mioa701.c 21 KB

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  1. /*
  2. * Handles the Mitac Mio A701 Board
  3. *
  4. * Copyright (C) 2008 Robert Jarzmik
  5. *
  6. * This program is free software; you can redistribute it and/or modify
  7. * it under the terms of the GNU General Public License as published by
  8. * the Free Software Foundation; either version 2 of the License, or
  9. * (at your option) any later version.
  10. *
  11. * This program is distributed in the hope that it will be useful,
  12. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14. * GNU General Public License for more details.
  15. *
  16. * You should have received a copy of the GNU General Public License
  17. * along with this program; if not, write to the Free Software
  18. * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  19. *
  20. */
  21. #include <linux/kernel.h>
  22. #include <linux/init.h>
  23. #include <linux/platform_device.h>
  24. #include <linux/sysdev.h>
  25. #include <linux/input.h>
  26. #include <linux/delay.h>
  27. #include <linux/gpio_keys.h>
  28. #include <linux/pwm_backlight.h>
  29. #include <linux/rtc.h>
  30. #include <linux/leds.h>
  31. #include <linux/gpio.h>
  32. #include <linux/interrupt.h>
  33. #include <linux/irq.h>
  34. #include <linux/pda_power.h>
  35. #include <linux/power_supply.h>
  36. #include <linux/wm97xx_batt.h>
  37. #include <linux/mtd/physmap.h>
  38. #include <linux/usb/gpio_vbus.h>
  39. #include <linux/regulator/max1586.h>
  40. #include <asm/mach-types.h>
  41. #include <asm/mach/arch.h>
  42. #include <mach/pxa27x.h>
  43. #include <mach/regs-rtc.h>
  44. #include <mach/pxa27x_keypad.h>
  45. #include <mach/pxafb.h>
  46. #include <mach/mmc.h>
  47. #include <mach/udc.h>
  48. #include <mach/pxa27x-udc.h>
  49. #include <plat/i2c.h>
  50. #include <mach/camera.h>
  51. #include <mach/audio.h>
  52. #include <media/soc_camera.h>
  53. #include <mach/mioa701.h>
  54. #include "generic.h"
  55. #include "devices.h"
  56. static unsigned long mioa701_pin_config[] = {
  57. /* Mio global */
  58. MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW),
  59. MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW),
  60. MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH),
  61. MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH),
  62. MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0),
  63. /* Backlight PWM 0 */
  64. GPIO16_PWM0_OUT,
  65. /* MMC */
  66. GPIO32_MMC_CLK,
  67. GPIO92_MMC_DAT_0,
  68. GPIO109_MMC_DAT_1,
  69. GPIO110_MMC_DAT_2,
  70. GPIO111_MMC_DAT_3,
  71. GPIO112_MMC_CMD,
  72. MIO_CFG_IN(GPIO78_SDIO_RO, AF0),
  73. MIO_CFG_IN(GPIO15_SDIO_INSERT, AF0),
  74. MIO_CFG_OUT(GPIO91_SDIO_EN, AF0, DRIVE_LOW),
  75. /* USB */
  76. MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0),
  77. MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW),
  78. /* LCD */
  79. GPIOxx_LCD_TFT_16BPP,
  80. /* QCI */
  81. GPIO12_CIF_DD_7,
  82. GPIO17_CIF_DD_6,
  83. GPIO50_CIF_DD_3,
  84. GPIO51_CIF_DD_2,
  85. GPIO52_CIF_DD_4,
  86. GPIO53_CIF_MCLK,
  87. GPIO54_CIF_PCLK,
  88. GPIO55_CIF_DD_1,
  89. GPIO81_CIF_DD_0,
  90. GPIO82_CIF_DD_5,
  91. GPIO84_CIF_FV,
  92. GPIO85_CIF_LV,
  93. /* Bluetooth */
  94. MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0),
  95. GPIO44_BTUART_CTS,
  96. GPIO42_BTUART_RXD,
  97. GPIO45_BTUART_RTS,
  98. GPIO43_BTUART_TXD,
  99. MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW),
  100. MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH),
  101. MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH),
  102. /* GPS */
  103. MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW),
