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1/*
2 * Google Spring board device tree source
3 *
4 * Copyright (c) 2013 Google, Inc
5 * Copyright (c) 2014 SUSE LINUX Products GmbH
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 */
11
12/dts-v1/;
13#include <dt-bindings/gpio/gpio.h>
14#include <dt-bindings/interrupt-controller/irq.h>
15#include <dt-bindings/input/input.h>
16#include "exynos5250.dtsi"
17#include "exynos-mfc-reserved-memory.dtsi"
18
19/ {
20 model = "Google Spring";
21 compatible = "google,spring", "samsung,exynos5250", "samsung,exynos5";
22
23 memory@40000000 {
24 device_type = "memory";
25 reg = <0x40000000 0x80000000>;
26 };
27
28 chosen {
29 bootargs = "console=tty1";
30 stdout-path = "serial3:115200n8";
31 };
32
33 gpio-keys {
34 compatible = "gpio-keys";
35 pinctrl-names = "default";
36 pinctrl-0 = <&power_key_irq>, <&lid_irq>;
37
38 power {
39 label = "Power";
40 gpios = <&gpx1 3 GPIO_ACTIVE_LOW>;
41 linux,code = <KEY_POWER>;
42 wakeup-source;
43 };
44
45 lid-switch {
46 label = "Lid";
47 gpios = <&gpx3 5 GPIO_ACTIVE_LOW>;
48 linux,input-type = <5>; /* EV_SW */
49 linux,code = <0>; /* SW_LID */
50 debounce-interval = <1>;
51 wakeup-source;
52 };
53 };
54
55 usb-hub {
56 compatible = "smsc,usb3503a";
57 reset-gpios = <&gpe1 0 GPIO_ACTIVE_LOW>;
58 pinctrl-names = "default";
59 pinctrl-0 = <&hsic_reset>;
60 };
61
62 fixed-rate-clocks {
63 xxti {
64 compatible = "samsung,clock-xxti";
65 clock-frequency = <24000000>;
66 };
67 };
68};
69
70&cpu0 {
71 cpu0-supply = <&buck2_reg>;
72};
73
74&dp {
75 status = "okay";
76 pinctrl-names = "default";
77 pinctrl-0 = <&dp_hpd_gpio>;
78 samsung,color-space = <0>;
79 samsung,color-depth = <1>;
80 samsung,link-rate = <0x0a>;
81 samsung,lane-count = <1>;
82 hpd-gpios = <&gpc3 0 GPIO_ACTIVE_HIGH>;
83};
84
85&ehci {
86 samsung,vbus-gpio = <&gpx1 1 GPIO_ACTIVE_HIGH>;
87};
88
89&fimd {
90 status = "okay";
91 samsung,invert-vclk;
92};
93
94&hdmi {
95 hpd-gpios = <&gpx3 7 GPIO_ACTIVE_HIGH>;
96 pinctrl-names = "default";
97 pinctrl-0 = <&hdmi_hpd_irq>;
98 phy = <&hdmiphy>;
99 ddc = <&i2c_2>;
100 hdmi-en-supply = <&ldo8_reg>;
101 vdd-supply = <&ldo8_reg>;
102 vdd_osc-supply = <&ldo10_reg>;
103 vdd_pll-supply = <&ldo8_reg>;
104};
105
106&i2c_0 {
107 status = "okay";
108 samsung,i2c-sda-delay = <100>;
109 samsung,i2c-max-bus-freq = <378000>;
110
111 s5m8767-pmic@66 {
112 compatible = "samsung,s5m8767-pmic";
113 reg = <0x66>;
114 interrupt-parent = <&gpx3>;
115 interrupts = <2 IRQ_TYPE_NONE>;
116 pinctrl-names = "default";
117 pinctrl-0 = <&s5m8767_irq &s5m8767_dvs &s5m8767_ds>;
118 wakeup-source;
119
120 s5m8767,pmic-buck-dvs-gpios = <&gpd1 0 GPIO_ACTIVE_LOW>, /* DVS1 */
121 <&gpd1 1 GPIO_ACTIVE_LOW>, /* DVS2 */
122 <&gpd1 2 GPIO_ACTIVE_LOW>; /* DVS3 */
123
124 s5m8767,pmic-buck-ds-gpios = <&gpx2 3 GPIO_ACTIVE_LOW>, /* SET1 */
125 <&gpx2 4 GPIO_ACTIVE_LOW>, /* SET2 */
126 <&gpx2 5 GPIO_ACTIVE_LOW>; /* SET3 */
127
128 /*
129 * The following arrays of DVS voltages are not used, since we are
130 * not using GPIOs to control PMIC bucks, but they must be defined
131 * to please the driver.
