linux/arch/arm/mach-pxa/hx4700.c
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   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
  61static 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
 158static 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
 177static 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
 186static struct gpio_keys_platform_data gpio_keys_data = {
 187        .buttons = gpio_keys_buttons,
 188        .nbuttons = ARRAY_SIZE(gpio_keys_buttons),
 189};
 190
 191static 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
 203static struct navpoint_platform_data navpoint_platform_data = {
 204        .port   = 1,
 205        .gpio   = GPIO102_HX4700_SYNAPTICS_POWER_ON,
 206};
 207
 208static 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
 220static 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
 280static 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
 295static 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
 304static 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
 313static 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
 327static struct resource egpio_resources[] = {
 328        [0] = DEFINE_RES_MEM(PXA_CS5_PHYS, 0x4),
 329};
 330
 331static 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
 340static 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
 347static 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
 361static 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
 389static 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
 402static void w3220_lcd_suspend(struct w100fb_par *wfb)
 403{
 404        sony_lcd_off();
 405}
 406
 407static 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
 416static struct w100_tg_info w3220_tg_info = {
 417        .suspend        = w3220_lcd_suspend,
 418        .resume         = w3220_lcd_resume,
 419};
 420
 421/*                               W3220_VGA              QVGA */
 422static 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
 431static 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
 479struct 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
 487struct 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
 497static 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
 506static 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
 517static struct resource w3220_resources[] = {
 518        [0] = DEFINE_RES_MEM(ATI_W3220_PHYS, SZ_16M),
 519};
 520
 521static 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
 531static 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
 539static struct plat_lcd_data hx4700_lcd_data = {
 540        .set_power = hx4700_lcd_set_power,
 541};
 542
 543static 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
 556static struct platform_pwm_backlight_data backlight_data = {
 557        .max_brightness = 200,
 558        .dft_brightness = 100,
 559};
 560
 561static 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
 570static 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
 579static 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
 594static struct platform_device gpio_vbus = {
 595        .name          = "gpio-vbus",
 596        .id            = -1,
 597};
 598
 599static struct pxa2xx_udc_mach_info hx4700_udc_info;
 600
 601/*
 602 * Touchscreen - TSC2046 connected to SSP2
 603 */
 604
 605static 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
 615static 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
 622static 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
 633static struct pxa2xx_spi_controller pxa_ssp2_master_info = {
 634        .num_chipselect = 1,
 635        .enable_dma     = 1,
 636};
 637
 638/*
 639 * External power
 640 */
 641
 642static int power_supply_init(struct device *dev)
 643{
 644        return gpio_request(GPIOD9_nAC_IN, "AC charger detect");
 645}
 646
 647static int hx4700_is_ac_online(void)
 648{
 649        return !gpio_get_value(GPIOD9_nAC_IN);
 650}
 651
 652static void power_supply_exit(struct device *dev)
 653{
 654        gpio_free(GPIOD9_nAC_IN);
 655}
 656
 657static char *hx4700_supplicants[] = {
 658        "ds2760-battery.0", "backup-battery"
 659};
 660
 661static 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
 669static 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
 678static 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
 692static struct regulator_consumer_supply bq24022_consumers[] = {
 693        REGULATOR_SUPPLY("vbus_draw", NULL),
 694        REGULATOR_SUPPLY("ac_draw", NULL),
 695};
 696
 697static 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
 706static enum gpiod_flags bq24022_gpiod_gflags[] = { GPIOD_OUT_LOW };
 707
 708static struct gpio_regulator_state bq24022_states[] = {
 709        { .value = 100000, .gpios = (0 << 0) },
 710        { .value = 500000, .gpios = (1 << 0) },
 711};
 712
 713static 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
 728static struct platform_device bq24022 = {
 729        .name = "gpio-regulator",
 730        .id   = -1,
 731        .dev  = {
 732                .platform_data = &bq24022_info,
 733        },
 734};
 735
 736static 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
 751static void hx4700_set_vpp(struct platform_device *pdev, int vpp)
 752{
 753        gpio_set_value(GPIO91_HX4700_FLASH_VPEN, vpp);
 754}
 755
 756static 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
 761static struct physmap_flash_data strataflash_data = {
 762        .width = 4,
 763        .set_vpp = hx4700_set_vpp,
 764};
 765
 766static 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
 780static struct regulator_consumer_supply max1587a_consumer =
 781        REGULATOR_SUPPLY("vcc_core", NULL);
 782
 783static 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
 795static struct max1586_subdev_data max1587a_subdev = {
 796        .name = "vcc_core",
 797        .id   = MAX1586_V3,
 798        .platform_data = &max1587a_v3_info,
 799};
 800
 801static 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
 807static 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
 818static struct ak4641_platform_data ak4641_info = {
 819        .gpio_power = GPIO27_HX4700_CODEC_ON,
 820        .gpio_npdn  = GPIO109_HX4700_CODEC_nPDN,
 821};
 822
 823static struct i2c_board_info i2c_board_info[] __initdata = {
 824        {
 825                I2C_BOARD_INFO("ak4641", 0x12),
 826                .platform_data = &ak4641_info,
 827        },
 828};
 829
 830static struct platform_device audio = {
 831        .name   = "hx4700-audio",
 832        .id     = -1,
 833};
 834
 835
 836/*
 837 * Platform devices
 838 */
 839
 840static 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
 855static 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
 873static 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
 911MACHINE_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,
 920MACHINE_END
 921