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
20	memory@40000000 {
21		device_type = "memory";
22		reg = <0x40000000 0x80000000>;
23	};
24
25	chosen {
26		bootargs = "console=tty1";
27		stdout-path = "serial3:115200n8";
28	};
29
30	gpio-keys {
31		compatible = "gpio-keys";
32		pinctrl-names = "default";
33		pinctrl-0 = <&power_key_irq>, <&lid_irq>;
34
35		power {
36			label = "Power";
37			gpios = <&gpx1 3 GPIO_ACTIVE_LOW>;
38			linux,code = <KEY_POWER>;
39			wakeup-source;
40		};
41
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	};
51
52	usb-hub {
53		compatible = "smsc,usb3503a";
54		reset-gpios = <&gpe1 0 GPIO_ACTIVE_LOW>;
55		pinctrl-names = "default";
56		pinctrl-0 = <&hsic_reset>;
57	};
58
59	fixed-rate-clocks {
60		xxti {
61			compatible = "samsung,clock-xxti";
62			clock-frequency = <24000000>;
63		};
64	};
65};
66
67&cpu0 {
68	cpu0-supply = <&buck2_reg>;
69};
70
71&dp {
72	status = "okay";
73	pinctrl-names = "default";
74	pinctrl-0 = <&dp_hpd_gpio>;
75	samsung,color-space = <0>;
76	samsung,color-depth = <1>;
77	samsung,link-rate = <0x0a>;
78	samsung,lane-count = <1>;
79	hpd-gpios = <&gpc3 0 GPIO_ACTIVE_HIGH>;
80};
81
82&ehci {
83	samsung,vbus-gpio = <&gpx1 1 GPIO_ACTIVE_HIGH>;
84};
85
86&fimd {
87	status = "okay";
88	samsung,invert-vclk;
89};
90
91&hdmi {
92	status = "okay";
93	hpd-gpios = <&gpx3 7 GPIO_ACTIVE_HIGH>;
94	pinctrl-names = "default";
95	pinctrl-0 = <&hdmi_hpd_irq>;
96	ddc = <&i2c_2>;
97	hdmi-en-supply = <&ldo8_reg>;
98	vdd-supply = <&ldo8_reg>;
99	vdd_osc-supply = <&ldo10_reg>;
100	vdd_pll-supply = <&ldo8_reg>;
101};
102
103&i2c_0 {
104	status = "okay";
105	samsung,i2c-sda-delay = <100>;
106	samsung,i2c-max-bus-freq = <378000>;
107
108	pmic@66 {
109		compatible = "samsung,s5m8767-pmic";
110		reg = <0x66>;
111		interrupt-parent = <&gpx3>;
112		interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
113		pinctrl-names = "default";
114		pinctrl-0 = <&s5m8767_irq &s5m8767_dvs &s5m8767_ds>;
115		wakeup-source;
116
117		s5m8767,pmic-buck-dvs-gpios = <&gpd1 0 GPIO_ACTIVE_LOW>, /* DVS1 */
118					      <&gpd1 1 GPIO_ACTIVE_LOW>, /* DVS2 */
119					      <&gpd1 2 GPIO_ACTIVE_LOW>; /* DVS3 */
120
121		s5m8767,pmic-buck-ds-gpios = <&gpx2 3 GPIO_ACTIVE_LOW>, /* SET1 */
122					     <&gpx2 4 GPIO_ACTIVE_LOW>, /* SET2 */
123					     <&gpx2 5 GPIO_ACTIVE_LOW>; /* SET3 */
124
125		/*
126		 * The following arrays of DVS voltages are not used, since we are
127		 * not using GPIOs to control PMIC bucks, but they must be defined
128		 * to please the driver.
