arch/arm/mach-pxa/hx4700.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Support for HP iPAQ hx4700 PDAs.
   4  *
   5  * Copyright (c) 2008-2009 Philipp Zabel
   6  *
   7  * Based on code:
   8  *    Copyright (c) 2004 Hewlett-Packard Company.
   9  *    Copyright (c) 2005 SDG Systems, LLC
  10  *    Copyright (c) 2006 Anton Vorontsov <cbou@mail.ru>
  11  */
  12
  13 #include <linux/kernel.h>
  14 #include <linux/init.h>
  15 #include <linux/platform_device.h>
  16 #include <linux/delay.h>
  17 #include <linux/fb.h>
  18 #include <linux/gpio/machine.h>
  19 #include <linux/gpio.h>
  20 #include <linux/gpio_keys.h>
  21 #include <linux/input.h>
  22 #include <linux/input/navpoint.h>
  23 #include <linux/lcd.h>
  24 #include <linux/mfd/asic3.h>
  25 #include <linux/mtd/physmap.h>
  26 #include <linux/pda_power.h>
  27 #include <linux/platform_data/gpio-htc-egpio.h>
  28 #include <linux/pwm.h>
  29 #include <linux/pwm_backlight.h>
  30 #include <linux/regulator/driver.h>
  31 #include <linux/regulator/gpio-regulator.h>
  32 #include <linux/regulator/machine.h>
  33 #include <linux/regulator/max1586.h>
  34 #include <linux/spi/ads7846.h>
  35 #include <linux/spi/spi.h>
  36 #include <linux/spi/pxa2xx_spi.h>
  37 #include <linux/platform_data/i2c-pxa.h>
  38
  39 #include <mach/hardware.h>
  40 #include <asm/mach-types.h>
  41 #include <asm/mach/arch.h>
  42
  43 #include "pxa27x.h"
  44 #include <mach/hx4700.h>
  45 #include <linux/platform_data/irda-pxaficp.h>
  46
  47 #include <sound/ak4641.h>
  48 #include <video/platform_lcd.h>
  49 #include <video/w100fb.h>
  50
  51 #include "devices.h"
  52 #include "generic.h"
  53 #include "udc.h"
  54
  55 /* Physical address space information */
  56
  57 #define ATI_W3220_PHYS  PXA_CS2_PHYS /* ATI Imageon 3220 Graphics */
  58 #define ASIC3_PHYS      PXA_CS3_PHYS
  59 #define ASIC3_SD_PHYS   (PXA_CS3_PHYS + 0x02000000)
  60
  61 static unsigned long hx4700_pin_config[] __initdata = {
  62
  63         /* SDRAM and Static Memory I/O Signals */
  64         GPIO20_nSDCS_2,
  65         GPIO21_nSDCS_3,
  66         GPIO15_nCS_1,
  67         GPIO78_nCS_2,   /* W3220 */
  68         GPIO79_nCS_3,   /* ASIC3 */
  69         GPIO80_nCS_4,
  70         GPIO33_nCS_5,   /* EGPIO, WLAN */
  71
  72         /* PC CARD */
  73         GPIO48_nPOE,
  74         GPIO49_nPWE,
  75         GPIO50_nPIOR,
  76         GPIO51_nPIOW,
  77         GPIO54_nPCE_2,
  78         GPIO55_nPREG,
  79         GPIO56_nPWAIT,
  80         GPIO57_nIOIS16,
  81         GPIO85_nPCE_1,
  82         GPIO104_PSKTSEL,
  83
  84         /* I2C */
  85         GPIO117_I2C_SCL,
  86         GPIO118_I2C_SDA,
  87
  88         /* FFUART (RS-232) */
  89         GPIO34_FFUART_RXD,
  90         GPIO35_FFUART_CTS,
  91         GPIO36_FFUART_DCD,
  92         GPIO37_FFUART_DSR,
  93         GPIO38_FFUART_RI,
  94         GPIO39_FFUART_TXD,
  95         GPIO40_FFUART_DTR,
  96         GPIO41_FFUART_RTS,
  97
  98         /* BTUART */
  99         GPIO42_BTUART_RXD,
 100         GPIO43_BTUART_TXD_LPM_LOW,
 101         GPIO44_BTUART_CTS,
 102         GPIO45_BTUART_RTS_LPM_LOW,
 103
 104         /* STUART (IRDA) */
 105         GPIO46_STUART_RXD,
 106         GPIO47_STUART_TXD,
 107
 108         /* PWM 1 (Backlight) */
 109         GPIO17_PWM1_OUT,
 110
 111         /* I2S */
 112         GPIO28_I2S_BITCLK_OUT,
 113         GPIO29_I2S_SDATA_IN,
 114         GPIO30_I2S_SDATA_OUT,
 115         GPIO31_I2S_SYNC,
 116         GPIO113_I2S_SYSCLK,
 117
 118         /* SSP 1 (NavPoint) */
 119         GPIO23_SSP1_SCLK_IN,
 120         GPIO24_SSP1_SFRM,
 121         GPIO25_SSP1_TXD,
 122         GPIO26_SSP1_RXD,
 123
 124         /* SSP 2 (TSC2046) */
 125         GPIO19_SSP2_SCLK,
 126         GPIO86_SSP2_RXD,
 127         GPIO87_SSP2_TXD,
 128         GPIO88_GPIO | MFP_LPM_DRIVE_HIGH,       /* TSC2046_CS */
 129
 130         /* BQ24022 Regulator */
 131         GPIO72_GPIO | MFP_LPM_KEEP_OUTPUT,      /* BQ24022_nCHARGE_EN */
