1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
|
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Google Gru-Chromebook shared properties
*
* Copyright 2018 Google, Inc
*/
#include "rk3399-gru.dtsi"
/ {
pp900_ap: pp900-ap {
compatible = "regulator-fixed";
regulator-name = "pp900_ap";
/* EC turns on w/ pp900_ap_en; always on for AP */
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <900000>;
regulator-max-microvolt = <900000>;
vin-supply = <&ppvar_sys>;
};
/* EC turns on w/ pp900_usb_en */
pp900_usb: pp900-ap {
};
/* EC turns on w/ pp900_pcie_en */
pp900_pcie: pp900-ap {
};
pp3000: pp3000 {
compatible = "regulator-fixed";
regulator-name = "pp3000";
pinctrl-names = "default";
pinctrl-0 = <&pp3000_en>;
enable-active-high;
gpio = <&gpio0 12 GPIO_ACTIVE_HIGH>;
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <3000000>;
regulator-max-microvolt = <3000000>;
vin-supply = <&ppvar_sys>;
};
ppvar_centerlogic_pwm: ppvar-centerlogic-pwm {
compatible = "pwm-regulator";
regulator-name = "ppvar_centerlogic_pwm";
pwms = <&pwm3 0 3337 0>;
pwm-supply = <&ppvar_sys>;
pwm-dutycycle-range = <100 0>;
pwm-dutycycle-unit = <100>;
/* EC turns on w/ ppvar_centerlogic_en; always on for AP */
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <799434>;
regulator-max-microvolt = <1049925>;
};
ppvar_centerlogic: ppvar-centerlogic {
compatible = "vctrl-regulator";
regulator-name = "ppvar_centerlogic";
regulator-min-microvolt = <799434>;
regulator-max-microvolt = <1049925>;
ctrl-supply = <&ppvar_centerlogic_pwm>;
ctrl-voltage-range = <799434 1049925>;
regulator-settling-time-up-us = <378>;
min-slew-down-rate = <225>;
ovp-threshold-percent = <16>;
};
/* Schematics call this PPVAR even though it's fixed */
ppvar_logic: ppvar-logic {
compatible = "regulator-fixed";
regulator-name = "ppvar_logic";
/* EC turns on w/ ppvar_logic_en; always on for AP */
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <900000>;
regulator-max-microvolt = <900000>;
vin-supply = <&ppvar_sys>;
};
pp1800_audio: pp1800-audio {
compatible = "regulator-fixed";
regulator-name = "pp1800_audio";
pinctrl-names = "default";
pinctrl-0 = <&pp1800_audio_en>;
enable-active-high;
gpio = <&gpio0 2 GPIO_ACTIVE_HIGH>;
regulator-always-on;
regulator-boot-on;
vin-supply = <&pp1800>;
};
/* gpio is shared with pp3300_wifi_bt */
pp1800_pcie: pp1800-pcie {
compatible = "regulator-fixed";
regulator-name = "pp1800_pcie";
pinctrl-names = "default";
pinctrl-0 = <&wlan_module_pd_l>;
enable-active-high;
gpio = <&gpio0 4 GPIO_ACTIVE_HIGH>;
/*
* Need to wait 1ms + ramp-up time before we can power on WiFi.
* This has been approximated as 8ms total.
*/
regulator-enable-ramp-delay = <8000>;
vin-supply = <&pp1800>;
};
/* Always on; plain and simple */
pp3000_ap: pp3000_emmc: pp3000 {
};
pp1500_ap_io: pp1500-ap-io {
compatible = "regulator-fixed";
regulator-name = "pp1500_ap_io";
pinctrl-names = "default";
pinctrl-0 = <&pp1500_en>;
enable-active-high;
gpio = <&gpio0 10 GPIO_ACTIVE_HIGH>;
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <1500000>;
regulator-max-microvolt = <1500000>;
vin-supply = <&pp1800>;
};
pp3300_disp: pp3300-disp {
compatible = "regulator-fixed";
regulator-name = "pp3300_disp";
pinctrl-names = "default";
pinctrl-0 = <&pp3300_disp_en>;
enable-active-high;
gpio = <&gpio4 27 GPIO_ACTIVE_HIGH>;
startup-delay-us = <2000>;
vin-supply = <&pp3300>;
};
/* EC turns on w/ pp3300_usb_en_l */
pp3300_usb: pp3300 {
};
/* gpio is shared with pp1800_pcie and pinctrl is set there */
pp3300_wifi_bt: pp3300-wifi-bt {
compatible = "regulator-fixed";
regulator-name = "pp3300_wifi_bt";
enable-active-high;
gpio = <&gpio0 4 GPIO_ACTIVE_HIGH>;
vin-supply = <&pp3300>;
};
/*
* This is a bit of a hack. The WiFi module should be reset at least
* 1ms after its regulators have ramped up (max rampup time is ~7ms).
* With some stretching of the imagination, we can call the 1.8V
* regulator a supply.
