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/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 <mach/reset.h>
  43 #include <linux/platform_data/irda-pxaficp.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 <mach/spitz.h>
  48 #include "sharpsl_pm.h"
  49 #include <mach/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 struct pxa2xx_spi_chip spitz_ads7846_chip = {
 514         .gpio_cs                = SPITZ_GPIO_ADS7846_CS,
 515 };
 516
 517 static void spitz_bl_kick_battery(void)
 518 {
 519         void (*kick_batt)(void);
 520
 521         kick_batt = symbol_get(sharpsl_battery_kick);
 522         if (kick_batt) {
 523                 kick_batt();
 524                 symbol_put(sharpsl_battery_kick);
 525         }
 526 }
 527
 528 static struct gpiod_lookup_table spitz_lcdcon_gpio_table = {
 529         .dev_id = "spi2.1",
 530         .table = {
 531                 GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_BACKLIGHT_CONT,
 532                             "BL_CONT", GPIO_ACTIVE_LOW),
 533                 GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_BACKLIGHT_ON,
 534                             "BL_ON", GPIO_ACTIVE_HIGH),
 535                 { },
 536         },
 537 };
 538
 539 static struct gpiod_lookup_table akita_lcdcon_gpio_table = {
 540         .dev_id = "spi2.1",
 541         .table = {
 542                 GPIO_LOOKUP("gpio-pxa", AKITA_GPIO_BACKLIGHT_CONT,
 543                             "BL_CONT", GPIO_ACTIVE_LOW),
 544                 GPIO_LOOKUP("gpio-pxa", AKITA_GPIO_BACKLIGHT_ON,
 545                             "BL_ON", GPIO_ACTIVE_HIGH),
 546                 { },
 547         },
 548 };
 549
 550 static struct corgi_lcd_platform_data spitz_lcdcon_info = {
 551         .init_mode              = CORGI_LCD_MODE_VGA,
 552         .max_intensity          = 0x2f,
 553         .default_intensity      = 0x1f,
 554         .limit_mask             = 0x0b,
 555         .kick_battery           = spitz_bl_kick_battery,
 556 };
 557
 558 static struct pxa2xx_spi_chip spitz_lcdcon_chip = {
 559         .gpio_cs        = SPITZ_GPIO_LCDCON_CS,
 560 };
 561
 562 static struct pxa2xx_spi_chip spitz_max1111_chip = {
 563         .gpio_cs        = SPITZ_GPIO_MAX1111_CS,
 564 };
 565
 566 static struct spi_board_info spitz_spi_devices[] = {
 567         {
 568                 .modalias               = "ads7846",
 569                 .max_speed_hz           = 1200000,
 570                 .bus_num                = 2,
 571                 .chip_select            = 0,
 572                 .platform_data          = &spitz_ads7846_info,
 573                 .controller_data        = &spitz_ads7846_chip,
 574                 .irq                    = PXA_GPIO_TO_IRQ(SPITZ_GPIO_TP_INT),
 575         }, {
 576                 .modalias               = "corgi-lcd",
 577                 .max_speed_hz           = 50000,
 578                 .bus_num                = 2,
 579                 .chip_select            = 1,
 580                 .platform_data          = &spitz_lcdcon_info,
 581                 .controller_data        = &spitz_lcdcon_chip,
 582         }, {
 583                 .modalias               = "max1111",
 584                 .max_speed_hz           = 450000,
 585                 .bus_num                = 2,
 586                 .chip_select            = 2,
 587                 .controller_data        = &spitz_max1111_chip,
 588         },
 589 };
 590
 591 static struct pxa2xx_spi_controller spitz_spi_info = {
 592         .num_chipselect = 3,
 593 };
 594
 595 static void __init spitz_spi_init(void)
 596 {
 597         if (machine_is_akita())
 598                 gpiod_add_lookup_table(&akita_lcdcon_gpio_table);
 599         else
 600                 gpiod_add_lookup_table(&spitz_lcdcon_gpio_table);
 601
 602         pxa2xx_set_spi_info(2, &spitz_spi_info);
 603         spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices));
 604 }
 605 #else
 606 static inline void spitz_spi_init(void) {}
 607 #endif
 608
 609 /******************************************************************************
 610  * SD/MMC card controller
 611  ******************************************************************************/
 612 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
 613 /*
 614  * NOTE: The card detect interrupt isn't debounced so we delay it by 250ms to
 615  * give the card a chance to fully insert/eject.
