arch/arm/mach-pxa/mioa701.c

   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
  22 #include <linux/kernel.h>
  23 #include <linux/init.h>
  24 #include <linux/platform_device.h>
  25 #include <linux/syscore_ops.h>
  26 #include <linux/input.h>
  27 #include <linux/delay.h>
  28 #include <linux/gpio_keys.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/regulator/max1586.h>
  41 #include <linux/slab.h>
  42 #include <linux/i2c/pxa-i2c.h>
  43
  44 #include <asm/mach-types.h>
  45 #include <asm/mach/arch.h>
  46
  47 #include <mach/pxa27x.h>
  48 #include <mach/regs-rtc.h>
  49 #include <plat/pxa27x_keypad.h>
  50 #include <mach/pxafb.h>
  51 #include <mach/mmc.h>
  52 #include <mach/udc.h>
  53 #include <mach/pxa27x-udc.h>
  54 #include <mach/camera.h>
  55 #include <mach/audio.h>
  56 #include <media/soc_camera.h>
  57
  58 #include <mach/mioa701.h>
  59
  60 #include "generic.h"
  61 #include "devices.h"
  62
  63 static unsigned long mioa701_pin_config[] = {
  64         /* Mio global */
  65         MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW),
  66         MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW),
  67         MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH),
  68         MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH),
  69         MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0),
  70
  71         /* Backlight PWM 0 */
  72         GPIO16_PWM0_OUT,
  73
  74         /* MMC */
  75         GPIO32_MMC_CLK,
  76         GPIO92_MMC_DAT_0,
  77         GPIO109_MMC_DAT_1,
  78         GPIO110_MMC_DAT_2,
  79         GPIO111_MMC_DAT_3,
  80         GPIO112_MMC_CMD,
  81         MIO_CFG_IN(GPIO78_SDIO_RO, AF0),
  82         MIO_CFG_IN(GPIO15_SDIO_INSERT, AF0),
  83         MIO_CFG_OUT(GPIO91_SDIO_EN, AF0, DRIVE_LOW),
  84
  85         /* USB */
  86         MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0),
  87         MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW),
  88
  89         /* LCD */
  90         GPIOxx_LCD_TFT_16BPP,
  91
  92         /* QCI */
  93         GPIO12_CIF_DD_7,
  94         GPIO17_CIF_DD_6,
  95         GPIO50_CIF_DD_3,
  96         GPIO51_CIF_DD_2,
  97         GPIO52_CIF_DD_4,
  98         GPIO53_CIF_MCLK,
  99         GPIO54_CIF_PCLK,
 100         GPIO55_CIF_DD_1,
 101         GPIO81_CIF_DD_0,
 102         GPIO82_CIF_DD_5,
 103         GPIO84_CIF_FV,
 104         GPIO85_CIF_LV,
 105
 106         /* Bluetooth */
 107         MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0),
 108         GPIO44_BTUART_CTS,
 109         GPIO42_BTUART_RXD,
 110         GPIO45_BTUART_RTS,
 111         GPIO43_BTUART_TXD,
 112         MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW),
 113         MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH),
 114         MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH),
 115
 116         /* GPS */
 117         MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW),
 118         MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW),
 119         MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW),
 120         MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW),
 121         MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW),
 122         GPIO46_STUART_RXD,
 123         GPIO47_STUART_TXD,
 124
 125         /* GSM */
 126         MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW),
 127         MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH),
 128         MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH),
 129         MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH),
 130         MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0),
 131         MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH,
 132         GPIO34_FFUART_RXD,
 133         GPIO35_FFUART_CTS,
 134         GPIO36_FFUART_DCD,
 135         GPIO37_FFUART_DSR,
 136         GPIO39_FFUART_TXD,
 137         GPIO40_FFUART_DTR,
 138         GPIO41_FFUART_RTS,
 139
 140         /* Sound */
 141         GPIO28_AC97_BITCLK,
 142         GPIO29_AC97_SDATA_IN_0,
 143         GPIO30_AC97_SDATA_OUT,
 144         GPIO31_AC97_SYNC,
 145         GPIO89_AC97_SYSCLK,
 146         MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0),
