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/i2c/pxa-i2c.h>
  46
  47 #include <asm/mach-types.h>
  48 #include <asm/mach/arch.h>
  49
  50 #include <mach/pxa27x.h>
  51 #include <mach/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 <mach/udc.h>
  56 #include <mach/pxa27x-udc.h>
  57 #include <linux/platform_data/camera-pxa.h>
  58 #include <mach/audio.h>
  59 #include <mach/smemc.h>
  60 #include <media/soc_camera.h>
  61
  62 #include <mach/mioa701.h>
  63
  64 #include "generic.h"
  65 #include "devices.h"
  66
  67 static unsigned long mioa701_pin_config[] = {
  68         /* Mio global */
  69         MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW),
  70         MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW),
  71         MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH),
  72         MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH),
  73         MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0),
  74
  75         /* Backlight PWM 0 */
  76         GPIO16_PWM0_OUT,
  77
  78         /* MMC */
  79         GPIO32_MMC_CLK,
  80         GPIO92_MMC_DAT_0,
  81         GPIO109_MMC_DAT_1,
  82         GPIO110_MMC_DAT_2,
  83         GPIO111_MMC_DAT_3,
  84         GPIO112_MMC_CMD,
  85         MIO_CFG_IN(GPIO78_SDIO_RO, AF0),
  86         MIO_CFG_IN(GPIO15_SDIO_INSERT, AF0),
  87         MIO_CFG_OUT(GPIO91_SDIO_EN, AF0, DRIVE_LOW),
  88
  89         /* USB */
  90         MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0),
  91         MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW),
  92
  93         /* LCD */
  94         GPIOxx_LCD_TFT_16BPP,
  95
  96         /* QCI */
  97         GPIO12_CIF_DD_7,
  98         GPIO17_CIF_DD_6,
  99         GPIO50_CIF_DD_3,
 100         GPIO51_CIF_DD_2,
 101         GPIO52_CIF_DD_4,
 102         GPIO53_CIF_MCLK,
 103         GPIO54_CIF_PCLK,
 104         GPIO55_CIF_DD_1,
 105         GPIO81_CIF_DD_0,
 106         GPIO82_CIF_DD_5,
 107         GPIO84_CIF_FV,
 108         GPIO85_CIF_LV,
 109         MIO_CFG_OUT(GPIO56_MT9M111_nOE, AF0, DRIVE_LOW),
 110
 111         /* Bluetooth */
 112         MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0),
 113         GPIO44_BTUART_CTS,
 114         GPIO42_BTUART_RXD,
 115         GPIO45_BTUART_RTS,
 116         GPIO43_BTUART_TXD,
 117         MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW),
 118         MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH),
 119         MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH),
 120
 121         /* GPS */
 122         MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW),
 123         MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW),
 124         MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW),
 125         MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW),
 126         MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW),
 127         GPIO46_STUART_RXD,
 128         GPIO47_STUART_TXD,
 129
 130         /* GSM */
 131         MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW),
 132         MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH),
 133         MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH),
 134         MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH),
 135         MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0),
 136         MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH,
 137         GPIO34_FFUART_RXD,
 138         GPIO35_FFUART_CTS,
 139         GPIO36_FFUART_DCD,
 140         GPIO37_FFUART_DSR,
 141         GPIO39_FFUART_TXD,
 142         GPIO40_FFUART_DTR,
 143         GPIO41_FFUART_RTS,
 144
 145         /* Sound */
 146         GPIO28_AC97_BITCLK,
 147         GPIO29_AC97_SDATA_IN_0,
 148         GPIO30_AC97_SDATA_OUT,
 149         GPIO31_AC97_SYNC,
 150         GPIO89_AC97_SYSCLK,
 151         MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0),
 152
 153         /* Leds */
 154         MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH),
 155         MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH),
 156         MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH),
 157         MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH),
