1 // SPDX-License-Identifier: GPL-2.0-only
2 /dts-v1/;
3
4 #include "ste-db8500.dtsi"
5 #include "ste-ab8505.dtsi"
6 #include "ste-dbx5x0-pinctrl.dtsi"
7 #include <dt-bindings/gpio/gpio.h>
8 #include <dt-bindings/leds/common.h>
9 #include <dt-bindings/input/input.h>
10 #include <dt-bindings/interrupt-controller/irq.h>
11
12 /*
13 * Note: This device tree cannot be booted directly with the Samsung bootloader.
14 * You need an intermediate, device-tree compatible bootloader
15 * that locks the L2 cache. Otherwise the kernel will crash after decompression.
16 *
17 * There is a port of (mainline) U-Boot, see
18 * https://wiki.postmarketos.org/wiki/ST-Ericsson_NovaThor_U8500#U-Boot
19 */
20 / {
21 model = "Samsung Galaxy S III mini (GT-I8190)";
22 compatible = "samsung,golden", "st-ericsson,u8500";
23
24 chosen {
25 stdout-path = &serial2;
26 };
27
28 battery: battery {
29 compatible = "samsung,eb-l1m7flu";
30 };
31
32 thermal-zones {
33 battery-thermal {
34 /* This zone will be polled by the battery temperature code */
35 polling-delay = <0>;
36 polling-delay-passive = <0>;
37 thermal-sensors = <&bat_therm>;
38
39 trips {
40 battery-crit-hi {
41 temperature = <70000>;
42 hysteresis = <2000>;
43 type = "critical";
44 };
45 };
46 };
47 };
48
49 bat_therm: thermistor {
50 compatible = "samsung,1404-001221";
51 io-channels = <&gpadc 0x02>; /* BatTemp */
52 pullup-uv = <1800000>;
53 pullup-ohm = <230000>;
54 pulldown-ohm = <0>;
55 #thermal-sensor-cells = <0>;
56 };
57
58 i2c-gpio-0 {
59 compatible = "i2c-gpio";
60 sda-gpios = <&gpio2 14 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
61 scl-gpios = <&gpio2 13 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
62
63 pinctrl-names = "default";
64 pinctrl-0 = <&i2c_gpio_0_default>;
65
66 #address-cells = <1>;
67 #size-cells = <0>;
68
69 touchkey@20 {
70 compatible = "coreriver,tc360-touchkey";
71 reg = <0x20>;
72 vdd-supply = <&ab8500_ldo_aux4_reg>;
73 vcc-supply = <&ab8500_ldo_aux6_reg>;
74
75 interrupt-parent = <&gpio2>;
76 interrupts = <15 IRQ_TYPE_EDGE_FALLING>;
77
78 pinctrl-names = "default";
79 pinctrl-0 = <&touchkey_default>;
80 linux,keycodes = <KEY_MENU KEY_BACK>;
81 };
82 };
83
84 i2c-gpio-1 {
85 compatible = "i2c-gpio";
86 sda-gpios = <&gpio4 24 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
87 scl-gpios = <&gpio4 23 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
88
89 pinctrl-names = "default";
90 pinctrl-0 = <&i2c_gpio_1_default>;
91
92 #address-cells = <1>;
93 #size-cells = <0>;
94
95 magnetometer@c {
96 compatible = "alps,hscdtd008a";
97 reg = <0x0c>;
98
99 avdd-supply = <&ab8500_ldo_aux1_reg>;
100 dvdd-supply = <&ab8500_ldo_aux8_reg>;
101 };
102 };
103
104 soc {
105 /* External Micro SD card slot */
106 mmc@80126000 {
107 status = "okay";
108
109 arm,primecell-periphid = <0x10480180>;
110 max-frequency = <100000000>;
111 bus-width = <4>;
112
113 non-removable;
114 /*
115 * Unfortunately, there is no way to enable the UHS
116 * modes due to a limitation of the SD level translator:
117 * It will either translate to 2.9V or disconnect the
118 * DATA lines, so switching to 1.8V signal voltage fails.