 616  */
 617 static int spitz_mci_setpower(struct device *dev, unsigned int vdd)
 618 {
 619         struct pxamci_platform_data* p_d = dev->platform_data;
 620
 621         if ((1 << vdd) & p_d->ocr_mask)
 622                 spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, SCOOP_CPR_SD_3V);
 623         else
 624                 spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, 0x0);
 625
 626         return 0;
 627 }
 628
 629 static struct pxamci_platform_data spitz_mci_platform_data = {
 630         .detect_delay_ms        = 250,
 631         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 632         .setpower               = spitz_mci_setpower,
 633 };
 634
 635 static struct gpiod_lookup_table spitz_mci_gpio_table = {
 636         .dev_id = "pxa2xx-mci.0",
 637         .table = {
 638                 GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_nSD_DETECT,
 639                             "cd", GPIO_ACTIVE_LOW),
 640                 GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_nSD_WP,
 641                             "wp", GPIO_ACTIVE_LOW),
 642                 { },
 643         },
 644 };
 645
 646 static void __init spitz_mmc_init(void)
 647 {
 648         gpiod_add_lookup_table(&spitz_mci_gpio_table);
 649         pxa_set_mci_info(&spitz_mci_platform_data);
 650 }
 651 #else
 652 static inline void spitz_mmc_init(void) {}
 653 #endif
 654
 655 /******************************************************************************
 656  * USB Host
 657  ******************************************************************************/
 658 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 659 static int spitz_ohci_init(struct device *dev)
 660 {
 661         int err;
 662
 663         err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST");
 664         if (err)
 665                 return err;
 666
 667         /* Only Port 2 is connected, setup USB Port 2 Output Control Register */
 668         UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
 669
 670         return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1);
 671 }
 672
 673 static void spitz_ohci_exit(struct device *dev)
 674 {
 675         gpio_free(SPITZ_GPIO_USB_HOST);
 676 }
 677
 678 static struct pxaohci_platform_data spitz_ohci_platform_data = {
 679         .port_mode      = PMM_NPS_MODE,
 680         .init           = spitz_ohci_init,
 681         .exit           = spitz_ohci_exit,
 682         .flags          = ENABLE_PORT_ALL | NO_OC_PROTECTION,
 683         .power_budget   = 150,
 684 };
 685
 686 static void __init spitz_uhc_init(void)
 687 {
 688         pxa_set_ohci_info(&spitz_ohci_platform_data);
 689 }
 690 #else
 691 static inline void spitz_uhc_init(void) {}
 692 #endif
 693
 694 /******************************************************************************
 695  * IrDA
 696  ******************************************************************************/
 697 #if defined(CONFIG_PXA_FICP) || defined(CONFIG_PXA_FICP_MODULE)
 698 static struct pxaficp_platform_data spitz_ficp_platform_data = {
 699         .transceiver_cap        = IR_SIRMODE | IR_OFF,
 700 };
 701
 702 static void __init spitz_irda_init(void)
 703 {
 704         if (machine_is_akita())
 705                 spitz_ficp_platform_data.gpio_pwdown = AKITA_GPIO_IR_ON;
 706         else
 707                 spitz_ficp_platform_data.gpio_pwdown = SPITZ_GPIO_IR_ON;
 708
 709         pxa_set_ficp_info(&spitz_ficp_platform_data);
 710 }
 711 #else
 712 static inline void spitz_irda_init(void) {}
 713 #endif
 714
 715 /******************************************************************************
 716  * Framebuffer
 717  ******************************************************************************/
 718 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 719 static struct pxafb_mode_info spitz_pxafb_modes[] = {
