| blob | b7f4122df456b05438b8f719adaa9eb95a5dfb5f |
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 */
11 /dts-v1/;
12 #include <dt-bindings/gpio/gpio.h>
13 #include <dt-bindings/clock/maxim,max77686.h>
14 #include <dt-bindings/interrupt-controller/irq.h>
15 #include <dt-bindings/input/input.h>
16 #include "exynos5250.dtsi"
18 / {
19 model = "Google Snow";
20 compatible = "google,snow", "samsung,exynos5250", "samsung,exynos5";
22 aliases {
23 i2c104 = &i2c_104;
24 };
26 memory {
27 reg = <0x40000000 0x80000000>;
28 };
30 chosen {
31 bootargs = "console=tty1";
32 stdout-path = "serial3:115200n8";
33 };
35 gpio-keys {
36 compatible = "gpio-keys";
37 pinctrl-names = "default";
38 pinctrl-0 = <&power_key_irq &lid_irq>;
40 power {
41 label = "Power";
42 gpios = <&gpx1 3 GPIO_ACTIVE_LOW>;
43 linux,code = <KEY_POWER>;
44 gpio-key,wakeup;
45 };
47 lid-switch {
48 label = "Lid";
49 gpios = <&gpx3 5 GPIO_ACTIVE_LOW>;
50 linux,input-type = <5>; /* EV_SW */
51 linux,code = <0>; /* SW_LID */
52 debounce-interval = <1>;
53 gpio-key,wakeup;
54 };
55 };
57 vbat: vbat-fixed-regulator {
58 compatible = "regulator-fixed";
59 regulator-name = "vbat-supply";
60 regulator-boot-on;
61 };
63 i2c-arbitrator {
64 compatible = "i2c-arb-gpio-challenge";
65 #address-cells = <1>;
66 #size-cells = <0>;
68 i2c-parent = <&{/i2c@12CA0000}>;
70 our-claim-gpio = <&gpf0 3 GPIO_ACTIVE_LOW>;
71 their-claim-gpios = <&gpe0 4 GPIO_ACTIVE_LOW>;
72 slew-delay-us = <10>;
73 wait-retry-us = <3000>;
74 wait-free-us = <50000>;
76 pinctrl-names = "default";
77 pinctrl-0 = <&arb_our_claim &arb_their_claim>;
79 /* Use ID 104 as a hint that we're on physical bus 4 */
80 i2c_104: i2c@0 {
81 reg = <0>;
82 #address-cells = <1>;
83 #size-cells = <0>;
85 battery: sbs-battery@b {
86 compatible = "sbs,sbs-battery";
87 reg = <0xb>;
88 sbs,poll-retry-count = <1>;
89 };
91 cros_ec: embedded-controller {
92 compatible = "google,cros-ec-i2c";
93 reg = <0x1e>;
94 interrupts = <6 IRQ_TYPE_NONE>;
95 interrupt-parent = <&gpx1>;
96 pinctrl-names = "default";
97 pinctrl-0 = <&ec_irq>;
98 wakeup-source;
99 };
101 power-regulator {
102 compatible = "ti,tps65090";
103 reg = <0x48>;
105 /*
106 * Config irq to disable internal pulls
107 * even though we run in polling mode.