 132         GPIO96_GPIO | MFP_LPM_KEEP_OUTPUT,      /* BQ24022_ISET2 */
 133
 134         /* HX4700 specific input GPIOs */
 135         GPIO12_GPIO | WAKEUP_ON_EDGE_RISE,      /* ASIC3_IRQ */
 136         GPIO13_GPIO,    /* W3220_IRQ */
 137         GPIO14_GPIO,    /* nWLAN_IRQ */
 138
 139         /* HX4700 specific output GPIOs */
 140         GPIO61_GPIO | MFP_LPM_DRIVE_HIGH,       /* W3220_nRESET */
 141         GPIO71_GPIO | MFP_LPM_DRIVE_HIGH,       /* ASIC3_nRESET */
 142         GPIO81_GPIO | MFP_LPM_DRIVE_HIGH,       /* CPU_GP_nRESET */
 143         GPIO116_GPIO | MFP_LPM_DRIVE_HIGH,      /* CPU_HW_nRESET */
 144         GPIO102_GPIO | MFP_LPM_DRIVE_LOW,       /* SYNAPTICS_POWER_ON */
 145
 146         GPIO10_GPIO,    /* GSM_IRQ */
 147         GPIO13_GPIO,    /* CPLD_IRQ */
 148         GPIO107_GPIO,   /* DS1WM_IRQ */
 149         GPIO108_GPIO,   /* GSM_READY */
 150         GPIO58_GPIO,    /* TSC2046_nPENIRQ */
 151         GPIO66_GPIO,    /* nSDIO_IRQ */
 152 };
 153
 154 /*
 155  * IRDA
 156  */
 157
 158 static struct pxaficp_platform_data ficp_info = {
 159         .gpio_pwdown            = GPIO105_HX4700_nIR_ON,
 160         .transceiver_cap        = IR_SIRMODE | IR_OFF,
 161 };
 162
 163 /*
 164  * GPIO Keys
 165  */
 166
 167 #define INIT_KEY(_code, _gpio, _active_low, _desc)      \
 168         {                                               \
 169                 .code       = KEY_##_code,              \
 170                 .gpio       = _gpio,                    \
 171                 .active_low = _active_low,              \
 172                 .desc       = _desc,                    \
 173                 .type       = EV_KEY,                   \
 174                 .wakeup     = 1,                        \
 175         }
 176
 177 static struct gpio_keys_button gpio_keys_buttons[] = {
 178         INIT_KEY(POWER,       GPIO0_HX4700_nKEY_POWER,   1, "Power button"),
 179         INIT_KEY(MAIL,        GPIO94_HX4700_KEY_MAIL,    0, "Mail button"),
 180         INIT_KEY(ADDRESSBOOK, GPIO99_HX4700_KEY_CONTACTS,0, "Contacts button"),
 181         INIT_KEY(RECORD,      GPIOD6_nKEY_RECORD,        1, "Record button"),
 182         INIT_KEY(CALENDAR,    GPIOD1_nKEY_CALENDAR,      1, "Calendar button"),
 183         INIT_KEY(HOMEPAGE,    GPIOD3_nKEY_HOME,          1, "Home button"),
 184 };
 185
 186 static struct gpio_keys_platform_data gpio_keys_data = {
 187         .buttons = gpio_keys_buttons,
 188         .nbuttons = ARRAY_SIZE(gpio_keys_buttons),
 189 };
 190
 191 static struct platform_device gpio_keys = {
 192         .name = "gpio-keys",
 193         .dev  = {
 194                 .platform_data = &gpio_keys_data,
 195         },
 196         .id   = -1,
 197 };
 198
 199 /*
 200  * Synaptics NavPoint connected to SSP1
 201  */
 202
 203 static struct navpoint_platform_data navpoint_platform_data = {
 204         .port   = 1,
 205         .gpio   = GPIO102_HX4700_SYNAPTICS_POWER_ON,
 206 };
 207
 208 static struct platform_device navpoint = {
 209         .name   = "navpoint",
 210         .id     = -1,
 211         .dev = {
 212                 .platform_data = &navpoint_platform_data,
 213         },
 214 };
 215
 216 /*
 217  * ASIC3
 218  */
 219
 220 static u16 asic3_gpio_config[] = {
 221         /* ASIC3 GPIO banks A and B along with some of C and D
 222            implement the buffering for the CF slot. */
 223         ASIC3_CONFIG_GPIO(0, 1, 1, 0),
 224         ASIC3_CONFIG_GPIO(1, 1, 1, 0),
 225         ASIC3_CONFIG_GPIO(2, 1, 1, 0),
 226         ASIC3_CONFIG_GPIO(3, 1, 1, 0),
 227         ASIC3_CONFIG_GPIO(4, 1, 1, 0),
 228         ASIC3_CONFIG_GPIO(5, 1, 1, 0),
 229         ASIC3_CONFIG_GPIO(6, 1, 1, 0),
 230         ASIC3_CONFIG_GPIO(7, 1, 1, 0),
 231         ASIC3_CONFIG_GPIO(8, 1, 1, 0),
 232         ASIC3_CONFIG_GPIO(9, 1, 1, 0),
 233         ASIC3_CONFIG_GPIO(10, 1, 1, 0),
 234         ASIC3_CONFIG_GPIO(11, 1, 1, 0),
 235         ASIC3_CONFIG_GPIO(12, 1, 1, 0),
 236         ASIC3_CONFIG_GPIO(13, 1, 1, 0),
