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/w100fb.h>
  49
  50 #include "devices.h"
  51 #include "generic.h"
  52
  53 /* Physical address space information */
  54
  55 #define ATI_W3220_PHYS  PXA_CS2_PHYS /* ATI Imageon 3220 Graphics */
  56 #define ASIC3_PHYS      PXA_CS3_PHYS
  57 #define ASIC3_SD_PHYS   (PXA_CS3_PHYS + 0x02000000)
  58
  59 static unsigned long hx4700_pin_config[] __initdata = {
  60
  61         /* SDRAM and Static Memory I/O Signals */
  62         GPIO20_nSDCS_2,
  63         GPIO21_nSDCS_3,
  64         GPIO15_nCS_1,
  65         GPIO78_nCS_2,   /* W3220 */
  66         GPIO79_nCS_3,   /* ASIC3 */
  67         GPIO80_nCS_4,
  68         GPIO33_nCS_5,   /* EGPIO, WLAN */
  69
  70         /* PC CARD */
  71         GPIO48_nPOE,
  72         GPIO49_nPWE,
  73         GPIO50_nPIOR,
  74         GPIO51_nPIOW,
  75         GPIO54_nPCE_2,
  76         GPIO55_nPREG,
  77         GPIO56_nPWAIT,
  78         GPIO57_nIOIS16,
  79         GPIO85_nPCE_1,
  80         GPIO104_PSKTSEL,
  81
  82         /* I2C */
  83         GPIO117_I2C_SCL,
  84         GPIO118_I2C_SDA,
  85
  86         /* FFUART (RS-232) */
  87         GPIO34_FFUART_RXD,
  88         GPIO35_FFUART_CTS,
  89         GPIO36_FFUART_DCD,
  90         GPIO37_FFUART_DSR,
  91         GPIO38_FFUART_RI,
  92         GPIO39_FFUART_TXD,
  93         GPIO40_FFUART_DTR,
  94         GPIO41_FFUART_RTS,
  95
  96         /* BTUART */
  97         GPIO42_BTUART_RXD,
  98         GPIO43_BTUART_TXD,
  99         GPIO44_BTUART_CTS,
 100         GPIO45_BTUART_RTS,
 101
 102         /* PWM 1 (Backlight) */
 103         GPIO17_PWM1_OUT,
 104
 105         /* I2S */
 106         GPIO28_I2S_BITCLK_OUT,
 107         GPIO29_I2S_SDATA_IN,
 108         GPIO30_I2S_SDATA_OUT,
 109         GPIO31_I2S_SYNC,
 110         GPIO113_I2S_SYSCLK,
 111
 112         /* SSP 1 (NavPoint) */
 113         GPIO23_SSP1_SCLK,
 114         GPIO24_SSP1_SFRM,
 115         GPIO25_SSP1_TXD,
 116         GPIO26_SSP1_RXD,
 117
 118         /* SSP 2 (TSC2046) */
 119         GPIO19_SSP2_SCLK,
 120         GPIO86_SSP2_RXD,
 121         GPIO87_SSP2_TXD,
 122         GPIO88_GPIO,
 123
 124         /* HX4700 specific input GPIOs */
 125         GPIO12_GPIO,    /* ASIC3_IRQ */
 126         GPIO13_GPIO,    /* W3220_IRQ */
 127         GPIO14_GPIO,    /* nWLAN_IRQ */
 128
 129         GPIO10_GPIO,    /* GSM_IRQ */
 130         GPIO13_GPIO,    /* CPLD_IRQ */
 131         GPIO107_GPIO,   /* DS1WM_IRQ */
 132         GPIO108_GPIO,   /* GSM_READY */
 133         GPIO58_GPIO,    /* TSC2046_nPENIRQ */
 134         GPIO66_GPIO,    /* nSDIO_IRQ */
 135 };
 136
 137 #define HX4700_GPIO_IN(num, _desc) \
 138         { .gpio = (num), .dir = 0, .desc = (_desc) }
 139 #define HX4700_GPIO_OUT(num, _init, _desc) \
 140         { .gpio = (num), .dir = 1, .init = (_init), .desc = (_desc) }
 141 struct gpio_ress {
 142         unsigned gpio : 8;
 143         unsigned dir : 1;
 144         unsigned init : 1;
 145         char *desc;
 146 };
 147
 148 static int hx4700_gpio_request(struct gpio_ress *gpios, int size)
 149 {
 150         int i, rc = 0;
 151         int gpio;
 152         int dir;
 153
 154         for (i = 0; (!rc) && (i < size); i++) {
 155                 gpio = gpios[i].gpio;
 156                 dir = gpios[i].dir;
 157                 rc = gpio_request(gpio, gpios[i].desc);
 158                 if (rc) {
 159                         pr_err("Error requesting GPIO %d(%s) : %d\n",
 160                                gpio, gpios[i].desc, rc);
 161                         continue;
 162                 }
