mach-pcm037.c 17 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690
  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/fsl_devices.h>
  30. #include <linux/can/platform/sja1000.h>
  31. #include <linux/usb/otg.h>
  32. #include <linux/usb/ulpi.h>
  33. #include <linux/gfp.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/ipu.h>
  43. #include <mach/mmc.h>
  44. #include <mach/mx3_camera.h>
  45. #include <mach/mx3fb.h>
  46. #include <mach/mxc_ehci.h>
  47. #include <mach/ulpi.h>
  48. #include "devices-imx31.h"
  49. #include "devices.h"
  50. #include "pcm037.h"
  51. static enum pcm037_board_variant pcm037_instance = PCM037_PCM970;
  52. static int __init pcm037_variant_setup(char *str)
  53. {
  54. if (!strcmp("eet", str))
  55. pcm037_instance = PCM037_EET;
  56. else if (strcmp("pcm970", str))
  57. pr_warning("Unknown pcm037 baseboard variant %s\n", str);
  58. return 1;
  59. }
  60. /* Supported values: "pcm970" (default) and "eet" */
  61. __setup("pcm037_variant=", pcm037_variant_setup);
  62. enum pcm037_board_variant pcm037_variant(void)
  63. {
  64. return pcm037_instance;
  65. }
  66. /* UART1 with RTS/CTS handshake signals */
  67. static unsigned int pcm037_uart1_handshake_pins[] = {
  68. MX31_PIN_CTS1__CTS1,
  69. MX31_PIN_RTS1__RTS1,
  70. MX31_PIN_TXD1__TXD1,
  71. MX31_PIN_RXD1__RXD1,
  72. };
  73. /* UART1 without RTS/CTS handshake signals */
  74. static unsigned int pcm037_uart1_pins[] = {
  75. MX31_PIN_TXD1__TXD1,
  76. MX31_PIN_RXD1__RXD1,
  77. };
  78. static unsigned int pcm037_pins[] = {
  79. /* I2C */
  80. MX31_PIN_CSPI2_MOSI__SCL,
  81. MX31_PIN_CSPI2_MISO__SDA,
  82. MX31_PIN_CSPI2_SS2__I2C3_SDA,
  83. MX31_PIN_CSPI2_SCLK__I2C3_SCL,
  84. /* SDHC1 */
  85. MX31_PIN_SD1_DATA3__SD1_DATA3,
  86. MX31_PIN_SD1_DATA2__SD1_DATA2,
  87. MX31_PIN_SD1_DATA1__SD1_DATA1,
  88. MX31_PIN_SD1_DATA0__SD1_DATA0,
  89. MX31_PIN_SD1_CLK__SD1_CLK,
  90. MX31_PIN_SD1_CMD__SD1_CMD,
  91. IOMUX_MODE(MX31_PIN_SCK6, IOMUX_CONFIG_GPIO), /* card detect */
  92. IOMUX_MODE(MX31_PIN_SFS6, IOMUX_CONFIG_GPIO), /* write protect */
  93. /* SPI1 */
  94. MX31_PIN_CSPI1_MOSI__MOSI,
  95. MX31_PIN_CSPI1_MISO__MISO,
  96. MX31_PIN_CSPI1_SCLK__SCLK,
  97. MX31_PIN_CSPI1_SPI_RDY__SPI_RDY,
  98. MX31_PIN_CSPI1_SS0__SS0,
  99. MX31_PIN_CSPI1_SS1__SS1,
  100. MX31_PIN_CSPI1_SS2__SS2,
  101. /* UART2 */
  102. MX31_PIN_TXD2__TXD2,
  103. MX31_PIN_RXD2__RXD2,
  104. MX31_PIN_CTS2__CTS2,
  105. MX31_PIN_RTS2__RTS2,
  106. /* UART3 */
  107. MX31_PIN_CSPI3_MOSI__RXD3,
  108. MX31_PIN_CSPI3_MISO__TXD3,
  109. MX31_PIN_CSPI3_SCLK__RTS3,
  110. MX31_PIN_CSPI3_SPI_RDY__CTS3,
  111. /* LAN9217 irq pin */