  104. MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW),
  105. MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW),
  106. MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW),
  107. MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW),
  108. GPIO46_STUART_RXD,
  109. GPIO47_STUART_TXD,
  110. /* GSM */
  111. MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW),
  112. MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH),
  113. MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH),
  114. MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH),
  115. MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0),
  116. MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH,
  117. GPIO34_FFUART_RXD,
  118. GPIO35_FFUART_CTS,
  119. GPIO36_FFUART_DCD,
  120. GPIO37_FFUART_DSR,
  121. GPIO39_FFUART_TXD,
  122. GPIO40_FFUART_DTR,
  123. GPIO41_FFUART_RTS,
  124. /* Sound */
  125. GPIO28_AC97_BITCLK,
  126. GPIO29_AC97_SDATA_IN_0,
  127. GPIO30_AC97_SDATA_OUT,
  128. GPIO31_AC97_SYNC,
  129. GPIO89_AC97_SYSCLK,
  130. MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0),
  131. /* Leds */
  132. MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH),
  133. MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH),
  134. MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH),
  135. MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH),
  136. MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH),
  137. /* Keyboard */
  138. MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH,
  139. MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0),
  140. MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0),
  141. GPIO100_KP_MKIN_0,
  142. GPIO101_KP_MKIN_1,
  143. GPIO102_KP_MKIN_2,
  144. GPIO103_KP_MKOUT_0,
  145. GPIO104_KP_MKOUT_1,
  146. GPIO105_KP_MKOUT_2,
  147. /* I2C */
  148. GPIO117_I2C_SCL,
  149. GPIO118_I2C_SDA,
  150. /* Unknown */
  151. MFP_CFG_IN(GPIO20, AF0),
  152. MFP_CFG_IN(GPIO21, AF0),
  153. MFP_CFG_IN(GPIO33, AF0),
  154. MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH),
  155. MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH),
  156. MFP_CFG_IN(GPIO96, AF0),
  157. MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH),
  158. };
  159. #define MIO_GPIO_IN(num, _desc) \
  160. { .gpio = (num), .dir = 0, .desc = (_desc) }
  161. #define MIO_GPIO_OUT(num, _init, _desc) \
  162. { .gpio = (num), .dir = 1, .init = (_init), .desc = (_desc) }
  163. struct gpio_ress {
  164. unsigned gpio : 8;
  165. unsigned dir : 1;
  166. unsigned init : 1;
  167. char *desc;
  168. };
  169. static int mio_gpio_request(struct gpio_ress *gpios, int size)
  170. {
  171. int i, rc = 0;
  172. int gpio;
  173. int dir;
  174. for (i = 0; (!rc) && (i < size); i++) {
  175. gpio = gpios[i].gpio;
  176. dir = gpios[i].dir;
  177. rc = gpio_request(gpio, gpios[i].desc);
  178. if (rc) {
  179. printk(KERN_ERR "Error requesting GPIO %d(%s) : %d\n",
  180. gpio, gpios[i].desc, rc);
  181. continue;
  182. }
  183. if (dir)
  184. gpio_direction_output(gpio, gpios[i].init);
  185. else
  186. gpio_direction_input(gpio);
  187. }
  188. while ((rc) && (--i >= 0))
  189. gpio_free(gpios[i].gpio);
  190. return rc;
  191. }
  192. static void mio_gpio_free(struct gpio_ress *gpios, int size)
  193. {
  194. int i;
  195. for (i = 0; i < size; i++)
  196. gpio_free(gpios[i].gpio);
  197. }
  198. /* LCD Screen and Backlight */
  199. static struct platform_pwm_backlight_data mioa701_backlight_data = {
  200. .pwm_id = 0,
  201. .max_brightness = 100,
  202. .dft_brightness = 50,
  203. .pwm_period_ns = 4000 * 1024, /* Fl = 250kHz */
  204. };
  205. /*
  206. * LTM0305A776C LCD panel timings