 720         {
 721                 .pixclock       = 19231,
 722                 .xres           = 480,
 723                 .yres           = 640,
 724                 .bpp            = 16,
 725                 .hsync_len      = 40,
 726                 .left_margin    = 46,
 727                 .right_margin   = 125,
 728                 .vsync_len      = 3,
 729                 .upper_margin   = 1,
 730                 .lower_margin   = 0,
 731                 .sync           = 0,
 732         }, {
 733                 .pixclock       = 134617,
 734                 .xres           = 240,
 735                 .yres           = 320,
 736                 .bpp            = 16,
 737                 .hsync_len      = 20,
 738                 .left_margin    = 20,
 739                 .right_margin   = 46,
 740                 .vsync_len      = 2,
 741                 .upper_margin   = 1,
 742                 .lower_margin   = 0,
 743                 .sync           = 0,
 744         },
 745 };
 746
 747 static struct pxafb_mach_info spitz_pxafb_info = {
 748         .modes          = spitz_pxafb_modes,
 749         .num_modes      = ARRAY_SIZE(spitz_pxafb_modes),
 750         .fixed_modes    = 1,
 751         .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING,
 752 };
 753
 754 static void __init spitz_lcd_init(void)
 755 {
 756         pxa_set_fb_info(NULL, &spitz_pxafb_info);
 757 }
 758 #else
 759 static inline void spitz_lcd_init(void) {}
 760 #endif
 761
 762 /******************************************************************************
 763  * NAND Flash
 764  ******************************************************************************/
 765 #if defined(CONFIG_MTD_NAND_SHARPSL) || defined(CONFIG_MTD_NAND_SHARPSL_MODULE)
 766 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
 767
 768 static struct nand_bbt_descr spitz_nand_bbt = {
 769         .options        = 0,
 770         .offs           = 4,
 771         .len            = 2,
 772         .pattern        = scan_ff_pattern
 773 };
 774
 775 static int akita_ooblayout_ecc(struct mtd_info *mtd, int section,
 776                                struct mtd_oob_region *oobregion)
 777 {
 778         if (section > 12)
 779                 return -ERANGE;
 780
 781         switch (section % 3) {
 782         case 0:
 783                 oobregion->offset = 5;
 784                 oobregion->length = 1;
 785                 break;
 786
 787         case 1:
 788                 oobregion->offset = 1;
 789                 oobregion->length = 3;
 790                 break;
 791
 792         case 2:
 793                 oobregion->offset = 6;
 794                 oobregion->length = 2;
 795                 break;
 796         }
 797
 798         oobregion->offset += (section / 3) * 0x10;
 799
 800         return 0;
 801 }
 802
 803 static int akita_ooblayout_free(struct mtd_info *mtd, int section,
 804                                 struct mtd_oob_region *oobregion)
 805 {
 806         if (section)
 807                 return -ERANGE;
 808
 809         oobregion->offset = 8;
 810         oobregion->length = 9;
 811
 812         return 0;
 813 }
 814
 815 static const struct mtd_ooblayout_ops akita_ooblayout_ops = {
 816         .ecc = akita_ooblayout_ecc,
 817         .free = akita_ooblayout_free,
 818 };
 819
 820 static const char * const probes[] = {
 821         "cmdlinepart",
 822         "ofpart",
 823         "sharpslpart",
 824         NULL,
 825 };
 826
 827 static struct sharpsl_nand_platform_data spitz_nand_pdata = {
 828         .badblock_pattern       = &spitz_nand_bbt,
 829         .part_parsers           = probes,
 830 };
 831
 832 static struct resource spitz_nand_resources[] = {
 833         {
 834                 .start  = PXA_CS3_PHYS,
 835                 .end    = PXA_CS3_PHYS + SZ_4K - 1,
 836                 .flags  = IORESOURCE_MEM,
