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1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Google Spring board device tree source
4 *
5 * Copyright (c) 2013 Google, Inc
6 * Copyright (c) 2014 SUSE LINUX Products GmbH
7 */
8
9/dts-v1/;
10#include <dt-bindings/clock/samsung,s2mps11.h>
11#include <dt-bindings/gpio/gpio.h>
12#include <dt-bindings/interrupt-controller/irq.h>
13#include <dt-bindings/input/input.h>
14#include "exynos5250.dtsi"
15
16/ {
17 model = "Google Spring";
18 compatible = "google,spring", "samsung,exynos5250", "samsung,exynos5";
19 chassis-type = "laptop";
20
21 memory@40000000 {
22 device_type = "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-key {
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 usb-hub {
54 compatible = "smsc,usb3503a";
55 reset-gpios = <&gpe1 0 GPIO_ACTIVE_LOW>;
56 pinctrl-names = "default";
57 pinctrl-0 = <&hsic_reset>;
58 };
59
60 fixed-rate-clocks {
61 xxti {
62 compatible = "samsung,clock-xxti";
63 clock-frequency = <24000000>;
64 };
65 };
66};
67
68&cpu0 {
69 cpu0-supply = <&buck2_reg>;
70};
71
72&dp {
73 status = "okay";
74 pinctrl-names = "default";
75 pinctrl-0 = <&dp_hpd_gpio>;
76 samsung,color-space = <0>;
77 samsung,color-depth = <1>;
78 samsung,link-rate = <0x0a>;
79 samsung,lane-count = <1>;
80 hpd-gpios = <&gpc3 0 GPIO_ACTIVE_HIGH>;
81};
82
83&ehci {
84 samsung,vbus-gpio = <&gpx1 1 GPIO_ACTIVE_HIGH>;
85};
86
87&fimd {
88 status = "okay";
89 samsung,invert-vclk;
90};
91
92&hdmi {
93 status = "okay";
94 hpd-gpios = <&gpx3 7 GPIO_ACTIVE_HIGH>;
95 pinctrl-names = "default";
96 pinctrl-0 = <&hdmi_hpd_irq>;
97 ddc = <&i2c_2>;
98 hdmi-en-supply = <&ldo8_reg>;
99 vdd-supply = <&ldo8_reg>;
100 vdd_osc-supply = <&ldo10_reg>;
101 vdd_pll-supply = <&ldo8_reg>;
102};
103
104&i2c_0 {
105 status = "okay";
106 samsung,i2c-sda-delay = <100>;
107 samsung,i2c-max-bus-freq = <378000>;
108
109 pmic@66 {
110 compatible = "samsung,s5m8767-pmic";
111 reg = <0x66>;
112 interrupt-parent = <&gpx3>;
113 interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
114 pinctrl-names = "default";
115 pinctrl-0 = <&s5m8767_irq &s5m8767_dvs &s5m8767_ds>;
116 wakeup-source;
117
118 s5m8767,pmic-buck-dvs-gpios = <&gpd1 0 GPIO_ACTIVE_LOW>, /* DVS1 */
119 <&gpd1 1 GPIO_ACTIVE_LOW>, /* DVS2 */
120 <&gpd1 2 GPIO_ACTIVE_LOW>; /* DVS3 */
121
122 s5m8767,pmic-buck-ds-gpios = <&gpx2 3 GPIO_ACTIVE_LOW>, /* SET1 */
123 <&gpx2 4 GPIO_ACTIVE_LOW>, /* SET2 */
124 <&gpx2 5 GPIO_ACTIVE_LOW>; /* SET3 */
125
126 /*
127 * The following arrays of DVS voltages are not used, since we are
128 * not using GPIOs to control PMIC bucks, but they must be defined
129 * to please the driver.
