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1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Devicetree for the Samsung XCover 2 GT-S7710 also known as Skomer.
4 */
5
6/dts-v1/;
7#include "ste-db8500.dtsi"
8#include "ste-ab8505.dtsi"
9#include "ste-dbx5x0-pinctrl.dtsi"
10#include <dt-bindings/gpio/gpio.h>
11#include <dt-bindings/leds/common.h>
12#include <dt-bindings/input/input.h>
13#include <dt-bindings/interrupt-controller/irq.h>
14
15/ {
16 model = "Samsung XCover 2 (GT-S7710)";
17 compatible = "samsung,skomer", "st-ericsson,u8500";
18
19 chosen {
20 stdout-path = &serial2;
21 };
22
23 /* TI TXS0206 level translator for 2.9 V */
24 sd_level_translator: regulator-gpio {
25 compatible = "regulator-fixed";
26
27 /* GPIO87 EN */
28 gpios = <&gpio2 23 GPIO_ACTIVE_HIGH>;
29 enable-active-high;
30
31 regulator-name = "sd-level-translator";
32 regulator-min-microvolt = <2900000>;
33 regulator-max-microvolt = <2900000>;
34 regulator-type = "voltage";
35
36 startup-delay-us = <200>;
37
38 pinctrl-names = "default";
39 pinctrl-0 = <&sd_level_translator_default>;
40 };
41
42 /* External LDO MIC5366-3.3YMT for eMMC */
43 ldo_3v3_reg: regulator-gpio-ldo-3v3 {
44 compatible = "regulator-fixed";
45 regulator-name = "en-3v3-fixed-supply";
46 regulator-min-microvolt = <3300000>;
47 regulator-max-microvolt = <3300000>;
48 gpio = <&gpio6 31 GPIO_ACTIVE_HIGH>;
49 startup-delay-us = <5000>;
50 enable-active-high;
51 pinctrl-names = "default";
52 pinctrl-0 = <&emmc_ldo_en_default_mode>;
53 };
54
55 wlan_en: regulator-gpio-wlan-en {
56 compatible = "regulator-fixed";
57 regulator-name = "wl-reg-on";
58 regulator-min-microvolt = <3000000>;
59 regulator-max-microvolt = <3000000>;
60 startup-delay-us = <200000>;
61 /* GPIO215 WLAN_EN */
62 gpio = <&gpio6 23 GPIO_ACTIVE_HIGH>;
63 enable-active-high;
64 pinctrl-names = "default";
65 pinctrl-0 = <&wlan_en_default_mode>;
66 };
67
68 vibrator {
69 compatible = "gpio-vibrator";
70 enable-gpios = <&gpio6 3 GPIO_ACTIVE_HIGH>;
71 pinctrl-names = "default";
72 pinctrl-0 = <&vibrator_default>;
73 };
74
75 gpio-keys {
76 compatible = "gpio-keys";
77 pinctrl-names = "default";
78 pinctrl-0 = <&gpio_keys_default_mode>;
79
80 button-home {
81 linux,code = <KEY_HOME>;
82 label = "HOME";
83 /* GPIO91 */
84 gpios = <&gpio2 27 GPIO_ACTIVE_LOW>;
85 };
86 button-volup {
87 linux,code = <KEY_VOLUMEUP>;
88 label = "VOL+";
89 /* GPIO67 */
90 gpios = <&gpio2 3 GPIO_ACTIVE_LOW>;
91 };
92 button-voldown {
93 linux,code = <KEY_VOLUMEDOWN>;
94 label = "VOL-";
95 /* GPIO92 */
96 gpios = <&gpio2 28 GPIO_ACTIVE_LOW>;
97 };
98 button-menu {
99 linux,code = <KEY_MENU>;
100 label = "MENU";
101 /* GPIO204 */
102 gpios = <&gpio6 12 GPIO_ACTIVE_LOW>;
103 };
104 button-back {
105 linux,code = <KEY_BACK>;
106 label = "BACK";
107 /* GPIO205 */
108 gpios = <&gpio6 13 GPIO_ACTIVE_LOW>;
109 };
110 };
111
112 ktd253: backlight {
113 compatible = "kinetic,ktd253";
114 /* GPIO 69 */
115 enable-gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>;
116 /* Default to 13/32 brightness */
117 default-brightness = <13>;
118 pinctrl-names = "default";
119 pinctrl-0 = <&gpio_backlight_default_mode>;
120 };
121
122 /* Richtek RT8515GQW Flash LED Driver IC */
123 flash {
124 compatible = "richtek,rt8515";
125 /* GPIO 140 */
126 enf-gpios = <&gpio4 12 GPIO_ACTIVE_HIGH>;
127 /* GPIO 141 */
128 ent-gpios = <&gpio4 13 GPIO_ACTIVE_HIGH>;
129 /*
130 * RFS is 16 kOhm and RTS is 100 kOhm giving
131 * the flash max current 343mA and torch max
132 * current 55 mA.
