1// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2/*
3 * Google Gru-Chromebook shared properties
4 *
5 * Copyright 2018 Google, Inc
6 */
7
8#include "rk3399-gru.dtsi"
9
10/ {
11	pp900_ap: pp900-ap {
12		compatible = "regulator-fixed";
13		regulator-name = "pp900_ap";
14
15		/* EC turns on w/ pp900_ap_en; always on for AP */
16		regulator-always-on;
17		regulator-boot-on;
18		regulator-min-microvolt = <900000>;
19		regulator-max-microvolt = <900000>;
20
21		vin-supply = <&ppvar_sys>;
22	};
23
24	/* EC turns on w/ pp900_usb_en */
25	pp900_usb: pp900-ap {
26	};
27
28	/* EC turns on w/ pp900_pcie_en */
29	pp900_pcie: pp900-ap {
30	};
31
32	pp3000: pp3000 {
33		compatible = "regulator-fixed";
34		regulator-name = "pp3000";
35		pinctrl-names = "default";
36		pinctrl-0 = <&pp3000_en>;
37
38		enable-active-high;
39		gpio = <&gpio0 12 GPIO_ACTIVE_HIGH>;
40
41		regulator-always-on;
42		regulator-boot-on;
43		regulator-min-microvolt = <3000000>;
44		regulator-max-microvolt = <3000000>;
45
46		vin-supply = <&ppvar_sys>;
47	};
48
49	ppvar_centerlogic_pwm: ppvar-centerlogic-pwm {
50		compatible = "pwm-regulator";
51		regulator-name = "ppvar_centerlogic_pwm";
52
53		pwms = <&pwm3 0 3337 0>;
54		pwm-supply = <&ppvar_sys>;
55		pwm-dutycycle-range = <100 0>;
56		pwm-dutycycle-unit = <100>;
57
58		/* EC turns on w/ ppvar_centerlogic_en; always on for AP */
59		regulator-always-on;
60		regulator-boot-on;
61		regulator-min-microvolt = <799434>;
62		regulator-max-microvolt = <1049925>;
63	};
64
65	ppvar_centerlogic: ppvar-centerlogic {
66		compatible = "vctrl-regulator";
67		regulator-name = "ppvar_centerlogic";
68
69		regulator-min-microvolt = <799434>;
70		regulator-max-microvolt = <1049925>;
71
72		ctrl-supply = <&ppvar_centerlogic_pwm>;
73		ctrl-voltage-range = <799434 1049925>;
74
75		regulator-settling-time-up-us = <378>;
76		min-slew-down-rate = <225>;
77		ovp-threshold-percent = <16>;
78	};
79
80	/* Schematics call this PPVAR even though it's fixed */
81	ppvar_logic: ppvar-logic {
82		compatible = "regulator-fixed";
83		regulator-name = "ppvar_logic";
84
85		/* EC turns on w/ ppvar_logic_en; always on for AP */
86		regulator-always-on;
87		regulator-boot-on;
88		regulator-min-microvolt = <900000>;
89		regulator-max-microvolt = <900000>;
90
91		vin-supply = <&ppvar_sys>;
92	};
93
94	pp1800_audio: pp1800-audio {
95		compatible = "regulator-fixed";
96		regulator-name = "pp1800_audio";
97		pinctrl-names = "default";
98		pinctrl-0 = <&pp1800_audio_en>;
99
100		enable-active-high;
101		gpio = <&gpio0 2 GPIO_ACTIVE_HIGH>;
102
103		regulator-always-on;
104		regulator-boot-on;
105
106		vin-supply = <&pp1800>;
107	};
108
109	/* gpio is shared with pp3300_wifi_bt */
110	pp1800_pcie: pp1800-pcie {
111		compatible = "regulator-fixed";
112		regulator-name = "pp1800_pcie";
113		pinctrl-names = "default";
114		pinctrl-0 = <&wlan_module_pd_l>;
115
116		enable-active-high;
117		gpio = <&gpio0 4 GPIO_ACTIVE_HIGH>;
118
119		/*
120		 * Need to wait 1ms + ramp-up time before we can power on WiFi.
121		 * This has been approximated as 8ms total.