 163                 if (dir)
 164                         gpio_direction_output(gpio, gpios[i].init);
 165                 else
 166                         gpio_direction_input(gpio);
 167         }
 168         while ((rc) && (--i >= 0))
 169                 gpio_free(gpios[i].gpio);
 170         return rc;
 171 }
 172
 173 /*
 174  * IRDA
 175  */
 176
 177 static void irda_transceiver_mode(struct device *dev, int mode)
 178 {
 179         gpio_set_value(GPIO105_HX4700_nIR_ON, mode & IR_OFF);
 180 }
 181
 182 static struct pxaficp_platform_data ficp_info = {
 183         .transceiver_cap  = IR_SIRMODE | IR_OFF,
 184         .transceiver_mode = irda_transceiver_mode,
 185 };
 186
 187 /*
 188  * GPIO Keys
 189  */
 190
 191 #define INIT_KEY(_code, _gpio, _active_low, _desc)      \
 192         {                                               \
 193                 .code       = KEY_##_code,              \
 194                 .gpio       = _gpio,                    \
 195                 .active_low = _active_low,              \
 196                 .desc       = _desc,                    \
 197                 .type       = EV_KEY,                   \
 198                 .wakeup     = 1,                        \
 199         }
 200
 201 static struct gpio_keys_button gpio_keys_buttons[] = {
 202         INIT_KEY(POWER,       GPIO0_HX4700_nKEY_POWER,   1, "Power button"),
 203         INIT_KEY(MAIL,        GPIO94_HX4700_KEY_MAIL,    0, "Mail button"),
 204         INIT_KEY(ADDRESSBOOK, GPIO99_HX4700_KEY_CONTACTS,0, "Contacts button"),
 205         INIT_KEY(RECORD,      GPIOD6_nKEY_RECORD,        1, "Record button"),
 206         INIT_KEY(CALENDAR,    GPIOD1_nKEY_CALENDAR,      1, "Calendar button"),
 207         INIT_KEY(HOMEPAGE,    GPIOD3_nKEY_HOME,          1, "Home button"),
 208 };
 209
 210 static struct gpio_keys_platform_data gpio_keys_data = {
 211         .buttons = gpio_keys_buttons,
 212         .nbuttons = ARRAY_SIZE(gpio_keys_buttons),
 213 };
 214
 215 static struct platform_device gpio_keys = {
 216         .name = "gpio-keys",
 217         .dev  = {
 218                 .platform_data = &gpio_keys_data,
 219         },
 220         .id   = -1,
 221 };
 222
 223 /*
 224  * ASIC3
 225  */
 226
 227 static u16 asic3_gpio_config[] = {
 228         /* ASIC3 GPIO banks A and B along with some of C and D
 229            implement the buffering for the CF slot. */
 230         ASIC3_CONFIG_GPIO(0, 1, 1, 0),
 231         ASIC3_CONFIG_GPIO(1, 1, 1, 0),
 232         ASIC3_CONFIG_GPIO(2, 1, 1, 0),
 233         ASIC3_CONFIG_GPIO(3, 1, 1, 0),
 234         ASIC3_CONFIG_GPIO(4, 1, 1, 0),
 235         ASIC3_CONFIG_GPIO(5, 1, 1, 0),
 236         ASIC3_CONFIG_GPIO(6, 1, 1, 0),
 237         ASIC3_CONFIG_GPIO(7, 1, 1, 0),
 238         ASIC3_CONFIG_GPIO(8, 1, 1, 0),
 239         ASIC3_CONFIG_GPIO(9, 1, 1, 0),
 240         ASIC3_CONFIG_GPIO(10, 1, 1, 0),
 241         ASIC3_CONFIG_GPIO(11, 1, 1, 0),
 242         ASIC3_CONFIG_GPIO(12, 1, 1, 0),
 243         ASIC3_CONFIG_GPIO(13, 1, 1, 0),
 244         ASIC3_CONFIG_GPIO(14, 1, 1, 0),
 245         ASIC3_CONFIG_GPIO(15, 1, 1, 0),
 246
 247         ASIC3_CONFIG_GPIO(16, 1, 1, 0),
 248         ASIC3_CONFIG_GPIO(17, 1, 1, 0),
 249         ASIC3_CONFIG_GPIO(18, 1, 1, 0),
 250         ASIC3_CONFIG_GPIO(19, 1, 1, 0),
 251         ASIC3_CONFIG_GPIO(20, 1, 1, 0),
 252         ASIC3_CONFIG_GPIO(21, 1, 1, 0),
 253         ASIC3_CONFIG_GPIO(22, 1, 1, 0),
 254         ASIC3_CONFIG_GPIO(23, 1, 1, 0),
 255         ASIC3_CONFIG_GPIO(24, 1, 1, 0),
 256         ASIC3_CONFIG_GPIO(25, 1, 1, 0),