  112. IOMUX_MODE(MX31_PIN_GPIO3_1, IOMUX_CONFIG_GPIO),
  113. /* Onewire */
  114. MX31_PIN_BATT_LINE__OWIRE,
  115. /* Framebuffer */
  116. MX31_PIN_LD0__LD0,
  117. MX31_PIN_LD1__LD1,
  118. MX31_PIN_LD2__LD2,
  119. MX31_PIN_LD3__LD3,
  120. MX31_PIN_LD4__LD4,
  121. MX31_PIN_LD5__LD5,
  122. MX31_PIN_LD6__LD6,
  123. MX31_PIN_LD7__LD7,
  124. MX31_PIN_LD8__LD8,
  125. MX31_PIN_LD9__LD9,
  126. MX31_PIN_LD10__LD10,
  127. MX31_PIN_LD11__LD11,
  128. MX31_PIN_LD12__LD12,
  129. MX31_PIN_LD13__LD13,
  130. MX31_PIN_LD14__LD14,
  131. MX31_PIN_LD15__LD15,
  132. MX31_PIN_LD16__LD16,
  133. MX31_PIN_LD17__LD17,
  134. MX31_PIN_VSYNC3__VSYNC3,
  135. MX31_PIN_HSYNC__HSYNC,
  136. MX31_PIN_FPSHIFT__FPSHIFT,
  137. MX31_PIN_DRDY0__DRDY0,
  138. MX31_PIN_D3_REV__D3_REV,
  139. MX31_PIN_CONTRAST__CONTRAST,
  140. MX31_PIN_D3_SPL__D3_SPL,
  141. MX31_PIN_D3_CLS__D3_CLS,
  142. MX31_PIN_LCS0__GPI03_23,
  143. /* CSI */
  144. IOMUX_MODE(MX31_PIN_CSI_D5, IOMUX_CONFIG_GPIO),
  145. MX31_PIN_CSI_D6__CSI_D6,
  146. MX31_PIN_CSI_D7__CSI_D7,
  147. MX31_PIN_CSI_D8__CSI_D8,
  148. MX31_PIN_CSI_D9__CSI_D9,
  149. MX31_PIN_CSI_D10__CSI_D10,
  150. MX31_PIN_CSI_D11__CSI_D11,
  151. MX31_PIN_CSI_D12__CSI_D12,
  152. MX31_PIN_CSI_D13__CSI_D13,
  153. MX31_PIN_CSI_D14__CSI_D14,
  154. MX31_PIN_CSI_D15__CSI_D15,
  155. MX31_PIN_CSI_HSYNC__CSI_HSYNC,
  156. MX31_PIN_CSI_MCLK__CSI_MCLK,
  157. MX31_PIN_CSI_PIXCLK__CSI_PIXCLK,
  158. MX31_PIN_CSI_VSYNC__CSI_VSYNC,
  159. /* GPIO */
  160. IOMUX_MODE(MX31_PIN_ATA_DMACK, IOMUX_CONFIG_GPIO),
  161. /* OTG */
  162. MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
  163. MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
  164. MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
  165. MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
  166. MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
  167. MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
  168. MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
  169. MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
  170. MX31_PIN_USBOTG_CLK__USBOTG_CLK,
  171. MX31_PIN_USBOTG_DIR__USBOTG_DIR,
  172. MX31_PIN_USBOTG_NXT__USBOTG_NXT,
  173. MX31_PIN_USBOTG_STP__USBOTG_STP,
  174. /* USB host 2 */
  175. IOMUX_MODE(MX31_PIN_USBH2_CLK, IOMUX_CONFIG_FUNC),
  176. IOMUX_MODE(MX31_PIN_USBH2_DIR, IOMUX_CONFIG_FUNC),
  177. IOMUX_MODE(MX31_PIN_USBH2_NXT, IOMUX_CONFIG_FUNC),
  178. IOMUX_MODE(MX31_PIN_USBH2_STP, IOMUX_CONFIG_FUNC),
  179. IOMUX_MODE(MX31_PIN_USBH2_DATA0, IOMUX_CONFIG_FUNC),
  180. IOMUX_MODE(MX31_PIN_USBH2_DATA1, IOMUX_CONFIG_FUNC),
  181. IOMUX_MODE(MX31_PIN_STXD3, IOMUX_CONFIG_FUNC),
  182. IOMUX_MODE(MX31_PIN_SRXD3, IOMUX_CONFIG_FUNC),
