arch/arm/mach-pxa/hx4700.c

   1 /*
   2  * Support for HP iPAQ hx4700 PDAs.
   3  *
   4  * Copyright (c) 2008-2009 Philipp Zabel
   5  *
   6  * Based on code:
   7  *    Copyright (c) 2004 Hewlett-Packard Company.
   8  *    Copyright (c) 2005 SDG Systems, LLC
   9  *    Copyright (c) 2006 Anton Vorontsov <cbou@mail.ru>
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License version 2 as
  13  * published by the Free Software Foundation.
  14  *
  15  */
  16
  17 #include <linux/kernel.h>
  18 #include <linux/init.h>
  19 #include <linux/platform_device.h>
  20 #include <linux/delay.h>
  21 #include <linux/fb.h>
  22 #include <linux/gpio.h>
  23 #include <linux/gpio_keys.h>
  24 #include <linux/input.h>
  25 #include <linux/lcd.h>
  26 #include <linux/mfd/htc-egpio.h>
  27 #include <linux/mfd/asic3.h>
  28 #include <linux/mtd/physmap.h>
  29 #include <linux/pda_power.h>
  30 #include <linux/pwm_backlight.h>
  31 #include <linux/regulator/bq24022.h>
  32 #include <linux/regulator/machine.h>
  33 #include <linux/regulator/max1586.h>
  34 #include <linux/spi/ads7846.h>
  35 #include <linux/spi/spi.h>
  36 #include <linux/spi/pxa2xx_spi.h>
  37 #include <linux/usb/gpio_vbus.h>
  38 #include <linux/i2c/pxa-i2c.h>
  39
  40 #include <mach/hardware.h>
  41 #include <asm/mach-types.h>
  42 #include <asm/mach/arch.h>
  43
  44 #include <mach/pxa27x.h>
  45 #include <mach/hx4700.h>
  46 #include <mach/irda.h>
  47
  48 #include <sound/ak4641.h>
  49 #include <video/platform_lcd.h>
  50 #include <video/w100fb.h>
  51
  52 #include "devices.h"
  53 #include "generic.h"
  54
  55 /* Physical address space information */
  56
  57 #define ATI_W3220_PHYS  PXA_CS2_PHYS /* ATI Imageon 3220 Graphics */
  58 #define ASIC3_PHYS      PXA_CS3_PHYS
  59 #define ASIC3_SD_PHYS   (PXA_CS3_PHYS + 0x02000000)
  60
  61 static unsigned long hx4700_pin_config[] __initdata = {
  62
  63         /* SDRAM and Static Memory I/O Signals */
  64         GPIO20_nSDCS_2,
  65         GPIO21_nSDCS_3,
  66         GPIO15_nCS_1,
  67         GPIO78_nCS_2,   /* W3220 */
  68         GPIO79_nCS_3,   /* ASIC3 */
  69         GPIO80_nCS_4,
  70         GPIO33_nCS_5,   /* EGPIO, WLAN */
  71
  72         /* PC CARD */
  73         GPIO48_nPOE,
  74         GPIO49_nPWE,
  75         GPIO50_nPIOR,
  76         GPIO51_nPIOW,
  77         GPIO54_nPCE_2,
  78         GPIO55_nPREG,
  79         GPIO56_nPWAIT,
  80         GPIO57_nIOIS16,
  81         GPIO85_nPCE_1,
  82         GPIO104_PSKTSEL,
  83
  84         /* I2C */
  85         GPIO117_I2C_SCL,
  86         GPIO118_I2C_SDA,
  87
  88         /* FFUART (RS-232) */
  89         GPIO34_FFUART_RXD,
  90         GPIO35_FFUART_CTS,
  91         GPIO36_FFUART_DCD,
  92         GPIO37_FFUART_DSR,
  93         GPIO38_FFUART_RI,
  94         GPIO39_FFUART_TXD,
  95         GPIO40_FFUART_DTR,
  96         GPIO41_FFUART_RTS,
  97
  98         /* BTUART */
  99         GPIO42_BTUART_RXD,
 100         GPIO43_BTUART_TXD_LPM_LOW,
 101         GPIO44_BTUART_CTS,
 102         GPIO45_BTUART_RTS_LPM_LOW,
 103
 104         /* PWM 1 (Backlight) */
 105         GPIO17_PWM1_OUT,
 106
 107         /* I2S */
 108         GPIO28_I2S_BITCLK_OUT,
 109         GPIO29_I2S_SDATA_IN,
 110         GPIO30_I2S_SDATA_OUT,
 111         GPIO31_I2S_SYNC,
 112         GPIO113_I2S_SYSCLK,
 113
 114         /* SSP 1 (NavPoint) */
 115         GPIO23_SSP1_SCLK,
 116         GPIO24_SSP1_SFRM,
 117         GPIO25_SSP1_TXD,
 118         GPIO26_SSP1_RXD,
 119
 120         /* SSP 2 (TSC2046) */
 121         GPIO19_SSP2_SCLK,
 122         GPIO86_SSP2_RXD,
 123         GPIO87_SSP2_TXD,
 124         GPIO88_GPIO,
 125
 126         /* HX4700 specific input GPIOs */
 127         GPIO12_GPIO,    /* ASIC3_IRQ */
