board-omap3stalker.c 14 KB

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  1. /*
  2. * linux/arch/arm/mach-omap2/board-omap3evm.c
  3. *
  4. * Copyright (C) 2008 Guangzhou EMA-Tech
  5. *
  6. * Modified from mach-omap2/board-omap3evm.c
  7. *
  8. * Initial code: Syed Mohammed Khasim
  9. *
  10. * This program is free software; you can redistribute it and/or modify
  11. * it under the terms of the GNU General Public License version 2 as
  12. * published by the Free Software Foundation.
  13. */
  14. #include <linux/kernel.h>
  15. #include <linux/init.h>
  16. #include <linux/platform_device.h>
  17. #include <linux/delay.h>
  18. #include <linux/err.h>
  19. #include <linux/clk.h>
  20. #include <linux/io.h>
  21. #include <linux/leds.h>
  22. #include <linux/gpio.h>
  23. #include <linux/input.h>
  24. #include <linux/gpio_keys.h>
  25. #include <linux/regulator/machine.h>
  26. #include <linux/i2c/twl.h>
  27. #include <linux/mmc/host.h>
  28. #include <mach/hardware.h>
  29. #include <asm/mach-types.h>
  30. #include <asm/mach/arch.h>
  31. #include <asm/mach/map.h>
  32. #include <asm/mach/flash.h>
  33. #include <plat/board.h>
  34. #include <plat/common.h>
  35. #include <plat/gpmc.h>
  36. #include <plat/nand.h>
  37. #include <plat/usb.h>
  38. #include <video/omapdss.h>
  39. #include <video/omap-panel-generic-dpi.h>
  40. #include <plat/mcspi.h>
  41. #include <linux/input/matrix_keypad.h>
  42. #include <linux/spi/spi.h>
  43. #include <linux/interrupt.h>
  44. #include <linux/smsc911x.h>
  45. #include <linux/i2c/at24.h>
  46. #include "sdram-micron-mt46h32m32lf-6.h"
  47. #include "mux.h"
  48. #include "hsmmc.h"
  49. #include "timer-gp.h"
  50. #include "common-board-devices.h"
  51. #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
  52. #include <plat/gpmc-smsc911x.h>
  53. #define OMAP3STALKER_ETHR_START 0x2c000000
  54. #define OMAP3STALKER_ETHR_SIZE 1024
  55. #define OMAP3STALKER_ETHR_GPIO_IRQ 19
  56. #define OMAP3STALKER_SMC911X_CS 5
  57. static struct omap_smsc911x_platform_data smsc911x_cfg = {
  58. .cs = OMAP3STALKER_SMC911X_CS,
  59. .gpio_irq = OMAP3STALKER_ETHR_GPIO_IRQ,
  60. .gpio_reset = -EINVAL,
  61. .flags = (SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS),
  62. };
  63. static inline void __init omap3stalker_init_eth(void)
  64. {
  65. struct clk *l3ck;
  66. unsigned int rate;
  67. l3ck = clk_get(NULL, "l3_ck");
  68. if (IS_ERR(l3ck))
  69. rate = 100000000;
  70. else
  71. rate = clk_get_rate(l3ck);
  72. omap_mux_init_gpio(19, OMAP_PIN_INPUT_PULLUP);
  73. gpmc_smsc911x_init(&smsc911x_cfg);
  74. }
  75. #else
  76. static inline void __init omap3stalker_init_eth(void)
  77. {
  78. return;
  79. }
  80. #endif
  81. /*
  82. * OMAP3 DSS control signals
  83. */
  84. #define DSS_ENABLE_GPIO 199
  85. #define LCD_PANEL_BKLIGHT_GPIO 210
  86. #define ENABLE_VPLL2_DEV_GRP 0xE0
  87. static int lcd_enabled;
  88. static int dvi_enabled;
  89. static void __init omap3_stalker_display_init(void)
  90. {
  91. return;
  92. }
  93. static int omap3_stalker_enable_lcd(struct omap_dss_device *dssdev)
  94. {
  95. if (dvi_enabled) {
