1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3 * Copyright (c) 2024 Chris Morgan <macromorgan@hotmail.com>
4 */
5
6 /dts-v1/;
7 #include <dt-bindings/gpio/gpio.h>
8 #include <dt-bindings/input/input.h>
9 #include <dt-bindings/leds/common.h>
10 #include <dt-bindings/pinctrl/rockchip.h>
11 #include "rk3326.dtsi"
12
13 / {
14 model = "GameForce Chi";
15 compatible = "gameforce,chi", "rockchip,rk3326";
16 chassis-type = "handset";
17
18 aliases {
19 mmc0 = &sdmmc;
20 mmc1 = &sdio;
21 };
22
23 chosen {
24 stdout-path = "serial2:115200n8";
25 };
26
27 adc_joystick: adc-joystick {
28 compatible = "adc-joystick";
29 io-channels = <&saradc 0>,
30 <&saradc 1>;
31 poll-interval = <100>;
32 #address-cells = <1>;
33 #size-cells = <0>;
34
35 axis@0 {
36 reg = <0>;
37 abs-flat = <10>;
38 abs-fuzz = <10>;
39 abs-range = <850 175>;
40 linux,code = <ABS_Y>;
41 };
42
43 axis@1 {
44 reg = <1>;
45 abs-flat = <10>;
46 abs-fuzz = <10>;
47 abs-range = <800 190>;
48 linux,code = <ABS_X>;
49 };
50 };
51
52 adc_keys: adc-keys {
53 compatible = "adc-keys";
54 io-channels = <&saradc 2>;
55 io-channel-names = "buttons";
56 keyup-threshold-microvolt = <1800000>;
57 poll-interval = <60>;
58
59 button-1 {
60 label = "HAPPY1";
61 linux,code = <BTN_TRIGGER_HAPPY1>;
62 press-threshold-microvolt = <15000>;
63 };
64
65 button-2 {
66 label = "HAPPY2";
67 linux,code = <BTN_TRIGGER_HAPPY2>;
68 press-threshold-microvolt = <300000>;
69 };
70 };
71
72 backlight: backlight {
73 compatible = "pwm-backlight";
74 power-supply = <&vcc_bl>;
75 pwms = <&pwm1 0 25000 0>;
76 };
77
78 battery: battery {
79 compatible = "simple-battery";
80 charge-full-design-microamp-hours = <3000000>;
81 charge-term-current-microamp = <300000>;
82 constant-charge-current-max-microamp = <1500000>;
83 constant-charge-voltage-max-microvolt = <4200000>;
84 factory-internal-resistance-micro-ohms = <180000>;
85 ocv-capacity-celsius = <20>;
86 ocv-capacity-table-0 = <4106000 100>, <4071000 95>, <4018000 90>, <3975000 85>,
87 <3946000 80>, <3908000 75>, <3877000 70>, <3853000 65>,
88 <3834000 60>, <3816000 55>, <3802000 50>, <3788000 45>,
89 <3774000 40>, <3760000 35>, <3748000 30>, <3735000 25>,
90 <3718000 20>, <3697000 15>, <3685000 10>, <3625000 5>,
91 <3400000 0>;
92 voltage-max-design-microvolt = <4250000>;
93 voltage-min-design-microvolt = <3400000>;
94 };
95
96 gpio_leds: gpio-leds {
97 compatible = "gpio-leds";
98 pinctrl-names = "default";
99 pinctrl-0 = <&led_pins>;
100
101 red_led: led-0 {
102 color = <LED_COLOR_ID_RED>;
103 gpios = <&gpio3 RK_PC4 GPIO_ACTIVE_HIGH>;
104 };
105
106 green_led: led-1 {
107 color = <LED_COLOR_ID_GREEN>;
108 gpios = <&gpio3 RK_PC5 GPIO_ACTIVE_HIGH>;
