linux/arch/arm/mach-s3c24xx/mach-h1940.c
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   1/* linux/arch/arm/mach-s3c2410/mach-h1940.c
   2 *
   3 * Copyright (c) 2003-2005 Simtec Electronics
   4 *   Ben Dooks <ben@simtec.co.uk>
   5 *
   6 * http://www.handhelds.org/projects/h1940.html
   7 *
   8 * This program is free software; you can redistribute it and/or modify
   9 * it under the terms of the GNU General Public License version 2 as
  10 * published by the Free Software Foundation.
  11 *
  12*/
  13
  14#include <linux/kernel.h>
  15#include <linux/types.h>
  16#include <linux/interrupt.h>
  17#include <linux/list.h>
  18#include <linux/memblock.h>
  19#include <linux/timer.h>
  20#include <linux/init.h>
  21#include <linux/device.h>
  22#include <linux/serial_core.h>
  23#include <linux/platform_device.h>
  24#include <linux/io.h>
  25#include <linux/gpio.h>
  26#include <linux/input.h>
  27#include <linux/gpio_keys.h>
  28#include <linux/pwm_backlight.h>
  29#include <linux/i2c.h>
  30#include <linux/leds.h>
  31#include <linux/pda_power.h>
  32#include <linux/s3c_adc_battery.h>
  33#include <linux/delay.h>
  34
  35#include <video/platform_lcd.h>
  36
  37#include <linux/mmc/host.h>
  38#include <linux/export.h>
  39
  40#include <asm/mach/arch.h>
  41#include <asm/mach/map.h>
  42#include <asm/mach/irq.h>
  43
  44#include <mach/hardware.h>
  45#include <asm/irq.h>
  46#include <asm/mach-types.h>
  47
  48#include <plat/regs-serial.h>
  49#include <mach/regs-lcd.h>
  50#include <mach/regs-clock.h>
  51
  52#include <mach/regs-gpio.h>
  53#include <mach/gpio-fns.h>
  54#include <mach/gpio-nrs.h>
  55
  56#include <mach/h1940.h>
  57#include <mach/h1940-latch.h>
  58#include <mach/fb.h>
  59#include <plat/udc.h>
  60#include <plat/iic.h>
  61
  62#include <plat/gpio-cfg.h>
  63#include <plat/clock.h>
  64#include <plat/devs.h>
  65#include <plat/cpu.h>
  66#include <plat/pll.h>
  67#include <plat/pm.h>
  68#include <plat/mci.h>
  69#include <plat/ts.h>
  70
  71#include <sound/uda1380.h>
  72
  73#include "common.h"
  74
  75#define H1940_LATCH             ((void __force __iomem *)0xF8000000)
  76
  77#define H1940_PA_LATCH          S3C2410_CS2
  78
  79#define H1940_LATCH_BIT(x)      (1 << ((x) + 16 - S3C_GPIO_END))
  80
  81static struct map_desc h1940_iodesc[] __initdata = {
  82        [0] = {
  83                .virtual        = (unsigned long)H1940_LATCH,
  84                .pfn            = __phys_to_pfn(H1940_PA_LATCH),
  85                .length         = SZ_16K,
  86                .type           = MT_DEVICE
  87        },
  88};
  89
  90#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
  91#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  92#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  93
  94static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = {
  95        [0] = {
  96                .hwport      = 0,
  97                .flags       = 0,
  98                .ucon        = 0x3c5,
  99                .ulcon       = 0x03,
 100                .ufcon       = 0x51,
 101        },
 102        [1] = {
 103                .hwport      = 1,
 104                .flags       = 0,
 105                .ucon        = 0x245,
 106                .ulcon       = 0x03,
 107                .ufcon       = 0x00,
 108        },
 109        /* IR port */
 110        [2] = {
 111                .hwport      = 2,
 112                .flags       = 0,
 113                .uart_flags  = UPF_CONS_FLOW,
 114                .ucon        = 0x3c5,
 115                .ulcon       = 0x43,
 116                .ufcon       = 0x51,
 117        }
 118};
 119
 120/* Board control latch control */
 121
 122static unsigned int latch_state;
 123
 124static void h1940_latch_control(unsigned int clear, unsigned int set)
 125{
 126        unsigned long flags;
