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/input/navpoint.h>
  26 #include <linux/lcd.h>
  27 #include <linux/mfd/htc-egpio.h>
  28 #include <linux/mfd/asic3.h>
  29 #include <linux/mtd/physmap.h>
  30 #include <linux/pda_power.h>
  31 #include <linux/pwm_backlight.h>
  32 #include <linux/regulator/driver.h>
  33 #include <linux/regulator/gpio-regulator.h>
  34 #include <linux/regulator/machine.h>
  35 #include <linux/regulator/max1586.h>
  36 #include <linux/spi/ads7846.h>
  37 #include <linux/spi/spi.h>
  38 #include <linux/spi/pxa2xx_spi.h>
  39 #include <linux/usb/gpio_vbus.h>
  40 #include <linux/i2c/pxa-i2c.h>
  41
  42 #include <mach/hardware.h>
  43 #include <asm/mach-types.h>
  44 #include <asm/mach/arch.h>
  45
  46 #include <mach/pxa27x.h>
  47 #include <mach/hx4700.h>
  48 #include <mach/irda.h>
  49
  50 #include <sound/ak4641.h>
  51 #include <video/platform_lcd.h>
  52 #include <video/w100fb.h>
  53
  54 #include "devices.h"
  55 #include "generic.h"
  56
  57 /* Physical address space information */
  58
  59 #define ATI_W3220_PHYS  PXA_CS2_PHYS /* ATI Imageon 3220 Graphics */
  60 #define ASIC3_PHYS      PXA_CS3_PHYS
  61 #define ASIC3_SD_PHYS   (PXA_CS3_PHYS + 0x02000000)
  62
  63 static unsigned long hx4700_pin_config[] __initdata = {
  64
  65         /* SDRAM and Static Memory I/O Signals */
  66         GPIO20_nSDCS_2,
  67         GPIO21_nSDCS_3,
  68         GPIO15_nCS_1,
  69         GPIO78_nCS_2,   /* W3220 */
  70         GPIO79_nCS_3,   /* ASIC3 */
  71         GPIO80_nCS_4,
  72         GPIO33_nCS_5,   /* EGPIO, WLAN */
  73
  74         /* PC CARD */
  75         GPIO48_nPOE,
  76         GPIO49_nPWE,
  77         GPIO50_nPIOR,
  78         GPIO51_nPIOW,
  79         GPIO54_nPCE_2,
  80         GPIO55_nPREG,
  81         GPIO56_nPWAIT,
  82         GPIO57_nIOIS16,
  83         GPIO85_nPCE_1,
  84         GPIO104_PSKTSEL,
  85
  86         /* I2C */
  87         GPIO117_I2C_SCL,
  88         GPIO118_I2C_SDA,
  89
  90         /* FFUART (RS-232) */
  91         GPIO34_FFUART_RXD,
  92         GPIO35_FFUART_CTS,
  93         GPIO36_FFUART_DCD,
  94         GPIO37_FFUART_DSR,
  95         GPIO38_FFUART_RI,
  96         GPIO39_FFUART_TXD,
  97         GPIO40_FFUART_DTR,
  98         GPIO41_FFUART_RTS,
  99
 100         /* BTUART */
 101         GPIO42_BTUART_RXD,
 102         GPIO43_BTUART_TXD_LPM_LOW,
 103         GPIO44_BTUART_CTS,
 104         GPIO45_BTUART_RTS_LPM_LOW,
 105
 106         /* STUART (IRDA) */
 107         GPIO46_STUART_RXD,
 108         GPIO47_STUART_TXD,
 109
 110         /* PWM 1 (Backlight) */
 111         GPIO17_PWM1_OUT,
 112
 113         /* I2S */
 114         GPIO28_I2S_BITCLK_OUT,
 115         GPIO29_I2S_SDATA_IN,
 116         GPIO30_I2S_SDATA_OUT,
 117         GPIO31_I2S_SYNC,
 118         GPIO113_I2S_SYSCLK,
 119
 120         /* SSP 1 (NavPoint) */
 121         GPIO23_SSP1_SCLK_IN,
 122         GPIO24_SSP1_SFRM,
 123         GPIO25_SSP1_TXD,
 124         GPIO26_SSP1_RXD,
 125
 126         /* SSP 2 (TSC2046) */
 127         GPIO19_SSP2_SCLK,
 128         GPIO86_SSP2_RXD,
 129         GPIO87_SSP2_TXD,
 130         GPIO88_GPIO,
 131
 132         /* HX4700 specific input GPIOs */
 133         GPIO12_GPIO | WAKEUP_ON_EDGE_RISE,      /* ASIC3_IRQ */
 134         GPIO13_GPIO,    /* W3220_IRQ */
 135         GPIO14_GPIO,    /* nWLAN_IRQ */
 136
 137         /* HX4700 specific output GPIOs */
 138         GPIO102_GPIO | MFP_LPM_DRIVE_LOW,       /* SYNAPTICS_POWER_ON */
 139
 140         GPIO10_GPIO,    /* GSM_IRQ */
 141         GPIO13_GPIO,    /* CPLD_IRQ */
 142         GPIO107_GPIO,   /* DS1WM_IRQ */
 143         GPIO108_GPIO,   /* GSM_READY */
 144         GPIO58_GPIO,    /* TSC2046_nPENIRQ */
 145         GPIO66_GPIO,    /* nSDIO_IRQ */
 146 };
 147
 148 /*
 149  * IRDA
 150  */
