mioa701.c 19 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760
  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/syscore_ops.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.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 <linux/i2c/pxa-i2c.h>
  42. #include <asm/mach-types.h>
  43. #include <asm/mach/arch.h>
  44. #include <mach/pxa27x.h>
  45. #include <mach/regs-rtc.h>
  46. #include <plat/pxa27x_keypad.h>
  47. #include <mach/pxafb.h>
  48. #include <mach/mmc.h>
  49. #include <mach/udc.h>
  50. #include <mach/pxa27x-udc.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. /* LCD Screen and Backlight */
  161. static struct platform_pwm_backlight_data mioa701_backlight_data = {
  162. .pwm_id = 0,
  163. .max_brightness = 100,
  164. .dft_brightness = 50,
  165. .pwm_period_ns = 4000 * 1024, /* Fl = 250kHz */
  166. };
  167. /*
  168. * LTM0305A776C LCD panel timings
  169. *
  170. * see:
  171. * - the LTM0305A776C datasheet,
  172. * - and the PXA27x Programmers' manual
  173. */
  174. static struct pxafb_mode_info mioa701_ltm0305a776c = {
  175. .pixclock = 220000, /* CLK=4.545 MHz */
  176. .xres = 240,
  177. .yres = 320,
  178. .bpp = 16,
  179. .hsync_len = 4,
  180. .vsync_len = 2,
  181. .left_margin = 6,
  182. .right_margin = 4,
  183. .upper_margin = 5,
  184. .lower_margin = 3,
  185. };
  186. static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
  187. {
  188. gpio_set_value(GPIO87_LCD_POWER, on);
  189. }
  190. static struct pxafb_mach_info mioa701_pxafb_info = {
  191. .modes = &mioa701_ltm0305a776c,
  192. .num_modes = 1,
  193. .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
  194. .pxafb_lcd_power = mioa701_lcd_power,
  195. };
  196. /*
  197. * Keyboard configuration
  198. */
  199. static unsigned int mioa701_matrix_keys[] = {
  200. KEY(0, 0, KEY_UP),
  201. KEY(0, 1, KEY_RIGHT),
  202. KEY(0, 2, KEY_MEDIA),
  203. KEY(1, 0, KEY_DOWN),
  204. KEY(1, 1, KEY_ENTER),
  205. KEY(1, 2, KEY_CONNECT), /* GPS key */
  206. KEY(2, 0, KEY_LEFT),
  207. KEY(2, 1, KEY_PHONE), /* Phone Green key */
  208. KEY(2, 2, KEY_CAMERA) /* Camera key */
  209. };
  210. static struct pxa27x_keypad_platform_data mioa701_keypad_info = {
  211. .matrix_key_rows = 3,
  212. .matrix_key_cols = 3,
  213. .matrix_key_map = mioa701_matrix_keys,
  214. .matrix_key_map_size = ARRAY_SIZE(mioa701_matrix_keys),
  215. };
  216. /*
  217. * GPIO Key Configuration
  218. */
  219. #define MIO_KEY(key, _gpio, _desc, _wakeup) \
  220. { .code = (key), .gpio = (_gpio), .active_low = 0, \
  221. .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) }
  222. static struct gpio_keys_button mioa701_button_table[] = {
  223. MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1),
  224. MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0),
  225. MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0),
  226. MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0)
  227. };
  228. static struct gpio_keys_platform_data mioa701_gpio_keys_data = {
  229. .buttons = mioa701_button_table,
  230. .nbuttons = ARRAY_SIZE(mioa701_button_table),
  231. };
  232. /*
  233. * Leds and vibrator
  234. */
  235. #define ONE_LED(_gpio, _name) \
  236. { .gpio = (_gpio), .name = (_name), .active_low = true }
  237. static struct gpio_led gpio_leds[] = {
  238. ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"),
  239. ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"),
  240. ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"),