  96. printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
  97. return -EINVAL;
  98. }
  99. gpio_set_value(DSS_ENABLE_GPIO, 1);
  100. gpio_set_value(LCD_PANEL_BKLIGHT_GPIO, 1);
  101. lcd_enabled = 1;
  102. return 0;
  103. }
  104. static void omap3_stalker_disable_lcd(struct omap_dss_device *dssdev)
  105. {
  106. gpio_set_value(DSS_ENABLE_GPIO, 0);
  107. gpio_set_value(LCD_PANEL_BKLIGHT_GPIO, 0);
  108. lcd_enabled = 0;
  109. }
  110. static struct panel_generic_dpi_data lcd_panel = {
  111. .name = "generic",
  112. .platform_enable = omap3_stalker_enable_lcd,
  113. .platform_disable = omap3_stalker_disable_lcd,
  114. };
  115. static struct omap_dss_device omap3_stalker_lcd_device = {
  116. .name = "lcd",
  117. .driver_name = "generic_dpi_panel",
  118. .data = &lcd_panel,
  119. .phy.dpi.data_lines = 24,
  120. .type = OMAP_DISPLAY_TYPE_DPI,
  121. };
  122. static int omap3_stalker_enable_tv(struct omap_dss_device *dssdev)
  123. {
  124. return 0;
  125. }
  126. static void omap3_stalker_disable_tv(struct omap_dss_device *dssdev)
  127. {
  128. }
  129. static struct omap_dss_device omap3_stalker_tv_device = {
  130. .name = "tv",
  131. .driver_name = "venc",
  132. .type = OMAP_DISPLAY_TYPE_VENC,
  133. #if defined(CONFIG_OMAP2_VENC_OUT_TYPE_SVIDEO)
  134. .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
  135. #elif defined(CONFIG_OMAP2_VENC_OUT_TYPE_COMPOSITE)
  136. .u.venc.type = OMAP_DSS_VENC_TYPE_COMPOSITE,
  137. #endif
  138. .platform_enable = omap3_stalker_enable_tv,
  139. .platform_disable = omap3_stalker_disable_tv,
  140. };
  141. static int omap3_stalker_enable_dvi(struct omap_dss_device *dssdev)
  142. {
  143. if (lcd_enabled) {
  144. printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
  145. return -EINVAL;
  146. }
  147. gpio_set_value(DSS_ENABLE_GPIO, 1);
  148. dvi_enabled = 1;
  149. return 0;
  150. }
  151. static void omap3_stalker_disable_dvi(struct omap_dss_device *dssdev)
  152. {
  153. gpio_set_value(DSS_ENABLE_GPIO, 0);
  154. dvi_enabled = 0;
  155. }
  156. static struct panel_generic_dpi_data dvi_panel = {
  157. .name = "generic",
  158. .platform_enable = omap3_stalker_enable_dvi,
  159. .platform_disable = omap3_stalker_disable_dvi,
  160. };
  161. static struct omap_dss_device omap3_stalker_dvi_device = {
  162. .name = "dvi",
  163. .type = OMAP_DISPLAY_TYPE_DPI,
  164. .driver_name = "generic_dpi_panel",
  165. .data = &dvi_panel,
  166. .phy.dpi.data_lines = 24,
  167. };
  168. static struct omap_dss_device *omap3_stalker_dss_devices[] = {
  169. &omap3_stalker_lcd_device,
  170. &omap3_stalker_tv_device,
  171. &omap3_stalker_dvi_device,
  172. };
  173. static struct omap_dss_board_info omap3_stalker_dss_data = {
  174. .num_devices = ARRAY_SIZE(omap3_stalker_dss_devices),
  175. .devices = omap3_stalker_dss_devices,
  176. .default_device = &omap3_stalker_dvi_device,
  177. };
  178. static struct regulator_consumer_supply omap3stalker_vmmc1_supply = {
  179. .supply = "vmmc",
  180. };
  181. static struct regulator_consumer_supply omap3stalker_vsim_supply = {
  182. .supply = "vmmc_aux",
  183. };
  184. /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