 837         },
 838 };
 839
 840 static struct platform_device spitz_nand_device = {
 841         .name           = "sharpsl-nand",
 842         .id             = -1,
 843         .resource       = spitz_nand_resources,
 844         .num_resources  = ARRAY_SIZE(spitz_nand_resources),
 845         .dev            = {
 846                 .platform_data  = &spitz_nand_pdata,
 847         }
 848 };
 849
 850 static void __init spitz_nand_init(void)
 851 {
 852         if (machine_is_akita() || machine_is_borzoi()) {
 853                 spitz_nand_bbt.len = 1;
 854                 spitz_nand_pdata.ecc_layout = &akita_ooblayout_ops;
 855         }
 856
 857         platform_device_register(&spitz_nand_device);
 858 }
 859 #else
 860 static inline void spitz_nand_init(void) {}
 861 #endif
 862
 863 /******************************************************************************
 864  * NOR Flash
 865  ******************************************************************************/
 866 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 867 static struct mtd_partition spitz_rom_parts[] = {
 868         {
 869                 .name   ="Boot PROM Filesystem",
 870                 .offset = 0x00140000,
 871                 .size   = MTDPART_SIZ_FULL,
 872         },
 873 };
 874
 875 static struct physmap_flash_data spitz_rom_data = {
 876         .width          = 2,
 877         .nr_parts       = ARRAY_SIZE(spitz_rom_parts),
 878         .parts          = spitz_rom_parts,
 879 };
 880
 881 static struct resource spitz_rom_resources[] = {
 882         {
 883                 .start  = PXA_CS0_PHYS,
 884                 .end    = PXA_CS0_PHYS + SZ_8M - 1,
 885                 .flags  = IORESOURCE_MEM,
 886         },
 887 };
 888
 889 static struct platform_device spitz_rom_device = {
 890         .name           = "physmap-flash",
 891         .id             = -1,
 892         .resource       = spitz_rom_resources,
 893         .num_resources  = ARRAY_SIZE(spitz_rom_resources),
 894         .dev            = {
 895                 .platform_data  = &spitz_rom_data,
 896         },
 897 };
 898
 899 static void __init spitz_nor_init(void)
 900 {
 901         platform_device_register(&spitz_rom_device);
 902 }
 903 #else
 904 static inline void spitz_nor_init(void) {}
 905 #endif
 906
 907 /******************************************************************************
 908  * I2C devices
 909  ******************************************************************************/
 910 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
 911 static struct pca953x_platform_data akita_pca953x_pdata = {
 912         .gpio_base              = AKITA_IOEXP_GPIO_BASE,
 913 };
 914
 915 static struct i2c_board_info spitz_i2c_devs[] = {
 916         {
 917                 .type           = "wm8750",
 918                 .addr           = 0x1b,
 919         }, {
 920                 .type           = "max7310",
 921                 .addr           = 0x18,
 922                 .platform_data  = &akita_pca953x_pdata,
 923         },
 924 };
 925
 926 static struct regulator_consumer_supply isl6271a_consumers[] = {
 927         REGULATOR_SUPPLY("vcc_core", NULL),
 928 };
 929
 930 static struct regulator_init_data isl6271a_info[] = {
 931         {
 932                 .constraints = {
 933                         .name           = "vcc_core range",
 934                         .min_uV         = 850000,
 935                         .max_uV         = 1600000,
 936                         .always_on      = 1,
 937                         .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 938                 },
 939         .consumer_supplies      = isl6271a_consumers,
 940         .num_consumer_supplies  = ARRAY_SIZE(isl6271a_consumers),
 941         }
 942 };
 943
 944 static struct i2c_board_info spitz_pi2c_devs[] = {
 945         {
