board-omap4panda.c 13 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455
  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/mfd/twl6040.h>
  28. #include <linux/regulator/machine.h>
  29. #include <linux/regulator/fixed.h>
  30. #include <linux/ti_wilink_st.h>
  31. #include <linux/usb/musb.h>
  32. #include <linux/usb/phy.h>
  33. #include <linux/usb/nop-usb-xceiv.h>
  34. #include <linux/wl12xx.h>
  35. #include <linux/irqchip/arm-gic.h>
  36. #include <linux/platform_data/omap-abe-twl6040.h>
  37. #include <asm/mach-types.h>
  38. #include <asm/mach/arch.h>
  39. #include <asm/mach/map.h>
  40. #include "common.h"
  41. #include "soc.h"
  42. #include "mmc.h"
  43. #include "hsmmc.h"
  44. #include "control.h"
  45. #include "mux.h"
  46. #include "common-board-devices.h"
  47. #include "dss-common.h"
  48. #define GPIO_HUB_POWER 1
  49. #define GPIO_HUB_NRESET 62
  50. #define GPIO_WIFI_PMENA 43
  51. #define GPIO_WIFI_IRQ 53
  52. /* wl127x BT, FM, GPS connectivity chip */
  53. static struct ti_st_plat_data wilink_platform_data = {
  54. .nshutdown_gpio = 46,
  55. .dev_name = "/dev/ttyO1",
  56. .flow_cntrl = 1,
  57. .baud_rate = 3000000,
  58. .chip_enable = NULL,
  59. .suspend = NULL,
  60. .resume = NULL,
  61. };
  62. static struct platform_device wl1271_device = {
  63. .name = "kim",
  64. .id = -1,
  65. .dev = {
  66. .platform_data = &wilink_platform_data,
  67. },
  68. };
  69. static struct gpio_led gpio_leds[] = {
  70. {
  71. .name = "pandaboard::status1",
  72. .default_trigger = "heartbeat",
  73. .gpio = 7,
  74. },
  75. {
  76. .name = "pandaboard::status2",
  77. .default_trigger = "mmc0",
  78. .gpio = 8,
  79. },
  80. };
  81. static struct gpio_led_platform_data gpio_led_info = {
  82. .leds = gpio_leds,
  83. .num_leds = ARRAY_SIZE(gpio_leds),
  84. };
  85. static struct platform_device leds_gpio = {
  86. .name = "leds-gpio",
  87. .id = -1,
  88. .dev = {
  89. .platform_data = &gpio_led_info,
  90. },
  91. };
  92. static struct omap_abe_twl6040_data panda_abe_audio_data = {
  93. /* Audio out */
  94. .has_hs = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
  95. /* HandsFree through expansion connector */
  96. .has_hf = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
  97. /* PandaBoard: FM TX, PandaBoardES: can be connected to audio out */
  98. .has_aux = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
  99. /* PandaBoard: FM RX, PandaBoardES: audio in */
  100. .has_afm = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
  101. /* No jack detection. */
  102. .jack_detection = 0,
  103. /* MCLK input is 38.4MHz */
  104. .mclk_freq = 38400000,
  105. };
  106. static struct platform_device panda_abe_audio = {
  107. .name = "omap-abe-twl6040",
  108. .id = -1,
  109. .dev = {
  110. .platform_data = &panda_abe_audio_data,
  111. },
  112. };
  113. static struct platform_device panda_hdmi_audio_codec = {
  114. .name = "hdmi-audio-codec",
  115. .id = -1,
  116. };
  117. static struct platform_device btwilink_device = {
  118. .name = "btwilink",
  119. .id = -1,
  120. };
  121. /* PHY device on HS USB Port 1 i.e. nop_usb_xceiv.1 */
  122. static struct nop_usb_xceiv_platform_data hsusb1_phy_data = {
  123. /* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */
  124. .clk_rate = 19200000,
  125. };
  126. static struct usbhs_phy_data phy_data[] __initdata = {
  127. {
  128. .port = 1,
  129. .reset_gpio = GPIO_HUB_NRESET,
  130. .vcc_gpio = GPIO_HUB_POWER,
  131. .vcc_polarity = 1,
  132. .platform_data = &hsusb1_phy_data,
  133. },
  134. };
  135. static struct platform_device *panda_devices[] __initdata = {
  136. &leds_gpio,
  137. &wl1271_device,
  138. &panda_abe_audio,
  139. &panda_hdmi_audio_codec,
  140. &btwilink_device,
  141. };
  142. static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
