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/platform_data/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#include <linux/reboot.h>
  35#include <linux/memblock.h>
  36
  37#include <asm/setup.h>
  38#include <asm/mach-types.h>
  39#include <asm/mach/arch.h>
  40#include <asm/mach/sharpsl_param.h>
  41#include <asm/hardware/scoop.h>
  42
  43#include "pxa27x.h"
  44#include "pxa27x-udc.h"
  45#include <mach/reset.h>
  46#include <linux/platform_data/irda-pxaficp.h>
  47#include <linux/platform_data/mmc-pxamci.h>
  48#include <linux/platform_data/usb-ohci-pxa27x.h>
  49#include <linux/platform_data/video-pxafb.h>
  50#include <mach/spitz.h>
  51#include "sharpsl_pm.h"
  52#include <mach/smemc.h>
  53
  54#include "generic.h"
  55#include "devices.h"
  56
  57/******************************************************************************
  58 * Pin configuration
  59 ******************************************************************************/
  60static unsigned long spitz_pin_config[] __initdata = {
  61        /* Chip Selects */
  62        GPIO78_nCS_2,   /* SCOOP #2 */
  63        GPIO79_nCS_3,   /* NAND */
  64        GPIO80_nCS_4,   /* SCOOP #1 */
  65
  66        /* LCD - 16bpp Active TFT */
  67        GPIOxx_LCD_TFT_16BPP,
  68
  69        /* PC Card */
  70        GPIO48_nPOE,
  71        GPIO49_nPWE,
  72        GPIO50_nPIOR,
  73        GPIO51_nPIOW,
  74        GPIO85_nPCE_1,
  75        GPIO54_nPCE_2,
  76        GPIO55_nPREG,
  77        GPIO56_nPWAIT,
  78        GPIO57_nIOIS16,
  79        GPIO104_PSKTSEL,
  80
  81        /* I2S */
  82        GPIO28_I2S_BITCLK_OUT,
  83        GPIO29_I2S_SDATA_IN,
  84        GPIO30_I2S_SDATA_OUT,
  85        GPIO31_I2S_SYNC,
  86
  87        /* MMC */
  88        GPIO32_MMC_CLK,
  89        GPIO112_MMC_CMD,
  90        GPIO92_MMC_DAT_0,
  91        GPIO109_MMC_DAT_1,
  92        GPIO110_MMC_DAT_2,
  93        GPIO111_MMC_DAT_3,
  94
  95        /* GPIOs */
  96        GPIO9_GPIO,     /* SPITZ_GPIO_nSD_DETECT */
  97        GPIO16_GPIO,    /* SPITZ_GPIO_SYNC */
  98        GPIO81_GPIO,    /* SPITZ_GPIO_nSD_WP */
  99        GPIO41_GPIO,    /* SPITZ_GPIO_USB_CONNECT */
 100        GPIO37_GPIO,    /* SPITZ_GPIO_USB_HOST */
 101        GPIO35_GPIO,    /* SPITZ_GPIO_USB_DEVICE */
 102        GPIO22_GPIO,    /* SPITZ_GPIO_HSYNC */
 103        GPIO94_GPIO,    /* SPITZ_GPIO_CF_CD */
 104        GPIO105_GPIO,   /* SPITZ_GPIO_CF_IRQ */
 105        GPIO106_GPIO,   /* SPITZ_GPIO_CF2_IRQ */
 106
 107        /* GPIO matrix keypad */
 108        GPIO88_GPIO,    /* column 0 */
 109        GPIO23_GPIO,    /* column 1 */
 110        GPIO24_GPIO,    /* column 2 */
 111        GPIO25_GPIO,    /* column 3 */
 112        GPIO26_GPIO,    /* column 4 */
 113        GPIO27_GPIO,    /* column 5 */
 114        GPIO52_GPIO,    /* column 6 */
 115        GPIO103_GPIO,   /* column 7 */
 116        GPIO107_GPIO,   /* column 8 */
 117        GPIO108_GPIO,   /* column 9 */
 118        GPIO114_GPIO,   /* column 10 */
 119        GPIO12_GPIO,    /* row 0 */
 120        GPIO17_GPIO,    /* row 1 */
 121        GPIO91_GPIO,    /* row 2 */
 122        GPIO34_GPIO,    /* row 3 */
 123        GPIO36_GPIO,    /* row 4 */
 124        GPIO38_GPIO,    /* row 5 */
 125        GPIO39_GPIO,    /* row 6 */
 126
 127        /* I2C */
 128        GPIO117_I2C_SCL,
 129        GPIO118_I2C_SDA,
 130
 131        GPIO0_GPIO | WAKEUP_ON_EDGE_RISE,       /* SPITZ_GPIO_KEY_INT */
 132        GPIO1_GPIO | WAKEUP_ON_EDGE_FALL,       /* SPITZ_GPIO_RESET */
 133};
 134
 135
 136/******************************************************************************
 137 * Scoop GPIO expander
 138 ******************************************************************************/
 139#if defined(CONFIG_SHARP_SCOOP) || defined(CONFIG_SHARP_SCOOP_MODULE)
 140/* SCOOP Device #1 */
 141static struct resource spitz_scoop_1_resources[] = {
 142        [0] = {
 143                .start          = 0x10800000,
 144                .end            = 0x10800fff,
 145                .flags          = IORESOURCE_MEM,
 146        },
 147};
 148
 149static struct scoop_config spitz_scoop_1_setup = {
