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/asic3.h>
  28 #include <linux/mtd/physmap.h>
  29 #include <linux/pda_power.h>
  30 #include <linux/platform_data/gpio-htc-egpio.h>
  31 #include <linux/pwm.h>
  32 #include <linux/pwm_backlight.h>
  33 #include <linux/regulator/driver.h>
  34 #include <linux/regulator/gpio-regulator.h>
  35 #include <linux/regulator/machine.h>
  36 #include <linux/regulator/max1586.h>
  37 #include <linux/spi/ads7846.h>
  38 #include <linux/spi/spi.h>
  39 #include <linux/spi/pxa2xx_spi.h>
  40 #include <linux/usb/gpio_vbus.h>
  41 #include <linux/platform_data/i2c-pxa.h>
  42
  43 #include <mach/hardware.h>
  44 #include <asm/mach-types.h>
  45 #include <asm/mach/arch.h>
  46
  47 #include "pxa27x.h"
  48 #include <mach/hx4700.h>
  49 #include <linux/platform_data/irda-pxaficp.h>
  50
  51 #include <sound/ak4641.h>
  52 #include <video/platform_lcd.h>
  53 #include <video/w100fb.h>
  54
  55 #include "devices.h"
  56 #include "generic.h"
  57 #include "udc.h"
  58
  59 /* Physical address space information */
  60
  61 #define ATI_W3220_PHYS  PXA_CS2_PHYS /* ATI Imageon 3220 Graphics */
  62 #define ASIC3_PHYS      PXA_CS3_PHYS
  63 #define ASIC3_SD_PHYS   (PXA_CS3_PHYS + 0x02000000)
  64
  65 static unsigned long hx4700_pin_config[] __initdata = {
  66
  67         /* SDRAM and Static Memory I/O Signals */
  68         GPIO20_nSDCS_2,
  69         GPIO21_nSDCS_3,
  70         GPIO15_nCS_1,
  71         GPIO78_nCS_2,   /* W3220 */
  72         GPIO79_nCS_3,   /* ASIC3 */
  73         GPIO80_nCS_4,
  74         GPIO33_nCS_5,   /* EGPIO, WLAN */
  75
  76         /* PC CARD */
  77         GPIO48_nPOE,
  78         GPIO49_nPWE,
  79         GPIO50_nPIOR,
  80         GPIO51_nPIOW,
  81         GPIO54_nPCE_2,
  82         GPIO55_nPREG,
  83         GPIO56_nPWAIT,
  84         GPIO57_nIOIS16,
  85         GPIO85_nPCE_1,
  86         GPIO104_PSKTSEL,
  87
  88         /* I2C */
  89         GPIO117_I2C_SCL,
  90         GPIO118_I2C_SDA,
  91
  92         /* FFUART (RS-232) */
  93         GPIO34_FFUART_RXD,
  94         GPIO35_FFUART_CTS,
  95         GPIO36_FFUART_DCD,
  96         GPIO37_FFUART_DSR,
  97         GPIO38_FFUART_RI,
  98         GPIO39_FFUART_TXD,
  99         GPIO40_FFUART_DTR,
 100         GPIO41_FFUART_RTS,
 101
 102         /* BTUART */
 103         GPIO42_BTUART_RXD,
 104         GPIO43_BTUART_TXD_LPM_LOW,
 105         GPIO44_BTUART_CTS,
 106         GPIO45_BTUART_RTS_LPM_LOW,
 107
 108         /* STUART (IRDA) */
 109         GPIO46_STUART_RXD,
 110         GPIO47_STUART_TXD,
 111
 112         /* PWM 1 (Backlight) */
 113         GPIO17_PWM1_OUT,
 114
 115         /* I2S */
 116         GPIO28_I2S_BITCLK_OUT,
 117         GPIO29_I2S_SDATA_IN,
 118         GPIO30_I2S_SDATA_OUT,
 119         GPIO31_I2S_SYNC,
 120         GPIO113_I2S_SYSCLK,
 121
 122         /* SSP 1 (NavPoint) */
 123         GPIO23_SSP1_SCLK_IN,
 124         GPIO24_SSP1_SFRM,
 125         GPIO25_SSP1_TXD,
 126         GPIO26_SSP1_RXD,
 127
 128         /* SSP 2 (TSC2046) */
 129         GPIO19_SSP2_SCLK,
 130         GPIO86_SSP2_RXD,
 131         GPIO87_SSP2_TXD,
 132         GPIO88_GPIO | MFP_LPM_DRIVE_HIGH,       /* TSC2046_CS */
 133
 134         /* BQ24022 Regulator */
 135         GPIO72_GPIO | MFP_LPM_KEEP_OUTPUT,      /* BQ24022_nCHARGE_EN */
 136         GPIO96_GPIO | MFP_LPM_KEEP_OUTPUT,      /* BQ24022_ISET2 */
