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/reboot.h>
  40. #include <linux/regulator/max1586.h>
  41. #include <linux/slab.h>
  42. #include <linux/i2c/pxa-i2c.h>
  43. #include <asm/mach-types.h>
  44. #include <asm/mach/arch.h>
  45. #include <mach/pxa27x.h>
  46. #include <mach/regs-rtc.h>
  47. #include <linux/platform_data/keypad-pxa27x.h>
  48. #include <linux/platform_data/video-pxafb.h>
  49. #include <linux/platform_data/mmc-pxamci.h>
  50. #include <mach/udc.h>
  51. #include <mach/pxa27x-udc.h>
  52. #include <linux/platform_data/camera-pxa.h>
  53. #include <mach/audio.h>
  54. #include <mach/smemc.h>
  55. #include <media/soc_camera.h>
  56. #include <mach/mioa701.h>
  57. #include "generic.h"
  58. #include "devices.h"
  59. static unsigned long mioa701_pin_config[] = {
  60. /* Mio global */
  61. MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW),
  62. MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW),
  63. MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH),
  64. MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH),
  65. MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0),
  66. /* Backlight PWM 0 */
  67. GPIO16_PWM0_OUT,
  68. /* MMC */
  69. GPIO32_MMC_CLK,
  70. GPIO92_MMC_DAT_0,
  71. GPIO109_MMC_DAT_1,
  72. GPIO110_MMC_DAT_2,
  73. GPIO111_MMC_DAT_3,
  74. GPIO112_MMC_CMD,
  75. MIO_CFG_IN(GPIO78_SDIO_RO, AF0),
  76. MIO_CFG_IN(GPIO15_SDIO_INSERT, AF0),
  77. MIO_CFG_OUT(GPIO91_SDIO_EN, AF0, DRIVE_LOW),
  78. /* USB */
  79. MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0),
  80. MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW),
  81. /* LCD */
  82. GPIOxx_LCD_TFT_16BPP,
  83. /* QCI */
  84. GPIO12_CIF_DD_7,
  85. GPIO17_CIF_DD_6,
  86. GPIO50_CIF_DD_3,
  87. GPIO51_CIF_DD_2,
  88. GPIO52_CIF_DD_4,
  89. GPIO53_CIF_MCLK,
  90. GPIO54_CIF_PCLK,
  91. GPIO55_CIF_DD_1,
  92. GPIO81_CIF_DD_0,
  93. GPIO82_CIF_DD_5,
  94. GPIO84_CIF_FV,
  95. GPIO85_CIF_LV,
  96. MIO_CFG_OUT(GPIO56_MT9M111_nOE, AF0, DRIVE_LOW),
  97. /* Bluetooth */
  98. MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0),
  99. GPIO44_BTUART_CTS,
  100. GPIO42_BTUART_RXD,
  101. GPIO45_BTUART_RTS,
  102. GPIO43_BTUART_TXD,
  103. MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW),
  104. MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH),
  105. MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH),
  106. /* GPS */
  107. MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW),
  108. MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW),
  109. MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW),
  110. MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW),
  111. MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW),
  112. GPIO46_STUART_RXD,
  113. GPIO47_STUART_TXD,
  114. /* GSM */
  115. MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW),
  116. MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH),
  117. MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH),
  118. MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH),
  119. MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0),
  120. MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH,
  121. GPIO34_FFUART_RXD,
  122. GPIO35_FFUART_CTS,
  123. GPIO36_FFUART_DCD,
  124. GPIO37_FFUART_DSR,
  125. GPIO39_FFUART_TXD,
  126. GPIO40_FFUART_DTR,
  127. GPIO41_FFUART_RTS,
  128. /* Sound */
  129. GPIO28_AC97_BITCLK,
  130. GPIO29_AC97_SDATA_IN_0,
  131. GPIO30_AC97_SDATA_OUT,
  132. GPIO31_AC97_SYNC,
  133. GPIO89_AC97_SYSCLK,
  134. MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0),
  135. /* Leds */
  136. MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH),
  137. MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH),