 147
 148         /* Leds */
 149         MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH),
 150         MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH),
 151         MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH),
 152         MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH),
 153         MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH),
 154
 155         /* Keyboard */
 156         MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH,
 157         MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0),
 158         MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0),
 159         GPIO100_KP_MKIN_0,
 160         GPIO101_KP_MKIN_1,
 161         GPIO102_KP_MKIN_2,
 162         GPIO103_KP_MKOUT_0,
 163         GPIO104_KP_MKOUT_1,
 164         GPIO105_KP_MKOUT_2,
 165
 166         /* I2C */
 167         GPIO117_I2C_SCL,
 168         GPIO118_I2C_SDA,
 169
 170         /* Unknown */
 171         MFP_CFG_IN(GPIO20, AF0),
 172         MFP_CFG_IN(GPIO21, AF0),
 173         MFP_CFG_IN(GPIO33, AF0),
 174         MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH),
 175         MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH),
 176         MFP_CFG_IN(GPIO96, AF0),
 177         MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH),
 178 };
 179
 180 /* LCD Screen and Backlight */
 181 static struct platform_pwm_backlight_data mioa701_backlight_data = {
 182         .pwm_id         = 0,
 183         .max_brightness = 100,
 184         .dft_brightness = 50,
 185         .pwm_period_ns  = 4000 * 1024,  /* Fl = 250kHz */
 186 };
 187
 188 /*
 189  * LTM0305A776C LCD panel timings
 190  *
 191  * see:
 192  *  - the LTM0305A776C datasheet,
 193  *  - and the PXA27x Programmers' manual
 194  */
 195 static struct pxafb_mode_info mioa701_ltm0305a776c = {
 196         .pixclock               = 220000,       /* CLK=4.545 MHz */
 197         .xres                   = 240,
 198         .yres                   = 320,
 199         .bpp                    = 16,
 200         .hsync_len              = 4,
 201         .vsync_len              = 2,
 202         .left_margin            = 6,
 203         .right_margin           = 4,
 204         .upper_margin           = 5,
 205         .lower_margin           = 3,
 206 };
 207
 208 static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
 209 {
 210         gpio_set_value(GPIO87_LCD_POWER, on);
 211 }
 212
 213 static struct pxafb_mach_info mioa701_pxafb_info = {
 214         .modes                  = &mioa701_ltm0305a776c,
 215         .num_modes              = 1,
 216         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 217         .pxafb_lcd_power        = mioa701_lcd_power,
 218 };
 219
 220 /*
 221  * Keyboard configuration
 222  */
 223 static unsigned int mioa701_matrix_keys[] = {
 224         KEY(0, 0, KEY_UP),
 225         KEY(0, 1, KEY_RIGHT),
 226         KEY(0, 2, KEY_MEDIA),
 227         KEY(1, 0, KEY_DOWN),
 228         KEY(1, 1, KEY_ENTER),
 229         KEY(1, 2, KEY_CONNECT), /* GPS key */
 230         KEY(2, 0, KEY_LEFT),
 231         KEY(2, 1, KEY_PHONE),   /* Phone Green key */
 232         KEY(2, 2, KEY_CAMERA)   /* Camera key */
 233 };
 234 static struct pxa27x_keypad_platform_data mioa701_keypad_info = {
 235         .matrix_key_rows = 3,
 236         .matrix_key_cols = 3,
 237         .matrix_key_map = mioa701_matrix_keys,
 238         .matrix_key_map_size = ARRAY_SIZE(mioa701_matrix_keys),
 239 };
 240
 241 /*
 242  * GPIO Key Configuration
 243  */
 244 #define MIO_KEY(key, _gpio, _desc, _wakeup) \
 245         { .code = (key), .gpio = (_gpio), .active_low = 0, \
 246         .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) }
 247 static struct gpio_keys_button mioa701_button_table[] = {
 248         MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1),
 249         MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0),
 250         MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0),
 251         MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0)
 252 };
 253
 254 static struct gpio_keys_platform_data mioa701_gpio_keys_data = {
 255         .buttons  = mioa701_button_table,
 256         .nbuttons = ARRAY_SIZE(mioa701_button_table),
 257 };
 258