  185. static struct regulator_init_data omap3stalker_vmmc1 = {
  186. .constraints = {
  187. .min_uV = 1850000,
  188. .max_uV = 3150000,
  189. .valid_modes_mask = REGULATOR_MODE_NORMAL
  190. | REGULATOR_MODE_STANDBY,
  191. .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
  192. | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
  193. },
  194. .num_consumer_supplies = 1,
  195. .consumer_supplies = &omap3stalker_vmmc1_supply,
  196. };
  197. /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
  198. static struct regulator_init_data omap3stalker_vsim = {
  199. .constraints = {
  200. .min_uV = 1800000,
  201. .max_uV = 3000000,
  202. .valid_modes_mask = REGULATOR_MODE_NORMAL
  203. | REGULATOR_MODE_STANDBY,
  204. .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
  205. | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
  206. },
  207. .num_consumer_supplies = 1,
  208. .consumer_supplies = &omap3stalker_vsim_supply,
  209. };
  210. static struct omap2_hsmmc_info mmc[] = {
  211. {
  212. .mmc = 1,
  213. .caps = MMC_CAP_4_BIT_DATA,
  214. .gpio_cd = -EINVAL,
  215. .gpio_wp = 23,
  216. },
  217. {} /* Terminator */
  218. };
  219. static struct gpio_keys_button gpio_buttons[] = {
  220. {
  221. .code = BTN_EXTRA,
  222. .gpio = 18,
  223. .desc = "user",
  224. .wakeup = 1,
  225. },
  226. };
  227. static struct gpio_keys_platform_data gpio_key_info = {
  228. .buttons = gpio_buttons,
  229. .nbuttons = ARRAY_SIZE(gpio_buttons),
  230. };
  231. static struct platform_device keys_gpio = {
  232. .name = "gpio-keys",
  233. .id = -1,
  234. .dev = {
  235. .platform_data = &gpio_key_info,
  236. },
  237. };
  238. static struct gpio_led gpio_leds[] = {
  239. {
  240. .name = "stalker:D8:usr0",
  241. .default_trigger = "default-on",
  242. .gpio = 126,
  243. },
  244. {
  245. .name = "stalker:D9:usr1",
  246. .default_trigger = "default-on",
  247. .gpio = 127,
  248. },
  249. {
  250. .name = "stalker:D3:mmc0",
  251. .gpio = -EINVAL, /* gets replaced */
  252. .active_low = true,
  253. .default_trigger = "mmc0",
  254. },
  255. {
  256. .name = "stalker:D4:heartbeat",
  257. .gpio = -EINVAL, /* gets replaced */
  258. .active_low = true,
  259. .default_trigger = "heartbeat",
  260. },
  261. };
  262. static struct gpio_led_platform_data gpio_led_info = {
  263. .leds = gpio_leds,
  264. .num_leds = ARRAY_SIZE(gpio_leds),
  265. };
  266. static struct platform_device leds_gpio = {
  267. .name = "leds-gpio",
  268. .id = -1,
  269. .dev = {
  270. .platform_data = &gpio_led_info,
  271. },
  272. };
  273. static int
  274. omap3stalker_twl_gpio_setup(struct device *dev,
  275. unsigned gpio, unsigned ngpio)
  276. {
  277. /* gpio + 0 is "mmc0_cd" (input/IRQ) */
  278. omap_mux_init_gpio(23, OMAP_PIN_INPUT);
  279. mmc[0].gpio_cd = gpio + 0;
  280. omap2_hsmmc_init(mmc);
  281. /* link regulators to MMC adapters */
  282. omap3stalker_vmmc1_supply.dev = mmc[0].dev;
  283. omap3stalker_vsim_supply.dev = mmc[0].dev;
  284. /*
  285. * Most GPIOs are for USB OTG. Some are mostly sent to
  286. * the P2 connector; notably LEDA for the LCD backlight.
