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/platform_data/i2c-pxa.h>
  31
  32 #include <mach/hardware.h>
  33 #include <asm/mach-types.h>
  34 #include <asm/mach/arch.h>
  35 #include <asm/system_info.h>
  36
  37 #include "pxa27x.h"
  38 #include <mach/magician.h>
  39 #include <linux/platform_data/video-pxafb.h>
  40 #include <linux/platform_data/mmc-pxamci.h>
  41 #include <linux/platform_data/irda-pxaficp.h>
  42 #include <linux/platform_data/usb-ohci-pxa27x.h>
  43
  44 #include <linux/regulator/max1586.h>
  45
  46 #include <linux/platform_data/pxa2xx_udc.h>
  47
  48 #include "udc.h"
  49 #include "pxa27x-udc.h"
  50 #include "devices.h"
  51 #include "generic.h"
  52
  53 #include <linux/spi/spi.h>
  54 #include <linux/spi/pxa2xx_spi.h>
  55 #include <linux/spi/ads7846.h>
  56
  57 static unsigned long magician_pin_config[] __initdata = {
  58
  59         /* SDRAM and Static Memory I/O Signals */
  60         GPIO20_nSDCS_2,
  61         GPIO21_nSDCS_3,
  62         GPIO15_nCS_1,
  63         GPIO78_nCS_2,   /* PASIC3 */
  64         GPIO79_nCS_3,   /* EGPIO CPLD */
  65         GPIO80_nCS_4,
  66         GPIO33_nCS_5,
  67
  68         /* I2C UDA1380 + OV9640 */
  69         GPIO117_I2C_SCL,
  70         GPIO118_I2C_SDA,
  71
  72         /* PWM 0 - LCD backlight */
  73         GPIO16_PWM0_OUT,
  74
  75         /* I2S UDA1380 capture */
  76         GPIO28_I2S_BITCLK_OUT,
  77         GPIO29_I2S_SDATA_IN,
  78         GPIO31_I2S_SYNC,
  79         GPIO113_I2S_SYSCLK,
  80
  81         /* SSP 1 UDA1380 playback */
  82         GPIO23_SSP1_SCLK,
  83         GPIO24_SSP1_SFRM,
  84         GPIO25_SSP1_TXD,
  85
  86         /* SSP 2 TSC2046 touchscreen */
  87         GPIO19_SSP2_SCLK,
  88         MFP_CFG_OUT(GPIO14, AF0, DRIVE_HIGH),   /* frame as GPIO */
  89         GPIO89_SSP2_TXD,
  90         GPIO88_SSP2_RXD,
  91
  92         /* MMC/SD/SDHC slot */
  93         GPIO32_MMC_CLK,
  94         GPIO92_MMC_DAT_0,
  95         GPIO109_MMC_DAT_1,
  96         GPIO110_MMC_DAT_2,
  97         GPIO111_MMC_DAT_3,
  98         GPIO112_MMC_CMD,
  99
 100         /* LCD */
 101         GPIOxx_LCD_TFT_16BPP,
 102
 103         /* QCI camera interface */
 104         GPIO12_CIF_DD_7,
 105         GPIO17_CIF_DD_6,
 106         GPIO50_CIF_DD_3,
 107         GPIO51_CIF_DD_2,
 108         GPIO52_CIF_DD_4,
 109         GPIO53_CIF_MCLK,
 110         GPIO54_CIF_PCLK,
 111         GPIO55_CIF_DD_1,
 112         GPIO81_CIF_DD_0,
 113         GPIO82_CIF_DD_5,
 114         GPIO84_CIF_FV,
 115         GPIO85_CIF_LV,
 116
 117         /* Magician specific input GPIOs */
 118         GPIO9_GPIO,     /* unknown */
 119         GPIO10_GPIO,    /* GSM_IRQ */
 120         GPIO13_GPIO,    /* CPLD_IRQ */
 121         GPIO107_GPIO,   /* DS1WM_IRQ */
 122         GPIO108_GPIO,   /* GSM_READY */
 123         GPIO115_GPIO,   /* nPEN_IRQ */
 124 };
 125
 126 /*
 127  * IrDA
 128  */
 129
 130 static struct pxaficp_platform_data magician_ficp_info = {
 131         .gpio_pwdown            = GPIO83_MAGICIAN_nIR_EN,
 132         .transceiver_cap        = IR_SIRMODE | IR_OFF,
 133         .gpio_pwdown_inverted   = 0,
 134 };
 135
 136 /*
 137  * GPIO Keys
 138  */
 139
 140 #define INIT_KEY(_code, _gpio, _desc)   \
 141         {                               \
 142                 .code   = KEY_##_code,  \
 143                 .gpio   = _gpio,        \
 144                 .desc   = _desc,        \
 145                 .type   = EV_KEY,       \
 146                 .wakeup = 1,            \
 147         }
 148
 149 static struct gpio_keys_button magician_button_table[] = {
 150         INIT_KEY(POWER,      GPIO0_MAGICIAN_KEY_POWER,      "Power button"),
 151         INIT_KEY(ESC,        GPIO37_MAGICIAN_KEY_HANGUP,    "Hangup button"),
 152         INIT_KEY(F10,        GPIO38_MAGICIAN_KEY_CONTACTS,  "Contacts button"),
 153         INIT_KEY(CALENDAR,   GPIO90_MAGICIAN_KEY_CALENDAR,  "Calendar button"),
 154         INIT_KEY(CAMERA,     GPIO91_MAGICIAN_KEY_CAMERA,    "Camera button"),
 155         INIT_KEY(UP,         GPIO93_MAGICIAN_KEY_UP,        "Up button"),
 156         INIT_KEY(DOWN,       GPIO94_MAGICIAN_KEY_DOWN,      "Down button"),
 157         INIT_KEY(LEFT,       GPIO95_MAGICIAN_KEY_LEFT,      "Left button"),
