arch/arm/mach-pxa/spitz.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Support for Sharp SL-Cxx00 Series of PDAs
   4  * Models: SL-C3000 (Spitz), SL-C1000 (Akita) and SL-C3100 (Borzoi)
   5  *
   6  * Copyright (c) 2005 Richard Purdie
   7  *
   8  * Based on Sharp's 2.4 kernel patches/lubbock.c
   9  */
  10
  11 #include <linux/kernel.h>
  12 #include <linux/platform_device.h>
  13 #include <linux/delay.h>
  14 #include <linux/gpio_keys.h>
  15 #include <linux/gpio.h>
  16 #include <linux/gpio/machine.h>
  17 #include <linux/leds.h>
  18 #include <linux/i2c.h>
  19 #include <linux/platform_data/i2c-pxa.h>
  20 #include <linux/platform_data/pca953x.h>
  21 #include <linux/spi/spi.h>
  22 #include <linux/spi/ads7846.h>
  23 #include <linux/spi/corgi_lcd.h>
  24 #include <linux/spi/pxa2xx_spi.h>
  25 #include <linux/mtd/sharpsl.h>
  26 #include <linux/mtd/physmap.h>
  27 #include <linux/input-event-codes.h>
  28 #include <linux/input/matrix_keypad.h>
  29 #include <linux/regulator/machine.h>
  30 #include <linux/io.h>
  31 #include <linux/reboot.h>
  32 #include <linux/memblock.h>
  33
  34 #include <asm/setup.h>
  35 #include <asm/mach-types.h>
  36 #include <asm/mach/arch.h>
  37 #include <asm/mach/sharpsl_param.h>
  38 #include <asm/hardware/scoop.h>
  39
  40 #include "pxa27x.h"
  41 #include "pxa27x-udc.h"
  42 #include "reset.h"
  43 #include <linux/platform_data/mmc-pxamci.h>
  44 #include <linux/platform_data/usb-ohci-pxa27x.h>
  45 #include <linux/platform_data/video-pxafb.h>
  46 #include "spitz.h"
  47 #include "sharpsl_pm.h"
  48 #include "smemc.h"
  49
  50 #include "generic.h"
  51 #include "devices.h"
  52
  53 /******************************************************************************
  54  * Pin configuration
  55  ******************************************************************************/
  56 static unsigned long spitz_pin_config[] __initdata = {
  57         /* Chip Selects */
  58         GPIO78_nCS_2,   /* SCOOP #2 */
  59         GPIO79_nCS_3,   /* NAND */
  60         GPIO80_nCS_4,   /* SCOOP #1 */
  61
  62         /* LCD - 16bpp Active TFT */
  63         GPIOxx_LCD_TFT_16BPP,
  64
  65         /* PC Card */
  66         GPIO48_nPOE,
  67         GPIO49_nPWE,
  68         GPIO50_nPIOR,
  69         GPIO51_nPIOW,
  70         GPIO85_nPCE_1,
  71         GPIO54_nPCE_2,
  72         GPIO55_nPREG,
  73         GPIO56_nPWAIT,
  74         GPIO57_nIOIS16,
  75         GPIO104_PSKTSEL,
  76
  77         /* I2S */
  78         GPIO28_I2S_BITCLK_OUT,
  79         GPIO29_I2S_SDATA_IN,
  80         GPIO30_I2S_SDATA_OUT,
  81         GPIO31_I2S_SYNC,
  82
  83         /* MMC */
  84         GPIO32_MMC_CLK,
  85         GPIO112_MMC_CMD,
  86         GPIO92_MMC_DAT_0,
  87         GPIO109_MMC_DAT_1,
  88         GPIO110_MMC_DAT_2,
  89         GPIO111_MMC_DAT_3,
  90
  91         /* GPIOs */
  92         GPIO9_GPIO,     /* SPITZ_GPIO_nSD_DETECT */
  93         GPIO16_GPIO,    /* SPITZ_GPIO_SYNC */
  94         GPIO81_GPIO,    /* SPITZ_GPIO_nSD_WP */
  95         GPIO41_GPIO,    /* SPITZ_GPIO_USB_CONNECT */
  96         GPIO37_GPIO,    /* SPITZ_GPIO_USB_HOST */
  97         GPIO35_GPIO,    /* SPITZ_GPIO_USB_DEVICE */
  98         GPIO22_GPIO,    /* SPITZ_GPIO_HSYNC */
  99         GPIO94_GPIO,    /* SPITZ_GPIO_CF_CD */
 100         GPIO105_GPIO,   /* SPITZ_GPIO_CF_IRQ */
 101         GPIO106_GPIO,   /* SPITZ_GPIO_CF2_IRQ */
 102
 103         /* GPIO matrix keypad */
 104         GPIO88_GPIO,    /* column 0 */
 105         GPIO23_GPIO,    /* column 1 */
 106         GPIO24_GPIO,    /* column 2 */
 107         GPIO25_GPIO,    /* column 3 */
 108         GPIO26_GPIO,    /* column 4 */
 109         GPIO27_GPIO,    /* column 5 */
 110         GPIO52_GPIO,    /* column 6 */
 111         GPIO103_GPIO,   /* column 7 */
 112         GPIO107_GPIO,   /* column 8 */
 113         GPIO108_GPIO,   /* column 9 */
 114         GPIO114_GPIO,   /* column 10 */
 115         GPIO12_GPIO,    /* row 0 */
 116         GPIO17_GPIO,    /* row 1 */
 117         GPIO91_GPIO,    /* row 2 */
 118         GPIO34_GPIO,    /* row 3 */
 119         GPIO36_GPIO,    /* row 4 */
 120         GPIO38_GPIO,    /* row 5 */
 121         GPIO39_GPIO,    /* row 6 */
 122
 123         /* I2C */
 124         GPIO117_I2C_SCL,
 125         GPIO118_I2C_SDA,
 126
 127         GPIO0_GPIO | WAKEUP_ON_EDGE_RISE,       /* SPITZ_GPIO_KEY_INT */
 128         GPIO1_GPIO | WAKEUP_ON_EDGE_FALL,       /* SPITZ_GPIO_RESET */
 129 };
