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/driver.h>
  32 #include <linux/regulator/gpio-regulator.h>
  33 #include <linux/regulator/machine.h>
  34 #include <linux/regulator/max1586.h>
  35 #include <linux/spi/ads7846.h>
  36 #include <linux/spi/spi.h>
  37 #include <linux/spi/pxa2xx_spi.h>
  38 #include <linux/usb/gpio_vbus.h>
  39 #include <linux/i2c/pxa-i2c.h>
  40
  41 #include <mach/hardware.h>
  42 #include <asm/mach-types.h>
  43 #include <asm/mach/arch.h>
  44
  45 #include <mach/pxa27x.h>
  46 #include <mach/hx4700.h>
  47 #include <mach/irda.h>
  48
  49 #include <sound/ak4641.h>
  50 #include <video/platform_lcd.h>
  51 #include <video/w100fb.h>
  52
  53 #include "devices.h"
  54 #include "generic.h"
  55
  56 /* Physical address space information */
  57
  58 #define ATI_W3220_PHYS  PXA_CS2_PHYS /* ATI Imageon 3220 Graphics */
  59 #define ASIC3_PHYS      PXA_CS3_PHYS
  60 #define ASIC3_SD_PHYS   (PXA_CS3_PHYS + 0x02000000)
  61
  62 static unsigned long hx4700_pin_config[] __initdata = {
  63
  64         /* SDRAM and Static Memory I/O Signals */
  65         GPIO20_nSDCS_2,
  66         GPIO21_nSDCS_3,
  67         GPIO15_nCS_1,
  68         GPIO78_nCS_2,   /* W3220 */
  69         GPIO79_nCS_3,   /* ASIC3 */
  70         GPIO80_nCS_4,
  71         GPIO33_nCS_5,   /* EGPIO, WLAN */
  72
  73         /* PC CARD */
  74         GPIO48_nPOE,
  75         GPIO49_nPWE,
  76         GPIO50_nPIOR,
  77         GPIO51_nPIOW,
  78         GPIO54_nPCE_2,
  79         GPIO55_nPREG,
  80         GPIO56_nPWAIT,
  81         GPIO57_nIOIS16,
  82         GPIO85_nPCE_1,
  83         GPIO104_PSKTSEL,
  84
  85         /* I2C */
  86         GPIO117_I2C_SCL,
  87         GPIO118_I2C_SDA,
  88
  89         /* FFUART (RS-232) */
  90         GPIO34_FFUART_RXD,
  91         GPIO35_FFUART_CTS,
  92         GPIO36_FFUART_DCD,
  93         GPIO37_FFUART_DSR,
  94         GPIO38_FFUART_RI,
  95         GPIO39_FFUART_TXD,
  96         GPIO40_FFUART_DTR,
  97         GPIO41_FFUART_RTS,
  98
  99         /* BTUART */
 100         GPIO42_BTUART_RXD,
 101         GPIO43_BTUART_TXD_LPM_LOW,
 102         GPIO44_BTUART_CTS,
 103         GPIO45_BTUART_RTS_LPM_LOW,
 104
 105         /* STUART (IRDA) */
 106         GPIO46_STUART_RXD,
 107         GPIO47_STUART_TXD,
 108
 109         /* PWM 1 (Backlight) */
 110         GPIO17_PWM1_OUT,
 111
 112         /* I2S */
 113         GPIO28_I2S_BITCLK_OUT,
 114         GPIO29_I2S_SDATA_IN,
 115         GPIO30_I2S_SDATA_OUT,
 116         GPIO31_I2S_SYNC,
 117         GPIO113_I2S_SYSCLK,
 118
 119         /* SSP 1 (NavPoint) */
 120         GPIO23_SSP1_SCLK,
 121         GPIO24_SSP1_SFRM,
 122         GPIO25_SSP1_TXD,
 123         GPIO26_SSP1_RXD,
 124
 125         /* SSP 2 (TSC2046) */
 126         GPIO19_SSP2_SCLK,
 127         GPIO86_SSP2_RXD,
 128         GPIO87_SSP2_TXD,
 129         GPIO88_GPIO,
 130
 131         /* HX4700 specific input GPIOs */
 132         GPIO12_GPIO | WAKEUP_ON_EDGE_RISE,      /* ASIC3_IRQ */
 133         GPIO13_GPIO,    /* W3220_IRQ */
 134         GPIO14_GPIO,    /* nWLAN_IRQ */
 135
 136         GPIO10_GPIO,    /* GSM_IRQ */
 137         GPIO13_GPIO,    /* CPLD_IRQ */
 138         GPIO107_GPIO,   /* DS1WM_IRQ */
 139         GPIO108_GPIO,   /* GSM_READY */
 140         GPIO58_GPIO,    /* TSC2046_nPENIRQ */
 141         GPIO66_GPIO,    /* nSDIO_IRQ */
 142 };
 143
 144 /*
 145  * IRDA
 146  */
 147
 148 static struct pxaficp_platform_data ficp_info = {
 149         .gpio_pwdown            = GPIO105_HX4700_nIR_ON,
 150         .transceiver_cap        = IR_SIRMODE | IR_OFF,
 151 };
 152
 153 /*
 154  * GPIO Keys
 155  */
 156
 157 #define INIT_KEY(_code, _gpio, _active_low, _desc)      \
