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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/property.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/nvmem-provider.h>
36 #include <linux/clk.h>
37 #include <linux/export.h>
38 #include <linux/platform_data/gpio-davinci.h>
39 #include <linux/platform_data/i2c-davinci.h>
40 #include <linux/platform_data/mtd-davinci.h>
41 #include <linux/platform_data/mtd-davinci-aemif.h>
42 
43 #include <asm/mach-types.h>
44 #include <asm/mach/arch.h>
45 
46 #include <mach/common.h>
47 #include <mach/serial.h>
48 
49 #include "davinci.h"
50 #include "irqs.h"
51 
52 #define NAND_BLOCK_SIZE		SZ_128K
53 
54 /* Note: We are setting first partition as 'bootloader' constituting UBL, U-Boot
55  * and U-Boot environment this avoids dependency on any particular combination
56  * of UBL, U-Boot or flashing tools etc.
57  */
58 static struct mtd_partition davinci_nand_partitions[] = {
59 	{
60 		/* UBL, U-Boot with environment */
61 		.name		= "bootloader",
62 		.offset		= MTDPART_OFS_APPEND,
63 		.size		= 16 * NAND_BLOCK_SIZE,
64 		.mask_flags	= MTD_WRITEABLE,	/* force read-only */
65 	}, {
66 		.name		= "kernel",
67 		.offset		= MTDPART_OFS_APPEND,
68 		.size		= SZ_4M,
69 		.mask_flags	= 0,
70 	}, {
71 		.name		= "filesystem",
72 		.offset		= MTDPART_OFS_APPEND,
73 		.size		= MTDPART_SIZ_FULL,
74 		.mask_flags	= 0,
75 	}
76 };
77 
78 static struct davinci_aemif_timing dm6467tevm_nandflash_timing = {
79 	.wsetup		= 29,
80 	.wstrobe	= 24,
81 	.whold		= 14,
82 	.rsetup		= 19,
83 	.rstrobe	= 33,
84 	.rhold		= 0,
85 	.ta		= 29,
86 };
87 
88 static struct davinci_nand_pdata davinci_nand_data = {
89 	.core_chipsel		= 0,
90 	.mask_cle 		= 0x80000,
91 	.mask_ale 		= 0x40000,
92 	.parts			= davinci_nand_partitions,
93 	.nr_parts		= ARRAY_SIZE(davinci_nand_partitions),
94 	.ecc_mode		= NAND_ECC_HW,
95 	.ecc_bits		= 1,
96 	.options		= 0,
97 };
98 
99 static struct resource davinci_nand_resources[] = {
100 	{
101 		.start		= DM646X_ASYNC_EMIF_CS2_SPACE_BASE,
102 		.end		= DM646X_ASYNC_EMIF_CS2_SPACE_BASE + SZ_32M - 1,
103 		.flags		= IORESOURCE_MEM,
104 	}, {
105 		.start		= DM646X_ASYNC_EMIF_CONTROL_BASE,
106 		.end		= DM646X_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
107 		.flags		= IORESOURCE_MEM,
108 	},
109 };
110 
111 static struct platform_device davinci_aemif_devices[] = {
112 	{
113 		.name		= "davinci_nand",
114 		.id		= 0,
115 		.num_resources	= ARRAY_SIZE(davinci_nand_resources),
116 		.resource	= davinci_nand_resources,
117 		.dev		= {
118 			.platform_data	= &davinci_nand_data,
119 		},
120 	},
121 };
122 
123 static struct resource davinci_aemif_resources[] = {
124 	{
125 		.start	= DM646X_ASYNC_EMIF_CONTROL_BASE,
126 		.end	= DM646X_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
127 		.flags	= IORESOURCE_MEM,
128 	},
129 };
130 
131 static struct aemif_abus_data davinci_aemif_abus_data[] = {
132 	{
133 		.cs	= 1,
134 	},
135 };
136 
137 static struct aemif_platform_data davinci_aemif_pdata = {