119 */
120 cap-sd-highspeed;
121 cap-mmc-highspeed;
122 st,sig-pin-fbclk;
123 full-pwr-cycle;
124
125 vmmc-supply = <&ab8500_ldo_aux3_reg>;
126 vqmmc-supply = <&sd_level_translator>;
127
128 pinctrl-names = "default", "sleep";
129 pinctrl-0 = <&mc0_a_2_default>;
130 pinctrl-1 = <&mc0_a_2_sleep>;
131 };
132
133 /* WLAN SDIO */
134 mmc@80118000 {
135 status = "okay";
136
137 arm,primecell-periphid = <0x10480180>;
138 max-frequency = <50000000>;
139 bus-width = <4>;
140
141 non-removable;
142 cap-sd-highspeed;
143
144 vmmc-supply = <&wl_reg_on>;
145
146 pinctrl-names = "default", "sleep";
147 pinctrl-0 = <&mc1_a_2_default>;
148 pinctrl-1 = <&mc1_a_2_sleep>;
149
150 #address-cells = <1>;
151 #size-cells = <0>;
152
153 wifi@1 {
154 compatible = "brcm,bcm4334-fmac", "brcm,bcm4329-fmac";
155 reg = <1>;
156
157 /* GPIO216 (WLAN_HOST_WAKE) */
158 interrupt-parent = <&gpio6>;
159 interrupts = <24 IRQ_TYPE_EDGE_FALLING>;
160 interrupt-names = "host-wake";
161
162 pinctrl-names = "default";
163 pinctrl-0 = <&wlan_default>;
164 };
165 };
166
167 /* eMMC */
168 mmc@80005000 {
169 status = "okay";
170
171 arm,primecell-periphid = <0x10480180>;
172 max-frequency = <100000000>;
173 bus-width = <8>;
174
175 non-removable;
176 cap-mmc-highspeed;
177 mmc-ddr-1_8v;
178 no-sdio;
179 no-sd;
180
181 vmmc-supply = <&vmem_3v3>;
182
183 pinctrl-names = "default", "sleep";
184 pinctrl-0 = <&mc2_a_1_default>;
185 pinctrl-1 = <&mc2_a_1_sleep>;
186 };
187
188 /* BT UART */
189 serial@80120000 {
190 status = "okay";
191
192 pinctrl-names = "default", "sleep";
193 pinctrl-0 = <&u0_a_1_default>;
194 pinctrl-1 = <&u0_a_1_sleep>;
195
196 bluetooth {
197 /* BCM4334B0 actually */
198 compatible = "brcm,bcm4330-bt";
199 /* GPIO222 (BT_VREG_ON) */
200 shutdown-gpios = <&gpio6 30 GPIO_ACTIVE_HIGH>;
201 /* GPIO199 (BT_WAKE) */
202 device-wakeup-gpios = <&gpio6 7 GPIO_ACTIVE_HIGH>;
203 /* GPIO97 (BT_HOST_WAKE) */
204 host-wakeup-gpios = <&gpio3 1 GPIO_ACTIVE_HIGH>;
205
206 pinctrl-names = "default";
207 pinctrl-0 = <&bluetooth_default>;
208 };
209 };
210
211 /* GPF UART */
212 serial@80121000 {
213 status = "okay";
214
215 pinctrl-names = "default", "sleep";
216 pinctrl-0 = <&u1rxtx_a_1_default &u1ctsrts_a_1_default>;
217 pinctrl-1 = <&u1rxtx_a_1_sleep &u1ctsrts_a_1_sleep>;
218 };
219
220 /* Debugging console UART */
221 serial@80007000 {
222 status = "okay";
223
224 pinctrl-names = "default", "sleep";
225 pinctrl-0 = <&u2rxtx_c_1_default>;
226 pinctrl-1 = <&u2rxtx_c_1_sleep>;
227 };
228
229 i2c@80004000 {
230 status = "okay";
231
232 pinctrl-names = "default", "sleep";
233 pinctrl-0 = <&i2c0_a_1_default>;
234 pinctrl-1 = <&i2c0_a_1_sleep>;
235
236 proximity@44 {
237 compatible = "sharp,gp2ap002s00f";
238 reg = <0x44>;
239
240 /* GPIO146 (PS_INT) */
241 interrupt-parent = <&gpio4>;
242 interrupts = <18 IRQ_TYPE_EDGE_FALLING>;
243
244 vdd-supply = <&ab8500_ldo_aux1_reg>;
