linux/arch/arm/mach-pxa/mioa701.c
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   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 * Handles the Mitac Mio A701 Board
   4 *
   5 * Copyright (C) 2008 Robert Jarzmik
   6 */
   7
   8#include <linux/kernel.h>
   9#include <linux/init.h>
  10#include <linux/platform_device.h>
  11#include <linux/syscore_ops.h>
  12#include <linux/input.h>
  13#include <linux/delay.h>
  14#include <linux/gpio_keys.h>
  15#include <linux/pwm.h>
  16#include <linux/pwm_backlight.h>
  17#include <linux/rtc.h>
  18#include <linux/leds.h>
  19#include <linux/gpio.h>
  20#include <linux/gpio/machine.h>
  21#include <linux/interrupt.h>
  22#include <linux/irq.h>
  23#include <linux/pda_power.h>
  24#include <linux/power_supply.h>
  25#include <linux/wm97xx.h>
  26#include <linux/mtd/physmap.h>
  27#include <linux/reboot.h>
  28#include <linux/regulator/fixed.h>
  29#include <linux/regulator/max1586.h>
  30#include <linux/slab.h>
  31#include <linux/platform_data/i2c-pxa.h>
  32
  33#include <asm/mach-types.h>
  34#include <asm/mach/arch.h>
  35
  36#include "pxa27x.h"
  37#include "regs-rtc.h"
  38#include <linux/platform_data/keypad-pxa27x.h>
  39#include <linux/platform_data/video-pxafb.h>
  40#include <linux/platform_data/mmc-pxamci.h>
  41#include "udc.h"
  42#include "pxa27x-udc.h"
  43#include <linux/platform_data/media/camera-pxa.h>
  44#include <mach/audio.h>
  45#include <mach/smemc.h>
  46
  47#include "mioa701.h"
  48
  49#include "generic.h"
  50#include "devices.h"
  51
  52static unsigned long mioa701_pin_config[] = {
  53        /* Mio global */
  54        MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW),
  55        MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW),
  56        MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH),
  57        MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH),
  58        MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0),
  59
  60        /* Backlight PWM 0 */
  61        GPIO16_PWM0_OUT,
  62
  63        /* MMC */
  64        GPIO32_MMC_CLK,
  65        GPIO92_MMC_DAT_0,
  66        GPIO109_MMC_DAT_1,
  67        GPIO110_MMC_DAT_2,
  68        GPIO111_MMC_DAT_3,
  69        GPIO112_MMC_CMD,
  70        MIO_CFG_IN(GPIO78_SDIO_RO, AF0),
  71        MIO_CFG_IN(GPIO15_SDIO_INSERT, AF0),
  72        MIO_CFG_OUT(GPIO91_SDIO_EN, AF0, DRIVE_LOW),
  73
  74        /* USB */
  75        MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0),
  76        MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW),
  77
  78        /* LCD */
  79        GPIOxx_LCD_TFT_16BPP,
  80
  81        /* QCI */
  82        GPIO12_CIF_DD_7,
  83        GPIO17_CIF_DD_6,
  84        GPIO50_CIF_DD_3,
  85        GPIO51_CIF_DD_2,
  86        GPIO52_CIF_DD_4,
  87        GPIO53_CIF_MCLK,
  88        GPIO54_CIF_PCLK,
  89        GPIO55_CIF_DD_1,
  90        GPIO81_CIF_DD_0,
  91        GPIO82_CIF_DD_5,
  92        GPIO84_CIF_FV,
  93        GPIO85_CIF_LV,
  94        MIO_CFG_OUT(GPIO56_MT9M111_nOE, AF0, DRIVE_LOW),
  95
  96        /* Bluetooth */
  97        MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0),
  98        GPIO44_BTUART_CTS,
  99        GPIO42_BTUART_RXD,
 100        GPIO45_BTUART_RTS,
 101        GPIO43_BTUART_TXD,
 102        MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW),
 103        MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH),
 104        MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH),
 105
 106        /* GPS */
 107        MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW),
 108        MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW),
 109        MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW),
 110        MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW),
 111        MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW),
 112        GPIO46_STUART_RXD,
 113        GPIO47_STUART_TXD,
 114
 115        /* GSM */
 116        MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW),
 117        MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH),
 118        MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH),
 119        MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH),
 120        MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0),
 121        MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH,
 122        GPIO34_FFUART_RXD,
 123        GPIO35_FFUART_CTS,
 124        GPIO36_FFUART_DCD,
 125        GPIO37_FFUART_DSR,
 126        GPIO39_FFUART_TXD,