  138. MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH),
  139. MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH),
  140. MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH),
  141. /* Keyboard */
  142. MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH,
  143. MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0),
  144. MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0),
  145. GPIO100_KP_MKIN_0,
  146. GPIO101_KP_MKIN_1,
  147. GPIO102_KP_MKIN_2,
  148. GPIO103_KP_MKOUT_0,
  149. GPIO104_KP_MKOUT_1,
  150. GPIO105_KP_MKOUT_2,
  151. /* I2C */
  152. GPIO117_I2C_SCL,
  153. GPIO118_I2C_SDA,
  154. /* Unknown */
  155. MFP_CFG_IN(GPIO20, AF0),
  156. MFP_CFG_IN(GPIO21, AF0),
  157. MFP_CFG_IN(GPIO33, AF0),
  158. MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH),
  159. MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH),
  160. MFP_CFG_IN(GPIO96, AF0),
  161. MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH),
  162. };
  163. /* LCD Screen and Backlight */
  164. static struct platform_pwm_backlight_data mioa701_backlight_data = {
  165. .pwm_id = 0,
  166. .max_brightness = 100,
  167. .dft_brightness = 50,
  168. .pwm_period_ns = 4000 * 1024, /* Fl = 250kHz */
  169. };
  170. /*
  171. * LTM0305A776C LCD panel timings
  172. *
  173. * see:
  174. * - the LTM0305A776C datasheet,
  175. * - and the PXA27x Programmers' manual
  176. */
  177. static struct pxafb_mode_info mioa701_ltm0305a776c = {
  178. .pixclock = 220000, /* CLK=4.545 MHz */
  179. .xres = 240,
  180. .yres = 320,
  181. .bpp = 16,
  182. .hsync_len = 4,
  183. .vsync_len = 2,
  184. .left_margin = 6,
  185. .right_margin = 4,
  186. .upper_margin = 5,
  187. .lower_margin = 3,
  188. };
  189. static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
  190. {
  191. gpio_set_value(GPIO87_LCD_POWER, on);
  192. }
  193. static struct pxafb_mach_info mioa701_pxafb_info = {
  194. .modes = &mioa701_ltm0305a776c,
  195. .num_modes = 1,
  196. .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
  197. .pxafb_lcd_power = mioa701_lcd_power,
  198. };
  199. /*
  200. * Keyboard configuration
  201. */
  202. static const unsigned int mioa701_matrix_keys[] = {
  203. KEY(0, 0, KEY_UP),
  204. KEY(0, 1, KEY_RIGHT),
  205. KEY(0, 2, KEY_MEDIA),
  206. KEY(1, 0, KEY_DOWN),
  207. KEY(1, 1, KEY_ENTER),
  208. KEY(1, 2, KEY_CONNECT), /* GPS key */
  209. KEY(2, 0, KEY_LEFT),
  210. KEY(2, 1, KEY_PHONE), /* Phone Green key */
  211. KEY(2, 2, KEY_CAMERA) /* Camera key */
  212. };
  213. static struct matrix_keymap_data mioa701_matrix_keymap_data = {
  214. .keymap = mioa701_matrix_keys,
  215. .keymap_size = ARRAY_SIZE(mioa701_matrix_keys),
  216. };
  217. static struct pxa27x_keypad_platform_data mioa701_keypad_info = {
  218. .matrix_key_rows = 3,
  219. .matrix_key_cols = 3,
  220. .matrix_keymap_data = &mioa701_matrix_keymap_data,
  221. };
  222. /*
  223. * GPIO Key Configuration
  224. */
  225. #define MIO_KEY(key, _gpio, _desc, _wakeup) \
  226. { .code = (key), .gpio = (_gpio), .active_low = 0, \
  227. .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) }
  228. static struct gpio_keys_button mioa701_button_table[] = {
  229. MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1),
  230. MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0),
  231. MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0),
  232. MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0)
  233. };
  234. static struct gpio_keys_platform_data mioa701_gpio_keys_data = {
  235. .buttons = mioa701_button_table,
  236. .nbuttons = ARRAY_SIZE(mioa701_button_table),
  237. };
  238. /*
  239. * Leds and vibrator
  240. */
  241. #define ONE_LED(_gpio, _name) \
  242. { .gpio = (_gpio), .name = (_name), .active_low = true }