130 */
131 s5m8767,pmic-buck2-dvs-voltage = <1350000>, <1300000>,
132 <1250000>, <1200000>,
133 <1150000>, <1100000>,
134 <1000000>, <950000>;
135
136 s5m8767,pmic-buck3-dvs-voltage = <1100000>, <1100000>,
137 <1100000>, <1100000>,
138 <1000000>, <1000000>,
139 <1000000>, <1000000>;
140
141 s5m8767,pmic-buck4-dvs-voltage = <1200000>, <1200000>,
142 <1200000>, <1200000>,
143 <1200000>, <1200000>,
144 <1200000>, <1200000>;
145
146 s5m8767_osc: clocks {
147 compatible = "samsung,s5m8767-clk";
148 #clock-cells = <1>;
149 clock-output-names = "en32khz_ap",
150 "en32khz_cp",
151 "en32khz_bt";
152 };
153
154 regulators {
155 ldo4_reg: LDO4 {
156 regulator-name = "P1.0V_LDO_OUT4";
157 regulator-min-microvolt = <1000000>;
158 regulator-max-microvolt = <1000000>;
159 regulator-always-on;
160 op_mode = <0>;
161 };
162
163 ldo5_reg: LDO5 {
164 regulator-name = "P1.0V_LDO_OUT5";
165 regulator-min-microvolt = <1000000>;
166 regulator-max-microvolt = <1000000>;
167 regulator-always-on;
168 op_mode = <0>;
169 };
170
171 ldo6_reg: LDO6 {
172 regulator-name = "vdd_mydp";
173 regulator-min-microvolt = <1000000>;
174 regulator-max-microvolt = <1000000>;
175 regulator-always-on;
176 op_mode = <3>;
177 };
178
179 ldo7_reg: LDO7 {
180 regulator-name = "P1.1V_LDO_OUT7";
181 regulator-min-microvolt = <1100000>;
182 regulator-max-microvolt = <1100000>;
183 regulator-always-on;
184 op_mode = <3>;
185 };
186
187 ldo8_reg: LDO8 {
188 regulator-name = "P1.0V_LDO_OUT8";
189 regulator-min-microvolt = <1000000>;
190 regulator-max-microvolt = <1000000>;
191 regulator-always-on;
192 op_mode = <3>;
193 };
194
195 ldo10_reg: LDO10 {
196 regulator-name = "P1.8V_LDO_OUT10";
197 regulator-min-microvolt = <1800000>;
198 regulator-max-microvolt = <1800000>;
199 regulator-always-on;
200 op_mode = <3>;
201 };
202
203 ldo11_reg: LDO11 {
204 regulator-name = "P1.8V_LDO_OUT11";
205 regulator-min-microvolt = <1800000>;
206 regulator-max-microvolt = <1800000>;
207 regulator-always-on;
208 op_mode = <0>;
209 };
210
211 ldo12_reg: LDO12 {
212 regulator-name = "P3.0V_LDO_OUT12";
213 regulator-min-microvolt = <3000000>;
214 regulator-max-microvolt = <3000000>;
215 regulator-always-on;
216 op_mode = <3>;
217 };
218
219 ldo13_reg: LDO13 {
220 regulator-name = "P1.8V_LDO_OUT13";
221 regulator-min-microvolt = <1800000>;
222 regulator-max-microvolt = <1800000>;
223 regulator-always-on;
224 op_mode = <0>;
225 };
226
227 ldo14_reg: LDO14 {
228 regulator-name = "P1.8V_LDO_OUT14";
229 regulator-min-microvolt = <1800000>;
230 regulator-max-microvolt = <1800000>;
231 regulator-always-on;
232 op_mode = <3>;
233 };
234
235 ldo15_reg: LDO15 {
236 regulator-name = "P1.0V_LDO_OUT15";
237 regulator-min-microvolt = <1000000>;
238 regulator-max-microvolt = <1000000>;
239 regulator-always-on;
240 op_mode = <3>;
241 };
242
243 ldo16_reg: LDO16 {
244 regulator-name = "P1.8V_LDO_OUT16";
245 regulator-min-microvolt = <1800000>;
246 regulator-max-microvolt = <1800000>;
247 regulator-always-on;
248 op_mode = <3>;
249 };
250
251 ldo17_reg: LDO17 {
252 regulator-name = "P2.8V_LDO_OUT17";
253 regulator-min-microvolt = <2800000>;
254 regulator-max-microvolt = <2800000>;
255 regulator-always-on;
256 op_mode = <0>;
257 };
258
259 ldo25_reg: LDO25 {
260 regulator-name = "vdd_bridge";
261 regulator-min-microvolt = <1200000>;
262 regulator-max-microvolt = <1200000>;
263 regulator-always-on;
264 op_mode = <1>;
265 };
266
267 buck1_reg: BUCK1 {
268 regulator-name = "vdd_mif";
269 regulator-min-microvolt = <950000>;
270 regulator-max-microvolt = <1300000>;
271 regulator-always-on;
272 regulator-boot-on;
273 op_mode = <3>;
274 };
275
276 buck2_reg: BUCK2 {