  207. *
  208. * see:
  209. * - the LTM0305A776C datasheet,
  210. * - and the PXA27x Programmers' manual
  211. */
  212. static struct pxafb_mode_info mioa701_ltm0305a776c = {
  213. .pixclock = 220000, /* CLK=4.545 MHz */
  214. .xres = 240,
  215. .yres = 320,
  216. .bpp = 16,
  217. .hsync_len = 4,
  218. .vsync_len = 2,
  219. .left_margin = 6,
  220. .right_margin = 4,
  221. .upper_margin = 5,
  222. .lower_margin = 3,
  223. };
  224. static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
  225. {
  226. gpio_set_value(GPIO87_LCD_POWER, on);
  227. }
  228. static struct pxafb_mach_info mioa701_pxafb_info = {
  229. .modes = &mioa701_ltm0305a776c,
  230. .num_modes = 1,
  231. .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
  232. .pxafb_lcd_power = mioa701_lcd_power,
  233. };
  234. /*
  235. * Keyboard configuration
  236. */
  237. static unsigned int mioa701_matrix_keys[] = {
  238. KEY(0, 0, KEY_UP),
  239. KEY(0, 1, KEY_RIGHT),
  240. KEY(0, 2, KEY_MEDIA),
  241. KEY(1, 0, KEY_DOWN),
  242. KEY(1, 1, KEY_ENTER),
  243. KEY(1, 2, KEY_CONNECT), /* GPS key */
  244. KEY(2, 0, KEY_LEFT),
  245. KEY(2, 1, KEY_PHONE), /* Phone Green key */
  246. KEY(2, 2, KEY_CAMERA) /* Camera key */
  247. };
  248. static struct pxa27x_keypad_platform_data mioa701_keypad_info = {
  249. .matrix_key_rows = 3,
  250. .matrix_key_cols = 3,
  251. .matrix_key_map = mioa701_matrix_keys,
  252. .matrix_key_map_size = ARRAY_SIZE(mioa701_matrix_keys),
  253. };
  254. /*
  255. * GPIO Key Configuration
  256. */
  257. #define MIO_KEY(key, _gpio, _desc, _wakeup) \
  258. { .code = (key), .gpio = (_gpio), .active_low = 0, \
  259. .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) }
  260. static struct gpio_keys_button mioa701_button_table[] = {
  261. MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1),
  262. MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0),
  263. MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0),
  264. MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0)
  265. };
  266. static struct gpio_keys_platform_data mioa701_gpio_keys_data = {
  267. .buttons = mioa701_button_table,
  268. .nbuttons = ARRAY_SIZE(mioa701_button_table),
  269. };
  270. /*
  271. * Leds and vibrator
  272. */
  273. #define ONE_LED(_gpio, _name) \
  274. { .gpio = (_gpio), .name = (_name), .active_low = true }
  275. static struct gpio_led gpio_leds[] = {
  276. ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"),
  277. ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"),
  278. ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"),
  279. ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"),
  280. ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard")
  281. };
  282. static struct gpio_led_platform_data gpio_led_info = {
  283. .leds = gpio_leds,
  284. .num_leds = ARRAY_SIZE(gpio_leds),
  285. };
  286. /*
  287. * GSM Sagem XS200 chip
  288. *
  289. * GSM handling was purged from kernel. For history, this is the way to go :
  290. * - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1
  291. * GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1
  292. * - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100),
  293. * GPIO24_GSM_MOD_RESET_CMD = 0
  294. * - turn on : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000),
  295. * GPIO88_GSM_nMOD_ON_CMD = 1
  296. * - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000),
  297. * GPIO90_GSM_nMOD_OFF_CMD = 1
  298. */
  299. static int is_gsm_on(void)
  300. {
  301. int is_on;
  302. is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE);
  303. return is_on;
  304. }
  305. irqreturn_t gsm_on_irq(int irq, void *p)