 257         ASIC3_CONFIG_GPIO(26, 1, 1, 0),
 258         ASIC3_CONFIG_GPIO(27, 1, 1, 0),
 259         ASIC3_CONFIG_GPIO(28, 1, 1, 0),
 260         ASIC3_CONFIG_GPIO(29, 1, 1, 0),
 261         ASIC3_CONFIG_GPIO(30, 1, 1, 0),
 262         ASIC3_CONFIG_GPIO(31, 1, 1, 0),
 263
 264         /* GPIOC - CF, LEDs, SD */
 265         ASIC3_GPIOC0_LED0,              /* red */
 266         ASIC3_GPIOC1_LED1,              /* green */
 267         ASIC3_GPIOC2_LED2,              /* blue */
 268         ASIC3_GPIOC4_CF_nCD,
 269         ASIC3_GPIOC5_nCIOW,
 270         ASIC3_GPIOC6_nCIOR,
 271         ASIC3_GPIOC7_nPCE_1,
 272         ASIC3_GPIOC8_nPCE_2,
 273         ASIC3_GPIOC9_nPOE,
 274         ASIC3_GPIOC10_nPWE,
 275         ASIC3_GPIOC11_PSKTSEL,
 276         ASIC3_GPIOC12_nPREG,
 277         ASIC3_GPIOC13_nPWAIT,
 278         ASIC3_GPIOC14_nPIOIS16,
 279         ASIC3_GPIOC15_nPIOR,
 280
 281         /* GPIOD: input GPIOs, CF */
 282         ASIC3_GPIOD11_nCIOIS16,
 283         ASIC3_GPIOD12_nCWAIT,
 284         ASIC3_GPIOD15_nPIOW,
 285 };
 286
 287 static struct resource asic3_resources[] = {
 288         /* GPIO part */
 289         [0] = {
 290                 .start  = ASIC3_PHYS,
 291                 .end    = ASIC3_PHYS + ASIC3_MAP_SIZE_16BIT - 1,
 292                 .flags  = IORESOURCE_MEM,
 293         },
 294         [1] = {
 295                 .start  = gpio_to_irq(GPIO12_HX4700_ASIC3_IRQ),
 296                 .end    = gpio_to_irq(GPIO12_HX4700_ASIC3_IRQ),
 297                 .flags  = IORESOURCE_IRQ,
 298         },
 299         /* SD part */
 300         [2] = {
 301                 .start  = ASIC3_SD_PHYS,
 302                 .end    = ASIC3_SD_PHYS + ASIC3_MAP_SIZE_16BIT - 1,
 303                 .flags  = IORESOURCE_MEM,
 304         },
 305         [3] = {
 306                 .start  = gpio_to_irq(GPIO66_HX4700_ASIC3_nSDIO_IRQ),
 307                 .end    = gpio_to_irq(GPIO66_HX4700_ASIC3_nSDIO_IRQ),
 308                 .flags  = IORESOURCE_IRQ,
 309         },
 310 };
 311
 312 static struct asic3_platform_data asic3_platform_data = {
 313         .gpio_config     = asic3_gpio_config,
 314         .gpio_config_num = ARRAY_SIZE(asic3_gpio_config),
 315         .irq_base        = IRQ_BOARD_START,
 316         .gpio_base       = HX4700_ASIC3_GPIO_BASE,
 317 };
 318
 319 static struct platform_device asic3 = {
 320         .name          = "asic3",
 321         .id            = -1,
 322         .resource      = asic3_resources,
 323         .num_resources = ARRAY_SIZE(asic3_resources),
 324         .dev = {
 325                 .platform_data = &asic3_platform_data,
 326         },
 327 };
 328
 329 /*
 330  * EGPIO
 331  */
 332
 333 static struct resource egpio_resources[] = {
 334         [0] = {
 335                 .start = PXA_CS5_PHYS,
 336                 .end   = PXA_CS5_PHYS + 0x4 - 1,
 337                 .flags = IORESOURCE_MEM,
 338         },
 339 };
 340
 341 static struct htc_egpio_chip egpio_chips[] = {
 342         [0] = {
 343                 .reg_start = 0,
 344                 .gpio_base = HX4700_EGPIO_BASE,
 345                 .num_gpios = 8,
 346                 .direction = HTC_EGPIO_OUTPUT,
 347         },
 348 };
 349
 350 static struct htc_egpio_platform_data egpio_info = {
 351         .reg_width = 16,
 352         .bus_width = 16,
 353         .chip      = egpio_chips,
 354         .num_chips = ARRAY_SIZE(egpio_chips),
 355 };
 356
 357 static struct platform_device egpio = {
 358         .name          = "htc-egpio",
 359         .id            = -1,
