mach-pcm037.c 17 KB

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  1. /*
  2. * Copyright (C) 2008 Sascha Hauer, Pengutronix
  3. *
  4. * This program is free software; you can redistribute it and/or modify
  5. * it under the terms of the GNU General Public License as published by
  6. * the Free Software Foundation; either version 2 of the License, or
  7. * (at your option) any later version.
  8. *
  9. * This program is distributed in the hope that it will be useful,
  10. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. * GNU General Public License for more details.
  13. */
  14. #include <linux/types.h>
  15. #include <linux/init.h>
  16. #include <linux/dma-mapping.h>
  17. #include <linux/platform_device.h>
  18. #include <linux/mtd/physmap.h>
  19. #include <linux/mtd/plat-ram.h>
  20. #include <linux/memory.h>
  21. #include <linux/gpio.h>
  22. #include <linux/smsc911x.h>
  23. #include <linux/interrupt.h>
  24. #include <linux/i2c.h>
  25. #include <linux/i2c/at24.h>
  26. #include <linux/delay.h>
  27. #include <linux/spi/spi.h>
  28. #include <linux/irq.h>
  29. #include <linux/can/platform/sja1000.h>
  30. #include <linux/usb/otg.h>
  31. #include <linux/usb/ulpi.h>
  32. #include <linux/gfp.h>
  33. #include <linux/memblock.h>
  34. #include <media/soc_camera.h>
  35. #include <asm/mach-types.h>
  36. #include <asm/mach/arch.h>
  37. #include <asm/mach/time.h>
  38. #include <asm/mach/map.h>
  39. #include <mach/common.h>
  40. #include <mach/hardware.h>
  41. #include <mach/iomux-mx3.h>
  42. #include <mach/ulpi.h>
  43. #include "devices-imx31.h"
  44. #include "pcm037.h"
  45. static enum pcm037_board_variant pcm037_instance = PCM037_PCM970;
  46. static int __init pcm037_variant_setup(char *str)
  47. {
  48. if (!strcmp("eet", str))
  49. pcm037_instance = PCM037_EET;
  50. else if (strcmp("pcm970", str))
  51. pr_warning("Unknown pcm037 baseboard variant %s\n", str);
  52. return 1;
  53. }
  54. /* Supported values: "pcm970" (default) and "eet" */
  55. __setup("pcm037_variant=", pcm037_variant_setup);
  56. enum pcm037_board_variant pcm037_variant(void)
  57. {
  58. return pcm037_instance;
  59. }
  60. /* UART1 with RTS/CTS handshake signals */
  61. static unsigned int pcm037_uart1_handshake_pins[] = {
  62. MX31_PIN_CTS1__CTS1,
  63. MX31_PIN_RTS1__RTS1,
  64. MX31_PIN_TXD1__TXD1,
  65. MX31_PIN_RXD1__RXD1,
  66. };
  67. /* UART1 without RTS/CTS handshake signals */
  68. static unsigned int pcm037_uart1_pins[] = {
  69. MX31_PIN_TXD1__TXD1,
  70. MX31_PIN_RXD1__RXD1,
  71. };
  72. static unsigned int pcm037_pins[] = {
  73. /* I2C */
  74. MX31_PIN_CSPI2_MOSI__SCL,
  75. MX31_PIN_CSPI2_MISO__SDA,
  76. MX31_PIN_CSPI2_SS2__I2C3_SDA,
  77. MX31_PIN_CSPI2_SCLK__I2C3_SCL,
  78. /* SDHC1 */
  79. MX31_PIN_SD1_DATA3__SD1_DATA3,
  80. MX31_PIN_SD1_DATA2__SD1_DATA2,
  81. MX31_PIN_SD1_DATA1__SD1_DATA1,
  82. MX31_PIN_SD1_DATA0__SD1_DATA0,
  83. MX31_PIN_SD1_CLK__SD1_CLK,
  84. MX31_PIN_SD1_CMD__SD1_CMD,
  85. IOMUX_MODE(MX31_PIN_SCK6, IOMUX_CONFIG_GPIO), /* card detect */