 158         {                                               \
 159                 .code       = KEY_##_code,              \
 160                 .gpio       = _gpio,                    \
 161                 .active_low = _active_low,              \
 162                 .desc       = _desc,                    \
 163                 .type       = EV_KEY,                   \
 164                 .wakeup     = 1,                        \
 165         }
 166
 167 static struct gpio_keys_button gpio_keys_buttons[] = {
 168         INIT_KEY(POWER,       GPIO0_HX4700_nKEY_POWER,   1, "Power button"),
 169         INIT_KEY(MAIL,        GPIO94_HX4700_KEY_MAIL,    0, "Mail button"),
 170         INIT_KEY(ADDRESSBOOK, GPIO99_HX4700_KEY_CONTACTS,0, "Contacts button"),
 171         INIT_KEY(RECORD,      GPIOD6_nKEY_RECORD,        1, "Record button"),
 172         INIT_KEY(CALENDAR,    GPIOD1_nKEY_CALENDAR,      1, "Calendar button"),
 173         INIT_KEY(HOMEPAGE,    GPIOD3_nKEY_HOME,          1, "Home button"),
 174 };
 175
 176 static struct gpio_keys_platform_data gpio_keys_data = {
 177         .buttons = gpio_keys_buttons,
 178         .nbuttons = ARRAY_SIZE(gpio_keys_buttons),
 179 };
 180
 181 static struct platform_device gpio_keys = {
 182         .name = "gpio-keys",
 183         .dev  = {
 184                 .platform_data = &gpio_keys_data,
 185         },
 186         .id   = -1,
 187 };
 188
 189 /*
 190  * ASIC3
 191  */
 192
 193 static u16 asic3_gpio_config[] = {
 194         /* ASIC3 GPIO banks A and B along with some of C and D
 195            implement the buffering for the CF slot. */
 196         ASIC3_CONFIG_GPIO(0, 1, 1, 0),
 197         ASIC3_CONFIG_GPIO(1, 1, 1, 0),
 198         ASIC3_CONFIG_GPIO(2, 1, 1, 0),
 199         ASIC3_CONFIG_GPIO(3, 1, 1, 0),
 200         ASIC3_CONFIG_GPIO(4, 1, 1, 0),
 201         ASIC3_CONFIG_GPIO(5, 1, 1, 0),
 202         ASIC3_CONFIG_GPIO(6, 1, 1, 0),
 203         ASIC3_CONFIG_GPIO(7, 1, 1, 0),
 204         ASIC3_CONFIG_GPIO(8, 1, 1, 0),
 205         ASIC3_CONFIG_GPIO(9, 1, 1, 0),
 206         ASIC3_CONFIG_GPIO(10, 1, 1, 0),
 207         ASIC3_CONFIG_GPIO(11, 1, 1, 0),
 208         ASIC3_CONFIG_GPIO(12, 1, 1, 0),
 209         ASIC3_CONFIG_GPIO(13, 1, 1, 0),
 210         ASIC3_CONFIG_GPIO(14, 1, 1, 0),
 211         ASIC3_CONFIG_GPIO(15, 1, 1, 0),
 212
 213         ASIC3_CONFIG_GPIO(16, 1, 1, 0),
 214         ASIC3_CONFIG_GPIO(17, 1, 1, 0),
 215         ASIC3_CONFIG_GPIO(18, 1, 1, 0),
 216         ASIC3_CONFIG_GPIO(19, 1, 1, 0),
 217         ASIC3_CONFIG_GPIO(20, 1, 1, 0),
 218         ASIC3_CONFIG_GPIO(21, 1, 1, 0),
 219         ASIC3_CONFIG_GPIO(22, 1, 1, 0),
 220         ASIC3_CONFIG_GPIO(23, 1, 1, 0),
 221         ASIC3_CONFIG_GPIO(24, 1, 1, 0),
 222         ASIC3_CONFIG_GPIO(25, 1, 1, 0),
 223         ASIC3_CONFIG_GPIO(26, 1, 1, 0),
 224         ASIC3_CONFIG_GPIO(27, 1, 1, 0),
 225         ASIC3_CONFIG_GPIO(28, 1, 1, 0),
 226         ASIC3_CONFIG_GPIO(29, 1, 1, 0),
 227         ASIC3_CONFIG_GPIO(30, 1, 1, 0),
 228         ASIC3_CONFIG_GPIO(31, 1, 1, 0),
 229
 230         /* GPIOC - CF, LEDs, SD */
 231         ASIC3_GPIOC0_LED0,              /* red */
 232         ASIC3_GPIOC1_LED1,              /* green */
 233         ASIC3_GPIOC2_LED2,              /* blue */
 234         ASIC3_GPIOC5_nCIOW,
 235         ASIC3_GPIOC6_nCIOR,
 236         ASIC3_GPIOC7_nPCE_1,
 237         ASIC3_GPIOC8_nPCE_2,
 238         ASIC3_GPIOC9_nPOE,
 239         ASIC3_GPIOC10_nPWE,
 240         ASIC3_GPIOC11_PSKTSEL,
 241         ASIC3_GPIOC12_nPREG,
 242         ASIC3_GPIOC13_nPWAIT,
 243         ASIC3_GPIOC14_nPIOIS16,
 244         ASIC3_GPIOC15_nPIOR,
 245