 127
 128        local_irq_save(flags);
 129
 130        latch_state &= ~clear;
 131        latch_state |= set;
 132
 133        __raw_writel(latch_state, H1940_LATCH);
 134
 135        local_irq_restore(flags);
 136}
 137
 138static inline int h1940_gpiolib_to_latch(int offset)
 139{
 140        return 1 << (offset + 16);
 141}
 142
 143static void h1940_gpiolib_latch_set(struct gpio_chip *chip,
 144                                        unsigned offset, int value)
 145{
 146        int latch_bit = h1940_gpiolib_to_latch(offset);
 147
 148        h1940_latch_control(value ? 0 : latch_bit,
 149                value ? latch_bit : 0);
 150}
 151
 152static int h1940_gpiolib_latch_output(struct gpio_chip *chip,
 153                                        unsigned offset, int value)
 154{
 155        h1940_gpiolib_latch_set(chip, offset, value);
 156        return 0;
 157}
 158
 159static int h1940_gpiolib_latch_get(struct gpio_chip *chip,
 160                                        unsigned offset)
 161{
 162        return (latch_state >> (offset + 16)) & 1;
 163}
 164
 165static struct gpio_chip h1940_latch_gpiochip = {
 166        .base                   = H1940_LATCH_GPIO(0),
 167        .owner                  = THIS_MODULE,
 168        .label                  = "H1940_LATCH",
 169        .ngpio                  = 16,
 170        .direction_output       = h1940_gpiolib_latch_output,
 171        .set                    = h1940_gpiolib_latch_set,
 172        .get                    = h1940_gpiolib_latch_get,
 173};
 174
 175static struct s3c2410_udc_mach_info h1940_udc_cfg __initdata = {
 176        .vbus_pin               = S3C2410_GPG(5),
 177        .vbus_pin_inverted      = 1,
 178        .pullup_pin             = H1940_LATCH_USB_DP,
 179};
 180
 181static struct s3c2410_ts_mach_info h1940_ts_cfg __initdata = {
 182                .delay = 10000,
 183                .presc = 49,
 184                .oversampling_shift = 2,
 185                .cfg_gpio = s3c24xx_ts_cfg_gpio,
 186};
 187
 188/**
 189 * Set lcd on or off
 190 **/
 191static struct s3c2410fb_display h1940_lcd __initdata = {
 192        .lcdcon5=       S3C2410_LCDCON5_FRM565 | \
 193                        S3C2410_LCDCON5_INVVLINE | \
 194                        S3C2410_LCDCON5_HWSWP,
 195
 196        .type =         S3C2410_LCDCON1_TFT,
 197        .width =        240,
 198        .height =       320,
 199        .pixclock =     260000,
 200        .xres =         240,
 201        .yres =         320,
 202        .bpp =          16,
 203        .left_margin =  8,
 204        .right_margin = 20,
 205        .hsync_len =    4,
 206        .upper_margin = 8,
 207        .lower_margin = 7,
 208        .vsync_len =    1,
 209};
 210
 211static struct s3c2410fb_mach_info h1940_fb_info __initdata = {
 212        .displays = &h1940_lcd,
 213        .num_displays = 1,
 214        .default_display = 0,
 215
 216        .lpcsel =       0x02,
 217        .gpccon =       0xaa940659,
 218        .gpccon_mask =  0xffffc0f0,
 219        .gpcup =        0x0000ffff,
 220        .gpcup_mask =   0xffffffff,
 221        .gpdcon =       0xaa84aaa0,
 222        .gpdcon_mask =  0xffffffff,
 223        .gpdup =        0x0000faff,
 224        .gpdup_mask =   0xffffffff,
 225};
 226
 227static int power_supply_init(struct device *dev)
 228{
 229        return gpio_request(S3C2410_GPF(2), "cable plugged");
 230}
 231
 232static int h1940_is_ac_online(void)
 233{
 234        return !gpio_get_value(S3C2410_GPF(2));
 235}
 236
 237static void power_supply_exit(struct device *dev)
 238{
 239        gpio_free(S3C2410_GPF(2));
 240}
 241
 242static char *h1940_supplicants[] = {
 243        "main-battery",
 244        "backup-battery",
 245};
 246
 247static struct pda_power_pdata power_supply_info = {
 248        .init                   = power_supply_init,
