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/module.h>       /* symbol_get ; symbol_put */
  13 #include <linux/platform_device.h>
  14 #include <linux/delay.h>
  15 #include <linux/gpio_keys.h>
  16 #include <linux/gpio.h>
  17 #include <linux/gpio/machine.h>
  18 #include <linux/leds.h>
  19 #include <linux/i2c.h>
  20 #include <linux/platform_data/i2c-pxa.h>
  21 #include <linux/platform_data/pca953x.h>
  22 #include <linux/spi/spi.h>
  23 #include <linux/spi/ads7846.h>
  24 #include <linux/spi/corgi_lcd.h>
  25 #include <linux/spi/pxa2xx_spi.h>
  26 #include <linux/mtd/sharpsl.h>
  27 #include <linux/mtd/physmap.h>
  28 #include <linux/input-event-codes.h>
  29 #include <linux/input/matrix_keypad.h>
  30 #include <linux/regulator/machine.h>
  31 #include <linux/io.h>
  32 #include <linux/reboot.h>
  33 #include <linux/memblock.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 "pxa27x.h"
  42 #include "pxa27x-udc.h"
  43 #include "reset.h"
  44 #include <linux/platform_data/mmc-pxamci.h>
  45 #include <linux/platform_data/usb-ohci-pxa27x.h>
  46 #include <linux/platform_data/video-pxafb.h>
  47 #include "spitz.h"
  48 #include "sharpsl_pm.h"
  49 #include "smemc.h"
  50
  51 #include "generic.h"
  52 #include "devices.h"
  53
  54 /******************************************************************************
  55  * Pin configuration
  56  ******************************************************************************/
  57 static unsigned long spitz_pin_config[] __initdata = {
  58         /* Chip Selects */
  59         GPIO78_nCS_2,   /* SCOOP #2 */
  60         GPIO79_nCS_3,   /* NAND */
  61         GPIO80_nCS_4,   /* SCOOP #1 */
  62
  63         /* LCD - 16bpp Active TFT */
  64         GPIOxx_LCD_TFT_16BPP,
  65
  66         /* PC Card */
  67         GPIO48_nPOE,
  68         GPIO49_nPWE,
  69         GPIO50_nPIOR,
  70         GPIO51_nPIOW,
  71         GPIO85_nPCE_1,
  72         GPIO54_nPCE_2,
  73         GPIO55_nPREG,
  74         GPIO56_nPWAIT,
  75         GPIO57_nIOIS16,
  76         GPIO104_PSKTSEL,
  77
  78         /* I2S */
  79         GPIO28_I2S_BITCLK_OUT,
  80         GPIO29_I2S_SDATA_IN,
  81         GPIO30_I2S_SDATA_OUT,
  82         GPIO31_I2S_SYNC,
  83
  84         /* MMC */
  85         GPIO32_MMC_CLK,
  86         GPIO112_MMC_CMD,
  87         GPIO92_MMC_DAT_0,
  88         GPIO109_MMC_DAT_1,
  89         GPIO110_MMC_DAT_2,
  90         GPIO111_MMC_DAT_3,
  91
  92         /* GPIOs */
  93         GPIO9_GPIO,     /* SPITZ_GPIO_nSD_DETECT */
  94         GPIO16_GPIO,    /* SPITZ_GPIO_SYNC */
  95         GPIO81_GPIO,    /* SPITZ_GPIO_nSD_WP */
  96         GPIO41_GPIO,    /* SPITZ_GPIO_USB_CONNECT */
  97         GPIO37_GPIO,    /* SPITZ_GPIO_USB_HOST */
  98         GPIO35_GPIO,    /* SPITZ_GPIO_USB_DEVICE */
  99         GPIO22_GPIO,    /* SPITZ_GPIO_HSYNC */
 100         GPIO94_GPIO,    /* SPITZ_GPIO_CF_CD */
 101         GPIO105_GPIO,   /* SPITZ_GPIO_CF_IRQ */
 102         GPIO106_GPIO,   /* SPITZ_GPIO_CF2_IRQ */
 103
 104         /* GPIO matrix keypad */
 105         GPIO88_GPIO,    /* column 0 */
 106         GPIO23_GPIO,    /* column 1 */
 107         GPIO24_GPIO,    /* column 2 */
 108         GPIO25_GPIO,    /* column 3 */
 109         GPIO26_GPIO,    /* column 4 */
 110         GPIO27_GPIO,    /* column 5 */
 111         GPIO52_GPIO,    /* column 6 */
 112         GPIO103_GPIO,   /* column 7 */
 113         GPIO107_GPIO,   /* column 8 */
 114         GPIO108_GPIO,   /* column 9 */
 115         GPIO114_GPIO,   /* column 10 */
 116         GPIO12_GPIO,    /* row 0 */
 117         GPIO17_GPIO,    /* row 1 */
 118         GPIO91_GPIO,    /* row 2 */
 119         GPIO34_GPIO,    /* row 3 */
 120         GPIO36_GPIO,    /* row 4 */
 121         GPIO38_GPIO,    /* row 5 */
 122         GPIO39_GPIO,    /* row 6 */
 123
 124         /* I2C */
 125         GPIO117_I2C_SCL,
 126         GPIO118_I2C_SDA,
 127
 128         GPIO0_GPIO | WAKEUP_ON_EDGE_RISE,       /* SPITZ_GPIO_KEY_INT */
 129         GPIO1_GPIO | WAKEUP_ON_EDGE_FALL,       /* SPITZ_GPIO_RESET */
 130 };
 131
 132
 133 /******************************************************************************
 134  * Scoop GPIO expander
 135  ******************************************************************************/
 136 #if defined(CONFIG_SHARP_SCOOP) || defined(CONFIG_SHARP_SCOOP_MODULE)
 137 /* SCOOP Device #1 */
 138 static struct resource spitz_scoop_1_resources[] = {
