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.h>
  30 #include <linux/pwm_backlight.h>
  31 #include <linux/rtc.h>
  32 #include <linux/leds.h>
  33 #include <linux/gpio.h>
  34 #include <linux/interrupt.h>
  35 #include <linux/irq.h>
  36 #include <linux/pda_power.h>
  37 #include <linux/power_supply.h>
  38 #include <linux/wm97xx.h>
  39 #include <linux/mtd/physmap.h>
  40 #include <linux/usb/gpio_vbus.h>
  41 #include <linux/reboot.h>
  42 #include <linux/regulator/fixed.h>
  43 #include <linux/regulator/max1586.h>
  44 #include <linux/slab.h>
  45 #include <linux/platform_data/i2c-pxa.h>
  46
  47 #include <asm/mach-types.h>
  48 #include <asm/mach/arch.h>
  49
  50 #include "pxa27x.h"
  51 #include "regs-rtc.h"
  52 #include <linux/platform_data/keypad-pxa27x.h>
  53 #include <linux/platform_data/video-pxafb.h>
  54 #include <linux/platform_data/mmc-pxamci.h>
  55 #include "udc.h"
  56 #include "pxa27x-udc.h"
  57 #include <linux/platform_data/media/camera-pxa.h>
  58 #include <mach/audio.h>
  59 #include <mach/smemc.h>
  60
  61 #include "mioa701.h"
  62
  63 #include "generic.h"
  64 #include "devices.h"
  65
  66 static unsigned long mioa701_pin_config[] = {
  67         /* Mio global */
  68         MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW),
  69         MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW),
  70         MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH),
  71         MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH),
  72         MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0),
  73
  74         /* Backlight PWM 0 */
  75         GPIO16_PWM0_OUT,
  76
  77         /* MMC */
  78         GPIO32_MMC_CLK,
  79         GPIO92_MMC_DAT_0,
  80         GPIO109_MMC_DAT_1,
  81         GPIO110_MMC_DAT_2,
  82         GPIO111_MMC_DAT_3,
  83         GPIO112_MMC_CMD,
  84         MIO_CFG_IN(GPIO78_SDIO_RO, AF0),
  85         MIO_CFG_IN(GPIO15_SDIO_INSERT, AF0),
  86         MIO_CFG_OUT(GPIO91_SDIO_EN, AF0, DRIVE_LOW),
  87
  88         /* USB */
  89         MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0),
  90         MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW),
  91
  92         /* LCD */
  93         GPIOxx_LCD_TFT_16BPP,
  94
  95         /* QCI */
  96         GPIO12_CIF_DD_7,
  97         GPIO17_CIF_DD_6,
  98         GPIO50_CIF_DD_3,
  99         GPIO51_CIF_DD_2,
 100         GPIO52_CIF_DD_4,
 101         GPIO53_CIF_MCLK,
 102         GPIO54_CIF_PCLK,
 103         GPIO55_CIF_DD_1,
 104         GPIO81_CIF_DD_0,
 105         GPIO82_CIF_DD_5,
 106         GPIO84_CIF_FV,
 107         GPIO85_CIF_LV,
 108         MIO_CFG_OUT(GPIO56_MT9M111_nOE, AF0, DRIVE_LOW),
 109
 110         /* Bluetooth */
 111         MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0),
 112         GPIO44_BTUART_CTS,
 113         GPIO42_BTUART_RXD,
 114         GPIO45_BTUART_RTS,
 115         GPIO43_BTUART_TXD,
 116         MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW),
 117         MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH),
 118         MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH),
 119
 120         /* GPS */
 121         MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW),
 122         MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW),
 123         MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW),
 124         MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW),
 125         MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW),
 126         GPIO46_STUART_RXD,
 127         GPIO47_STUART_TXD,
 128
 129         /* GSM */
 130         MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW),
 131         MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH),
 132         MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH),
 133         MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH),
 134         MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0),
 135         MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH,
 136         GPIO34_FFUART_RXD,
 137         GPIO35_FFUART_CTS,
 138         GPIO36_FFUART_DCD,
 139         GPIO37_FFUART_DSR,
 140         GPIO39_FFUART_TXD,
 141         GPIO40_FFUART_DTR,
 142         GPIO41_FFUART_RTS,
 143
 144         /* Sound */
 145         GPIO28_AC97_BITCLK,
 146         GPIO29_AC97_SDATA_IN_0,
 147         GPIO30_AC97_SDATA_OUT,
 148         GPIO31_AC97_SYNC,
 149         GPIO89_AC97_SYSCLK,