 158         MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH),
 159
 160         /* Keyboard */
 161         MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH,
 162         MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0),
 163         MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0),
 164         GPIO100_KP_MKIN_0,
 165         GPIO101_KP_MKIN_1,
 166         GPIO102_KP_MKIN_2,
 167         GPIO103_KP_MKOUT_0,
 168         GPIO104_KP_MKOUT_1,
 169         GPIO105_KP_MKOUT_2,
 170
 171         /* I2C */
 172         GPIO117_I2C_SCL,
 173         GPIO118_I2C_SDA,
 174
 175         /* Unknown */
 176         MFP_CFG_IN(GPIO20, AF0),
 177         MFP_CFG_IN(GPIO21, AF0),
 178         MFP_CFG_IN(GPIO33, AF0),
 179         MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH),
 180         MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH),
 181         MFP_CFG_IN(GPIO96, AF0),
 182         MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH),
 183 };
 184
 185 static struct pwm_lookup mioa701_pwm_lookup[] = {
 186         PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight", NULL, 4000 * 1024,
 187                    PWM_POLARITY_NORMAL),
 188 };
 189
 190 /* LCD Screen and Backlight */
 191 static struct platform_pwm_backlight_data mioa701_backlight_data = {
 192         .max_brightness = 100,
 193         .dft_brightness = 50,
 194         .enable_gpio    = -1,
 195 };
 196
 197 /*
 198  * LTM0305A776C LCD panel timings
 199  *
 200  * see:
 201  *  - the LTM0305A776C datasheet,
 202  *  - and the PXA27x Programmers' manual
 203  */
 204 static struct pxafb_mode_info mioa701_ltm0305a776c = {
 205         .pixclock               = 220000,       /* CLK=4.545 MHz */
 206         .xres                   = 240,
 207         .yres                   = 320,
 208         .bpp                    = 16,
 209         .hsync_len              = 4,
 210         .vsync_len              = 2,
 211         .left_margin            = 6,
 212         .right_margin           = 4,
 213         .upper_margin           = 5,
 214         .lower_margin           = 3,
 215 };
 216
 217 static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
 218 {
 219         gpio_set_value(GPIO87_LCD_POWER, on);
 220 }
 221
 222 static struct pxafb_mach_info mioa701_pxafb_info = {
 223         .modes                  = &mioa701_ltm0305a776c,
 224         .num_modes              = 1,
 225         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 226         .pxafb_lcd_power        = mioa701_lcd_power,
 227 };
 228
 229 /*
 230  * Keyboard configuration
 231  */
 232 static const unsigned int mioa701_matrix_keys[] = {
 233         KEY(0, 0, KEY_UP),
 234         KEY(0, 1, KEY_RIGHT),
 235         KEY(0, 2, KEY_MEDIA),
 236         KEY(1, 0, KEY_DOWN),
 237         KEY(1, 1, KEY_ENTER),
 238         KEY(1, 2, KEY_CONNECT), /* GPS key */
 239         KEY(2, 0, KEY_LEFT),
 240         KEY(2, 1, KEY_PHONE),   /* Phone Green key */
 241         KEY(2, 2, KEY_CAMERA)   /* Camera key */
 242 };
 243
 244 static struct matrix_keymap_data mioa701_matrix_keymap_data = {
 245         .keymap                 = mioa701_matrix_keys,
 246         .keymap_size            = ARRAY_SIZE(mioa701_matrix_keys),
 247 };
 248
 249 static struct pxa27x_keypad_platform_data mioa701_keypad_info = {
 250         .matrix_key_rows = 3,
 251         .matrix_key_cols = 3,
 252         .matrix_keymap_data = &mioa701_matrix_keymap_data,
 253 };
 254
 255 /*
 256  * GPIO Key Configuration
 257  */
 258 #define MIO_KEY(key, _gpio, _desc, _wakeup) \
 259         { .code = (key), .gpio = (_gpio), .active_low = 0, \
 260         .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) }
 261 static struct gpio_keys_button mioa701_button_table[] = {
 262         MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1),
 263         MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0),
 264         MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0),
 265         MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0)
 266 };
 267
 268 static struct gpio_keys_platform_data mioa701_gpio_keys_data = {
 269         .buttons  = mioa701_button_table,
 270         .nbuttons = ARRAY_SIZE(mioa701_button_table),
 271 };
 272
 273 /*