  243. static struct gpio_led gpio_leds[] = {
  244. ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"),
  245. ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"),
  246. ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"),
  247. ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"),
  248. ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard")
  249. };
  250. static struct gpio_led_platform_data gpio_led_info = {
  251. .leds = gpio_leds,
  252. .num_leds = ARRAY_SIZE(gpio_leds),
  253. };
  254. /*
  255. * GSM Sagem XS200 chip
  256. *
  257. * GSM handling was purged from kernel. For history, this is the way to go :
  258. * - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1
  259. * GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1
  260. * - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100),
  261. * GPIO24_GSM_MOD_RESET_CMD = 0
  262. * - turn on : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000),
  263. * GPIO88_GSM_nMOD_ON_CMD = 1
  264. * - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000),
  265. * GPIO90_GSM_nMOD_OFF_CMD = 1
  266. */
  267. static int is_gsm_on(void)
  268. {
  269. int is_on;
  270. is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE);
  271. return is_on;
  272. }
  273. irqreturn_t gsm_on_irq(int irq, void *p)
  274. {
  275. printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n",
  276. is_gsm_on() ? "on" : "off");
  277. return IRQ_HANDLED;
  278. }
  279. static struct gpio gsm_gpios[] = {
  280. { GPIO25_GSM_MOD_ON_STATE, GPIOF_IN, "GSM state" },
  281. { GPIO113_GSM_EVENT, GPIOF_IN, "GSM event" },
  282. };
  283. static int __init gsm_init(void)
  284. {
  285. int rc;
  286. rc = gpio_request_array(ARRAY_AND_SIZE(gsm_gpios));
  287. if (rc)
  288. goto err_gpio;
  289. rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq,
  290. IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
  291. "GSM XS200 Power Irq", NULL);
  292. if (rc)
  293. goto err_irq;
  294. gpio_set_wake(GPIO113_GSM_EVENT, 1);
  295. return 0;
  296. err_irq:
  297. printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n");
  298. gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
  299. err_gpio:
  300. printk(KERN_ERR "Mioa701: gsm not available\n");
  301. return rc;
  302. }
  303. static void gsm_exit(void)
  304. {
  305. free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL);
  306. gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
  307. }
  308. /*
  309. * Bluetooth BRF6150 chip
  310. *
  311. * BT handling was purged from kernel. For history, this is the way to go :
  312. * - turn on : GPIO83_BT_ON = 1
  313. * - turn off : GPIO83_BT_ON = 0
  314. */
  315. /*
  316. * GPS Sirf Star III chip
  317. *
  318. * GPS handling was purged from kernel. For history, this is the way to go :
  319. * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
  320. * GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0
  321. * - turn on : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1
  322. * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
  323. */
  324. /*
  325. * USB UDC
  326. */
  327. static int is_usb_connected(void)
  328. {
  329. return !gpio_get_value(GPIO13_nUSB_DETECT);
  330. }
  331. static struct pxa2xx_udc_mach_info mioa701_udc_info = {
  332. .udc_is_connected = is_usb_connected,
  333. .gpio_pullup = GPIO22_USB_ENABLE,
  334. };
  335. struct gpio_vbus_mach_info gpio_vbus_data = {
  336. .gpio_vbus = GPIO13_nUSB_DETECT,
  337. .gpio_vbus_inverted = 1,
  338. .gpio_pullup = -1,
  339. };
  340. /*
  341. * SDIO/MMC Card controller
  342. */
  343. /**
  344. * The card detect interrupt isn't debounced so we delay it by 250ms
  345. * to give the card a chance to fully insert/eject.