 158         INIT_KEY(RIGHT,      GPIO96_MAGICIAN_KEY_RIGHT,     "Right button"),
 159         INIT_KEY(KPENTER,    GPIO97_MAGICIAN_KEY_ENTER,     "Action button"),
 160         INIT_KEY(RECORD,     GPIO98_MAGICIAN_KEY_RECORD,    "Record button"),
 161         INIT_KEY(VOLUMEUP,   GPIO100_MAGICIAN_KEY_VOL_UP,   "Volume up"),
 162         INIT_KEY(VOLUMEDOWN, GPIO101_MAGICIAN_KEY_VOL_DOWN, "Volume down"),
 163         INIT_KEY(PHONE,      GPIO102_MAGICIAN_KEY_PHONE,    "Phone button"),
 164         INIT_KEY(PLAY,       GPIO99_MAGICIAN_HEADPHONE_IN,  "Headset button"),
 165 };
 166
 167 static struct gpio_keys_platform_data gpio_keys_data = {
 168         .buttons        = magician_button_table,
 169         .nbuttons       = ARRAY_SIZE(magician_button_table),
 170 };
 171
 172 static struct platform_device gpio_keys = {
 173         .name   = "gpio-keys",
 174         .dev    = {
 175                 .platform_data = &gpio_keys_data,
 176         },
 177         .id     = -1,
 178 };
 179
 180 /*
 181  * EGPIO (Xilinx CPLD)
 182  *
 183  * 32-bit aligned 8-bit registers
 184  * 16 possible registers (reg windows size), only 7 used:
 185  * 3x output, 1x irq, 3x input
 186  */
 187
 188 static struct resource egpio_resources[] = {
 189         [0] = {
 190                 .start  = PXA_CS3_PHYS,
 191                 .end    = PXA_CS3_PHYS + 0x20 - 1,
 192                 .flags  = IORESOURCE_MEM,
 193         },
 194         [1] = {
 195                 .start  = PXA_GPIO_TO_IRQ(GPIO13_MAGICIAN_CPLD_IRQ),
 196                 .end    = PXA_GPIO_TO_IRQ(GPIO13_MAGICIAN_CPLD_IRQ),
 197                 .flags  = IORESOURCE_IRQ,
 198         },
 199 };
 200
 201 static struct htc_egpio_chip egpio_chips[] = {
 202         [0] = {
 203                 .reg_start      = 0,
 204                 .gpio_base      = MAGICIAN_EGPIO(0, 0),
 205                 .num_gpios      = 24,
 206                 .direction      = HTC_EGPIO_OUTPUT,
 207                 /*
 208                  * Depends on modules configuration
 209                  */
 210                 .initial_values = 0x40, /* EGPIO_MAGICIAN_GSM_RESET */
 211         },
 212         [1] = {
 213                 .reg_start      = 4,
 214                 .gpio_base      = MAGICIAN_EGPIO(4, 0),
 215                 .num_gpios      = 24,
 216                 .direction      = HTC_EGPIO_INPUT,
 217         },
 218 };
 219
 220 static struct htc_egpio_platform_data egpio_info = {
 221         .reg_width      = 8,
 222         .bus_width      = 32,
 223         .irq_base       = IRQ_BOARD_START,
 224         .num_irqs       = 4,
 225         .ack_register   = 3,
 226         .chip           = egpio_chips,
 227         .num_chips      = ARRAY_SIZE(egpio_chips),
 228 };
 229
 230 static struct platform_device egpio = {
 231         .name           = "htc-egpio",
 232         .id             = -1,
 233         .resource       = egpio_resources,
 234         .num_resources  = ARRAY_SIZE(egpio_resources),
 235         .dev = {
 236                 .platform_data = &egpio_info,
 237         },
 238 };
 239
 240 /*
 241  * PXAFB LCD - Toppoly TD028STEB1 or Samsung LTP280QV
 242  */
 243
 244 static struct pxafb_mode_info toppoly_modes[] = {
 245         {
 246                 .pixclock       = 96153,
 247                 .bpp            = 16,
 248                 .xres           = 240,
 249                 .yres           = 320,
 250                 .hsync_len      = 11,
 251                 .vsync_len      = 3,
 252                 .left_margin    = 19,
 253                 .upper_margin   = 2,
 254                 .right_margin   = 10,
 255                 .lower_margin   = 2,
 256                 .sync           = 0,
 257         },
 258 };
 259
 260 static struct pxafb_mode_info samsung_modes[] = {
 261         {
 262                 .pixclock       = 226469,
 263                 .bpp            = 16,
 264                 .xres           = 240,
 265                 .yres           = 320,
 266                 .hsync_len      = 8,
 267                 .vsync_len      = 4,
 268                 .left_margin    = 9,
 269                 .upper_margin   = 4,
 270                 .right_margin   = 9,
 271                 .lower_margin   = 4,
 272                 .sync   = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 273         },
