summaryrefslogtreecommitdiff
path: root/arch/arm/mach-davinci/board-dm646x-evm.c
blob: 952ddabc743e088fae95db59f53b211f5b297142 (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
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
/*
 * TI DaVinci DM646X EVM board
 *
 * Derived from: arch/arm/mach-davinci/board-evm.c
 * Copyright (C) 2006 Texas Instruments.
 *
 * (C) 2007-2008, MontaVista Software, Inc.
 *
 * This file is licensed under the terms of the GNU General Public License
 * version 2. This program is licensed "as is" without any warranty of any
 * kind, whether express or implied.
 *
 */

/**************************************************************************
 * Included Files
 **************************************************************************/

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/leds.h>
#include <linux/gpio.h>
#include <linux/platform_device.h>
#include <linux/i2c.h>
#include <linux/property.h>
#include <linux/platform_data/pcf857x.h>
#include <linux/platform_data/ti-aemif.h>

#include <media/i2c/tvp514x.h>
#include <media/i2c/adv7343.h>

#include <linux/mtd/mtd.h>
#include <linux/mtd/rawnand.h>
#include <linux/mtd/partitions.h>
#include <linux/nvmem-provider.h>
#include <linux/clk.h>
#include <linux/export.h>
#include <linux/platform_data/gpio-davinci.h>
#include <linux/platform_data/i2c-davinci.h>
#include <linux/platform_data/mtd-davinci.h>
#include <linux/platform_data/mtd-davinci-aemif.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>

#include <mach/common.h>
#include <mach/serial.h>

#include "davinci.h"
#include "irqs.h"

#define NAND_BLOCK_SIZE		SZ_128K

/* Note: We are setting first partition as 'bootloader' constituting UBL, U-Boot
 * and U-Boot environment this avoids dependency on any particular combination
 * of UBL, U-Boot or flashing tools etc.
 */
static struct mtd_partition davinci_nand_partitions[] = {
	{
		/* UBL, U-Boot with environment */
		.name		= "bootloader",
		.offset		= MTDPART_OFS_APPEND,
		.size		= 16 * NAND_BLOCK_SIZE,
		.mask_flags	= MTD_WRITEABLE,	/* force read-only */
	}, {
		.name		= "kernel",
		.offset		= MTDPART_OFS_APPEND,
		.size		= SZ_4M,
		.mask_flags	= 0,
	}, {
		.name		= "filesystem",
		.offset		= MTDPART_OFS_APPEND,
		.size		= MTDPART_SIZ_FULL,
		.mask_flags	= 0,
	}
};

static struct davinci_aemif_timing dm6467tevm_nandflash_timing = {
	.wsetup		= 29,
	.wstrobe	= 24,
	.whold		= 14,
	.rsetup		= 19,
	.rstrobe	= 33,
	.rhold		= 0,
	.ta		= 29,
};

static struct davinci_nand_pdata davinci_nand_data = {
	.core_chipsel		= 0,
	.mask_cle 		= 0x80000,
	.mask_ale 		= 0x40000,
	.parts			= davinci_nand_partitions,
	.nr_parts		= ARRAY_SIZE(davinci_nand_partitions),
	.engine_type		= NAND_ECC_ENGINE_TYPE_ON_HOST,
	.ecc_bits		= 1,
	.options		= 0,
};

static struct resource davinci_nand_resources[] = {
	{
		.start		= DM646X_ASYNC_EMIF_CS2_SPACE_BASE,
		.end		= DM646X_ASYNC_EMIF_CS2_SPACE_BASE + SZ_32M - 1,
		.flags		= IORESOURCE_MEM,
	}, {
		.start		= DM646X_ASYNC_EMIF_CONTROL_BASE,
		.end		= DM646X_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
		.flags		= IORESOURCE_MEM,
	},
};