  86. IOMUX_MODE(MX31_PIN_SFS6, IOMUX_CONFIG_GPIO), /* write protect */
  87. /* SPI1 */
  88. MX31_PIN_CSPI1_MOSI__MOSI,
  89. MX31_PIN_CSPI1_MISO__MISO,
  90. MX31_PIN_CSPI1_SCLK__SCLK,
  91. MX31_PIN_CSPI1_SPI_RDY__SPI_RDY,
  92. MX31_PIN_CSPI1_SS0__SS0,
  93. MX31_PIN_CSPI1_SS1__SS1,
  94. MX31_PIN_CSPI1_SS2__SS2,
  95. /* UART2 */
  96. MX31_PIN_TXD2__TXD2,
  97. MX31_PIN_RXD2__RXD2,
  98. MX31_PIN_CTS2__CTS2,
  99. MX31_PIN_RTS2__RTS2,
  100. /* UART3 */
  101. MX31_PIN_CSPI3_MOSI__RXD3,
  102. MX31_PIN_CSPI3_MISO__TXD3,
  103. MX31_PIN_CSPI3_SCLK__RTS3,
  104. MX31_PIN_CSPI3_SPI_RDY__CTS3,
  105. /* LAN9217 irq pin */
  106. IOMUX_MODE(MX31_PIN_GPIO3_1, IOMUX_CONFIG_GPIO),
  107. /* Onewire */
  108. MX31_PIN_BATT_LINE__OWIRE,
  109. /* Framebuffer */
  110. MX31_PIN_LD0__LD0,
  111. MX31_PIN_LD1__LD1,
  112. MX31_PIN_LD2__LD2,
  113. MX31_PIN_LD3__LD3,
  114. MX31_PIN_LD4__LD4,
  115. MX31_PIN_LD5__LD5,
  116. MX31_PIN_LD6__LD6,
  117. MX31_PIN_LD7__LD7,
  118. MX31_PIN_LD8__LD8,
  119. MX31_PIN_LD9__LD9,
  120. MX31_PIN_LD10__LD10,
  121. MX31_PIN_LD11__LD11,
  122. MX31_PIN_LD12__LD12,
  123. MX31_PIN_LD13__LD13,
  124. MX31_PIN_LD14__LD14,
  125. MX31_PIN_LD15__LD15,
  126. MX31_PIN_LD16__LD16,
  127. MX31_PIN_LD17__LD17,
  128. MX31_PIN_VSYNC3__VSYNC3,
  129. MX31_PIN_HSYNC__HSYNC,
  130. MX31_PIN_FPSHIFT__FPSHIFT,
  131. MX31_PIN_DRDY0__DRDY0,
  132. MX31_PIN_D3_REV__D3_REV,
  133. MX31_PIN_CONTRAST__CONTRAST,
  134. MX31_PIN_D3_SPL__D3_SPL,
  135. MX31_PIN_D3_CLS__D3_CLS,
  136. MX31_PIN_LCS0__GPI03_23,
  137. /* CSI */
  138. IOMUX_MODE(MX31_PIN_CSI_D5, IOMUX_CONFIG_GPIO),
  139. MX31_PIN_CSI_D6__CSI_D6,
  140. MX31_PIN_CSI_D7__CSI_D7,
  141. MX31_PIN_CSI_D8__CSI_D8,
  142. MX31_PIN_CSI_D9__CSI_D9,
  143. MX31_PIN_CSI_D10__CSI_D10,
  144. MX31_PIN_CSI_D11__CSI_D11,
  145. MX31_PIN_CSI_D12__CSI_D12,
  146. MX31_PIN_CSI_D13__CSI_D13,
  147. MX31_PIN_CSI_D14__CSI_D14,
  148. MX31_PIN_CSI_D15__CSI_D15,
  149. MX31_PIN_CSI_HSYNC__CSI_HSYNC,
  150. MX31_PIN_CSI_MCLK__CSI_MCLK,
  151. MX31_PIN_CSI_PIXCLK__CSI_PIXCLK,
  152. MX31_PIN_CSI_VSYNC__CSI_VSYNC,
  153. /* GPIO */
  154. IOMUX_MODE(MX31_PIN_ATA_DMACK, IOMUX_CONFIG_GPIO),
  155. /* OTG */
  156. MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
  157. MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
  158. MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
  159. MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
  160. MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
  161. MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
  162. MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
  163. MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
  164. MX31_PIN_USBOTG_CLK__USBOTG_CLK,
  165. MX31_PIN_USBOTG_DIR__USBOTG_DIR,
  166. MX31_PIN_USBOTG_NXT__USBOTG_NXT,
  167. MX31_PIN_USBOTG_STP__USBOTG_STP,
  168. /* USB host 2 */
  169. IOMUX_MODE(MX31_PIN_USBH2_CLK, IOMUX_CONFIG_FUNC),
  170. IOMUX_MODE(MX31_PIN_USBH2_DIR, IOMUX_CONFIG_FUNC),
  171. IOMUX_MODE(MX31_PIN_USBH2_NXT, IOMUX_CONFIG_FUNC),
  172. IOMUX_MODE(MX31_PIN_USBH2_STP, IOMUX_CONFIG_FUNC),