 128         GPIO13_GPIO,    /* W3220_IRQ */
 129         GPIO14_GPIO,    /* nWLAN_IRQ */
 130
 131         GPIO10_GPIO,    /* GSM_IRQ */
 132         GPIO13_GPIO,    /* CPLD_IRQ */
 133         GPIO107_GPIO,   /* DS1WM_IRQ */
 134         GPIO108_GPIO,   /* GSM_READY */
 135         GPIO58_GPIO,    /* TSC2046_nPENIRQ */
 136         GPIO66_GPIO,    /* nSDIO_IRQ */
 137 };
 138
 139 /*
 140  * IRDA
 141  */
 142
 143 static struct pxaficp_platform_data ficp_info = {
 144         .gpio_pwdown            = GPIO105_HX4700_nIR_ON,
 145         .transceiver_cap        = IR_SIRMODE | IR_OFF,
 146 };
 147
 148 /*
 149  * GPIO Keys
 150  */
 151
 152 #define INIT_KEY(_code, _gpio, _active_low, _desc)      \
 153         {                                               \
 154                 .code       = KEY_##_code,              \
 155                 .gpio       = _gpio,                    \
 156                 .active_low = _active_low,              \
 157                 .desc       = _desc,                    \
 158                 .type       = EV_KEY,                   \
 159                 .wakeup     = 1,                        \
 160         }
 161
 162 static struct gpio_keys_button gpio_keys_buttons[] = {
 163         INIT_KEY(POWER,       GPIO0_HX4700_nKEY_POWER,   1, "Power button"),
 164         INIT_KEY(MAIL,        GPIO94_HX4700_KEY_MAIL,    0, "Mail button"),
 165         INIT_KEY(ADDRESSBOOK, GPIO99_HX4700_KEY_CONTACTS,0, "Contacts button"),
 166         INIT_KEY(RECORD,      GPIOD6_nKEY_RECORD,        1, "Record button"),
 167         INIT_KEY(CALENDAR,    GPIOD1_nKEY_CALENDAR,      1, "Calendar button"),
 168         INIT_KEY(HOMEPAGE,    GPIOD3_nKEY_HOME,          1, "Home button"),
 169 };
 170
 171 static struct gpio_keys_platform_data gpio_keys_data = {
 172         .buttons = gpio_keys_buttons,
 173         .nbuttons = ARRAY_SIZE(gpio_keys_buttons),
 174 };
 175
 176 static struct platform_device gpio_keys = {
 177         .name = "gpio-keys",
 178         .dev  = {
 179                 .platform_data = &gpio_keys_data,
 180         },
 181         .id   = -1,
 182 };
 183
 184 /*
 185  * ASIC3
 186  */
 187
 188 static u16 asic3_gpio_config[] = {
 189         /* ASIC3 GPIO banks A and B along with some of C and D
 190            implement the buffering for the CF slot. */
 191         ASIC3_CONFIG_GPIO(0, 1, 1, 0),
 192         ASIC3_CONFIG_GPIO(1, 1, 1, 0),
 193         ASIC3_CONFIG_GPIO(2, 1, 1, 0),
 194         ASIC3_CONFIG_GPIO(3, 1, 1, 0),
 195         ASIC3_CONFIG_GPIO(4, 1, 1, 0),
 196         ASIC3_CONFIG_GPIO(5, 1, 1, 0),
 197         ASIC3_CONFIG_GPIO(6, 1, 1, 0),
 198         ASIC3_CONFIG_GPIO(7, 1, 1, 0),
 199         ASIC3_CONFIG_GPIO(8, 1, 1, 0),
 200         ASIC3_CONFIG_GPIO(9, 1, 1, 0),
 201         ASIC3_CONFIG_GPIO(10, 1, 1, 0),
 202         ASIC3_CONFIG_GPIO(11, 1, 1, 0),
 203         ASIC3_CONFIG_GPIO(12, 1, 1, 0),
 204         ASIC3_CONFIG_GPIO(13, 1, 1, 0),
 205         ASIC3_CONFIG_GPIO(14, 1, 1, 0),
 206         ASIC3_CONFIG_GPIO(15, 1, 1, 0),
 207
 208         ASIC3_CONFIG_GPIO(16, 1, 1, 0),
 209         ASIC3_CONFIG_GPIO(17, 1, 1, 0),
 210         ASIC3_CONFIG_GPIO(18, 1, 1, 0),
 211         ASIC3_CONFIG_GPIO(19, 1, 1, 0),
 212         ASIC3_CONFIG_GPIO(20, 1, 1, 0),
 213         ASIC3_CONFIG_GPIO(21, 1, 1, 0),
 214         ASIC3_CONFIG_GPIO(22, 1, 1, 0),
 215         ASIC3_CONFIG_GPIO(23, 1, 1, 0),
 216         ASIC3_CONFIG_GPIO(24, 1, 1, 0),
 217         ASIC3_CONFIG_GPIO(25, 1, 1, 0),
 218         ASIC3_CONFIG_GPIO(26, 1, 1, 0),
 219         ASIC3_CONFIG_GPIO(27, 1, 1, 0),
 220         ASIC3_CONFIG_GPIO(28, 1, 1, 0),
 221         ASIC3_CONFIG_GPIO(29, 1, 1, 0),
