mioa701.c 20 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/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 <mach/smemc.h>
  54. #include <media/soc_camera.h>
  55. #include <mach/mioa701.h>
  56. #include "generic.h"
  57. #include "devices.h"
  58. static unsigned long mioa701_pin_config[] = {
  59. /* Mio global */
  60. MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW),
  61. MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW),
  62. MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH),
  63. MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH),
  64. MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0),
  65. /* Backlight PWM 0 */
  66. GPIO16_PWM0_OUT,
  67. /* MMC */
  68. GPIO32_MMC_CLK,
  69. GPIO92_MMC_DAT_0,
  70. GPIO109_MMC_DAT_1,
  71. GPIO110_MMC_DAT_2,
  72. GPIO111_MMC_DAT_3,
  73. GPIO112_MMC_CMD,
  74. MIO_CFG_IN(GPIO78_SDIO_RO, AF0),
  75. MIO_CFG_IN(GPIO15_SDIO_INSERT, AF0),
  76. MIO_CFG_OUT(GPIO91_SDIO_EN, AF0, DRIVE_LOW),
  77. /* USB */
  78. MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0),
  79. MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW),
  80. /* LCD */
  81. GPIOxx_LCD_TFT_16BPP,
  82. /* QCI */
  83. GPIO12_CIF_DD_7,
  84. GPIO17_CIF_DD_6,
  85. GPIO50_CIF_DD_3,
  86. GPIO51_CIF_DD_2,
  87. GPIO52_CIF_DD_4,
  88. GPIO53_CIF_MCLK,
  89. GPIO54_CIF_PCLK,
  90. GPIO55_CIF_DD_1,
  91. GPIO81_CIF_DD_0,
  92. GPIO82_CIF_DD_5,
  93. GPIO84_CIF_FV,
  94. GPIO85_CIF_LV,
  95. /* Bluetooth */
  96. MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0),
  97. GPIO44_BTUART_CTS,
  98. GPIO42_BTUART_RXD,
  99. GPIO45_BTUART_RTS,
  100. GPIO43_BTUART_TXD,
  101. MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW),
  102. MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH),
  103. MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH),
  104. /* GPS */
  105. MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW),
  106. MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW),
  107. MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW),
  108. MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW),
  109. MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW),
  110. GPIO46_STUART_RXD,
  111. GPIO47_STUART_TXD,
  112. /* GSM */
  113. MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW),
  114. MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH),
  115. MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH),
  116. MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH),
  117. MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0),
  118. MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH,
  119. GPIO34_FFUART_RXD,
  120. GPIO35_FFUART_CTS,
  121. GPIO36_FFUART_DCD,
  122. GPIO37_FFUART_DSR,
  123. GPIO39_FFUART_TXD,
  124. GPIO40_FFUART_DTR,
  125. GPIO41_FFUART_RTS,
  126. /* Sound */
  127. GPIO28_AC97_BITCLK,
  128. GPIO29_AC97_SDATA_IN_0,
  129. GPIO30_AC97_SDATA_OUT,
  130. GPIO31_AC97_SYNC,
  131. GPIO89_AC97_SYSCLK,
  132. MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0),
  133. /* Leds */
  134. MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH),
  135. MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH),
  136. MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH),
  137. MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH),
  138. MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH),
  139. /* Keyboard */
  140. MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH,
  141. MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0),
  142. MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0),
  143. GPIO100_KP_MKIN_0,
  144. GPIO101_KP_MKIN_1,
  145. GPIO102_KP_MKIN_2,
  146. GPIO103_KP_MKOUT_0,
  147. GPIO104_KP_MKOUT_1,
