linux/arch/arm/mach-pxa/spitz.c
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   1/*
   2 * Support for Sharp SL-Cxx00 Series of PDAs
   3 * Models: SL-C3000 (Spitz), SL-C1000 (Akita) and SL-C3100 (Borzoi)
   4 *
   5 * Copyright (c) 2005 Richard Purdie
   6 *
   7 * Based on Sharp's 2.4 kernel patches/lubbock.c
   8 *
   9 * This program is free software; you can redistribute it and/or modify
  10 * it under the terms of the GNU General Public License version 2 as
  11 * published by the Free Software Foundation.
  12 *
  13 */
  14
  15#include <linux/kernel.h>
  16#include <linux/platform_device.h>
  17#include <linux/delay.h>
  18#include <linux/gpio_keys.h>
  19#include <linux/gpio.h>
  20#include <linux/leds.h>
  21#include <linux/i2c.h>
  22#include <linux/i2c/pxa-i2c.h>
  23#include <linux/i2c/pca953x.h>
  24#include <linux/spi/spi.h>
  25#include <linux/spi/ads7846.h>
  26#include <linux/spi/corgi_lcd.h>
  27#include <linux/spi/pxa2xx_spi.h>
  28#include <linux/mtd/sharpsl.h>
  29#include <linux/mtd/physmap.h>
  30#include <linux/input/matrix_keypad.h>
  31#include <linux/regulator/machine.h>
  32#include <linux/io.h>
  33#include <linux/module.h>
  34
  35#include <asm/setup.h>
  36#include <asm/mach-types.h>
  37#include <asm/mach/arch.h>
  38#include <asm/mach/sharpsl_param.h>
  39#include <asm/hardware/scoop.h>
  40
  41#include <mach/pxa27x.h>
  42#include <mach/pxa27x-udc.h>
  43#include <mach/reset.h>
  44#include <mach/irda.h>
  45#include <mach/mmc.h>
  46#include <mach/ohci.h>
  47#include <mach/pxafb.h>
  48#include <mach/spitz.h>
  49#include <mach/sharpsl_pm.h>
  50#include <mach/smemc.h>
  51
  52#include "generic.h"
  53#include "devices.h"
  54
  55/******************************************************************************
  56 * Pin configuration
  57 ******************************************************************************/
  58static unsigned long spitz_pin_config[] __initdata = {
  59        /* Chip Selects */
  60        GPIO78_nCS_2,   /* SCOOP #2 */
  61        GPIO79_nCS_3,   /* NAND */
  62        GPIO80_nCS_4,   /* SCOOP #1 */
  63
  64        /* LCD - 16bpp Active TFT */
  65        GPIOxx_LCD_TFT_16BPP,
  66
  67        /* PC Card */
  68        GPIO48_nPOE,
  69        GPIO49_nPWE,
  70        GPIO50_nPIOR,
  71        GPIO51_nPIOW,
  72        GPIO85_nPCE_1,
  73        GPIO54_nPCE_2,
  74        GPIO55_nPREG,
  75        GPIO56_nPWAIT,
  76        GPIO57_nIOIS16,
  77        GPIO104_PSKTSEL,
  78
  79        /* I2S */
  80        GPIO28_I2S_BITCLK_OUT,
  81        GPIO29_I2S_SDATA_IN,
  82        GPIO30_I2S_SDATA_OUT,
  83        GPIO31_I2S_SYNC,
  84
  85        /* MMC */
  86        GPIO32_MMC_CLK,
  87        GPIO112_MMC_CMD,
  88        GPIO92_MMC_DAT_0,
  89        GPIO109_MMC_DAT_1,
  90        GPIO110_MMC_DAT_2,
  91        GPIO111_MMC_DAT_3,
  92
  93        /* GPIOs */
  94        GPIO9_GPIO,     /* SPITZ_GPIO_nSD_DETECT */
  95        GPIO16_GPIO,    /* SPITZ_GPIO_SYNC */
  96        GPIO81_GPIO,    /* SPITZ_GPIO_nSD_WP */
  97        GPIO41_GPIO,    /* SPITZ_GPIO_USB_CONNECT */
  98        GPIO37_GPIO,    /* SPITZ_GPIO_USB_HOST */
  99        GPIO35_GPIO,    /* SPITZ_GPIO_USB_DEVICE */
 100        GPIO22_GPIO,    /* SPITZ_GPIO_HSYNC */
 101        GPIO94_GPIO,    /* SPITZ_GPIO_CF_CD */
 102        GPIO105_GPIO,   /* SPITZ_GPIO_CF_IRQ */
 103        GPIO106_GPIO,   /* SPITZ_GPIO_CF2_IRQ */
 104
 105        /* GPIO matrix keypad */
 106        GPIO88_GPIO,    /* column 0 */
 107        GPIO23_GPIO,    /* column 1 */
 108        GPIO24_GPIO,    /* column 2 */
 109        GPIO25_GPIO,    /* column 3 */
 110        GPIO26_GPIO,    /* column 4 */
 111        GPIO27_GPIO,    /* column 5 */
 112        GPIO52_GPIO,    /* column 6 */
 113        GPIO103_GPIO,   /* column 7 */
 114        GPIO107_GPIO,   /* column 8 */
 115        GPIO108_GPIO,   /* column 9 */
 116        GPIO114_GPIO,   /* column 10 */
 117        GPIO12_GPIO,    /* row 0 */
 118        GPIO17_GPIO,    /* row 1 */
 119        GPIO91_GPIO,    /* row 2 */
 120        GPIO34_GPIO,    /* row 3 */
 121        GPIO36_GPIO,    /* row 4 */
 122        GPIO38_GPIO,    /* row 5 */
 123        GPIO39_GPIO,    /* row 6 */
 124
 125        /* I2C */
 126        GPIO117_I2C_SCL,
 127        GPIO118_I2C_SDA,
 128