 222         ASIC3_CONFIG_GPIO(30, 1, 1, 0),
 223         ASIC3_CONFIG_GPIO(31, 1, 1, 0),
 224
 225         /* GPIOC - CF, LEDs, SD */
 226         ASIC3_GPIOC0_LED0,              /* red */
 227         ASIC3_GPIOC1_LED1,              /* green */
 228         ASIC3_GPIOC2_LED2,              /* blue */
 229         ASIC3_GPIOC4_CF_nCD,
 230         ASIC3_GPIOC5_nCIOW,
 231         ASIC3_GPIOC6_nCIOR,
 232         ASIC3_GPIOC7_nPCE_1,
 233         ASIC3_GPIOC8_nPCE_2,
 234         ASIC3_GPIOC9_nPOE,
 235         ASIC3_GPIOC10_nPWE,
 236         ASIC3_GPIOC11_PSKTSEL,
 237         ASIC3_GPIOC12_nPREG,
 238         ASIC3_GPIOC13_nPWAIT,
 239         ASIC3_GPIOC14_nPIOIS16,
 240         ASIC3_GPIOC15_nPIOR,
 241
 242         /* GPIOD: input GPIOs, CF */
 243         ASIC3_GPIOD11_nCIOIS16,
 244         ASIC3_GPIOD12_nCWAIT,
 245         ASIC3_GPIOD15_nPIOW,
 246 };
 247
 248 static struct asic3_led asic3_leds[ASIC3_NUM_LEDS] = {
 249         [0] = {
 250                 .name = "hx4700:amber",
 251                 .default_trigger = "ds2760-battery.0-charging-blink-full-solid",
 252         },
 253         [1] = {
 254                 .name = "hx4700:green",
 255                 .default_trigger = "unused",
 256         },
 257         [2] = {
 258                 .name = "hx4700:blue",
 259                 .default_trigger = "hx4700-radio",
 260         },
 261 };
 262
 263 static struct resource asic3_resources[] = {
 264         /* GPIO part */
 265         [0] = {
 266                 .start  = ASIC3_PHYS,
 267                 .end    = ASIC3_PHYS + ASIC3_MAP_SIZE_16BIT - 1,
 268                 .flags  = IORESOURCE_MEM,
 269         },
 270         [1] = {
 271                 .start  = PXA_GPIO_TO_IRQ(GPIO12_HX4700_ASIC3_IRQ),
 272                 .end    = PXA_GPIO_TO_IRQ(GPIO12_HX4700_ASIC3_IRQ),
 273                 .flags  = IORESOURCE_IRQ,
 274         },
 275         /* SD part */
 276         [2] = {
 277                 .start  = ASIC3_SD_PHYS,
 278                 .end    = ASIC3_SD_PHYS + ASIC3_MAP_SIZE_16BIT - 1,
 279                 .flags  = IORESOURCE_MEM,
 280         },
 281         [3] = {
 282                 .start  = PXA_GPIO_TO_IRQ(GPIO66_HX4700_ASIC3_nSDIO_IRQ),
 283                 .end    = PXA_GPIO_TO_IRQ(GPIO66_HX4700_ASIC3_nSDIO_IRQ),
 284                 .flags  = IORESOURCE_IRQ,
 285         },
 286 };
 287
 288 static struct asic3_platform_data asic3_platform_data = {
 289         .gpio_config     = asic3_gpio_config,
 290         .gpio_config_num = ARRAY_SIZE(asic3_gpio_config),
 291         .irq_base        = IRQ_BOARD_START,
 292         .gpio_base       = HX4700_ASIC3_GPIO_BASE,
 293         .leds            = asic3_leds,
 294 };
 295
 296 static struct platform_device asic3 = {
 297         .name          = "asic3",
 298         .id            = -1,
 299         .resource      = asic3_resources,
 300         .num_resources = ARRAY_SIZE(asic3_resources),
 301         .dev = {
 302                 .platform_data = &asic3_platform_data,
 303         },
 304 };
 305
 306 /*
 307  * EGPIO
 308  */
 309
 310 static struct resource egpio_resources[] = {
 311         [0] = {
 312                 .start = PXA_CS5_PHYS,
 313                 .end   = PXA_CS5_PHYS + 0x4 - 1,
 314                 .flags = IORESOURCE_MEM,
 315         },
 316 };
 317
 318 static struct htc_egpio_chip egpio_chips[] = {
 319         [0] = {
 320                 .reg_start = 0,
 321                 .gpio_base = HX4700_EGPIO_BASE,
 322                 .num_gpios = 8,
 323                 .direction = HTC_EGPIO_OUTPUT,
 324         },
 325 };
 326
 327 static struct htc_egpio_platform_data egpio_info = {
 328         .reg_width = 16,
 329         .bus_width = 16,
