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/reboot.h>
  41 #include <linux/regulator/max1586.h>
  42 #include <linux/slab.h>
  43 #include <linux/i2c/pxa-i2c.h>
  44
  45 #include <asm/mach-types.h>
  46 #include <asm/mach/arch.h>
  47
  48 #include <mach/pxa27x.h>
  49 #include <mach/regs-rtc.h>
  50 #include <linux/platform_data/keypad-pxa27x.h>
  51 #include <linux/platform_data/video-pxafb.h>
  52 #include <linux/platform_data/mmc-pxamci.h>
  53 #include <mach/udc.h>
  54 #include <mach/pxa27x-udc.h>
  55 #include <linux/platform_data/camera-pxa.h>
  56 #include <mach/audio.h>
  57 #include <mach/smemc.h>
  58 #include <media/soc_camera.h>
  59
  60 #include <mach/mioa701.h>
  61
  62 #include "generic.h"
  63 #include "devices.h"
  64
  65 static unsigned long mioa701_pin_config[] = {
  66         /* Mio global */
  67         MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW),
  68         MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW),
  69         MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH),
  70         MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH),
  71         MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0),
  72
  73         /* Backlight PWM 0 */
  74         GPIO16_PWM0_OUT,
  75
  76         /* MMC */
  77         GPIO32_MMC_CLK,
  78         GPIO92_MMC_DAT_0,
  79         GPIO109_MMC_DAT_1,
  80         GPIO110_MMC_DAT_2,
  81         GPIO111_MMC_DAT_3,
  82         GPIO112_MMC_CMD,
  83         MIO_CFG_IN(GPIO78_SDIO_RO, AF0),
  84         MIO_CFG_IN(GPIO15_SDIO_INSERT, AF0),
  85         MIO_CFG_OUT(GPIO91_SDIO_EN, AF0, DRIVE_LOW),
  86
  87         /* USB */
  88         MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0),
  89         MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW),
  90
  91         /* LCD */
  92         GPIOxx_LCD_TFT_16BPP,
  93
  94         /* QCI */
  95         GPIO12_CIF_DD_7,
  96         GPIO17_CIF_DD_6,
  97         GPIO50_CIF_DD_3,
  98         GPIO51_CIF_DD_2,
  99         GPIO52_CIF_DD_4,
 100         GPIO53_CIF_MCLK,
 101         GPIO54_CIF_PCLK,
 102         GPIO55_CIF_DD_1,
 103         GPIO81_CIF_DD_0,
 104         GPIO82_CIF_DD_5,
 105         GPIO84_CIF_FV,
 106         GPIO85_CIF_LV,
 107         MIO_CFG_OUT(GPIO56_MT9M111_nOE, AF0, DRIVE_LOW),
 108
 109         /* Bluetooth */
 110         MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0),
 111         GPIO44_BTUART_CTS,
 112         GPIO42_BTUART_RXD,
 113         GPIO45_BTUART_RTS,
 114         GPIO43_BTUART_TXD,
 115         MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW),
 116         MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH),
 117         MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH),
 118
 119         /* GPS */
 120         MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW),
 121         MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW),
 122         MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW),
 123         MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW),
 124         MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW),
 125         GPIO46_STUART_RXD,
 126         GPIO47_STUART_TXD,
 127
 128         /* GSM */
 129         MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW),
 130         MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH),
 131         MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH),
 132         MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH),
 133         MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0),
 134         MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH,
 135         GPIO34_FFUART_RXD,
 136         GPIO35_FFUART_CTS,
 137         GPIO36_FFUART_DCD,
 138         GPIO37_FFUART_DSR,
 139         GPIO39_FFUART_TXD,
 140         GPIO40_FFUART_DTR,
 141         GPIO41_FFUART_RTS,
 142
 143         /* Sound */
 144         GPIO28_AC97_BITCLK,
 145         GPIO29_AC97_SDATA_IN_0,
 146         GPIO30_AC97_SDATA_OUT,
 147         GPIO31_AC97_SYNC,
 148         GPIO89_AC97_SYSCLK,
 149         MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0),
 150
 151         /* Leds */
 152         MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH),
 153         MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH),