  173. IOMUX_MODE(MX31_PIN_USBH2_DATA0, IOMUX_CONFIG_FUNC),
  174. IOMUX_MODE(MX31_PIN_USBH2_DATA1, IOMUX_CONFIG_FUNC),
  175. IOMUX_MODE(MX31_PIN_STXD3, IOMUX_CONFIG_FUNC),
  176. IOMUX_MODE(MX31_PIN_SRXD3, IOMUX_CONFIG_FUNC),
  177. IOMUX_MODE(MX31_PIN_SCK3, IOMUX_CONFIG_FUNC),
  178. IOMUX_MODE(MX31_PIN_SFS3, IOMUX_CONFIG_FUNC),
  179. IOMUX_MODE(MX31_PIN_STXD6, IOMUX_CONFIG_FUNC),
  180. IOMUX_MODE(MX31_PIN_SRXD6, IOMUX_CONFIG_FUNC),
  181. };
  182. static struct physmap_flash_data pcm037_flash_data = {
  183. .width = 2,
  184. };
  185. static struct resource pcm037_flash_resource = {
  186. .start = 0xa0000000,
  187. .end = 0xa1ffffff,
  188. .flags = IORESOURCE_MEM,
  189. };
  190. static struct platform_device pcm037_flash = {
  191. .name = "physmap-flash",
  192. .id = 0,
  193. .dev = {
  194. .platform_data = &pcm037_flash_data,
  195. },
  196. .resource = &pcm037_flash_resource,
  197. .num_resources = 1,
  198. };
  199. static const struct imxuart_platform_data uart_pdata __initconst = {
  200. .flags = IMXUART_HAVE_RTSCTS,
  201. };
  202. static struct resource smsc911x_resources[] = {
  203. {
  204. .start = MX31_CS1_BASE_ADDR + 0x300,
  205. .end = MX31_CS1_BASE_ADDR + 0x300 + SZ_64K - 1,
  206. .flags = IORESOURCE_MEM,
  207. }, {
  208. .start = IOMUX_TO_IRQ(MX31_PIN_GPIO3_1),
  209. .end = IOMUX_TO_IRQ(MX31_PIN_GPIO3_1),
  210. .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
  211. },
  212. };
  213. static struct smsc911x_platform_config smsc911x_info = {
  214. .flags = SMSC911X_USE_32BIT | SMSC911X_FORCE_INTERNAL_PHY |
  215. SMSC911X_SAVE_MAC_ADDRESS,
  216. .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
  217. .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
  218. .phy_interface = PHY_INTERFACE_MODE_MII,
  219. };
  220. static struct platform_device pcm037_eth = {
  221. .name = "smsc911x",
  222. .id = -1,
  223. .num_resources = ARRAY_SIZE(smsc911x_resources),
  224. .resource = smsc911x_resources,
  225. .dev = {
  226. .platform_data = &smsc911x_info,
  227. },
  228. };
  229. static struct platdata_mtd_ram pcm038_sram_data = {
  230. .bankwidth = 2,
  231. };
  232. static struct resource pcm038_sram_resource = {
  233. .start = MX31_CS4_BASE_ADDR,
  234. .end = MX31_CS4_BASE_ADDR + 512 * 1024 - 1,
  235. .flags = IORESOURCE_MEM,
  236. };
  237. static struct platform_device pcm037_sram_device = {
  238. .name = "mtd-ram",
  239. .id = 0,
  240. .dev = {
  241. .platform_data = &pcm038_sram_data,
  242. },
  243. .num_resources = 1,
  244. .resource = &pcm038_sram_resource,
  245. };
  246. static const struct mxc_nand_platform_data
  247. pcm037_nand_board_info __initconst = {
  248. .width = 1,
  249. .hw_ecc = 1,
  250. };
  251. static const struct imxi2c_platform_data pcm037_i2c1_data __initconst = {
  252. .bitrate = 100000,
  253. };
  254. static const struct imxi2c_platform_data pcm037_i2c2_data __initconst = {
  255. .bitrate = 20000,
  256. };
  257. static struct at24_platform_data board_eeprom = {
  258. .byte_len = 4096,