 330         .chip      = egpio_chips,
 331         .num_chips = ARRAY_SIZE(egpio_chips),
 332 };
 333
 334 static struct platform_device egpio = {
 335         .name          = "htc-egpio",
 336         .id            = -1,
 337         .resource      = egpio_resources,
 338         .num_resources = ARRAY_SIZE(egpio_resources),
 339         .dev = {
 340                 .platform_data = &egpio_info,
 341         },
 342 };
 343
 344 /*
 345  * LCD - Sony display connected to ATI Imageon w3220
 346  */
 347
 348 static void sony_lcd_init(void)
 349 {
 350         gpio_set_value(GPIO84_HX4700_LCD_SQN, 1);
 351         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
 352         gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
 353         gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 0);
 354         gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
 355         mdelay(10);
 356         gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
 357         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
 358         mdelay(20);
 359
 360         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 1);
 361         mdelay(5);
 362         gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 1);
 363
 364         /* FIXME: init w3220 registers here */
 365
 366         mdelay(5);
 367         gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 1);
 368         mdelay(10);
 369         gpio_set_value(GPIO62_HX4700_LCD_nRESET, 1);
 370         mdelay(10);
 371         gpio_set_value(GPIO59_HX4700_LCD_PC1, 1);
 372         mdelay(10);
 373         gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 1);
 374 }
 375
 376 static void sony_lcd_off(void)
 377 {
 378         gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
 379         gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
 380         mdelay(10);
 381         gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 0);
 382         mdelay(10);
 383         gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
 384         mdelay(10);
 385         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
 386 }
 387
 388 #ifdef CONFIG_PM
 389 static void w3220_lcd_suspend(struct w100fb_par *wfb)
 390 {
 391         sony_lcd_off();
 392 }
 393
 394 static void w3220_lcd_resume(struct w100fb_par *wfb)
 395 {
 396         sony_lcd_init();
 397 }
 398 #else
 399 #define w3220_lcd_resume        NULL
 400 #define w3220_lcd_suspend       NULL
 401 #endif
 402
 403 static struct w100_tg_info w3220_tg_info = {
 404         .suspend        = w3220_lcd_suspend,
 405         .resume         = w3220_lcd_resume,
 406 };
 407
 408 /*                               W3220_VGA              QVGA */
 409 static struct w100_gen_regs w3220_regs = {
 410         .lcd_format =        0x00000003,
 411         .lcdd_cntl1 =        0x00000000,
 412         .lcdd_cntl2 =        0x0003ffff,
 413         .genlcd_cntl1 =      0x00abf003,        /* 0x00fff003 */
 414         .genlcd_cntl2 =      0x00000003,
 415         .genlcd_cntl3 =      0x000102aa,
 416 };
 417
 418 static struct w100_mode w3220_modes[] = {
 419 {
 420         .xres           = 480,
 421         .yres           = 640,
 422         .left_margin    = 15,
 423         .right_margin   = 16,
 424         .upper_margin   = 8,
 425         .lower_margin   = 7,
 426         .crtc_ss        = 0x00000000,
 427         .crtc_ls        = 0xa1ff01f9,   /* 0x21ff01f9 */
 428         .crtc_gs        = 0xc0000000,   /* 0x40000000 */
 429         .crtc_vpos_gs   = 0x0000028f,
 430         .crtc_ps1_active = 0x00000000,  /* 0x41060010 */
 431         .crtc_rev       = 0,
 432         .crtc_dclk      = 0x80000000,
 433         .crtc_gclk      = 0x040a0104,
