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 <linux/platform_data/keypad-pxa27x.h>
  50 #include <linux/platform_data/video-pxafb.h>
  51 #include <linux/platform_data/mmc-pxamci.h>
  52 #include <mach/udc.h>
  53 #include <mach/pxa27x-udc.h>
  54 #include <linux/platform_data/camera-pxa.h>
  55 #include <mach/audio.h>
  56 #include <mach/smemc.h>
  57 #include <media/soc_camera.h>
  58
  59 #include <mach/mioa701.h>
  60
  61 #include "generic.h"
  62 #include "devices.h"
  63
  64 static unsigned long mioa701_pin_config[] = {
  65         /* Mio global */
  66         MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW),
  67         MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW),
  68         MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH),
  69         MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH),
  70         MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0),
  71
  72         /* Backlight PWM 0 */
  73         GPIO16_PWM0_OUT,
  74
  75         /* MMC */
  76         GPIO32_MMC_CLK,
  77         GPIO92_MMC_DAT_0,
  78         GPIO109_MMC_DAT_1,
  79         GPIO110_MMC_DAT_2,
  80         GPIO111_MMC_DAT_3,
  81         GPIO112_MMC_CMD,
  82         MIO_CFG_IN(GPIO78_SDIO_RO, AF0),
  83         MIO_CFG_IN(GPIO15_SDIO_INSERT, AF0),
  84         MIO_CFG_OUT(GPIO91_SDIO_EN, AF0, DRIVE_LOW),
  85
  86         /* USB */
  87         MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0),
  88         MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW),
  89
  90         /* LCD */
  91         GPIOxx_LCD_TFT_16BPP,
  92
  93         /* QCI */
  94         GPIO12_CIF_DD_7,
  95         GPIO17_CIF_DD_6,
  96         GPIO50_CIF_DD_3,
  97         GPIO51_CIF_DD_2,
  98         GPIO52_CIF_DD_4,
  99         GPIO53_CIF_MCLK,
 100         GPIO54_CIF_PCLK,
 101         GPIO55_CIF_DD_1,
 102         GPIO81_CIF_DD_0,
 103         GPIO82_CIF_DD_5,
 104         GPIO84_CIF_FV,
 105         GPIO85_CIF_LV,
 106         MIO_CFG_OUT(GPIO56_MT9M111_nOE, AF0, DRIVE_LOW),
 107
 108         /* Bluetooth */
 109         MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0),
 110         GPIO44_BTUART_CTS,
 111         GPIO42_BTUART_RXD,
 112         GPIO45_BTUART_RTS,
 113         GPIO43_BTUART_TXD,
 114         MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW),
 115         MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH),
 116         MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH),
 117
 118         /* GPS */
 119         MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW),
 120         MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW),
 121         MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW),
 122         MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW),
 123         MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW),
 124         GPIO46_STUART_RXD,
 125         GPIO47_STUART_TXD,
 126
 127         /* GSM */
 128         MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW),
 129         MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH),
 130         MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH),
 131         MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH),
 132         MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0),
 133         MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH,
 134         GPIO34_FFUART_RXD,
 135         GPIO35_FFUART_CTS,
 136         GPIO36_FFUART_DCD,
 137         GPIO37_FFUART_DSR,
 138         GPIO39_FFUART_TXD,
 139         GPIO40_FFUART_DTR,
 140         GPIO41_FFUART_RTS,
 141
 142         /* Sound */
 143         GPIO28_AC97_BITCLK,
 144         GPIO29_AC97_SDATA_IN_0,
 145         GPIO30_AC97_SDATA_OUT,
 146         GPIO31_AC97_SYNC,
 147         GPIO89_AC97_SYSCLK,
 148         MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0),
 149
 150         /* Leds */
 151         MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH),
 152         MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH),
 153         MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH),
 154         MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH),
 155         MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH),
 156
 157         /* Keyboard */
 158         MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH,
