arch/arm/mach-pxa/corgi.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Support for Sharp SL-C7xx PDAs
   4  * Models: SL-C700 (Corgi), SL-C750 (Shepherd), SL-C760 (Husky)
   5  *
   6  * Copyright (c) 2004-2005 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/init.h>
  14 #include <linux/platform_device.h>
  15 #include <linux/major.h>
  16 #include <linux/fs.h>
  17 #include <linux/interrupt.h>
  18 #include <linux/leds.h>
  19 #include <linux/mmc/host.h>
  20 #include <linux/mtd/physmap.h>
  21 #include <linux/pm.h>
  22 #include <linux/gpio.h>
  23 #include <linux/gpio/machine.h>
  24 #include <linux/backlight.h>
  25 #include <linux/i2c.h>
  26 #include <linux/platform_data/i2c-pxa.h>
  27 #include <linux/io.h>
  28 #include <linux/regulator/machine.h>
  29 #include <linux/spi/spi.h>
  30 #include <linux/spi/ads7846.h>
  31 #include <linux/spi/corgi_lcd.h>
  32 #include <linux/spi/pxa2xx_spi.h>
  33 #include <linux/mtd/sharpsl.h>
  34 #include <linux/input/matrix_keypad.h>
  35 #include <linux/gpio_keys.h>
  36 #include <linux/memblock.h>
  37 #include <video/w100fb.h>
  38
  39 #include <asm/setup.h>
  40 #include <asm/memory.h>
  41 #include <asm/mach-types.h>
  42 #include <asm/irq.h>
  43
  44 #include <asm/mach/arch.h>
  45 #include <asm/mach/map.h>
  46 #include <asm/mach/irq.h>
  47
  48 #include "pxa25x.h"
  49 #include <linux/platform_data/irda-pxaficp.h>
  50 #include <linux/platform_data/mmc-pxamci.h>
  51 #include "udc.h"
  52 #include "corgi.h"
  53 #include "sharpsl_pm.h"
  54
  55 #include <asm/mach/sharpsl_param.h>
  56 #include <asm/hardware/scoop.h>
  57
  58 #include "generic.h"
  59 #include "devices.h"
  60
  61 static unsigned long corgi_pin_config[] __initdata = {
  62         /* Static Memory I/O */
  63         GPIO78_nCS_2,   /* w100fb */
  64         GPIO80_nCS_4,   /* scoop */
  65
  66         /* SSP1 */
  67         GPIO23_SSP1_SCLK,
  68         GPIO25_SSP1_TXD,
  69         GPIO26_SSP1_RXD,
  70         GPIO24_GPIO,    /* CORGI_GPIO_ADS7846_CS - SFRM as chip select */
  71
  72         /* I2S */
  73         GPIO28_I2S_BITCLK_OUT,
  74         GPIO29_I2S_SDATA_IN,
  75         GPIO30_I2S_SDATA_OUT,
  76         GPIO31_I2S_SYNC,
  77         GPIO32_I2S_SYSCLK,
  78
  79         /* Infra-Red */
  80         GPIO47_FICP_TXD,
  81         GPIO46_FICP_RXD,
  82
  83         /* FFUART */
  84         GPIO40_FFUART_DTR,
  85         GPIO41_FFUART_RTS,
  86         GPIO39_FFUART_TXD,
  87         GPIO37_FFUART_DSR,
  88         GPIO34_FFUART_RXD,
  89         GPIO35_FFUART_CTS,
  90
  91         /* PC Card */
  92         GPIO48_nPOE,
  93         GPIO49_nPWE,
  94         GPIO50_nPIOR,
  95         GPIO51_nPIOW,
  96         GPIO52_nPCE_1,
  97         GPIO53_nPCE_2,
  98         GPIO54_nPSKTSEL,
  99         GPIO55_nPREG,
 100         GPIO56_nPWAIT,
 101         GPIO57_nIOIS16,
 102
 103         /* MMC */
 104         GPIO6_MMC_CLK,
 105         GPIO8_MMC_CS0,
 106
 107         /* GPIO Matrix Keypad */
 108         GPIO66_GPIO | MFP_LPM_DRIVE_HIGH,       /* column 0 */
 109         GPIO67_GPIO | MFP_LPM_DRIVE_HIGH,       /* column 1 */
 110         GPIO68_GPIO | MFP_LPM_DRIVE_HIGH,       /* column 2 */
 111         GPIO69_GPIO | MFP_LPM_DRIVE_HIGH,       /* column 3 */
 112         GPIO70_GPIO | MFP_LPM_DRIVE_HIGH,       /* column 4 */
 113         GPIO71_GPIO | MFP_LPM_DRIVE_HIGH,       /* column 5 */
 114         GPIO72_GPIO | MFP_LPM_DRIVE_HIGH,       /* column 6 */
 115         GPIO73_GPIO | MFP_LPM_DRIVE_HIGH,       /* column 7 */
 116         GPIO74_GPIO | MFP_LPM_DRIVE_HIGH,       /* column 8 */
