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/usb/gpio_vbus.h>
  37
  38 #include <mach/hardware.h>
  39 #include <asm/mach-types.h>
  40 #include <asm/mach/arch.h>
  41
  42 #include <mach/pxa27x.h>
  43 #include <mach/hx4700.h>
  44 #include <plat/i2c.h>
  45 #include <mach/irda.h>
  46 #include <mach/pxa2xx_spi.h>
  47
  48 #include <video/platform_lcd.h>
  49 #include <video/w100fb.h>
  50
  51 #include "devices.h"
  52 #include "generic.h"
  53
  54 /* Physical address space information */
  55
  56 #define ATI_W3220_PHYS  PXA_CS2_PHYS /* ATI Imageon 3220 Graphics */
  57 #define ASIC3_PHYS      PXA_CS3_PHYS
  58 #define ASIC3_SD_PHYS   (PXA_CS3_PHYS + 0x02000000)
  59
  60 static unsigned long hx4700_pin_config[] __initdata = {
  61
  62         /* SDRAM and Static Memory I/O Signals */
  63         GPIO20_nSDCS_2,
  64         GPIO21_nSDCS_3,
  65         GPIO15_nCS_1,
  66         GPIO78_nCS_2,   /* W3220 */
  67         GPIO79_nCS_3,   /* ASIC3 */
  68         GPIO80_nCS_4,
  69         GPIO33_nCS_5,   /* EGPIO, WLAN */
  70
  71         /* PC CARD */
  72         GPIO48_nPOE,
  73         GPIO49_nPWE,
  74         GPIO50_nPIOR,
  75         GPIO51_nPIOW,
  76         GPIO54_nPCE_2,
  77         GPIO55_nPREG,
  78         GPIO56_nPWAIT,
  79         GPIO57_nIOIS16,
  80         GPIO85_nPCE_1,
  81         GPIO104_PSKTSEL,
  82
  83         /* I2C */
  84         GPIO117_I2C_SCL,
  85         GPIO118_I2C_SDA,
  86
  87         /* FFUART (RS-232) */
  88         GPIO34_FFUART_RXD,
  89         GPIO35_FFUART_CTS,
  90         GPIO36_FFUART_DCD,
  91         GPIO37_FFUART_DSR,
  92         GPIO38_FFUART_RI,
  93         GPIO39_FFUART_TXD,
  94         GPIO40_FFUART_DTR,
  95         GPIO41_FFUART_RTS,
  96
  97         /* BTUART */
  98         GPIO42_BTUART_RXD,
  99         GPIO43_BTUART_TXD,
 100         GPIO44_BTUART_CTS,
 101         GPIO45_BTUART_RTS,
 102
 103         /* PWM 1 (Backlight) */
 104         GPIO17_PWM1_OUT,
 105
 106         /* I2S */
 107         GPIO28_I2S_BITCLK_OUT,
 108         GPIO29_I2S_SDATA_IN,
 109         GPIO30_I2S_SDATA_OUT,
 110         GPIO31_I2S_SYNC,
 111         GPIO113_I2S_SYSCLK,
 112
 113         /* SSP 1 (NavPoint) */
 114         GPIO23_SSP1_SCLK,
 115         GPIO24_SSP1_SFRM,
 116         GPIO25_SSP1_TXD,
 117         GPIO26_SSP1_RXD,
 118
 119         /* SSP 2 (TSC2046) */
 120         GPIO19_SSP2_SCLK,
 121         GPIO86_SSP2_RXD,
 122         GPIO87_SSP2_TXD,
 123         GPIO88_GPIO,
 124
 125         /* HX4700 specific input GPIOs */
 126         GPIO12_GPIO,    /* ASIC3_IRQ */
 127         GPIO13_GPIO,    /* W3220_IRQ */
 128         GPIO14_GPIO,    /* nWLAN_IRQ */
 129
 130         GPIO10_GPIO,    /* GSM_IRQ */
 131         GPIO13_GPIO,    /* CPLD_IRQ */
 132         GPIO107_GPIO,   /* DS1WM_IRQ */
 133         GPIO108_GPIO,   /* GSM_READY */
 134         GPIO58_GPIO,    /* TSC2046_nPENIRQ */
 135         GPIO66_GPIO,    /* nSDIO_IRQ */
 136 };
 137
 138 #define HX4700_GPIO_IN(num, _desc) \
 139         { .gpio = (num), .dir = 0, .desc = (_desc) }
 140 #define HX4700_GPIO_OUT(num, _init, _desc) \
 141         { .gpio = (num), .dir = 1, .init = (_init), .desc = (_desc) }
 142 struct gpio_ress {
 143         unsigned gpio : 8;
 144         unsigned dir : 1;
 145         unsigned init : 1;
 146         char *desc;
 147 };
 148
 149 static int hx4700_gpio_request(struct gpio_ress *gpios, int size)
 150 {
 151         int i, rc = 0;
 152         int gpio;
 153         int dir;
 154
 155         for (i = 0; (!rc) && (i < size); i++) {