static struct platform_device davinci_aemif_devices[] = {
	{
		.name		= "davinci_nand",
		.id		= 0,
		.num_resources	= ARRAY_SIZE(davinci_nand_resources),
		.resource	= davinci_nand_resources,
		.dev		= {
			.platform_data	= &davinci_nand_data,
		},
	},
};

static struct resource davinci_aemif_resources[] = {
	{
		.start	= DM646X_ASYNC_EMIF_CONTROL_BASE,
		.end	= DM646X_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
		.flags	= IORESOURCE_MEM,
	},
};

static struct aemif_abus_data davinci_aemif_abus_data[] = {
	{
		.cs	= 1,
	},
};

static struct aemif_platform_data davinci_aemif_pdata = {
	.abus_data		= davinci_aemif_abus_data,
	.num_abus_data		= ARRAY_SIZE(davinci_aemif_abus_data),
	.sub_devices		= davinci_aemif_devices,
	.num_sub_devices	= ARRAY_SIZE(davinci_aemif_devices),
};

static struct platform_device davinci_aemif_device = {
	.name		= "ti-aemif",
	.id		= -1,
	.dev = {
		.platform_data	= &davinci_aemif_pdata,
	},
	.resource	= davinci_aemif_resources,
	.num_resources	= ARRAY_SIZE(davinci_aemif_resources),
};

#define HAS_ATA		(IS_ENABLED(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \
			 IS_ENABLED(CONFIG_PATA_BK3710))

#ifdef CONFIG_I2C
/* CPLD Register 0 bits to control ATA */
#define DM646X_EVM_ATA_RST		BIT(0)
#define DM646X_EVM_ATA_PWD		BIT(1)

/* CPLD Register 0 Client: used for I/O Control */
static int cpld_reg0_probe(struct i2c_client *client)
{
	if (HAS_ATA) {
		u8 data;
		struct i2c_msg msg[2] = {
			{
				.addr = client->addr,
				.flags = I2C_M_RD,
				.len = 1,
				.buf = &data,
			},
			{
				.addr = client->addr,
				.flags = 0,
				.len = 1,
				.buf = &data,
			},
		};

		/* Clear ATA_RSTn and ATA_PWD bits to enable ATA operation. */
		i2c_transfer(client->adapter, msg, 1);
		data &= ~(DM646X_EVM_ATA_RST | DM646X_EVM_ATA_PWD);
		i2c_transfer(client->adapter, msg + 1, 1);
	}

	return 0;
}

static const struct i2c_device_id cpld_reg_ids[] = {
	{ "cpld_reg0", 0, },
	{ },
};

static struct i2c_driver dm6467evm_cpld_driver = {
	.driver.name	= "cpld_reg0",
	.id_table	= cpld_reg_ids,
	.probe_new	= cpld_reg0_probe,
};

/* LEDS */

static struct gpio_led evm_leds[] = {
	{ .name = "DS1", .active_low = 1, },
	{ .name = "DS2", .active_low = 1, },
	{ .name = "DS3", .active_low = 1, },
	{ .name = "DS4", .active_low = 1, },
};

static const struct gpio_led_platform_data evm_led_data = {
	.num_leds = ARRAY_SIZE(evm_leds),
	.leds     = evm_leds,
};

static struct platform_device *evm_led_dev;

static int evm_led_setup(struct i2c_client *client, int gpio,
			unsigned int ngpio, void *c)
{
	struct gpio_led *leds = evm_leds;
	int status;

	while (ngpio--) {
		leds->gpio = gpio++;
		leds++;
	}

	evm_led_dev = platform_device_alloc("leds-gpio", 0);
	platform_device_add_data(evm_led_dev, &evm_led_data,
				sizeof(evm_led_data));

	evm_led_dev->dev.parent = &client->dev;
	status = platform_device_add(evm_led_dev);
	if (status < 0) {
		platform_device_put(evm_led_dev);
		evm_led_dev = NULL;
	}
	return status;
}