 150        .io_dir         = SPITZ_SCP_IO_DIR,
 151        .io_out         = SPITZ_SCP_IO_OUT,
 152        .suspend_clr    = SPITZ_SCP_SUS_CLR,
 153        .suspend_set    = SPITZ_SCP_SUS_SET,
 154        .gpio_base      = SPITZ_SCP_GPIO_BASE,
 155};
 156
 157struct platform_device spitz_scoop_1_device = {
 158        .name           = "sharp-scoop",
 159        .id             = 0,
 160        .dev            = {
 161                .platform_data  = &spitz_scoop_1_setup,
 162        },
 163        .num_resources  = ARRAY_SIZE(spitz_scoop_1_resources),
 164        .resource       = spitz_scoop_1_resources,
 165};
 166
 167/* SCOOP Device #2 */
 168static struct resource spitz_scoop_2_resources[] = {
 169        [0] = {
 170                .start          = 0x08800040,
 171                .end            = 0x08800fff,
 172                .flags          = IORESOURCE_MEM,
 173        },
 174};
 175
 176static struct scoop_config spitz_scoop_2_setup = {
 177        .io_dir         = SPITZ_SCP2_IO_DIR,
 178        .io_out         = SPITZ_SCP2_IO_OUT,
 179        .suspend_clr    = SPITZ_SCP2_SUS_CLR,
 180        .suspend_set    = SPITZ_SCP2_SUS_SET,
 181        .gpio_base      = SPITZ_SCP2_GPIO_BASE,
 182};
 183
 184struct platform_device spitz_scoop_2_device = {
 185        .name           = "sharp-scoop",
 186        .id             = 1,
 187        .dev            = {
 188                .platform_data  = &spitz_scoop_2_setup,
 189        },
 190        .num_resources  = ARRAY_SIZE(spitz_scoop_2_resources),
 191        .resource       = spitz_scoop_2_resources,
 192};
 193
 194static void __init spitz_scoop_init(void)
 195{
 196        platform_device_register(&spitz_scoop_1_device);
 197
 198        /* Akita doesn't have the second SCOOP chip */
 199        if (!machine_is_akita())
 200                platform_device_register(&spitz_scoop_2_device);
 201}
 202
 203/* Power control is shared with between one of the CF slots and SD */
 204static void __maybe_unused spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr)
 205{
 206        unsigned short cpr;
 207        unsigned long flags;
 208
 209        if (new_cpr & 0x7) {
 210                gpio_set_value(SPITZ_GPIO_CF_POWER, 1);
 211                mdelay(5);
 212        }
 213
 214        local_irq_save(flags);
 215
 216        cpr = read_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR);
 217
 218        if (enable & new_cpr)
 219                cpr |= new_cpr;
 220        else
 221                cpr &= ~enable;
 222
 223        write_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR, cpr);
 224
 225        local_irq_restore(flags);
 226
 227        if (!(cpr & 0x7)) {
 228                mdelay(1);
 229                gpio_set_value(SPITZ_GPIO_CF_POWER, 0);
 230        }
 231}
 232
 233#else
 234static inline void spitz_scoop_init(void) {}
 235static inline void spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr) {}
 236#endif
 237
 238/******************************************************************************
 239 * PCMCIA
 240 ******************************************************************************/
 241#if defined(CONFIG_PCMCIA_PXA2XX) || defined(CONFIG_PCMCIA_PXA2XX_MODULE)
 242static void spitz_pcmcia_pwr(struct device *scoop, uint16_t cpr, int nr)
 243{
 244        /* Only need to override behaviour for slot 0 */
 245        if (nr == 0)
 246                spitz_card_pwr_ctrl(
 247                        cpr & (SCOOP_CPR_CF_3V | SCOOP_CPR_CF_XV), cpr);
 248        else
 249                write_scoop_reg(scoop, SCOOP_CPR, cpr);
 250}
 251
 252static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
 253        {
 254                .dev            = &spitz_scoop_1_device.dev,
 255                .irq            = SPITZ_IRQ_GPIO_CF_IRQ,
 256                .cd_irq         = SPITZ_IRQ_GPIO_CF_CD,
 257                .cd_irq_str     = "PCMCIA0 CD",
 258        }, {
 259                .dev            = &spitz_scoop_2_device.dev,
 260                .irq            = SPITZ_IRQ_GPIO_CF2_IRQ,
 261                .cd_irq         = -1,
 262        },