  148. GPIO105_KP_MKOUT_2,
  149. /* I2C */
  150. GPIO117_I2C_SCL,
  151. GPIO118_I2C_SDA,
  152. /* Unknown */
  153. MFP_CFG_IN(GPIO20, AF0),
  154. MFP_CFG_IN(GPIO21, AF0),
  155. MFP_CFG_IN(GPIO33, AF0),
  156. MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH),
  157. MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH),
  158. MFP_CFG_IN(GPIO96, AF0),
  159. MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH),
  160. };
  161. /* LCD Screen and Backlight */
  162. static struct platform_pwm_backlight_data mioa701_backlight_data = {
  163. .pwm_id = 0,
  164. .max_brightness = 100,
  165. .dft_brightness = 50,
  166. .pwm_period_ns = 4000 * 1024, /* Fl = 250kHz */
  167. };
  168. /*
  169. * LTM0305A776C LCD panel timings
  170. *
  171. * see:
  172. * - the LTM0305A776C datasheet,
  173. * - and the PXA27x Programmers' manual
  174. */
  175. static struct pxafb_mode_info mioa701_ltm0305a776c = {
  176. .pixclock = 220000, /* CLK=4.545 MHz */
  177. .xres = 240,
  178. .yres = 320,
  179. .bpp = 16,
  180. .hsync_len = 4,
  181. .vsync_len = 2,
  182. .left_margin = 6,
  183. .right_margin = 4,
  184. .upper_margin = 5,
  185. .lower_margin = 3,
  186. };
  187. static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
  188. {
  189. gpio_set_value(GPIO87_LCD_POWER, on);
  190. }
  191. static struct pxafb_mach_info mioa701_pxafb_info = {
  192. .modes = &mioa701_ltm0305a776c,
  193. .num_modes = 1,
  194. .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
  195. .pxafb_lcd_power = mioa701_lcd_power,
  196. };
  197. /*
  198. * Keyboard configuration
  199. */
  200. static unsigned int mioa701_matrix_keys[] = {
  201. KEY(0, 0, KEY_UP),
  202. KEY(0, 1, KEY_RIGHT),
  203. KEY(0, 2, KEY_MEDIA),
  204. KEY(1, 0, KEY_DOWN),
  205. KEY(1, 1, KEY_ENTER),
  206. KEY(1, 2, KEY_CONNECT), /* GPS key */
  207. KEY(2, 0, KEY_LEFT),
  208. KEY(2, 1, KEY_PHONE), /* Phone Green key */
  209. KEY(2, 2, KEY_CAMERA) /* Camera key */
  210. };
  211. static struct pxa27x_keypad_platform_data mioa701_keypad_info = {
  212. .matrix_key_rows = 3,
  213. .matrix_key_cols = 3,
  214. .matrix_key_map = mioa701_matrix_keys,
  215. .matrix_key_map_size = ARRAY_SIZE(mioa701_matrix_keys),
  216. };
  217. /*
  218. * GPIO Key Configuration
  219. */
  220. #define MIO_KEY(key, _gpio, _desc, _wakeup) \
  221. { .code = (key), .gpio = (_gpio), .active_low = 0, \
  222. .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) }
  223. static struct gpio_keys_button mioa701_button_table[] = {
  224. MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1),
  225. MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0),
  226. MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0),
  227. MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0)
  228. };
  229. static struct gpio_keys_platform_data mioa701_gpio_keys_data = {
  230. .buttons = mioa701_button_table,
  231. .nbuttons = ARRAY_SIZE(mioa701_button_table),
  232. };
  233. /*
  234. * Leds and vibrator
  235. */
  236. #define ONE_LED(_gpio, _name) \
  237. { .gpio = (_gpio), .name = (_name), .active_low = true }
  238. static struct gpio_led gpio_leds[] = {
  239. ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"),
  240. ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"),
  241. ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"),
  242. ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"),
  243. ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard")
  244. };
  245. static struct gpio_led_platform_data gpio_led_info = {
  246. .leds = gpio_leds,
  247. .num_leds = ARRAY_SIZE(gpio_leds),
  248. };
  249. /*
  250. * GSM Sagem XS200 chip
  251. *
