board-dm646x-evm.c 18 KB

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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. * Included Files
  16. **************************************************************************/
  17. #include <linux/kernel.h>
  18. #include <linux/init.h>
  19. #include <linux/leds.h>
  20. #include <linux/gpio.h>
  21. #include <linux/platform_device.h>
  22. #include <linux/i2c.h>
  23. #include <linux/i2c/at24.h>
  24. #include <linux/i2c/pcf857x.h>
  25. #include <media/tvp514x.h>
  26. #include <media/adv7343.h>
  27. #include <linux/mtd/mtd.h>
  28. #include <linux/mtd/nand.h>
  29. #include <linux/mtd/partitions.h>
  30. #include <linux/clk.h>
  31. #include <linux/export.h>
  32. #include <asm/mach-types.h>
  33. #include <asm/mach/arch.h>
  34. #include <mach/common.h>
  35. #include <mach/serial.h>
  36. #include <linux/platform_data/i2c-davinci.h>
  37. #include <linux/platform_data/mtd-davinci.h>
  38. #include <mach/clock.h>
  39. #include <mach/cdce949.h>
  40. #include <linux/platform_data/mtd-davinci-aemif.h>
  41. #include "davinci.h"
  42. #include "clock.h"
  43. #define NAND_BLOCK_SIZE SZ_128K
  44. /* Note: We are setting first partition as 'bootloader' constituting UBL, U-Boot
  45. * and U-Boot environment this avoids dependency on any particular combination
  46. * of UBL, U-Boot or flashing tools etc.
  47. */
  48. static struct mtd_partition davinci_nand_partitions[] = {
  49. {
  50. /* UBL, U-Boot with environment */
  51. .name = "bootloader",
  52. .offset = MTDPART_OFS_APPEND,
  53. .size = 16 * NAND_BLOCK_SIZE,
  54. .mask_flags = MTD_WRITEABLE, /* force read-only */
  55. }, {
  56. .name = "kernel",
  57. .offset = MTDPART_OFS_APPEND,
  58. .size = SZ_4M,
  59. .mask_flags = 0,
  60. }, {
  61. .name = "filesystem",
  62. .offset = MTDPART_OFS_APPEND,
  63. .size = MTDPART_SIZ_FULL,
  64. .mask_flags = 0,
  65. }
  66. };
  67. static struct davinci_aemif_timing dm6467tevm_nandflash_timing = {
  68. .wsetup = 29,
  69. .wstrobe = 24,
  70. .whold = 14,
  71. .rsetup = 19,
  72. .rstrobe = 33,
  73. .rhold = 0,
  74. .ta = 29,
  75. };
  76. static struct davinci_nand_pdata davinci_nand_data = {
  77. .mask_cle = 0x80000,
  78. .mask_ale = 0x40000,
  79. .parts = davinci_nand_partitions,
  80. .nr_parts = ARRAY_SIZE(davinci_nand_partitions),
  81. .ecc_mode = NAND_ECC_HW,
  82. .ecc_bits = 1,
  83. .options = 0,
  84. };
  85. static struct resource davinci_nand_resources[] = {
  86. {
  87. .start = DM646X_ASYNC_EMIF_CS2_SPACE_BASE,
  88. .end = DM646X_ASYNC_EMIF_CS2_SPACE_BASE + SZ_32M - 1,
  89. .flags = IORESOURCE_MEM,
  90. }, {
  91. .start = DM646X_ASYNC_EMIF_CONTROL_BASE,
  92. .end = DM646X_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
  93. .flags = IORESOURCE_MEM,
  94. },
  95. };
  96. static struct platform_device davinci_nand_device = {
  97. .name = "davinci_nand",
  98. .id = 0,
  99. .num_resources = ARRAY_SIZE(davinci_nand_resources),
  100. .resource = davinci_nand_resources,
  101. .dev = {
  102. .platform_data = &davinci_nand_data,
  103. },
  104. };