 137
 138         /* HX4700 specific input GPIOs */
 139         GPIO12_GPIO | WAKEUP_ON_EDGE_RISE,      /* ASIC3_IRQ */
 140         GPIO13_GPIO,    /* W3220_IRQ */
 141         GPIO14_GPIO,    /* nWLAN_IRQ */
 142
 143         /* HX4700 specific output GPIOs */
 144         GPIO61_GPIO | MFP_LPM_DRIVE_HIGH,       /* W3220_nRESET */
 145         GPIO71_GPIO | MFP_LPM_DRIVE_HIGH,       /* ASIC3_nRESET */
 146         GPIO81_GPIO | MFP_LPM_DRIVE_HIGH,       /* CPU_GP_nRESET */
 147         GPIO116_GPIO | MFP_LPM_DRIVE_HIGH,      /* CPU_HW_nRESET */
 148         GPIO102_GPIO | MFP_LPM_DRIVE_LOW,       /* SYNAPTICS_POWER_ON */
 149
 150         GPIO10_GPIO,    /* GSM_IRQ */
 151         GPIO13_GPIO,    /* CPLD_IRQ */
 152         GPIO107_GPIO,   /* DS1WM_IRQ */
 153         GPIO108_GPIO,   /* GSM_READY */
 154         GPIO58_GPIO,    /* TSC2046_nPENIRQ */
 155         GPIO66_GPIO,    /* nSDIO_IRQ */
 156 };
 157
 158 /*
 159  * IRDA
 160  */
 161
 162 static struct pxaficp_platform_data ficp_info = {
 163         .gpio_pwdown            = GPIO105_HX4700_nIR_ON,
 164         .transceiver_cap        = IR_SIRMODE | IR_OFF,
 165 };
 166
 167 /*
 168  * GPIO Keys
 169  */
 170
 171 #define INIT_KEY(_code, _gpio, _active_low, _desc)      \
 172         {                                               \
 173                 .code       = KEY_##_code,              \
 174                 .gpio       = _gpio,                    \
 175                 .active_low = _active_low,              \
 176                 .desc       = _desc,                    \
 177                 .type       = EV_KEY,                   \
 178                 .wakeup     = 1,                        \
 179         }
 180
 181 static struct gpio_keys_button gpio_keys_buttons[] = {
 182         INIT_KEY(POWER,       GPIO0_HX4700_nKEY_POWER,   1, "Power button"),
 183         INIT_KEY(MAIL,        GPIO94_HX4700_KEY_MAIL,    0, "Mail button"),
 184         INIT_KEY(ADDRESSBOOK, GPIO99_HX4700_KEY_CONTACTS,0, "Contacts button"),
 185         INIT_KEY(RECORD,      GPIOD6_nKEY_RECORD,        1, "Record button"),
 186         INIT_KEY(CALENDAR,    GPIOD1_nKEY_CALENDAR,      1, "Calendar button"),
 187         INIT_KEY(HOMEPAGE,    GPIOD3_nKEY_HOME,          1, "Home button"),
 188 };
 189
 190 static struct gpio_keys_platform_data gpio_keys_data = {
 191         .buttons = gpio_keys_buttons,
 192         .nbuttons = ARRAY_SIZE(gpio_keys_buttons),
 193 };
 194
 195 static struct platform_device gpio_keys = {
 196         .name = "gpio-keys",
 197         .dev  = {
 198                 .platform_data = &gpio_keys_data,
 199         },
 200         .id   = -1,
 201 };
 202
 203 /*
 204  * Synaptics NavPoint connected to SSP1
 205  */
 206
 207 static struct navpoint_platform_data navpoint_platform_data = {
 208         .port   = 1,
 209         .gpio   = GPIO102_HX4700_SYNAPTICS_POWER_ON,
 210 };
 211
 212 static struct platform_device navpoint = {
 213         .name   = "navpoint",
 214         .id     = -1,
 215         .dev = {
 216                 .platform_data = &navpoint_platform_data,
 217         },
 218 };
 219
 220 /*
 221  * ASIC3
 222  */
 223
 224 static u16 asic3_gpio_config[] = {
 225         /* ASIC3 GPIO banks A and B along with some of C and D
 226            implement the buffering for the CF slot. */
 227         ASIC3_CONFIG_GPIO(0, 1, 1, 0),