 117         GPIO75_GPIO | MFP_LPM_DRIVE_HIGH,       /* column 9 */
 118         GPIO76_GPIO | MFP_LPM_DRIVE_HIGH,       /* column 10 */
 119         GPIO77_GPIO | MFP_LPM_DRIVE_HIGH,       /* column 11 */
 120         GPIO58_GPIO,    /* row 0 */
 121         GPIO59_GPIO,    /* row 1 */
 122         GPIO60_GPIO,    /* row 2 */
 123         GPIO61_GPIO,    /* row 3 */
 124         GPIO62_GPIO,    /* row 4 */
 125         GPIO63_GPIO,    /* row 5 */
 126         GPIO64_GPIO,    /* row 6 */
 127         GPIO65_GPIO,    /* row 7 */
 128
 129         /* GPIO */
 130         GPIO9_GPIO,                             /* CORGI_GPIO_nSD_DETECT */
 131         GPIO7_GPIO,                             /* CORGI_GPIO_nSD_WP */
 132         GPIO11_GPIO | WAKEUP_ON_EDGE_BOTH,      /* CORGI_GPIO_MAIN_BAT_{LOW,COVER} */
 133         GPIO13_GPIO | MFP_LPM_KEEP_OUTPUT,      /* CORGI_GPIO_LED_ORANGE */
 134         GPIO21_GPIO,                            /* CORGI_GPIO_ADC_TEMP */
 135         GPIO22_GPIO,                            /* CORGI_GPIO_IR_ON */
 136         GPIO33_GPIO,                            /* CORGI_GPIO_SD_PWR */
 137         GPIO38_GPIO | MFP_LPM_KEEP_OUTPUT,      /* CORGI_GPIO_CHRG_ON */
 138         GPIO43_GPIO | MFP_LPM_KEEP_OUTPUT,      /* CORGI_GPIO_CHRG_UKN */
 139         GPIO44_GPIO,                            /* CORGI_GPIO_HSYNC */
 140
 141         GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH,       /* CORGI_GPIO_KEY_INT */
 142         GPIO1_GPIO | WAKEUP_ON_EDGE_RISE,       /* CORGI_GPIO_AC_IN */
 143         GPIO3_GPIO | WAKEUP_ON_EDGE_BOTH,       /* CORGI_GPIO_WAKEUP */
 144 };
 145
 146 /*
 147  * Corgi SCOOP Device
 148  */
 149 static struct resource corgi_scoop_resources[] = {
 150         [0] = {
 151                 .start          = 0x10800000,
 152                 .end            = 0x10800fff,
 153                 .flags          = IORESOURCE_MEM,
 154         },
 155 };
 156
 157 static struct scoop_config corgi_scoop_setup = {
 158         .io_dir         = CORGI_SCOOP_IO_DIR,
 159         .io_out         = CORGI_SCOOP_IO_OUT,
 160         .gpio_base      = CORGI_SCOOP_GPIO_BASE,
 161 };
 162
 163 struct platform_device corgiscoop_device = {
 164         .name           = "sharp-scoop",
 165         .id             = -1,
 166         .dev            = {
 167                 .platform_data  = &corgi_scoop_setup,
 168         },
 169         .num_resources  = ARRAY_SIZE(corgi_scoop_resources),
 170         .resource       = corgi_scoop_resources,
 171 };
 172
 173 static struct scoop_pcmcia_dev corgi_pcmcia_scoop[] = {
 174 {
 175         .dev        = &corgiscoop_device.dev,
 176         .irq        = CORGI_IRQ_GPIO_CF_IRQ,
 177         .cd_irq     = CORGI_IRQ_GPIO_CF_CD,
 178         .cd_irq_str = "PCMCIA0 CD",
 179 },
 180 };
 181
 182 static struct scoop_pcmcia_config corgi_pcmcia_config = {
 183         .devs         = &corgi_pcmcia_scoop[0],
 184         .num_devs     = 1,
 185 };
 186
 187 static struct w100_mem_info corgi_fb_mem = {
 188         .ext_cntl          = 0x00040003,
 189         .sdram_mode_reg    = 0x00650021,
 190         .ext_timing_cntl   = 0x10002a4a,
 191         .io_cntl           = 0x7ff87012,
 192         .size              = 0x1fffff,
 193 };
 194
 195 static struct w100_gen_regs corgi_fb_regs = {
 196         .lcd_format    = 0x00000003,
 197         .lcdd_cntl1    = 0x01CC0000,
 198         .lcdd_cntl2    = 0x0003FFFF,
 199         .genlcd_cntl1  = 0x00FFFF0D,
 200         .genlcd_cntl2  = 0x003F3003,
 201         .genlcd_cntl3  = 0x000102aa,
 202 };
 203
 204 static struct w100_gpio_regs corgi_fb_gpio = {
