linux/arch/arm/mach-pxa/mioa701.c
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   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/fixed.h>
  42#include <linux/regulator/max1586.h>
  43#include <linux/slab.h>
  44#include <linux/i2c/pxa-i2c.h>
  45
  46#include <asm/mach-types.h>
  47#include <asm/mach/arch.h>
  48
  49#include <mach/pxa27x.h>
  50#include <mach/regs-rtc.h>
  51#include <linux/platform_data/keypad-pxa27x.h>
  52#include <linux/platform_data/video-pxafb.h>
  53#include <linux/platform_data/mmc-pxamci.h>
  54#include <mach/udc.h>
  55#include <mach/pxa27x-udc.h>
  56#include <linux/platform_data/camera-pxa.h>
  57#include <mach/audio.h>
  58#include <mach/smemc.h>
  59#include <media/soc_camera.h>
  60
  61#include <mach/mioa701.h>
  62
  63#include "generic.h"
  64#include "devices.h"
  65
  66static 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/* LCD Screen and Backlight */
 185static struct platform_pwm_backlight_data mioa701_backlight_data = {
 186        .pwm_id         = 0,
 187        .max_brightness = 100,
 188        .dft_brightness = 50,
 189        .pwm_period_ns  = 4000 * 1024,  /* Fl = 250kHz */
 190        .enable_gpio    = -1,
 191};
 192
 193/*
 194 * LTM0305A776C LCD panel timings
 195 *
 196 * see:
 197 *  - the LTM0305A776C datasheet,
 198 *  - and the PXA27x Programmers' manual
 199 */
 200static struct pxafb_mode_info mioa701_ltm0305a776c = {
 201        .pixclock               = 220000,       /* CLK=4.545 MHz */
 202        .xres                   = 240,
 203        .yres                   = 320,
 204        .bpp                    = 16,
 205        .hsync_len              = 4,
 206        .vsync_len              = 2,
 207        .left_margin            = 6,
 208        .right_margin           = 4,
 209        .upper_margin           = 5,
 210        .lower_margin           = 3,
 211};
 212
 213static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
 214{
 215        gpio_set_value(GPIO87_LCD_POWER, on);
 216}
 217
 218static struct pxafb_mach_info mioa701_pxafb_info = {
 219        .modes                  = &mioa701_ltm0305a776c,
 220        .num_modes              = 1,
 221        .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 222        .pxafb_lcd_power        = mioa701_lcd_power,
 223};
 224
 225/*
 226 * Keyboard configuration
 227 */
 228static const unsigned int mioa701_matrix_keys[] = {
 229        KEY(0, 0, KEY_UP),
 230        KEY(0, 1, KEY_RIGHT),
 231        KEY(0, 2, KEY_MEDIA),
 232        KEY(1, 0, KEY_DOWN),
 233        KEY(1, 1, KEY_ENTER),
 234        KEY(1, 2, KEY_CONNECT), /* GPS key */
 235        KEY(2, 0, KEY_LEFT),
 236        KEY(2, 1, KEY_PHONE),   /* Phone Green key */
 237        KEY(2, 2, KEY_CAMERA)   /* Camera key */
 238};
 239
 240static struct matrix_keymap_data mioa701_matrix_keymap_data = {
 241        .keymap                 = mioa701_matrix_keys,
 242        .keymap_size            = ARRAY_SIZE(mioa701_matrix_keys),
 243};
 244
 245static struct pxa27x_keypad_platform_data mioa701_keypad_info = {
 246        .matrix_key_rows = 3,
 247        .matrix_key_cols = 3,
 248        .matrix_keymap_data = &mioa701_matrix_keymap_data,
 249};
 250
 251/*
 252 * GPIO Key Configuration
 253 */
 254#define MIO_KEY(key, _gpio, _desc, _wakeup) \
 255        { .code = (key), .gpio = (_gpio), .active_low = 0, \
 256        .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) }
 257static struct gpio_keys_button mioa701_button_table[] = {
 258        MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1),
 259        MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0),
 260        MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0),
 261        MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0)
 262};
 263
 264static struct gpio_keys_platform_data mioa701_gpio_keys_data = {
 265        .buttons  = mioa701_button_table,
 266        .nbuttons = ARRAY_SIZE(mioa701_button_table),
 267};
 268
 269/*
 270 * Leds and vibrator
 271 */
 272#define ONE_LED(_gpio, _name) \
