1/*
2 * SAMSUNG Snow board device tree source
3 *
4 * Copyright (c) 2012 Samsung Electronics Co., Ltd.
5 *		http://www.samsung.com
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
18/ {
19	model = "Google Snow";
20	compatible = "google,snow", "samsung,exynos5250", "samsung,exynos5";
21
22	aliases {
23		i2c0 = "/i2c@12C60000";
24		i2c1 = "/i2c@12C70000";
25		i2c2 = "/i2c@12C80000";
26		i2c3 = "/i2c@12C90000";
27		i2c4 = "/i2c@12CA0000";
28		i2c104 = &i2c_104;
29		i2c5 = "/i2c@12CB0000";
30		i2c6 = "/i2c@12CC0000";
31		i2c7 = "/i2c@12CD0000";
32		spi0 = "/spi@12d20000";
33		spi1 = "/spi@12d30000";
34		spi2 = "/spi@12d40000";
35		spi3 = "/spi@131a0000";
36		spi4 = "/spi@131b0000";
37		mmc0 = "/mmc@12200000";
38		mmc1 = "/mmc@12210000";
39		mmc2 = "/mmc@12220000";
40		mmc3 = "/mmc@12230000";
41		serial0 = "/serial@12C30000";
42		console = "/serial@12C30000";
43	};
44
45        memory {
46		reg = <0x40000000 0x80000000>;
47	};
48
49	chosen {
50		bootargs = "console=tty1";
51		stdout-path = "serial3:115200n8";
52	};
53
54	iram {
55		reg = <0x02020000 0x60000>;
56	};
57
58	config {
59		samsung,bl1-offset = <0x1400>;
60		samsung,bl2-offset = <0x3400>;
61		u-boot-memory = "/memory";
62		u-boot-offset = <0x3e00000 0x100000>;
63	};
64
65	flash {
66		reg = <0 0x100000>;
67		#address-cells = <1>;
68		#size-cells = <1>;
69		pre-boot {
70			label = "bl1 pre-boot";
71			reg = <0 0x2000>;
72			read-only;
73			filename = "e5250.nbl1.bin";
74			type = "blob exynos-bl1";
75			required;
76		};
77
78		spl {
79			label = "bl2 spl";
80			reg = <0x2000 0x4000>;
81			read-only;
82			filename = "bl2.bin";
83			type = "blob exynos-bl2 boot,dtb";
84			payload = "/flash/ro-boot";
85			required;
86		};
87
88		ro-boot {
89			label = "u-boot";
90			reg = <0x6000 0xb0000>;
91			read-only;
92			type = "blob boot,dtb";
93			required;
94		};
95	};
96
97	i2c-arbitrator {
98		compatible = "i2c-arb-gpio-challenge";
99		#address-cells = <1>;
100		#size-cells = <0>;
101
102		i2c-parent = <&{/i2c@12CA0000}>;
103
104		our-claim-gpio = <&gpf0 3 GPIO_ACTIVE_LOW>;
105		their-claim-gpios = <&gpe0 4 GPIO_ACTIVE_LOW>;
106		slew-delay-us = <10>;
107		wait-retry-us = <3000>;
108		wait-free-us = <50000>;
109
110		/* Use ID 104 as a hint that we're on physical bus 4 */
111		i2c_104: i2c@0 {
112			reg = <0>;
113			#address-cells = <1>;
114			#size-cells = <0>;
115
116			battery: sbs-battery@b {
117				compatible = "sbs,sbs-battery";
118				reg = <0xb>;
119				sbs,poll-retry-count = <1>;
120			};
121
122			cros_ec: embedded-controller {
123				compatible = "google,cros-ec-i2c";
124				reg = <0x1e>;
125				interrupts = <6 IRQ_TYPE_NONE>;
126				interrupt-parent = <&gpx1>;
127				wakeup-source;
128				i2c-max-frequency = <100000>;
129				u-boot,i2c-offset-len = <0>;
130				ec-interrupt = <&gpx1 6 GPIO_ACTIVE_LOW>;
131			};
132
133			power-regulator {
134				compatible = "ti,tps65090";
135				reg = <0x48>;
136
137				regulators {
138					dcdc1 {
139						ti,enable-ext-control;
140					};
141					dcdc2 {
142						ti,enable-ext-control;
143					};
144					dcdc3 {
145						ti,enable-ext-control;
146					};
147					fet1: fet1 {
148						regulator-name = "vcd_led";
149						ti,overcurrent-wait = <3>;
150					};