 205         .init_data1   = 0x000000bf,
 206         .init_data2   = 0x00000000,
 207         .gpio_dir1    = 0x00000000,
 208         .gpio_oe1     = 0x03c0feff,
 209         .gpio_dir2    = 0x00000000,
 210         .gpio_oe2     = 0x00000000,
 211 };
 212
 213 static struct w100_mode corgi_fb_modes[] = {
 214 {
 215         .xres            = 480,
 216         .yres            = 640,
 217         .left_margin     = 0x56,
 218         .right_margin    = 0x55,
 219         .upper_margin    = 0x03,
 220         .lower_margin    = 0x00,
 221         .crtc_ss         = 0x82360056,
 222         .crtc_ls         = 0xA0280000,
 223         .crtc_gs         = 0x80280028,
 224         .crtc_vpos_gs    = 0x02830002,
 225         .crtc_rev        = 0x00400008,
 226         .crtc_dclk       = 0xA0000000,
 227         .crtc_gclk       = 0x8015010F,
 228         .crtc_goe        = 0x80100110,
 229         .crtc_ps1_active = 0x41060010,
 230         .pll_freq        = 75,
 231         .fast_pll_freq   = 100,
 232         .sysclk_src      = CLK_SRC_PLL,
 233         .sysclk_divider  = 0,
 234         .pixclk_src      = CLK_SRC_PLL,
 235         .pixclk_divider  = 2,
 236         .pixclk_divider_rotated = 6,
 237 },{
 238         .xres            = 240,
 239         .yres            = 320,
 240         .left_margin     = 0x27,
 241         .right_margin    = 0x2e,
 242         .upper_margin    = 0x01,
 243         .lower_margin    = 0x00,
 244         .crtc_ss         = 0x81170027,
 245         .crtc_ls         = 0xA0140000,
 246         .crtc_gs         = 0xC0140014,
 247         .crtc_vpos_gs    = 0x00010141,
 248         .crtc_rev        = 0x00400008,
 249         .crtc_dclk       = 0xA0000000,
 250         .crtc_gclk       = 0x8015010F,
 251         .crtc_goe        = 0x80100110,
 252         .crtc_ps1_active = 0x41060010,
 253         .pll_freq        = 0,
 254         .fast_pll_freq   = 0,
 255         .sysclk_src      = CLK_SRC_XTAL,
 256         .sysclk_divider  = 0,
 257         .pixclk_src      = CLK_SRC_XTAL,
 258         .pixclk_divider  = 1,
 259         .pixclk_divider_rotated = 1,
 260 },
 261
 262 };
 263
 264 static struct w100fb_mach_info corgi_fb_info = {
 265         .init_mode  = INIT_MODE_ROTATED,
 266         .mem        = &corgi_fb_mem,
 267         .regs       = &corgi_fb_regs,
 268         .modelist   = &corgi_fb_modes[0],
 269         .num_modes  = 2,
 270         .gpio       = &corgi_fb_gpio,
 271         .xtal_freq  = 12500000,
 272         .xtal_dbl   = 0,
 273 };
 274
 275 static struct resource corgi_fb_resources[] = {
 276         [0] = {
 277                 .start   = 0x08000000,
 278                 .end     = 0x08ffffff,
 279                 .flags   = IORESOURCE_MEM,
 280         },
 281 };
 282
 283 static struct platform_device corgifb_device = {
 284         .name           = "w100fb",
 285         .id             = -1,
 286         .num_resources  = ARRAY_SIZE(corgi_fb_resources),
 287         .resource       = corgi_fb_resources,
 288         .dev            = {
 289                 .platform_data = &corgi_fb_info,
 290         },
 291
 292 };
 293
 294 /*
 295  * Corgi Keyboard Device
 296  */
 297 #define CORGI_KEY_CALENDER      KEY_F1
 298 #define CORGI_KEY_ADDRESS       KEY_F2
 299 #define CORGI_KEY_FN            KEY_F3
 300 #define CORGI_KEY_CANCEL        KEY_F4
 301 #define CORGI_KEY_OFF           KEY_SUSPEND
 302 #define CORGI_KEY_EXOK          KEY_F5
 303 #define CORGI_KEY_EXCANCEL      KEY_F6
 304 #define CORGI_KEY_EXJOGDOWN     KEY_F7
 305 #define CORGI_KEY_EXJOGUP       KEY_F8
 306 #define CORGI_KEY_JAP1          KEY_LEFTCTRL
