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	aliases {
27		mmc0 = &mmc_0;
28		mmc1 = &mmc_1;
29	};
30
31	chosen {
32		bootargs = "console=tty1";
33		stdout-path = "serial3:115200n8";
34	};
35
36	gpio-keys {
37		compatible = "gpio-keys";
38		pinctrl-names = "default";
39		pinctrl-0 = <&power_key_irq>, <&lid_irq>;
40
41		power-key {
42			label = "Power";
43			gpios = <&gpx1 3 GPIO_ACTIVE_LOW>;
44			linux,code = <KEY_POWER>;
45			wakeup-source;
46		};
47
48		lid-switch {
49			label = "Lid";
50			gpios = <&gpx3 5 GPIO_ACTIVE_LOW>;
51			linux,input-type = <5>; /* EV_SW */
52			linux,code = <0>; /* SW_LID */
53			debounce-interval = <1>;
54			wakeup-source;
55		};
56	};
57
58	usb-hub {
59		compatible = "smsc,usb3503a";
60		reset-gpios = <&gpe1 0 GPIO_ACTIVE_LOW>;
61		pinctrl-names = "default";
62		pinctrl-0 = <&hsic_reset>;
63	};
64
65	fixed-rate-clocks {
66		xxti {
67			compatible = "samsung,clock-xxti";
68			clock-frequency = <24000000>;
69		};
70	};
71};
72
73&cpu0 {
74	cpu0-supply = <&buck2_reg>;
75};
76
77&dp {
78	status = "okay";
79	pinctrl-names = "default";
80	pinctrl-0 = <&dp_hpd_gpio>;
81	samsung,color-space = <0>;
82	samsung,color-depth = <1>;
83	samsung,link-rate = <0x0a>;
84	samsung,lane-count = <1>;
85	hpd-gpios = <&gpc3 0 GPIO_ACTIVE_HIGH>;
86};
87
88&ehci {
89	samsung,vbus-gpio = <&gpx1 1 GPIO_ACTIVE_HIGH>;
90};
91
92&fimd {
93	status = "okay";
94	samsung,invert-vclk;
95};
96
97&hdmi {
98	status = "okay";
99	hpd-gpios = <&gpx3 7 GPIO_ACTIVE_HIGH>;
100	pinctrl-names = "default";
101	pinctrl-0 = <&hdmi_hpd_irq>;
102	ddc = <&i2c_2>;
103	hdmi-en-supply = <&ldo8_reg>;
104	vdd-supply = <&ldo8_reg>;
105	vdd_osc-supply = <&ldo10_reg>;
106	vdd_pll-supply = <&ldo8_reg>;
107};
108
109&i2c_0 {
110	status = "okay";
111	samsung,i2c-sda-delay = <100>;
112	samsung,i2c-max-bus-freq = <378000>;
113
114	pmic@66 {
115		compatible = "samsung,s5m8767-pmic";
116		reg = <0x66>;
117		interrupt-parent = <&gpx3>;
118		interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
119		pinctrl-names = "default";
120		pinctrl-0 = <&s5m8767_irq &s5m8767_dvs &s5m8767_ds>;
121		wakeup-source;
122
123		s5m8767,pmic-buck-dvs-gpios = <&gpd1 0 GPIO_ACTIVE_LOW>, /* DVS1 */
124					      <&gpd1 1 GPIO_ACTIVE_LOW>, /* DVS2 */
125					      <&gpd1 2 GPIO_ACTIVE_LOW>; /* DVS3 */
126
127		s5m8767,pmic-buck-ds-gpios = <&gpx2 3 GPIO_ACTIVE_LOW>, /* SET1 */
128					     <&gpx2 4 GPIO_ACTIVE_LOW>, /* SET2 */
129					     <&gpx2 5 GPIO_ACTIVE_LOW>; /* SET3 */
130
131		/*
132		 * The following arrays of DVS voltages are not used, since we are
133		 * not using GPIOs to control PMIC bucks, but they must be defined
134		 * to please the driver.