 274 };
 275
 276 static void toppoly_lcd_power(int on, struct fb_var_screeninfo *si)
 277 {
 278         pr_debug("Toppoly LCD power: %s\n", on ? "on" : "off");
 279
 280         if (on) {
 281                 gpio_set_value(EGPIO_MAGICIAN_TOPPOLY_POWER, 1);
 282                 gpio_set_value(GPIO106_MAGICIAN_LCD_DCDC_NRESET, 1);
 283                 udelay(2000);
 284                 gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 1);
 285                 udelay(2000);
 286                 /* FIXME: enable LCDC here */
 287                 udelay(2000);
 288                 gpio_set_value(GPIO104_MAGICIAN_LCD_VOFF_EN, 1);
 289                 udelay(2000);
 290                 gpio_set_value(GPIO105_MAGICIAN_LCD_VON_EN, 1);
 291         } else {
 292                 msleep(15);
 293                 gpio_set_value(GPIO105_MAGICIAN_LCD_VON_EN, 0);
 294                 udelay(500);
 295                 gpio_set_value(GPIO104_MAGICIAN_LCD_VOFF_EN, 0);
 296                 udelay(1000);
 297                 gpio_set_value(GPIO106_MAGICIAN_LCD_DCDC_NRESET, 0);
 298                 gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 0);
 299         }
 300 }
 301
 302 static void samsung_lcd_power(int on, struct fb_var_screeninfo *si)
 303 {
 304         pr_debug("Samsung LCD power: %s\n", on ? "on" : "off");
 305
 306         if (on) {
 307                 if (system_rev < 3)
 308                         gpio_set_value(GPIO75_MAGICIAN_SAMSUNG_POWER, 1);
 309                 else
 310                         gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 1);
 311                 mdelay(6);
 312                 gpio_set_value(GPIO106_MAGICIAN_LCD_DCDC_NRESET, 1);
 313                 mdelay(6);      /* Avdd -> Voff >5ms */
 314                 gpio_set_value(GPIO104_MAGICIAN_LCD_VOFF_EN, 1);
 315                 mdelay(16);     /* Voff -> Von >(5+10)ms */
 316                 gpio_set_value(GPIO105_MAGICIAN_LCD_VON_EN, 1);
 317         } else {
 318                 gpio_set_value(GPIO105_MAGICIAN_LCD_VON_EN, 0);
 319                 mdelay(16);
 320                 gpio_set_value(GPIO104_MAGICIAN_LCD_VOFF_EN, 0);
 321                 mdelay(6);
 322                 gpio_set_value(GPIO106_MAGICIAN_LCD_DCDC_NRESET, 0);
 323                 mdelay(6);
 324                 if (system_rev < 3)
 325                         gpio_set_value(GPIO75_MAGICIAN_SAMSUNG_POWER, 0);
 326                 else
 327                         gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 0);
 328         }
 329 }
 330
 331 static struct pxafb_mach_info toppoly_info = {
 332         .modes                  = toppoly_modes,
 333         .num_modes              = 1,
 334         .fixed_modes            = 1,
 335         .lcd_conn               = LCD_COLOR_TFT_16BPP,
 336         .pxafb_lcd_power        = toppoly_lcd_power,
 337 };
 338
 339 static struct pxafb_mach_info samsung_info = {
 340         .modes                  = samsung_modes,
 341         .num_modes              = 1,
 342         .fixed_modes            = 1,
 343         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL |
 344                 LCD_ALTERNATE_MAPPING,
 345         .pxafb_lcd_power        = samsung_lcd_power,
 346 };
 347
 348 /*
 349  * Backlight
 350  */
 351
 352 static struct pwm_lookup magician_pwm_lookup[] = {
 353         PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight", NULL, 30923,
 354                    PWM_POLARITY_NORMAL),
 355 };
 356
 357  /*
 358  * fixed regulator for pwm_backlight
 359  */
 360
 361 static struct regulator_consumer_supply pwm_backlight_supply[] = {
 362         REGULATOR_SUPPLY("power", "pwm_backlight"),
 363 };
 364
 365
 366 static struct gpio magician_bl_gpios[] = {
 367         { EGPIO_MAGICIAN_BL_POWER,      GPIOF_DIR_OUT, "Backlight power" },
 368         { EGPIO_MAGICIAN_BL_POWER2,     GPIOF_DIR_OUT, "Backlight power 2" },
 369 };
 370
 371 static int magician_backlight_init(struct device *dev)
 372 {
 373         return gpio_request_array(ARRAY_AND_SIZE(magician_bl_gpios));
 374 }
 375
 376 static int magician_backlight_notify(struct device *dev, int brightness)
 377 {
 378         pr_debug("Brightness = %i\n", brightness);
 379         gpio_set_value(EGPIO_MAGICIAN_BL_POWER, brightness);