 154         MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH),
 155         MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH),
 156         MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH),
 157
 158         /* Keyboard */
 159         MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH,
 160         MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0),
 161         MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0),
 162         GPIO100_KP_MKIN_0,
 163         GPIO101_KP_MKIN_1,
 164         GPIO102_KP_MKIN_2,
 165         GPIO103_KP_MKOUT_0,
 166         GPIO104_KP_MKOUT_1,
 167         GPIO105_KP_MKOUT_2,
 168
 169         /* I2C */
 170         GPIO117_I2C_SCL,
 171         GPIO118_I2C_SDA,
 172
 173         /* Unknown */
 174         MFP_CFG_IN(GPIO20, AF0),
 175         MFP_CFG_IN(GPIO21, AF0),
 176         MFP_CFG_IN(GPIO33, AF0),
 177         MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH),
 178         MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH),
 179         MFP_CFG_IN(GPIO96, AF0),
 180         MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH),
 181 };
 182
 183 /* LCD Screen and Backlight */
 184 static struct platform_pwm_backlight_data mioa701_backlight_data = {
 185         .pwm_id         = 0,
 186         .max_brightness = 100,
 187         .dft_brightness = 50,
 188         .pwm_period_ns  = 4000 * 1024,  /* Fl = 250kHz */
 189         .enable_gpio    = -1,
 190 };
 191
 192 /*
 193  * LTM0305A776C LCD panel timings
 194  *
 195  * see:
 196  *  - the LTM0305A776C datasheet,
 197  *  - and the PXA27x Programmers' manual
 198  */
 199 static struct pxafb_mode_info mioa701_ltm0305a776c = {
 200         .pixclock               = 220000,       /* CLK=4.545 MHz */
 201         .xres                   = 240,
 202         .yres                   = 320,
 203         .bpp                    = 16,
 204         .hsync_len              = 4,
 205         .vsync_len              = 2,
 206         .left_margin            = 6,
 207         .right_margin           = 4,
 208         .upper_margin           = 5,
 209         .lower_margin           = 3,
 210 };
 211
 212 static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
 213 {
 214         gpio_set_value(GPIO87_LCD_POWER, on);
 215 }
 216
 217 static struct pxafb_mach_info mioa701_pxafb_info = {
 218         .modes                  = &mioa701_ltm0305a776c,
 219         .num_modes              = 1,
 220         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 221         .pxafb_lcd_power        = mioa701_lcd_power,
 222 };
 223
 224 /*
 225  * Keyboard configuration
 226  */
 227 static const unsigned int mioa701_matrix_keys[] = {
 228         KEY(0, 0, KEY_UP),
 229         KEY(0, 1, KEY_RIGHT),
 230         KEY(0, 2, KEY_MEDIA),
 231         KEY(1, 0, KEY_DOWN),
 232         KEY(1, 1, KEY_ENTER),
 233         KEY(1, 2, KEY_CONNECT), /* GPS key */
 234         KEY(2, 0, KEY_LEFT),
 235         KEY(2, 1, KEY_PHONE),   /* Phone Green key */
 236         KEY(2, 2, KEY_CAMERA)   /* Camera key */
 237 };
 238
 239 static struct matrix_keymap_data mioa701_matrix_keymap_data = {
 240         .keymap                 = mioa701_matrix_keys,
 241         .keymap_size            = ARRAY_SIZE(mioa701_matrix_keys),
 242 };
 243
 244 static struct pxa27x_keypad_platform_data mioa701_keypad_info = {
 245         .matrix_key_rows = 3,
 246         .matrix_key_cols = 3,
 247         .matrix_keymap_data = &mioa701_matrix_keymap_data,
 248 };
 249
 250 /*
 251  * GPIO Key Configuration
 252  */
 253 #define MIO_KEY(key, _gpio, _desc, _wakeup) \
 254         { .code = (key), .gpio = (_gpio), .active_low = 0, \
 255         .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) }
 256 static struct gpio_keys_button mioa701_button_table[] = {
 257         MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1),
 258         MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0),
 259         MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0),
 260         MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0)
 261 };
 262
 263 static struct gpio_keys_platform_data mioa701_gpio_keys_data = {
 264         .buttons  = mioa701_button_table,
 265         .nbuttons = ARRAY_SIZE(mioa701_button_table),
