spitz.c 25 KB
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019
/*
 * Support for Sharp SL-Cxx00 Series of PDAs
 * Models: SL-C3000 (Spitz), SL-C1000 (Akita) and SL-C3100 (Borzoi)
 *
 * Copyright (c) 2005 Richard Purdie
 *
 * Based on Sharp's 2.4 kernel patches/lubbock.c
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 */

#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/gpio_keys.h>
#include <linux/gpio.h>
#include <linux/leds.h>
#include <linux/i2c.h>
#include <linux/i2c/pxa-i2c.h>
#include <linux/i2c/pca953x.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
#include <linux/spi/corgi_lcd.h>
#include <linux/spi/pxa2xx_spi.h>
#include <linux/mtd/sharpsl.h>
#include <linux/mtd/physmap.h>
#include <linux/input/matrix_keypad.h>
#include <linux/regulator/machine.h>
#include <linux/io.h>
#include <linux/module.h>

#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/sharpsl_param.h>
#include <asm/hardware/scoop.h>

#include <mach/pxa27x.h>
#include <mach/pxa27x-udc.h>
#include <mach/reset.h>
#include <mach/irda.h>
#include <mach/mmc.h>
#include <mach/ohci.h>
#include <mach/pxafb.h>
#include <mach/spitz.h>
#include <mach/sharpsl_pm.h>
#include <mach/smemc.h>

#include "generic.h"
#include "devices.h"

/******************************************************************************
 * Pin configuration
 ******************************************************************************/
static unsigned long spitz_pin_config[] __initdata = {
	/* Chip Selects */
	GPIO78_nCS_2,	/* SCOOP #2 */
	GPIO79_nCS_3,	/* NAND */
	GPIO80_nCS_4,	/* SCOOP #1 */

	/* LCD - 16bpp Active TFT */
	GPIOxx_LCD_TFT_16BPP,

	/* PC Card */
	GPIO48_nPOE,
	GPIO49_nPWE,
	GPIO50_nPIOR,
	GPIO51_nPIOW,
	GPIO85_nPCE_1,
	GPIO54_nPCE_2,
	GPIO55_nPREG,
	GPIO56_nPWAIT,
	GPIO57_nIOIS16,
	GPIO104_PSKTSEL,

	/* I2S */
	GPIO28_I2S_BITCLK_OUT,
	GPIO29_I2S_SDATA_IN,
	GPIO30_I2S_SDATA_OUT,
	GPIO31_I2S_SYNC,

	/* MMC */
	GPIO32_MMC_CLK,
	GPIO112_MMC_CMD,
	GPIO92_MMC_DAT_0,
	GPIO109_MMC_DAT_1,
	GPIO110_MMC_DAT_2,
	GPIO111_MMC_DAT_3,

	/* GPIOs */
	GPIO9_GPIO,	/* SPITZ_GPIO_nSD_DETECT */
	GPIO16_GPIO,	/* SPITZ_GPIO_SYNC */
	GPIO81_GPIO,	/* SPITZ_GPIO_nSD_WP */
	GPIO41_GPIO,	/* SPITZ_GPIO_USB_CONNECT */
	GPIO37_GPIO,	/* SPITZ_GPIO_USB_HOST */
	GPIO35_GPIO,	/* SPITZ_GPIO_USB_DEVICE */
	GPIO22_GPIO,	/* SPITZ_GPIO_HSYNC */
	GPIO94_GPIO,	/* SPITZ_GPIO_CF_CD */
	GPIO105_GPIO,	/* SPITZ_GPIO_CF_IRQ */
	GPIO106_GPIO,	/* SPITZ_GPIO_CF2_IRQ */

	/* GPIO matrix keypad */
	GPIO88_GPIO,	/* column 0 */
	GPIO23_GPIO,	/* column 1 */
	GPIO24_GPIO,	/* column 2 */
	GPIO25_GPIO,	/* column 3 */
	GPIO26_GPIO,	/* column 4 */
	GPIO27_GPIO,	/* column 5 */
	GPIO52_GPIO,	/* column 6 */
	GPIO103_GPIO,	/* column 7 */
	GPIO107_GPIO,	/* column 8 */
	GPIO108_GPIO,	/* column 9 */
	GPIO114_GPIO,	/* column 10 */
	GPIO12_GPIO,	/* row 0 */
	GPIO17_GPIO,	/* row 1 */
	GPIO91_GPIO,	/* row 2 */
	GPIO34_GPIO,	/* row 3 */
	GPIO36_GPIO,	/* row 4 */
	GPIO38_GPIO,	/* row 5 */
	GPIO39_GPIO,	/* row 6 */

