mach-pcm037.c 18 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. * You should have received a copy of the GNU General Public License
  15. * along with this program; if not, write to the Free Software
  16. * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  17. */
  18. #include <linux/types.h>
  19. #include <linux/init.h>
  20. #include <linux/dma-mapping.h>
  21. #include <linux/platform_device.h>
  22. #include <linux/mtd/physmap.h>
  23. #include <linux/mtd/plat-ram.h>
  24. #include <linux/memory.h>
  25. #include <linux/gpio.h>
  26. #include <linux/smsc911x.h>
  27. #include <linux/interrupt.h>
  28. #include <linux/i2c.h>
  29. #include <linux/i2c/at24.h>
  30. #include <linux/delay.h>
  31. #include <linux/spi/spi.h>
  32. #include <linux/irq.h>
  33. #include <linux/fsl_devices.h>
  34. #include <linux/can/platform/sja1000.h>
  35. #include <linux/usb/otg.h>
  36. #include <linux/usb/ulpi.h>
  37. #include <linux/gfp.h>
  38. #include <media/soc_camera.h>
  39. #include <asm/mach-types.h>
  40. #include <asm/mach/arch.h>
  41. #include <asm/mach/time.h>
  42. #include <asm/mach/map.h>
  43. #include <mach/board-pcm037.h>
  44. #include <mach/common.h>
  45. #include <mach/hardware.h>
  46. #include <mach/i2c.h>
  47. #include <mach/imx-uart.h>
  48. #include <mach/iomux-mx3.h>
  49. #include <mach/ipu.h>
  50. #include <mach/mmc.h>
  51. #include <mach/mx3_camera.h>
  52. #include <mach/mx3fb.h>
  53. #include <mach/mxc_nand.h>
  54. #include <mach/mxc_ehci.h>
  55. #include <mach/ulpi.h>
  56. #include "devices.h"
  57. #include "pcm037.h"
  58. static enum pcm037_board_variant pcm037_instance = PCM037_PCM970;
  59. static int __init pcm037_variant_setup(char *str)
  60. {
  61. if (!strcmp("eet", str))
  62. pcm037_instance = PCM037_EET;
  63. else if (strcmp("pcm970", str))
  64. pr_warning("Unknown pcm037 baseboard variant %s\n", str);
  65. return 1;
  66. }
  67. /* Supported values: "pcm970" (default) and "eet" */
  68. __setup("pcm037_variant=", pcm037_variant_setup);
  69. enum pcm037_board_variant pcm037_variant(void)
  70. {
  71. return pcm037_instance;
  72. }
  73. /* UART1 with RTS/CTS handshake signals */
  74. static unsigned int pcm037_uart1_handshake_pins[] = {
  75. MX31_PIN_CTS1__CTS1,
  76. MX31_PIN_RTS1__RTS1,
  77. MX31_PIN_TXD1__TXD1,
  78. MX31_PIN_RXD1__RXD1,
  79. };
  80. /* UART1 without RTS/CTS handshake signals */
  81. static unsigned int pcm037_uart1_pins[] = {
  82. MX31_PIN_TXD1__TXD1,
  83. MX31_PIN_RXD1__RXD1,
  84. };
  85. static unsigned int pcm037_pins[] = {
  86. /* I2C */
  87. MX31_PIN_CSPI2_MOSI__SCL,
  88. MX31_PIN_CSPI2_MISO__SDA,
  89. MX31_PIN_CSPI2_SS2__I2C3_SDA,
  90. MX31_PIN_CSPI2_SCLK__I2C3_SCL,
  91. /* SDHC1 */
  92. MX31_PIN_SD1_DATA3__SD1_DATA3,
  93. MX31_PIN_SD1_DATA2__SD1_DATA2,
