linux/arch/arm/mach-pxa/magician.c
<<
>>
Prefs
   1/*
   2 * Support for HTC Magician PDA phones:
   3 * i-mate JAM, O2 Xda mini, Orange SPV M500, Qtek s100, Qtek s110
   4 * and T-Mobile MDA Compact.
   5 *
   6 * Copyright (c) 2006-2007 Philipp Zabel
   7 *
   8 * Based on hx4700.c, spitz.c and others.
   9 *
  10 * This program is free software; you can redistribute it and/or modify
  11 * it under the terms of the GNU General Public License version 2 as
  12 * published by the Free Software Foundation.
  13 *
  14 */
  15
  16#include <linux/kernel.h>
  17#include <linux/init.h>
  18#include <linux/platform_device.h>
  19#include <linux/delay.h>
  20#include <linux/gpio.h>
  21#include <linux/gpio_keys.h>
  22#include <linux/input.h>
  23#include <linux/mfd/htc-pasic3.h>
  24#include <linux/mtd/physmap.h>
  25#include <linux/pda_power.h>
  26#include <linux/platform_data/gpio-htc-egpio.h>
  27#include <linux/pwm.h>
  28#include <linux/pwm_backlight.h>
  29#include <linux/regulator/driver.h>
  30#include <linux/regulator/fixed.h>
  31#include <linux/regulator/gpio-regulator.h>
  32#include <linux/regulator/machine.h>
  33#include <linux/usb/gpio_vbus.h>
  34#include <linux/platform_data/i2c-pxa.h>
  35
  36#include <mach/hardware.h>
  37#include <asm/mach-types.h>
  38#include <asm/mach/arch.h>
  39#include <asm/system_info.h>
  40
  41#include "pxa27x.h"
  42#include <mach/magician.h>
  43#include <linux/platform_data/video-pxafb.h>
  44#include <linux/platform_data/mmc-pxamci.h>
  45#include <linux/platform_data/irda-pxaficp.h>
  46#include <linux/platform_data/usb-ohci-pxa27x.h>
  47
  48#include <linux/regulator/max1586.h>
  49
  50#include <linux/platform_data/pxa2xx_udc.h>
  51
  52#include "udc.h"
  53#include "pxa27x-udc.h"
  54#include "devices.h"
  55#include "generic.h"
  56
  57#include <linux/spi/spi.h>
  58#include <linux/spi/pxa2xx_spi.h>
  59#include <linux/spi/ads7846.h>
  60
  61static unsigned long magician_pin_config[] __initdata = {
  62
  63        /* SDRAM and Static Memory I/O Signals */
  64        GPIO20_nSDCS_2,
  65        GPIO21_nSDCS_3,
  66        GPIO15_nCS_1,
  67        GPIO78_nCS_2,   /* PASIC3 */
  68        GPIO79_nCS_3,   /* EGPIO CPLD */
  69        GPIO80_nCS_4,
  70        GPIO33_nCS_5,
  71
  72        /* I2C UDA1380 + OV9640 */
  73        GPIO117_I2C_SCL,
  74        GPIO118_I2C_SDA,
  75
  76        /* PWM 0 - LCD backlight */
  77        GPIO16_PWM0_OUT,
  78
  79        /* I2S UDA1380 capture */
  80        GPIO28_I2S_BITCLK_OUT,
  81        GPIO29_I2S_SDATA_IN,
  82        GPIO31_I2S_SYNC,
  83        GPIO113_I2S_SYSCLK,
  84
  85        /* SSP 1 UDA1380 playback */
  86        GPIO23_SSP1_SCLK,
  87        GPIO24_SSP1_SFRM,
  88        GPIO25_SSP1_TXD,
  89
  90        /* SSP 2 TSC2046 touchscreen */
  91        GPIO19_SSP2_SCLK,
  92        MFP_CFG_OUT(GPIO14, AF0, DRIVE_HIGH),   /* frame as GPIO */
  93        GPIO89_SSP2_TXD,
  94        GPIO88_SSP2_RXD,
  95
  96        /* MMC/SD/SDHC slot */
  97        GPIO32_MMC_CLK,
  98        GPIO92_MMC_DAT_0,
  99        GPIO109_MMC_DAT_1,
 100        GPIO110_MMC_DAT_2,
 101        GPIO111_MMC_DAT_3,
 102        GPIO112_MMC_CMD,
 103
 104        /* LCD */
 105        GPIOxx_LCD_TFT_16BPP,
 106
 107        /* QCI camera interface */
 108        GPIO12_CIF_DD_7,
 109        GPIO17_CIF_DD_6,
 110        GPIO50_CIF_DD_3,
 111        GPIO51_CIF_DD_2,
 112        GPIO52_CIF_DD_4,
 113        GPIO53_CIF_MCLK,
 114        GPIO54_CIF_PCLK,
 115        GPIO55_CIF_DD_1,
 116        GPIO81_CIF_DD_0,
 117        GPIO82_CIF_DD_5,
 118        GPIO84_CIF_FV,
 119        GPIO85_CIF_LV,
 120
 121        /* Magician specific input GPIOs */
 122        GPIO9_GPIO,     /* unknown */
 123        GPIO10_GPIO,    /* GSM_IRQ */
 124        GPIO13_GPIO,    /* CPLD_IRQ */
 125        GPIO107_GPIO,   /* DS1WM_IRQ */
 126        GPIO108_GPIO,   /* GSM_READY */
 127        GPIO115_GPIO,   /* nPEN_IRQ */
 128};
 129
 130/*
 131 * IrDA
 132 */
 133
 134static struct pxaficp_platform_data magician_ficp_info = {
 135        .gpio_pwdown            = GPIO83_MAGICIAN_nIR_EN,
 136        .transceiver_cap        = IR_SIRMODE | IR_OFF,
 137        .gpio_pwdown_inverted   = 0,
 138};
 139
 140/*
 141 * GPIO Keys
 142 */
 143
 144#define INIT_KEY(_code, _gpio, _desc)   \
 145        {                               \
 146                .code   = KEY_##_code,  \
