| blob | 6635f6184051e593d74dfdea7c30408f35a1841f |
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Google Snow board device tree source
4 *
5 * Copyright (c) 2012 Google, Inc
6 */
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/clock/maxim,max77686.h>
10 #include <dt-bindings/interrupt-controller/irq.h>
11 #include <dt-bindings/input/input.h>
12 #include <dt-bindings/sound/samsung-i2s.h>
13 #include "exynos5250.dtsi"
15 / {
16 aliases {
17 i2c104 = &i2c_104;
18 };
20 memory@40000000 {
21 device_type = "memory";
22 reg = <0x40000000 0x80000000>;
23 };
25 chosen {
26 bootargs = "console=tty1";
27 stdout-path = "serial3:115200n8";
28 };
30 gpio-keys {
31 compatible = "gpio-keys";
32 pinctrl-names = "default";
33 pinctrl-0 = <&power_key_irq &lid_irq>;
35 power {
36 label = "Power";
37 gpios = <&gpx1 3 GPIO_ACTIVE_LOW>;
38 linux,code = <KEY_POWER>;
39 wakeup-source;
40 };
42 lid-switch {
43 label = "Lid";
44 gpios = <&gpx3 5 GPIO_ACTIVE_LOW>;
45 linux,input-type = <5>; /* EV_SW */
46 linux,code = <0>; /* SW_LID */
47 debounce-interval = <1>;
48 wakeup-source;
49 };
50 };
52 vbat: vbat-fixed-regulator {
53 compatible = "regulator-fixed";
54 regulator-name = "vbat-supply";
55 regulator-boot-on;
56 };
58 i2c-arbitrator {
59 compatible = "i2c-arb-gpio-challenge";
60 #address-cells = <1>;
61 #size-cells = <0>;
63 i2c-parent = <&i2c_4>;
65 our-claim-gpio = <&gpf0 3 GPIO_ACTIVE_LOW>;
66 their-claim-gpios = <&gpe0 4 GPIO_ACTIVE_LOW>;
67 slew-delay-us = <10>;
68 wait-retry-us = <3000>;
69 wait-free-us = <50000>;
71 pinctrl-names = "default";
72 pinctrl-0 = <&arb_our_claim &arb_their_claim>;
74 /* Use ID 104 as a hint that we're on physical bus 4 */
75 i2c_104: i2c@0 {
76 reg = <0>;
77 #address-cells = <1>;
78 #size-cells = <0>;
80 battery: sbs-battery@b {
81 compatible = "sbs,sbs-battery";
82 reg = <0xb>;
83 sbs,poll-retry-count = <1>;
84 };
86 cros_ec: embedded-controller@1e {
87 compatible = "google,cros-ec-i2c";
88 reg = <0x1e>;
89 interrupts = <6 IRQ_TYPE_NONE>;
90 interrupt-parent = <&gpx1>;
91 pinctrl-names = "default";
92 pinctrl-0 = <&ec_irq>;
93 wakeup-source;
94 };
96 power-regulator@48 {
97 compatible = "ti,tps65090";
98 reg = <0x48>;
100 /*
101 * Config irq to disable internal pulls
102 * even though we run in polling mode.