135		 */
136		s5m8767,pmic-buck2-dvs-voltage = <1350000>, <1300000>,
137						 <1250000>, <1200000>,
138						 <1150000>, <1100000>,
139						 <1000000>, <950000>;
140
141		s5m8767,pmic-buck3-dvs-voltage = <1100000>, <1100000>,
142						 <1100000>, <1100000>,
143						 <1000000>, <1000000>,
144						 <1000000>, <1000000>;
145
146		s5m8767,pmic-buck4-dvs-voltage = <1200000>, <1200000>,
147						 <1200000>, <1200000>,
148						 <1200000>, <1200000>,
149						 <1200000>, <1200000>;
150
151		s5m8767_osc: clocks {
152			compatible = "samsung,s5m8767-clk";
153			#clock-cells = <1>;
154			clock-output-names = "en32khz_ap",
155					     "en32khz_cp",
156					     "en32khz_bt";
157		};
158
159		regulators {
160			ldo4_reg: LDO4 {
161				regulator-name = "P1.0V_LDO_OUT4";
162				regulator-min-microvolt = <1000000>;
163				regulator-max-microvolt = <1000000>;
164				regulator-always-on;
165				op_mode = <0>;
166			};
167
168			ldo5_reg: LDO5 {
169				regulator-name = "P1.0V_LDO_OUT5";
170				regulator-min-microvolt = <1000000>;
171				regulator-max-microvolt = <1000000>;
172				regulator-always-on;
173				op_mode = <0>;
174			};
175
176			ldo6_reg: LDO6 {
177				regulator-name = "vdd_mydp";
178				regulator-min-microvolt = <1000000>;
179				regulator-max-microvolt = <1000000>;
180				regulator-always-on;
181				op_mode = <3>;
182			};
183
184			ldo7_reg: LDO7 {
185				regulator-name = "P1.1V_LDO_OUT7";
186				regulator-min-microvolt = <1100000>;
187				regulator-max-microvolt = <1100000>;
188				regulator-always-on;
189				op_mode = <3>;
190			};
191
192			ldo8_reg: LDO8 {
193				regulator-name = "P1.0V_LDO_OUT8";
194				regulator-min-microvolt = <1000000>;
195				regulator-max-microvolt = <1000000>;
196				regulator-always-on;
197				op_mode = <3>;
198			};
199
200			ldo10_reg: LDO10 {
201				regulator-name = "P1.8V_LDO_OUT10";
202				regulator-min-microvolt = <1800000>;
203				regulator-max-microvolt = <1800000>;
204				regulator-always-on;
205				op_mode = <3>;
206			};
207
208			ldo11_reg: LDO11 {
209				regulator-name = "P1.8V_LDO_OUT11";
210				regulator-min-microvolt = <1800000>;
211				regulator-max-microvolt = <1800000>;
212				regulator-always-on;
213				op_mode = <0>;
214			};
215
216			ldo12_reg: LDO12 {
217				regulator-name = "P3.0V_LDO_OUT12";
218				regulator-min-microvolt = <3000000>;
219				regulator-max-microvolt = <3000000>;
220				regulator-always-on;
221				op_mode = <3>;
222			};
223
224			ldo13_reg: LDO13 {
225				regulator-name = "P1.8V_LDO_OUT13";
226				regulator-min-microvolt = <1800000>;
227				regulator-max-microvolt = <1800000>;
228				regulator-always-on;
229				op_mode = <0>;
230			};
231
232			ldo14_reg: LDO14 {
233				regulator-name = "P1.8V_LDO_OUT14";
234				regulator-min-microvolt = <1800000>;
235				regulator-max-microvolt = <1800000>;
236				regulator-always-on;
237				op_mode = <3>;
238			};
239
240			ldo15_reg: LDO15 {
241				regulator-name = "P1.0V_LDO_OUT15";
242				regulator-min-microvolt = <1000000>;
243				regulator-max-microvolt = <1000000>;
244				regulator-always-on;
245				op_mode = <3>;
246			};
247
248			ldo16_reg: LDO16 {
249				regulator-name = "P1.8V_LDO_OUT16";
250				regulator-min-microvolt = <1800000>;
251				regulator-max-microvolt = <1800000>;
252				regulator-always-on;
253				op_mode = <3>;
254			};
255
256			ldo17_reg: LDO17 {
257				regulator-name = "P2.8V_LDO_OUT17";
258				regulator-min-microvolt = <2800000>;
259				regulator-max-microvolt = <2800000>;
260				regulator-always-on;
261				op_mode = <0>;
262			};
263
264			ldo25_reg: LDO25 {
265				regulator-name = "vdd_bridge";
266				regulator-min-microvolt = <1200000>;
267				regulator-max-microvolt = <1200000>;
268				regulator-always-on;
269				op_mode = <1>;
270			};
271
272			buck1_reg: BUCK1 {
273				regulator-name = "vdd_mif";
274				regulator-min-microvolt = <950000>;
275				regulator-max-microvolt = <1300000>;
276				regulator-always-on;