 147                .gpio   = _gpio,        \
 148                .desc   = _desc,        \
 149                .type   = EV_KEY,       \
 150                .wakeup = 1,            \
 151        }
 152
 153static struct gpio_keys_button magician_button_table[] = {
 154        INIT_KEY(POWER,      GPIO0_MAGICIAN_KEY_POWER,      "Power button"),
 155        INIT_KEY(ESC,        GPIO37_MAGICIAN_KEY_HANGUP,    "Hangup button"),
 156        INIT_KEY(F10,        GPIO38_MAGICIAN_KEY_CONTACTS,  "Contacts button"),
 157        INIT_KEY(CALENDAR,   GPIO90_MAGICIAN_KEY_CALENDAR,  "Calendar button"),
 158        INIT_KEY(CAMERA,     GPIO91_MAGICIAN_KEY_CAMERA,    "Camera button"),
 159        INIT_KEY(UP,         GPIO93_MAGICIAN_KEY_UP,        "Up button"),
 160        INIT_KEY(DOWN,       GPIO94_MAGICIAN_KEY_DOWN,      "Down button"),
 161        INIT_KEY(LEFT,       GPIO95_MAGICIAN_KEY_LEFT,      "Left button"),
 162        INIT_KEY(RIGHT,      GPIO96_MAGICIAN_KEY_RIGHT,     "Right button"),
 163        INIT_KEY(KPENTER,    GPIO97_MAGICIAN_KEY_ENTER,     "Action button"),
 164        INIT_KEY(RECORD,     GPIO98_MAGICIAN_KEY_RECORD,    "Record button"),
 165        INIT_KEY(VOLUMEUP,   GPIO100_MAGICIAN_KEY_VOL_UP,   "Volume up"),
 166        INIT_KEY(VOLUMEDOWN, GPIO101_MAGICIAN_KEY_VOL_DOWN, "Volume down"),
 167        INIT_KEY(PHONE,      GPIO102_MAGICIAN_KEY_PHONE,    "Phone button"),
 168        INIT_KEY(PLAY,       GPIO99_MAGICIAN_HEADPHONE_IN,  "Headset button"),
 169};
 170
 171static struct gpio_keys_platform_data gpio_keys_data = {
 172        .buttons        = magician_button_table,
 173        .nbuttons       = ARRAY_SIZE(magician_button_table),
 174};
 175
 176static struct platform_device gpio_keys = {
 177        .name   = "gpio-keys",
 178        .dev    = {
 179                .platform_data = &gpio_keys_data,
 180        },
 181        .id     = -1,
 182};
 183
 184/*
 185 * EGPIO (Xilinx CPLD)
 186 *
 187 * 32-bit aligned 8-bit registers
 188 * 16 possible registers (reg windows size), only 7 used:
 189 * 3x output, 1x irq, 3x input
 190 */
 191
 192static struct resource egpio_resources[] = {
 193        [0] = {
 194                .start  = PXA_CS3_PHYS,
 195                .end    = PXA_CS3_PHYS + 0x20 - 1,
 196                .flags  = IORESOURCE_MEM,
 197        },
 198        [1] = {
 199                .start  = PXA_GPIO_TO_IRQ(GPIO13_MAGICIAN_CPLD_IRQ),
 200                .end    = PXA_GPIO_TO_IRQ(GPIO13_MAGICIAN_CPLD_IRQ),
 201                .flags  = IORESOURCE_IRQ,
 202        },
 203};
 204
 205static struct htc_egpio_chip egpio_chips[] = {
 206        [0] = {
 207                .reg_start      = 0,
 208                .gpio_base      = MAGICIAN_EGPIO(0, 0),
 209                .num_gpios      = 24,
 210                .direction      = HTC_EGPIO_OUTPUT,
 211                /*
 212                 * Depends on modules configuration
 213                 */
 214                .initial_values = 0x40, /* EGPIO_MAGICIAN_GSM_RESET */
 215        },
 216        [1] = {
 217                .reg_start      = 4,
 218                .gpio_base      = MAGICIAN_EGPIO(4, 0),
 219                .num_gpios      = 24,
 220                .direction      = HTC_EGPIO_INPUT,
 221        },
 222};
 223
 224static struct htc_egpio_platform_data egpio_info = {
 225        .reg_width      = 8,
 226        .bus_width      = 32,
 227        .irq_base       = IRQ_BOARD_START,
 228        .num_irqs       = 4,
 229        .ack_register   = 3,
 230        .chip           = egpio_chips,
 231        .num_chips      = ARRAY_SIZE(egpio_chips),
 232};
 233
 234static struct platform_device egpio = {
 235        .name           = "htc-egpio",
 236        .id             = -1,
 237        .resource       = egpio_resources,
 238        .num_resources  = ARRAY_SIZE(egpio_resources),
 239        .dev = {
 240                .platform_data = &egpio_info,
 241        },
 242};
 243
 244/*
 245 * PXAFB LCD - Toppoly TD028STEB1 or Samsung LTP280QV
 246 */
 247
 248static struct pxafb_mode_info toppoly_modes[] = {
 249        {
 250                .pixclock       = 96153,
 251                .bpp            = 16,
 252                .xres           = 240,
 253                .yres           = 320,
 254                .hsync_len      = 11,
 255                .vsync_len      = 3,
 256                .left_margin    = 19,