  105. #define HAS_ATA IS_ENABLED(CONFIG_BLK_DEV_PALMCHIP_BK3710)
  106. /* CPLD Register 0 bits to control ATA */
  107. #define DM646X_EVM_ATA_RST BIT(0)
  108. #define DM646X_EVM_ATA_PWD BIT(1)
  109. /* CPLD Register 0 Client: used for I/O Control */
  110. static int cpld_reg0_probe(struct i2c_client *client,
  111. const struct i2c_device_id *id)
  112. {
  113. if (HAS_ATA) {
  114. u8 data;
  115. struct i2c_msg msg[2] = {
  116. {
  117. .addr = client->addr,
  118. .flags = I2C_M_RD,
  119. .len = 1,
  120. .buf = &data,
  121. },
  122. {
  123. .addr = client->addr,
  124. .flags = 0,
  125. .len = 1,
  126. .buf = &data,
  127. },
  128. };
  129. /* Clear ATA_RSTn and ATA_PWD bits to enable ATA operation. */
  130. i2c_transfer(client->adapter, msg, 1);
  131. data &= ~(DM646X_EVM_ATA_RST | DM646X_EVM_ATA_PWD);
  132. i2c_transfer(client->adapter, msg + 1, 1);
  133. }
  134. return 0;
  135. }
  136. static const struct i2c_device_id cpld_reg_ids[] = {
  137. { "cpld_reg0", 0, },
  138. { },
  139. };
  140. static struct i2c_driver dm6467evm_cpld_driver = {
  141. .driver.name = "cpld_reg0",
  142. .id_table = cpld_reg_ids,
  143. .probe = cpld_reg0_probe,
  144. };
  145. /* LEDS */
  146. static struct gpio_led evm_leds[] = {
  147. { .name = "DS1", .active_low = 1, },
  148. { .name = "DS2", .active_low = 1, },
  149. { .name = "DS3", .active_low = 1, },
  150. { .name = "DS4", .active_low = 1, },
  151. };
  152. static const struct gpio_led_platform_data evm_led_data = {
  153. .num_leds = ARRAY_SIZE(evm_leds),
  154. .leds = evm_leds,
  155. };
  156. static struct platform_device *evm_led_dev;
  157. static int evm_led_setup(struct i2c_client *client, int gpio,
  158. unsigned int ngpio, void *c)
  159. {
  160. struct gpio_led *leds = evm_leds;
  161. int status;
  162. while (ngpio--) {
  163. leds->gpio = gpio++;
  164. leds++;
  165. }
  166. evm_led_dev = platform_device_alloc("leds-gpio", 0);
  167. platform_device_add_data(evm_led_dev, &evm_led_data,
  168. sizeof(evm_led_data));
  169. evm_led_dev->dev.parent = &client->dev;
  170. status = platform_device_add(evm_led_dev);
  171. if (status < 0) {
  172. platform_device_put(evm_led_dev);
  173. evm_led_dev = NULL;
  174. }
  175. return status;
  176. }
  177. static int evm_led_teardown(struct i2c_client *client, int gpio,
  178. unsigned ngpio, void *c)
  179. {
  180. if (evm_led_dev) {
  181. platform_device_unregister(evm_led_dev);
  182. evm_led_dev = NULL;
  183. }
  184. return 0;
  185. }
  186. static int evm_sw_gpio[4] = { -EINVAL, -EINVAL, -EINVAL, -EINVAL };
  187. static int evm_sw_setup(struct i2c_client *client, int gpio,
  188. unsigned ngpio, void *c)
  189. {
  190. int status;
  191. int i;
  192. char label[10];
  193. for (i = 0; i < 4; ++i) {
  194. snprintf(label, 10, "user_sw%d", i);
  195. status = gpio_request(gpio, label);
  196. if (status)
  197. goto out_free;
  198. evm_sw_gpio[i] = gpio++;
  199. status = gpio_direction_input(evm_sw_gpio[i]);
  200. if (status) {
  201. gpio_free(evm_sw_gpio[i]);
  202. evm_sw_gpio[i] = -EINVAL;
  203. goto out_free;
  204. }