 139         [0] = {
 140                 .start          = 0x10800000,
 141                 .end            = 0x10800fff,
 142                 .flags          = IORESOURCE_MEM,
 143         },
 144 };
 145
 146 static struct scoop_config spitz_scoop_1_setup = {
 147         .io_dir         = SPITZ_SCP_IO_DIR,
 148         .io_out         = SPITZ_SCP_IO_OUT,
 149         .suspend_clr    = SPITZ_SCP_SUS_CLR,
 150         .suspend_set    = SPITZ_SCP_SUS_SET,
 151         .gpio_base      = SPITZ_SCP_GPIO_BASE,
 152 };
 153
 154 struct platform_device spitz_scoop_1_device = {
 155         .name           = "sharp-scoop",
 156         .id             = 0,
 157         .dev            = {
 158                 .platform_data  = &spitz_scoop_1_setup,
 159         },
 160         .num_resources  = ARRAY_SIZE(spitz_scoop_1_resources),
 161         .resource       = spitz_scoop_1_resources,
 162 };
 163
 164 /* SCOOP Device #2 */
 165 static struct resource spitz_scoop_2_resources[] = {
 166         [0] = {
 167                 .start          = 0x08800040,
 168                 .end            = 0x08800fff,
 169                 .flags          = IORESOURCE_MEM,
 170         },
 171 };
 172
 173 static struct scoop_config spitz_scoop_2_setup = {
 174         .io_dir         = SPITZ_SCP2_IO_DIR,
 175         .io_out         = SPITZ_SCP2_IO_OUT,
 176         .suspend_clr    = SPITZ_SCP2_SUS_CLR,
 177         .suspend_set    = SPITZ_SCP2_SUS_SET,
 178         .gpio_base      = SPITZ_SCP2_GPIO_BASE,
 179 };
 180
 181 struct platform_device spitz_scoop_2_device = {
 182         .name           = "sharp-scoop",
 183         .id             = 1,
 184         .dev            = {
 185                 .platform_data  = &spitz_scoop_2_setup,
 186         },
 187         .num_resources  = ARRAY_SIZE(spitz_scoop_2_resources),
 188         .resource       = spitz_scoop_2_resources,
 189 };
 190
 191 static void __init spitz_scoop_init(void)
 192 {
 193         platform_device_register(&spitz_scoop_1_device);
 194
 195         /* Akita doesn't have the second SCOOP chip */
 196         if (!machine_is_akita())
 197                 platform_device_register(&spitz_scoop_2_device);
 198 }
 199
 200 /* Power control is shared with between one of the CF slots and SD */
 201 static void __maybe_unused spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr)
 202 {
 203         unsigned short cpr;
 204         unsigned long flags;
 205
 206         if (new_cpr & 0x7) {
 207                 gpio_set_value(SPITZ_GPIO_CF_POWER, 1);
 208                 mdelay(5);
 209         }
 210
 211         local_irq_save(flags);
 212
 213         cpr = read_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR);
 214
 215         if (enable & new_cpr)
 216                 cpr |= new_cpr;
 217         else
 218                 cpr &= ~enable;
 219
 220         write_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR, cpr);
 221
 222         local_irq_restore(flags);
 223
 224         if (!(cpr & 0x7)) {
 225                 mdelay(1);
 226                 gpio_set_value(SPITZ_GPIO_CF_POWER, 0);
 227         }
 228 }
 229
 230 #else
 231 static inline void spitz_scoop_init(void) {}
 232 static inline void spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr) {}
 233 #endif
 234
 235 /******************************************************************************
 236  * PCMCIA
 237  ******************************************************************************/
 238 #if defined(CONFIG_PCMCIA_PXA2XX) || defined(CONFIG_PCMCIA_PXA2XX_MODULE)
 239 static void spitz_pcmcia_pwr(struct device *scoop, uint16_t cpr, int nr)
 240 {
 241         /* Only need to override behaviour for slot 0 */
 242         if (nr == 0)
 243                 spitz_card_pwr_ctrl(
 244                         cpr & (SCOOP_CPR_CF_3V | SCOOP_CPR_CF_XV), cpr);
 245         else
 246                 write_scoop_reg(scoop, SCOOP_CPR, cpr);
 247 }
 248
 249 static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
 250         {
 251                 .dev            = &spitz_scoop_1_device.dev,
 252                 .irq            = SPITZ_IRQ_GPIO_CF_IRQ,
 253                 .cd_irq         = SPITZ_IRQ_GPIO_CF_CD,
 254                 .cd_irq_str     = "PCMCIA0 CD",
 255         }, {
 256                 .dev            = &spitz_scoop_2_device.dev,
 257                 .irq            = SPITZ_IRQ_GPIO_CF2_IRQ,
 258                 .cd_irq         = -1,