 266 };
 267
 268 /*
 269  * Leds and vibrator
 270  */
 271 #define ONE_LED(_gpio, _name) \
 272 { .gpio = (_gpio), .name = (_name), .active_low = true }
 273 static struct gpio_led gpio_leds[] = {
 274         ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"),
 275         ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"),
 276         ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"),
 277         ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"),
 278         ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard")
 279 };
 280
 281 static struct gpio_led_platform_data gpio_led_info = {
 282         .leds = gpio_leds,
 283         .num_leds = ARRAY_SIZE(gpio_leds),
 284 };
 285
 286 /*
 287  * GSM Sagem XS200 chip
 288  *
 289  * GSM handling was purged from kernel. For history, this is the way to go :
 290  *   - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1
 291  *            GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1
 292  *   - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100),
 293  *             GPIO24_GSM_MOD_RESET_CMD = 0
 294  *   - turn on  : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000),
 295  *                GPIO88_GSM_nMOD_ON_CMD = 1
 296  *   - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000),
 297  *                GPIO90_GSM_nMOD_OFF_CMD = 1
 298  */
 299 static int is_gsm_on(void)
 300 {
 301         int is_on;
 302
 303         is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE);
 304         return is_on;
 305 }
 306
 307 irqreturn_t gsm_on_irq(int irq, void *p)
 308 {
 309         printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n",
 310                is_gsm_on() ? "on" : "off");
 311         return IRQ_HANDLED;
 312 }
 313
 314 static struct gpio gsm_gpios[] = {
 315         { GPIO25_GSM_MOD_ON_STATE, GPIOF_IN, "GSM state" },
 316         { GPIO113_GSM_EVENT, GPIOF_IN, "GSM event" },
 317 };
 318
 319 static int __init gsm_init(void)
 320 {
 321         int rc;
 322
 323         rc = gpio_request_array(ARRAY_AND_SIZE(gsm_gpios));
 324         if (rc)
 325                 goto err_gpio;
 326         rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq,
 327                          IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
 328                          "GSM XS200 Power Irq", NULL);
 329         if (rc)
 330                 goto err_irq;
 331
 332         gpio_set_wake(GPIO113_GSM_EVENT, 1);
 333         return 0;
 334
 335 err_irq:
 336         printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n");
 337         gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
 338 err_gpio:
 339         printk(KERN_ERR "Mioa701: gsm not available\n");
 340         return rc;
 341 }
 342
 343 static void gsm_exit(void)
 344 {
 345         free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL);
 346         gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
 347 }
 348
 349 /*
 350  * Bluetooth BRF6150 chip
 351  *
 352  * BT handling was purged from kernel. For history, this is the way to go :
 353  * - turn on  : GPIO83_BT_ON = 1
 354  * - turn off : GPIO83_BT_ON = 0
 355  */
 356
 357 /*
 358  * GPS Sirf Star III chip
 359  *
 360  * GPS handling was purged from kernel. For history, this is the way to go :
 361  * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
 362  *          GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0
 363  * - turn on  : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1
 364  * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
 365  */
 366
 367 /*
 368  * USB UDC
 369  */
 370 static int is_usb_connected(void)
 371 {
 372         return !gpio_get_value(GPIO13_nUSB_DETECT);
 373 }
 374
 375 static struct pxa2xx_udc_mach_info mioa701_udc_info = {
 376         .udc_is_connected = is_usb_connected,
 377         .gpio_pullup      = GPIO22_USB_ENABLE,
 378 };
 379
 380 struct gpio_vbus_mach_info gpio_vbus_data = {
 381         .gpio_vbus = GPIO13_nUSB_DETECT,
 382         .gpio_vbus_inverted = 1,
 383         .gpio_pullup = -1,
 384 };
 385
 386 /*
 387  * SDIO/MMC Card controller
 388  */
 389 /**
 390  * The card detect interrupt isn't debounced so we delay it by 250ms
 391  * to give the card a chance to fully insert/eject.