103 */
104 pinctrl-names = "default";
105 pinctrl-0 = <&tps65090_irq>;
107 vsys1-supply = <&vbat>;
108 vsys2-supply = <&vbat>;
109 vsys3-supply = <&vbat>;
110 infet1-supply = <&vbat>;
111 infet2-supply = <&vbat>;
112 infet3-supply = <&vbat>;
113 infet4-supply = <&vbat>;
114 infet5-supply = <&vbat>;
115 infet6-supply = <&vbat>;
116 infet7-supply = <&vbat>;
117 vsys-l1-supply = <&vbat>;
118 vsys-l2-supply = <&vbat>;
120 regulators {
121 dcdc1 {
122 ti,enable-ext-control;
123 };
124 dcdc2 {
125 ti,enable-ext-control;
126 };
127 dcdc3 {
128 ti,enable-ext-control;
129 };
130 fet1: fet1 {
131 regulator-name = "vcd_led";
132 ti,overcurrent-wait = <3>;
133 };
134 tps65090_fet2: fet2 {
135 regulator-name = "video_mid";
136 regulator-always-on;
137 ti,overcurrent-wait = <3>;
138 };
139 fet3 {
140 regulator-name = "wwan_r";
141 regulator-always-on;
142 ti,overcurrent-wait = <3>;
143 };
144 fet4 {
145 regulator-name = "sdcard";
146 ti,overcurrent-wait = <3>;
147 };
148 fet5 {
149 regulator-name = "camout";
150 regulator-always-on;
151 ti,overcurrent-wait = <3>;
152 };
153 fet6: fet6 {
154 regulator-name = "lcd_vdd";
155 ti,overcurrent-wait = <3>;
156 };
157 tps65090_fet7: fet7 {
158 regulator-name = "video_mid_1a";
159 regulator-always-on;
160 ti,overcurrent-wait = <3>;
161 };
162 ldo1 {
163 };
164 ldo2 {
165 };
166 };
168 charger {
169 compatible = "ti,tps65090-charger";
170 };
171 };
172 };
173 };
175 sound {
176 samsung,i2s-controller = <&i2s0>;
177 };
179 usb3_vbus_reg: regulator-usb3 {
180 compatible = "regulator-fixed";
181 regulator-name = "P5.0V_USB3CON";
182 regulator-min-microvolt = <5000000>;
183 regulator-max-microvolt = <5000000>;
184 gpio = <&gpx2 7 GPIO_ACTIVE_HIGH>;
185 pinctrl-names = "default";
186 pinctrl-0 = <&usb3_vbus_en>;
187 enable-active-high;
188 };
190 fixed-rate-clocks {
191 xxti {
192 compatible = "samsung,clock-xxti";
193 clock-frequency = <24000000>;
194 };
195 };
197 backlight: backlight {
198 compatible = "pwm-backlight";
199 pwms = <&pwm 0 1000000 0>;
200 brightness-levels = <0 100 500 1000 1500 2000 2500 2800>;
201 default-brightness-level = <7>;
202 enable-gpios = <&gpx3 0 GPIO_ACTIVE_HIGH>;
203 power-supply = <&fet1>;
204 pinctrl-0 = <&pwm0_out>;
205 pinctrl-names = "default";
206 };
208 panel: panel {
209 compatible = "auo,b116xw03";
210 power-supply = <&fet6>;
211 backlight = <&backlight>;
213 port {
214 panel_in: endpoint {
215 remote-endpoint = <&bridge_out>;
216 };
217 };
218 };
220 mmc3_pwrseq: mmc3-pwrseq {
221 compatible = "mmc-pwrseq-simple";
222 reset-gpios = <&gpx0 2 GPIO_ACTIVE_LOW>, /* WIFI_RSTn */
223 <&gpx0 1 GPIO_ACTIVE_LOW>; /* WIFI_EN */
224 clocks = <&max77686 MAX77686_CLK_PMIC>;
225 clock-names = "ext_clock";
226 };
227 };
229 &clock {
230 assigned-clocks = <&clock CLK_FOUT_EPLL>;
231 assigned-clock-rates = <49152000>;
232 };
234 &clock_audss {
235 assigned-clocks = <&clock_audss EXYNOS_MOUT_AUDSS>;
236 assigned-clock-parents = <&clock CLK_FOUT_EPLL>;
237 };
239 &cpu0 {
240 cpu0-supply = <&buck2_reg>;
241 };
243 &dp {
244 status = "okay";
245 pinctrl-names = "default";
246 pinctrl-0 = <&dp_hpd>;
247 samsung,color-space = <0>;
248 samsung,color-depth = <1>;
249 samsung,link-rate = <0x0a>;
250 samsung,lane-count = <2>;
251 hpd-gpios = <&gpx0 7 GPIO_ACTIVE_HIGH>;
253 ports {
254 port {
255 dp_out: endpoint {
256 remote-endpoint = <&bridge_in>;
257 };
258 };
259 };
260 };
262 &ehci {
263 samsung,vbus-gpio = <&gpx1 1 GPIO_ACTIVE_HIGH>;
264 };