 246         /* GPIOD: input GPIOs, CF */
 247         ASIC3_GPIOD4_CF_nCD,
 248         ASIC3_GPIOD11_nCIOIS16,
 249         ASIC3_GPIOD12_nCWAIT,
 250         ASIC3_GPIOD15_nPIOW,
 251 };
 252
 253 static struct asic3_led asic3_leds[ASIC3_NUM_LEDS] = {
 254         [0] = {
 255                 .name = "hx4700:amber",
 256                 .default_trigger = "ds2760-battery.0-charging-blink-full-solid",
 257         },
 258         [1] = {
 259                 .name = "hx4700:green",
 260                 .default_trigger = "unused",
 261         },
 262         [2] = {
 263                 .name = "hx4700:blue",
 264                 .default_trigger = "hx4700-radio",
 265         },
 266 };
 267
 268 static struct resource asic3_resources[] = {
 269         /* GPIO part */
 270         [0] = {
 271                 .start  = ASIC3_PHYS,
 272                 .end    = ASIC3_PHYS + ASIC3_MAP_SIZE_16BIT - 1,
 273                 .flags  = IORESOURCE_MEM,
 274         },
 275         [1] = {
 276                 .start  = PXA_GPIO_TO_IRQ(GPIO12_HX4700_ASIC3_IRQ),
 277                 .end    = PXA_GPIO_TO_IRQ(GPIO12_HX4700_ASIC3_IRQ),
 278                 .flags  = IORESOURCE_IRQ,
 279         },
 280         /* SD part */
 281         [2] = {
 282                 .start  = ASIC3_SD_PHYS,
 283                 .end    = ASIC3_SD_PHYS + ASIC3_MAP_SIZE_16BIT - 1,
 284                 .flags  = IORESOURCE_MEM,
 285         },
 286         [3] = {
 287                 .start  = PXA_GPIO_TO_IRQ(GPIO66_HX4700_ASIC3_nSDIO_IRQ),
 288                 .end    = PXA_GPIO_TO_IRQ(GPIO66_HX4700_ASIC3_nSDIO_IRQ),
 289                 .flags  = IORESOURCE_IRQ,
 290         },
 291 };
 292
 293 static struct asic3_platform_data asic3_platform_data = {
 294         .gpio_config     = asic3_gpio_config,
 295         .gpio_config_num = ARRAY_SIZE(asic3_gpio_config),
 296         .irq_base        = IRQ_BOARD_START,
 297         .gpio_base       = HX4700_ASIC3_GPIO_BASE,
 298         .clock_rate      = 4000000,
 299         .leds            = asic3_leds,
 300 };
 301
 302 static struct platform_device asic3 = {
 303         .name          = "asic3",
 304         .id            = -1,
 305         .resource      = asic3_resources,
 306         .num_resources = ARRAY_SIZE(asic3_resources),
 307         .dev = {
 308                 .platform_data = &asic3_platform_data,
 309         },
 310 };
 311
 312 /*
 313  * EGPIO
 314  */
 315
 316 static struct resource egpio_resources[] = {
 317         [0] = {
 318                 .start = PXA_CS5_PHYS,
 319                 .end   = PXA_CS5_PHYS + 0x4 - 1,
 320                 .flags = IORESOURCE_MEM,
 321         },
 322 };
 323
 324 static struct htc_egpio_chip egpio_chips[] = {
 325         [0] = {
 326                 .reg_start = 0,
 327                 .gpio_base = HX4700_EGPIO_BASE,
 328                 .num_gpios = 8,
 329                 .direction = HTC_EGPIO_OUTPUT,
 330         },
 331 };
 332
 333 static struct htc_egpio_platform_data egpio_info = {
 334         .reg_width = 16,
 335         .bus_width = 16,
 336         .chip      = egpio_chips,
 337         .num_chips = ARRAY_SIZE(egpio_chips),
 338 };
 339
 340 static struct platform_device egpio = {
 341         .name          = "htc-egpio",
 342         .id            = -1,
 343         .resource      = egpio_resources,
 344         .num_resources = ARRAY_SIZE(egpio_resources),
 345         .dev = {
 346                 .platform_data = &egpio_info,
 347         },
 348 };
 349
 350 /*
 351  * LCD - Sony display connected to ATI Imageon w3220
 352  */
 353
 354 static void sony_lcd_init(void)
 355 {
 356         gpio_set_value(GPIO84_HX4700_LCD_SQN, 1);