 434         .crtc_goe       = 0,
 435         .pll_freq       = 95,
 436         .pixclk_divider = 4,
 437         .pixclk_divider_rotated = 4,
 438         .pixclk_src     = CLK_SRC_PLL,
 439         .sysclk_divider = 0,
 440         .sysclk_src     = CLK_SRC_PLL,
 441 },
 442 {
 443         .xres           = 240,
 444         .yres           = 320,
 445         .left_margin    = 9,
 446         .right_margin   = 8,
 447         .upper_margin   = 5,
 448         .lower_margin   = 4,
 449         .crtc_ss        = 0x80150014,
 450         .crtc_ls        = 0xa0fb00f7,
 451         .crtc_gs        = 0xc0080007,
 452         .crtc_vpos_gs   = 0x00080007,
 453         .crtc_rev       = 0x0000000a,
 454         .crtc_dclk      = 0x81700030,
 455         .crtc_gclk      = 0x8015010f,
 456         .crtc_goe       = 0x00000000,
 457         .pll_freq       = 95,
 458         .pixclk_divider = 4,
 459         .pixclk_divider_rotated = 4,
 460         .pixclk_src     = CLK_SRC_PLL,
 461         .sysclk_divider = 0,
 462         .sysclk_src     = CLK_SRC_PLL,
 463 },
 464 };
 465
 466 struct w100_mem_info w3220_mem_info = {
 467         .ext_cntl        = 0x09640011,
 468         .sdram_mode_reg  = 0x00600021,
 469         .ext_timing_cntl = 0x1a001545,  /* 0x15001545 */
 470         .io_cntl         = 0x7ddd7333,
 471         .size            = 0x1fffff,
 472 };
 473
 474 struct w100_bm_mem_info w3220_bm_mem_info = {
 475         .ext_mem_bw = 0x50413e01,
 476         .offset = 0,
 477         .ext_timing_ctl = 0x00043f7f,
 478         .ext_cntl = 0x00000010,
 479         .mode_reg = 0x00250000,
 480         .io_cntl = 0x0fff0000,
 481         .config = 0x08301480,
 482 };
 483
 484 static struct w100_gpio_regs w3220_gpio_info = {
 485         .init_data1 = 0xdfe00100,       /* GPIO_DATA */
 486         .gpio_dir1  = 0xffff0000,       /* GPIO_CNTL1 */
 487         .gpio_oe1   = 0x00000000,       /* GPIO_CNTL2 */
 488         .init_data2 = 0x00000000,       /* GPIO_DATA2 */
 489         .gpio_dir2  = 0x00000000,       /* GPIO_CNTL3 */
 490         .gpio_oe2   = 0x00000000,       /* GPIO_CNTL4 */
 491 };
 492
 493 static struct w100fb_mach_info w3220_info = {
 494         .tg        = &w3220_tg_info,
 495         .mem       = &w3220_mem_info,
 496         .bm_mem    = &w3220_bm_mem_info,
 497         .gpio      = &w3220_gpio_info,
 498         .regs      = &w3220_regs,
 499         .modelist  = w3220_modes,
 500         .num_modes = 2,
 501         .xtal_freq = 16000000,
 502 };
 503
 504 static struct resource w3220_resources[] = {
 505         [0] = {
 506                 .start  = ATI_W3220_PHYS,
 507                 .end    = ATI_W3220_PHYS + 0x00ffffff,
 508                 .flags  = IORESOURCE_MEM,
 509         },
 510 };
 511
 512 static struct platform_device w3220 = {
 513         .name   = "w100fb",
 514         .id     = -1,
 515         .dev    = {
 516                 .platform_data = &w3220_info,
 517         },
 518         .num_resources = ARRAY_SIZE(w3220_resources),
 519         .resource      = w3220_resources,
 520 };
 521
 522 static void hx4700_lcd_set_power(struct plat_lcd_data *pd, unsigned int power)
 523 {
 524         if (power)
 525                 sony_lcd_init();
 526         else
 527                 sony_lcd_off();
 528 }
 529
 530 static struct plat_lcd_data hx4700_lcd_data = {
 531         .set_power = hx4700_lcd_set_power,
 532 };
 533
 534 static struct platform_device hx4700_lcd = {
 535         .name = "platform-lcd",
 536         .id   = -1,
 537         .dev  = {
 538                 .platform_data = &hx4700_lcd_data,
 539                 .parent        = &w3220.dev,
 540         },
 541 };
 542
 543 /*