  346. */
  347. static struct pxamci_platform_data mioa701_mci_info = {
  348. .detect_delay_ms = 250,
  349. .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
  350. .gpio_card_detect = GPIO15_SDIO_INSERT,
  351. .gpio_card_ro = GPIO78_SDIO_RO,
  352. .gpio_power = GPIO91_SDIO_EN,
  353. };
  354. /* FlashRAM */
  355. static struct resource docg3_resource = {
  356. .start = PXA_CS0_PHYS,
  357. .end = PXA_CS0_PHYS + SZ_8K - 1,
  358. .flags = IORESOURCE_MEM,
  359. };
  360. static struct platform_device docg3 = {
  361. .name = "docg3",
  362. .id = -1,
  363. .resource = &docg3_resource,
  364. .num_resources = 1,
  365. .dev = {
  366. .platform_data = NULL,
  367. },
  368. };
  369. /*
  370. * Suspend/Resume bootstrap management
  371. *
  372. * MIO A701 reboot sequence is highly ROM dependent. From the one dissassembled,
  373. * this sequence is as follows :
  374. * - disables interrupts
  375. * - initialize SDRAM (self refresh RAM into active RAM)
  376. * - initialize GPIOs (depends on value at 0xa020b020)
  377. * - initialize coprossessors
  378. * - if edge detect on PWR_SCL(GPIO3), then proceed to cold start
  379. * - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start
  380. * - else do a resume, ie. jump to addr 0xa0100000
  381. */
  382. #define RESUME_ENABLE_ADDR 0xa020b000
  383. #define RESUME_ENABLE_VAL 0x0f0f0f0f
  384. #define RESUME_BT_ADDR 0xa020b020
  385. #define RESUME_UNKNOWN_ADDR 0xa020b024
  386. #define RESUME_VECTOR_ADDR 0xa0100000
  387. #define BOOTSTRAP_WORDS mioa701_bootstrap_lg/4
  388. static u32 *save_buffer;
  389. static void install_bootstrap(void)
  390. {
  391. int i;
  392. u32 *rom_bootstrap = phys_to_virt(RESUME_VECTOR_ADDR);
  393. u32 *src = &mioa701_bootstrap;
  394. for (i = 0; i < BOOTSTRAP_WORDS; i++)
  395. rom_bootstrap[i] = src[i];
  396. }
  397. static int mioa701_sys_suspend(void)
  398. {
  399. int i = 0, is_bt_on;
  400. u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
  401. u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
  402. u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
  403. u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
  404. /* Devices prepare suspend */
  405. is_bt_on = !!gpio_get_value(GPIO83_BT_ON);
  406. pxa2xx_mfp_set_lpm(GPIO83_BT_ON,
  407. is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW);
  408. for (i = 0; i < BOOTSTRAP_WORDS; i++)
  409. save_buffer[i] = mem_resume_vector[i];
  410. save_buffer[i++] = *mem_resume_enabler;
  411. save_buffer[i++] = *mem_resume_bt;
  412. save_buffer[i++] = *mem_resume_unknown;
  413. *mem_resume_enabler = RESUME_ENABLE_VAL;
  414. *mem_resume_bt = is_bt_on;
  415. install_bootstrap();
  416. return 0;
  417. }
  418. static void mioa701_sys_resume(void)
  419. {
  420. int i = 0;
  421. u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
  422. u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
  423. u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
  424. u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
  425. for (i = 0; i < BOOTSTRAP_WORDS; i++)
  426. mem_resume_vector[i] = save_buffer[i];
  427. *mem_resume_enabler = save_buffer[i++];
  428. *mem_resume_bt = save_buffer[i++];
  429. *mem_resume_unknown = save_buffer[i++];
  430. }
  431. static struct syscore_ops mioa701_syscore_ops = {
  432. .suspend = mioa701_sys_suspend,
  433. .resume = mioa701_sys_resume,
  434. };
  435. static int __init bootstrap_init(void)
  436. {
  437. int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3);
  438. register_syscore_ops(&mioa701_syscore_ops);
  439. save_buffer = kmalloc(save_size, GFP_KERNEL);
  440. if (!save_buffer)
  441. return -ENOMEM;
  442. printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n",
  443. save_size);
  444. return 0;
  445. }
  446. static void bootstrap_exit(void)
  447. {
  448. kfree(save_buffer);
  449. unregister_syscore_ops(&mioa701_syscore_ops);
  450. printk(KERN_CRIT "Unregistering mioa701 suspend will hang next"
  451. "resume !!!\n");
  452. }
  453. /*
  454. * Power Supply
  455. */
  456. static char *supplicants[] = {
  457. "mioa701_battery"
  458. };
  459. static int is_ac_connected(void)
  460. {
  461. return gpio_get_value(GPIO96_AC_DETECT);
