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.h>
  29. #include <linux/pwm_backlight.h>
  30. #include <linux/rtc.h>
  31. #include <linux/leds.h>
  32. #include <linux/gpio.h>
  33. #include <linux/interrupt.h>
  34. #include <linux/irq.h>
  35. #include <linux/pda_power.h>
  36. #include <linux/power_supply.h>
  37. #include <linux/wm97xx.h>
  38. #include <linux/mtd/physmap.h>
  39. #include <linux/usb/gpio_vbus.h>
  40. #include <linux/reboot.h>
  41. #include <linux/regulator/fixed.h>
  42. #include <linux/regulator/max1586.h>
  43. #include <linux/slab.h>
  44. #include <linux/platform_data/i2c-pxa.h>
  45. #include <asm/mach-types.h>
  46. #include <asm/mach/arch.h>
  47. #include "pxa27x.h"
  48. #include "regs-rtc.h"
  49. #include <linux/platform_data/keypad-pxa27x.h>
  50. #include <linux/platform_data/video-pxafb.h>
  51. #include <linux/platform_data/mmc-pxamci.h>
  52. #include "udc.h"
  53. #include "pxa27x-udc.h"
  54. #include <linux/platform_data/media/camera-pxa.h>
  55. #include <mach/audio.h>
  56. #include <mach/smemc.h>
  57. #include "mioa701.h"
  58. #include "generic.h"
  59. #include "devices.h"
  60. static unsigned long mioa701_pin_config[] = {
  61. /* Mio global */
  62. MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW),
  63. MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW),
  64. MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH),
  65. MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH),
  66. MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0),
  67. /* Backlight PWM 0 */
  68. GPIO16_PWM0_OUT,
  69. /* MMC */
  70. GPIO32_MMC_CLK,
  71. GPIO92_MMC_DAT_0,
  72. GPIO109_MMC_DAT_1,
  73. GPIO110_MMC_DAT_2,
  74. GPIO111_MMC_DAT_3,
  75. GPIO112_MMC_CMD,
  76. MIO_CFG_IN(GPIO78_SDIO_RO, AF0),
  77. MIO_CFG_IN(GPIO15_SDIO_INSERT, AF0),
  78. MIO_CFG_OUT(GPIO91_SDIO_EN, AF0, DRIVE_LOW),
  79. /* USB */
  80. MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0),
  81. MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW),
  82. /* LCD */
  83. GPIOxx_LCD_TFT_16BPP,
  84. /* QCI */
  85. GPIO12_CIF_DD_7,
  86. GPIO17_CIF_DD_6,
  87. GPIO50_CIF_DD_3,
  88. GPIO51_CIF_DD_2,
  89. GPIO52_CIF_DD_4,
  90. GPIO53_CIF_MCLK,
  91. GPIO54_CIF_PCLK,
  92. GPIO55_CIF_DD_1,
  93. GPIO81_CIF_DD_0,
  94. GPIO82_CIF_DD_5,
  95. GPIO84_CIF_FV,
  96. GPIO85_CIF_LV,
  97. MIO_CFG_OUT(GPIO56_MT9M111_nOE, AF0, DRIVE_LOW),
  98. /* Bluetooth */
  99. MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0),
  100. GPIO44_BTUART_CTS,
  101. GPIO42_BTUART_RXD,
  102. GPIO45_BTUART_RTS,
  103. GPIO43_BTUART_TXD,
  104. MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW),
  105. MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH),
  106. MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH),
  107. /* GPS */
  108. MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW),
  109. MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW),
  110. MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW),
  111. MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW),
  112. MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW),
  113. GPIO46_STUART_RXD,
  114. GPIO47_STUART_TXD,
  115. /* GSM */
  116. MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW),
  117. MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH),
  118. MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH),
  119. MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH),
  120. MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0),
  121. MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH,
  122. GPIO34_FFUART_RXD,
  123. GPIO35_FFUART_CTS,
  124. GPIO36_FFUART_DCD,
  125. GPIO37_FFUART_DSR,
  126. GPIO39_FFUART_TXD,
  127. GPIO40_FFUART_DTR,
  128. GPIO41_FFUART_RTS,
  129. /* Sound */
  130. GPIO28_AC97_BITCLK,
  131. GPIO29_AC97_SDATA_IN_0,
  132. GPIO30_AC97_SDATA_OUT,
  133. GPIO31_AC97_SYNC,
  134. GPIO89_AC97_SYSCLK,