109 };
110
111 blue_led: led-2 {
112 color = <LED_COLOR_ID_BLUE>;
113 gpios = <&gpio3 RK_PC6 GPIO_ACTIVE_HIGH>;
114 };
115
116 white_led: led-3 {
117 color = <LED_COLOR_ID_WHITE>;
118 function = LED_FUNCTION_STATUS;
119 gpios = <&gpio3 RK_PB3 GPIO_ACTIVE_HIGH>;
120 };
121
122 chg_led: led-4 {
123 color = <LED_COLOR_ID_RED>;
124 function = LED_FUNCTION_CHARGING;
125 gpios = <&gpio3 RK_PB2 GPIO_ACTIVE_HIGH>;
126 };
127
128 };
129
130 gpio_keys: gpio-keys {
131 compatible = "gpio-keys";
132 pinctrl-0 = <&btn_pins_ctrl>;
133 pinctrl-names = "default";
134
135 button-a {
136 gpios = <&gpio2 RK_PB0 GPIO_ACTIVE_LOW>;
137 label = "EAST";
138 linux,code = <BTN_EAST>;
139 };
140
141 button-b {
142 gpios = <&gpio2 RK_PB1 GPIO_ACTIVE_LOW>;
143 label = "SOUTH";
144 linux,code = <BTN_SOUTH>;
145 };
146
147 button-down {
148 gpios = <&gpio1 RK_PB5 GPIO_ACTIVE_LOW>;
149 label = "DPAD-DOWN";
150 linux,code = <BTN_DPAD_DOWN>;
151 };
152
153 button-home {
154 gpios = <&gpio2 RK_PA0 GPIO_ACTIVE_LOW>;
155 label = "HOME";
156 linux,code = <BTN_MODE>;
157 };
158
159 button-l1 {
160 gpios = <&gpio2 RK_PA6 GPIO_ACTIVE_LOW>;
161 label = "TL";
162 linux,code = <BTN_TL>;
163 };
164
165 button-l2 {
166 gpios = <&gpio2 RK_PA4 GPIO_ACTIVE_LOW>;
167 label = "TL2";
168 linux,code = <BTN_TL2>;
169 };
170
171 button-left {
172 gpios = <&gpio1 RK_PB6 GPIO_ACTIVE_LOW>;
173 label = "DPAD-LEFT";
174 linux,code = <BTN_DPAD_LEFT>;
175 };
176
177 button-r1 {
178 gpios = <&gpio2 RK_PA7 GPIO_ACTIVE_LOW>;
179 label = "TR";
180 linux,code = <BTN_TR>;
181 };
182
183 button-r2 {
184 gpios = <&gpio2 RK_PA5 GPIO_ACTIVE_LOW>;
185 label = "TR2";
186 linux,code = <BTN_TR2>;
187 };
188
189 button-right {
190 gpios = <&gpio1 RK_PB7 GPIO_ACTIVE_LOW>;
191 label = "DPAD-RIGHT";
192 linux,code = <BTN_DPAD_RIGHT>;
193 };
194
195 button-select {
196 gpios = <&gpio2 RK_PA3 GPIO_ACTIVE_LOW>;
197 label = "SELECT";
198 linux,code = <BTN_SELECT>;
199 };
200
201 button-start {
202 gpios = <&gpio2 RK_PA2 GPIO_ACTIVE_LOW>;
203 label = "START";
204 linux,code = <BTN_START>;
205 };
206
207 button-up {
208 gpios = <&gpio1 RK_PB4 GPIO_ACTIVE_LOW>;
209 label = "DPAD-UP";
210 linux,code = <BTN_DPAD_UP>;
211 };
212
213 button-x {
214 gpios = <&gpio2 RK_PB3 GPIO_ACTIVE_LOW>;
215 label = "NORTH";
216 linux,code = <BTN_NORTH>;
217 };
218
219 button-y {
220 gpios = <&gpio2 RK_PB2 GPIO_ACTIVE_LOW>;
221 label = "WEST";
222 linux,code = <BTN_WEST>;
223 };
224 };
225
226 multi-led {
227 compatible = "leds-group-multicolor";
228 color = <LED_COLOR_ID_RGB>;
229 function = LED_FUNCTION_KBD_BACKLIGHT;
230 leds = <&red_led>, <&green_led>, <&blue_led>;
231 };
232
233 spk_amp: audio-amplifier {
