linux/arch/arm/mach-pxa/magician.c
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   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
  58static 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
 131static 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
 150static 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
 168static struct gpio_keys_platform_data gpio_keys_data = {
 169        .buttons        = magician_button_table,
 170        .nbuttons       = ARRAY_SIZE(magician_button_table),
 171};
 172
 173static 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
 189static 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
 202static 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
 221static 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
 231static 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
 245static 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
 261static 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
 277static 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
 303static 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
 332static 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
 340static 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
 353static 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
 362static struct regulator_consumer_supply pwm_backlight_supply[] = {
 363        REGULATOR_SUPPLY("power", "pwm_backlight"),
 364};
 365
 366
 367static 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
 372static int magician_backlight_init(struct device *dev)
 373{
 374        return gpio_request_array(ARRAY_AND_SIZE(magician_bl_gpios));
 375}
 376
 377static 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
 390static 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
 402static 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
 411static 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
 424static 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
 437static struct gpio_led_platform_data gpio_led_info = {
 438        .leds = gpio_leds,
 439        .num_leds = ARRAY_SIZE(gpio_leds),
 440};
 441
 442static 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
 454static 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
 468static struct pasic3_platform_data pasic3_platform_data = {
 469        .clock_rate = 4000000,
 470};
 471
 472static 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
 486static 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
 494static 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
 503static struct resource gpio_vbus_resource = {
 504        .flags  = IORESOURCE_IRQ,
 505        .start  = IRQ_MAGICIAN_VBUS,
 506        .end    = IRQ_MAGICIAN_VBUS,
 507};
 508
 509static struct gpio_vbus_mach_info gpio_vbus_info = {
 510        .gpio_pullup    = GPIO27_MAGICIAN_USBC_PUEN,
 511        .gpio_vbus      = EGPIO_MAGICIAN_CABLE_VBUS,
 512};
 513
 514static 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
 528static 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
 546err_usb:
 547        gpio_free(EGPIO_MAGICIAN_CABLE_TYPE);
 548err_ac:
 549        return ret;
 550}
 551
 552static 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
 566static 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
 572static 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
 578static void magician_supply_exit(struct device *dev)
 579{
 580        gpio_free(EGPIO_MAGICIAN_CABLE_INSERTED);
 581        gpio_free(EGPIO_MAGICIAN_CABLE_TYPE);
 582}
 583
 584static char *magician_supplicants[] = {
 585        "ds2760-battery.0", "backup-battery"
 586};
 587
 588static 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
 598static 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
 615static 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
 629static struct regulator_consumer_supply bq24022_consumers[] = {
 630        REGULATOR_SUPPLY("vbus_draw", NULL),
 631        REGULATOR_SUPPLY("ac_draw", NULL),
 632};
 633
 634static 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
 645static enum gpiod_flags bq24022_gpiod_gflags[] = { GPIOD_OUT_LOW };
 646
 647static struct gpio_regulator_state bq24022_states[] = {
 648        { .value = 100000, .gpios = (0 << 0) },
 649        { .value = 500000, .gpios = (1 << 0) },
 650};
 651
 652static 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
 667static struct platform_device bq24022 = {
 668        .name   = "gpio-regulator",
 669        .id     = -1,
 670        .dev    = {
 671                .platform_data = &bq24022_info,
 672        },
 673};
 674
 675static 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
 690static struct regulator_consumer_supply ads7846_supply =
 691        REGULATOR_SUPPLY("vcc", "spi2.0");
 692
 693static 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
 701static struct fixed_voltage_config vads7846 = {
 702        .supply_name    = "vads7846",
 703        .microvolts     = 3300000, /* probably */
 704        .startup_delay  = 0,
 705        .init_data      = &vads7846_regulator,
 706};
 707
 708static 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
 720static struct regulator_consumer_supply magician_max1587a_consumers[] = {
 721        REGULATOR_SUPPLY("vcc_core", NULL),
 722};
 723
 724static 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
 736static 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
 744static 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
 755static 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
 766static 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
 773static void magician_mci_exit(struct device *dev, void *data)
 774{
 775        free_irq(IRQ_MAGICIAN_SD, data);
 776}
 777
 778static 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
 797static 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
 812static 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
 824static 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
 842static void magician_set_vpp(struct platform_device *pdev, int vpp)
 843{
 844        gpio_set_value(EGPIO_MAGICIAN_FLASH_VPP, vpp);
 845}
 846
 847static void magician_flash_exit(struct platform_device *pdev)
 848{
 849        gpio_free(EGPIO_MAGICIAN_FLASH_VPP);
 850}
 851
 852static struct resource strataflash_resource = {
 853        .start  = PXA_CS0_PHYS,
 854        .end    = PXA_CS0_PHYS + SZ_64M - 1,
 855        .flags  = IORESOURCE_MEM,
 856};
 857
 858static 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
 876static 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
 885static 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
 899static 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
 908static struct i2c_pxa_platform_data magician_i2c_power_info = {
 909        .fast_mode      = 1,
 910};
 911
 912/*
 913 * Touchscreen
 914 */
 915
 916static 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
 931struct 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
 939static struct pxa2xx_spi_controller magician_spi_info = {
 940        .num_chipselect = 1,
 941        .enable_dma     = 1,
 942};
 943
 944static 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
 959static 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
 972static 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
 982static 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
1038MACHINE_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,
1047MACHINE_END
1048