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1/*
2 * Google Snow board device tree source
3 *
4 * Copyright (c) 2012 Google, Inc
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10
11#include <dt-bindings/gpio/gpio.h>
12#include <dt-bindings/clock/maxim,max77686.h>
13#include <dt-bindings/interrupt-controller/irq.h>
14#include <dt-bindings/input/input.h>
15#include "exynos5250.dtsi"
16
17/ {
18 aliases {
19 i2c104 = &i2c_104;
20 };
21
22 memory {
23 reg = <0x40000000 0x80000000>;
24 };
25
26 chosen {
27 bootargs = "console=tty1";
28 stdout-path = "serial3:115200n8";
29 };
30
31 gpio-keys {
32 compatible = "gpio-keys";
33 pinctrl-names = "default";
34 pinctrl-0 = <&power_key_irq &lid_irq>;
35
36 power {
37 label = "Power";
38 gpios = <&gpx1 3 GPIO_ACTIVE_LOW>;
39 linux,code = <KEY_POWER>;
40 wakeup-source;
41 };
42
43 lid-switch {
44 label = "Lid";
45 gpios = <&gpx3 5 GPIO_ACTIVE_LOW>;
46 linux,input-type = <5>; /* EV_SW */
47 linux,code = <0>; /* SW_LID */
48 debounce-interval = <1>;
49 wakeup-source;
50 };
51 };
52
53 vbat: vbat-fixed-regulator {
54 compatible = "regulator-fixed";
55 regulator-name = "vbat-supply";
56 regulator-boot-on;
57 };
58
59 i2c-arbitrator {
60 compatible = "i2c-arb-gpio-challenge";
61 #address-cells = <1>;
62 #size-cells = <0>;
63
64 i2c-parent = <&{/i2c@12CA0000}>;
65
66 our-claim-gpio = <&gpf0 3 GPIO_ACTIVE_LOW>;
67 their-claim-gpios = <&gpe0 4 GPIO_ACTIVE_LOW>;
68 slew-delay-us = <10>;
69 wait-retry-us = <3000>;
70 wait-free-us = <50000>;
71
72 pinctrl-names = "default";
73 pinctrl-0 = <&arb_our_claim &arb_their_claim>;
74
75 /* Use ID 104 as a hint that we're on physical bus 4 */
76 i2c_104: i2c@0 {
77 reg = <0>;
78 #address-cells = <1>;
79 #size-cells = <0>;
80
81 battery: sbs-battery@b {
82 compatible = "sbs,sbs-battery";
83 reg = <0xb>;
84 sbs,poll-retry-count = <1>;
85 };
86
87 cros_ec: embedded-controller {
88 compatible = "google,cros-ec-i2c";
89 reg = <0x1e>;
90 interrupts = <6 IRQ_TYPE_NONE>;
91 interrupt-parent = <&gpx1>;
92 pinctrl-names = "default";
93 pinctrl-0 = <&ec_irq>;
94 wakeup-source;
95 };
96
97 power-regulator {
98 compatible = "ti,tps65090";
99 reg = <0x48>;
100
101 /*
102 * Config irq to disable internal pulls
103 * even though we run in polling mode.
