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