 273{ .gpio = (_gpio), .name = (_name), .active_low = true }
 274static struct gpio_led gpio_leds[] = {
 275        ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"),
 276        ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"),
 277        ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"),
 278        ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"),
 279        ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard")
 280};
 281
 282static struct gpio_led_platform_data gpio_led_info = {
 283        .leds = gpio_leds,
 284        .num_leds = ARRAY_SIZE(gpio_leds),
 285};
 286
 287/*
 288 * GSM Sagem XS200 chip
 289 *
 290 * GSM handling was purged from kernel. For history, this is the way to go :
 291 *   - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1
 292 *            GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1
 293 *   - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100),
 294 *             GPIO24_GSM_MOD_RESET_CMD = 0
 295 *   - turn on  : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000),
 296 *                GPIO88_GSM_nMOD_ON_CMD = 1
 297 *   - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000),
 298 *                GPIO90_GSM_nMOD_OFF_CMD = 1
 299 */
 300static int is_gsm_on(void)
 301{
 302        int is_on;
 303
 304        is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE);
 305        return is_on;
 306}
 307
 308irqreturn_t gsm_on_irq(int irq, void *p)
 309{
 310        printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n",
 311               is_gsm_on() ? "on" : "off");
 312        return IRQ_HANDLED;
 313}
 314
 315static struct gpio gsm_gpios[] = {
 316        { GPIO25_GSM_MOD_ON_STATE, GPIOF_IN, "GSM state" },
 317        { GPIO113_GSM_EVENT, GPIOF_IN, "GSM event" },
 318};
 319
 320static int __init gsm_init(void)
 321{
 322        int rc;
 323
 324        rc = gpio_request_array(ARRAY_AND_SIZE(gsm_gpios));
 325        if (rc)
 326                goto err_gpio;
 327        rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq,
 328                         IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
 329                         "GSM XS200 Power Irq", NULL);
 330        if (rc)
 331                goto err_irq;
 332
 333        gpio_set_wake(GPIO113_GSM_EVENT, 1);
 334        return 0;
 335
 336err_irq:
 337        printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n");
 338        gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
 339err_gpio:
 340        printk(KERN_ERR "Mioa701: gsm not available\n");
 341        return rc;
 342}
 343
 344static void gsm_exit(void)
 345{
 346        free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL);
 347        gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
 348}
 349
 350/*
 351 * Bluetooth BRF6150 chip
 352 *
 353 * BT handling was purged from kernel. For history, this is the way to go :
 354 * - turn on  : GPIO83_BT_ON = 1
 355 * - turn off : GPIO83_BT_ON = 0
 356 */
 357
 358/*
 359 * GPS Sirf Star III chip
 360 *
 361 * GPS handling was purged from kernel. For history, this is the way to go :
 362 * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
 363 *          GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0
 364 * - turn on  : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1
 365 * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
 366 */
 367
 368/*
 369 * USB UDC
 370 */
 371static int is_usb_connected(void)
 372{
 373        return !gpio_get_value(GPIO13_nUSB_DETECT);
 374}
 375
 376static struct pxa2xx_udc_mach_info mioa701_udc_info = {
 377        .udc_is_connected = is_usb_connected,
 378        .gpio_pullup      = GPIO22_USB_ENABLE,
 379};
 380
 381struct gpio_vbus_mach_info gpio_vbus_data = {
 382        .gpio_vbus = GPIO13_nUSB_DETECT,
 383        .gpio_vbus_inverted = 1,
 384        .gpio_pullup = -1,
 385};
 386
 387/*
 388 * SDIO/MMC Card controller
 389 */
 390/**
 391 * The card detect interrupt isn't debounced so we delay it by 250ms
 392 * to give the card a chance to fully insert/eject.