	/* I2C */
	GPIO117_I2C_SCL,
	GPIO118_I2C_SDA,

	GPIO0_GPIO | WAKEUP_ON_EDGE_RISE,	/* SPITZ_GPIO_KEY_INT */
	GPIO1_GPIO | WAKEUP_ON_EDGE_FALL,	/* SPITZ_GPIO_RESET */
};


/******************************************************************************
 * Scoop GPIO expander
 ******************************************************************************/
#if defined(CONFIG_SHARP_SCOOP) || defined(CONFIG_SHARP_SCOOP_MODULE)
/* SCOOP Device #1 */
static struct resource spitz_scoop_1_resources[] = {
	[0] = {
		.start		= 0x10800000,
		.end		= 0x10800fff,
		.flags		= IORESOURCE_MEM,
	},
};

static struct scoop_config spitz_scoop_1_setup = {
	.io_dir		= SPITZ_SCP_IO_DIR,
	.io_out		= SPITZ_SCP_IO_OUT,
	.suspend_clr	= SPITZ_SCP_SUS_CLR,
	.suspend_set	= SPITZ_SCP_SUS_SET,
	.gpio_base	= SPITZ_SCP_GPIO_BASE,
};

struct platform_device spitz_scoop_1_device = {
	.name		= "sharp-scoop",
	.id		= 0,
	.dev		= {
		.platform_data	= &spitz_scoop_1_setup,
	},
	.num_resources	= ARRAY_SIZE(spitz_scoop_1_resources),
	.resource	= spitz_scoop_1_resources,
};

/* SCOOP Device #2 */
static struct resource spitz_scoop_2_resources[] = {
	[0] = {
		.start		= 0x08800040,
		.end		= 0x08800fff,
		.flags		= IORESOURCE_MEM,
	},
};

static struct scoop_config spitz_scoop_2_setup = {
	.io_dir		= SPITZ_SCP2_IO_DIR,
	.io_out		= SPITZ_SCP2_IO_OUT,
	.suspend_clr	= SPITZ_SCP2_SUS_CLR,
	.suspend_set	= SPITZ_SCP2_SUS_SET,
	.gpio_base	= SPITZ_SCP2_GPIO_BASE,
};

struct platform_device spitz_scoop_2_device = {
	.name		= "sharp-scoop",
	.id		= 1,
	.dev		= {
		.platform_data	= &spitz_scoop_2_setup,
	},
	.num_resources	= ARRAY_SIZE(spitz_scoop_2_resources),
	.resource	= spitz_scoop_2_resources,
};

static void __init spitz_scoop_init(void)
{
	platform_device_register(&spitz_scoop_1_device);

	/* Akita doesn't have the second SCOOP chip */
	if (!machine_is_akita())
		platform_device_register(&spitz_scoop_2_device);
}

/* Power control is shared with between one of the CF slots and SD */
static void spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr)
{
	unsigned short cpr;
	unsigned long flags;

	if (new_cpr & 0x7) {
		gpio_set_value(SPITZ_GPIO_CF_POWER, 1);
		mdelay(5);
	}

	local_irq_save(flags);

	cpr = read_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR);

	if (enable & new_cpr)
		cpr |= new_cpr;
	else
		cpr &= ~enable;

	write_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR, cpr);

	local_irq_restore(flags);

	if (!(cpr & 0x7)) {
		mdelay(1);
		gpio_set_value(SPITZ_GPIO_CF_POWER, 0);
	}
}

#else
static inline void spitz_scoop_init(void) {}
static inline void spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr) {}
#endif