 357         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
 358         gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
 359         gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 0);
 360         gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
 361         mdelay(10);
 362         gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
 363         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
 364         mdelay(20);
 365
 366         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 1);
 367         mdelay(5);
 368         gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 1);
 369
 370         /* FIXME: init w3220 registers here */
 371
 372         mdelay(5);
 373         gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 1);
 374         mdelay(10);
 375         gpio_set_value(GPIO62_HX4700_LCD_nRESET, 1);
 376         mdelay(10);
 377         gpio_set_value(GPIO59_HX4700_LCD_PC1, 1);
 378         mdelay(10);
 379         gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 1);
 380 }
 381
 382 static void sony_lcd_off(void)
 383 {
 384         gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
 385         gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
 386         mdelay(10);
 387         gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 0);
 388         mdelay(10);
 389         gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
 390         mdelay(10);
 391         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
 392 }
 393
 394 #ifdef CONFIG_PM
 395 static void w3220_lcd_suspend(struct w100fb_par *wfb)
 396 {
 397         sony_lcd_off();
 398 }
 399
 400 static void w3220_lcd_resume(struct w100fb_par *wfb)
 401 {
 402         sony_lcd_init();
 403 }
 404 #else
 405 #define w3220_lcd_resume        NULL
 406 #define w3220_lcd_suspend       NULL
 407 #endif
 408
 409 static struct w100_tg_info w3220_tg_info = {
 410         .suspend        = w3220_lcd_suspend,
 411         .resume         = w3220_lcd_resume,
 412 };
 413
 414 /*                               W3220_VGA              QVGA */
 415 static struct w100_gen_regs w3220_regs = {
 416         .lcd_format =        0x00000003,
 417         .lcdd_cntl1 =        0x00000000,
 418         .lcdd_cntl2 =        0x0003ffff,
 419         .genlcd_cntl1 =      0x00abf003,        /* 0x00fff003 */
 420         .genlcd_cntl2 =      0x00000003,
 421         .genlcd_cntl3 =      0x000102aa,
 422 };
 423
 424 static struct w100_mode w3220_modes[] = {
 425 {
 426         .xres           = 480,
 427         .yres           = 640,
 428         .left_margin    = 15,
 429         .right_margin   = 16,
 430         .upper_margin   = 8,
 431         .lower_margin   = 7,
 432         .crtc_ss        = 0x00000000,
 433         .crtc_ls        = 0xa1ff01f9,   /* 0x21ff01f9 */
 434         .crtc_gs        = 0xc0000000,   /* 0x40000000 */
 435         .crtc_vpos_gs   = 0x0000028f,
 436         .crtc_ps1_active = 0x00000000,  /* 0x41060010 */
 437         .crtc_rev       = 0,
 438         .crtc_dclk      = 0x80000000,
 439         .crtc_gclk      = 0x040a0104,
 440         .crtc_goe       = 0,
 441         .pll_freq       = 95,
 442         .pixclk_divider = 4,
 443         .pixclk_divider_rotated = 4,
 444         .pixclk_src     = CLK_SRC_PLL,
 445         .sysclk_divider = 0,
 446         .sysclk_src     = CLK_SRC_PLL,
 447 },
 448 {
 449         .xres           = 240,
 450         .yres           = 320,
 451         .left_margin    = 9,
 452         .right_margin   = 8,
 453         .upper_margin   = 5,
 454         .lower_margin   = 4,
 455         .crtc_ss        = 0x80150014,