  94. MX31_PIN_SD1_DATA1__SD1_DATA1,
  95. MX31_PIN_SD1_DATA0__SD1_DATA0,
  96. MX31_PIN_SD1_CLK__SD1_CLK,
  97. MX31_PIN_SD1_CMD__SD1_CMD,
  98. IOMUX_MODE(MX31_PIN_SCK6, IOMUX_CONFIG_GPIO), /* card detect */
  99. IOMUX_MODE(MX31_PIN_SFS6, IOMUX_CONFIG_GPIO), /* write protect */
  100. /* SPI1 */
  101. MX31_PIN_CSPI1_MOSI__MOSI,
  102. MX31_PIN_CSPI1_MISO__MISO,
  103. MX31_PIN_CSPI1_SCLK__SCLK,
  104. MX31_PIN_CSPI1_SPI_RDY__SPI_RDY,
  105. MX31_PIN_CSPI1_SS0__SS0,
  106. MX31_PIN_CSPI1_SS1__SS1,
  107. MX31_PIN_CSPI1_SS2__SS2,
  108. /* UART2 */
  109. MX31_PIN_TXD2__TXD2,
  110. MX31_PIN_RXD2__RXD2,
  111. MX31_PIN_CTS2__CTS2,
  112. MX31_PIN_RTS2__RTS2,
  113. /* UART3 */
  114. MX31_PIN_CSPI3_MOSI__RXD3,
  115. MX31_PIN_CSPI3_MISO__TXD3,
  116. MX31_PIN_CSPI3_SCLK__RTS3,
  117. MX31_PIN_CSPI3_SPI_RDY__CTS3,
  118. /* LAN9217 irq pin */
  119. IOMUX_MODE(MX31_PIN_GPIO3_1, IOMUX_CONFIG_GPIO),
  120. /* Onewire */
  121. MX31_PIN_BATT_LINE__OWIRE,
  122. /* Framebuffer */
  123. MX31_PIN_LD0__LD0,
  124. MX31_PIN_LD1__LD1,
  125. MX31_PIN_LD2__LD2,
  126. MX31_PIN_LD3__LD3,
  127. MX31_PIN_LD4__LD4,
  128. MX31_PIN_LD5__LD5,
  129. MX31_PIN_LD6__LD6,
  130. MX31_PIN_LD7__LD7,
  131. MX31_PIN_LD8__LD8,
  132. MX31_PIN_LD9__LD9,
  133. MX31_PIN_LD10__LD10,
  134. MX31_PIN_LD11__LD11,
  135. MX31_PIN_LD12__LD12,
  136. MX31_PIN_LD13__LD13,
  137. MX31_PIN_LD14__LD14,
  138. MX31_PIN_LD15__LD15,
  139. MX31_PIN_LD16__LD16,
  140. MX31_PIN_LD17__LD17,
  141. MX31_PIN_VSYNC3__VSYNC3,
  142. MX31_PIN_HSYNC__HSYNC,
  143. MX31_PIN_FPSHIFT__FPSHIFT,
  144. MX31_PIN_DRDY0__DRDY0,
  145. MX31_PIN_D3_REV__D3_REV,
  146. MX31_PIN_CONTRAST__CONTRAST,
  147. MX31_PIN_D3_SPL__D3_SPL,
  148. MX31_PIN_D3_CLS__D3_CLS,
  149. MX31_PIN_LCS0__GPI03_23,
  150. /* CSI */
  151. IOMUX_MODE(MX31_PIN_CSI_D5, IOMUX_CONFIG_GPIO),
  152. MX31_PIN_CSI_D6__CSI_D6,
  153. MX31_PIN_CSI_D7__CSI_D7,
  154. MX31_PIN_CSI_D8__CSI_D8,
  155. MX31_PIN_CSI_D9__CSI_D9,
  156. MX31_PIN_CSI_D10__CSI_D10,
  157. MX31_PIN_CSI_D11__CSI_D11,
  158. MX31_PIN_CSI_D12__CSI_D12,
  159. MX31_PIN_CSI_D13__CSI_D13,
  160. MX31_PIN_CSI_D14__CSI_D14,
  161. MX31_PIN_CSI_D15__CSI_D15,
  162. MX31_PIN_CSI_HSYNC__CSI_HSYNC,
  163. MX31_PIN_CSI_MCLK__CSI_MCLK,
  164. MX31_PIN_CSI_PIXCLK__CSI_PIXCLK,
  165. MX31_PIN_CSI_VSYNC__CSI_VSYNC,
  166. /* GPIO */
  167. IOMUX_MODE(MX31_PIN_ATA_DMACK, IOMUX_CONFIG_GPIO),
  168. /* OTG */
  169. MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
  170. MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
  171. MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
  172. MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
  173. MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
  174. MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
  175. MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