  241. ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"),
  242. ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard")
  243. };
  244. static struct gpio_led_platform_data gpio_led_info = {
  245. .leds = gpio_leds,
  246. .num_leds = ARRAY_SIZE(gpio_leds),
  247. };
  248. /*
  249. * GSM Sagem XS200 chip
  250. *
  251. * GSM handling was purged from kernel. For history, this is the way to go :
  252. * - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1
  253. * GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1
  254. * - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100),
  255. * GPIO24_GSM_MOD_RESET_CMD = 0
  256. * - turn on : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000),
  257. * GPIO88_GSM_nMOD_ON_CMD = 1
  258. * - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000),
  259. * GPIO90_GSM_nMOD_OFF_CMD = 1
  260. */
  261. static int is_gsm_on(void)
  262. {
  263. int is_on;
  264. is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE);
  265. return is_on;
  266. }
  267. irqreturn_t gsm_on_irq(int irq, void *p)
  268. {
  269. printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n",
  270. is_gsm_on() ? "on" : "off");
  271. return IRQ_HANDLED;
  272. }
  273. static struct gpio gsm_gpios[] = {
  274. { GPIO25_GSM_MOD_ON_STATE, GPIOF_IN, "GSM state" },
  275. { GPIO113_GSM_EVENT, GPIOF_IN, "GSM event" },
  276. };
  277. static int __init gsm_init(void)
  278. {
  279. int rc;
  280. rc = gpio_request_array(ARRAY_AND_SIZE(gsm_gpios));
  281. if (rc)
  282. goto err_gpio;
  283. rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq,
  284. IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
  285. "GSM XS200 Power Irq", NULL);
  286. if (rc)
  287. goto err_irq;
  288. gpio_set_wake(GPIO113_GSM_EVENT, 1);
  289. return 0;
  290. err_irq:
  291. printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n");
  292. gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
  293. err_gpio:
  294. printk(KERN_ERR "Mioa701: gsm not available\n");
  295. return rc;
  296. }
  297. static void gsm_exit(void)
  298. {
  299. free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL);
  300. gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
  301. }
  302. /*
  303. * Bluetooth BRF6150 chip
  304. *
  305. * BT handling was purged from kernel. For history, this is the way to go :
  306. * - turn on : GPIO83_BT_ON = 1
  307. * - turn off : GPIO83_BT_ON = 0
  308. */
  309. /*
  310. * GPS Sirf Star III chip
  311. *
  312. * GPS handling was purged from kernel. For history, this is the way to go :
  313. * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
  314. * GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0
  315. * - turn on : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1
  316. * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
  317. */
  318. /*
  319. * USB UDC
  320. */
  321. static int is_usb_connected(void)
  322. {
  323. return !gpio_get_value(GPIO13_nUSB_DETECT);
  324. }
  325. static struct pxa2xx_udc_mach_info mioa701_udc_info = {
  326. .udc_is_connected = is_usb_connected,
  327. .gpio_pullup = GPIO22_USB_ENABLE,
  328. };
  329. struct gpio_vbus_mach_info gpio_vbus_data = {
  330. .gpio_vbus = GPIO13_nUSB_DETECT,
  331. .gpio_vbus_inverted = 1,
  332. .gpio_pullup = -1,
  333. };
  334. /*
  335. * SDIO/MMC Card controller
  336. */
  337. /**
  338. * The card detect interrupt isn't debounced so we delay it by 250ms
  339. * to give the card a chance to fully insert/eject.