133 */
134 richtek,rfs-ohms = <16000>;
135 richtek,rts-ohms = <100000>;
136 pinctrl-names = "default";
137 pinctrl-0 = <&gpio_flash_default_mode>;
138
139 led {
140 function = LED_FUNCTION_FLASH;
141 color = <LED_COLOR_ID_WHITE>;
142 flash-max-timeout-us = <250000>;
143 flash-max-microamp = <343750>;
144 led-max-microamp = <55000>;
145 };
146 };
147
148 i2c-gpio-0 {
149 compatible = "i2c-gpio";
150 sda-gpios = <&gpio4 16 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
151 scl-gpios = <&gpio4 15 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
152 pinctrl-names = "default";
153 pinctrl-0 = <&i2c_gpio_0_default>;
154 #address-cells = <1>;
155 #size-cells = <0>;
156 /* TODO: this should be used by the NCP6914 Camera power management unit */
157 };
158
159 i2c-gpio-1 {
160 compatible = "i2c-gpio";
161 sda-gpios = <&gpio4 24 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
162 scl-gpios = <&gpio4 23 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
163 pinctrl-names = "default";
164 pinctrl-0 = <&i2c_gpio_1_default>;
165 #address-cells = <1>;
166 #size-cells = <0>;
167 magnetometer@c {
168 compatible = "alps,hscdtd008a";
169 reg = <0x0c>;
170 avdd-supply = <&ab8500_ldo_aux1_reg>;
171 dvdd-supply = <&ab8500_ldo_aux8_reg>;
172 };
173 };
174
175 soc {
176 // External Micro SD slot
177 mmc@80126000 {
178 arm,primecell-periphid = <0x10480180>;
179 max-frequency = <100000000>;
180 bus-width = <4>;
181 cap-sd-highspeed;
182 cap-mmc-highspeed;
183 /* All direction control is used */
184 st,sig-dir-cmd;
185 st,sig-dir-dat0;
186 st,sig-dir-dat2;
187 st,sig-dir-dat31;
188 st,sig-pin-fbclk;
189 full-pwr-cycle;
190 vmmc-supply = <&ab8500_ldo_aux3_reg>;
191 vqmmc-supply = <&sd_level_translator>;
192 pinctrl-names = "default", "sleep";
193 pinctrl-0 = <&mc0_a_1_default>;
194 pinctrl-1 = <&mc0_a_1_sleep>;
195 status = "okay";
196 };
197
198 // WLAN SDIO channel
199 mmc@80118000 {
200 arm,primecell-periphid = <0x10480180>;
201 max-frequency = <50000000>;
202 bus-width = <4>;
203 non-removable;
204 cap-sd-highspeed;
205 vmmc-supply = <&wlan_en>;
206 pinctrl-names = "default", "sleep";
207 pinctrl-0 = <&mc1_a_2_default>;
208 pinctrl-1 = <&mc1_a_2_sleep>;
209 status = "okay";
210 #address-cells = <1>;
211 #size-cells = <0>;
212
213 wifi@1 {
214 compatible = "brcm,bcm4334-fmac", "brcm,bcm4329-fmac";
215 reg = <1>;
216 /* GPIO216 WL_HOST_WAKE */
217 interrupt-parent = <&gpio6>;
218 interrupts = <24 IRQ_TYPE_EDGE_FALLING>;
219 interrupt-names = "host-wake";
220 pinctrl-names = "default";
221 pinctrl-0 = <&wlan_default_mode>;
222 };
223 };
224
225 // eMMC
226 mmc@80005000 {
227 arm,primecell-periphid = <0x10480180>;
228 max-frequency = <100000000>;
229 bus-width = <8>;
230 non-removable;
231 cap-mmc-highspeed;
232 mmc-ddr-1_8v;