 380         if (brightness >= 200) {
 381                 gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 1);
 382                 return brightness - 72;
 383         } else {
 384                 gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 0);
 385                 return brightness;
 386         }
 387 }
 388
 389 static void magician_backlight_exit(struct device *dev)
 390 {
 391         gpio_free_array(ARRAY_AND_SIZE(magician_bl_gpios));
 392 }
 393
 394 /*
 395  * LCD PWM backlight (main)
 396  *
 397  * MP1521 frequency should be:
 398  *      100-400 Hz = 2 .5*10^6 - 10 *10^6 ns
 399  */
 400
 401 static struct platform_pwm_backlight_data backlight_data = {
 402         .max_brightness = 272,
 403         .dft_brightness = 100,
 404         .init           = magician_backlight_init,
 405         .notify         = magician_backlight_notify,
 406         .exit           = magician_backlight_exit,
 407 };
 408
 409 static struct platform_device backlight = {
 410         .name   = "pwm-backlight",
 411         .id     = -1,
 412         .dev    = {
 413                 .parent         = &pxa27x_device_pwm0.dev,
 414                 .platform_data  = &backlight_data,
 415         },
 416 };
 417
 418 /*
 419  * GPIO LEDs, Phone keys backlight, vibra
 420  */
 421
 422 static struct gpio_led gpio_leds[] = {
 423         {
 424                 .name = "magician::vibra",
 425                 .default_trigger = "none",
 426                 .gpio = GPIO22_MAGICIAN_VIBRA_EN,
 427         },
 428         {
 429                 .name = "magician::phone_bl",
 430                 .default_trigger = "backlight",
 431                 .gpio = GPIO103_MAGICIAN_LED_KP,
 432         },
 433 };
 434
 435 static struct gpio_led_platform_data gpio_led_info = {
 436         .leds = gpio_leds,
 437         .num_leds = ARRAY_SIZE(gpio_leds),
 438 };
 439
 440 static struct platform_device leds_gpio = {
 441         .name   = "leds-gpio",
 442         .id     = -1,
 443         .dev    = {
 444                 .platform_data = &gpio_led_info,
 445         },
 446 };
 447
 448 /*
 449  * PASIC3 with DS1WM
 450  */
 451
 452 static struct resource pasic3_resources[] = {
 453         [0] = {
 454                 .start  = PXA_CS2_PHYS,
 455                 .end    = PXA_CS2_PHYS + 0x1b,
 456                 .flags  = IORESOURCE_MEM,
 457         },
 458         /* No IRQ handler in the PASIC3, DS1WM needs an external IRQ */
 459         [1] = {
 460                 .start  = PXA_GPIO_TO_IRQ(GPIO107_MAGICIAN_DS1WM_IRQ),
 461                 .end    = PXA_GPIO_TO_IRQ(GPIO107_MAGICIAN_DS1WM_IRQ),
 462                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 463         }
 464 };
 465
 466 static struct pasic3_platform_data pasic3_platform_data = {
 467         .clock_rate = 4000000,
 468 };
 469
 470 static struct platform_device pasic3 = {
 471         .name           = "pasic3",
 472         .id             = -1,
 473         .num_resources  = ARRAY_SIZE(pasic3_resources),
 474         .resource       = pasic3_resources,
 475         .dev = {
 476                 .platform_data = &pasic3_platform_data,
 477         },
 478 };
 479
 480 /*
 481  * PXA UDC
 482  */
 483
 484 static void magician_udc_command(int cmd)
 485 {
 486         if (cmd == PXA2XX_UDC_CMD_CONNECT)
 487                 UP2OCR |= UP2OCR_DPPUE | UP2OCR_DPPUBE;
 488         else if (cmd == PXA2XX_UDC_CMD_DISCONNECT)
 489                 UP2OCR &= ~(UP2OCR_DPPUE | UP2OCR_DPPUBE);
 490 }
 491
 492 static struct pxa2xx_udc_mach_info magician_udc_info __initdata = {
 493         .udc_command    = magician_udc_command,
 494         .gpio_pullup    = GPIO27_MAGICIAN_USBC_PUEN,
 495 };
 496
 497 /*
 498  * USB device VBus detection
 499  */
 500
 501 static struct resource gpio_vbus_resource = {
 502         .flags  = IORESOURCE_IRQ,
 503         .start  = IRQ_MAGICIAN_VBUS,
 504         .end    = IRQ_MAGICIAN_VBUS,
 505 };
 506
 507 static struct gpiod_lookup_table gpio_vbus_gpiod_table = {
 508         .dev_id = "gpio-vbus",
 509         .table = {
 510                 /*
 511                  * EGPIO on register 4 index 1, the second EGPIO chip
 512                  * starts at register 4 so this will be at index 1 on that
 513                  * chip.