234 compatible = "simple-audio-amplifier";
235 enable-gpios = <&gpio2 RK_PB5 GPIO_ACTIVE_HIGH>;
236 pinctrl-0 = <&spk_amp_enable_h>;
237 pinctrl-names = "default";
238 sound-name-prefix = "Speaker Amp";
239 };
240
241 sound {
242 compatible = "simple-audio-card";
243 pinctrl-0 = <&hp_det>;
244 pinctrl-names = "default";
245 simple-audio-card,name = "rk817_ext";
246 simple-audio-card,aux-devs = <&spk_amp>;
247 simple-audio-card,format = "i2s";
248 simple-audio-card,hp-det-gpio = <&gpio2 RK_PC6 GPIO_ACTIVE_HIGH>;
249 simple-audio-card,mclk-fs = <256>;
250 simple-audio-card,widgets =
251 "Microphone", "Mic Jack",
252 "Headphone", "Headphones",
253 "Speaker", "Internal Speakers";
254 simple-audio-card,routing =
255 "MICL", "Mic Jack",
256 "Headphones", "HPOL",
257 "Headphones", "HPOR",
258 "Internal Speakers", "Speaker Amp OUTL",
259 "Internal Speakers", "Speaker Amp OUTR",
260 "Speaker Amp INL", "HPOL",
261 "Speaker Amp INR", "HPOR";
262 simple-audio-card,pin-switches = "Internal Speakers";
263
264 simple-audio-card,codec {
265 sound-dai = <&rk817>;
266 };
267
268 simple-audio-card,cpu {
269 sound-dai = <&i2s1_2ch>;
270 };
271 };
272
273 vibrator_left: pwm-vibrator-l {
274 compatible = "pwm-vibrator";
275 pwm-names = "enable";
276 pwms = <&pwm4 0 25000 0>;
277 };
278
279 vibrator_right: pwm-vibrator-r {
280 compatible = "pwm-vibrator";
281 pwm-names = "enable";
282 pwms = <&pwm5 0 25000 0>;
283 };
284
285 sdio_pwrseq: sdio-pwrseq {
286 compatible = "mmc-pwrseq-simple";
287 clocks = <&rk817 1>;
288 clock-names = "ext_clock";
289 pinctrl-0 = <&wifi_enable_h>;
290 pinctrl-names = "default";
291 post-power-on-delay-ms = <200>;
292 reset-gpios = <&gpio0 RK_PA2 GPIO_ACTIVE_LOW>;
293 };
294
295 vccsys: vccsys-regulator {
296 compatible = "regulator-fixed";
297 regulator-name = "vcc3v8_sys";
298 regulator-always-on;
299 regulator-min-microvolt = <3800000>;
300 regulator-max-microvolt = <3800000>;
301 };
302 };
303
304 &cpu0 {
305 cpu-supply = <&vdd_arm>;
306 };
307
308 &cpu1 {
309 cpu-supply = <&vdd_arm>;
310 };
311
312 &cpu2 {
313 cpu-supply = <&vdd_arm>;
314 };
315
316 &cpu3 {
317 cpu-supply = <&vdd_arm>;
318 };
319
320 &display_subsystem {
321 status = "okay";
322 };
323
324 &dsi {
325 status = "okay";
326
327 internal_display: panel@0 {
328 reg = <0>;
329 compatible = "gameforce,chi-panel";
330 backlight = <&backlight>;
331 iovcc-supply = <&vcc_lcd>;
332 vcc-supply = <&vcc_lcd>;
333 reset-gpios = <&gpio3 RK_PA0 GPIO_ACTIVE_LOW>;
334
335 port {
336 mipi_in_panel: endpoint {
337 remote-endpoint = <&mipi_out_panel>;
338 };
339 };
340 };
341
342 ports {
343 mipi_out: port@1 {
344 reg = <1>;
345
346 mipi_out_panel: endpoint {