138 	.abus_data		= davinci_aemif_abus_data,
139 	.num_abus_data		= ARRAY_SIZE(davinci_aemif_abus_data),
140 	.sub_devices		= davinci_aemif_devices,
141 	.num_sub_devices	= ARRAY_SIZE(davinci_aemif_devices),
142 };
143 
144 static struct platform_device davinci_aemif_device = {
145 	.name		= "ti-aemif",
146 	.id		= -1,
147 	.dev = {
148 		.platform_data	= &davinci_aemif_pdata,
149 	},
150 	.resource	= davinci_aemif_resources,
151 	.num_resources	= ARRAY_SIZE(davinci_aemif_resources),
152 };
153 
154 #define HAS_ATA		(IS_ENABLED(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \
155 			 IS_ENABLED(CONFIG_PATA_BK3710))
156 
157 #ifdef CONFIG_I2C
158 /* CPLD Register 0 bits to control ATA */
159 #define DM646X_EVM_ATA_RST		BIT(0)
160 #define DM646X_EVM_ATA_PWD		BIT(1)
161 
162 /* CPLD Register 0 Client: used for I/O Control */
cpld_reg0_probe(struct i2c_client * client,const struct i2c_device_id * id)163 static int cpld_reg0_probe(struct i2c_client *client,
164 			   const struct i2c_device_id *id)
165 {
166 	if (HAS_ATA) {
167 		u8 data;
168 		struct i2c_msg msg[2] = {
169 			{
170 				.addr = client->addr,
171 				.flags = I2C_M_RD,
172 				.len = 1,
173 				.buf = &data,
174 			},
175 			{
176 				.addr = client->addr,
177 				.flags = 0,
178 				.len = 1,
179 				.buf = &data,
180 			},
181 		};
182 
183 		/* Clear ATA_RSTn and ATA_PWD bits to enable ATA operation. */
184 		i2c_transfer(client->adapter, msg, 1);
185 		data &= ~(DM646X_EVM_ATA_RST | DM646X_EVM_ATA_PWD);
186 		i2c_transfer(client->adapter, msg + 1, 1);
187 	}
188 
189 	return 0;
190 }
191 
192 static const struct i2c_device_id cpld_reg_ids[] = {
193 	{ "cpld_reg0", 0, },
194 	{ },
195 };
196 
197 static struct i2c_driver dm6467evm_cpld_driver = {
198 	.driver.name	= "cpld_reg0",
199 	.id_table	= cpld_reg_ids,
200 	.probe		= cpld_reg0_probe,
201 };
202 
203 /* LEDS */
204 
205 static struct gpio_led evm_leds[] = {
206 	{ .name = "DS1", .active_low = 1, },
207 	{ .name = "DS2", .active_low = 1, },
208 	{ .name = "DS3", .active_low = 1, },
209 	{ .name = "DS4", .active_low = 1, },
210 };
211 
212 static const struct gpio_led_platform_data evm_led_data = {
213 	.num_leds = ARRAY_SIZE(evm_leds),
214 	.leds     = evm_leds,
215 };
216 
217 static struct platform_device *evm_led_dev;
218 
evm_led_setup(struct i2c_client * client,int gpio,unsigned int ngpio,void * c)219 static int evm_led_setup(struct i2c_client *client, int gpio,
220 			unsigned int ngpio, void *c)
221 {
222 	struct gpio_led *leds = evm_leds;
223 	int status;
224 
225 	while (ngpio--) {
226 		leds->gpio = gpio++;
227 		leds++;
228 	}
229 
230 	evm_led_dev = platform_device_alloc("leds-gpio", 0);
231 	platform_device_add_data(evm_led_dev, &evm_led_data,
232 				sizeof(evm_led_data));
233 
234 	evm_led_dev->dev.parent = &client->dev;
235 	status = platform_device_add(evm_led_dev);
236 	if (status < 0) {
237 		platform_device_put(evm_led_dev);
238 		evm_led_dev = NULL;
239 	}
240 	return status;
241 }
242 