 151
 152 static struct pxaficp_platform_data ficp_info = {
 153         .gpio_pwdown            = GPIO105_HX4700_nIR_ON,
 154         .transceiver_cap        = IR_SIRMODE | IR_OFF,
 155 };
 156
 157 /*
 158  * GPIO Keys
 159  */
 160
 161 #define INIT_KEY(_code, _gpio, _active_low, _desc)      \
 162         {                                               \
 163                 .code       = KEY_##_code,              \
 164                 .gpio       = _gpio,                    \
 165                 .active_low = _active_low,              \
 166                 .desc       = _desc,                    \
 167                 .type       = EV_KEY,                   \
 168                 .wakeup     = 1,                        \
 169         }
 170
 171 static struct gpio_keys_button gpio_keys_buttons[] = {
 172         INIT_KEY(POWER,       GPIO0_HX4700_nKEY_POWER,   1, "Power button"),
 173         INIT_KEY(MAIL,        GPIO94_HX4700_KEY_MAIL,    0, "Mail button"),
 174         INIT_KEY(ADDRESSBOOK, GPIO99_HX4700_KEY_CONTACTS,0, "Contacts button"),
 175         INIT_KEY(RECORD,      GPIOD6_nKEY_RECORD,        1, "Record button"),
 176         INIT_KEY(CALENDAR,    GPIOD1_nKEY_CALENDAR,      1, "Calendar button"),
 177         INIT_KEY(HOMEPAGE,    GPIOD3_nKEY_HOME,          1, "Home button"),
 178 };
 179
 180 static struct gpio_keys_platform_data gpio_keys_data = {
 181         .buttons = gpio_keys_buttons,
 182         .nbuttons = ARRAY_SIZE(gpio_keys_buttons),
 183 };
 184
 185 static struct platform_device gpio_keys = {
 186         .name = "gpio-keys",
 187         .dev  = {
 188                 .platform_data = &gpio_keys_data,
 189         },
 190         .id   = -1,
 191 };
 192
 193 /*
 194  * Synaptics NavPoint connected to SSP1
 195  */
 196
 197 static struct navpoint_platform_data navpoint_platform_data = {
 198         .port   = 1,
 199         .gpio   = GPIO102_HX4700_SYNAPTICS_POWER_ON,
 200 };
 201
 202 static struct platform_device navpoint = {
 203         .name   = "navpoint",
 204         .id     = -1,
 205         .dev = {
 206                 .platform_data = &navpoint_platform_data,
 207         },
 208 };
 209
 210 /*
 211  * ASIC3
 212  */
 213
 214 static u16 asic3_gpio_config[] = {
 215         /* ASIC3 GPIO banks A and B along with some of C and D
 216            implement the buffering for the CF slot. */
 217         ASIC3_CONFIG_GPIO(0, 1, 1, 0),
 218         ASIC3_CONFIG_GPIO(1, 1, 1, 0),
 219         ASIC3_CONFIG_GPIO(2, 1, 1, 0),
 220         ASIC3_CONFIG_GPIO(3, 1, 1, 0),
 221         ASIC3_CONFIG_GPIO(4, 1, 1, 0),
 222         ASIC3_CONFIG_GPIO(5, 1, 1, 0),
 223         ASIC3_CONFIG_GPIO(6, 1, 1, 0),
 224         ASIC3_CONFIG_GPIO(7, 1, 1, 0),
 225         ASIC3_CONFIG_GPIO(8, 1, 1, 0),
 226         ASIC3_CONFIG_GPIO(9, 1, 1, 0),
 227         ASIC3_CONFIG_GPIO(10, 1, 1, 0),
 228         ASIC3_CONFIG_GPIO(11, 1, 1, 0),
 229         ASIC3_CONFIG_GPIO(12, 1, 1, 0),
 230         ASIC3_CONFIG_GPIO(13, 1, 1, 0),
 231         ASIC3_CONFIG_GPIO(14, 1, 1, 0),
 232         ASIC3_CONFIG_GPIO(15, 1, 1, 0),
 233
 234         ASIC3_CONFIG_GPIO(16, 1, 1, 0),
 235         ASIC3_CONFIG_GPIO(17, 1, 1, 0),
 236         ASIC3_CONFIG_GPIO(18, 1, 1, 0),
 237         ASIC3_CONFIG_GPIO(19, 1, 1, 0),
 238         ASIC3_CONFIG_GPIO(20, 1, 1, 0),
 239         ASIC3_CONFIG_GPIO(21, 1, 1, 0),
 240         ASIC3_CONFIG_GPIO(22, 1, 1, 0),
 241         ASIC3_CONFIG_GPIO(23, 1, 1, 0),
 242         ASIC3_CONFIG_GPIO(24, 1, 1, 0),
 243         ASIC3_CONFIG_GPIO(25, 1, 1, 0),
 244         ASIC3_CONFIG_GPIO(26, 1, 1, 0),
 245         ASIC3_CONFIG_GPIO(27, 1, 1, 0),
 246         ASIC3_CONFIG_GPIO(28, 1, 1, 0),
 247         ASIC3_CONFIG_GPIO(29, 1, 1, 0),
 248         ASIC3_CONFIG_GPIO(30, 1, 1, 0),
 249         ASIC3_CONFIG_GPIO(31, 1, 1, 0),