104 */
105 pinctrl-names = "default";
106 pinctrl-0 = <&tps65090_irq>;
107
108 vsys1-supply = <&vbat>;
109 vsys2-supply = <&vbat>;
110 vsys3-supply = <&vbat>;
111 infet1-supply = <&vbat>;
112 infet2-supply = <&vbat>;
113 infet3-supply = <&vbat>;
114 infet4-supply = <&vbat>;
115 infet5-supply = <&vbat>;
116 infet6-supply = <&vbat>;
117 infet7-supply = <&vbat>;
118 vsys-l1-supply = <&vbat>;
119 vsys-l2-supply = <&vbat>;
120
121 regulators {
122 dcdc1 {
123 ti,enable-ext-control;
124 };
125 dcdc2 {
126 ti,enable-ext-control;
127 };
128 dcdc3 {
129 ti,enable-ext-control;
130 };
131 fet1: fet1 {
132 regulator-name = "vcd_led";
133 ti,overcurrent-wait = <3>;
134 };
135 tps65090_fet2: fet2 {
136 regulator-name = "video_mid";
137 regulator-always-on;
138 ti,overcurrent-wait = <3>;
139 };
140 fet3 {
141 regulator-name = "wwan_r";
142 regulator-always-on;
143 ti,overcurrent-wait = <3>;
144 };
145 fet4 {
146 regulator-name = "sdcard";
147 ti,overcurrent-wait = <3>;
148 };
149 fet5 {
150 regulator-name = "camout";
151 regulator-always-on;
152 ti,overcurrent-wait = <3>;
153 };
154 fet6: fet6 {
155 regulator-name = "lcd_vdd";
156 ti,overcurrent-wait = <3>;
157 };
158 tps65090_fet7: fet7 {
159 regulator-name = "video_mid_1a";
160 regulator-always-on;
161 ti,overcurrent-wait = <3>;
162 };
163 ldo1 {
164 };
165 ldo2 {
166 };
167 };
168
169 charger {
170 compatible = "ti,tps65090-charger";
171 };
172 };
173 };
174 };
175
176 sound {
177 samsung,i2s-controller = <&i2s0>;
178 };
179
180 usb3_vbus_reg: regulator-usb3 {
181 compatible = "regulator-fixed";
182 regulator-name = "P5.0V_USB3CON";
183 regulator-min-microvolt = <5000000>;
184 regulator-max-microvolt = <5000000>;
185 gpio = <&gpx2 7 GPIO_ACTIVE_HIGH>;
186 pinctrl-names = "default";
187 pinctrl-0 = <&usb3_vbus_en>;
188 enable-active-high;
189 };
190
191 fixed-rate-clocks {
192 xxti {
193 compatible = "samsung,clock-xxti";
194 clock-frequency = <24000000>;
195 };
196 };
197
198 backlight: backlight {
199 compatible = "pwm-backlight";
200 pwms = <&pwm 0 1000000 0>;
201 brightness-levels = <0 100 500 1000 1500 2000 2500 2800>;
202 default-brightness-level = <7>;
203 enable-gpios = <&gpx3 0 GPIO_ACTIVE_HIGH>;
204 power-supply = <&fet1>;
205 pinctrl-0 = <&pwm0_out>;
206 pinctrl-names = "default";
207 };
208
209 panel: panel {
210 compatible = "auo,b116xw03";
211 power-supply = <&fet6>;
212 backlight = <&backlight>;
213
214 port {
215 panel_in: endpoint {
216 remote-endpoint = <&bridge_out>;
217 };
218 };
219 };
220
221 mmc3_pwrseq: mmc3_pwrseq {
222 compatible = "mmc-pwrseq-simple";
223 reset-gpios = <&gpx0 2 GPIO_ACTIVE_LOW>, /* WIFI_RSTn */
224 <&gpx0 1 GPIO_ACTIVE_LOW>; /* WIFI_EN */
225 clocks = <&max77686 MAX77686_CLK_PMIC>;
226 clock-names = "ext_clock";
227 };
228};
229
230&cpu0 {
231 cpu0-supply = <&buck2_reg>;
232};
233
234&dp {
235 status = "okay";
236 pinctrl-names = "default";
237 pinctrl-0 = <&dp_hpd>;
238 samsung,color-space = <0>;
239 samsung,dynamic-range = <0>;
240 samsung,ycbcr-coeff = <0>;
241 samsung,color-depth = <1>;
242 samsung,link-rate = <0x0a>;
243 samsung,lane-count = <2>;
244 samsung,hpd-gpio = <&gpx0 7 GPIO_ACTIVE_HIGH>;
245
246 ports {
247 port@0 {
248 dp_out: endpoint {
249 remote-endpoint = <&bridge_in>;
250 };
251 };
252 };
253};
254
255&ehci {
256 samsung,vbus-gpio = <&gpx1 1 GPIO_ACTIVE_HIGH>;
257};
258
259&fimd {
260 status = "okay";
261 samsung,invert-vclk;
262};
263
264&hdmi {
265 hpd-gpio = <&gpx3 7 GPIO_ACTIVE_HIGH>;
266 pinctrl-names = "default";
267 pinctrl-0 = <&hdmi_hpd_irq>;
268 phy = <&hdmiphy>;
269 ddc = <&i2c_2>;
270 hdmi-en-supply = <&tps65090_fet7>;
271 vdd-supply = <&ldo8_reg>;
272 vdd_osc-supply = <&ldo10_reg>;
273 vdd_pll-supply = <&ldo8_reg>;
274};
275
276&i2c_0 {
277 status = "okay";
278 samsung,i2c-sda-delay = <100>;
279 samsung,i2c-max-bus-freq = <378000>;
280
281 max77686: max77686@09 {
282 compatible = "maxim,max77686";
283 interrupt-parent = <&gpx3>;