 129        GPIO0_GPIO | WAKEUP_ON_EDGE_RISE,       /* SPITZ_GPIO_KEY_INT */
 130        GPIO1_GPIO | WAKEUP_ON_EDGE_FALL,       /* SPITZ_GPIO_RESET */
 131};
 132
 133
 134/******************************************************************************
 135 * Scoop GPIO expander
 136 ******************************************************************************/
 137#if defined(CONFIG_SHARP_SCOOP) || defined(CONFIG_SHARP_SCOOP_MODULE)
 138/* SCOOP Device #1 */
 139static struct resource spitz_scoop_1_resources[] = {
 140        [0] = {
 141                .start          = 0x10800000,
 142                .end            = 0x10800fff,
 143                .flags          = IORESOURCE_MEM,
 144        },
 145};
 146
 147static struct scoop_config spitz_scoop_1_setup = {
 148        .io_dir         = SPITZ_SCP_IO_DIR,
 149        .io_out         = SPITZ_SCP_IO_OUT,
 150        .suspend_clr    = SPITZ_SCP_SUS_CLR,
 151        .suspend_set    = SPITZ_SCP_SUS_SET,
 152        .gpio_base      = SPITZ_SCP_GPIO_BASE,
 153};
 154
 155struct platform_device spitz_scoop_1_device = {
 156        .name           = "sharp-scoop",
 157        .id             = 0,
 158        .dev            = {
 159                .platform_data  = &spitz_scoop_1_setup,
 160        },
 161        .num_resources  = ARRAY_SIZE(spitz_scoop_1_resources),
 162        .resource       = spitz_scoop_1_resources,
 163};
 164
 165/* SCOOP Device #2 */
 166static struct resource spitz_scoop_2_resources[] = {
 167        [0] = {
 168                .start          = 0x08800040,
 169                .end            = 0x08800fff,
 170                .flags          = IORESOURCE_MEM,
 171        },
 172};
 173
 174static struct scoop_config spitz_scoop_2_setup = {
 175        .io_dir         = SPITZ_SCP2_IO_DIR,
 176        .io_out         = SPITZ_SCP2_IO_OUT,
 177        .suspend_clr    = SPITZ_SCP2_SUS_CLR,
 178        .suspend_set    = SPITZ_SCP2_SUS_SET,
 179        .gpio_base      = SPITZ_SCP2_GPIO_BASE,
 180};
 181
 182struct platform_device spitz_scoop_2_device = {
 183        .name           = "sharp-scoop",
 184        .id             = 1,
 185        .dev            = {
 186                .platform_data  = &spitz_scoop_2_setup,
 187        },
 188        .num_resources  = ARRAY_SIZE(spitz_scoop_2_resources),
 189        .resource       = spitz_scoop_2_resources,
 190};
 191
 192static void __init spitz_scoop_init(void)
 193{
 194        platform_device_register(&spitz_scoop_1_device);
 195
 196        /* Akita doesn't have the second SCOOP chip */
 197        if (!machine_is_akita())
 198                platform_device_register(&spitz_scoop_2_device);
 199}
 200
 201/* Power control is shared with between one of the CF slots and SD */
 202static void spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr)
 203{
 204        unsigned short cpr;
 205        unsigned long flags;
 206
 207        if (new_cpr & 0x7) {
 208                gpio_set_value(SPITZ_GPIO_CF_POWER, 1);
 209                mdelay(5);
 210        }
 211
 212        local_irq_save(flags);
 213
 214        cpr = read_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR);
 215
 216        if (enable & new_cpr)
 217                cpr |= new_cpr;
 218        else
 219                cpr &= ~enable;
 220
 221        write_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR, cpr);
 222
 223        local_irq_restore(flags);
 224
 225        if (!(cpr & 0x7)) {
 226                mdelay(1);
 227                gpio_set_value(SPITZ_GPIO_CF_POWER, 0);
 228        }
 229}
 230
 231#else
 232static inline void spitz_scoop_init(void) {}
 233static inline void spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr) {}
 234#endif
 235
 236/******************************************************************************
 237 * PCMCIA
 238 ******************************************************************************/
 239#if defined(CONFIG_PCMCIA_PXA2XX) || defined(CONFIG_PCMCIA_PXA2XX_MODULE)
 240static void spitz_pcmcia_pwr(struct device *scoop, uint16_t cpr, int nr)
 241{
 242        /* Only need to override behaviour for slot 0 */
 243        if (nr == 0)
 244                spitz_card_pwr_ctrl(
 245                        cpr & (SCOOP_CPR_CF_3V | SCOOP_CPR_CF_XV), cpr);
 246        else
 247                write_scoop_reg(scoop, SCOOP_CPR, cpr);