 456         .crtc_ls        = 0xa0fb00f7,
 457         .crtc_gs        = 0xc0080007,
 458         .crtc_vpos_gs   = 0x00080007,
 459         .crtc_rev       = 0x0000000a,
 460         .crtc_dclk      = 0x81700030,
 461         .crtc_gclk      = 0x8015010f,
 462         .crtc_goe       = 0x00000000,
 463         .pll_freq       = 95,
 464         .pixclk_divider = 4,
 465         .pixclk_divider_rotated = 4,
 466         .pixclk_src     = CLK_SRC_PLL,
 467         .sysclk_divider = 0,
 468         .sysclk_src     = CLK_SRC_PLL,
 469 },
 470 };
 471
 472 struct w100_mem_info w3220_mem_info = {
 473         .ext_cntl        = 0x09640011,
 474         .sdram_mode_reg  = 0x00600021,
 475         .ext_timing_cntl = 0x1a001545,  /* 0x15001545 */
 476         .io_cntl         = 0x7ddd7333,
 477         .size            = 0x1fffff,
 478 };
 479
 480 struct w100_bm_mem_info w3220_bm_mem_info = {
 481         .ext_mem_bw = 0x50413e01,
 482         .offset = 0,
 483         .ext_timing_ctl = 0x00043f7f,
 484         .ext_cntl = 0x00000010,
 485         .mode_reg = 0x00250000,
 486         .io_cntl = 0x0fff0000,
 487         .config = 0x08301480,
 488 };
 489
 490 static struct w100_gpio_regs w3220_gpio_info = {
 491         .init_data1 = 0xdfe00100,       /* GPIO_DATA */
 492         .gpio_dir1  = 0xffff0000,       /* GPIO_CNTL1 */
 493         .gpio_oe1   = 0x00000000,       /* GPIO_CNTL2 */
 494         .init_data2 = 0x00000000,       /* GPIO_DATA2 */
 495         .gpio_dir2  = 0x00000000,       /* GPIO_CNTL3 */
 496         .gpio_oe2   = 0x00000000,       /* GPIO_CNTL4 */
 497 };
 498
 499 static struct w100fb_mach_info w3220_info = {
 500         .tg        = &w3220_tg_info,
 501         .mem       = &w3220_mem_info,
 502         .bm_mem    = &w3220_bm_mem_info,
 503         .gpio      = &w3220_gpio_info,
 504         .regs      = &w3220_regs,
 505         .modelist  = w3220_modes,
 506         .num_modes = 2,
 507         .xtal_freq = 16000000,
 508 };
 509
 510 static struct resource w3220_resources[] = {
 511         [0] = {
 512                 .start  = ATI_W3220_PHYS,
 513                 .end    = ATI_W3220_PHYS + 0x00ffffff,
 514                 .flags  = IORESOURCE_MEM,
 515         },
 516 };
 517
 518 static struct platform_device w3220 = {
 519         .name   = "w100fb",
 520         .id     = -1,
 521         .dev    = {
 522                 .platform_data = &w3220_info,
 523         },
 524         .num_resources = ARRAY_SIZE(w3220_resources),
 525         .resource      = w3220_resources,
 526 };
 527
 528 static void hx4700_lcd_set_power(struct plat_lcd_data *pd, unsigned int power)
 529 {
 530         if (power)
 531                 sony_lcd_init();
 532         else
 533                 sony_lcd_off();
 534 }
 535
 536 static struct plat_lcd_data hx4700_lcd_data = {
 537         .set_power = hx4700_lcd_set_power,
 538 };
 539
 540 static struct platform_device hx4700_lcd = {
 541         .name = "platform-lcd",
 542         .id   = -1,
 543         .dev  = {
 544                 .platform_data = &hx4700_lcd_data,
 545                 .parent        = &w3220.dev,
 546         },
 547 };
 548
 549 /*
 550  * Backlight
 551  */
 552
 553 static struct platform_pwm_backlight_data backlight_data = {
 554         .pwm_id         = 1,
 555         .max_brightness = 200,
 556         .dft_brightness = 100,
 557         .pwm_period_ns  = 30923,
 558 };
 559
 560 static struct platform_device backlight = {
 561         .name = "pwm-backlight",
 562         .id   = -1,
 563         .dev  = {
 564                 .parent        = &pxa27x_device_pwm1.dev,
 565                 .platform_data = &backlight_data,
 566         },