  135. MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0),
  136. /* Leds */
  137. MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH),
  138. MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH),
  139. MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH),
  140. MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH),
  141. MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH),
  142. /* Keyboard */
  143. MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH,
  144. MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0),
  145. MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0),
  146. GPIO100_KP_MKIN_0,
  147. GPIO101_KP_MKIN_1,
  148. GPIO102_KP_MKIN_2,
  149. GPIO103_KP_MKOUT_0,
  150. GPIO104_KP_MKOUT_1,
  151. GPIO105_KP_MKOUT_2,
  152. /* I2C */
  153. GPIO117_I2C_SCL,
  154. GPIO118_I2C_SDA,
  155. /* Unknown */
  156. MFP_CFG_IN(GPIO20, AF0),
  157. MFP_CFG_IN(GPIO21, AF0),
  158. MFP_CFG_IN(GPIO33, AF0),
  159. MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH),
  160. MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH),
  161. MFP_CFG_IN(GPIO96, AF0),
  162. MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH),
  163. };
  164. static struct pwm_lookup mioa701_pwm_lookup[] = {
  165. PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight", NULL, 4000 * 1024,
  166. PWM_POLARITY_NORMAL),
  167. };
  168. /* LCD Screen and Backlight */
  169. static struct platform_pwm_backlight_data mioa701_backlight_data = {
  170. .max_brightness = 100,
  171. .dft_brightness = 50,
  172. .enable_gpio = -1,
  173. };
  174. /*
  175. * LTM0305A776C LCD panel timings
  176. *
  177. * see:
  178. * - the LTM0305A776C datasheet,
  179. * - and the PXA27x Programmers' manual
  180. */
  181. static struct pxafb_mode_info mioa701_ltm0305a776c = {
  182. .pixclock = 220000, /* CLK=4.545 MHz */
  183. .xres = 240,
  184. .yres = 320,
  185. .bpp = 16,
  186. .hsync_len = 4,
  187. .vsync_len = 2,
  188. .left_margin = 6,
  189. .right_margin = 4,
  190. .upper_margin = 5,
  191. .lower_margin = 3,
  192. };
  193. static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
  194. {
  195. gpio_set_value(GPIO87_LCD_POWER, on);
  196. }
  197. static struct pxafb_mach_info mioa701_pxafb_info = {
  198. .modes = &mioa701_ltm0305a776c,
  199. .num_modes = 1,
  200. .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
  201. .pxafb_lcd_power = mioa701_lcd_power,
  202. };
  203. /*
  204. * Keyboard configuration
  205. */
  206. static const unsigned int mioa701_matrix_keys[] = {
  207. KEY(0, 0, KEY_UP),
  208. KEY(0, 1, KEY_RIGHT),
  209. KEY(0, 2, KEY_MEDIA),
  210. KEY(1, 0, KEY_DOWN),
  211. KEY(1, 1, KEY_ENTER),
  212. KEY(1, 2, KEY_CONNECT), /* GPS key */
  213. KEY(2, 0, KEY_LEFT),
  214. KEY(2, 1, KEY_PHONE), /* Phone Green key */
  215. KEY(2, 2, KEY_CAMERA) /* Camera key */
  216. };
  217. static struct matrix_keymap_data mioa701_matrix_keymap_data = {
  218. .keymap = mioa701_matrix_keys,
  219. .keymap_size = ARRAY_SIZE(mioa701_matrix_keys),
  220. };
  221. static struct pxa27x_keypad_platform_data mioa701_keypad_info = {
  222. .matrix_key_rows = 3,
  223. .matrix_key_cols = 3,
  224. .matrix_keymap_data = &mioa701_matrix_keymap_data,
  225. };
  226. /*
  227. * GPIO Key Configuration
  228. */
  229. #define MIO_KEY(key, _gpio, _desc, _wakeup) \
  230. { .code = (key), .gpio = (_gpio), .active_low = 0, \
  231. .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) }
  232. static struct gpio_keys_button mioa701_button_table[] = {
  233. MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1),
  234. MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0),
  235. MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0),
  236. MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0)
  237. };
  238. static struct gpio_keys_platform_data mioa701_gpio_keys_data = {
  239. .buttons = mioa701_button_table,
  240. .nbuttons = ARRAY_SIZE(mioa701_button_table),