 392  */
 393 static struct pxamci_platform_data mioa701_mci_info = {
 394         .detect_delay_ms        = 250,
 395         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
 396         .gpio_card_detect       = GPIO15_SDIO_INSERT,
 397         .gpio_card_ro           = GPIO78_SDIO_RO,
 398         .gpio_power             = GPIO91_SDIO_EN,
 399 };
 400
 401 /* FlashRAM */
 402 static struct resource docg3_resource = {
 403         .start = PXA_CS0_PHYS,
 404         .end   = PXA_CS0_PHYS + SZ_8K - 1,
 405         .flags = IORESOURCE_MEM,
 406 };
 407
 408 static struct platform_device docg3 = {
 409         .name          = "docg3",
 410         .id            = -1,
 411         .resource      = &docg3_resource,
 412         .num_resources = 1,
 413         .dev = {
 414                 .platform_data = NULL,
 415         },
 416 };
 417
 418 /*
 419  * Suspend/Resume bootstrap management
 420  *
 421  * MIO A701 reboot sequence is highly ROM dependent. From the one dissassembled,
 422  * this sequence is as follows :
 423  *   - disables interrupts
 424  *   - initialize SDRAM (self refresh RAM into active RAM)
 425  *   - initialize GPIOs (depends on value at 0xa020b020)
 426  *   - initialize coprossessors
 427  *   - if edge detect on PWR_SCL(GPIO3), then proceed to cold start
 428  *   - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start
 429  *   - else do a resume, ie. jump to addr 0xa0100000
 430  */
 431 #define RESUME_ENABLE_ADDR      0xa020b000
 432 #define RESUME_ENABLE_VAL       0x0f0f0f0f
 433 #define RESUME_BT_ADDR          0xa020b020
 434 #define RESUME_UNKNOWN_ADDR     0xa020b024
 435 #define RESUME_VECTOR_ADDR      0xa0100000
 436 #define BOOTSTRAP_WORDS         mioa701_bootstrap_lg/4
 437
 438 static u32 *save_buffer;
 439
 440 static void install_bootstrap(void)
 441 {
 442         int i;
 443         u32 *rom_bootstrap  = phys_to_virt(RESUME_VECTOR_ADDR);
 444         u32 *src = &mioa701_bootstrap;
 445
 446         for (i = 0; i < BOOTSTRAP_WORDS; i++)
 447                 rom_bootstrap[i] = src[i];
 448 }
 449
 450
 451 static int mioa701_sys_suspend(void)
 452 {
 453         int i = 0, is_bt_on;
 454         u32 *mem_resume_vector  = phys_to_virt(RESUME_VECTOR_ADDR);
 455         u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
 456         u32 *mem_resume_bt      = phys_to_virt(RESUME_BT_ADDR);
 457         u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
 458
 459         /* Devices prepare suspend */
 460         is_bt_on = !!gpio_get_value(GPIO83_BT_ON);
 461         pxa2xx_mfp_set_lpm(GPIO83_BT_ON,
 462                            is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW);
 463
 464         for (i = 0; i < BOOTSTRAP_WORDS; i++)
 465                 save_buffer[i] = mem_resume_vector[i];
 466         save_buffer[i++] = *mem_resume_enabler;
 467         save_buffer[i++] = *mem_resume_bt;
 468         save_buffer[i++] = *mem_resume_unknown;
 469
 470         *mem_resume_enabler = RESUME_ENABLE_VAL;
 471         *mem_resume_bt      = is_bt_on;
 472
 473         install_bootstrap();
 474         return 0;
 475 }
 476
 477 static void mioa701_sys_resume(void)
 478 {
 479         int i = 0;
 480         u32 *mem_resume_vector  = phys_to_virt(RESUME_VECTOR_ADDR);
 481         u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
 482         u32 *mem_resume_bt      = phys_to_virt(RESUME_BT_ADDR);
 483         u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
 484
 485         for (i = 0; i < BOOTSTRAP_WORDS; i++)
 486                 mem_resume_vector[i] = save_buffer[i];
 487         *mem_resume_enabler = save_buffer[i++];
 488         *mem_resume_bt      = save_buffer[i++];
 489         *mem_resume_unknown = save_buffer[i++];
 490 }
 491
 492 static struct syscore_ops mioa701_syscore_ops = {
 493         .suspend        = mioa701_sys_suspend,
 494         .resume         = mioa701_sys_resume,
 495 };