 228         ASIC3_CONFIG_GPIO(1, 1, 1, 0),
 229         ASIC3_CONFIG_GPIO(2, 1, 1, 0),
 230         ASIC3_CONFIG_GPIO(3, 1, 1, 0),
 231         ASIC3_CONFIG_GPIO(4, 1, 1, 0),
 232         ASIC3_CONFIG_GPIO(5, 1, 1, 0),
 233         ASIC3_CONFIG_GPIO(6, 1, 1, 0),
 234         ASIC3_CONFIG_GPIO(7, 1, 1, 0),
 235         ASIC3_CONFIG_GPIO(8, 1, 1, 0),
 236         ASIC3_CONFIG_GPIO(9, 1, 1, 0),
 237         ASIC3_CONFIG_GPIO(10, 1, 1, 0),
 238         ASIC3_CONFIG_GPIO(11, 1, 1, 0),
 239         ASIC3_CONFIG_GPIO(12, 1, 1, 0),
 240         ASIC3_CONFIG_GPIO(13, 1, 1, 0),
 241         ASIC3_CONFIG_GPIO(14, 1, 1, 0),
 242         ASIC3_CONFIG_GPIO(15, 1, 1, 0),
 243
 244         ASIC3_CONFIG_GPIO(16, 1, 1, 0),
 245         ASIC3_CONFIG_GPIO(17, 1, 1, 0),
 246         ASIC3_CONFIG_GPIO(18, 1, 1, 0),
 247         ASIC3_CONFIG_GPIO(19, 1, 1, 0),
 248         ASIC3_CONFIG_GPIO(20, 1, 1, 0),
 249         ASIC3_CONFIG_GPIO(21, 1, 1, 0),
 250         ASIC3_CONFIG_GPIO(22, 1, 1, 0),
 251         ASIC3_CONFIG_GPIO(23, 1, 1, 0),
 252         ASIC3_CONFIG_GPIO(24, 1, 1, 0),
 253         ASIC3_CONFIG_GPIO(25, 1, 1, 0),
 254         ASIC3_CONFIG_GPIO(26, 1, 1, 0),
 255         ASIC3_CONFIG_GPIO(27, 1, 1, 0),
 256         ASIC3_CONFIG_GPIO(28, 1, 1, 0),
 257         ASIC3_CONFIG_GPIO(29, 1, 1, 0),
 258         ASIC3_CONFIG_GPIO(30, 1, 1, 0),
 259         ASIC3_CONFIG_GPIO(31, 1, 1, 0),
 260
 261         /* GPIOC - CF, LEDs, SD */
 262         ASIC3_GPIOC0_LED0,              /* red */
 263         ASIC3_GPIOC1_LED1,              /* green */
 264         ASIC3_GPIOC2_LED2,              /* blue */
 265         ASIC3_GPIOC5_nCIOW,
 266         ASIC3_GPIOC6_nCIOR,
 267         ASIC3_GPIOC7_nPCE_1,
 268         ASIC3_GPIOC8_nPCE_2,
 269         ASIC3_GPIOC9_nPOE,
 270         ASIC3_GPIOC10_nPWE,
 271         ASIC3_GPIOC11_PSKTSEL,
 272         ASIC3_GPIOC12_nPREG,
 273         ASIC3_GPIOC13_nPWAIT,
 274         ASIC3_GPIOC14_nPIOIS16,
 275         ASIC3_GPIOC15_nPIOR,
 276
 277         /* GPIOD: input GPIOs, CF */
 278         ASIC3_GPIOD4_CF_nCD,
 279         ASIC3_GPIOD11_nCIOIS16,
 280         ASIC3_GPIOD12_nCWAIT,
 281         ASIC3_GPIOD15_nPIOW,
 282 };
 283
 284 static struct asic3_led asic3_leds[ASIC3_NUM_LEDS] = {
 285         [0] = {
 286                 .name = "hx4700:amber",
 287                 .default_trigger = "ds2760-battery.0-charging-blink-full-solid",
 288         },
 289         [1] = {
 290                 .name = "hx4700:green",
 291                 .default_trigger = "unused",
 292         },
 293         [2] = {
 294                 .name = "hx4700:blue",
 295                 .default_trigger = "hx4700-radio",
 296         },
 297 };
 298
 299 static struct resource asic3_resources[] = {
 300         /* GPIO part */
 301         [0] = DEFINE_RES_MEM(ASIC3_PHYS, ASIC3_MAP_SIZE_16BIT),
 302         [1] = DEFINE_RES_IRQ(PXA_GPIO_TO_IRQ(GPIO12_HX4700_ASIC3_IRQ)),
 303         /* SD part */
 304         [2] = DEFINE_RES_MEM(ASIC3_SD_PHYS, ASIC3_MAP_SIZE_16BIT),
 305         [3] = DEFINE_RES_IRQ(PXA_GPIO_TO_IRQ(GPIO66_HX4700_ASIC3_nSDIO_IRQ)),
 306 };
 307
 308 static struct asic3_platform_data asic3_platform_data = {
 309         .gpio_config     = asic3_gpio_config,
 310         .gpio_config_num = ARRAY_SIZE(asic3_gpio_config),
 311         .irq_base        = IRQ_BOARD_START,
 312         .gpio_base       = HX4700_ASIC3_GPIO_BASE,