151					tps65090_fet2: fet2 {
152						regulator-name = "video_mid";
153						regulator-always-on;
154						ti,overcurrent-wait = <3>;
155					};
156					fet3 {
157						regulator-name = "wwan_r";
158						regulator-always-on;
159						ti,overcurrent-wait = <3>;
160					};
161					fet4 {
162						regulator-name = "sdcard";
163						ti,overcurrent-wait = <3>;
164					};
165					fet5 {
166						regulator-name = "camout";
167						regulator-always-on;
168						ti,overcurrent-wait = <3>;
169					};
170					fet6: fet6 {
171						regulator-name = "lcd_vdd";
172						ti,overcurrent-wait = <3>;
173					};
174					tps65090_fet7: fet7 {
175						regulator-name = "video_mid_1a";
176						regulator-always-on;
177						ti,overcurrent-wait = <3>;
178					};
179					ldo1 {
180					};
181					ldo2 {
182					};
183				};
184
185				charger {
186					compatible = "ti,tps65090-charger";
187				};
188			};
189		};
190	};
191
192	i2c@12CD0000 {
193		ptn3460: lvds-bridge@20 {
194			compatible = "nxp,ptn3460";
195			reg = <0x20>;
196			sleep-gpios = <&gpy2 5 GPIO_ACTIVE_LOW>;
197			reset-gpios = <&gpx1 5 GPIO_ACTIVE_LOW>;
198			hotplug-gpios = <&gpx0 7 GPIO_ACTIVE_HIGH>;
199			edid-emulation = <5>;
200
201			ports {
202				port@0 {
203					bridge_out: endpoint {
204						remote-endpoint = <&panel_in>;
205					};
206				};
207
208				port@1 {
209					bridge_in: endpoint {
210						remote-endpoint = <&dp_out>;
211					};
212				};
213			};
214		};
215
216		max98095: codec@11 {
217			compatible = "maxim,max98095";
218			reg = <0x11>;
219			#sound-dai-cells = <1>;
220		};
221	};
222
223	i2c@12C90000 {
224		clock-frequency = <100000>;
225		tpm@20 {
226			reg = <0x20>;
227			u-boot,i2c-offset-len = <0>;
228			compatible = "infineon,slb9635tt";
229		};
230	};
231
232	spi@12d30000 {
233		spi-max-frequency = <50000000>;
234		firmware_storage_spi: flash@0 {
235			compatible = "spi-flash";
236			reg = <0>;
237		};
238	};
239
240	backlight: backlight {
241		compatible = "pwm-backlight";
242		pwms = <&pwm 0 1000000 0>;
243		brightness-levels = <0 100 500 1000 1500 2000 2500 2800>;
244		default-brightness-level = <7>;
245		enable-gpios = <&gpx3 0 GPIO_ACTIVE_HIGH>;
246		power-supply = <&fet1>;
247	};
248
249	panel: panel {
250		compatible = "auo,b116xw03";
251		power-supply = <&fet6>;
252		backlight = <&backlight>;
253
254		port {
255			panel_in: endpoint {
256				remote-endpoint = <&bridge_out>;
257			};
258		};
259	};
260
261	spi@131b0000 {
262		spi-max-frequency = <1000000>;
263		spi-deactivate-delay = <100>;
264
265		/* Snow did support SPI but the released version used I2C */
266		embedded-controller {
267			compatible = "google,cros-ec-i2c";
268			reg = <0x1e>;
269			spi-max-frequency = <5000000>;
270			ec-interrupt = <&gpx1 6 GPIO_ACTIVE_LOW>;
271			optimise-flash-write;
272			status = "disabled";
273		};
274	};
275
276	sound {
277		compatible = "google,snow-audio-max98095";
278
279		samsung,model = "Snow-I2S-MAX98095";
280		samsung,audio-codec = <&max98095>;
281		codec-enable-gpio = <&gpx1 7 GPIO_ACTIVE_HIGH>;
282
283		cpu {
284			sound-dai = <&i2s0 0>;
285		};
286
287		codec {
288			sound-dai = <&max98095 0>;
289		};
290	};
291
292	sound@12d60000 {
293		status = "disabled";
294	};
295