 248}
 249
 250static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
 251        {
 252                .dev            = &spitz_scoop_1_device.dev,
 253                .irq            = SPITZ_IRQ_GPIO_CF_IRQ,
 254                .cd_irq         = SPITZ_IRQ_GPIO_CF_CD,
 255                .cd_irq_str     = "PCMCIA0 CD",
 256        }, {
 257                .dev            = &spitz_scoop_2_device.dev,
 258                .irq            = SPITZ_IRQ_GPIO_CF2_IRQ,
 259                .cd_irq         = -1,
 260        },
 261};
 262
 263static struct scoop_pcmcia_config spitz_pcmcia_config = {
 264        .devs           = &spitz_pcmcia_scoop[0],
 265        .num_devs       = 2,
 266        .power_ctrl     = spitz_pcmcia_pwr,
 267};
 268
 269static void __init spitz_pcmcia_init(void)
 270{
 271        /* Akita has only one PCMCIA slot used */
 272        if (machine_is_akita())
 273                spitz_pcmcia_config.num_devs = 1;
 274
 275        platform_scoop_config = &spitz_pcmcia_config;
 276}
 277#else
 278static inline void spitz_pcmcia_init(void) {}
 279#endif
 280
 281/******************************************************************************
 282 * GPIO keyboard
 283 ******************************************************************************/
 284#if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE)
 285
 286#define SPITZ_KEY_CALENDAR      KEY_F1
 287#define SPITZ_KEY_ADDRESS       KEY_F2
 288#define SPITZ_KEY_FN            KEY_F3
 289#define SPITZ_KEY_CANCEL        KEY_F4
 290#define SPITZ_KEY_EXOK          KEY_F5
 291#define SPITZ_KEY_EXCANCEL      KEY_F6
 292#define SPITZ_KEY_EXJOGDOWN     KEY_F7
 293#define SPITZ_KEY_EXJOGUP       KEY_F8
 294#define SPITZ_KEY_JAP1          KEY_LEFTALT
 295#define SPITZ_KEY_JAP2          KEY_RIGHTCTRL
 296#define SPITZ_KEY_SYNC          KEY_F9
 297#define SPITZ_KEY_MAIL          KEY_F10
 298#define SPITZ_KEY_OK            KEY_F11
 299#define SPITZ_KEY_MENU          KEY_F12
 300
 301static const uint32_t spitz_keymap[] = {
 302        KEY(0, 0, KEY_LEFTCTRL),
 303        KEY(0, 1, KEY_1),
 304        KEY(0, 2, KEY_3),
 305        KEY(0, 3, KEY_5),
 306        KEY(0, 4, KEY_6),
 307        KEY(0, 5, KEY_7),
 308        KEY(0, 6, KEY_9),
 309        KEY(0, 7, KEY_0),
 310        KEY(0, 8, KEY_BACKSPACE),
 311        KEY(0, 9, SPITZ_KEY_EXOK),      /* EXOK */
 312        KEY(0, 10, SPITZ_KEY_EXCANCEL), /* EXCANCEL */
 313        KEY(1, 1, KEY_2),
 314        KEY(1, 2, KEY_4),
 315        KEY(1, 3, KEY_R),
 316        KEY(1, 4, KEY_Y),
 317        KEY(1, 5, KEY_8),
 318        KEY(1, 6, KEY_I),
 319        KEY(1, 7, KEY_O),
 320        KEY(1, 8, KEY_P),
 321        KEY(1, 9, SPITZ_KEY_EXJOGDOWN), /* EXJOGDOWN */
 322        KEY(1, 10, SPITZ_KEY_EXJOGUP),  /* EXJOGUP */
 323        KEY(2, 0, KEY_TAB),
 324        KEY(2, 1, KEY_Q),
 325        KEY(2, 2, KEY_E),
 326        KEY(2, 3, KEY_T),
 327        KEY(2, 4, KEY_G),
 328        KEY(2, 5, KEY_U),
 329        KEY(2, 6, KEY_J),
 330        KEY(2, 7, KEY_K),
 331        KEY(3, 0, SPITZ_KEY_ADDRESS),   /* ADDRESS */
 332        KEY(3, 1, KEY_W),
 333        KEY(3, 2, KEY_S),
 334        KEY(3, 3, KEY_F),
 335        KEY(3, 4, KEY_V),
 336        KEY(3, 5, KEY_H),
 337        KEY(3, 6, KEY_M),
 338        KEY(3, 7, KEY_L),
 339        KEY(3, 9, KEY_RIGHTSHIFT),
 340        KEY(4, 0, SPITZ_KEY_CALENDAR),  /* CALENDAR */
 341        KEY(4, 1, KEY_A),
 342        KEY(4, 2, KEY_D),
 343        KEY(4, 3, KEY_C),
 344        KEY(4, 4, KEY_B),
 345        KEY(4, 5, KEY_N),
 346        KEY(4, 6, KEY_DOT),
 347        KEY(4, 8, KEY_ENTER),
 348        KEY(4, 9, KEY_LEFTSHIFT),
 349        KEY(5, 0, SPITZ_KEY_MAIL),      /* MAIL */
 350        KEY(5, 1, KEY_Z),
 351        KEY(5, 2, KEY_X),
 352        KEY(5, 3, KEY_MINUS),
 353        KEY(5, 4, KEY_SPACE),
 354        KEY(5, 5, KEY_COMMA),
 355        KEY(5, 7, KEY_UP),
 356        KEY(5, 10, SPITZ_KEY_FN),       /* FN */
 357        KEY(6, 0, KEY_SYSRQ),
 358        KEY(6, 1, SPITZ_KEY_JAP1),      /* JAP1 */
 359        KEY(6, 2, SPITZ_KEY_JAP2),      /* JAP2 */
 360        KEY(6, 3, SPITZ_KEY_CANCEL),    /* CANCEL */
 361        KEY(6, 4, SPITZ_KEY_OK),        /* OK */
 362        KEY(6, 5, SPITZ_KEY_MENU),      /* MENU */
 363        KEY(6, 6, KEY_LEFT),
 364        KEY(6, 7, KEY_DOWN),
