arch/arm/mach-pxa/magician.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Support for HTC Magician PDA phones:
   4  * i-mate JAM, O2 Xda mini, Orange SPV M500, Qtek s100, Qtek s110
   5  * and T-Mobile MDA Compact.
   6  *
   7  * Copyright (c) 2006-2007 Philipp Zabel
   8  *
   9  * Based on hx4700.c, spitz.c and others.
  10  */
  11
  12 #include <linux/kernel.h>
  13 #include <linux/init.h>
  14 #include <linux/platform_device.h>
  15 #include <linux/delay.h>
  16 #include <linux/gpio.h>
  17 #include <linux/gpio/machine.h>
  18 #include <linux/gpio_keys.h>
  19 #include <linux/input.h>
  20 #include <linux/mfd/htc-pasic3.h>
  21 #include <linux/mtd/physmap.h>
  22 #include <linux/pda_power.h>
  23 #include <linux/platform_data/gpio-htc-egpio.h>
  24 #include <linux/pwm.h>
  25 #include <linux/pwm_backlight.h>
  26 #include <linux/regulator/driver.h>
  27 #include <linux/regulator/fixed.h>
  28 #include <linux/regulator/gpio-regulator.h>
  29 #include <linux/regulator/machine.h>
  30 #include <linux/usb/gpio_vbus.h>
  31 #include <linux/platform_data/i2c-pxa.h>
  32
  33 #include <mach/hardware.h>
  34 #include <asm/mach-types.h>
  35 #include <asm/mach/arch.h>
  36 #include <asm/system_info.h>
  37
  38 #include "pxa27x.h"
  39 #include <mach/magician.h>
  40 #include <linux/platform_data/video-pxafb.h>
  41 #include <linux/platform_data/mmc-pxamci.h>
  42 #include <linux/platform_data/irda-pxaficp.h>
  43 #include <linux/platform_data/usb-ohci-pxa27x.h>
  44
  45 #include <linux/regulator/max1586.h>
  46
  47 #include <linux/platform_data/pxa2xx_udc.h>
  48
  49 #include "udc.h"
  50 #include "pxa27x-udc.h"
  51 #include "devices.h"
  52 #include "generic.h"
  53
  54 #include <linux/spi/spi.h>
  55 #include <linux/spi/pxa2xx_spi.h>
  56 #include <linux/spi/ads7846.h>
  57
  58 static unsigned long magician_pin_config[] __initdata = {
  59
  60         /* SDRAM and Static Memory I/O Signals */
  61         GPIO20_nSDCS_2,
  62         GPIO21_nSDCS_3,
  63         GPIO15_nCS_1,
  64         GPIO78_nCS_2,   /* PASIC3 */
  65         GPIO79_nCS_3,   /* EGPIO CPLD */
  66         GPIO80_nCS_4,
  67         GPIO33_nCS_5,
  68
  69         /* I2C UDA1380 + OV9640 */
  70         GPIO117_I2C_SCL,
  71         GPIO118_I2C_SDA,
  72
  73         /* PWM 0 - LCD backlight */
  74         GPIO16_PWM0_OUT,
  75
  76         /* I2S UDA1380 capture */
  77         GPIO28_I2S_BITCLK_OUT,
  78         GPIO29_I2S_SDATA_IN,
  79         GPIO31_I2S_SYNC,
  80         GPIO113_I2S_SYSCLK,
  81
  82         /* SSP 1 UDA1380 playback */
  83         GPIO23_SSP1_SCLK,
  84         GPIO24_SSP1_SFRM,
  85         GPIO25_SSP1_TXD,
  86
  87         /* SSP 2 TSC2046 touchscreen */
  88         GPIO19_SSP2_SCLK,
  89         MFP_CFG_OUT(GPIO14, AF0, DRIVE_HIGH),   /* frame as GPIO */
  90         GPIO89_SSP2_TXD,
  91         GPIO88_SSP2_RXD,
  92
  93         /* MMC/SD/SDHC slot */
  94         GPIO32_MMC_CLK,
  95         GPIO92_MMC_DAT_0,
  96         GPIO109_MMC_DAT_1,
  97         GPIO110_MMC_DAT_2,
  98         GPIO111_MMC_DAT_3,
  99         GPIO112_MMC_CMD,
 100
 101         /* LCD */
 102         GPIOxx_LCD_TFT_16BPP,
 103
 104         /* QCI camera interface */
 105         GPIO12_CIF_DD_7,
 106         GPIO17_CIF_DD_6,
 107         GPIO50_CIF_DD_3,
 108         GPIO51_CIF_DD_2,
 109         GPIO52_CIF_DD_4,
 110         GPIO53_CIF_MCLK,
 111         GPIO54_CIF_PCLK,
 112         GPIO55_CIF_DD_1,
 113         GPIO81_CIF_DD_0,
 114         GPIO82_CIF_DD_5,
 115         GPIO84_CIF_FV,
 116         GPIO85_CIF_LV,
 117
 118         /* Magician specific input GPIOs */
 119         GPIO9_GPIO,     /* unknown */
 120         GPIO10_GPIO,    /* GSM_IRQ */
 121         GPIO13_GPIO,    /* CPLD_IRQ */
 122         GPIO107_GPIO,   /* DS1WM_IRQ */
 123         GPIO108_GPIO,   /* GSM_READY */
 124         GPIO115_GPIO,   /* nPEN_IRQ */
 125 };
 126
 127 /*
 128  * IrDA
 129  */
 130
 131 static struct pxaficp_platform_data magician_ficp_info = {
 132         .gpio_pwdown            = GPIO83_MAGICIAN_nIR_EN,
 133         .transceiver_cap        = IR_SIRMODE | IR_OFF,
 134         .gpio_pwdown_inverted   = 0,
 135 };
 136
 137 /*
 138  * GPIO Keys
 139  */
 140
 141 #define INIT_KEY(_code, _gpio, _desc)   \
 142         {                               \
 143                 .code   = KEY_##_code,  \
 144                 .gpio   = _gpio,        \
 145                 .desc   = _desc,        \
 146                 .type   = EV_KEY,       \
 147                 .wakeup = 1,            \
 148         }
 149
 150 static struct gpio_keys_button magician_button_table[] = {