 263};
 264
 265static struct scoop_pcmcia_config spitz_pcmcia_config = {
 266        .devs           = &spitz_pcmcia_scoop[0],
 267        .num_devs       = 2,
 268        .power_ctrl     = spitz_pcmcia_pwr,
 269};
 270
 271static void __init spitz_pcmcia_init(void)
 272{
 273        /* Akita has only one PCMCIA slot used */
 274        if (machine_is_akita())
 275                spitz_pcmcia_config.num_devs = 1;
 276
 277        platform_scoop_config = &spitz_pcmcia_config;
 278}
 279#else
 280static inline void spitz_pcmcia_init(void) {}
 281#endif
 282
 283/******************************************************************************
 284 * GPIO keyboard
 285 ******************************************************************************/
 286#if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE)
 287
 288#define SPITZ_KEY_CALENDAR      KEY_F1
 289#define SPITZ_KEY_ADDRESS       KEY_F2
 290#define SPITZ_KEY_FN            KEY_F3
 291#define SPITZ_KEY_CANCEL        KEY_F4
 292#define SPITZ_KEY_EXOK          KEY_F5
 293#define SPITZ_KEY_EXCANCEL      KEY_F6
 294#define SPITZ_KEY_EXJOGDOWN     KEY_F7
 295#define SPITZ_KEY_EXJOGUP       KEY_F8
 296#define SPITZ_KEY_JAP1          KEY_LEFTALT
 297#define SPITZ_KEY_JAP2          KEY_RIGHTCTRL
 298#define SPITZ_KEY_SYNC          KEY_F9
 299#define SPITZ_KEY_MAIL          KEY_F10
 300#define SPITZ_KEY_OK            KEY_F11
 301#define SPITZ_KEY_MENU          KEY_F12
 302
 303static const uint32_t spitz_keymap[] = {
 304        KEY(0, 0, KEY_LEFTCTRL),
 305        KEY(0, 1, KEY_1),
 306        KEY(0, 2, KEY_3),
 307        KEY(0, 3, KEY_5),
 308        KEY(0, 4, KEY_6),
 309        KEY(0, 5, KEY_7),
 310        KEY(0, 6, KEY_9),
 311        KEY(0, 7, KEY_0),
 312        KEY(0, 8, KEY_BACKSPACE),
 313        KEY(0, 9, SPITZ_KEY_EXOK),      /* EXOK */
 314        KEY(0, 10, SPITZ_KEY_EXCANCEL), /* EXCANCEL */
 315        KEY(1, 1, KEY_2),
 316        KEY(1, 2, KEY_4),
 317        KEY(1, 3, KEY_R),
 318        KEY(1, 4, KEY_Y),
 319        KEY(1, 5, KEY_8),
 320        KEY(1, 6, KEY_I),
 321        KEY(1, 7, KEY_O),
 322        KEY(1, 8, KEY_P),
 323        KEY(1, 9, SPITZ_KEY_EXJOGDOWN), /* EXJOGDOWN */
 324        KEY(1, 10, SPITZ_KEY_EXJOGUP),  /* EXJOGUP */
 325        KEY(2, 0, KEY_TAB),
 326        KEY(2, 1, KEY_Q),
 327        KEY(2, 2, KEY_E),
 328        KEY(2, 3, KEY_T),
 329        KEY(2, 4, KEY_G),
 330        KEY(2, 5, KEY_U),
 331        KEY(2, 6, KEY_J),
 332        KEY(2, 7, KEY_K),
 333        KEY(3, 0, SPITZ_KEY_ADDRESS),   /* ADDRESS */
 334        KEY(3, 1, KEY_W),
 335        KEY(3, 2, KEY_S),
 336        KEY(3, 3, KEY_F),
 337        KEY(3, 4, KEY_V),
 338        KEY(3, 5, KEY_H),
 339        KEY(3, 6, KEY_M),
 340        KEY(3, 7, KEY_L),
 341        KEY(3, 9, KEY_RIGHTSHIFT),
 342        KEY(4, 0, SPITZ_KEY_CALENDAR),  /* CALENDAR */
 343        KEY(4, 1, KEY_A),
 344        KEY(4, 2, KEY_D),
 345        KEY(4, 3, KEY_C),
 346        KEY(4, 4, KEY_B),
 347        KEY(4, 5, KEY_N),
 348        KEY(4, 6, KEY_DOT),
 349        KEY(4, 8, KEY_ENTER),
 350        KEY(4, 9, KEY_LEFTSHIFT),
 351        KEY(5, 0, SPITZ_KEY_MAIL),      /* MAIL */
 352        KEY(5, 1, KEY_Z),
 353        KEY(5, 2, KEY_X),
 354        KEY(5, 3, KEY_MINUS),
 355        KEY(5, 4, KEY_SPACE),
 356        KEY(5, 5, KEY_COMMA),
 357        KEY(5, 7, KEY_UP),
 358        KEY(5, 10, SPITZ_KEY_FN),       /* FN */
 359        KEY(6, 0, KEY_SYSRQ),
 360        KEY(6, 1, SPITZ_KEY_JAP1),      /* JAP1 */
 361        KEY(6, 2, SPITZ_KEY_JAP2),      /* JAP2 */
 362        KEY(6, 3, SPITZ_KEY_CANCEL),    /* CANCEL */
 363        KEY(6, 4, SPITZ_KEY_OK),        /* OK */
 364        KEY(6, 5, SPITZ_KEY_MENU),      /* MENU */
 365        KEY(6, 6, KEY_LEFT),
 366        KEY(6, 7, KEY_DOWN),
 367        KEY(6, 8, KEY_RIGHT),
 368};
 369
 370static const struct matrix_keymap_data spitz_keymap_data = {
 371        .keymap         = spitz_keymap,
 372        .keymap_size    = ARRAY_SIZE(spitz_keymap),
 373};
 374
 375static const uint32_t spitz_row_gpios[] =
 376                { 12, 17, 91, 34, 36, 38, 39 };
 377static const uint32_t spitz_col_gpios[] =