static int evm_led_teardown(struct i2c_client *client, int gpio,
				unsigned ngpio, void *c)
{
	if (evm_led_dev) {
		platform_device_unregister(evm_led_dev);
		evm_led_dev = NULL;
	}
	return 0;
}

static int evm_sw_gpio[4] = { -EINVAL, -EINVAL, -EINVAL, -EINVAL };

static int evm_sw_setup(struct i2c_client *client, int gpio,
			unsigned ngpio, void *c)
{
	int status;
	int i;
	char label[10];

	for (i = 0; i < 4; ++i) {
		snprintf(label, 10, "user_sw%d", i);
		status = gpio_request(gpio, label);
		if (status)
			goto out_free;
		evm_sw_gpio[i] = gpio++;

		status = gpio_direction_input(evm_sw_gpio[i]);
		if (status)
			goto out_free;

		status = gpio_export(evm_sw_gpio[i], 0);
		if (status)
			goto out_free;
	}
	return 0;

out_free:
	for (i = 0; i < 4; ++i) {
		if (evm_sw_gpio[i] != -EINVAL) {
			gpio_free(evm_sw_gpio[i]);
			evm_sw_gpio[i] = -EINVAL;
		}
	}
	return status;
}

static int evm_sw_teardown(struct i2c_client *client, int gpio,
			unsigned ngpio, void *c)
{
	int i;

	for (i = 0; i < 4; ++i) {
		if (evm_sw_gpio[i] != -EINVAL) {
			gpio_unexport(evm_sw_gpio[i]);
			gpio_free(evm_sw_gpio[i]);
			evm_sw_gpio[i] = -EINVAL;
		}
	}
	return 0;
}

static int evm_pcf_setup(struct i2c_client *client, int gpio,
			unsigned int ngpio, void *c)
{
	int status;

	if (ngpio < 8)
		return -EINVAL;

	status = evm_sw_setup(client, gpio, 4, c);
	if (status)
		return status;

	return evm_led_setup(client, gpio+4, 4, c);
}

static int evm_pcf_teardown(struct i2c_client *client, int gpio,
			unsigned int ngpio, void *c)
{
	BUG_ON(ngpio < 8);

	evm_sw_teardown(client, gpio, 4, c);
	evm_led_teardown(client, gpio+4, 4, c);

	return 0;
}

static struct pcf857x_platform_data pcf_data = {
	.gpio_base	= DAVINCI_N_GPIO+1,
	.setup		= evm_pcf_setup,
	.teardown	= evm_pcf_teardown,
};

/* Most of this EEPROM is unused, but U-Boot uses some data:
 *  - 0x7f00, 6 bytes Ethernet Address
 *  - ... newer boards may have more
 */

static struct nvmem_cell_info dm646x_evm_nvmem_cells[] = {
	{
		.name		= "macaddr",
		.offset		= 0x7f00,
		.bytes		= ETH_ALEN,
	}
};

static struct nvmem_cell_table dm646x_evm_nvmem_cell_table = {
	.nvmem_name	= "1-00500",
	.cells		= dm646x_evm_nvmem_cells,
	.ncells		= ARRAY_SIZE(dm646x_evm_nvmem_cells),
};

static struct nvmem_cell_lookup dm646x_evm_nvmem_cell_lookup = {
	.nvmem_name	= "1-00500",
	.cell_name	= "macaddr",
	.dev_id		= "davinci_emac.1",
	.con_id		= "mac-address",
};

static const struct property_entry eeprom_properties[] = {
	PROPERTY_ENTRY_U32("pagesize", 64),
	{ }
};
#endif

static u8 dm646x_iis_serializer_direction[] = {
       TX_MODE, RX_MODE, INACTIVE_MODE, INACTIVE_MODE,
};

static u8 dm646x_dit_serializer_direction[] = {
       TX_MODE,
};