108 */
109 pinctrl-names = "default";
110 pinctrl-0 = <&tps65090_irq>;
112 vsys1-supply = <&vbat>;
113 vsys2-supply = <&vbat>;
114 vsys3-supply = <&vbat>;
115 infet1-supply = <&vbat>;
116 infet2-supply = <&vbat>;
117 infet3-supply = <&vbat>;
118 infet4-supply = <&vbat>;
119 infet5-supply = <&vbat>;
120 infet6-supply = <&vbat>;
121 infet7-supply = <&vbat>;
122 vsys-l1-supply = <&vbat>;
123 vsys-l2-supply = <&vbat>;
125 regulators {
126 dcdc1 {
127 ti,enable-ext-control;
128 };
129 dcdc2 {
130 ti,enable-ext-control;
131 };
132 dcdc3 {
133 ti,enable-ext-control;
134 };
135 fet1: fet1 {
136 regulator-name = "vcd_led";
137 ti,overcurrent-wait = <3>;
138 };
139 tps65090_fet2: fet2 {
140 regulator-name = "video_mid";
141 regulator-always-on;
142 ti,overcurrent-wait = <3>;
143 };
144 fet3 {
145 regulator-name = "wwan_r";
146 regulator-always-on;
147 ti,overcurrent-wait = <3>;
148 };
149 fet4 {
150 regulator-name = "sdcard";
151 ti,overcurrent-wait = <3>;
152 };
153 fet5 {
154 regulator-name = "camout";
155 regulator-always-on;
156 ti,overcurrent-wait = <3>;
157 };
158 fet6: fet6 {
159 regulator-name = "lcd_vdd";
160 ti,overcurrent-wait = <3>;
161 };
162 tps65090_fet7: fet7 {
163 regulator-name = "video_mid_1a";
164 regulator-always-on;
165 ti,overcurrent-wait = <3>;
166 };
167 ldo1 {
168 };
169 ldo2 {
170 };
171 };
173 charger {
174 compatible = "ti,tps65090-charger";
175 };
176 };
177 };
178 };
180 sound {
181 compatible = "google,snow-audio-max98095";
183 samsung,model = "Snow-I2S-MAX98095";
184 samsung,i2s-controller = <&i2s0>;
185 samsung,audio-codec = <&max98095>;
186 };
188 usb3_vbus_reg: regulator-usb3 {
189 compatible = "regulator-fixed";
190 regulator-name = "P5.0V_USB3CON";
191 regulator-min-microvolt = <5000000>;
192 regulator-max-microvolt = <5000000>;
193 gpio = <&gpx2 7 GPIO_ACTIVE_HIGH>;
194 pinctrl-names = "default";
195 pinctrl-0 = <&usb3_vbus_en>;
196 enable-active-high;
197 };
199 fixed-rate-clocks {
200 xxti {
201 compatible = "samsung,clock-xxti";
202 clock-frequency = <24000000>;
203 };
204 };
206 backlight: backlight {
207 compatible = "pwm-backlight";
208 pwms = <&pwm 0 1000000 0>;
209 brightness-levels = <0 100 500 1000 1500 2000 2500 2800>;
210 default-brightness-level = <7>;
211 enable-gpios = <&gpx3 0 GPIO_ACTIVE_HIGH>;
212 power-supply = <&fet1>;
213 pinctrl-0 = <&pwm0_out>;
214 pinctrl-names = "default";
215 };
217 panel: panel {
218 compatible = "auo,b116xw03";
219 power-supply = <&fet6>;
220 backlight = <&backlight>;
222 port {
223 panel_in: endpoint {
224 remote-endpoint = <&bridge_out>;
225 };
226 };
227 };
229 mmc3_pwrseq: mmc3_pwrseq {
230 compatible = "mmc-pwrseq-simple";
231 reset-gpios = <&gpx0 2 GPIO_ACTIVE_LOW>, /* WIFI_RSTn */
232 <&gpx0 1 GPIO_ACTIVE_LOW>; /* WIFI_EN */
233 clocks = <&max77686 MAX77686_CLK_PMIC>;
234 clock-names = "ext_clock";
235 };
236 };
238 &dp {
239 status = "okay";
240 pinctrl-names = "default";
241 pinctrl-0 = <&dp_hpd>;
242 samsung,color-space = <0>;
243 samsung,dynamic-range = <0>;
244 samsung,ycbcr-coeff = <0>;
245 samsung,color-depth = <1>;
246 samsung,link-rate = <0x0a>;
247 samsung,lane-count = <2>;
248 samsung,hpd-gpio = <&gpx0 7 GPIO_ACTIVE_HIGH>;
250 ports {
251 port@0 {
252 dp_out: endpoint {
253 remote-endpoint = <&bridge_in>;
254 };
255 };
256 };
257 };
259 &ehci {
260 samsung,vbus-gpio = <&gpx1 1 GPIO_ACTIVE_HIGH>;
261 };
263 &fimd {
264 status = "okay";
265 samsung,invert-vclk;
266 };
268 &hdmi {
269 hpd-gpio = <&gpx3 7 GPIO_ACTIVE_HIGH>;
270 pinctrl-names = "default";
271 pinctrl-0 = <&hdmi_hpd_irq>;
272 phy = <&hdmiphy>;
273 ddc = <&i2c_2>;
274 hdmi-en-supply = <&tps65090_fet7>;
275 vdd-supply = <&ldo8_reg>;
276 vdd_osc-supply = <&ldo10_reg>;
277 vdd_pll-supply = <&ldo8_reg>;
278 };
280 &i2c_0 {
281 status = "okay";
282 samsung,i2c-sda-delay = <100>;
283 samsung,i2c-max-bus-freq = <378000>;
285 max77686: max77686@09 {
286 compatible = "maxim,max77686";