 249        .is_ac_online           = h1940_is_ac_online,
 250        .exit                   = power_supply_exit,
 251        .supplied_to            = h1940_supplicants,
 252        .num_supplicants        = ARRAY_SIZE(h1940_supplicants),
 253};
 254
 255static struct resource power_supply_resources[] = {
 256        [0] = DEFINE_RES_NAMED(IRQ_EINT2, 1, "ac", IORESOURCE_IRQ \
 257                        | IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE),
 258};
 259
 260static struct platform_device power_supply = {
 261        .name           = "pda-power",
 262        .id             = -1,
 263        .dev            = {
 264                                .platform_data =
 265                                        &power_supply_info,
 266        },
 267        .resource       = power_supply_resources,
 268        .num_resources  = ARRAY_SIZE(power_supply_resources),
 269};
 270
 271static const struct s3c_adc_bat_thresh bat_lut_noac[] = {
 272        { .volt = 4070, .cur = 162, .level = 100},
 273        { .volt = 4040, .cur = 165, .level = 95},
 274        { .volt = 4016, .cur = 164, .level = 90},
 275        { .volt = 3996, .cur = 166, .level = 85},
 276        { .volt = 3971, .cur = 168, .level = 80},
 277        { .volt = 3951, .cur = 168, .level = 75},
 278        { .volt = 3931, .cur = 170, .level = 70},
 279        { .volt = 3903, .cur = 172, .level = 65},
 280        { .volt = 3886, .cur = 172, .level = 60},
 281        { .volt = 3858, .cur = 176, .level = 55},
 282        { .volt = 3842, .cur = 176, .level = 50},
 283        { .volt = 3818, .cur = 176, .level = 45},
 284        { .volt = 3789, .cur = 180, .level = 40},
 285        { .volt = 3769, .cur = 180, .level = 35},
 286        { .volt = 3749, .cur = 184, .level = 30},
 287        { .volt = 3732, .cur = 184, .level = 25},
 288        { .volt = 3716, .cur = 184, .level = 20},
 289        { .volt = 3708, .cur = 184, .level = 15},
 290        { .volt = 3716, .cur = 96, .level = 10},
 291        { .volt = 3700, .cur = 96, .level = 5},
 292        { .volt = 3684, .cur = 96, .level = 0},
 293};
 294
 295static const struct s3c_adc_bat_thresh bat_lut_acin[] = {
 296        { .volt = 4130, .cur = 0, .level = 100},
 297        { .volt = 3982, .cur = 0, .level = 50},
 298        { .volt = 3854, .cur = 0, .level = 10},
 299        { .volt = 3841, .cur = 0, .level = 0},
 300};
 301
 302static int h1940_bat_init(void)
 303{
 304        int ret;
 305
 306        ret = gpio_request(H1940_LATCH_SM803_ENABLE, "h1940-charger-enable");
 307        if (ret)
 308                return ret;
 309        gpio_direction_output(H1940_LATCH_SM803_ENABLE, 0);
 310
 311        return 0;
 312
 313}
 314
 315static void h1940_bat_exit(void)
 316{
 317        gpio_free(H1940_LATCH_SM803_ENABLE);
 318}
 319
 320static void h1940_enable_charger(void)
 321{
 322        gpio_set_value(H1940_LATCH_SM803_ENABLE, 1);
 323}
 324
 325static void h1940_disable_charger(void)
 326{
 327        gpio_set_value(H1940_LATCH_SM803_ENABLE, 0);
 328}
 329
 330static struct s3c_adc_bat_pdata h1940_bat_cfg = {
 331        .init = h1940_bat_init,
 332        .exit = h1940_bat_exit,
 333        .enable_charger = h1940_enable_charger,
 334        .disable_charger = h1940_disable_charger,
 335        .gpio_charge_finished = S3C2410_GPF(3),
 336        .gpio_inverted = 1,
 337        .lut_noac = bat_lut_noac,
 338        .lut_noac_cnt = ARRAY_SIZE(bat_lut_noac),
 339        .lut_acin = bat_lut_acin,
 340        .lut_acin_cnt = ARRAY_SIZE(bat_lut_acin),
 341        .volt_channel = 0,
 342        .current_channel = 1,
 343        .volt_mult = 4056,
 344        .current_mult = 1893,
 345        .internal_impedance = 200,
 346        .backup_volt_channel = 3,
 347        /* TODO Check backup volt multiplier */
 348        .backup_volt_mult = 4056,
