mioa701.c 20 KB

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  1. // SPDX-License-Identifier: GPL-2.0-or-later
  2. /*
  3. * Handles the Mitac Mio A701 Board
  4. *
  5. * Copyright (C) 2008 Robert Jarzmik
  6. */
  7. #include <linux/kernel.h>
  8. #include <linux/init.h>
  9. #include <linux/platform_device.h>
  10. #include <linux/syscore_ops.h>
  11. #include <linux/input.h>
  12. #include <linux/delay.h>
  13. #include <linux/gpio_keys.h>
  14. #include <linux/pwm.h>
  15. #include <linux/pwm_backlight.h>
  16. #include <linux/rtc.h>
  17. #include <linux/leds.h>
  18. #include <linux/gpio.h>
  19. #include <linux/gpio/machine.h>
  20. #include <linux/interrupt.h>
  21. #include <linux/irq.h>
  22. #include <linux/pda_power.h>
  23. #include <linux/power_supply.h>
  24. #include <linux/wm97xx.h>
  25. #include <linux/mtd/physmap.h>
  26. #include <linux/reboot.h>
  27. #include <linux/regulator/fixed.h>
  28. #include <linux/regulator/max1586.h>
  29. #include <linux/slab.h>
  30. #include <linux/platform_data/i2c-pxa.h>
  31. #include <asm/mach-types.h>
  32. #include <asm/mach/arch.h>
  33. #include "pxa27x.h"
  34. #include "regs-rtc.h"
  35. #include <linux/platform_data/keypad-pxa27x.h>
  36. #include <linux/platform_data/video-pxafb.h>
  37. #include <linux/platform_data/mmc-pxamci.h>
  38. #include "udc.h"
  39. #include "pxa27x-udc.h"
  40. #include <linux/platform_data/media/camera-pxa.h>
  41. #include <linux/platform_data/asoc-pxa.h>
  42. #include "smemc.h"
  43. #include "mioa701.h"
  44. #include "generic.h"
  45. #include "devices.h"
  46. static unsigned long mioa701_pin_config[] = {
  47. /* Mio global */
  48. MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW),
  49. MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW),
  50. MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH),
  51. MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH),
  52. MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0),
  53. /* Backlight PWM 0 */
  54. GPIO16_PWM0_OUT,
  55. /* MMC */
  56. GPIO32_MMC_CLK,
  57. GPIO92_MMC_DAT_0,
  58. GPIO109_MMC_DAT_1,
  59. GPIO110_MMC_DAT_2,
  60. GPIO111_MMC_DAT_3,
  61. GPIO112_MMC_CMD,
  62. MIO_CFG_IN(GPIO78_SDIO_RO, AF0),
  63. MIO_CFG_IN(GPIO15_SDIO_INSERT, AF0),
  64. MIO_CFG_OUT(GPIO91_SDIO_EN, AF0, DRIVE_LOW),
  65. /* USB */
  66. MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0),
  67. MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW),
  68. /* LCD */
  69. GPIOxx_LCD_TFT_16BPP,
  70. /* QCI */
  71. GPIO12_CIF_DD_7,
  72. GPIO17_CIF_DD_6,
  73. GPIO50_CIF_DD_3,
  74. GPIO51_CIF_DD_2,
  75. GPIO52_CIF_DD_4,
  76. GPIO53_CIF_MCLK,
  77. GPIO54_CIF_PCLK,
  78. GPIO55_CIF_DD_1,
  79. GPIO81_CIF_DD_0,
  80. GPIO82_CIF_DD_5,
  81. GPIO84_CIF_FV,
  82. GPIO85_CIF_LV,
  83. MIO_CFG_OUT(GPIO56_MT9M111_nOE, AF0, DRIVE_LOW),
  84. /* Bluetooth */
  85. MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0),
  86. GPIO44_BTUART_CTS,
  87. GPIO42_BTUART_RXD,
  88. GPIO45_BTUART_RTS,
  89. GPIO43_BTUART_TXD,
  90. MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW),
  91. MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH),
  92. MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH),
  93. /* GPS */
  94. MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW),
  95. MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW),
  96. MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW),
