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/gpio/property.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/property.h>
  23 #include <linux/spi/spi.h>
  24 #include <linux/spi/ads7846.h>
  25 #include <linux/spi/corgi_lcd.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/property.h>
  33 #include <linux/reboot.h>
  34 #include <linux/memblock.h>
  35
  36 #include <asm/setup.h>
  37 #include <asm/mach-types.h>
  38 #include <asm/mach/arch.h>
  39 #include <asm/mach/sharpsl_param.h>
  40 #include <asm/hardware/scoop.h>
  41
  42 #include "pxa27x.h"
  43 #include "pxa27x-udc.h"
  44 #include "reset.h"
  45 #include <linux/platform_data/mmc-pxamci.h>
  46 #include <linux/platform_data/usb-ohci-pxa27x.h>
  47 #include <linux/platform_data/video-pxafb.h>
  48 #include "spitz.h"
  49 #include "sharpsl_pm.h"
  50 #include "smemc.h"
  51
  52 #include "generic.h"
  53 #include "devices.h"
  54
  55 /******************************************************************************
  56  * Pin configuration
  57  ******************************************************************************/
  58 static unsigned long spitz_pin_config[] __initdata = {
  59         /* Chip Selects */
  60         GPIO78_nCS_2,   /* SCOOP #2 */
  61         GPIO79_nCS_3,   /* NAND */
  62         GPIO80_nCS_4,   /* SCOOP #1 */
  63
  64         /* LCD - 16bpp Active TFT */
  65         GPIOxx_LCD_TFT_16BPP,
  66
  67         /* PC Card */
  68         GPIO48_nPOE,
  69         GPIO49_nPWE,
  70         GPIO50_nPIOR,
  71         GPIO51_nPIOW,
  72         GPIO85_nPCE_1,
  73         GPIO54_nPCE_2,
  74         GPIO55_nPREG,
  75         GPIO56_nPWAIT,
  76         GPIO57_nIOIS16,
  77         GPIO104_PSKTSEL,
  78
  79         /* I2S */
  80         GPIO28_I2S_BITCLK_OUT,
  81         GPIO29_I2S_SDATA_IN,
  82         GPIO30_I2S_SDATA_OUT,
  83         GPIO31_I2S_SYNC,
  84
  85         /* MMC */
  86         GPIO32_MMC_CLK,
  87         GPIO112_MMC_CMD,
  88         GPIO92_MMC_DAT_0,
  89         GPIO109_MMC_DAT_1,
  90         GPIO110_MMC_DAT_2,
  91         GPIO111_MMC_DAT_3,
  92
  93         /* GPIOs */
  94         GPIO9_GPIO,     /* SPITZ_GPIO_nSD_DETECT */
  95         GPIO16_GPIO,    /* SPITZ_GPIO_SYNC */
  96         GPIO81_GPIO,    /* SPITZ_GPIO_nSD_WP */
  97         GPIO41_GPIO,    /* SPITZ_GPIO_USB_CONNECT */
  98         GPIO37_GPIO,    /* SPITZ_GPIO_USB_HOST */
  99         GPIO35_GPIO,    /* SPITZ_GPIO_USB_DEVICE */
 100         GPIO22_GPIO,    /* SPITZ_GPIO_HSYNC */
 101         GPIO94_GPIO,    /* SPITZ_GPIO_CF_CD */
 102         GPIO105_GPIO,   /* SPITZ_GPIO_CF_IRQ */
 103         GPIO106_GPIO,   /* SPITZ_GPIO_CF2_IRQ */
 104
 105         /* GPIO matrix keypad */
 106         GPIO88_GPIO,    /* column 0 */
 107         GPIO23_GPIO,    /* column 1 */
 108         GPIO24_GPIO,    /* column 2 */
 109         GPIO25_GPIO,    /* column 3 */
 110         GPIO26_GPIO,    /* column 4 */
 111         GPIO27_GPIO,    /* column 5 */
 112         GPIO52_GPIO,    /* column 6 */
 113         GPIO103_GPIO,   /* column 7 */
 114         GPIO107_GPIO,   /* column 8 */
 115         GPIO108_GPIO,   /* column 9 */
 116         GPIO114_GPIO,   /* column 10 */
 117         GPIO12_GPIO,    /* row 0 */
 118         GPIO17_GPIO,    /* row 1 */
 119         GPIO91_GPIO,    /* row 2 */
 120         GPIO34_GPIO,    /* row 3 */
 121         GPIO36_GPIO,    /* row 4 */
 122         GPIO38_GPIO,    /* row 5 */
 123         GPIO39_GPIO,    /* row 6 */
 124
 125         /* I2C */
 126         GPIO117_I2C_SCL,
 127         GPIO118_I2C_SDA,
 128
 129         GPIO0_GPIO | WAKEUP_ON_EDGE_RISE,       /* SPITZ_GPIO_KEY_INT */
 130         GPIO1_GPIO | WAKEUP_ON_EDGE_FALL,       /* SPITZ_GPIO_RESET */
 131 };
 132
 133 static const struct software_node spitz_scoop_1_gpiochip_node = {
 134         .name = "sharp-scoop.0",
 135 };
 136
 137 /* Only on Spitz */
 138 static const struct software_node spitz_scoop_2_gpiochip_node = {
 139         .name = "sharp-scoop.1",
 140 };
 141
 142 /* Only on Akita */
 143 static const struct software_node akita_max7310_gpiochip_node = {
 144         .name = "i2c-max7310",
 145 };
 146
 147 /******************************************************************************
 148  * Scoop GPIO expander
 149  ******************************************************************************/
 150 #if defined(CONFIG_SHARP_SCOOP) || defined(CONFIG_SHARP_SCOOP_MODULE)
 151 /* SCOOP Device #1 */
 152 static struct resource spitz_scoop_1_resources[] = {
 153         [0] = {
 154                 .start          = 0x10800000,
 155                 .end            = 0x10800fff,
 156                 .flags          = IORESOURCE_MEM,
 157         },
 158 };
 159
 160 static struct scoop_config spitz_scoop_1_setup = {