233 vmmc-supply = <&ldo_3v3_reg>;
234 pinctrl-names = "default", "sleep";
235 pinctrl-0 = <&mc2_a_1_default>;
236 pinctrl-1 = <&mc2_a_1_sleep>;
237
238 status = "okay";
239 };
240
241 /* GBF (Bluetooth) UART */
242 uart@80120000 {
243 pinctrl-names = "default", "sleep";
244 pinctrl-0 = <&u0_a_1_default>;
245 pinctrl-1 = <&u0_a_1_sleep>;
246 status = "okay";
247
248 /* FIXME: not quite working yet, probably needs regulators */
249 bluetooth {
250 /* BCM4334B0 actually */
251 compatible = "brcm,bcm4330-bt";
252 shutdown-gpios = <&gpio6 30 GPIO_ACTIVE_HIGH>;
253 device-wakeup-gpios = <&gpio6 7 GPIO_ACTIVE_HIGH>;
254 host-wakeup-gpios = <&gpio3 1 GPIO_ACTIVE_HIGH>;
255 pinctrl-names = "default";
256 pinctrl-0 = <&bluetooth_default_mode>;
257 };
258 };
259
260 /* GPF UART */
261 uart@80121000 {
262 status = "okay";
263 pinctrl-names = "default", "sleep";
264 pinctrl-0 = <&u1rxtx_a_1_default &u1ctsrts_a_1_default>;
265 pinctrl-1 = <&u1rxtx_a_1_sleep &u1ctsrts_a_1_sleep>;
266 };
267
268 /* Debugging console UART connected to AB8505 USB */
269 uart@80007000 {
270 status = "okay";
271 pinctrl-names = "default", "sleep";
272 pinctrl-0 = <&u2rxtx_c_1_default>;
273 pinctrl-1 = <&u2rxtx_c_1_sleep>;
274 };
275
276 prcmu@80157000 {
277 ab8505 {
278 ab8500_usb {
279 pinctrl-names = "default", "sleep";
280 pinctrl-0 = <&usb_a_1_default>;
281 pinctrl-1 = <&usb_a_1_sleep>;
282 };
283
284 ab8505-regulators {
285 ab8500_ldo_aux1 {
286 /* Used for VDD for sensors */
287 regulator-name = "AUX1";
288 regulator-min-microvolt = <3000000>;
289 regulator-max-microvolt = <3300000>;
290 };
291
292 ab8500_ldo_aux2 {
293 /* Supplies the Cypress TMA140 touchscreen only with 3.3V */
294 regulator-name = "AUX2";
295 regulator-min-microvolt = <3300000>;
296 regulator-max-microvolt = <3300000>;
297 };
298
299 ab8500_ldo_aux3 {
300 /* Used for voltage for external MMC/SD card */
301 regulator-name = "AUX3";
302 regulator-min-microvolt = <1100000>;
303 regulator-max-microvolt = <3300000>;
304 };
305
306 ab8500_ldo_aux4 {
307 regulator-name = "AUX4";
308 /* Hammer to 3.0V for the display */
309 regulator-min-microvolt = <3000000>;
310 regulator-max-microvolt = <3000000>;
311 };
312
313 ab8500_ldo_aux5 {
314 regulator-name = "AUX5";
315 regulator-min-microvolt = <1050000>;
316 regulator-max-microvolt = <2790000>;
317 regulator-always-on;
318 };
319
320 ab8500_ldo_aux6 {
321 regulator-name = "AUX6";
322 /* Hammer to 1.8V for the display */
323 regulator-min-microvolt = <1800000>;
324 regulator-max-microvolt = <1800000>;
325 };
326
327 ab8500_ldo_aux8 {
328 /* Mostly VIO for sensors */
329 regulator-name = "AUX8";
330 };
331 };
332 };
333 };
334
335 /* I2C0 */
336 i2c@80004000 {
337 status = "okay";
338
339 pinctrl-names = "default", "sleep";
340 pinctrl-0 = <&i2c0_a_1_default>;
