Merge branch 'linux-linaro-lsk-v4.4-android' of git://git.linaro.org/kernel/linux...
[firefly-linux-kernel-4.4.55.git] / arch / arm / boot / dts / exynos5250-snow-common.dtsi
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                         gpio-key,wakeup;
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                         gpio-key,wakeup;
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,color-depth = <1>;
240         samsung,link-rate = <0x0a>;
241         samsung,lane-count = <2>;
242         hpd-gpios = <&gpx0 7 GPIO_ACTIVE_HIGH>;
243
244         ports {
245                 port@0 {
246                         dp_out: endpoint {
247                                 remote-endpoint = <&bridge_in>;
248                         };
249                 };
250         };
251 };
252
253 &ehci {
254         samsung,vbus-gpio = <&gpx1 1 GPIO_ACTIVE_HIGH>;
255 };
256
257 &fimd {
258         status = "okay";
259         samsung,invert-vclk;
260 };
261
262 &hdmi {
263         hpd-gpio = <&gpx3 7 GPIO_ACTIVE_HIGH>;
264         pinctrl-names = "default";
265         pinctrl-0 = <&hdmi_hpd_irq>;
266         phy = <&hdmiphy>;
267         ddc = <&i2c_2>;
268         hdmi-en-supply = <&tps65090_fet7>;
269         vdd-supply = <&ldo8_reg>;
270         vdd_osc-supply = <&ldo10_reg>;
271         vdd_pll-supply = <&ldo8_reg>;
272 };
273
274 &i2c_0 {
275         status = "okay";
276         samsung,i2c-sda-delay = <100>;
277         samsung,i2c-max-bus-freq = <378000>;
278
279         max77686: max77686@09 {
280                 compatible = "maxim,max77686";
281                 interrupt-parent = <&gpx3>;
282                 interrupts = <2 IRQ_TYPE_NONE>;
283                 pinctrl-names = "default";
284                 pinctrl-0 = <&max77686_irq>;
285                 wakeup-source;
286                 reg = <0x09>;
287                 #clock-cells = <1>;
288
289                 voltage-regulators {
290                         ldo1_reg: LDO1 {
291                                 regulator-name = "P1.0V_LDO_OUT1";
292                                 regulator-min-microvolt = <1000000>;
293                                 regulator-max-microvolt = <1000000>;
294                                 regulator-always-on;
295                         };
296
297                         ldo2_reg: LDO2 {
298                                 regulator-name = "P1.8V_LDO_OUT2";
299                                 regulator-min-microvolt = <1800000>;
300                                 regulator-max-microvolt = <1800000>;
301                                 regulator-always-on;
302                         };
303
304                         ldo3_reg: LDO3 {
305                                 regulator-name = "P1.8V_LDO_OUT3";
306                                 regulator-min-microvolt = <1800000>;
307                                 regulator-max-microvolt = <1800000>;
308                                 regulator-always-on;
309                         };
310
311                         ldo7_reg: LDO7 {
312                                 regulator-name = "P1.1V_LDO_OUT7";
313                                 regulator-min-microvolt = <1100000>;
314                                 regulator-max-microvolt = <1100000>;
315                                 regulator-always-on;
316                         };
317
318                         ldo8_reg: LDO8 {
319                                 regulator-name = "P1.0V_LDO_OUT8";
320                                 regulator-min-microvolt = <1000000>;
321                                 regulator-max-microvolt = <1000000>;
322                                 regulator-always-on;
323                         };
324
325                         ldo10_reg: LDO10 {
326                                 regulator-name = "P1.8V_LDO_OUT10";
327                                 regulator-min-microvolt = <1800000>;
328                                 regulator-max-microvolt = <1800000>;
329                                 regulator-always-on;
330                         };
331
332                         ldo12_reg: LDO12 {
333                                 regulator-name = "P3.0V_LDO_OUT12";
334                                 regulator-min-microvolt = <3000000>;
335                                 regulator-max-microvolt = <3000000>;
336                                 regulator-always-on;
337                         };
338
339                         ldo14_reg: LDO14 {
340                                 regulator-name = "P1.8V_LDO_OUT14";
341                                 regulator-min-microvolt = <1800000>;
342                                 regulator-max-microvolt = <1800000>;
343                                 regulator-always-on;
344                         };
345
346                         ldo15_reg: LDO15 {
347                                 regulator-name = "P1.0V_LDO_OUT15";
348                                 regulator-min-microvolt = <1000000>;
349                                 regulator-max-microvolt = <1000000>;
350                                 regulator-always-on;
351                         };
352
353                         ldo16_reg: LDO16 {
354                                 regulator-name = "P1.8V_LDO_OUT16";
355                                 regulator-min-microvolt = <1800000>;
356                                 regulator-max-microvolt = <1800000>;
357                                 regulator-always-on;
358                         };
359
360                         buck1_reg: BUCK1 {
361                                 regulator-name = "vdd_mif";
362                                 regulator-min-microvolt = <950000>;
363                                 regulator-max-microvolt = <1300000>;
364                                 regulator-always-on;
365                                 regulator-boot-on;
366                         };
367
368                         buck2_reg: BUCK2 {
369                                 regulator-name = "vdd_arm";
370                                 regulator-min-microvolt = <850000>;
371                                 regulator-max-microvolt = <1350000>;
372                                 regulator-always-on;
373                                 regulator-boot-on;
374                         };
375