  241. };
  242. /*
  243. * Leds and vibrator
  244. */
  245. #define ONE_LED(_gpio, _name) \
  246. { .gpio = (_gpio), .name = (_name), .active_low = true }
  247. static struct gpio_led gpio_leds[] = {
  248. ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"),
  249. ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"),
  250. ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"),
  251. ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"),
  252. ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard")
  253. };
  254. static struct gpio_led_platform_data gpio_led_info = {
  255. .leds = gpio_leds,
  256. .num_leds = ARRAY_SIZE(gpio_leds),
  257. };
  258. /*
  259. * GSM Sagem XS200 chip
  260. *
  261. * GSM handling was purged from kernel. For history, this is the way to go :
  262. * - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1
  263. * GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1
  264. * - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100),
  265. * GPIO24_GSM_MOD_RESET_CMD = 0
  266. * - turn on : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000),
  267. * GPIO88_GSM_nMOD_ON_CMD = 1
  268. * - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000),
  269. * GPIO90_GSM_nMOD_OFF_CMD = 1
  270. */
  271. static int is_gsm_on(void)
  272. {
  273. int is_on;
  274. is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE);
  275. return is_on;
  276. }
  277. irqreturn_t gsm_on_irq(int irq, void *p)
  278. {
  279. printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n",
  280. is_gsm_on() ? "on" : "off");
  281. return IRQ_HANDLED;
  282. }
  283. static struct gpio gsm_gpios[] = {
  284. { GPIO25_GSM_MOD_ON_STATE, GPIOF_IN, "GSM state" },
  285. { GPIO113_GSM_EVENT, GPIOF_IN, "GSM event" },
  286. };
  287. static int __init gsm_init(void)
  288. {
  289. int rc;
  290. rc = gpio_request_array(ARRAY_AND_SIZE(gsm_gpios));
  291. if (rc)
  292. goto err_gpio;
  293. rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq,
  294. IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
  295. "GSM XS200 Power Irq", NULL);
  296. if (rc)
  297. goto err_irq;
  298. gpio_set_wake(GPIO113_GSM_EVENT, 1);
  299. return 0;
  300. err_irq:
  301. printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n");
  302. gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
  303. err_gpio:
  304. printk(KERN_ERR "Mioa701: gsm not available\n");
  305. return rc;
  306. }
  307. static void gsm_exit(void)
  308. {
  309. free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL);
  310. gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
  311. }
  312. /*
  313. * Bluetooth BRF6150 chip
  314. *
  315. * BT handling was purged from kernel. For history, this is the way to go :
  316. * - turn on : GPIO83_BT_ON = 1
  317. * - turn off : GPIO83_BT_ON = 0
  318. */
  319. /*
  320. * GPS Sirf Star III chip
  321. *
  322. * GPS handling was purged from kernel. For history, this is the way to go :
  323. * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
  324. * GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0
  325. * - turn on : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1
  326. * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
  327. */
  328. /*
  329. * USB UDC
  330. */
  331. static int is_usb_connected(void)
  332. {
  333. return !gpio_get_value(GPIO13_nUSB_DETECT);
  334. }
  335. static struct pxa2xx_udc_mach_info mioa701_udc_info = {
  336. .udc_is_connected = is_usb_connected,
  337. .gpio_pullup = GPIO22_USB_ENABLE,
  338. };
  339. struct gpio_vbus_mach_info gpio_vbus_data = {
  340. .gpio_vbus = GPIO13_nUSB_DETECT,
  341. .gpio_vbus_inverted = 1,
  342. .gpio_pullup = -1,
  343. };
  344. /*
  345. * SDIO/MMC Card controller
  346. */
  347. /**
  348. * The card detect interrupt isn't debounced so we delay it by 250ms
  349. * to give the card a chance to fully insert/eject.