 349        .backup_volt_min = 0,
 350        .backup_volt_max = 4149288
 351};
 352
 353static struct platform_device h1940_battery = {
 354        .name             = "s3c-adc-battery",
 355        .id               = -1,
 356        .dev = {
 357                .parent = &s3c_device_adc.dev,
 358                .platform_data = &h1940_bat_cfg,
 359        },
 360};
 361
 362static DEFINE_SPINLOCK(h1940_blink_spin);
 363
 364int h1940_led_blink_set(unsigned gpio, int state,
 365        unsigned long *delay_on, unsigned long *delay_off)
 366{
 367        int blink_gpio, check_gpio1, check_gpio2;
 368
 369        switch (gpio) {
 370        case H1940_LATCH_LED_GREEN:
 371                blink_gpio = S3C2410_GPA(7);
 372                check_gpio1 = S3C2410_GPA(1);
 373                check_gpio2 = S3C2410_GPA(3);
 374                break;
 375        case H1940_LATCH_LED_RED:
 376                blink_gpio = S3C2410_GPA(1);
 377                check_gpio1 = S3C2410_GPA(7);
 378                check_gpio2 = S3C2410_GPA(3);
 379                break;
 380        default:
 381                blink_gpio = S3C2410_GPA(3);
 382                check_gpio1 = S3C2410_GPA(1);
 383                check_gpio1 = S3C2410_GPA(7);
 384                break;
 385        }
 386
 387        if (delay_on && delay_off && !*delay_on && !*delay_off)
 388                *delay_on = *delay_off = 500;
 389
 390        spin_lock(&h1940_blink_spin);
 391
 392        switch (state) {
 393        case GPIO_LED_NO_BLINK_LOW:
 394        case GPIO_LED_NO_BLINK_HIGH:
 395                if (!gpio_get_value(check_gpio1) &&
 396                    !gpio_get_value(check_gpio2))
 397                        gpio_set_value(H1940_LATCH_LED_FLASH, 0);
 398                gpio_set_value(blink_gpio, 0);
 399                if (gpio_is_valid(gpio))
 400                        gpio_set_value(gpio, state);
 401                break;
 402        case GPIO_LED_BLINK:
 403                if (gpio_is_valid(gpio))
 404                        gpio_set_value(gpio, 0);
 405                gpio_set_value(H1940_LATCH_LED_FLASH, 1);
 406                gpio_set_value(blink_gpio, 1);
 407                break;
 408        }
 409
 410        spin_unlock(&h1940_blink_spin);
 411
 412        return 0;
 413}
 414EXPORT_SYMBOL(h1940_led_blink_set);
 415
 416static struct gpio_led h1940_leds_desc[] = {
 417        {
 418                .name                   = "Green",
 419                .default_trigger        = "main-battery-full",
 420                .gpio                   = H1940_LATCH_LED_GREEN,
 421                .retain_state_suspended = 1,
 422        },
 423        {
 424                .name                   = "Red",
 425                .default_trigger
 426                        = "main-battery-charging-blink-full-solid",
 427                .gpio                   = H1940_LATCH_LED_RED,
 428                .retain_state_suspended = 1,
 429        },
 430};
 431
 432static struct gpio_led_platform_data h1940_leds_pdata = {
 433        .num_leds       = ARRAY_SIZE(h1940_leds_desc),
 434        .leds           = h1940_leds_desc,
 435        .gpio_blink_set = h1940_led_blink_set,
 436};
 437
 438static struct platform_device h1940_device_leds = {
 439        .name   = "leds-gpio",
 440        .id     = -1,
 441        .dev    = {
 442                        .platform_data = &h1940_leds_pdata,
 443        },
 444};
 445
 446static struct platform_device h1940_device_bluetooth = {
 447        .name             = "h1940-bt",
 448        .id               = -1,
 449};
 450
 451static void h1940_set_mmc_power(unsigned char power_mode, unsigned short vdd)
 452{
 453        switch (power_mode) {
 454        case MMC_POWER_OFF:
 455                gpio_set_value(H1940_LATCH_SD_POWER, 0);
 456                break;