132 */
133 s5m8767,pmic-buck2-dvs-voltage = <1350000>, <1300000>,
134 <1250000>, <1200000>,
135 <1150000>, <1100000>,
136 <1000000>, <950000>;
137
138 s5m8767,pmic-buck3-dvs-voltage = <1100000>, <1100000>,
139 <1100000>, <1100000>,
140 <1000000>, <1000000>,
141 <1000000>, <1000000>;
142
143 s5m8767,pmic-buck4-dvs-voltage = <1200000>, <1200000>,
144 <1200000>, <1200000>,
145 <1200000>, <1200000>,
146 <1200000>, <1200000>;
147
148 clocks {
149 compatible = "samsung,s5m8767-clk";
150 #clock-cells = <1>;
151 clock-output-names = "en32khz_ap",
152 "en32khz_cp",
153 "en32khz_bt";
154 };
155
156 regulators {
157 ldo4_reg: LDO4 {
158 regulator-name = "P1.0V_LDO_OUT4";
159 regulator-min-microvolt = <1000000>;
160 regulator-max-microvolt = <1000000>;
161 regulator-always-on;
162 op_mode = <0>;
163 };
164
165 ldo5_reg: LDO5 {
166 regulator-name = "P1.0V_LDO_OUT5";
167 regulator-min-microvolt = <1000000>;
168 regulator-max-microvolt = <1000000>;
169 regulator-always-on;
170 op_mode = <0>;
171 };
172
173 ldo6_reg: LDO6 {
174 regulator-name = "vdd_mydp";
175 regulator-min-microvolt = <1000000>;
176 regulator-max-microvolt = <1000000>;
177 regulator-always-on;
178 op_mode = <3>;
179 };
180
181 ldo7_reg: LDO7 {
182 regulator-name = "P1.1V_LDO_OUT7";
183 regulator-min-microvolt = <1100000>;
184 regulator-max-microvolt = <1100000>;
185 regulator-always-on;
186 op_mode = <3>;
187 };
188
189 ldo8_reg: LDO8 {
190 regulator-name = "P1.0V_LDO_OUT8";
191 regulator-min-microvolt = <1000000>;
192 regulator-max-microvolt = <1000000>;
193 regulator-always-on;
194 op_mode = <3>;
195 };
196
197 ldo10_reg: LDO10 {
198 regulator-name = "P1.8V_LDO_OUT10";
199 regulator-min-microvolt = <1800000>;
200 regulator-max-microvolt = <1800000>;
201 regulator-always-on;
202 op_mode = <3>;
203 };
204
205 ldo11_reg: LDO11 {
206 regulator-name = "P1.8V_LDO_OUT11";
207 regulator-min-microvolt = <1800000>;
208 regulator-max-microvolt = <1800000>;
209 regulator-always-on;
210 op_mode = <0>;
211 };
212
213 ldo12_reg: LDO12 {
214 regulator-name = "P3.0V_LDO_OUT12";
215 regulator-min-microvolt = <3000000>;
216 regulator-max-microvolt = <3000000>;
217 regulator-always-on;
218 op_mode = <3>;
219 };
220
221 ldo13_reg: LDO13 {
222 regulator-name = "P1.8V_LDO_OUT13";
223 regulator-min-microvolt = <1800000>;
224 regulator-max-microvolt = <1800000>;
225 regulator-always-on;
226 op_mode = <0>;
227 };
228
229 ldo14_reg: LDO14 {
230 regulator-name = "P1.8V_LDO_OUT14";
231 regulator-min-microvolt = <1800000>;
232 regulator-max-microvolt = <1800000>;
233 regulator-always-on;
234 op_mode = <3>;
235 };
236
237 ldo15_reg: LDO15 {
238 regulator-name = "P1.0V_LDO_OUT15";
239 regulator-min-microvolt = <1000000>;
240 regulator-max-microvolt = <1000000>;
241 regulator-always-on;