266 &fimd {
267 status = "okay";
268 samsung,invert-vclk;
269 };
271 &hdmi {
272 status = "okay";
273 hpd-gpios = <&gpx3 7 GPIO_ACTIVE_HIGH>;
274 pinctrl-names = "default";
275 pinctrl-0 = <&hdmi_hpd_irq>;
276 ddc = <&i2c_2>;
277 hdmi-en-supply = <&tps65090_fet7>;
278 vdd-supply = <&ldo8_reg>;
279 vdd_osc-supply = <&ldo10_reg>;
280 vdd_pll-supply = <&ldo8_reg>;
281 };
283 &hdmicec {
284 status = "okay";
285 };
287 &i2c_0 {
288 status = "okay";
289 samsung,i2c-sda-delay = <100>;
290 samsung,i2c-max-bus-freq = <378000>;
292 max77686: pmic@9 {
293 compatible = "maxim,max77686";
294 interrupt-parent = <&gpx3>;
295 interrupts = <2 IRQ_TYPE_NONE>;
296 pinctrl-names = "default";
297 pinctrl-0 = <&max77686_irq>;
298 wakeup-source;
299 reg = <0x09>;
300 #clock-cells = <1>;
302 voltage-regulators {
303 ldo1_reg: LDO1 {
304 regulator-name = "P1.0V_LDO_OUT1";
305 regulator-min-microvolt = <1000000>;
306 regulator-max-microvolt = <1000000>;
307 regulator-always-on;
308 };
310 ldo2_reg: LDO2 {
311 regulator-name = "P1.8V_LDO_OUT2";
312 regulator-min-microvolt = <1800000>;
313 regulator-max-microvolt = <1800000>;
314 regulator-always-on;
315 };
317 ldo3_reg: LDO3 {
318 regulator-name = "P1.8V_LDO_OUT3";
319 regulator-min-microvolt = <1800000>;
320 regulator-max-microvolt = <1800000>;
321 regulator-always-on;
322 };
324 ldo7_reg: LDO7 {
325 regulator-name = "P1.1V_LDO_OUT7";
326 regulator-min-microvolt = <1100000>;
327 regulator-max-microvolt = <1100000>;
328 regulator-always-on;
329 };
331 ldo8_reg: LDO8 {
332 regulator-name = "P1.0V_LDO_OUT8";
333 regulator-min-microvolt = <1000000>;
334 regulator-max-microvolt = <1000000>;
335 regulator-always-on;
336 };
338 ldo10_reg: LDO10 {
339 regulator-name = "P1.8V_LDO_OUT10";
340 regulator-min-microvolt = <1800000>;
341 regulator-max-microvolt = <1800000>;
342 regulator-always-on;
343 };
345 ldo12_reg: LDO12 {
346 regulator-name = "P3.0V_LDO_OUT12";
347 regulator-min-microvolt = <3000000>;
348 regulator-max-microvolt = <3000000>;
349 regulator-always-on;
350 };
352 ldo14_reg: LDO14 {
353 regulator-name = "P1.8V_LDO_OUT14";
354 regulator-min-microvolt = <1800000>;
355 regulator-max-microvolt = <1800000>;
356 regulator-always-on;
357 };
359 ldo15_reg: LDO15 {
360 regulator-name = "P1.0V_LDO_OUT15";
361 regulator-min-microvolt = <1000000>;
362 regulator-max-microvolt = <1000000>;
363 regulator-always-on;
364 };
366 ldo16_reg: LDO16 {
367 regulator-name = "P1.8V_LDO_OUT16";
368 regulator-min-microvolt = <1800000>;
369 regulator-max-microvolt = <1800000>;
370 regulator-always-on;
371 };
373 buck1_reg: BUCK1 {
374 regulator-name = "vdd_mif";
375 regulator-min-microvolt = <950000>;
376 regulator-max-microvolt = <1300000>;
377 regulator-always-on;
378 regulator-boot-on;
379 };
381 buck2_reg: BUCK2 {
382 regulator-name = "vdd_arm";
383 regulator-min-microvolt = <850000>;
384 regulator-max-microvolt = <1350000>;
385 regulator-always-on;
386 regulator-boot-on;
387 };
389 buck3_reg: BUCK3 {
390 regulator-name = "vdd_int";
391 regulator-min-microvolt = <900000>;
392 regulator-max-microvolt = <1200000>;
393 regulator-always-on;
394 regulator-boot-on;
395 };
397 buck4_reg: BUCK4 {
398 regulator-name = "vdd_g3d";
399 regulator-min-microvolt = <850000>;
400 regulator-max-microvolt = <1300000>;
401 regulator-always-on;
402 regulator-boot-on;
403 };
405 buck5_reg: BUCK5 {
406 regulator-name = "P1.8V_BUCK_OUT5";
407 regulator-min-microvolt = <1800000>;
408 regulator-max-microvolt = <1800000>;