 259         },
 260 };
 261
 262 static struct scoop_pcmcia_config spitz_pcmcia_config = {
 263         .devs           = &spitz_pcmcia_scoop[0],
 264         .num_devs       = 2,
 265         .power_ctrl     = spitz_pcmcia_pwr,
 266 };
 267
 268 static void __init spitz_pcmcia_init(void)
 269 {
 270         /* Akita has only one PCMCIA slot used */
 271         if (machine_is_akita())
 272                 spitz_pcmcia_config.num_devs = 1;
 273
 274         platform_scoop_config = &spitz_pcmcia_config;
 275 }
 276 #else
 277 static inline void spitz_pcmcia_init(void) {}
 278 #endif
 279
 280 /******************************************************************************
 281  * GPIO keyboard
 282  ******************************************************************************/
 283 #if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE)
 284
 285 #define SPITZ_KEY_CALENDAR      KEY_F1
 286 #define SPITZ_KEY_ADDRESS       KEY_F2
 287 #define SPITZ_KEY_FN            KEY_F3
 288 #define SPITZ_KEY_CANCEL        KEY_F4
 289 #define SPITZ_KEY_EXOK          KEY_F5
 290 #define SPITZ_KEY_EXCANCEL      KEY_F6
 291 #define SPITZ_KEY_EXJOGDOWN     KEY_F7
 292 #define SPITZ_KEY_EXJOGUP       KEY_F8
 293 #define SPITZ_KEY_JAP1          KEY_LEFTALT
 294 #define SPITZ_KEY_JAP2          KEY_RIGHTCTRL
 295 #define SPITZ_KEY_SYNC          KEY_F9
 296 #define SPITZ_KEY_MAIL          KEY_F10
 297 #define SPITZ_KEY_OK            KEY_F11
 298 #define SPITZ_KEY_MENU          KEY_F12
 299
 300 static const uint32_t spitz_keymap[] = {
 301         KEY(0, 0, KEY_LEFTCTRL),
 302         KEY(0, 1, KEY_1),
 303         KEY(0, 2, KEY_3),
 304         KEY(0, 3, KEY_5),
 305         KEY(0, 4, KEY_6),
 306         KEY(0, 5, KEY_7),
 307         KEY(0, 6, KEY_9),
 308         KEY(0, 7, KEY_0),
 309         KEY(0, 8, KEY_BACKSPACE),
 310         KEY(0, 9, SPITZ_KEY_EXOK),      /* EXOK */
 311         KEY(0, 10, SPITZ_KEY_EXCANCEL), /* EXCANCEL */
 312         KEY(1, 1, KEY_2),
 313         KEY(1, 2, KEY_4),
 314         KEY(1, 3, KEY_R),
 315         KEY(1, 4, KEY_Y),
 316         KEY(1, 5, KEY_8),
 317         KEY(1, 6, KEY_I),
 318         KEY(1, 7, KEY_O),
 319         KEY(1, 8, KEY_P),
 320         KEY(1, 9, SPITZ_KEY_EXJOGDOWN), /* EXJOGDOWN */
 321         KEY(1, 10, SPITZ_KEY_EXJOGUP),  /* EXJOGUP */
 322         KEY(2, 0, KEY_TAB),
 323         KEY(2, 1, KEY_Q),
 324         KEY(2, 2, KEY_E),
 325         KEY(2, 3, KEY_T),
 326         KEY(2, 4, KEY_G),
 327         KEY(2, 5, KEY_U),
 328         KEY(2, 6, KEY_J),
 329         KEY(2, 7, KEY_K),
 330         KEY(3, 0, SPITZ_KEY_ADDRESS),   /* ADDRESS */
 331         KEY(3, 1, KEY_W),
 332         KEY(3, 2, KEY_S),
 333         KEY(3, 3, KEY_F),
 334         KEY(3, 4, KEY_V),
 335         KEY(3, 5, KEY_H),
 336         KEY(3, 6, KEY_M),
 337         KEY(3, 7, KEY_L),
 338         KEY(3, 9, KEY_RIGHTSHIFT),
 339         KEY(4, 0, SPITZ_KEY_CALENDAR),  /* CALENDAR */
 340         KEY(4, 1, KEY_A),
 341         KEY(4, 2, KEY_D),
 342         KEY(4, 3, KEY_C),
 343         KEY(4, 4, KEY_B),
 344         KEY(4, 5, KEY_N),
 345         KEY(4, 6, KEY_DOT),
 346         KEY(4, 8, KEY_ENTER),
 347         KEY(4, 9, KEY_LEFTSHIFT),
 348         KEY(5, 0, SPITZ_KEY_MAIL),      /* MAIL */
 349         KEY(5, 1, KEY_Z),
 350         KEY(5, 2, KEY_X),
 351         KEY(5, 3, KEY_MINUS),
 352         KEY(5, 4, KEY_SPACE),
 353         KEY(5, 5, KEY_COMMA),
 354         KEY(5, 7, KEY_UP),
 355         KEY(5, 10, SPITZ_KEY_FN),       /* FN */
 356         KEY(6, 0, KEY_SYSRQ),
 357         KEY(6, 1, SPITZ_KEY_JAP1),      /* JAP1 */
 358         KEY(6, 2, SPITZ_KEY_JAP2),      /* JAP2 */
 359         KEY(6, 3, SPITZ_KEY_CANCEL),    /* CANCEL */
 360         KEY(6, 4, SPITZ_KEY_OK),        /* OK */
 361         KEY(6, 5, SPITZ_KEY_MENU),      /* MENU */
 362         KEY(6, 6, KEY_LEFT),
 363         KEY(6, 7, KEY_DOWN),
 364         KEY(6, 8, KEY_RIGHT),
 365 };
 366
 367 static const struct matrix_keymap_data spitz_keymap_data = {
 368         .keymap         = spitz_keymap,
 369         .keymap_size    = ARRAY_SIZE(spitz_keymap),
 370 };
 371
 372 static const uint32_t spitz_row_gpios[] =
 373                 { 12, 17, 91, 34, 36, 38, 39 };
 374 static const uint32_t spitz_col_gpios[] =
 375                 { 88, 23, 24, 25, 26, 27, 52, 103, 107, 108, 114 };
 376
 377 static struct matrix_keypad_platform_data spitz_mkp_pdata = {
 378         .keymap_data            = &spitz_keymap_data,