  252. * GSM handling was purged from kernel. For history, this is the way to go :
  253. * - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1
  254. * GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1
  255. * - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100),
  256. * GPIO24_GSM_MOD_RESET_CMD = 0
  257. * - turn on : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000),
  258. * GPIO88_GSM_nMOD_ON_CMD = 1
  259. * - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000),
  260. * GPIO90_GSM_nMOD_OFF_CMD = 1
  261. */
  262. static int is_gsm_on(void)
  263. {
  264. int is_on;
  265. is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE);
  266. return is_on;
  267. }
  268. irqreturn_t gsm_on_irq(int irq, void *p)
  269. {
  270. printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n",
  271. is_gsm_on() ? "on" : "off");
  272. return IRQ_HANDLED;
  273. }
  274. static struct gpio gsm_gpios[] = {
  275. { GPIO25_GSM_MOD_ON_STATE, GPIOF_IN, "GSM state" },
  276. { GPIO113_GSM_EVENT, GPIOF_IN, "GSM event" },
  277. };
  278. static int __init gsm_init(void)
  279. {
  280. int rc;
  281. rc = gpio_request_array(ARRAY_AND_SIZE(gsm_gpios));
  282. if (rc)
  283. goto err_gpio;
  284. rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq,
  285. IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
  286. "GSM XS200 Power Irq", NULL);
  287. if (rc)
  288. goto err_irq;
  289. gpio_set_wake(GPIO113_GSM_EVENT, 1);
  290. return 0;
  291. err_irq:
  292. printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n");
  293. gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
  294. err_gpio:
  295. printk(KERN_ERR "Mioa701: gsm not available\n");
  296. return rc;
  297. }
  298. static void gsm_exit(void)
  299. {
  300. free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL);
  301. gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
  302. }
  303. /*
  304. * Bluetooth BRF6150 chip
  305. *
  306. * BT handling was purged from kernel. For history, this is the way to go :
  307. * - turn on : GPIO83_BT_ON = 1
  308. * - turn off : GPIO83_BT_ON = 0
  309. */
  310. /*
  311. * GPS Sirf Star III chip
  312. *
  313. * GPS handling was purged from kernel. For history, this is the way to go :
  314. * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
  315. * GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0
  316. * - turn on : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1
  317. * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
  318. */
  319. /*
  320. * USB UDC
  321. */
  322. static int is_usb_connected(void)
  323. {
  324. return !gpio_get_value(GPIO13_nUSB_DETECT);
  325. }
  326. static struct pxa2xx_udc_mach_info mioa701_udc_info = {
  327. .udc_is_connected = is_usb_connected,
  328. .gpio_pullup = GPIO22_USB_ENABLE,
  329. };
  330. struct gpio_vbus_mach_info gpio_vbus_data = {
  331. .gpio_vbus = GPIO13_nUSB_DETECT,
  332. .gpio_vbus_inverted = 1,
  333. .gpio_pullup = -1,
  334. };
  335. /*
  336. * SDIO/MMC Card controller
  337. */
  338. /**
  339. * The card detect interrupt isn't debounced so we delay it by 250ms
  340. * to give the card a chance to fully insert/eject.
  341. */
  342. static struct pxamci_platform_data mioa701_mci_info = {
  343. .detect_delay_ms = 250,
  344. .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
  345. .gpio_card_detect = GPIO15_SDIO_INSERT,
  346. .gpio_card_ro = GPIO78_SDIO_RO,
  347. .gpio_power = GPIO91_SDIO_EN,
  348. };
  349. /* FlashRAM */
  350. static struct resource docg3_resource = {
  351. .start = PXA_CS0_PHYS,
  352. .end = PXA_CS0_PHYS + SZ_8K - 1,
  353. .flags = IORESOURCE_MEM,
  354. };
  355. static struct platform_device docg3 = {
  356. .name = "docg3",