 159         MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0),
 160         MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0),
 161         GPIO100_KP_MKIN_0,
 162         GPIO101_KP_MKIN_1,
 163         GPIO102_KP_MKIN_2,
 164         GPIO103_KP_MKOUT_0,
 165         GPIO104_KP_MKOUT_1,
 166         GPIO105_KP_MKOUT_2,
 167
 168         /* I2C */
 169         GPIO117_I2C_SCL,
 170         GPIO118_I2C_SDA,
 171
 172         /* Unknown */
 173         MFP_CFG_IN(GPIO20, AF0),
 174         MFP_CFG_IN(GPIO21, AF0),
 175         MFP_CFG_IN(GPIO33, AF0),
 176         MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH),
 177         MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH),
 178         MFP_CFG_IN(GPIO96, AF0),
 179         MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH),
 180 };
 181
 182 /* LCD Screen and Backlight */
 183 static struct platform_pwm_backlight_data mioa701_backlight_data = {
 184         .pwm_id         = 0,
 185         .max_brightness = 100,
 186         .dft_brightness = 50,
 187         .pwm_period_ns  = 4000 * 1024,  /* Fl = 250kHz */
 188 };
 189
 190 /*
 191  * LTM0305A776C LCD panel timings
 192  *
 193  * see:
 194  *  - the LTM0305A776C datasheet,
 195  *  - and the PXA27x Programmers' manual
 196  */
 197 static struct pxafb_mode_info mioa701_ltm0305a776c = {
 198         .pixclock               = 220000,       /* CLK=4.545 MHz */
 199         .xres                   = 240,
 200         .yres                   = 320,
 201         .bpp                    = 16,
 202         .hsync_len              = 4,
 203         .vsync_len              = 2,
 204         .left_margin            = 6,
 205         .right_margin           = 4,
 206         .upper_margin           = 5,
 207         .lower_margin           = 3,
 208 };
 209
 210 static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
 211 {
 212         gpio_set_value(GPIO87_LCD_POWER, on);
 213 }
 214
 215 static struct pxafb_mach_info mioa701_pxafb_info = {
 216         .modes                  = &mioa701_ltm0305a776c,
 217         .num_modes              = 1,
 218         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 219         .pxafb_lcd_power        = mioa701_lcd_power,
 220 };
 221
 222 /*
 223  * Keyboard configuration
 224  */
 225 static unsigned int mioa701_matrix_keys[] = {
 226         KEY(0, 0, KEY_UP),
 227         KEY(0, 1, KEY_RIGHT),
 228         KEY(0, 2, KEY_MEDIA),
 229         KEY(1, 0, KEY_DOWN),
 230         KEY(1, 1, KEY_ENTER),
 231         KEY(1, 2, KEY_CONNECT), /* GPS key */
 232         KEY(2, 0, KEY_LEFT),
 233         KEY(2, 1, KEY_PHONE),   /* Phone Green key */
 234         KEY(2, 2, KEY_CAMERA)   /* Camera key */
 235 };
 236 static struct pxa27x_keypad_platform_data mioa701_keypad_info = {
 237         .matrix_key_rows = 3,
 238         .matrix_key_cols = 3,
 239         .matrix_key_map = mioa701_matrix_keys,
 240         .matrix_key_map_size = ARRAY_SIZE(mioa701_matrix_keys),
 241 };
 242
 243 /*
 244  * GPIO Key Configuration
 245  */
 246 #define MIO_KEY(key, _gpio, _desc, _wakeup) \
 247         { .code = (key), .gpio = (_gpio), .active_low = 0, \
 248         .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) }
 249 static struct gpio_keys_button mioa701_button_table[] = {
 250         MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1),
 251         MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0),
 252         MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0),
 253         MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0)
 254 };
 255
 256 static struct gpio_keys_platform_data mioa701_gpio_keys_data = {
 257         .buttons  = mioa701_button_table,
 258         .nbuttons = ARRAY_SIZE(mioa701_button_table),
 259 };
 260
 261 /*
 262  * Leds and vibrator
 263  */
 264 #define ONE_LED(_gpio, _name) \
 265 { .gpio = (_gpio), .name = (_name), .active_low = true }
 266 static struct gpio_led gpio_leds[] = {
 267         ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"),
 268         ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"),
 269         ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"),
 270         ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"),
 271         ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard")
 272 };
 273
 274 static struct gpio_led_platform_data gpio_led_info = {