 378                { 88, 23, 24, 25, 26, 27, 52, 103, 107, 108, 114 };
 379
 380static struct matrix_keypad_platform_data spitz_mkp_pdata = {
 381        .keymap_data            = &spitz_keymap_data,
 382        .row_gpios              = spitz_row_gpios,
 383        .col_gpios              = spitz_col_gpios,
 384        .num_row_gpios          = ARRAY_SIZE(spitz_row_gpios),
 385        .num_col_gpios          = ARRAY_SIZE(spitz_col_gpios),
 386        .col_scan_delay_us      = 10,
 387        .debounce_ms            = 10,
 388        .wakeup                 = 1,
 389};
 390
 391static struct platform_device spitz_mkp_device = {
 392        .name           = "matrix-keypad",
 393        .id             = -1,
 394        .dev            = {
 395                .platform_data  = &spitz_mkp_pdata,
 396        },
 397};
 398
 399static void __init spitz_mkp_init(void)
 400{
 401        platform_device_register(&spitz_mkp_device);
 402}
 403#else
 404static inline void spitz_mkp_init(void) {}
 405#endif
 406
 407/******************************************************************************
 408 * GPIO keys
 409 ******************************************************************************/
 410#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 411static struct gpio_keys_button spitz_gpio_keys[] = {
 412        {
 413                .type   = EV_PWR,
 414                .code   = KEY_SUSPEND,
 415                .gpio   = SPITZ_GPIO_ON_KEY,
 416                .desc   = "On Off",
 417                .wakeup = 1,
 418        },
 419        /* Two buttons detecting the lid state */
 420        {
 421                .type   = EV_SW,
 422                .code   = 0,
 423                .gpio   = SPITZ_GPIO_SWA,
 424                .desc   = "Display Down",
 425        },
 426        {
 427                .type   = EV_SW,
 428                .code   = 1,
 429                .gpio   = SPITZ_GPIO_SWB,
 430                .desc   = "Lid Closed",
 431        },
 432};
 433
 434static struct gpio_keys_platform_data spitz_gpio_keys_platform_data = {
 435        .buttons        = spitz_gpio_keys,
 436        .nbuttons       = ARRAY_SIZE(spitz_gpio_keys),
 437};
 438
 439static struct platform_device spitz_gpio_keys_device = {
 440        .name   = "gpio-keys",
 441        .id     = -1,
 442        .dev    = {
 443                .platform_data  = &spitz_gpio_keys_platform_data,
 444        },
 445};
 446
 447static void __init spitz_keys_init(void)
 448{
 449        platform_device_register(&spitz_gpio_keys_device);
 450}
 451#else
 452static inline void spitz_keys_init(void) {}
 453#endif
 454
 455/******************************************************************************
 456 * LEDs
 457 ******************************************************************************/
 458#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 459static struct gpio_led spitz_gpio_leds[] = {
 460        {
 461                .name                   = "spitz:amber:charge",
 462                .default_trigger        = "sharpsl-charge",
 463                .gpio                   = SPITZ_GPIO_LED_ORANGE,
 464        },
 465        {
 466                .name                   = "spitz:green:hddactivity",
 467                .default_trigger        = "ide-disk",
 468                .gpio                   = SPITZ_GPIO_LED_GREEN,
 469        },
 470};
 471
 472static struct gpio_led_platform_data spitz_gpio_leds_info = {
 473        .leds           = spitz_gpio_leds,
 474        .num_leds       = ARRAY_SIZE(spitz_gpio_leds),
 475};
 476
 477static struct platform_device spitz_led_device = {
 478        .name           = "leds-gpio",
 479        .id             = -1,
 480        .dev            = {
 481                .platform_data  = &spitz_gpio_leds_info,
 482        },
 483};
 484
 485static void __init spitz_leds_init(void)
 486{
 487        platform_device_register(&spitz_led_device);
 488}
 489#else
 490static inline void spitz_leds_init(void) {}
 491#endif
 492
 493/******************************************************************************
 494 * SSP Devices