  183. IOMUX_MODE(MX31_PIN_SCK3, IOMUX_CONFIG_FUNC),
  184. IOMUX_MODE(MX31_PIN_SFS3, IOMUX_CONFIG_FUNC),
  185. IOMUX_MODE(MX31_PIN_STXD6, IOMUX_CONFIG_FUNC),
  186. IOMUX_MODE(MX31_PIN_SRXD6, IOMUX_CONFIG_FUNC),
  187. };
  188. static struct physmap_flash_data pcm037_flash_data = {
  189. .width = 2,
  190. };
  191. static struct resource pcm037_flash_resource = {
  192. .start = 0xa0000000,
  193. .end = 0xa1ffffff,
  194. .flags = IORESOURCE_MEM,
  195. };
  196. static struct platform_device pcm037_flash = {
  197. .name = "physmap-flash",
  198. .id = 0,
  199. .dev = {
  200. .platform_data = &pcm037_flash_data,
  201. },
  202. .resource = &pcm037_flash_resource,
  203. .num_resources = 1,
  204. };
  205. static const struct imxuart_platform_data uart_pdata __initconst = {
  206. .flags = IMXUART_HAVE_RTSCTS,
  207. };
  208. static struct resource smsc911x_resources[] = {
  209. {
  210. .start = MX31_CS1_BASE_ADDR + 0x300,
  211. .end = MX31_CS1_BASE_ADDR + 0x300 + SZ_64K - 1,
  212. .flags = IORESOURCE_MEM,
  213. }, {
  214. .start = IOMUX_TO_IRQ(MX31_PIN_GPIO3_1),
  215. .end = IOMUX_TO_IRQ(MX31_PIN_GPIO3_1),
  216. .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
  217. },
  218. };
  219. static struct smsc911x_platform_config smsc911x_info = {
  220. .flags = SMSC911X_USE_32BIT | SMSC911X_FORCE_INTERNAL_PHY |
  221. SMSC911X_SAVE_MAC_ADDRESS,
  222. .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
  223. .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
  224. .phy_interface = PHY_INTERFACE_MODE_MII,
  225. };
  226. static struct platform_device pcm037_eth = {
  227. .name = "smsc911x",
  228. .id = -1,
  229. .num_resources = ARRAY_SIZE(smsc911x_resources),
  230. .resource = smsc911x_resources,
  231. .dev = {
  232. .platform_data = &smsc911x_info,
  233. },
  234. };
  235. static struct platdata_mtd_ram pcm038_sram_data = {
  236. .bankwidth = 2,
  237. };
  238. static struct resource pcm038_sram_resource = {
  239. .start = MX31_CS4_BASE_ADDR,
  240. .end = MX31_CS4_BASE_ADDR + 512 * 1024 - 1,
  241. .flags = IORESOURCE_MEM,
  242. };
  243. static struct platform_device pcm037_sram_device = {
  244. .name = "mtd-ram",
  245. .id = 0,
  246. .dev = {
  247. .platform_data = &pcm038_sram_data,
  248. },
  249. .num_resources = 1,
  250. .resource = &pcm038_sram_resource,
  251. };
  252. static const struct mxc_nand_platform_data
  253. pcm037_nand_board_info __initconst = {
  254. .width = 1,
  255. .hw_ecc = 1,
  256. };
  257. static const struct imxi2c_platform_data pcm037_i2c1_data __initconst = {
  258. .bitrate = 100000,
  259. };
  260. static const struct imxi2c_platform_data pcm037_i2c2_data __initconst = {