 275         .leds = gpio_leds,
 276         .num_leds = ARRAY_SIZE(gpio_leds),
 277 };
 278
 279 /*
 280  * GSM Sagem XS200 chip
 281  *
 282  * GSM handling was purged from kernel. For history, this is the way to go :
 283  *   - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1
 284  *            GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1
 285  *   - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100),
 286  *             GPIO24_GSM_MOD_RESET_CMD = 0
 287  *   - turn on  : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000),
 288  *                GPIO88_GSM_nMOD_ON_CMD = 1
 289  *   - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000),
 290  *                GPIO90_GSM_nMOD_OFF_CMD = 1
 291  */
 292 static int is_gsm_on(void)
 293 {
 294         int is_on;
 295
 296         is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE);
 297         return is_on;
 298 }
 299
 300 irqreturn_t gsm_on_irq(int irq, void *p)
 301 {
 302         printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n",
 303                is_gsm_on() ? "on" : "off");
 304         return IRQ_HANDLED;
 305 }
 306
 307 static struct gpio gsm_gpios[] = {
 308         { GPIO25_GSM_MOD_ON_STATE, GPIOF_IN, "GSM state" },
 309         { GPIO113_GSM_EVENT, GPIOF_IN, "GSM event" },
 310 };
 311
 312 static int __init gsm_init(void)
 313 {
 314         int rc;
 315
 316         rc = gpio_request_array(ARRAY_AND_SIZE(gsm_gpios));
 317         if (rc)
 318                 goto err_gpio;
 319         rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq,
 320                          IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
 321                          "GSM XS200 Power Irq", NULL);
 322         if (rc)
 323                 goto err_irq;
 324
 325         gpio_set_wake(GPIO113_GSM_EVENT, 1);
 326         return 0;
 327
 328 err_irq:
 329         printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n");
 330         gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
 331 err_gpio:
 332         printk(KERN_ERR "Mioa701: gsm not available\n");
 333         return rc;
 334 }
 335
 336 static void gsm_exit(void)
 337 {
 338         free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL);
 339         gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
 340 }
 341
 342 /*
 343  * Bluetooth BRF6150 chip
 344  *
 345  * BT handling was purged from kernel. For history, this is the way to go :
 346  * - turn on  : GPIO83_BT_ON = 1
 347  * - turn off : GPIO83_BT_ON = 0
 348  */
 349
 350 /*
 351  * GPS Sirf Star III chip
 352  *
 353  * GPS handling was purged from kernel. For history, this is the way to go :
 354  * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
 355  *          GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0
 356  * - turn on  : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1
 357  * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
 358  */
 359
 360 /*
 361  * USB UDC
 362  */
 363 static int is_usb_connected(void)
 364 {
 365         return !gpio_get_value(GPIO13_nUSB_DETECT);
 366 }
 367
 368 static struct pxa2xx_udc_mach_info mioa701_udc_info = {
 369         .udc_is_connected = is_usb_connected,
 370         .gpio_pullup      = GPIO22_USB_ENABLE,
 371 };
 372
 373 struct gpio_vbus_mach_info gpio_vbus_data = {
 374         .gpio_vbus = GPIO13_nUSB_DETECT,
 375         .gpio_vbus_inverted = 1,
 376         .gpio_pullup = -1,
 377 };
 378
 379 /*
 380  * SDIO/MMC Card controller
 381  */
 382 /**
 383  * The card detect interrupt isn't debounced so we delay it by 250ms
 384  * to give the card a chance to fully insert/eject.
 385  */
 386 static struct pxamci_platform_data mioa701_mci_info = {
 387         .detect_delay_ms        = 250,
 388         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
 389         .gpio_card_detect       = GPIO15_SDIO_INSERT,
 390         .gpio_card_ro           = GPIO78_SDIO_RO,
 391         .gpio_power             = GPIO91_SDIO_EN,
 392 };
 393
 394 /* FlashRAM */
 395 static struct resource docg3_resource = {
 396         .start = PXA_CS0_PHYS,
 397         .end   = PXA_CS0_PHYS + SZ_8K - 1,
 398         .flags = IORESOURCE_MEM,
 399 };
 400
 401 static struct platform_device docg3 = {
 402         .name          = "docg3",
 403         .id            = -1,
 404         .resource      = &docg3_resource,
 405         .num_resources = 1,