 151         INIT_KEY(POWER,      GPIO0_MAGICIAN_KEY_POWER,      "Power button"),
 152         INIT_KEY(ESC,        GPIO37_MAGICIAN_KEY_HANGUP,    "Hangup button"),
 153         INIT_KEY(F10,        GPIO38_MAGICIAN_KEY_CONTACTS,  "Contacts button"),
 154         INIT_KEY(CALENDAR,   GPIO90_MAGICIAN_KEY_CALENDAR,  "Calendar button"),
 155         INIT_KEY(CAMERA,     GPIO91_MAGICIAN_KEY_CAMERA,    "Camera button"),
 156         INIT_KEY(UP,         GPIO93_MAGICIAN_KEY_UP,        "Up button"),
 157         INIT_KEY(DOWN,       GPIO94_MAGICIAN_KEY_DOWN,      "Down button"),
 158         INIT_KEY(LEFT,       GPIO95_MAGICIAN_KEY_LEFT,      "Left button"),
 159         INIT_KEY(RIGHT,      GPIO96_MAGICIAN_KEY_RIGHT,     "Right button"),
 160         INIT_KEY(KPENTER,    GPIO97_MAGICIAN_KEY_ENTER,     "Action button"),
 161         INIT_KEY(RECORD,     GPIO98_MAGICIAN_KEY_RECORD,    "Record button"),
 162         INIT_KEY(VOLUMEUP,   GPIO100_MAGICIAN_KEY_VOL_UP,   "Volume up"),
 163         INIT_KEY(VOLUMEDOWN, GPIO101_MAGICIAN_KEY_VOL_DOWN, "Volume down"),
 164         INIT_KEY(PHONE,      GPIO102_MAGICIAN_KEY_PHONE,    "Phone button"),
 165         INIT_KEY(PLAY,       GPIO99_MAGICIAN_HEADPHONE_IN,  "Headset button"),
 166 };
 167
 168 static struct gpio_keys_platform_data gpio_keys_data = {
 169         .buttons        = magician_button_table,
 170         .nbuttons       = ARRAY_SIZE(magician_button_table),
 171 };
 172
 173 static struct platform_device gpio_keys = {
 174         .name   = "gpio-keys",
 175         .dev    = {
 176                 .platform_data = &gpio_keys_data,
 177         },
 178         .id     = -1,
 179 };
 180
 181 /*
 182  * EGPIO (Xilinx CPLD)
 183  *
 184  * 32-bit aligned 8-bit registers
 185  * 16 possible registers (reg windows size), only 7 used:
 186  * 3x output, 1x irq, 3x input
 187  */
 188
 189 static struct resource egpio_resources[] = {
 190         [0] = {
 191                 .start  = PXA_CS3_PHYS,
 192                 .end    = PXA_CS3_PHYS + 0x20 - 1,
 193                 .flags  = IORESOURCE_MEM,
 194         },
 195         [1] = {
 196                 .start  = PXA_GPIO_TO_IRQ(GPIO13_MAGICIAN_CPLD_IRQ),
 197                 .end    = PXA_GPIO_TO_IRQ(GPIO13_MAGICIAN_CPLD_IRQ),
 198                 .flags  = IORESOURCE_IRQ,
 199         },
 200 };
 201
 202 static struct htc_egpio_chip egpio_chips[] = {
 203         [0] = {
 204                 .reg_start      = 0,
 205                 .gpio_base      = MAGICIAN_EGPIO(0, 0),
 206                 .num_gpios      = 24,
 207                 .direction      = HTC_EGPIO_OUTPUT,
 208                 /*
 209                  * Depends on modules configuration
 210                  */
 211                 .initial_values = 0x40, /* EGPIO_MAGICIAN_GSM_RESET */
 212         },
 213         [1] = {
 214                 .reg_start      = 4,
 215                 .gpio_base      = MAGICIAN_EGPIO(4, 0),
 216                 .num_gpios      = 24,
 217                 .direction      = HTC_EGPIO_INPUT,
 218         },
 219 };
 220
 221 static struct htc_egpio_platform_data egpio_info = {
 222         .reg_width      = 8,
 223         .bus_width      = 32,
 224         .irq_base       = IRQ_BOARD_START,
 225         .num_irqs       = 4,
 226         .ack_register   = 3,
 227         .chip           = egpio_chips,
 228         .num_chips      = ARRAY_SIZE(egpio_chips),
 229 };
 230
 231 static struct platform_device egpio = {
 232         .name           = "htc-egpio",
 233         .id             = -1,
 234         .resource       = egpio_resources,
 235         .num_resources  = ARRAY_SIZE(egpio_resources),
 236         .dev = {
 237                 .platform_data = &egpio_info,
 238         },
 239 };
 240
 241 /*
 242  * PXAFB LCD - Toppoly TD028STEB1 or Samsung LTP280QV
 243  */
 244
 245 static struct pxafb_mode_info toppoly_modes[] = {
 246         {
 247                 .pixclock       = 96153,
 248                 .bpp            = 16,
 249                 .xres           = 240,
 250                 .yres           = 320,
 251                 .hsync_len      = 11,
 252                 .vsync_len      = 3,
 253                 .left_margin    = 19,
 254                 .upper_margin   = 2,
 255                 .right_margin   = 10,
 256                 .lower_margin   = 2,
 257                 .sync           = 0,
 258         },
 259 };
 260
 261 static struct pxafb_mode_info samsung_modes[] = {
 262         {
 263                 .pixclock       = 226469,
 264                 .bpp            = 16,
 265                 .xres           = 240,