341 pinctrl-1 = <&i2c0_a_1_sleep>;
342
343 proximity@44 {
344 compatible = "sharp,gp2ap002s00f";
345 clock-frequency = <400000>;
346 reg = <0x44>;
347
348 interrupt-parent = <&gpio4>;
349 interrupts = <18 IRQ_TYPE_EDGE_FALLING>;
350 vdd-supply = <&ab8500_ldo_aux1_reg>;
351 vio-supply = <&ab8500_ldo_aux8_reg>;
352 pinctrl-names = "default";
353 pinctrl-0 = <&gp2ap002_skomer_default>;
354 sharp,proximity-far-hysteresis = /bits/ 8 <0x2f>;
355 sharp,proximity-close-hysteresis = /bits/ 8 <0x0f>;
356 };
357 };
358
359
360 /* I2C2 */
361 i2c@80128000 {
362 status = "okay";
363
364 pinctrl-names = "default", "sleep";
365 pinctrl-0 = <&i2c2_b_2_default>;
366 pinctrl-1 = <&i2c2_b_2_sleep>;
367
368 accel@18 {
369 compatible = "bosch,bma254";
370 clock-frequency = <400000>;
371 reg = <0x18>;
372
373 /* GPIO224 used as "smart alert" interrupt */
374 interrupt-parent = <&gpio7>;
375 interrupts = <0 IRQ_TYPE_EDGE_RISING>;
376
377 mount-matrix = "0", "-1", "0",
378 "1", "0", "0",
379 "0", "0", "1";
380 vdd-supply = <&ab8500_ldo_aux1_reg>;
381 vddio-supply = <&ab8500_ldo_aux8_reg>;
382 pinctrl-names = "default";
383 pinctrl-0 = <&bma254_skomer_default>;
384 };
385 };
386
387 /* I2C3 */
388 i2c@80110000 {
389 status = "okay";
390
391 pinctrl-names = "default", "sleep";
392 pinctrl-0 = <&i2c3_c_2_default>;
393 pinctrl-1 = <&i2c3_c_2_sleep>;
394
395 /* Cypress CY8CTMA140 touchscreen */
396 touchscreen@20 {
397 compatible = "cypress,cy8ctma140";
398 clock-frequency = <400000>;
399 reg = <0x20>;
400
401 touchscreen-size-x = <480>;
402 touchscreen-size-y = <800>;
403 touchscreen-max-pressure = <255>;
404
405 /* GPIO218 for IRQ */
406 interrupt-parent = <&gpio6>;
407 interrupts = <26 IRQ_TYPE_EDGE_FALLING>;
408
409 /* VDD is "digital supply" nominally 1.71-3.6V */
410 vdd-supply = <&ab8500_ldo_aux2_reg>;
411 /* VCPIN is "analog supply", 2.7-3.6 V */
412 vcpin-supply = <&ab8500_ldo_aux2_reg>;
413
414 pinctrl-names = "default";
415 pinctrl-0 = <&tma140_skomer_default>;
416 };
417 };
418
419 mcde@a0350000 {
420 status = "okay";
421 pinctrl-names = "default";
422 pinctrl-0 = <&dsi_default_mode>;
423
424 dsi@a0351000 {
425 panel {
426 /* NT35510-based Hydis HVA40WV1 */
427 compatible = "hydis,hva40wv1", "novatek,nt35510";
428 reg = <0>;
429 /* v_lcd_3v0 2.3-4.8V */
430 vdd-supply = <&ab8500_ldo_aux4_reg>;
431 /* v_lcd_1v8 1.65-3.3V */
432 vddi-supply = <&ab8500_ldo_aux6_reg>;
433 /* GPIO 139 */
434 reset-gpios = <&gpio4 11 GPIO_ACTIVE_LOW>;
435 pinctrl-names = "default";
436 pinctrl-0 = <&display_default_mode>;
437 backlight = <&ktd253>;
438 };
439 };
440 };
441 };
442};
443
444&pinctrl {
445 /*
446 * This extends the MC0 default config to include DAT32DIR
447 * which is used by this machine. If we don't do this the
448 * SD card does not work.