284 interrupts = <2 IRQ_TYPE_NONE>;
285 pinctrl-names = "default";
286 pinctrl-0 = <&max77686_irq>;
287 wakeup-source;
288 reg = <0x09>;
289 #clock-cells = <1>;
290
291 voltage-regulators {
292 ldo1_reg: LDO1 {
293 regulator-name = "P1.0V_LDO_OUT1";
294 regulator-min-microvolt = <1000000>;
295 regulator-max-microvolt = <1000000>;
296 regulator-always-on;
297 };
298
299 ldo2_reg: LDO2 {
300 regulator-name = "P1.8V_LDO_OUT2";
301 regulator-min-microvolt = <1800000>;
302 regulator-max-microvolt = <1800000>;
303 regulator-always-on;
304 };
305
306 ldo3_reg: LDO3 {
307 regulator-name = "P1.8V_LDO_OUT3";
308 regulator-min-microvolt = <1800000>;
309 regulator-max-microvolt = <1800000>;
310 regulator-always-on;
311 };
312
313 ldo7_reg: LDO7 {
314 regulator-name = "P1.1V_LDO_OUT7";
315 regulator-min-microvolt = <1100000>;
316 regulator-max-microvolt = <1100000>;
317 regulator-always-on;
318 };
319
320 ldo8_reg: LDO8 {
321 regulator-name = "P1.0V_LDO_OUT8";
322 regulator-min-microvolt = <1000000>;
323 regulator-max-microvolt = <1000000>;
324 regulator-always-on;
325 };
326
327 ldo10_reg: LDO10 {
328 regulator-name = "P1.8V_LDO_OUT10";
329 regulator-min-microvolt = <1800000>;
330 regulator-max-microvolt = <1800000>;
331 regulator-always-on;
332 };
333
334 ldo12_reg: LDO12 {
335 regulator-name = "P3.0V_LDO_OUT12";
336 regulator-min-microvolt = <3000000>;
337 regulator-max-microvolt = <3000000>;
338 regulator-always-on;
339 };
340
341 ldo14_reg: LDO14 {
342 regulator-name = "P1.8V_LDO_OUT14";
343 regulator-min-microvolt = <1800000>;
344 regulator-max-microvolt = <1800000>;
345 regulator-always-on;
346 };
347
348 ldo15_reg: LDO15 {
349 regulator-name = "P1.0V_LDO_OUT15";
350 regulator-min-microvolt = <1000000>;
351 regulator-max-microvolt = <1000000>;
352 regulator-always-on;
353 };
354
355 ldo16_reg: LDO16 {
356 regulator-name = "P1.8V_LDO_OUT16";
357 regulator-min-microvolt = <1800000>;
358 regulator-max-microvolt = <1800000>;
359 regulator-always-on;
360 };
361
362 buck1_reg: BUCK1 {
363 regulator-name = "vdd_mif";
364 regulator-min-microvolt = <950000>;
365 regulator-max-microvolt = <1300000>;
366 regulator-always-on;
367 regulator-boot-on;
368 };
369
370 buck2_reg: BUCK2 {
371 regulator-name = "vdd_arm";
372 regulator-min-microvolt = <850000>;
373 regulator-max-microvolt = <1350000>;
374 regulator-always-on;
375 regulator-boot-on;
376 };
377
378 buck3_reg: BUCK3 {
379 regulator-name = "vdd_int";
380 regulator-min-microvolt = <900000>;
381 regulator-max-microvolt = <1200000>;
382 regulator-always-on;
383 regulator-boot-on;
384 };
385
386 buck4_reg: BUCK4 {
387 regulator-name = "vdd_g3d";
388 regulator-min-microvolt = <850000>;
389 regulator-max-microvolt = <1300000>;
390 regulator-always-on;
391 regulator-boot-on;
392 };
393
394 buck5_reg: BUCK5 {
395 regulator-name = "P1.8V_BUCK_OUT5";
396 regulator-min-microvolt = <1800000>;
397 regulator-max-microvolt = <1800000>;
398 regulator-always-on;
399 regulator-boot-on;
400 };
401
402 buck6_reg: BUCK6 {
403 regulator-name = "P1.35V_BUCK_OUT6";
404 regulator-min-microvolt = <1350000>;
405 regulator-max-microvolt = <1350000>;
406 regulator-always-on;
407 };
408
409 buck7_reg: BUCK7 {
410 regulator-name = "P2.0V_BUCK_OUT7";
411 regulator-min-microvolt = <2000000>;
412 regulator-max-microvolt = <2000000>;
413 regulator-always-on;
414 };
415
416 buck8_reg: BUCK8 {
417 regulator-name = "P2.85V_BUCK_OUT8";
418 regulator-min-microvolt = <2850000>;
419 regulator-max-microvolt = <2850000>;
420 regulator-always-on;
421 };
422 };
423 };
424};
425
426&i2c_1 {
427 status = "okay";
428 samsung,i2c-sda-delay = <100>;
429 samsung,i2c-max-bus-freq = <378000>;
430
431 trackpad {
432 reg = <0x67>;
433 compatible = "cypress,cyapa";
434 interrupts = <2 IRQ_TYPE_NONE>;
435 interrupt-parent = <&gpx1>;
436 wakeup-source;
437 };
438};
439
440/*
441 * Disabled pullups since external part has its own pullups and
442 * double-pulling gets us out of spec in some cases.