 130
 131
 132 /******************************************************************************
 133  * Scoop GPIO expander
 134  ******************************************************************************/
 135 #if defined(CONFIG_SHARP_SCOOP) || defined(CONFIG_SHARP_SCOOP_MODULE)
 136 /* SCOOP Device #1 */
 137 static struct resource spitz_scoop_1_resources[] = {
 138         [0] = {
 139                 .start          = 0x10800000,
 140                 .end            = 0x10800fff,
 141                 .flags          = IORESOURCE_MEM,
 142         },
 143 };
 144
 145 static struct scoop_config spitz_scoop_1_setup = {
 146         .io_dir         = SPITZ_SCP_IO_DIR,
 147         .io_out         = SPITZ_SCP_IO_OUT,
 148         .suspend_clr    = SPITZ_SCP_SUS_CLR,
 149         .suspend_set    = SPITZ_SCP_SUS_SET,
 150         .gpio_base      = SPITZ_SCP_GPIO_BASE,
 151 };
 152
 153 struct platform_device spitz_scoop_1_device = {
 154         .name           = "sharp-scoop",
 155         .id             = 0,
 156         .dev            = {
 157                 .platform_data  = &spitz_scoop_1_setup,
 158         },
 159         .num_resources  = ARRAY_SIZE(spitz_scoop_1_resources),
 160         .resource       = spitz_scoop_1_resources,
 161 };
 162
 163 /* SCOOP Device #2 */
 164 static struct resource spitz_scoop_2_resources[] = {
 165         [0] = {
 166                 .start          = 0x08800040,
 167                 .end            = 0x08800fff,
 168                 .flags          = IORESOURCE_MEM,
 169         },
 170 };
 171
 172 static struct scoop_config spitz_scoop_2_setup = {
 173         .io_dir         = SPITZ_SCP2_IO_DIR,
 174         .io_out         = SPITZ_SCP2_IO_OUT,
 175         .suspend_clr    = SPITZ_SCP2_SUS_CLR,
 176         .suspend_set    = SPITZ_SCP2_SUS_SET,
 177         .gpio_base      = SPITZ_SCP2_GPIO_BASE,
 178 };
 179
 180 struct platform_device spitz_scoop_2_device = {
 181         .name           = "sharp-scoop",
 182         .id             = 1,
 183         .dev            = {
 184                 .platform_data  = &spitz_scoop_2_setup,
 185         },
 186         .num_resources  = ARRAY_SIZE(spitz_scoop_2_resources),
 187         .resource       = spitz_scoop_2_resources,
 188 };
 189
 190 static void __init spitz_scoop_init(void)
 191 {
 192         platform_device_register(&spitz_scoop_1_device);
 193
 194         /* Akita doesn't have the second SCOOP chip */
 195         if (!machine_is_akita())
 196                 platform_device_register(&spitz_scoop_2_device);
 197 }
 198
 199 /* Power control is shared with between one of the CF slots and SD */
 200 static void __maybe_unused spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr)
 201 {
 202         unsigned short cpr;
 203         unsigned long flags;
 204
 205         if (new_cpr & 0x7) {
 206                 gpio_set_value(SPITZ_GPIO_CF_POWER, 1);
 207                 mdelay(5);
 208         }
 209
 210         local_irq_save(flags);
 211
 212         cpr = read_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR);
 213
 214         if (enable & new_cpr)
 215                 cpr |= new_cpr;
 216         else
 217                 cpr &= ~enable;
 218
 219         write_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR, cpr);
 220
 221         local_irq_restore(flags);
 222
 223         if (!(cpr & 0x7)) {
 224                 mdelay(1);
 225                 gpio_set_value(SPITZ_GPIO_CF_POWER, 0);
 226         }
 227 }
 228
 229 #else
 230 static inline void spitz_scoop_init(void) {}
 231 static inline void spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr) {}
 232 #endif
 233
 234 /******************************************************************************
 235  * PCMCIA
 236  ******************************************************************************/
 237 #if defined(CONFIG_PCMCIA_PXA2XX) || defined(CONFIG_PCMCIA_PXA2XX_MODULE)
 238 static void spitz_pcmcia_pwr(struct device *scoop, uint16_t cpr, int nr)
 239 {
 240         /* Only need to override behaviour for slot 0 */
 241         if (nr == 0)
 242                 spitz_card_pwr_ctrl(
 243                         cpr & (SCOOP_CPR_CF_3V | SCOOP_CPR_CF_XV), cpr);
 244         else
 245                 write_scoop_reg(scoop, SCOOP_CPR, cpr);
 246 }
 247
 248 static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
 249         {
 250                 .dev            = &spitz_scoop_1_device.dev,