 266                 .yres           = 320,
 267                 .hsync_len      = 8,
 268                 .vsync_len      = 4,
 269                 .left_margin    = 9,
 270                 .upper_margin   = 4,
 271                 .right_margin   = 9,
 272                 .lower_margin   = 4,
 273                 .sync   = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 274         },
 275 };
 276
 277 static void toppoly_lcd_power(int on, struct fb_var_screeninfo *si)
 278 {
 279         pr_debug("Toppoly LCD power: %s\n", on ? "on" : "off");
 280
 281         if (on) {
 282                 gpio_set_value(EGPIO_MAGICIAN_TOPPOLY_POWER, 1);
 283                 gpio_set_value(GPIO106_MAGICIAN_LCD_DCDC_NRESET, 1);
 284                 udelay(2000);
 285                 gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 1);
 286                 udelay(2000);
 287                 /* FIXME: enable LCDC here */
 288                 udelay(2000);
 289                 gpio_set_value(GPIO104_MAGICIAN_LCD_VOFF_EN, 1);
 290                 udelay(2000);
 291                 gpio_set_value(GPIO105_MAGICIAN_LCD_VON_EN, 1);
 292         } else {
 293                 msleep(15);
 294                 gpio_set_value(GPIO105_MAGICIAN_LCD_VON_EN, 0);
 295                 udelay(500);
 296                 gpio_set_value(GPIO104_MAGICIAN_LCD_VOFF_EN, 0);
 297                 udelay(1000);
 298                 gpio_set_value(GPIO106_MAGICIAN_LCD_DCDC_NRESET, 0);
 299                 gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 0);
 300         }
 301 }
 302
 303 static void samsung_lcd_power(int on, struct fb_var_screeninfo *si)
 304 {
 305         pr_debug("Samsung LCD power: %s\n", on ? "on" : "off");
 306
 307         if (on) {
 308                 if (system_rev < 3)
 309                         gpio_set_value(GPIO75_MAGICIAN_SAMSUNG_POWER, 1);
 310                 else
 311                         gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 1);
 312                 mdelay(6);
 313                 gpio_set_value(GPIO106_MAGICIAN_LCD_DCDC_NRESET, 1);
 314                 mdelay(6);      /* Avdd -> Voff >5ms */
 315                 gpio_set_value(GPIO104_MAGICIAN_LCD_VOFF_EN, 1);
 316                 mdelay(16);     /* Voff -> Von >(5+10)ms */
 317                 gpio_set_value(GPIO105_MAGICIAN_LCD_VON_EN, 1);
 318         } else {
 319                 gpio_set_value(GPIO105_MAGICIAN_LCD_VON_EN, 0);
 320                 mdelay(16);
 321                 gpio_set_value(GPIO104_MAGICIAN_LCD_VOFF_EN, 0);
 322                 mdelay(6);
 323                 gpio_set_value(GPIO106_MAGICIAN_LCD_DCDC_NRESET, 0);
 324                 mdelay(6);
 325                 if (system_rev < 3)
 326                         gpio_set_value(GPIO75_MAGICIAN_SAMSUNG_POWER, 0);
 327                 else
 328                         gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 0);
 329         }
 330 }
 331
 332 static struct pxafb_mach_info toppoly_info = {
 333         .modes                  = toppoly_modes,
 334         .num_modes              = 1,
 335         .fixed_modes            = 1,
 336         .lcd_conn               = LCD_COLOR_TFT_16BPP,
 337         .pxafb_lcd_power        = toppoly_lcd_power,
 338 };
 339
 340 static struct pxafb_mach_info samsung_info = {
 341         .modes                  = samsung_modes,
 342         .num_modes              = 1,
 343         .fixed_modes            = 1,
 344         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL |
 345                 LCD_ALTERNATE_MAPPING,
 346         .pxafb_lcd_power        = samsung_lcd_power,
 347 };
 348
 349 /*
 350  * Backlight
 351  */
 352
 353 static struct pwm_lookup magician_pwm_lookup[] = {
 354         PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight", NULL, 30923,
 355                    PWM_POLARITY_NORMAL),
 356 };
 357
 358  /*
 359  * fixed regulator for pwm_backlight
 360  */
 361
 362 static struct regulator_consumer_supply pwm_backlight_supply[] = {
 363         REGULATOR_SUPPLY("power", "pwm_backlight"),
 364 };
 365
 366
 367 static struct gpio magician_bl_gpios[] = {
 368         { EGPIO_MAGICIAN_BL_POWER,      GPIOF_DIR_OUT, "Backlight power" },
 369         { EGPIO_MAGICIAN_BL_POWER2,     GPIOF_DIR_OUT, "Backlight power 2" },
 370 };
 371
 372 static int magician_backlight_init(struct device *dev)
 373 {
 374         return gpio_request_array(ARRAY_AND_SIZE(magician_bl_gpios));
 375 }
 376
 377 static int magician_backlight_notify(struct device *dev, int brightness)
 378 {
 379         pr_debug("Brightness = %i\n", brightness);