 360         .resource      = egpio_resources,
 361         .num_resources = ARRAY_SIZE(egpio_resources),
 362         .dev = {
 363                 .platform_data = &egpio_info,
 364         },
 365 };
 366
 367 /*
 368  * LCD - Sony display connected to ATI Imageon w3220
 369  */
 370
 371 static int lcd_power;
 372
 373 static void sony_lcd_init(void)
 374 {
 375         gpio_set_value(GPIO84_HX4700_LCD_SQN, 1);
 376         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
 377         gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
 378         gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 0);
 379         gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
 380         mdelay(10);
 381         gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
 382         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
 383         mdelay(20);
 384
 385         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 1);
 386         mdelay(5);
 387         gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 1);
 388
 389         /* FIXME: init w3220 registers here */
 390
 391         mdelay(5);
 392         gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 1);
 393         mdelay(10);
 394         gpio_set_value(GPIO62_HX4700_LCD_nRESET, 1);
 395         mdelay(10);
 396         gpio_set_value(GPIO59_HX4700_LCD_PC1, 1);
 397         mdelay(10);
 398         gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 1);
 399 }
 400
 401 static void sony_lcd_off(void)
 402 {
 403         gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
 404         gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
 405         mdelay(10);
 406         gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 0);
 407         mdelay(10);
 408         gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
 409         mdelay(10);
 410         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
 411 }
 412
 413 static int hx4700_lcd_set_power(struct lcd_device *ldev, int level)
 414 {
 415         switch (level) {
 416         case FB_BLANK_UNBLANK:
 417                 sony_lcd_init();
 418                 break;
 419         case FB_BLANK_NORMAL:
 420         case FB_BLANK_VSYNC_SUSPEND:
 421         case FB_BLANK_HSYNC_SUSPEND:
 422         case FB_BLANK_POWERDOWN:
 423                 sony_lcd_off();
 424                 break;
 425         }
 426         lcd_power = level;
 427         return 0;
 428 }
 429
 430 static int hx4700_lcd_get_power(struct lcd_device *lm)
 431 {
 432         return lcd_power;
 433 }
 434
 435 static struct lcd_ops hx4700_lcd_ops = {
 436         .get_power = hx4700_lcd_get_power,
 437         .set_power = hx4700_lcd_set_power,
 438 };
 439
 440 static struct lcd_device *hx4700_lcd_device;
 441
 442 #ifdef CONFIG_PM
 443 static void w3220_lcd_suspend(struct w100fb_par *wfb)
 444 {
 445         sony_lcd_off();
 446 }
 447
 448 static void w3220_lcd_resume(struct w100fb_par *wfb)
 449 {
 450         sony_lcd_init();
 451 }
 452 #else
 453 #define w3220_lcd_resume        NULL
 454 #define w3220_lcd_suspend       NULL
 455 #endif
 456
 457 static struct w100_tg_info w3220_tg_info = {
 458         .suspend        = w3220_lcd_suspend,
 459         .resume         = w3220_lcd_resume,
 460 };
 461
 462 /*                               W3220_VGA              QVGA */
 463 static struct w100_gen_regs w3220_regs = {
 464         .lcd_format =        0x00000003,
 465         .lcdd_cntl1 =        0x00000000,
 466         .lcdd_cntl2 =        0x0003ffff,
 467         .genlcd_cntl1 =      0x00abf003,        /* 0x00fff003 */