 544  * Backlight
 545  */
 546
 547 static struct platform_pwm_backlight_data backlight_data = {
 548         .pwm_id         = 1,
 549         .max_brightness = 200,
 550         .dft_brightness = 100,
 551         .pwm_period_ns  = 30923,
 552 };
 553
 554 static struct platform_device backlight = {
 555         .name = "pwm-backlight",
 556         .id   = -1,
 557         .dev  = {
 558                 .parent        = &pxa27x_device_pwm1.dev,
 559                 .platform_data = &backlight_data,
 560         },
 561 };
 562
 563 /*
 564  * USB "Transceiver"
 565  */
 566
 567 static struct gpio_vbus_mach_info gpio_vbus_info = {
 568         .gpio_pullup        = GPIO76_HX4700_USBC_PUEN,
 569         .gpio_vbus          = GPIOD14_nUSBC_DETECT,
 570         .gpio_vbus_inverted = 1,
 571 };
 572
 573 static struct platform_device gpio_vbus = {
 574         .name          = "gpio-vbus",
 575         .id            = -1,
 576         .dev = {
 577                 .platform_data = &gpio_vbus_info,
 578         },
 579 };
 580
 581 /*
 582  * Touchscreen - TSC2046 connected to SSP2
 583  */
 584
 585 static const struct ads7846_platform_data tsc2046_info = {
 586         .model            = 7846,
 587         .vref_delay_usecs = 100,
 588         .pressure_max     = 1024,
 589         .debounce_max     = 10,
 590         .debounce_tol     = 3,
 591         .debounce_rep     = 1,
 592         .gpio_pendown     = GPIO58_HX4700_TSC2046_nPENIRQ,
 593 };
 594
 595 static struct pxa2xx_spi_chip tsc2046_chip = {
 596         .tx_threshold = 1,
 597         .rx_threshold = 2,
 598         .timeout      = 64,
 599         .gpio_cs      = GPIO88_HX4700_TSC2046_CS,
 600 };
 601
 602 static struct spi_board_info tsc2046_board_info[] __initdata = {
 603         {
 604                 .modalias        = "ads7846",
 605                 .bus_num         = 2,
 606                 .max_speed_hz    = 2600000, /* 100 kHz sample rate */
 607                 .irq             = PXA_GPIO_TO_IRQ(GPIO58_HX4700_TSC2046_nPENIRQ),
 608                 .platform_data   = &tsc2046_info,
 609                 .controller_data = &tsc2046_chip,
 610         },
 611 };
 612
 613 static struct pxa2xx_spi_master pxa_ssp2_master_info = {
 614         .num_chipselect = 1,
 615         .clock_enable   = CKEN_SSP2,
 616         .enable_dma     = 1,
 617 };
 618
 619 /*
 620  * External power
 621  */
 622
 623 static int power_supply_init(struct device *dev)
 624 {
 625         return gpio_request(GPIOD9_nAC_IN, "AC charger detect");
 626 }
 627
 628 static int hx4700_is_ac_online(void)
 629 {
 630         return !gpio_get_value(GPIOD9_nAC_IN);
 631 }
 632
 633 static void power_supply_exit(struct device *dev)
 634 {
 635         gpio_free(GPIOD9_nAC_IN);
 636 }
 637
 638 static char *hx4700_supplicants[] = {
 639         "ds2760-battery.0", "backup-battery"
 640 };
 641
 642 static struct pda_power_pdata power_supply_info = {
 643         .init            = power_supply_init,
 644         .is_ac_online    = hx4700_is_ac_online,
 645         .exit            = power_supply_exit,
 646         .supplied_to     = hx4700_supplicants,
 647         .num_supplicants = ARRAY_SIZE(hx4700_supplicants),
 648 };
 649
 650 static struct resource power_supply_resources[] = {
 651         [0] = {
 652                 .name  = "ac",
 653                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
 654                          IORESOURCE_IRQ_LOWEDGE,
 655                 .start = PXA_GPIO_TO_IRQ(GPIOD9_nAC_IN),
 656                 .end   = PXA_GPIO_TO_IRQ(GPIOD9_nAC_IN),
 657         },
 658         [1] = {
 659                 .name  = "usb",
 660                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