 274  * Leds and vibrator
 275  */
 276 #define ONE_LED(_gpio, _name) \
 277 { .gpio = (_gpio), .name = (_name), .active_low = true }
 278 static struct gpio_led gpio_leds[] = {
 279         ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"),
 280         ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"),
 281         ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"),
 282         ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"),
 283         ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard")
 284 };
 285
 286 static struct gpio_led_platform_data gpio_led_info = {
 287         .leds = gpio_leds,
 288         .num_leds = ARRAY_SIZE(gpio_leds),
 289 };
 290
 291 /*
 292  * GSM Sagem XS200 chip
 293  *
 294  * GSM handling was purged from kernel. For history, this is the way to go :
 295  *   - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1
 296  *            GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1
 297  *   - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100),
 298  *             GPIO24_GSM_MOD_RESET_CMD = 0
 299  *   - turn on  : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000),
 300  *                GPIO88_GSM_nMOD_ON_CMD = 1
 301  *   - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000),
 302  *                GPIO90_GSM_nMOD_OFF_CMD = 1
 303  */
 304 static int is_gsm_on(void)
 305 {
 306         int is_on;
 307
 308         is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE);
 309         return is_on;
 310 }
 311
 312 irqreturn_t gsm_on_irq(int irq, void *p)
 313 {
 314         printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n",
 315                is_gsm_on() ? "on" : "off");
 316         return IRQ_HANDLED;
 317 }
 318
 319 static struct gpio gsm_gpios[] = {
 320         { GPIO25_GSM_MOD_ON_STATE, GPIOF_IN, "GSM state" },
 321         { GPIO113_GSM_EVENT, GPIOF_IN, "GSM event" },
 322 };
 323
 324 static int __init gsm_init(void)
 325 {
 326         int rc;
 327
 328         rc = gpio_request_array(ARRAY_AND_SIZE(gsm_gpios));
 329         if (rc)
 330                 goto err_gpio;
 331         rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq,
 332                          IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
 333                          "GSM XS200 Power Irq", NULL);
 334         if (rc)
 335                 goto err_irq;
 336
 337         gpio_set_wake(GPIO113_GSM_EVENT, 1);
 338         return 0;
 339
 340 err_irq:
 341         printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n");
 342         gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
 343 err_gpio:
 344         printk(KERN_ERR "Mioa701: gsm not available\n");
 345         return rc;
 346 }
 347
 348 static void gsm_exit(void)
 349 {
 350         free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL);
 351         gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
 352 }
 353
 354 /*
 355  * Bluetooth BRF6150 chip
 356  *
 357  * BT handling was purged from kernel. For history, this is the way to go :
 358  * - turn on  : GPIO83_BT_ON = 1
 359  * - turn off : GPIO83_BT_ON = 0
 360  */
 361
 362 /*
 363  * GPS Sirf Star III chip
 364  *
 365  * GPS handling was purged from kernel. For history, this is the way to go :
 366  * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
 367  *          GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0
 368  * - turn on  : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1
 369  * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
 370  */
 371
 372 /*
 373  * USB UDC
 374  */
 375 static int is_usb_connected(void)
 376 {
 377         return !gpio_get_value(GPIO13_nUSB_DETECT);
 378 }
 379
 380 static struct pxa2xx_udc_mach_info mioa701_udc_info = {
 381         .udc_is_connected = is_usb_connected,
 382         .gpio_pullup      = GPIO22_USB_ENABLE,
 383 };
 384
 385 struct gpio_vbus_mach_info gpio_vbus_data = {
 386         .gpio_vbus = GPIO13_nUSB_DETECT,
 387         .gpio_vbus_inverted = 1,
 388         .gpio_pullup = -1,
 389 };
 390
 391 /*
 392  * SDIO/MMC Card controller
 393  */
 394 /**
 395  * The card detect interrupt isn't debounced so we delay it by 250ms
 396  * to give the card a chance to fully insert/eject.
