1 /*
2  * TI DaVinci DM646X EVM board
3  *
4  * Derived from: arch/arm/mach-davinci/board-evm.c
5  * Copyright (C) 2006 Texas Instruments.
6  *
7  * (C) 2007-2008, MontaVista Software, Inc.
8  *
9  * This file is licensed under the terms of the GNU General Public License
10  * version 2. This program is licensed "as is" without any warranty of any
11  * kind, whether express or implied.
12  *
13  */
14 
15 /**************************************************************************
16  * Included Files
17  **************************************************************************/
18 
19 #include <linux/kernel.h>
20 #include <linux/init.h>
21 #include <linux/leds.h>
22 #include <linux/gpio.h>
23 #include <linux/platform_device.h>
24 #include <linux/i2c.h>
25 #include <linux/platform_data/at24.h>
26 #include <linux/platform_data/pcf857x.h>
27 #include <linux/platform_data/ti-aemif.h>
28 
29 #include <media/i2c/tvp514x.h>
30 #include <media/i2c/adv7343.h>
31 
32 #include <linux/mtd/mtd.h>
33 #include <linux/mtd/rawnand.h>
34 #include <linux/mtd/partitions.h>
35 #include <linux/clk.h>
36 #include <linux/export.h>
37 #include <linux/platform_data/gpio-davinci.h>
38 #include <linux/platform_data/i2c-davinci.h>
39 #include <linux/platform_data/mtd-davinci.h>
40 #include <linux/platform_data/mtd-davinci-aemif.h>
41 
42 #include <asm/mach-types.h>
43 #include <asm/mach/arch.h>
44 
45 #include <mach/common.h>
46 #include <mach/irqs.h>
47 #include <mach/serial.h>
48 
49 #include "davinci.h"
50 
51 #define NAND_BLOCK_SIZE		SZ_128K
52 
53 /* Note: We are setting first partition as 'bootloader' constituting UBL, U-Boot
54  * and U-Boot environment this avoids dependency on any particular combination
55  * of UBL, U-Boot or flashing tools etc.
56  */
57 static struct mtd_partition davinci_nand_partitions[] = {
58 	{
59 		/* UBL, U-Boot with environment */
60 		.name		= "bootloader",
61 		.offset		= MTDPART_OFS_APPEND,
62 		.size		= 16 * NAND_BLOCK_SIZE,
63 		.mask_flags	= MTD_WRITEABLE,	/* force read-only */
64 	}, {
65 		.name		= "kernel",
66 		.offset		= MTDPART_OFS_APPEND,
67 		.size		= SZ_4M,
68 		.mask_flags	= 0,
69 	}, {
70 		.name		= "filesystem",
71 		.offset		= MTDPART_OFS_APPEND,
72 		.size		= MTDPART_SIZ_FULL,
73 		.mask_flags	= 0,
74 	}
75 };
76 
77 static struct davinci_aemif_timing dm6467tevm_nandflash_timing = {
78 	.wsetup		= 29,
79 	.wstrobe	= 24,
80 	.whold		= 14,
81 	.rsetup		= 19,
82 	.rstrobe	= 33,
83 	.rhold		= 0,
84 	.ta		= 29,
85 };
86 
87 static struct davinci_nand_pdata davinci_nand_data = {
88 	.core_chipsel		= 0,
89 	.mask_cle 		= 0x80000,
90 	.mask_ale 		= 0x40000,
91 	.parts			= davinci_nand_partitions,
92 	.nr_parts		= ARRAY_SIZE(davinci_nand_partitions),
93 	.ecc_mode		= NAND_ECC_HW,
94 	.ecc_bits		= 1,
95 	.options		= 0,
96 };
97 
98 static struct resource davinci_nand_resources[] = {
99 	{
100 		.start		= DM646X_ASYNC_EMIF_CS2_SPACE_BASE,
101 		.end		= DM646X_ASYNC_EMIF_CS2_SPACE_BASE + SZ_32M - 1,
102 		.flags		= IORESOURCE_MEM,
103 	}, {
104 		.start		= DM646X_ASYNC_EMIF_CONTROL_BASE,