449 */
450 sdi0 {
451 mc0_a_1_default {
452 default_mux {
453 function = "mc0";
454 /* This machine uses the DAT31 pin */
455 groups = "mc0_a_1", "mc0dat31dir_a_1";
456 };
457 default_cfg5 {
458 pins = "GPIO21_AB3"; /* DAT31DIR */
459 ste,config = <&out_hi>;
460 };
461 };
462 };
463
464 /* The unused FBCLK needs to be pulled down on this machine */
465 sdi2 {
466 mc2_a_1_default {
467 default_cfg2 {
468 pins = "GPIO130_C8"; /* FBCLK */
469 ste,config = <&in_pd>;
470 };
471 };
472 };
473
474 mcde {
475 dsi_default_mode: dsi_default {
476 default_mux1 {
477 /* Mux in VSI0 used for DSI TE */
478 function = "lcd";
479 groups = "lcdvsi0_a_1"; /* VSI0 for LCD */
480 };
481 default_cfg1 {
482 pins = "GPIO68_E1"; /* VSI0 */
483 ste,config = <&in_nopull>;
484 };
485 };
486 };
487
488 /* Two GPIO lines used by the display */
489 display {
490 display_default_mode: display_default {
491 skomer_cfg1 {
492 /*
493 * OLED DETECT or check_pba, this appears to be high
494 * on "PBA" which I guess is "prototype board A".
495 */
496 pins = "GPIO93_B7";
497 ste,config = <&gpio_in_nopull>;
498 };
499 skomer_cfg2 {
500 pins = "GPIO139_C9";
501 /*
502 * MIPI_DSI0_RESET_N resets the display, leave high
503 * (de-asserted) so we only assert reset explicitly
504 * from the display driver.
