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 <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 /*
 139  * IRDA
 140  */
 141
 142 static struct pxaficp_platform_data ficp_info = {
 143         .gpio_pwdown            = GPIO105_HX4700_nIR_ON,
 144         .transceiver_cap        = IR_SIRMODE | IR_OFF,
 145 };
 146
 147 /*
 148  * GPIO Keys
 149  */
 150
 151 #define INIT_KEY(_code, _gpio, _active_low, _desc)      \
 152         {                                               \
 153                 .code       = KEY_##_code,              \
 154                 .gpio       = _gpio,                    \
 155                 .active_low = _active_low,              \
 156                 .desc       = _desc,                    \
 157                 .type       = EV_KEY,                   \
 158                 .wakeup     = 1,                        \
 159         }
 160
 161 static struct gpio_keys_button gpio_keys_buttons[] = {
 162         INIT_KEY(POWER,       GPIO0_HX4700_nKEY_POWER,   1, "Power button"),
 163         INIT_KEY(MAIL,        GPIO94_HX4700_KEY_MAIL,    0, "Mail button"),
 164         INIT_KEY(ADDRESSBOOK, GPIO99_HX4700_KEY_CONTACTS,0, "Contacts button"),
 165         INIT_KEY(RECORD,      GPIOD6_nKEY_RECORD,        1, "Record button"),
 166         INIT_KEY(CALENDAR,    GPIOD1_nKEY_CALENDAR,      1, "Calendar button"),
 167         INIT_KEY(HOMEPAGE,    GPIOD3_nKEY_HOME,          1, "Home button"),
 168 };
 169
 170 static struct gpio_keys_platform_data gpio_keys_data = {
 171         .buttons = gpio_keys_buttons,
 172         .nbuttons = ARRAY_SIZE(gpio_keys_buttons),
 173 };
 174
 175 static struct platform_device gpio_keys = {
 176         .name = "gpio-keys",
 177         .dev  = {
 178                 .platform_data = &gpio_keys_data,
 179         },
 180         .id   = -1,
 181 };
 182
 183 /*
 184  * ASIC3
 185  */
 186
 187 static u16 asic3_gpio_config[] = {
 188         /* ASIC3 GPIO banks A and B along with some of C and D
 189            implement the buffering for the CF slot. */
 190         ASIC3_CONFIG_GPIO(0, 1, 1, 0),
 191         ASIC3_CONFIG_GPIO(1, 1, 1, 0),
 192         ASIC3_CONFIG_GPIO(2, 1, 1, 0),
 193         ASIC3_CONFIG_GPIO(3, 1, 1, 0),
 194         ASIC3_CONFIG_GPIO(4, 1, 1, 0),
 195         ASIC3_CONFIG_GPIO(5, 1, 1, 0),
 196         ASIC3_CONFIG_GPIO(6, 1, 1, 0),
 197         ASIC3_CONFIG_GPIO(7, 1, 1, 0),
 198         ASIC3_CONFIG_GPIO(8, 1, 1, 0),
 199         ASIC3_CONFIG_GPIO(9, 1, 1, 0),
 200         ASIC3_CONFIG_GPIO(10, 1, 1, 0),
 201         ASIC3_CONFIG_GPIO(11, 1, 1, 0),
 202         ASIC3_CONFIG_GPIO(12, 1, 1, 0),
 203         ASIC3_CONFIG_GPIO(13, 1, 1, 0),
 204         ASIC3_CONFIG_GPIO(14, 1, 1, 0),
 205         ASIC3_CONFIG_GPIO(15, 1, 1, 0),
 206
 207         ASIC3_CONFIG_GPIO(16, 1, 1, 0),
 208         ASIC3_CONFIG_GPIO(17, 1, 1, 0),
 209         ASIC3_CONFIG_GPIO(18, 1, 1, 0),
 210         ASIC3_CONFIG_GPIO(19, 1, 1, 0),
 211         ASIC3_CONFIG_GPIO(20, 1, 1, 0),
 212         ASIC3_CONFIG_GPIO(21, 1, 1, 0),
 213         ASIC3_CONFIG_GPIO(22, 1, 1, 0),
 214         ASIC3_CONFIG_GPIO(23, 1, 1, 0),
 215         ASIC3_CONFIG_GPIO(24, 1, 1, 0),
 216         ASIC3_CONFIG_GPIO(25, 1, 1, 0),
 217         ASIC3_CONFIG_GPIO(26, 1, 1, 0),
 218         ASIC3_CONFIG_GPIO(27, 1, 1, 0),
 219         ASIC3_CONFIG_GPIO(28, 1, 1, 0),
 220         ASIC3_CONFIG_GPIO(29, 1, 1, 0),
 221         ASIC3_CONFIG_GPIO(30, 1, 1, 0),
 222         ASIC3_CONFIG_GPIO(31, 1, 1, 0),
 223
 224         /* GPIOC - CF, LEDs, SD */