105 		.end		= DM646X_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
106 		.flags		= IORESOURCE_MEM,
107 	},
108 };
109 
110 static struct platform_device davinci_aemif_devices[] = {
111 	{
112 		.name		= "davinci_nand",
113 		.id		= 0,
114 		.num_resources	= ARRAY_SIZE(davinci_nand_resources),
115 		.resource	= davinci_nand_resources,
116 		.dev		= {
117 			.platform_data	= &davinci_nand_data,
118 		},
119 	},
120 };
121 
122 static struct resource davinci_aemif_resources[] = {
123 	{
124 		.start	= DM646X_ASYNC_EMIF_CONTROL_BASE,
125 		.end	= DM646X_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
126 		.flags	= IORESOURCE_MEM,
127 	},
128 };
129 
130 static struct aemif_abus_data davinci_aemif_abus_data[] = {
131 	{
132 		.cs	= 1,
133 	},
134 };
135 
136 static struct aemif_platform_data davinci_aemif_pdata = {
137 	.abus_data		= davinci_aemif_abus_data,
138 	.num_abus_data		= ARRAY_SIZE(davinci_aemif_abus_data),
139 	.sub_devices		= davinci_aemif_devices,
140 	.num_sub_devices	= ARRAY_SIZE(davinci_aemif_devices),
141 };
142 
143 static struct platform_device davinci_aemif_device = {
144 	.name		= "ti-aemif",
145 	.id		= -1,
146 	.dev = {
147 		.platform_data	= &davinci_aemif_pdata,
148 	},
149 	.resource	= davinci_aemif_resources,
150 	.num_resources	= ARRAY_SIZE(davinci_aemif_resources),
151 };
152 
153 #define HAS_ATA		(IS_ENABLED(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \
154 			 IS_ENABLED(CONFIG_PATA_BK3710))
155 
156 #ifdef CONFIG_I2C
157 /* CPLD Register 0 bits to control ATA */
158 #define DM646X_EVM_ATA_RST		BIT(0)
159 #define DM646X_EVM_ATA_PWD		BIT(1)
160 
161 /* CPLD Register 0 Client: used for I/O Control */
cpld_reg0_probe(struct i2c_client * client,const struct i2c_device_id * id)162 static int cpld_reg0_probe(struct i2c_client *client,
163 			   const struct i2c_device_id *id)
164 {
165 	if (HAS_ATA) {
166 		u8 data;
167 		struct i2c_msg msg[2] = {
168 			{
169 				.addr = client->addr,
170 				.flags = I2C_M_RD,
171 				.len = 1,
172 				.buf = &data,
173 			},
174 			{
175 				.addr = client->addr,
176 				.flags = 0,
177 				.len = 1,
178 				.buf = &data,
179 			},
180 		};
181 
182 		/* Clear ATA_RSTn and ATA_PWD bits to enable ATA operation. */
183 		i2c_transfer(client->adapter, msg, 1);
184 		data &= ~(DM646X_EVM_ATA_RST | DM646X_EVM_ATA_PWD);
185 		i2c_transfer(client->adapter, msg + 1, 1);
186 	}
187 
188 	return 0;
189 }
190 
191 static const struct i2c_device_id cpld_reg_ids[] = {
192 	{ "cpld_reg0", 0, },
193 	{ },
194 };
195 
196 static struct i2c_driver dm6467evm_cpld_driver = {
197 	.driver.name	= "cpld_reg0",
198 	.id_table	= cpld_reg_ids,
199 	.probe		= cpld_reg0_probe,
200 };
201 
202 /* LEDS */
203 
204 static struct gpio_led evm_leds[] = {
205 	{ .name = "DS1", .active_low = 1, },
206 	{ .name = "DS2", .active_low = 1, },
207 	{ .name = "DS3", .active_low = 1, },
208 	{ .name = "DS4", .active_low = 1, },
209 };
210 
211 static const struct gpio_led_platform_data evm_led_data = {
212 	.num_leds = ARRAY_SIZE(evm_leds),
213 	.leds     = evm_leds,
214 };
215 
216 static struct platform_device *evm_led_dev;
