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: key-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&dmc {
238	center-supply = <&ppvar_centerlogic>;
239	rockchip,pd-idle-dis-freq-hz = <800000000>;
240	rockchip,sr-idle-dis-freq-hz = <800000000>;
241	rockchip,sr-mc-gate-idle-dis-freq-hz = <800000000>;
242};
243
244&edp {
245	status = "okay";
246
247	/*
248	 * eDP PHY/clk don't sync reliably at anything other than 24 MHz. Only
249	 * set this here, because rk3399-gru.dtsi ensures we can generate this
250	 * off GPLL=600MHz, whereas some other RK3399 boards may not.
251	 */
252	assigned-clocks = <&cru PCLK_EDP>;
253	assigned-clock-rates = <24000000>;
254
255	ports {
256		edp_out: port@1 {
257			reg = <1>;
258			#address-cells = <1>;
259			#size-cells = <0>;
260
261			edp_out_panel: endpoint@0 {
262				reg = <0>;
263				remote-endpoint = <&panel_in_edp>;
264			};
265		};
266	};
267};
268
269&gpio0 {
270	gpio-line-names = /* GPIO0 A 0-7 */
271			  "AP_RTC_CLK_IN",
272			  "EC_AP_INT_L",
273			  "PP1800_AUDIO_EN",
274			  "BT_HOST_WAKE_L",
275			  "WLAN_MODULE_PD_L",
276			  "H1_INT_OD_L",
277			  "CENTERLOGIC_DVS_PWM",
278			  "",
279
280			  /* GPIO0 B 0-4 */
281			  "WIFI_HOST_WAKE_L",
282			  "PMUIO2_33_18_L",
283			  "PP1500_EN",
284			  "AP_EC_WARM_RESET_REQ",
285			  "PP3000_EN";
286};
287
288&gpio1 {
289	gpio-line-names = /* GPIO1 A 0-7 */
290			  "",
291			  "",
292			  "SPK_PA_EN",
293			  "",
294			  "TRACKPAD_INT_L",
295			  "AP_EC_S3_S0_L",
296			  "AP_EC_OVERTEMP",
297			  "AP_SPI_FLASH_MISO",
298
299			  /* GPIO1 B 0-7 */
300			  "AP_SPI_FLASH_MOSI_R",
301			  "AP_SPI_FLASH_CLK_R",
302			  "AP_SPI_FLASH_CS_L_R",
303			  "WLAN_MODULE_RESET_L",
304			  "WIFI_DISABLE_L",
305			  "MIC_INT",
306			  "",
307			  "AP_I2C_DVS_SDA",
308
309			  /* GPIO1 C 0-7 */
310			  "AP_I2C_DVS_SCL",
311			  "AP_BL_EN",
312			  /*
313			   * AP_FLASH_WP is crossystem ABI. Schematics call it
314			   * AP_FW_WP or CPU1_FW_WP, depending on the variant.
315			   */
316			  "AP_FLASH_WP",
317			  "LITCPU_DVS_PWM",
318			  "AP_I2C_AUDIO_SDA",
319			  "AP_I2C_AUDIO_SCL",
320			  "",
321			  "HEADSET_INT_L";
322};
323
324&gpio2 {
325	gpio-line-names = /* GPIO2 A 0-7 */
326			  "",
327			  "",
328			  "SD_IO_PWR_EN",
329			  "",
330			  "",
331			  "",
332			  "",
333			  "",
334
335			  /* GPIO2 B 0-7 */
336			  "",
337			  "",
338			  "",
339			  "",
340			  "",
341			  "",
342			  "",
343			  "",
344
345			  /* GPIO2 C 0-7 */
346			  "",
347			  "",
348			  "",
349			  "",
350			  "AP_SPI_EC_MISO",
351			  "AP_SPI_EC_MOSI",
352			  "AP_SPI_EC_CLK",
353			  "AP_SPI_EC_CS_L",
354
355			  /* GPIO2 D 0-4 */
356			  "BT_DEV_WAKE_L",
357			  "",
358			  "WIFI_PCIE_CLKREQ_L",
359			  "WIFI_PERST_L",
360			  "SD_PWR_3000_1800_L";
361};
362
363&gpio3 {
364	gpio-line-names = /* GPIO3 A 0-7 */
365			  "",
366			  "",
367			  "",
368			  "",
369			  "AP_SPI_TPM_MISO",
370			  "AP_SPI_TPM_MOSI_R",
371			  "AP_SPI_TPM_CLK_R",
372			  "AP_SPI_TPM_CS_L_R",
373
374			  /* GPIO3 B 0-7 */
375			  "EC_IN_RW",
376			  "",
377			  "AP_I2C_TP_SDA",
378			  "AP_I2C_TP_SCL",
379			  "AP_I2C_TP_PU_EN",
380			  "TOUCH_INT_L",
381			  "",
382			  "",
383
384			  /* GPIO3 C 0-7 */
385			  "",
386			  "",
387			  "",
388			  "",
389			  "",
390			  "",
391			  "",
392			  "",
393
394			  /* GPIO3 D 0-7 */
395			  "I2S0_SCLK",
396			  "I2S0_LRCK_RX",
397			  "I2S0_LRCK_TX",
398			  "I2S0_SDI_0",
399			  "I2S0_SDI_1",
400			  "",
401			  "I2S0_SDO_1",
402			  "I2S0_SDO_0";
403};
404
405&gpio4 {
406	gpio-line-names = /* GPIO4 A 0-7 */
407			  "I2S_MCLK",
408			  "AP_I2C_MIC_SDA",
409			  "AP_I2C_MIC_SCL",
410			  "",
411			  "",
412			  "",
413			  "",
414			  "",
415
416			  /* GPIO4 B 0-7 */
417			  "",
418			  "",
419			  "",
420			  "",
421			  "",