 393 */
 394static struct pxamci_platform_data mioa701_mci_info = {
 395        .detect_delay_ms        = 250,
 396        .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
 397        .gpio_card_detect       = GPIO15_SDIO_INSERT,
 398        .gpio_card_ro           = GPIO78_SDIO_RO,
 399        .gpio_power             = GPIO91_SDIO_EN,
 400};
 401
 402/* FlashRAM */
 403static struct resource docg3_resource = {
 404        .start = PXA_CS0_PHYS,
 405        .end   = PXA_CS0_PHYS + SZ_8K - 1,
 406        .flags = IORESOURCE_MEM,
 407};
 408
 409static struct platform_device docg3 = {
 410        .name          = "docg3",
 411        .id            = -1,
 412        .resource      = &docg3_resource,
 413        .num_resources = 1,
 414        .dev = {
 415                .platform_data = NULL,
 416        },
 417};
 418
 419/*
 420 * Suspend/Resume bootstrap management
 421 *
 422 * MIO A701 reboot sequence is highly ROM dependent. From the one dissassembled,
 423 * this sequence is as follows :
 424 *   - disables interrupts
 425 *   - initialize SDRAM (self refresh RAM into active RAM)
 426 *   - initialize GPIOs (depends on value at 0xa020b020)
 427 *   - initialize coprossessors
 428 *   - if edge detect on PWR_SCL(GPIO3), then proceed to cold start
 429 *   - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start
 430 *   - else do a resume, ie. jump to addr 0xa0100000
 431 */
 432#define RESUME_ENABLE_ADDR      0xa020b000
 433#define RESUME_ENABLE_VAL       0x0f0f0f0f
 434#define RESUME_BT_ADDR          0xa020b020
 435#define RESUME_UNKNOWN_ADDR     0xa020b024
 436#define RESUME_VECTOR_ADDR      0xa0100000
 437#define BOOTSTRAP_WORDS         mioa701_bootstrap_lg/4
 438
 439static u32 *save_buffer;
 440
 441static void install_bootstrap(void)
 442{
 443        int i;
 444        u32 *rom_bootstrap  = phys_to_virt(RESUME_VECTOR_ADDR);
 445        u32 *src = &mioa701_bootstrap;
 446
 447        for (i = 0; i < BOOTSTRAP_WORDS; i++)
 448                rom_bootstrap[i] = src[i];
 449}
 450
 451
 452static int mioa701_sys_suspend(void)
 453{
 454        int i = 0, is_bt_on;
 455        u32 *mem_resume_vector  = phys_to_virt(RESUME_VECTOR_ADDR);
 456        u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
 457        u32 *mem_resume_bt      = phys_to_virt(RESUME_BT_ADDR);
 458        u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
 459
 460        /* Devices prepare suspend */
 461        is_bt_on = !!gpio_get_value(GPIO83_BT_ON);
 462        pxa2xx_mfp_set_lpm(GPIO83_BT_ON,
 463                           is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW);
 464
 465        for (i = 0; i < BOOTSTRAP_WORDS; i++)
 466                save_buffer[i] = mem_resume_vector[i];
 467        save_buffer[i++] = *mem_resume_enabler;
 468        save_buffer[i++] = *mem_resume_bt;
 469        save_buffer[i++] = *mem_resume_unknown;
 470
 471        *mem_resume_enabler = RESUME_ENABLE_VAL;
 472        *mem_resume_bt      = is_bt_on;
 473
 474        install_bootstrap();
 475        return 0;
 476}
 477
 478static void mioa701_sys_resume(void)
 479{
 480        int i = 0;
 481        u32 *mem_resume_vector  = phys_to_virt(RESUME_VECTOR_ADDR);
 482        u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
 483        u32 *mem_resume_bt      = phys_to_virt(RESUME_BT_ADDR);
 484        u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
 485
 486        for (i = 0; i < BOOTSTRAP_WORDS; i++)
 487                mem_resume_vector[i] = save_buffer[i];
 488        *mem_resume_enabler = save_buffer[i++];
 489        *mem_resume_bt      = save_buffer[i++];
 490        *mem_resume_unknown = save_buffer[i++];
 491}
 492
 493static struct syscore_ops mioa701_syscore_ops = {
 494        .suspend        = mioa701_sys_suspend,
 495        .resume         = mioa701_sys_resume,
 496};
 497
 498static int __init bootstrap_init(void)
 499{
 500        int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3);
 501
 502        register_syscore_ops(&mioa701_syscore_ops);
 503
 504        save_buffer = kmalloc(save_size, GFP_KERNEL);
 505        if (!save_buffer)
 506                return -ENOMEM;
 507        printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n",
 508               save_size);
 509        return 0;
 510}
 511
 512static void bootstrap_exit(void)
 513{
 514        kfree(save_buffer);
 515        unregister_syscore_ops(&mioa701_syscore_ops);
 516
 517        printk(KERN_CRIT "Unregistering mioa701 suspend will hang next"
 518               "resume !!!\n");
 519}
 520
 521/*
 522 * Power Supply
 523 */
 524static char *supplicants[] = {