 225         ASIC3_GPIOC0_LED0,              /* red */
 226         ASIC3_GPIOC1_LED1,              /* green */
 227         ASIC3_GPIOC2_LED2,              /* blue */
 228         ASIC3_GPIOC4_CF_nCD,
 229         ASIC3_GPIOC5_nCIOW,
 230         ASIC3_GPIOC6_nCIOR,
 231         ASIC3_GPIOC7_nPCE_1,
 232         ASIC3_GPIOC8_nPCE_2,
 233         ASIC3_GPIOC9_nPOE,
 234         ASIC3_GPIOC10_nPWE,
 235         ASIC3_GPIOC11_PSKTSEL,
 236         ASIC3_GPIOC12_nPREG,
 237         ASIC3_GPIOC13_nPWAIT,
 238         ASIC3_GPIOC14_nPIOIS16,
 239         ASIC3_GPIOC15_nPIOR,
 240
 241         /* GPIOD: input GPIOs, CF */
 242         ASIC3_GPIOD11_nCIOIS16,
 243         ASIC3_GPIOD12_nCWAIT,
 244         ASIC3_GPIOD15_nPIOW,
 245 };
 246
 247 static struct resource asic3_resources[] = {
 248         /* GPIO part */
 249         [0] = {
 250                 .start  = ASIC3_PHYS,
 251                 .end    = ASIC3_PHYS + ASIC3_MAP_SIZE_16BIT - 1,
 252                 .flags  = IORESOURCE_MEM,
 253         },
 254         [1] = {
 255                 .start  = gpio_to_irq(GPIO12_HX4700_ASIC3_IRQ),
 256                 .end    = gpio_to_irq(GPIO12_HX4700_ASIC3_IRQ),
 257                 .flags  = IORESOURCE_IRQ,
 258         },
 259         /* SD part */
 260         [2] = {
 261                 .start  = ASIC3_SD_PHYS,
 262                 .end    = ASIC3_SD_PHYS + ASIC3_MAP_SIZE_16BIT - 1,
 263                 .flags  = IORESOURCE_MEM,
 264         },
 265         [3] = {
 266                 .start  = gpio_to_irq(GPIO66_HX4700_ASIC3_nSDIO_IRQ),
 267                 .end    = gpio_to_irq(GPIO66_HX4700_ASIC3_nSDIO_IRQ),
 268                 .flags  = IORESOURCE_IRQ,
 269         },
 270 };
 271
 272 static struct asic3_platform_data asic3_platform_data = {
 273         .gpio_config     = asic3_gpio_config,
 274         .gpio_config_num = ARRAY_SIZE(asic3_gpio_config),
 275         .irq_base        = IRQ_BOARD_START,
 276         .gpio_base       = HX4700_ASIC3_GPIO_BASE,
 277 };
 278
 279 static struct platform_device asic3 = {
 280         .name          = "asic3",
 281         .id            = -1,
 282         .resource      = asic3_resources,
 283         .num_resources = ARRAY_SIZE(asic3_resources),
 284         .dev = {
 285                 .platform_data = &asic3_platform_data,
 286         },
 287 };
 288
 289 /*
 290  * EGPIO
 291  */
 292
 293 static struct resource egpio_resources[] = {
 294         [0] = {
 295                 .start = PXA_CS5_PHYS,
 296                 .end   = PXA_CS5_PHYS + 0x4 - 1,
 297                 .flags = IORESOURCE_MEM,
 298         },
 299 };
 300
 301 static struct htc_egpio_chip egpio_chips[] = {
 302         [0] = {
 303                 .reg_start = 0,
 304                 .gpio_base = HX4700_EGPIO_BASE,
 305                 .num_gpios = 8,
 306                 .direction = HTC_EGPIO_OUTPUT,
 307         },
 308 };
 309
 310 static struct htc_egpio_platform_data egpio_info = {
 311         .reg_width = 16,
 312         .bus_width = 16,
 313         .chip      = egpio_chips,
 314         .num_chips = ARRAY_SIZE(egpio_chips),
 315 };
 316
 317 static struct platform_device egpio = {
 318         .name          = "htc-egpio",
 319         .id            = -1,
 320         .resource      = egpio_resources,
 321         .num_resources = ARRAY_SIZE(egpio_resources),
 322         .dev = {
 323                 .platform_data = &egpio_info,
 324         },
 325 };
 326
 327 /*
 328  * LCD - Sony display connected to ATI Imageon w3220