 457        case MMC_POWER_UP:
 458        case MMC_POWER_ON:
 459                gpio_set_value(H1940_LATCH_SD_POWER, 1);
 460                break;
 461        default:
 462                break;
 463        };
 464}
 465
 466static struct s3c24xx_mci_pdata h1940_mmc_cfg __initdata = {
 467        .gpio_detect   = S3C2410_GPF(5),
 468        .gpio_wprotect = S3C2410_GPH(8),
 469        .set_power     = h1940_set_mmc_power,
 470        .ocr_avail     = MMC_VDD_32_33,
 471};
 472
 473static int h1940_backlight_init(struct device *dev)
 474{
 475        gpio_request(S3C2410_GPB(0), "Backlight");
 476
 477        gpio_direction_output(S3C2410_GPB(0), 0);
 478        s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE);
 479        s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
 480        gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1);
 481
 482        return 0;
 483}
 484
 485static int h1940_backlight_notify(struct device *dev, int brightness)
 486{
 487        if (!brightness) {
 488                gpio_direction_output(S3C2410_GPB(0), 1);
 489                gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
 490        } else {
 491                gpio_direction_output(S3C2410_GPB(0), 0);
 492                s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE);
 493                s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
 494                gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1);
 495        }
 496        return brightness;
 497}
 498
 499static void h1940_backlight_exit(struct device *dev)
 500{
 501        gpio_direction_output(S3C2410_GPB(0), 1);
 502        gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
 503}
 504
 505
 506static struct platform_pwm_backlight_data backlight_data = {
 507        .pwm_id         = 0,
 508        .max_brightness = 100,
 509        .dft_brightness = 50,
 510        /* tcnt = 0x31 */
 511        .pwm_period_ns  = 36296,
 512        .init           = h1940_backlight_init,
 513        .notify         = h1940_backlight_notify,
 514        .exit           = h1940_backlight_exit,
 515};
 516
 517static struct platform_device h1940_backlight = {
 518        .name = "pwm-backlight",
 519        .dev  = {
 520                .parent = &s3c_device_timer[0].dev,
 521                .platform_data = &backlight_data,
 522        },
 523        .id   = -1,
 524};
 525
 526static void h1940_lcd_power_set(struct plat_lcd_data *pd,
 527                                        unsigned int power)
 528{
 529        int value, retries = 100;
 530
 531        if (!power) {
 532                gpio_set_value(S3C2410_GPC(0), 0);
 533                /* wait for 3ac */
 534                do {
 535                        value = gpio_get_value(S3C2410_GPC(6));
 536                } while (value && retries--);
 537
 538                gpio_set_value(H1940_LATCH_LCD_P2, 0);
 539                gpio_set_value(H1940_LATCH_LCD_P3, 0);
 540                gpio_set_value(H1940_LATCH_LCD_P4, 0);
 541
 542                gpio_direction_output(S3C2410_GPC(1), 0);
 543                gpio_direction_output(S3C2410_GPC(4), 0);
 544
 545                gpio_set_value(H1940_LATCH_LCD_P1, 0);
 546                gpio_set_value(H1940_LATCH_LCD_P0, 0);
 547
 548                gpio_set_value(S3C2410_GPC(5), 0);
 549
 550        } else {
 551                gpio_set_value(H1940_LATCH_LCD_P0, 1);
 552                gpio_set_value(H1940_LATCH_LCD_P1, 1);
 553
 554                gpio_direction_input(S3C2410_GPC(1));
 555                gpio_direction_input(S3C2410_GPC(4));
 556                mdelay(10);
 557                s3c_gpio_cfgpin(S3C2410_GPC(1), S3C_GPIO_SFN(2));
 558                s3c_gpio_cfgpin(S3C2410_GPC(4), S3C_GPIO_SFN(2));
 559
 560                gpio_set_value(S3C2410_GPC(5), 1);
