aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-imx/mach-mx31_3ds.c
blob: ebcadd2e6be030f5373b8bfc62c73ecfcb4eae88 (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
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
/*
 *  Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include <linux/delay.h>
#include <linux/dma-mapping.h>
#include <linux/types.h>
#include <linux/init.h>
#include <linux/clk.h>
#include <linux/irq.h>
#include <linux/gpio.h>
#include <linux/platform_device.h>
#include <linux/mfd/mc13783.h>
#include <linux/spi/spi.h>
#include <linux/spi/l4f00242t03.h>
#include <linux/regulator/machine.h>
#include <linux/usb/otg.h>
#include <linux/usb/ulpi.h>
#include <linux/memblock.h>

#include <media/soc_camera.h>

#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/memory.h>
#include <asm/mach/map.h>
#include <asm/memblock.h>
#include <mach/common.h>
#include <mach/iomux-mx3.h>
#include <mach/3ds_debugboard.h>
#include <mach/ulpi.h>

#include "devices-imx31.h"

/* CPLD IRQ line for external uart, external ethernet etc */
#define EXPIO_PARENT_INT	IOMUX_TO_IRQ(MX31_PIN_GPIO1_1)

static int mx31_3ds_pins[] = {
	/* UART1 */
	MX31_PIN_CTS1__CTS1,
	MX31_PIN_RTS1__RTS1,
	MX31_PIN_TXD1__TXD1,
	MX31_PIN_RXD1__RXD1,
	IOMUX_MODE(MX31_PIN_GPIO1_1, IOMUX_CONFIG_GPIO),
	/*SPI0*/
	IOMUX_MODE(MX31_PIN_DSR_DCE1, IOMUX_CONFIG_ALT1),
	IOMUX_MODE(MX31_PIN_RI_DCE1, IOMUX_CONFIG_ALT1),
	/* SPI 1 */
	MX31_PIN_CSPI2_SCLK__SCLK,
	MX31_PIN_CSPI2_MOSI__MOSI,
	MX31_PIN_CSPI2_MISO__MISO,
	MX31_PIN_CSPI2_SPI_RDY__SPI_RDY,
	MX31_PIN_CSPI2_SS0__SS0,
	MX31_PIN_CSPI2_SS2__SS2, /*CS for MC13783 */
	/* MC13783 IRQ */
	IOMUX_MODE(MX31_PIN_GPIO1_3, IOMUX_CONFIG_GPIO),
	/* USB OTG reset */
	IOMUX_MODE(MX31_PIN_USB_PWR, IOMUX_CONFIG_GPIO),
	/* USB OTG */
	MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
	MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
	MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
	MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
	MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
	MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
	MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
	MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
	MX31_PIN_USBOTG_CLK__USBOTG_CLK,
	MX31_PIN_USBOTG_DIR__USBOTG_DIR,
	MX31_PIN_USBOTG_NXT__USBOTG_NXT,
	MX31_PIN_USBOTG_STP__USBOTG_STP,
	/*Keyboard*/
	MX31_PIN_KEY_ROW0_KEY_ROW0,
	MX31_PIN_KEY_ROW1_KEY_ROW1,