  205. status = gpio_export(evm_sw_gpio[i], 0);
  206. if (status) {
  207. gpio_free(evm_sw_gpio[i]);
  208. evm_sw_gpio[i] = -EINVAL;
  209. goto out_free;
  210. }
  211. }
  212. return status;
  213. out_free:
  214. for (i = 0; i < 4; ++i) {
  215. if (evm_sw_gpio[i] != -EINVAL) {
  216. gpio_free(evm_sw_gpio[i]);
  217. evm_sw_gpio[i] = -EINVAL;
  218. }
  219. }
  220. return status;
  221. }
  222. static int evm_sw_teardown(struct i2c_client *client, int gpio,
  223. unsigned ngpio, void *c)
  224. {
  225. int i;
  226. for (i = 0; i < 4; ++i) {
  227. if (evm_sw_gpio[i] != -EINVAL) {
  228. gpio_unexport(evm_sw_gpio[i]);
  229. gpio_free(evm_sw_gpio[i]);
  230. evm_sw_gpio[i] = -EINVAL;
  231. }
  232. }
  233. return 0;
  234. }
  235. static int evm_pcf_setup(struct i2c_client *client, int gpio,
  236. unsigned int ngpio, void *c)
  237. {
  238. int status;
  239. if (ngpio < 8)
  240. return -EINVAL;
  241. status = evm_sw_setup(client, gpio, 4, c);
  242. if (status)
  243. return status;
  244. return evm_led_setup(client, gpio+4, 4, c);
  245. }
  246. static int evm_pcf_teardown(struct i2c_client *client, int gpio,
  247. unsigned int ngpio, void *c)
  248. {
  249. BUG_ON(ngpio < 8);
  250. evm_sw_teardown(client, gpio, 4, c);
  251. evm_led_teardown(client, gpio+4, 4, c);
  252. return 0;
  253. }
  254. static struct pcf857x_platform_data pcf_data = {
  255. .gpio_base = DAVINCI_N_GPIO+1,
  256. .setup = evm_pcf_setup,
  257. .teardown = evm_pcf_teardown,
  258. };
  259. /* Most of this EEPROM is unused, but U-Boot uses some data:
  260. * - 0x7f00, 6 bytes Ethernet Address
  261. * - ... newer boards may have more
  262. */
  263. static struct at24_platform_data eeprom_info = {
  264. .byte_len = (256*1024) / 8,
  265. .page_size = 64,
  266. .flags = AT24_FLAG_ADDR16,
  267. .setup = davinci_get_mac_addr,
  268. .context = (void *)0x7f00,
  269. };
  270. static u8 dm646x_iis_serializer_direction[] = {
  271. TX_MODE, RX_MODE, INACTIVE_MODE, INACTIVE_MODE,
  272. };
  273. static u8 dm646x_dit_serializer_direction[] = {
  274. TX_MODE,
  275. };
  276. static struct snd_platform_data dm646x_evm_snd_data[] = {
  277. {
  278. .tx_dma_offset = 0x400,
  279. .rx_dma_offset = 0x400,
  280. .op_mode = DAVINCI_MCASP_IIS_MODE,
  281. .num_serializer = ARRAY_SIZE(dm646x_iis_serializer_direction),
  282. .tdm_slots = 2,
  283. .serial_dir = dm646x_iis_serializer_direction,
  284. .asp_chan_q = EVENTQ_0,
  285. },
  286. {
  287. .tx_dma_offset = 0x400,
  288. .rx_dma_offset = 0,
  289. .op_mode = DAVINCI_MCASP_DIT_MODE,
  290. .num_serializer = ARRAY_SIZE(dm646x_dit_serializer_direction),
  291. .tdm_slots = 32,
  292. .serial_dir = dm646x_dit_serializer_direction,
  293. .asp_chan_q = EVENTQ_0,
  294. },
  295. };
  296. static struct i2c_client *cpld_client;
  297. static int cpld_video_probe(struct i2c_client *client,
  298. const struct i2c_device_id *id)
  299. {
  300. cpld_client = client;
  301. return 0;
  302. }
  303. static int cpld_video_remove(struct i2c_client *client)
  304. {
  305. cpld_client = NULL;
  306. return 0;
  307. }
