1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3 * Copyright (c) 2017 Theobroma Systems Design und Consulting GmbH
4 */
5
6 #include <dt-bindings/pwm/pwm.h>
7 #include "rk3399.dtsi"
8
9 / {
10 aliases {
11 ethernet0 = &gmac;
12 mmc0 = &sdhci;
13 };
14
15 leds {
16 compatible = "gpio-leds";
17 pinctrl-names = "default";
18 pinctrl-0 = <&module_led_pin>;
19
20 module_led: led-0 {
21 label = "module_led";
22 gpios = <&gpio2 RK_PD1 GPIO_ACTIVE_HIGH>;
23 linux,default-trigger = "heartbeat";
24 panic-indicator;
25 };
26 };
27
28 extcon_usb3: extcon-usb3 {
29 compatible = "linux,extcon-usb-gpio";
30 id-gpios = <&gpio1 RK_PC2 GPIO_ACTIVE_HIGH>;
31 pinctrl-names = "default";
32 pinctrl-0 = <&usb3_id>;
33 };
34
35 clkin_gmac: external-gmac-clock {
36 compatible = "fixed-clock";
37 clock-frequency = <125000000>;
38 clock-output-names = "clkin_gmac";
39 #clock-cells = <0>;
40 };
41
42 vcc1v2_phy: vcc1v2-phy {
43 compatible = "regulator-fixed";
44 regulator-name = "vcc1v2_phy";
45 regulator-always-on;
46 regulator-boot-on;
47 regulator-min-microvolt = <1200000>;
48 regulator-max-microvolt = <1200000>;
49 vin-supply = <&vcc5v0_sys>;
50 };
51
52 vcc3v3_sys: vcc3v3-sys {
53 compatible = "regulator-fixed";
54 regulator-name = "vcc3v3_sys";
55 regulator-always-on;
56 regulator-boot-on;
57 regulator-min-microvolt = <3300000>;
58 regulator-max-microvolt = <3300000>;
59 vin-supply = <&vcc5v0_sys>;
60 };
61
62 vcc5v0_host: vcc5v0-host-regulator {
63 compatible = "regulator-fixed";
64 gpio = <&gpio4 RK_PA3 GPIO_ACTIVE_LOW>;
65 pinctrl-names = "default";
66 pinctrl-0 = <&vcc5v0_host_en>;
67 regulator-name = "vcc5v0_host";
68 regulator-always-on;
69 vin-supply = <&vcc5v0_sys>;
70 };
71
72 vcc5v0_sys: vcc5v0-sys {
73 compatible = "regulator-fixed";
74 regulator-name = "vcc5v0_sys";
75 regulator-always-on;
76 regulator-boot-on;
77 regulator-min-microvolt = <5000000>;
78 regulator-max-microvolt = <5000000>;
79 };
80
81 vcca_0v9: vcca-0v9-regulator {
82 compatible = "regulator-fixed";
83 regulator-name = "vcca_0v9";
84 regulator-always-on;
85 regulator-boot-on;
86 regulator-min-microvolt = <900000>;
87 regulator-max-microvolt = <900000>;
88 vin-supply = <&vcc_1v8>;
89 };
90
91 vcca_1v8: vcca-1v8-regulator {
92 compatible = "regulator-fixed";
93 regulator-name = "vcca_1v8";
94 regulator-always-on;
95 regulator-boot-on;
96 regulator-min-microvolt = <1800000>;
97 regulator-max-microvolt = <1800000>;
98 vin-supply = <&vcc3v3_sys>;
99 };
100
101 vdd_log: vdd-log {
102 compatible = "pwm-regulator";
103 pwms = <&pwm2 0 25000 1>;
104 pwm-supply = <&vcc5v0_sys>;
105 regulator-name = "vdd_log";
106 regulator-min-microvolt = <800000>;
107 regulator-max-microvolt = <1400000>;
108 regulator-always-on;
109 regulator-boot-on;
110 };
111 };
112
113 &cpu_b0 {
114 cpu-supply = <&vdd_cpu_b>;
115 };
116
117 &cpu_b1 {
118 cpu-supply = <&vdd_cpu_b>;
119 };
120
121 &cpu_l0 {
122 cpu-supply = <&vdd_cpu_l>;
123 };
124
125 &cpu_l1 {
126 cpu-supply = <&vdd_cpu_l>;
127 };
128
129 &cpu_l2 {
130 cpu-supply = <&vdd_cpu_l>;
131 };
132
133 &cpu_l3 {
134 cpu-supply = <&vdd_cpu_l>;
135 };
136
137 &emmc_phy {
138 status = "okay";
139 drive-impedance-ohm = <33>;
140 };
141
142 &gpio0 {
143 /*
144 * The BIOS_DISABLE hog is a feedback pin for the actual status of the
145 * signal. This usually represents the state of a switch on the baseboard.