evm_led_teardown(struct i2c_client * client,int gpio,unsigned ngpio,void * c)243 static int evm_led_teardown(struct i2c_client *client, int gpio,
244 				unsigned ngpio, void *c)
245 {
246 	if (evm_led_dev) {
247 		platform_device_unregister(evm_led_dev);
248 		evm_led_dev = NULL;
249 	}
250 	return 0;
251 }
252 
253 static int evm_sw_gpio[4] = { -EINVAL, -EINVAL, -EINVAL, -EINVAL };
254 
evm_sw_setup(struct i2c_client * client,int gpio,unsigned ngpio,void * c)255 static int evm_sw_setup(struct i2c_client *client, int gpio,
256 			unsigned ngpio, void *c)
257 {
258 	int status;
259 	int i;
260 	char label[10];
261 
262 	for (i = 0; i < 4; ++i) {
263 		snprintf(label, 10, "user_sw%d", i);
264 		status = gpio_request(gpio, label);
265 		if (status)
266 			goto out_free;
267 		evm_sw_gpio[i] = gpio++;
268 
269 		status = gpio_direction_input(evm_sw_gpio[i]);
270 		if (status) {
271 			gpio_free(evm_sw_gpio[i]);
272 			evm_sw_gpio[i] = -EINVAL;
273 			goto out_free;
274 		}
275 
276 		status = gpio_export(evm_sw_gpio[i], 0);
277 		if (status) {
278 			gpio_free(evm_sw_gpio[i]);
279 			evm_sw_gpio[i] = -EINVAL;
280 			goto out_free;
281 		}
282 	}
283 	return status;
284 out_free:
285 	for (i = 0; i < 4; ++i) {
286 		if (evm_sw_gpio[i] != -EINVAL) {
287 			gpio_free(evm_sw_gpio[i]);
288 			evm_sw_gpio[i] = -EINVAL;
289 		}
290 	}
291 	return status;
292 }
293 
evm_sw_teardown(struct i2c_client * client,int gpio,unsigned ngpio,void * c)294 static int evm_sw_teardown(struct i2c_client *client, int gpio,
295 			unsigned ngpio, void *c)
296 {
297 	int i;
298 
299 	for (i = 0; i < 4; ++i) {
300 		if (evm_sw_gpio[i] != -EINVAL) {
301 			gpio_unexport(evm_sw_gpio[i]);
302 			gpio_free(evm_sw_gpio[i]);
303 			evm_sw_gpio[i] = -EINVAL;
304 		}
305 	}
306 	return 0;
307 }
308 
evm_pcf_setup(struct i2c_client * client,int gpio,unsigned int ngpio,void * c)309 static int evm_pcf_setup(struct i2c_client *client, int gpio,
310 			unsigned int ngpio, void *c)
311 {
312 	int status;
313 
314 	if (ngpio < 8)
315 		return -EINVAL;
316 
317 	status = evm_sw_setup(client, gpio, 4, c);
318 	if (status)
319 		return status;
320 
321 	return evm_led_setup(client, gpio+4, 4, c);
322 }
323 
evm_pcf_teardown(struct i2c_client * client,int gpio,unsigned int ngpio,void * c)324 static int evm_pcf_teardown(struct i2c_client *client, int gpio,
325 			unsigned int ngpio, void *c)
326 {
327 	BUG_ON(ngpio < 8);
328 
329 	evm_sw_teardown(client, gpio, 4, c);
330 	evm_led_teardown(client, gpio+4, 4, c);
331 
332 	return 0;
333 }
334 
335 static struct pcf857x_platform_data pcf_data = {
336 	.gpio_base	= DAVINCI_N_GPIO+1,
337 	.setup		= evm_pcf_setup,
338 	.teardown	= evm_pcf_teardown,
339 };
340 
341 /* Most of this EEPROM is unused, but U-Boot uses some data:
342  *  - 0x7f00, 6 bytes Ethernet Address
343  *  - ... newer boards may have more
344  */
345 
346 static struct nvmem_cell_info dm646x_evm_nvmem_cells[] = {
347 	{
348 		.name		= "macaddr",
349 		.offset		= 0x7f00,
350 		.bytes		= ETH_ALEN,
351 	}
352 };
353 
354 static struct nvmem_cell_table dm646x_evm_nvmem_cell_table = {