/******************************************************************************
 * PCMCIA
 ******************************************************************************/
#if defined(CONFIG_PCMCIA_PXA2XX) || defined(CONFIG_PCMCIA_PXA2XX_MODULE)
static void spitz_pcmcia_pwr(struct device *scoop, uint16_t cpr, int nr)
{
	/* Only need to override behaviour for slot 0 */
	if (nr == 0)
		spitz_card_pwr_ctrl(
			cpr & (SCOOP_CPR_CF_3V | SCOOP_CPR_CF_XV), cpr);
	else
		write_scoop_reg(scoop, SCOOP_CPR, cpr);
}

static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
	{
		.dev		= &spitz_scoop_1_device.dev,
		.irq		= SPITZ_IRQ_GPIO_CF_IRQ,
		.cd_irq		= SPITZ_IRQ_GPIO_CF_CD,
		.cd_irq_str	= "PCMCIA0 CD",
	}, {
		.dev		= &spitz_scoop_2_device.dev,
		.irq		= SPITZ_IRQ_GPIO_CF2_IRQ,
		.cd_irq		= -1,
	},
};

static struct scoop_pcmcia_config spitz_pcmcia_config = {
	.devs		= &spitz_pcmcia_scoop[0],
	.num_devs	= 2,
	.power_ctrl	= spitz_pcmcia_pwr,
};

static void __init spitz_pcmcia_init(void)
{
	/* Akita has only one PCMCIA slot used */
	if (machine_is_akita())
		spitz_pcmcia_config.num_devs = 1;

	platform_scoop_config = &spitz_pcmcia_config;
}
#else
static inline void spitz_pcmcia_init(void) {}
#endif

/******************************************************************************
 * GPIO keyboard
 ******************************************************************************/
#if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE)

#define SPITZ_KEY_CALENDAR	KEY_F1
#define SPITZ_KEY_ADDRESS	KEY_F2
#define SPITZ_KEY_FN		KEY_F3
#define SPITZ_KEY_CANCEL	KEY_F4
#define SPITZ_KEY_EXOK		KEY_F5
#define SPITZ_KEY_EXCANCEL	KEY_F6
#define SPITZ_KEY_EXJOGDOWN	KEY_F7
#define SPITZ_KEY_EXJOGUP	KEY_F8
#define SPITZ_KEY_JAP1		KEY_LEFTALT
#define SPITZ_KEY_JAP2		KEY_RIGHTCTRL
#define SPITZ_KEY_SYNC		KEY_F9
#define SPITZ_KEY_MAIL		KEY_F10
#define SPITZ_KEY_OK		KEY_F11
#define SPITZ_KEY_MENU		KEY_F12

static const uint32_t spitz_keymap[] = {
	KEY(0, 0, KEY_LEFTCTRL),
	KEY(0, 1, KEY_1),
	KEY(0, 2, KEY_3),
	KEY(0, 3, KEY_5),
	KEY(0, 4, KEY_6),
	KEY(0, 5, KEY_7),
	KEY(0, 6, KEY_9),
	KEY(0, 7, KEY_0),
	KEY(0, 8, KEY_BACKSPACE),
	KEY(0, 9, SPITZ_KEY_EXOK),	/* EXOK */
	KEY(0, 10, SPITZ_KEY_EXCANCEL),	/* EXCANCEL */
	KEY(1, 1, KEY_2),
	KEY(1, 2, KEY_4),
	KEY(1, 3, KEY_R),
	KEY(1, 4, KEY_Y),
	KEY(1, 5, KEY_8),
	KEY(1, 6, KEY_I),
	KEY(1, 7, KEY_O),
	KEY(1, 8, KEY_P),
	KEY(1, 9, SPITZ_KEY_EXJOGDOWN),	/* EXJOGDOWN */
	KEY(1, 10, SPITZ_KEY_EXJOGUP),	/* EXJOGUP */
	KEY(2, 0, KEY_TAB),
	KEY(2, 1, KEY_Q),
	KEY(2, 2, KEY_E),
	KEY(2, 3, KEY_T),
	KEY(2, 4, KEY_G),
	KEY(2, 5, KEY_U),
	KEY(2, 6, KEY_J),
	KEY(2, 7, KEY_K),
	KEY(3, 0, SPITZ_KEY_ADDRESS),	/* ADDRESS */
	KEY(3, 1, KEY_W),
	KEY(3, 2, KEY_S),
	KEY(3, 3, KEY_F),
	KEY(3, 4, KEY_V),
	KEY(3, 5, KEY_H),
	KEY(3, 6, KEY_M),
	KEY(3, 7, KEY_L),
	KEY(3, 9, KEY_RIGHTSHIFT),
	KEY(4, 0, SPITZ_KEY_CALENDAR),	/* CALENDAR */
	KEY(4, 1, KEY_A),
	KEY(4, 2, KEY_D),
	KEY(4, 3, KEY_C),
	KEY(4, 4, KEY_B),
	KEY(4, 5, KEY_N),
	KEY(4, 6, KEY_DOT),
	KEY(4, 8, KEY_ENTER),
	KEY(4, 9, KEY_LEFTSHIFT),
	KEY(5, 0, SPITZ_KEY_MAIL),	/* MAIL */
	KEY(5, 1, KEY_Z),
	KEY(5, 2, KEY_X),
	KEY(5, 3, KEY_MINUS),
	KEY(5, 4, KEY_SPACE),
	KEY(5, 5, KEY_COMMA),
	KEY(5, 7, KEY_UP),
	KEY(5, 10, SPITZ_KEY_FN),	/* FN */
	KEY(6, 0, KEY_SYSRQ),
	KEY(6, 1, SPITZ_KEY_JAP1),	/* JAP1 */
	KEY(6, 2, SPITZ_KEY_JAP2),	/* JAP2 */
	KEY(6, 3, SPITZ_KEY_CANCEL),	/* CANCEL */
	KEY(6, 4, SPITZ_KEY_OK),	/* OK */
	KEY(6, 5, SPITZ_KEY_MENU),	/* MENU */
	KEY(6, 6, KEY_LEFT),
	KEY(6, 7, KEY_DOWN),
	KEY(6, 8, KEY_RIGHT),
};