287 interrupt-parent = <&gpx3>;
288 interrupts = <2 IRQ_TYPE_NONE>;
289 pinctrl-names = "default";
290 pinctrl-0 = <&max77686_irq>;
291 wakeup-source;
292 reg = <0x09>;
293 #clock-cells = <1>;
295 voltage-regulators {
296 ldo1_reg: LDO1 {
297 regulator-name = "P1.0V_LDO_OUT1";
298 regulator-min-microvolt = <1000000>;
299 regulator-max-microvolt = <1000000>;
300 regulator-always-on;
301 };
303 ldo2_reg: LDO2 {
304 regulator-name = "P1.8V_LDO_OUT2";
305 regulator-min-microvolt = <1800000>;
306 regulator-max-microvolt = <1800000>;
307 regulator-always-on;
308 };
310 ldo3_reg: LDO3 {
311 regulator-name = "P1.8V_LDO_OUT3";
312 regulator-min-microvolt = <1800000>;
313 regulator-max-microvolt = <1800000>;
314 regulator-always-on;
315 };
317 ldo7_reg: LDO7 {
318 regulator-name = "P1.1V_LDO_OUT7";
319 regulator-min-microvolt = <1100000>;
320 regulator-max-microvolt = <1100000>;
321 regulator-always-on;
322 };
324 ldo8_reg: LDO8 {
325 regulator-name = "P1.0V_LDO_OUT8";
326 regulator-min-microvolt = <1000000>;
327 regulator-max-microvolt = <1000000>;
328 regulator-always-on;
329 };
331 ldo10_reg: LDO10 {
332 regulator-name = "P1.8V_LDO_OUT10";
333 regulator-min-microvolt = <1800000>;
334 regulator-max-microvolt = <1800000>;
335 regulator-always-on;
336 };
338 ldo12_reg: LDO12 {
339 regulator-name = "P3.0V_LDO_OUT12";
340 regulator-min-microvolt = <3000000>;
341 regulator-max-microvolt = <3000000>;
342 regulator-always-on;
343 };
345 ldo14_reg: LDO14 {
346 regulator-name = "P1.8V_LDO_OUT14";
347 regulator-min-microvolt = <1800000>;
348 regulator-max-microvolt = <1800000>;
349 regulator-always-on;
350 };
352 ldo15_reg: LDO15 {
353 regulator-name = "P1.0V_LDO_OUT15";
354 regulator-min-microvolt = <1000000>;
355 regulator-max-microvolt = <1000000>;
356 regulator-always-on;
357 };
359 ldo16_reg: LDO16 {
360 regulator-name = "P1.8V_LDO_OUT16";
361 regulator-min-microvolt = <1800000>;
362 regulator-max-microvolt = <1800000>;
363 regulator-always-on;
364 };
366 buck1_reg: BUCK1 {
367 regulator-name = "vdd_mif";
368 regulator-min-microvolt = <950000>;
369 regulator-max-microvolt = <1300000>;
370 regulator-always-on;
371 regulator-boot-on;
372 };
374 buck2_reg: BUCK2 {
375 regulator-name = "vdd_arm";
376 regulator-min-microvolt = <850000>;
377 regulator-max-microvolt = <1350000>;
378 regulator-always-on;
379 regulator-boot-on;
380 };
382 buck3_reg: BUCK3 {
383 regulator-name = "vdd_int";
384 regulator-min-microvolt = <900000>;
385 regulator-max-microvolt = <1200000>;
386 regulator-always-on;
387 regulator-boot-on;
388 };
390 buck4_reg: BUCK4 {
391 regulator-name = "vdd_g3d";
392 regulator-min-microvolt = <850000>;
393 regulator-max-microvolt = <1300000>;
394 regulator-always-on;
395 regulator-boot-on;
396 };
398 buck5_reg: BUCK5 {
399 regulator-name = "P1.8V_BUCK_OUT5";
400 regulator-min-microvolt = <1800000>;
401 regulator-max-microvolt = <1800000>;
402 regulator-always-on;
403 regulator-boot-on;
404 };
406 buck6_reg: BUCK6 {
407 regulator-name = "P1.35V_BUCK_OUT6";
408 regulator-min-microvolt = <1350000>;
409 regulator-max-microvolt = <1350000>;
410 regulator-always-on;
411 };
413 buck7_reg: BUCK7 {
414 regulator-name = "P2.0V_BUCK_OUT7";
415 regulator-min-microvolt = <2000000>;
416 regulator-max-microvolt = <2000000>;
417 regulator-always-on;
418 };
420 buck8_reg: BUCK8 {
421 regulator-name = "P2.85V_BUCK_OUT8";
422 regulator-min-microvolt = <2850000>;
423 regulator-max-microvolt = <2850000>;
424 regulator-always-on;
425 };
426 };
427 };
428 };
430 &i2c_1 {
431 status = "okay";
432 samsung,i2c-sda-delay = <100>;
433 samsung,i2c-max-bus-freq = <378000>;
435 trackpad {
436 reg = <0x67>;
437 compatible = "cypress,cyapa";
438 interrupts = <2 IRQ_TYPE_NONE>;
439 interrupt-parent = <&gpx1>;
440 wakeup-source;
441 };
442 };
444 /*
445 * Disabled pullups since external part has its own pullups and
446 * double-pulling gets us out of spec in some cases.