 329  */
 330
 331 static void sony_lcd_init(void)
 332 {
 333         gpio_set_value(GPIO84_HX4700_LCD_SQN, 1);
 334         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
 335         gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
 336         gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 0);
 337         gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
 338         mdelay(10);
 339         gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
 340         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
 341         mdelay(20);
 342
 343         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 1);
 344         mdelay(5);
 345         gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 1);
 346
 347         /* FIXME: init w3220 registers here */
 348
 349         mdelay(5);
 350         gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 1);
 351         mdelay(10);
 352         gpio_set_value(GPIO62_HX4700_LCD_nRESET, 1);
 353         mdelay(10);
 354         gpio_set_value(GPIO59_HX4700_LCD_PC1, 1);
 355         mdelay(10);
 356         gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 1);
 357 }
 358
 359 static void sony_lcd_off(void)
 360 {
 361         gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
 362         gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
 363         mdelay(10);
 364         gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 0);
 365         mdelay(10);
 366         gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
 367         mdelay(10);
 368         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
 369 }
 370
 371 #ifdef CONFIG_PM
 372 static void w3220_lcd_suspend(struct w100fb_par *wfb)
 373 {
 374         sony_lcd_off();
 375 }
 376
 377 static void w3220_lcd_resume(struct w100fb_par *wfb)
 378 {
 379         sony_lcd_init();
 380 }
 381 #else
 382 #define w3220_lcd_resume        NULL
 383 #define w3220_lcd_suspend       NULL
 384 #endif
 385
 386 static struct w100_tg_info w3220_tg_info = {
 387         .suspend        = w3220_lcd_suspend,
 388         .resume         = w3220_lcd_resume,
 389 };
 390
 391 /*                               W3220_VGA              QVGA */
 392 static struct w100_gen_regs w3220_regs = {
 393         .lcd_format =        0x00000003,
 394         .lcdd_cntl1 =        0x00000000,
 395         .lcdd_cntl2 =        0x0003ffff,
 396         .genlcd_cntl1 =      0x00abf003,        /* 0x00fff003 */
 397         .genlcd_cntl2 =      0x00000003,
 398         .genlcd_cntl3 =      0x000102aa,
 399 };
 400
 401 static struct w100_mode w3220_modes[] = {
 402 {
 403         .xres           = 480,
 404         .yres           = 640,
 405         .left_margin    = 15,
 406         .right_margin   = 16,
 407         .upper_margin   = 8,
 408         .lower_margin   = 7,
 409         .crtc_ss        = 0x00000000,
 410         .crtc_ls        = 0xa1ff01f9,   /* 0x21ff01f9 */
 411         .crtc_gs        = 0xc0000000,   /* 0x40000000 */
 412         .crtc_vpos_gs   = 0x0000028f,
 413         .crtc_ps1_active = 0x00000000,  /* 0x41060010 */
 414         .crtc_rev       = 0,
 415         .crtc_dclk      = 0x80000000,
 416         .crtc_gclk      = 0x040a0104,
 417         .crtc_goe       = 0,
 418         .pll_freq       = 95,
 419         .pixclk_divider = 4,
 420         .pixclk_divider_rotated = 4,
 421         .pixclk_src     = CLK_SRC_PLL,
 422         .sysclk_divider = 0,
 423         .sysclk_src     = CLK_SRC_PLL,
 424 },
 425 {