 150         MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0),
 151
 152         /* Leds */
 153         MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH),
 154         MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH),
 155         MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH),
 156         MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH),
 157         MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH),
 158
 159         /* Keyboard */
 160         MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH,
 161         MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0),
 162         MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0),
 163         GPIO100_KP_MKIN_0,
 164         GPIO101_KP_MKIN_1,
 165         GPIO102_KP_MKIN_2,
 166         GPIO103_KP_MKOUT_0,
 167         GPIO104_KP_MKOUT_1,
 168         GPIO105_KP_MKOUT_2,
 169
 170         /* I2C */
 171         GPIO117_I2C_SCL,
 172         GPIO118_I2C_SDA,
 173
 174         /* Unknown */
 175         MFP_CFG_IN(GPIO20, AF0),
 176         MFP_CFG_IN(GPIO21, AF0),
 177         MFP_CFG_IN(GPIO33, AF0),
 178         MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH),
 179         MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH),
 180         MFP_CFG_IN(GPIO96, AF0),
 181         MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH),
 182 };
 183
 184 static struct pwm_lookup mioa701_pwm_lookup[] = {
 185         PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight", NULL, 4000 * 1024,
 186                    PWM_POLARITY_NORMAL),
 187 };
 188
 189 /* LCD Screen and Backlight */
 190 static struct platform_pwm_backlight_data mioa701_backlight_data = {
 191         .max_brightness = 100,
 192         .dft_brightness = 50,
 193         .enable_gpio    = -1,
 194 };
 195
 196 /*
 197  * LTM0305A776C LCD panel timings
 198  *
 199  * see:
 200  *  - the LTM0305A776C datasheet,
 201  *  - and the PXA27x Programmers' manual
 202  */
 203 static struct pxafb_mode_info mioa701_ltm0305a776c = {
 204         .pixclock               = 220000,       /* CLK=4.545 MHz */
 205         .xres                   = 240,
 206         .yres                   = 320,
 207         .bpp                    = 16,
 208         .hsync_len              = 4,
 209         .vsync_len              = 2,
 210         .left_margin            = 6,
 211         .right_margin           = 4,
 212         .upper_margin           = 5,
 213         .lower_margin           = 3,
 214 };
 215
 216 static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
 217 {
 218         gpio_set_value(GPIO87_LCD_POWER, on);
 219 }
 220
 221 static struct pxafb_mach_info mioa701_pxafb_info = {
 222         .modes                  = &mioa701_ltm0305a776c,
 223         .num_modes              = 1,
 224         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 225         .pxafb_lcd_power        = mioa701_lcd_power,
 226 };
 227
 228 /*
 229  * Keyboard configuration
 230  */
 231 static const unsigned int mioa701_matrix_keys[] = {
 232         KEY(0, 0, KEY_UP),
 233         KEY(0, 1, KEY_RIGHT),
 234         KEY(0, 2, KEY_MEDIA),
 235         KEY(1, 0, KEY_DOWN),
 236         KEY(1, 1, KEY_ENTER),
 237         KEY(1, 2, KEY_CONNECT), /* GPS key */
 238         KEY(2, 0, KEY_LEFT),
 239         KEY(2, 1, KEY_PHONE),   /* Phone Green key */
 240         KEY(2, 2, KEY_CAMERA)   /* Camera key */
 241 };
 242
 243 static struct matrix_keymap_data mioa701_matrix_keymap_data = {
 244         .keymap                 = mioa701_matrix_keys,
 245         .keymap_size            = ARRAY_SIZE(mioa701_matrix_keys),
 246 };
 247
 248 static struct pxa27x_keypad_platform_data mioa701_keypad_info = {
 249         .matrix_key_rows = 3,
 250         .matrix_key_cols = 3,
 251         .matrix_keymap_data = &mioa701_matrix_keymap_data,
 252 };
 253
 254 /*
 255  * GPIO Key Configuration
 256  */
 257 #define MIO_KEY(key, _gpio, _desc, _wakeup) \
 258         { .code = (key), .gpio = (_gpio), .active_low = 0, \
 259         .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) }
 260 static struct gpio_keys_button mioa701_button_table[] = {
 261         MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1),
 262         MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0),
 263         MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0),
 264         MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0)
 265 };