  259. .page_size = 32,
  260. .flags = AT24_FLAG_ADDR16,
  261. };
  262. static int pcm037_camera_power(struct device *dev, int on)
  263. {
  264. /* disable or enable the camera in X7 or X8 PCM970 connector */
  265. gpio_set_value(IOMUX_TO_GPIO(MX31_PIN_CSI_D5), !on);
  266. return 0;
  267. }
  268. static struct i2c_board_info pcm037_i2c_camera[] = {
  269. {
  270. I2C_BOARD_INFO("mt9t031", 0x5d),
  271. }, {
  272. I2C_BOARD_INFO("mt9v022", 0x48),
  273. },
  274. };
  275. static struct soc_camera_link iclink_mt9v022 = {
  276. .bus_id = 0, /* Must match with the camera ID */
  277. .board_info = &pcm037_i2c_camera[1],
  278. .i2c_adapter_id = 2,
  279. };
  280. static struct soc_camera_link iclink_mt9t031 = {
  281. .bus_id = 0, /* Must match with the camera ID */
  282. .power = pcm037_camera_power,
  283. .board_info = &pcm037_i2c_camera[0],
  284. .i2c_adapter_id = 2,
  285. };
  286. static struct i2c_board_info pcm037_i2c_devices[] = {
  287. {
  288. I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
  289. .platform_data = &board_eeprom,
  290. }, {
  291. I2C_BOARD_INFO("pcf8563", 0x51),
  292. }
  293. };
  294. static struct platform_device pcm037_mt9t031 = {
  295. .name = "soc-camera-pdrv",
  296. .id = 0,
  297. .dev = {
  298. .platform_data = &iclink_mt9t031,
  299. },
  300. };
  301. static struct platform_device pcm037_mt9v022 = {
  302. .name = "soc-camera-pdrv",
  303. .id = 1,
  304. .dev = {
  305. .platform_data = &iclink_mt9v022,
  306. },
  307. };
  308. /* Not connected by default */
  309. #ifdef PCM970_SDHC_RW_SWITCH
  310. static int pcm970_sdhc1_get_ro(struct device *dev)
  311. {
  312. return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_SFS6));
  313. }
  314. #endif
  315. #define SDHC1_GPIO_WP IOMUX_TO_GPIO(MX31_PIN_SFS6)
  316. #define SDHC1_GPIO_DET IOMUX_TO_GPIO(MX31_PIN_SCK6)
  317. static int pcm970_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
  318. void *data)
  319. {
  320. int ret;
  321. ret = gpio_request(SDHC1_GPIO_DET, "sdhc-detect");
  322. if (ret)
  323. return ret;
  324. gpio_direction_input(SDHC1_GPIO_DET);
  325. #ifdef PCM970_SDHC_RW_SWITCH
  326. ret = gpio_request(SDHC1_GPIO_WP, "sdhc-wp");
  327. if (ret)
  328. goto err_gpio_free;
  329. gpio_direction_input(SDHC1_GPIO_WP);
  330. #endif
  331. ret = request_irq(IOMUX_TO_IRQ(MX31_PIN_SCK6), detect_irq,
  332. IRQF_DISABLED | IRQF_TRIGGER_FALLING,
  333. "sdhc-detect", data);
  334. if (ret)
  335. goto err_gpio_free_2;
  336. return 0;
  337. err_gpio_free_2:
  338. #ifdef PCM970_SDHC_RW_SWITCH
  339. gpio_free(SDHC1_GPIO_WP);
  340. err_gpio_free:
  341. #endif
  342. gpio_free(SDHC1_GPIO_DET);
  343. return ret;
  344. }
  345. static void pcm970_sdhc1_exit(struct device *dev, void *data)
  346. {
  347. free_irq(IOMUX_TO_IRQ(MX31_PIN_SCK6), data);
  348. gpio_free(SDHC1_GPIO_DET);
  349. gpio_free(SDHC1_GPIO_WP);
  350. }
  351. static const struct imxmmc_platform_data sdhc_pdata __initconst = {
  352. #ifdef PCM970_SDHC_RW_SWITCH
  353. .get_ro = pcm970_sdhc1_get_ro,
  354. #endif