422			  "",
423			  "",
424			  "",
425
426			  /* GPIO4 C 0-7 */
427			  "AP_I2C_TS_SDA",
428			  "AP_I2C_TS_SCL",
429			  "GPU_DVS_PWM",
430			  "UART_DBG_TX_AP_RX",
431			  "UART_AP_TX_DBG_RX",
432			  "",
433			  "BIGCPU_DVS_PWM",
434			  "EDP_HPD_3V0",
435
436			  /* GPIO4 D 0-5 */
437			  "SD_CARD_DET_L",
438			  "USB_DP_HPD",
439			  "TOUCH_RESET_L",
440			  "PP3300_DISP_EN",
441			  "",
442			  "SD_SLOT_PWR_EN";
443};
444
445ap_i2c_mic: &i2c1 {
446	status = "okay";
447
448	clock-frequency = <400000>;
449
450	/* These are relatively safe rise/fall times */
451	i2c-scl-falling-time-ns = <50>;
452	i2c-scl-rising-time-ns = <300>;
453
454	headsetcodec: rt5514@57 {
455		compatible = "realtek,rt5514";
456		reg = <0x57>;
457		realtek,dmic-init-delay-ms = <20>;
458	};
459};
460
461ap_i2c_tp: &i2c5 {
462	status = "okay";
463
464	clock-frequency = <400000>;
465
466	/* These are relatively safe rise/fall times */
467	i2c-scl-falling-time-ns = <50>;
468	i2c-scl-rising-time-ns = <300>;
469
470	/*
471	 * Note strange pullup enable.  Apparently this avoids leakage but
472	 * still allows us to get nice 4.7K pullups for high speed i2c
473	 * transfers.  Basically we want the pullup on whenever the ap is
474	 * alive, so the "en" pin just gets set to output high.
475	 */
476	pinctrl-0 = <&i2c5_xfer &ap_i2c_tp_pu_en>;
477};
478
479&cros_ec {
480	cros_ec_pwm: pwm {
481		compatible = "google,cros-ec-pwm";
482		#pwm-cells = <1>;
483	};
484
485	usbc_extcon1: extcon1 {
486		compatible = "google,extcon-usbc-cros-ec";
487		google,usb-port-id = <1>;
488	};
489};
490
491&sound {
492	rockchip,codec = <&max98357a &headsetcodec
493			  &codec &wacky_spi_audio &cdn_dp>;
494};
495
496&spi2 {
497	wacky_spi_audio: spi2@0 {
498		compatible = "realtek,rt5514";
499		reg = <0>;
500		interrupt-parent = <&gpio1>;
501		interrupts = <13 IRQ_TYPE_LEVEL_HIGH>;
502		pinctrl-names = "default";
503		pinctrl-0 = <&mic_int>;
504		/* May run faster once verified. */
505		spi-max-frequency = <10000000>;
506		wakeup-source;
507	};
508};
509
510&pci_rootport {
511	mvl_wifi: wifi@0,0 {
512		compatible = "pci1b4b,2b42";
513		reg = <0x83010000 0x0 0x00000000 0x0 0x00100000
514		       0x83010000 0x0 0x00100000 0x0 0x00100000>;
515		interrupt-parent = <&gpio0>;
516		interrupts = <8 IRQ_TYPE_LEVEL_LOW>;
517		pinctrl-names = "default";
518		pinctrl-0 = <&wlan_host_wake_l>;
519		wakeup-source;
520	};
521};
522
523&tcphy1 {
524	status = "okay";
525	extcon = <&usbc_extcon1>;
526};
527
528&u2phy1 {
529	status = "okay";
530};
531
532&usb_host0_ehci {
533	status = "okay";
534};
535
536&usb_host1_ehci {
537	status = "okay";
538};
539
540&usb_host1_ohci {
541	status = "okay";
542};
543
544&usbdrd3_1 {
545	status = "okay";
546	extcon = <&usbc_extcon1>;
547};
548
549&usbdrd_dwc3_1 {
550	status = "okay";
551	dr_mode = "host";
552};
553
554&pinctrl {
555	discrete-regulators {
556		pp1500_en: pp1500-en {
557			rockchip,pins = <0 RK_PB2 RK_FUNC_GPIO
558					 &pcfg_pull_none>;
559		};
560
561		pp1800_audio_en: pp1800-audio-en {
562			rockchip,pins = <0 RK_PA2 RK_FUNC_GPIO
563					 &pcfg_pull_down>;
564		};
565
566		pp3000_en: pp3000-en {
567			rockchip,pins = <0 RK_PB4 RK_FUNC_GPIO
568					 &pcfg_pull_none>;
569		};
570
571		pp3300_disp_en: pp3300-disp-en {
572			rockchip,pins = <4 RK_PD3 RK_FUNC_GPIO
573					 &pcfg_pull_none>;
574		};
575
576		wlan_module_pd_l: wlan-module-pd-l {
577			rockchip,pins = <0 RK_PA4 RK_FUNC_GPIO
578					 &pcfg_pull_down>;
579		};
580	};
581};
582
583&wifi {
584	wifi_perst_l: wifi-perst-l {
585		rockchip,pins = <2 RK_PD3 RK_FUNC_GPIO &pcfg_pull_none>;
586	};
587
588	wlan_host_wake_l: wlan-host-wake-l {
589		/* Kevin has an external pull up, but Bob does not */
590		rockchip,pins = <0 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;
591	};
592};
593