 237         ASIC3_CONFIG_GPIO(14, 1, 1, 0),
 238         ASIC3_CONFIG_GPIO(15, 1, 1, 0),
 239
 240         ASIC3_CONFIG_GPIO(16, 1, 1, 0),
 241         ASIC3_CONFIG_GPIO(17, 1, 1, 0),
 242         ASIC3_CONFIG_GPIO(18, 1, 1, 0),
 243         ASIC3_CONFIG_GPIO(19, 1, 1, 0),
 244         ASIC3_CONFIG_GPIO(20, 1, 1, 0),
 245         ASIC3_CONFIG_GPIO(21, 1, 1, 0),
 246         ASIC3_CONFIG_GPIO(22, 1, 1, 0),
 247         ASIC3_CONFIG_GPIO(23, 1, 1, 0),
 248         ASIC3_CONFIG_GPIO(24, 1, 1, 0),
 249         ASIC3_CONFIG_GPIO(25, 1, 1, 0),
 250         ASIC3_CONFIG_GPIO(26, 1, 1, 0),
 251         ASIC3_CONFIG_GPIO(27, 1, 1, 0),
 252         ASIC3_CONFIG_GPIO(28, 1, 1, 0),
 253         ASIC3_CONFIG_GPIO(29, 1, 1, 0),
 254         ASIC3_CONFIG_GPIO(30, 1, 1, 0),
 255         ASIC3_CONFIG_GPIO(31, 1, 1, 0),
 256
 257         /* GPIOC - CF, LEDs, SD */
 258         ASIC3_GPIOC0_LED0,              /* red */
 259         ASIC3_GPIOC1_LED1,              /* green */
 260         ASIC3_GPIOC2_LED2,              /* blue */
 261         ASIC3_GPIOC5_nCIOW,
 262         ASIC3_GPIOC6_nCIOR,
 263         ASIC3_GPIOC7_nPCE_1,
 264         ASIC3_GPIOC8_nPCE_2,
 265         ASIC3_GPIOC9_nPOE,
 266         ASIC3_GPIOC10_nPWE,
 267         ASIC3_GPIOC11_PSKTSEL,
 268         ASIC3_GPIOC12_nPREG,
 269         ASIC3_GPIOC13_nPWAIT,
 270         ASIC3_GPIOC14_nPIOIS16,
 271         ASIC3_GPIOC15_nPIOR,
 272
 273         /* GPIOD: input GPIOs, CF */
 274         ASIC3_GPIOD4_CF_nCD,
 275         ASIC3_GPIOD11_nCIOIS16,
 276         ASIC3_GPIOD12_nCWAIT,
 277         ASIC3_GPIOD15_nPIOW,
 278 };
 279
 280 static struct asic3_led asic3_leds[ASIC3_NUM_LEDS] = {
 281         [0] = {
 282                 .name = "hx4700:amber",
 283                 .default_trigger = "ds2760-battery.0-charging-blink-full-solid",
 284         },
 285         [1] = {
 286                 .name = "hx4700:green",
 287                 .default_trigger = "unused",
 288         },
 289         [2] = {
 290                 .name = "hx4700:blue",
 291                 .default_trigger = "hx4700-radio",
 292         },
 293 };
 294
 295 static struct resource asic3_resources[] = {
 296         /* GPIO part */
 297         [0] = DEFINE_RES_MEM(ASIC3_PHYS, ASIC3_MAP_SIZE_16BIT),
 298         [1] = DEFINE_RES_IRQ(PXA_GPIO_TO_IRQ(GPIO12_HX4700_ASIC3_IRQ)),
 299         /* SD part */
 300         [2] = DEFINE_RES_MEM(ASIC3_SD_PHYS, ASIC3_MAP_SIZE_16BIT),
 301         [3] = DEFINE_RES_IRQ(PXA_GPIO_TO_IRQ(GPIO66_HX4700_ASIC3_nSDIO_IRQ)),
 302 };
 303
 304 static struct asic3_platform_data asic3_platform_data = {
 305         .gpio_config     = asic3_gpio_config,
 306         .gpio_config_num = ARRAY_SIZE(asic3_gpio_config),
 307         .irq_base        = IRQ_BOARD_START,
 308         .gpio_base       = HX4700_ASIC3_GPIO_BASE,
 309         .clock_rate      = 4000000,
 310         .leds            = asic3_leds,
 311 };
 312
 313 static struct platform_device asic3 = {
 314         .name          = "asic3",
 315         .id            = -1,
 316         .resource      = asic3_resources,
 317         .num_resources = ARRAY_SIZE(asic3_resources),
 318         .dev = {
 319                 .platform_data = &asic3_platform_data,
 320         },
 321 };
 322
 323 /*
 324  * EGPIO
 325  */
 326
 327 static struct resource egpio_resources[] = {
 328         [0] = DEFINE_RES_MEM(PXA_CS5_PHYS, 0x4),
 329 };
 330
 331 static struct htc_egpio_chip egpio_chips[] = {
 332         [0] = {
 333                 .reg_start = 0,
 334                 .gpio_base = HX4700_EGPIO_BASE,
 335                 .num_gpios = 8,
 336                 .direction = HTC_EGPIO_OUTPUT,
 337         },
 338 };
 339
 340 static struct htc_egpio_platform_data egpio_info = {
 341         .reg_width = 16,
 342         .bus_width = 16,
 343         .chip      = egpio_chips,
 344         .num_chips = ARRAY_SIZE(egpio_chips),
 345 };
 346
 347 static struct platform_device egpio = {
 348         .name          = "htc-egpio",