  357. .id = -1,
  358. .resource = &docg3_resource,
  359. .num_resources = 1,
  360. .dev = {
  361. .platform_data = NULL,
  362. },
  363. };
  364. /*
  365. * Suspend/Resume bootstrap management
  366. *
  367. * MIO A701 reboot sequence is highly ROM dependent. From the one dissassembled,
  368. * this sequence is as follows :
  369. * - disables interrupts
  370. * - initialize SDRAM (self refresh RAM into active RAM)
  371. * - initialize GPIOs (depends on value at 0xa020b020)
  372. * - initialize coprossessors
  373. * - if edge detect on PWR_SCL(GPIO3), then proceed to cold start
  374. * - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start
  375. * - else do a resume, ie. jump to addr 0xa0100000
  376. */
  377. #define RESUME_ENABLE_ADDR 0xa020b000
  378. #define RESUME_ENABLE_VAL 0x0f0f0f0f
  379. #define RESUME_BT_ADDR 0xa020b020
  380. #define RESUME_UNKNOWN_ADDR 0xa020b024
  381. #define RESUME_VECTOR_ADDR 0xa0100000
  382. #define BOOTSTRAP_WORDS mioa701_bootstrap_lg/4
  383. static u32 *save_buffer;
  384. static void install_bootstrap(void)
  385. {
  386. int i;
  387. u32 *rom_bootstrap = phys_to_virt(RESUME_VECTOR_ADDR);
  388. u32 *src = &mioa701_bootstrap;
  389. for (i = 0; i < BOOTSTRAP_WORDS; i++)
  390. rom_bootstrap[i] = src[i];
  391. }
  392. static int mioa701_sys_suspend(void)
  393. {
  394. int i = 0, is_bt_on;
  395. u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
  396. u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
  397. u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
  398. u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
  399. /* Devices prepare suspend */
  400. is_bt_on = !!gpio_get_value(GPIO83_BT_ON);
  401. pxa2xx_mfp_set_lpm(GPIO83_BT_ON,
  402. is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW);
  403. for (i = 0; i < BOOTSTRAP_WORDS; i++)
  404. save_buffer[i] = mem_resume_vector[i];
  405. save_buffer[i++] = *mem_resume_enabler;
  406. save_buffer[i++] = *mem_resume_bt;
  407. save_buffer[i++] = *mem_resume_unknown;
  408. *mem_resume_enabler = RESUME_ENABLE_VAL;
  409. *mem_resume_bt = is_bt_on;
  410. install_bootstrap();
  411. return 0;
  412. }
  413. static void mioa701_sys_resume(void)
  414. {
  415. int i = 0;
  416. u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
  417. u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
  418. u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
  419. u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
  420. for (i = 0; i < BOOTSTRAP_WORDS; i++)
  421. mem_resume_vector[i] = save_buffer[i];
  422. *mem_resume_enabler = save_buffer[i++];
  423. *mem_resume_bt = save_buffer[i++];
  424. *mem_resume_unknown = save_buffer[i++];
  425. }
  426. static struct syscore_ops mioa701_syscore_ops = {
  427. .suspend = mioa701_sys_suspend,
  428. .resume = mioa701_sys_resume,
  429. };
  430. static int __init bootstrap_init(void)
  431. {
  432. int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3);
  433. register_syscore_ops(&mioa701_syscore_ops);
  434. save_buffer = kmalloc(save_size, GFP_KERNEL);
  435. if (!save_buffer)
  436. return -ENOMEM;
  437. printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n",
  438. save_size);
  439. return 0;
  440. }
  441. static void bootstrap_exit(void)
  442. {
  443. kfree(save_buffer);
  444. unregister_syscore_ops(&mioa701_syscore_ops);
  445. printk(KERN_CRIT "Unregistering mioa701 suspend will hang next"
  446. "resume !!!\n");
  447. }
  448. /*
  449. * Power Supply
  450. */
  451. static char *supplicants[] = {
  452. "mioa701_battery"
  453. };
  454. static int is_ac_connected(void)
  455. {
  456. return gpio_get_value(GPIO96_AC_DETECT);
  457. }
  458. static void mioa701_set_charge(int flags)