static const struct matrix_keymap_data spitz_keymap_data = {
	.keymap		= spitz_keymap,
	.keymap_size	= ARRAY_SIZE(spitz_keymap),
};

static const uint32_t spitz_row_gpios[] =
		{ 12, 17, 91, 34, 36, 38, 39 };
static const uint32_t spitz_col_gpios[] =
		{ 88, 23, 24, 25, 26, 27, 52, 103, 107, 108, 114 };

static struct matrix_keypad_platform_data spitz_mkp_pdata = {
	.keymap_data		= &spitz_keymap_data,
	.row_gpios		= spitz_row_gpios,
	.col_gpios		= spitz_col_gpios,
	.num_row_gpios		= ARRAY_SIZE(spitz_row_gpios),
	.num_col_gpios		= ARRAY_SIZE(spitz_col_gpios),
	.col_scan_delay_us	= 10,
	.debounce_ms		= 10,
	.wakeup			= 1,
};

static struct platform_device spitz_mkp_device = {
	.name		= "matrix-keypad",
	.id		= -1,
	.dev		= {
		.platform_data	= &spitz_mkp_pdata,
	},
};

static void __init spitz_mkp_init(void)
{
	platform_device_register(&spitz_mkp_device);
}
#else
static inline void spitz_mkp_init(void) {}
#endif

/******************************************************************************
 * GPIO keys
 ******************************************************************************/
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
static struct gpio_keys_button spitz_gpio_keys[] = {
	{
		.type	= EV_PWR,
		.code	= KEY_SUSPEND,
		.gpio	= SPITZ_GPIO_ON_KEY,
		.desc	= "On Off",
		.wakeup	= 1,
	},
	/* Two buttons detecting the lid state */
	{
		.type	= EV_SW,
		.code	= 0,
		.gpio	= SPITZ_GPIO_SWA,
		.desc	= "Display Down",
	},
	{
		.type	= EV_SW,
		.code	= 1,
		.gpio	= SPITZ_GPIO_SWB,
		.desc	= "Lid Closed",
	},
};

static struct gpio_keys_platform_data spitz_gpio_keys_platform_data = {
	.buttons	= spitz_gpio_keys,
	.nbuttons	= ARRAY_SIZE(spitz_gpio_keys),
};

static struct platform_device spitz_gpio_keys_device = {
	.name	= "gpio-keys",
	.id	= -1,
	.dev	= {
		.platform_data	= &spitz_gpio_keys_platform_data,
	},
};

static void __init spitz_keys_init(void)
{
	platform_device_register(&spitz_gpio_keys_device);
}
#else
static inline void spitz_keys_init(void) {}
#endif