 349         .id            = -1,
 350         .resource      = egpio_resources,
 351         .num_resources = ARRAY_SIZE(egpio_resources),
 352         .dev = {
 353                 .platform_data = &egpio_info,
 354         },
 355 };
 356
 357 /*
 358  * LCD - Sony display connected to ATI Imageon w3220
 359  */
 360
 361 static void sony_lcd_init(void)
 362 {
 363         gpio_set_value(GPIO84_HX4700_LCD_SQN, 1);
 364         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
 365         gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
 366         gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 0);
 367         gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
 368         mdelay(10);
 369         gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
 370         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
 371         mdelay(20);
 372
 373         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 1);
 374         mdelay(5);
 375         gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 1);
 376
 377         /* FIXME: init w3220 registers here */
 378
 379         mdelay(5);
 380         gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 1);
 381         mdelay(10);
 382         gpio_set_value(GPIO62_HX4700_LCD_nRESET, 1);
 383         mdelay(10);
 384         gpio_set_value(GPIO59_HX4700_LCD_PC1, 1);
 385         mdelay(10);
 386         gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 1);
 387 }
 388
 389 static void sony_lcd_off(void)
 390 {
 391         gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
 392         gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
 393         mdelay(10);
 394         gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 0);
 395         mdelay(10);
 396         gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
 397         mdelay(10);
 398         gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
 399 }
 400
 401 #ifdef CONFIG_PM
 402 static void w3220_lcd_suspend(struct w100fb_par *wfb)
 403 {
 404         sony_lcd_off();
 405 }
 406
 407 static void w3220_lcd_resume(struct w100fb_par *wfb)
 408 {
 409         sony_lcd_init();
 410 }
 411 #else
 412 #define w3220_lcd_resume        NULL
 413 #define w3220_lcd_suspend       NULL
 414 #endif
 415
 416 static struct w100_tg_info w3220_tg_info = {
 417         .suspend        = w3220_lcd_suspend,
 418         .resume         = w3220_lcd_resume,
 419 };
 420
 421 /*                               W3220_VGA              QVGA */
 422 static struct w100_gen_regs w3220_regs = {
 423         .lcd_format =        0x00000003,
 424         .lcdd_cntl1 =        0x00000000,
 425         .lcdd_cntl2 =        0x0003ffff,
 426         .genlcd_cntl1 =      0x00abf003,        /* 0x00fff003 */
 427         .genlcd_cntl2 =      0x00000003,
 428         .genlcd_cntl3 =      0x000102aa,
 429 };
 430
 431 static struct w100_mode w3220_modes[] = {
 432 {
 433         .xres           = 480,
 434         .yres           = 640,
 435         .left_margin    = 15,
 436         .right_margin   = 16,
 437         .upper_margin   = 8,
 438         .lower_margin   = 7,
 439         .crtc_ss        = 0x00000000,
 440         .crtc_ls        = 0xa1ff01f9,   /* 0x21ff01f9 */
 441         .crtc_gs        = 0xc0000000,   /* 0x40000000 */
 442         .crtc_vpos_gs   = 0x0000028f,
 443         .crtc_ps1_active = 0x00000000,  /* 0x41060010 */
 444         .crtc_rev       = 0,
 445         .crtc_dclk      = 0x80000000,
 446         .crtc_gclk      = 0x040a0104,
 447         .crtc_goe       = 0,
 448         .pll_freq       = 95,
 449         .pixclk_divider = 4,
 450         .pixclk_divider_rotated = 4,
 451         .pixclk_src     = CLK_SRC_PLL,
 452         .sysclk_divider = 0,
 453         .sysclk_src     = CLK_SRC_PLL,
 454 },
 455 {
 456         .xres           = 240,
 457         .yres           = 320,
 458         .left_margin    = 9,
 459         .right_margin   = 8,
 460         .upper_margin   = 5,