 567 };
 568
 569 /*
 570  * USB "Transceiver"
 571  */
 572
 573 static struct gpio_vbus_mach_info gpio_vbus_info = {
 574         .gpio_pullup        = GPIO76_HX4700_USBC_PUEN,
 575         .gpio_vbus          = GPIOD14_nUSBC_DETECT,
 576         .gpio_vbus_inverted = 1,
 577 };
 578
 579 static struct platform_device gpio_vbus = {
 580         .name          = "gpio-vbus",
 581         .id            = -1,
 582         .dev = {
 583                 .platform_data = &gpio_vbus_info,
 584         },
 585 };
 586
 587 /*
 588  * Touchscreen - TSC2046 connected to SSP2
 589  */
 590
 591 static const struct ads7846_platform_data tsc2046_info = {
 592         .model            = 7846,
 593         .vref_delay_usecs = 100,
 594         .pressure_max     = 1024,
 595         .debounce_max     = 10,
 596         .debounce_tol     = 3,
 597         .debounce_rep     = 1,
 598         .gpio_pendown     = GPIO58_HX4700_TSC2046_nPENIRQ,
 599 };
 600
 601 static struct pxa2xx_spi_chip tsc2046_chip = {
 602         .tx_threshold = 1,
 603         .rx_threshold = 2,
 604         .timeout      = 64,
 605         .gpio_cs      = GPIO88_HX4700_TSC2046_CS,
 606 };
 607
 608 static struct spi_board_info tsc2046_board_info[] __initdata = {
 609         {
 610                 .modalias        = "ads7846",
 611                 .bus_num         = 2,
 612                 .max_speed_hz    = 2600000, /* 100 kHz sample rate */
 613                 .irq             = PXA_GPIO_TO_IRQ(GPIO58_HX4700_TSC2046_nPENIRQ),
 614                 .platform_data   = &tsc2046_info,
 615                 .controller_data = &tsc2046_chip,
 616         },
 617 };
 618
 619 static struct pxa2xx_spi_master pxa_ssp2_master_info = {
 620         .num_chipselect = 1,
 621         .clock_enable   = CKEN_SSP2,
 622         .enable_dma     = 1,
 623 };
 624
 625 /*
 626  * External power
 627  */
 628
 629 static int power_supply_init(struct device *dev)
 630 {
 631         return gpio_request(GPIOD9_nAC_IN, "AC charger detect");
 632 }
 633
 634 static int hx4700_is_ac_online(void)
 635 {
 636         return !gpio_get_value(GPIOD9_nAC_IN);
 637 }
 638
 639 static void power_supply_exit(struct device *dev)
 640 {
 641         gpio_free(GPIOD9_nAC_IN);
 642 }
 643
 644 static char *hx4700_supplicants[] = {
 645         "ds2760-battery.0", "backup-battery"
 646 };
 647
 648 static struct pda_power_pdata power_supply_info = {
 649         .init            = power_supply_init,
 650         .is_ac_online    = hx4700_is_ac_online,
 651         .exit            = power_supply_exit,
 652         .supplied_to     = hx4700_supplicants,
 653         .num_supplicants = ARRAY_SIZE(hx4700_supplicants),
 654 };
 655
 656 static struct resource power_supply_resources[] = {
 657         [0] = {
 658                 .name  = "ac",
 659                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
 660                          IORESOURCE_IRQ_LOWEDGE,
 661                 .start = PXA_GPIO_TO_IRQ(GPIOD9_nAC_IN),
 662                 .end   = PXA_GPIO_TO_IRQ(GPIOD9_nAC_IN),
 663         },
 664         [1] = {
 665                 .name  = "usb",
 666                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
 667                          IORESOURCE_IRQ_LOWEDGE,
 668                 .start = PXA_GPIO_TO_IRQ(GPIOD14_nUSBC_DETECT),
 669                 .end   = PXA_GPIO_TO_IRQ(GPIOD14_nUSBC_DETECT),
 670         },
 671 };
 672
 673 static struct platform_device power_supply = {
 674         .name = "pda-power",
 675         .id   = -1,
 676         .dev  = {
 677                 .platform_data = &power_supply_info,
 678         },
 679         .resource      = power_supply_resources,