  176. MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
  177. MX31_PIN_USBOTG_CLK__USBOTG_CLK,
  178. MX31_PIN_USBOTG_DIR__USBOTG_DIR,
  179. MX31_PIN_USBOTG_NXT__USBOTG_NXT,
  180. MX31_PIN_USBOTG_STP__USBOTG_STP,
  181. /* USB host 2 */
  182. IOMUX_MODE(MX31_PIN_USBH2_CLK, IOMUX_CONFIG_FUNC),
  183. IOMUX_MODE(MX31_PIN_USBH2_DIR, IOMUX_CONFIG_FUNC),
  184. IOMUX_MODE(MX31_PIN_USBH2_NXT, IOMUX_CONFIG_FUNC),
  185. IOMUX_MODE(MX31_PIN_USBH2_STP, IOMUX_CONFIG_FUNC),
  186. IOMUX_MODE(MX31_PIN_USBH2_DATA0, IOMUX_CONFIG_FUNC),
  187. IOMUX_MODE(MX31_PIN_USBH2_DATA1, IOMUX_CONFIG_FUNC),
  188. IOMUX_MODE(MX31_PIN_STXD3, IOMUX_CONFIG_FUNC),
  189. IOMUX_MODE(MX31_PIN_SRXD3, IOMUX_CONFIG_FUNC),
  190. IOMUX_MODE(MX31_PIN_SCK3, IOMUX_CONFIG_FUNC),
  191. IOMUX_MODE(MX31_PIN_SFS3, IOMUX_CONFIG_FUNC),
  192. IOMUX_MODE(MX31_PIN_STXD6, IOMUX_CONFIG_FUNC),
  193. IOMUX_MODE(MX31_PIN_SRXD6, IOMUX_CONFIG_FUNC),
  194. };
  195. static struct physmap_flash_data pcm037_flash_data = {
  196. .width = 2,
  197. };
  198. static struct resource pcm037_flash_resource = {
  199. .start = 0xa0000000,
  200. .end = 0xa1ffffff,
  201. .flags = IORESOURCE_MEM,
  202. };
  203. static struct platform_device pcm037_flash = {
  204. .name = "physmap-flash",
  205. .id = 0,
  206. .dev = {
  207. .platform_data = &pcm037_flash_data,
  208. },
  209. .resource = &pcm037_flash_resource,
  210. .num_resources = 1,
  211. };
  212. static struct imxuart_platform_data uart_pdata = {
  213. .flags = IMXUART_HAVE_RTSCTS,
  214. };
  215. static struct resource smsc911x_resources[] = {
  216. {
  217. .start = MX31_CS1_BASE_ADDR + 0x300,
  218. .end = MX31_CS1_BASE_ADDR + 0x300 + SZ_64K - 1,
  219. .flags = IORESOURCE_MEM,
  220. }, {
  221. .start = IOMUX_TO_IRQ(MX31_PIN_GPIO3_1),
  222. .end = IOMUX_TO_IRQ(MX31_PIN_GPIO3_1),
  223. .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
  224. },
  225. };
  226. static struct smsc911x_platform_config smsc911x_info = {
  227. .flags = SMSC911X_USE_32BIT | SMSC911X_FORCE_INTERNAL_PHY |
  228. SMSC911X_SAVE_MAC_ADDRESS,
  229. .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
  230. .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
  231. .phy_interface = PHY_INTERFACE_MODE_MII,
  232. };
  233. static struct platform_device pcm037_eth = {
  234. .name = "smsc911x",
  235. .id = -1,
  236. .num_resources = ARRAY_SIZE(smsc911x_resources),
  237. .resource = smsc911x_resources,
  238. .dev = {
  239. .platform_data = &smsc911x_info,
  240. },
  241. };
  242. static struct platdata_mtd_ram pcm038_sram_data = {
  243. .bankwidth = 2,
  244. };
  245. static struct resource pcm038_sram_resource = {
  246. .start = MX31_CS4_BASE_ADDR,
  247. .end = MX31_CS4_BASE_ADDR + 512 * 1024 - 1,
  248. .flags = IORESOURCE_MEM,