  143. .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
  144. };
  145. static void __init omap4_ehci_init(void)
  146. {
  147. int ret;
  148. /* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */
  149. ret = clk_add_alias("main_clk", "nop_usb_xceiv.1", "auxclk3_ck", NULL);
  150. if (ret)
  151. pr_err("Failed to add main_clk alias to auxclk3_ck\n");
  152. usbhs_init_phys(phy_data, ARRAY_SIZE(phy_data));
  153. usbhs_init(&usbhs_bdata);
  154. }
  155. static struct omap_musb_board_data musb_board_data = {
  156. .interface_type = MUSB_INTERFACE_UTMI,
  157. .mode = MUSB_OTG,
  158. .power = 100,
  159. };
  160. static struct omap2_hsmmc_info mmc[] = {
  161. {
  162. .mmc = 1,
  163. .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
  164. .gpio_wp = -EINVAL,
  165. .gpio_cd = -EINVAL,
  166. },
  167. {
  168. .name = "wl1271",
  169. .mmc = 5,
  170. .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
  171. .gpio_wp = -EINVAL,
  172. .gpio_cd = -EINVAL,
  173. .ocr_mask = MMC_VDD_165_195,
  174. .nonremovable = true,
  175. },
  176. {} /* Terminator */
  177. };
  178. static struct regulator_consumer_supply omap4_panda_vmmc5_supply[] = {
  179. REGULATOR_SUPPLY("vmmc", "omap_hsmmc.4"),
  180. };
  181. static struct regulator_init_data panda_vmmc5 = {
  182. .constraints = {
  183. .valid_ops_mask = REGULATOR_CHANGE_STATUS,
  184. },
  185. .num_consumer_supplies = ARRAY_SIZE(omap4_panda_vmmc5_supply),
  186. .consumer_supplies = omap4_panda_vmmc5_supply,
  187. };
  188. static struct fixed_voltage_config panda_vwlan = {
  189. .supply_name = "vwl1271",
  190. .microvolts = 1800000, /* 1.8V */
  191. .gpio = GPIO_WIFI_PMENA,
  192. .startup_delay = 70000, /* 70msec */
  193. .enable_high = 1,
  194. .enabled_at_boot = 0,
  195. .init_data = &panda_vmmc5,
  196. };
  197. static struct platform_device omap_vwlan_device = {
  198. .name = "reg-fixed-voltage",
  199. .id = 1,
  200. .dev = {
  201. .platform_data = &panda_vwlan,
  202. },
  203. };
  204. static struct wl12xx_platform_data omap_panda_wlan_data __initdata = {
  205. .board_ref_clock = WL12XX_REFCLOCK_38, /* 38.4 MHz */
  206. };
  207. static struct twl6040_codec_data twl6040_codec = {
  208. /* single-step ramp for headset and handsfree */
  209. .hs_left_step = 0x0f,
  210. .hs_right_step = 0x0f,
  211. .hf_left_step = 0x1d,
  212. .hf_right_step = 0x1d,
  213. };
  214. static struct twl6040_platform_data twl6040_data = {
  215. .codec = &twl6040_codec,
  216. .audpwron_gpio = 127,
  217. };
  218. static struct i2c_board_info __initdata panda_i2c_1_boardinfo[] = {
  219. {
  220. I2C_BOARD_INFO("twl6040", 0x4b),
  221. .irq = 119 + OMAP44XX_IRQ_GIC_START,
  222. .platform_data = &twl6040_data,
  223. },
  224. };
  225. /* Panda board uses the common PMIC configuration */
  226. static struct twl4030_platform_data omap4_panda_twldata;
  227. /*
  228. * Display monitor features are burnt in their EEPROM as EDID data. The EEPROM
  229. * is connected as I2C slave device, and can be accessed at address 0x50
  230. */
  231. static struct i2c_board_info __initdata panda_i2c_eeprom[] = {
  232. {
  233. I2C_BOARD_INFO("eeprom", 0x50),
  234. },
  235. };
  236. static int __init omap4_panda_i2c_init(void)
  237. {
  238. omap4_pmic_get_config(&omap4_panda_twldata, TWL_COMMON_PDATA_USB,
  239. TWL_COMMON_REGULATOR_VDAC |
  240. TWL_COMMON_REGULATOR_VAUX2 |
  241. TWL_COMMON_REGULATOR_VAUX3 |
  242. TWL_COMMON_REGULATOR_VMMC |
  243. TWL_COMMON_REGULATOR_VPP |
  244. TWL_COMMON_REGULATOR_VANA |
  245. TWL_COMMON_REGULATOR_VCXIO |
  246. TWL_COMMON_REGULATOR_VUSB |
  247. TWL_COMMON_REGULATOR_CLK32KG |
  248. TWL_COMMON_REGULATOR_V1V8 |
  249. TWL_COMMON_REGULATOR_V2V1);
  250. omap4_pmic_init("twl6030", &omap4_panda_twldata, panda_i2c_1_boardinfo,
  251. ARRAY_SIZE(panda_i2c_1_boardinfo));
  252. omap_register_i2c_bus(2, 400, NULL, 0);