245 vio-supply = <&ab8500_ldo_aux8_reg>;
246
247 pinctrl-names = "default";
248 pinctrl-0 = <&proximity_default>;
249
250 sharp,proximity-far-hysteresis = <0x40>;
251 sharp,proximity-close-hysteresis = <0x0f>;
252 };
253 };
254
255 i2c@80128000 {
256 status = "okay";
257
258 pinctrl-names = "default", "sleep";
259 pinctrl-0 = <&i2c2_b_2_default>;
260 pinctrl-1 = <&i2c2_b_2_sleep>;
261
262 imu@68 {
263 compatible = "invensense,mpu6050";
264 reg = <0x68>;
265
266 /* GPIO206 (ACC_INT) */
267 interrupt-parent = <&gpio6>;
268 interrupts = <14 IRQ_TYPE_EDGE_RISING>;
269
270 mount-matrix = "0", "1", "0",
271 "-1", "0", "0",
272 "0", "0", "1";
273
274 vdd-supply = <&ab8500_ldo_aux1_reg>;
275 vddio-supply = <&ab8500_ldo_aux8_reg>;
276
277 pinctrl-names = "default";
278 pinctrl-0 = <&imu_default>;
279 };
280 };
281
282 i2c@80110000 {
283 status = "okay";
284
285 pinctrl-names = "default", "sleep";
286 pinctrl-0 = <&i2c3_c_2_default>;
287 pinctrl-1 = <&i2c3_c_2_sleep>;
288
289 touchscreen@4a {
290 compatible = "atmel,maxtouch";
291 reg = <0x4a>;
292
293 /* GPIO218 (TSP_INT_1V8) */
294 interrupt-parent = <&gpio6>;
295 interrupts = <26 IRQ_TYPE_EDGE_FALLING>;
296
297 /* VDDA is "analog supply", 2.57-3.47 V */
298 vdda-supply = <&ab8500_ldo_aux2_reg>;
299 /* VDD is "digital supply" 1.71-3.47V */
300 vdd-supply = <&ab8500_ldo_aux5_reg>;
301
302 pinctrl-names = "default";
303 pinctrl-0 = <&tsp_default>;
304 };
305 };
306
307 prcmu@80157000 {
308 ab8505 {
309 phy {
310 pinctrl-names = "default", "sleep";
311 pinctrl-0 = <&usb_a_1_default>;
312 pinctrl-1 = <&usb_a_1_sleep>;
313 };
314
315 ab8500_fg {
316 line-impedance-micro-ohms = <36000>;
317 };
318
319 regulator {
320 ab8500_ldo_aux1 {
321 regulator-name = "sensor_3v";
322 regulator-min-microvolt = <3000000>;
323 regulator-max-microvolt = <3000000>;
324 };
325
326 ab8500_ldo_aux2 {
327 regulator-name = "vreg_tsp_a3v3";
328 regulator-min-microvolt = <3300000>;
329 regulator-max-microvolt = <3300000>;
330 };
331
332 ab8500_ldo_aux3 {
333 regulator-name = "vdd_tf_2v91";
334 };
335
336 ab8500_ldo_aux4 {
337 regulator-name = "key_led_3.3v";
338 regulator-min-microvolt = <3300000>;
339 regulator-max-microvolt = <3300000>;
340 };
341
342 ab8500_ldo_aux5 {
343 regulator-name = "vreg_tsp_1v8";
344 regulator-min-microvolt = <1800000>;
345 regulator-max-microvolt = <1800000>;
346 };
347
348 ab8500_ldo_aux6 {
349 regulator-name = "touch_key_2.2v";
350 regulator-min-microvolt = <2200000>;
351 regulator-max-microvolt = <2200000>;
352 };
353
354 ab8500_ldo_aux8 {
355 regulator-name = "sensor_1v8";
356 };
357 };
358 };
359 };
360
361 mcde@a0350000 {
362 status = "okay";
363 pinctrl-names = "default";
364 pinctrl-0 = <&dsi_default_mode>;
365
366 dsi@a0351000 {
367 panel@0 {
368 compatible = "samsung,s6e63m0";
369 reg = <0>;
370 max-brightness = <15>;
371 vdd3-supply = <&panel_reg_3v0>;
372 vci-supply = <&panel_reg_1v8>;
