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. .enable_gpio = -1,
  170. };
  171. /*
  172. * LTM0305A776C LCD panel timings
  173. *
  174. * see:
  175. * - the LTM0305A776C datasheet,
  176. * - and the PXA27x Programmers' manual
  177. */
  178. static struct pxafb_mode_info mioa701_ltm0305a776c = {
  179. .pixclock = 220000, /* CLK=4.545 MHz */
  180. .xres = 240,
  181. .yres = 320,
  182. .bpp = 16,
  183. .hsync_len = 4,
  184. .vsync_len = 2,
  185. .left_margin = 6,
  186. .right_margin = 4,
  187. .upper_margin = 5,
  188. .lower_margin = 3,
  189. };
  190. static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
  191. {
  192. gpio_set_value(GPIO87_LCD_POWER, on);
  193. }
  194. static struct pxafb_mach_info mioa701_pxafb_info = {
  195. .modes = &mioa701_ltm0305a776c,
  196. .num_modes = 1,
  197. .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
  198. .pxafb_lcd_power = mioa701_lcd_power,
  199. };
  200. /*
  201. * Keyboard configuration
  202. */
  203. static const unsigned int mioa701_matrix_keys[] = {
  204. KEY(0, 0, KEY_UP),
  205. KEY(0, 1, KEY_RIGHT),
  206. KEY(0, 2, KEY_MEDIA),
  207. KEY(1, 0, KEY_DOWN),
  208. KEY(1, 1, KEY_ENTER),
  209. KEY(1, 2, KEY_CONNECT), /* GPS key */
  210. KEY(2, 0, KEY_LEFT),
  211. KEY(2, 1, KEY_PHONE), /* Phone Green key */
  212. KEY(2, 2, KEY_CAMERA) /* Camera key */
  213. };
  214. static struct matrix_keymap_data mioa701_matrix_keymap_data = {
  215. .keymap = mioa701_matrix_keys,
  216. .keymap_size = ARRAY_SIZE(mioa701_matrix_keys),
  217. };
  218. static struct pxa27x_keypad_platform_data mioa701_keypad_info = {
  219. .matrix_key_rows = 3,
  220. .matrix_key_cols = 3,
  221. .matrix_keymap_data = &mioa701_matrix_keymap_data,
  222. };
  223. /*
  224. * GPIO Key Configuration
  225. */
  226. #define MIO_KEY(key, _gpio, _desc, _wakeup) \
  227. { .code = (key), .gpio = (_gpio), .active_low = 0, \
  228. .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) }
  229. static struct gpio_keys_button mioa701_button_table[] = {
  230. MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1),
  231. MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0),
  232. MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0),
  233. MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0)
  234. };
  235. static struct gpio_keys_platform_data mioa701_gpio_keys_data = {
  236. .buttons = mioa701_button_table,
  237. .nbuttons = ARRAY_SIZE(mioa701_button_table),
  238. };
  239. /*
  240. * Leds and vibrator
  241. */
  242. #define ONE_LED(_gpio, _name) \
  243. { .gpio = (_gpio), .name = (_name), .active_low = true }
  244. static struct gpio_led gpio_leds[] = {
  245. ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"),
  246. ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"),
  247. ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"),
  248. ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"),
  249. ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard")
  250. };
  251. static struct gpio_led_platform_data gpio_led_info = {
  252. .leds = gpio_leds,
  253. .num_leds = ARRAY_SIZE(gpio_leds),
  254. };
  255. /*
  256. * GSM Sagem XS200 chip
  257. *
  258. * GSM handling was purged from kernel. For history, this is the way to go :
  259. * - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1
  260. * GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1
  261. * - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100),
  262. * GPIO24_GSM_MOD_RESET_CMD = 0
  263. * - turn on : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000),
  264. * GPIO88_GSM_nMOD_ON_CMD = 1