  306. {
  307. printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n",
  308. is_gsm_on() ? "on" : "off");
  309. return IRQ_HANDLED;
  310. }
  311. struct gpio_ress gsm_gpios[] = {
  312. MIO_GPIO_IN(GPIO25_GSM_MOD_ON_STATE, "GSM state"),
  313. MIO_GPIO_IN(GPIO113_GSM_EVENT, "GSM event"),
  314. };
  315. static int __init gsm_init(void)
  316. {
  317. int rc;
  318. rc = mio_gpio_request(ARRAY_AND_SIZE(gsm_gpios));
  319. if (rc)
  320. goto err_gpio;
  321. rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq,
  322. IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
  323. "GSM XS200 Power Irq", NULL);
  324. if (rc)
  325. goto err_irq;
  326. gpio_set_wake(GPIO113_GSM_EVENT, 1);
  327. return 0;
  328. err_irq:
  329. printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n");
  330. mio_gpio_free(ARRAY_AND_SIZE(gsm_gpios));
  331. err_gpio:
  332. printk(KERN_ERR "Mioa701: gsm not available\n");
  333. return rc;
  334. }
  335. static void gsm_exit(void)
  336. {
  337. free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL);
  338. mio_gpio_free(ARRAY_AND_SIZE(gsm_gpios));
  339. }
  340. /*
  341. * Bluetooth BRF6150 chip
  342. *
  343. * BT handling was purged from kernel. For history, this is the way to go :
  344. * - turn on : GPIO83_BT_ON = 1
  345. * - turn off : GPIO83_BT_ON = 0
  346. */
  347. /*
  348. * GPS Sirf Star III chip
  349. *
  350. * GPS handling was purged from kernel. For history, this is the way to go :
  351. * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
  352. * GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0
  353. * - turn on : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1
  354. * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
  355. */
  356. /*
  357. * USB UDC
  358. */
  359. static int is_usb_connected(void)
  360. {
  361. return !gpio_get_value(GPIO13_nUSB_DETECT);
  362. }
  363. static struct pxa2xx_udc_mach_info mioa701_udc_info = {
  364. .udc_is_connected = is_usb_connected,
  365. .gpio_pullup = GPIO22_USB_ENABLE,
  366. };
  367. struct gpio_vbus_mach_info gpio_vbus_data = {
  368. .gpio_vbus = GPIO13_nUSB_DETECT,
  369. .gpio_vbus_inverted = 1,
  370. .gpio_pullup = -1,
  371. };
  372. /*
  373. * SDIO/MMC Card controller
  374. */
  375. /**
  376. * The card detect interrupt isn't debounced so we delay it by 250ms
  377. * to give the card a chance to fully insert/eject.
  378. */
  379. static struct pxamci_platform_data mioa701_mci_info = {
  380. .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
  381. .gpio_card_detect = GPIO15_SDIO_INSERT,
  382. .gpio_card_ro = GPIO78_SDIO_RO,
  383. .gpio_power = GPIO91_SDIO_EN,
  384. };
  385. /* FlashRAM */
  386. static struct resource strataflash_resource = {
  387. .start = PXA_CS0_PHYS,
  388. .end = PXA_CS0_PHYS + SZ_64M - 1,
  389. .flags = IORESOURCE_MEM,
  390. };
  391. static struct physmap_flash_data strataflash_data = {
  392. .width = 2,
  393. /* .set_vpp = mioa701_set_vpp, */
  394. };
  395. static struct platform_device strataflash = {
  396. .name = "physmap-flash",
  397. .id = -1,
  398. .resource = &strataflash_resource,
  399. .num_resources = 1,
  400. .dev = {
  401. .platform_data = &strataflash_data,
  402. },
  403. };
  404. /*
  405. * Suspend/Resume bootstrap management
  406. *
  407. * MIO A701 reboot sequence is highly ROM dependant. From the one dissassembled,
  408. * this sequence is as follows :
  409. * - disables interrupts
  410. * - initialize SDRAM (self refresh RAM into active RAM)
  411. * - initialize GPIOs (depends on value at 0xa020b020)
  412. * - initialize coprossessors