 461         .lower_margin   = 4,
 462         .crtc_ss        = 0x80150014,
 463         .crtc_ls        = 0xa0fb00f7,
 464         .crtc_gs        = 0xc0080007,
 465         .crtc_vpos_gs   = 0x00080007,
 466         .crtc_rev       = 0x0000000a,
 467         .crtc_dclk      = 0x81700030,
 468         .crtc_gclk      = 0x8015010f,
 469         .crtc_goe       = 0x00000000,
 470         .pll_freq       = 95,
 471         .pixclk_divider = 4,
 472         .pixclk_divider_rotated = 4,
 473         .pixclk_src     = CLK_SRC_PLL,
 474         .sysclk_divider = 0,
 475         .sysclk_src     = CLK_SRC_PLL,
 476 },
 477 };
 478
 479 struct w100_mem_info w3220_mem_info = {
 480         .ext_cntl        = 0x09640011,
 481         .sdram_mode_reg  = 0x00600021,
 482         .ext_timing_cntl = 0x1a001545,  /* 0x15001545 */
 483         .io_cntl         = 0x7ddd7333,
 484         .size            = 0x1fffff,
 485 };
 486
 487 struct w100_bm_mem_info w3220_bm_mem_info = {
 488         .ext_mem_bw = 0x50413e01,
 489         .offset = 0,
 490         .ext_timing_ctl = 0x00043f7f,
 491         .ext_cntl = 0x00000010,
 492         .mode_reg = 0x00250000,
 493         .io_cntl = 0x0fff0000,
 494         .config = 0x08301480,
 495 };
 496
 497 static struct w100_gpio_regs w3220_gpio_info = {
 498         .init_data1 = 0xdfe00100,       /* GPIO_DATA */
 499         .gpio_dir1  = 0xffff0000,       /* GPIO_CNTL1 */
 500         .gpio_oe1   = 0x00000000,       /* GPIO_CNTL2 */
 501         .init_data2 = 0x00000000,       /* GPIO_DATA2 */
 502         .gpio_dir2  = 0x00000000,       /* GPIO_CNTL3 */
 503         .gpio_oe2   = 0x00000000,       /* GPIO_CNTL4 */
 504 };
 505
 506 static struct w100fb_mach_info w3220_info = {
 507         .tg        = &w3220_tg_info,
 508         .mem       = &w3220_mem_info,
 509         .bm_mem    = &w3220_bm_mem_info,
 510         .gpio      = &w3220_gpio_info,
 511         .regs      = &w3220_regs,
 512         .modelist  = w3220_modes,
 513         .num_modes = 2,
 514         .xtal_freq = 16000000,
 515 };
 516
 517 static struct resource w3220_resources[] = {
 518         [0] = DEFINE_RES_MEM(ATI_W3220_PHYS, SZ_16M),
 519 };
 520
 521 static struct platform_device w3220 = {
 522         .name   = "w100fb",
 523         .id     = -1,
 524         .dev    = {
 525                 .platform_data = &w3220_info,
 526         },
 527         .num_resources = ARRAY_SIZE(w3220_resources),
 528         .resource      = w3220_resources,
 529 };
 530
 531 static void hx4700_lcd_set_power(struct plat_lcd_data *pd, unsigned int power)
 532 {
 533         if (power)
 534                 sony_lcd_init();
 535         else
 536                 sony_lcd_off();
 537 }
 538
 539 static struct plat_lcd_data hx4700_lcd_data = {
 540         .set_power = hx4700_lcd_set_power,
 541 };
 542
 543 static struct platform_device hx4700_lcd = {
 544         .name = "platform-lcd",
 545         .id   = -1,
 546         .dev  = {
 547                 .platform_data = &hx4700_lcd_data,
 548                 .parent        = &w3220.dev,
 549         },
 550 };
 551
 552 /*
 553  * Backlight
 554  */
 555
 556 static struct platform_pwm_backlight_data backlight_data = {
 557         .max_brightness = 200,
 558         .dft_brightness = 100,
 559 };
 560
 561 static struct platform_device backlight = {
 562         .name = "pwm-backlight",
 563         .id   = -1,
 564         .dev  = {
 565                 .parent        = &pxa27x_device_pwm1.dev,
 566                 .platform_data = &backlight_data,
 567         },
 568 };
 569
 570 static struct pwm_lookup hx4700_pwm_lookup[] = {
 571         PWM_LOOKUP("pxa27x-pwm.1", 0, "pwm-backlight", NULL,
 572                    30923, PWM_POLARITY_NORMAL),
 573 };
 574
 575 /*
 576  * USB "Transceiver"
 577  */
 578
 579 static struct gpiod_lookup_table gpio_vbus_gpiod_table = {
 580         .dev_id = "gpio-vbus",
 581         .table = {
 582                 /* This GPIO is on ASIC3 */