217 
evm_led_setup(struct i2c_client * client,int gpio,unsigned int ngpio,void * c)218 static int evm_led_setup(struct i2c_client *client, int gpio,
219 			unsigned int ngpio, void *c)
220 {
221 	struct gpio_led *leds = evm_leds;
222 	int status;
223 
224 	while (ngpio--) {
225 		leds->gpio = gpio++;
226 		leds++;
227 	}
228 
229 	evm_led_dev = platform_device_alloc("leds-gpio", 0);
230 	platform_device_add_data(evm_led_dev, &evm_led_data,
231 				sizeof(evm_led_data));
232 
233 	evm_led_dev->dev.parent = &client->dev;
234 	status = platform_device_add(evm_led_dev);
235 	if (status < 0) {
236 		platform_device_put(evm_led_dev);
237 		evm_led_dev = NULL;
238 	}
239 	return status;
240 }
241 
evm_led_teardown(struct i2c_client * client,int gpio,unsigned ngpio,void * c)242 static int evm_led_teardown(struct i2c_client *client, int gpio,
243 				unsigned ngpio, void *c)
244 {
245 	if (evm_led_dev) {
246 		platform_device_unregister(evm_led_dev);
247 		evm_led_dev = NULL;
248 	}
249 	return 0;
250 }
251 
252 static int evm_sw_gpio[4] = { -EINVAL, -EINVAL, -EINVAL, -EINVAL };
253 
evm_sw_setup(struct i2c_client * client,int gpio,unsigned ngpio,void * c)254 static int evm_sw_setup(struct i2c_client *client, int gpio,
255 			unsigned ngpio, void *c)
256 {
257 	int status;
258 	int i;
259 	char label[10];
260 
261 	for (i = 0; i < 4; ++i) {
262 		snprintf(label, 10, "user_sw%d", i);
263 		status = gpio_request(gpio, label);
264 		if (status)
265 			goto out_free;
266 		evm_sw_gpio[i] = gpio++;
267 
268 		status = gpio_direction_input(evm_sw_gpio[i]);
269 		if (status) {
270 			gpio_free(evm_sw_gpio[i]);
271 			evm_sw_gpio[i] = -EINVAL;
272 			goto out_free;
273 		}
274 
275 		status = gpio_export(evm_sw_gpio[i], 0);
276 		if (status) {
277 			gpio_free(evm_sw_gpio[i]);
278 			evm_sw_gpio[i] = -EINVAL;
279 			goto out_free;
280 		}
281 	}
282 	return status;
283 out_free:
284 	for (i = 0; i < 4; ++i) {
285 		if (evm_sw_gpio[i] != -EINVAL) {
286 			gpio_free(evm_sw_gpio[i]);
287 			evm_sw_gpio[i] = -EINVAL;
288 		}
289 	}
290 	return status;
291 }
292 
evm_sw_teardown(struct i2c_client * client,int gpio,unsigned ngpio,void * c)293 static int evm_sw_teardown(struct i2c_client *client, int gpio,
294 			unsigned ngpio, void *c)
295 {
296 	int i;
297 
298 	for (i = 0; i < 4; ++i) {
299 		if (evm_sw_gpio[i] != -EINVAL) {
300 			gpio_unexport(evm_sw_gpio[i]);
301 			gpio_free(evm_sw_gpio[i]);
302 			evm_sw_gpio[i] = -EINVAL;
303 		}
304 	}
305 	return 0;
306 }
307 
evm_pcf_setup(struct i2c_client * client,int gpio,unsigned int ngpio,void * c)308 static int evm_pcf_setup(struct i2c_client *client, int gpio,
309 			unsigned int ngpio, void *c)
310 {
311 	int status;
312 
313 	if (ngpio < 8)
314 		return -EINVAL;
315 
316 	status = evm_sw_setup(client, gpio, 4, c);
317 	if (status)
318 		return status;
319 
320 	return evm_led_setup(client, gpio+4, 4, c);
321 }
322 
evm_pcf_teardown(struct i2c_client * client,int gpio,unsigned int ngpio,void * c)323 static int evm_pcf_teardown(struct i2c_client *client, int gpio,
324 			unsigned int ngpio, void *c)