 156                 gpio = gpios[i].gpio;
 157                 dir = gpios[i].dir;
 158                 rc = gpio_request(gpio, gpios[i].desc);
 159                 if (rc) {
 160                         pr_err("Error requesting GPIO %d(%s) : %d\n",
 161                                gpio, gpios[i].desc, rc);
 162                         continue;
 163                 }
 164                 if (dir)
 165                         gpio_direction_output(gpio, gpios[i].init);
 166                 else
 167                         gpio_direction_input(gpio);
 168         }
 169         while ((rc) && (--i >= 0))
 170                 gpio_free(gpios[i].gpio);
 171         return rc;
 172 }
 173
 174 /*
 175  * IRDA
 176  */
 177
 178 static void irda_transceiver_mode(struct device *dev, int mode)
 179 {
 180         gpio_set_value(GPIO105_HX4700_nIR_ON, mode & IR_OFF);
 181 }
 182
 183 static struct pxaficp_platform_data ficp_info = {
 184         .transceiver_cap  = IR_SIRMODE | IR_OFF,
 185         .transceiver_mode = irda_transceiver_mode,
 186 };
 187
 188 /*
 189  * GPIO Keys
 190  */
 191
 192 #define INIT_KEY(_code, _gpio, _active_low, _desc)      \
 193         {                                               \
 194                 .code       = KEY_##_code,              \
 195                 .gpio       = _gpio,                    \
 196                 .active_low = _active_low,              \
 197                 .desc       = _desc,                    \
 198                 .type       = EV_KEY,                   \
 199                 .wakeup     = 1,                        \
 200         }
 201
 202 static struct gpio_keys_button gpio_keys_buttons[] = {
 203         INIT_KEY(POWER,       GPIO0_HX4700_nKEY_POWER,   1, "Power button"),
 204         INIT_KEY(MAIL,        GPIO94_HX4700_KEY_MAIL,    0, "Mail button"),
 205         INIT_KEY(ADDRESSBOOK, GPIO99_HX4700_KEY_CONTACTS,0, "Contacts button"),
 206         INIT_KEY(RECORD,      GPIOD6_nKEY_RECORD,        1, "Record button"),
 207         INIT_KEY(CALENDAR,    GPIOD1_nKEY_CALENDAR,      1, "Calendar button"),
 208         INIT_KEY(HOMEPAGE,    GPIOD3_nKEY_HOME,          1, "Home button"),
 209 };
 210
 211 static struct gpio_keys_platform_data gpio_keys_data = {
 212         .buttons = gpio_keys_buttons,
 213         .nbuttons = ARRAY_SIZE(gpio_keys_buttons),
 214 };
 215
 216 static struct platform_device gpio_keys = {
 217         .name = "gpio-keys",
 218         .dev  = {
 219                 .platform_data = &gpio_keys_data,
 220         },
 221         .id   = -1,
 222 };
 223
 224 /*
 225  * ASIC3
 226  */
 227
 228 static u16 asic3_gpio_config[] = {
 229         /* ASIC3 GPIO banks A and B along with some of C and D
 230            implement the buffering for the CF slot. */
 231         ASIC3_CONFIG_GPIO(0, 1, 1, 0),
 232         ASIC3_CONFIG_GPIO(1, 1, 1, 0),
 233         ASIC3_CONFIG_GPIO(2, 1, 1, 0),
 234         ASIC3_CONFIG_GPIO(3, 1, 1, 0),
 235         ASIC3_CONFIG_GPIO(4, 1, 1, 0),
 236         ASIC3_CONFIG_GPIO(5, 1, 1, 0),
 237         ASIC3_CONFIG_GPIO(6, 1, 1, 0),
 238         ASIC3_CONFIG_GPIO(7, 1, 1, 0),
 239         ASIC3_CONFIG_GPIO(8, 1, 1, 0),
 240         ASIC3_CONFIG_GPIO(9, 1, 1, 0),
 241         ASIC3_CONFIG_GPIO(10, 1, 1, 0),
 242         ASIC3_CONFIG_GPIO(11, 1, 1, 0),
 243         ASIC3_CONFIG_GPIO(12, 1, 1, 0),
 244         ASIC3_CONFIG_GPIO(13, 1, 1, 0),
 245         ASIC3_CONFIG_GPIO(14, 1, 1, 0),
 246         ASIC3_CONFIG_GPIO(15, 1, 1, 0),
 247
 248         ASIC3_CONFIG_GPIO(16, 1, 1, 0),
 249         ASIC3_CONFIG_GPIO(17, 1, 1, 0),