447 */
448 &i2c2_bus {
449 samsung,pin-pud = <0>;
450 };
452 &i2c_2 {
453 status = "okay";
454 samsung,i2c-sda-delay = <100>;
455 samsung,i2c-max-bus-freq = <66000>;
457 hdmiddc@50 {
458 compatible = "samsung,exynos4210-hdmiddc";
459 reg = <0x50>;
460 };
461 };
463 &i2c_3 {
464 status = "okay";
465 samsung,i2c-sda-delay = <100>;
466 samsung,i2c-max-bus-freq = <66000>;
467 };
469 &i2c_4 {
470 status = "okay";
471 samsung,i2c-sda-delay = <100>;
472 samsung,i2c-max-bus-freq = <66000>;
473 };
475 &i2c_5 {
476 status = "okay";
477 samsung,i2c-sda-delay = <100>;
478 samsung,i2c-max-bus-freq = <66000>;
479 };
481 &i2c_7 {
482 status = "okay";
483 samsung,i2c-sda-delay = <100>;
484 samsung,i2c-max-bus-freq = <66000>;
486 ptn3460: lvds-bridge@20 {
487 compatible = "nxp,ptn3460";
488 reg = <0x20>;
489 powerdown-gpios = <&gpy2 5 GPIO_ACTIVE_HIGH>;
490 reset-gpios = <&gpx1 5 GPIO_ACTIVE_HIGH>;
491 edid-emulation = <5>;
493 ports {
494 port@0 {
495 bridge_out: endpoint {
496 remote-endpoint = <&panel_in>;
497 };
498 };
500 port@1 {
501 bridge_in: endpoint {
502 remote-endpoint = <&dp_out>;
503 };
504 };
505 };
506 };
508 max98095: codec@11 {
509 compatible = "maxim,max98095";
510 reg = <0x11>;
511 pinctrl-0 = <&max98095_en>;
512 pinctrl-names = "default";
513 };
514 };
516 &i2c_8 {
517 status = "okay";
518 samsung,i2c-sda-delay = <100>;
519 samsung,i2c-max-bus-freq = <378000>;
521 hdmiphy: hdmiphy@38 {
522 compatible = "samsung,exynos4212-hdmiphy";
523 reg = <0x38>;
524 };
525 };
527 &i2s0 {
528 status = "okay";
529 };
531 &mmc_0 {
532 status = "okay";
533 num-slots = <1>;
534 broken-cd;
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 = <&sd0_clk &sd0_cmd &sd0_cd &sd0_bus4 &sd0_bus8>;
541 bus-width = <8>;
542 cap-mmc-highspeed;
543 };
545 &mmc_2 {
546 status = "okay";
547 num-slots = <1>;
548 card-detect-delay = <200>;
549 samsung,dw-mshc-ciu-div = <3>;
550 samsung,dw-mshc-sdr-timing = <2 3>;
551 samsung,dw-mshc-ddr-timing = <1 2>;
552 pinctrl-names = "default";
553 pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus4>;
554 bus-width = <4>;
555 wp-gpios = <&gpc2 1 GPIO_ACTIVE_HIGH>;
556 cap-sd-highspeed;
557 };
559 /*
560 * On Snow we've got SIP WiFi and so can keep drive strengths low to
561 * reduce EMI.