 468         .genlcd_cntl2 =      0x00000003,
 469         .genlcd_cntl3 =      0x000102aa,
 470 };
 471
 472 static struct w100_mode w3220_modes[] = {
 473 {
 474         .xres           = 480,
 475         .yres           = 640,
 476         .left_margin    = 15,
 477         .right_margin   = 16,
 478         .upper_margin   = 8,
 479         .lower_margin   = 7,
 480         .crtc_ss        = 0x00000000,
 481         .crtc_ls        = 0xa1ff01f9,   /* 0x21ff01f9 */
 482         .crtc_gs        = 0xc0000000,   /* 0x40000000 */
 483         .crtc_vpos_gs   = 0x0000028f,
 484         .crtc_ps1_active = 0x00000000,  /* 0x41060010 */
 485         .crtc_rev       = 0,
 486         .crtc_dclk      = 0x80000000,
 487         .crtc_gclk      = 0x040a0104,
 488         .crtc_goe       = 0,
 489         .pll_freq       = 95,
 490         .pixclk_divider = 4,
 491         .pixclk_divider_rotated = 4,
 492         .pixclk_src     = CLK_SRC_PLL,
 493         .sysclk_divider = 0,
 494         .sysclk_src     = CLK_SRC_PLL,
 495 },
 496 {
 497         .xres           = 240,
 498         .yres           = 320,
 499         .left_margin    = 9,
 500         .right_margin   = 8,
 501         .upper_margin   = 5,
 502         .lower_margin   = 4,
 503         .crtc_ss        = 0x80150014,
 504         .crtc_ls        = 0xa0fb00f7,
 505         .crtc_gs        = 0xc0080007,
 506         .crtc_vpos_gs   = 0x00080007,
 507         .crtc_rev       = 0x0000000a,
 508         .crtc_dclk      = 0x81700030,
 509         .crtc_gclk      = 0x8015010f,
 510         .crtc_goe       = 0x00000000,
 511         .pll_freq       = 95,
 512         .pixclk_divider = 4,
 513         .pixclk_divider_rotated = 4,
 514         .pixclk_src     = CLK_SRC_PLL,
 515         .sysclk_divider = 0,
 516         .sysclk_src     = CLK_SRC_PLL,
 517 },
 518 };
 519
 520 struct w100_mem_info w3220_mem_info = {
 521         .ext_cntl        = 0x09640011,
 522         .sdram_mode_reg  = 0x00600021,
 523         .ext_timing_cntl = 0x1a001545,  /* 0x15001545 */
 524         .io_cntl         = 0x7ddd7333,
 525         .size            = 0x1fffff,
 526 };
 527
 528 struct w100_bm_mem_info w3220_bm_mem_info = {
 529         .ext_mem_bw = 0x50413e01,
 530         .offset = 0,
 531         .ext_timing_ctl = 0x00043f7f,
 532         .ext_cntl = 0x00000010,
 533         .mode_reg = 0x00250000,
 534         .io_cntl = 0x0fff0000,
 535         .config = 0x08301480,
 536 };
 537
 538 static struct w100_gpio_regs w3220_gpio_info = {
 539         .init_data1 = 0xdfe00100,       /* GPIO_DATA */
 540         .gpio_dir1  = 0xffff0000,       /* GPIO_CNTL1 */
 541         .gpio_oe1   = 0x00000000,       /* GPIO_CNTL2 */
 542         .init_data2 = 0x00000000,       /* GPIO_DATA2 */
 543         .gpio_dir2  = 0x00000000,       /* GPIO_CNTL3 */
 544         .gpio_oe2   = 0x00000000,       /* GPIO_CNTL4 */
 545 };
 546
 547 static struct w100fb_mach_info w3220_info = {
 548         .tg        = &w3220_tg_info,
 549         .mem       = &w3220_mem_info,
 550         .bm_mem    = &w3220_bm_mem_info,
 551         .gpio      = &w3220_gpio_info,
 552         .regs      = &w3220_regs,
 553         .modelist  = w3220_modes,
 554         .num_modes = 2,
 555         .xtal_freq = 16000000,
 556 };
 557
 558 static struct resource w3220_resources[] = {
 559         [0] = {
 560                 .start  = ATI_W3220_PHYS,
 561                 .end    = ATI_W3220_PHYS + 0x00ffffff,
 562                 .flags  = IORESOURCE_MEM,
 563         },
 564 };
 565
 566 static struct platform_device w3220 = {