355 	.nvmem_name	= "1-00500",
356 	.cells		= dm646x_evm_nvmem_cells,
357 	.ncells		= ARRAY_SIZE(dm646x_evm_nvmem_cells),
358 };
359 
360 static struct nvmem_cell_lookup dm646x_evm_nvmem_cell_lookup = {
361 	.nvmem_name	= "1-00500",
362 	.cell_name	= "macaddr",
363 	.dev_id		= "davinci_emac.1",
364 	.con_id		= "mac-address",
365 };
366 
367 static const struct property_entry eeprom_properties[] = {
368 	PROPERTY_ENTRY_U32("pagesize", 64),
369 	{ }
370 };
371 #endif
372 
373 static u8 dm646x_iis_serializer_direction[] = {
374        TX_MODE, RX_MODE, INACTIVE_MODE, INACTIVE_MODE,
375 };
376 
377 static u8 dm646x_dit_serializer_direction[] = {
378        TX_MODE,
379 };
380 
381 static struct snd_platform_data dm646x_evm_snd_data[] = {
382 	{
383 		.tx_dma_offset  = 0x400,
384 		.rx_dma_offset  = 0x400,
385 		.op_mode        = DAVINCI_MCASP_IIS_MODE,
386 		.num_serializer = ARRAY_SIZE(dm646x_iis_serializer_direction),
387 		.tdm_slots      = 2,
388 		.serial_dir     = dm646x_iis_serializer_direction,
389 		.asp_chan_q     = EVENTQ_0,
390 	},
391 	{
392 		.tx_dma_offset  = 0x400,
393 		.rx_dma_offset  = 0,
394 		.op_mode        = DAVINCI_MCASP_DIT_MODE,
395 		.num_serializer = ARRAY_SIZE(dm646x_dit_serializer_direction),
396 		.tdm_slots      = 32,
397 		.serial_dir     = dm646x_dit_serializer_direction,
398 		.asp_chan_q     = EVENTQ_0,
399 	},
400 };
401 
402 #ifdef CONFIG_I2C
403 static struct i2c_client *cpld_client;
404 
cpld_video_probe(struct i2c_client * client,const struct i2c_device_id * id)405 static int cpld_video_probe(struct i2c_client *client,
406 			const struct i2c_device_id *id)
407 {
408 	cpld_client = client;
409 	return 0;
410 }
411 
cpld_video_remove(struct i2c_client * client)412 static int cpld_video_remove(struct i2c_client *client)
413 {
414 	cpld_client = NULL;
415 	return 0;
416 }
417 
418 static const struct i2c_device_id cpld_video_id[] = {
419 	{ "cpld_video", 0 },
420 	{ }
421 };
422 
423 static struct i2c_driver cpld_video_driver = {
424 	.driver = {
425 		.name	= "cpld_video",
426 	},
427 	.probe		= cpld_video_probe,
428 	.remove		= cpld_video_remove,
429 	.id_table	= cpld_video_id,
430 };
431 
evm_init_cpld(void)432 static void evm_init_cpld(void)
433 {
434 	i2c_add_driver(&cpld_video_driver);
435 }
436 
437 static struct i2c_board_info __initdata i2c_info[] =  {
438 	{
439 		I2C_BOARD_INFO("24c256", 0x50),
440 		.properties  = eeprom_properties,
441 	},
442 	{
443 		I2C_BOARD_INFO("pcf8574a", 0x38),
444 		.platform_data	= &pcf_data,
445 	},
446 	{
447 		I2C_BOARD_INFO("cpld_reg0", 0x3a),
448 	},
449 	{
450 		I2C_BOARD_INFO("tlv320aic33", 0x18),
451 	},
452 	{
453 		I2C_BOARD_INFO("cpld_video", 0x3b),
454 	},
455 };
456 
457 static struct davinci_i2c_platform_data i2c_pdata = {
458 	.bus_freq       = 100 /* kHz */,
459 	.bus_delay      = 0 /* usec */,
460 };
461 
462 #define VCH2CLK_MASK		(BIT_MASK(10) | BIT_MASK(9) | BIT_MASK(8))
463 #define VCH2CLK_SYSCLK8		(BIT(9))
464 #define VCH2CLK_AUXCLK		(BIT(9) | BIT(8))