 406         .dev = {
 407                 .platform_data = NULL,
 408         },
 409 };
 410
 411 /*
 412  * Suspend/Resume bootstrap management
 413  *
 414  * MIO A701 reboot sequence is highly ROM dependent. From the one dissassembled,
 415  * this sequence is as follows :
 416  *   - disables interrupts
 417  *   - initialize SDRAM (self refresh RAM into active RAM)
 418  *   - initialize GPIOs (depends on value at 0xa020b020)
 419  *   - initialize coprossessors
 420  *   - if edge detect on PWR_SCL(GPIO3), then proceed to cold start
 421  *   - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start
 422  *   - else do a resume, ie. jump to addr 0xa0100000
 423  */
 424 #define RESUME_ENABLE_ADDR      0xa020b000
 425 #define RESUME_ENABLE_VAL       0x0f0f0f0f
 426 #define RESUME_BT_ADDR          0xa020b020
 427 #define RESUME_UNKNOWN_ADDR     0xa020b024
 428 #define RESUME_VECTOR_ADDR      0xa0100000
 429 #define BOOTSTRAP_WORDS         mioa701_bootstrap_lg/4
 430
 431 static u32 *save_buffer;
 432
 433 static void install_bootstrap(void)
 434 {
 435         int i;
 436         u32 *rom_bootstrap  = phys_to_virt(RESUME_VECTOR_ADDR);
 437         u32 *src = &mioa701_bootstrap;
 438
 439         for (i = 0; i < BOOTSTRAP_WORDS; i++)
 440                 rom_bootstrap[i] = src[i];
 441 }
 442
 443
 444 static int mioa701_sys_suspend(void)
 445 {
 446         int i = 0, is_bt_on;
 447         u32 *mem_resume_vector  = phys_to_virt(RESUME_VECTOR_ADDR);
 448         u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
 449         u32 *mem_resume_bt      = phys_to_virt(RESUME_BT_ADDR);
 450         u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
 451
 452         /* Devices prepare suspend */
 453         is_bt_on = !!gpio_get_value(GPIO83_BT_ON);
 454         pxa2xx_mfp_set_lpm(GPIO83_BT_ON,
 455                            is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW);
 456
 457         for (i = 0; i < BOOTSTRAP_WORDS; i++)
 458                 save_buffer[i] = mem_resume_vector[i];
 459         save_buffer[i++] = *mem_resume_enabler;
 460         save_buffer[i++] = *mem_resume_bt;
 461         save_buffer[i++] = *mem_resume_unknown;
 462
 463         *mem_resume_enabler = RESUME_ENABLE_VAL;
 464         *mem_resume_bt      = is_bt_on;
 465
 466         install_bootstrap();
 467         return 0;
 468 }
 469
 470 static void mioa701_sys_resume(void)
 471 {
 472         int i = 0;
 473         u32 *mem_resume_vector  = phys_to_virt(RESUME_VECTOR_ADDR);
 474         u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
 475         u32 *mem_resume_bt      = phys_to_virt(RESUME_BT_ADDR);
 476         u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
 477
 478         for (i = 0; i < BOOTSTRAP_WORDS; i++)
 479                 mem_resume_vector[i] = save_buffer[i];
 480         *mem_resume_enabler = save_buffer[i++];
 481         *mem_resume_bt      = save_buffer[i++];
 482         *mem_resume_unknown = save_buffer[i++];
 483 }
 484
 485 static struct syscore_ops mioa701_syscore_ops = {
 486         .suspend        = mioa701_sys_suspend,
 487         .resume         = mioa701_sys_resume,
 488 };
 489
 490 static int __init bootstrap_init(void)
 491 {
 492         int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3);
 493
 494         register_syscore_ops(&mioa701_syscore_ops);
 495
 496         save_buffer = kmalloc(save_size, GFP_KERNEL);
 497         if (!save_buffer)
 498                 return -ENOMEM;
 499         printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n",
 500                save_size);
 501         return 0;
 502 }
 503
 504 static void bootstrap_exit(void)
 505 {
 506         kfree(save_buffer);
 507         unregister_syscore_ops(&mioa701_syscore_ops);
 508
 509         printk(KERN_CRIT "Unregistering mioa701 suspend will hang next"
 510                "resume !!!\n");
 511 }
 512
 513 /*
 514  * Power Supply
 515  */
 516 static char *supplicants[] = {
 517         "mioa701_battery"
 518 };
 519
 520 static int is_ac_connected(void)
 521 {
 522         return gpio_get_value(GPIO96_AC_DETECT);
 523 }
 524
 525 static void mioa701_set_charge(int flags)
 526 {
 527         gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB));
 528 }
 529
 530 static struct pda_power_pdata power_pdata = {
 531         .is_ac_online   = is_ac_connected,