277 regulator-name = "vdd_arm";
278 regulator-min-microvolt = <850000>;
279 regulator-max-microvolt = <1350000>;
280 regulator-always-on;
281 regulator-boot-on;
282 op_mode = <3>;
283 };
284
285 buck3_reg: BUCK3 {
286 regulator-name = "vdd_int";
287 regulator-min-microvolt = <900000>;
288 regulator-max-microvolt = <1200000>;
289 regulator-always-on;
290 regulator-boot-on;
291 op_mode = <3>;
292 };
293
294 buck4_reg: BUCK4 {
295 regulator-name = "vdd_g3d";
296 regulator-min-microvolt = <850000>;
297 regulator-max-microvolt = <1300000>;
298 regulator-boot-on;
299 op_mode = <3>;
300 };
301
302 buck5_reg: BUCK5 {
303 regulator-name = "P1.8V_BUCK_OUT5";
304 regulator-min-microvolt = <1800000>;
305 regulator-max-microvolt = <1800000>;
306 regulator-always-on;
307 regulator-boot-on;
308 op_mode = <1>;
309 };
310
311 buck6_reg: BUCK6 {
312 regulator-name = "P1.2V_BUCK_OUT6";
313 regulator-min-microvolt = <1200000>;
314 regulator-max-microvolt = <1200000>;
315 regulator-always-on;
316 regulator-boot-on;
317 op_mode = <0>;
318 };
319
320 buck9_reg: BUCK9 {
321 regulator-name = "vdd_ummc";
322 regulator-min-microvolt = <950000>;
323 regulator-max-microvolt = <3000000>;
324 regulator-always-on;
325 regulator-boot-on;
326 op_mode = <3>;
327 };
328 };
329 };
330};
331
332&i2c_1 {
333 status = "okay";
334 samsung,i2c-sda-delay = <100>;
335 samsung,i2c-max-bus-freq = <378000>;
336
337 trackpad@4b {
338 compatible = "atmel,maxtouch";
339 reg = <0x4b>;
340 interrupt-parent = <&gpx1>;
341 interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
342 pinctrl-names = "default";
343 pinctrl-0 = <&trackpad_irq>;
344 linux,gpio-keymap = <KEY_RESERVED
345 KEY_RESERVED
346 KEY_RESERVED
347 KEY_RESERVED
348 KEY_RESERVED
349 BTN_LEFT>;
350 wakeup-source;
351 };
352};
353
354/*
355 * Disabled pullups since external part has its own pullups and
356 * double-pulling gets us out of spec in some cases.
357 */
358&i2c2_bus {
359 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
360};
361
362&i2c_2 {
363 status = "okay";
364 /* used by HDMI DDC */
365 samsung,i2c-sda-delay = <100>;
366 samsung,i2c-max-bus-freq = <66000>;
367};
368
369&i2c_3 {
370 status = "okay";
371 samsung,i2c-sda-delay = <100>;
372 samsung,i2c-max-bus-freq = <66000>;
373};
374
375&i2c_4 {
376 status = "okay";
377 samsung,i2c-sda-delay = <100>;
378 samsung,i2c-max-bus-freq = <66000>;
379
380 cros_ec: embedded-controller@1e {
381 compatible = "google,cros-ec-i2c";
382 reg = <0x1e>;
383 interrupts = <6 IRQ_TYPE_NONE>;
384 interrupt-parent = <&gpx1>;
385 wakeup-source;
386 pinctrl-names = "default";
387 pinctrl-0 = <&ec_irq>;
388 };
389};
390
391&i2c_5 {
392 status = "okay";
393 samsung,i2c-sda-delay = <100>;
394 samsung,i2c-max-bus-freq = <66000>;
395};
396
397&i2c_7 {
398 status = "okay";
399 samsung,i2c-sda-delay = <100>;
400 samsung,i2c-max-bus-freq = <66000>;
401
402 temperature-sensor@4c {
403 compatible = "gmt,g781";
404 reg = <0x4c>;
405 };
406};
407
408&i2c_8 {
409 status = "okay";
410 /* used by HDMI PHY */
411 samsung,i2c-sda-delay = <100>;
412 samsung,i2c-max-bus-freq = <378000>;
413};
414
415&i2s0 {
416 status = "okay";
417};
418
419&mixer {
420 status = "okay";
421};
422
423&mmc_0 {
424 status = "okay";
425 broken-cd;
426 card-detect-delay = <200>;
427 samsung,dw-mshc-ciu-div = <3>;
428 samsung,dw-mshc-sdr-timing = <2 3>;
429 samsung,dw-mshc-ddr-timing = <1 2>;
430 pinctrl-names = "default";
431 pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_cd &sd0_bus4 &sd0_bus8>;
432 bus-width = <8>;
433 cap-mmc-highspeed;
434};
435
436/*
437 * On Spring we've got SIP WiFi and so can keep drive strengths low to
438 * reduce EMI.