443 */
444&i2c2_bus {
445 samsung,pin-pud = <0>;
446};
447
448&i2c_2 {
449 status = "okay";
450 samsung,i2c-sda-delay = <100>;
451 samsung,i2c-max-bus-freq = <66000>;
452
453 hdmiddc@50 {
454 compatible = "samsung,exynos4210-hdmiddc";
455 reg = <0x50>;
456 };
457};
458
459&i2c_3 {
460 status = "okay";
461 samsung,i2c-sda-delay = <100>;
462 samsung,i2c-max-bus-freq = <66000>;
463};
464
465&i2c_4 {
466 status = "okay";
467 samsung,i2c-sda-delay = <100>;
468 samsung,i2c-max-bus-freq = <66000>;
469};
470
471&i2c_5 {
472 status = "okay";
473 samsung,i2c-sda-delay = <100>;
474 samsung,i2c-max-bus-freq = <66000>;
475};
476
477&i2c_7 {
478 status = "okay";
479 samsung,i2c-sda-delay = <100>;
480 samsung,i2c-max-bus-freq = <66000>;
481
482 ptn3460: lvds-bridge@20 {
483 compatible = "nxp,ptn3460";
484 reg = <0x20>;
485 powerdown-gpios = <&gpy2 5 GPIO_ACTIVE_HIGH>;
486 reset-gpios = <&gpx1 5 GPIO_ACTIVE_HIGH>;
487 edid-emulation = <5>;
488
489 ports {
490 port@0 {
491 bridge_out: endpoint {
492 remote-endpoint = <&panel_in>;
493 };
494 };
495
496 port@1 {
497 bridge_in: endpoint {
498 remote-endpoint = <&dp_out>;
499 };
500 };
501 };
502 };
503};
504
505&i2c_8 {
506 status = "okay";
507 samsung,i2c-sda-delay = <100>;
508 samsung,i2c-max-bus-freq = <378000>;
509
510 hdmiphy: hdmiphy@38 {
511 compatible = "samsung,exynos4212-hdmiphy";
512 reg = <0x38>;
513 };
514};
515
516&i2s0 {
517 status = "okay";
518};
519
520&mmc_0 {
521 status = "okay";
522 num-slots = <1>;
523 non-removable;
524 samsung,dw-mshc-ciu-div = <3>;
525 samsung,dw-mshc-sdr-timing = <2 3>;
526 samsung,dw-mshc-ddr-timing = <1 2>;
527 pinctrl-names = "default";
528 pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_cd &sd0_bus4 &sd0_bus8>;
529 bus-width = <8>;
530 cap-mmc-highspeed;
531};
532
533&mmc_2 {
534 status = "okay";
535 num-slots = <1>;
536 card-detect-delay = <200>;
537 samsung,dw-mshc-ciu-div = <3>;
538 samsung,dw-mshc-sdr-timing = <2 3>;
539 samsung,dw-mshc-ddr-timing = <1 2>;
540 pinctrl-names = "default";
541 pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus4>;
542 bus-width = <4>;
543 wp-gpios = <&gpc2 1 GPIO_ACTIVE_HIGH>;
544 cap-sd-highspeed;
545};
546
547/*
548 * On Snow we've got SIP WiFi and so can keep drive strengths low to
549 * reduce EMI.