 257                .upper_margin   = 2,
 258                .right_margin   = 10,
 259                .lower_margin   = 2,
 260                .sync           = 0,
 261        },
 262};
 263
 264static struct pxafb_mode_info samsung_modes[] = {
 265        {
 266                .pixclock       = 226469,
 267                .bpp            = 16,
 268                .xres           = 240,
 269                .yres           = 320,
 270                .hsync_len      = 8,
 271                .vsync_len      = 4,
 272                .left_margin    = 9,
 273                .upper_margin   = 4,
 274                .right_margin   = 9,
 275                .lower_margin   = 4,
 276                .sync   = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 277        },
 278};
 279
 280static void toppoly_lcd_power(int on, struct fb_var_screeninfo *si)
 281{
 282        pr_debug("Toppoly LCD power: %s\n", on ? "on" : "off");
 283
 284        if (on) {
 285                gpio_set_value(EGPIO_MAGICIAN_TOPPOLY_POWER, 1);
 286                gpio_set_value(GPIO106_MAGICIAN_LCD_DCDC_NRESET, 1);
 287                udelay(2000);
 288                gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 1);
 289                udelay(2000);
 290                /* FIXME: enable LCDC here */
 291                udelay(2000);
 292                gpio_set_value(GPIO104_MAGICIAN_LCD_VOFF_EN, 1);
 293                udelay(2000);
 294                gpio_set_value(GPIO105_MAGICIAN_LCD_VON_EN, 1);
 295        } else {
 296                msleep(15);
 297                gpio_set_value(GPIO105_MAGICIAN_LCD_VON_EN, 0);
 298                udelay(500);
 299                gpio_set_value(GPIO104_MAGICIAN_LCD_VOFF_EN, 0);
 300                udelay(1000);
 301                gpio_set_value(GPIO106_MAGICIAN_LCD_DCDC_NRESET, 0);
 302                gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 0);
 303        }
 304}
 305
 306static void samsung_lcd_power(int on, struct fb_var_screeninfo *si)
 307{
 308        pr_debug("Samsung LCD power: %s\n", on ? "on" : "off");
 309
 310        if (on) {
 311                if (system_rev < 3)
 312                        gpio_set_value(GPIO75_MAGICIAN_SAMSUNG_POWER, 1);
 313                else
 314                        gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 1);
 315                mdelay(6);
 316                gpio_set_value(GPIO106_MAGICIAN_LCD_DCDC_NRESET, 1);
 317                mdelay(6);      /* Avdd -> Voff >5ms */
 318                gpio_set_value(GPIO104_MAGICIAN_LCD_VOFF_EN, 1);
 319                mdelay(16);     /* Voff -> Von >(5+10)ms */
 320                gpio_set_value(GPIO105_MAGICIAN_LCD_VON_EN, 1);
 321        } else {
 322                gpio_set_value(GPIO105_MAGICIAN_LCD_VON_EN, 0);
 323                mdelay(16);
 324                gpio_set_value(GPIO104_MAGICIAN_LCD_VOFF_EN, 0);
 325                mdelay(6);
 326                gpio_set_value(GPIO106_MAGICIAN_LCD_DCDC_NRESET, 0);
 327                mdelay(6);
 328                if (system_rev < 3)
 329                        gpio_set_value(GPIO75_MAGICIAN_SAMSUNG_POWER, 0);
 330                else
 331                        gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 0);
 332        }
 333}
 334
 335static struct pxafb_mach_info toppoly_info = {
 336        .modes                  = toppoly_modes,
 337        .num_modes              = 1,
 338        .fixed_modes            = 1,
 339        .lcd_conn               = LCD_COLOR_TFT_16BPP,
 340        .pxafb_lcd_power        = toppoly_lcd_power,
 341};
 342
 343static struct pxafb_mach_info samsung_info = {
 344        .modes                  = samsung_modes,
 345        .num_modes              = 1,
 346        .fixed_modes            = 1,
 347        .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL |
 348                LCD_ALTERNATE_MAPPING,
 349        .pxafb_lcd_power        = samsung_lcd_power,
 350};
 351
 352/*
 353 * Backlight
 354 */
 355
 356static struct pwm_lookup magician_pwm_lookup[] = {
 357        PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight", NULL, 30923,
 358                   PWM_POLARITY_NORMAL),
 359};
 360
 361 /*
 362 * fixed regulator for pwm_backlight
 363 */
 364
 365static struct regulator_consumer_supply pwm_backlight_supply[] = {
 366        REGULATOR_SUPPLY("power", "pwm_backlight"),
 367};