347 remote-endpoint = <&mipi_in_panel>;
348 };
349 };
350 };
351 };
352
353 &dsi_dphy {
354 status = "okay";
355 };
356
357 &gpu {
358 mali-supply = <&vdd_logic>;
359 status = "okay";
360 };
361
362 &i2c0 {
363 clock-frequency = <400000>;
364 i2c-scl-falling-time-ns = <16>;
365 i2c-scl-rising-time-ns = <280>;
366 status = "okay";
367
368 rk817: pmic@20 {
369 compatible = "rockchip,rk817";
370 reg = <0x20>;
371 #clock-cells = <1>;
372 clock-names = "mclk";
373 clock-output-names = "rk808-clkout1", "xin32k";
374 clocks = <&cru SCLK_I2S1_OUT>;
375 interrupt-parent = <&gpio0>;
376 interrupts = <RK_PC1 IRQ_TYPE_LEVEL_LOW>;
377 pinctrl-0 = <&pmic_int>, <&i2s1_2ch_mclk>;
378 pinctrl-names = "default";
379 #sound-dai-cells = <0>;
380 system-power-controller;
381 wakeup-source;
382
383 vcc1-supply = <&vccsys>;
384 vcc2-supply = <&vccsys>;
385 vcc3-supply = <&vccsys>;
386 vcc4-supply = <&vccsys>;
387 vcc5-supply = <&vccsys>;
388 vcc6-supply = <&vccsys>;
389 vcc7-supply = <&vcc_3v0>;
390 vcc8-supply = <&vccsys>;
391 vcc9-supply = <&dcdc_boost>;
392
393 regulators {
394 vdd_logic: DCDC_REG1 {
395 regulator-always-on;
396 regulator-boot-on;
397 regulator-max-microvolt = <1150000>;
398 regulator-min-microvolt = <950000>;
399 regulator-name = "vdd_logic";
400 regulator-ramp-delay = <6001>;
401
402 regulator-state-mem {
403 regulator-on-in-suspend;
404 regulator-suspend-microvolt = <950000>;
405 };
406 };
407
408 vdd_arm: DCDC_REG2 {
409 regulator-always-on;
410 regulator-boot-on;
411 regulator-max-microvolt = <1350000>;
412 regulator-min-microvolt = <950000>;
413 regulator-name = "vdd_arm";
414 regulator-ramp-delay = <6001>;
415
416 regulator-state-mem {
417 regulator-off-in-suspend;
418 regulator-suspend-microvolt = <950000>;
419 };
420 };
421
422 vcc_ddr: DCDC_REG3 {
423 regulator-always-on;
424 regulator-boot-on;
425 regulator-name = "vcc_ddr";
426
427 regulator-state-mem {
428 regulator-on-in-suspend;
429 };
430 };
431
432 vcc_3v0: DCDC_REG4 {
433 regulator-always-on;
434 regulator-boot-on;
435 regulator-max-microvolt = <3000000>;
436 regulator-min-microvolt = <3000000>;
437 regulator-name = "vcc_3v0";
438
439 regulator-state-mem {
440 regulator-off-in-suspend;
441 regulator-suspend-microvolt = <3000000>;
442 };
443 };
444
445 vcc_1v8: LDO_REG2 {
446 regulator-always-on;
447 regulator-boot-on;
448 regulator-max-microvolt = <1800000>;
449 regulator-min-microvolt = <1800000>;
450 regulator-name = "vcc_1v8";
451
452 regulator-state-mem {
453 regulator-on-in-suspend;
454 regulator-suspend-microvolt = <1800000>;
455 };
456 };
457
458 vdd_1v0: LDO_REG3 {
459 regulator-always-on;
460 regulator-boot-on;
461 regulator-max-microvolt = <1000000>;