376                         buck3_reg: BUCK3 {
377                                 regulator-name = "vdd_int";
378                                 regulator-min-microvolt = <900000>;
379                                 regulator-max-microvolt = <1200000>;
380                                 regulator-always-on;
381                                 regulator-boot-on;
382                         };
383
384                         buck4_reg: BUCK4 {
385                                 regulator-name = "vdd_g3d";
386                                 regulator-min-microvolt = <850000>;
387                                 regulator-max-microvolt = <1300000>;
388                                 regulator-always-on;
389                                 regulator-boot-on;
390                         };
391
392                         buck5_reg: BUCK5 {
393                                 regulator-name = "P1.8V_BUCK_OUT5";
394                                 regulator-min-microvolt = <1800000>;
395                                 regulator-max-microvolt = <1800000>;
396                                 regulator-always-on;
397                                 regulator-boot-on;
398                         };
399
400                         buck6_reg: BUCK6 {
401                                 regulator-name = "P1.35V_BUCK_OUT6";
402                                 regulator-min-microvolt = <1350000>;
403                                 regulator-max-microvolt = <1350000>;
404                                 regulator-always-on;
405                         };
406
407                         buck7_reg: BUCK7 {
408                                 regulator-name = "P2.0V_BUCK_OUT7";
409                                 regulator-min-microvolt = <2000000>;
410                                 regulator-max-microvolt = <2000000>;
411                                 regulator-always-on;
412                         };
413
414                         buck8_reg: BUCK8 {
415                                 regulator-name = "P2.85V_BUCK_OUT8";
416                                 regulator-min-microvolt = <2850000>;
417                                 regulator-max-microvolt = <2850000>;
418                                 regulator-always-on;
419                         };
420                 };
421         };
422 };
423
424 &i2c_1 {
425         status = "okay";
426         samsung,i2c-sda-delay = <100>;
427         samsung,i2c-max-bus-freq = <378000>;
428
429         trackpad {
430                 reg = <0x67>;
431                 compatible = "cypress,cyapa";
432                 interrupts = <2 IRQ_TYPE_NONE>;
433                 interrupt-parent = <&gpx1>;
434                 wakeup-source;
435         };
436 };
437
438 /*
439  * Disabled pullups since external part has its own pullups and
440  * double-pulling gets us out of spec in some cases.
441  */
442 &i2c2_bus {
443         samsung,pin-pud = <0>;
444 };
445
446 &i2c_2 {
447         status = "okay";
448         samsung,i2c-sda-delay = <100>;
449         samsung,i2c-max-bus-freq = <66000>;
450
451         hdmiddc@50 {
452                 compatible = "samsung,exynos4210-hdmiddc";
453                 reg = <0x50>;
454         };
455 };
456
457 &i2c_3 {
458         status = "okay";
459         samsung,i2c-sda-delay = <100>;
460         samsung,i2c-max-bus-freq = <66000>;
461 };
462
463 &i2c_4 {
464         status = "okay";
465         samsung,i2c-sda-delay = <100>;
466         samsung,i2c-max-bus-freq = <66000>;
467 };
468
469 &i2c_5 {
470         status = "okay";
471         samsung,i2c-sda-delay = <100>;
472         samsung,i2c-max-bus-freq = <66000>;
473 };
474
475 &i2c_7 {
476         status = "okay";
477         samsung,i2c-sda-delay = <100>;
478         samsung,i2c-max-bus-freq = <66000>;
479
480         ptn3460: lvds-bridge@20 {
481                 compatible = "nxp,ptn3460";
482                 reg = <0x20>;
483                 powerdown-gpios = <&gpy2 5 GPIO_ACTIVE_HIGH>;
484                 reset-gpios = <&gpx1 5 GPIO_ACTIVE_HIGH>;
485                 edid-emulation = <5>;
486
487                 ports {
488                         port@0 {
489                                 bridge_out: endpoint {
490                                         remote-endpoint = <&panel_in>;
491                                 };
492                         };
493
494                         port@1 {
495                                 bridge_in: endpoint {
496                                         remote-endpoint = <&dp_out>;
497                                 };
498                         };
499                 };
500         };
501 };
502
503 &i2c_8 {
504         status = "okay";
505         samsung,i2c-sda-delay = <100>;
506         samsung,i2c-max-bus-freq = <378000>;
507
508         hdmiphy: hdmiphy@38 {
509                 compatible = "samsung,exynos4212-hdmiphy";
510                 reg = <0x38>;
511         };
512 };
513
514 &i2s0 {
515         status = "okay";
516 };
517
518 &mmc_0 {
519         status = "okay";
520         num-slots = <1>;
521         broken-cd;
522         card-detect-delay = <200>;
523         samsung,dw-mshc-ciu-div = <3>;
524         samsung,dw-mshc-sdr-timing = <2 3>;
525         samsung,dw-mshc-ddr-timing = <1 2>;
526         pinctrl-names = "default";
527         pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_cd &sd0_bus4 &sd0_bus8>;
528         bus-width = <8>;
529         cap-mmc-highspeed;
530 };
531
532 &mmc_2 {
533         status = "okay";
534         num-slots = <1>;
535         card-detect-delay = <200>;
536         samsung,dw-mshc-ciu-div = <3>;
537         samsung,dw-mshc-sdr-timing = <2 3>;
538         samsung,dw-mshc-ddr-timing = <1 2>;
539         pinctrl-names = "default";
540         pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus4>;
541         bus-width = <4>;
542         wp-gpios = <&gpc2 1 GPIO_ACTIVE_HIGH>;
543         cap-sd-highspeed;
544 };
545
546 /*
547  * On Snow we've got SIP WiFi and so can keep drive strengths low to
548  * reduce EMI.
549  */
550 &mmc_3 {
551         status = "okay";
552         num-slots = <1>;
553         broken-cd;
554         cap-sdio-irq;
555         keep-power-in-suspend;
556         card-detect-delay = <200>;
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"