122		 */
123		regulator-enable-ramp-delay = <8000>;
124
125		vin-supply = <&pp1800>;
126	};
127
128	/* Always on; plain and simple */
129	pp3000_ap: pp3000_emmc: pp3000 {
130	};
131
132	pp1500_ap_io: pp1500-ap-io {
133		compatible = "regulator-fixed";
134		regulator-name = "pp1500_ap_io";
135		pinctrl-names = "default";
136		pinctrl-0 = <&pp1500_en>;
137
138		enable-active-high;
139		gpio = <&gpio0 10 GPIO_ACTIVE_HIGH>;
140
141		regulator-always-on;
142		regulator-boot-on;
143		regulator-min-microvolt = <1500000>;
144		regulator-max-microvolt = <1500000>;
145
146		vin-supply = <&pp1800>;
147	};
148
149	pp3300_disp: pp3300-disp {
150		compatible = "regulator-fixed";
151		regulator-name = "pp3300_disp";
152		pinctrl-names = "default";
153		pinctrl-0 = <&pp3300_disp_en>;
154
155		enable-active-high;
156		gpio = <&gpio4 27 GPIO_ACTIVE_HIGH>;
157
158		startup-delay-us = <2000>;
159		vin-supply = <&pp3300>;
160	};
161
162	/* EC turns on w/ pp3300_usb_en_l */
163	pp3300_usb: pp3300 {
164	};
165
166	/* gpio is shared with pp1800_pcie and pinctrl is set there */
167	pp3300_wifi_bt: pp3300-wifi-bt {
168		compatible = "regulator-fixed";
169		regulator-name = "pp3300_wifi_bt";
170
171		enable-active-high;
172		gpio = <&gpio0 4 GPIO_ACTIVE_HIGH>;
173
174		vin-supply = <&pp3300>;
175	};
176
177	/*
178	 * This is a bit of a hack. The WiFi module should be reset at least
179	 * 1ms after its regulators have ramped up (max rampup time is ~7ms).
180	 * With some stretching of the imagination, we can call the 1.8V
181	 * regulator a supply.
182	 */
183	wlan_pd_n: wlan-pd-n {
184		compatible = "regulator-fixed";
185		regulator-name = "wlan_pd_n";
186		pinctrl-names = "default";
187		pinctrl-0 = <&wlan_module_reset_l>;
188
189		enable-active-high;
190		gpio = <&gpio1 11 GPIO_ACTIVE_HIGH>;
191
192		vin-supply = <&pp1800_pcie>;
193	};
194
195	backlight: backlight {
196		compatible = "pwm-backlight";
197		enable-gpios = <&gpio1 17 GPIO_ACTIVE_HIGH>;
198		power-supply = <&pp3300_disp>;
199		pinctrl-names = "default";
200		pinctrl-0 = <&bl_en>;
201		pwm-delay-us = <10000>;
202	};
203
204	gpio_keys: gpio-keys {
205		compatible = "gpio-keys";
206		pinctrl-names = "default";
207		pinctrl-0 = <&bt_host_wake_l>;
208
209		wake_on_bt: wake-on-bt {
210			label = "Wake-on-Bluetooth";
211			gpios = <&gpio0 3 GPIO_ACTIVE_LOW>;
212			linux,code = <KEY_WAKEUP>;
213			wakeup-source;
214		};
215	};
216};
217
218&ppvar_bigcpu {
219	min-slew-down-rate = <225>;
220	ovp-threshold-percent = <16>;
221};
222
223&ppvar_litcpu {
224	min-slew-down-rate = <225>;
225	ovp-threshold-percent = <16>;
226};
227
228&ppvar_gpu {
229	min-slew-down-rate = <225>;
230	ovp-threshold-percent = <16>;
231};
232
233&cdn_dp {
234	extcon = <&usbc_extcon0>, <&usbc_extcon1>;
235};
236
237&edp {
238	status = "okay";
239
240	ports {
241		edp_out: port@1 {
242			reg = <1>;
243			#address-cells = <1>;
244			#size-cells = <0>;
245
246			edp_out_panel: endpoint@0 {
247				reg = <0>;
248				remote-endpoint = <&panel_in_edp>;
249			};
250		};
251	};
252};
253
254ap_i2c_mic: &i2c1 {
255	status = "okay";
256
257	clock-frequency = <400000>;
258
259	/* These are relatively safe rise/fall times */
260	i2c-scl-falling-time-ns = <50>;
261	i2c-scl-rising-time-ns = <300>;
262
263	headsetcodec: rt5514@57 {
264		compatible = "realtek,rt5514";
265		reg = <0x57>;
266		realtek,dmic-init-delay-ms = <20>;
267	};
268};
269
270ap_i2c_tp: &i2c5 {
271	status = "okay";
272
273	clock-frequency = <400000>;
274
275	/* These are relatively safe rise/fall times */
276	i2c-scl-falling-time-ns = <50>;
277	i2c-scl-rising-time-ns = <300>;
278
279	/*
280	 * Note strange pullup enable.  Apparently this avoids leakage but
281	 * still allows us to get nice 4.7K pullups for high speed i2c
282	 * transfers.  Basically we want the pullup on whenever the ap is
283	 * alive, so the "en" pin just gets set to output high.
