board-omap4panda.c 19 KB

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  1. /*
  2. * Board support file for OMAP4430 based PandaBoard.
  3. *
  4. * Copyright (C) 2010 Texas Instruments
  5. *
  6. * Author: David Anders <x0132446@ti.com>
  7. *
  8. * Based on mach-omap2/board-4430sdp.c
  9. *
  10. * Author: Santosh Shilimkar <santosh.shilimkar@ti.com>
  11. *
  12. * Based on mach-omap2/board-3430sdp.c
  13. *
  14. * This program is free software; you can redistribute it and/or modify
  15. * it under the terms of the GNU General Public License version 2 as
  16. * published by the Free Software Foundation.
  17. */
  18. #include <linux/kernel.h>
  19. #include <linux/init.h>
  20. #include <linux/platform_device.h>
  21. #include <linux/clk.h>
  22. #include <linux/io.h>
  23. #include <linux/leds.h>
  24. #include <linux/gpio.h>
  25. #include <linux/usb/otg.h>
  26. #include <linux/i2c/twl.h>
  27. #include <linux/regulator/machine.h>
  28. #include <linux/regulator/fixed.h>
  29. #include <linux/wl12xx.h>
  30. #include <mach/hardware.h>
  31. #include <mach/omap4-common.h>
  32. #include <asm/mach-types.h>
  33. #include <asm/mach/arch.h>
  34. #include <asm/mach/map.h>
  35. #include <plat/display.h>
  36. #include <plat/board.h>
  37. #include <plat/common.h>
  38. #include <plat/usb.h>
  39. #include <plat/mmc.h>
  40. #include <plat/panel-generic-dpi.h>
  41. #include "timer-gp.h"
  42. #include "hsmmc.h"
  43. #include "control.h"
  44. #include "mux.h"
  45. #define GPIO_HUB_POWER 1
  46. #define GPIO_HUB_NRESET 62
  47. #define GPIO_WIFI_PMENA 43
  48. #define GPIO_WIFI_IRQ 53
  49. #define HDMI_GPIO_HPD 60 /* Hot plug pin for HDMI */
  50. #define HDMI_GPIO_LS_OE 41 /* Level shifter for HDMI */
  51. /* wl127x BT, FM, GPS connectivity chip */
  52. static int wl1271_gpios[] = {46, -1, -1};
  53. static struct platform_device wl1271_device = {
  54. .name = "kim",
  55. .id = -1,
  56. .dev = {
  57. .platform_data = &wl1271_gpios,
  58. },
  59. };
  60. static struct gpio_led gpio_leds[] = {
  61. {
  62. .name = "pandaboard::status1",
  63. .default_trigger = "heartbeat",
  64. .gpio = 7,
  65. },
  66. {
  67. .name = "pandaboard::status2",
  68. .default_trigger = "mmc0",
  69. .gpio = 8,
  70. },
  71. };
  72. static struct gpio_led_platform_data gpio_led_info = {
  73. .leds = gpio_leds,
  74. .num_leds = ARRAY_SIZE(gpio_leds),
  75. };
  76. static struct platform_device leds_gpio = {
  77. .name = "leds-gpio",
  78. .id = -1,
  79. .dev = {
  80. .platform_data = &gpio_led_info,
  81. },
  82. };
  83. static struct platform_device *panda_devices[] __initdata = {
  84. &leds_gpio,
  85. &wl1271_device,
  86. };
  87. static void __init omap4_panda_init_early(void)
  88. {
  89. omap2_init_common_infrastructure();
  90. omap2_init_common_devices(NULL, NULL);
  91. }
  92. static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
  93. .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
  94. .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
  95. .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
  96. .phy_reset = false,
  97. .reset_gpio_port[0] = -EINVAL,
  98. .reset_gpio_port[1] = -EINVAL,
  99. .reset_gpio_port[2] = -EINVAL
  100. };
  101. static void __init omap4_ehci_init(void)
  102. {
  103. int ret;
  104. struct clk *phy_ref_clk;
  105. /* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */
  106. phy_ref_clk = clk_get(NULL, "auxclk3_ck");