  355. .init = pcm970_sdhc1_init,
  356. .exit = pcm970_sdhc1_exit,
  357. };
  358. struct mx3_camera_pdata camera_pdata __initdata = {
  359. .flags = MX3_CAMERA_DATAWIDTH_8 | MX3_CAMERA_DATAWIDTH_10,
  360. .mclk_10khz = 2000,
  361. };
  362. static phys_addr_t mx3_camera_base __initdata;
  363. #define MX3_CAMERA_BUF_SIZE SZ_4M
  364. static int __init pcm037_init_camera(void)
  365. {
  366. int dma, ret = -ENOMEM;
  367. struct platform_device *pdev = imx31_alloc_mx3_camera(&camera_pdata);
  368. if (IS_ERR(pdev))
  369. return PTR_ERR(pdev);
  370. dma = dma_declare_coherent_memory(&pdev->dev,
  371. mx3_camera_base, mx3_camera_base,
  372. MX3_CAMERA_BUF_SIZE,
  373. DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
  374. if (!(dma & DMA_MEMORY_MAP))
  375. goto err;
  376. ret = platform_device_add(pdev);
  377. if (ret)
  378. err:
  379. platform_device_put(pdev);
  380. return ret;
  381. }
  382. static struct platform_device *devices[] __initdata = {
  383. &pcm037_flash,
  384. &pcm037_sram_device,
  385. &pcm037_mt9t031,
  386. &pcm037_mt9v022,
  387. };
  388. static const struct ipu_platform_data mx3_ipu_data __initconst = {
  389. .irq_base = MXC_IPU_IRQ_START,
  390. };
  391. static const struct fb_videomode fb_modedb[] = {
  392. {
  393. /* 240x320 @ 60 Hz Sharp */
  394. .name = "Sharp-LQ035Q7DH06-QVGA",
  395. .refresh = 60,
  396. .xres = 240,
  397. .yres = 320,
  398. .pixclock = 185925,
  399. .left_margin = 9,
  400. .right_margin = 16,
  401. .upper_margin = 7,
  402. .lower_margin = 9,
  403. .hsync_len = 1,
  404. .vsync_len = 1,
  405. .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_SHARP_MODE |
  406. FB_SYNC_CLK_INVERT | FB_SYNC_CLK_IDLE_EN,
  407. .vmode = FB_VMODE_NONINTERLACED,
  408. .flag = 0,
  409. }, {
  410. /* 240x320 @ 60 Hz */
  411. .name = "TX090",
  412. .refresh = 60,
  413. .xres = 240,
  414. .yres = 320,
  415. .pixclock = 38255,
  416. .left_margin = 144,
  417. .right_margin = 0,
  418. .upper_margin = 7,
  419. .lower_margin = 40,
  420. .hsync_len = 96,
  421. .vsync_len = 1,
  422. .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_OE_ACT_HIGH,
  423. .vmode = FB_VMODE_NONINTERLACED,
  424. .flag = 0,
  425. }, {
  426. /* 240x320 @ 60 Hz */
  427. .name = "CMEL-OLED",
  428. .refresh = 60,
  429. .xres = 240,
  430. .yres = 320,
  431. .pixclock = 185925,
  432. .left_margin = 9,
  433. .right_margin = 16,
  434. .upper_margin = 7,
  435. .lower_margin = 9,
  436. .hsync_len = 1,
  437. .vsync_len = 1,
  438. .sync = FB_SYNC_OE_ACT_HIGH | FB_SYNC_CLK_INVERT,
  439. .vmode = FB_VMODE_NONINTERLACED,
  440. .flag = 0,
  441. },
  442. };
  443. static struct mx3fb_platform_data mx3fb_pdata = {
  444. .name = "Sharp-LQ035Q7DH06-QVGA",
  445. .mode = fb_modedb,
  446. .num_modes = ARRAY_SIZE(fb_modedb),
  447. };
  448. static struct resource pcm970_sja1000_resources[] = {
  449. {
  450. .start = MX31_CS5_BASE_ADDR,
  451. .end = MX31_CS5_BASE_ADDR + 0x100 - 1,
  452. .flags = IORESOURCE_MEM,
  453. }, {
  454. .start = IOMUX_TO_IRQ(IOMUX_PIN(48, 105)),