439 */
440&mmc_1 {
441 status = "okay";
442 broken-cd;
443 card-detect-delay = <200>;
444 samsung,dw-mshc-ciu-div = <3>;
445 samsung,dw-mshc-sdr-timing = <2 3>;
446 samsung,dw-mshc-ddr-timing = <1 2>;
447 pinctrl-names = "default";
448 pinctrl-0 = <&sd1_clk &sd1_cmd &sd1_cd &sd1_bus4>;
449 bus-width = <4>;
450 cap-sd-highspeed;
451};
452
453&pinctrl_0 {
454 s5m8767_dvs: s5m8767-dvs-pins {
455 samsung,pins = "gpd1-0", "gpd1-1", "gpd1-2";
456 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
457 samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
458 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
459 };
460
461 dp_hpd_gpio: dp-hpd-pins {
462 samsung,pins = "gpc3-0";
463 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
464 samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
465 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
466 };
467
468 trackpad_irq: trackpad-irq-pins {
469 samsung,pins = "gpx1-2";
470 samsung,pin-function = <EXYNOS_PIN_FUNC_F>;
471 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
472 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
473 };
474
475 power_key_irq: power-key-irq-pins {
476 samsung,pins = "gpx1-3";
477 samsung,pin-function = <EXYNOS_PIN_FUNC_F>;
478 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
479 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
480 };
481
482 ec_irq: ec-irq-pins {
483 samsung,pins = "gpx1-6";
484 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
485 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
486 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
487 };
488
489 s5m8767_ds: s5m8767-ds-pins {
490 samsung,pins = "gpx2-3", "gpx2-4", "gpx2-5";
491 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
492 samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
493 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
494 };
495
496 s5m8767_irq: s5m8767-irq-pins {
497 samsung,pins = "gpx3-2";
498 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
499 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
500 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
501 };
502
503 lid_irq: lid-irq-pins {
504 samsung,pins = "gpx3-5";
505 samsung,pin-function = <EXYNOS_PIN_FUNC_F>;
506 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
507 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
508 };
509
510 hdmi_hpd_irq: hdmi-hpd-irq-pins {
511 samsung,pins = "gpx3-7";
512 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
513 samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
514 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
515 };
516};
517
518&pinctrl_1 {
519 hsic_reset: hsic-reset-pins {
520 samsung,pins = "gpe1-0";
521 samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
522 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
523 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
524 };
525};
526
527&rtc {
528 status = "okay";
529 clocks = <&clock CLK_RTC>, <&s5m8767_osc S2MPS11_CLK_AP>;
530 clock-names = "rtc", "rtc_src";
531};
532
533&sd1_bus4 {
534 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
535};
536
537&sd1_cd {
538 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
539};
540
541&sd1_clk {
542 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
543};
544
545&sd1_cmd {
546 samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
547 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
548};
549
550&spi_1 {
551 status = "okay";
552 samsung,spi-src-clk = <0>;
553 num-cs = <1>;
554};
555
556&usbdrd {
557 vdd10-supply = <&ldo15_reg>;
558 vdd33-supply = <&ldo12_reg>;
559};
560
561#include "cros-ec-keyboard.dtsi"