summaryrefslogtreecommitdiff
path: root/arch/mips/boot/dts/ingenic/gcw0.dts
blob: bc72304a2440bf89090408317259c78571421cf2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
// SPDX-License-Identifier: GPL-2.0
/dts-v1/;

#include "jz4770.dtsi"
#include <dt-bindings/clock/ingenic,tcu.h>

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/iio/adc/ingenic,adc.h>
#include <dt-bindings/input/input.h>

/ {
	compatible = "gcw,zero", "ingenic,jz4770";
	model = "GCW Zero";

	aliases {
		serial0 = &uart0;
		serial1 = &uart1;
		serial2 = &uart2;
		serial3 = &uart3;
	};

	memory: memory {
		device_type = "memory";
		reg = <0x0 0x10000000>,
		      <0x30000000 0x10000000>;
	};

	chosen {
		stdout-path = "serial2:57600n8";
	};

	vcc: regulator@0 {
		compatible = "regulator-fixed";
		regulator-name = "vcc";

		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
	};

	mmc1_power: regulator@1 {
		compatible = "regulator-fixed";
		regulator-name = "mmc1_vcc";
		gpio = <&gpe 9 0>;

		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		vin-supply = <&vcc>;
	};

	headphones_amp: analog-amplifier@0 {
		compatible = "simple-audio-amplifier";
		enable-gpios = <&gpf 3 GPIO_ACTIVE_LOW>;
		enable-delay-ms = <50>;

		VCC-supply = <&ldo5>;
		sound-name-prefix = "Headphones Amp";
	};

	speaker_amp: analog-amplifier@1 {
		compatible = "simple-audio-amplifier";
		enable-gpios = <&gpf 20 GPIO_ACTIVE_HIGH>;

		VCC-supply = <&ldo5>;
		sound-name-prefix = "Speaker Amp";
	};

	sound {
		compatible = "simple-audio-card";

		simple-audio-card,name = "gcw0-audio";
		simple-audio-card,format = "i2s";

		simple-audio-card,widgets =
			"Speaker", "Speaker",
			"Headphone", "Headphones",
			"Line", "FM Radio",
			"Microphone", "Built-in Mic";
		simple-audio-card,routing =
			"Headphones Amp INL", "LHPOUT",
			"Headphones Amp INR", "RHPOUT",
			"Headphones", "Headphones Amp OUTL",
			"Headphones", "Headphones Amp OUTR",
			"Speaker Amp INL", "LOUT",
			"Speaker Amp INR", "ROUT",
			"Speaker", "Speaker Amp OUTL",
			"Speaker", "Speaker Amp OUTR",
			"LLINEIN", "FM Radio",
			"RLINEIN", "FM Radio",
			"Built-in Mic", "MICBIAS",
			"MIC1P", "Built-in Mic",
			"MIC1N", "Built-in Mic";
		simple-audio-card,pin-switches = "Speaker", "Headphones";

		simple-audio-card,hp-det-gpio = <&gpf 21 GPIO_ACTIVE_LOW>;
		simple-audio-card,aux-devs = <&speaker_amp>, <&headphones_amp>;

		simple-audio-card,bitclock-master = <&dai_codec>;
		simple-audio-card,frame-master = <&dai_codec>;

		dai_cpu: simple-audio-card,cpu {
			sound-dai = <&aic>;
		};

		dai_codec: simple-audio-card,codec {
			sound-dai = <&codec>;
		};
	};

	rumble {
		compatible = "pwm-vibrator";
		pwms = <&pwm 4 2000000 0>;
		pwm-names = "enable";

		pinctrl-names = "default";
		pinctrl-0 = <&pins_pwm4>;
	};

	backlight: backlight {
		compatible = "pwm-backlight";
		pwms = <&pwm 1 40000 0>;
		power-supply = <&vcc>;

		brightness-levels = <0 16 32 48 64 80 96 112 128
				     144 160 176 192 208 224 240 255>;
		default-brightness-level = <12>;