 368
 369
 370static struct gpio magician_bl_gpios[] = {
 371        { EGPIO_MAGICIAN_BL_POWER,      GPIOF_DIR_OUT, "Backlight power" },
 372        { EGPIO_MAGICIAN_BL_POWER2,     GPIOF_DIR_OUT, "Backlight power 2" },
 373};
 374
 375static int magician_backlight_init(struct device *dev)
 376{
 377        return gpio_request_array(ARRAY_AND_SIZE(magician_bl_gpios));
 378}
 379
 380static int magician_backlight_notify(struct device *dev, int brightness)
 381{
 382        pr_debug("Brightness = %i\n", brightness);
 383        gpio_set_value(EGPIO_MAGICIAN_BL_POWER, brightness);
 384        if (brightness >= 200) {
 385                gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 1);
 386                return brightness - 72;
 387        } else {
 388                gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 0);
 389                return brightness;
 390        }
 391}
 392
 393static void magician_backlight_exit(struct device *dev)
 394{
 395        gpio_free_array(ARRAY_AND_SIZE(magician_bl_gpios));
 396}
 397
 398/*
 399 * LCD PWM backlight (main)
 400 *
 401 * MP1521 frequency should be:
 402 *      100-400 Hz = 2 .5*10^6 - 10 *10^6 ns
 403 */
 404
 405static struct platform_pwm_backlight_data backlight_data = {
 406        .max_brightness = 272,
 407        .dft_brightness = 100,
 408        .enable_gpio    = -1,
 409        .init           = magician_backlight_init,
 410        .notify         = magician_backlight_notify,
 411        .exit           = magician_backlight_exit,
 412};
 413
 414static struct platform_device backlight = {
 415        .name   = "pwm-backlight",
 416        .id     = -1,
 417        .dev    = {
 418                .parent         = &pxa27x_device_pwm0.dev,
 419                .platform_data  = &backlight_data,
 420        },
 421};
 422
 423/*
 424 * GPIO LEDs, Phone keys backlight, vibra
 425 */
 426
 427static struct gpio_led gpio_leds[] = {
 428        {
 429                .name = "magician::vibra",
 430                .default_trigger = "none",
 431                .gpio = GPIO22_MAGICIAN_VIBRA_EN,
 432        },
 433        {
 434                .name = "magician::phone_bl",
 435                .default_trigger = "backlight",
 436                .gpio = GPIO103_MAGICIAN_LED_KP,
 437        },
 438};
 439
 440static struct gpio_led_platform_data gpio_led_info = {
 441        .leds = gpio_leds,
 442        .num_leds = ARRAY_SIZE(gpio_leds),
 443};
 444
 445static struct platform_device leds_gpio = {
 446        .name   = "leds-gpio",
 447        .id     = -1,
 448        .dev    = {
 449                .platform_data = &gpio_led_info,
 450        },
 451};
 452
 453/*
 454 * PASIC3 with DS1WM
 455 */
 456
 457static struct resource pasic3_resources[] = {
 458        [0] = {
 459                .start  = PXA_CS2_PHYS,
 460                .end    = PXA_CS2_PHYS + 0x1b,
 461                .flags  = IORESOURCE_MEM,
 462        },
 463        /* No IRQ handler in the PASIC3, DS1WM needs an external IRQ */
 464        [1] = {
 465                .start  = PXA_GPIO_TO_IRQ(GPIO107_MAGICIAN_DS1WM_IRQ),
 466                .end    = PXA_GPIO_TO_IRQ(GPIO107_MAGICIAN_DS1WM_IRQ),
 467                .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 468        }
 469};
 470
 471static struct pasic3_platform_data pasic3_platform_data = {
 472        .clock_rate = 4000000,
 473};
 474
 475static struct platform_device pasic3 = {
 476        .name           = "pasic3",
 477        .id             = -1,
 478        .num_resources  = ARRAY_SIZE(pasic3_resources),
 479        .resource       = pasic3_resources,
 480        .dev = {
 481                .platform_data = &pasic3_platform_data,
 482        },
 483};
 484
 485/*
 486 * PXA UDC
 487 */
 488
 489static void magician_udc_command(int cmd)
 490{
 491        if (cmd == PXA2XX_UDC_CMD_CONNECT)
 492                UP2OCR |= UP2OCR_DPPUE | UP2OCR_DPPUBE;
 493        else if (cmd == PXA2XX_UDC_CMD_DISCONNECT)
 494                UP2OCR &= ~(UP2OCR_DPPUE | UP2OCR_DPPUBE);
 495}
 496
 497static struct pxa2xx_udc_mach_info magician_udc_info __initdata = {
 498        .udc_command    = magician_udc_command,
 499        .gpio_pullup    = GPIO27_MAGICIAN_USBC_PUEN,
 500};
 501
 502/*
 503 * USB device VBus detection
 504 */
 505
 506static struct resource gpio_vbus_resource = {
 507        .flags  = IORESOURCE_IRQ,