/******************************************************************************
 * LEDs
 ******************************************************************************/
#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
static struct gpio_led spitz_gpio_leds[] = {
	{
		.name			= "spitz:amber:charge",
		.default_trigger	= "sharpsl-charge",
		.gpio			= SPITZ_GPIO_LED_ORANGE,
	},
	{
		.name			= "spitz:green:hddactivity",
		.default_trigger	= "ide-disk",
		.gpio			= SPITZ_GPIO_LED_GREEN,
	},
};

static struct gpio_led_platform_data spitz_gpio_leds_info = {
	.leds		= spitz_gpio_leds,
	.num_leds	= ARRAY_SIZE(spitz_gpio_leds),
};

static struct platform_device spitz_led_device = {
	.name		= "leds-gpio",
	.id		= -1,
	.dev		= {
		.platform_data	= &spitz_gpio_leds_info,
	},
};

static void __init spitz_leds_init(void)
{
	platform_device_register(&spitz_led_device);
}
#else
static inline void spitz_leds_init(void) {}
#endif

/******************************************************************************
 * SSP Devices
 ******************************************************************************/
#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
static void spitz_ads7846_wait_for_hsync(void)
{
	while (gpio_get_value(SPITZ_GPIO_HSYNC))
		cpu_relax();

	while (!gpio_get_value(SPITZ_GPIO_HSYNC))
		cpu_relax();
}

static struct ads7846_platform_data spitz_ads7846_info = {
	.model			= 7846,
	.vref_delay_usecs	= 100,
	.x_plate_ohms		= 419,
	.y_plate_ohms		= 486,
	.pressure_max		= 1024,
	.gpio_pendown		= SPITZ_GPIO_TP_INT,
	.wait_for_sync		= spitz_ads7846_wait_for_hsync,
};

static struct pxa2xx_spi_chip spitz_ads7846_chip = {
	.gpio_cs		= SPITZ_GPIO_ADS7846_CS,
};

static void spitz_bl_kick_battery(void)
{
	void (*kick_batt)(void);

	kick_batt = symbol_get(sharpsl_battery_kick);
	if (kick_batt) {
		kick_batt();
		symbol_put(sharpsl_battery_kick);
	}
}

static struct corgi_lcd_platform_data spitz_lcdcon_info = {
	.init_mode		= CORGI_LCD_MODE_VGA,
	.max_intensity		= 0x2f,
	.default_intensity	= 0x1f,
	.limit_mask		= 0x0b,
	.gpio_backlight_cont	= SPITZ_GPIO_BACKLIGHT_CONT,
	.gpio_backlight_on	= SPITZ_GPIO_BACKLIGHT_ON,
	.kick_battery		= spitz_bl_kick_battery,
};

static struct pxa2xx_spi_chip spitz_lcdcon_chip = {
	.gpio_cs	= SPITZ_GPIO_LCDCON_CS,
};

static struct pxa2xx_spi_chip spitz_max1111_chip = {
	.gpio_cs	= SPITZ_GPIO_MAX1111_CS,
};

static struct spi_board_info spitz_spi_devices[] = {
	{
		.modalias		= "ads7846",
		.max_speed_hz		= 1200000,
		.bus_num		= 2,
		.chip_select		= 0,
		.platform_data		= &spitz_ads7846_info,
		.controller_data	= &spitz_ads7846_chip,
		.irq			= PXA_GPIO_TO_IRQ(SPITZ_GPIO_TP_INT),
	}, {
		.modalias		= "corgi-lcd",
		.max_speed_hz		= 50000,
		.bus_num		= 2,
		.chip_select		= 1,
		.platform_data		= &spitz_lcdcon_info,
		.controller_data	= &spitz_lcdcon_chip,
	}, {
		.modalias		= "max1111",
		.max_speed_hz		= 450000,
		.bus_num		= 2,
		.chip_select		= 2,
		.controller_data	= &spitz_max1111_chip,
	},
};

static struct pxa2xx_spi_master spitz_spi_info = {
	.num_chipselect	= 3,
};

static void __init spitz_spi_init(void)
{
	struct corgi_lcd_platform_data *lcd_data = &spitz_lcdcon_info;

	if (machine_is_akita()) {
		lcd_data->gpio_backlight_cont = AKITA_GPIO_BACKLIGHT_CONT;
		lcd_data->gpio_backlight_on = AKITA_GPIO_BACKLIGHT_ON;
	}

	pxa2xx_set_spi_info(2, &spitz_spi_info);
	spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices));
}
#else
static inline void spitz_spi_init(void) {}
#endif