 161         .io_dir         = SPITZ_SCP_IO_DIR,
 162         .io_out         = SPITZ_SCP_IO_OUT,
 163         .suspend_clr    = SPITZ_SCP_SUS_CLR,
 164         .suspend_set    = SPITZ_SCP_SUS_SET,
 165         .gpio_base      = SPITZ_SCP_GPIO_BASE,
 166 };
 167
 168 struct platform_device spitz_scoop_1_device = {
 169         .name           = "sharp-scoop",
 170         .id             = 0,
 171         .dev            = {
 172                 .platform_data  = &spitz_scoop_1_setup,
 173         },
 174         .num_resources  = ARRAY_SIZE(spitz_scoop_1_resources),
 175         .resource       = spitz_scoop_1_resources,
 176 };
 177
 178 /* SCOOP Device #2 */
 179 static struct resource spitz_scoop_2_resources[] = {
 180         [0] = {
 181                 .start          = 0x08800040,
 182                 .end            = 0x08800fff,
 183                 .flags          = IORESOURCE_MEM,
 184         },
 185 };
 186
 187 static struct scoop_config spitz_scoop_2_setup = {
 188         .io_dir         = SPITZ_SCP2_IO_DIR,
 189         .io_out         = SPITZ_SCP2_IO_OUT,
 190         .suspend_clr    = SPITZ_SCP2_SUS_CLR,
 191         .suspend_set    = SPITZ_SCP2_SUS_SET,
 192         .gpio_base      = SPITZ_SCP2_GPIO_BASE,
 193 };
 194
 195 struct platform_device spitz_scoop_2_device = {
 196         .name           = "sharp-scoop",
 197         .id             = 1,
 198         .dev            = {
 199                 .platform_data  = &spitz_scoop_2_setup,
 200         },
 201         .num_resources  = ARRAY_SIZE(spitz_scoop_2_resources),
 202         .resource       = spitz_scoop_2_resources,
 203 };
 204
 205 static void __init spitz_scoop_init(void)
 206 {
 207         platform_device_register(&spitz_scoop_1_device);
 208
 209         /* Akita doesn't have the second SCOOP chip */
 210         if (!machine_is_akita())
 211                 platform_device_register(&spitz_scoop_2_device);
 212 }
 213
 214 /* Power control is shared with between one of the CF slots and SD */
 215 static void __maybe_unused spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr)
 216 {
 217         unsigned short cpr;
 218         unsigned long flags;
 219
 220         if (new_cpr & 0x7) {
 221                 gpio_set_value(SPITZ_GPIO_CF_POWER, 1);
 222                 mdelay(5);
 223         }
 224
 225         local_irq_save(flags);
 226
 227         cpr = read_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR);
 228
 229         if (enable & new_cpr)
 230                 cpr |= new_cpr;
 231         else
 232                 cpr &= ~enable;
 233
 234         write_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR, cpr);
 235
 236         local_irq_restore(flags);
 237
 238         if (!(cpr & 0x7)) {
 239                 mdelay(1);
 240                 gpio_set_value(SPITZ_GPIO_CF_POWER, 0);
 241         }
 242 }
 243
 244 #else
 245 static inline void spitz_scoop_init(void) {}
 246 static inline void spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr) {}
 247 #endif
 248
 249 /******************************************************************************
 250  * PCMCIA
 251  ******************************************************************************/
 252 #if defined(CONFIG_PCMCIA_PXA2XX) || defined(CONFIG_PCMCIA_PXA2XX_MODULE)
 253 static void spitz_pcmcia_pwr(struct device *scoop, uint16_t cpr, int nr)
 254 {
 255         /* Only need to override behaviour for slot 0 */
 256         if (nr == 0)
 257                 spitz_card_pwr_ctrl(
 258                         cpr & (SCOOP_CPR_CF_3V | SCOOP_CPR_CF_XV), cpr);
 259         else
 260                 write_scoop_reg(scoop, SCOOP_CPR, cpr);
 261 }
 262
 263 static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
 264         {
 265                 .dev            = &spitz_scoop_1_device.dev,
 266                 .irq            = SPITZ_IRQ_GPIO_CF_IRQ,
 267                 .cd_irq         = SPITZ_IRQ_GPIO_CF_CD,
 268                 .cd_irq_str     = "PCMCIA0 CD",
 269         }, {
 270                 .dev            = &spitz_scoop_2_device.dev,
 271                 .irq            = SPITZ_IRQ_GPIO_CF2_IRQ,
 272                 .cd_irq         = -1,
 273         },
 274 };
 275
 276 static struct scoop_pcmcia_config spitz_pcmcia_config = {
 277         .devs           = &spitz_pcmcia_scoop[0],
 278         .num_devs       = 2,
 279         .power_ctrl     = spitz_pcmcia_pwr,
 280 };
 281
 282 static void __init spitz_pcmcia_init(void)
 283 {
 284         /* Akita has only one PCMCIA slot used */
 285         if (machine_is_akita())
 286                 spitz_pcmcia_config.num_devs = 1;
 287
 288         platform_scoop_config = &spitz_pcmcia_config;
 289 }
 290 #else
 291 static inline void spitz_pcmcia_init(void) {}