 661                          IORESOURCE_IRQ_LOWEDGE,
 662                 .start = PXA_GPIO_TO_IRQ(GPIOD14_nUSBC_DETECT),
 663                 .end   = PXA_GPIO_TO_IRQ(GPIOD14_nUSBC_DETECT),
 664         },
 665 };
 666
 667 static struct platform_device power_supply = {
 668         .name = "pda-power",
 669         .id   = -1,
 670         .dev  = {
 671                 .platform_data = &power_supply_info,
 672         },
 673         .resource      = power_supply_resources,
 674         .num_resources = ARRAY_SIZE(power_supply_resources),
 675 };
 676
 677 /*
 678  * Battery charger
 679  */
 680
 681 static struct regulator_consumer_supply bq24022_consumers[] = {
 682         {
 683                 .dev = &gpio_vbus.dev,
 684                 .supply = "vbus_draw",
 685         },
 686         {
 687                 .dev = &power_supply.dev,
 688                 .supply = "ac_draw",
 689         },
 690 };
 691
 692 static struct regulator_init_data bq24022_init_data = {
 693         .constraints = {
 694                 .max_uA         = 500000,
 695                 .valid_ops_mask = REGULATOR_CHANGE_CURRENT|REGULATOR_CHANGE_STATUS,
 696         },
 697         .num_consumer_supplies  = ARRAY_SIZE(bq24022_consumers),
 698         .consumer_supplies      = bq24022_consumers,
 699 };
 700
 701 static struct bq24022_mach_info bq24022_info = {
 702         .gpio_nce   = GPIO72_HX4700_BQ24022_nCHARGE_EN,
 703         .gpio_iset2 = GPIO96_HX4700_BQ24022_ISET2,
 704         .init_data  = &bq24022_init_data,
 705 };
 706
 707 static struct platform_device bq24022 = {
 708         .name = "bq24022",
 709         .id   = -1,
 710         .dev  = {
 711                 .platform_data = &bq24022_info,
 712         },
 713 };
 714
 715 /*
 716  * StrataFlash
 717  */
 718
 719 static void hx4700_set_vpp(struct platform_device *pdev, int vpp)
 720 {
 721         gpio_set_value(GPIO91_HX4700_FLASH_VPEN, vpp);
 722 }
 723
 724 static struct resource strataflash_resource[] = {
 725         [0] = DEFINE_RES_MEM(PXA_CS0_PHYS, SZ_64M),
 726         [1] = DEFINE_RES_MEM(PXA_CS0_PHYS + SZ_64M, SZ_64M),
 727 };
 728
 729 static struct physmap_flash_data strataflash_data = {
 730         .width = 4,
 731         .set_vpp = hx4700_set_vpp,
 732 };
 733
 734 static struct platform_device strataflash = {
 735         .name          = "physmap-flash",
 736         .id            = -1,
 737         .resource      = strataflash_resource,
 738         .num_resources = ARRAY_SIZE(strataflash_resource),
 739         .dev = {
 740                 .platform_data = &strataflash_data,
 741         },
 742 };
 743
 744 /*
 745  * Maxim MAX1587A on PI2C
 746  */
 747
 748 static struct regulator_consumer_supply max1587a_consumer = {
 749         .supply = "vcc_core",
 750 };
 751
 752 static struct regulator_init_data max1587a_v3_info = {
 753         .constraints = {
 754                 .name = "vcc_core range",
 755                 .min_uV =  900000,
 756                 .max_uV = 1705000,
 757                 .always_on = 1,
 758                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 759         },
 760         .num_consumer_supplies = 1,
 761         .consumer_supplies     = &max1587a_consumer,
 762 };
 763
 764 static struct max1586_subdev_data max1587a_subdev = {
 765         .name = "vcc_core",
 766         .id   = MAX1586_V3,
 767         .platform_data = &max1587a_v3_info,
 768 };
 769
 770 static struct max1586_platform_data max1587a_info = {
 771         .num_subdevs = 1,
 772         .subdevs     = &max1587a_subdev,
 773         .v3_gain     = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
 774 };
 775