 251                 .irq            = SPITZ_IRQ_GPIO_CF_IRQ,
 252                 .cd_irq         = SPITZ_IRQ_GPIO_CF_CD,
 253                 .cd_irq_str     = "PCMCIA0 CD",
 254         }, {
 255                 .dev            = &spitz_scoop_2_device.dev,
 256                 .irq            = SPITZ_IRQ_GPIO_CF2_IRQ,
 257                 .cd_irq         = -1,
 258         },
 259 };
 260
 261 static struct scoop_pcmcia_config spitz_pcmcia_config = {
 262         .devs           = &spitz_pcmcia_scoop[0],
 263         .num_devs       = 2,
 264         .power_ctrl     = spitz_pcmcia_pwr,
 265 };
 266
 267 static void __init spitz_pcmcia_init(void)
 268 {
 269         /* Akita has only one PCMCIA slot used */
 270         if (machine_is_akita())
 271                 spitz_pcmcia_config.num_devs = 1;
 272
 273         platform_scoop_config = &spitz_pcmcia_config;
 274 }
 275 #else
 276 static inline void spitz_pcmcia_init(void) {}
 277 #endif
 278
 279 /******************************************************************************
 280  * GPIO keyboard
 281  ******************************************************************************/
 282 #if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE)
 283
 284 #define SPITZ_KEY_CALENDAR      KEY_F1
 285 #define SPITZ_KEY_ADDRESS       KEY_F2
 286 #define SPITZ_KEY_FN            KEY_F3
 287 #define SPITZ_KEY_CANCEL        KEY_F4
 288 #define SPITZ_KEY_EXOK          KEY_F5
 289 #define SPITZ_KEY_EXCANCEL      KEY_F6
 290 #define SPITZ_KEY_EXJOGDOWN     KEY_F7
 291 #define SPITZ_KEY_EXJOGUP       KEY_F8
 292 #define SPITZ_KEY_JAP1          KEY_LEFTALT
 293 #define SPITZ_KEY_JAP2          KEY_RIGHTCTRL
 294 #define SPITZ_KEY_SYNC          KEY_F9
 295 #define SPITZ_KEY_MAIL          KEY_F10
 296 #define SPITZ_KEY_OK            KEY_F11
 297 #define SPITZ_KEY_MENU          KEY_F12
 298
 299 static const uint32_t spitz_keymap[] = {
 300         KEY(0, 0, KEY_LEFTCTRL),
 301         KEY(0, 1, KEY_1),
 302         KEY(0, 2, KEY_3),
 303         KEY(0, 3, KEY_5),
 304         KEY(0, 4, KEY_6),
 305         KEY(0, 5, KEY_7),
 306         KEY(0, 6, KEY_9),
 307         KEY(0, 7, KEY_0),
 308         KEY(0, 8, KEY_BACKSPACE),
 309         KEY(0, 9, SPITZ_KEY_EXOK),      /* EXOK */
 310         KEY(0, 10, SPITZ_KEY_EXCANCEL), /* EXCANCEL */
 311         KEY(1, 1, KEY_2),
 312         KEY(1, 2, KEY_4),
 313         KEY(1, 3, KEY_R),
 314         KEY(1, 4, KEY_Y),
 315         KEY(1, 5, KEY_8),
 316         KEY(1, 6, KEY_I),
 317         KEY(1, 7, KEY_O),
 318         KEY(1, 8, KEY_P),
 319         KEY(1, 9, SPITZ_KEY_EXJOGDOWN), /* EXJOGDOWN */
 320         KEY(1, 10, SPITZ_KEY_EXJOGUP),  /* EXJOGUP */
 321         KEY(2, 0, KEY_TAB),
 322         KEY(2, 1, KEY_Q),
 323         KEY(2, 2, KEY_E),
 324         KEY(2, 3, KEY_T),
 325         KEY(2, 4, KEY_G),
 326         KEY(2, 5, KEY_U),
 327         KEY(2, 6, KEY_J),
 328         KEY(2, 7, KEY_K),
 329         KEY(3, 0, SPITZ_KEY_ADDRESS),   /* ADDRESS */
 330         KEY(3, 1, KEY_W),
 331         KEY(3, 2, KEY_S),
 332         KEY(3, 3, KEY_F),
 333         KEY(3, 4, KEY_V),
 334         KEY(3, 5, KEY_H),
 335         KEY(3, 6, KEY_M),
 336         KEY(3, 7, KEY_L),
 337         KEY(3, 9, KEY_RIGHTSHIFT),
 338         KEY(4, 0, SPITZ_KEY_CALENDAR),  /* CALENDAR */
 339         KEY(4, 1, KEY_A),
 340         KEY(4, 2, KEY_D),
 341         KEY(4, 3, KEY_C),
 342         KEY(4, 4, KEY_B),
 343         KEY(4, 5, KEY_N),
 344         KEY(4, 6, KEY_DOT),
 345         KEY(4, 8, KEY_ENTER),
 346         KEY(4, 9, KEY_LEFTSHIFT),
 347         KEY(5, 0, SPITZ_KEY_MAIL),      /* MAIL */
 348         KEY(5, 1, KEY_Z),
 349         KEY(5, 2, KEY_X),
 350         KEY(5, 3, KEY_MINUS),
 351         KEY(5, 4, KEY_SPACE),
 352         KEY(5, 5, KEY_COMMA),
 353         KEY(5, 7, KEY_UP),
 354         KEY(5, 10, SPITZ_KEY_FN),       /* FN */
 355         KEY(6, 0, KEY_SYSRQ),
 356         KEY(6, 1, SPITZ_KEY_JAP1),      /* JAP1 */
 357         KEY(6, 2, SPITZ_KEY_JAP2),      /* JAP2 */
 358         KEY(6, 3, SPITZ_KEY_CANCEL),    /* CANCEL */
 359         KEY(6, 4, SPITZ_KEY_OK),        /* OK */
 360         KEY(6, 5, SPITZ_KEY_MENU),      /* MENU */
 361         KEY(6, 6, KEY_LEFT),
 362         KEY(6, 7, KEY_DOWN),
 363         KEY(6, 8, KEY_RIGHT),
 364 };
 365
 366 static const struct matrix_keymap_data spitz_keymap_data = {
 367         .keymap         = spitz_keymap,
 368         .keymap_size    = ARRAY_SIZE(spitz_keymap),
 369 };
 370