277				regulator-boot-on;
278				op_mode = <3>;
279			};
280
281			buck2_reg: BUCK2 {
282				regulator-name = "vdd_arm";
283				regulator-min-microvolt = <850000>;
284				regulator-max-microvolt = <1350000>;
285				regulator-always-on;
286				regulator-boot-on;
287				op_mode = <3>;
288			};
289
290			buck3_reg: BUCK3 {
291				regulator-name = "vdd_int";
292				regulator-min-microvolt = <900000>;
293				regulator-max-microvolt = <1200000>;
294				regulator-always-on;
295				regulator-boot-on;
296				op_mode = <3>;
297			};
298
299			buck4_reg: BUCK4 {
300				regulator-name = "vdd_g3d";
301				regulator-min-microvolt = <850000>;
302				regulator-max-microvolt = <1300000>;
303				regulator-boot-on;
304				op_mode = <3>;
305			};
306
307			buck5_reg: BUCK5 {
308				regulator-name = "P1.8V_BUCK_OUT5";
309				regulator-min-microvolt = <1800000>;
310				regulator-max-microvolt = <1800000>;
311				regulator-always-on;
312				regulator-boot-on;
313				op_mode = <1>;
314			};
315
316			buck6_reg: BUCK6 {
317				regulator-name = "P1.2V_BUCK_OUT6";
318				regulator-min-microvolt = <1200000>;
319				regulator-max-microvolt = <1200000>;
320				regulator-always-on;
321				regulator-boot-on;
322				op_mode = <0>;
323			};
324
325			buck9_reg: BUCK9 {
326				regulator-name = "vdd_ummc";
327				regulator-min-microvolt = <950000>;
328				regulator-max-microvolt = <3000000>;
329				regulator-always-on;
330				regulator-boot-on;
331				op_mode = <3>;
332			};
333		};
334	};
335};
336
337&i2c_1 {
338	status = "okay";
339	samsung,i2c-sda-delay = <100>;
340	samsung,i2c-max-bus-freq = <378000>;
341
342	trackpad@4b {
343		compatible = "atmel,maxtouch";
344		reg = <0x4b>;
345		interrupt-parent = <&gpx1>;
346		interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
347		pinctrl-names = "default";
348		pinctrl-0 = <&trackpad_irq>;
349		linux,gpio-keymap = <KEY_RESERVED
350				     KEY_RESERVED
351				     KEY_RESERVED
352				     KEY_RESERVED
353				     KEY_RESERVED
354				     BTN_LEFT>;
355		wakeup-source;
356	};
357};
358
359/*
360 * Disabled pullups since external part has its own pullups and
361 * double-pulling gets us out of spec in some cases.
362 */
363&i2c2_bus {
364	samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
365};
366
367&i2c_2 {
368	status = "okay";
369	/* used by HDMI DDC */
370	samsung,i2c-sda-delay = <100>;
371	samsung,i2c-max-bus-freq = <66000>;
372};
373
374&i2c_3 {
375	status = "okay";
376	samsung,i2c-sda-delay = <100>;
377	samsung,i2c-max-bus-freq = <66000>;
378};
379
380&i2c_4 {
381	status = "okay";
382	samsung,i2c-sda-delay = <100>;
383	samsung,i2c-max-bus-freq = <66000>;
384
385	cros_ec: embedded-controller@1e {
386		compatible = "google,cros-ec-i2c";
387		reg = <0x1e>;
388		interrupts = <6 IRQ_TYPE_NONE>;
389		interrupt-parent = <&gpx1>;
390		wakeup-source;
391		pinctrl-names = "default";
392		pinctrl-0 = <&ec_irq>;
393	};
394};
395
396&i2c_5 {
397	status = "okay";
398	samsung,i2c-sda-delay = <100>;
399	samsung,i2c-max-bus-freq = <66000>;
400};
401
402&i2c_7 {
403	status = "okay";
404	samsung,i2c-sda-delay = <100>;
405	samsung,i2c-max-bus-freq = <66000>;
406
407	temperature-sensor@4c {
408		compatible = "gmt,g781";
409		reg = <0x4c>;
410	};
411};
412
413&i2c_8 {
414	status = "okay";
415	/* used by HDMI PHY */
416	samsung,i2c-sda-delay = <100>;
417	samsung,i2c-max-bus-freq = <378000>;
418};
419
420&i2s0 {
421	status = "okay";
422};
423
424&mixer {
425	status = "okay";
426};
427
428&mmc_0 {
429	status = "okay";
430	broken-cd;
431	card-detect-delay = <200>;
432	samsung,dw-mshc-ciu-div = <3>;
433	samsung,dw-mshc-sdr-timing = <2 3>;
434	samsung,dw-mshc-ddr-timing = <1 2>;
435	pinctrl-names = "default";
436	pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_cd &sd0_bus4 &sd0_bus8>;
437	bus-width = <8>;
438	cap-mmc-highspeed;
439	mmc-ddr-1_8v;
440};
441
442/*
443 * On Spring we've got SIP WiFi and so can keep drive strengths low to
444 * reduce EMI.