  253. /*
  254. * Bus 3 is attached to the DVI port where devices like the pico DLP
  255. * projector don't work reliably with 400kHz
  256. */
  257. omap_register_i2c_bus(3, 100, panda_i2c_eeprom,
  258. ARRAY_SIZE(panda_i2c_eeprom));
  259. omap_register_i2c_bus(4, 400, NULL, 0);
  260. return 0;
  261. }
  262. #ifdef CONFIG_OMAP_MUX
  263. static struct omap_board_mux board_mux[] __initdata = {
  264. /* WLAN IRQ - GPIO 53 */
  265. OMAP4_MUX(GPMC_NCS3, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
  266. /* WLAN POWER ENABLE - GPIO 43 */
  267. OMAP4_MUX(GPMC_A19, OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT),
  268. /* WLAN SDIO: MMC5 CMD */
  269. OMAP4_MUX(SDMMC5_CMD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
  270. /* WLAN SDIO: MMC5 CLK */
  271. OMAP4_MUX(SDMMC5_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
  272. /* WLAN SDIO: MMC5 DAT[0-3] */
  273. OMAP4_MUX(SDMMC5_DAT0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
  274. OMAP4_MUX(SDMMC5_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
  275. OMAP4_MUX(SDMMC5_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
  276. OMAP4_MUX(SDMMC5_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
  277. /* gpio 0 - TFP410 PD */
  278. OMAP4_MUX(KPD_COL1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE3),
  279. /* dispc2_data23 */
  280. OMAP4_MUX(USBB2_ULPITLL_STP, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  281. /* dispc2_data22 */
  282. OMAP4_MUX(USBB2_ULPITLL_DIR, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  283. /* dispc2_data21 */
  284. OMAP4_MUX(USBB2_ULPITLL_NXT, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  285. /* dispc2_data20 */
  286. OMAP4_MUX(USBB2_ULPITLL_DAT0, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  287. /* dispc2_data19 */
  288. OMAP4_MUX(USBB2_ULPITLL_DAT1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  289. /* dispc2_data18 */
  290. OMAP4_MUX(USBB2_ULPITLL_DAT2, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  291. /* dispc2_data15 */
  292. OMAP4_MUX(USBB2_ULPITLL_DAT3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  293. /* dispc2_data14 */
  294. OMAP4_MUX(USBB2_ULPITLL_DAT4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  295. /* dispc2_data13 */
  296. OMAP4_MUX(USBB2_ULPITLL_DAT5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  297. /* dispc2_data12 */
  298. OMAP4_MUX(USBB2_ULPITLL_DAT6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  299. /* dispc2_data11 */
  300. OMAP4_MUX(USBB2_ULPITLL_DAT7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  301. /* dispc2_data10 */
  302. OMAP4_MUX(DPM_EMU3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  303. /* dispc2_data9 */
  304. OMAP4_MUX(DPM_EMU4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  305. /* dispc2_data16 */
  306. OMAP4_MUX(DPM_EMU5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  307. /* dispc2_data17 */
  308. OMAP4_MUX(DPM_EMU6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  309. /* dispc2_hsync */
  310. OMAP4_MUX(DPM_EMU7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  311. /* dispc2_pclk */
  312. OMAP4_MUX(DPM_EMU8, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  313. /* dispc2_vsync */
  314. OMAP4_MUX(DPM_EMU9, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  315. /* dispc2_de */
  316. OMAP4_MUX(DPM_EMU10, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  317. /* dispc2_data8 */
  318. OMAP4_MUX(DPM_EMU11, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  319. /* dispc2_data7 */
  320. OMAP4_MUX(DPM_EMU12, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  321. /* dispc2_data6 */
  322. OMAP4_MUX(DPM_EMU13, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  323. /* dispc2_data5 */
  324. OMAP4_MUX(DPM_EMU14, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  325. /* dispc2_data4 */