/******************************************************************************
 * SD/MMC card controller
 ******************************************************************************/
#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
/*
 * NOTE: The card detect interrupt isn't debounced so we delay it by 250ms to
 * give the card a chance to fully insert/eject.
 */
static void spitz_mci_setpower(struct device *dev, unsigned int vdd)
{
	struct pxamci_platform_data* p_d = dev->platform_data;

	if ((1 << vdd) & p_d->ocr_mask)
		spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, SCOOP_CPR_SD_3V);
	else
		spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, 0x0);
}

static struct pxamci_platform_data spitz_mci_platform_data = {
	.detect_delay_ms	= 250,
	.ocr_mask		= MMC_VDD_32_33|MMC_VDD_33_34,
	.setpower		= spitz_mci_setpower,
	.gpio_card_detect	= SPITZ_GPIO_nSD_DETECT,
	.gpio_card_ro		= SPITZ_GPIO_nSD_WP,
	.gpio_power		= -1,
};

static void __init spitz_mmc_init(void)
{
	pxa_set_mci_info(&spitz_mci_platform_data);
}
#else
static inline void spitz_mmc_init(void) {}
#endif

/******************************************************************************
 * USB Host
 ******************************************************************************/
#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
static int spitz_ohci_init(struct device *dev)
{
	int err;

	err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST");
	if (err)
		return err;

	/* Only Port 2 is connected, setup USB Port 2 Output Control Register */
	UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;

	return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1);
}

static void spitz_ohci_exit(struct device *dev)
{
	gpio_free(SPITZ_GPIO_USB_HOST);
}

static struct pxaohci_platform_data spitz_ohci_platform_data = {
	.port_mode	= PMM_NPS_MODE,
	.init		= spitz_ohci_init,
	.exit		= spitz_ohci_exit,
	.flags		= ENABLE_PORT_ALL | NO_OC_PROTECTION,
	.power_budget	= 150,
};

static void __init spitz_uhc_init(void)
{
	pxa_set_ohci_info(&spitz_ohci_platform_data);
}
#else
static inline void spitz_uhc_init(void) {}
#endif

/******************************************************************************
 * IrDA
 ******************************************************************************/
#if defined(CONFIG_PXA_FICP) || defined(CONFIG_PXA_FICP_MODULE)
static struct pxaficp_platform_data spitz_ficp_platform_data = {
	.transceiver_cap	= IR_SIRMODE | IR_OFF,
};

static void __init spitz_irda_init(void)
{
	if (machine_is_akita())
		spitz_ficp_platform_data.gpio_pwdown = AKITA_GPIO_IR_ON;
	else
		spitz_ficp_platform_data.gpio_pwdown = SPITZ_GPIO_IR_ON;

	pxa_set_ficp_info(&spitz_ficp_platform_data);
}
#else
static inline void spitz_irda_init(void) {}
#endif

/******************************************************************************
 * Framebuffer
 ******************************************************************************/
#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
static struct pxafb_mode_info spitz_pxafb_modes[] = {
	{
		.pixclock       = 19231,
		.xres           = 480,
		.yres           = 640,
		.bpp            = 16,
		.hsync_len      = 40,
		.left_margin    = 46,
		.right_margin   = 125,
		.vsync_len      = 3,
		.upper_margin   = 1,
		.lower_margin   = 0,
		.sync           = 0,
	}, {
		.pixclock       = 134617,
		.xres           = 240,
		.yres           = 320,
		.bpp            = 16,
		.hsync_len      = 20,
		.left_margin    = 20,
		.right_margin   = 46,
		.vsync_len      = 2,
		.upper_margin   = 1,
		.lower_margin   = 0,
		.sync           = 0,
	},
};

static struct pxafb_mach_info spitz_pxafb_info = {
	.modes          = spitz_pxafb_modes,
	.num_modes      = ARRAY_SIZE(spitz_pxafb_modes),
	.fixed_modes    = 1,
	.lcd_conn	= LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING,
};

static void __init spitz_lcd_init(void)
{
	pxa_set_fb_info(NULL, &spitz_pxafb_info);
}
#else
static inline void spitz_lcd_init(void) {}
#endif