 250         ASIC3_CONFIG_GPIO(18, 1, 1, 0),
 251         ASIC3_CONFIG_GPIO(19, 1, 1, 0),
 252         ASIC3_CONFIG_GPIO(20, 1, 1, 0),
 253         ASIC3_CONFIG_GPIO(21, 1, 1, 0),
 254         ASIC3_CONFIG_GPIO(22, 1, 1, 0),
 255         ASIC3_CONFIG_GPIO(23, 1, 1, 0),
 256         ASIC3_CONFIG_GPIO(24, 1, 1, 0),
 257         ASIC3_CONFIG_GPIO(25, 1, 1, 0),
 258         ASIC3_CONFIG_GPIO(26, 1, 1, 0),
 259         ASIC3_CONFIG_GPIO(27, 1, 1, 0),
 260         ASIC3_CONFIG_GPIO(28, 1, 1, 0),
 261         ASIC3_CONFIG_GPIO(29, 1, 1, 0),
 262         ASIC3_CONFIG_GPIO(30, 1, 1, 0),
 263         ASIC3_CONFIG_GPIO(31, 1, 1, 0),
 264
 265         /* GPIOC - CF, LEDs, SD */
 266         ASIC3_GPIOC0_LED0,              /* red */
 267         ASIC3_GPIOC1_LED1,              /* green */
 268         ASIC3_GPIOC2_LED2,              /* blue */
 269         ASIC3_GPIOC4_CF_nCD,
 270         ASIC3_GPIOC5_nCIOW,
 271         ASIC3_GPIOC6_nCIOR,
 272         ASIC3_GPIOC7_nPCE_1,
 273         ASIC3_GPIOC8_nPCE_2,
 274         ASIC3_GPIOC9_nPOE,
 275         ASIC3_GPIOC10_nPWE,
 276         ASIC3_GPIOC11_PSKTSEL,
 277         ASIC3_GPIOC12_nPREG,
 278         ASIC3_GPIOC13_nPWAIT,
 279         ASIC3_GPIOC14_nPIOIS16,
 280         ASIC3_GPIOC15_nPIOR,
 281
 282         /* GPIOD: input GPIOs, CF */
 283         ASIC3_GPIOD11_nCIOIS16,
 284         ASIC3_GPIOD12_nCWAIT,
 285         ASIC3_GPIOD15_nPIOW,
 286 };
 287
 288 static struct resource asic3_resources[] = {
 289         /* GPIO part */
 290         [0] = {
 291                 .start  = ASIC3_PHYS,
 292                 .end    = ASIC3_PHYS + ASIC3_MAP_SIZE_16BIT - 1,
 293                 .flags  = IORESOURCE_MEM,
 294         },
 295         [1] = {
 296                 .start  = gpio_to_irq(GPIO12_HX4700_ASIC3_IRQ),
 297                 .end    = gpio_to_irq(GPIO12_HX4700_ASIC3_IRQ),
 298                 .flags  = IORESOURCE_IRQ,
 299         },
 300         /* SD part */
 301         [2] = {
 302                 .start  = ASIC3_SD_PHYS,
 303                 .end    = ASIC3_SD_PHYS + ASIC3_MAP_SIZE_16BIT - 1,
 304                 .flags  = IORESOURCE_MEM,
 305         },
 306         [3] = {
 307                 .start  = gpio_to_irq(GPIO66_HX4700_ASIC3_nSDIO_IRQ),
 308                 .end    = gpio_to_irq(GPIO66_HX4700_ASIC3_nSDIO_IRQ),
 309                 .flags  = IORESOURCE_IRQ,
 310         },
 311 };
 312
 313 static struct asic3_platform_data asic3_platform_data = {
 314         .gpio_config     = asic3_gpio_config,
 315         .gpio_config_num = ARRAY_SIZE(asic3_gpio_config),
 316         .irq_base        = IRQ_BOARD_START,
 317         .gpio_base       = HX4700_ASIC3_GPIO_BASE,
 318 };
 319
 320 static struct platform_device asic3 = {
 321         .name          = "asic3",
 322         .id            = -1,
 323         .resource      = asic3_resources,
 324         .num_resources = ARRAY_SIZE(asic3_resources),
 325         .dev = {
 326                 .platform_data = &asic3_platform_data,
 327         },
 328 };
 329
 330 /*
 331  * EGPIO
 332  */
 333
 334 static struct resource egpio_resources[] = {
 335         [0] = {
 336                 .start = PXA_CS5_PHYS,
 337                 .end   = PXA_CS5_PHYS + 0x4 - 1,
 338                 .flags = IORESOURCE_MEM,
 339         },
 340 };
 341
 342 static struct htc_egpio_chip egpio_chips[] = {
 343         [0] = {
 344                 .reg_start = 0,
 345                 .gpio_base = HX4700_EGPIO_BASE,
 346                 .num_gpios = 8,
 347                 .direction = HTC_EGPIO_OUTPUT,
 348         },
 349 };