 495 ******************************************************************************/
 496#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
 497static void spitz_ads7846_wait_for_hsync(void)
 498{
 499        while (gpio_get_value(SPITZ_GPIO_HSYNC))
 500                cpu_relax();
 501
 502        while (!gpio_get_value(SPITZ_GPIO_HSYNC))
 503                cpu_relax();
 504}
 505
 506static struct ads7846_platform_data spitz_ads7846_info = {
 507        .model                  = 7846,
 508        .vref_delay_usecs       = 100,
 509        .x_plate_ohms           = 419,
 510        .y_plate_ohms           = 486,
 511        .pressure_max           = 1024,
 512        .gpio_pendown           = SPITZ_GPIO_TP_INT,
 513        .wait_for_sync          = spitz_ads7846_wait_for_hsync,
 514};
 515
 516static struct pxa2xx_spi_chip spitz_ads7846_chip = {
 517        .gpio_cs                = SPITZ_GPIO_ADS7846_CS,
 518};
 519
 520static void spitz_bl_kick_battery(void)
 521{
 522        void (*kick_batt)(void);
 523
 524        kick_batt = symbol_get(sharpsl_battery_kick);
 525        if (kick_batt) {
 526                kick_batt();
 527                symbol_put(sharpsl_battery_kick);
 528        }
 529}
 530
 531static struct corgi_lcd_platform_data spitz_lcdcon_info = {
 532        .init_mode              = CORGI_LCD_MODE_VGA,
 533        .max_intensity          = 0x2f,
 534        .default_intensity      = 0x1f,
 535        .limit_mask             = 0x0b,
 536        .gpio_backlight_cont    = SPITZ_GPIO_BACKLIGHT_CONT,
 537        .gpio_backlight_on      = SPITZ_GPIO_BACKLIGHT_ON,
 538        .kick_battery           = spitz_bl_kick_battery,
 539};
 540
 541static struct pxa2xx_spi_chip spitz_lcdcon_chip = {
 542        .gpio_cs        = SPITZ_GPIO_LCDCON_CS,
 543};
 544
 545static struct pxa2xx_spi_chip spitz_max1111_chip = {
 546        .gpio_cs        = SPITZ_GPIO_MAX1111_CS,
 547};
 548
 549static struct spi_board_info spitz_spi_devices[] = {
 550        {
 551                .modalias               = "ads7846",
 552                .max_speed_hz           = 1200000,
 553                .bus_num                = 2,
 554                .chip_select            = 0,
 555                .platform_data          = &spitz_ads7846_info,
 556                .controller_data        = &spitz_ads7846_chip,
 557                .irq                    = PXA_GPIO_TO_IRQ(SPITZ_GPIO_TP_INT),
 558        }, {
 559                .modalias               = "corgi-lcd",
 560                .max_speed_hz           = 50000,
 561                .bus_num                = 2,
 562                .chip_select            = 1,
 563                .platform_data          = &spitz_lcdcon_info,
 564                .controller_data        = &spitz_lcdcon_chip,
 565        }, {
 566                .modalias               = "max1111",
 567                .max_speed_hz           = 450000,
 568                .bus_num                = 2,
 569                .chip_select            = 2,
 570                .controller_data        = &spitz_max1111_chip,
 571        },
 572};
 573
 574static struct pxa2xx_spi_master spitz_spi_info = {
 575        .num_chipselect = 3,
 576};
 577
 578static void __init spitz_spi_init(void)
 579{
 580        struct corgi_lcd_platform_data *lcd_data = &spitz_lcdcon_info;
 581
 582        if (machine_is_akita()) {
 583                lcd_data->gpio_backlight_cont = AKITA_GPIO_BACKLIGHT_CONT;
 584                lcd_data->gpio_backlight_on = AKITA_GPIO_BACKLIGHT_ON;
 585        }
 586
 587        pxa2xx_set_spi_info(2, &spitz_spi_info);
 588        spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices));
 589}
 590#else
 591static inline void spitz_spi_init(void) {}
 592#endif
 593
 594/******************************************************************************
 595 * SD/MMC card controller
 596 ******************************************************************************/
 597#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
 598/*
 599 * NOTE: The card detect interrupt isn't debounced so we delay it by 250ms to
 600 * give the card a chance to fully insert/eject.