 380         gpio_set_value(EGPIO_MAGICIAN_BL_POWER, brightness);
 381         if (brightness >= 200) {
 382                 gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 1);
 383                 return brightness - 72;
 384         } else {
 385                 gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 0);
 386                 return brightness;
 387         }
 388 }
 389
 390 static void magician_backlight_exit(struct device *dev)
 391 {
 392         gpio_free_array(ARRAY_AND_SIZE(magician_bl_gpios));
 393 }
 394
 395 /*
 396  * LCD PWM backlight (main)
 397  *
 398  * MP1521 frequency should be:
 399  *      100-400 Hz = 2 .5*10^6 - 10 *10^6 ns
 400  */
 401
 402 static struct platform_pwm_backlight_data backlight_data = {
 403         .max_brightness = 272,
 404         .dft_brightness = 100,
 405         .enable_gpio    = -1,
 406         .init           = magician_backlight_init,
 407         .notify         = magician_backlight_notify,
 408         .exit           = magician_backlight_exit,
 409 };
 410
 411 static struct platform_device backlight = {
 412         .name   = "pwm-backlight",
 413         .id     = -1,
 414         .dev    = {
 415                 .parent         = &pxa27x_device_pwm0.dev,
 416                 .platform_data  = &backlight_data,
 417         },
 418 };
 419
 420 /*
 421  * GPIO LEDs, Phone keys backlight, vibra
 422  */
 423
 424 static struct gpio_led gpio_leds[] = {
 425         {
 426                 .name = "magician::vibra",
 427                 .default_trigger = "none",
 428                 .gpio = GPIO22_MAGICIAN_VIBRA_EN,
 429         },
 430         {
 431                 .name = "magician::phone_bl",
 432                 .default_trigger = "backlight",
 433                 .gpio = GPIO103_MAGICIAN_LED_KP,
 434         },
 435 };
 436
 437 static struct gpio_led_platform_data gpio_led_info = {
 438         .leds = gpio_leds,
 439         .num_leds = ARRAY_SIZE(gpio_leds),
 440 };
 441
 442 static struct platform_device leds_gpio = {
 443         .name   = "leds-gpio",
 444         .id     = -1,
 445         .dev    = {
 446                 .platform_data = &gpio_led_info,
 447         },
 448 };
 449
 450 /*
 451  * PASIC3 with DS1WM
 452  */
 453
 454 static struct resource pasic3_resources[] = {
 455         [0] = {
 456                 .start  = PXA_CS2_PHYS,
 457                 .end    = PXA_CS2_PHYS + 0x1b,
 458                 .flags  = IORESOURCE_MEM,
 459         },
 460         /* No IRQ handler in the PASIC3, DS1WM needs an external IRQ */
 461         [1] = {
 462                 .start  = PXA_GPIO_TO_IRQ(GPIO107_MAGICIAN_DS1WM_IRQ),
 463                 .end    = PXA_GPIO_TO_IRQ(GPIO107_MAGICIAN_DS1WM_IRQ),
 464                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 465         }
 466 };
 467
 468 static struct pasic3_platform_data pasic3_platform_data = {
 469         .clock_rate = 4000000,
 470 };
 471
 472 static struct platform_device pasic3 = {
 473         .name           = "pasic3",
 474         .id             = -1,
 475         .num_resources  = ARRAY_SIZE(pasic3_resources),
 476         .resource       = pasic3_resources,
 477         .dev = {
 478                 .platform_data = &pasic3_platform_data,
 479         },
 480 };
 481
 482 /*
 483  * PXA UDC
 484  */
 485
 486 static void magician_udc_command(int cmd)
 487 {
 488         if (cmd == PXA2XX_UDC_CMD_CONNECT)
 489                 UP2OCR |= UP2OCR_DPPUE | UP2OCR_DPPUBE;
 490         else if (cmd == PXA2XX_UDC_CMD_DISCONNECT)
 491                 UP2OCR &= ~(UP2OCR_DPPUE | UP2OCR_DPPUBE);
 492 }
 493
 494 static struct pxa2xx_udc_mach_info magician_udc_info __initdata = {
 495         .udc_command    = magician_udc_command,
 496         .gpio_pullup    = GPIO27_MAGICIAN_USBC_PUEN,
 497 };
 498
 499 /*
 500  * USB device VBus detection
 501  */
 502
 503 static struct resource gpio_vbus_resource = {
 504         .flags  = IORESOURCE_IRQ,
 505         .start  = IRQ_MAGICIAN_VBUS,
 506         .end    = IRQ_MAGICIAN_VBUS,
 507 };
 508
 509 static struct gpio_vbus_mach_info gpio_vbus_info = {
 510         .gpio_pullup    = GPIO27_MAGICIAN_USBC_PUEN,
 511         .gpio_vbus      = EGPIO_MAGICIAN_CABLE_VBUS,
 512 };
 513
 514 static struct platform_device gpio_vbus = {
 515         .name           = "gpio-vbus",
 516         .id             = -1,
 517         .num_resources  = 1,
 518         .resource       = &gpio_vbus_resource,
 519         .dev = {
 520                 .platform_data = &gpio_vbus_info,
 521         },
 522 };
 523
 524 /*
 525  * External power