 426         .xres           = 240,
 427         .yres           = 320,
 428         .left_margin    = 9,
 429         .right_margin   = 8,
 430         .upper_margin   = 5,
 431         .lower_margin   = 4,
 432         .crtc_ss        = 0x80150014,
 433         .crtc_ls        = 0xa0fb00f7,
 434         .crtc_gs        = 0xc0080007,
 435         .crtc_vpos_gs   = 0x00080007,
 436         .crtc_rev       = 0x0000000a,
 437         .crtc_dclk      = 0x81700030,
 438         .crtc_gclk      = 0x8015010f,
 439         .crtc_goe       = 0x00000000,
 440         .pll_freq       = 95,
 441         .pixclk_divider = 4,
 442         .pixclk_divider_rotated = 4,
 443         .pixclk_src     = CLK_SRC_PLL,
 444         .sysclk_divider = 0,
 445         .sysclk_src     = CLK_SRC_PLL,
 446 },
 447 };
 448
 449 struct w100_mem_info w3220_mem_info = {
 450         .ext_cntl        = 0x09640011,
 451         .sdram_mode_reg  = 0x00600021,
 452         .ext_timing_cntl = 0x1a001545,  /* 0x15001545 */
 453         .io_cntl         = 0x7ddd7333,
 454         .size            = 0x1fffff,
 455 };
 456
 457 struct w100_bm_mem_info w3220_bm_mem_info = {
 458         .ext_mem_bw = 0x50413e01,
 459         .offset = 0,
 460         .ext_timing_ctl = 0x00043f7f,
 461         .ext_cntl = 0x00000010,
 462         .mode_reg = 0x00250000,
 463         .io_cntl = 0x0fff0000,
 464         .config = 0x08301480,
 465 };
 466
 467 static struct w100_gpio_regs w3220_gpio_info = {
 468         .init_data1 = 0xdfe00100,       /* GPIO_DATA */
 469         .gpio_dir1  = 0xffff0000,       /* GPIO_CNTL1 */
 470         .gpio_oe1   = 0x00000000,       /* GPIO_CNTL2 */
 471         .init_data2 = 0x00000000,       /* GPIO_DATA2 */
 472         .gpio_dir2  = 0x00000000,       /* GPIO_CNTL3 */
 473         .gpio_oe2   = 0x00000000,       /* GPIO_CNTL4 */
 474 };
 475
 476 static struct w100fb_mach_info w3220_info = {
 477         .tg        = &w3220_tg_info,
 478         .mem       = &w3220_mem_info,
 479         .bm_mem    = &w3220_bm_mem_info,
 480         .gpio      = &w3220_gpio_info,
 481         .regs      = &w3220_regs,
 482         .modelist  = w3220_modes,
 483         .num_modes = 2,
 484         .xtal_freq = 16000000,
 485 };
 486
 487 static struct resource w3220_resources[] = {
 488         [0] = {
 489                 .start  = ATI_W3220_PHYS,
 490                 .end    = ATI_W3220_PHYS + 0x00ffffff,
 491                 .flags  = IORESOURCE_MEM,
 492         },
 493 };
 494
 495 static struct platform_device w3220 = {
 496         .name   = "w100fb",
 497         .id     = -1,
 498         .dev    = {
 499                 .platform_data = &w3220_info,
 500         },
 501         .num_resources = ARRAY_SIZE(w3220_resources),
 502         .resource      = w3220_resources,
 503 };
 504
 505 static void hx4700_lcd_set_power(struct plat_lcd_data *pd, unsigned int power)
 506 {
 507         if (power)
 508                 sony_lcd_init();
 509         else
 510                 sony_lcd_off();
 511 }
 512
 513 static struct plat_lcd_data hx4700_lcd_data = {
 514         .set_power = hx4700_lcd_set_power,
 515 };
 516
 517 static struct platform_device hx4700_lcd = {
 518         .name = "platform-lcd",
 519         .id   = -1,
 520         .dev  = {
 521                 .platform_data = &hx4700_lcd_data,
 522                 .parent        = &w3220.dev,
 523         },
 524 };
 525
 526 /*
 527  * Backlight
 528  */
 529
 530 static struct platform_pwm_backlight_data backlight_data = {
 531         .pwm_id         = 1,