242 op_mode = <3>;
243 };
244
245 ldo16_reg: LDO16 {
246 regulator-name = "P1.8V_LDO_OUT16";
247 regulator-min-microvolt = <1800000>;
248 regulator-max-microvolt = <1800000>;
249 regulator-always-on;
250 op_mode = <3>;
251 };
252
253 ldo17_reg: LDO17 {
254 regulator-name = "P2.8V_LDO_OUT17";
255 regulator-min-microvolt = <2800000>;
256 regulator-max-microvolt = <2800000>;
257 regulator-always-on;
258 op_mode = <0>;
259 };
260
261 ldo25_reg: LDO25 {
262 regulator-name = "vdd_bridge";
263 regulator-min-microvolt = <1200000>;
264 regulator-max-microvolt = <1200000>;
265 regulator-always-on;
266 op_mode = <1>;
267 };
268
269 buck1_reg: BUCK1 {
270 regulator-name = "vdd_mif";
271 regulator-min-microvolt = <950000>;
272 regulator-max-microvolt = <1300000>;
273 regulator-always-on;
274 regulator-boot-on;
275 op_mode = <3>;
276 };
277
278 buck2_reg: BUCK2 {
279 regulator-name = "vdd_arm";
280 regulator-min-microvolt = <850000>;
281 regulator-max-microvolt = <1350000>;
282 regulator-always-on;
283 regulator-boot-on;
284 op_mode = <3>;
285 };
286
287 buck3_reg: BUCK3 {
288 regulator-name = "vdd_int";
289 regulator-min-microvolt = <900000>;
290 regulator-max-microvolt = <1200000>;
291 regulator-always-on;
292 regulator-boot-on;
293 op_mode = <3>;
294 };
295
296 buck4_reg: BUCK4 {
297 regulator-name = "vdd_g3d";
298 regulator-min-microvolt = <850000>;
299 regulator-max-microvolt = <1300000>;
300 regulator-boot-on;
301 op_mode = <3>;
302 };
303
304 buck5_reg: BUCK5 {
305 regulator-name = "P1.8V_BUCK_OUT5";
306 regulator-min-microvolt = <1800000>;
307 regulator-max-microvolt = <1800000>;
308 regulator-always-on;
309 regulator-boot-on;
310 op_mode = <1>;
311 };
312
313 buck6_reg: BUCK6 {
314 regulator-name = "P1.2V_BUCK_OUT6";
315 regulator-min-microvolt = <1200000>;
316 regulator-max-microvolt = <1200000>;
317 regulator-always-on;
318 regulator-boot-on;
319 op_mode = <0>;
320 };
321
322 buck9_reg: BUCK9 {
323 regulator-name = "vdd_ummc";
324 regulator-min-microvolt = <950000>;
325 regulator-max-microvolt = <3000000>;
326 regulator-always-on;
327 regulator-boot-on;
328 op_mode = <3>;
329 };
330 };
331 };
332};
333
334&i2c_1 {
335 status = "okay";
336 samsung,i2c-sda-delay = <100>;
337 samsung,i2c-max-bus-freq = <378000>;
338
339 trackpad@4b {
340 compatible = "atmel,maxtouch";
341 reg = <0x4b>;
342 interrupt-parent = <&gpx1>;
343 interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
344 pinctrl-names = "default";
345 pinctrl-0 = <&trackpad_irq>;
346 linux,gpio-keymap = <KEY_RESERVED
347 KEY_RESERVED
348 KEY_RESERVED
349 KEY_RESERVED
350 KEY_RESERVED
351 BTN_LEFT>;
352 wakeup-source;
353 };
354};
355
356/*
357 * Disabled pullups since external part has its own pullups and
358 * double-pulling gets us out of spec in some cases.