 526  */
 527
 528 static int magician_supply_init(struct device *dev)
 529 {
 530         int ret = -1;
 531
 532         ret = gpio_request(EGPIO_MAGICIAN_CABLE_TYPE, "Cable is AC charger");
 533         if (ret) {
 534                 pr_err("Cannot request AC/USB charger GPIO (%i)\n", ret);
 535                 goto err_ac;
 536         }
 537
 538         ret = gpio_request(EGPIO_MAGICIAN_CABLE_INSERTED, "Cable inserted");
 539         if (ret) {
 540                 pr_err("Cannot request cable detection GPIO (%i)\n", ret);
 541                 goto err_usb;
 542         }
 543
 544         return 0;
 545
 546 err_usb:
 547         gpio_free(EGPIO_MAGICIAN_CABLE_TYPE);
 548 err_ac:
 549         return ret;
 550 }
 551
 552 static void magician_set_charge(int flags)
 553 {
 554         if (flags & PDA_POWER_CHARGE_AC) {
 555                 pr_debug("Charging from AC\n");
 556                 gpio_set_value(EGPIO_MAGICIAN_NICD_CHARGE, 1);
 557         } else if (flags & PDA_POWER_CHARGE_USB) {
 558                 pr_debug("Charging from USB\n");
 559                 gpio_set_value(EGPIO_MAGICIAN_NICD_CHARGE, 1);
 560         } else {
 561                 pr_debug("Charging disabled\n");
 562                 gpio_set_value(EGPIO_MAGICIAN_NICD_CHARGE, 0);
 563         }
 564 }
 565
 566 static int magician_is_ac_online(void)
 567 {
 568         return gpio_get_value(EGPIO_MAGICIAN_CABLE_INSERTED) &&
 569                 gpio_get_value(EGPIO_MAGICIAN_CABLE_TYPE); /* AC=1 */
 570 }
 571
 572 static int magician_is_usb_online(void)
 573 {
 574         return gpio_get_value(EGPIO_MAGICIAN_CABLE_INSERTED) &&
 575                 (!gpio_get_value(EGPIO_MAGICIAN_CABLE_TYPE)); /* USB=0 */
 576 }
 577
 578 static void magician_supply_exit(struct device *dev)
 579 {
 580         gpio_free(EGPIO_MAGICIAN_CABLE_INSERTED);
 581         gpio_free(EGPIO_MAGICIAN_CABLE_TYPE);
 582 }
 583
 584 static char *magician_supplicants[] = {
 585         "ds2760-battery.0", "backup-battery"
 586 };
 587
 588 static struct pda_power_pdata power_supply_info = {
 589         .init                   = magician_supply_init,
 590         .exit                   = magician_supply_exit,
 591         .is_ac_online           = magician_is_ac_online,
 592         .is_usb_online          = magician_is_usb_online,
 593         .set_charge             = magician_set_charge,
 594         .supplied_to            = magician_supplicants,
 595         .num_supplicants        = ARRAY_SIZE(magician_supplicants),
 596 };
 597
 598 static struct resource power_supply_resources[] = {
 599         [0] = {
 600                 .name   = "ac",
 601                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
 602                         IORESOURCE_IRQ_LOWEDGE,
 603                 .start  = IRQ_MAGICIAN_VBUS,
 604                 .end    = IRQ_MAGICIAN_VBUS,
 605         },
 606         [1] = {
 607                 .name   = "usb",
 608                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
 609                         IORESOURCE_IRQ_LOWEDGE,
 610                 .start  = IRQ_MAGICIAN_VBUS,
 611                 .end    = IRQ_MAGICIAN_VBUS,
 612         },
 613 };
 614
 615 static struct platform_device power_supply = {
 616         .name   = "pda-power",
 617         .id     = -1,
 618         .dev = {
 619                 .platform_data = &power_supply_info,
 620         },
 621         .resource       = power_supply_resources,
 622         .num_resources  = ARRAY_SIZE(power_supply_resources),
 623 };
 624
 625 /*
 626  * Battery charger
 627  */
 628
 629 static struct regulator_consumer_supply bq24022_consumers[] = {
 630         REGULATOR_SUPPLY("vbus_draw", NULL),
 631         REGULATOR_SUPPLY("ac_draw", NULL),
 632 };
 633
 634 static struct regulator_init_data bq24022_init_data = {
 635         .constraints = {
 636                 .max_uA         = 500000,
 637                 .valid_ops_mask = REGULATOR_CHANGE_CURRENT |
 638                         REGULATOR_CHANGE_STATUS,
 639         },
 640         .num_consumer_supplies  = ARRAY_SIZE(bq24022_consumers),
 641         .consumer_supplies      = bq24022_consumers,
 642 };
 643
 644
 645 static enum gpiod_flags bq24022_gpiod_gflags[] = { GPIOD_OUT_LOW };
 646
 647 static struct gpio_regulator_state bq24022_states[] = {
 648         { .value = 100000, .gpios = (0 << 0) },
 649         { .value = 500000, .gpios = (1 << 0) },
 650 };
 651
 652 static struct gpio_regulator_config bq24022_info = {
 653         .supply_name            = "bq24022",
 654
 655         .enabled_at_boot        = 1,
 656