 127        GPIO40_FFUART_DTR,
 128        GPIO41_FFUART_RTS,
 129
 130        /* Sound */
 131        GPIO28_AC97_BITCLK,
 132        GPIO29_AC97_SDATA_IN_0,
 133        GPIO30_AC97_SDATA_OUT,
 134        GPIO31_AC97_SYNC,
 135        GPIO89_AC97_SYSCLK,
 136        MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0),
 137
 138        /* Leds */
 139        MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH),
 140        MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH),
 141        MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH),
 142        MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH),
 143        MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH),
 144
 145        /* Keyboard */
 146        MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH,
 147        MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0),
 148        MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0),
 149        GPIO100_KP_MKIN_0,
 150        GPIO101_KP_MKIN_1,
 151        GPIO102_KP_MKIN_2,
 152        GPIO103_KP_MKOUT_0,
 153        GPIO104_KP_MKOUT_1,
 154        GPIO105_KP_MKOUT_2,
 155
 156        /* I2C */
 157        GPIO117_I2C_SCL,
 158        GPIO118_I2C_SDA,
 159
 160        /* Unknown */
 161        MFP_CFG_IN(GPIO20, AF0),
 162        MFP_CFG_IN(GPIO21, AF0),
 163        MFP_CFG_IN(GPIO33, AF0),
 164        MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH),
 165        MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH),
 166        MFP_CFG_IN(GPIO96, AF0),
 167        MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH),
 168};
 169
 170static struct pwm_lookup mioa701_pwm_lookup[] = {
 171        PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight", NULL, 4000 * 1024,
 172                   PWM_POLARITY_NORMAL),
 173};
 174
 175/* LCD Screen and Backlight */
 176static struct platform_pwm_backlight_data mioa701_backlight_data = {
 177        .max_brightness = 100,
 178        .dft_brightness = 50,
 179};
 180
 181/*
 182 * LTM0305A776C LCD panel timings
 183 *
 184 * see:
 185 *  - the LTM0305A776C datasheet,
 186 *  - and the PXA27x Programmers' manual
 187 */
 188static struct pxafb_mode_info mioa701_ltm0305a776c = {
 189        .pixclock               = 220000,       /* CLK=4.545 MHz */
 190        .xres                   = 240,
 191        .yres                   = 320,
 192        .bpp                    = 16,
 193        .hsync_len              = 4,
 194        .vsync_len              = 2,
 195        .left_margin            = 6,
 196        .right_margin           = 4,
 197        .upper_margin           = 5,
 198        .lower_margin           = 3,
 199};
 200
 201static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
 202{
 203        gpio_set_value(GPIO87_LCD_POWER, on);
 204}
 205
 206static struct pxafb_mach_info mioa701_pxafb_info = {
 207        .modes                  = &mioa701_ltm0305a776c,
 208        .num_modes              = 1,
 209        .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 210        .pxafb_lcd_power        = mioa701_lcd_power,
 211};
 212
 213/*
 214 * Keyboard configuration
 215 */
 216static const unsigned int mioa701_matrix_keys[] = {
 217        KEY(0, 0, KEY_UP),
 218        KEY(0, 1, KEY_RIGHT),
 219        KEY(0, 2, KEY_MEDIA),
 220        KEY(1, 0, KEY_DOWN),
 221        KEY(1, 1, KEY_ENTER),
 222        KEY(1, 2, KEY_CONNECT), /* GPS key */
 223        KEY(2, 0, KEY_LEFT),
 224        KEY(2, 1, KEY_PHONE),   /* Phone Green key */
 225        KEY(2, 2, KEY_CAMERA)   /* Camera key */
 226};
 227
 228static struct matrix_keymap_data mioa701_matrix_keymap_data = {
 229        .keymap                 = mioa701_matrix_keys,
 230        .keymap_size            = ARRAY_SIZE(mioa701_matrix_keys),
 231};
 232
 233static struct pxa27x_keypad_platform_data mioa701_keypad_info = {
 234        .matrix_key_rows = 3,
 235        .matrix_key_cols = 3,
 236        .matrix_keymap_data = &mioa701_matrix_keymap_data,
 237};
 238
 239/*
 240 * GPIO Key Configuration
 241 */
 242#define MIO_KEY(key, _gpio, _desc, _wakeup) \
 243        { .code = (key), .gpio = (_gpio), .active_low = 0, \
 244        .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) }
 245static struct gpio_keys_button mioa701_button_table[] = {
 246        MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1),
 247        MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0),
 248        MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0),