462 regulator-min-microvolt = <1000000>;
463 regulator-name = "vdd_1v0";
464
465 regulator-state-mem {
466 regulator-on-in-suspend;
467 regulator-suspend-microvolt = <1000000>;
468 };
469 };
470
471 vcc_3v0_pmu: LDO_REG4 {
472 regulator-always-on;
473 regulator-boot-on;
474 regulator-max-microvolt = <3000000>;
475 regulator-min-microvolt = <3000000>;
476 regulator-name = "vcc_3v0_pmu";
477
478 regulator-state-mem {
479 regulator-on-in-suspend;
480 regulator-suspend-microvolt = <3000000>;
481 };
482 };
483
484 vccio_sd: LDO_REG5 {
485 regulator-always-on;
486 regulator-boot-on;
487 regulator-max-microvolt = <3300000>;
488 regulator-min-microvolt = <1800000>;
489 regulator-name = "vccio_sd";
490
491 regulator-state-mem {
492 regulator-on-in-suspend;
493 regulator-suspend-microvolt = <3300000>;
494 };
495 };
496
497 vcc_sd: LDO_REG6 {
498 regulator-boot-on;
499 regulator-max-microvolt = <3300000>;
500 regulator-min-microvolt = <3300000>;
501 regulator-name = "vcc_sd";
502
503 regulator-state-mem {
504 regulator-on-in-suspend;
505 regulator-suspend-microvolt = <3300000>;
506 };
507 };
508
509 vcc_bl: LDO_REG7 {
510 regulator-max-microvolt = <3300000>;
511 regulator-min-microvolt = <3300000>;
512 regulator-name = "vcc_bl";
513
514 regulator-state-mem {
515 regulator-off-in-suspend;
516 regulator-suspend-microvolt = <3300000>;
517 };
518 };
519
520 vcc_lcd: LDO_REG8 {
521 regulator-max-microvolt = <2800000>;
522 regulator-min-microvolt = <2800000>;
523 regulator-name = "vcc_lcd";
524
525 regulator-state-mem {
526 regulator-off-in-suspend;
527 regulator-suspend-microvolt = <2800000>;
528 };
529 };
530
531 vcc_wifi: LDO_REG9 {
532 regulator-always-on;
533 regulator-boot-on;
534 regulator-max-microvolt = <3300000>;
535 regulator-min-microvolt = <3300000>;
536 regulator-name = "vcc_wifi";
537
538 regulator-state-mem {
539 regulator-off-in-suspend;
540 regulator-suspend-microvolt = <3300000>;
541 };
542 };
543
544 dcdc_boost: BOOST {
545 regulator-max-microvolt = <5000000>;
546 regulator-min-microvolt = <5000000>;
547 regulator-name = "dcdc_boost";
548
549 regulator-state-mem {
550 regulator-off-in-suspend;
551 };
552 };
553
554 otg_switch: OTG_SWITCH {
555 regulator-name = "otg_switch";
556
557 regulator-state-mem {
558 regulator-off-in-suspend;
559 };
560 };
561 };
562
563 rk817_charger: charger {
564 monitored-battery = <&battery>;
565 rockchip,resistor-sense-micro-ohms = <10000>;
566 rockchip,sleep-enter-current-microamp = <300000>;
567 rockchip,sleep-filter-current-microamp = <100000>;
568 };
569 };
570 };
571
572 &i2s1_2ch {
573 status = "okay";
574 };
575
576 &io_domains {
577 vccio1-supply = <&vcc_3v0_pmu>;