409 regulator-always-on;
410 regulator-boot-on;
411 };
413 buck6_reg: BUCK6 {
414 regulator-name = "P1.35V_BUCK_OUT6";
415 regulator-min-microvolt = <1350000>;
416 regulator-max-microvolt = <1350000>;
417 regulator-always-on;
418 };
420 buck7_reg: BUCK7 {
421 regulator-name = "P2.0V_BUCK_OUT7";
422 regulator-min-microvolt = <2000000>;
423 regulator-max-microvolt = <2000000>;
424 regulator-always-on;
425 };
427 buck8_reg: BUCK8 {
428 regulator-name = "P2.85V_BUCK_OUT8";
429 regulator-min-microvolt = <2850000>;
430 regulator-max-microvolt = <2850000>;
431 regulator-always-on;
432 };
433 };
434 };
435 };
437 &i2c_1 {
438 status = "okay";
439 samsung,i2c-sda-delay = <100>;
440 samsung,i2c-max-bus-freq = <378000>;
442 trackpad@67 {
443 reg = <0x67>;
444 compatible = "cypress,cyapa";
445 interrupts = <2 IRQ_TYPE_NONE>;
446 interrupt-parent = <&gpx1>;
447 wakeup-source;
448 };
449 };
451 /*
452 * Disabled pullups since external part has its own pullups and
453 * double-pulling gets us out of spec in some cases.
454 */
455 &i2c2_bus {
456 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
457 };
459 &i2c_2 {
460 status = "okay";
461 /* used by HDMI DDC */
462 samsung,i2c-sda-delay = <100>;
463 samsung,i2c-max-bus-freq = <66000>;
464 };
466 &i2c_3 {
467 status = "okay";
468 samsung,i2c-sda-delay = <100>;
469 samsung,i2c-max-bus-freq = <66000>;
470 };
472 &i2c_4 {
473 status = "okay";
474 samsung,i2c-sda-delay = <100>;
475 samsung,i2c-max-bus-freq = <66000>;
476 };
478 &i2c_5 {
479 status = "okay";
480 samsung,i2c-sda-delay = <100>;
481 samsung,i2c-max-bus-freq = <66000>;
482 };
484 &i2c_7 {
485 status = "okay";
486 samsung,i2c-sda-delay = <100>;
487 samsung,i2c-max-bus-freq = <66000>;
489 ptn3460: lvds-bridge@20 {
490 compatible = "nxp,ptn3460";
491 reg = <0x20>;
492 powerdown-gpios = <&gpy2 5 GPIO_ACTIVE_HIGH>;
493 reset-gpios = <&gpx1 5 GPIO_ACTIVE_HIGH>;
494 edid-emulation = <5>;
496 ports {
497 #address-cells = <1>;
498 #size-cells = <0>;
500 port@0 {
501 reg = <0>;
503 bridge_out: endpoint {
504 remote-endpoint = <&panel_in>;
505 };
506 };
508 port@1 {
509 reg = <1>;
511 bridge_in: endpoint {
512 remote-endpoint = <&dp_out>;
513 };
514 };
515 };
516 };
517 };
519 &i2c_8 {
520 status = "okay";
521 /* used by HDMI PHY */
522 samsung,i2c-sda-delay = <100>;
523 samsung,i2c-max-bus-freq = <378000>;
524 };
526 &i2s0 {
527 assigned-clocks = <&i2s0 CLK_I2S_RCLK_SRC>;
528 assigned-clock-parents = <&clock_audss EXYNOS_I2S_BUS>;
529 status = "okay";
530 };
532 &mali {
533 mali-supply = <&buck4_reg>;
534 status = "okay";
535 };
537 &mixer {
538 status = "okay";
539 };
541 /* eMMC flash */
542 &mmc_0 {
543 status = "okay";
544 non-removable;
545 samsung,dw-mshc-ciu-div = <3>;
546 samsung,dw-mshc-sdr-timing = <2 3>;
547 samsung,dw-mshc-ddr-timing = <1 2>;
548 pinctrl-names = "default";
549 pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_cd &sd0_bus4 &sd0_bus8>;
550 bus-width = <8>;
551 cap-mmc-highspeed;
552 };
554 /* uSD card */
555 &mmc_2 {
556 status = "okay";
557 card-detect-delay = <200>;
558 samsung,dw-mshc-ciu-div = <3>;
559 samsung,dw-mshc-sdr-timing = <2 3>;
560 samsung,dw-mshc-ddr-timing = <1 2>;
561 pinctrl-names = "default";
562 pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus4>;
563 bus-width = <4>;
564 wp-gpios = <&gpc2 1 GPIO_ACTIVE_HIGH>;
565 cap-sd-highspeed;
566 };
568 /*
569 * On Snow we've got SIP WiFi and so can keep drive strengths low to
570 * reduce EMI.