static struct snd_platform_data dm646x_evm_snd_data[] = {
	{
		.tx_dma_offset  = 0x400,
		.rx_dma_offset  = 0x400,
		.op_mode        = DAVINCI_MCASP_IIS_MODE,
		.num_serializer = ARRAY_SIZE(dm646x_iis_serializer_direction),
		.tdm_slots      = 2,
		.serial_dir     = dm646x_iis_serializer_direction,
		.asp_chan_q     = EVENTQ_0,
	},
	{
		.tx_dma_offset  = 0x400,
		.rx_dma_offset  = 0,
		.op_mode        = DAVINCI_MCASP_DIT_MODE,
		.num_serializer = ARRAY_SIZE(dm646x_dit_serializer_direction),
		.tdm_slots      = 32,
		.serial_dir     = dm646x_dit_serializer_direction,
		.asp_chan_q     = EVENTQ_0,
	},
};

#ifdef CONFIG_I2C
static struct i2c_client *cpld_client;

static int cpld_video_probe(struct i2c_client *client)
{
	cpld_client = client;
	return 0;
}

static int cpld_video_remove(struct i2c_client *client)
{
	cpld_client = NULL;
	return 0;
}

static const struct i2c_device_id cpld_video_id[] = {
	{ "cpld_video", 0 },
	{ }
};

static struct i2c_driver cpld_video_driver = {
	.driver = {
		.name	= "cpld_video",
	},
	.probe_new	= cpld_video_probe,
	.remove		= cpld_video_remove,
	.id_table	= cpld_video_id,
};

static void evm_init_cpld(void)
{
	i2c_add_driver(&cpld_video_driver);
}

static struct i2c_board_info __initdata i2c_info[] =  {
	{
		I2C_BOARD_INFO("24c256", 0x50),
		.properties  = eeprom_properties,
	},
	{
		I2C_BOARD_INFO("pcf8574a", 0x38),
		.platform_data	= &pcf_data,
	},
	{
		I2C_BOARD_INFO("cpld_reg0", 0x3a),
	},
	{
		I2C_BOARD_INFO("tlv320aic33", 0x18),
	},
	{
		I2C_BOARD_INFO("cpld_video", 0x3b),
	},
};

static struct davinci_i2c_platform_data i2c_pdata = {
	.bus_freq       = 100 /* kHz */,
	.bus_delay      = 0 /* usec */,
};

#define VCH2CLK_MASK		(BIT_MASK(10) | BIT_MASK(9) | BIT_MASK(8))
#define VCH2CLK_SYSCLK8		(BIT(9))
#define VCH2CLK_AUXCLK		(BIT(9) | BIT(8))
#define VCH3CLK_MASK		(BIT_MASK(14) | BIT_MASK(13) | BIT_MASK(12))
#define VCH3CLK_SYSCLK8		(BIT(13))
#define VCH3CLK_AUXCLK		(BIT(14) | BIT(13))

#define VIDCH2CLK		(BIT(10))
#define VIDCH3CLK		(BIT(11))
#define VIDCH1CLK		(BIT(4))
#define TVP7002_INPUT		(BIT(4))
#define TVP5147_INPUT		(~BIT(4))
#define VPIF_INPUT_ONE_CHANNEL	(BIT(5))
#define VPIF_INPUT_TWO_CHANNEL	(~BIT(5))
#define TVP5147_CH0		"tvp514x-0"
#define TVP5147_CH1		"tvp514x-1"

/* spin lock for updating above registers */
static spinlock_t vpif_reg_lock;

static int set_vpif_clock(int mux_mode, int hd)
{
	unsigned long flags;
	unsigned int value;
	int val = 0;
	int err = 0;

	if (!cpld_client)
		return -ENXIO;