  107. if (IS_ERR(phy_ref_clk)) {
  108. pr_err("Cannot request auxclk3\n");
  109. goto error1;
  110. }
  111. clk_set_rate(phy_ref_clk, 19200000);
  112. clk_enable(phy_ref_clk);
  113. /* disable the power to the usb hub prior to init */
  114. ret = gpio_request(GPIO_HUB_POWER, "hub_power");
  115. if (ret) {
  116. pr_err("Cannot request GPIO %d\n", GPIO_HUB_POWER);
  117. goto error1;
  118. }
  119. gpio_export(GPIO_HUB_POWER, 0);
  120. gpio_direction_output(GPIO_HUB_POWER, 0);
  121. gpio_set_value(GPIO_HUB_POWER, 0);
  122. /* reset phy+hub */
  123. ret = gpio_request(GPIO_HUB_NRESET, "hub_nreset");
  124. if (ret) {
  125. pr_err("Cannot request GPIO %d\n", GPIO_HUB_NRESET);
  126. goto error2;
  127. }
  128. gpio_export(GPIO_HUB_NRESET, 0);
  129. gpio_direction_output(GPIO_HUB_NRESET, 0);
  130. gpio_set_value(GPIO_HUB_NRESET, 0);
  131. gpio_set_value(GPIO_HUB_NRESET, 1);
  132. usbhs_init(&usbhs_bdata);
  133. /* enable power to hub */
  134. gpio_set_value(GPIO_HUB_POWER, 1);
  135. return;
  136. error2:
  137. gpio_free(GPIO_HUB_POWER);
  138. error1:
  139. pr_err("Unable to initialize EHCI power/reset\n");
  140. return;
  141. }
  142. static struct omap_musb_board_data musb_board_data = {
  143. .interface_type = MUSB_INTERFACE_UTMI,
  144. .mode = MUSB_OTG,
  145. .power = 100,
  146. };
  147. static struct twl4030_usb_data omap4_usbphy_data = {
  148. .phy_init = omap4430_phy_init,
  149. .phy_exit = omap4430_phy_exit,
  150. .phy_power = omap4430_phy_power,
  151. .phy_set_clock = omap4430_phy_set_clk,
  152. .phy_suspend = omap4430_phy_suspend,
  153. };
  154. static struct omap2_hsmmc_info mmc[] = {
  155. {
  156. .mmc = 1,
  157. .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
  158. .gpio_wp = -EINVAL,
  159. .gpio_cd = -EINVAL,
  160. },
  161. {
  162. .name = "wl1271",
  163. .mmc = 5,
  164. .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
  165. .gpio_wp = -EINVAL,
  166. .gpio_cd = -EINVAL,
  167. .ocr_mask = MMC_VDD_165_195,
  168. .nonremovable = true,
  169. },
  170. {} /* Terminator */
  171. };
  172. static struct regulator_consumer_supply omap4_panda_vmmc_supply[] = {
  173. {
  174. .supply = "vmmc",
  175. .dev_name = "omap_hsmmc.0",
  176. },
  177. };
  178. static struct regulator_consumer_supply omap4_panda_vmmc5_supply = {
  179. .supply = "vmmc",
  180. .dev_name = "omap_hsmmc.4",
  181. };
  182. static struct regulator_init_data panda_vmmc5 = {
  183. .constraints = {
  184. .valid_ops_mask = REGULATOR_CHANGE_STATUS,
  185. },
  186. .num_consumer_supplies = 1,
  187. .consumer_supplies = &omap4_panda_vmmc5_supply,
  188. };
  189. static struct fixed_voltage_config panda_vwlan = {
  190. .supply_name = "vwl1271",
  191. .microvolts = 1800000, /* 1.8V */
  192. .gpio = GPIO_WIFI_PMENA,
  193. .startup_delay = 70000, /* 70msec */
  194. .enable_high = 1,
  195. .enabled_at_boot = 0,
  196. .init_data = &panda_vmmc5,
  197. };
  198. static struct platform_device omap_vwlan_device = {
  199. .name = "reg-fixed-voltage",
  200. .id = 1,
  201. .dev = {
  202. .platform_data = &panda_vwlan,
  203. },
  204. };
  205. struct wl12xx_platform_data omap_panda_wlan_data __initdata = {
  206. .irq = OMAP_GPIO_IRQ(GPIO_WIFI_IRQ),
  207. /* PANDA ref clock is 38.4 MHz */
  208. .board_ref_clock = 2,
  209. };
  210. static int omap4_twl6030_hsmmc_late_init(struct device *dev)
  211. {
  212. int ret = 0;