  249. };
  250. static struct platform_device pcm037_sram_device = {
  251. .name = "mtd-ram",
  252. .id = 0,
  253. .dev = {
  254. .platform_data = &pcm038_sram_data,
  255. },
  256. .num_resources = 1,
  257. .resource = &pcm038_sram_resource,
  258. };
  259. static struct mxc_nand_platform_data pcm037_nand_board_info = {
  260. .width = 1,
  261. .hw_ecc = 1,
  262. };
  263. static struct imxi2c_platform_data pcm037_i2c_1_data = {
  264. .bitrate = 100000,
  265. };
  266. static struct imxi2c_platform_data pcm037_i2c_2_data = {
  267. .bitrate = 20000,
  268. };
  269. static struct at24_platform_data board_eeprom = {
  270. .byte_len = 4096,
  271. .page_size = 32,
  272. .flags = AT24_FLAG_ADDR16,
  273. };
  274. static int pcm037_camera_power(struct device *dev, int on)
  275. {
  276. /* disable or enable the camera in X7 or X8 PCM970 connector */
  277. gpio_set_value(IOMUX_TO_GPIO(MX31_PIN_CSI_D5), !on);
  278. return 0;
  279. }
  280. static struct i2c_board_info pcm037_i2c_camera[] = {
  281. {
  282. I2C_BOARD_INFO("mt9t031", 0x5d),
  283. }, {
  284. I2C_BOARD_INFO("mt9v022", 0x48),
  285. },
  286. };
  287. static struct soc_camera_link iclink_mt9v022 = {
  288. .bus_id = 0, /* Must match with the camera ID */
  289. .board_info = &pcm037_i2c_camera[1],
  290. .i2c_adapter_id = 2,
  291. .module_name = "mt9v022",
  292. };
  293. static struct soc_camera_link iclink_mt9t031 = {
  294. .bus_id = 0, /* Must match with the camera ID */
  295. .power = pcm037_camera_power,
  296. .board_info = &pcm037_i2c_camera[0],
  297. .i2c_adapter_id = 2,
  298. .module_name = "mt9t031",
  299. };
  300. static struct i2c_board_info pcm037_i2c_devices[] = {
  301. {
  302. I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
  303. .platform_data = &board_eeprom,
  304. }, {
  305. I2C_BOARD_INFO("pcf8563", 0x51),
  306. }
  307. };
  308. static struct platform_device pcm037_mt9t031 = {
  309. .name = "soc-camera-pdrv",
  310. .id = 0,
  311. .dev = {
  312. .platform_data = &iclink_mt9t031,
  313. },
  314. };
  315. static struct platform_device pcm037_mt9v022 = {
  316. .name = "soc-camera-pdrv",
  317. .id = 1,
  318. .dev = {
  319. .platform_data = &iclink_mt9v022,
  320. },
  321. };
  322. /* Not connected by default */
  323. #ifdef PCM970_SDHC_RW_SWITCH
  324. static int pcm970_sdhc1_get_ro(struct device *dev)
  325. {
  326. return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_SFS6));
  327. }
  328. #endif
  329. #define SDHC1_GPIO_WP IOMUX_TO_GPIO(MX31_PIN_SFS6)
  330. #define SDHC1_GPIO_DET IOMUX_TO_GPIO(MX31_PIN_SCK6)
  331. static int pcm970_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
  332. void *data)
  333. {
  334. int ret;
  335. ret = gpio_request(SDHC1_GPIO_DET, "sdhc-detect");
  336. if (ret)
  337. return ret;