 496
 497 static int __init bootstrap_init(void)
 498 {
 499         int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3);
 500
 501         register_syscore_ops(&mioa701_syscore_ops);
 502
 503         save_buffer = kmalloc(save_size, GFP_KERNEL);
 504         if (!save_buffer)
 505                 return -ENOMEM;
 506         printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n",
 507                save_size);
 508         return 0;
 509 }
 510
 511 static void bootstrap_exit(void)
 512 {
 513         kfree(save_buffer);
 514         unregister_syscore_ops(&mioa701_syscore_ops);
 515
 516         printk(KERN_CRIT "Unregistering mioa701 suspend will hang next"
 517                "resume !!!\n");
 518 }
 519
 520 /*
 521  * Power Supply
 522  */
 523 static char *supplicants[] = {
 524         "mioa701_battery"
 525 };
 526
 527 static int is_ac_connected(void)
 528 {
 529         return gpio_get_value(GPIO96_AC_DETECT);
 530 }
 531
 532 static void mioa701_set_charge(int flags)
 533 {
 534         gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB));
 535 }
 536
 537 static struct pda_power_pdata power_pdata = {
 538         .is_ac_online   = is_ac_connected,
 539         .is_usb_online  = is_usb_connected,
 540         .set_charge = mioa701_set_charge,
 541         .supplied_to = supplicants,
 542         .num_supplicants = ARRAY_SIZE(supplicants),
 543 };
 544
 545 static struct resource power_resources[] = {
 546         [0] = {
 547                 .name   = "ac",
 548                 .start  = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
 549                 .end    = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
 550                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
 551                 IORESOURCE_IRQ_LOWEDGE,
 552         },
 553         [1] = {
 554                 .name   = "usb",
 555                 .start  = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
 556                 .end    = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
 557                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
 558                 IORESOURCE_IRQ_LOWEDGE,
 559         },
 560 };
 561
 562 static struct platform_device power_dev = {
 563         .name           = "pda-power",
 564         .id             = -1,
 565         .resource       = power_resources,
 566         .num_resources  = ARRAY_SIZE(power_resources),
 567         .dev = {
 568                 .platform_data  = &power_pdata,
 569         },
 570 };
 571
 572 static struct wm97xx_batt_pdata mioa701_battery_data = {
 573         .batt_aux       = WM97XX_AUX_ID1,
 574         .temp_aux       = -1,
 575         .charge_gpio    = -1,
 576         .min_voltage    = 0xc00,
 577         .max_voltage    = 0xfc0,
 578         .batt_tech      = POWER_SUPPLY_TECHNOLOGY_LION,
 579         .batt_div       = 1,
 580         .batt_mult      = 1,
 581         .batt_name      = "mioa701_battery",
 582 };
 583
 584 static struct wm97xx_pdata mioa701_wm97xx_pdata = {
 585         .batt_pdata     = &mioa701_battery_data,
 586 };
 587
 588 /*
 589  * Voltage regulation
 590  */
 591 static struct regulator_consumer_supply max1586_consumers[] = {
 592         REGULATOR_SUPPLY("vcc_core", NULL),
 593 };
 594
 595 static struct regulator_init_data max1586_v3_info = {
 596         .constraints = {
 597                 .name = "vcc_core range",
 598                 .min_uV = 1000000,
 599                 .max_uV = 1705000,
 600                 .always_on = 1,
 601                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 602         },
 603         .num_consumer_supplies = ARRAY_SIZE(max1586_consumers),
 604         .consumer_supplies = max1586_consumers,
 605 };
 606
 607 static struct max1586_subdev_data max1586_subdevs[] = {
 608         { .name = "vcc_core", .id = MAX1586_V3,
 609           .platform_data = &max1586_v3_info },
 610 };
 611