 514                  */
 515                 GPIO_LOOKUP("htc-egpio-1", 1,
 516                             "vbus", GPIO_ACTIVE_HIGH),
 517                 GPIO_LOOKUP("gpio-pxa", GPIO27_MAGICIAN_USBC_PUEN,
 518                             "pullup", GPIO_ACTIVE_HIGH),
 519                 { },
 520         },
 521 };
 522
 523 static struct platform_device gpio_vbus = {
 524         .name           = "gpio-vbus",
 525         .id             = -1,
 526         .num_resources  = 1,
 527         .resource       = &gpio_vbus_resource,
 528 };
 529
 530 /*
 531  * External power
 532  */
 533
 534 static int magician_supply_init(struct device *dev)
 535 {
 536         int ret = -1;
 537
 538         ret = gpio_request(EGPIO_MAGICIAN_CABLE_TYPE, "Cable is AC charger");
 539         if (ret) {
 540                 pr_err("Cannot request AC/USB charger GPIO (%i)\n", ret);
 541                 goto err_ac;
 542         }
 543
 544         ret = gpio_request(EGPIO_MAGICIAN_CABLE_INSERTED, "Cable inserted");
 545         if (ret) {
 546                 pr_err("Cannot request cable detection GPIO (%i)\n", ret);
 547                 goto err_usb;
 548         }
 549
 550         return 0;
 551
 552 err_usb:
 553         gpio_free(EGPIO_MAGICIAN_CABLE_TYPE);
 554 err_ac:
 555         return ret;
 556 }
 557
 558 static void magician_set_charge(int flags)
 559 {
 560         if (flags & PDA_POWER_CHARGE_AC) {
 561                 pr_debug("Charging from AC\n");
 562                 gpio_set_value(EGPIO_MAGICIAN_NICD_CHARGE, 1);
 563         } else if (flags & PDA_POWER_CHARGE_USB) {
 564                 pr_debug("Charging from USB\n");
 565                 gpio_set_value(EGPIO_MAGICIAN_NICD_CHARGE, 1);
 566         } else {
 567                 pr_debug("Charging disabled\n");
 568                 gpio_set_value(EGPIO_MAGICIAN_NICD_CHARGE, 0);
 569         }
 570 }
 571
 572 static int magician_is_ac_online(void)
 573 {
 574         return gpio_get_value(EGPIO_MAGICIAN_CABLE_INSERTED) &&
 575                 gpio_get_value(EGPIO_MAGICIAN_CABLE_TYPE); /* AC=1 */
 576 }
 577
 578 static int magician_is_usb_online(void)
 579 {
 580         return gpio_get_value(EGPIO_MAGICIAN_CABLE_INSERTED) &&
 581                 (!gpio_get_value(EGPIO_MAGICIAN_CABLE_TYPE)); /* USB=0 */
 582 }
 583
 584 static void magician_supply_exit(struct device *dev)
 585 {
 586         gpio_free(EGPIO_MAGICIAN_CABLE_INSERTED);
 587         gpio_free(EGPIO_MAGICIAN_CABLE_TYPE);
 588 }
 589
 590 static char *magician_supplicants[] = {
 591         "ds2760-battery.0", "backup-battery"
 592 };
 593
 594 static struct pda_power_pdata power_supply_info = {
 595         .init                   = magician_supply_init,
 596         .exit                   = magician_supply_exit,
 597         .is_ac_online           = magician_is_ac_online,
 598         .is_usb_online          = magician_is_usb_online,
 599         .set_charge             = magician_set_charge,
 600         .supplied_to            = magician_supplicants,
 601         .num_supplicants        = ARRAY_SIZE(magician_supplicants),
 602 };
 603
 604 static struct resource power_supply_resources[] = {
 605         [0] = {
 606                 .name   = "ac",
 607                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
 608                         IORESOURCE_IRQ_LOWEDGE,
 609                 .start  = IRQ_MAGICIAN_VBUS,
 610                 .end    = IRQ_MAGICIAN_VBUS,
 611         },
 612         [1] = {
 613                 .name   = "usb",
 614                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
 615                         IORESOURCE_IRQ_LOWEDGE,
 616                 .start  = IRQ_MAGICIAN_VBUS,
 617                 .end    = IRQ_MAGICIAN_VBUS,
 618         },
 619 };
 620
 621 static struct platform_device power_supply = {
 622         .name   = "pda-power",
 623         .id     = -1,
 624         .dev = {
 625                 .platform_data = &power_supply_info,
 626         },
 627         .resource       = power_supply_resources,
 628         .num_resources  = ARRAY_SIZE(power_supply_resources),
 629 };
 630
 631 /*
 632  * Battery charger
 633  */
 634
 635 static struct regulator_consumer_supply bq24022_consumers[] = {
 636         REGULATOR_SUPPLY("vbus_draw", NULL),
 637         REGULATOR_SUPPLY("ac_draw", NULL),
 638 };
 639
 640 static struct regulator_init_data bq24022_init_data = {
 641         .constraints = {
 642                 .max_uA         = 500000,
 643                 .valid_ops_mask = REGULATOR_CHANGE_CURRENT |
 644                         REGULATOR_CHANGE_STATUS,
 645         },
 646         .num_consumer_supplies  = ARRAY_SIZE(bq24022_consumers),
 647         .consumer_supplies      = bq24022_consumers,
 648 };
 649
 650
 651 static enum gpiod_flags bq24022_gpiod_gflags[] = { GPIOD_OUT_LOW };
 652
 653 static struct gpio_regulator_state bq24022_states[] = {