 776 static struct i2c_board_info __initdata pi2c_board_info[] = {
 777         {
 778                 I2C_BOARD_INFO("max1586", 0x14),
 779                 .platform_data = &max1587a_info,
 780         },
 781 };
 782
 783 /*
 784  * Asahi Kasei AK4641 on I2C
 785  */
 786
 787 static struct ak4641_platform_data ak4641_info = {
 788         .gpio_power = GPIO27_HX4700_CODEC_ON,
 789         .gpio_npdn  = GPIO109_HX4700_CODEC_nPDN,
 790 };
 791
 792 static struct i2c_board_info i2c_board_info[] __initdata = {
 793         {
 794                 I2C_BOARD_INFO("ak4641", 0x12),
 795                 .platform_data = &ak4641_info,
 796         },
 797 };
 798
 799 static struct platform_device audio = {
 800         .name   = "hx4700-audio",
 801         .id     = -1,
 802 };
 803
 804
 805 /*
 806  * Platform devices
 807  */
 808
 809 static struct platform_device *devices[] __initdata = {
 810         &asic3,
 811         &gpio_keys,
 812         &backlight,
 813         &w3220,
 814         &hx4700_lcd,
 815         &egpio,
 816         &bq24022,
 817         &gpio_vbus,
 818         &power_supply,
 819         &strataflash,
 820         &audio,
 821 };
 822
 823 static struct gpio global_gpios[] = {
 824         { GPIO12_HX4700_ASIC3_IRQ, GPIOF_IN, "ASIC3_IRQ" },
 825         { GPIO13_HX4700_W3220_IRQ, GPIOF_IN, "W3220_IRQ" },
 826         { GPIO14_HX4700_nWLAN_IRQ, GPIOF_IN, "WLAN_IRQ" },
 827         { GPIO59_HX4700_LCD_PC1,          GPIOF_OUT_INIT_HIGH, "LCD_PC1" },
 828         { GPIO62_HX4700_LCD_nRESET,       GPIOF_OUT_INIT_HIGH, "LCD_RESET" },
 829         { GPIO70_HX4700_LCD_SLIN1,        GPIOF_OUT_INIT_HIGH, "LCD_SLIN1" },
 830         { GPIO84_HX4700_LCD_SQN,          GPIOF_OUT_INIT_HIGH, "LCD_SQN" },
 831         { GPIO110_HX4700_LCD_LVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_LVDD" },
 832         { GPIO111_HX4700_LCD_AVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_AVDD" },
 833         { GPIO32_HX4700_RS232_ON,         GPIOF_OUT_INIT_HIGH, "RS232_ON" },
 834         { GPIO71_HX4700_ASIC3_nRESET,     GPIOF_OUT_INIT_HIGH, "ASIC3_nRESET" },
 835         { GPIO82_HX4700_EUART_RESET,      GPIOF_OUT_INIT_HIGH, "EUART_RESET" },
 836 };
 837
 838 static void __init hx4700_init(void)
 839 {
 840         int ret;
 841
 842         pxa2xx_mfp_config(ARRAY_AND_SIZE(hx4700_pin_config));
 843         ret = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
 844         if (ret)
 845                 pr_err ("hx4700: Failed to request GPIOs.\n");
 846
 847         pxa_set_ffuart_info(NULL);
 848         pxa_set_btuart_info(NULL);
 849         pxa_set_stuart_info(NULL);
 850
 851         platform_add_devices(devices, ARRAY_SIZE(devices));
 852
 853         pxa_set_ficp_info(&ficp_info);
 854         pxa27x_set_i2c_power_info(NULL);
 855         pxa_set_i2c_info(NULL);
 856         i2c_register_board_info(0, ARRAY_AND_SIZE(i2c_board_info));
 857         i2c_register_board_info(1, ARRAY_AND_SIZE(pi2c_board_info));
 858         pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
 859         spi_register_board_info(ARRAY_AND_SIZE(tsc2046_board_info));
 860
 861         gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 0);
 862         mdelay(10);
 863         gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 1);
 864         mdelay(10);
 865 }
 866
 867 MACHINE_START(H4700, "HP iPAQ HX4700")
 868         .atag_offset  = 0x100,
 869         .map_io       = pxa27x_map_io,
 870         .nr_irqs      = HX4700_NR_IRQS,
 871         .init_irq     = pxa27x_init_irq,
 872         .handle_irq     = pxa27x_handle_irq,
 873         .init_machine = hx4700_init,
 874         .timer        = &pxa_timer,
 875         .restart        = pxa_restart,
 876 MACHINE_END