 601 */
 602static int spitz_mci_setpower(struct device *dev, unsigned int vdd)
 603{
 604        struct pxamci_platform_data* p_d = dev->platform_data;
 605
 606        if ((1 << vdd) & p_d->ocr_mask)
 607                spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, SCOOP_CPR_SD_3V);
 608        else
 609                spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, 0x0);
 610
 611        return 0;
 612}
 613
 614static struct pxamci_platform_data spitz_mci_platform_data = {
 615        .detect_delay_ms        = 250,
 616        .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 617        .setpower               = spitz_mci_setpower,
 618        .gpio_card_detect       = SPITZ_GPIO_nSD_DETECT,
 619        .gpio_card_ro           = SPITZ_GPIO_nSD_WP,
 620        .gpio_power             = -1,
 621};
 622
 623static void __init spitz_mmc_init(void)
 624{
 625        pxa_set_mci_info(&spitz_mci_platform_data);
 626}
 627#else
 628static inline void spitz_mmc_init(void) {}
 629#endif
 630
 631/******************************************************************************
 632 * USB Host
 633 ******************************************************************************/
 634#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 635static int spitz_ohci_init(struct device *dev)
 636{
 637        int err;
 638
 639        err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST");
 640        if (err)
 641                return err;
 642
 643        /* Only Port 2 is connected, setup USB Port 2 Output Control Register */
 644        UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
 645
 646        return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1);
 647}
 648
 649static void spitz_ohci_exit(struct device *dev)
 650{
 651        gpio_free(SPITZ_GPIO_USB_HOST);
 652}
 653
 654static struct pxaohci_platform_data spitz_ohci_platform_data = {
 655        .port_mode      = PMM_NPS_MODE,
 656        .init           = spitz_ohci_init,
 657        .exit           = spitz_ohci_exit,
 658        .flags          = ENABLE_PORT_ALL | NO_OC_PROTECTION,
 659        .power_budget   = 150,
 660};
 661
 662static void __init spitz_uhc_init(void)
 663{
 664        pxa_set_ohci_info(&spitz_ohci_platform_data);
 665}
 666#else
 667static inline void spitz_uhc_init(void) {}
 668#endif
 669
 670/******************************************************************************
 671 * IrDA
 672 ******************************************************************************/
 673#if defined(CONFIG_PXA_FICP) || defined(CONFIG_PXA_FICP_MODULE)
 674static struct pxaficp_platform_data spitz_ficp_platform_data = {
 675        .transceiver_cap        = IR_SIRMODE | IR_OFF,
 676};
 677
 678static void __init spitz_irda_init(void)
 679{
 680        if (machine_is_akita())
 681                spitz_ficp_platform_data.gpio_pwdown = AKITA_GPIO_IR_ON;
 682        else
 683                spitz_ficp_platform_data.gpio_pwdown = SPITZ_GPIO_IR_ON;
 684
 685        pxa_set_ficp_info(&spitz_ficp_platform_data);
 686}
 687#else
 688static inline void spitz_irda_init(void) {}
 689#endif
 690
 691/******************************************************************************
 692 * Framebuffer
 693 ******************************************************************************/
 694#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 695static struct pxafb_mode_info spitz_pxafb_modes[] = {
 696        {
 697                .pixclock       = 19231,
 698                .xres           = 480,
 699                .yres           = 640,
 700                .bpp            = 16,
 701                .hsync_len      = 40,
 702                .left_margin    = 46,
 703                .right_margin   = 125,
 704                .vsync_len      = 3,
 705                .upper_margin   = 1,
 706                .lower_margin   = 0,
 707                .sync           = 0,
 708        }, {
 709                .pixclock       = 134617,
 710                .xres           = 240,
 711                .yres           = 320,
 712                .bpp            = 16,
 713                .hsync_len      = 20,
 714                .left_margin    = 20,
 715                .right_margin   = 46,
 716                .vsync_len      = 2,
 717                .upper_margin   = 1,
 718                .lower_margin   = 0,
 719                .sync           = 0,
 720        },
 721};
 722
 723static struct pxafb_mach_info spitz_pxafb_info = {
 724        .modes          = spitz_pxafb_modes,
 725        .num_modes      = ARRAY_SIZE(spitz_pxafb_modes),
 726        .fixed_modes    = 1,
 727        .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING,
 728};
 729
 730static void __init spitz_lcd_init(void)
 731{
 732        pxa_set_fb_info(NULL, &spitz_pxafb_info);
 733}
 734#else
 735static inline void spitz_lcd_init(void) {}
 736#endif
 737
 738/******************************************************************************
 739 * NAND Flash
 740 ******************************************************************************/