 583                 GPIO_LOOKUP("asic3",
 584                             /* Convert to a local offset on the ASIC3 */
 585                             GPIOD14_nUSBC_DETECT - HX4700_ASIC3_GPIO_BASE,
 586                             "vbus", GPIO_ACTIVE_LOW),
 587                 /* This one is on the primary SOC GPIO */
 588                 GPIO_LOOKUP("gpio-pxa", GPIO76_HX4700_USBC_PUEN,
 589                             "pullup", GPIO_ACTIVE_HIGH),
 590                 { },
 591         },
 592 };
 593
 594 static struct platform_device gpio_vbus = {
 595         .name          = "gpio-vbus",
 596         .id            = -1,
 597 };
 598
 599 static struct pxa2xx_udc_mach_info hx4700_udc_info;
 600
 601 /*
 602  * Touchscreen - TSC2046 connected to SSP2
 603  */
 604
 605 static const struct ads7846_platform_data tsc2046_info = {
 606         .model            = 7846,
 607         .vref_delay_usecs = 100,
 608         .pressure_max     = 1024,
 609         .debounce_max     = 10,
 610         .debounce_tol     = 3,
 611         .debounce_rep     = 1,
 612         .gpio_pendown     = GPIO58_HX4700_TSC2046_nPENIRQ,
 613 };
 614
 615 static struct pxa2xx_spi_chip tsc2046_chip = {
 616         .tx_threshold = 1,
 617         .rx_threshold = 2,
 618         .timeout      = 64,
 619         .gpio_cs      = GPIO88_HX4700_TSC2046_CS,
 620 };
 621
 622 static struct spi_board_info tsc2046_board_info[] __initdata = {
 623         {
 624                 .modalias        = "ads7846",
 625                 .bus_num         = 2,
 626                 .max_speed_hz    = 2600000, /* 100 kHz sample rate */
 627                 .irq             = PXA_GPIO_TO_IRQ(GPIO58_HX4700_TSC2046_nPENIRQ),
 628                 .platform_data   = &tsc2046_info,
 629                 .controller_data = &tsc2046_chip,
 630         },
 631 };
 632
 633 static struct pxa2xx_spi_controller pxa_ssp2_master_info = {
 634         .num_chipselect = 1,
 635         .enable_dma     = 1,
 636 };
 637
 638 /*
 639  * External power
 640  */
 641
 642 static int power_supply_init(struct device *dev)
 643 {
 644         return gpio_request(GPIOD9_nAC_IN, "AC charger detect");
 645 }
 646
 647 static int hx4700_is_ac_online(void)
 648 {
 649         return !gpio_get_value(GPIOD9_nAC_IN);
 650 }
 651
 652 static void power_supply_exit(struct device *dev)
 653 {
 654         gpio_free(GPIOD9_nAC_IN);
 655 }
 656
 657 static char *hx4700_supplicants[] = {
 658         "ds2760-battery.0", "backup-battery"
 659 };
 660
 661 static struct pda_power_pdata power_supply_info = {
 662         .init            = power_supply_init,
 663         .is_ac_online    = hx4700_is_ac_online,
 664         .exit            = power_supply_exit,
 665         .supplied_to     = hx4700_supplicants,
 666         .num_supplicants = ARRAY_SIZE(hx4700_supplicants),
 667 };
 668
 669 static struct resource power_supply_resources[] = {
 670         [0] = DEFINE_RES_NAMED(PXA_GPIO_TO_IRQ(GPIOD9_nAC_IN), 1, "ac",
 671                 IORESOURCE_IRQ |
 672                 IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE),
 673         [1] = DEFINE_RES_NAMED(PXA_GPIO_TO_IRQ(GPIOD14_nUSBC_DETECT), 1, "usb",
 674                 IORESOURCE_IRQ |
 675                 IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE),
 676 };
 677
 678 static struct platform_device power_supply = {
 679         .name = "pda-power",
 680         .id   = -1,
 681         .dev  = {
 682                 .platform_data = &power_supply_info,
 683         },
 684         .resource      = power_supply_resources,
 685         .num_resources = ARRAY_SIZE(power_supply_resources),
 686 };
 687
 688 /*
 689  * Battery charger
 690  */
 691
 692 static struct regulator_consumer_supply bq24022_consumers[] = {
 693         REGULATOR_SUPPLY("vbus_draw", NULL),
 694         REGULATOR_SUPPLY("ac_draw", NULL),
 695 };
 696
 697 static struct regulator_init_data bq24022_init_data = {
 698         .constraints = {
 699                 .max_uA         = 500000,