 292 #endif
 293
 294 /******************************************************************************
 295  * GPIO keyboard
 296  ******************************************************************************/
 297 #if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE)
 298
 299 #define SPITZ_KEY_CALENDAR      KEY_F1
 300 #define SPITZ_KEY_ADDRESS       KEY_F2
 301 #define SPITZ_KEY_FN            KEY_F3
 302 #define SPITZ_KEY_CANCEL        KEY_F4
 303 #define SPITZ_KEY_EXOK          KEY_F5
 304 #define SPITZ_KEY_EXCANCEL      KEY_F6
 305 #define SPITZ_KEY_EXJOGDOWN     KEY_F7
 306 #define SPITZ_KEY_EXJOGUP       KEY_F8
 307 #define SPITZ_KEY_JAP1          KEY_LEFTALT
 308 #define SPITZ_KEY_JAP2          KEY_RIGHTCTRL
 309 #define SPITZ_KEY_SYNC          KEY_F9
 310 #define SPITZ_KEY_MAIL          KEY_F10
 311 #define SPITZ_KEY_OK            KEY_F11
 312 #define SPITZ_KEY_MENU          KEY_F12
 313
 314 static const uint32_t spitz_keymap[] = {
 315         KEY(0, 0, KEY_LEFTCTRL),
 316         KEY(0, 1, KEY_1),
 317         KEY(0, 2, KEY_3),
 318         KEY(0, 3, KEY_5),
 319         KEY(0, 4, KEY_6),
 320         KEY(0, 5, KEY_7),
 321         KEY(0, 6, KEY_9),
 322         KEY(0, 7, KEY_0),
 323         KEY(0, 8, KEY_BACKSPACE),
 324         KEY(0, 9, SPITZ_KEY_EXOK),      /* EXOK */
 325         KEY(0, 10, SPITZ_KEY_EXCANCEL), /* EXCANCEL */
 326         KEY(1, 1, KEY_2),
 327         KEY(1, 2, KEY_4),
 328         KEY(1, 3, KEY_R),
 329         KEY(1, 4, KEY_Y),
 330         KEY(1, 5, KEY_8),
 331         KEY(1, 6, KEY_I),
 332         KEY(1, 7, KEY_O),
 333         KEY(1, 8, KEY_P),
 334         KEY(1, 9, SPITZ_KEY_EXJOGDOWN), /* EXJOGDOWN */
 335         KEY(1, 10, SPITZ_KEY_EXJOGUP),  /* EXJOGUP */
 336         KEY(2, 0, KEY_TAB),
 337         KEY(2, 1, KEY_Q),
 338         KEY(2, 2, KEY_E),
 339         KEY(2, 3, KEY_T),
 340         KEY(2, 4, KEY_G),
 341         KEY(2, 5, KEY_U),
 342         KEY(2, 6, KEY_J),
 343         KEY(2, 7, KEY_K),
 344         KEY(3, 0, SPITZ_KEY_ADDRESS),   /* ADDRESS */
 345         KEY(3, 1, KEY_W),
 346         KEY(3, 2, KEY_S),
 347         KEY(3, 3, KEY_F),
 348         KEY(3, 4, KEY_V),
 349         KEY(3, 5, KEY_H),
 350         KEY(3, 6, KEY_M),
 351         KEY(3, 7, KEY_L),
 352         KEY(3, 9, KEY_RIGHTSHIFT),
 353         KEY(4, 0, SPITZ_KEY_CALENDAR),  /* CALENDAR */
 354         KEY(4, 1, KEY_A),
 355         KEY(4, 2, KEY_D),
 356         KEY(4, 3, KEY_C),
 357         KEY(4, 4, KEY_B),
 358         KEY(4, 5, KEY_N),
 359         KEY(4, 6, KEY_DOT),
 360         KEY(4, 8, KEY_ENTER),
 361         KEY(4, 9, KEY_LEFTSHIFT),
 362         KEY(5, 0, SPITZ_KEY_MAIL),      /* MAIL */
 363         KEY(5, 1, KEY_Z),
 364         KEY(5, 2, KEY_X),
 365         KEY(5, 3, KEY_MINUS),
 366         KEY(5, 4, KEY_SPACE),
 367         KEY(5, 5, KEY_COMMA),
 368         KEY(5, 7, KEY_UP),
 369         KEY(5, 10, SPITZ_KEY_FN),       /* FN */
 370         KEY(6, 0, KEY_SYSRQ),
 371         KEY(6, 1, SPITZ_KEY_JAP1),      /* JAP1 */
 372         KEY(6, 2, SPITZ_KEY_JAP2),      /* JAP2 */
 373         KEY(6, 3, SPITZ_KEY_CANCEL),    /* CANCEL */
 374         KEY(6, 4, SPITZ_KEY_OK),        /* OK */
 375         KEY(6, 5, SPITZ_KEY_MENU),      /* MENU */
 376         KEY(6, 6, KEY_LEFT),
 377         KEY(6, 7, KEY_DOWN),
 378         KEY(6, 8, KEY_RIGHT),
 379 };
 380
 381 static const struct matrix_keymap_data spitz_keymap_data = {
 382         .keymap         = spitz_keymap,
 383         .keymap_size    = ARRAY_SIZE(spitz_keymap),
 384 };
 385
 386 static const uint32_t spitz_row_gpios[] =
 387                 { 12, 17, 91, 34, 36, 38, 39 };
 388 static const uint32_t spitz_col_gpios[] =
 389                 { 88, 23, 24, 25, 26, 27, 52, 103, 107, 108, 114 };
 390
 391 static struct matrix_keypad_platform_data spitz_mkp_pdata = {
 392         .keymap_data            = &spitz_keymap_data,
 393         .row_gpios              = spitz_row_gpios,
 394         .col_gpios              = spitz_col_gpios,
 395         .num_row_gpios          = ARRAY_SIZE(spitz_row_gpios),
 396         .num_col_gpios          = ARRAY_SIZE(spitz_col_gpios),
 397         .col_scan_delay_us      = 10,
 398         .debounce_ms            = 10,
 399         .wakeup                 = 1,
 400 };
 401
 402 static struct platform_device spitz_mkp_device = {
 403         .name           = "matrix-keypad",
 404         .id             = -1,
 405         .dev            = {
 406                 .platform_data  = &spitz_mkp_pdata,
 407         },
 408 };
 409
 410 static void __init spitz_mkp_init(void)
 411 {
 412         platform_device_register(&spitz_mkp_device);
 413 }
 414 #else
 415 static inline void spitz_mkp_init(void) {}
 416 #endif
 417