129		 */
130		s5m8767,pmic-buck2-dvs-voltage = <1350000>, <1300000>,
131						 <1250000>, <1200000>,
132						 <1150000>, <1100000>,
133						 <1000000>, <950000>;
134
135		s5m8767,pmic-buck3-dvs-voltage = <1100000>, <1100000>,
136						 <1100000>, <1100000>,
137						 <1000000>, <1000000>,
138						 <1000000>, <1000000>;
139
140		s5m8767,pmic-buck4-dvs-voltage = <1200000>, <1200000>,
141						 <1200000>, <1200000>,
142						 <1200000>, <1200000>,
143						 <1200000>, <1200000>;
144
145		s5m8767_osc: clocks {
146			compatible = "samsung,s5m8767-clk";
147			#clock-cells = <1>;
148			clock-output-names = "en32khz_ap",
149					     "en32khz_cp",
150					     "en32khz_bt";
151		};
152
153		regulators {
154			ldo4_reg: LDO4 {
155				regulator-name = "P1.0V_LDO_OUT4";
156				regulator-min-microvolt = <1000000>;
157				regulator-max-microvolt = <1000000>;
158				regulator-always-on;
159				op_mode = <0>;
160			};
161
162			ldo5_reg: LDO5 {
163				regulator-name = "P1.0V_LDO_OUT5";
164				regulator-min-microvolt = <1000000>;
165				regulator-max-microvolt = <1000000>;
166				regulator-always-on;
167				op_mode = <0>;
168			};
169
170			ldo6_reg: LDO6 {
171				regulator-name = "vdd_mydp";
172				regulator-min-microvolt = <1000000>;
173				regulator-max-microvolt = <1000000>;
174				regulator-always-on;
175				op_mode = <3>;
176			};
177
178			ldo7_reg: LDO7 {
179				regulator-name = "P1.1V_LDO_OUT7";
180				regulator-min-microvolt = <1100000>;
181				regulator-max-microvolt = <1100000>;
182				regulator-always-on;
183				op_mode = <3>;
184			};
185
186			ldo8_reg: LDO8 {
187				regulator-name = "P1.0V_LDO_OUT8";
188				regulator-min-microvolt = <1000000>;
189				regulator-max-microvolt = <1000000>;
190				regulator-always-on;
191				op_mode = <3>;
192			};
193
194			ldo10_reg: LDO10 {
195				regulator-name = "P1.8V_LDO_OUT10";
196				regulator-min-microvolt = <1800000>;
197				regulator-max-microvolt = <1800000>;
198				regulator-always-on;
199				op_mode = <3>;
200			};
201
202			ldo11_reg: LDO11 {
203				regulator-name = "P1.8V_LDO_OUT11";
204				regulator-min-microvolt = <1800000>;
205				regulator-max-microvolt = <1800000>;
206				regulator-always-on;
207				op_mode = <0>;
208			};
209
210			ldo12_reg: LDO12 {
211				regulator-name = "P3.0V_LDO_OUT12";
212				regulator-min-microvolt = <3000000>;
213				regulator-max-microvolt = <3000000>;
214				regulator-always-on;
215				op_mode = <3>;
216			};
217
218			ldo13_reg: LDO13 {
219				regulator-name = "P1.8V_LDO_OUT13";
220				regulator-min-microvolt = <1800000>;
221				regulator-max-microvolt = <1800000>;
222				regulator-always-on;
223				op_mode = <0>;
224			};
225
226			ldo14_reg: LDO14 {
227				regulator-name = "P1.8V_LDO_OUT14";
228				regulator-min-microvolt = <1800000>;
229				regulator-max-microvolt = <1800000>;
230				regulator-always-on;
231				op_mode = <3>;
232			};
233
234			ldo15_reg: LDO15 {
235				regulator-name = "P1.0V_LDO_OUT15";
236				regulator-min-microvolt = <1000000>;
237				regulator-max-microvolt = <1000000>;