  213. struct platform_device *pdev = container_of(dev,
  214. struct platform_device, dev);
  215. struct omap_mmc_platform_data *pdata = dev->platform_data;
  216. if (!pdata) {
  217. dev_err(dev, "%s: NULL platform data\n", __func__);
  218. return -EINVAL;
  219. }
  220. /* Setting MMC1 Card detect Irq */
  221. if (pdev->id == 0) {
  222. ret = twl6030_mmc_card_detect_config();
  223. if (ret)
  224. dev_err(dev, "%s: Error card detect config(%d)\n",
  225. __func__, ret);
  226. else
  227. pdata->slots[0].card_detect = twl6030_mmc_card_detect;
  228. }
  229. return ret;
  230. }
  231. static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
  232. {
  233. struct omap_mmc_platform_data *pdata;
  234. /* dev can be null if CONFIG_MMC_OMAP_HS is not set */
  235. if (!dev) {
  236. pr_err("Failed omap4_twl6030_hsmmc_set_late_init\n");
  237. return;
  238. }
  239. pdata = dev->platform_data;
  240. pdata->init = omap4_twl6030_hsmmc_late_init;
  241. }
  242. static int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers)
  243. {
  244. struct omap2_hsmmc_info *c;
  245. omap2_hsmmc_init(controllers);
  246. for (c = controllers; c->mmc; c++)
  247. omap4_twl6030_hsmmc_set_late_init(c->dev);
  248. return 0;
  249. }
  250. static struct regulator_init_data omap4_panda_vaux2 = {
  251. .constraints = {
  252. .min_uV = 1200000,
  253. .max_uV = 2800000,
  254. .apply_uV = true,
  255. .valid_modes_mask = REGULATOR_MODE_NORMAL
  256. | REGULATOR_MODE_STANDBY,
  257. .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
  258. | REGULATOR_CHANGE_MODE
  259. | REGULATOR_CHANGE_STATUS,
  260. },
  261. };
  262. static struct regulator_init_data omap4_panda_vaux3 = {
  263. .constraints = {
  264. .min_uV = 1000000,
  265. .max_uV = 3000000,
  266. .apply_uV = true,
  267. .valid_modes_mask = REGULATOR_MODE_NORMAL
  268. | REGULATOR_MODE_STANDBY,
  269. .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
  270. | REGULATOR_CHANGE_MODE
  271. | REGULATOR_CHANGE_STATUS,
  272. },
  273. };
  274. /* VMMC1 for MMC1 card */
  275. static struct regulator_init_data omap4_panda_vmmc = {
  276. .constraints = {
  277. .min_uV = 1200000,
  278. .max_uV = 3000000,
  279. .apply_uV = true,
  280. .valid_modes_mask = REGULATOR_MODE_NORMAL
  281. | REGULATOR_MODE_STANDBY,
  282. .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
  283. | REGULATOR_CHANGE_MODE
  284. | REGULATOR_CHANGE_STATUS,
  285. },
  286. .num_consumer_supplies = 1,
  287. .consumer_supplies = omap4_panda_vmmc_supply,
  288. };
  289. static struct regulator_init_data omap4_panda_vpp = {
  290. .constraints = {
  291. .min_uV = 1800000,
  292. .max_uV = 2500000,
  293. .apply_uV = true,
  294. .valid_modes_mask = REGULATOR_MODE_NORMAL
  295. | REGULATOR_MODE_STANDBY,
  296. .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
  297. | REGULATOR_CHANGE_MODE
  298. | REGULATOR_CHANGE_STATUS,
  299. },
  300. };
  301. static struct regulator_init_data omap4_panda_vana = {
  302. .constraints = {
  303. .min_uV = 2100000,
  304. .max_uV = 2100000,
  305. .valid_modes_mask = REGULATOR_MODE_NORMAL
  306. | REGULATOR_MODE_STANDBY,
  307. .valid_ops_mask = REGULATOR_CHANGE_MODE
  308. | REGULATOR_CHANGE_STATUS,
  309. },
  310. };
  311. static struct regulator_init_data omap4_panda_vcxio = {
  312. .constraints = {
  313. .min_uV = 1800000,
  314. .max_uV = 1800000,
  315. .valid_modes_mask = REGULATOR_MODE_NORMAL