 680         .num_resources = ARRAY_SIZE(power_supply_resources),
 681 };
 682
 683 /*
 684  * Battery charger
 685  */
 686
 687 static struct regulator_consumer_supply bq24022_consumers[] = {
 688         {
 689                 .supply = "vbus_draw",
 690         },
 691         {
 692                 .supply = "ac_draw",
 693         },
 694 };
 695
 696 static struct regulator_init_data bq24022_init_data = {
 697         .constraints = {
 698                 .max_uA         = 500000,
 699                 .valid_ops_mask = REGULATOR_CHANGE_CURRENT|REGULATOR_CHANGE_STATUS,
 700         },
 701         .num_consumer_supplies  = ARRAY_SIZE(bq24022_consumers),
 702         .consumer_supplies      = bq24022_consumers,
 703 };
 704
 705 static struct gpio bq24022_gpios[] = {
 706         { GPIO96_HX4700_BQ24022_ISET2, GPIOF_OUT_INIT_LOW, "bq24022_iset2" },
 707 };
 708
 709 static struct gpio_regulator_state bq24022_states[] = {
 710         { .value = 100000, .gpios = (0 << 0) },
 711         { .value = 500000, .gpios = (1 << 0) },
 712 };
 713
 714 static struct gpio_regulator_config bq24022_info = {
 715         .supply_name = "bq24022",
 716
 717         .enable_gpio = GPIO72_HX4700_BQ24022_nCHARGE_EN,
 718         .enable_high = 0,
 719         .enabled_at_boot = 0,
 720
 721         .gpios = bq24022_gpios,
 722         .nr_gpios = ARRAY_SIZE(bq24022_gpios),
 723
 724         .states = bq24022_states,
 725         .nr_states = ARRAY_SIZE(bq24022_states),
 726
 727         .type = REGULATOR_CURRENT,
 728         .init_data = &bq24022_init_data,
 729 };
 730
 731 static struct platform_device bq24022 = {
 732         .name = "gpio-regulator",
 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 platform_device *pdev, int vpp)
 744 {
 745         gpio_set_value(GPIO91_HX4700_FLASH_VPEN, vpp);
 746 }
 747
 748 static struct resource strataflash_resource[] = {
 749         [0] = DEFINE_RES_MEM(PXA_CS0_PHYS, SZ_64M),
 750         [1] = DEFINE_RES_MEM(PXA_CS0_PHYS + SZ_64M, SZ_64M),
 751 };
 752
 753 static struct physmap_flash_data strataflash_data = {
 754         .width = 4,
 755         .set_vpp = hx4700_set_vpp,
 756 };
 757
 758 static struct platform_device strataflash = {
 759         .name          = "physmap-flash",
 760         .id            = -1,
 761         .resource      = strataflash_resource,
 762         .num_resources = ARRAY_SIZE(strataflash_resource),
 763         .dev = {
 764                 .platform_data = &strataflash_data,
 765         },
 766 };
 767
 768 /*
 769  * Maxim MAX1587A on PI2C
 770  */
 771
 772 static struct regulator_consumer_supply max1587a_consumer = {
 773         .supply = "vcc_core",
 774 };
 775
 776 static struct regulator_init_data max1587a_v3_info = {
 777         .constraints = {
 778                 .name = "vcc_core range",
 779                 .min_uV =  900000,
 780                 .max_uV = 1705000,
 781                 .always_on = 1,
 782                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 783         },
 784         .num_consumer_supplies = 1,
 785         .consumer_supplies     = &max1587a_consumer,
 786 };
 787
 788 static struct max1586_subdev_data max1587a_subdev = {
 789         .name = "vcc_core",
 790         .id   = MAX1586_V3,
 791         .platform_data = &max1587a_v3_info,
 792 };
 793
 794 static struct max1586_platform_data max1587a_info = {
 795         .num_subdevs = 1,
 796         .subdevs     = &max1587a_subdev,
 797         .v3_gain     = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
 798 };
 799
 800 static struct i2c_board_info __initdata pi2c_board_info[] = {
 801         {
 802                 I2C_BOARD_INFO("max1586", 0x14),