 250
 251         /* GPIOC - CF, LEDs, SD */
 252         ASIC3_GPIOC0_LED0,              /* red */
 253         ASIC3_GPIOC1_LED1,              /* green */
 254         ASIC3_GPIOC2_LED2,              /* blue */
 255         ASIC3_GPIOC5_nCIOW,
 256         ASIC3_GPIOC6_nCIOR,
 257         ASIC3_GPIOC7_nPCE_1,
 258         ASIC3_GPIOC8_nPCE_2,
 259         ASIC3_GPIOC9_nPOE,
 260         ASIC3_GPIOC10_nPWE,
 261         ASIC3_GPIOC11_PSKTSEL,
 262         ASIC3_GPIOC12_nPREG,
 263         ASIC3_GPIOC13_nPWAIT,
 264         ASIC3_GPIOC14_nPIOIS16,
 265         ASIC3_GPIOC15_nPIOR,
 266
 267         /* GPIOD: input GPIOs, CF */
 268         ASIC3_GPIOD4_CF_nCD,
 269         ASIC3_GPIOD11_nCIOIS16,
 270         ASIC3_GPIOD12_nCWAIT,
 271         ASIC3_GPIOD15_nPIOW,
 272 };
 273
 274 static struct asic3_led asic3_leds[ASIC3_NUM_LEDS] = {
 275         [0] = {
 276                 .name = "hx4700:amber",
 277                 .default_trigger = "ds2760-battery.0-charging-blink-full-solid",
 278         },
 279         [1] = {
 280                 .name = "hx4700:green",
 281                 .default_trigger = "unused",
 282         },
 283         [2] = {
 284                 .name = "hx4700:blue",
 285                 .default_trigger = "hx4700-radio",
 286         },
 287 };
 288
 289 static struct resource asic3_resources[] = {
 290         /* GPIO part */
 291         [0] = {
 292                 .start  = ASIC3_PHYS,
 293                 .end    = ASIC3_PHYS + ASIC3_MAP_SIZE_16BIT - 1,
 294                 .flags  = IORESOURCE_MEM,
 295         },
 296         [1] = {
 297                 .start  = PXA_GPIO_TO_IRQ(GPIO12_HX4700_ASIC3_IRQ),
 298                 .end    = PXA_GPIO_TO_IRQ(GPIO12_HX4700_ASIC3_IRQ),
 299                 .flags  = IORESOURCE_IRQ,
 300         },
 301         /* SD part */
 302         [2] = {
 303                 .start  = ASIC3_SD_PHYS,
 304                 .end    = ASIC3_SD_PHYS + ASIC3_MAP_SIZE_16BIT - 1,
 305                 .flags  = IORESOURCE_MEM,
 306         },
 307         [3] = {
 308                 .start  = PXA_GPIO_TO_IRQ(GPIO66_HX4700_ASIC3_nSDIO_IRQ),
 309                 .end    = PXA_GPIO_TO_IRQ(GPIO66_HX4700_ASIC3_nSDIO_IRQ),
 310                 .flags  = IORESOURCE_IRQ,
 311         },
 312 };
 313
 314 static struct asic3_platform_data asic3_platform_data = {
 315         .gpio_config     = asic3_gpio_config,
 316         .gpio_config_num = ARRAY_SIZE(asic3_gpio_config),
 317         .irq_base        = IRQ_BOARD_START,
 318         .gpio_base       = HX4700_ASIC3_GPIO_BASE,
 319         .clock_rate      = 4000000,
 320         .leds            = asic3_leds,
 321 };
 322
 323 static struct platform_device asic3 = {
 324         .name          = "asic3",
 325         .id            = -1,
 326         .resource      = asic3_resources,
 327         .num_resources = ARRAY_SIZE(asic3_resources),
 328         .dev = {
 329                 .platform_data = &asic3_platform_data,
 330         },
 331 };
 332
 333 /*
 334  * EGPIO
 335  */
 336
 337 static struct resource egpio_resources[] = {
 338         [0] = {
 339                 .start = PXA_CS5_PHYS,
 340                 .end   = PXA_CS5_PHYS + 0x4 - 1,
 341                 .flags = IORESOURCE_MEM,
 342         },
 343 };
 344
 345 static struct htc_egpio_chip egpio_chips[] = {
 346         [0] = {
 347                 .reg_start = 0,
 348                 .gpio_base = HX4700_EGPIO_BASE,
 349                 .num_gpios = 8,
 350                 .direction = HTC_EGPIO_OUTPUT,
 351         },
 352 };
 353
 354 static struct htc_egpio_platform_data egpio_info = {
 355         .reg_width = 16,
 356         .bus_width = 16,
 357         .chip      = egpio_chips,
 358         .num_chips = ARRAY_SIZE(egpio_chips),
 359 };
 360