571 *
572 * WiFi SDIO module
573 */
574 &mmc_3 {
575 status = "okay";
576 non-removable;
577 cap-sdio-irq;
578 keep-power-in-suspend;
579 samsung,dw-mshc-ciu-div = <3>;
580 samsung,dw-mshc-sdr-timing = <2 3>;
581 samsung,dw-mshc-ddr-timing = <1 2>;
582 pinctrl-names = "default";
583 pinctrl-0 = <&sd3_clk &sd3_cmd &sd3_bus4 &wifi_en &wifi_rst>;
584 bus-width = <4>;
585 cap-sd-highspeed;
586 mmc-pwrseq = <&mmc3_pwrseq>;
587 };
589 &pinctrl_0 {
590 wifi_en: wifi-en {
591 samsung,pins = "gpx0-1";
592 samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
593 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
594 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
595 };
597 wifi_rst: wifi-rst {
598 samsung,pins = "gpx0-2";
599 samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
600 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
601 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
602 };
604 power_key_irq: power-key-irq {
605 samsung,pins = "gpx1-3";
606 samsung,pin-function = <EXYNOS_PIN_FUNC_F>;
607 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
608 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
609 };
611 ec_irq: ec-irq {
612 samsung,pins = "gpx1-6";
613 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
614 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
615 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
616 };
618 tps65090_irq: tps65090-irq {
619 samsung,pins = "gpx2-6";
620 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
621 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
622 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
623 };
625 usb3_vbus_en: usb3-vbus-en {
626 samsung,pins = "gpx2-7";
627 samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
628 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
629 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
630 };
632 max77686_irq: max77686-irq {
633 samsung,pins = "gpx3-2";
634 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
635 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
636 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
637 };
639 lid_irq: lid-irq {
640 samsung,pins = "gpx3-5";
641 samsung,pin-function = <EXYNOS_PIN_FUNC_F>;
642 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
643 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
644 };
646 hdmi_hpd_irq: hdmi-hpd-irq {
647 samsung,pins = "gpx3-7";
648 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
649 samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
650 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
651 };
652 };
654 &pinctrl_1 {
655 arb_their_claim: arb-their-claim {
656 samsung,pins = "gpe0-4";
657 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
658 samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
659 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
660 };
662 arb_our_claim: arb-our-claim {
663 samsung,pins = "gpf0-3";
664 samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
665 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
666 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
667 };
668 };
670 &pmu_system_controller {
671 assigned-clocks = <&pmu_system_controller 0>;
672 assigned-clock-parents = <&clock CLK_FIN_PLL>;
673 };
675 &rtc {
676 status = "okay";
677 clocks = <&clock CLK_RTC>, <&max77686 MAX77686_CLK_AP>;
678 clock-names = "rtc", "rtc_src";
679 };
681 &sd3_bus4 {
682 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
683 };
685 &sd3_clk {
686 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
687 };
689 &sd3_cmd {
690 samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
691 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
692 };
694 &spi_1 {
695 status = "okay";
696 samsung,spi-src-clk = <0>;
697 num-cs = <1>;
698 cs-gpios = <&gpa2 5 GPIO_ACTIVE_HIGH>;
699 };
701 &usbdrd_dwc3 {
702 dr_mode = "host";
703 };
705 &usbdrd_phy {
706 vbus-supply = <&usb3_vbus_reg>;
707 };
709 #include "cros-ec-keyboard.dtsi"