 350
 351 static struct htc_egpio_platform_data egpio_info = {
 352         .reg_width = 16,
 353         .bus_width = 16,
 354         .chip      = egpio_chips,
 355         .num_chips = ARRAY_SIZE(egpio_chips),
 356 };
 357
 358 static struct platform_device egpio = {
 359         .name          = "htc-egpio",
 360         .id            = -1,
 361         .resource      = egpio_resources,
 362         .num_resources = ARRAY_SIZE(egpio_resources),
 363         .dev = {
 364                 .platform_data = &egpio_info,
 365         },
 366 };
 367
 368 /*
 369  * LCD - Sony display connected to ATI Imageon w3220
 370  */
 371
 372 static void sony_lcd_init(void)
 373 {
 374         gpio_set_value(GPIO84_HX4700_LCD_SQN, 1);
 375         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
 376         gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
 377         gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 0);
 378         gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
 379         mdelay(10);
 380         gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
 381         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
 382         mdelay(20);
 383
 384         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 1);
 385         mdelay(5);
 386         gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 1);
 387
 388         /* FIXME: init w3220 registers here */
 389
 390         mdelay(5);
 391         gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 1);
 392         mdelay(10);
 393         gpio_set_value(GPIO62_HX4700_LCD_nRESET, 1);
 394         mdelay(10);
 395         gpio_set_value(GPIO59_HX4700_LCD_PC1, 1);
 396         mdelay(10);
 397         gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 1);
 398 }
 399
 400 static void sony_lcd_off(void)
 401 {
 402         gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
 403         gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
 404         mdelay(10);
 405         gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 0);
 406         mdelay(10);
 407         gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
 408         mdelay(10);
 409         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
 410 }
 411
 412 #ifdef CONFIG_PM
 413 static void w3220_lcd_suspend(struct w100fb_par *wfb)
 414 {
 415         sony_lcd_off();
 416 }
 417
 418 static void w3220_lcd_resume(struct w100fb_par *wfb)
 419 {
 420         sony_lcd_init();
 421 }
 422 #else
 423 #define w3220_lcd_resume        NULL
 424 #define w3220_lcd_suspend       NULL
 425 #endif
 426
 427 static struct w100_tg_info w3220_tg_info = {
 428         .suspend        = w3220_lcd_suspend,
 429         .resume         = w3220_lcd_resume,
 430 };
 431
 432 /*                               W3220_VGA              QVGA */
 433 static struct w100_gen_regs w3220_regs = {
 434         .lcd_format =        0x00000003,
 435         .lcdd_cntl1 =        0x00000000,
 436         .lcdd_cntl2 =        0x0003ffff,
 437         .genlcd_cntl1 =      0x00abf003,        /* 0x00fff003 */
 438         .genlcd_cntl2 =      0x00000003,
 439         .genlcd_cntl3 =      0x000102aa,
 440 };
 441
 442 static struct w100_mode w3220_modes[] = {
 443 {
 444         .xres           = 480,
 445         .yres           = 640,
 446         .left_margin    = 15,
 447         .right_margin   = 16,
 448         .upper_margin   = 8,
 449         .lower_margin   = 7,
 450         .crtc_ss        = 0x00000000,
 451         .crtc_ls        = 0xa1ff01f9,   /* 0x21ff01f9 */