 532         .is_usb_online  = is_usb_connected,
 533         .set_charge = mioa701_set_charge,
 534         .supplied_to = supplicants,
 535         .num_supplicants = ARRAY_SIZE(supplicants),
 536 };
 537
 538 static struct resource power_resources[] = {
 539         [0] = {
 540                 .name   = "ac",
 541                 .start  = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
 542                 .end    = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
 543                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
 544                 IORESOURCE_IRQ_LOWEDGE,
 545         },
 546         [1] = {
 547                 .name   = "usb",
 548                 .start  = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
 549                 .end    = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
 550                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
 551                 IORESOURCE_IRQ_LOWEDGE,
 552         },
 553 };
 554
 555 static struct platform_device power_dev = {
 556         .name           = "pda-power",
 557         .id             = -1,
 558         .resource       = power_resources,
 559         .num_resources  = ARRAY_SIZE(power_resources),
 560         .dev = {
 561                 .platform_data  = &power_pdata,
 562         },
 563 };
 564
 565 static struct wm97xx_batt_pdata mioa701_battery_data = {
 566         .batt_aux       = WM97XX_AUX_ID1,
 567         .temp_aux       = -1,
 568         .charge_gpio    = -1,
 569         .min_voltage    = 0xc00,
 570         .max_voltage    = 0xfc0,
 571         .batt_tech      = POWER_SUPPLY_TECHNOLOGY_LION,
 572         .batt_div       = 1,
 573         .batt_mult      = 1,
 574         .batt_name      = "mioa701_battery",
 575 };
 576
 577 static struct wm97xx_pdata mioa701_wm97xx_pdata = {
 578         .batt_pdata     = &mioa701_battery_data,
 579 };
 580
 581 /*
 582  * Voltage regulation
 583  */
 584 static struct regulator_consumer_supply max1586_consumers[] = {
 585         REGULATOR_SUPPLY("vcc_core", NULL),
 586 };
 587
 588 static struct regulator_init_data max1586_v3_info = {
 589         .constraints = {
 590                 .name = "vcc_core range",
 591                 .min_uV = 1000000,
 592                 .max_uV = 1705000,
 593                 .always_on = 1,
 594                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 595         },
 596         .num_consumer_supplies = ARRAY_SIZE(max1586_consumers),
 597         .consumer_supplies = max1586_consumers,
 598 };
 599
 600 static struct max1586_subdev_data max1586_subdevs[] = {
 601         { .name = "vcc_core", .id = MAX1586_V3,
 602           .platform_data = &max1586_v3_info },
 603 };
 604
 605 static struct max1586_platform_data max1586_info = {
 606         .subdevs = max1586_subdevs,
 607         .num_subdevs = ARRAY_SIZE(max1586_subdevs),
 608         .v3_gain = MAX1586_GAIN_NO_R24, /* 700..1475 mV */
 609 };
 610
 611 /*
 612  * Camera interface
 613  */
 614 struct pxacamera_platform_data mioa701_pxacamera_platform_data = {
 615         .flags  = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
 616                 PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
 617         .mclk_10khz = 5000,
 618 };
 619
 620 static struct i2c_board_info __initdata mioa701_pi2c_devices[] = {
 621         {
 622                 I2C_BOARD_INFO("max1586", 0x14),
 623                 .platform_data = &max1586_info,
 624         },
 625 };
 626
 627 /* Board I2C devices. */
 628 static struct i2c_board_info mioa701_i2c_devices[] = {
 629         {
 630                 I2C_BOARD_INFO("mt9m111", 0x5d),
 631         },
 632 };
 633
 634 static struct soc_camera_link iclink = {
 635         .bus_id         = 0, /* Match id in pxa27x_device_camera in device.c */
 636         .board_info     = &mioa701_i2c_devices[0],
 637         .i2c_adapter_id = 0,
 638 };
 639
 640 struct i2c_pxa_platform_data i2c_pdata = {
 641         .fast_mode = 1,
 642 };
 643
 644 static pxa2xx_audio_ops_t mioa701_ac97_info = {
 645         .reset_gpio = 95,
 646         .codec_pdata = { &mioa701_wm97xx_pdata, },
 647 };
 648
 649 /*
 650  * Mio global
 651  */
 652
 653 /* Devices */
 654 #define MIO_PARENT_DEV(var, strname, tparent, pdata)    \
 655 static struct platform_device var = {                   \
 656         .name           = strname,                      \