  308. static const struct i2c_device_id cpld_video_id[] = {
  309. { "cpld_video", 0 },
  310. { }
  311. };
  312. static struct i2c_driver cpld_video_driver = {
  313. .driver = {
  314. .name = "cpld_video",
  315. },
  316. .probe = cpld_video_probe,
  317. .remove = cpld_video_remove,
  318. .id_table = cpld_video_id,
  319. };
  320. static void evm_init_cpld(void)
  321. {
  322. i2c_add_driver(&cpld_video_driver);
  323. }
  324. static struct i2c_board_info __initdata i2c_info[] = {
  325. {
  326. I2C_BOARD_INFO("24c256", 0x50),
  327. .platform_data = &eeprom_info,
  328. },
  329. {
  330. I2C_BOARD_INFO("pcf8574a", 0x38),
  331. .platform_data = &pcf_data,
  332. },
  333. {
  334. I2C_BOARD_INFO("cpld_reg0", 0x3a),
  335. },
  336. {
  337. I2C_BOARD_INFO("tlv320aic33", 0x18),
  338. },
  339. {
  340. I2C_BOARD_INFO("cpld_video", 0x3b),
  341. },
  342. {
  343. I2C_BOARD_INFO("cdce949", 0x6c),
  344. },
  345. };
  346. static struct davinci_i2c_platform_data i2c_pdata = {
  347. .bus_freq = 100 /* kHz */,
  348. .bus_delay = 0 /* usec */,
  349. };
  350. #define VCH2CLK_MASK (BIT_MASK(10) | BIT_MASK(9) | BIT_MASK(8))
  351. #define VCH2CLK_SYSCLK8 (BIT(9))
  352. #define VCH2CLK_AUXCLK (BIT(9) | BIT(8))
  353. #define VCH3CLK_MASK (BIT_MASK(14) | BIT_MASK(13) | BIT_MASK(12))
  354. #define VCH3CLK_SYSCLK8 (BIT(13))
  355. #define VCH3CLK_AUXCLK (BIT(14) | BIT(13))
  356. #define VIDCH2CLK (BIT(10))
  357. #define VIDCH3CLK (BIT(11))
  358. #define VIDCH1CLK (BIT(4))
  359. #define TVP7002_INPUT (BIT(4))
  360. #define TVP5147_INPUT (~BIT(4))
  361. #define VPIF_INPUT_ONE_CHANNEL (BIT(5))
  362. #define VPIF_INPUT_TWO_CHANNEL (~BIT(5))
  363. #define TVP5147_CH0 "tvp514x-0"
  364. #define TVP5147_CH1 "tvp514x-1"
  365. /* spin lock for updating above registers */
  366. static spinlock_t vpif_reg_lock;
  367. static int set_vpif_clock(int mux_mode, int hd)
  368. {
  369. unsigned long flags;
  370. unsigned int value;
  371. int val = 0;
  372. int err = 0;
  373. if (!cpld_client)
  374. return -ENXIO;
  375. /* disable the clock */
  376. spin_lock_irqsave(&vpif_reg_lock, flags);
  377. value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
  378. value |= (VIDCH3CLK | VIDCH2CLK);
  379. __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
  380. spin_unlock_irqrestore(&vpif_reg_lock, flags);
  381. val = i2c_smbus_read_byte(cpld_client);
  382. if (val < 0)
  383. return val;
  384. if (mux_mode == 1)
  385. val &= ~0x40;
  386. else
  387. val |= 0x40;
  388. err = i2c_smbus_write_byte(cpld_client, val);
  389. if (err)
  390. return err;
  391. value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
  392. value &= ~(VCH2CLK_MASK);
  393. value &= ~(VCH3CLK_MASK);
  394. if (hd >= 1)
  395. value |= (VCH2CLK_SYSCLK8 | VCH3CLK_SYSCLK8);
  396. else
  397. value |= (VCH2CLK_AUXCLK | VCH3CLK_AUXCLK);
  398. __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
  399. spin_lock_irqsave(&vpif_reg_lock, flags);
  400. value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
  401. /* enable the clock */
  402. value &= ~(VIDCH3CLK | VIDCH2CLK);