465 #define VCH3CLK_MASK		(BIT_MASK(14) | BIT_MASK(13) | BIT_MASK(12))
466 #define VCH3CLK_SYSCLK8		(BIT(13))
467 #define VCH3CLK_AUXCLK		(BIT(14) | BIT(13))
468 
469 #define VIDCH2CLK		(BIT(10))
470 #define VIDCH3CLK		(BIT(11))
471 #define VIDCH1CLK		(BIT(4))
472 #define TVP7002_INPUT		(BIT(4))
473 #define TVP5147_INPUT		(~BIT(4))
474 #define VPIF_INPUT_ONE_CHANNEL	(BIT(5))
475 #define VPIF_INPUT_TWO_CHANNEL	(~BIT(5))
476 #define TVP5147_CH0		"tvp514x-0"
477 #define TVP5147_CH1		"tvp514x-1"
478 
479 /* spin lock for updating above registers */
480 static spinlock_t vpif_reg_lock;
481 
set_vpif_clock(int mux_mode,int hd)482 static int set_vpif_clock(int mux_mode, int hd)
483 {
484 	unsigned long flags;
485 	unsigned int value;
486 	int val = 0;
487 	int err = 0;
488 
489 	if (!cpld_client)
490 		return -ENXIO;
491 
492 	/* disable the clock */
493 	spin_lock_irqsave(&vpif_reg_lock, flags);
494 	value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
495 	value |= (VIDCH3CLK | VIDCH2CLK);
496 	__raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
497 	spin_unlock_irqrestore(&vpif_reg_lock, flags);
498 
499 	val = i2c_smbus_read_byte(cpld_client);
500 	if (val < 0)
501 		return val;
502 
503 	if (mux_mode == 1)
504 		val &= ~0x40;
505 	else
506 		val |= 0x40;
507 
508 	err = i2c_smbus_write_byte(cpld_client, val);
509 	if (err)
510 		return err;
511 
512 	value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
513 	value &= ~(VCH2CLK_MASK);
514 	value &= ~(VCH3CLK_MASK);
515 
516 	if (hd >= 1)
517 		value |= (VCH2CLK_SYSCLK8 | VCH3CLK_SYSCLK8);
518 	else
519 		value |= (VCH2CLK_AUXCLK | VCH3CLK_AUXCLK);
520 
521 	__raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
522 
523 	spin_lock_irqsave(&vpif_reg_lock, flags);
524 	value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
525 	/* enable the clock */
526 	value &= ~(VIDCH3CLK | VIDCH2CLK);
527 	__raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
528 	spin_unlock_irqrestore(&vpif_reg_lock, flags);
529 
530 	return 0;
531 }
532 
533 static struct vpif_subdev_info dm646x_vpif_subdev[] = {
534 	{
535 		.name	= "adv7343",
536 		.board_info = {
537 			I2C_BOARD_INFO("adv7343", 0x2a),
538 		},
539 	},
540 	{
541 		.name	= "ths7303",
542 		.board_info = {
543 			I2C_BOARD_INFO("ths7303", 0x2c),
544 		},
545 	},
546 };
547 
548 static const struct vpif_output dm6467_ch0_outputs[] = {
549 	{
550 		.output = {
551 			.index = 0,
552 			.name = "Composite",
553 			.type = V4L2_OUTPUT_TYPE_ANALOG,
554 			.capabilities = V4L2_OUT_CAP_STD,
555 			.std = V4L2_STD_ALL,
556 		},
557 		.subdev_name = "adv7343",
558 		.output_route = ADV7343_COMPOSITE_ID,
559 	},
560 	{
561 		.output = {
562 			.index = 1,
563 			.name = "Component",
564 			.type = V4L2_OUTPUT_TYPE_ANALOG,
565 			.capabilities = V4L2_OUT_CAP_DV_TIMINGS,
566 		},
567 		.subdev_name = "adv7343",
568 		.output_route = ADV7343_COMPONENT_ID,
569 	},
570 	{
571 		.output = {
572 			.index = 2,
573 			.name = "S-Video",
574 			.type = V4L2_OUTPUT_TYPE_ANALOG,
