolt = <1217729>;
276 }; 296 };
277 297
278 &ppvar_gpu { 298 &ppvar_gpu {
279 regulator-min-microvolt = <785782>; 299 regulator-min-microvolt = <785782>;
280 regulator-max-microvolt = <1217729>; 300 regulator-max-microvolt = <1217729>;
281 ctrl-voltage-range = <785782 1217729>; 301 ctrl-voltage-range = <785782 1217729>;
282 }; 302 };
283 303
284 &ppvar_centerlogic_pwm { 304 &ppvar_centerlogic_pwm {
285 regulator-min-microvolt = <800069>; 305 regulator-min-microvolt = <800069>;
286 regulator-max-microvolt = <1049692>; 306 regulator-max-microvolt = <1049692>;
287 }; 307 };
288 308
289 &ppvar_centerlogic { 309 &ppvar_centerlogic {
290 regulator-min-microvolt = <800069>; 310 regulator-min-microvolt = <800069>;
291 regulator-max-microvolt = <1049692>; 311 regulator-max-microvolt = <1049692>;
292 ctrl-voltage-range = <800069 1049692>; 312 ctrl-voltage-range = <800069 1049692>;
293 }; 313 };
294 314
295 &saradc { 315 &saradc {
296 status = "okay"; 316 status = "okay";
297 vref-supply = <&pp1800_ap_io>; 317 vref-supply = <&pp1800_ap_io>;
298 }; 318 };
299 319
300 &mvl_wifi { 320 &mvl_wifi {
301 marvell,wakeup-pin = <14>; /* GPIO_14 321 marvell,wakeup-pin = <14>; /* GPIO_14 on Marvell */
302 }; 322 };
303 323
304 &pinctrl { 324 &pinctrl {
305 digitizer { 325 digitizer {
306 /* Has external pullup */ 326 /* Has external pullup */
307 cpu1_dig_irq_l: cpu1-dig-irq-l 327 cpu1_dig_irq_l: cpu1-dig-irq-l {
308 rockchip,pins = <2 RK_ !! 328 rockchip,pins = <2 4 RK_FUNC_GPIO &pcfg_pull_none>;
309 }; 329 };
310 330
311 /* Has external pullup */ 331 /* Has external pullup */
312 cpu1_dig_pdct_l: cpu1-dig-pdct 332 cpu1_dig_pdct_l: cpu1-dig-pdct-l {
313 rockchip,pins = <2 RK_ !! 333 rockchip,pins = <2 5 RK_FUNC_GPIO &pcfg_pull_none>;
314 }; 334 };
315 }; 335 };
316 336
317 discrete-regulators { 337 discrete-regulators {
318 cpu3_pen_pwr_en: cpu3-pen-pwr- 338 cpu3_pen_pwr_en: cpu3-pen-pwr-en {
319 rockchip,pins = <4 RK_ !! 339 rockchip,pins = <4 30 RK_FUNC_GPIO &pcfg_pull_none>;
320 }; 340 };
321 }; 341 };
322 342
323 pen { 343 pen {
324 cpu1_pen_eject: cpu1-pen-eject 344 cpu1_pen_eject: cpu1-pen-eject {
325 rockchip,pins = <0 RK_ !! 345 rockchip,pins = <0 13 RK_FUNC_GPIO &pcfg_pull_up>;
>> 346 };
>> 347 };
>> 348
>> 349 wifi {
>> 350 wlan_host_wake_l: wlan-host-wake-l {
>> 351 rockchip,pins = <0 8 RK_FUNC_GPIO &pcfg_pull_none>;
326 }; 352 };
327 }; 353 };
328 }; 354 };
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