 266
 267 static struct gpio_keys_platform_data mioa701_gpio_keys_data = {
 268         .buttons  = mioa701_button_table,
 269         .nbuttons = ARRAY_SIZE(mioa701_button_table),
 270 };
 271
 272 /*
 273  * Leds and vibrator
 274  */
 275 #define ONE_LED(_gpio, _name) \
 276 { .gpio = (_gpio), .name = (_name), .active_low = true }
 277 static struct gpio_led gpio_leds[] = {
 278         ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"),
 279         ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"),
 280         ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"),
 281         ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"),
 282         ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard")
 283 };
 284
 285 static struct gpio_led_platform_data gpio_led_info = {
 286         .leds = gpio_leds,
 287         .num_leds = ARRAY_SIZE(gpio_leds),
 288 };
 289
 290 /*
 291  * GSM Sagem XS200 chip
 292  *
 293  * GSM handling was purged from kernel. For history, this is the way to go :
 294  *   - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1
 295  *            GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1
 296  *   - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100),
 297  *             GPIO24_GSM_MOD_RESET_CMD = 0
 298  *   - turn on  : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000),
 299  *                GPIO88_GSM_nMOD_ON_CMD = 1
 300  *   - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000),
 301  *                GPIO90_GSM_nMOD_OFF_CMD = 1
 302  */
 303 static int is_gsm_on(void)
 304 {
 305         int is_on;
 306
 307         is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE);
 308         return is_on;
 309 }
 310
 311 irqreturn_t gsm_on_irq(int irq, void *p)
 312 {
 313         printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n",
 314                is_gsm_on() ? "on" : "off");
 315         return IRQ_HANDLED;
 316 }
 317
 318 static struct gpio gsm_gpios[] = {
 319         { GPIO25_GSM_MOD_ON_STATE, GPIOF_IN, "GSM state" },
 320         { GPIO113_GSM_EVENT, GPIOF_IN, "GSM event" },
 321 };
 322
 323 static int __init gsm_init(void)
 324 {
 325         int rc;
 326
 327         rc = gpio_request_array(ARRAY_AND_SIZE(gsm_gpios));
 328         if (rc)
 329                 goto err_gpio;
 330         rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq,
 331                          IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
 332                          "GSM XS200 Power Irq", NULL);
 333         if (rc)
 334                 goto err_irq;
 335
 336         gpio_set_wake(GPIO113_GSM_EVENT, 1);
 337         return 0;
 338
 339 err_irq:
 340         printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n");
 341         gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
 342 err_gpio:
 343         printk(KERN_ERR "Mioa701: gsm not available\n");
 344         return rc;
 345 }
 346
 347 static void gsm_exit(void)
 348 {
 349         free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL);
 350         gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
 351 }
 352
 353 /*
 354  * Bluetooth BRF6150 chip
 355  *
 356  * BT handling was purged from kernel. For history, this is the way to go :
 357  * - turn on  : GPIO83_BT_ON = 1
 358  * - turn off : GPIO83_BT_ON = 0
 359  */
 360
 361 /*
 362  * GPS Sirf Star III chip
 363  *
 364  * GPS handling was purged from kernel. For history, this is the way to go :
 365  * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
 366  *          GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0
 367  * - turn on  : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1
 368  * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
 369  */
 370
 371 /*
 372  * USB UDC
 373  */
 374 static int is_usb_connected(void)
 375 {
 376         return !gpio_get_value(GPIO13_nUSB_DETECT);
 377 }
 378
 379 static struct pxa2xx_udc_mach_info mioa701_udc_info = {
 380         .udc_is_connected = is_usb_connected,
 381         .gpio_pullup      = GPIO22_USB_ENABLE,
 382 };
 383
 384 struct gpio_vbus_mach_info gpio_vbus_data = {
 385         .gpio_vbus = GPIO13_nUSB_DETECT,
 386         .gpio_vbus_inverted = 1,
 387         .gpio_pullup = -1,
 388 };
 389
 390 /*
 391  * SDIO/MMC Card controller
 392  */
 393 /**
 394  * The card detect interrupt isn't debounced so we delay it by 250ms
 395  * to give the card a chance to fully insert/eject.