 508        .start  = IRQ_MAGICIAN_VBUS,
 509        .end    = IRQ_MAGICIAN_VBUS,
 510};
 511
 512static struct gpio_vbus_mach_info gpio_vbus_info = {
 513        .gpio_pullup    = GPIO27_MAGICIAN_USBC_PUEN,
 514        .gpio_vbus      = EGPIO_MAGICIAN_CABLE_VBUS,
 515};
 516
 517static struct platform_device gpio_vbus = {
 518        .name           = "gpio-vbus",
 519        .id             = -1,
 520        .num_resources  = 1,
 521        .resource       = &gpio_vbus_resource,
 522        .dev = {
 523                .platform_data = &gpio_vbus_info,
 524        },
 525};
 526
 527/*
 528 * External power
 529 */
 530
 531static int magician_supply_init(struct device *dev)
 532{
 533        int ret = -1;
 534
 535        ret = gpio_request(EGPIO_MAGICIAN_CABLE_TYPE, "Cable is AC charger");
 536        if (ret) {
 537                pr_err("Cannot request AC/USB charger GPIO (%i)\n", ret);
 538                goto err_ac;
 539        }
 540
 541        ret = gpio_request(EGPIO_MAGICIAN_CABLE_INSERTED, "Cable inserted");
 542        if (ret) {
 543                pr_err("Cannot request cable detection GPIO (%i)\n", ret);
 544                goto err_usb;
 545        }
 546
 547        return 0;
 548
 549err_usb:
 550        gpio_free(EGPIO_MAGICIAN_CABLE_TYPE);
 551err_ac:
 552        return ret;
 553}
 554
 555static void magician_set_charge(int flags)
 556{
 557        if (flags & PDA_POWER_CHARGE_AC) {
 558                pr_debug("Charging from AC\n");
 559                gpio_set_value(EGPIO_MAGICIAN_NICD_CHARGE, 1);
 560        } else if (flags & PDA_POWER_CHARGE_USB) {
 561                pr_debug("Charging from USB\n");
 562                gpio_set_value(EGPIO_MAGICIAN_NICD_CHARGE, 1);
 563        } else {
 564                pr_debug("Charging disabled\n");
 565                gpio_set_value(EGPIO_MAGICIAN_NICD_CHARGE, 0);
 566        }
 567}
 568
 569static int magician_is_ac_online(void)
 570{
 571        return gpio_get_value(EGPIO_MAGICIAN_CABLE_INSERTED) &&
 572                gpio_get_value(EGPIO_MAGICIAN_CABLE_TYPE); /* AC=1 */
 573}
 574
 575static int magician_is_usb_online(void)
 576{
 577        return gpio_get_value(EGPIO_MAGICIAN_CABLE_INSERTED) &&
 578                (!gpio_get_value(EGPIO_MAGICIAN_CABLE_TYPE)); /* USB=0 */
 579}
 580
 581static void magician_supply_exit(struct device *dev)
 582{
 583        gpio_free(EGPIO_MAGICIAN_CABLE_INSERTED);
 584        gpio_free(EGPIO_MAGICIAN_CABLE_TYPE);
 585}
 586
 587static char *magician_supplicants[] = {
 588        "ds2760-battery.0", "backup-battery"
 589};
 590
 591static struct pda_power_pdata power_supply_info = {
 592        .init                   = magician_supply_init,
 593        .exit                   = magician_supply_exit,
 594        .is_ac_online           = magician_is_ac_online,
 595        .is_usb_online          = magician_is_usb_online,
 596        .set_charge             = magician_set_charge,
 597        .supplied_to            = magician_supplicants,
 598        .num_supplicants        = ARRAY_SIZE(magician_supplicants),
 599};
 600
 601static struct resource power_supply_resources[] = {
 602        [0] = {
 603                .name   = "ac",
 604                .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
 605                        IORESOURCE_IRQ_LOWEDGE,
 606                .start  = IRQ_MAGICIAN_VBUS,
 607                .end    = IRQ_MAGICIAN_VBUS,
 608        },
 609        [1] = {
 610                .name   = "usb",
 611                .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
 612                        IORESOURCE_IRQ_LOWEDGE,
 613                .start  = IRQ_MAGICIAN_VBUS,
 614                .end    = IRQ_MAGICIAN_VBUS,
 615        },
 616};
 617
 618static struct platform_device power_supply = {
 619        .name   = "pda-power",
 620        .id     = -1,
 621        .dev = {
 622                .platform_data = &power_supply_info,
 623        },
 624        .resource       = power_supply_resources,
 625        .num_resources  = ARRAY_SIZE(power_supply_resources),
 626};
 627
 628/*
 629 * Battery charger
 630 */
 631
 632static struct regulator_consumer_supply bq24022_consumers[] = {
 633        REGULATOR_SUPPLY("vbus_draw", NULL),
 634        REGULATOR_SUPPLY("ac_draw", NULL),
 635};
 636
 637static struct regulator_init_data bq24022_init_data = {
 638        .constraints = {