146 * The pin has a 10k pull-up resistor connected, so no pull-up setting is needed.
147 */
148 bios-disable-hog {
149 gpios = <RK_PB0 GPIO_ACTIVE_HIGH>;
150 gpio-hog;
151 input;
152 line-name = "bios_disable";
153 };
154 };
155
156 &gpio3 {
157 /*
158 * The Qseven BIOS_DISABLE signal on the RK3399-Q7 keeps the on-module
159 * eMMC and SPI flash powered-down initially (in fact it keeps the
160 * reset signal asserted). BIOS_DISABLE_OVERRIDE pin allows to override
161 * that signal so that eMMC and SPI can be used regardless of the state
162 * of the signal.
163 */
164 bios-disable-override-hog {
165 gpios = <RK_PD5 GPIO_ACTIVE_LOW>;
166 gpio-hog;
167 line-name = "bios_disable_override";
168 output-high;
169 };
170 };
171
172 &gmac {
173 assigned-clocks = <&cru SCLK_RMII_SRC>;
174 assigned-clock-parents = <&clkin_gmac>;
175 clock_in_out = "input";
176 phy-supply = <&vcc1v2_phy>;
177 phy-mode = "rgmii";
178 pinctrl-names = "default";
179 pinctrl-0 = <&rgmii_pins>;
180 snps,reset-gpio = <&gpio3 RK_PC0 GPIO_ACTIVE_LOW>;
181 snps,reset-active-low;
182 snps,reset-delays-us = <0 10000 50000>;
183 tx_delay = <0x10>;
184 rx_delay = <0x10>;
185 status = "okay";
186 };
187
188 &gpu {
189 mali-supply = <&vdd_gpu>;
190 status = "okay";
191 };
192
193 &i2c0 {
194 status = "okay";
195 i2c-scl-rising-time-ns = <168>;
196 i2c-scl-falling-time-ns = <4>;
197 clock-frequency = <400000>;
198
199 rk808: pmic@1b {
200 compatible = "rockchip,rk808";
201 reg = <0x1b>;
202 interrupt-parent = <&gpio1>;
203 interrupts = <22 IRQ_TYPE_LEVEL_LOW>;
204 #clock-cells = <1>;
205 clock-output-names = "xin32k", "rk808-clkout2";
206 pinctrl-names = "default";
207 pinctrl-0 = <&pmic_int_l>;
208 rockchip,system-power-controller;
209 wakeup-source;
210
211 vcc1-supply = <&vcc5v0_sys>;
212 vcc2-supply = <&vcc5v0_sys>;
213 vcc3-supply = <&vcc5v0_sys>;
214 vcc4-supply = <&vcc5v0_sys>;
215 vcc6-supply = <&vcc5v0_sys>;
216 vcc7-supply = <&vcc5v0_sys>;
217 vcc8-supply = <&vcc3v3_sys>;
218 vcc9-supply = <&vcc5v0_sys>;
219 vcc10-supply = <&vcc5v0_sys>;
220 vcc11-supply = <&vcc5v0_sys>;
221 vcc12-supply = <&vcc3v3_sys>;
222 vddio-supply = <&vcc1v8_pmu>;
223
224 regulators {
225 vdd_center: DCDC_REG1 {
226 regulator-name = "vdd_center";
227 regulator-min-microvolt = <750000>;
228 regulator-max-microvolt = <1350000>;
229 regulator-ramp-delay = <6001>;
230 regulator-always-on;
231 regulator-boot-on;
232 regulator-state-mem {