  462. }
  463. static void mioa701_set_charge(int flags)
  464. {
  465. gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB));
  466. }
  467. static struct pda_power_pdata power_pdata = {
  468. .is_ac_online = is_ac_connected,
  469. .is_usb_online = is_usb_connected,
  470. .set_charge = mioa701_set_charge,
  471. .supplied_to = supplicants,
  472. .num_supplicants = ARRAY_SIZE(supplicants),
  473. };
  474. static struct resource power_resources[] = {
  475. [0] = {
  476. .name = "ac",
  477. .start = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
  478. .end = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
  479. .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
  480. IORESOURCE_IRQ_LOWEDGE,
  481. },
  482. [1] = {
  483. .name = "usb",
  484. .start = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
  485. .end = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
  486. .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
  487. IORESOURCE_IRQ_LOWEDGE,
  488. },
  489. };
  490. static struct platform_device power_dev = {
  491. .name = "pda-power",
  492. .id = -1,
  493. .resource = power_resources,
  494. .num_resources = ARRAY_SIZE(power_resources),
  495. .dev = {
  496. .platform_data = &power_pdata,
  497. },
  498. };
  499. static struct wm97xx_batt_pdata mioa701_battery_data = {
  500. .batt_aux = WM97XX_AUX_ID1,
  501. .temp_aux = -1,
  502. .charge_gpio = -1,
  503. .min_voltage = 0xc00,
  504. .max_voltage = 0xfc0,
  505. .batt_tech = POWER_SUPPLY_TECHNOLOGY_LION,
  506. .batt_div = 1,
  507. .batt_mult = 1,
  508. .batt_name = "mioa701_battery",
  509. };
  510. static struct wm97xx_pdata mioa701_wm97xx_pdata = {
  511. .batt_pdata = &mioa701_battery_data,
  512. };
  513. /*
  514. * Voltage regulation
  515. */
  516. static struct regulator_consumer_supply max1586_consumers[] = {
  517. REGULATOR_SUPPLY("vcc_core", NULL),
  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. &docg3,
  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. pxa_restart(REBOOT_SOFT, NULL);
  612. }
  613. static void mioa701_restart(enum reboot_mode c, const char *cmd)
  614. {
  615. mioa701_machine_exit();
  616. pxa_restart(REBOOT_SOFT, 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. { GPIO56_MT9M111_nOE, GPIOF_OUT_INIT_LOW, "Camera nOE" },
  623. };
  624. static void __init mioa701_machine_init(void)
  625. {
  626. int rc;
  627. PSLR = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */
  628. PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE;
  629. RTTR = 32768 - 1; /* Reset crazy WinCE value */
  630. UP2OCR = UP2OCR_HXOE;
  631. /*
  632. * Set up the flash memory : DiskOnChip G3 on first static memory bank
  633. */
  634. __raw_writel(0x7ff02dd8, MSC0);
  635. __raw_writel(0x0001c391, MCMEM0);
  636. __raw_writel(0x0001c391, MCATT0);
  637. __raw_writel(0x0001c391, MCIO0);
  638. pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
  639. pxa_set_ffuart_info(NULL);
  640. pxa_set_btuart_info(NULL);
  641. pxa_set_stuart_info(NULL);
  642. rc = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
  643. if (rc)
  644. pr_err("MioA701: Failed to request GPIOs: %d", rc);
  645. bootstrap_init();
  646. pxa_set_fb_info(NULL, &mioa701_pxafb_info);
  647. pxa_set_mci_info(&mioa701_mci_info);
  648. pxa_set_keypad_info(&mioa701_keypad_info);
  649. pxa_set_udc_info(&mioa701_udc_info);
  650. pxa_set_ac97_info(&mioa701_ac97_info);
  651. pm_power_off = mioa701_poweroff;
  652. platform_add_devices(devices, ARRAY_SIZE(devices));
  653. gsm_init();
  654. i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices));
  655. pxa_set_i2c_info(&i2c_pdata);
  656. pxa27x_set_i2c_power_info(NULL);
  657. pxa_set_camera_info(&mioa701_pxacamera_platform_data);
  658. }
  659. static void mioa701_machine_exit(void)
  660. {
  661. bootstrap_exit();
  662. gsm_exit();
  663. }
  664. MACHINE_START(MIOA701, "MIO A701")
  665. .atag_offset = 0x100,
  666. .map_io = &pxa27x_map_io,
  667. .nr_irqs = PXA_NR_IRQS,
  668. .init_irq = &pxa27x_init_irq,
  669. .handle_irq = &pxa27x_handle_irq,
  670. .init_machine = mioa701_machine_init,
  671. .init_time = pxa_timer_init,
  672. .restart = mioa701_restart,
  673. MACHINE_END