  287. */
  288. /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
  289. gpio_request_one(gpio + TWL4030_GPIO_MAX, GPIOF_OUT_INIT_LOW,
  290. "EN_LCD_BKL");
  291. /* gpio + 7 == DVI Enable */
  292. gpio_request_one(gpio + 7, GPIOF_OUT_INIT_LOW, "EN_DVI");
  293. /* TWL4030_GPIO_MAX + 1 == ledB (out, mmc0) */
  294. gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
  295. /* GPIO + 13 == ledsync (out, heartbeat) */
  296. gpio_leds[3].gpio = gpio + 13;
  297. platform_device_register(&leds_gpio);
  298. return 0;
  299. }
  300. static struct twl4030_gpio_platform_data omap3stalker_gpio_data = {
  301. .gpio_base = OMAP_MAX_GPIO_LINES,
  302. .irq_base = TWL4030_GPIO_IRQ_BASE,
  303. .irq_end = TWL4030_GPIO_IRQ_END,
  304. .use_leds = true,
  305. .setup = omap3stalker_twl_gpio_setup,
  306. };
  307. static struct twl4030_usb_data omap3stalker_usb_data = {
  308. .usb_mode = T2_USB_MODE_ULPI,
  309. };
  310. static uint32_t board_keymap[] = {
  311. KEY(0, 0, KEY_LEFT),
  312. KEY(0, 1, KEY_DOWN),
  313. KEY(0, 2, KEY_ENTER),
  314. KEY(0, 3, KEY_M),
  315. KEY(1, 0, KEY_RIGHT),
  316. KEY(1, 1, KEY_UP),
  317. KEY(1, 2, KEY_I),
  318. KEY(1, 3, KEY_N),
  319. KEY(2, 0, KEY_A),
  320. KEY(2, 1, KEY_E),
  321. KEY(2, 2, KEY_J),
  322. KEY(2, 3, KEY_O),
  323. KEY(3, 0, KEY_B),
  324. KEY(3, 1, KEY_F),
  325. KEY(3, 2, KEY_K),
  326. KEY(3, 3, KEY_P)
  327. };
  328. static struct matrix_keymap_data board_map_data = {
  329. .keymap = board_keymap,
  330. .keymap_size = ARRAY_SIZE(board_keymap),
  331. };
  332. static struct twl4030_keypad_data omap3stalker_kp_data = {
  333. .keymap_data = &board_map_data,
  334. .rows = 4,
  335. .cols = 4,
  336. .rep = 1,
  337. };
  338. static struct twl4030_madc_platform_data omap3stalker_madc_data = {
  339. .irq_line = 1,
  340. };
  341. static struct twl4030_codec_audio_data omap3stalker_audio_data;
  342. static struct twl4030_codec_data omap3stalker_codec_data = {
  343. .audio_mclk = 26000000,
  344. .audio = &omap3stalker_audio_data,
  345. };
  346. static struct regulator_consumer_supply omap3_stalker_vdda_dac_supply =
  347. REGULATOR_SUPPLY("vdda_dac", "omapdss_venc");
  348. /* VDAC for DSS driving S-Video */
  349. static struct regulator_init_data omap3_stalker_vdac = {
  350. .constraints = {
  351. .min_uV = 1800000,
  352. .max_uV = 1800000,
  353. .apply_uV = true,
  354. .valid_modes_mask = REGULATOR_MODE_NORMAL
  355. | REGULATOR_MODE_STANDBY,
  356. .valid_ops_mask = REGULATOR_CHANGE_MODE
  357. | REGULATOR_CHANGE_STATUS,
  358. },
  359. .num_consumer_supplies = 1,
  360. .consumer_supplies = &omap3_stalker_vdda_dac_supply,
  361. };
  362. /* VPLL2 for digital video outputs */
  363. static struct regulator_consumer_supply omap3_stalker_vpll2_supplies[] = {
  364. REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
  365. REGULATOR_SUPPLY("vdds_dsi", "omapdss_dsi1"),
  366. };
  367. static struct regulator_init_data omap3_stalker_vpll2 = {
  368. .constraints = {
  369. .name = "VDVI",
  370. .min_uV = 1800000,
  371. .max_uV = 1800000,
  372. .apply_uV = true,
  373. .valid_modes_mask = REGULATOR_MODE_NORMAL
  374. | REGULATOR_MODE_STANDBY,
  375. .valid_ops_mask = REGULATOR_CHANGE_MODE
  376. | REGULATOR_CHANGE_STATUS,
  377. },
  378. .num_consumer_supplies = ARRAY_SIZE(omap3_stalker_vpll2_supplies),
  379. .consumer_supplies = omap3_stalker_vpll2_supplies,
  380. };
  381. static struct twl4030_platform_data omap3stalker_twldata = {
  382. .irq_base = TWL4030_IRQ_BASE,
  383. .irq_end = TWL4030_IRQ_END,
  384. /* platform_data for children goes here */
  385. .keypad = &omap3stalker_kp_data,
  386. .madc = &omap3stalker_madc_data,