 418 /******************************************************************************
 419  * GPIO keys
 420  ******************************************************************************/
 421 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 422 static struct gpio_keys_button spitz_gpio_keys[] = {
 423         {
 424                 .type   = EV_PWR,
 425                 .code   = KEY_SUSPEND,
 426                 .gpio   = SPITZ_GPIO_ON_KEY,
 427                 .desc   = "On Off",
 428                 .wakeup = 1,
 429         },
 430         /* Two buttons detecting the lid state */
 431         {
 432                 .type   = EV_SW,
 433                 .code   = 0,
 434                 .gpio   = SPITZ_GPIO_SWA,
 435                 .desc   = "Display Down",
 436         },
 437         {
 438                 .type   = EV_SW,
 439                 .code   = 1,
 440                 .gpio   = SPITZ_GPIO_SWB,
 441                 .desc   = "Lid Closed",
 442         },
 443 };
 444
 445 static struct gpio_keys_platform_data spitz_gpio_keys_platform_data = {
 446         .buttons        = spitz_gpio_keys,
 447         .nbuttons       = ARRAY_SIZE(spitz_gpio_keys),
 448 };
 449
 450 static struct platform_device spitz_gpio_keys_device = {
 451         .name   = "gpio-keys",
 452         .id     = -1,
 453         .dev    = {
 454                 .platform_data  = &spitz_gpio_keys_platform_data,
 455         },
 456 };
 457
 458 static void __init spitz_keys_init(void)
 459 {
 460         platform_device_register(&spitz_gpio_keys_device);
 461 }
 462 #else
 463 static inline void spitz_keys_init(void) {}
 464 #endif
 465
 466 /******************************************************************************
 467  * LEDs
 468  ******************************************************************************/
 469 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 470 static const struct software_node spitz_gpio_leds_node = {
 471         .name = "spitz-leds",
 472 };
 473
 474 static const struct property_entry spitz_orange_led_props[] = {
 475         PROPERTY_ENTRY_STRING("linux,default-trigger", "sharpsl-charge"),
 476         PROPERTY_ENTRY_GPIO("gpios",
 477                             &spitz_scoop_1_gpiochip_node, 6, GPIO_ACTIVE_HIGH),
 478         { }
 479 };
 480
 481 static const struct software_node spitz_orange_led_node = {
 482         .name = "spitz:amber:charge",
 483         .parent = &spitz_gpio_leds_node,
 484         .properties = spitz_orange_led_props,
 485 };
 486
 487 static const struct property_entry spitz_green_led_props[] = {
 488         PROPERTY_ENTRY_STRING("linux,default-trigger", "disk-activity"),
 489         PROPERTY_ENTRY_GPIO("gpios",
 490                             &spitz_scoop_1_gpiochip_node, 0, GPIO_ACTIVE_HIGH),
 491         { }
 492 };
 493
 494 static const struct software_node spitz_green_led_node = {
 495         .name = "spitz:green:hddactivity",
 496         .parent = &spitz_gpio_leds_node,
 497         .properties = spitz_green_led_props,
 498 };
 499
 500 static const struct software_node *spitz_gpio_leds_swnodes[] = {
 501         &spitz_gpio_leds_node,
 502         &spitz_orange_led_node,
 503         &spitz_green_led_node,
 504         NULL
 505 };
 506
 507 static void __init spitz_leds_init(void)
 508 {
 509         struct platform_device_info led_info = {
 510                 .name   = "leds-gpio",
 511                 .id     = PLATFORM_DEVID_NONE,
 512         };
 513         struct platform_device *led_dev;
 514         int err;
 515
 516         err = software_node_register_node_group(spitz_gpio_leds_swnodes);
 517         if (err) {
 518                 pr_err("failed to register LED software nodes: %d\n", err);
 519                 return;
 520         }
 521
 522         led_info.fwnode = software_node_fwnode(&spitz_gpio_leds_node);
 523
 524         led_dev = platform_device_register_full(&led_info);
 525         err = PTR_ERR_OR_ZERO(led_dev);
 526         if (err)
 527                 pr_err("failed to create LED device: %d\n", err);
 528 }
 529 #else
 530 static inline void spitz_leds_init(void) {}
 531 #endif
 532
 533 /******************************************************************************
 534  * SSP Devices
 535  ******************************************************************************/
 536 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
 537
 538 static const struct property_entry spitz_ads7846_props[] = {
 539         PROPERTY_ENTRY_STRING("compatible", "ti,ads7846"),
 540         PROPERTY_ENTRY_U32("touchscreen-max-pressure", 1024),
 541         PROPERTY_ENTRY_U16("ti,x-plate-ohms", 419),
 542         PROPERTY_ENTRY_U16("ti,y-plate-ohms", 486),
 543         PROPERTY_ENTRY_U16("ti,vref-delay-usecs", 100),