 371 static const uint32_t spitz_row_gpios[] =
 372                 { 12, 17, 91, 34, 36, 38, 39 };
 373 static const uint32_t spitz_col_gpios[] =
 374                 { 88, 23, 24, 25, 26, 27, 52, 103, 107, 108, 114 };
 375
 376 static struct matrix_keypad_platform_data spitz_mkp_pdata = {
 377         .keymap_data            = &spitz_keymap_data,
 378         .row_gpios              = spitz_row_gpios,
 379         .col_gpios              = spitz_col_gpios,
 380         .num_row_gpios          = ARRAY_SIZE(spitz_row_gpios),
 381         .num_col_gpios          = ARRAY_SIZE(spitz_col_gpios),
 382         .col_scan_delay_us      = 10,
 383         .debounce_ms            = 10,
 384         .wakeup                 = 1,
 385 };
 386
 387 static struct platform_device spitz_mkp_device = {
 388         .name           = "matrix-keypad",
 389         .id             = -1,
 390         .dev            = {
 391                 .platform_data  = &spitz_mkp_pdata,
 392         },
 393 };
 394
 395 static void __init spitz_mkp_init(void)
 396 {
 397         platform_device_register(&spitz_mkp_device);
 398 }
 399 #else
 400 static inline void spitz_mkp_init(void) {}
 401 #endif
 402
 403 /******************************************************************************
 404  * GPIO keys
 405  ******************************************************************************/
 406 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 407 static struct gpio_keys_button spitz_gpio_keys[] = {
 408         {
 409                 .type   = EV_PWR,
 410                 .code   = KEY_SUSPEND,
 411                 .gpio   = SPITZ_GPIO_ON_KEY,
 412                 .desc   = "On Off",
 413                 .wakeup = 1,
 414         },
 415         /* Two buttons detecting the lid state */
 416         {
 417                 .type   = EV_SW,
 418                 .code   = 0,
 419                 .gpio   = SPITZ_GPIO_SWA,
 420                 .desc   = "Display Down",
 421         },
 422         {
 423                 .type   = EV_SW,
 424                 .code   = 1,
 425                 .gpio   = SPITZ_GPIO_SWB,
 426                 .desc   = "Lid Closed",
 427         },
 428 };
 429
 430 static struct gpio_keys_platform_data spitz_gpio_keys_platform_data = {
 431         .buttons        = spitz_gpio_keys,
 432         .nbuttons       = ARRAY_SIZE(spitz_gpio_keys),
 433 };
 434
 435 static struct platform_device spitz_gpio_keys_device = {
 436         .name   = "gpio-keys",
 437         .id     = -1,
 438         .dev    = {
 439                 .platform_data  = &spitz_gpio_keys_platform_data,
 440         },
 441 };
 442
 443 static void __init spitz_keys_init(void)
 444 {
 445         platform_device_register(&spitz_gpio_keys_device);
 446 }
 447 #else
 448 static inline void spitz_keys_init(void) {}
 449 #endif
 450
 451 /******************************************************************************
 452  * LEDs
 453  ******************************************************************************/
 454 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 455 static struct gpio_led spitz_gpio_leds[] = {
 456         {
 457                 .name                   = "spitz:amber:charge",
 458                 .default_trigger        = "sharpsl-charge",
 459                 .gpio                   = SPITZ_GPIO_LED_ORANGE,
 460         },
 461         {
 462                 .name                   = "spitz:green:hddactivity",
 463                 .default_trigger        = "disk-activity",
 464                 .gpio                   = SPITZ_GPIO_LED_GREEN,
 465         },
 466 };
 467
 468 static struct gpio_led_platform_data spitz_gpio_leds_info = {
 469         .leds           = spitz_gpio_leds,
 470         .num_leds       = ARRAY_SIZE(spitz_gpio_leds),
 471 };
 472
 473 static struct platform_device spitz_led_device = {
 474         .name           = "leds-gpio",
 475         .id             = -1,
 476         .dev            = {
 477                 .platform_data  = &spitz_gpio_leds_info,
 478         },
 479 };
 480
 481 static void __init spitz_leds_init(void)
 482 {
 483         platform_device_register(&spitz_led_device);
 484 }
 485 #else
 486 static inline void spitz_leds_init(void) {}
 487 #endif
 488
 489 /******************************************************************************
 490  * SSP Devices
 491  ******************************************************************************/