  350. */
  351. static struct pxamci_platform_data mioa701_mci_info = {
  352. .detect_delay_ms = 250,
  353. .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
  354. .gpio_card_detect = GPIO15_SDIO_INSERT,
  355. .gpio_card_ro = GPIO78_SDIO_RO,
  356. .gpio_power = GPIO91_SDIO_EN,
  357. };
  358. /* FlashRAM */
  359. static struct resource docg3_resource = {
  360. .start = PXA_CS0_PHYS,
  361. .end = PXA_CS0_PHYS + SZ_8K - 1,
  362. .flags = IORESOURCE_MEM,
  363. };
  364. static struct platform_device docg3 = {
  365. .name = "docg3",
  366. .id = -1,
  367. .resource = &docg3_resource,
  368. .num_resources = 1,
  369. .dev = {
  370. .platform_data = NULL,
  371. },
  372. };
  373. /*
  374. * Suspend/Resume bootstrap management
  375. *
  376. * MIO A701 reboot sequence is highly ROM dependent. From the one dissassembled,
  377. * this sequence is as follows :
  378. * - disables interrupts
  379. * - initialize SDRAM (self refresh RAM into active RAM)
  380. * - initialize GPIOs (depends on value at 0xa020b020)
  381. * - initialize coprossessors
  382. * - if edge detect on PWR_SCL(GPIO3), then proceed to cold start
  383. * - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start
  384. * - else do a resume, ie. jump to addr 0xa0100000
  385. */
  386. #define RESUME_ENABLE_ADDR 0xa020b000
  387. #define RESUME_ENABLE_VAL 0x0f0f0f0f
  388. #define RESUME_BT_ADDR 0xa020b020
  389. #define RESUME_UNKNOWN_ADDR 0xa020b024
  390. #define RESUME_VECTOR_ADDR 0xa0100000
  391. #define BOOTSTRAP_WORDS mioa701_bootstrap_lg/4
  392. static u32 *save_buffer;
  393. static void install_bootstrap(void)
  394. {
  395. int i;
  396. u32 *rom_bootstrap = phys_to_virt(RESUME_VECTOR_ADDR);
  397. u32 *src = &mioa701_bootstrap;
  398. for (i = 0; i < BOOTSTRAP_WORDS; i++)
  399. rom_bootstrap[i] = src[i];
  400. }
  401. static int mioa701_sys_suspend(void)
  402. {
  403. int i = 0, is_bt_on;
  404. u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
  405. u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
  406. u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
  407. u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
  408. /* Devices prepare suspend */
  409. is_bt_on = !!gpio_get_value(GPIO83_BT_ON);
  410. pxa2xx_mfp_set_lpm(GPIO83_BT_ON,
  411. is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW);
  412. for (i = 0; i < BOOTSTRAP_WORDS; i++)
  413. save_buffer[i] = mem_resume_vector[i];
  414. save_buffer[i++] = *mem_resume_enabler;
  415. save_buffer[i++] = *mem_resume_bt;
  416. save_buffer[i++] = *mem_resume_unknown;
  417. *mem_resume_enabler = RESUME_ENABLE_VAL;
  418. *mem_resume_bt = is_bt_on;
  419. install_bootstrap();
  420. return 0;
  421. }
  422. static void mioa701_sys_resume(void)
  423. {
  424. int i = 0;
  425. u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
  426. u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
  427. u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
  428. u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
  429. for (i = 0; i < BOOTSTRAP_WORDS; i++)
  430. mem_resume_vector[i] = save_buffer[i];
  431. *mem_resume_enabler = save_buffer[i++];
  432. *mem_resume_bt = save_buffer[i++];
  433. *mem_resume_unknown = save_buffer[i++];
  434. }
  435. static struct syscore_ops mioa701_syscore_ops = {
  436. .suspend = mioa701_sys_suspend,
  437. .resume = mioa701_sys_resume,
  438. };
  439. static int __init bootstrap_init(void)
  440. {
  441. int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3);
  442. register_syscore_ops(&mioa701_syscore_ops);
