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	};
202
203	gpio_keys: gpio-keys {
204		compatible = "gpio-keys";
205		pinctrl-names = "default";
206		pinctrl-0 = <&bt_host_wake_l>;
207
208		wake_on_bt: key-wake-on-bt {
209			label = "Wake-on-Bluetooth";
210			gpios = <&gpio0 3 GPIO_ACTIVE_LOW>;
211			linux,code = <KEY_WAKEUP>;
212			wakeup-source;
213		};
214	};
215};
216
217&ppvar_bigcpu {
218	min-slew-down-rate = <225>;
219	ovp-threshold-percent = <16>;
220};
221
222&ppvar_litcpu {
223	min-slew-down-rate = <225>;
224	ovp-threshold-percent = <16>;
225};
226
227&ppvar_gpu {
228	min-slew-down-rate = <225>;
229	ovp-threshold-percent = <16>;
230};
231
232&cdn_dp {
233	extcon = <&usbc_extcon0>, <&usbc_extcon1>;
234};
235
236&dmc {
237	center-supply = <&ppvar_centerlogic>;
238	rockchip,pd-idle-dis-freq-hz = <800000000>;
239	rockchip,sr-idle-dis-freq-hz = <800000000>;
240	rockchip,sr-mc-gate-idle-dis-freq-hz = <800000000>;
241};
242
243&edp {
244	status = "okay";
245
246	/*
247	 * eDP PHY/clk don't sync reliably at anything other than 24 MHz. Only
248	 * set this here, because rk3399-gru.dtsi ensures we can generate this
249	 * off GPLL=600MHz, whereas some other RK3399 boards may not.
250	 */
251	assigned-clocks = <&cru PCLK_EDP>;
252	assigned-clock-rates = <24000000>;
253
254	ports {
255		edp_out: port@1 {
256			reg = <1>;
257			#address-cells = <1>;
258			#size-cells = <0>;
259
260			edp_out_panel: endpoint@0 {
261				reg = <0>;
262				remote-endpoint = <&panel_in_edp>;
263			};
264		};
265	};
266};
267
268&gpio0 {
269	gpio-line-names = /* GPIO0 A 0-7 */
270			  "AP_RTC_CLK_IN",
271			  "EC_AP_INT_L",
272			  "PP1800_AUDIO_EN",
273			  "BT_HOST_WAKE_L",
274			  "WLAN_MODULE_PD_L",
275			  "H1_INT_OD_L",
276			  "CENTERLOGIC_DVS_PWM",
277			  "",
278
279			  /* GPIO0 B 0-4 */
280			  "WIFI_HOST_WAKE_L",
281			  "PMUIO2_33_18_L",
282			  "PP1500_EN",
283			  "AP_EC_WARM_RESET_REQ",
284			  "PP3000_EN";
285};
286
287&gpio1 {
288	gpio-line-names = /* GPIO1 A 0-7 */
289			  "",
290			  "",
291			  "SPK_PA_EN",
292			  "",
293			  "TRACKPAD_INT_L",
294			  "AP_EC_S3_S0_L",
295			  "AP_EC_OVERTEMP",
296			  "AP_SPI_FLASH_MISO",
297
298			  /* GPIO1 B 0-7 */
299			  "AP_SPI_FLASH_MOSI_R",
300			  "AP_SPI_FLASH_CLK_R",
301			  "AP_SPI_FLASH_CS_L_R",
302			  "WLAN_MODULE_RESET_L",
303			  "WIFI_DISABLE_L",
304			  "MIC_INT",
305			  "",
306			  "AP_I2C_DVS_SDA",
307
308			  /* GPIO1 C 0-7 */
309			  "AP_I2C_DVS_SCL",
310			  "AP_BL_EN",
311			  /*
312			   * AP_FLASH_WP is crossystem ABI. Schematics call it
313			   * AP_FW_WP or CPU1_FW_WP, depending on the variant.