	/* disable the clock */
	spin_lock_irqsave(&vpif_reg_lock, flags);
	value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
	value |= (VIDCH3CLK | VIDCH2CLK);
	__raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
	spin_unlock_irqrestore(&vpif_reg_lock, flags);

	val = i2c_smbus_read_byte(cpld_client);
	if (val < 0)
		return val;

	if (mux_mode == 1)
		val &= ~0x40;
	else
		val |= 0x40;

	err = i2c_smbus_write_byte(cpld_client, val);
	if (err)
		return err;

	value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
	value &= ~(VCH2CLK_MASK);
	value &= ~(VCH3CLK_MASK);

	if (hd >= 1)
		value |= (VCH2CLK_SYSCLK8 | VCH3CLK_SYSCLK8);
	else
		value |= (VCH2CLK_AUXCLK | VCH3CLK_AUXCLK);

	__raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));

	spin_lock_irqsave(&vpif_reg_lock, flags);
	value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
	/* enable the clock */
	value &= ~(VIDCH3CLK | VIDCH2CLK);
	__raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
	spin_unlock_irqrestore(&vpif_reg_lock, flags);

	return 0;
}

static struct vpif_subdev_info dm646x_vpif_subdev[] = {
	{
		.name	= "adv7343",
		.board_info = {
			I2C_BOARD_INFO("adv7343", 0x2a),
		},
	},
	{
		.name	= "ths7303",
		.board_info = {
			I2C_BOARD_INFO("ths7303", 0x2c),
		},
	},
};

static const struct vpif_output dm6467_ch0_outputs[] = {
	{
		.output = {
			.index = 0,
			.name = "Composite",
			.type = V4L2_OUTPUT_TYPE_ANALOG,
			.capabilities = V4L2_OUT_CAP_STD,
			.std = V4L2_STD_ALL,
		},
		.subdev_name = "adv7343",
		.output_route = ADV7343_COMPOSITE_ID,
	},
	{
		.output = {
			.index = 1,
			.name = "Component",
			.type = V4L2_OUTPUT_TYPE_ANALOG,
			.capabilities = V4L2_OUT_CAP_DV_TIMINGS,
		},
		.subdev_name = "adv7343",
		.output_route = ADV7343_COMPONENT_ID,
	},
	{
		.output = {
			.index = 2,
			.name = "S-Video",
			.type = V4L2_OUTPUT_TYPE_ANALOG,
			.capabilities = V4L2_OUT_CAP_STD,
			.std = V4L2_STD_ALL,
		},
		.subdev_name = "adv7343",
		.output_route = ADV7343_SVIDEO_ID,
	},
};

static struct vpif_display_config dm646x_vpif_display_config = {
	.set_clock	= set_vpif_clock,
	.subdevinfo	= dm646x_vpif_subdev,
	.subdev_count	= ARRAY_SIZE(dm646x_vpif_subdev),
	.i2c_adapter_id = 1,
	.chan_config[0] = {
		.outputs = dm6467_ch0_outputs,
		.output_count = ARRAY_SIZE(dm6467_ch0_outputs),
	},
	.card_name	= "DM646x EVM Video Display",
};

/**
 * setup_vpif_input_path()
 * @channel: channel id (0 - CH0, 1 - CH1)
 * @sub_dev_name: ptr sub device name
 *
 * This will set vpif input to capture data from tvp514x or
 * tvp7002.
 */
static int setup_vpif_input_path(int channel, const char *sub_dev_name)
{
	int err = 0;
	int val;

	/* for channel 1, we don't do anything */
	if (channel != 0)
		return 0;

	if (!cpld_client)
		return -ENXIO;

	val = i2c_smbus_read_byte(cpld_client);
	if (val < 0)
		return val;

	if (!strcmp(sub_dev_name, TVP5147_CH0) ||
	    !strcmp(sub_dev_name, TVP5147_CH1))
		val &= TVP5147_INPUT;
	else
		val |= TVP7002_INPUT;

	err = i2c_smbus_write_byte(cpld_client, val);
	if (err)
		return err;
	return 0;
}