 654         { .value = 100000, .gpios = (0 << 0) },
 655         { .value = 500000, .gpios = (1 << 0) },
 656 };
 657
 658 static struct gpio_regulator_config bq24022_info = {
 659         .supply_name            = "bq24022",
 660
 661         .enabled_at_boot        = 1,
 662
 663         .gflags = bq24022_gpiod_gflags,
 664         .ngpios = ARRAY_SIZE(bq24022_gpiod_gflags),
 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
 673 static struct platform_device bq24022 = {
 674         .name   = "gpio-regulator",
 675         .id     = -1,
 676         .dev    = {
 677                 .platform_data = &bq24022_info,
 678         },
 679 };
 680
 681 static struct gpiod_lookup_table bq24022_gpiod_table = {
 682         .dev_id = "gpio-regulator",
 683         .table = {
 684                 GPIO_LOOKUP("gpio-pxa", EGPIO_MAGICIAN_BQ24022_ISET2,
 685                             NULL, GPIO_ACTIVE_HIGH),
 686                 GPIO_LOOKUP("gpio-pxa", GPIO30_MAGICIAN_BQ24022_nCHARGE_EN,
 687                             "enable", GPIO_ACTIVE_LOW),
 688                 { },
 689         },
 690 };
 691
 692 /*
 693  * fixed regulator for ads7846
 694  */
 695
 696 static struct regulator_consumer_supply ads7846_supply =
 697         REGULATOR_SUPPLY("vcc", "spi2.0");
 698
 699 static struct regulator_init_data vads7846_regulator = {
 700         .constraints    = {
 701                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 702         },
 703         .num_consumer_supplies  = 1,
 704         .consumer_supplies      = &ads7846_supply,
 705 };
 706
 707 static struct fixed_voltage_config vads7846 = {
 708         .supply_name    = "vads7846",
 709         .microvolts     = 3300000, /* probably */
 710         .startup_delay  = 0,
 711         .init_data      = &vads7846_regulator,
 712 };
 713
 714 static struct platform_device vads7846_device = {
 715         .name   = "reg-fixed-voltage",
 716         .id     = -1,
 717         .dev    = {
 718                 .platform_data  = &vads7846,
 719         },
 720 };
 721
 722 /*
 723  * Vcore regulator MAX1587A
 724  */
 725
 726 static struct regulator_consumer_supply magician_max1587a_consumers[] = {
 727         REGULATOR_SUPPLY("vcc_core", NULL),
 728 };
 729
 730 static struct regulator_init_data magician_max1587a_v3_info = {
 731         .constraints = {
 732                 .name           = "vcc_core range",
 733                 .min_uV         = 700000,
 734                 .max_uV         = 1475000,
 735                 .always_on      = 1,
 736                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 737         },
 738         .consumer_supplies      = magician_max1587a_consumers,
 739         .num_consumer_supplies  = ARRAY_SIZE(magician_max1587a_consumers),
 740 };
 741
 742 static struct max1586_subdev_data magician_max1587a_subdevs[] = {
 743         {
 744                 .name           = "vcc_core",
 745                 .id             = MAX1586_V3,
 746                 .platform_data  = &magician_max1587a_v3_info,
 747         }
 748 };
 749
 750 static struct max1586_platform_data magician_max1587a_info = {
 751         .subdevs     = magician_max1587a_subdevs,
 752         .num_subdevs = ARRAY_SIZE(magician_max1587a_subdevs),
 753         /*
 754          * NOTICE measured directly on the PCB (board_id == 0x3a), but
 755          * if R24 is present, it will boost the voltage
 756          * (write 1.475V, get 1.645V and smoke)
 757          */
 758         .v3_gain     = MAX1586_GAIN_NO_R24,
 759 };
 760
 761 static struct i2c_board_info magician_pwr_i2c_board_info[] __initdata = {
 762         {
 763                 I2C_BOARD_INFO("max1586", 0x14),
 764                 .platform_data  = &magician_max1587a_info,
 765         },
 766 };
 767
 768 /*
 769  * MMC/SD
 770  */
 771
 772 static int magician_mci_init(struct device *dev,
 773         irq_handler_t detect_irq, void *data)
 774 {
 775         return request_irq(IRQ_MAGICIAN_SD, detect_irq, 0,
 776                 "mmc card detect", data);
 777 }
 778
 779 static void magician_mci_exit(struct device *dev, void *data)
 780 {
 781         free_irq(IRQ_MAGICIAN_SD, data);
 782 }
 783
 784 static struct pxamci_platform_data magician_mci_info = {
 785         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 786         .init                   = magician_mci_init,
 787         .exit                   = magician_mci_exit,
 788         .gpio_card_ro_invert    = 1,
 789 };
 790
 791 /*
 792  * Write protect on EGPIO register 5 index 4, this is on the second HTC
 793  * EGPIO chip which starts at register 4, so we need offset 8+4=12 on that
 794  * particular chip.
 795  */
 796 #define EGPIO_MAGICIAN_nSD_READONLY_OFFSET 12
 797 /*
 798  * Power on EGPIO register 2 index 0, so this is on the first HTC EGPIO chip
 799  * starting at register 0 so we need offset 2*8+0 = 16 on that chip.
