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 {
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"
562