  413. * - if edge detect on PWR_SCL(GPIO3), then proceed to cold start
  414. * - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start
  415. * - else do a resume, ie. jump to addr 0xa0100000
  416. */
  417. #define RESUME_ENABLE_ADDR 0xa020b000
  418. #define RESUME_ENABLE_VAL 0x0f0f0f0f
  419. #define RESUME_BT_ADDR 0xa020b020
  420. #define RESUME_UNKNOWN_ADDR 0xa020b024
  421. #define RESUME_VECTOR_ADDR 0xa0100000
  422. #define BOOTSTRAP_WORDS mioa701_bootstrap_lg/4
  423. static u32 *save_buffer;
  424. static void install_bootstrap(void)
  425. {
  426. int i;
  427. u32 *rom_bootstrap = phys_to_virt(RESUME_VECTOR_ADDR);
  428. u32 *src = &mioa701_bootstrap;
  429. for (i = 0; i < BOOTSTRAP_WORDS; i++)
  430. rom_bootstrap[i] = src[i];
  431. }
  432. static int mioa701_sys_suspend(struct sys_device *sysdev, pm_message_t state)
  433. {
  434. int i = 0, is_bt_on;
  435. u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
  436. u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
  437. u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
  438. u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
  439. /* Devices prepare suspend */
  440. is_bt_on = !!gpio_get_value(GPIO83_BT_ON);
  441. pxa2xx_mfp_set_lpm(GPIO83_BT_ON,
  442. is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW);
  443. for (i = 0; i < BOOTSTRAP_WORDS; i++)
  444. save_buffer[i] = mem_resume_vector[i];
  445. save_buffer[i++] = *mem_resume_enabler;
  446. save_buffer[i++] = *mem_resume_bt;
  447. save_buffer[i++] = *mem_resume_unknown;
  448. *mem_resume_enabler = RESUME_ENABLE_VAL;
  449. *mem_resume_bt = is_bt_on;
  450. install_bootstrap();
  451. return 0;
  452. }
  453. static int mioa701_sys_resume(struct sys_device *sysdev)
  454. {
  455. int i = 0;
  456. u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
  457. u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
  458. u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
  459. u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
  460. for (i = 0; i < BOOTSTRAP_WORDS; i++)
  461. mem_resume_vector[i] = save_buffer[i];
  462. *mem_resume_enabler = save_buffer[i++];
  463. *mem_resume_bt = save_buffer[i++];
  464. *mem_resume_unknown = save_buffer[i++];
  465. return 0;
  466. }
  467. static struct sysdev_class mioa701_sysclass = {
  468. .name = "mioa701",
  469. };
  470. static struct sys_device sysdev_bootstrap = {
  471. .cls = &mioa701_sysclass,
  472. };
  473. static struct sysdev_driver driver_bootstrap = {
  474. .suspend = &mioa701_sys_suspend,
  475. .resume = &mioa701_sys_resume,
  476. };
  477. static int __init bootstrap_init(void)
  478. {
  479. int rc;
  480. int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3);
  481. rc = sysdev_class_register(&mioa701_sysclass);
  482. if (rc) {
  483. printk(KERN_ERR "Failed registering mioa701 sys class\n");
  484. return -ENODEV;
  485. }
  486. rc = sysdev_register(&sysdev_bootstrap);
  487. if (rc) {
  488. printk(KERN_ERR "Failed registering mioa701 sys device\n");
  489. return -ENODEV;
  490. }
  491. rc = sysdev_driver_register(&mioa701_sysclass, &driver_bootstrap);
  492. if (rc) {
  493. printk(KERN_ERR "Failed registering PMU sys driver\n");
  494. return -ENODEV;
  495. }
  496. save_buffer = kmalloc(save_size, GFP_KERNEL);
  497. if (!save_buffer)
  498. return -ENOMEM;
  499. printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n",
  500. save_size);
  501. return 0;
  502. }
  503. static void bootstrap_exit(void)
  504. {
  505. kfree(save_buffer);
  506. sysdev_driver_unregister(&mioa701_sysclass, &driver_bootstrap);
  507. sysdev_unregister(&sysdev_bootstrap);
  508. sysdev_class_unregister(&mioa701_sysclass);