575 			.capabilities = V4L2_OUT_CAP_STD,
576 			.std = V4L2_STD_ALL,
577 		},
578 		.subdev_name = "adv7343",
579 		.output_route = ADV7343_SVIDEO_ID,
580 	},
581 };
582 
583 static struct vpif_display_config dm646x_vpif_display_config = {
584 	.set_clock	= set_vpif_clock,
585 	.subdevinfo	= dm646x_vpif_subdev,
586 	.subdev_count	= ARRAY_SIZE(dm646x_vpif_subdev),
587 	.i2c_adapter_id = 1,
588 	.chan_config[0] = {
589 		.outputs = dm6467_ch0_outputs,
590 		.output_count = ARRAY_SIZE(dm6467_ch0_outputs),
591 	},
592 	.card_name	= "DM646x EVM Video Display",
593 };
594 
595 /**
596  * setup_vpif_input_path()
597  * @channel: channel id (0 - CH0, 1 - CH1)
598  * @sub_dev_name: ptr sub device name
599  *
600  * This will set vpif input to capture data from tvp514x or
601  * tvp7002.
602  */
setup_vpif_input_path(int channel,const char * sub_dev_name)603 static int setup_vpif_input_path(int channel, const char *sub_dev_name)
604 {
605 	int err = 0;
606 	int val;
607 
608 	/* for channel 1, we don't do anything */
609 	if (channel != 0)
610 		return 0;
611 
612 	if (!cpld_client)
613 		return -ENXIO;
614 
615 	val = i2c_smbus_read_byte(cpld_client);
616 	if (val < 0)
617 		return val;
618 
619 	if (!strcmp(sub_dev_name, TVP5147_CH0) ||
620 	    !strcmp(sub_dev_name, TVP5147_CH1))
621 		val &= TVP5147_INPUT;
622 	else
623 		val |= TVP7002_INPUT;
624 
625 	err = i2c_smbus_write_byte(cpld_client, val);
626 	if (err)
627 		return err;
628 	return 0;
629 }
630 
631 /**
632  * setup_vpif_input_channel_mode()
633  * @mux_mode:  mux mode. 0 - 1 channel or (1) - 2 channel
634  *
635  * This will setup input mode to one channel (TVP7002) or 2 channel (TVP5147)
636  */
setup_vpif_input_channel_mode(int mux_mode)637 static int setup_vpif_input_channel_mode(int mux_mode)
638 {
639 	unsigned long flags;
640 	int err = 0;
641 	int val;
642 	u32 value;
643 
644 	if (!cpld_client)
645 		return -ENXIO;
646 
647 	val = i2c_smbus_read_byte(cpld_client);
648 	if (val < 0)
649 		return val;
650 
651 	spin_lock_irqsave(&vpif_reg_lock, flags);
652 	value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
653 	if (mux_mode) {
654 		val &= VPIF_INPUT_TWO_CHANNEL;
655 		value |= VIDCH1CLK;
656 	} else {
657 		val |= VPIF_INPUT_ONE_CHANNEL;
658 		value &= ~VIDCH1CLK;
659 	}
660 	__raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
661 	spin_unlock_irqrestore(&vpif_reg_lock, flags);
662 
663 	err = i2c_smbus_write_byte(cpld_client, val);
664 	if (err)
665 		return err;
666 
667 	return 0;
668 }
669 
670 static struct tvp514x_platform_data tvp5146_pdata = {
671 	.clk_polarity = 0,
672 	.hs_polarity = 1,
673 	.vs_polarity = 1
674 };
675 
676 #define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
677 
678 static struct vpif_subdev_info vpif_capture_sdev_info[] = {
679 	{
680 		.name	= TVP5147_CH0,
681 		.board_info = {
682 			I2C_BOARD_INFO("tvp5146", 0x5d),
683 			.platform_data = &tvp5146_pdata,
684 		},
685 	},
686 	{
687 		.name	= TVP5147_CH1,
688 		.board_info = {
689 			I2C_BOARD_INFO("tvp5146", 0x5c),