 307 #define CORGI_KEY_JAP2          KEY_LEFTALT
 308 #define CORGI_KEY_MAIL          KEY_F10
 309 #define CORGI_KEY_OK            KEY_F11
 310 #define CORGI_KEY_MENU          KEY_F12
 311
 312 static const uint32_t corgikbd_keymap[] = {
 313         KEY(0, 1, KEY_1),
 314         KEY(0, 2, KEY_3),
 315         KEY(0, 3, KEY_5),
 316         KEY(0, 4, KEY_6),
 317         KEY(0, 5, KEY_7),
 318         KEY(0, 6, KEY_9),
 319         KEY(0, 7, KEY_0),
 320         KEY(0, 8, KEY_BACKSPACE),
 321         KEY(1, 1, KEY_2),
 322         KEY(1, 2, KEY_4),
 323         KEY(1, 3, KEY_R),
 324         KEY(1, 4, KEY_Y),
 325         KEY(1, 5, KEY_8),
 326         KEY(1, 6, KEY_I),
 327         KEY(1, 7, KEY_O),
 328         KEY(1, 8, KEY_P),
 329         KEY(2, 0, KEY_TAB),
 330         KEY(2, 1, KEY_Q),
 331         KEY(2, 2, KEY_E),
 332         KEY(2, 3, KEY_T),
 333         KEY(2, 4, KEY_G),
 334         KEY(2, 5, KEY_U),
 335         KEY(2, 6, KEY_J),
 336         KEY(2, 7, KEY_K),
 337         KEY(3, 0, CORGI_KEY_CALENDER),
 338         KEY(3, 1, KEY_W),
 339         KEY(3, 2, KEY_S),
 340         KEY(3, 3, KEY_F),
 341         KEY(3, 4, KEY_V),
 342         KEY(3, 5, KEY_H),
 343         KEY(3, 6, KEY_M),
 344         KEY(3, 7, KEY_L),
 345         KEY(3, 9, KEY_RIGHTSHIFT),
 346         KEY(4, 0, CORGI_KEY_ADDRESS),
 347         KEY(4, 1, KEY_A),
 348         KEY(4, 2, KEY_D),
 349         KEY(4, 3, KEY_C),
 350         KEY(4, 4, KEY_B),
 351         KEY(4, 5, KEY_N),
 352         KEY(4, 6, KEY_DOT),
 353         KEY(4, 8, KEY_ENTER),
 354         KEY(4, 10, KEY_LEFTSHIFT),
 355         KEY(5, 0, CORGI_KEY_MAIL),
 356         KEY(5, 1, KEY_Z),
 357         KEY(5, 2, KEY_X),
 358         KEY(5, 3, KEY_MINUS),
 359         KEY(5, 4, KEY_SPACE),
 360         KEY(5, 5, KEY_COMMA),
 361         KEY(5, 7, KEY_UP),
 362         KEY(5, 11, CORGI_KEY_FN),
 363         KEY(6, 0, KEY_SYSRQ),
 364         KEY(6, 1, CORGI_KEY_JAP1),
 365         KEY(6, 2, CORGI_KEY_JAP2),
 366         KEY(6, 3, CORGI_KEY_CANCEL),
 367         KEY(6, 4, CORGI_KEY_OK),
 368         KEY(6, 5, CORGI_KEY_MENU),
 369         KEY(6, 6, KEY_LEFT),
 370         KEY(6, 7, KEY_DOWN),
 371         KEY(6, 8, KEY_RIGHT),
 372         KEY(7, 0, CORGI_KEY_OFF),
 373         KEY(7, 1, CORGI_KEY_EXOK),
 374         KEY(7, 2, CORGI_KEY_EXCANCEL),
 375         KEY(7, 3, CORGI_KEY_EXJOGDOWN),
 376         KEY(7, 4, CORGI_KEY_EXJOGUP),
 377 };
 378
 379 static struct matrix_keymap_data corgikbd_keymap_data = {
 380         .keymap         = corgikbd_keymap,
 381         .keymap_size    = ARRAY_SIZE(corgikbd_keymap),
 382 };
 383
 384 static const int corgikbd_row_gpios[] =
 385                 { 58, 59, 60, 61, 62, 63, 64, 65 };
 386 static const int corgikbd_col_gpios[] =
 387                 { 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77 };
 388
 389 static struct matrix_keypad_platform_data corgikbd_pdata = {
 390         .keymap_data            = &corgikbd_keymap_data,
 391         .row_gpios              = corgikbd_row_gpios,
 392         .col_gpios              = corgikbd_col_gpios,
 393         .num_row_gpios          = ARRAY_SIZE(corgikbd_row_gpios),
 394         .num_col_gpios          = ARRAY_SIZE(corgikbd_col_gpios),
 395         .col_scan_delay_us      = 10,
 396         .debounce_ms            = 10,
 397         .wakeup                 = 1,
 398 };
 399
 400 static struct platform_device corgikbd_device = {
 401         .name           = "matrix-keypad",
 402         .id             = -1,
 403         .dev            = {
 404                 .platform_data = &corgikbd_pdata,
 405         },
 406 };