/******************************************************************************
 * Framebuffer
 ******************************************************************************/
#if defined(CONFIG_MTD_NAND_SHARPSL) || defined(CONFIG_MTD_NAND_SHARPSL_MODULE)
static struct mtd_partition spitz_nand_partitions[] = {
	{
		.name = "System Area",
		.offset = 0,
		.size = 7 * 1024 * 1024,
	}, {
		.name = "Root Filesystem",
		.offset = 7 * 1024 * 1024,
	}, {
		.name = "Home Filesystem",
		.offset = MTDPART_OFS_APPEND,
		.size = MTDPART_SIZ_FULL,
	},
};

static uint8_t scan_ff_pattern[] = { 0xff, 0xff };

static struct nand_bbt_descr spitz_nand_bbt = {
	.options	= 0,
	.offs		= 4,
	.len		= 2,
	.pattern	= scan_ff_pattern
};

static struct nand_ecclayout akita_oobinfo = {
	.oobfree	= { {0x08, 0x09} },
	.eccbytes	= 24,
	.eccpos		= {
			0x05, 0x01, 0x02, 0x03, 0x06, 0x07, 0x15, 0x11,
			0x12, 0x13, 0x16, 0x17, 0x25, 0x21, 0x22, 0x23,
			0x26, 0x27, 0x35, 0x31, 0x32, 0x33, 0x36, 0x37,
	},
};

static struct sharpsl_nand_platform_data spitz_nand_pdata = {
	.badblock_pattern	= &spitz_nand_bbt,
	.partitions		= spitz_nand_partitions,
	.nr_partitions		= ARRAY_SIZE(spitz_nand_partitions),
};

static struct resource spitz_nand_resources[] = {
	{
		.start	= PXA_CS3_PHYS,
		.end	= PXA_CS3_PHYS + SZ_4K - 1,
		.flags	= IORESOURCE_MEM,
	},
};

static struct platform_device spitz_nand_device = {
	.name		= "sharpsl-nand",
	.id		= -1,
	.resource	= spitz_nand_resources,
	.num_resources	= ARRAY_SIZE(spitz_nand_resources),
	.dev		= {
		.platform_data	= &spitz_nand_pdata,
	}
};

static void __init spitz_nand_init(void)
{
	if (machine_is_spitz()) {
		spitz_nand_partitions[1].size = 5 * 1024 * 1024;
	} else if (machine_is_akita()) {
		spitz_nand_partitions[1].size = 58 * 1024 * 1024;
		spitz_nand_bbt.len = 1;
		spitz_nand_pdata.ecc_layout = &akita_oobinfo;
	} else if (machine_is_borzoi()) {
		spitz_nand_partitions[1].size = 32 * 1024 * 1024;
		spitz_nand_bbt.len = 1;
		spitz_nand_pdata.ecc_layout = &akita_oobinfo;
	}

	platform_device_register(&spitz_nand_device);
}
#else
static inline void spitz_nand_init(void) {}
#endif

/******************************************************************************
 * NOR Flash
 ******************************************************************************/
#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
static struct mtd_partition spitz_rom_parts[] = {
	{
		.name	="Boot PROM Filesystem",
		.offset	= 0x00140000,
		.size	= MTDPART_SIZ_FULL,
	},
};

static struct physmap_flash_data spitz_rom_data = {
	.width		= 2,
	.nr_parts	= ARRAY_SIZE(spitz_rom_parts),
	.parts		= spitz_rom_parts,
};

static struct resource spitz_rom_resources[] = {
	{
		.start	= PXA_CS0_PHYS,
		.end	= PXA_CS0_PHYS + SZ_8M - 1,
		.flags	= IORESOURCE_MEM,
	},
};

static struct platform_device spitz_rom_device = {
	.name		= "physmap-flash",
	.id		= -1,
	.resource	= spitz_rom_resources,
	.num_resources	= ARRAY_SIZE(spitz_rom_resources),
	.dev		= {
		.platform_data	= &spitz_rom_data,
	},
};

static void __init spitz_nor_init(void)
{
	platform_device_register(&spitz_rom_device);
}
#else
static inline void spitz_nor_init(void) {}
#endif