/**
 * setup_vpif_input_channel_mode()
 * @mux_mode:  mux mode. 0 - 1 channel or (1) - 2 channel
 *
 * This will setup input mode to one channel (TVP7002) or 2 channel (TVP5147)
 */
static int setup_vpif_input_channel_mode(int mux_mode)
{
	unsigned long flags;
	int err = 0;
	int val;
	u32 value;

	if (!cpld_client)
		return -ENXIO;

	val = i2c_smbus_read_byte(cpld_client);
	if (val < 0)
		return val;

	spin_lock_irqsave(&vpif_reg_lock, flags);
	value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
	if (mux_mode) {
		val &= VPIF_INPUT_TWO_CHANNEL;
		value |= VIDCH1CLK;
	} else {
		val |= VPIF_INPUT_ONE_CHANNEL;
		value &= ~VIDCH1CLK;
	}
	__raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
	spin_unlock_irqrestore(&vpif_reg_lock, flags);

	err = i2c_smbus_write_byte(cpld_client, val);
	if (err)
		return err;

	return 0;
}

static struct tvp514x_platform_data tvp5146_pdata = {
	.clk_polarity = 0,
	.hs_polarity = 1,
	.vs_polarity = 1
};

#define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)

static struct vpif_subdev_info vpif_capture_sdev_info[] = {
	{
		.name	= TVP5147_CH0,
		.board_info = {
			I2C_BOARD_INFO("tvp5146", 0x5d),
			.platform_data = &tvp5146_pdata,
		},
	},
	{
		.name	= TVP5147_CH1,
		.board_info = {
			I2C_BOARD_INFO("tvp5146", 0x5c),
			.platform_data = &tvp5146_pdata,
		},
	},
};

static struct vpif_input dm6467_ch0_inputs[] = {
	{
		.input = {
			.index = 0,
			.name = "Composite",
			.type = V4L2_INPUT_TYPE_CAMERA,
			.capabilities = V4L2_IN_CAP_STD,
			.std = TVP514X_STD_ALL,
		},
		.subdev_name = TVP5147_CH0,
		.input_route = INPUT_CVBS_VI2B,
		.output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC,
	},
};

static struct vpif_input dm6467_ch1_inputs[] = {
       {
		.input = {
			.index = 0,
			.name = "S-Video",
			.type = V4L2_INPUT_TYPE_CAMERA,
			.capabilities = V4L2_IN_CAP_STD,
			.std = TVP514X_STD_ALL,
		},
		.subdev_name = TVP5147_CH1,
		.input_route = INPUT_SVIDEO_VI2C_VI1C,
		.output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC,
	},
};

static struct vpif_capture_config dm646x_vpif_capture_cfg = {
	.setup_input_path = setup_vpif_input_path,
	.setup_input_channel_mode = setup_vpif_input_channel_mode,
	.subdev_info = vpif_capture_sdev_info,
	.subdev_count = ARRAY_SIZE(vpif_capture_sdev_info),
	.i2c_adapter_id = 1,
	.chan_config[0] = {
		.inputs = dm6467_ch0_inputs,
		.input_count = ARRAY_SIZE(dm6467_ch0_inputs),
		.vpif_if = {
			.if_type = VPIF_IF_BT656,
			.hd_pol = 1,
			.vd_pol = 1,
			.fid_pol = 0,
		},
	},
	.chan_config[1] = {
		.inputs = dm6467_ch1_inputs,
		.input_count = ARRAY_SIZE(dm6467_ch1_inputs),
		.vpif_if = {
			.if_type = VPIF_IF_BT656,
			.hd_pol = 1,
			.vd_pol = 1,
			.fid_pol = 0,
		},
	},
	.card_name = "DM646x EVM Video Capture",
};

static void __init evm_init_video(void)
{
	spin_lock_init(&vpif_reg_lock);

	dm646x_setup_vpif(&dm646x_vpif_display_config,
			  &dm646x_vpif_capture_cfg);
}

static void __init evm_init_i2c(void)
{
	davinci_init_i2c(&i2c_pdata);
	i2c_add_driver(&dm6467evm_cpld_driver);
	i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
	evm_init_cpld();
	evm_init_video();
}
#endif