 365        KEY(6, 8, KEY_RIGHT),
 366};
 367
 368static const struct matrix_keymap_data spitz_keymap_data = {
 369        .keymap         = spitz_keymap,
 370        .keymap_size    = ARRAY_SIZE(spitz_keymap),
 371};
 372
 373static const uint32_t spitz_row_gpios[] =
 374                { 12, 17, 91, 34, 36, 38, 39 };
 375static const uint32_t spitz_col_gpios[] =
 376                { 88, 23, 24, 25, 26, 27, 52, 103, 107, 108, 114 };
 377
 378static struct matrix_keypad_platform_data spitz_mkp_pdata = {
 379        .keymap_data            = &spitz_keymap_data,
 380        .row_gpios              = spitz_row_gpios,
 381        .col_gpios              = spitz_col_gpios,
 382        .num_row_gpios          = ARRAY_SIZE(spitz_row_gpios),
 383        .num_col_gpios          = ARRAY_SIZE(spitz_col_gpios),
 384        .col_scan_delay_us      = 10,
 385        .debounce_ms            = 10,
 386        .wakeup                 = 1,
 387};
 388
 389static struct platform_device spitz_mkp_device = {
 390        .name           = "matrix-keypad",
 391        .id             = -1,
 392        .dev            = {
 393                .platform_data  = &spitz_mkp_pdata,
 394        },
 395};
 396
 397static void __init spitz_mkp_init(void)
 398{
 399        platform_device_register(&spitz_mkp_device);
 400}
 401#else
 402static inline void spitz_mkp_init(void) {}
 403#endif
 404
 405/******************************************************************************
 406 * GPIO keys
 407 ******************************************************************************/
 408#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 409static struct gpio_keys_button spitz_gpio_keys[] = {
 410        {
 411                .type   = EV_PWR,
 412                .code   = KEY_SUSPEND,
 413                .gpio   = SPITZ_GPIO_ON_KEY,
 414                .desc   = "On Off",
 415                .wakeup = 1,
 416        },
 417        /* Two buttons detecting the lid state */
 418        {
 419                .type   = EV_SW,
 420                .code   = 0,
 421                .gpio   = SPITZ_GPIO_SWA,
 422                .desc   = "Display Down",
 423        },
 424        {
 425                .type   = EV_SW,
 426                .code   = 1,
 427                .gpio   = SPITZ_GPIO_SWB,
 428                .desc   = "Lid Closed",
 429        },
 430};
 431
 432static struct gpio_keys_platform_data spitz_gpio_keys_platform_data = {
 433        .buttons        = spitz_gpio_keys,
 434        .nbuttons       = ARRAY_SIZE(spitz_gpio_keys),
 435};
 436
 437static struct platform_device spitz_gpio_keys_device = {
 438        .name   = "gpio-keys",
 439        .id     = -1,
 440        .dev    = {
 441                .platform_data  = &spitz_gpio_keys_platform_data,
 442        },
 443};
 444
 445static void __init spitz_keys_init(void)
 446{
 447        platform_device_register(&spitz_gpio_keys_device);
 448}
 449#else
 450static inline void spitz_keys_init(void) {}
 451#endif
 452
 453/******************************************************************************
 454 * LEDs
 455 ******************************************************************************/
 456#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 457static struct gpio_led spitz_gpio_leds[] = {
 458        {
 459                .name                   = "spitz:amber:charge",
 460                .default_trigger        = "sharpsl-charge",
 461                .gpio                   = SPITZ_GPIO_LED_ORANGE,
 462        },
 463        {
 464                .name                   = "spitz:green:hddactivity",
 465                .default_trigger        = "ide-disk",
 466                .gpio                   = SPITZ_GPIO_LED_GREEN,
 467        },
 468};
 469
 470static struct gpio_led_platform_data spitz_gpio_leds_info = {
 471        .leds           = spitz_gpio_leds,
 472        .num_leds       = ARRAY_SIZE(spitz_gpio_leds),
 473};
 474
 475static struct platform_device spitz_led_device = {
 476        .name           = "leds-gpio",
 477        .id             = -1,
 478        .dev            = {
 479                .platform_data  = &spitz_gpio_leds_info,
 480        },
 481};
 482
 483static void __init spitz_leds_init(void)
 484{
 485        platform_device_register(&spitz_led_device);
 486}
 487#else