314			   */
315			  "AP_FLASH_WP",
316			  "LITCPU_DVS_PWM",
317			  "AP_I2C_AUDIO_SDA",
318			  "AP_I2C_AUDIO_SCL",
319			  "",
320			  "HEADSET_INT_L";
321};
322
323&gpio2 {
324	gpio-line-names = /* GPIO2 A 0-7 */
325			  "",
326			  "",
327			  "SD_IO_PWR_EN",
328			  "",
329			  "",
330			  "",
331			  "",
332			  "",
333
334			  /* GPIO2 B 0-7 */
335			  "",
336			  "",
337			  "",
338			  "",
339			  "",
340			  "",
341			  "",
342			  "",
343
344			  /* GPIO2 C 0-7 */
345			  "",
346			  "",
347			  "",
348			  "",
349			  "AP_SPI_EC_MISO",
350			  "AP_SPI_EC_MOSI",
351			  "AP_SPI_EC_CLK",
352			  "AP_SPI_EC_CS_L",
353
354			  /* GPIO2 D 0-4 */
355			  "BT_DEV_WAKE_L",
356			  "",
357			  "WIFI_PCIE_CLKREQ_L",
358			  "WIFI_PERST_L",
359			  "SD_PWR_3000_1800_L";
360};
361
362&gpio3 {
363	gpio-line-names = /* GPIO3 A 0-7 */
364			  "",
365			  "",
366			  "",
367			  "",
368			  "AP_SPI_TPM_MISO",
369			  "AP_SPI_TPM_MOSI_R",
370			  "AP_SPI_TPM_CLK_R",
371			  "AP_SPI_TPM_CS_L_R",
372
373			  /* GPIO3 B 0-7 */
374			  "EC_IN_RW",
375			  "",
376			  "AP_I2C_TP_SDA",
377			  "AP_I2C_TP_SCL",
378			  "AP_I2C_TP_PU_EN",
379			  "TOUCH_INT_L",
380			  "",
381			  "",
382
383			  /* GPIO3 C 0-7 */
384			  "",
385			  "",
386			  "",
387			  "",
388			  "",
389			  "",
390			  "",
391			  "",
392
393			  /* GPIO3 D 0-7 */
394			  "I2S0_SCLK",
395			  "I2S0_LRCK_RX",
396			  "I2S0_LRCK_TX",
397			  "I2S0_SDI_0",
398			  "I2S0_SDI_1",
399			  "",
400			  "I2S0_SDO_1",
401			  "I2S0_SDO_0";
402};
403
404&gpio4 {
405	gpio-line-names = /* GPIO4 A 0-7 */
406			  "I2S_MCLK",
407			  "AP_I2C_MIC_SDA",
408			  "AP_I2C_MIC_SCL",
409			  "",
410			  "",
411			  "",
412			  "",
413			  "",
414
415			  /* GPIO4 B 0-7 */
416			  "",
417			  "",
418			  "",
419			  "",
420			  "",
421			  "",
422			  "",
423			  "",
424
425			  /* GPIO4 C 0-7 */
426			  "AP_I2C_TS_SDA",
427			  "AP_I2C_TS_SCL",
428			  "GPU_DVS_PWM",
429			  "UART_DBG_TX_AP_RX",
430			  "UART_AP_TX_DBG_RX",
431			  "",
432			  "BIGCPU_DVS_PWM",
433			  "EDP_HPD_3V0",
434
435			  /* GPIO4 D 0-5 */
436			  "SD_CARD_DET_L",
437			  "USB_DP_HPD",
438			  "TOUCH_RESET_L",
439			  "PP3300_DISP_EN",
440			  "",
441			  "SD_SLOT_PWR_EN";
442};
443
444ap_i2c_mic: &i2c1 {
445	status = "okay";
446
447	clock-frequency = <400000>;
448
449	/* These are relatively safe rise/fall times */
450	i2c-scl-falling-time-ns = <50>;
451	i2c-scl-rising-time-ns = <300>;
452
453	headsetcodec: rt5514@57 {
454		compatible = "realtek,rt5514";
455		reg = <0x57>;
456		realtek,dmic-init-delay-ms = <20>;
457	};
458};
459
460ap_i2c_tp: &i2c5 {
461	status = "okay";
462
463	clock-frequency = <400000>;
464
465	/* These are relatively safe rise/fall times */
466	i2c-scl-falling-time-ns = <50>;
467	i2c-scl-rising-time-ns = <300>;
468
469	/*
470	 * Note strange pullup enable.  Apparently this avoids leakage but
471	 * still allows us to get nice 4.7K pullups for high speed i2c
472	 * transfers.  Basically we want the pullup on whenever the ap is
473	 * alive, so the "en" pin just gets set to output high.