  509. printk(KERN_CRIT "Unregistering mioa701 suspend will hang next"
  510. "resume !!!\n");
  511. }
  512. /*
  513. * Power Supply
  514. */
  515. static char *supplicants[] = {
  516. "mioa701_battery"
  517. };
  518. static int is_ac_connected(void)
  519. {
  520. return gpio_get_value(GPIO96_AC_DETECT);
  521. }
  522. static void mioa701_set_charge(int flags)
  523. {
  524. gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB));
  525. }
  526. static struct pda_power_pdata power_pdata = {
  527. .is_ac_online = is_ac_connected,
  528. .is_usb_online = is_usb_connected,
  529. .set_charge = mioa701_set_charge,
  530. .supplied_to = supplicants,
  531. .num_supplicants = ARRAY_SIZE(supplicants),
  532. };
  533. static struct resource power_resources[] = {
  534. [0] = {
  535. .name = "ac",
  536. .start = gpio_to_irq(GPIO96_AC_DETECT),
  537. .end = gpio_to_irq(GPIO96_AC_DETECT),
  538. .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
  539. IORESOURCE_IRQ_LOWEDGE,
  540. },
  541. [1] = {
  542. .name = "usb",
  543. .start = gpio_to_irq(GPIO13_nUSB_DETECT),
  544. .end = gpio_to_irq(GPIO13_nUSB_DETECT),
  545. .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
  546. IORESOURCE_IRQ_LOWEDGE,
  547. },
  548. };
  549. static struct platform_device power_dev = {
  550. .name = "pda-power",
  551. .id = -1,
  552. .resource = power_resources,
  553. .num_resources = ARRAY_SIZE(power_resources),
  554. .dev = {
  555. .platform_data = &power_pdata,
  556. },
  557. };
  558. static struct wm97xx_batt_info mioa701_battery_data = {
  559. .batt_aux = WM97XX_AUX_ID1,
  560. .temp_aux = -1,
  561. .charge_gpio = -1,
  562. .min_voltage = 0xc00,
  563. .max_voltage = 0xfc0,
  564. .batt_tech = POWER_SUPPLY_TECHNOLOGY_LION,
  565. .batt_div = 1,
  566. .batt_mult = 1,
  567. .batt_name = "mioa701_battery",
  568. };
  569. /*
  570. * Voltage regulation
  571. */
  572. static struct regulator_consumer_supply max1586_consumers[] = {
  573. {
  574. .supply = "vcc_core",
  575. }
  576. };
  577. static struct regulator_init_data max1586_v3_info = {
  578. .constraints = {
  579. .name = "vcc_core range",
  580. .min_uV = 1000000,
  581. .max_uV = 1705000,
  582. .always_on = 1,
  583. .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
  584. },
  585. .num_consumer_supplies = ARRAY_SIZE(max1586_consumers),
  586. .consumer_supplies = max1586_consumers,
  587. };
  588. static struct max1586_subdev_data max1586_subdevs[] = {
  589. { .name = "vcc_core", .id = MAX1586_V3,
  590. .platform_data = &max1586_v3_info },
  591. };
  592. static struct max1586_platform_data max1586_info = {
  593. .subdevs = max1586_subdevs,
  594. .num_subdevs = ARRAY_SIZE(max1586_subdevs),
  595. .v3_gain = MAX1586_GAIN_NO_R24, /* 700..1475 mV */
  596. };
  597. /*
  598. * Camera interface
  599. */
  600. struct pxacamera_platform_data mioa701_pxacamera_platform_data = {
  601. .flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
  602. PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
  603. .mclk_10khz = 5000,
  604. };
  605. static struct i2c_board_info __initdata mioa701_pi2c_devices[] = {
  606. {
  607. I2C_BOARD_INFO("max1586", 0x14),
  608. .platform_data = &max1586_info,
  609. },
  610. };
  611. /* Board I2C devices. */
  612. static struct i2c_board_info __initdata mioa701_i2c_devices[] = {
  613. {
  614. I2C_BOARD_INFO("mt9m111", 0x5d),
  615. },
  616. };
  617. static struct soc_camera_link iclink = {
  618. .bus_id = 0, /* Match id in pxa27x_device_camera in device.c */
  619. .board_info = &mioa701_i2c_devices[0],
  620. .i2c_adapter_id = 0,
  621. .module_name = "mt9m111",
  622. };