 259 /*
 260  * Leds and vibrator
 261  */
 262 #define ONE_LED(_gpio, _name) \
 263 { .gpio = (_gpio), .name = (_name), .active_low = true }
 264 static struct gpio_led gpio_leds[] = {
 265         ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"),
 266         ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"),
 267         ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"),
 268         ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"),
 269         ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard")
 270 };
 271
 272 static struct gpio_led_platform_data gpio_led_info = {
 273         .leds = gpio_leds,
 274         .num_leds = ARRAY_SIZE(gpio_leds),
 275 };
 276
 277 /*
 278  * GSM Sagem XS200 chip
 279  *
 280  * GSM handling was purged from kernel. For history, this is the way to go :
 281  *   - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1
 282  *            GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1
 283  *   - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100),
 284  *             GPIO24_GSM_MOD_RESET_CMD = 0
 285  *   - turn on  : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000),
 286  *                GPIO88_GSM_nMOD_ON_CMD = 1
 287  *   - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000),
 288  *                GPIO90_GSM_nMOD_OFF_CMD = 1
 289  */
 290 static int is_gsm_on(void)
 291 {
 292         int is_on;
 293
 294         is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE);
 295         return is_on;
 296 }
 297
 298 irqreturn_t gsm_on_irq(int irq, void *p)
 299 {
 300         printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n",
 301                is_gsm_on() ? "on" : "off");
 302         return IRQ_HANDLED;
 303 }
 304
 305 static struct gpio gsm_gpios[] = {
 306         { GPIO25_GSM_MOD_ON_STATE, GPIOF_IN, "GSM state" },
 307         { GPIO113_GSM_EVENT, GPIOF_IN, "GSM event" },
 308 };
 309
 310 static int __init gsm_init(void)
 311 {
 312         int rc;
 313
 314         rc = gpio_request_array(ARRAY_AND_SIZE(gsm_gpios));
 315         if (rc)
 316                 goto err_gpio;
 317         rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq,
 318                          IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
 319                          "GSM XS200 Power Irq", NULL);
 320         if (rc)
 321                 goto err_irq;
 322
 323         gpio_set_wake(GPIO113_GSM_EVENT, 1);
 324         return 0;
 325
 326 err_irq:
 327         printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n");
 328         gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
 329 err_gpio:
 330         printk(KERN_ERR "Mioa701: gsm not available\n");
 331         return rc;
 332 }
 333
 334 static void gsm_exit(void)
 335 {
 336         free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL);
 337         gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
 338 }
 339
 340 /*
 341  * Bluetooth BRF6150 chip
 342  *
 343  * BT handling was purged from kernel. For history, this is the way to go :
 344  * - turn on  : GPIO83_BT_ON = 1
 345  * - turn off : GPIO83_BT_ON = 0
 346  */
 347
 348 /*
 349  * GPS Sirf Star III chip
 350  *
 351  * GPS handling was purged from kernel. For history, this is the way to go :
 352  * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
 353  *          GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0
 354  * - turn on  : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1
 355  * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
 356  */
 357
 358 /*
 359  * USB UDC
 360  */
 361 static int is_usb_connected(void)
 362 {
 363         return !gpio_get_value(GPIO13_nUSB_DETECT);
 364 }
 365
 366 static struct pxa2xx_udc_mach_info mioa701_udc_info = {
 367         .udc_is_connected = is_usb_connected,
 368         .gpio_pullup      = GPIO22_USB_ENABLE,
 369 };
 370
 371 struct gpio_vbus_mach_info gpio_vbus_data = {
 372         .gpio_vbus = GPIO13_nUSB_DETECT,
 373         .gpio_vbus_inverted = 1,
 374         .gpio_pullup = -1,
 375 };
 376
 377 /*
 378  * SDIO/MMC Card controller
 379  */
 380 /**
 381  * The card detect interrupt isn't debounced so we delay it by 250ms
 382  * to give the card a chance to fully insert/eject.
