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