296	i2c@12C60000 {
297		max77686@09 {
298			reg = <0x9>;
299			compatible = "maxim,max77686";
300		};
301	};
302
303	mmc@12200000 {
304		samsung,bus-width = <8>;
305		samsung,timing = <1 3 3>;
306		samsung,removable = <0>;
307	};
308
309	mmc@12210000 {
310		status = "disabled";
311	};
312
313	mmc@12220000 {
314		samsung,bus-width = <4>;
315		samsung,timing = <1 2 3>;
316		samsung,removable = <1>;
317	};
318
319	mmc@12230000 {
320		status = "disabled";
321	};
322
323	ehci@12110000 {
324		samsung,vbus-gpio = <&gpx1 1 GPIO_ACTIVE_HIGH>;
325		status = "okay";
326	};
327
328	xhci@12000000 {
329		samsung,vbus-gpio = <&gpx2 7 GPIO_ACTIVE_HIGH>;
330	};
331
332	tmu@10060000 {
333		samsung,min-temp	= <25>;
334		samsung,max-temp	= <125>;
335		samsung,start-warning	= <95>;
336		samsung,start-tripping	= <105>;
337		samsung,hw-tripping	= <110>;
338		samsung,efuse-min-value	= <40>;
339		samsung,efuse-value	= <55>;
340		samsung,efuse-max-value	= <100>;
341		samsung,slope		= <274761730>;
342		samsung,dc-value	= <25>;
343	};
344
345	fimd@14400000 {
346		samsung,vl-freq = <60>;
347		samsung,vl-col = <1366>;
348		samsung,vl-row = <768>;
349		samsung,vl-width = <1366>;
350		samsung,vl-height = <768>;
351
352		samsung,vl-clkp;
353		samsung,vl-dp;
354		samsung,vl-hsp;
355		samsung,vl-vsp;
356
357		samsung,vl-bpix = <4>;
358
359		samsung,vl-hspw = <32>;
360		samsung,vl-hbpd = <80>;
361		samsung,vl-hfpd = <48>;
362		samsung,vl-vspw = <5>;
363		samsung,vl-vbpd = <14>;
364		samsung,vl-vfpd = <3>;
365		samsung,vl-cmd-allow-len = <0xf>;
366
367		samsung,winid = <0>;
368		samsung,interface-mode = <1>;
369		samsung,dp-enabled = <1>;
370		samsung,dual-lcd-enabled = <0>;
371	};
372
373	dp@145b0000 {
374		samsung,lt-status = <0>;
375
376		samsung,master-mode = <0>;
377		samsung,bist-mode = <0>;
378		samsung,bist-pattern = <0>;
379		samsung,h-sync-polarity = <0>;
380		samsung,v-sync-polarity = <0>;
381		samsung,interlaced = <0>;
382		samsung,color-space = <0>;
383		samsung,dynamic-range = <0>;
384		samsung,ycbcr-coeff = <0>;
385		samsung,color-depth = <1>;
386		samsung,hpd-gpio = <&gpx0 7 GPIO_ACTIVE_HIGH>;
387
388		ports {
389			port@0 {
390				dp_out: endpoint {
391					remote-endpoint = <&bridge_in>;
392				};
393			};
394		};
395	};
396
397};
398
399&i2c_0 {
400	status = "okay";
401	samsung,i2c-sda-delay = <100>;
402	samsung,i2c-max-bus-freq = <378000>;
403
404	max77686: max77686@09 {
405		compatible = "maxim,max77686";
406		interrupt-parent = <&gpx3>;
407		interrupts = <2 IRQ_TYPE_NONE>;
408		wakeup-source;
409		reg = <0x09>;
410		#clock-cells = <1>;
411
412		voltage-regulators {
413			ldo1_reg: LDO1 {
414				regulator-name = "P1.0V_LDO_OUT1";
415				regulator-min-microvolt = <1000000>;
416				regulator-max-microvolt = <1000000>;
417				regulator-always-on;
418			};
419
420			ldo2_reg: LDO2 {
421				regulator-name = "P1.8V_LDO_OUT2";
422				regulator-min-microvolt = <1800000>;
423				regulator-max-microvolt = <1800000>;
424				regulator-always-on;
425			};
426
427			ldo3_reg: LDO3 {
428				regulator-name = "P1.8V_LDO_OUT3";
429				regulator-min-microvolt = <1800000>;
430				regulator-max-microvolt = <1800000>;
431				regulator-always-on;
432			};
433
434			ldo7_reg: LDO7 {
435				regulator-name = "P1.1V_LDO_OUT7";