 383  */
 384 static struct pxamci_platform_data mioa701_mci_info = {
 385         .detect_delay_ms        = 250,
 386         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
 387         .gpio_card_detect       = GPIO15_SDIO_INSERT,
 388         .gpio_card_ro           = GPIO78_SDIO_RO,
 389         .gpio_power             = GPIO91_SDIO_EN,
 390 };
 391
 392 /* FlashRAM */
 393 static struct resource strataflash_resource = {
 394         .start = PXA_CS0_PHYS,
 395         .end   = PXA_CS0_PHYS + SZ_64M - 1,
 396         .flags = IORESOURCE_MEM,
 397 };
 398
 399 static struct physmap_flash_data strataflash_data = {
 400         .width = 2,
 401         /* .set_vpp = mioa701_set_vpp, */
 402 };
 403
 404 static struct platform_device strataflash = {
 405         .name          = "physmap-flash",
 406         .id            = -1,
 407         .resource      = &strataflash_resource,
 408         .num_resources = 1,
 409         .dev = {
 410                 .platform_data = &strataflash_data,
 411         },
 412 };
 413
 414 /*
 415  * Suspend/Resume bootstrap management
 416  *
 417  * MIO A701 reboot sequence is highly ROM dependent. From the one dissassembled,
 418  * this sequence is as follows :
 419  *   - disables interrupts
 420  *   - initialize SDRAM (self refresh RAM into active RAM)
 421  *   - initialize GPIOs (depends on value at 0xa020b020)
 422  *   - initialize coprossessors
 423  *   - if edge detect on PWR_SCL(GPIO3), then proceed to cold start
 424  *   - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start
 425  *   - else do a resume, ie. jump to addr 0xa0100000
 426  */
 427 #define RESUME_ENABLE_ADDR      0xa020b000
 428 #define RESUME_ENABLE_VAL       0x0f0f0f0f
 429 #define RESUME_BT_ADDR          0xa020b020
 430 #define RESUME_UNKNOWN_ADDR     0xa020b024
 431 #define RESUME_VECTOR_ADDR      0xa0100000
 432 #define BOOTSTRAP_WORDS         mioa701_bootstrap_lg/4
 433
 434 static u32 *save_buffer;
 435
 436 static void install_bootstrap(void)
 437 {
 438         int i;
 439         u32 *rom_bootstrap  = phys_to_virt(RESUME_VECTOR_ADDR);
 440         u32 *src = &mioa701_bootstrap;
 441
 442         for (i = 0; i < BOOTSTRAP_WORDS; i++)
 443                 rom_bootstrap[i] = src[i];
 444 }
 445
 446
 447 static int mioa701_sys_suspend(void)
 448 {
 449         int i = 0, is_bt_on;
 450         u32 *mem_resume_vector  = phys_to_virt(RESUME_VECTOR_ADDR);
 451         u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
 452         u32 *mem_resume_bt      = phys_to_virt(RESUME_BT_ADDR);
 453         u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
 454
 455         /* Devices prepare suspend */
 456         is_bt_on = !!gpio_get_value(GPIO83_BT_ON);
 457         pxa2xx_mfp_set_lpm(GPIO83_BT_ON,
 458                            is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW);
 459
 460         for (i = 0; i < BOOTSTRAP_WORDS; i++)
 461                 save_buffer[i] = mem_resume_vector[i];
 462         save_buffer[i++] = *mem_resume_enabler;
 463         save_buffer[i++] = *mem_resume_bt;
 464         save_buffer[i++] = *mem_resume_unknown;
 465
 466         *mem_resume_enabler = RESUME_ENABLE_VAL;
 467         *mem_resume_bt      = is_bt_on;
 468
 469         install_bootstrap();
 470         return 0;
 471 }
 472
 473 static void mioa701_sys_resume(void)
 474 {
 475         int i = 0;
 476         u32 *mem_resume_vector  = phys_to_virt(RESUME_VECTOR_ADDR);
 477         u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
 478         u32 *mem_resume_bt      = phys_to_virt(RESUME_BT_ADDR);
 479         u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
 480
 481         for (i = 0; i < BOOTSTRAP_WORDS; i++)
 482                 mem_resume_vector[i] = save_buffer[i];
 483         *mem_resume_enabler = save_buffer[i++];
 484         *mem_resume_bt      = save_buffer[i++];
 485         *mem_resume_unknown = save_buffer[i++];
 486 }
 487
 488 static struct syscore_ops mioa701_syscore_ops = {
 489         .suspend        = mioa701_sys_suspend,
 490         .resume         = mioa701_sys_resume,
 491 };
 492
 493 static int __init bootstrap_init(void)
 494 {
 495         int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3);
 496
 497         register_syscore_ops(&mioa701_syscore_ops);
 498
 499         save_buffer = kmalloc(save_size, GFP_KERNEL);
 500         if (!save_buffer)
 501                 return -ENOMEM;
 502         printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n",