		pinctrl-names = "default";
		pinctrl-0 = <&pins_pwm1>;
	};

	gpio-keys {
		compatible = "gpio-keys";
		#address-cells = <1>;
		#size-cells = <0>;

		autorepeat;

		button@0 {
			label = "D-pad up";
			linux,code = <KEY_UP>;
			linux,can-disable;
			gpios = <&gpe 21 GPIO_ACTIVE_LOW>;
		};

		button@1 {
			label = "D-pad down";
			linux,code = <KEY_DOWN>;
			linux,can-disable;
			gpios = <&gpe 25 GPIO_ACTIVE_LOW>;
		};

		button@2 {
			label = "D-pad left";
			linux,code = <KEY_LEFT>;
			linux,can-disable;
			gpios = <&gpe 23 GPIO_ACTIVE_LOW>;
		};

		button@3 {
			label = "D-pad right";
			linux,code = <KEY_RIGHT>;
			linux,can-disable;
			gpios = <&gpe 24 GPIO_ACTIVE_LOW>;
		};

		button@4 {
			label = "Button A";
			linux,code = <KEY_LEFTCTRL>;
			linux,can-disable;
			gpios = <&gpe 29 GPIO_ACTIVE_LOW>;
		};

		button@5 {
			label = "Button B";
			linux,code = <KEY_LEFTALT>;
			linux,can-disable;
			gpios = <&gpe 20 GPIO_ACTIVE_LOW>;
		};

		button@6 {
			label = "Button Y";
			linux,code = <KEY_SPACE>;
			linux,can-disable;
			gpios = <&gpe 27 GPIO_ACTIVE_LOW>;
		};

		button@7 {
			label = "Button X";
			linux,code = <KEY_LEFTSHIFT>;
			linux,can-disable;
			gpios = <&gpe 28 GPIO_ACTIVE_LOW>;
		};

		button@8 {
			label = "Left shoulder button";
			linux,code = <KEY_TAB>;
			linux,can-disable;
			gpios = <&gpb 20 GPIO_ACTIVE_LOW>;
		};

		button@9 {
			label = "Right shoulder button";
			linux,code = <KEY_BACKSPACE>;
			linux,can-disable;
			gpios = <&gpe 26 GPIO_ACTIVE_LOW>;
		};

		button@10 {
			label = "Start button";
			linux,code = <KEY_ENTER>;
			linux,can-disable;
			gpios = <&gpb 21 GPIO_ACTIVE_LOW>;
		};

		button@11 {
			label = "Select button";
			linux,code = <KEY_ESC>;
			linux,can-disable;
			/*
			 * This is the only button that is active high,
			 * since it doubles as BOOT_SEL1.
			 */
			gpios = <&gpd 18 GPIO_ACTIVE_HIGH>;
		};

		button@12 {
			label = "Power slider";
			linux,code = <KEY_POWER>;
			linux,can-disable;
			gpios = <&gpa 30 GPIO_ACTIVE_LOW>;
			wakeup-source;
		};

		button@13 {
			label = "Power hold";
			linux,code = <KEY_PAUSE>;
			linux,can-disable;
			gpios = <&gpf 11 GPIO_ACTIVE_LOW>;
		};
	};

	i2c3: i2c-controller@3 {
		compatible = "i2c-gpio";
		#address-cells = <1>;
		#size-cells = <0>;

		sda-gpios = <&gpd 5 GPIO_ACTIVE_HIGH>;
		scl-gpios = <&gpd 4 GPIO_ACTIVE_HIGH>;
		i2c-gpio,delay-us = <2>; /* 250 kHz */

		act8600: pmic@5a {
			compatible = "active-semi,act8600";
			reg = <0x5a>;

			regulators {
				/* USB OTG */
				otg_vbus: SUDCDC_REG4 {
					/*
					 * 5.3V instead of 5.0V to compensate
					 * for the voltage drop of a diode
					 * between the regulator and the
					 * connector.
					 */
					regulator-min-microvolt = <5300000>;
					regulator-max-microvolt = <5300000>;
					inl-supply = <&vcc>;
				};