  459. {
  460. gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB));
  461. }
  462. static struct pda_power_pdata power_pdata = {
  463. .is_ac_online = is_ac_connected,
  464. .is_usb_online = is_usb_connected,
  465. .set_charge = mioa701_set_charge,
  466. .supplied_to = supplicants,
  467. .num_supplicants = ARRAY_SIZE(supplicants),
  468. };
  469. static struct resource power_resources[] = {
  470. [0] = {
  471. .name = "ac",
  472. .start = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
  473. .end = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
  474. .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
  475. IORESOURCE_IRQ_LOWEDGE,
  476. },
  477. [1] = {
  478. .name = "usb",
  479. .start = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
  480. .end = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
  481. .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
  482. IORESOURCE_IRQ_LOWEDGE,
  483. },
  484. };
  485. static struct platform_device power_dev = {
  486. .name = "pda-power",
  487. .id = -1,
  488. .resource = power_resources,
  489. .num_resources = ARRAY_SIZE(power_resources),
  490. .dev = {
  491. .platform_data = &power_pdata,
  492. },
  493. };
  494. static struct wm97xx_batt_pdata mioa701_battery_data = {
  495. .batt_aux = WM97XX_AUX_ID1,
  496. .temp_aux = -1,
  497. .charge_gpio = -1,
  498. .min_voltage = 0xc00,
  499. .max_voltage = 0xfc0,
  500. .batt_tech = POWER_SUPPLY_TECHNOLOGY_LION,
  501. .batt_div = 1,
  502. .batt_mult = 1,
  503. .batt_name = "mioa701_battery",
  504. };
  505. static struct wm97xx_pdata mioa701_wm97xx_pdata = {
  506. .batt_pdata = &mioa701_battery_data,
  507. };
  508. /*
  509. * Voltage regulation
  510. */
  511. static struct regulator_consumer_supply max1586_consumers[] = {
  512. {
  513. .supply = "vcc_core",
  514. }
  515. };
  516. static struct regulator_init_data max1586_v3_info = {
  517. .constraints = {
  518. .name = "vcc_core range",
  519. .min_uV = 1000000,
  520. .max_uV = 1705000,
  521. .always_on = 1,
  522. .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
  523. },
  524. .num_consumer_supplies = ARRAY_SIZE(max1586_consumers),
  525. .consumer_supplies = max1586_consumers,
  526. };
  527. static struct max1586_subdev_data max1586_subdevs[] = {
  528. { .name = "vcc_core", .id = MAX1586_V3,
  529. .platform_data = &max1586_v3_info },
  530. };
  531. static struct max1586_platform_data max1586_info = {
  532. .subdevs = max1586_subdevs,
  533. .num_subdevs = ARRAY_SIZE(max1586_subdevs),
  534. .v3_gain = MAX1586_GAIN_NO_R24, /* 700..1475 mV */
  535. };
  536. /*
  537. * Camera interface
  538. */
  539. struct pxacamera_platform_data mioa701_pxacamera_platform_data = {
  540. .flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
  541. PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
  542. .mclk_10khz = 5000,
  543. };
  544. static struct i2c_board_info __initdata mioa701_pi2c_devices[] = {
  545. {
  546. I2C_BOARD_INFO("max1586", 0x14),
  547. .platform_data = &max1586_info,
  548. },
  549. };
  550. /* Board I2C devices. */
  551. static struct i2c_board_info mioa701_i2c_devices[] = {
  552. {
  553. I2C_BOARD_INFO("mt9m111", 0x5d),
  554. },
  555. };
  556. static struct soc_camera_link iclink = {
  557. .bus_id = 0, /* Match id in pxa27x_device_camera in device.c */
  558. .board_info = &mioa701_i2c_devices[0],
  559. .i2c_adapter_id = 0,
  560. };
  561. struct i2c_pxa_platform_data i2c_pdata = {
  562. .fast_mode = 1,
  563. };
  564. static pxa2xx_audio_ops_t mioa701_ac97_info = {
  565. .reset_gpio = 95,
  566. .codec_pdata = { &mioa701_wm97xx_pdata, },
  567. };
  568. /*
  569. * Mio global