  265. * - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000),
  266. * GPIO90_GSM_nMOD_OFF_CMD = 1
  267. */
  268. static int is_gsm_on(void)
  269. {
  270. int is_on;
  271. is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE);
  272. return is_on;
  273. }
  274. irqreturn_t gsm_on_irq(int irq, void *p)
  275. {
  276. printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n",
  277. is_gsm_on() ? "on" : "off");
  278. return IRQ_HANDLED;
  279. }
  280. static struct gpio gsm_gpios[] = {
  281. { GPIO25_GSM_MOD_ON_STATE, GPIOF_IN, "GSM state" },
  282. { GPIO113_GSM_EVENT, GPIOF_IN, "GSM event" },
  283. };
  284. static int __init gsm_init(void)
  285. {
  286. int rc;
  287. rc = gpio_request_array(ARRAY_AND_SIZE(gsm_gpios));
  288. if (rc)
  289. goto err_gpio;
  290. rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq,
  291. IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
  292. "GSM XS200 Power Irq", NULL);
  293. if (rc)
  294. goto err_irq;
  295. gpio_set_wake(GPIO113_GSM_EVENT, 1);
  296. return 0;
  297. err_irq:
  298. printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n");
  299. gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
  300. err_gpio:
  301. printk(KERN_ERR "Mioa701: gsm not available\n");
  302. return rc;
  303. }
  304. static void gsm_exit(void)
  305. {
  306. free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL);
  307. gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
  308. }
  309. /*
  310. * Bluetooth BRF6150 chip
  311. *
  312. * BT handling was purged from kernel. For history, this is the way to go :
  313. * - turn on : GPIO83_BT_ON = 1
  314. * - turn off : GPIO83_BT_ON = 0
  315. */
  316. /*
  317. * GPS Sirf Star III chip
  318. *
  319. * GPS handling was purged from kernel. For history, this is the way to go :
  320. * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
  321. * GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0
  322. * - turn on : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1
  323. * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
  324. */
  325. /*
  326. * USB UDC
  327. */
  328. static int is_usb_connected(void)
  329. {
  330. return !gpio_get_value(GPIO13_nUSB_DETECT);
  331. }
  332. static struct pxa2xx_udc_mach_info mioa701_udc_info = {
  333. .udc_is_connected = is_usb_connected,
  334. .gpio_pullup = GPIO22_USB_ENABLE,
  335. };
  336. struct gpio_vbus_mach_info gpio_vbus_data = {
  337. .gpio_vbus = GPIO13_nUSB_DETECT,
  338. .gpio_vbus_inverted = 1,
  339. .gpio_pullup = -1,
  340. };
  341. /*
  342. * SDIO/MMC Card controller
  343. */
  344. /**
  345. * The card detect interrupt isn't debounced so we delay it by 250ms
  346. * to give the card a chance to fully insert/eject.
  347. */
  348. static struct pxamci_platform_data mioa701_mci_info = {
  349. .detect_delay_ms = 250,
  350. .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
  351. .gpio_card_detect = GPIO15_SDIO_INSERT,
  352. .gpio_card_ro = GPIO78_SDIO_RO,
  353. .gpio_power = GPIO91_SDIO_EN,
  354. };
  355. /* FlashRAM */
  356. static struct resource docg3_resource = {
  357. .start = PXA_CS0_PHYS,
  358. .end = PXA_CS0_PHYS + SZ_8K - 1,
  359. .flags = IORESOURCE_MEM,
  360. };
  361. static struct platform_device docg3 = {
  362. .name = "docg3",
  363. .id = -1,
  364. .resource = &docg3_resource,
  365. .num_resources = 1,
  366. .dev = {
  367. .platform_data = NULL,
  368. },
  369. };
  370. /*
  371. * Suspend/Resume bootstrap management
  372. *
  373. * MIO A701 reboot sequence is highly ROM dependent. From the one dissassembled,
  374. * this sequence is as follows :