 803                 .platform_data = &max1587a_info,
 804         },
 805 };
 806
 807 /*
 808  * Asahi Kasei AK4641 on I2C
 809  */
 810
 811 static struct ak4641_platform_data ak4641_info = {
 812         .gpio_power = GPIO27_HX4700_CODEC_ON,
 813         .gpio_npdn  = GPIO109_HX4700_CODEC_nPDN,
 814 };
 815
 816 static struct i2c_board_info i2c_board_info[] __initdata = {
 817         {
 818                 I2C_BOARD_INFO("ak4641", 0x12),
 819                 .platform_data = &ak4641_info,
 820         },
 821 };
 822
 823 static struct platform_device audio = {
 824         .name   = "hx4700-audio",
 825         .id     = -1,
 826 };
 827
 828
 829 /*
 830  * Platform devices
 831  */
 832
 833 static struct platform_device *devices[] __initdata = {
 834         &asic3,
 835         &gpio_keys,
 836         &backlight,
 837         &w3220,
 838         &hx4700_lcd,
 839         &egpio,
 840         &bq24022,
 841         &gpio_vbus,
 842         &power_supply,
 843         &strataflash,
 844         &audio,
 845 };
 846
 847 static struct gpio global_gpios[] = {
 848         { GPIO12_HX4700_ASIC3_IRQ, GPIOF_IN, "ASIC3_IRQ" },
 849         { GPIO13_HX4700_W3220_IRQ, GPIOF_IN, "W3220_IRQ" },
 850         { GPIO14_HX4700_nWLAN_IRQ, GPIOF_IN, "WLAN_IRQ" },
 851         { GPIO59_HX4700_LCD_PC1,          GPIOF_OUT_INIT_HIGH, "LCD_PC1" },
 852         { GPIO62_HX4700_LCD_nRESET,       GPIOF_OUT_INIT_HIGH, "LCD_RESET" },
 853         { GPIO70_HX4700_LCD_SLIN1,        GPIOF_OUT_INIT_HIGH, "LCD_SLIN1" },
 854         { GPIO84_HX4700_LCD_SQN,          GPIOF_OUT_INIT_HIGH, "LCD_SQN" },
 855         { GPIO110_HX4700_LCD_LVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_LVDD" },
 856         { GPIO111_HX4700_LCD_AVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_AVDD" },
 857         { GPIO32_HX4700_RS232_ON,         GPIOF_OUT_INIT_HIGH, "RS232_ON" },
 858         { GPIO71_HX4700_ASIC3_nRESET,     GPIOF_OUT_INIT_HIGH, "ASIC3_nRESET" },
 859         { GPIO82_HX4700_EUART_RESET,      GPIOF_OUT_INIT_HIGH, "EUART_RESET" },
 860 };
 861
 862 static void __init hx4700_init(void)
 863 {
 864         int ret;
 865
 866         pxa2xx_mfp_config(ARRAY_AND_SIZE(hx4700_pin_config));
 867         gpio_set_wake(GPIO12_HX4700_ASIC3_IRQ, 1);
 868         ret = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
 869         if (ret)
 870                 pr_err ("hx4700: Failed to request GPIOs.\n");
 871
 872         pxa_set_ffuart_info(NULL);
 873         pxa_set_btuart_info(NULL);
 874         pxa_set_stuart_info(NULL);
 875
 876         platform_add_devices(devices, ARRAY_SIZE(devices));
 877
 878         pxa_set_ficp_info(&ficp_info);
 879         pxa27x_set_i2c_power_info(NULL);
 880         pxa_set_i2c_info(NULL);
 881         i2c_register_board_info(0, ARRAY_AND_SIZE(i2c_board_info));
 882         i2c_register_board_info(1, ARRAY_AND_SIZE(pi2c_board_info));
 883         pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
 884         spi_register_board_info(ARRAY_AND_SIZE(tsc2046_board_info));
 885
 886         gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 0);
 887         mdelay(10);
 888         gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 1);
 889         mdelay(10);
 890 }
 891
 892 MACHINE_START(H4700, "HP iPAQ HX4700")
 893         .atag_offset  = 0x100,
 894         .map_io       = pxa27x_map_io,
 895         .nr_irqs      = HX4700_NR_IRQS,
 896         .init_irq     = pxa27x_init_irq,
 897         .handle_irq     = pxa27x_handle_irq,
 898         .init_machine = hx4700_init,
 899         .timer        = &pxa_timer,
 900         .restart        = pxa_restart,
 901 MACHINE_END