 503                save_size);
 504         return 0;
 505 }
 506
 507 static void bootstrap_exit(void)
 508 {
 509         kfree(save_buffer);
 510         unregister_syscore_ops(&mioa701_syscore_ops);
 511
 512         printk(KERN_CRIT "Unregistering mioa701 suspend will hang next"
 513                "resume !!!\n");
 514 }
 515
 516 /*
 517  * Power Supply
 518  */
 519 static char *supplicants[] = {
 520         "mioa701_battery"
 521 };
 522
 523 static int is_ac_connected(void)
 524 {
 525         return gpio_get_value(GPIO96_AC_DETECT);
 526 }
 527
 528 static void mioa701_set_charge(int flags)
 529 {
 530         gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB));
 531 }
 532
 533 static struct pda_power_pdata power_pdata = {
 534         .is_ac_online   = is_ac_connected,
 535         .is_usb_online  = is_usb_connected,
 536         .set_charge = mioa701_set_charge,
 537         .supplied_to = supplicants,
 538         .num_supplicants = ARRAY_SIZE(supplicants),
 539 };
 540
 541 static struct resource power_resources[] = {
 542         [0] = {
 543                 .name   = "ac",
 544                 .start  = gpio_to_irq(GPIO96_AC_DETECT),
 545                 .end    = gpio_to_irq(GPIO96_AC_DETECT),
 546                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
 547                 IORESOURCE_IRQ_LOWEDGE,
 548         },
 549         [1] = {
 550                 .name   = "usb",
 551                 .start  = gpio_to_irq(GPIO13_nUSB_DETECT),
 552                 .end    = gpio_to_irq(GPIO13_nUSB_DETECT),
 553                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
 554                 IORESOURCE_IRQ_LOWEDGE,
 555         },
 556 };
 557
 558 static struct platform_device power_dev = {
 559         .name           = "pda-power",
 560         .id             = -1,
 561         .resource       = power_resources,
 562         .num_resources  = ARRAY_SIZE(power_resources),
 563         .dev = {
 564                 .platform_data  = &power_pdata,
 565         },
 566 };
 567
 568 static struct wm97xx_batt_pdata mioa701_battery_data = {
 569         .batt_aux       = WM97XX_AUX_ID1,
 570         .temp_aux       = -1,
 571         .charge_gpio    = -1,
 572         .min_voltage    = 0xc00,
 573         .max_voltage    = 0xfc0,
 574         .batt_tech      = POWER_SUPPLY_TECHNOLOGY_LION,
 575         .batt_div       = 1,
 576         .batt_mult      = 1,
 577         .batt_name      = "mioa701_battery",
 578 };
 579
 580 static struct wm97xx_pdata mioa701_wm97xx_pdata = {
 581         .batt_pdata     = &mioa701_battery_data,
 582 };
 583
 584 /*
 585  * Voltage regulation
 586  */
 587 static struct regulator_consumer_supply max1586_consumers[] = {
 588         {
 589                 .supply = "vcc_core",
 590         }
 591 };
 592
 593 static struct regulator_init_data max1586_v3_info = {
 594         .constraints = {
 595                 .name = "vcc_core range",
 596                 .min_uV = 1000000,
 597                 .max_uV = 1705000,
 598                 .always_on = 1,
 599                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 600         },
 601         .num_consumer_supplies = ARRAY_SIZE(max1586_consumers),
 602         .consumer_supplies = max1586_consumers,
 603 };
 604
 605 static struct max1586_subdev_data max1586_subdevs[] = {
 606         { .name = "vcc_core", .id = MAX1586_V3,
 607           .platform_data = &max1586_v3_info },
 608 };
 609
 610 static struct max1586_platform_data max1586_info = {
 611         .subdevs = max1586_subdevs,
 612         .num_subdevs = ARRAY_SIZE(max1586_subdevs),
 613         .v3_gain = MAX1586_GAIN_NO_R24, /* 700..1475 mV */
 614 };
 615
 616 /*
 617  * Camera interface
 618  */
 619 struct pxacamera_platform_data mioa701_pxacamera_platform_data = {
 620         .flags  = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
 621                 PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
 622         .mclk_10khz = 5000,
 623 };
 624
 625 static struct i2c_board_info __initdata mioa701_pi2c_devices[] = {
 626         {
 627                 I2C_BOARD_INFO("max1586", 0x14),
 628                 .platform_data = &max1586_info,
 629         },
 630 };
 631
 632 /* Board I2C devices. */
 633 static struct i2c_board_info mioa701_i2c_devices[] = {
 634         {
 635                 I2C_BOARD_INFO("mt9m111", 0x5d),
 636         },
 637 };
 638
 639 static struct soc_camera_link iclink = {
 640         .bus_id         = 0, /* Match id in pxa27x_device_camera in device.c */