 379         .row_gpios              = spitz_row_gpios,
 380         .col_gpios              = spitz_col_gpios,
 381         .num_row_gpios          = ARRAY_SIZE(spitz_row_gpios),
 382         .num_col_gpios          = ARRAY_SIZE(spitz_col_gpios),
 383         .col_scan_delay_us      = 10,
 384         .debounce_ms            = 10,
 385         .wakeup                 = 1,
 386 };
 387
 388 static struct platform_device spitz_mkp_device = {
 389         .name           = "matrix-keypad",
 390         .id             = -1,
 391         .dev            = {
 392                 .platform_data  = &spitz_mkp_pdata,
 393         },
 394 };
 395
 396 static void __init spitz_mkp_init(void)
 397 {
 398         platform_device_register(&spitz_mkp_device);
 399 }
 400 #else
 401 static inline void spitz_mkp_init(void) {}
 402 #endif
 403
 404 /******************************************************************************
 405  * GPIO keys
 406  ******************************************************************************/
 407 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 408 static struct gpio_keys_button spitz_gpio_keys[] = {
 409         {
 410                 .type   = EV_PWR,
 411                 .code   = KEY_SUSPEND,
 412                 .gpio   = SPITZ_GPIO_ON_KEY,
 413                 .desc   = "On Off",
 414                 .wakeup = 1,
 415         },
 416         /* Two buttons detecting the lid state */
 417         {
 418                 .type   = EV_SW,
 419                 .code   = 0,
 420                 .gpio   = SPITZ_GPIO_SWA,
 421                 .desc   = "Display Down",
 422         },
 423         {
 424                 .type   = EV_SW,
 425                 .code   = 1,
 426                 .gpio   = SPITZ_GPIO_SWB,
 427                 .desc   = "Lid Closed",
 428         },
 429 };
 430
 431 static struct gpio_keys_platform_data spitz_gpio_keys_platform_data = {
 432         .buttons        = spitz_gpio_keys,
 433         .nbuttons       = ARRAY_SIZE(spitz_gpio_keys),
 434 };
 435
 436 static struct platform_device spitz_gpio_keys_device = {
 437         .name   = "gpio-keys",
 438         .id     = -1,
 439         .dev    = {
 440                 .platform_data  = &spitz_gpio_keys_platform_data,
 441         },
 442 };
 443
 444 static void __init spitz_keys_init(void)
 445 {
 446         platform_device_register(&spitz_gpio_keys_device);
 447 }
 448 #else
 449 static inline void spitz_keys_init(void) {}
 450 #endif
 451
 452 /******************************************************************************
 453  * LEDs
 454  ******************************************************************************/
 455 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 456 static struct gpio_led spitz_gpio_leds[] = {
 457         {
 458                 .name                   = "spitz:amber:charge",
 459                 .default_trigger        = "sharpsl-charge",
 460                 .gpio                   = SPITZ_GPIO_LED_ORANGE,
 461         },
 462         {
 463                 .name                   = "spitz:green:hddactivity",
 464                 .default_trigger        = "disk-activity",
 465                 .gpio                   = SPITZ_GPIO_LED_GREEN,
 466         },
 467 };
 468
 469 static struct gpio_led_platform_data spitz_gpio_leds_info = {
 470         .leds           = spitz_gpio_leds,
 471         .num_leds       = ARRAY_SIZE(spitz_gpio_leds),
 472 };
 473
 474 static struct platform_device spitz_led_device = {
 475         .name           = "leds-gpio",
 476         .id             = -1,
 477         .dev            = {
 478                 .platform_data  = &spitz_gpio_leds_info,
 479         },
 480 };
 481
 482 static void __init spitz_leds_init(void)
 483 {
 484         platform_device_register(&spitz_led_device);
 485 }
 486 #else
 487 static inline void spitz_leds_init(void) {}
 488 #endif
 489
 490 /******************************************************************************
 491  * SSP Devices
 492  ******************************************************************************/
 493 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
 494 static void spitz_ads7846_wait_for_hsync(void)
 495 {
 496         while (gpio_get_value(SPITZ_GPIO_HSYNC))
 497                 cpu_relax();
 498
 499         while (!gpio_get_value(SPITZ_GPIO_HSYNC))
 500                 cpu_relax();
 501 }
 502