  97. MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW),
  98. MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW),
  99. GPIO46_STUART_RXD,
  100. GPIO47_STUART_TXD,
  101. /* GSM */
  102. MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW),
  103. MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH),
  104. MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH),
  105. MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH),
  106. MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0),
  107. MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH,
  108. GPIO34_FFUART_RXD,
  109. GPIO35_FFUART_CTS,
  110. GPIO36_FFUART_DCD,
  111. GPIO37_FFUART_DSR,
  112. GPIO39_FFUART_TXD,
  113. GPIO40_FFUART_DTR,
  114. GPIO41_FFUART_RTS,
  115. /* Sound */
  116. GPIO28_AC97_BITCLK,
  117. GPIO29_AC97_SDATA_IN_0,
  118. GPIO30_AC97_SDATA_OUT,
  119. GPIO31_AC97_SYNC,
  120. GPIO89_AC97_SYSCLK,
  121. MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0),
  122. /* Leds */
  123. MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH),
  124. MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH),
  125. MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH),
  126. MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH),
  127. MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH),
  128. /* Keyboard */
  129. MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH,
  130. MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0),
  131. MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0),
  132. GPIO100_KP_MKIN_0,
  133. GPIO101_KP_MKIN_1,
  134. GPIO102_KP_MKIN_2,
  135. GPIO103_KP_MKOUT_0,
  136. GPIO104_KP_MKOUT_1,
  137. GPIO105_KP_MKOUT_2,
  138. /* I2C */
  139. GPIO117_I2C_SCL,
  140. GPIO118_I2C_SDA,
  141. /* Unknown */
  142. MFP_CFG_IN(GPIO20, AF0),
  143. MFP_CFG_IN(GPIO21, AF0),
  144. MFP_CFG_IN(GPIO33, AF0),
  145. MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH),
  146. MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH),
  147. MFP_CFG_IN(GPIO96, AF0),
  148. MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH),
  149. };
  150. static struct pwm_lookup mioa701_pwm_lookup[] = {
  151. PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight", NULL, 4000 * 1024,
  152. PWM_POLARITY_NORMAL),
  153. };
  154. /* LCD Screen and Backlight */
  155. static struct platform_pwm_backlight_data mioa701_backlight_data = {
  156. .max_brightness = 100,
  157. .dft_brightness = 50,
  158. };
  159. /*
  160. * LTM0305A776C LCD panel timings
  161. *
  162. * see:
  163. * - the LTM0305A776C datasheet,
  164. * - and the PXA27x Programmers' manual
  165. */
  166. static struct pxafb_mode_info mioa701_ltm0305a776c = {
  167. .pixclock = 220000, /* CLK=4.545 MHz */
  168. .xres = 240,
  169. .yres = 320,
  170. .bpp = 16,
  171. .hsync_len = 4,
  172. .vsync_len = 2,
  173. .left_margin = 6,
  174. .right_margin = 4,
  175. .upper_margin = 5,
  176. .lower_margin = 3,
  177. };
  178. static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
  179. {
  180. gpio_set_value(GPIO87_LCD_POWER, on);
  181. }
  182. static struct pxafb_mach_info mioa701_pxafb_info = {
  183. .modes = &mioa701_ltm0305a776c,
  184. .num_modes = 1,
  185. .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
  186. .pxafb_lcd_power = mioa701_lcd_power,
  187. };
  188. /*
  189. * Keyboard configuration
  190. */
  191. static const unsigned int mioa701_matrix_keys[] = {