325 {
326 	BUG_ON(ngpio < 8);
327 
328 	evm_sw_teardown(client, gpio, 4, c);
329 	evm_led_teardown(client, gpio+4, 4, c);
330 
331 	return 0;
332 }
333 
334 static struct pcf857x_platform_data pcf_data = {
335 	.gpio_base	= DAVINCI_N_GPIO+1,
336 	.setup		= evm_pcf_setup,
337 	.teardown	= evm_pcf_teardown,
338 };
339 
340 /* Most of this EEPROM is unused, but U-Boot uses some data:
341  *  - 0x7f00, 6 bytes Ethernet Address
342  *  - ... newer boards may have more
343  */
344 
345 static struct at24_platform_data eeprom_info = {
346 	.byte_len       = (256*1024) / 8,
347 	.page_size      = 64,
348 	.flags          = AT24_FLAG_ADDR16,
349 	.setup          = davinci_get_mac_addr,
350 	.context	= (void *)0x7f00,
351 };
352 #endif
353 
354 static u8 dm646x_iis_serializer_direction[] = {
355        TX_MODE, RX_MODE, INACTIVE_MODE, INACTIVE_MODE,
356 };
357 
358 static u8 dm646x_dit_serializer_direction[] = {
359        TX_MODE,
360 };
361 
362 static struct snd_platform_data dm646x_evm_snd_data[] = {
363 	{
364 		.tx_dma_offset  = 0x400,
365 		.rx_dma_offset  = 0x400,
366 		.op_mode        = DAVINCI_MCASP_IIS_MODE,
367 		.num_serializer = ARRAY_SIZE(dm646x_iis_serializer_direction),
368 		.tdm_slots      = 2,
369 		.serial_dir     = dm646x_iis_serializer_direction,
370 		.asp_chan_q     = EVENTQ_0,
371 	},
372 	{
373 		.tx_dma_offset  = 0x400,
374 		.rx_dma_offset  = 0,
375 		.op_mode        = DAVINCI_MCASP_DIT_MODE,
376 		.num_serializer = ARRAY_SIZE(dm646x_dit_serializer_direction),
377 		.tdm_slots      = 32,
378 		.serial_dir     = dm646x_dit_serializer_direction,
379 		.asp_chan_q     = EVENTQ_0,
380 	},
381 };
382 
383 #ifdef CONFIG_I2C
384 static struct i2c_client *cpld_client;
385 
cpld_video_probe(struct i2c_client * client,const struct i2c_device_id * id)386 static int cpld_video_probe(struct i2c_client *client,
387 			const struct i2c_device_id *id)
388 {
389 	cpld_client = client;
390 	return 0;
391 }
392 
cpld_video_remove(struct i2c_client * client)393 static int cpld_video_remove(struct i2c_client *client)
394 {
395 	cpld_client = NULL;
396 	return 0;
397 }
398 
399 static const struct i2c_device_id cpld_video_id[] = {
400 	{ "cpld_video", 0 },
401 	{ }
402 };
403 
404 static struct i2c_driver cpld_video_driver = {
405 	.driver = {
406 		.name	= "cpld_video",
407 	},
408 	.probe		= cpld_video_probe,
409 	.remove		= cpld_video_remove,
410 	.id_table	= cpld_video_id,
411 };
412 
evm_init_cpld(void)413 static void evm_init_cpld(void)
414 {
415 	i2c_add_driver(&cpld_video_driver);
416 }
417 
418 static struct i2c_board_info __initdata i2c_info[] =  {
419 	{
420 		I2C_BOARD_INFO("24c256", 0x50),
421 		.platform_data  = &eeprom_info,
422 	},
423 	{
424 		I2C_BOARD_INFO("pcf8574a", 0x38),
425 		.platform_data	= &pcf_data,
426 	},
427 	{
428 		I2C_BOARD_INFO("cpld_reg0", 0x3a),
429 	},
430 	{
431 		I2C_BOARD_INFO("tlv320aic33", 0x18),
432 	},
433 	{
434 		I2C_BOARD_INFO("cpld_video", 0x3b),
435 	},
436 };
437 
438 static struct davinci_i2c_platform_data i2c_pdata = {
439 	.bus_freq       = 100 /* kHz */,