	MX31_PIN_KEY_ROW2_KEY_ROW2,
	MX31_PIN_KEY_COL0_KEY_COL0,
	MX31_PIN_KEY_COL1_KEY_COL1,
	MX31_PIN_KEY_COL2_KEY_COL2,
	MX31_PIN_KEY_COL3_KEY_COL3,
	/* USB Host 2 */
	IOMUX_MODE(MX31_PIN_USBH2_CLK, IOMUX_CONFIG_FUNC),
	IOMUX_MODE(MX31_PIN_USBH2_DIR, IOMUX_CONFIG_FUNC),
	IOMUX_MODE(MX31_PIN_USBH2_NXT, IOMUX_CONFIG_FUNC),
	IOMUX_MODE(MX31_PIN_USBH2_STP, IOMUX_CONFIG_FUNC),
	IOMUX_MODE(MX31_PIN_USBH2_DATA0, IOMUX_CONFIG_FUNC),
	IOMUX_MODE(MX31_PIN_USBH2_DATA1, IOMUX_CONFIG_FUNC),
	IOMUX_MODE(MX31_PIN_PC_VS2, IOMUX_CONFIG_ALT1),
	IOMUX_MODE(MX31_PIN_PC_BVD1, IOMUX_CONFIG_ALT1),
	IOMUX_MODE(MX31_PIN_PC_BVD2, IOMUX_CONFIG_ALT1),
	IOMUX_MODE(MX31_PIN_PC_RST, IOMUX_CONFIG_ALT1),
	IOMUX_MODE(MX31_PIN_IOIS16, IOMUX_CONFIG_ALT1),
	IOMUX_MODE(MX31_PIN_PC_RW_B, IOMUX_CONFIG_ALT1),
	/* USB Host2 reset */
	IOMUX_MODE(MX31_PIN_USB_BYP, IOMUX_CONFIG_GPIO),
	/* I2C1 */
	MX31_PIN_I2C_CLK__I2C1_SCL,
	MX31_PIN_I2C_DAT__I2C1_SDA,
	/* SDHC1 */
	MX31_PIN_SD1_DATA3__SD1_DATA3,
	MX31_PIN_SD1_DATA2__SD1_DATA2,
	MX31_PIN_SD1_DATA1__SD1_DATA1,
	MX31_PIN_SD1_DATA0__SD1_DATA0,
	MX31_PIN_SD1_CLK__SD1_CLK,
	MX31_PIN_SD1_CMD__SD1_CMD,
	MX31_PIN_GPIO3_1__GPIO3_1, /* Card detect */
	MX31_PIN_GPIO3_0__GPIO3_0, /* OE */
	/* Framebuffer */
	MX31_PIN_LD0__LD0,
	MX31_PIN_LD1__LD1,
	MX31_PIN_LD2__LD2,
	MX31_PIN_LD3__LD3,
	MX31_PIN_LD4__LD4,
	MX31_PIN_LD5__LD5,
	MX31_PIN_LD6__LD6,
	MX31_PIN_LD7__LD7,
	MX31_PIN_LD8__LD8,
	MX31_PIN_LD9__LD9,
	MX31_PIN_LD10__LD10,
	MX31_PIN_LD11__LD11,
	MX31_PIN_LD12__LD12,
	MX31_PIN_LD13__LD13,
	MX31_PIN_LD14__LD14,
	MX31_PIN_LD15__LD15,
	MX31_PIN_LD16__LD16,
	MX31_PIN_LD17__LD17,
	MX31_PIN_VSYNC3__VSYNC3,
	MX31_PIN_HSYNC__HSYNC,
	MX31_PIN_FPSHIFT__FPSHIFT,
	MX31_PIN_CONTRAST__CONTRAST,
	/* CSI */
	MX31_PIN_CSI_D6__CSI_D6,
	MX31_PIN_CSI_D7__CSI_D7,
	MX31_PIN_CSI_D8__CSI_D8,
	MX31_PIN_CSI_D9__CSI_D9,
	MX31_PIN_CSI_D10__CSI_D10,
	MX31_PIN_CSI_D11__CSI_D11,
	MX31_PIN_CSI_D12__CSI_D12,
	MX31_PIN_CSI_D13__CSI_D13,
	MX31_PIN_CSI_D14__CSI_D14,
	MX31_PIN_CSI_D15__CSI_D15,
	MX31_PIN_CSI_HSYNC__CSI_HSYNC,
	MX31_PIN_CSI_MCLK__CSI_MCLK,
	MX31_PIN_CSI_PIXCLK__CSI_PIXCLK,
	MX31_PIN_CSI_VSYNC__CSI_VSYNC,
	MX31_PIN_CSI_D5__GPIO3_5, /* CMOS PWDN */
	IOMUX_MODE(MX31_PIN_RI_DTE1, IOMUX_CONFIG_GPIO), /* CMOS reset */
	/* SSI */
	MX31_PIN_STXD4__STXD4,
	MX31_PIN_SRXD4__SRXD4,
	MX31_PIN_SCK4__SCK4,
	MX31_PIN_SFS4__SFS4,
};

/*
 * Camera support
 */
static phys_addr_t mx3_camera_base __initdata;
#define MX31_3DS_CAMERA_BUF_SIZE SZ_8M