				/*
				 * When this is off, there is no sound, but also
				 * no USB networking.
				 */
				ldo5: LDO5 {
					regulator-min-microvolt = <2500000>;
					regulator-max-microvolt = <2500000>;
					inl-supply = <&vcc>;
				};

				/* LCD panel and FM radio */
				ldo6: LDO6 {
					regulator-min-microvolt = <3300000>;
					regulator-max-microvolt = <3300000>;
					inl-supply = <&vcc>;
				};

				/* ??? */
				LDO7 {
					regulator-min-microvolt = <3300000>;
					regulator-max-microvolt = <3300000>;
					/*regulator-always-on;*/
					inl-supply = <&vcc>;
				};

				/*
				 * The colors on the LCD are wrong when this is
				 * off. Which is strange, since the LCD panel
				 * data sheet only mentions a 3.3V input.
				 */
				LDO8 {
					regulator-min-microvolt = <1800000>;
					regulator-max-microvolt = <1800000>;
					regulator-always-on;
					inl-supply = <&vcc>;
				};

				/* RTC fixed 3.3V */
				LDO_REG9 {
					regulator-min-microvolt = <3300000>;
					regulator-max-microvolt = <3300000>;
					regulator-always-on;
					inl-supply = <&vcc>;
				};

				/* Unused fixed 1.2V */
				LDO_REG10 {
					inl-supply = <&vcc>;
				};
			};
		};
	};

	leds {
		compatible = "gpio-leds";

		led {
			gpios = <&gpb 30 GPIO_ACTIVE_LOW>;
			default-state = "on";
		};
	};

	spi {
		compatible = "spi-gpio";
		#address-cells = <1>;
		#size-cells = <0>;

		sck-gpios = <&gpe 15 GPIO_ACTIVE_HIGH>;
		mosi-gpios = <&gpe 17 GPIO_ACTIVE_HIGH>;
		cs-gpios = <&gpe 16 GPIO_ACTIVE_HIGH>;
		num-chipselects = <1>;

		nt39016@0 {
			compatible = "kingdisplay,kd035g6-54nt";
			reg = <0>;

			spi-max-frequency = <3125000>;
			spi-3wire;
			spi-cs-high;

			reset-gpios = <&gpe 2 GPIO_ACTIVE_LOW>;

			backlight = <&backlight>;
			power-supply = <&ldo6>;

			port {
				panel_input: endpoint {
					remote-endpoint = <&panel_output>;
				};
			};
		};
	};

	connector {
		compatible = "gpio-usb-b-connector", "usb-b-connector";
		label = "mini-USB";
		type = "mini";

		/*
		 * USB OTG is not yet working reliably, the ID detection
		 * mechanism tends to fry easily for unknown reasons.
		 * Until this is fixed, disable OTG by not providing the
		 * ID GPIO to the driver.
		 */
		//id-gpios = <&gpf 18 GPIO_ACTIVE_LOW>;

		vbus-gpios = <&gpb 5 GPIO_ACTIVE_HIGH>;
		vbus-supply = <&otg_vbus>;

		pinctrl-names = "default";
		pinctrl-0 = <&pins_otg>;

		port {
			usb_ep: endpoint {
				remote-endpoint = <&usb_otg_ep>;
			};
		};
	};
};

&ext {
	clock-frequency = <12000000>;
};