 800  */
 801 #define EGPIO_MAGICIAN_nSD_POWER_OFFSET 16
 802
 803 static struct gpiod_lookup_table magician_mci_gpio_table = {
 804         .dev_id = "pxa2xx-mci.0",
 805         .table = {
 806                 GPIO_LOOKUP("htc-egpio-1", EGPIO_MAGICIAN_nSD_READONLY_OFFSET,
 807                             "wp", GPIO_ACTIVE_HIGH),
 808                 GPIO_LOOKUP("htc-egpio-0", EGPIO_MAGICIAN_nSD_POWER_OFFSET,
 809                             "power", GPIO_ACTIVE_HIGH),
 810                 { },
 811         },
 812 };
 813
 814 /*
 815  * USB OHCI
 816  */
 817
 818 static struct pxaohci_platform_data magician_ohci_info = {
 819         .port_mode      = PMM_PERPORT_MODE,
 820         /* port1: CSR Bluetooth, port2: OTG with UDC */
 821         .flags          = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW,
 822         .power_budget   = 0,
 823         .power_on_delay = 100,
 824 };
 825
 826 /*
 827  * StrataFlash
 828  */
 829
 830 static int magician_flash_init(struct platform_device *pdev)
 831 {
 832         int ret = gpio_request(EGPIO_MAGICIAN_FLASH_VPP, "flash Vpp enable");
 833
 834         if (ret) {
 835                 pr_err("Cannot request flash enable GPIO (%i)\n", ret);
 836                 return ret;
 837         }
 838
 839         ret = gpio_direction_output(EGPIO_MAGICIAN_FLASH_VPP, 1);
 840         if (ret) {
 841                 pr_err("Cannot set direction for flash enable (%i)\n", ret);
 842                 gpio_free(EGPIO_MAGICIAN_FLASH_VPP);
 843         }
 844
 845         return ret;
 846 }
 847
 848 static void magician_set_vpp(struct platform_device *pdev, int vpp)
 849 {
 850         gpio_set_value(EGPIO_MAGICIAN_FLASH_VPP, vpp);
 851 }
 852
 853 static void magician_flash_exit(struct platform_device *pdev)
 854 {
 855         gpio_free(EGPIO_MAGICIAN_FLASH_VPP);
 856 }
 857
 858 static struct resource strataflash_resource = {
 859         .start  = PXA_CS0_PHYS,
 860         .end    = PXA_CS0_PHYS + SZ_64M - 1,
 861         .flags  = IORESOURCE_MEM,
 862 };
 863
 864 static struct mtd_partition magician_flash_parts[] = {
 865         {
 866                 .name           = "Bootloader",
 867                 .offset         = 0x0,
 868                 .size           = 0x40000,
 869                 .mask_flags     = MTD_WRITEABLE, /* EXPERIMENTAL */
 870         },
 871         {
 872                 .name           = "Linux Kernel",
 873                 .offset         = 0x40000,
 874                 .size           = MTDPART_SIZ_FULL,
 875         },
 876 };
 877
 878 /*
 879  * physmap-flash driver
 880  */
 881
 882 static struct physmap_flash_data strataflash_data = {
 883         .width          = 4,
 884         .init           = magician_flash_init,
 885         .set_vpp        = magician_set_vpp,
 886         .exit           = magician_flash_exit,
 887         .parts          = magician_flash_parts,
 888         .nr_parts       = ARRAY_SIZE(magician_flash_parts),
 889 };
 890
 891 static struct platform_device strataflash = {
 892         .name           = "physmap-flash",
 893         .id             = -1,
 894         .resource       = &strataflash_resource,
 895         .num_resources  = 1,
 896         .dev = {
 897                 .platform_data = &strataflash_data,
 898         },
 899 };
 900
 901 /*
 902  * PXA I2C main controller
 903  */
 904
 905 static struct i2c_pxa_platform_data i2c_info = {
 906         /* OV9640 I2C device doesn't support fast mode */
 907         .fast_mode      = 0,
 908 };
 909
 910 /*
 911  * PXA I2C power controller
 912  */
 913
 914 static struct i2c_pxa_platform_data magician_i2c_power_info = {
 915         .fast_mode      = 1,
 916 };
 917
 918 /*
 919  * Touchscreen
 920  */
 921
 922 static struct ads7846_platform_data ads7846_pdata = {
 923         .model          = 7846,
 924         .x_plate_ohms   = 317,
 925         .y_plate_ohms   = 500,
 926         .pressure_max   = 1023, /* with x plate ohms it will overflow 255 */
 927         .debounce_max   = 3,    /* first readout is always bad */
 928         .debounce_tol   = 30,
 929         .debounce_rep   = 0,
 930         .gpio_pendown   = GPIO115_MAGICIAN_nPEN_IRQ,
 931         .keep_vref_on   = 1,
 932         .wakeup         = true,
 933         .vref_delay_usecs               = 100,
 934         .penirq_recheck_delay_usecs     = 100,
 935 };
 936
 937 struct pxa2xx_spi_chip tsc2046_chip_info = {
 938         .tx_threshold   = 1,
 939         .rx_threshold   = 2,
 940         .timeout        = 64,