 492 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
 493 static void spitz_ads7846_wait_for_hsync(void)
 494 {
 495         while (gpio_get_value(SPITZ_GPIO_HSYNC))
 496                 cpu_relax();
 497
 498         while (!gpio_get_value(SPITZ_GPIO_HSYNC))
 499                 cpu_relax();
 500 }
 501
 502 static struct ads7846_platform_data spitz_ads7846_info = {
 503         .model                  = 7846,
 504         .vref_delay_usecs       = 100,
 505         .x_plate_ohms           = 419,
 506         .y_plate_ohms           = 486,
 507         .pressure_max           = 1024,
 508         .wait_for_sync          = spitz_ads7846_wait_for_hsync,
 509 };
 510
 511 static struct gpiod_lookup_table spitz_ads7846_gpio_table = {
 512         .dev_id = "spi2.0",
 513         .table = {
 514                 GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_TP_INT,
 515                             "pendown", GPIO_ACTIVE_LOW),
 516                 { }
 517         },
 518 };
 519
 520 static struct gpiod_lookup_table spitz_lcdcon_gpio_table = {
 521         .dev_id = "spi2.1",
 522         .table = {
 523                 GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_BACKLIGHT_CONT,
 524                             "BL_CONT", GPIO_ACTIVE_LOW),
 525                 GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_BACKLIGHT_ON,
 526                             "BL_ON", GPIO_ACTIVE_HIGH),
 527                 { },
 528         },
 529 };
 530
 531 static struct gpiod_lookup_table akita_lcdcon_gpio_table = {
 532         .dev_id = "spi2.1",
 533         .table = {
 534                 GPIO_LOOKUP("gpio-pxa", AKITA_GPIO_BACKLIGHT_CONT,
 535                             "BL_CONT", GPIO_ACTIVE_LOW),
 536                 GPIO_LOOKUP("gpio-pxa", AKITA_GPIO_BACKLIGHT_ON,
 537                             "BL_ON", GPIO_ACTIVE_HIGH),
 538                 { },
 539         },
 540 };
 541
 542 static struct corgi_lcd_platform_data spitz_lcdcon_info = {
 543         .init_mode              = CORGI_LCD_MODE_VGA,
 544         .max_intensity          = 0x2f,
 545         .default_intensity      = 0x1f,
 546         .limit_mask             = 0x0b,
 547         .kick_battery           = sharpsl_battery_kick,
 548 };
 549
 550 static struct spi_board_info spitz_spi_devices[] = {
 551         {
 552                 .modalias               = "ads7846",
 553                 .max_speed_hz           = 1200000,
 554                 .bus_num                = 2,
 555                 .chip_select            = 0,
 556                 .platform_data          = &spitz_ads7846_info,
 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         }, {
 565                 .modalias               = "max1111",
 566                 .max_speed_hz           = 450000,
 567                 .bus_num                = 2,
 568                 .chip_select            = 2,
 569         },
 570 };
 571
 572 static struct pxa2xx_spi_controller spitz_spi_info = {
 573         .num_chipselect = 3,
 574 };
 575
 576 static struct gpiod_lookup_table spitz_spi_gpio_table = {
 577         .dev_id = "spi2",
 578         .table = {
 579                 GPIO_LOOKUP_IDX("gpio-pxa", SPITZ_GPIO_ADS7846_CS, "cs", 0, GPIO_ACTIVE_LOW),
 580                 GPIO_LOOKUP_IDX("gpio-pxa", SPITZ_GPIO_LCDCON_CS, "cs", 1, GPIO_ACTIVE_LOW),
 581                 GPIO_LOOKUP_IDX("gpio-pxa", SPITZ_GPIO_MAX1111_CS, "cs", 2, GPIO_ACTIVE_LOW),
 582                 { },
 583         },
 584 };
 585
 586 static void __init spitz_spi_init(void)
 587 {
 588         if (machine_is_akita())
 589                 gpiod_add_lookup_table(&akita_lcdcon_gpio_table);
 590         else
 591                 gpiod_add_lookup_table(&spitz_lcdcon_gpio_table);
 592
 593         gpiod_add_lookup_table(&spitz_ads7846_gpio_table);
 594         gpiod_add_lookup_table(&spitz_spi_gpio_table);
 595         pxa2xx_set_spi_info(2, &spitz_spi_info);
 596         spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices));
 597 }
 598 #else
 599 static inline void spitz_spi_init(void) {}
 600 #endif
 601
 602 /******************************************************************************
 603  * SD/MMC card controller
 604  ******************************************************************************/
 605 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
 606 /*
 607  * NOTE: The card detect interrupt isn't debounced so we delay it by 250ms to
 608  * give the card a chance to fully insert/eject.