233 regulator-off-in-suspend;
234 };
235 };
236
237 vdd_cpu_l: DCDC_REG2 {
238 regulator-name = "vdd_cpu_l";
239 regulator-min-microvolt = <750000>;
240 regulator-max-microvolt = <1350000>;
241 regulator-ramp-delay = <6001>;
242 regulator-always-on;
243 regulator-boot-on;
244 regulator-state-mem {
245 regulator-off-in-suspend;
246 };
247 };
248
249 vcc_ddr: DCDC_REG3 {
250 regulator-name = "vcc_ddr";
251 regulator-always-on;
252 regulator-boot-on;
253 regulator-state-mem {
254 regulator-on-in-suspend;
255 };
256 };
257
258 vcc_1v8: DCDC_REG4 {
259 regulator-name = "vcc_1v8";
260 regulator-min-microvolt = <1800000>;
261 regulator-max-microvolt = <1800000>;
262 regulator-always-on;
263 regulator-boot-on;
264 regulator-state-mem {
265 regulator-on-in-suspend;
266 regulator-suspend-microvolt = <1800000>;
267 };
268 };
269
270 vcc_ldo1: LDO_REG1 {
271 regulator-name = "vcc_ldo1";
272 regulator-min-microvolt = <1800000>;
273 regulator-max-microvolt = <1800000>;
274 regulator-boot-on;
275 regulator-state-mem {
276 regulator-off-in-suspend;
277 };
278 };
279
280 vcc1v8_hdmi: LDO_REG2 {
281 regulator-name = "vcc1v8_hdmi";
282 regulator-min-microvolt = <1800000>;
283 regulator-max-microvolt = <1800000>;
284 regulator-always-on;
285 regulator-boot-on;
286 regulator-state-mem {
287 regulator-off-in-suspend;
288 };
289 };
290
291 vcc1v8_pmu: LDO_REG3 {
292 regulator-name = "vcc1v8_pmu";
293 regulator-min-microvolt = <1800000>;
294 regulator-max-microvolt = <1800000>;
295 regulator-always-on;
296 regulator-boot-on;
297 regulator-state-mem {
298 regulator-on-in-suspend;
299 regulator-suspend-microvolt = <1800000>;
300 };
301 };
302
303 vcc_sd: LDO_REG4 {
304 regulator-name = "vcc_sd";
305 regulator-min-microvolt = <1800000>;
306 regulator-max-microvolt = <3000000>;
307 regulator-always-on;
308 regulator-boot-on;
309 regulator-state-mem {
310 regulator-on-in-suspend;
311 regulator-suspend-microvolt = <3000000>;
312 };
313 };
314
315 vcc_ldo5: LDO_REG5 {
316 regulator-name = "vcc_ldo5";
317 regulator-min-microvolt = <3000000>;
318 regulator-max-microvolt = <3000000>;
319 regulator-boot-on;
320 regulator-state-mem {
321 regulator-off-in-suspend;
322 };
323 };
324
325 vcc_ldo6: LDO_REG6 {
326 regulator-name = "vcc_ldo6";
327 regulator-min-microvolt = <1500000>;
328 regulator-max-microvolt = <1500000>;
329 regulator-boot-on;
330 regulator-state-mem {
331 regulator-off-in-suspend;
332 };
333 };
334
335 vcc0v9_hdmi: LDO_REG7 {