 407
 408 static struct gpio_keys_button corgi_gpio_keys[] = {
 409         {
 410                 .type   = EV_SW,
 411                 .code   = SW_LID,
 412                 .gpio   = CORGI_GPIO_SWA,
 413                 .desc   = "Lid close switch",
 414                 .debounce_interval = 500,
 415         },
 416         {
 417                 .type   = EV_SW,
 418                 .code   = SW_TABLET_MODE,
 419                 .gpio   = CORGI_GPIO_SWB,
 420                 .desc   = "Tablet mode switch",
 421                 .debounce_interval = 500,
 422         },
 423         {
 424                 .type   = EV_SW,
 425                 .code   = SW_HEADPHONE_INSERT,
 426                 .gpio   = CORGI_GPIO_AK_INT,
 427                 .desc   = "HeadPhone insert",
 428                 .debounce_interval = 500,
 429         },
 430 };
 431
 432 static struct gpio_keys_platform_data corgi_gpio_keys_platform_data = {
 433         .buttons        = corgi_gpio_keys,
 434         .nbuttons       = ARRAY_SIZE(corgi_gpio_keys),
 435         .poll_interval  = 250,
 436 };
 437
 438 static struct platform_device corgi_gpio_keys_device = {
 439         .name   = "gpio-keys-polled",
 440         .id     = -1,
 441         .dev    = {
 442                 .platform_data  = &corgi_gpio_keys_platform_data,
 443         },
 444 };
 445
 446 /*
 447  * Corgi LEDs
 448  */
 449 static struct gpio_led corgi_gpio_leds[] = {
 450         {
 451                 .name                   = "corgi:amber:charge",
 452                 .default_trigger        = "sharpsl-charge",
 453                 .gpio                   = CORGI_GPIO_LED_ORANGE,
 454         },
 455         {
 456                 .name                   = "corgi:green:mail",
 457                 .default_trigger        = "nand-disk",
 458                 .gpio                   = CORGI_GPIO_LED_GREEN,
 459         },
 460 };
 461
 462 static struct gpio_led_platform_data corgi_gpio_leds_info = {
 463         .leds           = corgi_gpio_leds,
 464         .num_leds       = ARRAY_SIZE(corgi_gpio_leds),
 465 };
 466
 467 static struct platform_device corgiled_device = {
 468         .name           = "leds-gpio",
 469         .id             = -1,
 470         .dev            = {
 471                 .platform_data = &corgi_gpio_leds_info,
 472         },
 473 };
 474
 475 static struct gpiod_lookup_table corgi_audio_gpio_table = {
 476         .dev_id = "corgi-audio",
 477         .table = {
 478                 GPIO_LOOKUP("sharp-scoop",
 479                             CORGI_GPIO_MUTE_L - CORGI_SCOOP_GPIO_BASE,
 480                             "mute-l", GPIO_ACTIVE_HIGH),
 481                 GPIO_LOOKUP("sharp-scoop",
 482                             CORGI_GPIO_MUTE_R - CORGI_SCOOP_GPIO_BASE,
 483                             "mute-r", GPIO_ACTIVE_HIGH),
 484                 GPIO_LOOKUP("sharp-scoop",
 485                             CORGI_GPIO_APM_ON - CORGI_SCOOP_GPIO_BASE,
 486                             "apm-on", GPIO_ACTIVE_HIGH),
 487                 GPIO_LOOKUP("sharp-scoop",
 488                             CORGI_GPIO_MIC_BIAS - CORGI_SCOOP_GPIO_BASE,
 489                             "mic-bias", GPIO_ACTIVE_HIGH),
 490                 { },
 491         },
 492 };
 493
 494 /*
 495  * Corgi Audio
 496  */
 497 static struct platform_device corgi_audio_device = {
 498         .name   = "corgi-audio",
 499         .id     = -1,
 500 };
 501
 502 /*
 503  * MMC/SD Device
 504  *
 505  * The card detect interrupt isn't debounced so we delay it by 250ms
 506  * to give the card a chance to fully insert/eject.