 503 static struct ads7846_platform_data spitz_ads7846_info = {
 504         .model                  = 7846,
 505         .vref_delay_usecs       = 100,
 506         .x_plate_ohms           = 419,
 507         .y_plate_ohms           = 486,
 508         .pressure_max           = 1024,
 509         .gpio_pendown           = SPITZ_GPIO_TP_INT,
 510         .wait_for_sync          = spitz_ads7846_wait_for_hsync,
 511 };
 512
 513 static void spitz_bl_kick_battery(void)
 514 {
 515         void (*kick_batt)(void);
 516
 517         kick_batt = symbol_get(sharpsl_battery_kick);
 518         if (kick_batt) {
 519                 kick_batt();
 520                 symbol_put(sharpsl_battery_kick);
 521         }
 522 }
 523
 524 static struct gpiod_lookup_table spitz_lcdcon_gpio_table = {
 525         .dev_id = "spi2.1",
 526         .table = {
 527                 GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_BACKLIGHT_CONT,
 528                             "BL_CONT", GPIO_ACTIVE_LOW),
 529                 GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_BACKLIGHT_ON,
 530                             "BL_ON", GPIO_ACTIVE_HIGH),
 531                 { },
 532         },
 533 };
 534
 535 static struct gpiod_lookup_table akita_lcdcon_gpio_table = {
 536         .dev_id = "spi2.1",
 537         .table = {
 538                 GPIO_LOOKUP("gpio-pxa", AKITA_GPIO_BACKLIGHT_CONT,
 539                             "BL_CONT", GPIO_ACTIVE_LOW),
 540                 GPIO_LOOKUP("gpio-pxa", AKITA_GPIO_BACKLIGHT_ON,
 541                             "BL_ON", GPIO_ACTIVE_HIGH),
 542                 { },
 543         },
 544 };
 545
 546 static struct corgi_lcd_platform_data spitz_lcdcon_info = {
 547         .init_mode              = CORGI_LCD_MODE_VGA,
 548         .max_intensity          = 0x2f,
 549         .default_intensity      = 0x1f,
 550         .limit_mask             = 0x0b,
 551         .kick_battery           = spitz_bl_kick_battery,
 552 };
 553
 554 static struct spi_board_info spitz_spi_devices[] = {
 555         {
 556                 .modalias               = "ads7846",
 557                 .max_speed_hz           = 1200000,
 558                 .bus_num                = 2,
 559                 .chip_select            = 0,
 560                 .platform_data          = &spitz_ads7846_info,
 561                 .irq                    = PXA_GPIO_TO_IRQ(SPITZ_GPIO_TP_INT),
 562         }, {
 563                 .modalias               = "corgi-lcd",
 564                 .max_speed_hz           = 50000,
 565                 .bus_num                = 2,
 566                 .chip_select            = 1,
 567                 .platform_data          = &spitz_lcdcon_info,
 568         }, {
 569                 .modalias               = "max1111",
 570                 .max_speed_hz           = 450000,
 571                 .bus_num                = 2,
 572                 .chip_select            = 2,
 573         },
 574 };
 575
 576 static struct pxa2xx_spi_controller spitz_spi_info = {
 577         .num_chipselect = 3,
 578 };
 579
 580 static struct gpiod_lookup_table spitz_spi_gpio_table = {
 581         .dev_id = "spi2",
 582         .table = {
 583                 GPIO_LOOKUP_IDX("gpio-pxa", SPITZ_GPIO_ADS7846_CS, "cs", 0, GPIO_ACTIVE_LOW),
 584                 GPIO_LOOKUP_IDX("gpio-pxa", SPITZ_GPIO_LCDCON_CS, "cs", 1, GPIO_ACTIVE_LOW),
 585                 GPIO_LOOKUP_IDX("gpio-pxa", SPITZ_GPIO_MAX1111_CS, "cs", 2, GPIO_ACTIVE_LOW),
 586                 { },
 587         },
 588 };
 589
 590 static void __init spitz_spi_init(void)
 591 {
 592         if (machine_is_akita())
 593                 gpiod_add_lookup_table(&akita_lcdcon_gpio_table);
 594         else
 595                 gpiod_add_lookup_table(&spitz_lcdcon_gpio_table);
 596
 597         gpiod_add_lookup_table(&spitz_spi_gpio_table);
 598         pxa2xx_set_spi_info(2, &spitz_spi_info);
 599         spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices));
 600 }
 601 #else
 602 static inline void spitz_spi_init(void) {}
 603 #endif
 604
 605 /******************************************************************************
 606  * SD/MMC card controller
 607  ******************************************************************************/
 608 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
 609 /*
 610  * NOTE: The card detect interrupt isn't debounced so we delay it by 250ms to
 611  * give the card a chance to fully insert/eject.