 657         .gflags = bq24022_gpiod_gflags,
 658         .ngpios = ARRAY_SIZE(bq24022_gpiod_gflags),
 659
 660         .states                 = bq24022_states,
 661         .nr_states              = ARRAY_SIZE(bq24022_states),
 662
 663         .type                   = REGULATOR_CURRENT,
 664         .init_data              = &bq24022_init_data,
 665 };
 666
 667 static struct platform_device bq24022 = {
 668         .name   = "gpio-regulator",
 669         .id     = -1,
 670         .dev    = {
 671                 .platform_data = &bq24022_info,
 672         },
 673 };
 674
 675 static struct gpiod_lookup_table bq24022_gpiod_table = {
 676         .dev_id = "gpio-regulator",
 677         .table = {
 678                 GPIO_LOOKUP("gpio-pxa", EGPIO_MAGICIAN_BQ24022_ISET2,
 679                             NULL, GPIO_ACTIVE_HIGH),
 680                 GPIO_LOOKUP("gpio-pxa", GPIO30_MAGICIAN_BQ24022_nCHARGE_EN,
 681                             "enable", GPIO_ACTIVE_LOW),
 682                 { },
 683         },
 684 };
 685
 686 /*
 687  * fixed regulator for ads7846
 688  */
 689
 690 static struct regulator_consumer_supply ads7846_supply =
 691         REGULATOR_SUPPLY("vcc", "spi2.0");
 692
 693 static struct regulator_init_data vads7846_regulator = {
 694         .constraints    = {
 695                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 696         },
 697         .num_consumer_supplies  = 1,
 698         .consumer_supplies      = &ads7846_supply,
 699 };
 700
 701 static struct fixed_voltage_config vads7846 = {
 702         .supply_name    = "vads7846",
 703         .microvolts     = 3300000, /* probably */
 704         .startup_delay  = 0,
 705         .init_data      = &vads7846_regulator,
 706 };
 707
 708 static struct platform_device vads7846_device = {
 709         .name   = "reg-fixed-voltage",
 710         .id     = -1,
 711         .dev    = {
 712                 .platform_data  = &vads7846,
 713         },
 714 };
 715
 716 /*
 717  * Vcore regulator MAX1587A
 718  */
 719
 720 static struct regulator_consumer_supply magician_max1587a_consumers[] = {
 721         REGULATOR_SUPPLY("vcc_core", NULL),
 722 };
 723
 724 static struct regulator_init_data magician_max1587a_v3_info = {
 725         .constraints = {
 726                 .name           = "vcc_core range",
 727                 .min_uV         = 700000,
 728                 .max_uV         = 1475000,
 729                 .always_on      = 1,
 730                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 731         },
 732         .consumer_supplies      = magician_max1587a_consumers,
 733         .num_consumer_supplies  = ARRAY_SIZE(magician_max1587a_consumers),
 734 };
 735
 736 static struct max1586_subdev_data magician_max1587a_subdevs[] = {
 737         {
 738                 .name           = "vcc_core",
 739                 .id             = MAX1586_V3,
 740                 .platform_data  = &magician_max1587a_v3_info,
 741         }
 742 };
 743
 744 static struct max1586_platform_data magician_max1587a_info = {
 745         .subdevs     = magician_max1587a_subdevs,
 746         .num_subdevs = ARRAY_SIZE(magician_max1587a_subdevs),
 747         /*
 748          * NOTICE measured directly on the PCB (board_id == 0x3a), but
 749          * if R24 is present, it will boost the voltage
 750          * (write 1.475V, get 1.645V and smoke)
 751          */
 752         .v3_gain     = MAX1586_GAIN_NO_R24,
 753 };
 754
 755 static struct i2c_board_info magician_pwr_i2c_board_info[] __initdata = {
 756         {
 757                 I2C_BOARD_INFO("max1586", 0x14),
 758                 .platform_data  = &magician_max1587a_info,
 759         },
 760 };
 761
 762 /*
 763  * MMC/SD
 764  */
 765
 766 static int magician_mci_init(struct device *dev,
 767         irq_handler_t detect_irq, void *data)
 768 {
 769         return request_irq(IRQ_MAGICIAN_SD, detect_irq, 0,
 770                 "mmc card detect", data);
 771 }
 772
 773 static void magician_mci_exit(struct device *dev, void *data)
 774 {
 775         free_irq(IRQ_MAGICIAN_SD, data);
 776 }
 777
 778 static struct pxamci_platform_data magician_mci_info = {
 779         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 780         .init                   = magician_mci_init,
 781         .exit                   = magician_mci_exit,
 782         .gpio_card_ro_invert    = 1,
 783 };
 784
 785 /*
 786  * Write protect on EGPIO register 5 index 4, this is on the second HTC
 787  * EGPIO chip which starts at register 4, so we need offset 8+4=12 on that
 788  * particular chip.