 361 static struct platform_device egpio = {
 362         .name          = "htc-egpio",
 363         .id            = -1,
 364         .resource      = egpio_resources,
 365         .num_resources = ARRAY_SIZE(egpio_resources),
 366         .dev = {
 367                 .platform_data = &egpio_info,
 368         },
 369 };
 370
 371 /*
 372  * LCD - Sony display connected to ATI Imageon w3220
 373  */
 374
 375 static void sony_lcd_init(void)
 376 {
 377         gpio_set_value(GPIO84_HX4700_LCD_SQN, 1);
 378         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
 379         gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
 380         gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 0);
 381         gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
 382         mdelay(10);
 383         gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
 384         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
 385         mdelay(20);
 386
 387         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 1);
 388         mdelay(5);
 389         gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 1);
 390
 391         /* FIXME: init w3220 registers here */
 392
 393         mdelay(5);
 394         gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 1);
 395         mdelay(10);
 396         gpio_set_value(GPIO62_HX4700_LCD_nRESET, 1);
 397         mdelay(10);
 398         gpio_set_value(GPIO59_HX4700_LCD_PC1, 1);
 399         mdelay(10);
 400         gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 1);
 401 }
 402
 403 static void sony_lcd_off(void)
 404 {
 405         gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
 406         gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
 407         mdelay(10);
 408         gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 0);
 409         mdelay(10);
 410         gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
 411         mdelay(10);
 412         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
 413 }
 414
 415 #ifdef CONFIG_PM
 416 static void w3220_lcd_suspend(struct w100fb_par *wfb)
 417 {
 418         sony_lcd_off();
 419 }
 420
 421 static void w3220_lcd_resume(struct w100fb_par *wfb)
 422 {
 423         sony_lcd_init();
 424 }
 425 #else
 426 #define w3220_lcd_resume        NULL
 427 #define w3220_lcd_suspend       NULL
 428 #endif
 429
 430 static struct w100_tg_info w3220_tg_info = {
 431         .suspend        = w3220_lcd_suspend,
 432         .resume         = w3220_lcd_resume,
 433 };
 434
 435 /*                               W3220_VGA              QVGA */
 436 static struct w100_gen_regs w3220_regs = {
 437         .lcd_format =        0x00000003,
 438         .lcdd_cntl1 =        0x00000000,
 439         .lcdd_cntl2 =        0x0003ffff,
 440         .genlcd_cntl1 =      0x00abf003,        /* 0x00fff003 */
 441         .genlcd_cntl2 =      0x00000003,
 442         .genlcd_cntl3 =      0x000102aa,
 443 };
 444
 445 static struct w100_mode w3220_modes[] = {
 446 {
 447         .xres           = 480,
 448         .yres           = 640,
 449         .left_margin    = 15,
 450         .right_margin   = 16,
 451         .upper_margin   = 8,
 452         .lower_margin   = 7,
 453         .crtc_ss        = 0x00000000,
 454         .crtc_ls        = 0xa1ff01f9,   /* 0x21ff01f9 */
 455         .crtc_gs        = 0xc0000000,   /* 0x40000000 */
 456         .crtc_vpos_gs   = 0x0000028f,
 457         .crtc_ps1_active = 0x00000000,  /* 0x41060010 */
 458         .crtc_rev       = 0,
 459         .crtc_dclk      = 0x80000000,
 460         .crtc_gclk      = 0x040a0104,
 461         .crtc_goe       = 0,
 462         .pll_freq       = 95,
 463         .pixclk_divider = 4,
 464         .pixclk_divider_rotated = 4,
 465         .pixclk_src     = CLK_SRC_PLL,