 612  */
 613 static int spitz_mci_setpower(struct device *dev, unsigned int vdd)
 614 {
 615         struct pxamci_platform_data* p_d = dev->platform_data;
 616
 617         if ((1 << vdd) & p_d->ocr_mask)
 618                 spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, SCOOP_CPR_SD_3V);
 619         else
 620                 spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, 0x0);
 621
 622         return 0;
 623 }
 624
 625 static struct pxamci_platform_data spitz_mci_platform_data = {
 626         .detect_delay_ms        = 250,
 627         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 628         .setpower               = spitz_mci_setpower,
 629 };
 630
 631 static struct gpiod_lookup_table spitz_mci_gpio_table = {
 632         .dev_id = "pxa2xx-mci.0",
 633         .table = {
 634                 GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_nSD_DETECT,
 635                             "cd", GPIO_ACTIVE_LOW),
 636                 GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_nSD_WP,
 637                             "wp", GPIO_ACTIVE_LOW),
 638                 { },
 639         },
 640 };
 641
 642 static void __init spitz_mmc_init(void)
 643 {
 644         gpiod_add_lookup_table(&spitz_mci_gpio_table);
 645         pxa_set_mci_info(&spitz_mci_platform_data);
 646 }
 647 #else
 648 static inline void spitz_mmc_init(void) {}
 649 #endif
 650
 651 /******************************************************************************
 652  * USB Host
 653  ******************************************************************************/
 654 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 655 static int spitz_ohci_init(struct device *dev)
 656 {
 657         int err;
 658
 659         err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST");
 660         if (err)
 661                 return err;
 662
 663         /* Only Port 2 is connected, setup USB Port 2 Output Control Register */
 664         UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
 665
 666         return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1);
 667 }
 668
 669 static void spitz_ohci_exit(struct device *dev)
 670 {
 671         gpio_free(SPITZ_GPIO_USB_HOST);
 672 }
 673
 674 static struct pxaohci_platform_data spitz_ohci_platform_data = {
 675         .port_mode      = PMM_NPS_MODE,
 676         .init           = spitz_ohci_init,
 677         .exit           = spitz_ohci_exit,
 678         .flags          = ENABLE_PORT_ALL | NO_OC_PROTECTION,
 679         .power_budget   = 150,
 680 };
 681
 682 static void __init spitz_uhc_init(void)
 683 {
 684         pxa_set_ohci_info(&spitz_ohci_platform_data);
 685 }
 686 #else
 687 static inline void spitz_uhc_init(void) {}
 688 #endif
 689
 690 /******************************************************************************
 691  * Framebuffer
 692  ******************************************************************************/
 693 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 694 static struct pxafb_mode_info spitz_pxafb_modes[] = {
 695         {
 696                 .pixclock       = 19231,
 697                 .xres           = 480,
 698                 .yres           = 640,
 699                 .bpp            = 16,
 700                 .hsync_len      = 40,
 701                 .left_margin    = 46,
 702                 .right_margin   = 125,
 703                 .vsync_len      = 3,
 704                 .upper_margin   = 1,
 705                 .lower_margin   = 0,
 706                 .sync           = 0,
 707         }, {
 708                 .pixclock       = 134617,
 709                 .xres           = 240,
 710                 .yres           = 320,
 711                 .bpp            = 16,
 712                 .hsync_len      = 20,
 713                 .left_margin    = 20,
 714                 .right_margin   = 46,
 715                 .vsync_len      = 2,
 716                 .upper_margin   = 1,
 717                 .lower_margin   = 0,
 718                 .sync           = 0,
 719         },
 720 };
 721
 722 static struct pxafb_mach_info spitz_pxafb_info = {
 723         .modes          = spitz_pxafb_modes,
 724         .num_modes      = ARRAY_SIZE(spitz_pxafb_modes),
 725         .fixed_modes    = 1,
 726         .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING,
 727 };
 728
 729 static void __init spitz_lcd_init(void)
 730 {
 731         pxa_set_fb_info(NULL, &spitz_pxafb_info);
 732 }
 733 #else
 734 static inline void spitz_lcd_init(void) {}
 735 #endif
 736
 737 /******************************************************************************
 738  * NAND Flash
 739  ******************************************************************************/
 740 #if defined(CONFIG_MTD_NAND_SHARPSL) || defined(CONFIG_MTD_NAND_SHARPSL_MODULE)
 741 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
 742
 743 static struct nand_bbt_descr spitz_nand_bbt = {
 744         .options        = 0,
 745         .offs           = 4,
 746         .len            = 2,
 747         .pattern        = scan_ff_pattern
 748 };
 749
 750 static int akita_ooblayout_ecc(struct mtd_info *mtd, int section,
 751                                struct mtd_oob_region *oobregion)
 752 {
 753         if (section > 12)
 754                 return -ERANGE;
 755
 756         switch (section % 3) {
 757         case 0:
 758                 oobregion->offset = 5;
 759                 oobregion->length = 1;
 760                 break;
 761
 762         case 1:
 763                 oobregion->offset = 1;
 764                 oobregion->length = 3;
 765                 break;
 766
 767         case 2:
 768                 oobregion->offset = 6;
 769                 oobregion->length = 2;
 770                 break;
 771         }
 772
 773         oobregion->offset += (section / 3) * 0x10;
 774
 775         return 0;
 776 }
 777
 778 static int akita_ooblayout_free(struct mtd_info *mtd, int section,
 779                                 struct mtd_oob_region *oobregion)
 780 {
 781         if (section)
 782                 return -ERANGE;
 783
 784         oobregion->offset = 8;
 785         oobregion->length = 9;
 786
 787         return 0;
 788 }
 789
 790 static const struct mtd_ooblayout_ops akita_ooblayout_ops = {
 791         .ecc = akita_ooblayout_ecc,
 792         .free = akita_ooblayout_free,
 793 };
 794
 795 static const char * const probes[] = {
 796         "cmdlinepart",
 797         "ofpart",
 798         "sharpslpart",
 799         NULL,
 800 };
 801
 802 static struct sharpsl_nand_platform_data spitz_nand_pdata = {
 803         .badblock_pattern       = &spitz_nand_bbt,
 804         .part_parsers           = probes,
 805 };
 806
 807 static struct resource spitz_nand_resources[] = {
 808         {
 809                 .start  = PXA_CS3_PHYS,
 810                 .end    = PXA_CS3_PHYS + SZ_4K - 1,
 811                 .flags  = IORESOURCE_MEM,
 812         },
 813 };
 814
 815 static struct platform_device spitz_nand_device = {
 816         .name           = "sharpsl-nand",
 817         .id             = -1,
 818         .resource       = spitz_nand_resources,
 819         .num_resources  = ARRAY_SIZE(spitz_nand_resources),
 820         .dev            = {
 821                 .platform_data  = &spitz_nand_pdata,
 822         }
 823 };
 824
 825 static void __init spitz_nand_init(void)
 826 {
 827         if (machine_is_akita() || machine_is_borzoi()) {
 828                 spitz_nand_bbt.len = 1;
 829                 spitz_nand_pdata.ecc_layout = &akita_ooblayout_ops;
 830         }
 831
 832         platform_device_register(&spitz_nand_device);
 833 }
 834 #else
 835 static inline void spitz_nand_init(void) {}
 836 #endif
 837
 838 /******************************************************************************
 839  * NOR Flash
 840  ******************************************************************************/
 841 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 842 static struct mtd_partition spitz_rom_parts[] = {
 843         {
 844                 .name   ="Boot PROM Filesystem",
 845                 .offset = 0x00140000,
 846                 .size   = MTDPART_SIZ_FULL,
 847         },
 848 };
 849
 850 static struct physmap_flash_data spitz_rom_data = {
 851         .width          = 2,
 852         .nr_parts       = ARRAY_SIZE(spitz_rom_parts),
 853         .parts          = spitz_rom_parts,
 854 };
 855
 856 static struct resource spitz_rom_resources[] = {
 857         {
 858                 .start  = PXA_CS0_PHYS,
 859                 .end    = PXA_CS0_PHYS + SZ_8M - 1,
 860                 .flags  = IORESOURCE_MEM,
 861         },
 862 };
 863
 864 static struct platform_device spitz_rom_device = {
 865         .name           = "physmap-flash",
 866         .id             = -1,
 867         .resource       = spitz_rom_resources,
 868         .num_resources  = ARRAY_SIZE(spitz_rom_resources),
 869         .dev            = {
 870                 .platform_data  = &spitz_rom_data,
 871         },
 872 };
 873
 874 static void __init spitz_nor_init(void)
 875 {
 876         platform_device_register(&spitz_rom_device);
 877 }
 878 #else
 879 static inline void spitz_nor_init(void) {}
 880 #endif
 881
 882 /******************************************************************************
 883  * I2C devices
 884  ******************************************************************************/
 885 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
 886 static struct pca953x_platform_data akita_pca953x_pdata = {
 887         .gpio_base              = AKITA_IOEXP_GPIO_BASE,
 888 };
 889
 890 static struct i2c_board_info spitz_i2c_devs[] = {
 891         {
 892                 .type           = "wm8750",
 893                 .addr           = 0x1b,
 894         }, {
 895                 .type           = "max7310",
 896                 .addr           = 0x18,
 897                 .platform_data  = &akita_pca953x_pdata,
 898         },
 899 };
 900
 901 static struct regulator_consumer_supply isl6271a_consumers[] = {
 902         REGULATOR_SUPPLY("vcc_core", NULL),
 903 };
 904
 905 static struct regulator_init_data isl6271a_info[] = {
 906         {
 907                 .constraints = {
 908                         .name           = "vcc_core range",
 909                         .min_uV         = 850000,
 910                         .max_uV         = 1600000,
 911                         .always_on      = 1,
 912                         .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 913                 },
 914         .consumer_supplies      = isl6271a_consumers,
 915         .num_consumer_supplies  = ARRAY_SIZE(isl6271a_consumers),
 916         }
 917 };
 918
 919 static struct i2c_board_info spitz_pi2c_devs[] = {
 920         {
 921                 .type           = "isl6271a",
 922                 .addr           = 0x0c,
 923                 .platform_data  = &isl6271a_info,
 924         },
 925 };
 926
 927 static void __init spitz_i2c_init(void)
 928 {