562 */
563 &mmc_3 {
564 status = "okay";
565 num-slots = <1>;
566 broken-cd;
567 cap-sdio-irq;
568 keep-power-in-suspend;
569 card-detect-delay = <200>;
570 samsung,dw-mshc-ciu-div = <3>;
571 samsung,dw-mshc-sdr-timing = <2 3>;
572 samsung,dw-mshc-ddr-timing = <1 2>;
573 pinctrl-names = "default";
574 pinctrl-0 = <&sd3_clk &sd3_cmd &sd3_bus4 &wifi_en &wifi_rst>;
575 bus-width = <4>;
576 cap-sd-highspeed;
577 mmc-pwrseq = <&mmc3_pwrseq>;
578 };
580 &pinctrl_0 {
581 wifi_en: wifi-en {
582 samsung,pins = "gpx0-1";
583 samsung,pin-function = <1>;
584 samsung,pin-pud = <0>;
585 samsung,pin-drv = <0>;
586 };
588 wifi_rst: wifi-rst {
589 samsung,pins = "gpx0-2";
590 samsung,pin-function = <1>;
591 samsung,pin-pud = <0>;
592 samsung,pin-drv = <0>;
593 };
595 power_key_irq: power-key-irq {
596 samsung,pins = "gpx1-3";
597 samsung,pin-function = <0xf>;
598 samsung,pin-pud = <0>;
599 samsung,pin-drv = <0>;
600 };
602 ec_irq: ec-irq {
603 samsung,pins = "gpx1-6";
604 samsung,pin-function = <0>;
605 samsung,pin-pud = <0>;
606 samsung,pin-drv = <0>;
607 };
609 max98095_en: max98095-en {
610 samsung,pins = "gpx1-7";
611 samsung,pin-function = <0>;
612 samsung,pin-pud = <3>;
613 samsung,pin-drv = <0>;
614 };
616 tps65090_irq: tps65090-irq {
617 samsung,pins = "gpx2-6";
618 samsung,pin-function = <0>;
619 samsung,pin-pud = <0>;
620 samsung,pin-drv = <0>;
621 };
623 usb3_vbus_en: usb3-vbus-en {
624 samsung,pins = "gpx2-7";
625 samsung,pin-function = <1>;
626 samsung,pin-pud = <0>;
627 samsung,pin-drv = <0>;
628 };
630 max77686_irq: max77686-irq {
631 samsung,pins = "gpx3-2";
632 samsung,pin-function = <0>;
633 samsung,pin-pud = <0>;
634 samsung,pin-drv = <0>;
635 };
637 lid_irq: lid-irq {
638 samsung,pins = "gpx3-5";
639 samsung,pin-function = <0xf>;
640 samsung,pin-pud = <0>;
641 samsung,pin-drv = <0>;
642 };
644 hdmi_hpd_irq: hdmi-hpd-irq {
645 samsung,pins = "gpx3-7";
646 samsung,pin-function = <0>;
647 samsung,pin-pud = <1>;
648 samsung,pin-drv = <0>;
649 };
650 };
652 &pinctrl_1 {
653 arb_their_claim: arb-their-claim {
654 samsung,pins = "gpe0-4";
655 samsung,pin-function = <0>;
656 samsung,pin-pud = <3>;
657 samsung,pin-drv = <0>;
658 };
660 arb_our_claim: arb-our-claim {
661 samsung,pins = "gpf0-3";
662 samsung,pin-function = <1>;
663 samsung,pin-pud = <0>;
664 samsung,pin-drv = <0>;
665 };
666 };
668 &rtc {
669 status = "okay";
670 clocks = <&clock CLK_RTC>, <&max77686 MAX77686_CLK_AP>;
671 clock-names = "rtc", "rtc_src";
672 };
674 &sd3_bus4 {
675 samsung,pin-drv = <0>;
676 };
678 &sd3_clk {
679 samsung,pin-drv = <0>;
680 };
682 &sd3_cmd {
683 samsung,pin-pud = <3>;
684 samsung,pin-drv = <0>;
685 };
687 &spi_1 {
688 status = "okay";
689 samsung,spi-src-clk = <0>;
690 num-cs = <1>;
691 };
693 &usbdrd_dwc3 {
694 dr_mode = "host";
695 };
697 &usbdrd_phy {
698 vbus-supply = <&usb3_vbus_reg>;
699 };
701 #include "cros-ec-keyboard.dtsi"