 313         .clock_rate      = 4000000,
 314         .leds            = asic3_leds,
 315 };
 316
 317 static struct platform_device asic3 = {
 318         .name          = "asic3",
 319         .id            = -1,
 320         .resource      = asic3_resources,
 321         .num_resources = ARRAY_SIZE(asic3_resources),
 322         .dev = {
 323                 .platform_data = &asic3_platform_data,
 324         },
 325 };
 326
 327 /*
 328  * EGPIO
 329  */
 330
 331 static struct resource egpio_resources[] = {
 332         [0] = DEFINE_RES_MEM(PXA_CS5_PHYS, 0x4),
 333 };
 334
 335 static struct htc_egpio_chip egpio_chips[] = {
 336         [0] = {
 337                 .reg_start = 0,
 338                 .gpio_base = HX4700_EGPIO_BASE,
 339                 .num_gpios = 8,
 340                 .direction = HTC_EGPIO_OUTPUT,
 341         },
 342 };
 343
 344 static struct htc_egpio_platform_data egpio_info = {
 345         .reg_width = 16,
 346         .bus_width = 16,
 347         .chip      = egpio_chips,
 348         .num_chips = ARRAY_SIZE(egpio_chips),
 349 };
 350
 351 static struct platform_device egpio = {
 352         .name          = "htc-egpio",
 353         .id            = -1,
 354         .resource      = egpio_resources,
 355         .num_resources = ARRAY_SIZE(egpio_resources),
 356         .dev = {
 357                 .platform_data = &egpio_info,
 358         },
 359 };
 360
 361 /*
 362  * LCD - Sony display connected to ATI Imageon w3220
 363  */
 364
 365 static void sony_lcd_init(void)
 366 {
 367         gpio_set_value(GPIO84_HX4700_LCD_SQN, 1);
 368         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
 369         gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
 370         gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 0);
 371         gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
 372         mdelay(10);
 373         gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
 374         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
 375         mdelay(20);
 376
 377         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 1);
 378         mdelay(5);
 379         gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 1);
 380
 381         /* FIXME: init w3220 registers here */
 382
 383         mdelay(5);
 384         gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 1);
 385         mdelay(10);
 386         gpio_set_value(GPIO62_HX4700_LCD_nRESET, 1);
 387         mdelay(10);
 388         gpio_set_value(GPIO59_HX4700_LCD_PC1, 1);
 389         mdelay(10);
 390         gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 1);
 391 }
 392
 393 static void sony_lcd_off(void)
 394 {
 395         gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
 396         gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
 397         mdelay(10);
 398         gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 0);
 399         mdelay(10);
 400         gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
 401         mdelay(10);
 402         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
 403 }
 404
 405 #ifdef CONFIG_PM
 406 static void w3220_lcd_suspend(struct w100fb_par *wfb)
 407 {
 408         sony_lcd_off();
 409 }
 410
 411 static void w3220_lcd_resume(struct w100fb_par *wfb)
 412 {
 413         sony_lcd_init();
 414 }
 415 #else
 416 #define w3220_lcd_resume        NULL