 639                .max_uA         = 500000,
 640                .valid_ops_mask = REGULATOR_CHANGE_CURRENT |
 641                        REGULATOR_CHANGE_STATUS,
 642        },
 643        .num_consumer_supplies  = ARRAY_SIZE(bq24022_consumers),
 644        .consumer_supplies      = bq24022_consumers,
 645};
 646
 647static struct gpio bq24022_gpios[] = {
 648        { EGPIO_MAGICIAN_BQ24022_ISET2, GPIOF_OUT_INIT_LOW, "bq24022_iset2" },
 649};
 650
 651static struct gpio_regulator_state bq24022_states[] = {
 652        { .value = 100000, .gpios = (0 << 0) },
 653        { .value = 500000, .gpios = (1 << 0) },
 654};
 655
 656static struct gpio_regulator_config bq24022_info = {
 657        .supply_name            = "bq24022",
 658
 659        .enable_gpio            = GPIO30_MAGICIAN_BQ24022_nCHARGE_EN,
 660        .enable_high            = 0,
 661        .enabled_at_boot        = 1,
 662
 663        .gpios                  = bq24022_gpios,
 664        .nr_gpios               = ARRAY_SIZE(bq24022_gpios),
 665
 666        .states                 = bq24022_states,
 667        .nr_states              = ARRAY_SIZE(bq24022_states),
 668
 669        .type                   = REGULATOR_CURRENT,
 670        .init_data              = &bq24022_init_data,
 671};
 672
 673static struct platform_device bq24022 = {
 674        .name   = "gpio-regulator",
 675        .id     = -1,
 676        .dev    = {
 677                .platform_data = &bq24022_info,
 678        },
 679};
 680
 681/*
 682 * fixed regulator for ads7846
 683 */
 684
 685static struct regulator_consumer_supply ads7846_supply =
 686        REGULATOR_SUPPLY("vcc", "spi2.0");
 687
 688static struct regulator_init_data vads7846_regulator = {
 689        .constraints    = {
 690                .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 691        },
 692        .num_consumer_supplies  = 1,
 693        .consumer_supplies      = &ads7846_supply,
 694};
 695
 696static struct fixed_voltage_config vads7846 = {
 697        .supply_name    = "vads7846",
 698        .microvolts     = 3300000, /* probably */
 699        .gpio           = -EINVAL,
 700        .startup_delay  = 0,
 701        .init_data      = &vads7846_regulator,
 702};
 703
 704static struct platform_device vads7846_device = {
 705        .name   = "reg-fixed-voltage",
 706        .id     = -1,
 707        .dev    = {
 708                .platform_data  = &vads7846,
 709        },
 710};
 711
 712/*
 713 * Vcore regulator MAX1587A
 714 */
 715
 716static struct regulator_consumer_supply magician_max1587a_consumers[] = {
 717        REGULATOR_SUPPLY("vcc_core", NULL),
 718};
 719
 720static struct regulator_init_data magician_max1587a_v3_info = {
 721        .constraints = {
 722                .name           = "vcc_core range",
 723                .min_uV         = 700000,
 724                .max_uV         = 1475000,
 725                .always_on      = 1,
 726                .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 727        },
 728        .consumer_supplies      = magician_max1587a_consumers,
 729        .num_consumer_supplies  = ARRAY_SIZE(magician_max1587a_consumers),
 730};
 731
 732static struct max1586_subdev_data magician_max1587a_subdevs[] = {
 733        {
 734                .name           = "vcc_core",
 735                .id             = MAX1586_V3,
 736                .platform_data  = &magician_max1587a_v3_info,
 737        }
 738};
 739
 740static struct max1586_platform_data magician_max1587a_info = {
 741        .subdevs     = magician_max1587a_subdevs,
 742        .num_subdevs = ARRAY_SIZE(magician_max1587a_subdevs),
 743        /*
 744         * NOTICE measured directly on the PCB (board_id == 0x3a), but
 745         * if R24 is present, it will boost the voltage
 746         * (write 1.475V, get 1.645V and smoke)
 747         */
 748        .v3_gain     = MAX1586_GAIN_NO_R24,
 749};
 750
 751static struct i2c_board_info magician_pwr_i2c_board_info[] __initdata = {
 752        {
 753                I2C_BOARD_INFO("max1586", 0x14),
 754                .platform_data  = &magician_max1587a_info,
 755        },
 756};
 757
 758/*
 759 * MMC/SD
 760 */
 761
 762static int magician_mci_init(struct device *dev,
 763        irq_handler_t detect_irq, void *data)
 764{
 765        return request_irq(IRQ_MAGICIAN_SD, detect_irq, 0,
 766                "mmc card detect", data);