 929         int size = ARRAY_SIZE(spitz_i2c_devs);
 930
 931         /* Only Akita has the max7310 chip */
 932         if (!machine_is_akita())
 933                 size--;
 934
 935         pxa_set_i2c_info(NULL);
 936         pxa27x_set_i2c_power_info(NULL);
 937         i2c_register_board_info(0, spitz_i2c_devs, size);
 938         i2c_register_board_info(1, ARRAY_AND_SIZE(spitz_pi2c_devs));
 939 }
 940 #else
 941 static inline void spitz_i2c_init(void) {}
 942 #endif
 943
 944 static struct gpiod_lookup_table spitz_audio_gpio_table = {
 945         .dev_id = "spitz-audio",
 946         .table = {
 947                 GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_L - SPITZ_SCP_GPIO_BASE,
 948                             "mute-l", GPIO_ACTIVE_HIGH),
 949                 GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_R - SPITZ_SCP_GPIO_BASE,
 950                             "mute-r", GPIO_ACTIVE_HIGH),
 951                 GPIO_LOOKUP("sharp-scoop.1", SPITZ_GPIO_MIC_BIAS - SPITZ_SCP2_GPIO_BASE,
 952                             "mic", GPIO_ACTIVE_HIGH),
 953                 { },
 954         },
 955 };
 956
 957 static struct gpiod_lookup_table akita_audio_gpio_table = {
 958         .dev_id = "spitz-audio",
 959         .table = {
 960                 GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_L - SPITZ_SCP_GPIO_BASE,
 961                             "mute-l", GPIO_ACTIVE_HIGH),
 962                 GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_R - SPITZ_SCP_GPIO_BASE,
 963                             "mute-r", GPIO_ACTIVE_HIGH),
 964                 GPIO_LOOKUP("i2c-max7310", AKITA_GPIO_MIC_BIAS - AKITA_IOEXP_GPIO_BASE,
 965                             "mic", GPIO_ACTIVE_HIGH),
 966                 { },
 967         },
 968 };
 969
 970 /******************************************************************************
 971  * Audio devices
 972  ******************************************************************************/
 973 static inline void spitz_audio_init(void)
 974 {
 975         if (machine_is_akita())
 976                 gpiod_add_lookup_table(&akita_audio_gpio_table);
 977         else
 978                 gpiod_add_lookup_table(&spitz_audio_gpio_table);
 979
 980         platform_device_register_simple("spitz-audio", -1, NULL, 0);
 981 }
 982
 983 /******************************************************************************
 984  * Machine init
 985  ******************************************************************************/
 986 static void spitz_poweroff(void)
 987 {
 988         pxa_restart(REBOOT_GPIO, NULL);
 989 }
 990
 991 static void spitz_restart(enum reboot_mode mode, const char *cmd)
 992 {
 993         uint32_t msc0 = __raw_readl(MSC0);
 994         /* Bootloader magic for a reboot */
 995         if ((msc0 & 0xffff0000) == 0x7ff00000)
 996                 __raw_writel((msc0 & 0xffff) | 0x7ee00000, MSC0);
 997
 998         spitz_poweroff();
 999 }
1000
1001 static void __init spitz_init(void)
1002 {
1003         init_gpio_reset(SPITZ_GPIO_ON_RESET, 1, 0);
1004         pm_power_off = spitz_poweroff;
1005
1006         PMCR = 0x00;
1007
1008         /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
1009         PCFR |= PCFR_OPDE;
1010
1011         pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config));
1012
1013         pxa_set_ffuart_info(NULL);
1014         pxa_set_btuart_info(NULL);
1015         pxa_set_stuart_info(NULL);
1016
1017         spitz_spi_init();
1018         spitz_scoop_init();
1019         spitz_mkp_init();
1020         spitz_keys_init();
1021         spitz_leds_init();
1022         spitz_mmc_init();
1023         spitz_pcmcia_init();
1024         spitz_uhc_init();
1025         spitz_lcd_init();
1026         spitz_nor_init();
1027         spitz_nand_init();
1028         spitz_i2c_init();
1029         spitz_audio_init();
1030
1031         regulator_has_full_constraints();
1032 }
1033
1034 static void __init spitz_fixup(struct tag *tags, char **cmdline)
1035 {
1036         sharpsl_save_param();
1037         memblock_add(0xa0000000, SZ_64M);
1038 }
1039
1040 #ifdef CONFIG_MACH_SPITZ
1041 MACHINE_START(SPITZ, "SHARP Spitz")
1042         .fixup          = spitz_fixup,
1043         .map_io         = pxa27x_map_io,
1044         .nr_irqs        = PXA_NR_IRQS,
1045         .init_irq       = pxa27x_init_irq,
1046         .handle_irq     = pxa27x_handle_irq,
1047         .init_machine   = spitz_init,
1048         .init_time      = pxa_timer_init,
1049         .restart        = spitz_restart,
1050 MACHINE_END
1051 #endif
1052
1053 #ifdef CONFIG_MACH_BORZOI
1054 MACHINE_START(BORZOI, "SHARP Borzoi")
1055         .fixup          = spitz_fixup,
1056         .map_io         = pxa27x_map_io,
1057         .nr_irqs        = PXA_NR_IRQS,
1058         .init_irq       = pxa27x_init_irq,
1059         .handle_irq     = pxa27x_handle_irq,
1060         .init_machine   = spitz_init,
1061         .init_time      = pxa_timer_init,
1062         .restart        = spitz_restart,
1063 MACHINE_END
1064 #endif
1065
1066 #ifdef CONFIG_MACH_AKITA
1067 MACHINE_START(AKITA, "SHARP Akita")
1068         .fixup          = spitz_fixup,
1069         .map_io         = pxa27x_map_io,
1070         .nr_irqs        = PXA_NR_IRQS,
1071         .init_irq       = pxa27x_init_irq,
1072         .handle_irq     = pxa27x_handle_irq,
1073         .init_machine   = spitz_init,
1074         .init_time      = pxa_timer_init,
1075         .restart        = spitz_restart,
1076 MACHINE_END
1077 #endif