 396  */
 397 static struct pxamci_platform_data mioa701_mci_info = {
 398         .detect_delay_ms        = 250,
 399         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
 400         .gpio_card_detect       = GPIO15_SDIO_INSERT,
 401         .gpio_card_ro           = GPIO78_SDIO_RO,
 402         .gpio_power             = GPIO91_SDIO_EN,
 403 };
 404
 405 /* FlashRAM */
 406 static struct resource docg3_resource = {
 407         .start = PXA_CS0_PHYS,
 408         .end   = PXA_CS0_PHYS + SZ_8K - 1,
 409         .flags = IORESOURCE_MEM,
 410 };
 411
 412 static struct platform_device docg3 = {
 413         .name          = "docg3",
 414         .id            = -1,
 415         .resource      = &docg3_resource,
 416         .num_resources = 1,
 417         .dev = {
 418                 .platform_data = NULL,
 419         },
 420 };
 421
 422 /*
 423  * Suspend/Resume bootstrap management
 424  *
 425  * MIO A701 reboot sequence is highly ROM dependent. From the one dissassembled,
 426  * this sequence is as follows :
 427  *   - disables interrupts
 428  *   - initialize SDRAM (self refresh RAM into active RAM)
 429  *   - initialize GPIOs (depends on value at 0xa020b020)
 430  *   - initialize coprossessors
 431  *   - if edge detect on PWR_SCL(GPIO3), then proceed to cold start
 432  *   - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start
 433  *   - else do a resume, ie. jump to addr 0xa0100000
 434  */
 435 #define RESUME_ENABLE_ADDR      0xa020b000
 436 #define RESUME_ENABLE_VAL       0x0f0f0f0f
 437 #define RESUME_BT_ADDR          0xa020b020
 438 #define RESUME_UNKNOWN_ADDR     0xa020b024
 439 #define RESUME_VECTOR_ADDR      0xa0100000
 440 #define BOOTSTRAP_WORDS         mioa701_bootstrap_lg/4
 441
 442 static u32 *save_buffer;
 443
 444 static void install_bootstrap(void)
 445 {
 446         int i;
 447         u32 *rom_bootstrap  = phys_to_virt(RESUME_VECTOR_ADDR);
 448         u32 *src = &mioa701_bootstrap;
 449
 450         for (i = 0; i < BOOTSTRAP_WORDS; i++)
 451                 rom_bootstrap[i] = src[i];
 452 }
 453
 454
 455 static int mioa701_sys_suspend(void)
 456 {
 457         int i = 0, is_bt_on;
 458         u32 *mem_resume_vector  = phys_to_virt(RESUME_VECTOR_ADDR);
 459         u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
 460         u32 *mem_resume_bt      = phys_to_virt(RESUME_BT_ADDR);
 461         u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
 462
 463         /* Devices prepare suspend */
 464         is_bt_on = !!gpio_get_value(GPIO83_BT_ON);
 465         pxa2xx_mfp_set_lpm(GPIO83_BT_ON,
 466                            is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW);
 467
 468         for (i = 0; i < BOOTSTRAP_WORDS; i++)
 469                 save_buffer[i] = mem_resume_vector[i];
 470         save_buffer[i++] = *mem_resume_enabler;
 471         save_buffer[i++] = *mem_resume_bt;
 472         save_buffer[i++] = *mem_resume_unknown;
 473
 474         *mem_resume_enabler = RESUME_ENABLE_VAL;
 475         *mem_resume_bt      = is_bt_on;
 476
 477         install_bootstrap();
 478         return 0;
 479 }
 480
 481 static void mioa701_sys_resume(void)
 482 {
 483         int i = 0;
 484         u32 *mem_resume_vector  = phys_to_virt(RESUME_VECTOR_ADDR);
 485         u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
 486         u32 *mem_resume_bt      = phys_to_virt(RESUME_BT_ADDR);
 487         u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
 488
 489         for (i = 0; i < BOOTSTRAP_WORDS; i++)
 490                 mem_resume_vector[i] = save_buffer[i];
