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