 612 static struct max1586_platform_data max1586_info = {
 613         .subdevs = max1586_subdevs,
 614         .num_subdevs = ARRAY_SIZE(max1586_subdevs),
 615         .v3_gain = MAX1586_GAIN_NO_R24, /* 700..1475 mV */
 616 };
 617
 618 /*
 619  * Camera interface
 620  */
 621 struct pxacamera_platform_data mioa701_pxacamera_platform_data = {
 622         .flags  = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
 623                 PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
 624         .mclk_10khz = 5000,
 625 };
 626
 627 static struct i2c_board_info __initdata mioa701_pi2c_devices[] = {
 628         {
 629                 I2C_BOARD_INFO("max1586", 0x14),
 630                 .platform_data = &max1586_info,
 631         },
 632 };
 633
 634 /* Board I2C devices. */
 635 static struct i2c_board_info mioa701_i2c_devices[] = {
 636         {
 637                 I2C_BOARD_INFO("mt9m111", 0x5d),
 638         },
 639 };
 640
 641 static struct soc_camera_link iclink = {
 642         .bus_id         = 0, /* Match id in pxa27x_device_camera in device.c */
 643         .board_info     = &mioa701_i2c_devices[0],
 644         .i2c_adapter_id = 0,
 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(gpio_vbus,         "gpio-vbus",      &gpio_vbus_data);
 681 MIO_SIMPLE_DEV(mioa701_camera,    "soc-camera-pdrv",&iclink);
 682
 683 static struct platform_device *devices[] __initdata = {
 684         &mioa701_gpio_keys,
 685         &mioa701_backlight,
 686         &mioa701_led,
 687         &pxa2xx_pcm,
 688         &mioa701_sound,
 689         &power_dev,
 690         &docg3,
 691         &gpio_vbus,
 692         &mioa701_camera,
 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 void __init mioa701_machine_init(void)
 718 {
 719         int rc;
 720
 721         PSLR  = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */
 722         PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE;
 723         RTTR = 32768 - 1; /* Reset crazy WinCE value */
 724         UP2OCR = UP2OCR_HXOE;
 725
 726         /*
 727          * Set up the flash memory : DiskOnChip G3 on first static memory bank
 728          */
 729         __raw_writel(0x7ff02dd8, MSC0);
 730         __raw_writel(0x0001c391, MCMEM0);
 731         __raw_writel(0x0001c391, MCATT0);
 732         __raw_writel(0x0001c391, MCIO0);
 733
 734
 735         pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
 736         pxa_set_ffuart_info(NULL);
 737         pxa_set_btuart_info(NULL);
 738         pxa_set_stuart_info(NULL);
 739         rc = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
 740         if (rc)
 741                 pr_err("MioA701: Failed to request GPIOs: %d", rc);
 742         bootstrap_init();
 743         pxa_set_fb_info(NULL, &mioa701_pxafb_info);
 744         pxa_set_mci_info(&mioa701_mci_info);
 745         pxa_set_keypad_info(&mioa701_keypad_info);
 746         pxa_set_udc_info(&mioa701_udc_info);
 747         pxa_set_ac97_info(&mioa701_ac97_info);
 748         pm_power_off = mioa701_poweroff;
 749         platform_add_devices(devices, ARRAY_SIZE(devices));
 750         gsm_init();
 751
 752         i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices));
 753         pxa_set_i2c_info(&i2c_pdata);
 754         pxa27x_set_i2c_power_info(NULL);
 755         pxa_set_camera_info(&mioa701_pxacamera_platform_data);
 756 }
 757
 758 static void mioa701_machine_exit(void)
 759 {
 760         bootstrap_exit();
 761         gsm_exit();
 762 }
 763
 764 MACHINE_START(MIOA701, "MIO A701")
 765         .atag_offset    = 0x100,
 766         .map_io         = &pxa27x_map_io,
 767         .nr_irqs        = PXA_NR_IRQS,
 768         .init_irq       = &pxa27x_init_irq,
 769         .handle_irq     = &pxa27x_handle_irq,
 770         .init_machine   = mioa701_machine_init,
 771         .init_time      = pxa_timer_init,
 772         .restart        = mioa701_restart,
 773 MACHINE_END