 491         *mem_resume_enabler = save_buffer[i++];
 492         *mem_resume_bt      = save_buffer[i++];
 493         *mem_resume_unknown = save_buffer[i++];
 494 }
 495
 496 static struct syscore_ops mioa701_syscore_ops = {
 497         .suspend        = mioa701_sys_suspend,
 498         .resume         = mioa701_sys_resume,
 499 };
 500
 501 static int __init bootstrap_init(void)
 502 {
 503         int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3);
 504
 505         register_syscore_ops(&mioa701_syscore_ops);
 506
 507         save_buffer = kmalloc(save_size, GFP_KERNEL);
 508         if (!save_buffer)
 509                 return -ENOMEM;
 510         printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n",
 511                save_size);
 512         return 0;
 513 }
 514
 515 static void bootstrap_exit(void)
 516 {
 517         kfree(save_buffer);
 518         unregister_syscore_ops(&mioa701_syscore_ops);
 519
 520         printk(KERN_CRIT "Unregistering mioa701 suspend will hang next"
 521                "resume !!!\n");
 522 }
 523
 524 /*
 525  * Power Supply
 526  */
 527 static char *supplicants[] = {
 528         "mioa701_battery"
 529 };
 530
 531 static int is_ac_connected(void)
 532 {
 533         return gpio_get_value(GPIO96_AC_DETECT);
 534 }
 535
 536 static void mioa701_set_charge(int flags)
 537 {
 538         gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB));
 539 }
 540
 541 static struct pda_power_pdata power_pdata = {
 542         .is_ac_online   = is_ac_connected,
 543         .is_usb_online  = is_usb_connected,
 544         .set_charge = mioa701_set_charge,
 545         .supplied_to = supplicants,
 546         .num_supplicants = ARRAY_SIZE(supplicants),
 547 };
 548
 549 static struct resource power_resources[] = {
 550         [0] = {
 551                 .name   = "ac",
 552                 .start  = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
 553                 .end    = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
 554                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
 555                 IORESOURCE_IRQ_LOWEDGE,
 556         },
 557         [1] = {
 558                 .name   = "usb",
 559                 .start  = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
 560                 .end    = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
 561                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
 562                 IORESOURCE_IRQ_LOWEDGE,
 563         },
 564 };
 565
 566 static struct platform_device power_dev = {
 567         .name           = "pda-power",
 568         .id             = -1,
 569         .resource       = power_resources,
 570         .num_resources  = ARRAY_SIZE(power_resources),
 571         .dev = {
 572                 .platform_data  = &power_pdata,
 573         },
 574 };
 575
 576 static struct wm97xx_batt_pdata mioa701_battery_data = {
 577         .batt_aux       = WM97XX_AUX_ID1,
 578         .temp_aux       = -1,
 579         .charge_gpio    = -1,
 580         .min_voltage    = 0xc00,
 581         .max_voltage    = 0xfc0,
 582         .batt_tech      = POWER_SUPPLY_TECHNOLOGY_LION,
 583         .batt_div       = 1,
 584         .batt_mult      = 1,
 585         .batt_name      = "mioa701_battery",
 586 };
 587
 588 static struct wm97xx_pdata mioa701_wm97xx_pdata = {
 589         .batt_pdata     = &mioa701_battery_data,
 590 };
 591
 592 /*
 593  * Voltage regulation
 594  */
 595 static struct regulator_consumer_supply max1586_consumers[] = {