 507  */
 508 static struct pxamci_platform_data corgi_mci_platform_data = {
 509         .detect_delay_ms        = 250,
 510         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 511 };
 512
 513 static struct gpiod_lookup_table corgi_mci_gpio_table = {
 514         .dev_id = "pxa2xx-mci.0",
 515         .table = {
 516                 /* Card detect on GPIO 9 */
 517                 GPIO_LOOKUP("gpio-pxa", CORGI_GPIO_nSD_DETECT,
 518                             "cd", GPIO_ACTIVE_LOW),
 519                 /* Write protect on GPIO 7 */
 520                 GPIO_LOOKUP("gpio-pxa", CORGI_GPIO_nSD_WP,
 521                             "wp", GPIO_ACTIVE_LOW),
 522                 /* Power on GPIO 33 */
 523                 GPIO_LOOKUP("gpio-pxa", CORGI_GPIO_SD_PWR,
 524                             "power", GPIO_ACTIVE_HIGH),
 525                 { },
 526         },
 527 };
 528
 529 /*
 530  * Irda
 531  */
 532 static struct pxaficp_platform_data corgi_ficp_platform_data = {
 533         .gpio_pwdown            = CORGI_GPIO_IR_ON,
 534         .transceiver_cap        = IR_SIRMODE | IR_OFF,
 535 };
 536
 537
 538 /*
 539  * USB Device Controller
 540  */
 541 static struct pxa2xx_udc_mach_info udc_info __initdata = {
 542         /* no connect GPIO; corgi can't tell connection status */
 543         .gpio_pullup            = CORGI_GPIO_USB_PULLUP,
 544 };
 545
 546 #if IS_ENABLED(CONFIG_SPI_PXA2XX)
 547 static struct pxa2xx_spi_controller corgi_spi_info = {
 548         .num_chipselect = 3,
 549 };
 550
 551 static struct gpiod_lookup_table corgi_spi_gpio_table = {
 552         .dev_id = "spi1",
 553         .table = {
 554                 GPIO_LOOKUP_IDX("gpio-pxa", CORGI_GPIO_ADS7846_CS, "cs", 0, GPIO_ACTIVE_LOW),
 555                 GPIO_LOOKUP_IDX("gpio-pxa", CORGI_GPIO_LCDCON_CS, "cs", 1, GPIO_ACTIVE_LOW),
 556                 GPIO_LOOKUP_IDX("gpio-pxa", CORGI_GPIO_MAX1111_CS, "cs", 2, GPIO_ACTIVE_LOW),
 557                 { },
 558         },
 559 };
 560
 561 static void corgi_wait_for_hsync(void)
 562 {
 563         while (gpio_get_value(CORGI_GPIO_HSYNC))
 564                 cpu_relax();
 565
 566         while (!gpio_get_value(CORGI_GPIO_HSYNC))
 567                 cpu_relax();
 568 }
 569
 570 static struct ads7846_platform_data corgi_ads7846_info = {
 571         .model                  = 7846,
 572         .vref_delay_usecs       = 100,
 573         .x_plate_ohms           = 419,
 574         .y_plate_ohms           = 486,
 575         .gpio_pendown           = CORGI_GPIO_TP_INT,
 576         .wait_for_sync          = corgi_wait_for_hsync,
 577 };
 578
 579 static void corgi_bl_kick_battery(void)
 580 {
 581         void (*kick_batt)(void);
 582
 583         kick_batt = symbol_get(sharpsl_battery_kick);
 584         if (kick_batt) {
 585                 kick_batt();
 586                 symbol_put(sharpsl_battery_kick);
 587         }
 588 }
 589
 590 static struct gpiod_lookup_table corgi_lcdcon_gpio_table = {
 591         .dev_id = "spi1.1",
 592         .table = {
 593                 GPIO_LOOKUP("gpio-pxa", CORGI_GPIO_BACKLIGHT_CONT,
 594                             "BL_CONT", GPIO_ACTIVE_HIGH),
 595                 { },
 596         },
 597 };
 598
 599 static struct corgi_lcd_platform_data corgi_lcdcon_info = {
 600         .init_mode              = CORGI_LCD_MODE_VGA,
 601         .max_intensity          = 0x2f,
 602         .default_intensity      = 0x1f,
 603         .limit_mask             = 0x0b,
 604         .kick_battery           = corgi_bl_kick_battery,
 605 };
 606
 607 static struct spi_board_info corgi_spi_devices[] = {
 608         {
 609                 .modalias       = "ads7846",
 610                 .max_speed_hz   = 1200000,