  375. * - disables interrupts
  376. * - initialize SDRAM (self refresh RAM into active RAM)
  377. * - initialize GPIOs (depends on value at 0xa020b020)
  378. * - initialize coprossessors
  379. * - if edge detect on PWR_SCL(GPIO3), then proceed to cold start
  380. * - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start
  381. * - else do a resume, ie. jump to addr 0xa0100000
  382. */
  383. #define RESUME_ENABLE_ADDR 0xa020b000
  384. #define RESUME_ENABLE_VAL 0x0f0f0f0f
  385. #define RESUME_BT_ADDR 0xa020b020
  386. #define RESUME_UNKNOWN_ADDR 0xa020b024
  387. #define RESUME_VECTOR_ADDR 0xa0100000
  388. #define BOOTSTRAP_WORDS mioa701_bootstrap_lg/4
  389. static u32 *save_buffer;
  390. static void install_bootstrap(void)
  391. {
  392. int i;
  393. u32 *rom_bootstrap = phys_to_virt(RESUME_VECTOR_ADDR);
  394. u32 *src = &mioa701_bootstrap;
  395. for (i = 0; i < BOOTSTRAP_WORDS; i++)
  396. rom_bootstrap[i] = src[i];
  397. }
  398. static int mioa701_sys_suspend(void)
  399. {
  400. int i = 0, is_bt_on;
  401. u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
  402. u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
  403. u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
  404. u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
  405. /* Devices prepare suspend */
  406. is_bt_on = !!gpio_get_value(GPIO83_BT_ON);
  407. pxa2xx_mfp_set_lpm(GPIO83_BT_ON,
  408. is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW);
  409. for (i = 0; i < BOOTSTRAP_WORDS; i++)
  410. save_buffer[i] = mem_resume_vector[i];
  411. save_buffer[i++] = *mem_resume_enabler;
  412. save_buffer[i++] = *mem_resume_bt;
  413. save_buffer[i++] = *mem_resume_unknown;
  414. *mem_resume_enabler = RESUME_ENABLE_VAL;
  415. *mem_resume_bt = is_bt_on;
  416. install_bootstrap();
  417. return 0;
  418. }
  419. static void mioa701_sys_resume(void)
  420. {
  421. int i = 0;
  422. u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
  423. u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
  424. u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
  425. u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
  426. for (i = 0; i < BOOTSTRAP_WORDS; i++)
  427. mem_resume_vector[i] = save_buffer[i];
  428. *mem_resume_enabler = save_buffer[i++];
  429. *mem_resume_bt = save_buffer[i++];
  430. *mem_resume_unknown = save_buffer[i++];
  431. }
  432. static struct syscore_ops mioa701_syscore_ops = {
  433. .suspend = mioa701_sys_suspend,
  434. .resume = mioa701_sys_resume,
  435. };
  436. static int __init bootstrap_init(void)
  437. {
  438. int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3);
  439. register_syscore_ops(&mioa701_syscore_ops);
  440. save_buffer = kmalloc(save_size, GFP_KERNEL);
  441. if (!save_buffer)
  442. return -ENOMEM;
  443. printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n",
  444. save_size);
  445. return 0;
  446. }
  447. static void bootstrap_exit(void)
  448. {
  449. kfree(save_buffer);
  450. unregister_syscore_ops(&mioa701_syscore_ops);
  451. printk(KERN_CRIT "Unregistering mioa701 suspend will hang next"
  452. "resume !!!\n");
  453. }
  454. /*
  455. * Power Supply
  456. */
  457. static char *supplicants[] = {
  458. "mioa701_battery"
  459. };
  460. static int is_ac_connected(void)
  461. {
  462. return gpio_get_value(GPIO96_AC_DETECT);
  463. }
  464. static void mioa701_set_charge(int flags)
  465. {
  466. gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB));
  467. }
  468. static struct pda_power_pdata power_pdata = {
  469. .is_ac_online = is_ac_connected,
  470. .is_usb_online = is_usb_connected,