 609  */
 610 static int spitz_mci_setpower(struct device *dev, unsigned int vdd)
 611 {
 612         struct pxamci_platform_data* p_d = dev->platform_data;
 613
 614         if ((1 << vdd) & p_d->ocr_mask)
 615                 spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, SCOOP_CPR_SD_3V);
 616         else
 617                 spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, 0x0);
 618
 619         return 0;
 620 }
 621
 622 static struct pxamci_platform_data spitz_mci_platform_data = {
 623         .detect_delay_ms        = 250,
 624         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 625         .setpower               = spitz_mci_setpower,
 626 };
 627
 628 static struct gpiod_lookup_table spitz_mci_gpio_table = {
 629         .dev_id = "pxa2xx-mci.0",
 630         .table = {
 631                 GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_nSD_DETECT,
 632                             "cd", GPIO_ACTIVE_LOW),
 633                 GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_nSD_WP,
 634                             "wp", GPIO_ACTIVE_LOW),
 635                 { },
 636         },
 637 };
 638
 639 static void __init spitz_mmc_init(void)
 640 {
 641         gpiod_add_lookup_table(&spitz_mci_gpio_table);
 642         pxa_set_mci_info(&spitz_mci_platform_data);
 643 }
 644 #else
 645 static inline void spitz_mmc_init(void) {}
 646 #endif
 647
 648 /******************************************************************************
 649  * USB Host
 650  ******************************************************************************/
 651 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 652 static int spitz_ohci_init(struct device *dev)
 653 {
 654         int err;
 655
 656         err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST");
 657         if (err)
 658                 return err;
 659
 660         /* Only Port 2 is connected, setup USB Port 2 Output Control Register */
 661         UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
 662
 663         return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1);
 664 }
 665
 666 static void spitz_ohci_exit(struct device *dev)
 667 {
 668         gpio_free(SPITZ_GPIO_USB_HOST);
 669 }
 670
 671 static struct pxaohci_platform_data spitz_ohci_platform_data = {
 672         .port_mode      = PMM_NPS_MODE,
 673         .init           = spitz_ohci_init,
 674         .exit           = spitz_ohci_exit,
 675         .flags          = ENABLE_PORT_ALL | NO_OC_PROTECTION,
 676         .power_budget   = 150,
 677 };
 678
 679 static void __init spitz_uhc_init(void)
 680 {
 681         pxa_set_ohci_info(&spitz_ohci_platform_data);
 682 }
 683 #else
 684 static inline void spitz_uhc_init(void) {}
 685 #endif
 686
 687 /******************************************************************************
 688  * Framebuffer
 689  ******************************************************************************/
 690 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 691 static 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
 719 static 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
 726 static void __init spitz_lcd_init(void)
 727 {
 728         pxa_set_fb_info(NULL, &spitz_pxafb_info);
 729 }
 730 #else
 731 static inline void spitz_lcd_init(void) {}
 732 #endif
 733
 734 /******************************************************************************
 735  * NAND Flash
 736  ******************************************************************************/
 737 #if defined(CONFIG_MTD_NAND_SHARPSL) || defined(CONFIG_MTD_NAND_SHARPSL_MODULE)
 738 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
 739
 740 static struct nand_bbt_descr spitz_nand_bbt = {
 741         .options        = 0,
 742         .offs           = 4,
 743         .len            = 2,
 744         .pattern        = scan_ff_pattern
 745 };
 746
 747 static int akita_ooblayout_ecc(struct mtd_info *mtd, int section,
 748                                struct mtd_oob_region *oobregion)
 749 {
 750         if (section > 12)
 751                 return -ERANGE;
 752
 753         switch (section % 3) {
 754         case 0:
 755                 oobregion->offset = 5;
 756                 oobregion->length = 1;
 757                 break;
 758
 759         case 1:
 760                 oobregion->offset = 1;
 761                 oobregion->length = 3;
 762                 break;
 763
 764         case 2:
 765                 oobregion->offset = 6;
 766                 oobregion->length = 2;
 767                 break;
 768         }
 769
 770         oobregion->offset += (section / 3) * 0x10;
 771
 772         return 0;
 773 }
 774
 775 static int akita_ooblayout_free(struct mtd_info *mtd, int section,
 776                                 struct mtd_oob_region *oobregion)
 777 {
 778         if (section)
 779                 return -ERANGE;
 780
 781         oobregion->offset = 8;
 782         oobregion->length = 9;
 783
 784         return 0;
 785 }
 786
 787 static const struct mtd_ooblayout_ops akita_ooblayout_ops = {