 544         PROPERTY_ENTRY_GPIO("pendown-gpios", &pxa2xx_gpiochip_node,
 545                             SPITZ_GPIO_TP_INT, GPIO_ACTIVE_LOW),
 546         PROPERTY_ENTRY_GPIO("ti,hsync-gpios", &pxa2xx_gpiochip_node,
 547                             SPITZ_GPIO_HSYNC, GPIO_ACTIVE_LOW),
 548         { }
 549 };
 550
 551 static const struct software_node spitz_ads7846_swnode = {
 552         .name = "ads7846",
 553         .properties = spitz_ads7846_props,
 554 };
 555
 556 static const struct property_entry spitz_lcdcon_props[] = {
 557         PROPERTY_ENTRY_GPIO("BL_CONT-gpios",
 558                             &spitz_scoop_2_gpiochip_node, 6, GPIO_ACTIVE_LOW),
 559         PROPERTY_ENTRY_GPIO("BL_ON-gpios",
 560                             &spitz_scoop_2_gpiochip_node, 7, GPIO_ACTIVE_HIGH),
 561         { }
 562 };
 563
 564 static const struct property_entry akita_lcdcon_props[] = {
 565         PROPERTY_ENTRY_GPIO("BL_ON-gpios",
 566                             &akita_max7310_gpiochip_node, 3, GPIO_ACTIVE_HIGH),
 567         PROPERTY_ENTRY_GPIO("BL_CONT-gpios",
 568                             &akita_max7310_gpiochip_node, 4, GPIO_ACTIVE_LOW),
 569         { }
 570 };
 571
 572 static struct software_node spitz_lcdcon_node = {
 573         .name = "spitz-lcdcon",
 574 };
 575
 576 static struct corgi_lcd_platform_data spitz_lcdcon_info = {
 577         .init_mode              = CORGI_LCD_MODE_VGA,
 578         .max_intensity          = 0x2f,
 579         .default_intensity      = 0x1f,
 580         .limit_mask             = 0x0b,
 581         .kick_battery           = sharpsl_battery_kick,
 582 };
 583
 584 static struct spi_board_info spitz_spi_devices[] = {
 585         {
 586                 .modalias               = "ads7846",
 587                 .max_speed_hz           = 1200000,
 588                 .bus_num                = 2,
 589                 .chip_select            = 0,
 590                 .swnode                 = &spitz_ads7846_swnode,
 591                 .irq                    = PXA_GPIO_TO_IRQ(SPITZ_GPIO_TP_INT),
 592         }, {
 593                 .modalias               = "corgi-lcd",
 594                 .max_speed_hz           = 50000,
 595                 .bus_num                = 2,
 596                 .chip_select            = 1,
 597                 .platform_data          = &spitz_lcdcon_info,
 598                 .swnode                 = &spitz_lcdcon_node,
 599         }, {
 600                 .modalias               = "max1111",
 601                 .max_speed_hz           = 450000,
 602                 .bus_num                = 2,
 603                 .chip_select            = 2,
 604         },
 605 };
 606
 607 static const struct software_node_ref_args spitz_spi_gpio_refs[] = {
 608         SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, SPITZ_GPIO_ADS7846_CS,
 609                                 GPIO_ACTIVE_LOW),
 610         SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, SPITZ_GPIO_LCDCON_CS,
 611                                 GPIO_ACTIVE_LOW),
 612         SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, SPITZ_GPIO_MAX1111_CS,
 613                                 GPIO_ACTIVE_LOW),
 614 };
 615
 616 static const struct property_entry spitz_spi_properties[] = {
 617         PROPERTY_ENTRY_REF_ARRAY("gpios", spitz_spi_gpio_refs),
 618         { }
 619 };
 620
 621 static const struct platform_device_info spitz_spi_device_info = {
 622         .name = "pxa2xx-spi",
 623         /* pxa2xx-spi platform-device ID equals respective SSP platform-device ID + 1 */
 624         .id = 2,
 625         .properties = spitz_spi_properties,
 626 };
 627
 628 static void __init spitz_spi_init(void)
 629 {
 630         struct platform_device *pd;
 631         int err;
 632
 633         pd = platform_device_register_full(&spitz_spi_device_info);
 634         err = PTR_ERR_OR_ZERO(pd);
 635         if (err)
 636                 pr_err("pxa2xx-spi: failed to instantiate SPI controller: %d\n",
 637                        err);
 638
 639         spitz_lcdcon_node.properties = machine_is_akita() ?
 640                                         akita_lcdcon_props : spitz_lcdcon_props;
 641         spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices));
 642 }
 643 #else
 644 static inline void spitz_spi_init(void) {}
 645 #endif
 646
 647 /******************************************************************************
 648  * SD/MMC card controller
 649  ******************************************************************************/
 650 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
 651 /*
 652  * NOTE: The card detect interrupt isn't debounced so we delay it by 250ms to
 653  * give the card a chance to fully insert/eject.