  316. | REGULATOR_MODE_STANDBY,
  317. .valid_ops_mask = REGULATOR_CHANGE_MODE
  318. | REGULATOR_CHANGE_STATUS,
  319. },
  320. };
  321. static struct regulator_init_data omap4_panda_vdac = {
  322. .constraints = {
  323. .min_uV = 1800000,
  324. .max_uV = 1800000,
  325. .valid_modes_mask = REGULATOR_MODE_NORMAL
  326. | REGULATOR_MODE_STANDBY,
  327. .valid_ops_mask = REGULATOR_CHANGE_MODE
  328. | REGULATOR_CHANGE_STATUS,
  329. },
  330. };
  331. static struct regulator_init_data omap4_panda_vusb = {
  332. .constraints = {
  333. .min_uV = 3300000,
  334. .max_uV = 3300000,
  335. .apply_uV = true,
  336. .valid_modes_mask = REGULATOR_MODE_NORMAL
  337. | REGULATOR_MODE_STANDBY,
  338. .valid_ops_mask = REGULATOR_CHANGE_MODE
  339. | REGULATOR_CHANGE_STATUS,
  340. },
  341. };
  342. static struct regulator_init_data omap4_panda_clk32kg = {
  343. .constraints = {
  344. .valid_ops_mask = REGULATOR_CHANGE_STATUS,
  345. },
  346. };
  347. static struct twl4030_platform_data omap4_panda_twldata = {
  348. .irq_base = TWL6030_IRQ_BASE,
  349. .irq_end = TWL6030_IRQ_END,
  350. /* Regulators */
  351. .vmmc = &omap4_panda_vmmc,
  352. .vpp = &omap4_panda_vpp,
  353. .vana = &omap4_panda_vana,
  354. .vcxio = &omap4_panda_vcxio,
  355. .vdac = &omap4_panda_vdac,
  356. .vusb = &omap4_panda_vusb,
  357. .vaux2 = &omap4_panda_vaux2,
  358. .vaux3 = &omap4_panda_vaux3,
  359. .clk32kg = &omap4_panda_clk32kg,
  360. .usb = &omap4_usbphy_data,
  361. };
  362. static struct i2c_board_info __initdata omap4_panda_i2c_boardinfo[] = {
  363. {
  364. I2C_BOARD_INFO("twl6030", 0x48),
  365. .flags = I2C_CLIENT_WAKE,
  366. .irq = OMAP44XX_IRQ_SYS_1N,
  367. .platform_data = &omap4_panda_twldata,
  368. },
  369. };
  370. /*
  371. * Display monitor features are burnt in their EEPROM as EDID data. The EEPROM
  372. * is connected as I2C slave device, and can be accessed at address 0x50
  373. */
  374. static struct i2c_board_info __initdata panda_i2c_eeprom[] = {
  375. {
  376. I2C_BOARD_INFO("eeprom", 0x50),
  377. },
  378. };
  379. static int __init omap4_panda_i2c_init(void)
  380. {
  381. /*
  382. * Phoenix Audio IC needs I2C1 to
  383. * start with 400 KHz or less
  384. */
  385. omap_register_i2c_bus(1, 400, omap4_panda_i2c_boardinfo,
  386. ARRAY_SIZE(omap4_panda_i2c_boardinfo));
  387. omap_register_i2c_bus(2, 400, NULL, 0);
  388. /*
  389. * Bus 3 is attached to the DVI port where devices like the pico DLP
  390. * projector don't work reliably with 400kHz
  391. */
  392. omap_register_i2c_bus(3, 100, panda_i2c_eeprom,
  393. ARRAY_SIZE(panda_i2c_eeprom));
  394. omap_register_i2c_bus(4, 400, NULL, 0);
  395. return 0;
  396. }
  397. #ifdef CONFIG_OMAP_MUX
  398. static struct omap_board_mux board_mux[] __initdata = {
  399. /* WLAN IRQ - GPIO 53 */
  400. OMAP4_MUX(GPMC_NCS3, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
  401. /* WLAN POWER ENABLE - GPIO 43 */
  402. OMAP4_MUX(GPMC_A19, OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT),
  403. /* WLAN SDIO: MMC5 CMD */
  404. OMAP4_MUX(SDMMC5_CMD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
  405. /* WLAN SDIO: MMC5 CLK */
  406. OMAP4_MUX(SDMMC5_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
  407. /* WLAN SDIO: MMC5 DAT[0-3] */
  408. OMAP4_MUX(SDMMC5_DAT0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
  409. OMAP4_MUX(SDMMC5_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