 788         .ecc = akita_ooblayout_ecc,
 789         .free = akita_ooblayout_free,
 790 };
 791
 792 static const char * const probes[] = {
 793         "cmdlinepart",
 794         "ofpart",
 795         "sharpslpart",
 796         NULL,
 797 };
 798
 799 static struct sharpsl_nand_platform_data spitz_nand_pdata = {
 800         .badblock_pattern       = &spitz_nand_bbt,
 801         .part_parsers           = probes,
 802 };
 803
 804 static struct resource spitz_nand_resources[] = {
 805         {
 806                 .start  = PXA_CS3_PHYS,
 807                 .end    = PXA_CS3_PHYS + SZ_4K - 1,
 808                 .flags  = IORESOURCE_MEM,
 809         },
 810 };
 811
 812 static struct platform_device spitz_nand_device = {
 813         .name           = "sharpsl-nand",
 814         .id             = -1,
 815         .resource       = spitz_nand_resources,
 816         .num_resources  = ARRAY_SIZE(spitz_nand_resources),
 817         .dev            = {
 818                 .platform_data  = &spitz_nand_pdata,
 819         }
 820 };
 821
 822 static void __init spitz_nand_init(void)
 823 {
 824         if (machine_is_akita() || machine_is_borzoi()) {
 825                 spitz_nand_bbt.len = 1;
 826                 spitz_nand_pdata.ecc_layout = &akita_ooblayout_ops;
 827         }
 828
 829         platform_device_register(&spitz_nand_device);
 830 }
 831 #else
 832 static inline void spitz_nand_init(void) {}
 833 #endif
 834
 835 /******************************************************************************
 836  * NOR Flash
 837  ******************************************************************************/
 838 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 839 static struct mtd_partition spitz_rom_parts[] = {
 840         {
 841                 .name   ="Boot PROM Filesystem",
 842                 .offset = 0x00140000,
 843                 .size   = MTDPART_SIZ_FULL,
 844         },
 845 };
 846
 847 static struct physmap_flash_data spitz_rom_data = {
 848         .width          = 2,
 849         .nr_parts       = ARRAY_SIZE(spitz_rom_parts),
 850         .parts          = spitz_rom_parts,
 851 };
 852
 853 static struct resource spitz_rom_resources[] = {
 854         {
 855                 .start  = PXA_CS0_PHYS,
 856                 .end    = PXA_CS0_PHYS + SZ_8M - 1,
 857                 .flags  = IORESOURCE_MEM,
 858         },
 859 };
 860
 861 static struct platform_device spitz_rom_device = {
 862         .name           = "physmap-flash",
 863         .id             = -1,
 864         .resource       = spitz_rom_resources,
 865         .num_resources  = ARRAY_SIZE(spitz_rom_resources),
 866         .dev            = {
 867                 .platform_data  = &spitz_rom_data,
 868         },
 869 };
 870
 871 static void __init spitz_nor_init(void)
 872 {
 873         platform_device_register(&spitz_rom_device);
 874 }
 875 #else
 876 static inline void spitz_nor_init(void) {}
 877 #endif
 878
 879 /******************************************************************************
 880  * I2C devices
 881  ******************************************************************************/
 882 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
 883 static struct pca953x_platform_data akita_pca953x_pdata = {
 884         .gpio_base              = AKITA_IOEXP_GPIO_BASE,
 885 };
 886
 887 static struct i2c_board_info spitz_i2c_devs[] = {
 888         {
 889                 .type           = "wm8750",
 890                 .addr           = 0x1b,
 891         }, {
 892                 .type           = "max7310",
 893                 .addr           = 0x18,
 894                 .platform_data  = &akita_pca953x_pdata,
 895         },
 896 };
 897
 898 static struct regulator_consumer_supply isl6271a_consumers[] = {
 899         REGULATOR_SUPPLY("vcc_core", NULL),
 900 };
 901
 902 static struct regulator_init_data isl6271a_info[] = {
 903         {
 904                 .constraints = {
 905                         .name           = "vcc_core range",
 906                         .min_uV         = 850000,
 907                         .max_uV         = 1600000,
 908                         .always_on      = 1,
 909                         .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 910                 },
 911         .consumer_supplies      = isl6271a_consumers,
 912         .num_consumer_supplies  = ARRAY_SIZE(isl6271a_consumers),
 913         }
 914 };
 915
 916 static struct i2c_board_info spitz_pi2c_devs[] = {
 917         {
 918                 .type           = "isl6271a",
 919                 .addr           = 0x0c,
 920                 .platform_data  = &isl6271a_info,
 921         },
 922 };
 923
 924 static void __init spitz_i2c_init(void)
 925 {
 926         int size = ARRAY_SIZE(spitz_i2c_devs);
 927
 928         /* Only Akita has the max7310 chip */
 929         if (!machine_is_akita())
 930                 size--;
 931
 932         pxa_set_i2c_info(NULL);
 933         pxa27x_set_i2c_power_info(NULL);
 934         i2c_register_board_info(0, spitz_i2c_devs, size);