 397  */
 398 static struct pxamci_platform_data mioa701_mci_info = {
 399         .detect_delay_ms        = 250,
 400         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
 401         .gpio_card_detect       = GPIO15_SDIO_INSERT,
 402         .gpio_card_ro           = GPIO78_SDIO_RO,
 403         .gpio_power             = GPIO91_SDIO_EN,
 404 };
 405
 406 /* FlashRAM */
 407 static struct resource docg3_resource = {
 408         .start = PXA_CS0_PHYS,
 409         .end   = PXA_CS0_PHYS + SZ_8K - 1,
 410         .flags = IORESOURCE_MEM,
 411 };
 412
 413 static struct platform_device docg3 = {
 414         .name          = "docg3",
 415         .id            = -1,
 416         .resource      = &docg3_resource,
 417         .num_resources = 1,
 418         .dev = {
 419                 .platform_data = NULL,
 420         },
 421 };
 422
 423 /*
 424  * Suspend/Resume bootstrap management
 425  *
 426  * MIO A701 reboot sequence is highly ROM dependent. From the one dissassembled,
 427  * this sequence is as follows :
 428  *   - disables interrupts
 429  *   - initialize SDRAM (self refresh RAM into active RAM)
 430  *   - initialize GPIOs (depends on value at 0xa020b020)
 431  *   - initialize coprossessors
 432  *   - if edge detect on PWR_SCL(GPIO3), then proceed to cold start
 433  *   - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start
 434  *   - else do a resume, ie. jump to addr 0xa0100000
 435  */
 436 #define RESUME_ENABLE_ADDR      0xa020b000
 437 #define RESUME_ENABLE_VAL       0x0f0f0f0f
 438 #define RESUME_BT_ADDR          0xa020b020
 439 #define RESUME_UNKNOWN_ADDR     0xa020b024
 440 #define RESUME_VECTOR_ADDR      0xa0100000
 441 #define BOOTSTRAP_WORDS         mioa701_bootstrap_lg/4
 442
 443 static u32 *save_buffer;
 444
 445 static void install_bootstrap(void)
 446 {
 447         int i;
 448         u32 *rom_bootstrap  = phys_to_virt(RESUME_VECTOR_ADDR);
 449         u32 *src = &mioa701_bootstrap;
 450
 451         for (i = 0; i < BOOTSTRAP_WORDS; i++)
 452                 rom_bootstrap[i] = src[i];
 453 }
 454
 455
 456 static int mioa701_sys_suspend(void)
 457 {
 458         int i = 0, is_bt_on;
 459         u32 *mem_resume_vector  = phys_to_virt(RESUME_VECTOR_ADDR);
 460         u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
 461         u32 *mem_resume_bt      = phys_to_virt(RESUME_BT_ADDR);
 462         u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
 463
 464         /* Devices prepare suspend */
 465         is_bt_on = !!gpio_get_value(GPIO83_BT_ON);
 466         pxa2xx_mfp_set_lpm(GPIO83_BT_ON,
 467                            is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW);
 468
 469         for (i = 0; i < BOOTSTRAP_WORDS; i++)
 470                 save_buffer[i] = mem_resume_vector[i];
 471         save_buffer[i++] = *mem_resume_enabler;
 472         save_buffer[i++] = *mem_resume_bt;
 473         save_buffer[i++] = *mem_resume_unknown;
 474
 475         *mem_resume_enabler = RESUME_ENABLE_VAL;
 476         *mem_resume_bt      = is_bt_on;
 477
 478         install_bootstrap();
 479         return 0;
 480 }
 481
 482 static void mioa701_sys_resume(void)
 483 {
 484         int i = 0;
 485         u32 *mem_resume_vector  = phys_to_virt(RESUME_VECTOR_ADDR);
 486         u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
 487         u32 *mem_resume_bt      = phys_to_virt(RESUME_BT_ADDR);
 488         u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
 489
 490         for (i = 0; i < BOOTSTRAP_WORDS; i++)
 491                 mem_resume_vector[i] = save_buffer[i];