  261. .bitrate = 20000,
  262. };
  263. static struct at24_platform_data board_eeprom = {
  264. .byte_len = 4096,
  265. .page_size = 32,
  266. .flags = AT24_FLAG_ADDR16,
  267. };
  268. static int pcm037_camera_power(struct device *dev, int on)
  269. {
  270. /* disable or enable the camera in X7 or X8 PCM970 connector */
  271. gpio_set_value(IOMUX_TO_GPIO(MX31_PIN_CSI_D5), !on);
  272. return 0;
  273. }
  274. static struct i2c_board_info pcm037_i2c_camera[] = {
  275. {
  276. I2C_BOARD_INFO("mt9t031", 0x5d),
  277. }, {
  278. I2C_BOARD_INFO("mt9v022", 0x48),
  279. },
  280. };
  281. static struct soc_camera_link iclink_mt9v022 = {
  282. .bus_id = 0, /* Must match with the camera ID */
  283. .board_info = &pcm037_i2c_camera[1],
  284. .i2c_adapter_id = 2,
  285. .module_name = "mt9v022",
  286. };
  287. static struct soc_camera_link iclink_mt9t031 = {
  288. .bus_id = 0, /* Must match with the camera ID */
  289. .power = pcm037_camera_power,
  290. .board_info = &pcm037_i2c_camera[0],
  291. .i2c_adapter_id = 2,
  292. .module_name = "mt9t031",
  293. };
  294. static struct i2c_board_info pcm037_i2c_devices[] = {
  295. {
  296. I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
  297. .platform_data = &board_eeprom,
  298. }, {
  299. I2C_BOARD_INFO("pcf8563", 0x51),
  300. }
  301. };
  302. static struct platform_device pcm037_mt9t031 = {
  303. .name = "soc-camera-pdrv",
  304. .id = 0,
  305. .dev = {
  306. .platform_data = &iclink_mt9t031,
  307. },
  308. };
  309. static struct platform_device pcm037_mt9v022 = {
  310. .name = "soc-camera-pdrv",
  311. .id = 1,
  312. .dev = {
  313. .platform_data = &iclink_mt9v022,
  314. },
  315. };
  316. /* Not connected by default */
  317. #ifdef PCM970_SDHC_RW_SWITCH
  318. static int pcm970_sdhc1_get_ro(struct device *dev)
  319. {
  320. return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_SFS6));
  321. }
  322. #endif
  323. #define SDHC1_GPIO_WP IOMUX_TO_GPIO(MX31_PIN_SFS6)
  324. #define SDHC1_GPIO_DET IOMUX_TO_GPIO(MX31_PIN_SCK6)
  325. static int pcm970_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
  326. void *data)
  327. {
  328. int ret;
  329. ret = gpio_request(SDHC1_GPIO_DET, "sdhc-detect");
  330. if (ret)
  331. return ret;
  332. gpio_direction_input(SDHC1_GPIO_DET);
  333. #ifdef PCM970_SDHC_RW_SWITCH
  334. ret = gpio_request(SDHC1_GPIO_WP, "sdhc-wp");
  335. if (ret)
  336. goto err_gpio_free;
  337. gpio_direction_input(SDHC1_GPIO_WP);
  338. #endif
  339. ret = request_irq(IOMUX_TO_IRQ(MX31_PIN_SCK6), detect_irq,
  340. IRQF_DISABLED | IRQF_TRIGGER_FALLING,
  341. "sdhc-detect", data);
  342. if (ret)