 941         /* NOTICE must be GPIO, incompatibility with hw PXA SPI framing */
 942         .gpio_cs        = GPIO14_MAGICIAN_TSC2046_CS,
 943 };
 944
 945 static struct pxa2xx_spi_controller magician_spi_info = {
 946         .num_chipselect = 1,
 947         .enable_dma     = 1,
 948 };
 949
 950 static struct spi_board_info ads7846_spi_board_info[] __initdata = {
 951         {
 952                 .modalias               = "ads7846",
 953                 .bus_num                = 2,
 954                 .max_speed_hz           = 2500000,
 955                 .platform_data          = &ads7846_pdata,
 956                 .controller_data        = &tsc2046_chip_info,
 957                 .irq = PXA_GPIO_TO_IRQ(GPIO115_MAGICIAN_nPEN_IRQ),
 958         },
 959 };
 960
 961 /*
 962  * Platform devices
 963  */
 964
 965 static struct platform_device *devices[] __initdata = {
 966         &gpio_keys,
 967         &egpio,
 968         &backlight,
 969         &pasic3,
 970         &bq24022,
 971         &gpio_vbus,
 972         &power_supply,
 973         &strataflash,
 974         &leds_gpio,
 975         &vads7846_device,
 976 };
 977
 978 static struct gpio magician_global_gpios[] = {
 979         { GPIO13_MAGICIAN_CPLD_IRQ, GPIOF_IN, "CPLD_IRQ" },
 980         { GPIO107_MAGICIAN_DS1WM_IRQ, GPIOF_IN, "DS1WM_IRQ" },
 981
 982         /* NOTICE valid LCD init sequence */
 983         { GPIO106_MAGICIAN_LCD_DCDC_NRESET, GPIOF_OUT_INIT_LOW, "LCD DCDC nreset" },
 984         { GPIO104_MAGICIAN_LCD_VOFF_EN, GPIOF_OUT_INIT_LOW, "LCD VOFF enable" },
 985         { GPIO105_MAGICIAN_LCD_VON_EN, GPIOF_OUT_INIT_LOW, "LCD VON enable" },
 986 };
 987
 988 static void __init magician_init(void)
 989 {
 990         void __iomem *cpld;
 991         int lcd_select;
 992         int err;
 993
 994         pxa2xx_mfp_config(ARRAY_AND_SIZE(magician_pin_config));
 995         err = gpio_request_array(ARRAY_AND_SIZE(magician_global_gpios));
 996         if (err)
 997                 pr_err("magician: Failed to request global GPIOs: %d\n", err);
 998
 999         pxa_set_ffuart_info(NULL);
1000         pxa_set_btuart_info(NULL);
1001
1002         pwm_add_table(magician_pwm_lookup, ARRAY_SIZE(magician_pwm_lookup));
1003
1004         pxa_set_ficp_info(&magician_ficp_info);
1005         pxa27x_set_i2c_power_info(&magician_i2c_power_info);
1006         pxa_set_i2c_info(&i2c_info);
1007
1008         i2c_register_board_info(1,
1009                 ARRAY_AND_SIZE(magician_pwr_i2c_board_info));
1010
1011         gpiod_add_lookup_table(&magician_mci_gpio_table);
1012         pxa_set_mci_info(&magician_mci_info);
1013         pxa_set_ohci_info(&magician_ohci_info);
1014         pxa_set_udc_info(&magician_udc_info);
1015
1016         /* Check LCD type we have */
1017         cpld = ioremap(PXA_CS3_PHYS, 0x1000);
1018         if (cpld) {
1019                 u8 board_id = __raw_readb(cpld + 0x14);
1020
1021                 iounmap(cpld);
1022                 system_rev = board_id & 0x7;
1023                 lcd_select = board_id & 0x8;
1024                 pr_info("LCD type: %s\n", lcd_select ? "Samsung" : "Toppoly");
1025                 if (lcd_select && (system_rev < 3))
1026                         /* NOTICE valid LCD init sequence */
1027                         gpio_request_one(GPIO75_MAGICIAN_SAMSUNG_POWER,
1028                                 GPIOF_OUT_INIT_LOW, "Samsung LCD Power");
1029                 pxa_set_fb_info(NULL,
1030                         lcd_select ? &samsung_info : &toppoly_info);
1031         } else
1032                 pr_err("LCD detection: CPLD mapping failed\n");
1033
1034         pxa2xx_set_spi_info(2, &magician_spi_info);
1035         spi_register_board_info(ARRAY_AND_SIZE(ads7846_spi_board_info));
1036
1037         regulator_register_always_on(0, "power", pwm_backlight_supply,
1038                 ARRAY_SIZE(pwm_backlight_supply), 5000000);
1039
1040         gpiod_add_lookup_table(&bq24022_gpiod_table);
1041         gpiod_add_lookup_table(&gpio_vbus_gpiod_table);
1042         platform_add_devices(ARRAY_AND_SIZE(devices));
1043 }
1044
1045 MACHINE_START(MAGICIAN, "HTC Magician")
1046         .atag_offset    = 0x100,
1047         .map_io         = pxa27x_map_io,
1048         .nr_irqs        = MAGICIAN_NR_IRQS,
1049         .init_irq       = pxa27x_init_irq,
1050         .handle_irq     = pxa27x_handle_irq,
1051         .init_machine   = magician_init,
1052         .init_time      = pxa_timer_init,
1053         .restart        = pxa_restart,
1054 MACHINE_END