 611                 .bus_num        = 1,
 612                 .chip_select    = 0,
 613                 .platform_data  = &corgi_ads7846_info,
 614                 .irq            = PXA_GPIO_TO_IRQ(CORGI_GPIO_TP_INT),
 615         }, {
 616                 .modalias       = "corgi-lcd",
 617                 .max_speed_hz   = 50000,
 618                 .bus_num        = 1,
 619                 .chip_select    = 1,
 620                 .platform_data  = &corgi_lcdcon_info,
 621         }, {
 622                 .modalias       = "max1111",
 623                 .max_speed_hz   = 450000,
 624                 .bus_num        = 1,
 625                 .chip_select    = 2,
 626         },
 627 };
 628
 629 static void __init corgi_init_spi(void)
 630 {
 631         gpiod_add_lookup_table(&corgi_spi_gpio_table);
 632         pxa2xx_set_spi_info(1, &corgi_spi_info);
 633         gpiod_add_lookup_table(&corgi_lcdcon_gpio_table);
 634         spi_register_board_info(ARRAY_AND_SIZE(corgi_spi_devices));
 635 }
 636 #else
 637 static inline void corgi_init_spi(void) {}
 638 #endif
 639
 640 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
 641
 642 static struct nand_bbt_descr sharpsl_bbt = {
 643         .options = 0,
 644         .offs = 4,
 645         .len = 2,
 646         .pattern = scan_ff_pattern
 647 };
 648
 649 static const char * const probes[] = {
 650         "cmdlinepart",
 651         "ofpart",
 652         "sharpslpart",
 653         NULL,
 654 };
 655
 656 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = {
 657         .badblock_pattern       = &sharpsl_bbt,
 658         .part_parsers           = probes,
 659 };
 660
 661 static struct resource sharpsl_nand_resources[] = {
 662         {
 663                 .start  = 0x0C000000,
 664                 .end    = 0x0C000FFF,
 665                 .flags  = IORESOURCE_MEM,
 666         },
 667 };
 668
 669 static struct platform_device sharpsl_nand_device = {
 670         .name           = "sharpsl-nand",
 671         .id             = -1,
 672         .resource       = sharpsl_nand_resources,
 673         .num_resources  = ARRAY_SIZE(sharpsl_nand_resources),
 674         .dev.platform_data      = &sharpsl_nand_platform_data,
 675 };
 676
 677 static struct mtd_partition sharpsl_rom_parts[] = {
 678         {
 679                 .name   ="Boot PROM Filesystem",
 680                 .offset = 0x00120000,
 681                 .size   = MTDPART_SIZ_FULL,
 682         },
 683 };
 684
 685 static struct physmap_flash_data sharpsl_rom_data = {
 686         .width          = 2,
 687         .nr_parts       = ARRAY_SIZE(sharpsl_rom_parts),
 688         .parts          = sharpsl_rom_parts,
 689 };
 690
 691 static struct resource sharpsl_rom_resources[] = {
 692         {
 693                 .start  = 0x00000000,
 694                 .end    = 0x007fffff,
 695                 .flags  = IORESOURCE_MEM,
 696         },
 697 };
 698
 699 static struct platform_device sharpsl_rom_device = {
 700         .name   = "physmap-flash",
 701         .id     = -1,
 702         .resource = sharpsl_rom_resources,
 703         .num_resources = ARRAY_SIZE(sharpsl_rom_resources),
 704         .dev.platform_data = &sharpsl_rom_data,
 705 };
 706
 707 static struct platform_device *devices[] __initdata = {
 708         &corgiscoop_device,
 709         &corgifb_device,
 710         &corgi_gpio_keys_device,
 711         &corgikbd_device,
 712         &corgiled_device,
 713         &corgi_audio_device,
 714         &sharpsl_nand_device,
 715         &sharpsl_rom_device,
 716 };
 717
 718 static struct i2c_board_info __initdata corgi_i2c_devices[] = {
 719         { I2C_BOARD_INFO("wm8731", 0x1b) },