 466         .sysclk_divider = 0,
 467         .sysclk_src     = CLK_SRC_PLL,
 468 },
 469 {
 470         .xres           = 240,
 471         .yres           = 320,
 472         .left_margin    = 9,
 473         .right_margin   = 8,
 474         .upper_margin   = 5,
 475         .lower_margin   = 4,
 476         .crtc_ss        = 0x80150014,
 477         .crtc_ls        = 0xa0fb00f7,
 478         .crtc_gs        = 0xc0080007,
 479         .crtc_vpos_gs   = 0x00080007,
 480         .crtc_rev       = 0x0000000a,
 481         .crtc_dclk      = 0x81700030,
 482         .crtc_gclk      = 0x8015010f,
 483         .crtc_goe       = 0x00000000,
 484         .pll_freq       = 95,
 485         .pixclk_divider = 4,
 486         .pixclk_divider_rotated = 4,
 487         .pixclk_src     = CLK_SRC_PLL,
 488         .sysclk_divider = 0,
 489         .sysclk_src     = CLK_SRC_PLL,
 490 },
 491 };
 492
 493 struct w100_mem_info w3220_mem_info = {
 494         .ext_cntl        = 0x09640011,
 495         .sdram_mode_reg  = 0x00600021,
 496         .ext_timing_cntl = 0x1a001545,  /* 0x15001545 */
 497         .io_cntl         = 0x7ddd7333,
 498         .size            = 0x1fffff,
 499 };
 500
 501 struct w100_bm_mem_info w3220_bm_mem_info = {
 502         .ext_mem_bw = 0x50413e01,
 503         .offset = 0,
 504         .ext_timing_ctl = 0x00043f7f,
 505         .ext_cntl = 0x00000010,
 506         .mode_reg = 0x00250000,
 507         .io_cntl = 0x0fff0000,
 508         .config = 0x08301480,
 509 };
 510
 511 static struct w100_gpio_regs w3220_gpio_info = {
 512         .init_data1 = 0xdfe00100,       /* GPIO_DATA */
 513         .gpio_dir1  = 0xffff0000,       /* GPIO_CNTL1 */
 514         .gpio_oe1   = 0x00000000,       /* GPIO_CNTL2 */
 515         .init_data2 = 0x00000000,       /* GPIO_DATA2 */
 516         .gpio_dir2  = 0x00000000,       /* GPIO_CNTL3 */
 517         .gpio_oe2   = 0x00000000,       /* GPIO_CNTL4 */
 518 };
 519
 520 static struct w100fb_mach_info w3220_info = {
 521         .tg        = &w3220_tg_info,
 522         .mem       = &w3220_mem_info,
 523         .bm_mem    = &w3220_bm_mem_info,
 524         .gpio      = &w3220_gpio_info,
 525         .regs      = &w3220_regs,
 526         .modelist  = w3220_modes,
 527         .num_modes = 2,
 528         .xtal_freq = 16000000,
 529 };
 530
 531 static struct resource w3220_resources[] = {
 532         [0] = {
 533                 .start  = ATI_W3220_PHYS,
 534                 .end    = ATI_W3220_PHYS + 0x00ffffff,
 535                 .flags  = IORESOURCE_MEM,
 536         },
 537 };
 538
 539 static struct platform_device w3220 = {
 540         .name   = "w100fb",
 541         .id     = -1,
 542         .dev    = {
 543                 .platform_data = &w3220_info,
 544         },
 545         .num_resources = ARRAY_SIZE(w3220_resources),
 546         .resource      = w3220_resources,
 547 };
 548
 549 static void hx4700_lcd_set_power(struct plat_lcd_data *pd, unsigned int power)
 550 {
 551         if (power)
 552                 sony_lcd_init();
 553         else
 554                 sony_lcd_off();
 555 }
 556
 557 static struct plat_lcd_data hx4700_lcd_data = {
 558         .set_power = hx4700_lcd_set_power,
 559 };
 560
 561 static struct platform_device hx4700_lcd = {
 562         .name = "platform-lcd",
 563         .id   = -1,
 564         .dev  = {
 565                 .platform_data = &hx4700_lcd_data,
 566                 .parent        = &w3220.dev,
 567         },
 568 };
 569
 570 /*
 571  * Backlight
 572  */
 573
 574 static struct platform_pwm_backlight_data backlight_data = {
 575         .pwm_id         = 1,
 576         .max_brightness = 200,
 577         .dft_brightness = 100,
 578         .pwm_period_ns  = 30923,
 579 };
 580
 581 static struct platform_device backlight = {