 488static inline void spitz_leds_init(void) {}
 489#endif
 490
 491/******************************************************************************
 492 * SSP Devices
 493 ******************************************************************************/
 494#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
 495static void spitz_ads7846_wait_for_hsync(void)
 496{
 497        while (gpio_get_value(SPITZ_GPIO_HSYNC))
 498                cpu_relax();
 499
 500        while (!gpio_get_value(SPITZ_GPIO_HSYNC))
 501                cpu_relax();
 502}
 503
 504static struct ads7846_platform_data spitz_ads7846_info = {
 505        .model                  = 7846,
 506        .vref_delay_usecs       = 100,
 507        .x_plate_ohms           = 419,
 508        .y_plate_ohms           = 486,
 509        .pressure_max           = 1024,
 510        .gpio_pendown           = SPITZ_GPIO_TP_INT,
 511        .wait_for_sync          = spitz_ads7846_wait_for_hsync,
 512};
 513
 514static struct pxa2xx_spi_chip spitz_ads7846_chip = {
 515        .gpio_cs                = SPITZ_GPIO_ADS7846_CS,
 516};
 517
 518static void spitz_bl_kick_battery(void)
 519{
 520        void (*kick_batt)(void);
 521
 522        kick_batt = symbol_get(sharpsl_battery_kick);
 523        if (kick_batt) {
 524                kick_batt();
 525                symbol_put(sharpsl_battery_kick);
 526        }
 527}
 528
 529static struct corgi_lcd_platform_data spitz_lcdcon_info = {
 530        .init_mode              = CORGI_LCD_MODE_VGA,
 531        .max_intensity          = 0x2f,
 532        .default_intensity      = 0x1f,
 533        .limit_mask             = 0x0b,
 534        .gpio_backlight_cont    = SPITZ_GPIO_BACKLIGHT_CONT,
 535        .gpio_backlight_on      = SPITZ_GPIO_BACKLIGHT_ON,
 536        .kick_battery           = spitz_bl_kick_battery,
 537};
 538
 539static struct pxa2xx_spi_chip spitz_lcdcon_chip = {
 540        .gpio_cs        = SPITZ_GPIO_LCDCON_CS,
 541};
 542
 543static struct pxa2xx_spi_chip spitz_max1111_chip = {
 544        .gpio_cs        = SPITZ_GPIO_MAX1111_CS,
 545};
 546
 547static struct spi_board_info spitz_spi_devices[] = {
 548        {
 549                .modalias               = "ads7846",
 550                .max_speed_hz           = 1200000,
 551                .bus_num                = 2,
 552                .chip_select            = 0,
 553                .platform_data          = &spitz_ads7846_info,
 554                .controller_data        = &spitz_ads7846_chip,
 555                .irq                    = PXA_GPIO_TO_IRQ(SPITZ_GPIO_TP_INT),
 556        }, {
 557                .modalias               = "corgi-lcd",
 558                .max_speed_hz           = 50000,
 559                .bus_num                = 2,
 560                .chip_select            = 1,
 561                .platform_data          = &spitz_lcdcon_info,
 562                .controller_data        = &spitz_lcdcon_chip,
 563        }, {
 564                .modalias               = "max1111",
 565                .max_speed_hz           = 450000,
 566                .bus_num                = 2,
 567                .chip_select            = 2,
 568                .controller_data        = &spitz_max1111_chip,
 569        },
 570};
 571
 572static struct pxa2xx_spi_master spitz_spi_info = {
 573        .num_chipselect = 3,
 574};
 575
 576static void __init spitz_spi_init(void)
 577{
 578        struct corgi_lcd_platform_data *lcd_data = &spitz_lcdcon_info;
 579
 580        if (machine_is_akita()) {
 581                lcd_data->gpio_backlight_cont = AKITA_GPIO_BACKLIGHT_CONT;
 582                lcd_data->gpio_backlight_on = AKITA_GPIO_BACKLIGHT_ON;
 583        }
 584
 585        pxa2xx_set_spi_info(2, &spitz_spi_info);
 586        spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices));
 587}
 588#else
 589static inline void spitz_spi_init(void) {}
 590#endif
 591
 592/******************************************************************************
 593 * SD/MMC card controller
 594 ******************************************************************************/
 595#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
 596/*
 597 * NOTE: The card detect interrupt isn't debounced so we delay it by 250ms to
 598 * give the card a chance to fully insert/eject.