550 */
551&mmc_3 {
552 status = "okay";
553 num-slots = <1>;
554 non-removable;
555 cap-sdio-irq;
556 keep-power-in-suspend;
557 samsung,dw-mshc-ciu-div = <3>;
558 samsung,dw-mshc-sdr-timing = <2 3>;
559 samsung,dw-mshc-ddr-timing = <1 2>;
560 pinctrl-names = "default";
561 pinctrl-0 = <&sd3_clk &sd3_cmd &sd3_bus4 &wifi_en &wifi_rst>;
562 bus-width = <4>;
563 cap-sd-highspeed;
564 mmc-pwrseq = <&mmc3_pwrseq>;
565};
566
567&pinctrl_0 {
568 wifi_en: wifi-en {
569 samsung,pins = "gpx0-1";
570 samsung,pin-function = <1>;
571 samsung,pin-pud = <0>;
572 samsung,pin-drv = <0>;
573 };
574
575 wifi_rst: wifi-rst {
576 samsung,pins = "gpx0-2";
577 samsung,pin-function = <1>;
578 samsung,pin-pud = <0>;
579 samsung,pin-drv = <0>;
580 };
581
582 power_key_irq: power-key-irq {
583 samsung,pins = "gpx1-3";
584 samsung,pin-function = <0xf>;
585 samsung,pin-pud = <0>;
586 samsung,pin-drv = <0>;
587 };
588
589 ec_irq: ec-irq {
590 samsung,pins = "gpx1-6";
591 samsung,pin-function = <0>;
592 samsung,pin-pud = <0>;
593 samsung,pin-drv = <0>;
594 };
595
596 tps65090_irq: tps65090-irq {
597 samsung,pins = "gpx2-6";
598 samsung,pin-function = <0>;
599 samsung,pin-pud = <0>;
600 samsung,pin-drv = <0>;
601 };
602
603 usb3_vbus_en: usb3-vbus-en {
604 samsung,pins = "gpx2-7";
605 samsung,pin-function = <1>;
606 samsung,pin-pud = <0>;
607 samsung,pin-drv = <0>;
608 };
609
610 max77686_irq: max77686-irq {
611 samsung,pins = "gpx3-2";
612 samsung,pin-function = <0>;
613 samsung,pin-pud = <0>;
614 samsung,pin-drv = <0>;
615 };
616
617 lid_irq: lid-irq {
618 samsung,pins = "gpx3-5";
619 samsung,pin-function = <0xf>;
620 samsung,pin-pud = <0>;
621 samsung,pin-drv = <0>;
622 };
623
624 hdmi_hpd_irq: hdmi-hpd-irq {
625 samsung,pins = "gpx3-7";
626 samsung,pin-function = <0>;
627 samsung,pin-pud = <1>;
628 samsung,pin-drv = <0>;
629 };
630};
631
632&pinctrl_1 {
633 arb_their_claim: arb-their-claim {
634 samsung,pins = "gpe0-4";
635 samsung,pin-function = <0>;
636 samsung,pin-pud = <3>;
637 samsung,pin-drv = <0>;
638 };
639
640 arb_our_claim: arb-our-claim {
641 samsung,pins = "gpf0-3";
642 samsung,pin-function = <1>;
643 samsung,pin-pud = <0>;
644 samsung,pin-drv = <0>;
645 };
646};
647
648&rtc {
649 status = "okay";
650 clocks = <&clock CLK_RTC>, <&max77686 MAX77686_CLK_AP>;
651 clock-names = "rtc", "rtc_src";
652};
653
654&sd3_bus4 {
655 samsung,pin-drv = <0>;
656};
657
658&sd3_clk {
659 samsung,pin-drv = <0>;
660};
661
662&sd3_cmd {
663 samsung,pin-pud = <3>;
664 samsung,pin-drv = <0>;
665};
666
667&spi_1 {
668 status = "okay";
669 samsung,spi-src-clk = <0>;
670 num-cs = <1>;
671 cs-gpios = <&gpa2 5 GPIO_ACTIVE_HIGH>;
672};
673
674&usbdrd_dwc3 {
675 dr_mode = "host";
676};
677
678&usbdrd_phy {
679 vbus-supply = <&usb3_vbus_reg>;
680};
681
682#include "cros-ec-keyboard.dtsi"