 741#if defined(CONFIG_MTD_NAND_SHARPSL) || defined(CONFIG_MTD_NAND_SHARPSL_MODULE)
 742static struct mtd_partition spitz_nand_partitions[] = {
 743        {
 744                .name = "System Area",
 745                .offset = 0,
 746                .size = 7 * 1024 * 1024,
 747        }, {
 748                .name = "Root Filesystem",
 749                .offset = 7 * 1024 * 1024,
 750        }, {
 751                .name = "Home Filesystem",
 752                .offset = MTDPART_OFS_APPEND,
 753                .size = MTDPART_SIZ_FULL,
 754        },
 755};
 756
 757static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
 758
 759static struct nand_bbt_descr spitz_nand_bbt = {
 760        .options        = 0,
 761        .offs           = 4,
 762        .len            = 2,
 763        .pattern        = scan_ff_pattern
 764};
 765
 766static struct nand_ecclayout akita_oobinfo = {
 767        .oobfree        = { {0x08, 0x09} },
 768        .eccbytes       = 24,
 769        .eccpos         = {
 770                        0x05, 0x01, 0x02, 0x03, 0x06, 0x07, 0x15, 0x11,
 771                        0x12, 0x13, 0x16, 0x17, 0x25, 0x21, 0x22, 0x23,
 772                        0x26, 0x27, 0x35, 0x31, 0x32, 0x33, 0x36, 0x37,
 773        },
 774};
 775
 776static struct sharpsl_nand_platform_data spitz_nand_pdata = {
 777        .badblock_pattern       = &spitz_nand_bbt,
 778        .partitions             = spitz_nand_partitions,
 779        .nr_partitions          = ARRAY_SIZE(spitz_nand_partitions),
 780};
 781
 782static struct resource spitz_nand_resources[] = {
 783        {
 784                .start  = PXA_CS3_PHYS,
 785                .end    = PXA_CS3_PHYS + SZ_4K - 1,
 786                .flags  = IORESOURCE_MEM,
 787        },
 788};
 789
 790static struct platform_device spitz_nand_device = {
 791        .name           = "sharpsl-nand",
 792        .id             = -1,
 793        .resource       = spitz_nand_resources,
 794        .num_resources  = ARRAY_SIZE(spitz_nand_resources),
 795        .dev            = {
 796                .platform_data  = &spitz_nand_pdata,
 797        }
 798};
 799
 800static void __init spitz_nand_init(void)
 801{
 802        if (machine_is_spitz()) {
 803                spitz_nand_partitions[1].size = 5 * 1024 * 1024;
 804        } else if (machine_is_akita()) {
 805                spitz_nand_partitions[1].size = 58 * 1024 * 1024;
 806                spitz_nand_bbt.len = 1;
 807                spitz_nand_pdata.ecc_layout = &akita_oobinfo;
 808        } else if (machine_is_borzoi()) {
 809                spitz_nand_partitions[1].size = 32 * 1024 * 1024;
 810                spitz_nand_bbt.len = 1;
 811                spitz_nand_pdata.ecc_layout = &akita_oobinfo;
 812        }
 813
 814        platform_device_register(&spitz_nand_device);
 815}
 816#else
 817static inline void spitz_nand_init(void) {}
 818#endif
 819
 820/******************************************************************************
 821 * NOR Flash
 822 ******************************************************************************/
 823#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 824static struct mtd_partition spitz_rom_parts[] = {
 825        {
 826                .name   ="Boot PROM Filesystem",
 827                .offset = 0x00140000,
 828                .size   = MTDPART_SIZ_FULL,
 829        },
 830};
 831
 832static struct physmap_flash_data spitz_rom_data = {
 833        .width          = 2,
 834        .nr_parts       = ARRAY_SIZE(spitz_rom_parts),
 835        .parts          = spitz_rom_parts,
 836};
 837
 838static struct resource spitz_rom_resources[] = {
 839        {
 840                .start  = PXA_CS0_PHYS,
 841                .end    = PXA_CS0_PHYS + SZ_8M - 1,
 842                .flags  = IORESOURCE_MEM,
 843        },
 844};
 845
 846static struct platform_device spitz_rom_device = {
 847        .name           = "physmap-flash",
 848        .id             = -1,
 849        .resource       = spitz_rom_resources,
 850        .num_resources  = ARRAY_SIZE(spitz_rom_resources),
 851        .dev            = {
 852                .platform_data  = &spitz_rom_data,
 853        },
 854};
 855
 856static void __init spitz_nor_init(void)
 857{
 858        platform_device_register(&spitz_rom_device);
 859}
 860#else
 861static inline void spitz_nor_init(void) {}
 862#endif
 863
 864/******************************************************************************
 865 * I2C devices
 866 ******************************************************************************/
 867#if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
 868static struct pca953x_platform_data akita_pca953x_pdata = {
 869        .gpio_base              = AKITA_IOEXP_GPIO_BASE,
 870};
 871
 872static struct i2c_board_info spitz_i2c_devs[] = {
 873        {
 874                .type           = "wm8750",
 875                .addr           = 0x1b,
 876        }, {
 877                .type           = "max7310",
 878                .addr           = 0x18,