#define MX31_3DS_GPIO_CAMERA_PW IOMUX_TO_GPIO(MX31_PIN_CSI_D5)
#define MX31_3DS_GPIO_CAMERA_RST IOMUX_TO_GPIO(MX31_PIN_RI_DTE1)

static struct gpio mx31_3ds_camera_gpios[] = {
	{ MX31_3DS_GPIO_CAMERA_PW, GPIOF_OUT_INIT_HIGH, "camera-power" },
	{ MX31_3DS_GPIO_CAMERA_RST, GPIOF_OUT_INIT_HIGH, "camera-reset" },
};

static const struct mx3_camera_pdata mx31_3ds_camera_pdata __initconst = {
	.flags = MX3_CAMERA_DATAWIDTH_10,
	.mclk_10khz = 2600,
};

static int __init mx31_3ds_init_camera(void)
{
	int dma, ret = -ENOMEM;
	struct platform_device *pdev =
		imx31_alloc_mx3_camera(&mx31_3ds_camera_pdata);

	if (IS_ERR(pdev))
		return PTR_ERR(pdev);

	if (!mx3_camera_base)
		goto err;

	dma = dma_declare_coherent_memory(&pdev->dev,
					mx3_camera_base, mx3_camera_base,
					MX31_3DS_CAMERA_BUF_SIZE,
					DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);

	if (!(dma & DMA_MEMORY_MAP))
		goto err;

	ret = platform_device_add(pdev);
	if (ret)
err:
		platform_device_put(pdev);

	return ret;
}

static int mx31_3ds_camera_power(struct device *dev, int on)
{
	/* enable or disable the camera */
	pr_debug("%s: %s the camera\n", __func__, on ? "ENABLE" : "DISABLE");
	gpio_set_value(MX31_3DS_GPIO_CAMERA_PW, on ? 0 : 1);

	if (!on)
		goto out;

	/* If enabled, give a reset impulse */
	gpio_set_value(MX31_3DS_GPIO_CAMERA_RST, 0);
	msleep(20);
	gpio_set_value(MX31_3DS_GPIO_CAMERA_RST, 1);
	msleep(100);

out:
	return 0;
}

static struct i2c_board_info mx31_3ds_i2c_camera = {
	I2C_BOARD_INFO("ov2640", 0x30),
};

static struct regulator_bulk_data mx31_3ds_camera_regs[] = {
	{ .supply = "cmos_vcore" },
	{ .supply = "cmos_2v8" },
};

static struct soc_camera_link iclink_ov2640 = {
	.bus_id		= 0,
	.board_info	= &mx31_3ds_i2c_camera,
	.i2c_adapter_id	= 0,
	.power		= mx31_3ds_camera_power,
	.regulators	= mx31_3ds_camera_regs,
	.num_regulators	= ARRAY_SIZE(mx31_3ds_camera_regs),
};

static struct platform_device mx31_3ds_ov2640 = {
	.name	= "soc-camera-pdrv",
	.id	= 0,
	.dev	= {
		.platform_data = &iclink_ov2640,
	},
};

/*
 * FB support
 */
static const struct fb_videomode fb_modedb[] = {
	{	/* 480x640 @ 60 Hz */
		.name		= "Epson-VGA",
		.refresh	= 60,
		.xres		= 480,
		.yres		= 640,
		.pixclock	= 41701,
		.left_margin	= 20,
		.right_margin	= 41,
		.upper_margin	= 10,
		.lower_margin	= 5,
		.hsync_len	= 20,
		.vsync_len	= 10,
		.sync		= FB_SYNC_OE_ACT_HIGH | FB_SYNC_CLK_INVERT,
		.vmode		= FB_VMODE_NONINTERLACED,
		.flag		= 0,
	},
};

static struct ipu_platform_data mx3_ipu_data = {
	.irq_base = MXC_IPU_IRQ_START,
};

static struct mx3fb_platform_data mx3fb_pdata __initdata = {
	.name		= "Epson-VGA",
	.mode		= fb_modedb,
	.num_modes	= ARRAY_SIZE(fb_modedb),
};