445 */
446&mmc_1 {
447	status = "okay";
448	broken-cd;
449	card-detect-delay = <200>;
450	samsung,dw-mshc-ciu-div = <3>;
451	samsung,dw-mshc-sdr-timing = <2 3>;
452	samsung,dw-mshc-ddr-timing = <1 2>;
453	pinctrl-names = "default";
454	pinctrl-0 = <&sd1_clk &sd1_cmd &sd1_cd &sd1_bus4>;
455	bus-width = <4>;
456	cap-sd-highspeed;
457};
458
459&pinctrl_0 {
460	s5m8767_dvs: s5m8767-dvs-pins {
461		samsung,pins = "gpd1-0", "gpd1-1", "gpd1-2";
462		samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
463		samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
464		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
465	};
466
467	dp_hpd_gpio: dp-hpd-pins {
468		samsung,pins = "gpc3-0";
469		samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
470		samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
471		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
472	};
473
474	trackpad_irq: trackpad-irq-pins {
475		samsung,pins = "gpx1-2";
476		samsung,pin-function = <EXYNOS_PIN_FUNC_F>;
477		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
478		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
479	};
480
481	power_key_irq: power-key-irq-pins {
482		samsung,pins = "gpx1-3";
483		samsung,pin-function = <EXYNOS_PIN_FUNC_F>;
484		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
485		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
486	};
487
488	ec_irq: ec-irq-pins {
489		samsung,pins = "gpx1-6";
490		samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
491		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
492		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
493	};
494
495	s5m8767_ds: s5m8767-ds-pins {
496		samsung,pins = "gpx2-3", "gpx2-4", "gpx2-5";
497		samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
498		samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
499		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
500	};
501
502	s5m8767_irq: s5m8767-irq-pins {
503		samsung,pins = "gpx3-2";
504		samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
505		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
506		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
507	};
508
509	lid_irq: lid-irq-pins {
510		samsung,pins = "gpx3-5";
511		samsung,pin-function = <EXYNOS_PIN_FUNC_F>;
512		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
513		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
514	};
515
516	hdmi_hpd_irq: hdmi-hpd-irq-pins {
517		samsung,pins = "gpx3-7";
518		samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
519		samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
520		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
521	};
522};
523
524&pinctrl_1 {
525	hsic_reset: hsic-reset-pins {
526		samsung,pins = "gpe1-0";
527		samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
528		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
529		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
530	};
531};
532
533&rtc {
534	status = "okay";
535	clocks = <&clock CLK_RTC>, <&s5m8767_osc S2MPS11_CLK_AP>;
536	clock-names = "rtc", "rtc_src";
537};
538
539&sd1_bus4 {
540	samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
541};
542
543&sd1_cd {
544	samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
545};
546
547&sd1_clk {
548	samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
549};
550
551&sd1_cmd {
552	samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
553	samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
554};
555
556&spi_1 {
557	status = "okay";
558	samsung,spi-src-clk = <0>;
559	num-cs = <1>;
560};
561
562&usbdrd {
563	vdd10-supply = <&ldo15_reg>;
564	vdd33-supply = <&ldo12_reg>;
565};
566
567#include "../cros-ec-keyboard.dtsi"
568