 700                 .valid_ops_mask = REGULATOR_CHANGE_CURRENT|REGULATOR_CHANGE_STATUS,
 701         },
 702         .num_consumer_supplies  = ARRAY_SIZE(bq24022_consumers),
 703         .consumer_supplies      = bq24022_consumers,
 704 };
 705
 706 static enum gpiod_flags bq24022_gpiod_gflags[] = { GPIOD_OUT_LOW };
 707
 708 static struct gpio_regulator_state bq24022_states[] = {
 709         { .value = 100000, .gpios = (0 << 0) },
 710         { .value = 500000, .gpios = (1 << 0) },
 711 };
 712
 713 static struct gpio_regulator_config bq24022_info = {
 714         .supply_name = "bq24022",
 715
 716         .enabled_at_boot = 0,
 717
 718         .gflags = bq24022_gpiod_gflags,
 719         .ngpios = ARRAY_SIZE(bq24022_gpiod_gflags),
 720
 721         .states = bq24022_states,
 722         .nr_states = ARRAY_SIZE(bq24022_states),
 723
 724         .type = REGULATOR_CURRENT,
 725         .init_data = &bq24022_init_data,
 726 };
 727
 728 static struct platform_device bq24022 = {
 729         .name = "gpio-regulator",
 730         .id   = -1,
 731         .dev  = {
 732                 .platform_data = &bq24022_info,
 733         },
 734 };
 735
 736 static struct gpiod_lookup_table bq24022_gpiod_table = {
 737         .dev_id = "gpio-regulator",
 738         .table = {
 739                 GPIO_LOOKUP("gpio-pxa", GPIO96_HX4700_BQ24022_ISET2,
 740                             NULL, GPIO_ACTIVE_HIGH),
 741                 GPIO_LOOKUP("gpio-pxa", GPIO72_HX4700_BQ24022_nCHARGE_EN,
 742                             "enable", GPIO_ACTIVE_LOW),
 743                 { },
 744         },
 745 };
 746
 747 /*
 748  * StrataFlash
 749  */
 750
 751 static void hx4700_set_vpp(struct platform_device *pdev, int vpp)
 752 {
 753         gpio_set_value(GPIO91_HX4700_FLASH_VPEN, vpp);
 754 }
 755
 756 static struct resource strataflash_resource[] = {
 757         [0] = DEFINE_RES_MEM(PXA_CS0_PHYS, SZ_64M),
 758         [1] = DEFINE_RES_MEM(PXA_CS0_PHYS + SZ_64M, SZ_64M),
 759 };
 760
 761 static struct physmap_flash_data strataflash_data = {
 762         .width = 4,
 763         .set_vpp = hx4700_set_vpp,
 764 };
 765
 766 static struct platform_device strataflash = {
 767         .name          = "physmap-flash",
 768         .id            = -1,
 769         .resource      = strataflash_resource,
 770         .num_resources = ARRAY_SIZE(strataflash_resource),
 771         .dev = {
 772                 .platform_data = &strataflash_data,
 773         },
 774 };
 775
 776 /*
 777  * Maxim MAX1587A on PI2C
 778  */
 779
 780 static struct regulator_consumer_supply max1587a_consumer =
 781         REGULATOR_SUPPLY("vcc_core", NULL);
 782
 783 static struct regulator_init_data max1587a_v3_info = {
 784         .constraints = {
 785                 .name = "vcc_core range",
 786                 .min_uV =  900000,
 787                 .max_uV = 1705000,
 788                 .always_on = 1,
 789                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 790         },
 791         .num_consumer_supplies = 1,
 792         .consumer_supplies     = &max1587a_consumer,
 793 };
 794
 795 static struct max1586_subdev_data max1587a_subdev = {
 796         .name = "vcc_core",
 797         .id   = MAX1586_V3,
 798         .platform_data = &max1587a_v3_info,
 799 };
 800
 801 static struct max1586_platform_data max1587a_info = {
 802         .num_subdevs = 1,
 803         .subdevs     = &max1587a_subdev,
 804         .v3_gain     = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
 805 };
 806
 807 static struct i2c_board_info __initdata pi2c_board_info[] = {
 808         {
 809                 I2C_BOARD_INFO("max1586", 0x14),
 810                 .platform_data = &max1587a_info,
 811         },
 812 };
 813
 814 /*
 815  * Asahi Kasei AK4641 on I2C
 816  */
 817
 818 static struct ak4641_platform_data ak4641_info = {
 819         .gpio_power = GPIO27_HX4700_CODEC_ON,
 820         .gpio_npdn  = GPIO109_HX4700_CODEC_nPDN,
 821 };