238				regulator-always-on;
239				op_mode = <3>;
240			};
241
242			ldo16_reg: LDO16 {
243				regulator-name = "P1.8V_LDO_OUT16";
244				regulator-min-microvolt = <1800000>;
245				regulator-max-microvolt = <1800000>;
246				regulator-always-on;
247				op_mode = <3>;
248			};
249
250			ldo17_reg: LDO17 {
251				regulator-name = "P2.8V_LDO_OUT17";
252				regulator-min-microvolt = <2800000>;
253				regulator-max-microvolt = <2800000>;
254				regulator-always-on;
255				op_mode = <0>;
256			};
257
258			ldo25_reg: LDO25 {
259				regulator-name = "vdd_bridge";
260				regulator-min-microvolt = <1200000>;
261				regulator-max-microvolt = <1200000>;
262				regulator-always-on;
263				op_mode = <1>;
264			};
265
266			buck1_reg: BUCK1 {
267				regulator-name = "vdd_mif";
268				regulator-min-microvolt = <950000>;
269				regulator-max-microvolt = <1300000>;
270				regulator-always-on;
271				regulator-boot-on;
272				op_mode = <3>;
273			};
274
275			buck2_reg: BUCK2 {
276				regulator-name = "vdd_arm";
277				regulator-min-microvolt = <850000>;
278				regulator-max-microvolt = <1350000>;
279				regulator-always-on;
280				regulator-boot-on;
281				op_mode = <3>;
282			};
283
284			buck3_reg: BUCK3 {
285				regulator-name = "vdd_int";
286				regulator-min-microvolt = <900000>;
287				regulator-max-microvolt = <1200000>;
288				regulator-always-on;
289				regulator-boot-on;
290				op_mode = <3>;
291			};
292
293			buck4_reg: BUCK4 {
294				regulator-name = "vdd_g3d";
295				regulator-min-microvolt = <850000>;
296				regulator-max-microvolt = <1300000>;
297				regulator-boot-on;
298				op_mode = <3>;
299			};
300
301			buck5_reg: BUCK5 {
302				regulator-name = "P1.8V_BUCK_OUT5";
303				regulator-min-microvolt = <1800000>;
304				regulator-max-microvolt = <1800000>;
305				regulator-always-on;
306				regulator-boot-on;
307				op_mode = <1>;
308			};
309
310			buck6_reg: BUCK6 {
311				regulator-name = "P1.2V_BUCK_OUT6";
312				regulator-min-microvolt = <1200000>;
313				regulator-max-microvolt = <1200000>;
314				regulator-always-on;
315				regulator-boot-on;
316				op_mode = <0>;
317			};
318
319			buck9_reg: BUCK9 {
320				regulator-name = "vdd_ummc";
321				regulator-min-microvolt = <950000>;
322				regulator-max-microvolt = <3000000>;
323				regulator-always-on;
324				regulator-boot-on;
325				op_mode = <3>;
326			};
327		};
328	};
329};
330
331&i2c_1 {
332	status = "okay";
333	samsung,i2c-sda-delay = <100>;
334	samsung,i2c-max-bus-freq = <378000>;
335
336	trackpad@4b {
337		compatible = "atmel,maxtouch";
338		reg = <0x4b>;
339		interrupt-parent = <&gpx1>;
340		interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
341		pinctrl-names = "default";
342		pinctrl-0 = <&trackpad_irq>;
343		linux,gpio-keymap = <KEY_RESERVED
344				     KEY_RESERVED
345				     KEY_RESERVED
346				     KEY_RESERVED
347				     KEY_RESERVED
348				     BTN_LEFT>;
349		wakeup-source;
350	};
351};
352
353/*
354 * Disabled pullups since external part has its own pullups and
355 * double-pulling gets us out of spec in some cases.