 657         .id             = -1,                           \
 658         .dev            = {                             \
 659                 .platform_data = pdata,                 \
 660                 .parent = tparent,                      \
 661         },                                              \
 662 };
 663 #define MIO_SIMPLE_DEV(var, strname, pdata)     \
 664         MIO_PARENT_DEV(var, strname, NULL, pdata)
 665
 666 MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys",      &mioa701_gpio_keys_data)
 667 MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight",  &pxa27x_device_pwm0.dev,
 668                 &mioa701_backlight_data);
 669 MIO_SIMPLE_DEV(mioa701_led,       "leds-gpio",      &gpio_led_info)
 670 MIO_SIMPLE_DEV(pxa2xx_pcm,        "pxa2xx-pcm",     NULL)
 671 MIO_SIMPLE_DEV(mioa701_sound,     "mioa701-wm9713", NULL)
 672 MIO_SIMPLE_DEV(mioa701_board,     "mioa701-board",  NULL)
 673 MIO_SIMPLE_DEV(gpio_vbus,         "gpio-vbus",      &gpio_vbus_data);
 674 MIO_SIMPLE_DEV(mioa701_camera,    "soc-camera-pdrv",&iclink);
 675
 676 static struct platform_device *devices[] __initdata = {
 677         &mioa701_gpio_keys,
 678         &mioa701_backlight,
 679         &mioa701_led,
 680         &pxa2xx_pcm,
 681         &mioa701_sound,
 682         &power_dev,
 683         &docg3,
 684         &gpio_vbus,
 685         &mioa701_camera,
 686         &mioa701_board,
 687 };
 688
 689 static void mioa701_machine_exit(void);
 690
 691 static void mioa701_poweroff(void)
 692 {
 693         mioa701_machine_exit();
 694         pxa_restart('s', NULL);
 695 }
 696
 697 static void mioa701_restart(char c, const char *cmd)
 698 {
 699         mioa701_machine_exit();
 700         pxa_restart('s', cmd);
 701 }
 702
 703 static struct gpio global_gpios[] = {
 704         { GPIO9_CHARGE_EN, GPIOF_OUT_INIT_HIGH, "Charger enable" },
 705         { GPIO18_POWEROFF, GPIOF_OUT_INIT_LOW, "Power Off" },
 706         { GPIO87_LCD_POWER, GPIOF_OUT_INIT_LOW, "LCD Power" },
 707         { GPIO56_MT9M111_nOE, GPIOF_OUT_INIT_LOW, "Camera nOE" },
 708 };
 709
 710 static void __init mioa701_machine_init(void)
 711 {
 712         int rc;
 713
 714         PSLR  = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */
 715         PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE;
 716         RTTR = 32768 - 1; /* Reset crazy WinCE value */
 717         UP2OCR = UP2OCR_HXOE;
 718
 719         /*
 720          * Set up the flash memory : DiskOnChip G3 on first static memory bank
 721          */
 722         __raw_writel(0x7ff02dd8, MSC0);
 723         __raw_writel(0x0001c391, MCMEM0);
 724         __raw_writel(0x0001c391, MCATT0);
 725         __raw_writel(0x0001c391, MCIO0);
 726
 727
 728         pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
 729         pxa_set_ffuart_info(NULL);
 730         pxa_set_btuart_info(NULL);
 731         pxa_set_stuart_info(NULL);
 732         rc = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
 733         if (rc)
 734                 pr_err("MioA701: Failed to request GPIOs: %d", rc);
 735         bootstrap_init();
 736         pxa_set_fb_info(NULL, &mioa701_pxafb_info);
 737         pxa_set_mci_info(&mioa701_mci_info);
 738         pxa_set_keypad_info(&mioa701_keypad_info);
 739         pxa_set_udc_info(&mioa701_udc_info);
 740         pxa_set_ac97_info(&mioa701_ac97_info);
 741         pm_power_off = mioa701_poweroff;
 742         platform_add_devices(devices, ARRAY_SIZE(devices));
 743         gsm_init();
 744
 745         i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices));
 746         pxa_set_i2c_info(&i2c_pdata);
 747         pxa27x_set_i2c_power_info(NULL);
 748         pxa_set_camera_info(&mioa701_pxacamera_platform_data);
 749 }
 750
 751 static void mioa701_machine_exit(void)
 752 {
 753         bootstrap_exit();
 754         gsm_exit();
 755 }
 756
 757 MACHINE_START(MIOA701, "MIO A701")
 758         .atag_offset    = 0x100,
 759         .restart_mode   = 's',
 760         .map_io         = &pxa27x_map_io,
 761         .nr_irqs        = PXA_NR_IRQS,
 762         .init_irq       = &pxa27x_init_irq,
 763         .handle_irq     = &pxa27x_handle_irq,
 764         .init_machine   = mioa701_machine_init,
 765         .init_time      = pxa_timer_init,
 766         .restart        = mioa701_restart,
 767 MACHINE_END