  343. goto err_gpio_free_2;
  344. return 0;
  345. err_gpio_free_2:
  346. #ifdef PCM970_SDHC_RW_SWITCH
  347. gpio_free(SDHC1_GPIO_WP);
  348. err_gpio_free:
  349. #endif
  350. gpio_free(SDHC1_GPIO_DET);
  351. return ret;
  352. }
  353. static void pcm970_sdhc1_exit(struct device *dev, void *data)
  354. {
  355. free_irq(IOMUX_TO_IRQ(MX31_PIN_SCK6), data);
  356. gpio_free(SDHC1_GPIO_DET);
  357. gpio_free(SDHC1_GPIO_WP);
  358. }
  359. static struct imxmmc_platform_data sdhc_pdata = {
  360. #ifdef PCM970_SDHC_RW_SWITCH
  361. .get_ro = pcm970_sdhc1_get_ro,
  362. #endif
  363. .init = pcm970_sdhc1_init,
  364. .exit = pcm970_sdhc1_exit,
  365. };
  366. struct mx3_camera_pdata camera_pdata = {
  367. .dma_dev = &mx3_ipu.dev,
  368. .flags = MX3_CAMERA_DATAWIDTH_8 | MX3_CAMERA_DATAWIDTH_10,
  369. .mclk_10khz = 2000,
  370. };
  371. static int __init pcm037_camera_alloc_dma(const size_t buf_size)
  372. {
  373. dma_addr_t dma_handle;
  374. void *buf;
  375. int dma;
  376. if (buf_size < 2 * 1024 * 1024)
  377. return -EINVAL;
  378. buf = dma_alloc_coherent(NULL, buf_size, &dma_handle, GFP_KERNEL);
  379. if (!buf) {
  380. pr_err("%s: cannot allocate camera buffer-memory\n", __func__);
  381. return -ENOMEM;
  382. }
  383. memset(buf, 0, buf_size);
  384. dma = dma_declare_coherent_memory(&mx3_camera.dev,
  385. dma_handle, dma_handle, buf_size,
  386. DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
  387. /* The way we call dma_declare_coherent_memory only a malloc can fail */
  388. return dma & DMA_MEMORY_MAP ? 0 : -ENOMEM;
  389. }
  390. static struct platform_device *devices[] __initdata = {
  391. &pcm037_flash,
  392. &pcm037_sram_device,
  393. &imx_wdt_device0,
  394. &pcm037_mt9t031,
  395. &pcm037_mt9v022,
  396. };
  397. static struct ipu_platform_data mx3_ipu_data = {
  398. .irq_base = MXC_IPU_IRQ_START,
  399. };
  400. static const struct fb_videomode fb_modedb[] = {
  401. {
  402. /* 240x320 @ 60 Hz Sharp */
  403. .name = "Sharp-LQ035Q7DH06-QVGA",
  404. .refresh = 60,
  405. .xres = 240,
  406. .yres = 320,
  407. .pixclock = 185925,
  408. .left_margin = 9,
  409. .right_margin = 16,
  410. .upper_margin = 7,
  411. .lower_margin = 9,
  412. .hsync_len = 1,
  413. .vsync_len = 1,
  414. .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_SHARP_MODE |
  415. FB_SYNC_CLK_INVERT | FB_SYNC_CLK_IDLE_EN,
  416. .vmode = FB_VMODE_NONINTERLACED,
  417. .flag = 0,
  418. }, {
  419. /* 240x320 @ 60 Hz */
  420. .name = "TX090",
  421. .refresh = 60,
  422. .xres = 240,
  423. .yres = 320,
  424. .pixclock = 38255,
  425. .left_margin = 144,
  426. .right_margin = 0,
  427. .upper_margin = 7,