 532         .max_brightness = 200,
 533         .dft_brightness = 100,
 534         .pwm_period_ns  = 30923,
 535 };
 536
 537 static struct platform_device backlight = {
 538         .name = "pwm-backlight",
 539         .id   = -1,
 540         .dev  = {
 541                 .parent        = &pxa27x_device_pwm1.dev,
 542                 .platform_data = &backlight_data,
 543         },
 544 };
 545
 546 /*
 547  * USB "Transceiver"
 548  */
 549
 550 static struct gpio_vbus_mach_info gpio_vbus_info = {
 551         .gpio_pullup        = GPIO76_HX4700_USBC_PUEN,
 552         .gpio_vbus          = GPIOD14_nUSBC_DETECT,
 553         .gpio_vbus_inverted = 1,
 554 };
 555
 556 static struct platform_device gpio_vbus = {
 557         .name          = "gpio-vbus",
 558         .id            = -1,
 559         .dev = {
 560                 .platform_data = &gpio_vbus_info,
 561         },
 562 };
 563
 564 /*
 565  * Touchscreen - TSC2046 connected to SSP2
 566  */
 567
 568 static const struct ads7846_platform_data tsc2046_info = {
 569         .model            = 7846,
 570         .vref_delay_usecs = 100,
 571         .pressure_max     = 1024,
 572         .debounce_max     = 10,
 573         .debounce_tol     = 3,
 574         .debounce_rep     = 1,
 575         .gpio_pendown     = GPIO58_HX4700_TSC2046_nPENIRQ,
 576 };
 577
 578 static struct pxa2xx_spi_chip tsc2046_chip = {
 579         .tx_threshold = 1,
 580         .rx_threshold = 2,
 581         .timeout      = 64,
 582         .gpio_cs      = GPIO88_HX4700_TSC2046_CS,
 583 };
 584
 585 static struct spi_board_info tsc2046_board_info[] __initdata = {
 586         {
 587                 .modalias        = "ads7846",
 588                 .bus_num         = 2,
 589                 .max_speed_hz    = 2600000, /* 100 kHz sample rate */
 590                 .irq             = gpio_to_irq(GPIO58_HX4700_TSC2046_nPENIRQ),
 591                 .platform_data   = &tsc2046_info,
 592                 .controller_data = &tsc2046_chip,
 593         },
 594 };
 595
 596 static struct pxa2xx_spi_master pxa_ssp2_master_info = {
 597         .num_chipselect = 1,
 598         .clock_enable   = CKEN_SSP2,
 599         .enable_dma     = 1,
 600 };
 601
 602 /*
 603  * External power
 604  */
 605
 606 static int power_supply_init(struct device *dev)
 607 {
 608         return gpio_request(GPIOD9_nAC_IN, "AC charger detect");
 609 }
 610
 611 static int hx4700_is_ac_online(void)
 612 {
 613         return !gpio_get_value(GPIOD9_nAC_IN);
 614 }
 615
 616 static void power_supply_exit(struct device *dev)
 617 {
 618         gpio_free(GPIOD9_nAC_IN);
 619 }
 620
 621 static char *hx4700_supplicants[] = {
 622         "ds2760-battery.0", "backup-battery"
 623 };
 624
 625 static struct pda_power_pdata power_supply_info = {
 626         .init            = power_supply_init,
 627         .is_ac_online    = hx4700_is_ac_online,
 628         .exit            = power_supply_exit,
 629         .supplied_to     = hx4700_supplicants,
 630         .num_supplicants = ARRAY_SIZE(hx4700_supplicants),
 631 };
 632
 633 static struct resource power_supply_resources[] = {
 634         [0] = {
 635                 .name  = "ac",
 636                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
 637                          IORESOURCE_IRQ_LOWEDGE,
 638                 .start = gpio_to_irq(GPIOD9_nAC_IN),
 639                 .end   = gpio_to_irq(GPIOD9_nAC_IN),
 640         },
 641         [1] = {
 642                 .name  = "usb",