 567         .name   = "w100fb",
 568         .id     = -1,
 569         .dev    = {
 570                 .platform_data = &w3220_info,
 571         },
 572         .num_resources = ARRAY_SIZE(w3220_resources),
 573         .resource      = w3220_resources,
 574 };
 575
 576 /*
 577  * Backlight
 578  */
 579
 580 static struct platform_pwm_backlight_data backlight_data = {
 581         .pwm_id         = 1,
 582         .max_brightness = 200,
 583         .dft_brightness = 100,
 584         .pwm_period_ns  = 30923,
 585 };
 586
 587 static struct platform_device backlight = {
 588         .name = "pwm-backlight",
 589         .id   = -1,
 590         .dev  = {
 591                 .parent        = &pxa27x_device_pwm1.dev,
 592                 .platform_data = &backlight_data,
 593         },
 594 };
 595
 596 /*
 597  * USB "Transceiver"
 598  */
 599
 600 static struct gpio_vbus_mach_info gpio_vbus_info = {
 601         .gpio_pullup        = GPIO76_HX4700_USBC_PUEN,
 602         .gpio_vbus          = GPIOD14_nUSBC_DETECT,
 603         .gpio_vbus_inverted = 1,
 604 };
 605
 606 static struct platform_device gpio_vbus = {
 607         .name          = "gpio-vbus",
 608         .id            = -1,
 609         .dev = {
 610                 .platform_data = &gpio_vbus_info,
 611         },
 612 };
 613
 614 /*
 615  * Touchscreen - TSC2046 connected to SSP2
 616  */
 617
 618 static const struct ads7846_platform_data tsc2046_info = {
 619         .model            = 7846,
 620         .vref_delay_usecs = 100,
 621         .pressure_max     = 512,
 622         .debounce_max     = 10,
 623         .debounce_tol     = 3,
 624         .debounce_rep     = 1,
 625         .gpio_pendown     = GPIO58_HX4700_TSC2046_nPENIRQ,
 626 };
 627
 628 static struct pxa2xx_spi_chip tsc2046_chip = {
 629         .tx_threshold = 1,
 630         .rx_threshold = 2,
 631         .timeout      = 64,
 632         .gpio_cs      = GPIO88_HX4700_TSC2046_CS,
 633 };
 634
 635 static struct spi_board_info tsc2046_board_info[] __initdata = {
 636         {
 637                 .modalias        = "ads7846",
 638                 .bus_num         = 2,
 639                 .max_speed_hz    = 2600000, /* 100 kHz sample rate */
 640                 .irq             = gpio_to_irq(GPIO58_HX4700_TSC2046_nPENIRQ),
 641                 .platform_data   = &tsc2046_info,
 642                 .controller_data = &tsc2046_chip,
 643         },
 644 };
 645
 646 static struct pxa2xx_spi_master pxa_ssp2_master_info = {
 647         .num_chipselect = 1,
 648         .clock_enable   = CKEN_SSP2,
 649         .enable_dma     = 1,
 650 };
 651
 652 /*
 653  * External power
 654  */
 655
 656 static int power_supply_init(struct device *dev)
 657 {
 658         return gpio_request(GPIOD9_nAC_IN, "AC charger detect");
 659 }
 660
 661 static int hx4700_is_ac_online(void)
 662 {
 663         return !gpio_get_value(GPIOD9_nAC_IN);
 664 }
 665
 666 static void power_supply_exit(struct device *dev)
 667 {
 668         gpio_free(GPIOD9_nAC_IN);
 669 }
 670
 671 static char *hx4700_supplicants[] = {
 672         "ds2760-battery.0", "backup-battery"
 673 };
 674
 675 static struct pda_power_pdata power_supply_info = {
 676         .init            = power_supply_init,
 677         .is_ac_online    = hx4700_is_ac_online,
 678         .exit            = power_supply_exit,
 679         .supplied_to     = hx4700_supplicants,
 680         .num_supplicants = ARRAY_SIZE(hx4700_supplicants),
 681 };
 682
 683 static struct resource power_supply_resources[] = {
 684         [0] = {
 685                 .name  = "ac",