440 	.bus_delay      = 0 /* usec */,
441 };
442 
443 #define VCH2CLK_MASK		(BIT_MASK(10) | BIT_MASK(9) | BIT_MASK(8))
444 #define VCH2CLK_SYSCLK8		(BIT(9))
445 #define VCH2CLK_AUXCLK		(BIT(9) | BIT(8))
446 #define VCH3CLK_MASK		(BIT_MASK(14) | BIT_MASK(13) | BIT_MASK(12))
447 #define VCH3CLK_SYSCLK8		(BIT(13))
448 #define VCH3CLK_AUXCLK		(BIT(14) | BIT(13))
449 
450 #define VIDCH2CLK		(BIT(10))
451 #define VIDCH3CLK		(BIT(11))
452 #define VIDCH1CLK		(BIT(4))
453 #define TVP7002_INPUT		(BIT(4))
454 #define TVP5147_INPUT		(~BIT(4))
455 #define VPIF_INPUT_ONE_CHANNEL	(BIT(5))
456 #define VPIF_INPUT_TWO_CHANNEL	(~BIT(5))
457 #define TVP5147_CH0		"tvp514x-0"
458 #define TVP5147_CH1		"tvp514x-1"
459 
460 /* spin lock for updating above registers */
461 static spinlock_t vpif_reg_lock;
462 
set_vpif_clock(int mux_mode,int hd)463 static int set_vpif_clock(int mux_mode, int hd)
464 {
465 	unsigned long flags;
466 	unsigned int value;
467 	int val = 0;
468 	int err = 0;
469 
470 	if (!cpld_client)
471 		return -ENXIO;
472 
473 	/* disable the clock */
474 	spin_lock_irqsave(&vpif_reg_lock, flags);
475 	value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
476 	value |= (VIDCH3CLK | VIDCH2CLK);
477 	__raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
478 	spin_unlock_irqrestore(&vpif_reg_lock, flags);
479 
480 	val = i2c_smbus_read_byte(cpld_client);
481 	if (val < 0)
482 		return val;
483 
484 	if (mux_mode == 1)
485 		val &= ~0x40;
486 	else
487 		val |= 0x40;
488 
489 	err = i2c_smbus_write_byte(cpld_client, val);
490 	if (err)
491 		return err;
492 
493 	value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
494 	value &= ~(VCH2CLK_MASK);
495 	value &= ~(VCH3CLK_MASK);
496 
497 	if (hd >= 1)
498 		value |= (VCH2CLK_SYSCLK8 | VCH3CLK_SYSCLK8);
499 	else
500 		value |= (VCH2CLK_AUXCLK | VCH3CLK_AUXCLK);
501 
502 	__raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
503 
504 	spin_lock_irqsave(&vpif_reg_lock, flags);
505 	value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
506 	/* enable the clock */
507 	value &= ~(VIDCH3CLK | VIDCH2CLK);
508 	__raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
509 	spin_unlock_irqrestore(&vpif_reg_lock, flags);
510 
511 	return 0;
512 }
513 
514 static struct vpif_subdev_info dm646x_vpif_subdev[] = {
515 	{
516 		.name	= "adv7343",
517 		.board_info = {
518 			I2C_BOARD_INFO("adv7343", 0x2a),
519 		},
520 	},
521 	{
522 		.name	= "ths7303",
523 		.board_info = {
524 			I2C_BOARD_INFO("ths7303", 0x2c),
525 		},
526 	},
527 };
528 
529 static const struct vpif_output dm6467_ch0_outputs[] = {
530 	{
531 		.output = {
532 			.index = 0,
533 			.name = "Composite",
534 			.type = V4L2_OUTPUT_TYPE_ANALOG,
535 			.capabilities = V4L2_OUT_CAP_STD,
536 			.std = V4L2_STD_ALL,
537 		},
538 		.subdev_name = "adv7343",
539 		.output_route = ADV7343_COMPOSITE_ID,
540 	},
541 	{
542 		.output = {
543 			.index = 1,
544 			.name = "Component",
545 			.type = V4L2_OUTPUT_TYPE_ANALOG,
546 			.capabilities = V4L2_OUT_CAP_DV_TIMINGS,
547 		},
548 		.subdev_name = "adv7343",
549 		.output_route = ADV7343_COMPONENT_ID,