  340. */
  341. static struct pxamci_platform_data mioa701_mci_info = {
  342. .detect_delay_ms = 250,
  343. .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
  344. .gpio_card_detect = GPIO15_SDIO_INSERT,
  345. .gpio_card_ro = GPIO78_SDIO_RO,
  346. .gpio_power = GPIO91_SDIO_EN,
  347. };
  348. /* FlashRAM */
  349. static struct resource strataflash_resource = {
  350. .start = PXA_CS0_PHYS,
  351. .end = PXA_CS0_PHYS + SZ_64M - 1,
  352. .flags = IORESOURCE_MEM,
  353. };
  354. static struct physmap_flash_data strataflash_data = {
  355. .width = 2,
  356. /* .set_vpp = mioa701_set_vpp, */
  357. };
  358. static struct platform_device strataflash = {
  359. .name = "physmap-flash",
  360. .id = -1,
  361. .resource = &strataflash_resource,
  362. .num_resources = 1,
  363. .dev = {
  364. .platform_data = &strataflash_data,
  365. },
  366. };
  367. /*
  368. * Suspend/Resume bootstrap management
  369. *
  370. * MIO A701 reboot sequence is highly ROM dependent. From the one dissassembled,
  371. * this sequence is as follows :
  372. * - disables interrupts
  373. * - initialize SDRAM (self refresh RAM into active RAM)
  374. * - initialize GPIOs (depends on value at 0xa020b020)
  375. * - initialize coprossessors
  376. * - if edge detect on PWR_SCL(GPIO3), then proceed to cold start
  377. * - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start
  378. * - else do a resume, ie. jump to addr 0xa0100000
  379. */
  380. #define RESUME_ENABLE_ADDR 0xa020b000
  381. #define RESUME_ENABLE_VAL 0x0f0f0f0f
  382. #define RESUME_BT_ADDR 0xa020b020
  383. #define RESUME_UNKNOWN_ADDR 0xa020b024
  384. #define RESUME_VECTOR_ADDR 0xa0100000
  385. #define BOOTSTRAP_WORDS mioa701_bootstrap_lg/4
  386. static u32 *save_buffer;
  387. static void install_bootstrap(void)
  388. {
  389. int i;
  390. u32 *rom_bootstrap = phys_to_virt(RESUME_VECTOR_ADDR);
  391. u32 *src = &mioa701_bootstrap;
  392. for (i = 0; i < BOOTSTRAP_WORDS; i++)
  393. rom_bootstrap[i] = src[i];
  394. }
  395. static int mioa701_sys_suspend(void)
  396. {
  397. int i = 0, is_bt_on;
  398. u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
  399. u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
  400. u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
  401. u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
  402. /* Devices prepare suspend */
  403. is_bt_on = !!gpio_get_value(GPIO83_BT_ON);
  404. pxa2xx_mfp_set_lpm(GPIO83_BT_ON,
  405. is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW);
  406. for (i = 0; i < BOOTSTRAP_WORDS; i++)
  407. save_buffer[i] = mem_resume_vector[i];
  408. save_buffer[i++] = *mem_resume_enabler;
  409. save_buffer[i++] = *mem_resume_bt;
  410. save_buffer[i++] = *mem_resume_unknown;
  411. *mem_resume_enabler = RESUME_ENABLE_VAL;
  412. *mem_resume_bt = is_bt_on;
  413. install_bootstrap();
  414. return 0;
  415. }
  416. static void mioa701_sys_resume(void)
  417. {
  418. int i = 0;
  419. u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
  420. u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
  421. u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
  422. u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
  423. for (i = 0; i < BOOTSTRAP_WORDS; i++)
  424. mem_resume_vector[i] = save_buffer[i];
  425. *mem_resume_enabler = save_buffer[i++];
  426. *mem_resume_bt = save_buffer[i++];
  427. *mem_resume_unknown = save_buffer[i++];
  428. }
  429. static struct syscore_ops mioa701_syscore_ops = {
  430. .suspend = mioa701_sys_suspend,
  431. .resume = mioa701_sys_resume,
  432. };
  433. static int __init bootstrap_init(void)
  434. {
  435. int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3);
  436. register_syscore_ops(&mioa701_syscore_ops);
  437. save_buffer = kmalloc(save_size, GFP_KERNEL);
  438. if (!save_buffer)