 643                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
 644                          IORESOURCE_IRQ_LOWEDGE,
 645                 .start = gpio_to_irq(GPIOD14_nUSBC_DETECT),
 646                 .end   = gpio_to_irq(GPIOD14_nUSBC_DETECT),
 647         },
 648 };
 649
 650 static struct platform_device power_supply = {
 651         .name = "pda-power",
 652         .id   = -1,
 653         .dev  = {
 654                 .platform_data = &power_supply_info,
 655         },
 656         .resource      = power_supply_resources,
 657         .num_resources = ARRAY_SIZE(power_supply_resources),
 658 };
 659
 660 /*
 661  * Battery charger
 662  */
 663
 664 static struct regulator_consumer_supply bq24022_consumers[] = {
 665         {
 666                 .dev = &gpio_vbus.dev,
 667                 .supply = "vbus_draw",
 668         },
 669         {
 670                 .dev = &power_supply.dev,
 671                 .supply = "ac_draw",
 672         },
 673 };
 674
 675 static struct regulator_init_data bq24022_init_data = {
 676         .constraints = {
 677                 .max_uA         = 500000,
 678                 .valid_ops_mask = REGULATOR_CHANGE_CURRENT|REGULATOR_CHANGE_STATUS,
 679         },
 680         .num_consumer_supplies  = ARRAY_SIZE(bq24022_consumers),
 681         .consumer_supplies      = bq24022_consumers,
 682 };
 683
 684 static struct bq24022_mach_info bq24022_info = {
 685         .gpio_nce   = GPIO72_HX4700_BQ24022_nCHARGE_EN,
 686         .gpio_iset2 = GPIO96_HX4700_BQ24022_ISET2,
 687         .init_data  = &bq24022_init_data,
 688 };
 689
 690 static struct platform_device bq24022 = {
 691         .name = "bq24022",
 692         .id   = -1,
 693         .dev  = {
 694                 .platform_data = &bq24022_info,
 695         },
 696 };
 697
 698 /*
 699  * StrataFlash
 700  */
 701
 702 static void hx4700_set_vpp(struct platform_device *pdev, int vpp)
 703 {
 704         gpio_set_value(GPIO91_HX4700_FLASH_VPEN, vpp);
 705 }
 706
 707 static struct resource strataflash_resource = {
 708         .start = PXA_CS0_PHYS,
 709         .end   = PXA_CS0_PHYS + SZ_128M - 1,
 710         .flags = IORESOURCE_MEM,
 711 };
 712
 713 static struct physmap_flash_data strataflash_data = {
 714         .width = 4,
 715         .set_vpp = hx4700_set_vpp,
 716 };
 717
 718 static struct platform_device strataflash = {
 719         .name          = "physmap-flash",
 720         .id            = -1,
 721         .resource      = &strataflash_resource,
 722         .num_resources = 1,
 723         .dev = {
 724                 .platform_data = &strataflash_data,
 725         },
 726 };
 727
 728 /*
 729  * Maxim MAX1587A on PI2C
 730  */
 731
 732 static struct regulator_consumer_supply max1587a_consumer = {
 733         .supply = "vcc_core",
 734 };
 735
 736 static struct regulator_init_data max1587a_v3_info = {
 737         .constraints = {
 738                 .name = "vcc_core range",
 739                 .min_uV =  900000,
 740                 .max_uV = 1705000,
 741                 .always_on = 1,
 742                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 743         },
 744         .num_consumer_supplies = 1,
 745         .consumer_supplies     = &max1587a_consumer,
 746 };
 747
 748 static struct max1586_subdev_data max1587a_subdev = {
 749         .name = "vcc_core",
 750         .id   = MAX1586_V3,
 751         .platform_data = &max1587a_v3_info,
 752 };
 753
 754 static struct max1586_platform_data max1587a_info = {