  623. struct i2c_pxa_platform_data i2c_pdata = {
  624. .fast_mode = 1,
  625. };
  626. static pxa2xx_audio_ops_t mioa701_ac97_info = {
  627. .reset_gpio = 95,
  628. };
  629. /*
  630. * Mio global
  631. */
  632. /* Devices */
  633. #define MIO_PARENT_DEV(var, strname, tparent, pdata) \
  634. static struct platform_device var = { \
  635. .name = strname, \
  636. .id = -1, \
  637. .dev = { \
  638. .platform_data = pdata, \
  639. .parent = tparent, \
  640. }, \
  641. };
  642. #define MIO_SIMPLE_DEV(var, strname, pdata) \
  643. MIO_PARENT_DEV(var, strname, NULL, pdata)
  644. MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys", &mioa701_gpio_keys_data)
  645. MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight", &pxa27x_device_pwm0.dev,
  646. &mioa701_backlight_data);
  647. MIO_SIMPLE_DEV(mioa701_led, "leds-gpio", &gpio_led_info)
  648. MIO_SIMPLE_DEV(pxa2xx_pcm, "pxa2xx-pcm", NULL)
  649. MIO_SIMPLE_DEV(mioa701_sound, "mioa701-wm9713", NULL)
  650. MIO_SIMPLE_DEV(mioa701_board, "mioa701-board", NULL)
  651. MIO_SIMPLE_DEV(gpio_vbus, "gpio-vbus", &gpio_vbus_data);
  652. MIO_SIMPLE_DEV(mioa701_camera, "soc-camera-pdrv",&iclink);
  653. static struct platform_device *devices[] __initdata = {
  654. &mioa701_gpio_keys,
  655. &mioa701_backlight,
  656. &mioa701_led,
  657. &pxa2xx_pcm,
  658. &mioa701_sound,
  659. &power_dev,
  660. &strataflash,
  661. &gpio_vbus,
  662. &mioa701_camera,
  663. &mioa701_board,
  664. };
  665. static void mioa701_machine_exit(void);
  666. static void mioa701_poweroff(void)
  667. {
  668. mioa701_machine_exit();
  669. arm_machine_restart('s', NULL);
  670. }
  671. static void mioa701_restart(char c, const char *cmd)
  672. {
  673. mioa701_machine_exit();
  674. arm_machine_restart('s', cmd);
  675. }
  676. static struct gpio_ress global_gpios[] = {
  677. MIO_GPIO_OUT(GPIO9_CHARGE_EN, 1, "Charger enable"),
  678. MIO_GPIO_OUT(GPIO18_POWEROFF, 0, "Power Off"),
  679. MIO_GPIO_OUT(GPIO87_LCD_POWER, 0, "LCD Power"),
  680. };
  681. static void __init mioa701_machine_init(void)
  682. {
  683. PSLR = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */
  684. PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE;
  685. RTTR = 32768 - 1; /* Reset crazy WinCE value */
  686. UP2OCR = UP2OCR_HXOE;
  687. pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
  688. pxa_set_ffuart_info(NULL);
  689. pxa_set_btuart_info(NULL);
  690. pxa_set_stuart_info(NULL);
  691. mio_gpio_request(ARRAY_AND_SIZE(global_gpios));
  692. bootstrap_init();
  693. set_pxa_fb_info(&mioa701_pxafb_info);
  694. mioa701_mci_info.detect_delay = msecs_to_jiffies(250);
  695. pxa_set_mci_info(&mioa701_mci_info);
  696. pxa_set_keypad_info(&mioa701_keypad_info);
  697. wm97xx_bat_set_pdata(&mioa701_battery_data);
  698. pxa_set_udc_info(&mioa701_udc_info);
  699. pxa_set_ac97_info(&mioa701_ac97_info);
  700. pm_power_off = mioa701_poweroff;
  701. arm_pm_restart = mioa701_restart;
  702. platform_add_devices(devices, ARRAY_SIZE(devices));
  703. gsm_init();
  704. i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices));
  705. pxa_set_i2c_info(&i2c_pdata);
  706. pxa27x_set_i2c_power_info(NULL);
  707. pxa_set_camera_info(&mioa701_pxacamera_platform_data);
  708. }
  709. static void mioa701_machine_exit(void)
  710. {
  711. bootstrap_exit();
  712. gsm_exit();
  713. }
  714. MACHINE_START(MIOA701, "MIO A701")
  715. .phys_io = 0x40000000,
  716. .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
  717. .boot_params = 0xa0000100,
  718. .map_io = &pxa_map_io,
  719. .init_irq = &pxa27x_init_irq,
  720. .init_machine = mioa701_machine_init,
  721. .timer = &pxa_timer,
  722. MACHINE_END