336 regulator-name = "vcc0v9_hdmi";
337 regulator-min-microvolt = <900000>;
338 regulator-max-microvolt = <900000>;
339 regulator-always-on;
340 regulator-boot-on;
341 regulator-state-mem {
342 regulator-off-in-suspend;
343 };
344 };
345
346 vcc_efuse: LDO_REG8 {
347 regulator-name = "vcc_efuse";
348 regulator-min-microvolt = <1800000>;
349 regulator-max-microvolt = <1800000>;
350 regulator-always-on;
351 regulator-boot-on;
352 regulator-state-mem {
353 regulator-off-in-suspend;
354 };
355 };
356
357 vcc3v3_s3: SWITCH_REG1 {
358 regulator-name = "vcc3v3_s3";
359 regulator-always-on;
360 regulator-boot-on;
361 regulator-state-mem {
362 regulator-off-in-suspend;
363 };
364 };
365
366 vcc3v3_s0: SWITCH_REG2 {
367 regulator-name = "vcc3v3_s0";
368 regulator-always-on;
369 regulator-boot-on;
370 regulator-state-mem {
371 regulator-off-in-suspend;
372 };
373 };
374 };
375 };
376
377 vdd_gpu: regulator@60 {
378 compatible = "fcs,fan53555";
379 reg = <0x60>;
380 fcs,suspend-voltage-selector = <1>;
381 regulator-name = "vdd_gpu";
382 regulator-min-microvolt = <600000>;
383 regulator-max-microvolt = <1230000>;
384 regulator-ramp-delay = <1000>;
385 regulator-always-on;
386 regulator-boot-on;
387 vin-supply = <&vcc5v0_sys>;
388 };
389 };
390
391 &i2c7 {
392 status = "okay";
393 clock-frequency = <400000>;
394
395 fan: fan@18 {
396 compatible = "ti,amc6821";
397 reg = <0x18>;
398 #cooling-cells = <2>;
399 };
400
401 rtc_twi: rtc@6f {
402 compatible = "isil,isl1208";
403 reg = <0x6f>;
404 };
405 };
406
407 &i2c8 {
408 status = "okay";
409 clock-frequency = <400000>;
410
411 vdd_cpu_b: regulator@60 {
412 compatible = "fcs,fan53555";
413 reg = <0x60>;
414 vin-supply = <&vcc5v0_sys>;
415 regulator-name = "vdd_cpu_b";
416 regulator-min-microvolt = <600000>;
417 regulator-max-microvolt = <1230000>;
418 regulator-ramp-delay = <1000>;
419 fcs,suspend-voltage-selector = <1>;
420 regulator-always-on;
421 regulator-boot-on;
422 };
423 };
424
425 &i2s0 {
426 pinctrl-0 = <&i2s0_2ch_bus>;
427 pinctrl-1 = <&i2s0_2ch_bus_bclk_off>;
428 rockchip,playback-channels = <2>;
429 rockchip,capture-channels = <2>;
430 status = "okay";
431 };
432
433 /*
434 * As Q7 does not specify neither a global nor a RX clock for I2S these
435 * signals are not used. Furthermore I2S0_LRCK_RX is used as GPIO.
436 * Therefore we have to redefine the i2s0_2ch_bus and i2s0_2ch_bus_bclk_off
437 * definitions to prevent conflicts.