/* LCD */
static struct l4f00242t03_pdata mx31_3ds_l4f00242t03_pdata = {
	.reset_gpio		= IOMUX_TO_GPIO(MX31_PIN_LCS1),
	.data_enable_gpio	= IOMUX_TO_GPIO(MX31_PIN_SER_RS),
};

/*
 * Support for SD card slot in personality board
 */
#define MX31_3DS_GPIO_SDHC1_CD IOMUX_TO_GPIO(MX31_PIN_GPIO3_1)
#define MX31_3DS_GPIO_SDHC1_BE IOMUX_TO_GPIO(MX31_PIN_GPIO3_0)

static struct gpio mx31_3ds_sdhc1_gpios[] = {
	{ MX31_3DS_GPIO_SDHC1_CD, GPIOF_IN, "sdhc1-card-detect" },
	{ MX31_3DS_GPIO_SDHC1_BE, GPIOF_OUT_INIT_LOW, "sdhc1-bus-en" },
};

static int mx31_3ds_sdhc1_init(struct device *dev,
			       irq_handler_t detect_irq,
			       void *data)
{
	int ret;

	ret = gpio_request_array(mx31_3ds_sdhc1_gpios,
				 ARRAY_SIZE(mx31_3ds_sdhc1_gpios));
	if (ret) {
		pr_warning("Unable to request the SD/MMC GPIOs.\n");
		return ret;
	}

	ret = request_irq(IOMUX_TO_IRQ(MX31_PIN_GPIO3_1),
			  detect_irq, IRQF_DISABLED |
			  IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
			  "sdhc1-detect", data);
	if (ret) {
		pr_warning("Unable to request the SD/MMC card-detect IRQ.\n");
		goto gpio_free;
	}

	return 0;

gpio_free:
	gpio_free_array(mx31_3ds_sdhc1_gpios,
			ARRAY_SIZE(mx31_3ds_sdhc1_gpios));
	return ret;
}

static void mx31_3ds_sdhc1_exit(struct device *dev, void *data)
{
	free_irq(IOMUX_TO_IRQ(MX31_PIN_GPIO3_1), data);
	gpio_free_array(mx31_3ds_sdhc1_gpios,
			 ARRAY_SIZE(mx31_3ds_sdhc1_gpios));
}

static void mx31_3ds_sdhc1_setpower(struct device *dev, unsigned int vdd)
{
	/*
	 * While the voltage stuff is done by the driver, activate the
	 * Buffer Enable Pin only if there is a card in slot to fix the card
	 * voltage issue caused by bi-directional chip TXB0108 on 3Stack.
	 * Done here because at this stage we have for sure a debounced value
	 * of the presence of the card, showed by the value of vdd.
	 * 7 == ilog2(MMC_VDD_165_195)
	 */
	if (vdd > 7)
		gpio_set_value(MX31_3DS_GPIO_SDHC1_BE, 1);
	else
		gpio_set_value(MX31_3DS_GPIO_SDHC1_BE, 0);
}

static struct imxmmc_platform_data sdhc1_pdata = {
	.init		= mx31_3ds_sdhc1_init,
	.exit		= mx31_3ds_sdhc1_exit,
	.setpower	= mx31_3ds_sdhc1_setpower,
};

/*
 * Matrix keyboard
 */

static const uint32_t mx31_3ds_keymap[] = {
	KEY(0, 0, KEY_UP),
	KEY(0, 1, KEY_DOWN),
	KEY(1, 0, KEY_RIGHT),
	KEY(1, 1, KEY_LEFT),
	KEY(1, 2, KEY_ENTER),
	KEY(2, 0, KEY_F6),
	KEY(2, 1, KEY_F8),
	KEY(2, 2, KEY_F9),
	KEY(2, 3, KEY_F10),
};

static const struct matrix_keymap_data mx31_3ds_keymap_data __initconst = {
	.keymap		= mx31_3ds_keymap,
	.keymap_size	= ARRAY_SIZE(mx31_3ds_keymap),
};