284	 */
285	pinctrl-0 = <&i2c5_xfer &ap_i2c_tp_pu_en>;
286};
287
288&cros_ec {
289	cros_ec_pwm: ec-pwm {
290		compatible = "google,cros-ec-pwm";
291		#pwm-cells = <1>;
292	};
293
294	usbc_extcon1: extcon1 {
295		compatible = "google,extcon-usbc-cros-ec";
296		google,usb-port-id = <1>;
297	};
298};
299
300&sound {
301	rockchip,codec = <&max98357a &headsetcodec
302			  &codec &wacky_spi_audio &cdn_dp>;
303};
304
305&spi2 {
306	wacky_spi_audio: spi2@0 {
307		compatible = "realtek,rt5514";
308		reg = <0>;
309		interrupt-parent = <&gpio1>;
310		interrupts = <13 IRQ_TYPE_LEVEL_HIGH>;
311		pinctrl-names = "default";
312		pinctrl-0 = <&mic_int>;
313		/* May run faster once verified. */
314		spi-max-frequency = <10000000>;
315		wakeup-source;
316	};
317};
318
319&pci_rootport {
320	mvl_wifi: wifi@0,0 {
321		compatible = "pci1b4b,2b42";
322		reg = <0x83010000 0x0 0x00000000 0x0 0x00100000
323		       0x83010000 0x0 0x00100000 0x0 0x00100000>;
324		interrupt-parent = <&gpio0>;
325		interrupts = <8 IRQ_TYPE_LEVEL_LOW>;
326		pinctrl-names = "default";
327		pinctrl-0 = <&wlan_host_wake_l>;
328		wakeup-source;
329	};
330};
331
332&tcphy1 {
333	status = "okay";
334	extcon = <&usbc_extcon1>;
335};
336
337&u2phy1 {
338	status = "okay";
339};
340
341&usb_host0_ehci {
342	status = "okay";
343};
344
345&usb_host1_ehci {
346	status = "okay";
347};
348
349&usb_host1_ohci {
350	status = "okay";
351};
352
353&usbdrd3_1 {
354	status = "okay";
355	extcon = <&usbc_extcon1>;
356};
357
358&usbdrd_dwc3_1 {
359	status = "okay";
360	dr_mode = "host";
361};
362
363&pinctrl {
364	discrete-regulators {
365		pp1500_en: pp1500-en {
366			rockchip,pins = <0 RK_PB2 RK_FUNC_GPIO
367					 &pcfg_pull_none>;
368		};
369
370		pp1800_audio_en: pp1800-audio-en {
371			rockchip,pins = <0 RK_PA2 RK_FUNC_GPIO
372					 &pcfg_pull_down>;
373		};
374
375		pp3000_en: pp3000-en {
376			rockchip,pins = <0 RK_PB4 RK_FUNC_GPIO
377					 &pcfg_pull_none>;
378		};
379
380		pp3300_disp_en: pp3300-disp-en {
381			rockchip,pins = <4 RK_PD3 RK_FUNC_GPIO
382					 &pcfg_pull_none>;
383		};
384
385		wlan_module_pd_l: wlan-module-pd-l {
386			rockchip,pins = <0 RK_PA4 RK_FUNC_GPIO
387					 &pcfg_pull_down>;
388		};
389	};
390};
391
392&wifi {
393	wifi_perst_l: wifi-perst-l {
394		rockchip,pins = <2 RK_PD3 RK_FUNC_GPIO &pcfg_pull_none>;
395	};
396
397	wlan_host_wake_l: wlan-host-wake-l {
398		rockchip,pins = <0 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;
399	};
400};
401