690 			.platform_data = &tvp5146_pdata,
691 		},
692 	},
693 };
694 
695 static struct vpif_input dm6467_ch0_inputs[] = {
696 	{
697 		.input = {
698 			.index = 0,
699 			.name = "Composite",
700 			.type = V4L2_INPUT_TYPE_CAMERA,
701 			.capabilities = V4L2_IN_CAP_STD,
702 			.std = TVP514X_STD_ALL,
703 		},
704 		.subdev_name = TVP5147_CH0,
705 		.input_route = INPUT_CVBS_VI2B,
706 		.output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC,
707 	},
708 };
709 
710 static struct vpif_input dm6467_ch1_inputs[] = {
711        {
712 		.input = {
713 			.index = 0,
714 			.name = "S-Video",
715 			.type = V4L2_INPUT_TYPE_CAMERA,
716 			.capabilities = V4L2_IN_CAP_STD,
717 			.std = TVP514X_STD_ALL,
718 		},
719 		.subdev_name = TVP5147_CH1,
720 		.input_route = INPUT_SVIDEO_VI2C_VI1C,
721 		.output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC,
722 	},
723 };
724 
725 static struct vpif_capture_config dm646x_vpif_capture_cfg = {
726 	.setup_input_path = setup_vpif_input_path,
727 	.setup_input_channel_mode = setup_vpif_input_channel_mode,
728 	.subdev_info = vpif_capture_sdev_info,
729 	.subdev_count = ARRAY_SIZE(vpif_capture_sdev_info),
730 	.i2c_adapter_id = 1,
731 	.chan_config[0] = {
732 		.inputs = dm6467_ch0_inputs,
733 		.input_count = ARRAY_SIZE(dm6467_ch0_inputs),
734 		.vpif_if = {
735 			.if_type = VPIF_IF_BT656,
736 			.hd_pol = 1,
737 			.vd_pol = 1,
738 			.fid_pol = 0,
739 		},
740 	},
741 	.chan_config[1] = {
742 		.inputs = dm6467_ch1_inputs,
743 		.input_count = ARRAY_SIZE(dm6467_ch1_inputs),
744 		.vpif_if = {
745 			.if_type = VPIF_IF_BT656,
746 			.hd_pol = 1,
747 			.vd_pol = 1,
748 			.fid_pol = 0,
749 		},
750 	},
751 	.card_name = "DM646x EVM Video Capture",
752 };
753 
evm_init_video(void)754 static void __init evm_init_video(void)
755 {
756 	spin_lock_init(&vpif_reg_lock);
757 
758 	dm646x_setup_vpif(&dm646x_vpif_display_config,
759 			  &dm646x_vpif_capture_cfg);
760 }
761 
evm_init_i2c(void)762 static void __init evm_init_i2c(void)
763 {
764 	davinci_init_i2c(&i2c_pdata);
765 	i2c_add_driver(&dm6467evm_cpld_driver);
766 	i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
767 	evm_init_cpld();
768 	evm_init_video();
769 }
770 #endif
771 
772 #define DM646X_REF_FREQ			27000000
773 #define DM646X_AUX_FREQ			24000000
774 #define DM6467T_EVM_REF_FREQ		33000000
775 
davinci_map_io(void)776 static void __init davinci_map_io(void)
777 {
778 	dm646x_init();
779 }
780 
dm646x_evm_init_time(void)781 static void __init dm646x_evm_init_time(void)
782 {
783 	dm646x_init_time(DM646X_REF_FREQ, DM646X_AUX_FREQ);
784 }
785 
dm6467t_evm_init_time(void)786 static void __init dm6467t_evm_init_time(void)
787 {
788 	dm646x_init_time(DM6467T_EVM_REF_FREQ, DM646X_AUX_FREQ);
789 }
790 
791 #define DM646X_EVM_PHY_ID		"davinci_mdio-0:01"
792 /*
793  * The following EDMA channels/slots are not being used by drivers (for
794  * example: Timer, GPIO, UART events etc) on dm646x, hence they are being
795  * reserved for codecs on the DSP side.