438 */
439 &i2s0_2ch_bus {
440 rockchip,pins =
441 <3 RK_PD0 1 &pcfg_pull_none>,
442 <3 RK_PD2 1 &pcfg_pull_none>,
443 <3 RK_PD3 1 &pcfg_pull_none>,
444 <3 RK_PD7 1 &pcfg_pull_none>;
445 };
446
447 &i2s0_2ch_bus_bclk_off {
448 rockchip,pins =
449 <3 RK_PD0 RK_FUNC_GPIO &pcfg_pull_none>,
450 <3 RK_PD2 1 &pcfg_pull_none>,
451 <3 RK_PD3 1 &pcfg_pull_none>,
452 <3 RK_PD7 1 &pcfg_pull_none>;
453 };
454
455 &io_domains {
456 status = "okay";
457 bt656-supply = <&vcc_1v8>;
458 audio-supply = <&vcc_1v8>;
459 sdmmc-supply = <&vcc_sd>;
460 gpio1830-supply = <&vcc_1v8>;
461 };
462
463 &pcie0 {
464 /* PCIe PHY supplies */
465 vpcie0v9-supply = <&vcca_0v9>;
466 vpcie1v8-supply = <&vcca_1v8>;
467 };
468
469 &pcie_clkreqn_cpm {
470 rockchip,pins =
471 <2 RK_PD2 RK_FUNC_GPIO &pcfg_pull_up>;
472 };
473
474 &pinctrl {
475 pinctrl-names = "default";
476 pinctrl-0 = <&q7_thermal_pin &bios_disable_override_hog_pin>;
477
478 gpios {
479 bios_disable_override_hog_pin: bios-disable-override-hog-pin {
480 rockchip,pins =
481 <3 RK_PD5 RK_FUNC_GPIO &pcfg_pull_down>;
482 };
483
484 q7_thermal_pin: q7-thermal-pin {
485 rockchip,pins =
486 <0 RK_PA3 RK_FUNC_GPIO &pcfg_pull_up>;
487 };
488 };
489
490 i2c8 {
491 i2c8_xfer_a: i2c8-xfer {
492 rockchip,pins =
493 <1 RK_PC4 1 &pcfg_pull_up>,
494 <1 RK_PC5 1 &pcfg_pull_up>;
495 };
496 };
497
498 leds {
499 module_led_pin: module-led-pin {
500 rockchip,pins =
501 <2 RK_PD1 RK_FUNC_GPIO &pcfg_pull_none>;
502 };
503 };
504
505 pmic {
506 pmic_int_l: pmic-int-l {
507 rockchip,pins =
508 <1 RK_PC6 RK_FUNC_GPIO &pcfg_pull_up>;
509 };
510 };
511
512 usb2 {
513 vcc5v0_host_en: vcc5v0-host-en {
514 rockchip,pins =
515 <4 RK_PA3 RK_FUNC_GPIO &pcfg_pull_none>;
516 };
517 };
518
519 usb3 {
520 usb3_id: usb3-id {
521 rockchip,pins =
522 <1 RK_PC2 RK_FUNC_GPIO &pcfg_pull_up>;
523 };
524 };
525 };
526
527 &pmu_io_domains {
528 status = "okay";
529 pmu1830-supply = <&vcc_1v8>;
530 };
531
532 &pwm2 {
533 status = "okay";
534 };
535
536 &sdhci {
537 /*
538 * Signal integrity isn't great at 200MHz but 100MHz has proven stable
539 * enough.
540 */
541 max-frequency = <100000000>;
542
543 bus-width = <8>;
544 mmc-hs400-1_8v;
545 mmc-hs400-enhanced-strobe;
546 non-removable;
547 status = "okay";
548 };
549
550 &sdmmc {
551 vqmmc-supply = <&vcc_sd>;
552 };
553
554 &spi1 {
555 status = "okay";
556
557 norflash: flash@0 {
558 compatible = "jedec,spi-nor";
559 reg = <0>;
560 spi-max-frequency = <50000000>;
561 };
562 };
563
564 &tcphy1 {
565 status = "okay";
566 };
567
568 &tsadc {
569 rockchip,hw-tshut-mode = <1>;
570 rockchip,hw-tshut-polarity = <1>;
571 status = "okay";
572 };
573
574 &u2phy1 {
575 status = "okay";
576
577 u2phy1_otg: otg-port {
578 status = "okay";
579 };
580
581 u2phy1_host: host-port {
582 phy-supply = <&vcc5v0_host>;
583 status = "okay";
584 };
585 };
586
587 &usbdrd3_1 {
588 status = "okay";
589 };
590
591 &usbdrd_dwc3_1 {
592 status = "okay";
593 dr_mode = "host";
594 };
595
596 &usb_host1_ehci {
597 status = "okay";
598 };
599
600 &usb_host1_ohci {
601 status = "okay";
602 };
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