 767}
 768
 769static void magician_mci_exit(struct device *dev, void *data)
 770{
 771        free_irq(IRQ_MAGICIAN_SD, data);
 772}
 773
 774static struct pxamci_platform_data magician_mci_info = {
 775        .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 776        .init                   = magician_mci_init,
 777        .exit                   = magician_mci_exit,
 778        .gpio_card_detect       = -1,
 779        .gpio_card_ro           = EGPIO_MAGICIAN_nSD_READONLY,
 780        .gpio_card_ro_invert    = 1,
 781        .gpio_power             = EGPIO_MAGICIAN_SD_POWER,
 782};
 783
 784
 785/*
 786 * USB OHCI
 787 */
 788
 789static struct pxaohci_platform_data magician_ohci_info = {
 790        .port_mode      = PMM_PERPORT_MODE,
 791        /* port1: CSR Bluetooth, port2: OTG with UDC */
 792        .flags          = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW,
 793        .power_budget   = 0,
 794        .power_on_delay = 100,
 795};
 796
 797/*
 798 * StrataFlash
 799 */
 800
 801static int magician_flash_init(struct platform_device *pdev)
 802{
 803        int ret = gpio_request(EGPIO_MAGICIAN_FLASH_VPP, "flash Vpp enable");
 804
 805        if (ret) {
 806                pr_err("Cannot request flash enable GPIO (%i)\n", ret);
 807                return ret;
 808        }
 809
 810        ret = gpio_direction_output(EGPIO_MAGICIAN_FLASH_VPP, 1);
 811        if (ret) {
 812                pr_err("Cannot set direction for flash enable (%i)\n", ret);
 813                gpio_free(EGPIO_MAGICIAN_FLASH_VPP);
 814        }
 815
 816        return ret;
 817}
 818
 819static void magician_set_vpp(struct platform_device *pdev, int vpp)
 820{
 821        gpio_set_value(EGPIO_MAGICIAN_FLASH_VPP, vpp);
 822}
 823
 824static void magician_flash_exit(struct platform_device *pdev)
 825{
 826        gpio_free(EGPIO_MAGICIAN_FLASH_VPP);
 827}
 828
 829static struct resource strataflash_resource = {
 830        .start  = PXA_CS0_PHYS,
 831        .end    = PXA_CS0_PHYS + SZ_64M - 1,
 832        .flags  = IORESOURCE_MEM,
 833};
 834
 835static struct mtd_partition magician_flash_parts[] = {
 836        {
 837                .name           = "Bootloader",
 838                .offset         = 0x0,
 839                .size           = 0x40000,
 840                .mask_flags     = MTD_WRITEABLE, /* EXPERIMENTAL */
 841        },
 842        {
 843                .name           = "Linux Kernel",
 844                .offset         = 0x40000,
 845                .size           = MTDPART_SIZ_FULL,
 846        },
 847};
 848
 849/*
 850 * physmap-flash driver
 851 */
 852
 853static struct physmap_flash_data strataflash_data = {
 854        .width          = 4,
 855        .init           = magician_flash_init,
 856        .set_vpp        = magician_set_vpp,
 857        .exit           = magician_flash_exit,
 858        .parts          = magician_flash_parts,
 859        .nr_parts       = ARRAY_SIZE(magician_flash_parts),
 860};
 861
 862static struct platform_device strataflash = {
 863        .name           = "physmap-flash",
 864        .id             = -1,
 865        .resource       = &strataflash_resource,
 866        .num_resources  = 1,
 867        .dev = {
 868                .platform_data = &strataflash_data,
 869        },
 870};
 871
 872/*
 873 * PXA I2C main controller
 874 */
 875
 876static struct i2c_pxa_platform_data i2c_info = {
 877        /* OV9640 I2C device doesn't support fast mode */
 878        .fast_mode      = 0,
 879};
 880
 881/*
 882 * PXA I2C power controller
 883 */
 884
 885static struct i2c_pxa_platform_data magician_i2c_power_info = {
 886        .fast_mode      = 1,
 887};
 888
 889/*
 890 * Touchscreen
 891 */
 892
 893static struct ads7846_platform_data ads7846_pdata = {
 894        .model          = 7846,
 895        .x_plate_ohms   = 317,
 896        .y_plate_ohms   = 500,
 897        .pressure_max   = 1023, /* with x plate ohms it will overflow 255 */
 898        .debounce_max   = 3,    /* first readout is always bad */
 899        .debounce_tol   = 30,
 900        .debounce_rep   = 0,
 901        .gpio_pendown   = GPIO115_MAGICIAN_nPEN_IRQ,
 902        .keep_vref_on   = 1,
 903        .wakeup         = true,
 904        .vref_delay_usecs               = 100,
 905        .penirq_recheck_delay_usecs     = 100,
 906};
 907
 908struct pxa2xx_spi_chip tsc2046_chip_info = {