/* Regulators */
static struct regulator_init_data pwgtx_init = {
	.constraints = {
		.boot_on	= 1,
		.always_on	= 1,
	},
};

static struct regulator_init_data gpo_init = {
	.constraints = {
		.boot_on = 1,
		.always_on = 1,
	}
};

static struct regulator_consumer_supply vmmc2_consumers[] = {
	REGULATOR_SUPPLY("vmmc", "mxc-mmc.0"),
};

static struct regulator_init_data vmmc2_init = {
	.constraints = {
		.min_uV = 3000000,
		.max_uV = 3000000,
		.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
				  REGULATOR_CHANGE_STATUS,
	},
	.num_consumer_supplies = ARRAY_SIZE(vmmc2_consumers),
	.consumer_supplies = vmmc2_consumers,
};

static struct regulator_consumer_supply vmmc1_consumers[] = {
	REGULATOR_SUPPLY("vcore", "spi0.0"),
	REGULATOR_SUPPLY("cmos_2v8", "soc-camera-pdrv.0"),
};

static struct regulator_init_data vmmc1_init = {
	.constraints = {
		.min_uV = 2800000,
		.max_uV = 2800000,
		.apply_uV = 1,
		.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
				  REGULATOR_CHANGE_STATUS,
	},
	.num_consumer_supplies = ARRAY_SIZE(vmmc1_consumers),
	.consumer_supplies = vmmc1_consumers,
};

static struct regulator_consumer_supply vgen_consumers[] = {
	REGULATOR_SUPPLY("vdd", "spi0.0"),
};

static struct regulator_init_data vgen_init = {
	.constraints = {
		.min_uV = 1800000,
		.max_uV = 1800000,
		.apply_uV = 1,
		.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
				  REGULATOR_CHANGE_STATUS,
	},
	.num_consumer_supplies = ARRAY_SIZE(vgen_consumers),
	.consumer_supplies = vgen_consumers,
};

static struct regulator_consumer_supply vvib_consumers[] = {
	REGULATOR_SUPPLY("cmos_vcore", "soc-camera-pdrv.0"),
};

static struct regulator_init_data vvib_init = {
	.constraints = {
		.min_uV = 1300000,
		.max_uV = 1300000,
		.apply_uV = 1,
		.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
				  REGULATOR_CHANGE_STATUS,
	},
	.num_consumer_supplies = ARRAY_SIZE(vvib_consumers),
	.consumer_supplies = vvib_consumers,
};

static struct mc13xxx_regulator_init_data mx31_3ds_regulators[] = {
	{
		.id = MC13783_REG_PWGT1SPI, /* Power Gate for ARM core. */
		.init_data = &pwgtx_init,
	}, {
		.id = MC13783_REG_PWGT2SPI, /* Power Gate for L2 Cache. */
		.init_data = &pwgtx_init,
	}, {

		.id = MC13783_REG_GPO1, /* Turn on 1.8V */
		.init_data = &gpo_init,
	}, {
		.id = MC13783_REG_GPO3, /* Turn on 3.3V */
		.init_data = &gpo_init,
	}, {
		.id = MC13783_REG_VMMC2, /* Power MMC/SD, WiFi/Bluetooth. */
		.init_data = &vmmc2_init,
	}, {
		.id = MC13783_REG_VMMC1, /* Power LCD, CMOS, FM, GPS, Accel. */
		.init_data = &vmmc1_init,
	}, {
		.id = MC13783_REG_VGEN,  /* Power LCD */
		.init_data = &vgen_init,
	}, {
		.id = MC13783_REG_VVIB,  /* Power CMOS */
		.init_data = &vvib_init,
	},
};

/* MC13783 */
static struct mc13xxx_codec_platform_data mx31_3ds_codec = {
	.dac_ssi_port = MC13783_SSI1_PORT,
	.adc_ssi_port = MC13783_SSI1_PORT,
};

static struct mc13xxx_platform_data mc13783_pdata = {
	.regulators = {
		.regulators = mx31_3ds_regulators,
		.num_regulators = ARRAY_SIZE(mx31_3ds_regulators),
	},
	.codec = &mx31_3ds_codec,
	.flags  = MC13XXX_USE_TOUCHSCREEN | MC13XXX_USE_RTC | MC13XXX_USE_CODEC,

};

static struct imx_ssi_platform_data mx31_3ds_ssi_pdata = {
	.flags = IMX_SSI_DMA | IMX_SSI_NET,
};