 822
 823 static struct i2c_board_info i2c_board_info[] __initdata = {
 824         {
 825                 I2C_BOARD_INFO("ak4641", 0x12),
 826                 .platform_data = &ak4641_info,
 827         },
 828 };
 829
 830 static struct platform_device audio = {
 831         .name   = "hx4700-audio",
 832         .id     = -1,
 833 };
 834
 835
 836 /*
 837  * Platform devices
 838  */
 839
 840 static struct platform_device *devices[] __initdata = {
 841         &asic3,
 842         &gpio_keys,
 843         &navpoint,
 844         &backlight,
 845         &w3220,
 846         &hx4700_lcd,
 847         &egpio,
 848         &bq24022,
 849         &gpio_vbus,
 850         &power_supply,
 851         &strataflash,
 852         &audio,
 853 };
 854
 855 static struct gpio global_gpios[] = {
 856         { GPIO12_HX4700_ASIC3_IRQ, GPIOF_IN, "ASIC3_IRQ" },
 857         { GPIO13_HX4700_W3220_IRQ, GPIOF_IN, "W3220_IRQ" },
 858         { GPIO14_HX4700_nWLAN_IRQ, GPIOF_IN, "WLAN_IRQ" },
 859         { GPIO59_HX4700_LCD_PC1,          GPIOF_OUT_INIT_HIGH, "LCD_PC1" },
 860         { GPIO62_HX4700_LCD_nRESET,       GPIOF_OUT_INIT_HIGH, "LCD_RESET" },
 861         { GPIO70_HX4700_LCD_SLIN1,        GPIOF_OUT_INIT_HIGH, "LCD_SLIN1" },
 862         { GPIO84_HX4700_LCD_SQN,          GPIOF_OUT_INIT_HIGH, "LCD_SQN" },
 863         { GPIO110_HX4700_LCD_LVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_LVDD" },
 864         { GPIO111_HX4700_LCD_AVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_AVDD" },
 865         { GPIO32_HX4700_RS232_ON,         GPIOF_OUT_INIT_HIGH, "RS232_ON" },
 866         { GPIO61_HX4700_W3220_nRESET,     GPIOF_OUT_INIT_HIGH, "W3220_nRESET" },
 867         { GPIO71_HX4700_ASIC3_nRESET,     GPIOF_OUT_INIT_HIGH, "ASIC3_nRESET" },
 868         { GPIO81_HX4700_CPU_GP_nRESET,    GPIOF_OUT_INIT_HIGH, "CPU_GP_nRESET" },
 869         { GPIO82_HX4700_EUART_RESET,      GPIOF_OUT_INIT_HIGH, "EUART_RESET" },
 870         { GPIO116_HX4700_CPU_HW_nRESET,   GPIOF_OUT_INIT_HIGH, "CPU_HW_nRESET" },
 871 };
 872
 873 static void __init hx4700_init(void)
 874 {
 875         int ret;
 876
 877         PCFR = PCFR_GPR_EN | PCFR_OPDE;
 878
 879         pxa2xx_mfp_config(ARRAY_AND_SIZE(hx4700_pin_config));
 880         gpio_set_wake(GPIO12_HX4700_ASIC3_IRQ, 1);
 881         ret = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
 882         if (ret)
 883                 pr_err ("hx4700: Failed to request GPIOs.\n");
 884
 885         pxa_set_ffuart_info(NULL);
 886         pxa_set_btuart_info(NULL);
 887         pxa_set_stuart_info(NULL);
 888
 889         gpiod_add_lookup_table(&bq24022_gpiod_table);
 890         gpiod_add_lookup_table(&gpio_vbus_gpiod_table);
 891         platform_add_devices(devices, ARRAY_SIZE(devices));
 892         pwm_add_table(hx4700_pwm_lookup, ARRAY_SIZE(hx4700_pwm_lookup));
 893
 894         pxa_set_ficp_info(&ficp_info);
 895         pxa27x_set_i2c_power_info(NULL);
 896         pxa_set_i2c_info(NULL);
 897         i2c_register_board_info(0, ARRAY_AND_SIZE(i2c_board_info));
 898         i2c_register_board_info(1, ARRAY_AND_SIZE(pi2c_board_info));
 899         pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
 900         spi_register_board_info(ARRAY_AND_SIZE(tsc2046_board_info));
 901
 902         gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 0);
 903         mdelay(10);
 904         gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 1);
 905         mdelay(10);
 906
 907         pxa_set_udc_info(&hx4700_udc_info);
 908         regulator_has_full_constraints();
 909 }
 910
 911 MACHINE_START(H4700, "HP iPAQ HX4700")
 912         .atag_offset  = 0x100,
 913         .map_io       = pxa27x_map_io,
 914         .nr_irqs      = HX4700_NR_IRQS,
 915         .init_irq     = pxa27x_init_irq,
 916         .handle_irq     = pxa27x_handle_irq,
 917         .init_machine = hx4700_init,
 918         .init_time      = pxa_timer_init,
 919         .restart        = pxa_restart,
 920 MACHINE_END