  570. */
  571. /* Devices */
  572. #define MIO_PARENT_DEV(var, strname, tparent, pdata) \
  573. static struct platform_device var = { \
  574. .name = strname, \
  575. .id = -1, \
  576. .dev = { \
  577. .platform_data = pdata, \
  578. .parent = tparent, \
  579. }, \
  580. };
  581. #define MIO_SIMPLE_DEV(var, strname, pdata) \
  582. MIO_PARENT_DEV(var, strname, NULL, pdata)
  583. MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys", &mioa701_gpio_keys_data)
  584. MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight", &pxa27x_device_pwm0.dev,
  585. &mioa701_backlight_data);
  586. MIO_SIMPLE_DEV(mioa701_led, "leds-gpio", &gpio_led_info)
  587. MIO_SIMPLE_DEV(pxa2xx_pcm, "pxa2xx-pcm", NULL)
  588. MIO_SIMPLE_DEV(mioa701_sound, "mioa701-wm9713", NULL)
  589. MIO_SIMPLE_DEV(mioa701_board, "mioa701-board", NULL)
  590. MIO_SIMPLE_DEV(gpio_vbus, "gpio-vbus", &gpio_vbus_data);
  591. MIO_SIMPLE_DEV(mioa701_camera, "soc-camera-pdrv",&iclink);
  592. static struct platform_device *devices[] __initdata = {
  593. &mioa701_gpio_keys,
  594. &mioa701_backlight,
  595. &mioa701_led,
  596. &pxa2xx_pcm,
  597. &mioa701_sound,
  598. &power_dev,
  599. &docg3,
  600. &gpio_vbus,
  601. &mioa701_camera,
  602. &mioa701_board,
  603. };
  604. static void mioa701_machine_exit(void);
  605. static void mioa701_poweroff(void)
  606. {
  607. mioa701_machine_exit();
  608. pxa_restart('s', NULL);
  609. }
  610. static void mioa701_restart(char c, const char *cmd)
  611. {
  612. mioa701_machine_exit();
  613. pxa_restart('s', cmd);
  614. }
  615. static struct gpio global_gpios[] = {
  616. { GPIO9_CHARGE_EN, GPIOF_OUT_INIT_HIGH, "Charger enable" },
  617. { GPIO18_POWEROFF, GPIOF_OUT_INIT_LOW, "Power Off" },
  618. { GPIO87_LCD_POWER, GPIOF_OUT_INIT_LOW, "LCD Power" },
  619. };
  620. static void __init mioa701_machine_init(void)
  621. {
  622. int rc;
  623. PSLR = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */
  624. PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE;
  625. RTTR = 32768 - 1; /* Reset crazy WinCE value */
  626. UP2OCR = UP2OCR_HXOE;
  627. /*
  628. * Set up the flash memory : DiskOnChip G3 on first static memory bank
  629. */
  630. __raw_writel(0x7ff02dd8, MSC0);
  631. __raw_writel(0x0001c391, MCMEM0);
  632. __raw_writel(0x0001c391, MCATT0);
  633. __raw_writel(0x0001c391, MCIO0);
  634. pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
  635. pxa_set_ffuart_info(NULL);
  636. pxa_set_btuart_info(NULL);
  637. pxa_set_stuart_info(NULL);
  638. rc = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
  639. if (rc)
  640. pr_err("MioA701: Failed to request GPIOs: %d", rc);
  641. bootstrap_init();
  642. pxa_set_fb_info(NULL, &mioa701_pxafb_info);
  643. pxa_set_mci_info(&mioa701_mci_info);
  644. pxa_set_keypad_info(&mioa701_keypad_info);
  645. pxa_set_udc_info(&mioa701_udc_info);
  646. pxa_set_ac97_info(&mioa701_ac97_info);
  647. pm_power_off = mioa701_poweroff;
  648. platform_add_devices(devices, ARRAY_SIZE(devices));
  649. gsm_init();
  650. i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices));
  651. pxa_set_i2c_info(&i2c_pdata);
  652. pxa27x_set_i2c_power_info(NULL);
  653. pxa_set_camera_info(&mioa701_pxacamera_platform_data);
  654. }
  655. static void mioa701_machine_exit(void)
  656. {
  657. bootstrap_exit();
  658. gsm_exit();
  659. }
  660. MACHINE_START(MIOA701, "MIO A701")
  661. .atag_offset = 0x100,
  662. .restart_mode = 's',
  663. .map_io = &pxa27x_map_io,
  664. .nr_irqs = PXA_NR_IRQS,
  665. .init_irq = &pxa27x_init_irq,
  666. .handle_irq = &pxa27x_handle_irq,
  667. .init_machine = mioa701_machine_init,
  668. .timer = &pxa_timer,
  669. .restart = mioa701_restart,
  670. MACHINE_END