  338. gpio_direction_input(SDHC1_GPIO_DET);
  339. #ifdef PCM970_SDHC_RW_SWITCH
  340. ret = gpio_request(SDHC1_GPIO_WP, "sdhc-wp");
  341. if (ret)
  342. goto err_gpio_free;
  343. gpio_direction_input(SDHC1_GPIO_WP);
  344. #endif
  345. ret = request_irq(IOMUX_TO_IRQ(MX31_PIN_SCK6), detect_irq,
  346. IRQF_DISABLED | IRQF_TRIGGER_FALLING,
  347. "sdhc-detect", data);
  348. if (ret)
  349. goto err_gpio_free_2;
  350. return 0;
  351. err_gpio_free_2:
  352. #ifdef PCM970_SDHC_RW_SWITCH
  353. gpio_free(SDHC1_GPIO_WP);
  354. err_gpio_free:
  355. #endif
  356. gpio_free(SDHC1_GPIO_DET);
  357. return ret;
  358. }
  359. static void pcm970_sdhc1_exit(struct device *dev, void *data)
  360. {
  361. free_irq(IOMUX_TO_IRQ(MX31_PIN_SCK6), data);
  362. gpio_free(SDHC1_GPIO_DET);
  363. gpio_free(SDHC1_GPIO_WP);
  364. }
  365. static struct imxmmc_platform_data sdhc_pdata = {
  366. #ifdef PCM970_SDHC_RW_SWITCH
  367. .get_ro = pcm970_sdhc1_get_ro,
  368. #endif
  369. .init = pcm970_sdhc1_init,
  370. .exit = pcm970_sdhc1_exit,
  371. };
  372. struct mx3_camera_pdata camera_pdata = {
  373. .dma_dev = &mx3_ipu.dev,
  374. .flags = MX3_CAMERA_DATAWIDTH_8 | MX3_CAMERA_DATAWIDTH_10,
  375. .mclk_10khz = 2000,
  376. };
  377. static int __init pcm037_camera_alloc_dma(const size_t buf_size)
  378. {
  379. dma_addr_t dma_handle;
  380. void *buf;
  381. int dma;
  382. if (buf_size < 2 * 1024 * 1024)
  383. return -EINVAL;
  384. buf = dma_alloc_coherent(NULL, buf_size, &dma_handle, GFP_KERNEL);
  385. if (!buf) {
  386. pr_err("%s: cannot allocate camera buffer-memory\n", __func__);
  387. return -ENOMEM;
  388. }
  389. memset(buf, 0, buf_size);
  390. dma = dma_declare_coherent_memory(&mx3_camera.dev,
  391. dma_handle, dma_handle, buf_size,
  392. DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
  393. /* The way we call dma_declare_coherent_memory only a malloc can fail */
  394. return dma & DMA_MEMORY_MAP ? 0 : -ENOMEM;
  395. }
  396. static struct platform_device *devices[] __initdata = {
  397. &pcm037_flash,
  398. &pcm037_sram_device,
  399. &pcm037_mt9t031,
  400. &pcm037_mt9v022,
  401. };
  402. static struct ipu_platform_data mx3_ipu_data = {
  403. .irq_base = MXC_IPU_IRQ_START,
  404. };
  405. static const struct fb_videomode fb_modedb[] = {
  406. {
  407. /* 240x320 @ 60 Hz Sharp */
  408. .name = "Sharp-LQ035Q7DH06-QVGA",
  409. .refresh = 60,
  410. .xres = 240,
  411. .yres = 320,
  412. .pixclock = 185925,
  413. .left_margin = 9,
  414. .right_margin = 16,
  415. .upper_margin = 7,
  416. .lower_margin = 9,
  417. .hsync_len = 1,
  418. .vsync_len = 1,
  419. .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_SHARP_MODE |
  420. FB_SYNC_CLK_INVERT | FB_SYNC_CLK_IDLE_EN,
  421. .vmode = FB_VMODE_NONINTERLACED,
  422. .flag = 0,
  423. }, {