  455. .end = IOMUX_TO_IRQ(IOMUX_PIN(48, 105)),
  456. .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
  457. },
  458. };
  459. struct sja1000_platform_data pcm970_sja1000_platform_data = {
  460. .osc_freq = 16000000,
  461. .ocr = OCR_TX1_PULLDOWN | OCR_TX0_PUSHPULL,
  462. .cdr = CDR_CBP,
  463. };
  464. static struct platform_device pcm970_sja1000 = {
  465. .name = "sja1000_platform",
  466. .dev = {
  467. .platform_data = &pcm970_sja1000_platform_data,
  468. },
  469. .resource = pcm970_sja1000_resources,
  470. .num_resources = ARRAY_SIZE(pcm970_sja1000_resources),
  471. };
  472. static int pcm037_otg_init(struct platform_device *pdev)
  473. {
  474. return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI);
  475. }
  476. static struct mxc_usbh_platform_data otg_pdata __initdata = {
  477. .init = pcm037_otg_init,
  478. .portsc = MXC_EHCI_MODE_ULPI,
  479. };
  480. static int pcm037_usbh2_init(struct platform_device *pdev)
  481. {
  482. return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI);
  483. }
  484. static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
  485. .init = pcm037_usbh2_init,
  486. .portsc = MXC_EHCI_MODE_ULPI,
  487. };
  488. static const struct fsl_usb2_platform_data otg_device_pdata __initconst = {
  489. .operating_mode = FSL_USB2_DR_DEVICE,
  490. .phy_mode = FSL_USB2_PHY_ULPI,
  491. };
  492. static int otg_mode_host;
  493. static int __init pcm037_otg_mode(char *options)
  494. {
  495. if (!strcmp(options, "host"))
  496. otg_mode_host = 1;
  497. else if (!strcmp(options, "device"))
  498. otg_mode_host = 0;
  499. else
  500. pr_info("otg_mode neither \"host\" nor \"device\". "
  501. "Defaulting to device\n");
  502. return 0;
  503. }
  504. __setup("otg_mode=", pcm037_otg_mode);
  505. /*
  506. * Board specific initialization.
  507. */
  508. static void __init pcm037_init(void)
  509. {
  510. int ret;
  511. imx31_soc_init();
  512. mxc_iomux_set_gpr(MUX_PGP_UH2, 1);
  513. mxc_iomux_setup_multiple_pins(pcm037_pins, ARRAY_SIZE(pcm037_pins),
  514. "pcm037");
  515. #define H2_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS \
  516. | PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
  517. mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, H2_PAD_CFG);
  518. mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, H2_PAD_CFG);
  519. mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, H2_PAD_CFG);
  520. mxc_iomux_set_pad(MX31_PIN_USBH2_STP, H2_PAD_CFG);
  521. mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, H2_PAD_CFG); /* USBH2_DATA0 */
  522. mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, H2_PAD_CFG); /* USBH2_DATA1 */
  523. mxc_iomux_set_pad(MX31_PIN_SRXD6, H2_PAD_CFG); /* USBH2_DATA2 */
  524. mxc_iomux_set_pad(MX31_PIN_STXD6, H2_PAD_CFG); /* USBH2_DATA3 */
  525. mxc_iomux_set_pad(MX31_PIN_SFS3, H2_PAD_CFG); /* USBH2_DATA4 */
  526. mxc_iomux_set_pad(MX31_PIN_SCK3, H2_PAD_CFG); /* USBH2_DATA5 */
  527. mxc_iomux_set_pad(MX31_PIN_SRXD3, H2_PAD_CFG); /* USBH2_DATA6 */