 946                 .type           = "isl6271a",
 947                 .addr           = 0x0c,
 948                 .platform_data  = &isl6271a_info,
 949         },
 950 };
 951
 952 static void __init spitz_i2c_init(void)
 953 {
 954         int size = ARRAY_SIZE(spitz_i2c_devs);
 955
 956         /* Only Akita has the max7310 chip */
 957         if (!machine_is_akita())
 958                 size--;
 959
 960         pxa_set_i2c_info(NULL);
 961         pxa27x_set_i2c_power_info(NULL);
 962         i2c_register_board_info(0, spitz_i2c_devs, size);
 963         i2c_register_board_info(1, ARRAY_AND_SIZE(spitz_pi2c_devs));
 964 }
 965 #else
 966 static inline void spitz_i2c_init(void) {}
 967 #endif
 968
 969 /******************************************************************************
 970  * Audio devices
 971  ******************************************************************************/
 972 static inline void spitz_audio_init(void)
 973 {
 974         platform_device_register_simple("spitz-audio", -1, NULL, 0);
 975 }
 976
 977 /******************************************************************************
 978  * Machine init
 979  ******************************************************************************/
 980 static void spitz_poweroff(void)
 981 {
 982         pxa_restart(REBOOT_GPIO, NULL);
 983 }
 984
 985 static void spitz_restart(enum reboot_mode mode, const char *cmd)
 986 {
 987         uint32_t msc0 = __raw_readl(MSC0);
 988         /* Bootloader magic for a reboot */
 989         if ((msc0 & 0xffff0000) == 0x7ff00000)
 990                 __raw_writel((msc0 & 0xffff) | 0x7ee00000, MSC0);
 991
 992         spitz_poweroff();
 993 }
 994
 995 static void __init spitz_init(void)
 996 {
 997         init_gpio_reset(SPITZ_GPIO_ON_RESET, 1, 0);
 998         pm_power_off = spitz_poweroff;
 999
1000         PMCR = 0x00;
1001
1002         /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
1003         PCFR |= PCFR_OPDE;
1004
1005         pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config));
1006
1007         pxa_set_ffuart_info(NULL);
1008         pxa_set_btuart_info(NULL);
1009         pxa_set_stuart_info(NULL);
1010
1011         spitz_spi_init();
1012         spitz_scoop_init();
1013         spitz_mkp_init();
1014         spitz_keys_init();
1015         spitz_leds_init();
1016         spitz_mmc_init();
1017         spitz_pcmcia_init();
1018         spitz_irda_init();
1019         spitz_uhc_init();
1020         spitz_lcd_init();
1021         spitz_nor_init();
1022         spitz_nand_init();
1023         spitz_i2c_init();
1024         spitz_audio_init();
1025
1026         regulator_has_full_constraints();
1027 }
1028
1029 static void __init spitz_fixup(struct tag *tags, char **cmdline)
1030 {
1031         sharpsl_save_param();
1032         memblock_add(0xa0000000, SZ_64M);
1033 }
1034
1035 #ifdef CONFIG_MACH_SPITZ
1036 MACHINE_START(SPITZ, "SHARP Spitz")
1037         .fixup          = spitz_fixup,
1038         .map_io         = pxa27x_map_io,
1039         .nr_irqs        = PXA_NR_IRQS,
1040         .init_irq       = pxa27x_init_irq,
1041         .handle_irq     = pxa27x_handle_irq,
1042         .init_machine   = spitz_init,
1043         .init_time      = pxa_timer_init,
1044         .restart        = spitz_restart,
1045 MACHINE_END
1046 #endif
1047
1048 #ifdef CONFIG_MACH_BORZOI
1049 MACHINE_START(BORZOI, "SHARP Borzoi")
1050         .fixup          = spitz_fixup,
1051         .map_io         = pxa27x_map_io,
1052         .nr_irqs        = PXA_NR_IRQS,
1053         .init_irq       = pxa27x_init_irq,
1054         .handle_irq     = pxa27x_handle_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         .handle_irq     = pxa27x_handle_irq,
1068         .init_machine   = spitz_init,
1069         .init_time      = pxa_timer_init,
1070         .restart        = spitz_restart,
1071 MACHINE_END
1072 #endif