/* SPI */
static int spi0_internal_chipselect[] = {
	MXC_SPI_CS(2),
};

static const struct spi_imx_master spi0_pdata __initconst = {
	.chipselect	= spi0_internal_chipselect,
	.num_chipselect	= ARRAY_SIZE(spi0_internal_chipselect),
};

static int spi1_internal_chipselect[] = {
	MXC_SPI_CS(0),
	MXC_SPI_CS(2),
};

static const struct spi_imx_master spi1_pdata __initconst = {
	.chipselect	= spi1_internal_chipselect,
	.num_chipselect	= ARRAY_SIZE(spi1_internal_chipselect),
};

static struct spi_board_info mx31_3ds_spi_devs[] __initdata = {
	{
		.modalias	= "mc13783",
		.max_speed_hz	= 1000000,
		.bus_num	= 1,
		.chip_select	= 1, /* SS2 */
		.platform_data	= &mc13783_pdata,
		.irq		= IOMUX_TO_IRQ(MX31_PIN_GPIO1_3),
		.mode = SPI_CS_HIGH,
	}, {
		.modalias	= "l4f00242t03",
		.max_speed_hz	= 5000000,
		.bus_num	= 0,
		.chip_select	= 0, /* SS2 */
		.platform_data	= &mx31_3ds_l4f00242t03_pdata,
	},
};

/*
 * NAND Flash
 */
static const struct mxc_nand_platform_data
mx31_3ds_nand_board_info __initconst = {
	.width		= 1,
	.hw_ecc		= 1,
#ifdef CONFIG_MACH_MX31_3DS_MXC_NAND_USE_BBT
	.flash_bbt	= 1,
#endif
};

/*
 * USB OTG
 */

#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
		     PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)

#define USBOTG_RST_B IOMUX_TO_GPIO(MX31_PIN_USB_PWR)
#define USBH2_RST_B IOMUX_TO_GPIO(MX31_PIN_USB_BYP)

static int mx31_3ds_usbotg_init(void)
{
	int err;

	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG);

	err = gpio_request(USBOTG_RST_B, "otgusb-reset");
	if (err) {
		pr_err("Failed to request the USB OTG reset gpio\n");
		return err;
	}

	err = gpio_direction_output(USBOTG_RST_B, 0);
	if (err) {
		pr_err("Failed to drive the USB OTG reset gpio\n");
		goto usbotg_free_reset;
	}

	mdelay(1);
	gpio_set_value(USBOTG_RST_B, 1);
	return 0;

usbotg_free_reset:
	gpio_free(USBOTG_RST_B);
	return err;
}

static int mx31_3ds_otg_init(struct platform_device *pdev)
{
	return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
}

static int mx31_3ds_host2_init(struct platform_device *pdev)
{
	int err;

	mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_PC_VS2, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_PC_BVD1, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_PC_BVD2, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_PC_RST, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_IOIS16, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_PC_RW_B, USB_PAD_CFG);

	err = gpio_request(USBH2_RST_B, "usbh2-reset");
	if (err) {
		pr_err("Failed to request the USB Host 2 reset gpio\n");
		return err;
	}

	err = gpio_direction_output(USBH2_RST_B, 0);
	if (err) {
		pr_err("Failed to drive the USB Host 2 reset gpio\n");
		goto usbotg_free_reset;
	}

	mdelay(1);
	gpio_set_value(USBH2_RST_B, 1);

	mdelay(10);

	return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);

usbotg_free_reset:
	gpio_free(USBH2_RST_B);
	return err;
}

static struct mxc_usbh_platform_data otg_pdata __initdata = {
	.init	= mx31_3ds_otg_init,
	.portsc	= MXC_EHCI_MODE_ULPI,
};

static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
	.init = mx31_3ds_host2_init,
	.portsc	= MXC_EHCI_MODE_ULPI,
};

static const struct fsl_usb2_platform_data usbotg_pdata __initconst = {
	.operating_mode = FSL_USB2_DR_DEVICE,
	.phy_mode	= FSL_USB2_PHY_ULPI,
};

static bool otg_mode_host __initdata;

