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