/******************************************************************************
 * GPIO expander
 ******************************************************************************/
#if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
static struct pca953x_platform_data akita_pca953x_pdata = {
	.gpio_base		= AKITA_IOEXP_GPIO_BASE,
};

static struct i2c_board_info spitz_i2c_devs[] = {
	{
		.type		= "wm8750",
		.addr		= 0x1b,
	}, {
		.type		= "max7310",
		.addr		= 0x18,
		.platform_data	= &akita_pca953x_pdata,
	},
};

static struct regulator_consumer_supply isl6271a_consumers[] = {
	{
		.supply	= "vcc_core",
	}
};

static struct regulator_init_data isl6271a_info[] = {
	{
		.constraints = {
			.name		= "vcc_core range",
			.min_uV		= 850000,
			.max_uV		= 1600000,
			.always_on	= 1,
			.valid_ops_mask	= REGULATOR_CHANGE_VOLTAGE,
		},
	.consumer_supplies	= isl6271a_consumers,
	.num_consumer_supplies	= ARRAY_SIZE(isl6271a_consumers),
	}
};

static struct i2c_board_info spitz_pi2c_devs[] = {
	{
		.type		= "isl6271a",
		.addr		= 0x0c,
		.platform_data	= &isl6271a_info,
	},
};

static void __init spitz_i2c_init(void)
{
	int size = ARRAY_SIZE(spitz_i2c_devs);

	/* Only Akita has the max7310 chip */
	if (!machine_is_akita())
		size--;

	pxa_set_i2c_info(NULL);
	pxa27x_set_i2c_power_info(NULL);
	i2c_register_board_info(0, spitz_i2c_devs, size);
	i2c_register_board_info(1, ARRAY_AND_SIZE(spitz_pi2c_devs));
}
#else
static inline void spitz_i2c_init(void) {}
#endif

/******************************************************************************
 * Machine init
 ******************************************************************************/
static void spitz_poweroff(void)
{
	pxa_restart('g', NULL);
}

static void spitz_restart(char mode, const char *cmd)
{
	uint32_t msc0 = __raw_readl(MSC0);
	/* Bootloader magic for a reboot */
	if ((msc0 & 0xffff0000) == 0x7ff00000)
		__raw_writel((msc0 & 0xffff) | 0x7ee00000, MSC0);

	spitz_poweroff();
}

static void __init spitz_init(void)
{
	init_gpio_reset(SPITZ_GPIO_ON_RESET, 1, 0);
	pm_power_off = spitz_poweroff;

	PMCR = 0x00;

	/* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
	PCFR |= PCFR_OPDE;

	pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config));

	pxa_set_ffuart_info(NULL);
	pxa_set_btuart_info(NULL);
	pxa_set_stuart_info(NULL);

	spitz_spi_init();
	spitz_scoop_init();
	spitz_mkp_init();
	spitz_keys_init();
	spitz_leds_init();
	spitz_mmc_init();
	spitz_pcmcia_init();
	spitz_irda_init();
	spitz_uhc_init();
	spitz_lcd_init();
	spitz_nor_init();
	spitz_nand_init();
	spitz_i2c_init();
}

static void __init spitz_fixup(struct tag *tags, char **cmdline,
			       struct meminfo *mi)
{
	sharpsl_save_param();
	mi->nr_banks = 1;
	mi->bank[0].start = 0xa0000000;
	mi->bank[0].size = (64*1024*1024);
}

#ifdef CONFIG_MACH_SPITZ
MACHINE_START(SPITZ, "SHARP Spitz")
	.restart_mode	= 'g',
	.fixup		= spitz_fixup,
	.map_io		= pxa27x_map_io,
	.init_irq	= pxa27x_init_irq,
	.handle_irq	= pxa27x_handle_irq,
	.init_machine	= spitz_init,
	.timer		= &pxa_timer,
	.restart	= spitz_restart,
MACHINE_END
#endif

#ifdef CONFIG_MACH_BORZOI
MACHINE_START(BORZOI, "SHARP Borzoi")
	.restart_mode	= 'g',
	.fixup		= spitz_fixup,
	.map_io		= pxa27x_map_io,
	.init_irq	= pxa27x_init_irq,
	.handle_irq	= pxa27x_handle_irq,
	.init_machine	= spitz_init,
	.timer		= &pxa_timer,
	.restart	= spitz_restart,
MACHINE_END
#endif

#ifdef CONFIG_MACH_AKITA
MACHINE_START(AKITA, "SHARP Akita")
	.restart_mode	= 'g',
	.fixup		= spitz_fixup,
	.map_io		= pxa27x_map_io,
	.init_irq	= pxa27x_init_irq,
	.handle_irq	= pxa27x_handle_irq,
	.init_machine	= spitz_init,
	.timer		= &pxa_timer,
	.restart	= spitz_restart,
MACHINE_END
#endif