  443. save_buffer = kmalloc(save_size, GFP_KERNEL);
  444. if (!save_buffer)
  445. return -ENOMEM;
  446. printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n",
  447. save_size);
  448. return 0;
  449. }
  450. static void bootstrap_exit(void)
  451. {
  452. kfree(save_buffer);
  453. unregister_syscore_ops(&mioa701_syscore_ops);
  454. printk(KERN_CRIT "Unregistering mioa701 suspend will hang next"
  455. "resume !!!\n");
  456. }
  457. /*
  458. * Power Supply
  459. */
  460. static char *supplicants[] = {
  461. "mioa701_battery"
  462. };
  463. static int is_ac_connected(void)
  464. {
  465. return gpio_get_value(GPIO96_AC_DETECT);
  466. }
  467. static void mioa701_set_charge(int flags)
  468. {
  469. gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB));
  470. }
  471. static struct pda_power_pdata power_pdata = {
  472. .is_ac_online = is_ac_connected,
  473. .is_usb_online = is_usb_connected,
  474. .set_charge = mioa701_set_charge,
  475. .supplied_to = supplicants,
  476. .num_supplicants = ARRAY_SIZE(supplicants),
  477. };
  478. static struct resource power_resources[] = {
  479. [0] = {
  480. .name = "ac",
  481. .start = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
  482. .end = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
  483. .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
  484. IORESOURCE_IRQ_LOWEDGE,
  485. },
  486. [1] = {
  487. .name = "usb",
  488. .start = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
  489. .end = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
  490. .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
  491. IORESOURCE_IRQ_LOWEDGE,
  492. },
  493. };
  494. static struct platform_device power_dev = {
  495. .name = "pda-power",
  496. .id = -1,
  497. .resource = power_resources,
  498. .num_resources = ARRAY_SIZE(power_resources),
  499. .dev = {
  500. .platform_data = &power_pdata,
  501. },
  502. };
  503. static struct wm97xx_batt_pdata mioa701_battery_data = {
  504. .batt_aux = WM97XX_AUX_ID1,
  505. .temp_aux = -1,
  506. .charge_gpio = -1,
  507. .min_voltage = 0xc00,
  508. .max_voltage = 0xfc0,
  509. .batt_tech = POWER_SUPPLY_TECHNOLOGY_LION,
  510. .batt_div = 1,
  511. .batt_mult = 1,
  512. .batt_name = "mioa701_battery",
  513. };
  514. static struct wm97xx_pdata mioa701_wm97xx_pdata = {
  515. .batt_pdata = &mioa701_battery_data,
  516. };
  517. /*
  518. * Voltage regulation
  519. */
  520. static struct regulator_consumer_supply max1586_consumers[] = {
  521. REGULATOR_SUPPLY("vcc_core", NULL),
  522. };
  523. static struct regulator_init_data max1586_v3_info = {
  524. .constraints = {
  525. .name = "vcc_core range",
  526. .min_uV = 1000000,
  527. .max_uV = 1705000,
  528. .always_on = 1,
  529. .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
  530. },
  531. .num_consumer_supplies = ARRAY_SIZE(max1586_consumers),
  532. .consumer_supplies = max1586_consumers,
  533. };
  534. static struct max1586_subdev_data max1586_subdevs[] = {
  535. { .name = "vcc_core", .id = MAX1586_V3,
  536. .platform_data = &max1586_v3_info },
  537. };
  538. static struct max1586_platform_data max1586_info = {
  539. .subdevs = max1586_subdevs,
  540. .num_subdevs = ARRAY_SIZE(max1586_subdevs),
  541. .v3_gain = MAX1586_GAIN_NO_R24, /* 700..1475 mV */
  542. };
  543. /*
  544. * Camera interface
  545. */
  546. struct pxacamera_platform_data mioa701_pxacamera_platform_data = {
  547. .flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
  548. PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