static int __init mx31_3ds_otg_mode(char *options)
{
	if (!strcmp(options, "host"))
		otg_mode_host = true;
	else if (!strcmp(options, "device"))
		otg_mode_host = false;
	else
		pr_info("otg_mode neither \"host\" nor \"device\". "
			"Defaulting to device\n");
	return 1;
}
__setup("otg_mode=", mx31_3ds_otg_mode);

static const struct imxuart_platform_data uart_pdata __initconst = {
	.flags = IMXUART_HAVE_RTSCTS,
};

static const struct imxi2c_platform_data mx31_3ds_i2c0_data __initconst = {
	.bitrate = 100000,
};

static struct platform_device *devices[] __initdata = {
	&mx31_3ds_ov2640,
};

static void __init mx31_3ds_init(void)
{
	int ret;

	imx31_soc_init();

	/* Configure SPI1 IOMUX */
	mxc_iomux_set_gpr(MUX_PGP_CSPI_BB, true);

	mxc_iomux_setup_multiple_pins(mx31_3ds_pins, ARRAY_SIZE(mx31_3ds_pins),
				      "mx31_3ds");

	imx31_add_imx_uart0(&uart_pdata);
	imx31_add_mxc_nand(&mx31_3ds_nand_board_info);

	imx31_add_spi_imx1(&spi1_pdata);
	spi_register_board_info(mx31_3ds_spi_devs,
						ARRAY_SIZE(mx31_3ds_spi_devs));

	platform_add_devices(devices, ARRAY_SIZE(devices));

	imx31_add_imx_keypad(&mx31_3ds_keymap_data);

	mx31_3ds_usbotg_init();
	if (otg_mode_host) {
		otg_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
				ULPI_OTG_DRVVBUS_EXT);
		if (otg_pdata.otg)
			imx31_add_mxc_ehci_otg(&otg_pdata);
	}
	usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
			ULPI_OTG_DRVVBUS_EXT);
	if (usbh2_pdata.otg)
		imx31_add_mxc_ehci_hs(2, &usbh2_pdata);

	if (!otg_mode_host)
		imx31_add_fsl_usb2_udc(&usbotg_pdata);

	if (mxc_expio_init(MX31_CS5_BASE_ADDR, EXPIO_PARENT_INT))
		printk(KERN_WARNING "Init of the debug board failed, all "
				    "devices on the debug board are unusable.\n");
	imx31_add_imx2_wdt(NULL);
	imx31_add_imx_i2c0(&mx31_3ds_i2c0_data);
	imx31_add_mxc_mmc(0, &sdhc1_pdata);

	imx31_add_spi_imx0(&spi0_pdata);
	imx31_add_ipu_core(&mx3_ipu_data);
	imx31_add_mx3_sdc_fb(&mx3fb_pdata);

	/* CSI */
	/* Camera power: default - off */
	ret = gpio_request_array(mx31_3ds_camera_gpios,
				 ARRAY_SIZE(mx31_3ds_camera_gpios));
	if (ret) {
		pr_err("Failed to request camera gpios");
		iclink_ov2640.power = NULL;
	}

	mx31_3ds_init_camera();

	imx31_add_imx_ssi(0, &mx31_3ds_ssi_pdata);

	imx_add_platform_device("imx_mc13783", 0, NULL, 0, NULL, 0);
}

static void __init mx31_3ds_timer_init(void)
{
	mx31_clocks_init(26000000);
}

static struct sys_timer mx31_3ds_timer = {
	.init	= mx31_3ds_timer_init,
};

static void __init mx31_3ds_reserve(void)
{
	/* reserve MX31_3DS_CAMERA_BUF_SIZE bytes for mx3-camera */
	mx3_camera_base = arm_memblock_steal(MX31_3DS_CAMERA_BUF_SIZE,
					 MX31_3DS_CAMERA_BUF_SIZE);
}

MACHINE_START(MX31_3DS, "Freescale MX31PDK (3DS)")
	/* Maintainer: Freescale Semiconductor, Inc. */
	.atag_offset = 0x100,
	.map_io = mx31_map_io,
	.init_early = imx31_init_early,
	.init_irq = mx31_init_irq,
	.handle_irq = imx31_handle_irq,
	.timer = &mx31_3ds_timer,
	.init_machine = mx31_3ds_init,
	.reserve = mx31_3ds_reserve,
	.restart	= mxc_restart,
MACHINE_END