#define DM646X_REF_FREQ			27000000
#define DM646X_AUX_FREQ			24000000
#define DM6467T_EVM_REF_FREQ		33000000

static void __init davinci_map_io(void)
{
	dm646x_init();
}

static void __init dm646x_evm_init_time(void)
{
	dm646x_init_time(DM646X_REF_FREQ, DM646X_AUX_FREQ);
}

static void __init dm6467t_evm_init_time(void)
{
	dm646x_init_time(DM6467T_EVM_REF_FREQ, DM646X_AUX_FREQ);
}

#define DM646X_EVM_PHY_ID		"davinci_mdio-0:01"
/*
 * The following EDMA channels/slots are not being used by drivers (for
 * example: Timer, GPIO, UART events etc) on dm646x, hence they are being
 * reserved for codecs on the DSP side.
 */
static const s16 dm646x_dma_rsv_chans[][2] = {
	/* (offset, number) */
	{ 0,  4},
	{13,  3},
	{24,  4},
	{30,  2},
	{54,  3},
	{-1, -1}
};

static const s16 dm646x_dma_rsv_slots[][2] = {
	/* (offset, number) */
	{ 0,  4},
	{13,  3},
	{24,  4},
	{30,  2},
	{54,  3},
	{128, 384},
	{-1, -1}
};

static struct edma_rsv_info dm646x_edma_rsv[] = {
	{
		.rsv_chans	= dm646x_dma_rsv_chans,
		.rsv_slots	= dm646x_dma_rsv_slots,
	},
};

static __init void evm_init(void)
{
	int ret;
	struct davinci_soc_info *soc_info = &davinci_soc_info;

	dm646x_register_clocks();

	ret = dm646x_gpio_register();
	if (ret)
		pr_warn("%s: GPIO init failed: %d\n", __func__, ret);

#ifdef CONFIG_I2C
	nvmem_add_cell_table(&dm646x_evm_nvmem_cell_table);
	nvmem_add_cell_lookups(&dm646x_evm_nvmem_cell_lookup, 1);
	evm_init_i2c();
#endif

	davinci_serial_init(dm646x_serial_device);
	dm646x_init_mcasp0(&dm646x_evm_snd_data[0]);
	dm646x_init_mcasp1(&dm646x_evm_snd_data[1]);

	if (machine_is_davinci_dm6467tevm())
		davinci_nand_data.timing = &dm6467tevm_nandflash_timing;

	if (platform_device_register(&davinci_aemif_device))
		pr_warn("%s: Cannot register AEMIF device.\n", __func__);

	dm646x_init_edma(dm646x_edma_rsv);

	if (HAS_ATA)
		davinci_init_ide();

	soc_info->emac_pdata->phy_id = DM646X_EVM_PHY_ID;
}

MACHINE_START(DAVINCI_DM6467_EVM, "DaVinci DM646x EVM")
	.atag_offset  = 0x100,
	.map_io       = davinci_map_io,
	.init_irq     = dm646x_init_irq,
	.init_time	= dm646x_evm_init_time,
	.init_machine = evm_init,
	.init_late	= davinci_init_late,
	.dma_zone_size	= SZ_128M,
MACHINE_END

MACHINE_START(DAVINCI_DM6467TEVM, "DaVinci DM6467T EVM")
	.atag_offset  = 0x100,
	.map_io       = davinci_map_io,
	.init_irq     = dm646x_init_irq,
	.init_time	= dm6467t_evm_init_time,
	.init_machine = evm_init,
	.init_late	= davinci_init_late,
	.dma_zone_size	= SZ_128M,
MACHINE_END