  410. OMAP4_MUX(SDMMC5_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
  411. OMAP4_MUX(SDMMC5_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
  412. /* gpio 0 - TFP410 PD */
  413. OMAP4_MUX(KPD_COL1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE3),
  414. /* dispc2_data23 */
  415. OMAP4_MUX(USBB2_ULPITLL_STP, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  416. /* dispc2_data22 */
  417. OMAP4_MUX(USBB2_ULPITLL_DIR, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  418. /* dispc2_data21 */
  419. OMAP4_MUX(USBB2_ULPITLL_NXT, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  420. /* dispc2_data20 */
  421. OMAP4_MUX(USBB2_ULPITLL_DAT0, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  422. /* dispc2_data19 */
  423. OMAP4_MUX(USBB2_ULPITLL_DAT1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  424. /* dispc2_data18 */
  425. OMAP4_MUX(USBB2_ULPITLL_DAT2, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  426. /* dispc2_data15 */
  427. OMAP4_MUX(USBB2_ULPITLL_DAT3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  428. /* dispc2_data14 */
  429. OMAP4_MUX(USBB2_ULPITLL_DAT4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  430. /* dispc2_data13 */
  431. OMAP4_MUX(USBB2_ULPITLL_DAT5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  432. /* dispc2_data12 */
  433. OMAP4_MUX(USBB2_ULPITLL_DAT6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  434. /* dispc2_data11 */
  435. OMAP4_MUX(USBB2_ULPITLL_DAT7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  436. /* dispc2_data10 */
  437. OMAP4_MUX(DPM_EMU3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  438. /* dispc2_data9 */
  439. OMAP4_MUX(DPM_EMU4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  440. /* dispc2_data16 */
  441. OMAP4_MUX(DPM_EMU5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  442. /* dispc2_data17 */
  443. OMAP4_MUX(DPM_EMU6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  444. /* dispc2_hsync */
  445. OMAP4_MUX(DPM_EMU7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  446. /* dispc2_pclk */
  447. OMAP4_MUX(DPM_EMU8, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  448. /* dispc2_vsync */
  449. OMAP4_MUX(DPM_EMU9, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  450. /* dispc2_de */
  451. OMAP4_MUX(DPM_EMU10, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  452. /* dispc2_data8 */
  453. OMAP4_MUX(DPM_EMU11, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  454. /* dispc2_data7 */
  455. OMAP4_MUX(DPM_EMU12, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  456. /* dispc2_data6 */
  457. OMAP4_MUX(DPM_EMU13, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  458. /* dispc2_data5 */
  459. OMAP4_MUX(DPM_EMU14, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  460. /* dispc2_data4 */
  461. OMAP4_MUX(DPM_EMU15, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  462. /* dispc2_data3 */
  463. OMAP4_MUX(DPM_EMU16, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  464. /* dispc2_data2 */
  465. OMAP4_MUX(DPM_EMU17, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  466. /* dispc2_data1 */
  467. OMAP4_MUX(DPM_EMU18, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  468. /* dispc2_data0 */
  469. OMAP4_MUX(DPM_EMU19, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  470. { .reg_offset = OMAP_MUX_TERMINATOR },
  471. };
  472. static struct omap_device_pad serial2_pads[] __initdata = {