 599 */
 600static void spitz_mci_setpower(struct device *dev, unsigned int vdd)
 601{
 602        struct pxamci_platform_data* p_d = dev->platform_data;
 603
 604        if ((1 << vdd) & p_d->ocr_mask)
 605                spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, SCOOP_CPR_SD_3V);
 606        else
 607                spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, 0x0);
 608}
 609
 610static struct pxamci_platform_data spitz_mci_platform_data = {
 611        .detect_delay_ms        = 250,
 612        .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 613        .setpower               = spitz_mci_setpower,
 614        .gpio_card_detect       = SPITZ_GPIO_nSD_DETECT,
 615        .gpio_card_ro           = SPITZ_GPIO_nSD_WP,
 616        .gpio_power             = -1,
 617};
 618
 619static void __init spitz_mmc_init(void)
 620{
 621        pxa_set_mci_info(&spitz_mci_platform_data);
 622}
 623#else
 624static inline void spitz_mmc_init(void) {}
 625#endif
 626
 627/******************************************************************************
 628 * USB Host
 629 ******************************************************************************/
 630#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 631static int spitz_ohci_init(struct device *dev)
 632{
 633        int err;
 634
 635        err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST");
 636        if (err)
 637                return err;
 638
 639        /* Only Port 2 is connected, setup USB Port 2 Output Control Register */
 640        UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
 641
 642        return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1);
 643}
 644
 645static void spitz_ohci_exit(struct device *dev)
 646{
 647        gpio_free(SPITZ_GPIO_USB_HOST);
 648}
 649
 650static struct pxaohci_platform_data spitz_ohci_platform_data = {
 651        .port_mode      = PMM_NPS_MODE,
 652        .init           = spitz_ohci_init,
 653        .exit           = spitz_ohci_exit,
 654        .flags          = ENABLE_PORT_ALL | NO_OC_PROTECTION,
 655        .power_budget   = 150,
 656};
 657
 658static void __init spitz_uhc_init(void)
 659{
 660        pxa_set_ohci_info(&spitz_ohci_platform_data);
 661}
 662#else
 663static inline void spitz_uhc_init(void) {}
 664#endif
 665
 666/******************************************************************************
 667 * IrDA
 668 ******************************************************************************/
 669#if defined(CONFIG_PXA_FICP) || defined(CONFIG_PXA_FICP_MODULE)
 670static struct pxaficp_platform_data spitz_ficp_platform_data = {
 671        .transceiver_cap        = IR_SIRMODE | IR_OFF,
 672};
 673
 674static void __init spitz_irda_init(void)
 675{
 676        if (machine_is_akita())
 677                spitz_ficp_platform_data.gpio_pwdown = AKITA_GPIO_IR_ON;
 678        else
 679                spitz_ficp_platform_data.gpio_pwdown = SPITZ_GPIO_IR_ON;
 680
 681        pxa_set_ficp_info(&spitz_ficp_platform_data);
 682}
 683#else
 684static inline void spitz_irda_init(void) {}
 685#endif
 686
 687/******************************************************************************
 688 * Framebuffer
 689 ******************************************************************************/
 690#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 691static struct pxafb_mode_info spitz_pxafb_modes[] = {
 692        {
 693                .pixclock       = 19231,
 694                .xres           = 480,
 695                .yres           = 640,
 696                .bpp            = 16,
 697                .hsync_len      = 40,
 698                .left_margin    = 46,
 699                .right_margin   = 125,
 700                .vsync_len      = 3,
 701                .upper_margin   = 1,
 702                .lower_margin   = 0,
 703                .sync           = 0,
 704        }, {
 705                .pixclock       = 134617,
 706                .xres           = 240,
 707                .yres           = 320,
 708                .bpp            = 16,
 709                .hsync_len      = 20,
 710                .left_margin    = 20,
 711                .right_margin   = 46,
 712                .vsync_len      = 2,
 713                .upper_margin   = 1,
 714                .lower_margin   = 0,
 715                .sync           = 0,
 716        },
 717};
 718
 719static struct pxafb_mach_info spitz_pxafb_info = {
 720        .modes          = spitz_pxafb_modes,
 721        .num_modes      = ARRAY_SIZE(spitz_pxafb_modes),
 722        .fixed_modes    = 1,
 723        .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING,
 724};
 725
 726static void __init spitz_lcd_init(void)
 727{
 728        pxa_set_fb_info(NULL, &spitz_pxafb_info);
 729}
 730#else
 731static inline void spitz_lcd_init(void) {}
 732#endif
 733
 734/******************************************************************************
 735 * Framebuffer