 452         .crtc_gs        = 0xc0000000,   /* 0x40000000 */
 453         .crtc_vpos_gs   = 0x0000028f,
 454         .crtc_ps1_active = 0x00000000,  /* 0x41060010 */
 455         .crtc_rev       = 0,
 456         .crtc_dclk      = 0x80000000,
 457         .crtc_gclk      = 0x040a0104,
 458         .crtc_goe       = 0,
 459         .pll_freq       = 95,
 460         .pixclk_divider = 4,
 461         .pixclk_divider_rotated = 4,
 462         .pixclk_src     = CLK_SRC_PLL,
 463         .sysclk_divider = 0,
 464         .sysclk_src     = CLK_SRC_PLL,
 465 },
 466 {
 467         .xres           = 240,
 468         .yres           = 320,
 469         .left_margin    = 9,
 470         .right_margin   = 8,
 471         .upper_margin   = 5,
 472         .lower_margin   = 4,
 473         .crtc_ss        = 0x80150014,
 474         .crtc_ls        = 0xa0fb00f7,
 475         .crtc_gs        = 0xc0080007,
 476         .crtc_vpos_gs   = 0x00080007,
 477         .crtc_rev       = 0x0000000a,
 478         .crtc_dclk      = 0x81700030,
 479         .crtc_gclk      = 0x8015010f,
 480         .crtc_goe       = 0x00000000,
 481         .pll_freq       = 95,
 482         .pixclk_divider = 4,
 483         .pixclk_divider_rotated = 4,
 484         .pixclk_src     = CLK_SRC_PLL,
 485         .sysclk_divider = 0,
 486         .sysclk_src     = CLK_SRC_PLL,
 487 },
 488 };
 489
 490 struct w100_mem_info w3220_mem_info = {
 491         .ext_cntl        = 0x09640011,
 492         .sdram_mode_reg  = 0x00600021,
 493         .ext_timing_cntl = 0x1a001545,  /* 0x15001545 */
 494         .io_cntl         = 0x7ddd7333,
 495         .size            = 0x1fffff,
 496 };
 497
 498 struct w100_bm_mem_info w3220_bm_mem_info = {
 499         .ext_mem_bw = 0x50413e01,
 500         .offset = 0,
 501         .ext_timing_ctl = 0x00043f7f,
 502         .ext_cntl = 0x00000010,
 503         .mode_reg = 0x00250000,
 504         .io_cntl = 0x0fff0000,
 505         .config = 0x08301480,
 506 };
 507
 508 static struct w100_gpio_regs w3220_gpio_info = {
 509         .init_data1 = 0xdfe00100,       /* GPIO_DATA */
 510         .gpio_dir1  = 0xffff0000,       /* GPIO_CNTL1 */
 511         .gpio_oe1   = 0x00000000,       /* GPIO_CNTL2 */
 512         .init_data2 = 0x00000000,       /* GPIO_DATA2 */
 513         .gpio_dir2  = 0x00000000,       /* GPIO_CNTL3 */
 514         .gpio_oe2   = 0x00000000,       /* GPIO_CNTL4 */
 515 };
 516
 517 static struct w100fb_mach_info w3220_info = {
 518         .tg        = &w3220_tg_info,
 519         .mem       = &w3220_mem_info,
 520         .bm_mem    = &w3220_bm_mem_info,
 521         .gpio      = &w3220_gpio_info,
 522         .regs      = &w3220_regs,
 523         .modelist  = w3220_modes,
 524         .num_modes = 2,
 525         .xtal_freq = 16000000,
 526 };
 527
 528 static struct resource w3220_resources[] = {
 529         [0] = {
 530                 .start  = ATI_W3220_PHYS,
 531                 .end    = ATI_W3220_PHYS + 0x00ffffff,
 532                 .flags  = IORESOURCE_MEM,
 533         },
 534 };
 535
 536 static struct platform_device w3220 = {
 537         .name   = "w100fb",
 538         .id     = -1,
 539         .dev    = {
 540                 .platform_data = &w3220_info,
 541         },
 542         .num_resources = ARRAY_SIZE(w3220_resources),
 543         .resource      = w3220_resources,
 544 };
 545
 546 static void hx4700_lcd_set_power(struct plat_lcd_data *pd, unsigned int power)
 547 {
 548         if (power)
 549                 sony_lcd_init();
 550         else
 551                 sony_lcd_off();