 525        "mioa701_battery"
 526};
 527
 528static int is_ac_connected(void)
 529{
 530        return gpio_get_value(GPIO96_AC_DETECT);
 531}
 532
 533static void mioa701_set_charge(int flags)
 534{
 535        gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB));
 536}
 537
 538static struct pda_power_pdata power_pdata = {
 539        .is_ac_online   = is_ac_connected,
 540        .is_usb_online  = is_usb_connected,
 541        .set_charge = mioa701_set_charge,
 542        .supplied_to = supplicants,
 543        .num_supplicants = ARRAY_SIZE(supplicants),
 544};
 545
 546static struct resource power_resources[] = {
 547        [0] = {
 548                .name   = "ac",
 549                .start  = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
 550                .end    = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
 551                .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
 552                IORESOURCE_IRQ_LOWEDGE,
 553        },
 554        [1] = {
 555                .name   = "usb",
 556                .start  = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
 557                .end    = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
 558                .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
 559                IORESOURCE_IRQ_LOWEDGE,
 560        },
 561};
 562
 563static struct platform_device power_dev = {
 564        .name           = "pda-power",
 565        .id             = -1,
 566        .resource       = power_resources,
 567        .num_resources  = ARRAY_SIZE(power_resources),
 568        .dev = {
 569                .platform_data  = &power_pdata,
 570        },
 571};
 572
 573static struct wm97xx_batt_pdata mioa701_battery_data = {
 574        .batt_aux       = WM97XX_AUX_ID1,
 575        .temp_aux       = -1,
 576        .charge_gpio    = -1,
 577        .min_voltage    = 0xc00,
 578        .max_voltage    = 0xfc0,
 579        .batt_tech      = POWER_SUPPLY_TECHNOLOGY_LION,
 580        .batt_div       = 1,
 581        .batt_mult      = 1,
 582        .batt_name      = "mioa701_battery",
 583};
 584
 585static struct wm97xx_pdata mioa701_wm97xx_pdata = {
 586        .batt_pdata     = &mioa701_battery_data,
 587};
 588
 589/*
 590 * Voltage regulation
 591 */
 592static struct regulator_consumer_supply max1586_consumers[] = {
 593        REGULATOR_SUPPLY("vcc_core", NULL),
 594};
 595
 596static struct regulator_init_data max1586_v3_info = {
 597        .constraints = {
 598                .name = "vcc_core range",
 599                .min_uV = 1000000,
 600                .max_uV = 1705000,
 601                .always_on = 1,
 602                .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 603        },
 604        .num_consumer_supplies = ARRAY_SIZE(max1586_consumers),
 605        .consumer_supplies = max1586_consumers,
 606};
 607
 608static struct max1586_subdev_data max1586_subdevs[] = {
 609        { .name = "vcc_core", .id = MAX1586_V3,
 610          .platform_data = &max1586_v3_info },
 611};
 612
 613static struct max1586_platform_data max1586_info = {
 614        .subdevs = max1586_subdevs,
 615        .num_subdevs = ARRAY_SIZE(max1586_subdevs),
 616        .v3_gain = MAX1586_GAIN_NO_R24, /* 700..1475 mV */
 617};
 618
 619/*
 620 * Camera interface
 621 */
 622struct pxacamera_platform_data mioa701_pxacamera_platform_data = {
 623        .flags  = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
 624                PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
 625        .mclk_10khz = 5000,
 626};
 627
 628static struct i2c_board_info __initdata mioa701_pi2c_devices[] = {
 629        {
 630                I2C_BOARD_INFO("max1586", 0x14),
 631                .platform_data = &max1586_info,
 632        },
 633};
 634
 635/* Board I2C devices. */
 636static struct i2c_board_info mioa701_i2c_devices[] = {
 637        {
 638                I2C_BOARD_INFO("mt9m111", 0x5d),
 639        },
 640};
 641
 642static struct soc_camera_link iclink = {
 643        .bus_id         = 0, /* Match id in pxa27x_device_camera in device.c */
 644        .board_info     = &mioa701_i2c_devices[0],
 645        .i2c_adapter_id = 0,
 646};
 647
 648struct i2c_pxa_platform_data i2c_pdata = {
 649        .fast_mode = 1,
 650};
 651
 652static pxa2xx_audio_ops_t mioa701_ac97_info = {
 653        .reset_gpio = 95,
 654        .codec_pdata = { &mioa701_wm97xx_pdata, },
 655};
 656
 657/*
 658 * Mio global
 659 */
 660
 661/* Devices */
 662#define MIO_PARENT_DEV(var, strname, tparent, pdata)    \
 663static struct platform_device var = {                   \