 686                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
 687                          IORESOURCE_IRQ_LOWEDGE,
 688                 .start = gpio_to_irq(GPIOD9_nAC_IN),
 689                 .end   = gpio_to_irq(GPIOD9_nAC_IN),
 690         },
 691         [1] = {
 692                 .name  = "usb",
 693                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
 694                          IORESOURCE_IRQ_LOWEDGE,
 695                 .start = gpio_to_irq(GPIOD14_nUSBC_DETECT),
 696                 .end   = gpio_to_irq(GPIOD14_nUSBC_DETECT),
 697         },
 698 };
 699
 700 static struct platform_device power_supply = {
 701         .name = "pda-power",
 702         .id   = -1,
 703         .dev  = {
 704                 .platform_data = &power_supply_info,
 705         },
 706         .resource      = power_supply_resources,
 707         .num_resources = ARRAY_SIZE(power_supply_resources),
 708 };
 709
 710 /*
 711  * Battery charger
 712  */
 713
 714 static struct regulator_consumer_supply bq24022_consumers[] = {
 715         {
 716                 .dev = &gpio_vbus.dev,
 717                 .supply = "vbus_draw",
 718         },
 719         {
 720                 .dev = &power_supply.dev,
 721                 .supply = "ac_draw",
 722         },
 723 };
 724
 725 static struct regulator_init_data bq24022_init_data = {
 726         .constraints = {
 727                 .max_uA         = 500000,
 728                 .valid_ops_mask = REGULATOR_CHANGE_CURRENT,
 729         },
 730         .num_consumer_supplies  = ARRAY_SIZE(bq24022_consumers),
 731         .consumer_supplies      = bq24022_consumers,
 732 };
 733
 734 static struct bq24022_mach_info bq24022_info = {
 735         .gpio_nce   = GPIO72_HX4700_BQ24022_nCHARGE_EN,
 736         .gpio_iset2 = GPIO96_HX4700_BQ24022_ISET2,
 737         .init_data  = &bq24022_init_data,
 738 };
 739
 740 static struct platform_device bq24022 = {
 741         .name = "bq24022",
 742         .id   = -1,
 743         .dev  = {
 744                 .platform_data = &bq24022_info,
 745         },
 746 };
 747
 748 /*
 749  * StrataFlash
 750  */
 751
 752 static void hx4700_set_vpp(struct map_info *map, int vpp)
 753 {
 754         gpio_set_value(GPIO91_HX4700_FLASH_VPEN, vpp);
 755 }
 756
 757 static struct resource strataflash_resource = {
 758         .start = PXA_CS0_PHYS,
 759         .end   = PXA_CS0_PHYS + SZ_128M - 1,
 760         .flags = IORESOURCE_MEM,
 761 };
 762
 763 static struct physmap_flash_data strataflash_data = {
 764         .width = 4,
 765         .set_vpp = hx4700_set_vpp,
 766 };
 767
 768 static struct platform_device strataflash = {
 769         .name          = "physmap-flash",
 770         .id            = -1,
 771         .resource      = &strataflash_resource,
 772         .num_resources = 1,
 773         .dev = {
 774                 .platform_data = &strataflash_data,
 775         },
 776 };
 777
 778 /*
 779  * Maxim MAX1587A on PI2C
 780  */
 781
 782 static struct regulator_consumer_supply max1587a_consumer = {
 783         .supply = "vcc_core",
 784 };
 785
 786 static struct regulator_init_data max1587a_v3_info = {
 787         .constraints = {
 788                 .name = "vcc_core range",
 789                 .min_uV =  900000,
 790                 .max_uV = 1705000,
 791                 .always_on = 1,
 792                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 793         },
 794         .num_consumer_supplies = 1,
 795         .consumer_supplies     = &max1587a_consumer,
 796 };
 797