 417 #define w3220_lcd_suspend       NULL
 418 #endif
 419
 420 static struct w100_tg_info w3220_tg_info = {
 421         .suspend        = w3220_lcd_suspend,
 422         .resume         = w3220_lcd_resume,
 423 };
 424
 425 /*                               W3220_VGA              QVGA */
 426 static struct w100_gen_regs w3220_regs = {
 427         .lcd_format =        0x00000003,
 428         .lcdd_cntl1 =        0x00000000,
 429         .lcdd_cntl2 =        0x0003ffff,
 430         .genlcd_cntl1 =      0x00abf003,        /* 0x00fff003 */
 431         .genlcd_cntl2 =      0x00000003,
 432         .genlcd_cntl3 =      0x000102aa,
 433 };
 434
 435 static struct w100_mode w3220_modes[] = {
 436 {
 437         .xres           = 480,
 438         .yres           = 640,
 439         .left_margin    = 15,
 440         .right_margin   = 16,
 441         .upper_margin   = 8,
 442         .lower_margin   = 7,
 443         .crtc_ss        = 0x00000000,
 444         .crtc_ls        = 0xa1ff01f9,   /* 0x21ff01f9 */
 445         .crtc_gs        = 0xc0000000,   /* 0x40000000 */
 446         .crtc_vpos_gs   = 0x0000028f,
 447         .crtc_ps1_active = 0x00000000,  /* 0x41060010 */
 448         .crtc_rev       = 0,
 449         .crtc_dclk      = 0x80000000,
 450         .crtc_gclk      = 0x040a0104,
 451         .crtc_goe       = 0,
 452         .pll_freq       = 95,
 453         .pixclk_divider = 4,
 454         .pixclk_divider_rotated = 4,
 455         .pixclk_src     = CLK_SRC_PLL,
 456         .sysclk_divider = 0,
 457         .sysclk_src     = CLK_SRC_PLL,
 458 },
 459 {
 460         .xres           = 240,
 461         .yres           = 320,
 462         .left_margin    = 9,
 463         .right_margin   = 8,
 464         .upper_margin   = 5,
 465         .lower_margin   = 4,
 466         .crtc_ss        = 0x80150014,
 467         .crtc_ls        = 0xa0fb00f7,
 468         .crtc_gs        = 0xc0080007,
 469         .crtc_vpos_gs   = 0x00080007,
 470         .crtc_rev       = 0x0000000a,
 471         .crtc_dclk      = 0x81700030,
 472         .crtc_gclk      = 0x8015010f,
 473         .crtc_goe       = 0x00000000,
 474         .pll_freq       = 95,
 475         .pixclk_divider = 4,
 476         .pixclk_divider_rotated = 4,
 477         .pixclk_src     = CLK_SRC_PLL,
 478         .sysclk_divider = 0,
 479         .sysclk_src     = CLK_SRC_PLL,
 480 },
 481 };
 482
 483 struct w100_mem_info w3220_mem_info = {
 484         .ext_cntl        = 0x09640011,
 485         .sdram_mode_reg  = 0x00600021,
 486         .ext_timing_cntl = 0x1a001545,  /* 0x15001545 */
 487         .io_cntl         = 0x7ddd7333,
 488         .size            = 0x1fffff,
 489 };
 490
 491 struct w100_bm_mem_info w3220_bm_mem_info = {
 492         .ext_mem_bw = 0x50413e01,
 493         .offset = 0,
 494         .ext_timing_ctl = 0x00043f7f,
 495         .ext_cntl = 0x00000010,
 496         .mode_reg = 0x00250000,
 497         .io_cntl = 0x0fff0000,
 498         .config = 0x08301480,
 499 };
 500
 501 static struct w100_gpio_regs w3220_gpio_info = {
 502         .init_data1 = 0xdfe00100,       /* GPIO_DATA */
 503         .gpio_dir1  = 0xffff0000,       /* GPIO_CNTL1 */
 504         .gpio_oe1   = 0x00000000,       /* GPIO_CNTL2 */
 505         .init_data2 = 0x00000000,       /* GPIO_DATA2 */
 506         .gpio_dir2  = 0x00000000,       /* GPIO_CNTL3 */