 755         .num_subdevs = 1,
 756         .subdevs     = &max1587a_subdev,
 757         .v3_gain     = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
 758 };
 759
 760 static struct i2c_board_info __initdata pi2c_board_info[] = {
 761         {
 762                 I2C_BOARD_INFO("max1586", 0x14),
 763                 .platform_data = &max1587a_info,
 764         },
 765 };
 766
 767 /*
 768  * PCMCIA
 769  */
 770
 771 static struct platform_device pcmcia = {
 772         .name = "hx4700-pcmcia",
 773         .dev  = {
 774                 .parent = &asic3.dev,
 775         },
 776 };
 777
 778 /*
 779  * Platform devices
 780  */
 781
 782 static struct platform_device *devices[] __initdata = {
 783         &asic3,
 784         &gpio_keys,
 785         &backlight,
 786         &w3220,
 787         &hx4700_lcd,
 788         &egpio,
 789         &bq24022,
 790         &gpio_vbus,
 791         &power_supply,
 792         &strataflash,
 793         &pcmcia,
 794 };
 795
 796 static struct gpio global_gpios[] = {
 797         { GPIO12_HX4700_ASIC3_IRQ, GPIOF_IN, "ASIC3_IRQ" },
 798         { GPIO13_HX4700_W3220_IRQ, GPIOF_IN, "W3220_IRQ" },
 799         { GPIO14_HX4700_nWLAN_IRQ, GPIOF_IN, "WLAN_IRQ" },
 800         { GPIO59_HX4700_LCD_PC1,          GPIOF_OUT_INIT_HIGH, "LCD_PC1" },
 801         { GPIO62_HX4700_LCD_nRESET,       GPIOF_OUT_INIT_HIGH, "LCD_RESET" },
 802         { GPIO70_HX4700_LCD_SLIN1,        GPIOF_OUT_INIT_HIGH, "LCD_SLIN1" },
 803         { GPIO84_HX4700_LCD_SQN,          GPIOF_OUT_INIT_HIGH, "LCD_SQN" },
 804         { GPIO110_HX4700_LCD_LVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_LVDD" },
 805         { GPIO111_HX4700_LCD_AVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_AVDD" },
 806         { GPIO32_HX4700_RS232_ON,         GPIOF_OUT_INIT_HIGH, "RS232_ON" },
 807         { GPIO71_HX4700_ASIC3_nRESET,     GPIOF_OUT_INIT_HIGH, "ASIC3_nRESET" },
 808         { GPIO82_HX4700_EUART_RESET,      GPIOF_OUT_INIT_HIGH, "EUART_RESET" },
 809         { GPIO105_HX4700_nIR_ON,          GPIOF_OUT_INIT_HIGH, "nIR_EN" },
 810 };
 811
 812 static void __init hx4700_init(void)
 813 {
 814         int ret;
 815
 816         pxa2xx_mfp_config(ARRAY_AND_SIZE(hx4700_pin_config));
 817         ret = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
 818         if (ret)
 819                 pr_err ("hx4700: Failed to request GPIOs.\n");
 820
 821         pxa_set_ffuart_info(NULL);
 822         pxa_set_btuart_info(NULL);
 823         pxa_set_stuart_info(NULL);
 824
 825         platform_add_devices(devices, ARRAY_SIZE(devices));
 826
 827         pxa_set_ficp_info(&ficp_info);
 828         pxa27x_set_i2c_power_info(NULL);
 829         pxa_set_i2c_info(NULL);
 830         i2c_register_board_info(1, ARRAY_AND_SIZE(pi2c_board_info));
 831         pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
 832         spi_register_board_info(ARRAY_AND_SIZE(tsc2046_board_info));
 833
 834         gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 0);
 835         mdelay(10);
 836         gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 1);
 837         mdelay(10);
 838 }
 839
 840 MACHINE_START(H4700, "HP iPAQ HX4700")
 841         .atag_offset  = 0x100,
 842         .map_io       = pxa27x_map_io,
 843         .nr_irqs      = HX4700_NR_IRQS,
 844         .init_irq     = pxa27x_init_irq,
 845         .handle_irq     = pxa27x_handle_irq,
 846         .init_machine = hx4700_init,
 847         .timer        = &pxa_timer,
 848 MACHINE_END