359 */
360&i2c2_bus {
361 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
362};
363
364&i2c_2 {
365 status = "okay";
366 samsung,i2c-sda-delay = <100>;
367 samsung,i2c-max-bus-freq = <66000>;
368
369 hdmiddc@50 {
370 compatible = "samsung,exynos4210-hdmiddc";
371 reg = <0x50>;
372 };
373};
374
375&i2c_3 {
376 status = "okay";
377 samsung,i2c-sda-delay = <100>;
378 samsung,i2c-max-bus-freq = <66000>;
379};
380
381&i2c_4 {
382 status = "okay";
383 samsung,i2c-sda-delay = <100>;
384 samsung,i2c-max-bus-freq = <66000>;
385
386 cros_ec: embedded-controller@1e {
387 compatible = "google,cros-ec-i2c";
388 reg = <0x1e>;
389 interrupts = <6 IRQ_TYPE_NONE>;
390 interrupt-parent = <&gpx1>;
391 wakeup-source;
392 pinctrl-names = "default";
393 pinctrl-0 = <&ec_irq>;
394 };
395};
396
397&i2c_5 {
398 status = "okay";
399 samsung,i2c-sda-delay = <100>;
400 samsung,i2c-max-bus-freq = <66000>;
401};
402
403&i2c_7 {
404 status = "okay";
405 samsung,i2c-sda-delay = <100>;
406 samsung,i2c-max-bus-freq = <66000>;
407
408 temperature-sensor@4c {
409 compatible = "gmt,g781";
410 reg = <0x4c>;
411 };
412};
413
414&i2c_8 {
415 status = "okay";
416 samsung,i2c-sda-delay = <100>;
417 samsung,i2c-max-bus-freq = <378000>;
418
419 hdmiphy: hdmiphy@38 {
420 compatible = "samsung,exynos4212-hdmiphy";
421 reg = <0x38>;
422 };
423};
424
425&i2s0 {
426 status = "okay";
427};
428
429&mmc_0 {
430 status = "okay";
431 num-slots = <1>;
432 broken-cd;
433 card-detect-delay = <200>;
434 samsung,dw-mshc-ciu-div = <3>;
435 samsung,dw-mshc-sdr-timing = <2 3>;
436 samsung,dw-mshc-ddr-timing = <1 2>;
437 pinctrl-names = "default";
438 pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_cd &sd0_bus4 &sd0_bus8>;
439 bus-width = <8>;
440 cap-mmc-highspeed;
441};
442
443/*
444 * On Spring we've got SIP WiFi and so can keep drive strengths low to
445 * reduce EMI.
446 */
447&mmc_1 {
448 status = "okay";
449 num-slots = <1>;
450 broken-cd;
451 card-detect-delay = <200>;
452 samsung,dw-mshc-ciu-div = <3>;
453 samsung,dw-mshc-sdr-timing = <2 3>;
454 samsung,dw-mshc-ddr-timing = <1 2>;
455 pinctrl-names = "default";
456 pinctrl-0 = <&sd1_clk &sd1_cmd &sd1_cd &sd1_bus4>;
457 bus-width = <4>;
458 cap-sd-highspeed;
459};
460
461&pinctrl_0 {
462 s5m8767_dvs: s5m8767-dvs {
463 samsung,pins = "gpd1-0", "gpd1-1", "gpd1-2";
464 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
465 samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
466 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
467 };
468
469 dp_hpd_gpio: dp-hpd-gpio {
470 samsung,pins = "gpc3-0";
471 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
472 samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
473 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
474 };
475
476 trackpad_irq: trackpad-irq {
477 samsung,pins = "gpx1-2";
478 samsung,pin-function = <EXYNOS_PIN_FUNC_F>;
479 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
480 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
481 };
482
483 power_key_irq: power-key-irq {
484 samsung,pins = "gpx1-3";
485 samsung,pin-function = <EXYNOS_PIN_FUNC_F>;
486 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
487 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
488 };
489
490 ec_irq: ec-irq {
491 samsung,pins = "gpx1-6";
492 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
493 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
494 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
495 };
496
497 s5m8767_ds: s5m8767-ds {
498 samsung,pins = "gpx2-3", "gpx2-4", "gpx2-5";
499 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
500 samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
501 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
502 };
503
504 s5m8767_irq: s5m8767-irq {
505 samsung,pins = "gpx3-2";
506 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
507 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
508 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
509 };
510
511 lid_irq: lid-irq {
512 samsung,pins = "gpx3-5";
513 samsung,pin-function = <EXYNOS_PIN_FUNC_F>;
514 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
515 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
516 };
517
518 hdmi_hpd_irq: hdmi-hpd-irq {
519 samsung,pins = "gpx3-7";
520 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
521 samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
522 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
523 };
524};
525
526&pinctrl_1 {
527 hsic_reset: hsic-reset {
528 samsung,pins = "gpe1-0";
529 samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
530 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
531 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
532 };
533};
534
535&sd1_bus4 {
536 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
537};
538
539&sd1_cd {
540 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
541};
542
543&sd1_clk {
544 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
545};
546
547&sd1_cmd {
548 samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
549 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
550};
551
552&spi_1 {
553 status = "okay";
554 samsung,spi-src-clk = <0>;
555 num-cs = <1>;
556};
557
558#include "cros-ec-keyboard.dtsi"