 789  */
 790 #define EGPIO_MAGICIAN_nSD_READONLY_OFFSET 12
 791 /*
 792  * Power on EGPIO register 2 index 0, so this is on the first HTC EGPIO chip
 793  * starting at register 0 so we need offset 2*8+0 = 16 on that chip.
 794  */
 795 #define EGPIO_MAGICIAN_nSD_POWER_OFFSET 16
 796
 797 static struct gpiod_lookup_table magician_mci_gpio_table = {
 798         .dev_id = "pxa2xx-mci.0",
 799         .table = {
 800                 GPIO_LOOKUP("htc-egpio-1", EGPIO_MAGICIAN_nSD_READONLY_OFFSET,
 801                             "wp", GPIO_ACTIVE_HIGH),
 802                 GPIO_LOOKUP("htc-egpio-0", EGPIO_MAGICIAN_nSD_POWER_OFFSET,
 803                             "power", GPIO_ACTIVE_HIGH),
 804                 { },
 805         },
 806 };
 807
 808 /*
 809  * USB OHCI
 810  */
 811
 812 static struct pxaohci_platform_data magician_ohci_info = {
 813         .port_mode      = PMM_PERPORT_MODE,
 814         /* port1: CSR Bluetooth, port2: OTG with UDC */
 815         .flags          = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW,
 816         .power_budget   = 0,
 817         .power_on_delay = 100,
 818 };
 819
 820 /*
 821  * StrataFlash
 822  */
 823
 824 static int magician_flash_init(struct platform_device *pdev)
 825 {
 826         int ret = gpio_request(EGPIO_MAGICIAN_FLASH_VPP, "flash Vpp enable");
 827
 828         if (ret) {
 829                 pr_err("Cannot request flash enable GPIO (%i)\n", ret);
 830                 return ret;
 831         }
 832
 833         ret = gpio_direction_output(EGPIO_MAGICIAN_FLASH_VPP, 1);
 834         if (ret) {
 835                 pr_err("Cannot set direction for flash enable (%i)\n", ret);
 836                 gpio_free(EGPIO_MAGICIAN_FLASH_VPP);
 837         }
 838
 839         return ret;
 840 }
 841
 842 static void magician_set_vpp(struct platform_device *pdev, int vpp)
 843 {
 844         gpio_set_value(EGPIO_MAGICIAN_FLASH_VPP, vpp);
 845 }
 846
 847 static void magician_flash_exit(struct platform_device *pdev)
 848 {
 849         gpio_free(EGPIO_MAGICIAN_FLASH_VPP);
 850 }
 851
 852 static struct resource strataflash_resource = {
 853         .start  = PXA_CS0_PHYS,
 854         .end    = PXA_CS0_PHYS + SZ_64M - 1,
 855         .flags  = IORESOURCE_MEM,
 856 };
 857
 858 static struct mtd_partition magician_flash_parts[] = {
 859         {
 860                 .name           = "Bootloader",
 861                 .offset         = 0x0,
 862                 .size           = 0x40000,
 863                 .mask_flags     = MTD_WRITEABLE, /* EXPERIMENTAL */
 864         },
 865         {
 866                 .name           = "Linux Kernel",
 867                 .offset         = 0x40000,
 868                 .size           = MTDPART_SIZ_FULL,
 869         },
 870 };
 871
 872 /*
 873  * physmap-flash driver
 874  */
 875
 876 static struct physmap_flash_data strataflash_data = {
 877         .width          = 4,
 878         .init           = magician_flash_init,
 879         .set_vpp        = magician_set_vpp,
 880         .exit           = magician_flash_exit,
 881         .parts          = magician_flash_parts,
 882         .nr_parts       = ARRAY_SIZE(magician_flash_parts),
 883 };
 884
 885 static struct platform_device strataflash = {
 886         .name           = "physmap-flash",
 887         .id             = -1,
 888         .resource       = &strataflash_resource,
 889         .num_resources  = 1,
 890         .dev = {
 891                 .platform_data = &strataflash_data,
 892         },
 893 };
 894
 895 /*
 896  * PXA I2C main controller
 897  */
 898
 899 static struct i2c_pxa_platform_data i2c_info = {
 900         /* OV9640 I2C device doesn't support fast mode */
 901         .fast_mode      = 0,
 902 };
 903
 904 /*
 905  * PXA I2C power controller
 906  */
 907
 908 static struct i2c_pxa_platform_data magician_i2c_power_info = {
 909         .fast_mode      = 1,
 910 };
 911
 912 /*
 913  * Touchscreen
 914  */
 915
 916 static struct ads7846_platform_data ads7846_pdata = {
 917         .model          = 7846,
 918         .x_plate_ohms   = 317,
 919         .y_plate_ohms   = 500,
 920         .pressure_max   = 1023, /* with x plate ohms it will overflow 255 */
 921         .debounce_max   = 3,    /* first readout is always bad */
 922         .debounce_tol   = 30,
 923         .debounce_rep   = 0,
 924         .gpio_pendown   = GPIO115_MAGICIAN_nPEN_IRQ,
 925         .keep_vref_on   = 1,
 926         .wakeup         = true,
 927         .vref_delay_usecs               = 100,
 928         .penirq_recheck_delay_usecs     = 100,
 929 };
 930