 596         REGULATOR_SUPPLY("vcc_core", NULL),
 597 };
 598
 599 static struct regulator_init_data max1586_v3_info = {
 600         .constraints = {
 601                 .name = "vcc_core range",
 602                 .min_uV = 1000000,
 603                 .max_uV = 1705000,
 604                 .always_on = 1,
 605                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 606         },
 607         .num_consumer_supplies = ARRAY_SIZE(max1586_consumers),
 608         .consumer_supplies = max1586_consumers,
 609 };
 610
 611 static struct max1586_subdev_data max1586_subdevs[] = {
 612         { .name = "vcc_core", .id = MAX1586_V3,
 613           .platform_data = &max1586_v3_info },
 614 };
 615
 616 static struct max1586_platform_data max1586_info = {
 617         .subdevs = max1586_subdevs,
 618         .num_subdevs = ARRAY_SIZE(max1586_subdevs),
 619         .v3_gain = MAX1586_GAIN_NO_R24, /* 700..1475 mV */
 620 };
 621
 622 /*
 623  * Camera interface
 624  */
 625 struct pxacamera_platform_data mioa701_pxacamera_platform_data = {
 626         .flags  = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
 627                 PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
 628         .mclk_10khz = 5000,
 629         .sensor_i2c_adapter_id = 0,
 630         .sensor_i2c_address = 0x5d,
 631 };
 632
 633 static struct i2c_board_info __initdata mioa701_pi2c_devices[] = {
 634         {
 635                 I2C_BOARD_INFO("max1586", 0x14),
 636                 .platform_data = &max1586_info,
 637         },
 638 };
 639
 640 /* Board I2C devices. */
 641 static struct i2c_board_info mioa701_i2c_devices[] = {
 642         {
 643                 I2C_BOARD_INFO("mt9m111", 0x5d),
 644         },
 645 };
 646
 647 struct i2c_pxa_platform_data i2c_pdata = {
 648         .fast_mode = 1,
 649 };
 650
 651 static pxa2xx_audio_ops_t mioa701_ac97_info = {
 652         .reset_gpio = 95,
 653         .codec_pdata = { &mioa701_wm97xx_pdata, },
 654 };
 655
 656 /*
 657  * Mio global
 658  */
 659
 660 /* Devices */
 661 #define MIO_PARENT_DEV(var, strname, tparent, pdata)    \
 662 static struct platform_device var = {                   \
 663         .name           = strname,                      \
 664         .id             = -1,                           \
 665         .dev            = {                             \
 666                 .platform_data = pdata,                 \
 667                 .parent = tparent,                      \
 668         },                                              \
 669 };
 670 #define MIO_SIMPLE_DEV(var, strname, pdata)     \
 671         MIO_PARENT_DEV(var, strname, NULL, pdata)
 672
 673 MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys",      &mioa701_gpio_keys_data)
 674 MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight",  &pxa27x_device_pwm0.dev,
 675                 &mioa701_backlight_data);
 676 MIO_SIMPLE_DEV(mioa701_led,       "leds-gpio",      &gpio_led_info)
 677 MIO_SIMPLE_DEV(pxa2xx_pcm,        "pxa2xx-pcm",     NULL)
 678 MIO_SIMPLE_DEV(mioa701_sound,     "mioa701-wm9713", NULL)
 679 MIO_SIMPLE_DEV(mioa701_board,     "mioa701-board",  NULL)
 680 MIO_SIMPLE_DEV(wm9713_acodec,     "wm9713-codec",   NULL);
 681 MIO_SIMPLE_DEV(gpio_vbus,         "gpio-vbus",      &gpio_vbus_data);
 682
 683 static struct platform_device *devices[] __initdata = {
 684         &mioa701_gpio_keys,
 685         &mioa701_backlight,
 686         &mioa701_led,
 687         &wm9713_acodec,
 688         &pxa2xx_pcm,
 689         &mioa701_sound,
 690         &power_dev,