474	 */
475	pinctrl-0 = <&i2c5_xfer &ap_i2c_tp_pu_en>;
476};
477
478&cros_ec {
479	cros_ec_pwm: pwm {
480		compatible = "google,cros-ec-pwm";
481		#pwm-cells = <1>;
482	};
483
484	usbc_extcon1: extcon1 {
485		compatible = "google,extcon-usbc-cros-ec";
486		google,usb-port-id = <1>;
487	};
488};
489
490&sound {
491	rockchip,codec = <&max98357a &headsetcodec
492			  &codec &wacky_spi_audio &cdn_dp>;
493};
494
495&spi2 {
496	wacky_spi_audio: spi2@0 {
497		compatible = "realtek,rt5514";
498		reg = <0>;
499		interrupt-parent = <&gpio1>;
500		interrupts = <13 IRQ_TYPE_LEVEL_HIGH>;
501		pinctrl-names = "default";
502		pinctrl-0 = <&mic_int>;
503		/* May run faster once verified. */
504		spi-max-frequency = <10000000>;
505		wakeup-source;
506	};
507};
508
509&pci_rootport {
510	mvl_wifi: wifi@0,0 {
511		compatible = "pci1b4b,2b42";
512		reg = <0x0000 0x0 0x0 0x0 0x0>;
513		interrupt-parent = <&gpio0>;
514		interrupts = <8 IRQ_TYPE_LEVEL_LOW>;
515		pinctrl-names = "default";
516		pinctrl-0 = <&wlan_host_wake_l>;
517		wakeup-source;
518	};
519};
520
521&tcphy1 {
522	status = "okay";
523	extcon = <&usbc_extcon1>;
524};
525
526&u2phy1 {
527	status = "okay";
528};
529
530&usb_host0_ehci {
531	status = "okay";
532};
533
534&usb_host1_ehci {
535	status = "okay";
536};
537
538&usb_host1_ohci {
539	status = "okay";
540};
541
542&usbdrd3_1 {
543	status = "okay";
544	extcon = <&usbc_extcon1>;
545};
546
547&usbdrd_dwc3_1 {
548	status = "okay";
549	dr_mode = "host";
550};
551
552&pinctrl {
553	discrete-regulators {
554		pp1500_en: pp1500-en {
555			rockchip,pins = <0 RK_PB2 RK_FUNC_GPIO
556					 &pcfg_pull_none>;
557		};
558
559		pp1800_audio_en: pp1800-audio-en {
560			rockchip,pins = <0 RK_PA2 RK_FUNC_GPIO
561					 &pcfg_pull_down>;
562		};
563
564		pp3000_en: pp3000-en {
565			rockchip,pins = <0 RK_PB4 RK_FUNC_GPIO
566					 &pcfg_pull_none>;
567		};
568
569		pp3300_disp_en: pp3300-disp-en {
570			rockchip,pins = <4 RK_PD3 RK_FUNC_GPIO
571					 &pcfg_pull_none>;
572		};
573
574		wlan_module_pd_l: wlan-module-pd-l {
575			rockchip,pins = <0 RK_PA4 RK_FUNC_GPIO
576					 &pcfg_pull_down>;
577		};
578	};
579};
580
581&wifi {
582	wifi_perst_l: wifi-perst-l {
583		rockchip,pins = <2 RK_PD3 RK_FUNC_GPIO &pcfg_pull_none>;
584	};
585
586	wlan_host_wake_l: wlan-host-wake-l {
587		/* Kevin has an external pull up, but Bob does not */
588		rockchip,pins = <0 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;
589	};
590};
591