578 vccio2-supply = <&vccio_sd>;
579 vccio3-supply = <&vcc_3v0>;
580 vccio4-supply = <&vcc_3v0>;
581 vccio5-supply = <&vcc_3v0>;
582 vccio6-supply = <&vcc_3v0>;
583 status = "okay";
584 };
585
586 &pinctrl {
587 bluetooth-pins {
588 bt_reset: bt-reset {
589 rockchip,pins =
590 <0 RK_PA0 RK_FUNC_GPIO &pcfg_pull_down>;
591 };
592
593 bt_wake_dev: bt-wake-dev {
594 rockchip,pins =
595 <0 RK_PA1 RK_FUNC_GPIO &pcfg_pull_none>;
596 };
597
598 bt_wake_host: bt-wake-host {
599 rockchip,pins =
600 <0 RK_PA7 RK_FUNC_GPIO &pcfg_pull_none>;
601 };
602 };
603
604 headphone {
605 hp_det: hp-det {
606 rockchip,pins =
607 <2 RK_PC6 RK_FUNC_GPIO &pcfg_pull_up>;
608 };
609 };
610
611 gpio-btns {
612 btn_pins_ctrl: btn-pins-ctrl {
613 rockchip,pins =
614 <1 RK_PB4 RK_FUNC_GPIO &pcfg_pull_up>,
615 <1 RK_PB5 RK_FUNC_GPIO &pcfg_pull_up>,
616 <1 RK_PB6 RK_FUNC_GPIO &pcfg_pull_up>,
617 <1 RK_PB7 RK_FUNC_GPIO &pcfg_pull_up>,
618 <2 RK_PA0 RK_FUNC_GPIO &pcfg_pull_up>,
619 <2 RK_PA2 RK_FUNC_GPIO &pcfg_pull_up>,
620 <2 RK_PA3 RK_FUNC_GPIO &pcfg_pull_up>,
621 <2 RK_PA4 RK_FUNC_GPIO &pcfg_pull_up>,
622 <2 RK_PA5 RK_FUNC_GPIO &pcfg_pull_up>,
623 <2 RK_PA6 RK_FUNC_GPIO &pcfg_pull_up>,
624 <2 RK_PA7 RK_FUNC_GPIO &pcfg_pull_up>,
625 <2 RK_PB0 RK_FUNC_GPIO &pcfg_pull_up>,
626 <2 RK_PB1 RK_FUNC_GPIO &pcfg_pull_up>,
627 <2 RK_PB2 RK_FUNC_GPIO &pcfg_pull_up>,
628 <2 RK_PB3 RK_FUNC_GPIO &pcfg_pull_up>;
629 };
630 };
631
632 gpio-leds {
633 led_pins: led-pins {
634 rockchip,pins =
635 <3 RK_PB2 RK_FUNC_GPIO &pcfg_pull_none>,
636 <3 RK_PB3 RK_FUNC_GPIO &pcfg_pull_none>,
637 <3 RK_PC4 RK_FUNC_GPIO &pcfg_pull_none>,
638 <3 RK_PC5 RK_FUNC_GPIO &pcfg_pull_none>,
639 <3 RK_PC6 RK_FUNC_GPIO &pcfg_pull_none>;
640 };
641 };
642
643 pmic {
644 pmic_int: pmic-int {
645 rockchip,pins =
646 <0 RK_PC1 RK_FUNC_GPIO &pcfg_pull_up>;
647 };
648
649 soc_slppin_gpio: soc_slppin_gpio {
650 rockchip,pins =
651 <0 RK_PA4 RK_FUNC_GPIO &pcfg_output_low>;
652 };
653
654 soc_slppin_rst: soc_slppin_rst {
655 rockchip,pins =
656 <0 RK_PA4 2 &pcfg_pull_none>;
657 };
658
659 soc_slppin_slp: soc_slppin_slp {
660 rockchip,pins =
661 <0 RK_PA4 1 &pcfg_pull_none>;
662 };
663 };
664
665 sdio-pwrseq {
666 wifi_enable_h: wifi-enable-h {
667 rockchip,pins =
668 <0 RK_PA2 RK_FUNC_GPIO &pcfg_pull_none>;
669 };
670 };
671
672 speaker {
673 spk_amp_enable_h: spk-amp-enable-h {
674 rockchip,pins =
675 <2 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>;
676 };
677 };
678 };
679
680 &pmu_io_domains {
681 pmuio1-supply = <&vcc_1v8>;
682 pmuio2-supply = <&vcc_3v0_pmu>;
683 status = "okay";
684 };
685
686 &pwm1 {
687 status = "okay";
688 };
689
690 &pwm4 {
691 status = "okay";
692 };
693
694 &pwm5 {