373 reset-gpios = <&gpio4 11 GPIO_ACTIVE_LOW>;
374 /* ESD (electrostatic discharge) detection interrupt */
375 interrupt-parent = <&gpio2>;
376 interrupts = <18 IRQ_TYPE_EDGE_RISING>;
377 interrupt-names = "esd";
378 pinctrl-names = "default";
379 pinctrl-0 = <&display_default_mode>;
380 };
381 };
382 };
383 };
384
385 gpio-keys {
386 compatible = "gpio-keys";
387
388 pinctrl-names = "default";
389 pinctrl-0 = <&gpio_keys_default>;
390
391 label = "GPIO Buttons";
392
393 volume-up {
394 label = "Volume Up";
395 /* GPIO67 (VOL_UP) */
396 gpios = <&gpio2 3 GPIO_ACTIVE_LOW>;
397 linux,code = <KEY_VOLUMEUP>;
398 };
399
400 volume-down {
401 label = "Volume Down";
402 /* GPIO92 (VOL_DOWN) */
403 gpios = <&gpio2 28 GPIO_ACTIVE_LOW>;
404 linux,code = <KEY_VOLUMEDOWN>;
405 };
406
407 home {
408 label = "Home";
409 /* GPIO91 (HOME_KEY) */
410 gpios = <&gpio2 27 GPIO_ACTIVE_LOW>;
411 linux,code = <KEY_HOMEPAGE>;
412 };
413 };
414
415 /* Richtek RT8515GQW Flash LED Driver IC */
416 flash {
417 compatible = "richtek,rt8515";
418 /* GPIO 140 */
419 enf-gpios = <&gpio4 12 GPIO_ACTIVE_HIGH>;
420 /* GPIO 141 */
421 ent-gpios = <&gpio4 13 GPIO_ACTIVE_HIGH>;
422 /*
423 * RFS is 16 kOhm and RTS is 100 kOhm giving
424 * the flash max current 343mA and torch max
425 * current 55 mA.
426 */
427 richtek,rfs-ohms = <16000>;
428 richtek,rts-ohms = <100000>;
429 pinctrl-names = "default";
430 pinctrl-0 = <&gpio_flash_default_mode>;
431
432 led {
433 function = LED_FUNCTION_FLASH;
434 color = <LED_COLOR_ID_WHITE>;
435 flash-max-timeout-us = <250000>;
436 flash-max-microamp = <343750>;
437 led-max-microamp = <55000>;
438 };
439 };
440
441 vibrator {
442 compatible = "gpio-vibrator";
443 /* GPIO195 (MOT_EN) */
444 enable-gpios = <&gpio6 3 GPIO_ACTIVE_HIGH>;
445
446 pinctrl-names = "default";
447 pinctrl-0 = <&vibrator_default>;
448 };
449
450 /* External LDO for eMMC */
451 vmem_3v3: regulator-vmem {
452 compatible = "regulator-fixed";
453
454 regulator-name = "vmem_3v3";
455 regulator-min-microvolt = <3300000>;
456 regulator-max-microvolt = <3300000>;
457 regulator-boot-on;
458
459 startup-delay-us = <200>;
460
461 /* GPIO223 (MEM_LDO_EN) */
462 gpio = <&gpio6 31 GPIO_ACTIVE_HIGH>;
463 enable-active-high;
464
465 pinctrl-names = "default";
466 pinctrl-0 = <&mem_ldo_default>;
467 };
468
469 /* TI TXS0206-29 level translator for 2.9 V */
470 sd_level_translator: regulator-sd-level-translator {
471 compatible = "regulator-fixed";
472
473 regulator-name = "sd-level-translator";
474 regulator-min-microvolt = <2900000>;
475 regulator-max-microvolt = <2900000>;
476
477 startup-delay-us = <200>;
478
479 /* GPIO87 (TXS0206-29_EN) */
480 gpios = <&gpio2 23 GPIO_ACTIVE_HIGH>;
481 enable-active-high;
482
483 pinctrl-names = "default";
484 pinctrl-0 = <&sd_level_translator_default>;
485 };
486
487 /*
488 * WL_REG_ON takes WLAN out of reset and enables the internal regulators.