  403. __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
  404. spin_unlock_irqrestore(&vpif_reg_lock, flags);
  405. return 0;
  406. }
  407. static struct vpif_subdev_info dm646x_vpif_subdev[] = {
  408. {
  409. .name = "adv7343",
  410. .board_info = {
  411. I2C_BOARD_INFO("adv7343", 0x2a),
  412. },
  413. },
  414. {
  415. .name = "ths7303",
  416. .board_info = {
  417. I2C_BOARD_INFO("ths7303", 0x2c),
  418. },
  419. },
  420. };
  421. static const struct vpif_output dm6467_ch0_outputs[] = {
  422. {
  423. .output = {
  424. .index = 0,
  425. .name = "Composite",
  426. .type = V4L2_OUTPUT_TYPE_ANALOG,
  427. .capabilities = V4L2_OUT_CAP_STD,
  428. .std = V4L2_STD_ALL,
  429. },
  430. .subdev_name = "adv7343",
  431. .output_route = ADV7343_COMPOSITE_ID,
  432. },
  433. {
  434. .output = {
  435. .index = 1,
  436. .name = "Component",
  437. .type = V4L2_OUTPUT_TYPE_ANALOG,
  438. .capabilities = V4L2_OUT_CAP_DV_TIMINGS,
  439. },
  440. .subdev_name = "adv7343",
  441. .output_route = ADV7343_COMPONENT_ID,
  442. },
  443. {
  444. .output = {
  445. .index = 2,
  446. .name = "S-Video",
  447. .type = V4L2_OUTPUT_TYPE_ANALOG,
  448. .capabilities = V4L2_OUT_CAP_STD,
  449. .std = V4L2_STD_ALL,
  450. },
  451. .subdev_name = "adv7343",
  452. .output_route = ADV7343_SVIDEO_ID,
  453. },
  454. };
  455. static struct vpif_display_config dm646x_vpif_display_config = {
  456. .set_clock = set_vpif_clock,
  457. .subdevinfo = dm646x_vpif_subdev,
  458. .subdev_count = ARRAY_SIZE(dm646x_vpif_subdev),
  459. .chan_config[0] = {
  460. .outputs = dm6467_ch0_outputs,
  461. .output_count = ARRAY_SIZE(dm6467_ch0_outputs),
  462. },
  463. .card_name = "DM646x EVM",
  464. };
  465. /**
  466. * setup_vpif_input_path()
  467. * @channel: channel id (0 - CH0, 1 - CH1)
  468. * @sub_dev_name: ptr sub device name
  469. *
  470. * This will set vpif input to capture data from tvp514x or
  471. * tvp7002.
  472. */
  473. static int setup_vpif_input_path(int channel, const char *sub_dev_name)
  474. {
  475. int err = 0;
  476. int val;
  477. /* for channel 1, we don't do anything */
  478. if (channel != 0)
  479. return 0;
  480. if (!cpld_client)
  481. return -ENXIO;
  482. val = i2c_smbus_read_byte(cpld_client);
  483. if (val < 0)
  484. return val;
  485. if (!strcmp(sub_dev_name, TVP5147_CH0) ||
  486. !strcmp(sub_dev_name, TVP5147_CH1))
  487. val &= TVP5147_INPUT;
  488. else
  489. val |= TVP7002_INPUT;
  490. err = i2c_smbus_write_byte(cpld_client, val);
  491. if (err)
  492. return err;
  493. return 0;
  494. }
  495. /**
  496. * setup_vpif_input_channel_mode()
  497. * @mux_mode: mux mode. 0 - 1 channel or (1) - 2 channel
  498. *
  499. * This will setup input mode to one channel (TVP7002) or 2 channel (TVP5147)
  500. */
  501. static int setup_vpif_input_channel_mode(int mux_mode)
  502. {
  503. unsigned long flags;
  504. int err = 0;
  505. int val;
  506. u32 value;
  507. if (!cpld_client)
  508. return -ENXIO;
  509. val = i2c_smbus_read_byte(cpld_client);
  510. if (val < 0)
  511. return val;