  326. OMAP4_MUX(DPM_EMU15, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  327. /* dispc2_data3 */
  328. OMAP4_MUX(DPM_EMU16, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  329. /* dispc2_data2 */
  330. OMAP4_MUX(DPM_EMU17, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  331. /* dispc2_data1 */
  332. OMAP4_MUX(DPM_EMU18, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  333. /* dispc2_data0 */
  334. OMAP4_MUX(DPM_EMU19, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
  335. /* NIRQ2 for twl6040 */
  336. OMAP4_MUX(SYS_NIRQ2, OMAP_MUX_MODE0 |
  337. OMAP_PIN_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
  338. /* GPIO_127 for twl6040 */
  339. OMAP4_MUX(HDQ_SIO, OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT),
  340. /* McPDM */
  341. OMAP4_MUX(ABE_PDM_UL_DATA, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
  342. OMAP4_MUX(ABE_PDM_DL_DATA, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
  343. OMAP4_MUX(ABE_PDM_FRAME, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
  344. OMAP4_MUX(ABE_PDM_LB_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
  345. OMAP4_MUX(ABE_CLKS, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
  346. /* McBSP1 */
  347. OMAP4_MUX(ABE_MCBSP1_CLKX, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
  348. OMAP4_MUX(ABE_MCBSP1_DR, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
  349. OMAP4_MUX(ABE_MCBSP1_DX, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT |
  350. OMAP_PULL_ENA),
  351. OMAP4_MUX(ABE_MCBSP1_FSX, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
  352. /* UART2 - BT/FM/GPS shared transport */
  353. OMAP4_MUX(UART2_CTS, OMAP_PIN_INPUT | OMAP_MUX_MODE0),
  354. OMAP4_MUX(UART2_RTS, OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
  355. OMAP4_MUX(UART2_RX, OMAP_PIN_INPUT | OMAP_MUX_MODE0),
  356. OMAP4_MUX(UART2_TX, OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
  357. { .reg_offset = OMAP_MUX_TERMINATOR },
  358. };
  359. #else
  360. #define board_mux NULL
  361. #endif
  362. static void omap4_panda_init_rev(void)
  363. {
  364. if (cpu_is_omap443x()) {
  365. /* PandaBoard 4430 */
  366. /* ASoC audio configuration */
  367. panda_abe_audio_data.card_name = "PandaBoard";
  368. panda_abe_audio_data.has_hsmic = 1;
  369. } else {
  370. /* PandaBoard ES */
  371. /* ASoC audio configuration */
  372. panda_abe_audio_data.card_name = "PandaBoardES";
  373. }
  374. }
  375. static void __init omap4_panda_init(void)
  376. {
  377. int package = OMAP_PACKAGE_CBS;
  378. int ret;
  379. if (omap_rev() == OMAP4430_REV_ES1_0)
  380. package = OMAP_PACKAGE_CBL;
  381. omap4_mux_init(board_mux, NULL, package);
  382. omap_panda_wlan_data.irq = gpio_to_irq(GPIO_WIFI_IRQ);
  383. ret = wl12xx_set_platform_data(&omap_panda_wlan_data);
  384. if (ret)
  385. pr_err("error setting wl12xx data: %d\n", ret);
  386. omap4_panda_init_rev();
  387. omap4_panda_i2c_init();
  388. platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
  389. platform_device_register(&omap_vwlan_device);
  390. omap_serial_init();
  391. omap_sdrc_init(NULL, NULL);
  392. omap4_twl6030_hsmmc_init(mmc);
  393. omap4_ehci_init();
  394. usb_bind_phy("musb-hdrc.2.auto", 0, "omap-usb2.3.auto");
  395. usb_musb_init(&musb_board_data);
  396. omap4_panda_display_init();
  397. }
  398. MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
  399. /* Maintainer: David Anders - Texas Instruments Inc */
  400. .atag_offset = 0x100,
  401. .smp = smp_ops(omap4_smp_ops),
  402. .reserve = omap_reserve,
  403. .map_io = omap4_map_io,
  404. .init_early = omap4430_init_early,
  405. .init_irq = gic_init_irq,
  406. .init_machine = omap4_panda_init,
  407. .init_late = omap4430_init_late,
  408. .init_time = omap4_local_timer_init,
  409. .restart = omap44xx_restart,
  410. MACHINE_END