 931 struct pxa2xx_spi_chip tsc2046_chip_info = {
 932         .tx_threshold   = 1,
 933         .rx_threshold   = 2,
 934         .timeout        = 64,
 935         /* NOTICE must be GPIO, incompatibility with hw PXA SPI framing */
 936         .gpio_cs        = GPIO14_MAGICIAN_TSC2046_CS,
 937 };
 938
 939 static struct pxa2xx_spi_controller magician_spi_info = {
 940         .num_chipselect = 1,
 941         .enable_dma     = 1,
 942 };
 943
 944 static struct spi_board_info ads7846_spi_board_info[] __initdata = {
 945         {
 946                 .modalias               = "ads7846",
 947                 .bus_num                = 2,
 948                 .max_speed_hz           = 2500000,
 949                 .platform_data          = &ads7846_pdata,
 950                 .controller_data        = &tsc2046_chip_info,
 951                 .irq = PXA_GPIO_TO_IRQ(GPIO115_MAGICIAN_nPEN_IRQ),
 952         },
 953 };
 954
 955 /*
 956  * Platform devices
 957  */
 958
 959 static struct platform_device *devices[] __initdata = {
 960         &gpio_keys,
 961         &egpio,
 962         &backlight,
 963         &pasic3,
 964         &bq24022,
 965         &gpio_vbus,
 966         &power_supply,
 967         &strataflash,
 968         &leds_gpio,
 969         &vads7846_device,
 970 };
 971
 972 static struct gpio magician_global_gpios[] = {
 973         { GPIO13_MAGICIAN_CPLD_IRQ, GPIOF_IN, "CPLD_IRQ" },
 974         { GPIO107_MAGICIAN_DS1WM_IRQ, GPIOF_IN, "DS1WM_IRQ" },
 975
 976         /* NOTICE valid LCD init sequence */
 977         { GPIO106_MAGICIAN_LCD_DCDC_NRESET, GPIOF_OUT_INIT_LOW, "LCD DCDC nreset" },
 978         { GPIO104_MAGICIAN_LCD_VOFF_EN, GPIOF_OUT_INIT_LOW, "LCD VOFF enable" },
 979         { GPIO105_MAGICIAN_LCD_VON_EN, GPIOF_OUT_INIT_LOW, "LCD VON enable" },
 980 };
 981
 982 static void __init magician_init(void)
 983 {
 984         void __iomem *cpld;
 985         int lcd_select;
 986         int err;
 987
 988         pxa2xx_mfp_config(ARRAY_AND_SIZE(magician_pin_config));
 989         err = gpio_request_array(ARRAY_AND_SIZE(magician_global_gpios));
 990         if (err)
 991                 pr_err("magician: Failed to request global GPIOs: %d\n", err);
 992
 993         pxa_set_ffuart_info(NULL);
 994         pxa_set_btuart_info(NULL);
 995
 996         pwm_add_table(magician_pwm_lookup, ARRAY_SIZE(magician_pwm_lookup));
 997
 998         pxa_set_ficp_info(&magician_ficp_info);
 999         pxa27x_set_i2c_power_info(&magician_i2c_power_info);
1000         pxa_set_i2c_info(&i2c_info);
1001
1002         i2c_register_board_info(1,
1003                 ARRAY_AND_SIZE(magician_pwr_i2c_board_info));
1004
1005         gpiod_add_lookup_table(&magician_mci_gpio_table);
1006         pxa_set_mci_info(&magician_mci_info);
1007         pxa_set_ohci_info(&magician_ohci_info);
1008         pxa_set_udc_info(&magician_udc_info);
1009
1010         /* Check LCD type we have */
1011         cpld = ioremap_nocache(PXA_CS3_PHYS, 0x1000);
1012         if (cpld) {
1013                 u8 board_id = __raw_readb(cpld + 0x14);
1014
1015                 iounmap(cpld);
1016                 system_rev = board_id & 0x7;
1017                 lcd_select = board_id & 0x8;
1018                 pr_info("LCD type: %s\n", lcd_select ? "Samsung" : "Toppoly");
1019                 if (lcd_select && (system_rev < 3))
1020                         /* NOTICE valid LCD init sequence */
1021                         gpio_request_one(GPIO75_MAGICIAN_SAMSUNG_POWER,
1022                                 GPIOF_OUT_INIT_LOW, "Samsung LCD Power");
1023                 pxa_set_fb_info(NULL,
1024                         lcd_select ? &samsung_info : &toppoly_info);
1025         } else
1026                 pr_err("LCD detection: CPLD mapping failed\n");
1027
1028         pxa2xx_set_spi_info(2, &magician_spi_info);
1029         spi_register_board_info(ARRAY_AND_SIZE(ads7846_spi_board_info));
1030
1031         regulator_register_always_on(0, "power", pwm_backlight_supply,
1032                 ARRAY_SIZE(pwm_backlight_supply), 5000000);
1033
1034         gpiod_add_lookup_table(&bq24022_gpiod_table);
1035         platform_add_devices(ARRAY_AND_SIZE(devices));
1036 }
1037
1038 MACHINE_START(MAGICIAN, "HTC Magician")
1039         .atag_offset    = 0x100,
1040         .map_io         = pxa27x_map_io,
1041         .nr_irqs        = MAGICIAN_NR_IRQS,
1042         .init_irq       = pxa27x_init_irq,
1043         .handle_irq     = pxa27x_handle_irq,
1044         .init_machine   = magician_init,
1045         .init_time      = pxa_timer_init,
1046         .restart        = pxa_restart,
1047 MACHINE_END