  192. KEY(0, 0, KEY_UP),
  193. KEY(0, 1, KEY_RIGHT),
  194. KEY(0, 2, KEY_MEDIA),
  195. KEY(1, 0, KEY_DOWN),
  196. KEY(1, 1, KEY_ENTER),
  197. KEY(1, 2, KEY_CONNECT), /* GPS key */
  198. KEY(2, 0, KEY_LEFT),
  199. KEY(2, 1, KEY_PHONE), /* Phone Green key */
  200. KEY(2, 2, KEY_CAMERA) /* Camera key */
  201. };
  202. static struct matrix_keymap_data mioa701_matrix_keymap_data = {
  203. .keymap = mioa701_matrix_keys,
  204. .keymap_size = ARRAY_SIZE(mioa701_matrix_keys),
  205. };
  206. static struct pxa27x_keypad_platform_data mioa701_keypad_info = {
  207. .matrix_key_rows = 3,
  208. .matrix_key_cols = 3,
  209. .matrix_keymap_data = &mioa701_matrix_keymap_data,
  210. };
  211. /*
  212. * GPIO Key Configuration
  213. */
  214. #define MIO_KEY(key, _gpio, _desc, _wakeup) \
  215. { .code = (key), .gpio = (_gpio), .active_low = 0, \
  216. .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) }
  217. static struct gpio_keys_button mioa701_button_table[] = {
  218. MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1),
  219. MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0),
  220. MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0),
  221. MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0)
  222. };
  223. static struct gpio_keys_platform_data mioa701_gpio_keys_data = {
  224. .buttons = mioa701_button_table,
  225. .nbuttons = ARRAY_SIZE(mioa701_button_table),
  226. };
  227. /*
  228. * Leds and vibrator
  229. */
  230. #define ONE_LED(_gpio, _name) \
  231. { .gpio = (_gpio), .name = (_name), .active_low = true }
  232. static struct gpio_led gpio_leds[] = {
  233. ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"),
  234. ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"),
  235. ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"),
  236. ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"),
  237. ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard")
  238. };
  239. static struct gpio_led_platform_data gpio_led_info = {
  240. .leds = gpio_leds,
  241. .num_leds = ARRAY_SIZE(gpio_leds),
  242. };
  243. /*
  244. * GSM Sagem XS200 chip
  245. *
  246. * GSM handling was purged from kernel. For history, this is the way to go :
  247. * - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1
  248. * GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1
  249. * - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100),
  250. * GPIO24_GSM_MOD_RESET_CMD = 0
  251. * - turn on : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000),
  252. * GPIO88_GSM_nMOD_ON_CMD = 1
  253. * - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000),
  254. * GPIO90_GSM_nMOD_OFF_CMD = 1
  255. */
  256. static int is_gsm_on(void)
  257. {
  258. int is_on;
  259. is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE);
  260. return is_on;
  261. }
  262. irqreturn_t gsm_on_irq(int irq, void *p)
  263. {
  264. printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n",
  265. is_gsm_on() ? "on" : "off");
  266. return IRQ_HANDLED;
  267. }
  268. static struct gpio gsm_gpios[] = {
  269. { GPIO25_GSM_MOD_ON_STATE, GPIOF_IN, "GSM state" },
  270. { GPIO113_GSM_EVENT, GPIOF_IN, "GSM event" },
  271. };
  272. static int __init gsm_init(void)
  273. {
  274. int rc;
  275. rc = gpio_request_array(ARRAY_AND_SIZE(gsm_gpios));
  276. if (rc)
  277. goto err_gpio;
  278. rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq,