  512. spin_lock_irqsave(&vpif_reg_lock, flags);
  513. value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
  514. if (mux_mode) {
  515. val &= VPIF_INPUT_TWO_CHANNEL;
  516. value |= VIDCH1CLK;
  517. } else {
  518. val |= VPIF_INPUT_ONE_CHANNEL;
  519. value &= ~VIDCH1CLK;
  520. }
  521. __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
  522. spin_unlock_irqrestore(&vpif_reg_lock, flags);
  523. err = i2c_smbus_write_byte(cpld_client, val);
  524. if (err)
  525. return err;
  526. return 0;
  527. }
  528. static struct tvp514x_platform_data tvp5146_pdata = {
  529. .clk_polarity = 0,
  530. .hs_polarity = 1,
  531. .vs_polarity = 1
  532. };
  533. #define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
  534. static struct vpif_subdev_info vpif_capture_sdev_info[] = {
  535. {
  536. .name = TVP5147_CH0,
  537. .board_info = {
  538. I2C_BOARD_INFO("tvp5146", 0x5d),
  539. .platform_data = &tvp5146_pdata,
  540. },
  541. },
  542. {
  543. .name = TVP5147_CH1,
  544. .board_info = {
  545. I2C_BOARD_INFO("tvp5146", 0x5c),
  546. .platform_data = &tvp5146_pdata,
  547. },
  548. },
  549. };
  550. static const struct vpif_input dm6467_ch0_inputs[] = {
  551. {
  552. .input = {
  553. .index = 0,
  554. .name = "Composite",
  555. .type = V4L2_INPUT_TYPE_CAMERA,
  556. .capabilities = V4L2_IN_CAP_STD,
  557. .std = TVP514X_STD_ALL,
  558. },
  559. .subdev_name = TVP5147_CH0,
  560. .input_route = INPUT_CVBS_VI2B,
  561. .output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC,
  562. },
  563. };
  564. static const struct vpif_input dm6467_ch1_inputs[] = {
  565. {
  566. .input = {
  567. .index = 0,
  568. .name = "S-Video",
  569. .type = V4L2_INPUT_TYPE_CAMERA,
  570. .capabilities = V4L2_IN_CAP_STD,
  571. .std = TVP514X_STD_ALL,
  572. },
  573. .subdev_name = TVP5147_CH1,
  574. .input_route = INPUT_SVIDEO_VI2C_VI1C,
  575. .output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC,
  576. },
  577. };
  578. static struct vpif_capture_config dm646x_vpif_capture_cfg = {
  579. .setup_input_path = setup_vpif_input_path,
  580. .setup_input_channel_mode = setup_vpif_input_channel_mode,
  581. .subdev_info = vpif_capture_sdev_info,
  582. .subdev_count = ARRAY_SIZE(vpif_capture_sdev_info),
  583. .chan_config[0] = {
  584. .inputs = dm6467_ch0_inputs,
  585. .input_count = ARRAY_SIZE(dm6467_ch0_inputs),
  586. .vpif_if = {
  587. .if_type = VPIF_IF_BT656,
  588. .hd_pol = 1,
  589. .vd_pol = 1,
  590. .fid_pol = 0,
  591. },
  592. },
  593. .chan_config[1] = {
  594. .inputs = dm6467_ch1_inputs,
  595. .input_count = ARRAY_SIZE(dm6467_ch1_inputs),
  596. .vpif_if = {
  597. .if_type = VPIF_IF_BT656,
  598. .hd_pol = 1,
  599. .vd_pol = 1,
  600. .fid_pol = 0,
  601. },
  602. },
  603. };
  604. static void __init evm_init_video(void)
  605. {
  606. spin_lock_init(&vpif_reg_lock);
  607. dm646x_setup_vpif(&dm646x_vpif_display_config,
  608. &dm646x_vpif_capture_cfg);
  609. }
  610. static void __init evm_init_i2c(void)
  611. {
  612. davinci_init_i2c(&i2c_pdata);
  613. i2c_add_driver(&dm6467evm_cpld_driver);