 654  */
 655 static int spitz_mci_setpower(struct device *dev, unsigned int vdd)
 656 {
 657         struct pxamci_platform_data* p_d = dev->platform_data;
 658
 659         if ((1 << vdd) & p_d->ocr_mask)
 660                 spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, SCOOP_CPR_SD_3V);
 661         else
 662                 spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, 0x0);
 663
 664         return 0;
 665 }
 666
 667 static struct pxamci_platform_data spitz_mci_platform_data = {
 668         .detect_delay_ms        = 250,
 669         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 670         .setpower               = spitz_mci_setpower,
 671 };
 672
 673 static const struct property_entry spitz_mci_props[] __initconst = {
 674         PROPERTY_ENTRY_GPIO("cd-gpios", &pxa2xx_gpiochip_node,
 675                             SPITZ_GPIO_nSD_DETECT, GPIO_ACTIVE_LOW),
 676         PROPERTY_ENTRY_GPIO("wp-gpios", &pxa2xx_gpiochip_node,
 677                             SPITZ_GPIO_nSD_WP, GPIO_ACTIVE_LOW),
 678         { }
 679 };
 680
 681 static void __init spitz_mmc_init(void)
 682 {
 683         pxa_set_mci_info(&spitz_mci_platform_data, spitz_mci_props);
 684 }
 685 #else
 686 static inline void spitz_mmc_init(void) {}
 687 #endif
 688
 689 /******************************************************************************
 690  * USB Host
 691  ******************************************************************************/
 692 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 693 static int spitz_ohci_init(struct device *dev)
 694 {
 695         int err;
 696
 697         err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST");
 698         if (err)
 699                 return err;
 700
 701         /* Only Port 2 is connected, setup USB Port 2 Output Control Register */
 702         UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
 703
 704         return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1);
 705 }
 706
 707 static void spitz_ohci_exit(struct device *dev)
 708 {
 709         gpio_free(SPITZ_GPIO_USB_HOST);
 710 }
 711
 712 static struct pxaohci_platform_data spitz_ohci_platform_data = {
 713         .port_mode      = PMM_NPS_MODE,
 714         .init           = spitz_ohci_init,
 715         .exit           = spitz_ohci_exit,
 716         .flags          = ENABLE_PORT_ALL | NO_OC_PROTECTION,
 717         .power_budget   = 150,
 718 };
 719
 720 static void __init spitz_uhc_init(void)
 721 {
 722         pxa_set_ohci_info(&spitz_ohci_platform_data);
 723 }
 724 #else
 725 static inline void spitz_uhc_init(void) {}
 726 #endif
 727
 728 /******************************************************************************
 729  * Framebuffer
 730  ******************************************************************************/
 731 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 732 static struct pxafb_mode_info spitz_pxafb_modes[] = {
 733         {
 734                 .pixclock       = 19231,
 735                 .xres           = 480,
 736                 .yres           = 640,
 737                 .bpp            = 16,
 738                 .hsync_len      = 40,
 739                 .left_margin    = 46,
 740                 .right_margin   = 125,
 741                 .vsync_len      = 3,
 742                 .upper_margin   = 1,
 743                 .lower_margin   = 0,
 744                 .sync           = 0,
 745         }, {
 746                 .pixclock       = 134617,
 747                 .xres           = 240,
 748                 .yres           = 320,
 749                 .bpp            = 16,
 750                 .hsync_len      = 20,
 751                 .left_margin    = 20,
 752                 .right_margin   = 46,
 753                 .vsync_len      = 2,
 754                 .upper_margin   = 1,
 755                 .lower_margin   = 0,
 756                 .sync           = 0,
 757         },
 758 };
 759
 760 static struct pxafb_mach_info spitz_pxafb_info = {
 761         .modes          = spitz_pxafb_modes,
 762         .num_modes      = ARRAY_SIZE(spitz_pxafb_modes),
 763         .fixed_modes    = 1,
 764         .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING,
 765 };
 766
 767 static void __init spitz_lcd_init(void)
 768 {
 769         pxa_set_fb_info(NULL, &spitz_pxafb_info);
 770 }
 771 #else
 772 static inline void spitz_lcd_init(void) {}
 773 #endif
 774
 775 /******************************************************************************
 776  * NAND Flash
 777  ******************************************************************************/
 778 #if defined(CONFIG_MTD_NAND_SHARPSL) || defined(CONFIG_MTD_NAND_SHARPSL_MODULE)
 779 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
 780
 781 static struct nand_bbt_descr spitz_nand_bbt = {
 782         .options        = 0,
 783         .offs           = 4,
 784         .len            = 2,
 785         .pattern        = scan_ff_pattern
 786 };
 787
 788 static int akita_ooblayout_ecc(struct mtd_info *mtd, int section,
 789                                struct mtd_oob_region *oobregion)
 790 {
 791         if (section > 12)
 792                 return -ERANGE;
 793
 794         switch (section % 3) {
 795         case 0:
 796                 oobregion->offset = 5;
 797                 oobregion->length = 1;
 798                 break;
 799
 800         case 1:
 801                 oobregion->offset = 1;
