arch/arm/mach-pxa/mioa701.c

   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
  52 static 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
 170 static 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 */
 176 static 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  */
 188 static 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
 201 static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
 202 {
 203         gpio_set_value(GPIO87_LCD_POWER, on);
 204 }
 205
 206 static 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  */
 216 static 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
 228 static struct matrix_keymap_data mioa701_matrix_keymap_data = {
 229         .keymap                 = mioa701_matrix_keys,
 230         .keymap_size            = ARRAY_SIZE(mioa701_matrix_keys),
 231 };
 232
 233 static 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) }
 245 static 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
 252 static 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 }
 262 static 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
 270 static 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  */
 288 static 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
 296 irqreturn_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
 303 static struct gpio gsm_gpios[] = {
 304         { GPIO25_GSM_MOD_ON_STATE, GPIOF_IN, "GSM state" },
 305         { GPIO113_GSM_EVENT, GPIOF_IN, "GSM event" },
 306 };
 307
 308 static 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
 324 err_irq:
 325         printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n");
 326         gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
 327 err_gpio:
 328         printk(KERN_ERR "Mioa701: gsm not available\n");
 329         return rc;
 330 }
 331
 332 static 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  */
 359 static int is_usb_connected(void)
 360 {
 361         return !gpio_get_value(GPIO13_nUSB_DETECT);
 362 }
 363
 364 static struct pxa2xx_udc_mach_info mioa701_udc_info = {
 365         .udc_is_connected = is_usb_connected,
 366         .gpio_pullup      = GPIO22_USB_ENABLE,
 367 };
 368
 369 static 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  */
 385 static 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
 390 static 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 */
 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         .sensor_i2c_adapter_id = 0,
 631         .sensor_i2c_address = 0x5d,
 632 };
 633
 634 static 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. */
 642 static struct i2c_board_info mioa701_i2c_devices[] = {
 643         {
 644                 I2C_BOARD_INFO("mt9m111", 0x5d),
 645         },
 646 };
 647
 648 struct i2c_pxa_platform_data i2c_pdata = {
 649         .fast_mode = 1,
 650 };
 651
 652 static 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)    \
 663 static 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
 674 MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys",      &mioa701_gpio_keys_data)
 675 MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight",  &pxa27x_device_pwm0.dev,
 676                 &mioa701_backlight_data);
 677 MIO_SIMPLE_DEV(mioa701_led,       "leds-gpio",      &gpio_led_info)
 678 MIO_SIMPLE_DEV(pxa2xx_pcm,        "pxa2xx-pcm",     NULL)
 679 MIO_SIMPLE_DEV(mioa701_sound,     "mioa701-wm9713", NULL)
 680 MIO_SIMPLE_DEV(mioa701_board,     "mioa701-board",  NULL)
 681 MIO_SIMPLE_DEV(gpio_vbus,         "gpio-vbus",      NULL);
 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_board,
 693 };
 694
 695 static void mioa701_machine_exit(void);
 696
 697 static void mioa701_poweroff(void)
 698 {
 699         mioa701_machine_exit();
 700         pxa_restart(REBOOT_SOFT, NULL);
 701 }
 702
 703 static void mioa701_restart(enum reboot_mode c, const char *cmd)
 704 {
 705         mioa701_machine_exit();
 706         pxa_restart(REBOOT_SOFT, cmd);
 707 }
 708
 709 static 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
 716 static struct regulator_consumer_supply fixed_5v0_consumers[] = {
 717         REGULATOR_SUPPLY("power", "pwm-backlight"),
 718 };
 719
 720 static 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
 770 static void mioa701_machine_exit(void)
 771 {
 772         bootstrap_exit();
 773         gsm_exit();
 774 }
 775
 776 MACHINE_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,
 785 MACHINE_END