  279. IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
  280. "GSM XS200 Power Irq", NULL);
  281. if (rc)
  282. goto err_irq;
  283. gpio_set_wake(GPIO113_GSM_EVENT, 1);
  284. return 0;
  285. err_irq:
  286. printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n");
  287. gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
  288. err_gpio:
  289. printk(KERN_ERR "Mioa701: gsm not available\n");
  290. return rc;
  291. }
  292. static void gsm_exit(void)
  293. {
  294. free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL);
  295. gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
  296. }
  297. /*
  298. * Bluetooth BRF6150 chip
  299. *
  300. * BT handling was purged from kernel. For history, this is the way to go :
  301. * - turn on : GPIO83_BT_ON = 1
  302. * - turn off : GPIO83_BT_ON = 0
  303. */
  304. /*
  305. * GPS Sirf Star III chip
  306. *
  307. * GPS handling was purged from kernel. For history, this is the way to go :
  308. * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
  309. * GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0
  310. * - turn on : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1
  311. * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
  312. */
  313. /*
  314. * USB UDC
  315. */
  316. static int is_usb_connected(void)
  317. {
  318. return !gpio_get_value(GPIO13_nUSB_DETECT);
  319. }
  320. static struct pxa2xx_udc_mach_info mioa701_udc_info = {
  321. .udc_is_connected = is_usb_connected,
  322. .gpio_pullup = GPIO22_USB_ENABLE,
  323. };
  324. static struct gpiod_lookup_table gpio_vbus_gpiod_table = {
  325. .dev_id = "gpio-vbus",
  326. .table = {
  327. GPIO_LOOKUP("gpio-pxa", GPIO13_nUSB_DETECT,
  328. "vbus", GPIO_ACTIVE_LOW),
  329. { },
  330. },
  331. };
  332. /*
  333. * SDIO/MMC Card controller
  334. */
  335. /**
  336. * The card detect interrupt isn't debounced so we delay it by 250ms
  337. * to give the card a chance to fully insert/eject.
  338. */
  339. static struct pxamci_platform_data mioa701_mci_info = {
  340. .detect_delay_ms = 250,
  341. .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
  342. };
  343. static struct gpiod_lookup_table mioa701_mci_gpio_table = {
  344. .dev_id = "pxa2xx-mci.0",
  345. .table = {
  346. /* Card detect on GPIO 15 */
  347. GPIO_LOOKUP("gpio-pxa", GPIO15_SDIO_INSERT,
  348. "cd", GPIO_ACTIVE_LOW),
  349. /* Write protect on GPIO 78 */
  350. GPIO_LOOKUP("gpio-pxa", GPIO78_SDIO_RO,
  351. "wp", GPIO_ACTIVE_LOW),
  352. /* Power on GPIO 91 */
  353. GPIO_LOOKUP("gpio-pxa", GPIO91_SDIO_EN,
  354. "power", GPIO_ACTIVE_HIGH),
  355. { },
  356. },
  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. .min_voltage = 0xc00,
  507. .max_voltage = 0xfc0,
  508. .batt_tech = POWER_SUPPLY_TECHNOLOGY_LION,
  509. .batt_div = 1,
  510. .batt_mult = 1,
  511. .batt_name = "mioa701_battery",
  512. };
  513. static struct wm97xx_pdata mioa701_wm97xx_pdata = {
  514. .batt_pdata = &mioa701_battery_data,
  515. };
  516. /*
  517. * Voltage regulation
  518. */
  519. static struct regulator_consumer_supply max1586_consumers[] = {
  520. REGULATOR_SUPPLY("vcc_core", NULL),
  521. };
  522. static struct regulator_init_data max1586_v3_info = {
  523. .constraints = {
  524. .name = "vcc_core range",
  525. .min_uV = 1000000,
  526. .max_uV = 1705000,
  527. .always_on = 1,
  528. .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
  529. },
  530. .num_consumer_supplies = ARRAY_SIZE(max1586_consumers),