 492         *mem_resume_enabler = save_buffer[i++];
 493         *mem_resume_bt      = save_buffer[i++];
 494         *mem_resume_unknown = save_buffer[i++];
 495 }
 496
 497 static struct syscore_ops mioa701_syscore_ops = {
 498         .suspend        = mioa701_sys_suspend,
 499         .resume         = mioa701_sys_resume,
 500 };
 501
 502 static int __init bootstrap_init(void)
 503 {
 504         int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3);
 505
 506         register_syscore_ops(&mioa701_syscore_ops);
 507
 508         save_buffer = kmalloc(save_size, GFP_KERNEL);
 509         if (!save_buffer)
 510                 return -ENOMEM;
 511         printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n",
 512                save_size);
 513         return 0;
 514 }
 515
 516 static void bootstrap_exit(void)
 517 {
 518         kfree(save_buffer);
 519         unregister_syscore_ops(&mioa701_syscore_ops);
 520
 521         printk(KERN_CRIT "Unregistering mioa701 suspend will hang next"
 522                "resume !!!\n");
 523 }
 524
 525 /*
 526  * Power Supply
 527  */
 528 static char *supplicants[] = {
 529         "mioa701_battery"
 530 };
 531
 532 static int is_ac_connected(void)
 533 {
 534         return gpio_get_value(GPIO96_AC_DETECT);
 535 }
 536
 537 static void mioa701_set_charge(int flags)
 538 {
 539         gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB));
 540 }
 541
 542 static struct pda_power_pdata power_pdata = {
 543         .is_ac_online   = is_ac_connected,
 544         .is_usb_online  = is_usb_connected,
 545         .set_charge = mioa701_set_charge,
 546         .supplied_to = supplicants,
 547         .num_supplicants = ARRAY_SIZE(supplicants),
 548 };
 549
 550 static struct resource power_resources[] = {
 551         [0] = {
 552                 .name   = "ac",
 553                 .start  = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
 554                 .end    = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
 555                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
 556                 IORESOURCE_IRQ_LOWEDGE,
 557         },
 558         [1] = {
 559                 .name   = "usb",
 560                 .start  = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
 561                 .end    = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
 562                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
 563                 IORESOURCE_IRQ_LOWEDGE,
 564         },
 565 };
 566
 567 static struct platform_device power_dev = {
 568         .name           = "pda-power",
 569         .id             = -1,
 570         .resource       = power_resources,
 571         .num_resources  = ARRAY_SIZE(power_resources),
 572         .dev = {
 573                 .platform_data  = &power_pdata,
 574         },
 575 };
 576
 577 static struct wm97xx_batt_pdata mioa701_battery_data = {
 578         .batt_aux       = WM97XX_AUX_ID1,
 579         .temp_aux       = -1,
 580         .charge_gpio    = -1,
 581         .min_voltage    = 0xc00,
 582         .max_voltage    = 0xfc0,
 583         .batt_tech      = POWER_SUPPLY_TECHNOLOGY_LION,
 584         .batt_div       = 1,
 585         .batt_mult      = 1,
 586         .batt_name      = "mioa701_battery",
 587 };
 588
 589 static struct wm97xx_pdata mioa701_wm97xx_pdata = {
 590         .batt_pdata     = &mioa701_battery_data,
 591 };
 592
 593 /*
 594  * Voltage regulation
 595  */
 596 static struct regulator_consumer_supply max1586_consumers[] = {
 597         REGULATOR_SUPPLY("vcc_core", NULL),
 598 };
 599