 507         .gpio_oe2   = 0x00000000,       /* GPIO_CNTL4 */
 508 };
 509
 510 static struct w100fb_mach_info w3220_info = {
 511         .tg        = &w3220_tg_info,
 512         .mem       = &w3220_mem_info,
 513         .bm_mem    = &w3220_bm_mem_info,
 514         .gpio      = &w3220_gpio_info,
 515         .regs      = &w3220_regs,
 516         .modelist  = w3220_modes,
 517         .num_modes = 2,
 518         .xtal_freq = 16000000,
 519 };
 520
 521 static struct resource w3220_resources[] = {
 522         [0] = DEFINE_RES_MEM(ATI_W3220_PHYS, SZ_16M),
 523 };
 524
 525 static struct platform_device w3220 = {
 526         .name   = "w100fb",
 527         .id     = -1,
 528         .dev    = {
 529                 .platform_data = &w3220_info,
 530         },
 531         .num_resources = ARRAY_SIZE(w3220_resources),
 532         .resource      = w3220_resources,
 533 };
 534
 535 static void hx4700_lcd_set_power(struct plat_lcd_data *pd, unsigned int power)
 536 {
 537         if (power)
 538                 sony_lcd_init();
 539         else
 540                 sony_lcd_off();
 541 }
 542
 543 static struct plat_lcd_data hx4700_lcd_data = {
 544         .set_power = hx4700_lcd_set_power,
 545 };
 546
 547 static struct platform_device hx4700_lcd = {
 548         .name = "platform-lcd",
 549         .id   = -1,
 550         .dev  = {
 551                 .platform_data = &hx4700_lcd_data,
 552                 .parent        = &w3220.dev,
 553         },
 554 };
 555
 556 /*
 557  * Backlight
 558  */
 559
 560 static struct platform_pwm_backlight_data backlight_data = {
 561         .max_brightness = 200,
 562         .dft_brightness = 100,
 563         .enable_gpio    = -1,
 564 };
 565
 566 static struct platform_device backlight = {
 567         .name = "pwm-backlight",
 568         .id   = -1,
 569         .dev  = {
 570                 .parent        = &pxa27x_device_pwm1.dev,
 571                 .platform_data = &backlight_data,
 572         },
 573 };
 574
 575 static struct pwm_lookup hx4700_pwm_lookup[] = {
 576         PWM_LOOKUP("pxa27x-pwm.1", 0, "pwm-backlight", NULL,
 577                    30923, PWM_POLARITY_NORMAL),
 578 };
 579
 580 /*
 581  * USB "Transceiver"
 582  */
 583
 584 static struct gpio_vbus_mach_info gpio_vbus_info = {
 585         .gpio_pullup        = GPIO76_HX4700_USBC_PUEN,
 586         .gpio_vbus          = GPIOD14_nUSBC_DETECT,
 587         .gpio_vbus_inverted = 1,
 588 };
 589
 590 static struct platform_device gpio_vbus = {
 591         .name          = "gpio-vbus",
 592         .id            = -1,
 593         .dev = {
 594                 .platform_data = &gpio_vbus_info,
 595         },
 596 };
 597
 598 static struct pxa2xx_udc_mach_info hx4700_udc_info;
 599
 600 /*
 601  * Touchscreen - TSC2046 connected to SSP2
 602  */
 603
 604 static const struct ads7846_platform_data tsc2046_info = {
 605         .model            = 7846,
 606         .vref_delay_usecs = 100,
 607         .pressure_max     = 1024,
 608         .debounce_max     = 10,
 609         .debounce_tol     = 3,
 610         .debounce_rep     = 1,
 611         .gpio_pendown     = GPIO58_HX4700_TSC2046_nPENIRQ,
 612 };
 613
 614 static struct pxa2xx_spi_chip tsc2046_chip = {
 615         .tx_threshold = 1,
 616         .rx_threshold = 2,
 617         .timeout      = 64,
 618         .gpio_cs      = GPIO88_HX4700_TSC2046_CS,