  439. return -ENOMEM;
  440. printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n",
  441. save_size);
  442. return 0;
  443. }
  444. static void bootstrap_exit(void)
  445. {
  446. kfree(save_buffer);
  447. unregister_syscore_ops(&mioa701_syscore_ops);
  448. printk(KERN_CRIT "Unregistering mioa701 suspend will hang next"
  449. "resume !!!\n");
  450. }
  451. /*
  452. * Power Supply
  453. */
  454. static char *supplicants[] = {
  455. "mioa701_battery"
  456. };
  457. static int is_ac_connected(void)
  458. {
  459. return gpio_get_value(GPIO96_AC_DETECT);
  460. }
  461. static void mioa701_set_charge(int flags)
  462. {
  463. gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB));
  464. }
  465. static struct pda_power_pdata power_pdata = {
  466. .is_ac_online = is_ac_connected,
  467. .is_usb_online = is_usb_connected,
  468. .set_charge = mioa701_set_charge,
  469. .supplied_to = supplicants,
  470. .num_supplicants = ARRAY_SIZE(supplicants),
  471. };
  472. static struct resource power_resources[] = {
  473. [0] = {
  474. .name = "ac",
  475. .start = gpio_to_irq(GPIO96_AC_DETECT),
  476. .end = gpio_to_irq(GPIO96_AC_DETECT),
  477. .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
  478. IORESOURCE_IRQ_LOWEDGE,
  479. },
  480. [1] = {
  481. .name = "usb",
  482. .start = gpio_to_irq(GPIO13_nUSB_DETECT),
  483. .end = gpio_to_irq(GPIO13_nUSB_DETECT),
  484. .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
  485. IORESOURCE_IRQ_LOWEDGE,
  486. },
  487. };
  488. static struct platform_device power_dev = {
  489. .name = "pda-power",
  490. .id = -1,
  491. .resource = power_resources,
  492. .num_resources = ARRAY_SIZE(power_resources),
  493. .dev = {
  494. .platform_data = &power_pdata,
  495. },
  496. };
  497. static struct wm97xx_batt_pdata mioa701_battery_data = {
  498. .batt_aux = WM97XX_AUX_ID1,
  499. .temp_aux = -1,
  500. .charge_gpio = -1,
  501. .min_voltage = 0xc00,
  502. .max_voltage = 0xfc0,
  503. .batt_tech = POWER_SUPPLY_TECHNOLOGY_LION,
  504. .batt_div = 1,
  505. .batt_mult = 1,
  506. .batt_name = "mioa701_battery",
  507. };
  508. static struct wm97xx_pdata mioa701_wm97xx_pdata = {
  509. .batt_pdata = &mioa701_battery_data,
  510. };
  511. /*
  512. * Voltage regulation
  513. */
  514. static struct regulator_consumer_supply max1586_consumers[] = {
  515. {
  516. .supply = "vcc_core",
  517. }
  518. };
  519. static struct regulator_init_data max1586_v3_info = {
  520. .constraints = {
  521. .name = "vcc_core range",
  522. .min_uV = 1000000,
  523. .max_uV = 1705000,
  524. .always_on = 1,
  525. .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
  526. },
  527. .num_consumer_supplies = ARRAY_SIZE(max1586_consumers),
  528. .consumer_supplies = max1586_consumers,
  529. };
  530. static struct max1586_subdev_data max1586_subdevs[] = {
  531. { .name = "vcc_core", .id = MAX1586_V3,
  532. .platform_data = &max1586_v3_info },
  533. };
  534. static struct max1586_platform_data max1586_info = {
  535. .subdevs = max1586_subdevs,
  536. .num_subdevs = ARRAY_SIZE(max1586_subdevs),
  537. .v3_gain = MAX1586_GAIN_NO_R24, /* 700..1475 mV */
  538. };
  539. /*
  540. * Camera interface
  541. */
  542. struct pxacamera_platform_data mioa701_pxacamera_platform_data = {
  543. .flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
  544. PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
  545. .mclk_10khz = 5000,
  546. };
  547. static struct i2c_board_info __initdata mioa701_pi2c_devices[] = {
  548. {
  549. I2C_BOARD_INFO("max1586", 0x14),
  550. .platform_data = &max1586_info,
  551. },
  552. };
  553. /* Board I2C devices. */
  554. static struct i2c_board_info mioa701_i2c_devices[] = {
  555. {
  556. I2C_BOARD_INFO("mt9m111", 0x5d),
  557. },
  558. };
  559. static struct soc_camera_link iclink = {