 879                .platform_data  = &akita_pca953x_pdata,
 880        },
 881};
 882
 883static struct regulator_consumer_supply isl6271a_consumers[] = {
 884        REGULATOR_SUPPLY("vcc_core", NULL),
 885};
 886
 887static struct regulator_init_data isl6271a_info[] = {
 888        {
 889                .constraints = {
 890                        .name           = "vcc_core range",
 891                        .min_uV         = 850000,
 892                        .max_uV         = 1600000,
 893                        .always_on      = 1,
 894                        .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 895                },
 896        .consumer_supplies      = isl6271a_consumers,
 897        .num_consumer_supplies  = ARRAY_SIZE(isl6271a_consumers),
 898        }
 899};
 900
 901static struct i2c_board_info spitz_pi2c_devs[] = {
 902        {
 903                .type           = "isl6271a",
 904                .addr           = 0x0c,
 905                .platform_data  = &isl6271a_info,
 906        },
 907};
 908
 909static void __init spitz_i2c_init(void)
 910{
 911        int size = ARRAY_SIZE(spitz_i2c_devs);
 912
 913        /* Only Akita has the max7310 chip */
 914        if (!machine_is_akita())
 915                size--;
 916
 917        pxa_set_i2c_info(NULL);
 918        pxa27x_set_i2c_power_info(NULL);
 919        i2c_register_board_info(0, spitz_i2c_devs, size);
 920        i2c_register_board_info(1, ARRAY_AND_SIZE(spitz_pi2c_devs));
 921}
 922#else
 923static inline void spitz_i2c_init(void) {}
 924#endif
 925
 926/******************************************************************************
 927 * Audio devices
 928 ******************************************************************************/
 929static inline void spitz_audio_init(void)
 930{
 931        platform_device_register_simple("spitz-audio", -1, NULL, 0);
 932}
 933
 934/******************************************************************************
 935 * Machine init
 936 ******************************************************************************/
 937static void spitz_poweroff(void)
 938{
 939        pxa_restart(REBOOT_GPIO, NULL);
 940}
 941
 942static void spitz_restart(enum reboot_mode mode, const char *cmd)
 943{
 944        uint32_t msc0 = __raw_readl(MSC0);
 945        /* Bootloader magic for a reboot */
 946        if ((msc0 & 0xffff0000) == 0x7ff00000)
 947                __raw_writel((msc0 & 0xffff) | 0x7ee00000, MSC0);
 948
 949        spitz_poweroff();
 950}
 951
 952static void __init spitz_init(void)
 953{
 954        init_gpio_reset(SPITZ_GPIO_ON_RESET, 1, 0);
 955        pm_power_off = spitz_poweroff;
 956
 957        PMCR = 0x00;
 958
 959        /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
 960        PCFR |= PCFR_OPDE;
 961
 962        pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config));
 963
 964        pxa_set_ffuart_info(NULL);
 965        pxa_set_btuart_info(NULL);
 966        pxa_set_stuart_info(NULL);
 967
 968        spitz_spi_init();
 969        spitz_scoop_init();
 970        spitz_mkp_init();
 971        spitz_keys_init();
 972        spitz_leds_init();
 973        spitz_mmc_init();
 974        spitz_pcmcia_init();
 975        spitz_irda_init();
 976        spitz_uhc_init();
 977        spitz_lcd_init();
 978        spitz_nor_init();
 979        spitz_nand_init();
 980        spitz_i2c_init();
 981        spitz_audio_init();
 982
 983        regulator_has_full_constraints();
 984}
 985
 986static void __init spitz_fixup(struct tag *tags, char **cmdline)
 987{
 988        sharpsl_save_param();
 989        memblock_add(0xa0000000, SZ_64M);
 990}
 991
 992#ifdef CONFIG_MACH_SPITZ
 993MACHINE_START(SPITZ, "SHARP Spitz")
 994        .fixup          = spitz_fixup,
 995        .map_io         = pxa27x_map_io,
 996        .nr_irqs        = PXA_NR_IRQS,
 997        .init_irq       = pxa27x_init_irq,
 998        .handle_irq     = pxa27x_handle_irq,
 999        .init_machine   = spitz_init,
1000        .init_time      = pxa_timer_init,
1001        .restart        = spitz_restart,
1002MACHINE_END
1003#endif
1004
1005#ifdef CONFIG_MACH_BORZOI
1006MACHINE_START(BORZOI, "SHARP Borzoi")
1007        .fixup          = spitz_fixup,
1008        .map_io         = pxa27x_map_io,
1009        .nr_irqs        = PXA_NR_IRQS,
1010        .init_irq       = pxa27x_init_irq,
1011        .handle_irq     = pxa27x_handle_irq,
1012        .init_machine   = spitz_init,
1013        .init_time      = pxa_timer_init,
1014        .restart        = spitz_restart,
1015MACHINE_END
1016#endif
1017
1018#ifdef CONFIG_MACH_AKITA
1019MACHINE_START(AKITA, "SHARP Akita")
1020        .fixup          = spitz_fixup,
1021        .map_io         = pxa27x_map_io,
1022        .nr_irqs        = PXA_NR_IRQS,
1023        .init_irq       = pxa27x_init_irq,
1024        .handle_irq     = pxa27x_handle_irq,
1025        .init_machine   = spitz_init,
1026        .init_time      = pxa_timer_init,
1027        .restart        = spitz_restart,
1028MACHINE_END
1029#endif
1030