550 	},
551 	{
552 		.output = {
553 			.index = 2,
554 			.name = "S-Video",
555 			.type = V4L2_OUTPUT_TYPE_ANALOG,
556 			.capabilities = V4L2_OUT_CAP_STD,
557 			.std = V4L2_STD_ALL,
558 		},
559 		.subdev_name = "adv7343",
560 		.output_route = ADV7343_SVIDEO_ID,
561 	},
562 };
563 
564 static struct vpif_display_config dm646x_vpif_display_config = {
565 	.set_clock	= set_vpif_clock,
566 	.subdevinfo	= dm646x_vpif_subdev,
567 	.subdev_count	= ARRAY_SIZE(dm646x_vpif_subdev),
568 	.i2c_adapter_id = 1,
569 	.chan_config[0] = {
570 		.outputs = dm6467_ch0_outputs,
571 		.output_count = ARRAY_SIZE(dm6467_ch0_outputs),
572 	},
573 	.card_name	= "DM646x EVM Video Display",
574 };
575 
576 /**
577  * setup_vpif_input_path()
578  * @channel: channel id (0 - CH0, 1 - CH1)
579  * @sub_dev_name: ptr sub device name
580  *
581  * This will set vpif input to capture data from tvp514x or
582  * tvp7002.
583  */
setup_vpif_input_path(int channel,const char * sub_dev_name)584 static int setup_vpif_input_path(int channel, const char *sub_dev_name)
585 {
586 	int err = 0;
587 	int val;
588 
589 	/* for channel 1, we don't do anything */
590 	if (channel != 0)
591 		return 0;
592 
593 	if (!cpld_client)
594 		return -ENXIO;
595 
596 	val = i2c_smbus_read_byte(cpld_client);
597 	if (val < 0)
598 		return val;
599 
600 	if (!strcmp(sub_dev_name, TVP5147_CH0) ||
601 	    !strcmp(sub_dev_name, TVP5147_CH1))
602 		val &= TVP5147_INPUT;
603 	else
604 		val |= TVP7002_INPUT;
605 
606 	err = i2c_smbus_write_byte(cpld_client, val);
607 	if (err)
608 		return err;
609 	return 0;
610 }
611 
612 /**
613  * setup_vpif_input_channel_mode()
614  * @mux_mode:  mux mode. 0 - 1 channel or (1) - 2 channel
615  *
616  * This will setup input mode to one channel (TVP7002) or 2 channel (TVP5147)
617  */
setup_vpif_input_channel_mode(int mux_mode)618 static int setup_vpif_input_channel_mode(int mux_mode)
619 {
620 	unsigned long flags;
621 	int err = 0;
622 	int val;
623 	u32 value;
624 
625 	if (!cpld_client)
626 		return -ENXIO;
627 
628 	val = i2c_smbus_read_byte(cpld_client);
629 	if (val < 0)
630 		return val;
631 
632 	spin_lock_irqsave(&vpif_reg_lock, flags);
633 	value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
634 	if (mux_mode) {
635 		val &= VPIF_INPUT_TWO_CHANNEL;
636 		value |= VIDCH1CLK;
637 	} else {
638 		val |= VPIF_INPUT_ONE_CHANNEL;
639 		value &= ~VIDCH1CLK;
640 	}
641 	__raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
642 	spin_unlock_irqrestore(&vpif_reg_lock, flags);
643 
644 	err = i2c_smbus_write_byte(cpld_client, val);
645 	if (err)
646 		return err;
647 
648 	return 0;
649 }
650 
651 static struct tvp514x_platform_data tvp5146_pdata = {
652 	.clk_polarity = 0,
653 	.hs_polarity = 1,
654 	.vs_polarity = 1
655 };
656 
657 #define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
658 
659 static struct vpif_subdev_info vpif_capture_sdev_info[] = {
660 	{
661 		.name	= TVP5147_CH0,
662 		.board_info = {
663 			I2C_BOARD_INFO("tvp5146", 0x5d),
664 			.platform_data = &tvp5146_pdata,
665 		},
666 	},
667 	{