 720 };
 721
 722 static void corgi_poweroff(void)
 723 {
 724         if (!machine_is_corgi())
 725                 /* Green LED off tells the bootloader to halt */
 726                 gpio_set_value(CORGI_GPIO_LED_GREEN, 0);
 727
 728         pxa_restart(REBOOT_HARD, NULL);
 729 }
 730
 731 static void corgi_restart(enum reboot_mode mode, const char *cmd)
 732 {
 733         if (!machine_is_corgi())
 734                 /* Green LED on tells the bootloader to reboot */
 735                 gpio_set_value(CORGI_GPIO_LED_GREEN, 1);
 736
 737         pxa_restart(REBOOT_HARD, cmd);
 738 }
 739
 740 static void __init corgi_init(void)
 741 {
 742         pm_power_off = corgi_poweroff;
 743
 744         /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
 745         PCFR |= PCFR_OPDE;
 746
 747         pxa2xx_mfp_config(ARRAY_AND_SIZE(corgi_pin_config));
 748
 749         /* allow wakeup from various GPIOs */
 750         gpio_set_wake(CORGI_GPIO_KEY_INT, 1);
 751         gpio_set_wake(CORGI_GPIO_WAKEUP, 1);
 752         gpio_set_wake(CORGI_GPIO_AC_IN, 1);
 753         gpio_set_wake(CORGI_GPIO_CHRG_FULL, 1);
 754
 755         if (!machine_is_corgi())
 756                 gpio_set_wake(CORGI_GPIO_MAIN_BAT_LOW, 1);
 757
 758         pxa_set_ffuart_info(NULL);
 759         pxa_set_btuart_info(NULL);
 760         pxa_set_stuart_info(NULL);
 761
 762         corgi_init_spi();
 763
 764         pxa_set_udc_info(&udc_info);
 765         gpiod_add_lookup_table(&corgi_mci_gpio_table);
 766         gpiod_add_lookup_table(&corgi_audio_gpio_table);
 767         pxa_set_mci_info(&corgi_mci_platform_data);
 768         pxa_set_ficp_info(&corgi_ficp_platform_data);
 769         pxa_set_i2c_info(NULL);
 770         i2c_register_board_info(0, ARRAY_AND_SIZE(corgi_i2c_devices));
 771
 772         platform_scoop_config = &corgi_pcmcia_config;
 773
 774         platform_add_devices(devices, ARRAY_SIZE(devices));
 775
 776         regulator_has_full_constraints();
 777 }
 778
 779 static void __init fixup_corgi(struct tag *tags, char **cmdline)
 780 {
 781         sharpsl_save_param();
 782         if (machine_is_corgi())
 783                 memblock_add(0xa0000000, SZ_32M);
 784         else
 785                 memblock_add(0xa0000000, SZ_64M);
 786 }
 787
 788 #ifdef CONFIG_MACH_CORGI
 789 MACHINE_START(CORGI, "SHARP Corgi")
 790         .fixup          = fixup_corgi,
 791         .map_io         = pxa25x_map_io,
 792         .nr_irqs        = PXA_NR_IRQS,
 793         .init_irq       = pxa25x_init_irq,
 794         .handle_irq     = pxa25x_handle_irq,
 795         .init_machine   = corgi_init,
 796         .init_time      = pxa_timer_init,
 797         .restart        = corgi_restart,
 798 MACHINE_END
 799 #endif
 800
 801 #ifdef CONFIG_MACH_SHEPHERD
 802 MACHINE_START(SHEPHERD, "SHARP Shepherd")
 803         .fixup          = fixup_corgi,
 804         .map_io         = pxa25x_map_io,
 805         .nr_irqs        = PXA_NR_IRQS,
 806         .init_irq       = pxa25x_init_irq,
 807         .handle_irq     = pxa25x_handle_irq,
 808         .init_machine   = corgi_init,
 809         .init_time      = pxa_timer_init,
 810         .restart        = corgi_restart,
 811 MACHINE_END
 812 #endif
 813
 814 #ifdef CONFIG_MACH_HUSKY
 815 MACHINE_START(HUSKY, "SHARP Husky")
 816         .fixup          = fixup_corgi,
 817         .map_io         = pxa25x_map_io,
 818         .nr_irqs        = PXA_NR_IRQS,
 819         .init_irq       = pxa25x_init_irq,
 820         .handle_irq     = pxa25x_handle_irq,
 821         .init_machine   = corgi_init,
 822         .init_time      = pxa_timer_init,
 823         .restart        = corgi_restart,
 824 MACHINE_END
 825 #endif
 826