  473. OMAP_MUX_STATIC("uart2_cts.uart2_cts",
  474. OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
  475. OMAP_MUX_STATIC("uart2_rts.uart2_rts",
  476. OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
  477. OMAP_MUX_STATIC("uart2_rx.uart2_rx",
  478. OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
  479. OMAP_MUX_STATIC("uart2_tx.uart2_tx",
  480. OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
  481. };
  482. static struct omap_device_pad serial3_pads[] __initdata = {
  483. OMAP_MUX_STATIC("uart3_cts_rctx.uart3_cts_rctx",
  484. OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
  485. OMAP_MUX_STATIC("uart3_rts_sd.uart3_rts_sd",
  486. OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
  487. OMAP_MUX_STATIC("uart3_rx_irrx.uart3_rx_irrx",
  488. OMAP_PIN_INPUT | OMAP_MUX_MODE0),
  489. OMAP_MUX_STATIC("uart3_tx_irtx.uart3_tx_irtx",
  490. OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
  491. };
  492. static struct omap_device_pad serial4_pads[] __initdata = {
  493. OMAP_MUX_STATIC("uart4_rx.uart4_rx",
  494. OMAP_PIN_INPUT | OMAP_MUX_MODE0),
  495. OMAP_MUX_STATIC("uart4_tx.uart4_tx",
  496. OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
  497. };
  498. static struct omap_board_data serial2_data = {
  499. .id = 1,
  500. .pads = serial2_pads,
  501. .pads_cnt = ARRAY_SIZE(serial2_pads),
  502. };
  503. static struct omap_board_data serial3_data = {
  504. .id = 2,
  505. .pads = serial3_pads,
  506. .pads_cnt = ARRAY_SIZE(serial3_pads),
  507. };
  508. static struct omap_board_data serial4_data = {
  509. .id = 3,
  510. .pads = serial4_pads,
  511. .pads_cnt = ARRAY_SIZE(serial4_pads),
  512. };
  513. static inline void board_serial_init(void)
  514. {
  515. struct omap_board_data bdata;
  516. bdata.flags = 0;
  517. bdata.pads = NULL;
  518. bdata.pads_cnt = 0;
  519. bdata.id = 0;
  520. /* pass dummy data for UART1 */
  521. omap_serial_init_port(&bdata);
  522. omap_serial_init_port(&serial2_data);
  523. omap_serial_init_port(&serial3_data);
  524. omap_serial_init_port(&serial4_data);
  525. }
  526. #else
  527. #define board_mux NULL
  528. static inline void board_serial_init(void)
  529. {
  530. omap_serial_init();
  531. }
  532. #endif
  533. /* Display DVI */
  534. #define PANDA_DVI_TFP410_POWER_DOWN_GPIO 0
  535. static int omap4_panda_enable_dvi(struct omap_dss_device *dssdev)
  536. {
  537. gpio_set_value(dssdev->reset_gpio, 1);
  538. return 0;
  539. }
  540. static void omap4_panda_disable_dvi(struct omap_dss_device *dssdev)
  541. {
  542. gpio_set_value(dssdev->reset_gpio, 0);
  543. }
  544. /* Using generic display panel */
  545. static struct panel_generic_dpi_data omap4_dvi_panel = {
  546. .name = "generic",
  547. .platform_enable = omap4_panda_enable_dvi,
  548. .platform_disable = omap4_panda_disable_dvi,
  549. };
  550. struct omap_dss_device omap4_panda_dvi_device = {
  551. .type = OMAP_DISPLAY_TYPE_DPI,
  552. .name = "dvi",
  553. .driver_name = "generic_dpi_panel",
  554. .data = &omap4_dvi_panel,
  555. .phy.dpi.data_lines = 24,
  556. .reset_gpio = PANDA_DVI_TFP410_POWER_DOWN_GPIO,
  557. .channel = OMAP_DSS_CHANNEL_LCD2,
  558. };
  559. int __init omap4_panda_dvi_init(void)
  560. {
  561. int r;
  562. /* Requesting TFP410 DVI GPIO and disabling it, at bootup */
  563. r = gpio_request_one(omap4_panda_dvi_device.reset_gpio,
  564. GPIOF_OUT_INIT_LOW, "DVI PD");
  565. if (r)