  387. .usb = &omap3stalker_usb_data,
  388. .gpio = &omap3stalker_gpio_data,
  389. .codec = &omap3stalker_codec_data,
  390. .vdac = &omap3_stalker_vdac,
  391. .vpll2 = &omap3_stalker_vpll2,
  392. .vmmc1 = &omap3stalker_vmmc1,
  393. .vsim = &omap3stalker_vsim,
  394. };
  395. static struct at24_platform_data fram_info = {
  396. .byte_len = (64 * 1024) / 8,
  397. .page_size = 8192,
  398. .flags = AT24_FLAG_ADDR16 | AT24_FLAG_IRUGO,
  399. };
  400. static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo3[] = {
  401. {
  402. I2C_BOARD_INFO("24c64", 0x50),
  403. .flags = I2C_CLIENT_WAKE,
  404. .platform_data = &fram_info,
  405. },
  406. };
  407. static int __init omap3_stalker_i2c_init(void)
  408. {
  409. omap3_pmic_init("twl4030", &omap3stalker_twldata);
  410. omap_register_i2c_bus(2, 400, NULL, 0);
  411. omap_register_i2c_bus(3, 400, omap3stalker_i2c_boardinfo3,
  412. ARRAY_SIZE(omap3stalker_i2c_boardinfo3));
  413. return 0;
  414. }
  415. #define OMAP3_STALKER_TS_GPIO 175
  416. static struct omap_board_config_kernel omap3_stalker_config[] __initdata = {
  417. };
  418. static void __init omap3_stalker_init_early(void)
  419. {
  420. omap2_init_common_infrastructure();
  421. omap2_init_common_devices(mt46h32m32lf6_sdrc_params, NULL);
  422. }
  423. static void __init omap3_stalker_init_irq(void)
  424. {
  425. omap3_init_irq();
  426. #ifdef CONFIG_OMAP_32K_TIMER
  427. omap2_gp_clockevent_set_gptimer(12);
  428. #endif
  429. }
  430. static struct platform_device *omap3_stalker_devices[] __initdata = {
  431. &keys_gpio,
  432. };
  433. static struct usbhs_omap_board_data usbhs_bdata __initconst = {
  434. .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
  435. .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
  436. .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
  437. .phy_reset = true,
  438. .reset_gpio_port[0] = -EINVAL,
  439. .reset_gpio_port[1] = 21,
  440. .reset_gpio_port[2] = -EINVAL,
  441. };
  442. #ifdef CONFIG_OMAP_MUX
  443. static struct omap_board_mux board_mux[] __initdata = {
  444. OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP |
  445. OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
  446. OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
  447. OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
  448. {.reg_offset = OMAP_MUX_TERMINATOR},
  449. };
  450. #endif
  451. static void __init omap3_stalker_init(void)
  452. {
  453. omap3_mux_init(board_mux, OMAP_PACKAGE_CUS);
  454. omap_board_config = omap3_stalker_config;
  455. omap_board_config_size = ARRAY_SIZE(omap3_stalker_config);
  456. omap3_stalker_i2c_init();
  457. platform_add_devices(omap3_stalker_devices,
  458. ARRAY_SIZE(omap3_stalker_devices));
  459. omap_display_init(&omap3_stalker_dss_data);
  460. omap_serial_init();
  461. usb_musb_init(NULL);
  462. usbhs_init(&usbhs_bdata);
  463. omap_ads7846_init(1, OMAP3_STALKER_TS_GPIO, 310, NULL);
  464. omap_mux_init_gpio(21, OMAP_PIN_OUTPUT);
  465. omap_mux_init_gpio(18, OMAP_PIN_INPUT_PULLUP);
  466. omap3stalker_init_eth();
  467. omap3_stalker_display_init();
  468. /* Ensure SDRC pins are mux'd for self-refresh */
  469. omap_mux_init_signal("sdr_cke0", OMAP_PIN_OUTPUT);
  470. omap_mux_init_signal("sdr_cke1", OMAP_PIN_OUTPUT);
  471. }
  472. MACHINE_START(SBC3530, "OMAP3 STALKER")
  473. /* Maintainer: Jason Lam -lzg@ema-tech.com */
  474. .boot_params = 0x80000100,
  475. .map_io = omap3_map_io,
  476. .init_early = omap3_stalker_init_early,
  477. .init_irq = omap3_stalker_init_irq,
  478. .init_machine = omap3_stalker_init,
  479. .timer = &omap3_secure_timer,
  480. MACHINE_END