  428. .lower_margin = 40,
  429. .hsync_len = 96,
  430. .vsync_len = 1,
  431. .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_OE_ACT_HIGH,
  432. .vmode = FB_VMODE_NONINTERLACED,
  433. .flag = 0,
  434. }, {
  435. /* 240x320 @ 60 Hz */
  436. .name = "CMEL-OLED",
  437. .refresh = 60,
  438. .xres = 240,
  439. .yres = 320,
  440. .pixclock = 185925,
  441. .left_margin = 9,
  442. .right_margin = 16,
  443. .upper_margin = 7,
  444. .lower_margin = 9,
  445. .hsync_len = 1,
  446. .vsync_len = 1,
  447. .sync = FB_SYNC_OE_ACT_HIGH | FB_SYNC_CLK_INVERT,
  448. .vmode = FB_VMODE_NONINTERLACED,
  449. .flag = 0,
  450. },
  451. };
  452. static struct mx3fb_platform_data mx3fb_pdata = {
  453. .dma_dev = &mx3_ipu.dev,
  454. .name = "Sharp-LQ035Q7DH06-QVGA",
  455. .mode = fb_modedb,
  456. .num_modes = ARRAY_SIZE(fb_modedb),
  457. };
  458. static struct resource pcm970_sja1000_resources[] = {
  459. {
  460. .start = MX31_CS5_BASE_ADDR,
  461. .end = MX31_CS5_BASE_ADDR + 0x100 - 1,
  462. .flags = IORESOURCE_MEM,
  463. }, {
  464. .start = IOMUX_TO_IRQ(IOMUX_PIN(48, 105)),
  465. .end = IOMUX_TO_IRQ(IOMUX_PIN(48, 105)),
  466. .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
  467. },
  468. };
  469. struct sja1000_platform_data pcm970_sja1000_platform_data = {
  470. .osc_freq = 16000000,
  471. .ocr = OCR_TX1_PULLDOWN | OCR_TX0_PUSHPULL,
  472. .cdr = CDR_CBP,
  473. };
  474. static struct platform_device pcm970_sja1000 = {
  475. .name = "sja1000_platform",
  476. .dev = {
  477. .platform_data = &pcm970_sja1000_platform_data,
  478. },
  479. .resource = pcm970_sja1000_resources,
  480. .num_resources = ARRAY_SIZE(pcm970_sja1000_resources),
  481. };
  482. #if defined(CONFIG_USB_ULPI)
  483. static struct mxc_usbh_platform_data otg_pdata = {
  484. .portsc = MXC_EHCI_MODE_ULPI,
  485. .flags = MXC_EHCI_INTERFACE_DIFF_UNI,
  486. };
  487. static struct mxc_usbh_platform_data usbh2_pdata = {
  488. .portsc = MXC_EHCI_MODE_ULPI,
  489. .flags = MXC_EHCI_INTERFACE_DIFF_UNI,
  490. };
  491. #endif
  492. static struct fsl_usb2_platform_data otg_device_pdata = {
  493. .operating_mode = FSL_USB2_DR_DEVICE,
  494. .phy_mode = FSL_USB2_PHY_ULPI,
  495. };
  496. static int otg_mode_host;
  497. static int __init pcm037_otg_mode(char *options)
  498. {
  499. if (!strcmp(options, "host"))
  500. otg_mode_host = 1;
  501. else if (!strcmp(options, "device"))
  502. otg_mode_host = 0;
  503. else
  504. pr_info("otg_mode neither \"host\" nor \"device\". "
  505. "Defaulting to device\n");
  506. return 0;
  507. }
  508. __setup("otg_mode=", pcm037_otg_mode);
  509. /*
  510. * Board specific initialization.