 909        .tx_threshold   = 1,
 910        .rx_threshold   = 2,
 911        .timeout        = 64,
 912        /* NOTICE must be GPIO, incompatibility with hw PXA SPI framing */
 913        .gpio_cs        = GPIO14_MAGICIAN_TSC2046_CS,
 914};
 915
 916static struct pxa2xx_spi_master magician_spi_info = {
 917        .num_chipselect = 1,
 918        .enable_dma     = 1,
 919};
 920
 921static struct spi_board_info ads7846_spi_board_info[] __initdata = {
 922        {
 923                .modalias               = "ads7846",
 924                .bus_num                = 2,
 925                .max_speed_hz           = 2500000,
 926                .platform_data          = &ads7846_pdata,
 927                .controller_data        = &tsc2046_chip_info,
 928                .irq = PXA_GPIO_TO_IRQ(GPIO115_MAGICIAN_nPEN_IRQ),
 929        },
 930};
 931
 932/*
 933 * Platform devices
 934 */
 935
 936static struct platform_device *devices[] __initdata = {
 937        &gpio_keys,
 938        &egpio,
 939        &backlight,
 940        &pasic3,
 941        &bq24022,
 942        &gpio_vbus,
 943        &power_supply,
 944        &strataflash,
 945        &leds_gpio,
 946        &vads7846_device,
 947};
 948
 949static struct gpio magician_global_gpios[] = {
 950        { GPIO13_MAGICIAN_CPLD_IRQ, GPIOF_IN, "CPLD_IRQ" },
 951        { GPIO107_MAGICIAN_DS1WM_IRQ, GPIOF_IN, "DS1WM_IRQ" },
 952
 953        /* NOTICE valid LCD init sequence */
 954        { GPIO106_MAGICIAN_LCD_DCDC_NRESET, GPIOF_OUT_INIT_LOW, "LCD DCDC nreset" },
 955        { GPIO104_MAGICIAN_LCD_VOFF_EN, GPIOF_OUT_INIT_LOW, "LCD VOFF enable" },
 956        { GPIO105_MAGICIAN_LCD_VON_EN, GPIOF_OUT_INIT_LOW, "LCD VON enable" },
 957};
 958
 959static void __init magician_init(void)
 960{
 961        void __iomem *cpld;
 962        int lcd_select;
 963        int err;
 964
 965        pxa2xx_mfp_config(ARRAY_AND_SIZE(magician_pin_config));
 966        err = gpio_request_array(ARRAY_AND_SIZE(magician_global_gpios));
 967        if (err)
 968                pr_err("magician: Failed to request global GPIOs: %d\n", err);
 969
 970        pxa_set_ffuart_info(NULL);
 971        pxa_set_btuart_info(NULL);
 972
 973        pwm_add_table(magician_pwm_lookup, ARRAY_SIZE(magician_pwm_lookup));
 974
 975        pxa_set_ficp_info(&magician_ficp_info);
 976        pxa27x_set_i2c_power_info(&magician_i2c_power_info);
 977        pxa_set_i2c_info(&i2c_info);
 978
 979        i2c_register_board_info(1,
 980                ARRAY_AND_SIZE(magician_pwr_i2c_board_info));
 981
 982        pxa_set_mci_info(&magician_mci_info);
 983        pxa_set_ohci_info(&magician_ohci_info);
 984        pxa_set_udc_info(&magician_udc_info);
 985
 986        /* Check LCD type we have */
 987        cpld = ioremap_nocache(PXA_CS3_PHYS, 0x1000);
 988        if (cpld) {
 989                u8 board_id = __raw_readb(cpld + 0x14);
 990
 991                iounmap(cpld);
 992                system_rev = board_id & 0x7;
 993                lcd_select = board_id & 0x8;
 994                pr_info("LCD type: %s\n", lcd_select ? "Samsung" : "Toppoly");
 995                if (lcd_select && (system_rev < 3))
 996                        /* NOTICE valid LCD init sequence */
 997                        gpio_request_one(GPIO75_MAGICIAN_SAMSUNG_POWER,
 998                                GPIOF_OUT_INIT_LOW, "Samsung LCD Power");
 999                pxa_set_fb_info(NULL,
1000                        lcd_select ? &samsung_info : &toppoly_info);
1001        } else
1002                pr_err("LCD detection: CPLD mapping failed\n");
1003
1004        pxa2xx_set_spi_info(2, &magician_spi_info);
1005        spi_register_board_info(ARRAY_AND_SIZE(ads7846_spi_board_info));
1006
1007        regulator_register_always_on(0, "power", pwm_backlight_supply,
1008                ARRAY_SIZE(pwm_backlight_supply), 5000000);
1009
1010        platform_add_devices(ARRAY_AND_SIZE(devices));
1011}
1012
1013MACHINE_START(MAGICIAN, "HTC Magician")
1014        .atag_offset    = 0x100,
1015        .map_io         = pxa27x_map_io,
1016        .nr_irqs        = MAGICIAN_NR_IRQS,
1017        .init_irq       = pxa27x_init_irq,
1018        .handle_irq     = pxa27x_handle_irq,
1019        .init_machine   = magician_init,
1020        .init_time      = pxa_timer_init,
1021        .restart        = pxa_restart,
1022MACHINE_END
1023