  566. pr_err("Failed to get DVI powerdown GPIO\n");
  567. return r;
  568. }
  569. static void omap4_panda_hdmi_mux_init(void)
  570. {
  571. /* PAD0_HDMI_HPD_PAD1_HDMI_CEC */
  572. omap_mux_init_signal("hdmi_hpd",
  573. OMAP_PIN_INPUT_PULLUP);
  574. omap_mux_init_signal("hdmi_cec",
  575. OMAP_PIN_INPUT_PULLUP);
  576. /* PAD0_HDMI_DDC_SCL_PAD1_HDMI_DDC_SDA */
  577. omap_mux_init_signal("hdmi_ddc_scl",
  578. OMAP_PIN_INPUT_PULLUP);
  579. omap_mux_init_signal("hdmi_ddc_sda",
  580. OMAP_PIN_INPUT_PULLUP);
  581. }
  582. static int omap4_panda_panel_enable_hdmi(struct omap_dss_device *dssdev)
  583. {
  584. int status;
  585. status = gpio_request_one(HDMI_GPIO_HPD, GPIOF_OUT_INIT_HIGH,
  586. "hdmi_gpio_hpd");
  587. if (status) {
  588. pr_err("Cannot request GPIO %d\n", HDMI_GPIO_HPD);
  589. return status;
  590. }
  591. status = gpio_request_one(HDMI_GPIO_LS_OE, GPIOF_OUT_INIT_HIGH,
  592. "hdmi_gpio_ls_oe");
  593. if (status) {
  594. pr_err("Cannot request GPIO %d\n", HDMI_GPIO_LS_OE);
  595. goto error1;
  596. }
  597. return 0;
  598. error1:
  599. gpio_free(HDMI_GPIO_HPD);
  600. return status;
  601. }
  602. static void omap4_panda_panel_disable_hdmi(struct omap_dss_device *dssdev)
  603. {
  604. gpio_free(HDMI_GPIO_LS_OE);
  605. gpio_free(HDMI_GPIO_HPD);
  606. }
  607. static struct omap_dss_device omap4_panda_hdmi_device = {
  608. .name = "hdmi",
  609. .driver_name = "hdmi_panel",
  610. .type = OMAP_DISPLAY_TYPE_HDMI,
  611. .platform_enable = omap4_panda_panel_enable_hdmi,
  612. .platform_disable = omap4_panda_panel_disable_hdmi,
  613. .channel = OMAP_DSS_CHANNEL_DIGIT,
  614. };
  615. static struct omap_dss_device *omap4_panda_dss_devices[] = {
  616. &omap4_panda_dvi_device,
  617. &omap4_panda_hdmi_device,
  618. };
  619. static struct omap_dss_board_info omap4_panda_dss_data = {
  620. .num_devices = ARRAY_SIZE(omap4_panda_dss_devices),
  621. .devices = omap4_panda_dss_devices,
  622. .default_device = &omap4_panda_dvi_device,
  623. };
  624. void omap4_panda_display_init(void)
  625. {
  626. int r;
  627. r = omap4_panda_dvi_init();
  628. if (r)
  629. pr_err("error initializing panda DVI\n");
  630. omap4_panda_hdmi_mux_init();
  631. omap_display_init(&omap4_panda_dss_data);
  632. }
  633. static void __init omap4_panda_init(void)
  634. {
  635. int package = OMAP_PACKAGE_CBS;
  636. if (omap_rev() == OMAP4430_REV_ES1_0)
  637. package = OMAP_PACKAGE_CBL;
  638. omap4_mux_init(board_mux, package);
  639. if (wl12xx_set_platform_data(&omap_panda_wlan_data))
  640. pr_err("error setting wl12xx data\n");
  641. omap4_panda_i2c_init();
  642. platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
  643. platform_device_register(&omap_vwlan_device);
  644. board_serial_init();
  645. omap4_twl6030_hsmmc_init(mmc);
  646. omap4_ehci_init();
  647. usb_musb_init(&musb_board_data);
  648. omap4_panda_display_init();
  649. }
  650. static void __init omap4_panda_map_io(void)
  651. {
  652. omap2_set_globals_443x();
  653. omap44xx_map_common_io();
  654. }
  655. MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
  656. /* Maintainer: David Anders - Texas Instruments Inc */
  657. .boot_params = 0x80000100,
  658. .reserve = omap_reserve,
  659. .map_io = omap4_panda_map_io,
  660. .init_early = omap4_panda_init_early,
  661. .init_irq = gic_init_irq,
  662. .init_machine = omap4_panda_init,
  663. .timer = &omap_timer,
  664. MACHINE_END