  528. mxc_iomux_set_pad(MX31_PIN_STXD3, H2_PAD_CFG); /* USBH2_DATA7 */
  529. if (pcm037_variant() == PCM037_EET)
  530. mxc_iomux_setup_multiple_pins(pcm037_uart1_pins,
  531. ARRAY_SIZE(pcm037_uart1_pins), "pcm037_uart1");
  532. else
  533. mxc_iomux_setup_multiple_pins(pcm037_uart1_handshake_pins,
  534. ARRAY_SIZE(pcm037_uart1_handshake_pins),
  535. "pcm037_uart1");
  536. platform_add_devices(devices, ARRAY_SIZE(devices));
  537. imx31_add_imx2_wdt(NULL);
  538. imx31_add_imx_uart0(&uart_pdata);
  539. /* XXX: should't this have .flags = 0 (i.e. no RTSCTS) on PCM037_EET? */
  540. imx31_add_imx_uart1(&uart_pdata);
  541. imx31_add_imx_uart2(&uart_pdata);
  542. imx31_add_mxc_w1(NULL);
  543. /* LAN9217 IRQ pin */
  544. ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1), "lan9217-irq");
  545. if (ret)
  546. pr_warning("could not get LAN irq gpio\n");
  547. else {
  548. gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1));
  549. platform_device_register(&pcm037_eth);
  550. }
  551. /* I2C adapters and devices */
  552. i2c_register_board_info(1, pcm037_i2c_devices,
  553. ARRAY_SIZE(pcm037_i2c_devices));
  554. imx31_add_imx_i2c1(&pcm037_i2c1_data);
  555. imx31_add_imx_i2c2(&pcm037_i2c2_data);
  556. imx31_add_mxc_nand(&pcm037_nand_board_info);
  557. imx31_add_mxc_mmc(0, &sdhc_pdata);
  558. imx31_add_ipu_core(&mx3_ipu_data);
  559. imx31_add_mx3_sdc_fb(&mx3fb_pdata);
  560. /* CSI */
  561. /* Camera power: default - off */
  562. ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_CSI_D5), "mt9t031-power");
  563. if (!ret)
  564. gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_CSI_D5), 1);
  565. else
  566. iclink_mt9t031.power = NULL;
  567. pcm037_init_camera();
  568. platform_device_register(&pcm970_sja1000);
  569. if (otg_mode_host) {
  570. otg_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
  571. ULPI_OTG_DRVVBUS_EXT);
  572. if (otg_pdata.otg)
  573. imx31_add_mxc_ehci_otg(&otg_pdata);
  574. }
  575. usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
  576. ULPI_OTG_DRVVBUS_EXT);
  577. if (usbh2_pdata.otg)
  578. imx31_add_mxc_ehci_hs(2, &usbh2_pdata);
  579. if (!otg_mode_host)
  580. imx31_add_fsl_usb2_udc(&otg_device_pdata);
  581. }
  582. static void __init pcm037_timer_init(void)
  583. {
  584. mx31_clocks_init(26000000);
  585. }
  586. struct sys_timer pcm037_timer = {
  587. .init = pcm037_timer_init,
  588. };
  589. static void __init pcm037_reserve(void)
  590. {
  591. /* reserve 4 MiB for mx3-camera */
  592. mx3_camera_base = memblock_alloc(MX3_CAMERA_BUF_SIZE,
  593. MX3_CAMERA_BUF_SIZE);
  594. memblock_free(mx3_camera_base, MX3_CAMERA_BUF_SIZE);
  595. memblock_remove(mx3_camera_base, MX3_CAMERA_BUF_SIZE);
  596. }
  597. MACHINE_START(PCM037, "Phytec Phycore pcm037")
  598. /* Maintainer: Pengutronix */
  599. .boot_params = MX3x_PHYS_OFFSET + 0x100,
  600. .reserve = pcm037_reserve,
  601. .map_io = mx31_map_io,
  602. .init_early = imx31_init_early,
  603. .init_irq = mx31_init_irq,
  604. .timer = &pcm037_timer,
  605. .init_machine = pcm037_init,
  606. MACHINE_END