 935         i2c_register_board_info(1, ARRAY_AND_SIZE(spitz_pi2c_devs));
 936 }
 937 #else
 938 static inline void spitz_i2c_init(void) {}
 939 #endif
 940
 941 static struct gpiod_lookup_table spitz_audio_gpio_table = {
 942         .dev_id = "spitz-audio",
 943         .table = {
 944                 GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_L - SPITZ_SCP_GPIO_BASE,
 945                             "mute-l", GPIO_ACTIVE_HIGH),
 946                 GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_R - SPITZ_SCP_GPIO_BASE,
 947                             "mute-r", GPIO_ACTIVE_HIGH),
 948                 GPIO_LOOKUP("sharp-scoop.1", SPITZ_GPIO_MIC_BIAS - SPITZ_SCP2_GPIO_BASE,
 949                             "mic", GPIO_ACTIVE_HIGH),
 950                 { },
 951         },
 952 };
 953
 954 static struct gpiod_lookup_table akita_audio_gpio_table = {
 955         .dev_id = "spitz-audio",
 956         .table = {
 957                 GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_L - SPITZ_SCP_GPIO_BASE,
 958                             "mute-l", GPIO_ACTIVE_HIGH),
 959                 GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_R - SPITZ_SCP_GPIO_BASE,
 960                             "mute-r", GPIO_ACTIVE_HIGH),
 961                 GPIO_LOOKUP("i2c-max7310", AKITA_GPIO_MIC_BIAS - AKITA_IOEXP_GPIO_BASE,
 962                             "mic", GPIO_ACTIVE_HIGH),
 963                 { },
 964         },
 965 };
 966
 967 /******************************************************************************
 968  * Audio devices
 969  ******************************************************************************/
 970 static inline void spitz_audio_init(void)
 971 {
 972         if (machine_is_akita())
 973                 gpiod_add_lookup_table(&akita_audio_gpio_table);
 974         else
 975                 gpiod_add_lookup_table(&spitz_audio_gpio_table);
 976
 977         platform_device_register_simple("spitz-audio", -1, NULL, 0);
 978 }
 979
 980 /******************************************************************************
 981  * Machine init
 982  ******************************************************************************/
 983 static void spitz_poweroff(void)
 984 {
 985         pxa_restart(REBOOT_GPIO, NULL);
 986 }
 987
 988 static void spitz_restart(enum reboot_mode mode, const char *cmd)
 989 {
 990         uint32_t msc0 = __raw_readl(MSC0);
 991         /* Bootloader magic for a reboot */
 992         if ((msc0 & 0xffff0000) == 0x7ff00000)
 993                 __raw_writel((msc0 & 0xffff) | 0x7ee00000, MSC0);
 994
 995         spitz_poweroff();
 996 }
 997
 998 static void __init spitz_init(void)
 999 {
1000         init_gpio_reset(SPITZ_GPIO_ON_RESET, 1, 0);
1001         pm_power_off = spitz_poweroff;
1002
1003         PMCR = 0x00;
1004
1005         /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
1006         PCFR |= PCFR_OPDE;
1007
1008         pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config));
1009
1010         pxa_set_ffuart_info(NULL);
1011         pxa_set_btuart_info(NULL);
1012         pxa_set_stuart_info(NULL);
1013
1014         spitz_spi_init();
1015         spitz_scoop_init();
1016         spitz_mkp_init();
1017         spitz_keys_init();
1018         spitz_leds_init();
1019         spitz_mmc_init();
1020         spitz_pcmcia_init();
1021         spitz_uhc_init();
1022         spitz_lcd_init();
1023         spitz_nor_init();
1024         spitz_nand_init();
1025         spitz_i2c_init();
1026         spitz_audio_init();
1027
1028         regulator_has_full_constraints();
1029 }
1030
1031 static void __init spitz_fixup(struct tag *tags, char **cmdline)
1032 {
1033         sharpsl_save_param();
1034         memblock_add(0xa0000000, SZ_64M);
1035 }
1036
1037 #ifdef CONFIG_MACH_SPITZ
1038 MACHINE_START(SPITZ, "SHARP Spitz")
1039         .fixup          = spitz_fixup,
1040         .map_io         = pxa27x_map_io,
1041         .nr_irqs        = PXA_NR_IRQS,
1042         .init_irq       = pxa27x_init_irq,
1043         .init_machine   = spitz_init,
1044         .init_time      = pxa_timer_init,
1045         .restart        = spitz_restart,
1046 MACHINE_END
1047 #endif
1048
1049 #ifdef CONFIG_MACH_BORZOI
1050 MACHINE_START(BORZOI, "SHARP Borzoi")
1051         .fixup          = spitz_fixup,
1052         .map_io         = pxa27x_map_io,
1053         .nr_irqs        = PXA_NR_IRQS,
1054         .init_irq       = pxa27x_init_irq,
1055         .init_machine   = spitz_init,
1056         .init_time      = pxa_timer_init,
1057         .restart        = spitz_restart,
1058 MACHINE_END
1059 #endif
1060
1061 #ifdef CONFIG_MACH_AKITA
1062 MACHINE_START(AKITA, "SHARP Akita")
1063         .fixup          = spitz_fixup,
1064         .map_io         = pxa27x_map_io,
1065         .nr_irqs        = PXA_NR_IRQS,
1066         .init_irq       = pxa27x_init_irq,
1067         .init_machine   = spitz_init,
1068         .init_time      = pxa_timer_init,
1069         .restart        = spitz_restart,
1070 MACHINE_END
1071 #endif