 664        .name           = strname,                      \
 665        .id             = -1,                           \
 666        .dev            = {                             \
 667                .platform_data = pdata,                 \
 668                .parent = tparent,                      \
 669        },                                              \
 670};
 671#define MIO_SIMPLE_DEV(var, strname, pdata)     \
 672        MIO_PARENT_DEV(var, strname, NULL, pdata)
 673
 674MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys",      &mioa701_gpio_keys_data)
 675MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight",  &pxa27x_device_pwm0.dev,
 676                &mioa701_backlight_data);
 677MIO_SIMPLE_DEV(mioa701_led,       "leds-gpio",      &gpio_led_info)
 678MIO_SIMPLE_DEV(pxa2xx_pcm,        "pxa2xx-pcm",     NULL)
 679MIO_SIMPLE_DEV(mioa701_sound,     "mioa701-wm9713", NULL)
 680MIO_SIMPLE_DEV(mioa701_board,     "mioa701-board",  NULL)
 681MIO_SIMPLE_DEV(gpio_vbus,         "gpio-vbus",      &gpio_vbus_data);
 682MIO_SIMPLE_DEV(mioa701_camera,    "soc-camera-pdrv",&iclink);
 683
 684static struct platform_device *devices[] __initdata = {
 685        &mioa701_gpio_keys,
 686        &mioa701_backlight,
 687        &mioa701_led,
 688        &pxa2xx_pcm,
 689        &mioa701_sound,
 690        &power_dev,
 691        &docg3,
 692        &gpio_vbus,
 693        &mioa701_camera,
 694        &mioa701_board,
 695};
 696
 697static void mioa701_machine_exit(void);
 698
 699static void mioa701_poweroff(void)
 700{
 701        mioa701_machine_exit();
 702        pxa_restart(REBOOT_SOFT, NULL);
 703}
 704
 705static void mioa701_restart(enum reboot_mode c, const char *cmd)
 706{
 707        mioa701_machine_exit();
 708        pxa_restart(REBOOT_SOFT, cmd);
 709}
 710
 711static struct gpio global_gpios[] = {
 712        { GPIO9_CHARGE_EN, GPIOF_OUT_INIT_HIGH, "Charger enable" },
 713        { GPIO18_POWEROFF, GPIOF_OUT_INIT_LOW, "Power Off" },
 714        { GPIO87_LCD_POWER, GPIOF_OUT_INIT_LOW, "LCD Power" },
 715        { GPIO56_MT9M111_nOE, GPIOF_OUT_INIT_LOW, "Camera nOE" },
 716};
 717
 718static struct regulator_consumer_supply fixed_5v0_consumers[] = {
 719        REGULATOR_SUPPLY("power", "pwm-backlight"),
 720};
 721
 722static void __init mioa701_machine_init(void)
 723{
 724        int rc;
 725
 726        PSLR  = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */
 727        PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE;
 728        RTTR = 32768 - 1; /* Reset crazy WinCE value */
 729        UP2OCR = UP2OCR_HXOE;
 730
 731        /*
 732         * Set up the flash memory : DiskOnChip G3 on first static memory bank
 733         */
 734        __raw_writel(0x7ff02dd8, MSC0);
 735        __raw_writel(0x0001c391, MCMEM0);
 736        __raw_writel(0x0001c391, MCATT0);
 737        __raw_writel(0x0001c391, MCIO0);
 738
 739
 740        pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
 741        pxa_set_ffuart_info(NULL);
 742        pxa_set_btuart_info(NULL);
 743        pxa_set_stuart_info(NULL);
 744        rc = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
 745        if (rc)
 746                pr_err("MioA701: Failed to request GPIOs: %d", rc);
 747        bootstrap_init();
 748        pxa_set_fb_info(NULL, &mioa701_pxafb_info);
 749        pxa_set_mci_info(&mioa701_mci_info);
 750        pxa_set_keypad_info(&mioa701_keypad_info);
 751        pxa_set_udc_info(&mioa701_udc_info);
 752        pxa_set_ac97_info(&mioa701_ac97_info);
 753        pm_power_off = mioa701_poweroff;
 754        platform_add_devices(devices, ARRAY_SIZE(devices));
 755        gsm_init();
 756
 757        i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices));
 758        pxa_set_i2c_info(&i2c_pdata);
 759        pxa27x_set_i2c_power_info(NULL);
 760        pxa_set_camera_info(&mioa701_pxacamera_platform_data);
 761
 762        regulator_register_always_on(0, "fixed-5.0V", fixed_5v0_consumers,
 763                                     ARRAY_SIZE(fixed_5v0_consumers),
 764                                     5000000);
 765}
 766
 767static void mioa701_machine_exit(void)
 768{
 769        bootstrap_exit();
 770        gsm_exit();
 771}
 772
 773MACHINE_START(MIOA701, "MIO A701")
 774        .atag_offset    = 0x100,
 775        .map_io         = &pxa27x_map_io,
 776        .nr_irqs        = PXA_NR_IRQS,
 777        .init_irq       = &pxa27x_init_irq,
 778        .handle_irq     = &pxa27x_handle_irq,
 779        .init_machine   = mioa701_machine_init,
 780        .init_time      = pxa_timer_init,
 781        .restart        = mioa701_restart,
 782MACHINE_END
 783