 619 };
 620
 621 static struct spi_board_info tsc2046_board_info[] __initdata = {
 622         {
 623                 .modalias        = "ads7846",
 624                 .bus_num         = 2,
 625                 .max_speed_hz    = 2600000, /* 100 kHz sample rate */
 626                 .irq             = PXA_GPIO_TO_IRQ(GPIO58_HX4700_TSC2046_nPENIRQ),
 627                 .platform_data   = &tsc2046_info,
 628                 .controller_data = &tsc2046_chip,
 629         },
 630 };
 631
 632 static struct pxa2xx_spi_master pxa_ssp2_master_info = {
 633         .num_chipselect = 1,
 634         .enable_dma     = 1,
 635 };
 636
 637 /*
 638  * External power
 639  */
 640
 641 static int power_supply_init(struct device *dev)
 642 {
 643         return gpio_request(GPIOD9_nAC_IN, "AC charger detect");
 644 }
 645
 646 static int hx4700_is_ac_online(void)
 647 {
 648         return !gpio_get_value(GPIOD9_nAC_IN);
 649 }
 650
 651 static void power_supply_exit(struct device *dev)
 652 {
 653         gpio_free(GPIOD9_nAC_IN);
 654 }
 655
 656 static char *hx4700_supplicants[] = {
 657         "ds2760-battery.0", "backup-battery"
 658 };
 659
 660 static struct pda_power_pdata power_supply_info = {
 661         .init            = power_supply_init,
 662         .is_ac_online    = hx4700_is_ac_online,
 663         .exit            = power_supply_exit,
 664         .supplied_to     = hx4700_supplicants,
 665         .num_supplicants = ARRAY_SIZE(hx4700_supplicants),
 666 };
 667
 668 static struct resource power_supply_resources[] = {
 669         [0] = DEFINE_RES_NAMED(PXA_GPIO_TO_IRQ(GPIOD9_nAC_IN), 1, "ac",
 670                 IORESOURCE_IRQ |
 671                 IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE),
 672         [1] = DEFINE_RES_NAMED(PXA_GPIO_TO_IRQ(GPIOD14_nUSBC_DETECT), 1, "usb",
 673                 IORESOURCE_IRQ |
 674                 IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE),
 675 };
 676
 677 static struct platform_device power_supply = {
 678         .name = "pda-power",
 679         .id   = -1,
 680         .dev  = {
 681                 .platform_data = &power_supply_info,
 682         },
 683         .resource      = power_supply_resources,
 684         .num_resources = ARRAY_SIZE(power_supply_resources),
 685 };
 686
 687 /*
 688  * Battery charger
 689  */
 690
 691 static struct regulator_consumer_supply bq24022_consumers[] = {
 692         REGULATOR_SUPPLY("vbus_draw", NULL),
 693         REGULATOR_SUPPLY("ac_draw", NULL),
 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         REGULATOR_SUPPLY("vcc_core", NULL);
 774
 775 static struct regulator_init_data max1587a_v3_info = {
 776         .constraints = {
 777                 .name = "vcc_core range",
 778                 .min_uV =  900000,
 779                 .max_uV = 1705000,
 780                 .always_on = 1,
 781                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 782         },
 783         .num_consumer_supplies = 1,
 784         .consumer_supplies     = &max1587a_consumer,
 785 };
 786
 787 static struct max1586_subdev_data max1587a_subdev = {
 788         .name = "vcc_core",
 789         .id   = MAX1586_V3,
 790         .platform_data = &max1587a_v3_info,
 791 };
 792
 793 static struct max1586_platform_data max1587a_info = {
 794         .num_subdevs = 1,
 795         .subdevs     = &max1587a_subdev,