 582         .name = "pwm-backlight",
 583         .id   = -1,
 584         .dev  = {
 585                 .parent        = &pxa27x_device_pwm1.dev,
 586                 .platform_data = &backlight_data,
 587         },
 588 };
 589
 590 /*
 591  * USB "Transceiver"
 592  */
 593
 594 static struct gpio_vbus_mach_info gpio_vbus_info = {
 595         .gpio_pullup        = GPIO76_HX4700_USBC_PUEN,
 596         .gpio_vbus          = GPIOD14_nUSBC_DETECT,
 597         .gpio_vbus_inverted = 1,
 598 };
 599
 600 static struct platform_device gpio_vbus = {
 601         .name          = "gpio-vbus",
 602         .id            = -1,
 603         .dev = {
 604                 .platform_data = &gpio_vbus_info,
 605         },
 606 };
 607
 608 /*
 609  * Touchscreen - TSC2046 connected to SSP2
 610  */
 611
 612 static const struct ads7846_platform_data tsc2046_info = {
 613         .model            = 7846,
 614         .vref_delay_usecs = 100,
 615         .pressure_max     = 1024,
 616         .debounce_max     = 10,
 617         .debounce_tol     = 3,
 618         .debounce_rep     = 1,
 619         .gpio_pendown     = GPIO58_HX4700_TSC2046_nPENIRQ,
 620 };
 621
 622 static struct pxa2xx_spi_chip tsc2046_chip = {
 623         .tx_threshold = 1,
 624         .rx_threshold = 2,
 625         .timeout      = 64,
 626         .gpio_cs      = GPIO88_HX4700_TSC2046_CS,
 627 };
 628
 629 static struct spi_board_info tsc2046_board_info[] __initdata = {
 630         {
 631                 .modalias        = "ads7846",
 632                 .bus_num         = 2,
 633                 .max_speed_hz    = 2600000, /* 100 kHz sample rate */
 634                 .irq             = PXA_GPIO_TO_IRQ(GPIO58_HX4700_TSC2046_nPENIRQ),
 635                 .platform_data   = &tsc2046_info,
 636                 .controller_data = &tsc2046_chip,
 637         },
 638 };
 639
 640 static struct pxa2xx_spi_master pxa_ssp2_master_info = {
 641         .num_chipselect = 1,
 642         .clock_enable   = CKEN_SSP2,
 643         .enable_dma     = 1,
 644 };
 645
 646 /*
 647  * External power
 648  */
 649
 650 static int power_supply_init(struct device *dev)
 651 {
 652         return gpio_request(GPIOD9_nAC_IN, "AC charger detect");
 653 }
 654
 655 static int hx4700_is_ac_online(void)
 656 {
 657         return !gpio_get_value(GPIOD9_nAC_IN);
 658 }
 659
 660 static void power_supply_exit(struct device *dev)
 661 {
 662         gpio_free(GPIOD9_nAC_IN);
 663 }
 664
 665 static char *hx4700_supplicants[] = {
 666         "ds2760-battery.0", "backup-battery"
 667 };
 668
 669 static struct pda_power_pdata power_supply_info = {
 670         .init            = power_supply_init,
 671         .is_ac_online    = hx4700_is_ac_online,
 672         .exit            = power_supply_exit,
 673         .supplied_to     = hx4700_supplicants,
 674         .num_supplicants = ARRAY_SIZE(hx4700_supplicants),
 675 };
 676
 677 static struct resource power_supply_resources[] = {
 678         [0] = {
 679                 .name  = "ac",
 680                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
 681                          IORESOURCE_IRQ_LOWEDGE,
 682                 .start = PXA_GPIO_TO_IRQ(GPIOD9_nAC_IN),
 683                 .end   = PXA_GPIO_TO_IRQ(GPIOD9_nAC_IN),
 684         },
 685         [1] = {
 686                 .name  = "usb",
 687                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
 688                          IORESOURCE_IRQ_LOWEDGE,
 689                 .start = PXA_GPIO_TO_IRQ(GPIOD14_nUSBC_DETECT),
 690                 .end   = PXA_GPIO_TO_IRQ(GPIOD14_nUSBC_DETECT),
 691         },
 692 };
 693
 694 static struct platform_device power_supply = {
 695         .name = "pda-power",
 696         .id   = -1,
 697         .dev  = {