489 * The voltage specified here is only used to determine the OCR mask,
490 * the BCM chip is actually connected directly to VBAT.
491 */
492 wl_reg_on: regulator-wl-reg-on {
493 compatible = "regulator-fixed";
494
495 regulator-name = "wl-reg-on";
496 regulator-min-microvolt = <3000000>;
497 regulator-max-microvolt = <3000000>;
498
499 startup-delay-us = <100000>;
500
501 /* GPIO215 (WLAN_EN) */
502 gpio = <&gpio6 23 GPIO_ACTIVE_HIGH>;
503 enable-active-high;
504
505 pinctrl-names = "default";
506 pinctrl-0 = <&wlan_en_default>;
507 };
508
509 /* MIC5366 GPIO-controlled regulator */
510 panel_reg_1v8: regulator-panel-1v8 {
511 compatible = "regulator-fixed";
512
513 regulator-name = "panel-fixed-supply";
514 regulator-min-microvolt = <1800000>;
515 regulator-max-microvolt = <1800000>;
516 /* GPIO219 */
517 gpio = <&gpio6 27 GPIO_ACTIVE_HIGH>;
518
519 startup-delay-us = <200>;
520 enable-active-high;
521
522 pinctrl-names = "default";
523 pinctrl-0 = <&panel_reg_default_mode>;
524 };
525
526 /* MIC5366 GPIO-controlled regulator */
527 panel_reg_3v0: regulator-panel-3v0 {
528 compatible = "regulator-fixed";
529
530 regulator-name = "panel-fixed-supply";
531 regulator-min-microvolt = <3000000>;
532 regulator-max-microvolt = <3000000>;
533 /* GPIO219 */
534 gpio = <&gpio6 27 GPIO_ACTIVE_HIGH>;
535
536 startup-delay-us = <200>;
537 enable-active-high;
538
539 pinctrl-names = "default";
540 pinctrl-0 = <&panel_reg_default_mode>;
541 };
542 };
543
544 &pinctrl {
545 gpio-keys {
546 gpio_keys_default: gpio_keys_default {
547 golden_cfg1 {
548 pins = "GPIO67", /* VOL_UP */
549 "GPIO91", /* HOME_KEY */
550 "GPIO92"; /* VOL_DOWN */
551 ste,config = <&gpio_in_pu>;
552 };
553 };
554 };
555
556 i2c-gpio-0 {
557 i2c_gpio_0_default: i2c_gpio_0 {
558 golden_cfg1 {
559 pins = "GPIO77", /* TOUCHKEY_SCL */
560 "GPIO78"; /* TOUCHKEY_SDA */
561 ste,config = <&gpio_in_nopull>;
562 };
563 };
564 };
565
566 flash {
567 gpio_flash_default_mode: flash_default {
568 golden_cfg1 {
569 pins = "GPIO140_B11", "GPIO141_C12";
570 ste,config = <&gpio_out_lo>;
571 };
572 };
573 };
574
575 i2c-gpio-1 {
576 i2c_gpio_1_default: i2c_gpio_1 {
577 golden_cfg1 {
578 pins = "GPIO151", /* COMP_SCL */
579 "GPIO152"; /* COMP_SDA */
580 ste,config = <&gpio_in_nopull>;
581 };
582 };
583 };
584
585 touchkey {
586 touchkey_default: touchkey_default {
587 golden_cfg1 {
588 pins = "GPIO79"; /* TOUCHKEY_INT */
589 ste,config = <&gpio_in_nopull>;
590 };
591 };
592 };
593
594 sdi0 {
595 sd_level_translator_default: sd_level_translator_default {
596 golden_cfg1 {
597 pins = "GPIO87_B3"; /* TXS0206-29_EN */
598 ste,config = <&gpio_out_lo>;
599 };
600 };
601 };
602
603 sdi2 {
604 mem_ldo_default: mem_ldo_default {