 600 static struct regulator_init_data max1586_v3_info = {
 601         .constraints = {
 602                 .name = "vcc_core range",
 603                 .min_uV = 1000000,
 604                 .max_uV = 1705000,
 605                 .always_on = 1,
 606                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 607         },
 608         .num_consumer_supplies = ARRAY_SIZE(max1586_consumers),
 609         .consumer_supplies = max1586_consumers,
 610 };
 611
 612 static struct max1586_subdev_data max1586_subdevs[] = {
 613         { .name = "vcc_core", .id = MAX1586_V3,
 614           .platform_data = &max1586_v3_info },
 615 };
 616
 617 static struct max1586_platform_data max1586_info = {
 618         .subdevs = max1586_subdevs,
 619         .num_subdevs = ARRAY_SIZE(max1586_subdevs),
 620         .v3_gain = MAX1586_GAIN_NO_R24, /* 700..1475 mV */
 621 };
 622
 623 /*
 624  * Camera interface
 625  */
 626 struct pxacamera_platform_data mioa701_pxacamera_platform_data = {
 627         .flags  = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
 628                 PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
 629         .mclk_10khz = 5000,
 630 };
 631
 632 static struct i2c_board_info __initdata mioa701_pi2c_devices[] = {
 633         {
 634                 I2C_BOARD_INFO("max1586", 0x14),
 635                 .platform_data = &max1586_info,
 636         },
 637 };
 638
 639 /* Board I2C devices. */
 640 static struct i2c_board_info mioa701_i2c_devices[] = {
 641         {
 642                 I2C_BOARD_INFO("mt9m111", 0x5d),
 643         },
 644 };
 645
 646 static struct soc_camera_link iclink = {
 647         .bus_id         = 0, /* Match id in pxa27x_device_camera in device.c */
 648         .board_info     = &mioa701_i2c_devices[0],
 649         .i2c_adapter_id = 0,
 650 };
 651
 652 struct i2c_pxa_platform_data i2c_pdata = {
 653         .fast_mode = 1,
 654 };
 655
 656 static pxa2xx_audio_ops_t mioa701_ac97_info = {
 657         .reset_gpio = 95,
 658         .codec_pdata = { &mioa701_wm97xx_pdata, },
 659 };
 660
 661 /*
 662  * Mio global
 663  */
 664
 665 /* Devices */
 666 #define MIO_PARENT_DEV(var, strname, tparent, pdata)    \
 667 static struct platform_device var = {                   \
 668         .name           = strname,                      \
 669         .id             = -1,                           \
 670         .dev            = {                             \
 671                 .platform_data = pdata,                 \
 672                 .parent = tparent,                      \
 673         },                                              \
 674 };
 675 #define MIO_SIMPLE_DEV(var, strname, pdata)     \
 676         MIO_PARENT_DEV(var, strname, NULL, pdata)
 677
 678 MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys",      &mioa701_gpio_keys_data)
 679 MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight",  &pxa27x_device_pwm0.dev,
 680                 &mioa701_backlight_data);
 681 MIO_SIMPLE_DEV(mioa701_led,       "leds-gpio",      &gpio_led_info)
 682 MIO_SIMPLE_DEV(pxa2xx_pcm,        "pxa2xx-pcm",     NULL)
 683 MIO_SIMPLE_DEV(mioa701_sound,     "mioa701-wm9713", NULL)
 684 MIO_SIMPLE_DEV(mioa701_board,     "mioa701-board",  NULL)
 685 MIO_SIMPLE_DEV(wm9713_acodec,     "wm9713-codec",   NULL);
 686 MIO_SIMPLE_DEV(gpio_vbus,         "gpio-vbus",      &gpio_vbus_data);
 687 MIO_SIMPLE_DEV(mioa701_camera,    "soc-camera-pdrv",&iclink);
 688
 689 static struct platform_device *devices[] __initdata = {
 690         &mioa701_gpio_keys,
 691         &mioa701_backlight,