 698                 .platform_data = &power_supply_info,
 699         },
 700         .resource      = power_supply_resources,
 701         .num_resources = ARRAY_SIZE(power_supply_resources),
 702 };
 703
 704 /*
 705  * Battery charger
 706  */
 707
 708 static struct regulator_consumer_supply bq24022_consumers[] = {
 709         REGULATOR_SUPPLY("vbus_draw", NULL),
 710         REGULATOR_SUPPLY("ac_draw", NULL),
 711 };
 712
 713 static struct regulator_init_data bq24022_init_data = {
 714         .constraints = {
 715                 .max_uA         = 500000,
 716                 .valid_ops_mask = REGULATOR_CHANGE_CURRENT|REGULATOR_CHANGE_STATUS,
 717         },
 718         .num_consumer_supplies  = ARRAY_SIZE(bq24022_consumers),
 719         .consumer_supplies      = bq24022_consumers,
 720 };
 721
 722 static struct gpio bq24022_gpios[] = {
 723         { GPIO96_HX4700_BQ24022_ISET2, GPIOF_OUT_INIT_LOW, "bq24022_iset2" },
 724 };
 725
 726 static struct gpio_regulator_state bq24022_states[] = {
 727         { .value = 100000, .gpios = (0 << 0) },
 728         { .value = 500000, .gpios = (1 << 0) },
 729 };
 730
 731 static struct gpio_regulator_config bq24022_info = {
 732         .supply_name = "bq24022",
 733
 734         .enable_gpio = GPIO72_HX4700_BQ24022_nCHARGE_EN,
 735         .enable_high = 0,
 736         .enabled_at_boot = 0,
 737
 738         .gpios = bq24022_gpios,
 739         .nr_gpios = ARRAY_SIZE(bq24022_gpios),
 740
 741         .states = bq24022_states,
 742         .nr_states = ARRAY_SIZE(bq24022_states),
 743
 744         .type = REGULATOR_CURRENT,
 745         .init_data = &bq24022_init_data,
 746 };
 747
 748 static struct platform_device bq24022 = {
 749         .name = "gpio-regulator",
 750         .id   = -1,
 751         .dev  = {
 752                 .platform_data = &bq24022_info,
 753         },
 754 };
 755
 756 /*
 757  * StrataFlash
 758  */
 759
 760 static void hx4700_set_vpp(struct platform_device *pdev, int vpp)
 761 {
 762         gpio_set_value(GPIO91_HX4700_FLASH_VPEN, vpp);
 763 }
 764
 765 static struct resource strataflash_resource[] = {
 766         [0] = DEFINE_RES_MEM(PXA_CS0_PHYS, SZ_64M),
 767         [1] = DEFINE_RES_MEM(PXA_CS0_PHYS + SZ_64M, SZ_64M),
 768 };
 769
 770 static struct physmap_flash_data strataflash_data = {
 771         .width = 4,
 772         .set_vpp = hx4700_set_vpp,
 773 };
 774
 775 static struct platform_device strataflash = {
 776         .name          = "physmap-flash",
 777         .id            = -1,
 778         .resource      = strataflash_resource,
 779         .num_resources = ARRAY_SIZE(strataflash_resource),
 780         .dev = {
 781                 .platform_data = &strataflash_data,
 782         },
 783 };
 784
 785 /*
 786  * Maxim MAX1587A on PI2C
 787  */
 788
 789 static struct regulator_consumer_supply max1587a_consumer =
 790         REGULATOR_SUPPLY("vcc_core", NULL);
 791
 792 static struct regulator_init_data max1587a_v3_info = {
 793         .constraints = {
 794                 .name = "vcc_core range",
 795                 .min_uV =  900000,
 796                 .max_uV = 1705000,
 797                 .always_on = 1,
 798                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 799         },
 800         .num_consumer_supplies = 1,
 801         .consumer_supplies     = &max1587a_consumer,
 802 };
 803
 804 static struct max1586_subdev_data max1587a_subdev = {
 805         .name = "vcc_core",
 806         .id   = MAX1586_V3,
 807         .platform_data = &max1587a_v3_info,
 808 };
 809
 810 static struct max1586_platform_data max1587a_info = {
 811         .num_subdevs = 1,
 812         .subdevs     = &max1587a_subdev,
 813         .v3_gain     = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
 814 };
 815