&pinctrl {
	pins_lcd: lcd {
		function = "lcd";
		groups = "lcd-24bit";
	};

	pins_uart2: uart2 {
		function = "uart2";
		groups = "uart2-data";
	};

	pins_mmc0: mmc0 {
		function = "mmc0";
		groups = "mmc0-1bit-a", "mmc0-4bit-a";
	};

	pins_mmc1: mmc1 {
		function = "mmc1";
		groups = "mmc1-1bit-d", "mmc1-4bit-d";
	};

	pins_otg: otg {
		otg-vbus-pin {
			function = "otg";
			groups = "otg-vbus";
		};

		vbus-pin {
			pins = "PB5";
			bias-disable;
		};
	};

	pins_pwm1: pwm1 {
		function = "pwm1";
		groups = "pwm1";
	};

	pins_pwm4: pwm4 {
		function = "pwm4";
		groups = "pwm4";
	};
};

&uart2 {
	pinctrl-names = "default";
	pinctrl-0 = <&pins_uart2>;

	status = "okay";
};

&cgu {
	/*
	 * Put high-speed peripherals under PLL1, such that we can change the
	 * PLL0 frequency on demand without having to suspend peripherals.
	 * We use a rate of 432 MHz, which is the least common multiple of
	 * 27 MHz (required by TV encoder) and 48 MHz (required by USB host).
	 * Put the GPU under PLL0 since we want a higher frequency.
	 * Use the 32 kHz oscillator as the parent of the RTC for a higher
	 * precision.
	 */
	assigned-clocks =
		<&cgu JZ4770_CLK_PLL1>,
		<&cgu JZ4770_CLK_GPU>,
		<&cgu JZ4770_CLK_RTC>,
		<&cgu JZ4770_CLK_UHC>,
		<&cgu JZ4770_CLK_LPCLK_MUX>,
		<&cgu JZ4770_CLK_MMC0_MUX>,
		<&cgu JZ4770_CLK_MMC1_MUX>;
	assigned-clock-parents =
		<0>,
		<&cgu JZ4770_CLK_PLL0>,
		<&cgu JZ4770_CLK_OSC32K>,
		<&cgu JZ4770_CLK_PLL1>,
		<&cgu JZ4770_CLK_PLL1>,
		<&cgu JZ4770_CLK_PLL1>,
		<&cgu JZ4770_CLK_PLL1>;
	assigned-clock-rates =
		<432000000>,
		<600000000>;
};

&uhc {
	/* The WiFi module is connected to the UHC. */
	status = "okay";
};

&tcu {
	/*
	 * 750 kHz for the system timer and clocksource, 12 MHz for the OST,
	 * and use RTC as the parent for the watchdog clock
	 */
	assigned-clocks = <&tcu TCU_CLK_TIMER0>, <&tcu TCU_CLK_TIMER2>,
			  <&tcu TCU_CLK_OST>, <&tcu TCU_CLK_WDT>;
	assigned-clock-parents = <0>, <0>, <0>, <&cgu JZ4770_CLK_RTC>;
	assigned-clock-rates = <750000>, <750000>, <12000000>;

	/* PWM1 is in use, so use channel #2 for the clocksource */
	ingenic,pwm-channels-mask = <0xfa>;
};

&usb_otg {
	port {
		usb_otg_ep: endpoint {
			remote-endpoint = <&usb_ep>;
		};
	};
};

&otg_phy {
	vcc-supply = <&ldo5>;
};

&rtc {
	clocks = <&cgu JZ4770_CLK_RTC>;
	clock-names = "rtc";

	system-power-controller;
};

&mmc0 {
	status = "okay";

	bus-width = <4>;
	max-frequency = <48000000>;
	vmmc-supply = <&vcc>;
	non-removable;

	pinctrl-names = "default";
	pinctrl-0 = <&pins_mmc0>;
};

&mmc1 {
	status = "okay";

	bus-width = <4>;
	max-frequency = <48000000>;
	cd-gpios = <&gpb 2 GPIO_ACTIVE_LOW>;
	vmmc-supply = <&mmc1_power>;

	pinctrl-names = "default";
	pinctrl-0 = <&pins_mmc1>;
};

&lcd {
	pinctrl-names = "default";
	pinctrl-0 = <&pins_lcd>;

	port {
		panel_output: endpoint {
			remote-endpoint = <&panel_input>;
		};
	};
};