 736 ******************************************************************************/
 737#if defined(CONFIG_MTD_NAND_SHARPSL) || defined(CONFIG_MTD_NAND_SHARPSL_MODULE)
 738static struct mtd_partition spitz_nand_partitions[] = {
 739        {
 740                .name = "System Area",
 741                .offset = 0,
 742                .size = 7 * 1024 * 1024,
 743        }, {
 744                .name = "Root Filesystem",
 745                .offset = 7 * 1024 * 1024,
 746        }, {
 747                .name = "Home Filesystem",
 748                .offset = MTDPART_OFS_APPEND,
 749                .size = MTDPART_SIZ_FULL,
 750        },
 751};
 752
 753static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
 754
 755static struct nand_bbt_descr spitz_nand_bbt = {
 756        .options        = 0,
 757        .offs           = 4,
 758        .len            = 2,
 759        .pattern        = scan_ff_pattern
 760};
 761
 762static struct nand_ecclayout akita_oobinfo = {
 763        .oobfree        = { {0x08, 0x09} },
 764        .eccbytes       = 24,
 765        .eccpos         = {
 766                        0x05, 0x01, 0x02, 0x03, 0x06, 0x07, 0x15, 0x11,
 767                        0x12, 0x13, 0x16, 0x17, 0x25, 0x21, 0x22, 0x23,
 768                        0x26, 0x27, 0x35, 0x31, 0x32, 0x33, 0x36, 0x37,
 769        },
 770};
 771
 772static struct sharpsl_nand_platform_data spitz_nand_pdata = {
 773        .badblock_pattern       = &spitz_nand_bbt,
 774        .partitions             = spitz_nand_partitions,
 775        .nr_partitions          = ARRAY_SIZE(spitz_nand_partitions),
 776};
 777
 778static struct resource spitz_nand_resources[] = {
 779        {
 780                .start  = PXA_CS3_PHYS,
 781                .end    = PXA_CS3_PHYS + SZ_4K - 1,
 782                .flags  = IORESOURCE_MEM,
 783        },
 784};
 785
 786static struct platform_device spitz_nand_device = {
 787        .name           = "sharpsl-nand",
 788        .id             = -1,
 789        .resource       = spitz_nand_resources,
 790        .num_resources  = ARRAY_SIZE(spitz_nand_resources),
 791        .dev            = {
 792                .platform_data  = &spitz_nand_pdata,
 793        }
 794};
 795
 796static void __init spitz_nand_init(void)
 797{
 798        if (machine_is_spitz()) {
 799                spitz_nand_partitions[1].size = 5 * 1024 * 1024;
 800        } else if (machine_is_akita()) {
 801                spitz_nand_partitions[1].size = 58 * 1024 * 1024;
 802                spitz_nand_bbt.len = 1;
 803                spitz_nand_pdata.ecc_layout = &akita_oobinfo;
 804        } else if (machine_is_borzoi()) {
 805                spitz_nand_partitions[1].size = 32 * 1024 * 1024;
 806                spitz_nand_bbt.len = 1;
 807                spitz_nand_pdata.ecc_layout = &akita_oobinfo;
 808        }
 809
 810        platform_device_register(&spitz_nand_device);
 811}
 812#else
 813static inline void spitz_nand_init(void) {}
 814#endif
 815
 816/******************************************************************************
 817 * NOR Flash
 818 ******************************************************************************/
 819#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 820static struct mtd_partition spitz_rom_parts[] = {
 821        {
 822                .name   ="Boot PROM Filesystem",
 823                .offset = 0x00140000,
 824                .size   = MTDPART_SIZ_FULL,
 825        },
 826};
 827
 828static struct physmap_flash_data spitz_rom_data = {
 829        .width          = 2,
 830        .nr_parts       = ARRAY_SIZE(spitz_rom_parts),
 831        .parts          = spitz_rom_parts,
 832};
 833
 834static struct resource spitz_rom_resources[] = {
 835        {
 836                .start  = PXA_CS0_PHYS,
 837                .end    = PXA_CS0_PHYS + SZ_8M - 1,
 838                .flags  = IORESOURCE_MEM,
 839        },
 840};
 841
 842static struct platform_device spitz_rom_device = {
 843        .name           = "physmap-flash",
 844        .id             = -1,
 845        .resource       = spitz_rom_resources,
 846        .num_resources  = ARRAY_SIZE(spitz_rom_resources),
 847        .dev            = {
 848                .platform_data  = &spitz_rom_data,
 849        },
 850};
 851
 852static void __init spitz_nor_init(void)
 853{
 854        platform_device_register(&spitz_rom_device);
 855}
 856#else
 857static inline void spitz_nor_init(void) {}
 858#endif
 859
 860/******************************************************************************
 861 * GPIO expander
 862 ******************************************************************************/
 863#if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
 864static struct pca953x_platform_data akita_pca953x_pdata = {
 865        .gpio_base              = AKITA_IOEXP_GPIO_BASE,
 866};
 867
 868static struct i2c_board_info spitz_i2c_devs[] = {
 869        {
 870                .type           = "wm8750",
 871                .addr           = 0x1b,