 802                 oobregion->length = 3;
 803                 break;
 804
 805         case 2:
 806                 oobregion->offset = 6;
 807                 oobregion->length = 2;
 808                 break;
 809         }
 810
 811         oobregion->offset += (section / 3) * 0x10;
 812
 813         return 0;
 814 }
 815
 816 static int akita_ooblayout_free(struct mtd_info *mtd, int section,
 817                                 struct mtd_oob_region *oobregion)
 818 {
 819         if (section)
 820                 return -ERANGE;
 821
 822         oobregion->offset = 8;
 823         oobregion->length = 9;
 824
 825         return 0;
 826 }
 827
 828 static const struct mtd_ooblayout_ops akita_ooblayout_ops = {
 829         .ecc = akita_ooblayout_ecc,
 830         .free = akita_ooblayout_free,
 831 };
 832
 833 static const char * const probes[] = {
 834         "cmdlinepart",
 835         "ofpart",
 836         "sharpslpart",
 837         NULL,
 838 };
 839
 840 static struct sharpsl_nand_platform_data spitz_nand_pdata = {
 841         .badblock_pattern       = &spitz_nand_bbt,
 842         .part_parsers           = probes,
 843 };
 844
 845 static struct resource spitz_nand_resources[] = {
 846         {
 847                 .start  = PXA_CS3_PHYS,
 848                 .end    = PXA_CS3_PHYS + SZ_4K - 1,
 849                 .flags  = IORESOURCE_MEM,
 850         },
 851 };
 852
 853 static struct platform_device spitz_nand_device = {
 854         .name           = "sharpsl-nand",
 855         .id             = -1,
 856         .resource       = spitz_nand_resources,
 857         .num_resources  = ARRAY_SIZE(spitz_nand_resources),
 858         .dev            = {
 859                 .platform_data  = &spitz_nand_pdata,
 860         }
 861 };
 862
 863 static void __init spitz_nand_init(void)
 864 {
 865         if (machine_is_akita() || machine_is_borzoi()) {
 866                 spitz_nand_bbt.len = 1;
 867                 spitz_nand_pdata.ecc_layout = &akita_ooblayout_ops;
 868         }
 869
 870         platform_device_register(&spitz_nand_device);
 871 }
 872 #else
 873 static inline void spitz_nand_init(void) {}
 874 #endif
 875
 876 /******************************************************************************
 877  * NOR Flash
 878  ******************************************************************************/
 879 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 880 static struct mtd_partition spitz_rom_parts[] = {
 881         {
 882                 .name   ="Boot PROM Filesystem",
 883                 .offset = 0x00140000,
 884                 .size   = MTDPART_SIZ_FULL,
 885         },
 886 };
 887
 888 static struct physmap_flash_data spitz_rom_data = {
 889         .width          = 2,
 890         .nr_parts       = ARRAY_SIZE(spitz_rom_parts),
 891         .parts          = spitz_rom_parts,
 892 };
 893
 894 static struct resource spitz_rom_resources[] = {
 895         {
 896                 .start  = PXA_CS0_PHYS,
 897                 .end    = PXA_CS0_PHYS + SZ_8M - 1,
 898                 .flags  = IORESOURCE_MEM,
 899         },
 900 };
 901
 902 static struct platform_device spitz_rom_device = {
 903         .name           = "physmap-flash",
 904         .id             = -1,
 905         .resource       = spitz_rom_resources,
 906         .num_resources  = ARRAY_SIZE(spitz_rom_resources),
 907         .dev            = {
 908                 .platform_data  = &spitz_rom_data,
 909         },
 910 };
 911
 912 static void __init spitz_nor_init(void)
 913 {
 914         platform_device_register(&spitz_rom_device);
 915 }
 916 #else
 917 static inline void spitz_nor_init(void) {}
 918 #endif
 919
 920 /******************************************************************************
 921  * I2C devices
 922  ******************************************************************************/
 923 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
 924 static struct pca953x_platform_data akita_pca953x_pdata = {
 925         .gpio_base              = AKITA_IOEXP_GPIO_BASE,
 926 };
 927
 928 static struct i2c_board_info spitz_i2c_devs[] = {
 929         {
 930                 .type           = "wm8750",
 931                 .addr           = 0x1b,
 932         }, {
 933                 .type           = "max7310",
 934                 .addr           = 0x18,
 935                 .platform_data  = &akita_pca953x_pdata,
 936         },
 937 };
 938
 939 static struct regulator_consumer_supply isl6271a_consumers[] = {
 940         REGULATOR_SUPPLY("vcc_core", NULL),
 941 };
 942
 943 static struct regulator_init_data isl6271a_info[] = {
 944         {
 945                 .constraints = {
 946                         .name           = "vcc_core range",
 947                         .min_uV         = 850000,
 948                         .max_uV         = 1600000,
 949                         .always_on      = 1,
 950                         .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 951                 },
 952         .consumer_supplies      = isl6271a_consumers,
 953         .num_consumer_supplies  = ARRAY_SIZE(isl6271a_consumers),
 954         }
 955 };
 956
 957 static struct i2c_board_info spitz_pi2c_devs[] = {
 958         {
 959                 .type           = "isl6271a",
 960                 .addr           = 0x0c,
 961                 .platform_data  = &isl6271a_info,
 962         },
 963 };
 964