 641         .board_info     = &mioa701_i2c_devices[0],
 642         .i2c_adapter_id = 0,
 643 };
 644
 645 struct i2c_pxa_platform_data i2c_pdata = {
 646         .fast_mode = 1,
 647 };
 648
 649 static pxa2xx_audio_ops_t mioa701_ac97_info = {
 650         .reset_gpio = 95,
 651         .codec_pdata = { &mioa701_wm97xx_pdata, },
 652 };
 653
 654 /*
 655  * Mio global
 656  */
 657
 658 /* Devices */
 659 #define MIO_PARENT_DEV(var, strname, tparent, pdata)    \
 660 static struct platform_device var = {                   \
 661         .name           = strname,                      \
 662         .id             = -1,                           \
 663         .dev            = {                             \
 664                 .platform_data = pdata,                 \
 665                 .parent = tparent,                      \
 666         },                                              \
 667 };
 668 #define MIO_SIMPLE_DEV(var, strname, pdata)     \
 669         MIO_PARENT_DEV(var, strname, NULL, pdata)
 670
 671 MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys",      &mioa701_gpio_keys_data)
 672 MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight",  &pxa27x_device_pwm0.dev,
 673                 &mioa701_backlight_data);
 674 MIO_SIMPLE_DEV(mioa701_led,       "leds-gpio",      &gpio_led_info)
 675 MIO_SIMPLE_DEV(pxa2xx_pcm,        "pxa2xx-pcm",     NULL)
 676 MIO_SIMPLE_DEV(mioa701_sound,     "mioa701-wm9713", NULL)
 677 MIO_SIMPLE_DEV(mioa701_board,     "mioa701-board",  NULL)
 678 MIO_SIMPLE_DEV(gpio_vbus,         "gpio-vbus",      &gpio_vbus_data);
 679 MIO_SIMPLE_DEV(mioa701_camera,    "soc-camera-pdrv",&iclink);
 680
 681 static struct platform_device *devices[] __initdata = {
 682         &mioa701_gpio_keys,
 683         &mioa701_backlight,
 684         &mioa701_led,
 685         &pxa2xx_pcm,
 686         &mioa701_sound,
 687         &power_dev,
 688         &strataflash,
 689         &gpio_vbus,
 690         &mioa701_camera,
 691         &mioa701_board,
 692 };
 693
 694 static void mioa701_machine_exit(void);
 695
 696 static void mioa701_poweroff(void)
 697 {
 698         mioa701_machine_exit();
 699         arm_machine_restart('s', NULL);
 700 }
 701
 702 static void mioa701_restart(char c, const char *cmd)
 703 {
 704         mioa701_machine_exit();
 705         arm_machine_restart('s', cmd);
 706 }
 707
 708 static struct gpio global_gpios[] = {
 709         { GPIO9_CHARGE_EN, GPIOF_OUT_INIT_HIGH, "Charger enable" },
 710         { GPIO18_POWEROFF, GPIOF_OUT_INIT_LOW, "Power Off" },
 711         { GPIO87_LCD_POWER, GPIOF_OUT_INIT_LOW, "LCD Power" },
 712 };
 713
 714 static void __init mioa701_machine_init(void)
 715 {
 716         int rc;
 717
 718         PSLR  = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */
 719         PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE;
 720         RTTR = 32768 - 1; /* Reset crazy WinCE value */
 721         UP2OCR = UP2OCR_HXOE;
 722
 723         pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
 724         pxa_set_ffuart_info(NULL);
 725         pxa_set_btuart_info(NULL);
 726         pxa_set_stuart_info(NULL);
 727         rc = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
 728         if (rc)
 729                 pr_err("MioA701: Failed to request GPIOs: %d", rc);
 730         bootstrap_init();
 731         pxa_set_fb_info(NULL, &mioa701_pxafb_info);
 732         pxa_set_mci_info(&mioa701_mci_info);
 733         pxa_set_keypad_info(&mioa701_keypad_info);
 734         pxa_set_udc_info(&mioa701_udc_info);
 735         pxa_set_ac97_info(&mioa701_ac97_info);
 736         pm_power_off = mioa701_poweroff;
 737         arm_pm_restart = mioa701_restart;
 738         platform_add_devices(devices, ARRAY_SIZE(devices));
 739         gsm_init();
 740
 741         i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices));
 742         pxa_set_i2c_info(&i2c_pdata);
 743         pxa27x_set_i2c_power_info(NULL);
 744         pxa_set_camera_info(&mioa701_pxacamera_platform_data);
 745 }
 746
 747 static void mioa701_machine_exit(void)
 748 {
 749         bootstrap_exit();
 750         gsm_exit();
 751 }
 752
 753 MACHINE_START(MIOA701, "MIO A701")
 754         .atag_offset    = 0x100,
 755         .map_io         = &pxa27x_map_io,
 756         .init_irq       = &pxa27x_init_irq,
 757         .handle_irq     = &pxa27x_handle_irq,
 758         .init_machine   = mioa701_machine_init,
 759         .timer          = &pxa_timer,
 760 MACHINE_END