 692         &mioa701_led,
 693         &wm9713_acodec,
 694         &pxa2xx_pcm,
 695         &mioa701_sound,
 696         &power_dev,
 697         &docg3,
 698         &gpio_vbus,
 699         &mioa701_camera,
 700         &mioa701_board,
 701 };
 702
 703 static void mioa701_machine_exit(void);
 704
 705 static void mioa701_poweroff(void)
 706 {
 707         mioa701_machine_exit();
 708         pxa_restart(REBOOT_SOFT, NULL);
 709 }
 710
 711 static void mioa701_restart(enum reboot_mode c, const char *cmd)
 712 {
 713         mioa701_machine_exit();
 714         pxa_restart(REBOOT_SOFT, cmd);
 715 }
 716
 717 static struct gpio global_gpios[] = {
 718         { GPIO9_CHARGE_EN, GPIOF_OUT_INIT_HIGH, "Charger enable" },
 719         { GPIO18_POWEROFF, GPIOF_OUT_INIT_LOW, "Power Off" },
 720         { GPIO87_LCD_POWER, GPIOF_OUT_INIT_LOW, "LCD Power" },
 721         { GPIO56_MT9M111_nOE, GPIOF_OUT_INIT_LOW, "Camera nOE" },
 722 };
 723
 724 static struct regulator_consumer_supply fixed_5v0_consumers[] = {
 725         REGULATOR_SUPPLY("power", "pwm-backlight"),
 726 };
 727
 728 static void __init mioa701_machine_init(void)
 729 {
 730         int rc;
 731
 732         PSLR  = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */
 733         PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE;
 734         RTTR = 32768 - 1; /* Reset crazy WinCE value */
 735         UP2OCR = UP2OCR_HXOE;
 736
 737         /*
 738          * Set up the flash memory : DiskOnChip G3 on first static memory bank
 739          */
 740         __raw_writel(0x7ff02dd8, MSC0);
 741         __raw_writel(0x0001c391, MCMEM0);
 742         __raw_writel(0x0001c391, MCATT0);
 743         __raw_writel(0x0001c391, MCIO0);
 744
 745
 746         pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
 747         pxa_set_ffuart_info(NULL);
 748         pxa_set_btuart_info(NULL);
 749         pxa_set_stuart_info(NULL);
 750         rc = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
 751         if (rc)
 752                 pr_err("MioA701: Failed to request GPIOs: %d", rc);
 753         bootstrap_init();
 754         pxa_set_fb_info(NULL, &mioa701_pxafb_info);
 755         pxa_set_mci_info(&mioa701_mci_info);
 756         pxa_set_keypad_info(&mioa701_keypad_info);
 757         pxa_set_udc_info(&mioa701_udc_info);
 758         pxa_set_ac97_info(&mioa701_ac97_info);
 759         pm_power_off = mioa701_poweroff;
 760         pwm_add_table(mioa701_pwm_lookup, ARRAY_SIZE(mioa701_pwm_lookup));
 761         platform_add_devices(devices, ARRAY_SIZE(devices));
 762         gsm_init();
 763
 764         i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices));
 765         pxa_set_i2c_info(&i2c_pdata);
 766         pxa27x_set_i2c_power_info(NULL);
 767         pxa_set_camera_info(&mioa701_pxacamera_platform_data);
 768
 769         regulator_register_always_on(0, "fixed-5.0V", fixed_5v0_consumers,
 770                                      ARRAY_SIZE(fixed_5v0_consumers),
 771                                      5000000);
 772 }
 773
 774 static void mioa701_machine_exit(void)
 775 {
 776         bootstrap_exit();
 777         gsm_exit();
 778 }
 779
 780 MACHINE_START(MIOA701, "MIO A701")
 781         .atag_offset    = 0x100,
 782         .map_io         = &pxa27x_map_io,
 783         .nr_irqs        = PXA_NR_IRQS,
 784         .init_irq       = &pxa27x_init_irq,
 785         .handle_irq     = &pxa27x_handle_irq,
 786         .init_machine   = mioa701_machine_init,
 787         .init_time      = pxa_timer_init,
 788         .restart        = mioa701_restart,
 789 MACHINE_END