  424. /* 240x320 @ 60 Hz */
  425. .name = "TX090",
  426. .refresh = 60,
  427. .xres = 240,
  428. .yres = 320,
  429. .pixclock = 38255,
  430. .left_margin = 144,
  431. .right_margin = 0,
  432. .upper_margin = 7,
  433. .lower_margin = 40,
  434. .hsync_len = 96,
  435. .vsync_len = 1,
  436. .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_OE_ACT_HIGH,
  437. .vmode = FB_VMODE_NONINTERLACED,
  438. .flag = 0,
  439. }, {
  440. /* 240x320 @ 60 Hz */
  441. .name = "CMEL-OLED",
  442. .refresh = 60,
  443. .xres = 240,
  444. .yres = 320,
  445. .pixclock = 185925,
  446. .left_margin = 9,
  447. .right_margin = 16,
  448. .upper_margin = 7,
  449. .lower_margin = 9,
  450. .hsync_len = 1,
  451. .vsync_len = 1,
  452. .sync = FB_SYNC_OE_ACT_HIGH | FB_SYNC_CLK_INVERT,
  453. .vmode = FB_VMODE_NONINTERLACED,
  454. .flag = 0,
  455. },
  456. };
  457. static struct mx3fb_platform_data mx3fb_pdata = {
  458. .dma_dev = &mx3_ipu.dev,
  459. .name = "Sharp-LQ035Q7DH06-QVGA",
  460. .mode = fb_modedb,
  461. .num_modes = ARRAY_SIZE(fb_modedb),
  462. };
  463. static struct resource pcm970_sja1000_resources[] = {
  464. {
  465. .start = MX31_CS5_BASE_ADDR,
  466. .end = MX31_CS5_BASE_ADDR + 0x100 - 1,
  467. .flags = IORESOURCE_MEM,
  468. }, {
  469. .start = IOMUX_TO_IRQ(IOMUX_PIN(48, 105)),
  470. .end = IOMUX_TO_IRQ(IOMUX_PIN(48, 105)),
  471. .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
  472. },
  473. };
  474. struct sja1000_platform_data pcm970_sja1000_platform_data = {
  475. .clock = 16000000 / 2,
  476. .ocr = 0x40 | 0x18,
  477. .cdr = 0x40,
  478. };
  479. static struct platform_device pcm970_sja1000 = {
  480. .name = "sja1000_platform",
  481. .dev = {
  482. .platform_data = &pcm970_sja1000_platform_data,
  483. },
  484. .resource = pcm970_sja1000_resources,
  485. .num_resources = ARRAY_SIZE(pcm970_sja1000_resources),
  486. };
  487. static struct mxc_usbh_platform_data otg_pdata = {
  488. .portsc = MXC_EHCI_MODE_ULPI,
  489. .flags = MXC_EHCI_INTERFACE_DIFF_UNI,
  490. };
  491. static struct mxc_usbh_platform_data usbh2_pdata = {
  492. .portsc = MXC_EHCI_MODE_ULPI,
  493. .flags = MXC_EHCI_INTERFACE_DIFF_UNI,
  494. };
  495. static struct fsl_usb2_platform_data otg_device_pdata = {
  496. .operating_mode = FSL_USB2_DR_DEVICE,
  497. .phy_mode = FSL_USB2_PHY_ULPI,
  498. };
  499. static int otg_mode_host;
  500. static int __init pcm037_otg_mode(char *options)
  501. {
  502. if (!strcmp(options, "host"))
  503. otg_mode_host = 1;
  504. else if (!strcmp(options, "device"))
  505. otg_mode_host = 0;
  506. else
  507. pr_info("otg_mode neither \"host\" nor \"device\". "
  508. "Defaulting to device\n");
  509. return 0;
  510. }
  511. __setup("otg_mode=", pcm037_otg_mode);
  512. /*
  513. * Board specific initialization.