  511. */
  512. static void __init mxc_board_init(void)
  513. {
  514. int ret;
  515. mxc_iomux_set_gpr(MUX_PGP_UH2, 1);
  516. mxc_iomux_setup_multiple_pins(pcm037_pins, ARRAY_SIZE(pcm037_pins),
  517. "pcm037");
  518. #define H2_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS \
  519. | PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
  520. mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, H2_PAD_CFG);
  521. mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, H2_PAD_CFG);
  522. mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, H2_PAD_CFG);
  523. mxc_iomux_set_pad(MX31_PIN_USBH2_STP, H2_PAD_CFG);
  524. mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, H2_PAD_CFG); /* USBH2_DATA0 */
  525. mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, H2_PAD_CFG); /* USBH2_DATA1 */
  526. mxc_iomux_set_pad(MX31_PIN_SRXD6, H2_PAD_CFG); /* USBH2_DATA2 */
  527. mxc_iomux_set_pad(MX31_PIN_STXD6, H2_PAD_CFG); /* USBH2_DATA3 */
  528. mxc_iomux_set_pad(MX31_PIN_SFS3, H2_PAD_CFG); /* USBH2_DATA4 */
  529. mxc_iomux_set_pad(MX31_PIN_SCK3, H2_PAD_CFG); /* USBH2_DATA5 */
  530. mxc_iomux_set_pad(MX31_PIN_SRXD3, H2_PAD_CFG); /* USBH2_DATA6 */
  531. mxc_iomux_set_pad(MX31_PIN_STXD3, H2_PAD_CFG); /* USBH2_DATA7 */
  532. if (pcm037_variant() == PCM037_EET)
  533. mxc_iomux_setup_multiple_pins(pcm037_uart1_pins,
  534. ARRAY_SIZE(pcm037_uart1_pins), "pcm037_uart1");
  535. else
  536. mxc_iomux_setup_multiple_pins(pcm037_uart1_handshake_pins,
  537. ARRAY_SIZE(pcm037_uart1_handshake_pins),
  538. "pcm037_uart1");
  539. platform_add_devices(devices, ARRAY_SIZE(devices));
  540. imx31_add_imx_uart0(&uart_pdata);
  541. /* XXX: should't this have .flags = 0 (i.e. no RTSCTS) on PCM037_EET? */
  542. imx31_add_imx_uart1(&uart_pdata);
  543. imx31_add_imx_uart2(&uart_pdata);
  544. mxc_register_device(&mxc_w1_master_device, NULL);
  545. /* LAN9217 IRQ pin */
  546. ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1), "lan9217-irq");
  547. if (ret)
  548. pr_warning("could not get LAN irq gpio\n");
  549. else {
  550. gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1));
  551. platform_device_register(&pcm037_eth);
  552. }
  553. /* I2C adapters and devices */
  554. i2c_register_board_info(1, pcm037_i2c_devices,
  555. ARRAY_SIZE(pcm037_i2c_devices));
  556. imx31_add_imx_i2c1(&pcm037_i2c1_data);
  557. imx31_add_imx_i2c2(&pcm037_i2c2_data);
  558. imx31_add_mxc_nand(&pcm037_nand_board_info);
  559. mxc_register_device(&mxcsdhc_device0, &sdhc_pdata);
  560. mxc_register_device(&mx3_ipu, &mx3_ipu_data);
  561. mxc_register_device(&mx3_fb, &mx3fb_pdata);
  562. /* CSI */
  563. /* Camera power: default - off */
  564. ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_CSI_D5), "mt9t031-power");
  565. if (!ret)
  566. gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_CSI_D5), 1);
  567. else
  568. iclink_mt9t031.power = NULL;
  569. if (!pcm037_camera_alloc_dma(4 * 1024 * 1024))
  570. mxc_register_device(&mx3_camera, &camera_pdata);
  571. platform_device_register(&pcm970_sja1000);
  572. #if defined(CONFIG_USB_ULPI)
  573. if (otg_mode_host) {
  574. otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
  575. ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT);
  576. mxc_register_device(&mxc_otg_host, &otg_pdata);
  577. }
  578. usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
  579. ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT);
  580. mxc_register_device(&mxc_usbh2, &usbh2_pdata);
  581. #endif
  582. if (!otg_mode_host)
  583. mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata);
  584. }
  585. static void __init pcm037_timer_init(void)
  586. {
  587. mx31_clocks_init(26000000);
  588. }
  589. struct sys_timer pcm037_timer = {
  590. .init = pcm037_timer_init,
  591. };
  592. MACHINE_START(PCM037, "Phytec Phycore pcm037")
  593. /* Maintainer: Pengutronix */
  594. .phys_io = MX31_AIPS1_BASE_ADDR,
  595. .io_pg_offst = (MX31_AIPS1_BASE_ADDR_VIRT >> 18) & 0xfffc,
  596. .boot_params = MX3x_PHYS_OFFSET + 0x100,
  597. .map_io = mx31_map_io,
  598. .init_irq = mx31_init_irq,
  599. .init_machine = mxc_board_init,
  600. .timer = &pcm037_timer,
  601. MACHINE_END