 816 static struct i2c_board_info __initdata pi2c_board_info[] = {
 817         {
 818                 I2C_BOARD_INFO("max1586", 0x14),
 819                 .platform_data = &max1587a_info,
 820         },
 821 };
 822
 823 /*
 824  * Asahi Kasei AK4641 on I2C
 825  */
 826
 827 static struct ak4641_platform_data ak4641_info = {
 828         .gpio_power = GPIO27_HX4700_CODEC_ON,
 829         .gpio_npdn  = GPIO109_HX4700_CODEC_nPDN,
 830 };
 831
 832 static struct i2c_board_info i2c_board_info[] __initdata = {
 833         {
 834                 I2C_BOARD_INFO("ak4641", 0x12),
 835                 .platform_data = &ak4641_info,
 836         },
 837 };
 838
 839 static struct platform_device audio = {
 840         .name   = "hx4700-audio",
 841         .id     = -1,
 842 };
 843
 844
 845 /*
 846  * Platform devices
 847  */
 848
 849 static struct platform_device *devices[] __initdata = {
 850         &asic3,
 851         &gpio_keys,
 852         &navpoint,
 853         &backlight,
 854         &w3220,
 855         &hx4700_lcd,
 856         &egpio,
 857         &bq24022,
 858         &gpio_vbus,
 859         &power_supply,
 860         &strataflash,
 861         &audio,
 862 };
 863
 864 static struct gpio global_gpios[] = {
 865         { GPIO12_HX4700_ASIC3_IRQ, GPIOF_IN, "ASIC3_IRQ" },
 866         { GPIO13_HX4700_W3220_IRQ, GPIOF_IN, "W3220_IRQ" },
 867         { GPIO14_HX4700_nWLAN_IRQ, GPIOF_IN, "WLAN_IRQ" },
 868         { GPIO59_HX4700_LCD_PC1,          GPIOF_OUT_INIT_HIGH, "LCD_PC1" },
 869         { GPIO62_HX4700_LCD_nRESET,       GPIOF_OUT_INIT_HIGH, "LCD_RESET" },
 870         { GPIO70_HX4700_LCD_SLIN1,        GPIOF_OUT_INIT_HIGH, "LCD_SLIN1" },
 871         { GPIO84_HX4700_LCD_SQN,          GPIOF_OUT_INIT_HIGH, "LCD_SQN" },
 872         { GPIO110_HX4700_LCD_LVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_LVDD" },
 873         { GPIO111_HX4700_LCD_AVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_AVDD" },
 874         { GPIO32_HX4700_RS232_ON,         GPIOF_OUT_INIT_HIGH, "RS232_ON" },
 875         { GPIO71_HX4700_ASIC3_nRESET,     GPIOF_OUT_INIT_HIGH, "ASIC3_nRESET" },
 876         { GPIO82_HX4700_EUART_RESET,      GPIOF_OUT_INIT_HIGH, "EUART_RESET" },
 877 };
 878
 879 static void __init hx4700_init(void)
 880 {
 881         int ret;
 882
 883         pxa2xx_mfp_config(ARRAY_AND_SIZE(hx4700_pin_config));
 884         gpio_set_wake(GPIO12_HX4700_ASIC3_IRQ, 1);
 885         ret = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
 886         if (ret)
 887                 pr_err ("hx4700: Failed to request GPIOs.\n");
 888
 889         pxa_set_ffuart_info(NULL);
 890         pxa_set_btuart_info(NULL);
 891         pxa_set_stuart_info(NULL);
 892
 893         platform_add_devices(devices, ARRAY_SIZE(devices));
 894
 895         pxa_set_ficp_info(&ficp_info);
 896         pxa27x_set_i2c_power_info(NULL);
 897         pxa_set_i2c_info(NULL);
 898         i2c_register_board_info(0, ARRAY_AND_SIZE(i2c_board_info));
 899         i2c_register_board_info(1, ARRAY_AND_SIZE(pi2c_board_info));
 900         pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
 901         spi_register_board_info(ARRAY_AND_SIZE(tsc2046_board_info));
 902
 903         gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 0);
 904         mdelay(10);
 905         gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 1);
 906         mdelay(10);
 907 }
 908
 909 MACHINE_START(H4700, "HP iPAQ HX4700")
 910         .atag_offset  = 0x100,
 911         .map_io       = pxa27x_map_io,
 912         .nr_irqs      = HX4700_NR_IRQS,
 913         .init_irq     = pxa27x_init_irq,
 914         .handle_irq     = pxa27x_handle_irq,
 915         .init_machine = hx4700_init,
 916         .timer        = &pxa_timer,
 917         .restart        = pxa_restart,
 918 MACHINE_END