  531. .consumer_supplies = max1586_consumers,
  532. };
  533. static struct max1586_subdev_data max1586_subdevs[] = {
  534. { .name = "vcc_core", .id = MAX1586_V3,
  535. .platform_data = &max1586_v3_info },
  536. };
  537. static struct max1586_platform_data max1586_info = {
  538. .subdevs = max1586_subdevs,
  539. .num_subdevs = ARRAY_SIZE(max1586_subdevs),
  540. .v3_gain = MAX1586_GAIN_NO_R24, /* 700..1475 mV */
  541. };
  542. /*
  543. * Camera interface
  544. */
  545. struct pxacamera_platform_data mioa701_pxacamera_platform_data = {
  546. .flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
  547. PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
  548. .mclk_10khz = 5000,
  549. .sensor_i2c_adapter_id = 0,
  550. .sensor_i2c_address = 0x5d,
  551. };
  552. static struct i2c_board_info __initdata mioa701_pi2c_devices[] = {
  553. {
  554. I2C_BOARD_INFO("max1586", 0x14),
  555. .platform_data = &max1586_info,
  556. },
  557. };
  558. /* Board I2C devices. */
  559. static struct i2c_board_info mioa701_i2c_devices[] = {
  560. {
  561. I2C_BOARD_INFO("mt9m111", 0x5d),
  562. },
  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", NULL);
  594. static struct platform_device *devices[] __initdata = {
  595. &mioa701_gpio_keys,
  596. &mioa701_backlight,
  597. &mioa701_led,
  598. &pxa2xx_pcm,
  599. &mioa701_sound,
  600. &power_dev,
  601. &docg3,
  602. &gpio_vbus,
  603. &mioa701_board,
  604. };
  605. static void mioa701_machine_exit(void);
  606. static void mioa701_poweroff(void)
  607. {
  608. mioa701_machine_exit();
  609. pxa_restart(REBOOT_SOFT, NULL);
  610. }
  611. static void mioa701_restart(enum reboot_mode c, const char *cmd)
  612. {
  613. mioa701_machine_exit();
  614. pxa_restart(REBOOT_SOFT, cmd);
  615. }
  616. static struct gpio global_gpios[] = {
  617. { GPIO9_CHARGE_EN, GPIOF_OUT_INIT_HIGH, "Charger enable" },
  618. { GPIO18_POWEROFF, GPIOF_OUT_INIT_LOW, "Power Off" },
  619. { GPIO87_LCD_POWER, GPIOF_OUT_INIT_LOW, "LCD Power" },
  620. { GPIO56_MT9M111_nOE, GPIOF_OUT_INIT_LOW, "Camera nOE" },
  621. };
  622. static struct regulator_consumer_supply fixed_5v0_consumers[] = {
  623. REGULATOR_SUPPLY("power", "pwm-backlight"),
  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. gpiod_add_lookup_table(&mioa701_mci_gpio_table);
  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. gpiod_add_lookup_table(&gpio_vbus_gpiod_table);
  656. platform_add_devices(devices, ARRAY_SIZE(devices));
  657. gsm_init();
  658. i2c_register_board_info(0, ARRAY_AND_SIZE(mioa701_i2c_devices));
  659. i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices));
  660. pxa_set_i2c_info(&i2c_pdata);
  661. pxa27x_set_i2c_power_info(NULL);
  662. pxa_set_camera_info(&mioa701_pxacamera_platform_data);
  663. regulator_register_always_on(0, "fixed-5.0V", fixed_5v0_consumers,
  664. ARRAY_SIZE(fixed_5v0_consumers),
  665. 5000000);
  666. regulator_has_full_constraints();
  667. }
  668. static void mioa701_machine_exit(void)
  669. {
  670. bootstrap_exit();
  671. gsm_exit();
  672. }
  673. MACHINE_START(MIOA701, "MIO A701")
  674. .atag_offset = 0x100,
  675. .map_io = &pxa27x_map_io,
  676. .nr_irqs = PXA_NR_IRQS,
  677. .init_irq = &pxa27x_init_irq,
  678. .handle_irq = &pxa27x_handle_irq,
  679. .init_machine = mioa701_machine_init,
  680. .init_time = pxa_timer_init,
  681. .restart = mioa701_restart,
  682. MACHINE_END