 561                gpio_set_value(S3C2410_GPC(0), 1);
 562
 563                gpio_set_value(H1940_LATCH_LCD_P3, 1);
 564                gpio_set_value(H1940_LATCH_LCD_P2, 1);
 565                gpio_set_value(H1940_LATCH_LCD_P4, 1);
 566        }
 567}
 568
 569static struct plat_lcd_data h1940_lcd_power_data = {
 570        .set_power      = h1940_lcd_power_set,
 571};
 572
 573static struct platform_device h1940_lcd_powerdev = {
 574        .name                   = "platform-lcd",
 575        .dev.parent             = &s3c_device_lcd.dev,
 576        .dev.platform_data      = &h1940_lcd_power_data,
 577};
 578
 579static struct uda1380_platform_data uda1380_info = {
 580        .gpio_power     = H1940_LATCH_UDA_POWER,
 581        .gpio_reset     = S3C2410_GPA(12),
 582        .dac_clk        = UDA1380_DAC_CLK_SYSCLK,
 583};
 584
 585static struct i2c_board_info h1940_i2c_devices[] = {
 586        {
 587                I2C_BOARD_INFO("uda1380", 0x1a),
 588                .platform_data = &uda1380_info,
 589        },
 590};
 591
 592#define DECLARE_BUTTON(p, k, n, w)      \
 593        {                               \
 594                .gpio           = p,    \
 595                .code           = k,    \
 596                .desc           = n,    \
 597                .wakeup         = w,    \
 598                .active_low     = 1,    \
 599        }
 600
 601static struct gpio_keys_button h1940_buttons[] = {
 602        DECLARE_BUTTON(S3C2410_GPF(0),       KEY_POWER,          "Power", 1),
 603        DECLARE_BUTTON(S3C2410_GPF(6),       KEY_ENTER,         "Select", 1),
 604        DECLARE_BUTTON(S3C2410_GPF(7),      KEY_RECORD,         "Record", 0),
 605        DECLARE_BUTTON(S3C2410_GPG(0),         KEY_F11,       "Calendar", 0),
 606        DECLARE_BUTTON(S3C2410_GPG(2),         KEY_F12,       "Contacts", 0),
 607        DECLARE_BUTTON(S3C2410_GPG(3),        KEY_MAIL,           "Mail", 0),
 608        DECLARE_BUTTON(S3C2410_GPG(6),        KEY_LEFT,     "Left_arrow", 0),
 609        DECLARE_BUTTON(S3C2410_GPG(7),    KEY_HOMEPAGE,           "Home", 0),
 610        DECLARE_BUTTON(S3C2410_GPG(8),       KEY_RIGHT,    "Right_arrow", 0),
 611        DECLARE_BUTTON(S3C2410_GPG(9),          KEY_UP,       "Up_arrow", 0),
 612        DECLARE_BUTTON(S3C2410_GPG(10),       KEY_DOWN,     "Down_arrow", 0),
 613};
 614
 615static struct gpio_keys_platform_data h1940_buttons_data = {
 616        .buttons        = h1940_buttons,
 617        .nbuttons       = ARRAY_SIZE(h1940_buttons),
 618};
 619
 620static struct platform_device h1940_dev_buttons = {
 621        .name           = "gpio-keys",
 622        .id             = -1,
 623        .dev            = {
 624                .platform_data  = &h1940_buttons_data,
 625        }
 626};
 627
 628static struct platform_device *h1940_devices[] __initdata = {
 629        &h1940_dev_buttons,
 630        &s3c_device_ohci,
 631        &s3c_device_lcd,
 632        &s3c_device_wdt,
 633        &s3c_device_i2c0,
 634        &s3c_device_iis,
 635        &samsung_asoc_dma,
 636        &s3c_device_usbgadget,
 637        &h1940_device_leds,
 638        &h1940_device_bluetooth,
 639        &s3c_device_sdi,
 640        &s3c_device_rtc,
 641        &s3c_device_timer[0],
 642        &h1940_backlight,
 643        &h1940_lcd_powerdev,
 644        &s3c_device_adc,
 645        &s3c_device_ts,
 646        &power_supply,
 647        &h1940_battery,
 648};
 649
 650static void __init h1940_map_io(void)
 651{
 652        s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
 653        s3c24xx_init_clocks(0);
 654        s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs));
 655
 656        /* setup PM */
 657
 658#ifdef CONFIG_PM_H1940
 659        memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024);
 660#endif
 661        s3c_pm_init();
 662