 249        MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0)
 250};
 251
 252static struct gpio_keys_platform_data mioa701_gpio_keys_data = {
 253        .buttons  = mioa701_button_table,
 254        .nbuttons = ARRAY_SIZE(mioa701_button_table),
 255};
 256
 257/*
 258 * Leds and vibrator
 259 */
 260#define ONE_LED(_gpio, _name) \
 261{ .gpio = (_gpio), .name = (_name), .active_low = true }
 262static struct gpio_led gpio_leds[] = {
 263        ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"),
 264        ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"),
 265        ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"),
 266        ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"),
 267        ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard")
 268};
 269
 270static struct gpio_led_platform_data gpio_led_info = {
 271        .leds = gpio_leds,
 272        .num_leds = ARRAY_SIZE(gpio_leds),
 273};
 274
 275/*
 276 * GSM Sagem XS200 chip
 277 *
 278 * GSM handling was purged from kernel. For history, this is the way to go :
 279 *   - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1
 280 *            GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1
 281 *   - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100),
 282 *             GPIO24_GSM_MOD_RESET_CMD = 0
 283 *   - turn on  : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000),
 284 *                GPIO88_GSM_nMOD_ON_CMD = 1
 285 *   - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000),
 286 *                GPIO90_GSM_nMOD_OFF_CMD = 1
 287 */
 288static int is_gsm_on(void)
 289{
 290        int is_on;
 291
 292        is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE);
 293        return is_on;
 294}
 295
 296irqreturn_t gsm_on_irq(int irq, void *p)
 297{
 298        printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n",
 299               is_gsm_on() ? "on" : "off");
 300        return IRQ_HANDLED;
 301}
 302
 303static struct gpio gsm_gpios[] = {
 304        { GPIO25_GSM_MOD_ON_STATE, GPIOF_IN, "GSM state" },
 305        { GPIO113_GSM_EVENT, GPIOF_IN, "GSM event" },
 306};
 307
 308static int __init gsm_init(void)
 309{
 310        int rc;
 311
 312        rc = gpio_request_array(ARRAY_AND_SIZE(gsm_gpios));
 313        if (rc)
 314                goto err_gpio;
 315        rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq,
 316                         IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
 317                         "GSM XS200 Power Irq", NULL);
 318        if (rc)
 319                goto err_irq;
 320
 321        gpio_set_wake(GPIO113_GSM_EVENT, 1);
 322        return 0;
 323
 324err_irq:
 325        printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n");
 326        gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
 327err_gpio:
 328        printk(KERN_ERR "Mioa701: gsm not available\n");
 329        return rc;
 330}
 331
 332static void gsm_exit(void)
 333{
 334        free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL);
 335        gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
 336}
 337
 338/*
 339 * Bluetooth BRF6150 chip
 340 *
 341 * BT handling was purged from kernel. For history, this is the way to go :
 342 * - turn on  : GPIO83_BT_ON = 1
 343 * - turn off : GPIO83_BT_ON = 0
 344 */
 345
 346/*
 347 * GPS Sirf Star III chip
 348 *
 349 * GPS handling was purged from kernel. For history, this is the way to go :
 350 * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
 351 *          GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0
 352 * - turn on  : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1
 353 * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
 354 */
 355
 356/*
 357 * USB UDC
 358 */
 359static int is_usb_connected(void)
 360{
 361        return !gpio_get_value(GPIO13_nUSB_DETECT);
 362}
 363
 364static struct pxa2xx_udc_mach_info mioa701_udc_info = {
 365        .udc_is_connected = is_usb_connected,
 366        .gpio_pullup      = GPIO22_USB_ENABLE,
 367};
 368
 369static struct gpiod_lookup_table gpio_vbus_gpiod_table = {
 370        .dev_id = "gpio-vbus",
 371        .table = {
 372                GPIO_LOOKUP("gpio-pxa", GPIO13_nUSB_DETECT,
 373                            "vbus", GPIO_ACTIVE_LOW),
 374                { },
 375        },
 376};
 377
 378/*
 379 * SDIO/MMC Card controller
 380 */
 381/**
 382 * The card detect interrupt isn't debounced so we delay it by 250ms
 383 * to give the card a chance to fully insert/eject.