  514. */
  515. static void __init mxc_board_init(void)
  516. {
  517. int ret;
  518. u32 tmp;
  519. mxc_iomux_set_gpr(MUX_PGP_UH2, 1);
  520. mxc_iomux_setup_multiple_pins(pcm037_pins, ARRAY_SIZE(pcm037_pins),
  521. "pcm037");
  522. #define H2_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS \
  523. | PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
  524. mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, H2_PAD_CFG);
  525. mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, H2_PAD_CFG);
  526. mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, H2_PAD_CFG);
  527. mxc_iomux_set_pad(MX31_PIN_USBH2_STP, H2_PAD_CFG);
  528. mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, H2_PAD_CFG); /* USBH2_DATA0 */
  529. mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, H2_PAD_CFG); /* USBH2_DATA1 */
  530. mxc_iomux_set_pad(MX31_PIN_SRXD6, H2_PAD_CFG); /* USBH2_DATA2 */
  531. mxc_iomux_set_pad(MX31_PIN_STXD6, H2_PAD_CFG); /* USBH2_DATA3 */
  532. mxc_iomux_set_pad(MX31_PIN_SFS3, H2_PAD_CFG); /* USBH2_DATA4 */
  533. mxc_iomux_set_pad(MX31_PIN_SCK3, H2_PAD_CFG); /* USBH2_DATA5 */
  534. mxc_iomux_set_pad(MX31_PIN_SRXD3, H2_PAD_CFG); /* USBH2_DATA6 */
  535. mxc_iomux_set_pad(MX31_PIN_STXD3, H2_PAD_CFG); /* USBH2_DATA7 */
  536. if (pcm037_variant() == PCM037_EET)
  537. mxc_iomux_setup_multiple_pins(pcm037_uart1_pins,
  538. ARRAY_SIZE(pcm037_uart1_pins), "pcm037_uart1");
  539. else
  540. mxc_iomux_setup_multiple_pins(pcm037_uart1_handshake_pins,
  541. ARRAY_SIZE(pcm037_uart1_handshake_pins),
  542. "pcm037_uart1");
  543. platform_add_devices(devices, ARRAY_SIZE(devices));
  544. mxc_register_device(&mxc_uart_device0, &uart_pdata);
  545. mxc_register_device(&mxc_uart_device1, &uart_pdata);
  546. mxc_register_device(&mxc_uart_device2, &uart_pdata);
  547. mxc_register_device(&mxc_w1_master_device, NULL);
  548. /* LAN9217 IRQ pin */
  549. ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1), "lan9217-irq");
  550. if (ret)
  551. pr_warning("could not get LAN irq gpio\n");
  552. else {
  553. gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1));
  554. platform_device_register(&pcm037_eth);
  555. }
  556. /* I2C adapters and devices */
  557. i2c_register_board_info(1, pcm037_i2c_devices,
  558. ARRAY_SIZE(pcm037_i2c_devices));
  559. mxc_register_device(&mxc_i2c_device1, &pcm037_i2c_1_data);
  560. mxc_register_device(&mxc_i2c_device2, &pcm037_i2c_2_data);
  561. mxc_register_device(&mxc_nand_device, &pcm037_nand_board_info);
  562. mxc_register_device(&mxcsdhc_device0, &sdhc_pdata);
  563. mxc_register_device(&mx3_ipu, &mx3_ipu_data);
  564. mxc_register_device(&mx3_fb, &mx3fb_pdata);
  565. /* CSI */
  566. /* Camera power: default - off */
  567. ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_CSI_D5), "mt9t031-power");
  568. if (!ret)
  569. gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_CSI_D5), 1);
  570. else
  571. iclink_mt9t031.power = NULL;
  572. if (!pcm037_camera_alloc_dma(4 * 1024 * 1024))
  573. mxc_register_device(&mx3_camera, &camera_pdata);
  574. platform_device_register(&pcm970_sja1000);
  575. #if defined(CONFIG_USB_ULPI)
  576. if (otg_mode_host) {
  577. otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
  578. USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
  579. mxc_register_device(&mxc_otg_host, &otg_pdata);
  580. }
  581. usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
  582. USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
  583. mxc_register_device(&mxc_usbh2, &usbh2_pdata);
  584. #endif
  585. if (!otg_mode_host)
  586. mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata);
  587. }
  588. static void __init pcm037_timer_init(void)
  589. {
  590. mx31_clocks_init(26000000);
  591. }
  592. struct sys_timer pcm037_timer = {
  593. .init = pcm037_timer_init,
  594. };
  595. MACHINE_START(PCM037, "Phytec Phycore pcm037")
  596. /* Maintainer: Pengutronix */
  597. .phys_io = MX31_AIPS1_BASE_ADDR,
  598. .io_pg_offst = (MX31_AIPS1_BASE_ADDR_VIRT >> 18) & 0xfffc,
  599. .boot_params = MX3x_PHYS_OFFSET + 0x100,
  600. .map_io = mx31_map_io,
  601. .init_irq = mx31_init_irq,
  602. .init_machine = mxc_board_init,
  603. .timer = &pcm037_timer,
  604. MACHINE_END