 552 }
 553
 554 static struct plat_lcd_data hx4700_lcd_data = {
 555         .set_power = hx4700_lcd_set_power,
 556 };
 557
 558 static struct platform_device hx4700_lcd = {
 559         .name = "platform-lcd",
 560         .id   = -1,
 561         .dev  = {
 562                 .platform_data = &hx4700_lcd_data,
 563                 .parent        = &w3220.dev,
 564         },
 565 };
 566
 567 /*
 568  * Backlight
 569  */
 570
 571 static struct platform_pwm_backlight_data backlight_data = {
 572         .pwm_id         = 1,
 573         .max_brightness = 200,
 574         .dft_brightness = 100,
 575         .pwm_period_ns  = 30923,
 576 };
 577
 578 static struct platform_device backlight = {
 579         .name = "pwm-backlight",
 580         .id   = -1,
 581         .dev  = {
 582                 .parent        = &pxa27x_device_pwm1.dev,
 583                 .platform_data = &backlight_data,
 584         },
 585 };
 586
 587 /*
 588  * USB "Transceiver"
 589  */
 590
 591 static struct gpio_vbus_mach_info gpio_vbus_info = {
 592         .gpio_pullup        = GPIO76_HX4700_USBC_PUEN,
 593         .gpio_vbus          = GPIOD14_nUSBC_DETECT,
 594         .gpio_vbus_inverted = 1,
 595 };
 596
 597 static struct platform_device gpio_vbus = {
 598         .name          = "gpio-vbus",
 599         .id            = -1,
 600         .dev = {
 601                 .platform_data = &gpio_vbus_info,
 602         },
 603 };
 604
 605 /*
 606  * Touchscreen - TSC2046 connected to SSP2
 607  */
 608
 609 static const struct ads7846_platform_data tsc2046_info = {
 610         .model            = 7846,
 611         .vref_delay_usecs = 100,
 612         .pressure_max     = 512,
 613         .debounce_max     = 10,
 614         .debounce_tol     = 3,
 615         .debounce_rep     = 1,
 616         .gpio_pendown     = GPIO58_HX4700_TSC2046_nPENIRQ,
 617 };
 618
 619 static struct pxa2xx_spi_chip tsc2046_chip = {
 620         .tx_threshold = 1,
 621         .rx_threshold = 2,
 622         .timeout      = 64,
 623         .gpio_cs      = GPIO88_HX4700_TSC2046_CS,
 624 };
 625
 626 static struct spi_board_info tsc2046_board_info[] __initdata = {
 627         {
 628                 .modalias        = "ads7846",
 629                 .bus_num         = 2,
 630                 .max_speed_hz    = 2600000, /* 100 kHz sample rate */
 631                 .irq             = gpio_to_irq(GPIO58_HX4700_TSC2046_nPENIRQ),
 632                 .platform_data   = &tsc2046_info,
 633                 .controller_data = &tsc2046_chip,
 634         },
 635 };
 636
 637 static struct pxa2xx_spi_master pxa_ssp2_master_info = {
 638         .num_chipselect = 1,
 639         .clock_enable   = CKEN_SSP2,
 640         .enable_dma     = 1,
 641 };
 642
 643 /*
 644  * External power
 645  */
 646
 647 static int power_supply_init(struct device *dev)
 648 {
 649         return gpio_request(GPIOD9_nAC_IN, "AC charger detect");
 650 }
 651
 652 static int hx4700_is_ac_online(void)
 653 {
 654         return !gpio_get_value(GPIOD9_nAC_IN);
 655 }
 656
 657 static void power_supply_exit(struct device *dev)
 658 {
 659         gpio_free(GPIOD9_nAC_IN);
 660 }
 661
 662 static char *hx4700_supplicants[] = {
 663         "ds2760-battery.0", "backup-battery"
 664 };
 665
 666 static struct pda_power_pdata power_supply_info = {
 667         .init            = power_supply_init,
 668         .is_ac_online    = hx4700_is_ac_online,
 669         .exit            = power_supply_exit,
 670         .supplied_to     = hx4700_supplicants,
 671         .num_supplicants = ARRAY_SIZE(hx4700_supplicants),