 384 */
 385static struct pxamci_platform_data mioa701_mci_info = {
 386        .detect_delay_ms        = 250,
 387        .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
 388};
 389
 390static struct gpiod_lookup_table mioa701_mci_gpio_table = {
 391        .dev_id = "pxa2xx-mci.0",
 392        .table = {
 393                /* Card detect on GPIO 15 */
 394                GPIO_LOOKUP("gpio-pxa", GPIO15_SDIO_INSERT,
 395                            "cd", GPIO_ACTIVE_LOW),
 396                /* Write protect on GPIO 78 */
 397                GPIO_LOOKUP("gpio-pxa", GPIO78_SDIO_RO,
 398                            "wp", GPIO_ACTIVE_LOW),
 399                /* Power on GPIO 91 */
 400                GPIO_LOOKUP("gpio-pxa", GPIO91_SDIO_EN,
 401                            "power", GPIO_ACTIVE_HIGH),
 402                { },
 403        },
 404};
 405
 406/* FlashRAM */
 407static struct resource docg3_resource = {
 408        .start = PXA_CS0_PHYS,
 409        .end   = PXA_CS0_PHYS + SZ_8K - 1,
 410        .flags = IORESOURCE_MEM,
 411};
 412
 413static 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
 443static u32 *save_buffer;
 444
 445static 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
 456static 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
 482static 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
 497static struct syscore_ops mioa701_syscore_ops = {
 498        .suspend        = mioa701_sys_suspend,
 499        .resume         = mioa701_sys_resume,
 500};
 501
 502static 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
 516static 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 */
 528static char *supplicants[] = {
 529        "mioa701_battery"
 530};
 531
 532static int is_ac_connected(void)
 533{
 534        return gpio_get_value(GPIO96_AC_DETECT);
 535}
 536
 537static void mioa701_set_charge(int flags)
 538{
 539        gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB));
 540}
 541
 542static 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
 550static 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
 567static 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
 577static 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
 589static struct wm97xx_pdata mioa701_wm97xx_pdata = {
 590        .batt_pdata     = &mioa701_battery_data,
 591};
 592
 593/*
 594 * Voltage regulation
 595 */
 596static struct regulator_consumer_supply max1586_consumers[] = {
 597        REGULATOR_SUPPLY("vcc_core", NULL),
 598};
 599
 600static 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
 612static struct max1586_subdev_data max1586_subdevs[] = {
 613        { .name = "vcc_core", .id = MAX1586_V3,
 614          .platform_data = &max1586_v3_info },
 615};
 616
 617static 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 */
 626struct 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        .sensor_i2c_adapter_id = 0,
 631        .sensor_i2c_address = 0x5d,
 632};
 633
 634static struct i2c_board_info __initdata mioa701_pi2c_devices[] = {
 635        {
 636                I2C_BOARD_INFO("max1586", 0x14),
 637                .platform_data = &max1586_info,
 638        },
 639};
 640
 641/* Board I2C devices. */
 642static struct i2c_board_info mioa701_i2c_devices[] = {
 643        {
 644                I2C_BOARD_INFO("mt9m111", 0x5d),
 645        },