 798 static struct max1586_subdev_data max1587a_subdev = {
 799         .name = "vcc_core",
 800         .id   = MAX1586_V3,
 801         .platform_data = &max1587a_v3_info,
 802 };
 803
 804 static struct max1586_platform_data max1587a_info = {
 805         .num_subdevs = 1,
 806         .subdevs     = &max1587a_subdev,
 807         .v3_gain     = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
 808 };
 809
 810 static struct i2c_board_info __initdata pi2c_board_info[] = {
 811         {
 812                 I2C_BOARD_INFO("max1586", 0x14),
 813                 .platform_data = &max1587a_info,
 814         },
 815 };
 816
 817 /*
 818  * PCMCIA
 819  */
 820
 821 static struct platform_device pcmcia = {
 822         .name = "hx4700-pcmcia",
 823         .dev  = {
 824                 .parent = &asic3.dev,
 825         },
 826 };
 827
 828 /*
 829  * Platform devices
 830  */
 831
 832 static struct platform_device *devices[] __initdata = {
 833         &asic3,
 834         &gpio_keys,
 835         &backlight,
 836         &w3220,
 837         &egpio,
 838         &bq24022,
 839         &gpio_vbus,
 840         &power_supply,
 841         &strataflash,
 842         &pcmcia,
 843 };
 844
 845 static struct gpio_ress global_gpios[] = {
 846         HX4700_GPIO_IN(GPIO12_HX4700_ASIC3_IRQ, "ASIC3_IRQ"),
 847         HX4700_GPIO_IN(GPIO13_HX4700_W3220_IRQ, "W3220_IRQ"),
 848         HX4700_GPIO_IN(GPIO14_HX4700_nWLAN_IRQ, "WLAN_IRQ"),
 849         HX4700_GPIO_OUT(GPIO59_HX4700_LCD_PC1,          1, "LCD_PC1"),
 850         HX4700_GPIO_OUT(GPIO62_HX4700_LCD_nRESET,       1, "LCD_RESET"),
 851         HX4700_GPIO_OUT(GPIO70_HX4700_LCD_SLIN1,        1, "LCD_SLIN1"),
 852         HX4700_GPIO_OUT(GPIO84_HX4700_LCD_SQN,          1, "LCD_SQN"),
 853         HX4700_GPIO_OUT(GPIO110_HX4700_LCD_LVDD_3V3_ON, 1, "LCD_LVDD"),
 854         HX4700_GPIO_OUT(GPIO111_HX4700_LCD_AVDD_3V3_ON, 1, "LCD_AVDD"),
 855         HX4700_GPIO_OUT(GPIO32_HX4700_RS232_ON,         1, "RS232_ON"),
 856         HX4700_GPIO_OUT(GPIO71_HX4700_ASIC3_nRESET,     1, "ASIC3_nRESET"),
 857         HX4700_GPIO_OUT(GPIO82_HX4700_EUART_RESET,      1, "EUART_RESET"),
 858         HX4700_GPIO_OUT(GPIO105_HX4700_nIR_ON,          1, "nIR_EN"),
 859 };
 860
 861 static void __init hx4700_init(void)
 862 {
 863         pxa2xx_mfp_config(ARRAY_AND_SIZE(hx4700_pin_config));
 864         hx4700_gpio_request(ARRAY_AND_SIZE(global_gpios));
 865
 866         platform_add_devices(devices, ARRAY_SIZE(devices));
 867
 868         pxa_set_ficp_info(&ficp_info);
 869         pxa27x_set_i2c_power_info(NULL);
 870         pxa_set_i2c_info(NULL);
 871         i2c_register_board_info(1, ARRAY_AND_SIZE(pi2c_board_info));
 872         pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
 873         spi_register_board_info(ARRAY_AND_SIZE(tsc2046_board_info));
 874
 875         hx4700_lcd_device = lcd_device_register("w100fb", NULL,
 876                                         (void *)&w3220_info, &hx4700_lcd_ops);
 877
 878         gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 0);
 879         mdelay(10);
 880         gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 1);
 881         mdelay(10);
 882 }
 883
 884 MACHINE_START(H4700, "HP iPAQ HX4700")
 885         .phys_io      = 0x40000000,
 886         .io_pg_offst  = (io_p2v(0x40000000) >> 18) & 0xfffc,
 887         .boot_params  = 0xa0000100,
 888         .map_io       = pxa_map_io,
 889         .init_irq     = pxa27x_init_irq,
 890         .init_machine = hx4700_init,
 891         .timer        = &pxa_timer,
 892 MACHINE_END