  471. .set_charge = mioa701_set_charge,
  472. .supplied_to = supplicants,
  473. .num_supplicants = ARRAY_SIZE(supplicants),
  474. };
  475. static struct resource power_resources[] = {
  476. [0] = {
  477. .name = "ac",
  478. .start = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
  479. .end = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
  480. .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
  481. IORESOURCE_IRQ_LOWEDGE,
  482. },
  483. [1] = {
  484. .name = "usb",
  485. .start = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
  486. .end = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
  487. .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
  488. IORESOURCE_IRQ_LOWEDGE,
  489. },
  490. };
  491. static struct platform_device power_dev = {
  492. .name = "pda-power",
  493. .id = -1,
  494. .resource = power_resources,
  495. .num_resources = ARRAY_SIZE(power_resources),
  496. .dev = {
  497. .platform_data = &power_pdata,
  498. },
  499. };
  500. static struct wm97xx_batt_pdata mioa701_battery_data = {
  501. .batt_aux = WM97XX_AUX_ID1,
  502. .temp_aux = -1,
  503. .charge_gpio = -1,
  504. .min_voltage = 0xc00,
  505. .max_voltage = 0xfc0,
  506. .batt_tech = POWER_SUPPLY_TECHNOLOGY_LION,
  507. .batt_div = 1,
  508. .batt_mult = 1,
  509. .batt_name = "mioa701_battery",
  510. };
  511. static struct wm97xx_pdata mioa701_wm97xx_pdata = {
  512. .batt_pdata = &mioa701_battery_data,
  513. };
  514. /*
  515. * Voltage regulation
  516. */
  517. static struct regulator_consumer_supply max1586_consumers[] = {
  518. REGULATOR_SUPPLY("vcc_core", NULL),
  519. };
  520. static struct regulator_init_data max1586_v3_info = {
  521. .constraints = {
  522. .name = "vcc_core range",
  523. .min_uV = 1000000,
  524. .max_uV = 1705000,
  525. .always_on = 1,
  526. .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
  527. },
  528. .num_consumer_supplies = ARRAY_SIZE(max1586_consumers),
  529. .consumer_supplies = max1586_consumers,
  530. };
  531. static struct max1586_subdev_data max1586_subdevs[] = {
  532. { .name = "vcc_core", .id = MAX1586_V3,
  533. .platform_data = &max1586_v3_info },
  534. };
  535. static struct max1586_platform_data max1586_info = {
  536. .subdevs = max1586_subdevs,
  537. .num_subdevs = ARRAY_SIZE(max1586_subdevs),
  538. .v3_gain = MAX1586_GAIN_NO_R24, /* 700..1475 mV */
  539. };
  540. /*
  541. * Camera interface
  542. */
  543. struct pxacamera_platform_data mioa701_pxacamera_platform_data = {
  544. .flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
  545. PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
  546. .mclk_10khz = 5000,
  547. };
  548. static struct i2c_board_info __initdata mioa701_pi2c_devices[] = {
  549. {
  550. I2C_BOARD_INFO("max1586", 0x14),
  551. .platform_data = &max1586_info,
  552. },
  553. };
  554. /* Board I2C devices. */
  555. static struct i2c_board_info mioa701_i2c_devices[] = {
  556. {
  557. I2C_BOARD_INFO("mt9m111", 0x5d),
  558. },
  559. };
  560. static struct soc_camera_link iclink = {
  561. .bus_id = 0, /* Match id in pxa27x_device_camera in device.c */
  562. .board_info = &mioa701_i2c_devices[0],
  563. .i2c_adapter_id = 0,
  564. };
  565. struct i2c_pxa_platform_data i2c_pdata = {
  566. .fast_mode = 1,
  567. };
  568. static pxa2xx_audio_ops_t mioa701_ac97_info = {
  569. .reset_gpio = 95,
  570. .codec_pdata = { &mioa701_wm97xx_pdata, },
  571. };
  572. /*
  573. * Mio global
  574. */
  575. /* Devices */
  576. #define MIO_PARENT_DEV(var, strname, tparent, pdata) \
  577. static struct platform_device var = { \
  578. .name = strname, \