  560. .bus_id = 0, /* Match id in pxa27x_device_camera in device.c */
  561. .board_info = &mioa701_i2c_devices[0],
  562. .i2c_adapter_id = 0,
  563. };
  564. struct i2c_pxa_platform_data i2c_pdata = {
  565. .fast_mode = 1,
  566. };
  567. static pxa2xx_audio_ops_t mioa701_ac97_info = {
  568. .reset_gpio = 95,
  569. .codec_pdata = { &mioa701_wm97xx_pdata, },
  570. };
  571. /*
  572. * Mio global
  573. */
  574. /* Devices */
  575. #define MIO_PARENT_DEV(var, strname, tparent, pdata) \
  576. static struct platform_device var = { \
  577. .name = strname, \
  578. .id = -1, \
  579. .dev = { \
  580. .platform_data = pdata, \
  581. .parent = tparent, \
  582. }, \
  583. };
  584. #define MIO_SIMPLE_DEV(var, strname, pdata) \
  585. MIO_PARENT_DEV(var, strname, NULL, pdata)
  586. MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys", &mioa701_gpio_keys_data)
  587. MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight", &pxa27x_device_pwm0.dev,
  588. &mioa701_backlight_data);
  589. MIO_SIMPLE_DEV(mioa701_led, "leds-gpio", &gpio_led_info)
  590. MIO_SIMPLE_DEV(pxa2xx_pcm, "pxa2xx-pcm", NULL)
  591. MIO_SIMPLE_DEV(mioa701_sound, "mioa701-wm9713", NULL)
  592. MIO_SIMPLE_DEV(mioa701_board, "mioa701-board", NULL)
  593. MIO_SIMPLE_DEV(gpio_vbus, "gpio-vbus", &gpio_vbus_data);
  594. MIO_SIMPLE_DEV(mioa701_camera, "soc-camera-pdrv",&iclink);
  595. static struct platform_device *devices[] __initdata = {
  596. &mioa701_gpio_keys,
  597. &mioa701_backlight,
  598. &mioa701_led,
  599. &pxa2xx_pcm,
  600. &mioa701_sound,
  601. &power_dev,
  602. &strataflash,
  603. &gpio_vbus,
  604. &mioa701_camera,
  605. &mioa701_board,
  606. };
  607. static void mioa701_machine_exit(void);
  608. static void mioa701_poweroff(void)
  609. {
  610. mioa701_machine_exit();
  611. arm_machine_restart('s', NULL);
  612. }
  613. static void mioa701_restart(char c, const char *cmd)
  614. {
  615. mioa701_machine_exit();
  616. arm_machine_restart('s', cmd);
  617. }
  618. static struct gpio global_gpios[] = {
  619. { GPIO9_CHARGE_EN, GPIOF_OUT_INIT_HIGH, "Charger enable" },
  620. { GPIO18_POWEROFF, GPIOF_OUT_INIT_LOW, "Power Off" },
  621. { GPIO87_LCD_POWER, GPIOF_OUT_INIT_LOW, "LCD Power" },
  622. };
  623. static void __init mioa701_machine_init(void)
  624. {
  625. int rc;
  626. PSLR = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */
  627. PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE;
  628. RTTR = 32768 - 1; /* Reset crazy WinCE value */
  629. UP2OCR = UP2OCR_HXOE;
  630. pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
  631. pxa_set_ffuart_info(NULL);
  632. pxa_set_btuart_info(NULL);
  633. pxa_set_stuart_info(NULL);
  634. rc = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
  635. if (rc)
  636. pr_err("MioA701: Failed to request GPIOs: %d", rc);
  637. bootstrap_init();
  638. pxa_set_fb_info(NULL, &mioa701_pxafb_info);
  639. pxa_set_mci_info(&mioa701_mci_info);
  640. pxa_set_keypad_info(&mioa701_keypad_info);
  641. pxa_set_udc_info(&mioa701_udc_info);
  642. pxa_set_ac97_info(&mioa701_ac97_info);
  643. pm_power_off = mioa701_poweroff;
  644. arm_pm_restart = mioa701_restart;
  645. platform_add_devices(devices, ARRAY_SIZE(devices));
  646. gsm_init();
  647. i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices));
  648. pxa_set_i2c_info(&i2c_pdata);
  649. pxa27x_set_i2c_power_info(NULL);
  650. pxa_set_camera_info(&mioa701_pxacamera_platform_data);
  651. }
  652. static void mioa701_machine_exit(void)
  653. {
  654. bootstrap_exit();
  655. gsm_exit();
  656. }
  657. MACHINE_START(MIOA701, "MIO A701")
  658. .boot_params = 0xa0000100,
  659. .map_io = &pxa27x_map_io,
  660. .init_irq = &pxa27x_init_irq,
  661. .handle_irq = &pxa27x_handle_irq,
  662. .init_machine = mioa701_machine_init,
  663. .timer = &pxa_timer,
  664. MACHINE_END