 691         &docg3,
 692         &gpio_vbus,
 693         &mioa701_board,
 694 };
 695
 696 static void mioa701_machine_exit(void);
 697
 698 static void mioa701_poweroff(void)
 699 {
 700         mioa701_machine_exit();
 701         pxa_restart(REBOOT_SOFT, NULL);
 702 }
 703
 704 static void mioa701_restart(enum reboot_mode c, const char *cmd)
 705 {
 706         mioa701_machine_exit();
 707         pxa_restart(REBOOT_SOFT, cmd);
 708 }
 709
 710 static struct gpio global_gpios[] = {
 711         { GPIO9_CHARGE_EN, GPIOF_OUT_INIT_HIGH, "Charger enable" },
 712         { GPIO18_POWEROFF, GPIOF_OUT_INIT_LOW, "Power Off" },
 713         { GPIO87_LCD_POWER, GPIOF_OUT_INIT_LOW, "LCD Power" },
 714         { GPIO56_MT9M111_nOE, GPIOF_OUT_INIT_LOW, "Camera nOE" },
 715 };
 716
 717 static struct regulator_consumer_supply fixed_5v0_consumers[] = {
 718         REGULATOR_SUPPLY("power", "pwm-backlight"),
 719 };
 720
 721 static void __init mioa701_machine_init(void)
 722 {
 723         int rc;
 724
 725         PSLR  = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */
 726         PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE;
 727         RTTR = 32768 - 1; /* Reset crazy WinCE value */
 728         UP2OCR = UP2OCR_HXOE;
 729
 730         /*
 731          * Set up the flash memory : DiskOnChip G3 on first static memory bank
 732          */
 733         __raw_writel(0x7ff02dd8, MSC0);
 734         __raw_writel(0x0001c391, MCMEM0);
 735         __raw_writel(0x0001c391, MCATT0);
 736         __raw_writel(0x0001c391, MCIO0);
 737
 738
 739         pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
 740         pxa_set_ffuart_info(NULL);
 741         pxa_set_btuart_info(NULL);
 742         pxa_set_stuart_info(NULL);
 743         rc = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
 744         if (rc)
 745                 pr_err("MioA701: Failed to request GPIOs: %d", rc);
 746         bootstrap_init();
 747         pxa_set_fb_info(NULL, &mioa701_pxafb_info);
 748         pxa_set_mci_info(&mioa701_mci_info);
 749         pxa_set_keypad_info(&mioa701_keypad_info);
 750         pxa_set_udc_info(&mioa701_udc_info);
 751         pxa_set_ac97_info(&mioa701_ac97_info);
 752         pm_power_off = mioa701_poweroff;
 753         pwm_add_table(mioa701_pwm_lookup, ARRAY_SIZE(mioa701_pwm_lookup));
 754         platform_add_devices(devices, ARRAY_SIZE(devices));
 755         gsm_init();
 756
 757         i2c_register_board_info(0, ARRAY_AND_SIZE(mioa701_i2c_devices));
 758         i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices));
 759         pxa_set_i2c_info(&i2c_pdata);
 760         pxa27x_set_i2c_power_info(NULL);
 761         pxa_set_camera_info(&mioa701_pxacamera_platform_data);
 762
 763         regulator_register_always_on(0, "fixed-5.0V", fixed_5v0_consumers,
 764                                      ARRAY_SIZE(fixed_5v0_consumers),
 765                                      5000000);
 766         regulator_has_full_constraints();
 767 }
 768
 769 static void mioa701_machine_exit(void)
 770 {
 771         bootstrap_exit();
 772         gsm_exit();
 773 }
 774
 775 MACHINE_START(MIOA701, "MIO A701")
 776         .atag_offset    = 0x100,
 777         .map_io         = &pxa27x_map_io,
 778         .nr_irqs        = PXA_NR_IRQS,
 779         .init_irq       = &pxa27x_init_irq,
 780         .handle_irq     = &pxa27x_handle_irq,
 781         .init_machine   = mioa701_machine_init,
 782         .init_time      = pxa_timer_init,
 783         .restart        = mioa701_restart,
 784 MACHINE_END