436				regulator-min-microvolt = <1100000>;
437				regulator-max-microvolt = <1100000>;
438				regulator-always-on;
439			};
440
441			ldo8_reg: LDO8 {
442				regulator-name = "P1.0V_LDO_OUT8";
443				regulator-min-microvolt = <1000000>;
444				regulator-max-microvolt = <1000000>;
445				regulator-always-on;
446			};
447
448			ldo10_reg: LDO10 {
449				regulator-name = "P1.8V_LDO_OUT10";
450				regulator-min-microvolt = <1800000>;
451				regulator-max-microvolt = <1800000>;
452				regulator-always-on;
453			};
454
455			ldo12_reg: LDO12 {
456				regulator-name = "P3.0V_LDO_OUT12";
457				regulator-min-microvolt = <3000000>;
458				regulator-max-microvolt = <3000000>;
459				regulator-always-on;
460			};
461
462			ldo14_reg: LDO14 {
463				regulator-name = "P1.8V_LDO_OUT14";
464				regulator-min-microvolt = <1800000>;
465				regulator-max-microvolt = <1800000>;
466				regulator-always-on;
467			};
468
469			ldo15_reg: LDO15 {
470				regulator-name = "P1.0V_LDO_OUT15";
471				regulator-min-microvolt = <1000000>;
472				regulator-max-microvolt = <1000000>;
473				regulator-always-on;
474			};
475
476			ldo16_reg: LDO16 {
477				regulator-name = "P1.8V_LDO_OUT16";
478				regulator-min-microvolt = <1800000>;
479				regulator-max-microvolt = <1800000>;
480				regulator-always-on;
481			};
482
483			ldo17_reg: LDO17 {
484				regulator-name = "vdd_mydp";
485				regulator-min-microvolt = <1200000>;
486				regulator-max-microvolt = <1200000>;
487			};
488
489			buck1_reg: BUCK1 {
490				regulator-name = "vdd_mif";
491				regulator-min-microvolt = <950000>;
492				regulator-max-microvolt = <1300000>;
493				regulator-always-on;
494				regulator-boot-on;
495			};
496
497			buck2_reg: BUCK2 {
498				regulator-name = "vdd_arm";
499				regulator-min-microvolt = <850000>;
500				regulator-max-microvolt = <1350000>;
501				regulator-always-on;
502				regulator-boot-on;
503			};
504
505			buck3_reg: BUCK3 {
506				regulator-name = "vdd_int";
507				regulator-min-microvolt = <900000>;
508				regulator-max-microvolt = <1200000>;
509				regulator-always-on;
510				regulator-boot-on;
511			};
512
513			buck4_reg: BUCK4 {
514				regulator-name = "vdd_g3d";
515				regulator-min-microvolt = <850000>;
516				regulator-max-microvolt = <1300000>;
517				regulator-always-on;
518				regulator-boot-on;
519			};
520
521			buck5_reg: BUCK5 {
522				regulator-name = "P1.8V_BUCK_OUT5";
523				regulator-min-microvolt = <1800000>;
524				regulator-max-microvolt = <1800000>;
525				regulator-always-on;
526				regulator-boot-on;
527			};
528
529			buck6_reg: BUCK6 {
530				regulator-name = "P1.35V_BUCK_OUT6";
531				regulator-min-microvolt = <1350000>;
532				regulator-max-microvolt = <1350000>;
533				regulator-always-on;
534			};
535
536			buck7_reg: BUCK7 {
537				regulator-name = "P2.0V_BUCK_OUT7";
538				regulator-min-microvolt = <2000000>;
539				regulator-max-microvolt = <2000000>;
540				regulator-always-on;
541			};
542
543			buck8_reg: BUCK8 {
544				regulator-name = "P2.85V_BUCK_OUT8";
545				regulator-min-microvolt = <2850000>;
546				regulator-max-microvolt = <2850000>;
547				regulator-always-on;
548			};
549		};
550	};
551};
552
553#include "cros-ec-keyboard.dtsi"
554