 872        }, {
 873                .type           = "max7310",
 874                .addr           = 0x18,
 875                .platform_data  = &akita_pca953x_pdata,
 876        },
 877};
 878
 879static struct regulator_consumer_supply isl6271a_consumers[] = {
 880        {
 881                .supply = "vcc_core",
 882        }
 883};
 884
 885static struct regulator_init_data isl6271a_info[] = {
 886        {
 887                .constraints = {
 888                        .name           = "vcc_core range",
 889                        .min_uV         = 850000,
 890                        .max_uV         = 1600000,
 891                        .always_on      = 1,
 892                        .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 893                },
 894        .consumer_supplies      = isl6271a_consumers,
 895        .num_consumer_supplies  = ARRAY_SIZE(isl6271a_consumers),
 896        }
 897};
 898
 899static struct i2c_board_info spitz_pi2c_devs[] = {
 900        {
 901                .type           = "isl6271a",
 902                .addr           = 0x0c,
 903                .platform_data  = &isl6271a_info,
 904        },
 905};
 906
 907static void __init spitz_i2c_init(void)
 908{
 909        int size = ARRAY_SIZE(spitz_i2c_devs);
 910
 911        /* Only Akita has the max7310 chip */
 912        if (!machine_is_akita())
 913                size--;
 914
 915        pxa_set_i2c_info(NULL);
 916        pxa27x_set_i2c_power_info(NULL);
 917        i2c_register_board_info(0, spitz_i2c_devs, size);
 918        i2c_register_board_info(1, ARRAY_AND_SIZE(spitz_pi2c_devs));
 919}
 920#else
 921static inline void spitz_i2c_init(void) {}
 922#endif
 923
 924/******************************************************************************
 925 * Machine init
 926 ******************************************************************************/
 927static void spitz_poweroff(void)
 928{
 929        pxa_restart('g', NULL);
 930}
 931
 932static void spitz_restart(char mode, const char *cmd)
 933{
 934        uint32_t msc0 = __raw_readl(MSC0);
 935        /* Bootloader magic for a reboot */
 936        if ((msc0 & 0xffff0000) == 0x7ff00000)
 937                __raw_writel((msc0 & 0xffff) | 0x7ee00000, MSC0);
 938
 939        spitz_poweroff();
 940}
 941
 942static void __init spitz_init(void)
 943{
 944        init_gpio_reset(SPITZ_GPIO_ON_RESET, 1, 0);
 945        pm_power_off = spitz_poweroff;
 946
 947        PMCR = 0x00;
 948
 949        /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
 950        PCFR |= PCFR_OPDE;
 951
 952        pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config));
 953
 954        pxa_set_ffuart_info(NULL);
 955        pxa_set_btuart_info(NULL);
 956        pxa_set_stuart_info(NULL);
 957
 958        spitz_spi_init();
 959        spitz_scoop_init();
 960        spitz_mkp_init();
 961        spitz_keys_init();
 962        spitz_leds_init();
 963        spitz_mmc_init();
 964        spitz_pcmcia_init();
 965        spitz_irda_init();
 966        spitz_uhc_init();
 967        spitz_lcd_init();
 968        spitz_nor_init();
 969        spitz_nand_init();
 970        spitz_i2c_init();
 971}
 972
 973static void __init spitz_fixup(struct tag *tags, char **cmdline,
 974                               struct meminfo *mi)
 975{
 976        sharpsl_save_param();
 977        mi->nr_banks = 1;
 978        mi->bank[0].start = 0xa0000000;
 979        mi->bank[0].size = (64*1024*1024);
 980}
 981
 982#ifdef CONFIG_MACH_SPITZ
 983MACHINE_START(SPITZ, "SHARP Spitz")
 984        .restart_mode   = 'g',
 985        .fixup          = spitz_fixup,
 986        .map_io         = pxa27x_map_io,
 987        .nr_irqs        = PXA_NR_IRQS,
 988        .init_irq       = pxa27x_init_irq,
 989        .handle_irq     = pxa27x_handle_irq,
 990        .init_machine   = spitz_init,
 991        .timer          = &pxa_timer,
 992        .restart        = spitz_restart,
 993MACHINE_END
 994#endif
 995
 996#ifdef CONFIG_MACH_BORZOI
 997MACHINE_START(BORZOI, "SHARP Borzoi")
 998        .restart_mode   = 'g',
 999        .fixup          = spitz_fixup,
1000        .map_io         = pxa27x_map_io,
1001        .nr_irqs        = PXA_NR_IRQS,
1002        .init_irq       = pxa27x_init_irq,
1003        .handle_irq     = pxa27x_handle_irq,
1004        .init_machine   = spitz_init,
1005        .timer          = &pxa_timer,
1006        .restart        = spitz_restart,
1007MACHINE_END
1008#endif
1009
1010#ifdef CONFIG_MACH_AKITA
1011MACHINE_START(AKITA, "SHARP Akita")
1012        .restart_mode   = 'g',
1013        .fixup          = spitz_fixup,
1014        .map_io         = pxa27x_map_io,
1015        .nr_irqs        = PXA_NR_IRQS,
1016        .init_irq       = pxa27x_init_irq,
1017        .handle_irq     = pxa27x_handle_irq,
1018        .init_machine   = spitz_init,
1019        .timer          = &pxa_timer,
1020        .restart        = spitz_restart,
1021MACHINE_END
1022#endif
1023