*/
wlan_pd_n: wlan-pd-n {
compatible = "regulator-fixed";
regulator-name = "wlan_pd_n";
pinctrl-names = "default";
pinctrl-0 = <&wlan_module_reset_l>;
enable-active-high;
gpio = <&gpio1 11 GPIO_ACTIVE_HIGH>;
vin-supply = <&pp1800_pcie>;
};
backlight: backlight {
compatible = "pwm-backlight";
enable-gpios = <&gpio1 17 GPIO_ACTIVE_HIGH>;
power-supply = <&pp3300_disp>;
pinctrl-names = "default";
pinctrl-0 = <&bl_en>;
pwm-delay-us = <10000>;
};
};
&ppvar_bigcpu {
min-slew-down-rate = <225>;
ovp-threshold-percent = <16>;
};
&ppvar_litcpu {
min-slew-down-rate = <225>;
ovp-threshold-percent = <16>;
};
&ppvar_gpu {
min-slew-down-rate = <225>;
ovp-threshold-percent = <16>;
};
&cdn_dp {
extcon = <&usbc_extcon0>, <&usbc_extcon1>;
};
&edp {
status = "okay";
ports {
edp_out: port@1 {
reg = <1>;
#address-cells = <1>;
#size-cells = <0>;
edp_out_panel: endpoint@0 {
reg = <0>;
remote-endpoint = <&panel_in_edp>;
};
};
};
};
ap_i2c_mic: &i2c1 {
status = "okay";
clock-frequency = <400000>;
/* These are relatively safe rise/fall times */
i2c-scl-falling-time-ns = <50>;
i2c-scl-rising-time-ns = <300>;
headsetcodec: rt5514@57 {
compatible = "realtek,rt5514";
reg = <0x57>;
realtek,dmic-init-delay-ms = <20>;
};
};
ap_i2c_tp: &i2c5 {
status = "okay";
clock-frequency = <400000>;
/* These are relatively safe rise/fall times */
i2c-scl-falling-time-ns = <50>;
i2c-scl-rising-time-ns = <300>;
/*
* Note strange pullup enable. Apparently this avoids leakage but
* still allows us to get nice 4.7K pullups for high speed i2c
* transfers. Basically we want the pullup on whenever the ap is
* alive, so the "en" pin just gets set to output high.
*/
pinctrl-0 = <&i2c5_xfer &ap_i2c_tp_pu_en>;
};
&cros_ec {
cros_ec_pwm: ec-pwm {
compatible = "google,cros-ec-pwm";
#pwm-cells = <1>;
};
usbc_extcon1: extcon@1 {
compatible = "google,extcon-usbc-cros-ec";
google,usb-port-id = <1>;
#extcon-cells = <0>;
};
};
&sound {
rockchip,codec = <&max98357a &headsetcodec
&codec &wacky_spi_audio &cdn_dp>;
};
&spi2 {
wacky_spi_audio: spi2@0 {
compatible = "realtek,rt5514";
reg = <0>;
interrupt-parent = <&gpio1>;
interrupts = <13 IRQ_TYPE_LEVEL_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&mic_int>;
/* May run faster once verified. */
spi-max-frequency = <10000000>;
wakeup-source;
};
};
&pci_rootport {
mvl_wifi: wifi@0,0 {
compatible = "pci1b4b,2b42";
reg = <0x83010000 0x0 0x00000000 0x0 0x00100000
0x83010000 0x0 0x00100000 0x0 0x00100000>;
interrupt-parent = <&gpio0>;
interrupts = <8 IRQ_TYPE_LEVEL_LOW>;
pinctrl-names = "default";
pinctrl-0 = <&wlan_host_wake_l>;
wakeup-source;
};
};
&tcphy1 {
status = "okay";
extcon = <&usbc_extcon1>;
};
&u2phy1 {
status = "okay";
};
&usb_host0_ehci {
status = "okay";
};
&usb_host1_ehci {
status = "okay";
};
&usb_host1_ohci {
status = "okay";
};
&usbdrd3_1 {
status = "okay";
extcon = <&usbc_extcon1>;
};
&usbdrd_dwc3_1 {
status = "okay";
dr_mode = "host";
};
&pinctrl {
discrete-regulators {
pp1500_en: pp1500-en {
rockchip,pins = <RK_GPIO0 10 RK_FUNC_GPIO
&pcfg_pull_none>;
};
pp1800_audio_en: pp1800-audio-en {
rockchip,pins = <RK_GPIO0 2 RK_FUNC_GPIO
&pcfg_pull_down>;
};
pp3000_en: pp3000-en {
rockchip,pins = <RK_GPIO0 12 RK_FUNC_GPIO
&pcfg_pull_none>;
};
pp3300_disp_en: pp3300-disp-en {
rockchip,pins = <RK_GPIO4 27 RK_FUNC_GPIO
&pcfg_pull_none>;
};
wlan_module_pd_l: wlan-module-pd-l {
rockchip,pins = <RK_GPIO0 4 RK_FUNC_GPIO
&pcfg_pull_down>;
};
};
};
&wifi {
wifi_perst_l: wifi-perst-l {
rockchip,pins = <2 27 RK_FUNC_GPIO &pcfg_pull_none>;
};
wlan_host_wake_l: wlan-host-wake-l {
rockchip,pins = <0 8 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
|