505 */
506 ste,config = <&gpio_out_hi>;
507 };
508 };
509 };
510 backlight {
511 gpio_backlight_default_mode: backlight_default {
512 skomer_cfg1 {
513 pins = "GPIO69_E2"; /* LCD_BL_CTRL */
514 ste,config = <&gpio_out_lo>;
515 };
516 };
517 };
518 flash {
519 gpio_flash_default_mode: flash_default {
520 skomer_cfg1 {
521 pins = "GPIO140_B11", "GPIO141_C12";
522 ste,config = <&gpio_out_lo>;
523 };
524 };
525 };
526 /* GPIO that enables the 2.9V SD card level translator */
527 sd-level-translator {
528 sd_level_translator_default: sd_level_translator_default {
529 /* level shifter on GPIO87 */
530 skomer_cfg1 {
531 pins = "GPIO87_B3";
532 ste,config = <&gpio_out_hi>;
533 };
534 };
535 };
536 /* GPIO that enables the LDO regulator for the eMMC */
537 emmc-ldo {
538 emmc_ldo_en_default_mode: emmc_ldo_default {
539 /* LDO enable on GPIO223 */
540 skomer_cfg1 {
541 pins = "GPIO223_AH9";
542 ste,config = <&gpio_out_hi>;
543 };
544 };
545 };
546 /* GPIO keys */
547 gpio-keys {
548 gpio_keys_default_mode: gpio_keys_default {
549 skomer_cfg1 {
550 pins = "GPIO67_G2", /* VOL UP */
551 "GPIO91_B6", /* HOME */
552 "GPIO92_D6", /* VOL DOWN */
553 "GPIO204_AF23", /* MENU */
554 "GPIO205_AG23"; /* BACK */
555 ste,config = <&gpio_in_pu>;
556 };
557 };
558 };
559 /* Interrupt line for BMA254 */
560 bma254 {
561 bma254_skomer_default: bma254_skomer {
562 skomer_cfg1 {
563 pins = "GPIO224_AG9";
564 ste,config = <&gpio_in_pd>;
565 };
566 };
567 };
568 /* Interrupt line for light/proximity sensor GP2AP002 */
569 gp2ap002 {
570 gp2ap002_skomer_default: gp2ap002_skomer {
571 skomer_cfg1 {
572 pins = "GPIO146_D13";
573 ste,config = <&gpio_in_nopull>;
574 };
575 };
576 };
577 /* GPIO-based I2C bus for NCP6914 */
578 i2c-gpio-0 {
579 i2c_gpio_0_default: i2c_gpio_0 {
580 skomer_cfg1 {
581 pins = "GPIO143_D12", "GPIO144_B13";
582 ste,config = <&gpio_in_nopull>;
583 };
584 };
585 };
586 /* GPIO-based I2C bus for ALPS HSCD compass */
587 i2c-gpio-1 {
588 i2c_gpio_1_default: i2c_gpio_1 {
589 skomer_cfg1 {
590 pins = "GPIO151_B17", "GPIO152_D16";
591 ste,config = <&gpio_in_nopull>;
592 };
593 };
594 };
595 wlan {
596 wlan_default_mode: wlan_default {
597 skomer_cfg1 {
598 pins = "GPIO216_AG12";
599 ste,config = <&gpio_in_pd>;
600 };
601 };
602 wlan_en_default_mode: wlan_en_default {
603 skomer_cfg2 {
604 pins = "GPIO215_AH13";
605 ste,config = <&gpio_out_lo>;
606 };
607 };
608 };
609 bluetooth {
610 bluetooth_default_mode: bluetooth_default {
611 skomer_cfg1 {
612 pins = "GPIO199_AH23", "GPIO222_AJ9";
613 ste,config = <&gpio_out_lo>;
614 };
615 skomer_cfg2 {
616 pins = "GPIO97_D9";
617 ste,config = <&gpio_in_nopull>;
618 };
619 };
620 };
621 vibrator {
622 vibrator_default: vibrator_default {
623 skomer_cfg1 {
624 pins = "GPIO195_AG28"; /* MOT_EN */
625 ste,config = <&gpio_out_lo>;
626 };
627 };
628 };
629 /* Interrupt line for the Cypress TMA140 touchscreen */
630 touchscreen {
631 tma140_skomer_default: tma140_skomer {
632 skomer_cfg1 {
633 pins = "GPIO218_AH11";
634 ste,config = <&gpio_in_nopull>;
635 };
636 };
637 };
638};
639
640&ab8505_gpio {
641 /* Hog a few default settings */
642 pinctrl-names = "default";
643 pinctrl-0 = <&gpio_default>;
644
645 gpio {
646 gpio_default: gpio_default {
647 skomer_mux {
648 /* Change unused pins to GPIO mode */
649 function = "gpio";
650 groups = "gpio3_a_1", /* default: SysClkReq4 */
651 "gpio14_a_1"; /* default: PWMOut1 */
652 };
653 skomer_cfg1 {
654 pins = "GPIO11_B17", "GPIO13_D17", "GPIO50_L4";
655 bias-disable;
656 };
657 };
658 };
659};