605 golden_cfg1 {
606 pins = "GPIO223_AH9"; /* MEM_LDO_EN */
607 ste,config = <&gpio_out_hi>;
608 };
609 };
610 };
611
612 mcde {
613 dsi_default_mode: dsi_default {
614 default_mux1 {
615 /* Mux in VSI0 used for DSI TE */
616 function = "lcd";
617 groups =
618 "lcdvsi0_a_1"; /* VSI0 for LCD */
619 };
620 default_cfg1 {
621 pins =
622 "GPIO68_E1"; /* VSI0 */
623 ste,config = <&in_nopull>;
624 };
625 };
626 };
627
628 display {
629 display_default_mode: display_default {
630 golden_cfg1 {
631 pins = "GPIO139_C9"; /* MIPI_DSI0_RESET_N */
632 ste,config = <&gpio_out_lo>;
633 };
634 golden_cfg2 {
635 pins = "GPIO82_C1"; /* LDI_ESD_DET */
636 ste,config = <&gpio_in_pu>;
637 };
638 };
639 panel_reg_default_mode: panel_reg_default {
640 golden_cfg1 {
641 pins = "GPIO219_AG10"; /* LCD_PWR_EN */
642 ste,config = <&gpio_out_lo>;
643 };
644 };
645 };
646
647 proximity {
648 proximity_default: proximity_default {
649 golden_cfg1 {
650 pins = "GPIO146_D13"; /* PS_INT */
651 ste,config = <&gpio_in_nopull>;
652 };
653 };
654 };
655
656 imu {
657 imu_default: imu_default {
658 golden_cfg1 {
659 pins = "GPIO206_AG24"; /* ACC_INT */
660 ste,config = <&gpio_in_pd>;
661 };
662 };
663 };
664
665 tsp {
666 tsp_default: tsp_default {
667 golden_cfg1 {
668 pins = "GPIO218_AH11"; /* TSP_INT_1V8 */
669 ste,config = <&gpio_in_nopull>;
670 };
671 };
672 };
673
674 wlan {
675 wlan_default: wlan_default {
676 golden_cfg1 {
677 pins = "GPIO216_AG12"; /* WLAN_HOST_WAKE */
678 ste,config = <&gpio_in_pd>;
679 };
680 };
681
682 wlan_en_default: wlan_en_default {
683 golden_cfg1 {
684 pins = "GPIO215_AH13"; /* WLAN_EN */
685 ste,config = <&gpio_out_lo>;
686 };
687 };
688 };
689
690 bluetooth {
691 bluetooth_default: bluetooth_default {
692 golden_cfg1 {
693 pins = "GPIO199_AH23", /* BT_WAKE */
694 "GPIO222_AJ9"; /* BT_VREG_ON */
695 ste,config = <&gpio_out_lo>;
696 };
697 golden_cfg2 {
698 pins = "GPIO97_D9"; /* BT_HOST_WAKE */
699 ste,config = <&gpio_in_nopull>;
700 };
701 };
702 };
703
704 vibrator {
705 vibrator_default: vibrator_default {
706 golden_cfg1 {
707 pins = "GPIO195_AG28"; /* MOT_EN */
708 ste,config = <&gpio_out_lo>;
709 };
710 };
711 };
712 };
713
714 &ab8505_gpio {
715 /* Hog a few default settings */
716 pinctrl-names = "default";
717 pinctrl-0 = <&gpio_default>;
718
719 gpio {
720 gpio_default: gpio_default {
721 golden_mux {
722 /* Change unused pins to GPIO mode */
723 function = "gpio";
724 groups = "gpio3_a_1", /* default: SysClkReq4 */
725 "gpio14_a_1"; /* default: PWMOut1 */
726 };
727 golden_cfg1 {
728 pins = "GPIO11_B17", "GPIO13_D17", "GPIO50_L4";
729 bias-disable;
730 };
731 };
732 };
733 };
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