  579. .id = -1, \
  580. .dev = { \
  581. .platform_data = pdata, \
  582. .parent = tparent, \
  583. }, \
  584. };
  585. #define MIO_SIMPLE_DEV(var, strname, pdata) \
  586. MIO_PARENT_DEV(var, strname, NULL, pdata)
  587. MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys", &mioa701_gpio_keys_data)
  588. MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight", &pxa27x_device_pwm0.dev,
  589. &mioa701_backlight_data);
  590. MIO_SIMPLE_DEV(mioa701_led, "leds-gpio", &gpio_led_info)
  591. MIO_SIMPLE_DEV(pxa2xx_pcm, "pxa2xx-pcm", NULL)
  592. MIO_SIMPLE_DEV(mioa701_sound, "mioa701-wm9713", NULL)
  593. MIO_SIMPLE_DEV(mioa701_board, "mioa701-board", NULL)
  594. MIO_SIMPLE_DEV(gpio_vbus, "gpio-vbus", &gpio_vbus_data);
  595. MIO_SIMPLE_DEV(mioa701_camera, "soc-camera-pdrv",&iclink);
  596. static struct platform_device *devices[] __initdata = {
  597. &mioa701_gpio_keys,
  598. &mioa701_backlight,
  599. &mioa701_led,
  600. &pxa2xx_pcm,
  601. &mioa701_sound,
  602. &power_dev,
  603. &docg3,
  604. &gpio_vbus,
  605. &mioa701_camera,
  606. &mioa701_board,
  607. };
  608. static void mioa701_machine_exit(void);
  609. static void mioa701_poweroff(void)
  610. {
  611. mioa701_machine_exit();
  612. pxa_restart(REBOOT_SOFT, NULL);
  613. }
  614. static void mioa701_restart(enum reboot_mode c, const char *cmd)
  615. {
  616. mioa701_machine_exit();
  617. pxa_restart(REBOOT_SOFT, cmd);
  618. }
  619. static struct gpio global_gpios[] = {
  620. { GPIO9_CHARGE_EN, GPIOF_OUT_INIT_HIGH, "Charger enable" },
  621. { GPIO18_POWEROFF, GPIOF_OUT_INIT_LOW, "Power Off" },
  622. { GPIO87_LCD_POWER, GPIOF_OUT_INIT_LOW, "LCD Power" },
  623. { GPIO56_MT9M111_nOE, GPIOF_OUT_INIT_LOW, "Camera nOE" },
  624. };
  625. static void __init mioa701_machine_init(void)
  626. {
  627. int rc;
  628. PSLR = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */
  629. PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE;
  630. RTTR = 32768 - 1; /* Reset crazy WinCE value */
  631. UP2OCR = UP2OCR_HXOE;
  632. /*
  633. * Set up the flash memory : DiskOnChip G3 on first static memory bank
  634. */
  635. __raw_writel(0x7ff02dd8, MSC0);
  636. __raw_writel(0x0001c391, MCMEM0);
  637. __raw_writel(0x0001c391, MCATT0);
  638. __raw_writel(0x0001c391, MCIO0);
  639. pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
  640. pxa_set_ffuart_info(NULL);
  641. pxa_set_btuart_info(NULL);
  642. pxa_set_stuart_info(NULL);
  643. rc = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
  644. if (rc)
  645. pr_err("MioA701: Failed to request GPIOs: %d", rc);
  646. bootstrap_init();
  647. pxa_set_fb_info(NULL, &mioa701_pxafb_info);
  648. pxa_set_mci_info(&mioa701_mci_info);
  649. pxa_set_keypad_info(&mioa701_keypad_info);
  650. pxa_set_udc_info(&mioa701_udc_info);
  651. pxa_set_ac97_info(&mioa701_ac97_info);
  652. pm_power_off = mioa701_poweroff;
  653. platform_add_devices(devices, ARRAY_SIZE(devices));
  654. gsm_init();
  655. i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices));
  656. pxa_set_i2c_info(&i2c_pdata);
  657. pxa27x_set_i2c_power_info(NULL);
  658. pxa_set_camera_info(&mioa701_pxacamera_platform_data);
  659. }
  660. static void mioa701_machine_exit(void)
  661. {
  662. bootstrap_exit();
  663. gsm_exit();
  664. }
  665. MACHINE_START(MIOA701, "MIO A701")
  666. .atag_offset = 0x100,
  667. .map_io = &pxa27x_map_io,
  668. .nr_irqs = PXA_NR_IRQS,
  669. .init_irq = &pxa27x_init_irq,
  670. .handle_irq = &pxa27x_handle_irq,
  671. .init_machine = mioa701_machine_init,
  672. .init_time = pxa_timer_init,
  673. .restart = mioa701_restart,
  674. MACHINE_END