668 		.name	= TVP5147_CH1,
669 		.board_info = {
670 			I2C_BOARD_INFO("tvp5146", 0x5c),
671 			.platform_data = &tvp5146_pdata,
672 		},
673 	},
674 };
675 
676 static struct vpif_input dm6467_ch0_inputs[] = {
677 	{
678 		.input = {
679 			.index = 0,
680 			.name = "Composite",
681 			.type = V4L2_INPUT_TYPE_CAMERA,
682 			.capabilities = V4L2_IN_CAP_STD,
683 			.std = TVP514X_STD_ALL,
684 		},
685 		.subdev_name = TVP5147_CH0,
686 		.input_route = INPUT_CVBS_VI2B,
687 		.output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC,
688 	},
689 };
690 
691 static struct vpif_input dm6467_ch1_inputs[] = {
692        {
693 		.input = {
694 			.index = 0,
695 			.name = "S-Video",
696 			.type = V4L2_INPUT_TYPE_CAMERA,
697 			.capabilities = V4L2_IN_CAP_STD,
698 			.std = TVP514X_STD_ALL,
699 		},
700 		.subdev_name = TVP5147_CH1,
701 		.input_route = INPUT_SVIDEO_VI2C_VI1C,
702 		.output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC,
703 	},
704 };
705 
706 static struct vpif_capture_config dm646x_vpif_capture_cfg = {
707 	.setup_input_path = setup_vpif_input_path,
708 	.setup_input_channel_mode = setup_vpif_input_channel_mode,
709 	.subdev_info = vpif_capture_sdev_info,
710 	.subdev_count = ARRAY_SIZE(vpif_capture_sdev_info),
711 	.i2c_adapter_id = 1,
712 	.chan_config[0] = {
713 		.inputs = dm6467_ch0_inputs,
714 		.input_count = ARRAY_SIZE(dm6467_ch0_inputs),
715 		.vpif_if = {
716 			.if_type = VPIF_IF_BT656,
717 			.hd_pol = 1,
718 			.vd_pol = 1,
719 			.fid_pol = 0,
720 		},
721 	},
722 	.chan_config[1] = {
723 		.inputs = dm6467_ch1_inputs,
724 		.input_count = ARRAY_SIZE(dm6467_ch1_inputs),
725 		.vpif_if = {
726 			.if_type = VPIF_IF_BT656,
727 			.hd_pol = 1,
728 			.vd_pol = 1,
729 			.fid_pol = 0,
730 		},
731 	},
732 	.card_name = "DM646x EVM Video Capture",
733 };
734 
evm_init_video(void)735 static void __init evm_init_video(void)
736 {
737 	spin_lock_init(&vpif_reg_lock);
738 
739 	dm646x_setup_vpif(&dm646x_vpif_display_config,
740 			  &dm646x_vpif_capture_cfg);
741 }
742 
evm_init_i2c(void)743 static void __init evm_init_i2c(void)
744 {
745 	davinci_init_i2c(&i2c_pdata);
746 	i2c_add_driver(&dm6467evm_cpld_driver);
747 	i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
748 	evm_init_cpld();
749 	evm_init_video();
750 }
751 #endif
752 
753 #define DM646X_REF_FREQ			27000000
754 #define DM646X_AUX_FREQ			24000000
755 #define DM6467T_EVM_REF_FREQ		33000000
756 
davinci_map_io(void)757 static void __init davinci_map_io(void)
758 {
759 	dm646x_init();
760 }
761 
dm646x_evm_init_time(void)762 static void __init dm646x_evm_init_time(void)
763 {
764 	dm646x_init_time(DM646X_REF_FREQ, DM646X_AUX_FREQ);
765 }
766 
dm6467t_evm_init_time(void)767 static void __init dm6467t_evm_init_time(void)
768 {
769 	dm646x_init_time(DM6467T_EVM_REF_FREQ, DM646X_AUX_FREQ);
770 }
771 
772 #define DM646X_EVM_PHY_ID		"davinci_mdio-0:01"
773 /*
774  * The following EDMA channels/slots are not being used by drivers (for
775  * example: Timer, GPIO, UART events etc) on dm646x, hence they are being
776  * reserved for codecs on the DSP side.