 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",      NULL);
 682
 683static 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_board,
 693};
 694
 695static void mioa701_machine_exit(void);
 696
 697static void mioa701_poweroff(void)
 698{
 699        mioa701_machine_exit();
 700        pxa_restart(REBOOT_SOFT, NULL);
 701}
 702
 703static void mioa701_restart(enum reboot_mode c, const char *cmd)
 704{
 705        mioa701_machine_exit();
 706        pxa_restart(REBOOT_SOFT, cmd);
 707}
 708
 709static struct gpio global_gpios[] = {
 710        { GPIO9_CHARGE_EN, GPIOF_OUT_INIT_HIGH, "Charger enable" },
 711        { GPIO18_POWEROFF, GPIOF_OUT_INIT_LOW, "Power Off" },
 712        { GPIO87_LCD_POWER, GPIOF_OUT_INIT_LOW, "LCD Power" },
 713        { GPIO56_MT9M111_nOE, GPIOF_OUT_INIT_LOW, "Camera nOE" },
 714};
 715
 716static struct regulator_consumer_supply fixed_5v0_consumers[] = {
 717        REGULATOR_SUPPLY("power", "pwm-backlight"),
 718};
 719
 720static void __init mioa701_machine_init(void)
 721{
 722        int rc;
 723
 724        PSLR  = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */
 725        PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE;
 726        RTTR = 32768 - 1; /* Reset crazy WinCE value */
 727        UP2OCR = UP2OCR_HXOE;
 728
 729        /*
 730         * Set up the flash memory : DiskOnChip G3 on first static memory bank
 731         */
 732        __raw_writel(0x7ff02dd8, MSC0);
 733        __raw_writel(0x0001c391, MCMEM0);
 734        __raw_writel(0x0001c391, MCATT0);
 735        __raw_writel(0x0001c391, MCIO0);
 736
 737
 738        pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
 739        pxa_set_ffuart_info(NULL);
 740        pxa_set_btuart_info(NULL);
 741        pxa_set_stuart_info(NULL);
 742        rc = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
 743        if (rc)
 744                pr_err("MioA701: Failed to request GPIOs: %d", rc);
 745        bootstrap_init();
 746        pxa_set_fb_info(NULL, &mioa701_pxafb_info);
 747        gpiod_add_lookup_table(&mioa701_mci_gpio_table);
 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        gpiod_add_lookup_table(&gpio_vbus_gpiod_table);
 755        platform_add_devices(devices, ARRAY_SIZE(devices));
 756        gsm_init();
 757
 758        i2c_register_board_info(0, ARRAY_AND_SIZE(mioa701_i2c_devices));
 759        i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices));
 760        pxa_set_i2c_info(&i2c_pdata);
 761        pxa27x_set_i2c_power_info(NULL);
 762        pxa_set_camera_info(&mioa701_pxacamera_platform_data);
 763
 764        regulator_register_always_on(0, "fixed-5.0V", fixed_5v0_consumers,
 765                                     ARRAY_SIZE(fixed_5v0_consumers),
 766                                     5000000);
 767        regulator_has_full_constraints();
 768}
 769
 770static void mioa701_machine_exit(void)
 771{
 772        bootstrap_exit();
 773        gsm_exit();
 774}
 775
 776MACHINE_START(MIOA701, "MIO A701")
 777        .atag_offset    = 0x100,
 778        .map_io         = &pxa27x_map_io,
 779        .nr_irqs        = PXA_NR_IRQS,
 780        .init_irq       = &pxa27x_init_irq,
 781        .handle_irq     = &pxa27x_handle_irq,
 782        .init_machine   = mioa701_machine_init,
 783        .init_time      = pxa_timer_init,
 784        .restart        = mioa701_restart,
 785MACHINE_END
 786