695 status = "okay";
696 };
697
698 &saradc {
699 vref-supply = <&vcc_1v8>;
700 status = "okay";
701 };
702
703 &sdio {
704 bus-width = <4>;
705 cap-sd-highspeed;
706 cap-sdio-irq;
707 disable-wp;
708 keep-power-in-suspend;
709 mmc-pwrseq = <&sdio_pwrseq>;
710 no-mmc;
711 no-sd;
712 non-removable;
713 sd-uhs-sdr104;
714 status = "okay";
715 };
716
717 &sdmmc {
718 cap-mmc-highspeed;
719 cap-sd-highspeed;
720 no-sdio;
721 sd-uhs-sdr12;
722 sd-uhs-sdr25;
723 sd-uhs-sdr50;
724 sd-uhs-sdr104;
725 vmmc-supply = <&vcc_sd>;
726 vqmmc-supply = <&vccio_sd>;
727 status = "okay";
728 };
729
730 &sfc {
731 #address-cells = <1>;
732 pinctrl-0 = <&sfc_clk &sfc_cs0 &sfc_bus2>;
733 pinctrl-names = "default";
734 #size-cells = <0>;
735 status = "okay";
736
737 flash@0 {
738 compatible = "jedec,spi-nor";
739 reg = <0>;
740 spi-max-frequency = <108000000>;
741 spi-rx-bus-width = <2>;
742 spi-tx-bus-width = <1>;
743 };
744 };
745
746 &tsadc {
747 status = "okay";
748 };
749
750 &u2phy {
751 status = "okay";
752
753 u2phy_otg: otg-port {
754 status = "okay";
755 };
756 };
757
758 &usb20_otg {
759 status = "okay";
760 };
761
762 /*
763 * The right ADC joystick exists connected to an unknown ADC
764 * controller which can be communicated with via uart0. This ADC device
765 * is an 8-pin SOIC with no markings located right next to the left ADC
766 * joystick ribbon cable. The pinout for this ADC controller appears to
767 * be pin 1 - VCC (2.8v), pin 2 - 1.8v (clk maybe?), pin 3 - GPIO 10,
768 * pin 4 - unknown, pin 5 - unknown, pin 6 - analog in, pin 7 - analog in,
769 * pin 8 - ground. There is currently a userspace UART driver for this
770 * device but it only works with the BSP joystick driver.
771 */
772 &uart0 {
773 status = "okay";
774 };
775
776 /*
777 * Bluetooth was not working on BSP and is not currently working on
778 * mainline due to missing firmware. Bluetooth requires removal of DMA
779 * or else it will not probe.
780 */
781 &uart1 {
782 /delete-property/ dma-names;
783 /delete-property/ dmas;
784 uart-has-rtscts;
785 status = "okay";
786
787 bluetooth: bluetooth {
788 compatible = "realtek,rtl8723ds-bt";
789 device-wake-gpios = <&gpio0 RK_PA1 GPIO_ACTIVE_HIGH>;
790 enable-gpios = <&gpio0 RK_PA0 GPIO_ACTIVE_HIGH>;
791 host-wake-gpios = <&gpio0 RK_PA7 GPIO_ACTIVE_HIGH>;
792 pinctrl-0 = <&bt_reset>, <&bt_wake_dev>, <&bt_wake_host>;
793 pinctrl-names = "default";
794 };
795 };
796
797 &uart2 {
798 pinctrl-0 = <&uart2m1_xfer>;
799 pinctrl-names = "default";
800 status = "okay";
801 };
802
803 &vopb {
804 status = "okay";
805 };
806
807 &vopb_mmu {
808 status = "okay";
809 };
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