777  */
778 static const s16 dm646x_dma_rsv_chans[][2] = {
779 	/* (offset, number) */
780 	{ 0,  4},
781 	{13,  3},
782 	{24,  4},
783 	{30,  2},
784 	{54,  3},
785 	{-1, -1}
786 };
787 
788 static const s16 dm646x_dma_rsv_slots[][2] = {
789 	/* (offset, number) */
790 	{ 0,  4},
791 	{13,  3},
792 	{24,  4},
793 	{30,  2},
794 	{54,  3},
795 	{128, 384},
796 	{-1, -1}
797 };
798 
799 static struct edma_rsv_info dm646x_edma_rsv[] = {
800 	{
801 		.rsv_chans	= dm646x_dma_rsv_chans,
802 		.rsv_slots	= dm646x_dma_rsv_slots,
803 	},
804 };
805 
evm_init(void)806 static __init void evm_init(void)
807 {
808 	int ret;
809 	struct davinci_soc_info *soc_info = &davinci_soc_info;
810 
811 	dm646x_register_clocks();
812 
813 	ret = dm646x_gpio_register();
814 	if (ret)
815 		pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
816 
817 #ifdef CONFIG_I2C
818 	evm_init_i2c();
819 #endif
820 
821 	davinci_serial_init(dm646x_serial_device);
822 	dm646x_init_mcasp0(&dm646x_evm_snd_data[0]);
823 	dm646x_init_mcasp1(&dm646x_evm_snd_data[1]);
824 
825 	if (machine_is_davinci_dm6467tevm())
826 		davinci_nand_data.timing = &dm6467tevm_nandflash_timing;
827 
828 	if (platform_device_register(&davinci_aemif_device))
829 		pr_warn("%s: Cannot register AEMIF device.\n", __func__);
830 
831 	dm646x_init_edma(dm646x_edma_rsv);
832 
833 	if (HAS_ATA)
834 		davinci_init_ide();
835 
836 	soc_info->emac_pdata->phy_id = DM646X_EVM_PHY_ID;
837 }
838 
839 MACHINE_START(DAVINCI_DM6467_EVM, "DaVinci DM646x EVM")
840 	.atag_offset  = 0x100,
841 	.map_io       = davinci_map_io,
842 	.init_irq     = davinci_irq_init,
843 	.init_time	= dm646x_evm_init_time,
844 	.init_machine = evm_init,
845 	.init_late	= davinci_init_late,
846 	.dma_zone_size	= SZ_128M,
847 MACHINE_END
848 
849 MACHINE_START(DAVINCI_DM6467TEVM, "DaVinci DM6467T EVM")
850 	.atag_offset  = 0x100,
851 	.map_io       = davinci_map_io,
852 	.init_irq     = davinci_irq_init,
853 	.init_time	= dm6467t_evm_init_time,
854 	.init_machine = evm_init,
855 	.init_late	= davinci_init_late,
856 	.dma_zone_size	= SZ_128M,
857 MACHINE_END
858 
859