 672 };
 673
 674 static struct resource power_supply_resources[] = {
 675         [0] = {
 676                 .name  = "ac",
 677                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
 678                          IORESOURCE_IRQ_LOWEDGE,
 679                 .start = gpio_to_irq(GPIOD9_nAC_IN),
 680                 .end   = gpio_to_irq(GPIOD9_nAC_IN),
 681         },
 682         [1] = {
 683                 .name  = "usb",
 684                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
 685                          IORESOURCE_IRQ_LOWEDGE,
 686                 .start = gpio_to_irq(GPIOD14_nUSBC_DETECT),
 687                 .end   = gpio_to_irq(GPIOD14_nUSBC_DETECT),
 688         },
 689 };
 690
 691 static struct platform_device power_supply = {
 692         .name = "pda-power",
 693         .id   = -1,
 694         .dev  = {
 695                 .platform_data = &power_supply_info,
 696         },
 697         .resource      = power_supply_resources,
 698         .num_resources = ARRAY_SIZE(power_supply_resources),
 699 };
 700
 701 /*
 702  * Battery charger
 703  */
 704
 705 static struct regulator_consumer_supply bq24022_consumers[] = {
 706         {
 707                 .dev = &gpio_vbus.dev,
 708                 .supply = "vbus_draw",
 709         },
 710         {
 711                 .dev = &power_supply.dev,
 712                 .supply = "ac_draw",
 713         },
 714 };
 715
 716 static struct regulator_init_data bq24022_init_data = {
 717         .constraints = {
 718                 .max_uA         = 500000,
 719                 .valid_ops_mask = REGULATOR_CHANGE_CURRENT,
 720         },
 721         .num_consumer_supplies  = ARRAY_SIZE(bq24022_consumers),
 722         .consumer_supplies      = bq24022_consumers,
 723 };
 724
 725 static struct bq24022_mach_info bq24022_info = {
 726         .gpio_nce   = GPIO72_HX4700_BQ24022_nCHARGE_EN,
 727         .gpio_iset2 = GPIO96_HX4700_BQ24022_ISET2,
 728         .init_data  = &bq24022_init_data,
 729 };
 730
 731 static struct platform_device bq24022 = {
 732         .name = "bq24022",
 733         .id   = -1,
 734         .dev  = {
 735                 .platform_data = &bq24022_info,
 736         },
 737 };
 738
 739 /*
 740  * StrataFlash
 741  */
 742
 743 static void hx4700_set_vpp(struct map_info *map, int vpp)
 744 {
 745         gpio_set_value(GPIO91_HX4700_FLASH_VPEN, vpp);
 746 }
 747
 748 static struct resource strataflash_resource = {
 749         .start = PXA_CS0_PHYS,
 750         .end   = PXA_CS0_PHYS + SZ_128M - 1,
 751         .flags = IORESOURCE_MEM,
 752 };
 753
 754 static struct physmap_flash_data strataflash_data = {
 755         .width = 4,
 756         .set_vpp = hx4700_set_vpp,
 757 };
 758
 759 static struct platform_device strataflash = {
 760         .name          = "physmap-flash",
 761         .id            = -1,
 762         .resource      = &strataflash_resource,
 763         .num_resources = 1,
 764         .dev = {
 765                 .platform_data = &strataflash_data,
 766         },
 767 };
 768
 769 /*
 770  * Maxim MAX1587A on PI2C
 771  */
 772
 773 static struct regulator_consumer_supply max1587a_consumer = {
 774         .supply = "vcc_core",
 775 };
 776
 777 static struct regulator_init_data max1587a_v3_info = {
 778         .constraints = {
 779                 .name = "vcc_core range",
 780                 .min_uV =  900000,
 781                 .max_uV = 1705000,
 782                 .always_on = 1,
 783                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 784         },