  549. .mclk_10khz = 5000,
  550. .sensor_i2c_adapter_id = 0,
  551. .sensor_i2c_address = 0x5d,
  552. };
  553. static struct i2c_board_info __initdata mioa701_pi2c_devices[] = {
  554. {
  555. I2C_BOARD_INFO("max1586", 0x14),
  556. .platform_data = &max1586_info,
  557. },
  558. };
  559. /* Board I2C devices. */
  560. static struct i2c_board_info mioa701_i2c_devices[] = {
  561. {
  562. I2C_BOARD_INFO("mt9m111", 0x5d),
  563. },
  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. 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_board,
  605. };
  606. static void mioa701_machine_exit(void);
  607. static void mioa701_poweroff(void)
  608. {
  609. mioa701_machine_exit();
  610. pxa_restart(REBOOT_SOFT, NULL);
  611. }
  612. static void mioa701_restart(enum reboot_mode c, const char *cmd)
  613. {
  614. mioa701_machine_exit();
  615. pxa_restart(REBOOT_SOFT, cmd);
  616. }
  617. static struct gpio global_gpios[] = {
  618. { GPIO9_CHARGE_EN, GPIOF_OUT_INIT_HIGH, "Charger enable" },
  619. { GPIO18_POWEROFF, GPIOF_OUT_INIT_LOW, "Power Off" },
  620. { GPIO87_LCD_POWER, GPIOF_OUT_INIT_LOW, "LCD Power" },
  621. { GPIO56_MT9M111_nOE, GPIOF_OUT_INIT_LOW, "Camera nOE" },
  622. };
  623. static struct regulator_consumer_supply fixed_5v0_consumers[] = {
  624. REGULATOR_SUPPLY("power", "pwm-backlight"),
  625. };
  626. static void __init mioa701_machine_init(void)
  627. {
  628. int rc;
  629. PSLR = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */
  630. PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE;
  631. RTTR = 32768 - 1; /* Reset crazy WinCE value */
  632. UP2OCR = UP2OCR_HXOE;
  633. /*
  634. * Set up the flash memory : DiskOnChip G3 on first static memory bank
  635. */
  636. __raw_writel(0x7ff02dd8, MSC0);
  637. __raw_writel(0x0001c391, MCMEM0);
  638. __raw_writel(0x0001c391, MCATT0);
  639. __raw_writel(0x0001c391, MCIO0);
  640. pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
  641. pxa_set_ffuart_info(NULL);
  642. pxa_set_btuart_info(NULL);
  643. pxa_set_stuart_info(NULL);
  644. rc = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
  645. if (rc)
  646. pr_err("MioA701: Failed to request GPIOs: %d", rc);
  647. bootstrap_init();
  648. pxa_set_fb_info(NULL, &mioa701_pxafb_info);
  649. pxa_set_mci_info(&mioa701_mci_info);
  650. pxa_set_keypad_info(&mioa701_keypad_info);
  651. pxa_set_udc_info(&mioa701_udc_info);
  652. pxa_set_ac97_info(&mioa701_ac97_info);
  653. pm_power_off = mioa701_poweroff;
  654. pwm_add_table(mioa701_pwm_lookup, ARRAY_SIZE(mioa701_pwm_lookup));
  655. platform_add_devices(devices, ARRAY_SIZE(devices));
  656. gsm_init();
  657. i2c_register_board_info(0, ARRAY_AND_SIZE(mioa701_i2c_devices));
  658. i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices));
  659. pxa_set_i2c_info(&i2c_pdata);
  660. pxa27x_set_i2c_power_info(NULL);
  661. pxa_set_camera_info(&mioa701_pxacamera_platform_data);
  662. regulator_register_always_on(0, "fixed-5.0V", fixed_5v0_consumers,
  663. ARRAY_SIZE(fixed_5v0_consumers),
  664. 5000000);
  665. regulator_has_full_constraints();
  666. }
  667. static void mioa701_machine_exit(void)
  668. {
  669. bootstrap_exit();
  670. gsm_exit();
  671. }
  672. MACHINE_START(MIOA701, "MIO A701")
  673. .atag_offset = 0x100,
  674. .map_io = &pxa27x_map_io,
  675. .nr_irqs = PXA_NR_IRQS,
  676. .init_irq = &pxa27x_init_irq,
  677. .handle_irq = &pxa27x_handle_irq,
  678. .init_machine = mioa701_machine_init,
  679. .init_time = pxa_timer_init,
  680. .restart = mioa701_restart,
  681. MACHINE_END