 965 static void __init spitz_i2c_init(void)
 966 {
 967         int size = ARRAY_SIZE(spitz_i2c_devs);
 968
 969         /* Only Akita has the max7310 chip */
 970         if (!machine_is_akita())
 971                 size--;
 972
 973         pxa_set_i2c_info(NULL);
 974         pxa27x_set_i2c_power_info(NULL);
 975         i2c_register_board_info(0, spitz_i2c_devs, size);
 976         i2c_register_board_info(1, ARRAY_AND_SIZE(spitz_pi2c_devs));
 977 }
 978 #else
 979 static inline void spitz_i2c_init(void) {}
 980 #endif
 981
 982 static const struct property_entry spitz_audio_props[] = {
 983         PROPERTY_ENTRY_GPIO("mute-l-gpios", &spitz_scoop_1_gpiochip_node, 3,
 984                             GPIO_ACTIVE_HIGH),
 985         PROPERTY_ENTRY_GPIO("mute-r-gpios", &spitz_scoop_1_gpiochip_node, 4,
 986                             GPIO_ACTIVE_HIGH),
 987         PROPERTY_ENTRY_GPIO("mic-gpios", &spitz_scoop_2_gpiochip_node, 8,
 988                             GPIO_ACTIVE_HIGH),
 989         { }
 990 };
 991
 992 static const struct property_entry akita_audio_props[] = {
 993         PROPERTY_ENTRY_GPIO("mute-l-gpios", &spitz_scoop_1_gpiochip_node, 3,
 994                             GPIO_ACTIVE_HIGH),
 995         PROPERTY_ENTRY_GPIO("mute-r-gpios", &spitz_scoop_1_gpiochip_node, 4,
 996                             GPIO_ACTIVE_HIGH),
 997         PROPERTY_ENTRY_GPIO("mic-gpios", &akita_max7310_gpiochip_node, 2,
 998                             GPIO_ACTIVE_HIGH),
 999         { }
1000 };
1001
1002 /******************************************************************************
1003  * Audio devices
1004  ******************************************************************************/
1005 static inline void spitz_audio_init(void)
1006 {
1007         struct platform_device_info audio_info = {
1008                 .name = "spitz-audio",
1009                 .id = PLATFORM_DEVID_NONE,
1010                 .properties = machine_is_akita() ?
1011                                 akita_audio_props : spitz_audio_props,
1012         };
1013
1014         platform_device_register_full(&audio_info);
1015 }
1016
1017 /******************************************************************************
1018  * Machine init
1019  ******************************************************************************/
1020 static void spitz_poweroff(void)
1021 {
1022         pxa_restart(REBOOT_GPIO, NULL);
1023 }
1024
1025 static void spitz_restart(enum reboot_mode mode, const char *cmd)
1026 {
1027         uint32_t msc0 = __raw_readl(MSC0);
1028         /* Bootloader magic for a reboot */
1029         if ((msc0 & 0xffff0000) == 0x7ff00000)
1030                 __raw_writel((msc0 & 0xffff) | 0x7ee00000, MSC0);
1031
1032         spitz_poweroff();
1033 }
1034
1035 static void __init spitz_init(void)
1036 {
1037         software_node_register(&spitz_scoop_1_gpiochip_node);
1038         if (machine_is_akita())
1039                 software_node_register(&akita_max7310_gpiochip_node);
1040         else
1041                 software_node_register(&spitz_scoop_2_gpiochip_node);
1042
1043         init_gpio_reset(SPITZ_GPIO_ON_RESET, 1, 0);
1044         pm_power_off = spitz_poweroff;
1045
1046         PMCR = 0x00;
1047
1048         /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
1049         PCFR |= PCFR_OPDE;
1050
1051         pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config));
1052
1053         pxa_set_ffuart_info(NULL);
1054         pxa_set_btuart_info(NULL);
1055         pxa_set_stuart_info(NULL);
1056
1057         spitz_spi_init();
1058         spitz_scoop_init();
1059         spitz_mkp_init();
1060         spitz_keys_init();
1061         spitz_leds_init();
1062         spitz_mmc_init();
1063         spitz_pcmcia_init();
1064         spitz_uhc_init();
1065         spitz_lcd_init();
1066         spitz_nor_init();
1067         spitz_nand_init();
1068         spitz_i2c_init();
1069         spitz_audio_init();
1070
1071         regulator_has_full_constraints();
1072 }
1073
1074 static void __init spitz_fixup(struct tag *tags, char **cmdline)
1075 {
1076         sharpsl_save_param();
1077         memblock_add(0xa0000000, SZ_64M);
1078 }
1079
1080 #ifdef CONFIG_MACH_SPITZ
1081 MACHINE_START(SPITZ, "SHARP Spitz")
1082         .fixup          = spitz_fixup,
1083         .map_io         = pxa27x_map_io,
1084         .nr_irqs        = PXA_NR_IRQS,
1085         .init_irq       = pxa27x_init_irq,
1086         .init_machine   = spitz_init,
1087         .init_time      = pxa_timer_init,
1088         .restart        = spitz_restart,
1089 MACHINE_END
1090 #endif
1091
1092 #ifdef CONFIG_MACH_BORZOI
1093 MACHINE_START(BORZOI, "SHARP Borzoi")
1094         .fixup          = spitz_fixup,
1095         .map_io         = pxa27x_map_io,
1096         .nr_irqs        = PXA_NR_IRQS,
1097         .init_irq       = pxa27x_init_irq,
1098         .init_machine   = spitz_init,
1099         .init_time      = pxa_timer_init,
1100         .restart        = spitz_restart,
1101 MACHINE_END
1102 #endif
1103
1104 #ifdef CONFIG_MACH_AKITA
1105 MACHINE_START(AKITA, "SHARP Akita")
1106         .fixup          = spitz_fixup,
1107         .map_io         = pxa27x_map_io,
1108         .nr_irqs        = PXA_NR_IRQS,
1109         .init_irq       = pxa27x_init_irq,
1110         .init_machine   = spitz_init,
1111         .init_time      = pxa_timer_init,
1112         .restart        = spitz_restart,
1113 MACHINE_END
1114 #endif