  614. i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
  615. evm_init_cpld();
  616. evm_init_video();
  617. }
  618. #define CDCE949_XIN_RATE 27000000
  619. /* CDCE949 support - "lpsc" field is overridden to work as clock number */
  620. static struct clk cdce_clk_in = {
  621. .name = "cdce_xin",
  622. .rate = CDCE949_XIN_RATE,
  623. };
  624. static struct clk_lookup cdce_clks[] = {
  625. CLK(NULL, "xin", &cdce_clk_in),
  626. CLK(NULL, NULL, NULL),
  627. };
  628. static void __init cdce_clk_init(void)
  629. {
  630. struct clk_lookup *c;
  631. struct clk *clk;
  632. for (c = cdce_clks; c->clk; c++) {
  633. clk = c->clk;
  634. clkdev_add(c);
  635. clk_register(clk);
  636. }
  637. }
  638. #define DM6467T_EVM_REF_FREQ 33000000
  639. static void __init davinci_map_io(void)
  640. {
  641. dm646x_init();
  642. if (machine_is_davinci_dm6467tevm())
  643. davinci_set_refclk_rate(DM6467T_EVM_REF_FREQ);
  644. cdce_clk_init();
  645. }
  646. #define DM646X_EVM_PHY_ID "davinci_mdio-0:01"
  647. /*
  648. * The following EDMA channels/slots are not being used by drivers (for
  649. * example: Timer, GPIO, UART events etc) on dm646x, hence they are being
  650. * reserved for codecs on the DSP side.
  651. */
  652. static const s16 dm646x_dma_rsv_chans[][2] = {
  653. /* (offset, number) */
  654. { 0, 4},
  655. {13, 3},
  656. {24, 4},
  657. {30, 2},
  658. {54, 3},
  659. {-1, -1}
  660. };
  661. static const s16 dm646x_dma_rsv_slots[][2] = {
  662. /* (offset, number) */
  663. { 0, 4},
  664. {13, 3},
  665. {24, 4},
  666. {30, 2},
  667. {54, 3},
  668. {128, 384},
  669. {-1, -1}
  670. };
  671. static struct edma_rsv_info dm646x_edma_rsv[] = {
  672. {
  673. .rsv_chans = dm646x_dma_rsv_chans,
  674. .rsv_slots = dm646x_dma_rsv_slots,
  675. },
  676. };
  677. static __init void evm_init(void)
  678. {
  679. struct davinci_soc_info *soc_info = &davinci_soc_info;
  680. evm_init_i2c();
  681. davinci_serial_init(dm646x_serial_device);
  682. dm646x_init_mcasp0(&dm646x_evm_snd_data[0]);
  683. dm646x_init_mcasp1(&dm646x_evm_snd_data[1]);
  684. if (machine_is_davinci_dm6467tevm())
  685. davinci_nand_data.timing = &dm6467tevm_nandflash_timing;
  686. platform_device_register(&davinci_nand_device);
  687. dm646x_init_edma(dm646x_edma_rsv);
  688. if (HAS_ATA)
  689. davinci_init_ide();
  690. soc_info->emac_pdata->phy_id = DM646X_EVM_PHY_ID;
  691. }
  692. MACHINE_START(DAVINCI_DM6467_EVM, "DaVinci DM646x EVM")
  693. .atag_offset = 0x100,
  694. .map_io = davinci_map_io,
  695. .init_irq = davinci_irq_init,
  696. .init_time = davinci_timer_init,
  697. .init_machine = evm_init,
  698. .init_late = davinci_init_late,
  699. .dma_zone_size = SZ_128M,
  700. .restart = davinci_restart,
  701. MACHINE_END
  702. MACHINE_START(DAVINCI_DM6467TEVM, "DaVinci DM6467T EVM")
  703. .atag_offset = 0x100,
  704. .map_io = davinci_map_io,
  705. .init_irq = davinci_irq_init,
  706. .init_time = davinci_timer_init,
  707. .init_machine = evm_init,
  708. .init_late = davinci_init_late,
  709. .dma_zone_size = SZ_128M,
  710. .restart = davinci_restart,
  711. MACHINE_END