356 */
357&i2c2_bus {
358	samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
359};
360
361&i2c_2 {
362	status = "okay";
363	/* used by HDMI DDC */
364	samsung,i2c-sda-delay = <100>;
365	samsung,i2c-max-bus-freq = <66000>;
366};
367
368&i2c_3 {
369	status = "okay";
370	samsung,i2c-sda-delay = <100>;
371	samsung,i2c-max-bus-freq = <66000>;
372};
373
374&i2c_4 {
375	status = "okay";
376	samsung,i2c-sda-delay = <100>;
377	samsung,i2c-max-bus-freq = <66000>;
378
379	cros_ec: embedded-controller@1e {
380		compatible = "google,cros-ec-i2c";
381		reg = <0x1e>;
382		interrupts = <6 IRQ_TYPE_NONE>;
383		interrupt-parent = <&gpx1>;
384		wakeup-source;
385		pinctrl-names = "default";
386		pinctrl-0 = <&ec_irq>;
387	};
388};
389
390&i2c_5 {
391	status = "okay";
392	samsung,i2c-sda-delay = <100>;
393	samsung,i2c-max-bus-freq = <66000>;
394};
395
396&i2c_7 {
397	status = "okay";
398	samsung,i2c-sda-delay = <100>;
399	samsung,i2c-max-bus-freq = <66000>;
400
401	temperature-sensor@4c {
402		compatible = "gmt,g781";
403		reg = <0x4c>;
404	};
405};
406
407&i2c_8 {
408	status = "okay";
409	/* used by HDMI PHY */
410	samsung,i2c-sda-delay = <100>;
411	samsung,i2c-max-bus-freq = <378000>;
412};
413
414&i2s0 {
415	status = "okay";
416};
417
418&mixer {
419	status = "okay";
420};
421
422&mmc_0 {
423	status = "okay";
424	broken-cd;
425	card-detect-delay = <200>;
426	samsung,dw-mshc-ciu-div = <3>;
427	samsung,dw-mshc-sdr-timing = <2 3>;
428	samsung,dw-mshc-ddr-timing = <1 2>;
429	pinctrl-names = "default";
430	pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_cd &sd0_bus4 &sd0_bus8>;
431	bus-width = <8>;
432	cap-mmc-highspeed;
433};
434
435/*
436 * On Spring we've got SIP WiFi and so can keep drive strengths low to
437 * reduce EMI.
438 */
439&mmc_1 {
440	status = "okay";
441	broken-cd;
442	card-detect-delay = <200>;
443	samsung,dw-mshc-ciu-div = <3>;
444	samsung,dw-mshc-sdr-timing = <2 3>;
445	samsung,dw-mshc-ddr-timing = <1 2>;
446	pinctrl-names = "default";
447	pinctrl-0 = <&sd1_clk &sd1_cmd &sd1_cd &sd1_bus4>;
448	bus-width = <4>;
449	cap-sd-highspeed;
450};
451
452&pinctrl_0 {
453	s5m8767_dvs: s5m8767-dvs {
454		samsung,pins = "gpd1-0", "gpd1-1", "gpd1-2";
455		samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
456		samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
457		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
458	};
459
460	dp_hpd_gpio: dp-hpd {
461		samsung,pins = "gpc3-0";
462		samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
463		samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
464		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
465	};
466
467	trackpad_irq: trackpad-irq {
468		samsung,pins = "gpx1-2";
469		samsung,pin-function = <EXYNOS_PIN_FUNC_F>;
470		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
471		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
472	};
473
474	power_key_irq: power-key-irq {
475		samsung,pins = "gpx1-3";
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	ec_irq: ec-irq {
482		samsung,pins = "gpx1-6";
483		samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
484		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
485		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
486	};
487
488	s5m8767_ds: s5m8767-ds {
489		samsung,pins = "gpx2-3", "gpx2-4", "gpx2-5";
490		samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
491		samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
492		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
493	};
494
495	s5m8767_irq: s5m8767-irq {
496		samsung,pins = "gpx3-2";
497		samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
498		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
499		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
500	};
501
502	lid_irq: lid-irq {
503		samsung,pins = "gpx3-5";
504		samsung,pin-function = <EXYNOS_PIN_FUNC_F>;
505		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
506		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
507	};
508
509	hdmi_hpd_irq: hdmi-hpd-irq {
510		samsung,pins = "gpx3-7";
511		samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
512		samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
513		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
514	};
515};
516
517&pinctrl_1 {
518	hsic_reset: hsic-reset {
519		samsung,pins = "gpe1-0";
520		samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
521		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
522		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
523	};
524};
525
526&rtc {
527	status = "okay";
528	clocks = <&clock CLK_RTC>, <&s5m8767_osc S2MPS11_CLK_AP>;
529	clock-names = "rtc", "rtc_src";
530};
531
532&sd1_bus4 {
533	samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
534};
535
536&sd1_cd {
537	samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
538};
539
540&sd1_clk {
541	samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
542};
543
544&sd1_cmd {
545	samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
546	samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
547};
548
549&spi_1 {
550	status = "okay";
551	samsung,spi-src-clk = <0>;
552	num-cs = <1>;
553};
554
555#include "cros-ec-keyboard.dtsi"
556