 796         .v3_gain     = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
 797 };
 798
 799 static struct i2c_board_info __initdata pi2c_board_info[] = {
 800         {
 801                 I2C_BOARD_INFO("max1586", 0x14),
 802                 .platform_data = &max1587a_info,
 803         },
 804 };
 805
 806 /*
 807  * Asahi Kasei AK4641 on I2C
 808  */
 809
 810 static struct ak4641_platform_data ak4641_info = {
 811         .gpio_power = GPIO27_HX4700_CODEC_ON,
 812         .gpio_npdn  = GPIO109_HX4700_CODEC_nPDN,
 813 };
 814
 815 static struct i2c_board_info i2c_board_info[] __initdata = {
 816         {
 817                 I2C_BOARD_INFO("ak4641", 0x12),
 818                 .platform_data = &ak4641_info,
 819         },
 820 };
 821
 822 static struct platform_device audio = {
 823         .name   = "hx4700-audio",
 824         .id     = -1,
 825 };
 826
 827
 828 /*
 829  * Platform devices
 830  */
 831
 832 static struct platform_device *devices[] __initdata = {
 833         &asic3,
 834         &gpio_keys,
 835         &navpoint,
 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         { GPIO61_HX4700_W3220_nRESET,     GPIOF_OUT_INIT_HIGH, "W3220_nRESET" },
 859         { GPIO71_HX4700_ASIC3_nRESET,     GPIOF_OUT_INIT_HIGH, "ASIC3_nRESET" },
 860         { GPIO81_HX4700_CPU_GP_nRESET,    GPIOF_OUT_INIT_HIGH, "CPU_GP_nRESET" },
 861         { GPIO82_HX4700_EUART_RESET,      GPIOF_OUT_INIT_HIGH, "EUART_RESET" },
 862         { GPIO116_HX4700_CPU_HW_nRESET,   GPIOF_OUT_INIT_HIGH, "CPU_HW_nRESET" },
 863 };
 864
 865 static void __init hx4700_init(void)
 866 {
 867         int ret;
 868
 869         PCFR = PCFR_GPR_EN | PCFR_OPDE;
 870
 871         pxa2xx_mfp_config(ARRAY_AND_SIZE(hx4700_pin_config));
 872         gpio_set_wake(GPIO12_HX4700_ASIC3_IRQ, 1);
 873         ret = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
 874         if (ret)
 875                 pr_err ("hx4700: Failed to request GPIOs.\n");
 876
 877         pxa_set_ffuart_info(NULL);
 878         pxa_set_btuart_info(NULL);
 879         pxa_set_stuart_info(NULL);
 880
 881         platform_add_devices(devices, ARRAY_SIZE(devices));
 882         pwm_add_table(hx4700_pwm_lookup, ARRAY_SIZE(hx4700_pwm_lookup));
 883
 884         pxa_set_ficp_info(&ficp_info);
 885         pxa27x_set_i2c_power_info(NULL);
 886         pxa_set_i2c_info(NULL);
 887         i2c_register_board_info(0, ARRAY_AND_SIZE(i2c_board_info));
 888         i2c_register_board_info(1, ARRAY_AND_SIZE(pi2c_board_info));
 889         pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
 890         spi_register_board_info(ARRAY_AND_SIZE(tsc2046_board_info));
 891
 892         gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 0);
 893         mdelay(10);
 894         gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 1);
 895         mdelay(10);
 896
 897         pxa_set_udc_info(&hx4700_udc_info);
 898         regulator_has_full_constraints();
 899 }
 900
 901 MACHINE_START(H4700, "HP iPAQ HX4700")
 902         .atag_offset  = 0x100,
 903         .map_io       = pxa27x_map_io,
 904         .nr_irqs      = HX4700_NR_IRQS,
 905         .init_irq     = pxa27x_init_irq,
 906         .handle_irq     = pxa27x_handle_irq,
 907         .init_machine = hx4700_init,
 908         .init_time      = pxa_timer_init,
 909         .restart        = pxa_restart,
 910 MACHINE_END