796  */
797 static const s16 dm646x_dma_rsv_chans[][2] = {
798 	/* (offset, number) */
799 	{ 0,  4},
800 	{13,  3},
801 	{24,  4},
802 	{30,  2},
803 	{54,  3},
804 	{-1, -1}
805 };
806 
807 static const s16 dm646x_dma_rsv_slots[][2] = {
808 	/* (offset, number) */
809 	{ 0,  4},
810 	{13,  3},
811 	{24,  4},
812 	{30,  2},
813 	{54,  3},
814 	{128, 384},
815 	{-1, -1}
816 };
817 
818 static struct edma_rsv_info dm646x_edma_rsv[] = {
819 	{
820 		.rsv_chans	= dm646x_dma_rsv_chans,
821 		.rsv_slots	= dm646x_dma_rsv_slots,
822 	},
823 };
824 
evm_init(void)825 static __init void evm_init(void)
826 {
827 	int ret;
828 	struct davinci_soc_info *soc_info = &davinci_soc_info;
829 
830 	dm646x_register_clocks();
831 
832 	ret = dm646x_gpio_register();
833 	if (ret)
834 		pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
835 
836 #ifdef CONFIG_I2C
837 	nvmem_add_cell_table(&dm646x_evm_nvmem_cell_table);
838 	nvmem_add_cell_lookups(&dm646x_evm_nvmem_cell_lookup, 1);
839 	evm_init_i2c();
840 #endif
841 
842 	davinci_serial_init(dm646x_serial_device);
843 	dm646x_init_mcasp0(&dm646x_evm_snd_data[0]);
844 	dm646x_init_mcasp1(&dm646x_evm_snd_data[1]);
845 
846 	if (machine_is_davinci_dm6467tevm())
847 		davinci_nand_data.timing = &dm6467tevm_nandflash_timing;
848 
849 	if (platform_device_register(&davinci_aemif_device))
850 		pr_warn("%s: Cannot register AEMIF device.\n", __func__);
851 
852 	dm646x_init_edma(dm646x_edma_rsv);
853 
854 	if (HAS_ATA)
855 		davinci_init_ide();
856 
857 	soc_info->emac_pdata->phy_id = DM646X_EVM_PHY_ID;
858 }
859 
860 MACHINE_START(DAVINCI_DM6467_EVM, "DaVinci DM646x EVM")
861 	.atag_offset  = 0x100,
862 	.map_io       = davinci_map_io,
863 	.init_irq     = dm646x_init_irq,
864 	.init_time	= dm646x_evm_init_time,
865 	.init_machine = evm_init,
866 	.init_late	= davinci_init_late,
867 	.dma_zone_size	= SZ_128M,
868 MACHINE_END
869 
870 MACHINE_START(DAVINCI_DM6467TEVM, "DaVinci DM6467T EVM")
871 	.atag_offset  = 0x100,
872 	.map_io       = davinci_map_io,
873 	.init_irq     = dm646x_init_irq,
874 	.init_time	= dm6467t_evm_init_time,
875 	.init_machine = evm_init,
876 	.init_late	= davinci_init_late,
877 	.dma_zone_size	= SZ_128M,
878 MACHINE_END
879 
880