 785         .num_consumer_supplies = 1,
 786         .consumer_supplies     = &max1587a_consumer,
 787 };
 788
 789 static struct max1586_subdev_data max1587a_subdev = {
 790         .name = "vcc_core",
 791         .id   = MAX1586_V3,
 792         .platform_data = &max1587a_v3_info,
 793 };
 794
 795 static struct max1586_platform_data max1587a_info = {
 796         .num_subdevs = 1,
 797         .subdevs     = &max1587a_subdev,
 798         .v3_gain     = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
 799 };
 800
 801 static struct i2c_board_info __initdata pi2c_board_info[] = {
 802         {
 803                 I2C_BOARD_INFO("max1586", 0x14),
 804                 .platform_data = &max1587a_info,
 805         },
 806 };
 807
 808 /*
 809  * PCMCIA
 810  */
 811
 812 static struct platform_device pcmcia = {
 813         .name = "hx4700-pcmcia",
 814         .dev  = {
 815                 .parent = &asic3.dev,
 816         },
 817 };
 818
 819 /*
 820  * Platform devices
 821  */
 822
 823 static struct platform_device *devices[] __initdata = {
 824         &asic3,
 825         &gpio_keys,
 826         &backlight,
 827         &w3220,
 828         &egpio,
 829         &bq24022,
 830         &gpio_vbus,
 831         &power_supply,
 832         &strataflash,
 833         &pcmcia,
 834 };
 835
 836 static struct gpio_ress global_gpios[] = {
 837         HX4700_GPIO_IN(GPIO12_HX4700_ASIC3_IRQ, "ASIC3_IRQ"),
 838         HX4700_GPIO_IN(GPIO13_HX4700_W3220_IRQ, "W3220_IRQ"),
 839         HX4700_GPIO_IN(GPIO14_HX4700_nWLAN_IRQ, "WLAN_IRQ"),
 840         HX4700_GPIO_OUT(GPIO59_HX4700_LCD_PC1,          1, "LCD_PC1"),
 841         HX4700_GPIO_OUT(GPIO62_HX4700_LCD_nRESET,       1, "LCD_RESET"),
 842         HX4700_GPIO_OUT(GPIO70_HX4700_LCD_SLIN1,        1, "LCD_SLIN1"),
 843         HX4700_GPIO_OUT(GPIO84_HX4700_LCD_SQN,          1, "LCD_SQN"),
 844         HX4700_GPIO_OUT(GPIO110_HX4700_LCD_LVDD_3V3_ON, 1, "LCD_LVDD"),
 845         HX4700_GPIO_OUT(GPIO111_HX4700_LCD_AVDD_3V3_ON, 1, "LCD_AVDD"),
 846         HX4700_GPIO_OUT(GPIO32_HX4700_RS232_ON,         1, "RS232_ON"),
 847         HX4700_GPIO_OUT(GPIO71_HX4700_ASIC3_nRESET,     1, "ASIC3_nRESET"),
 848         HX4700_GPIO_OUT(GPIO82_HX4700_EUART_RESET,      1, "EUART_RESET"),
 849         HX4700_GPIO_OUT(GPIO105_HX4700_nIR_ON,          1, "nIR_EN"),
 850 };
 851
 852 static void __init hx4700_init(void)
 853 {
 854         pxa2xx_mfp_config(ARRAY_AND_SIZE(hx4700_pin_config));
 855         hx4700_gpio_request(ARRAY_AND_SIZE(global_gpios));
 856
 857         platform_add_devices(devices, ARRAY_SIZE(devices));
 858
 859         pxa_set_ficp_info(&ficp_info);
 860         pxa27x_set_i2c_power_info(NULL);
 861         pxa_set_i2c_info(NULL);
 862         i2c_register_board_info(1, ARRAY_AND_SIZE(pi2c_board_info));
 863         pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
 864         spi_register_board_info(ARRAY_AND_SIZE(tsc2046_board_info));
 865
 866         gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 0);
 867         mdelay(10);
 868         gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 1);
 869         mdelay(10);
 870 }
 871
 872 MACHINE_START(H4700, "HP iPAQ HX4700")
 873         .phys_io      = 0x40000000,
 874         .io_pg_offst  = (io_p2v(0x40000000) >> 18) & 0xfffc,
 875         .boot_params  = 0xa0000100,
 876         .map_io       = pxa_map_io,
 877         .init_irq     = pxa27x_init_irq,
 878         .init_machine = hx4700_init,
 879         .timer        = &pxa_timer,
 880 MACHINE_END