 663        /* Add latch gpio chip, set latch initial value */
 664        h1940_latch_control(0, 0);
 665        WARN_ON(gpiochip_add(&h1940_latch_gpiochip));
 666}
 667
 668/* H1940 and RX3715 need to reserve this for suspend */
 669static void __init h1940_reserve(void)
 670{
 671        memblock_reserve(0x30003000, 0x1000);
 672        memblock_reserve(0x30081000, 0x1000);
 673}
 674
 675static void __init h1940_init_irq(void)
 676{
 677        s3c24xx_init_irq();
 678}
 679
 680static void __init h1940_init(void)
 681{
 682        u32 tmp;
 683
 684        s3c24xx_fb_set_platdata(&h1940_fb_info);
 685        s3c24xx_mci_set_platdata(&h1940_mmc_cfg);
 686        s3c24xx_udc_set_platdata(&h1940_udc_cfg);
 687        s3c24xx_ts_set_platdata(&h1940_ts_cfg);
 688        s3c_i2c0_set_platdata(NULL);
 689
 690        /* Turn off suspend on both USB ports, and switch the
 691         * selectable USB port to USB device mode. */
 692
 693        s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
 694                              S3C2410_MISCCR_USBSUSPND0 |
 695                              S3C2410_MISCCR_USBSUSPND1, 0x0);
 696
 697        tmp =   (0x78 << S3C24XX_PLL_MDIV_SHIFT)
 698              | (0x02 << S3C24XX_PLL_PDIV_SHIFT)
 699              | (0x03 << S3C24XX_PLL_SDIV_SHIFT);
 700        writel(tmp, S3C2410_UPLLCON);
 701
 702        gpio_request(S3C2410_GPC(0), "LCD power");
 703        gpio_request(S3C2410_GPC(1), "LCD power");
 704        gpio_request(S3C2410_GPC(4), "LCD power");
 705        gpio_request(S3C2410_GPC(5), "LCD power");
 706        gpio_request(S3C2410_GPC(6), "LCD power");
 707        gpio_request(H1940_LATCH_LCD_P0, "LCD power");
 708        gpio_request(H1940_LATCH_LCD_P1, "LCD power");
 709        gpio_request(H1940_LATCH_LCD_P2, "LCD power");
 710        gpio_request(H1940_LATCH_LCD_P3, "LCD power");
 711        gpio_request(H1940_LATCH_LCD_P4, "LCD power");
 712        gpio_request(H1940_LATCH_MAX1698_nSHUTDOWN, "LCD power");
 713        gpio_direction_output(S3C2410_GPC(0), 0);
 714        gpio_direction_output(S3C2410_GPC(1), 0);
 715        gpio_direction_output(S3C2410_GPC(4), 0);
 716        gpio_direction_output(S3C2410_GPC(5), 0);
 717        gpio_direction_input(S3C2410_GPC(6));
 718        gpio_direction_output(H1940_LATCH_LCD_P0, 0);
 719        gpio_direction_output(H1940_LATCH_LCD_P1, 0);
 720        gpio_direction_output(H1940_LATCH_LCD_P2, 0);
 721        gpio_direction_output(H1940_LATCH_LCD_P3, 0);
 722        gpio_direction_output(H1940_LATCH_LCD_P4, 0);
 723        gpio_direction_output(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
 724
 725        gpio_request(H1940_LATCH_SD_POWER, "SD power");
 726        gpio_direction_output(H1940_LATCH_SD_POWER, 0);
 727
 728        platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices));
 729
 730        gpio_request(S3C2410_GPA(1), "Red LED blink");
 731        gpio_request(S3C2410_GPA(3), "Blue LED blink");
 732        gpio_request(S3C2410_GPA(7), "Green LED blink");
 733        gpio_request(H1940_LATCH_LED_FLASH, "LED blink");
 734        gpio_direction_output(S3C2410_GPA(1), 0);
 735        gpio_direction_output(S3C2410_GPA(3), 0);
 736        gpio_direction_output(S3C2410_GPA(7), 0);
 737        gpio_direction_output(H1940_LATCH_LED_FLASH, 0);
 738
 739        i2c_register_board_info(0, h1940_i2c_devices,
 740                ARRAY_SIZE(h1940_i2c_devices));
 741}
 742
 743MACHINE_START(H1940, "IPAQ-H1940")
 744        /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
 745        .atag_offset    = 0x100,
 746        .map_io         = h1940_map_io,
 747        .reserve        = h1940_reserve,
 748        .init_irq       = h1940_init_irq,
 749        .init_machine   = h1940_init,
 750        .timer          = &s3c24xx_timer,
 751        .restart        = s3c2410_restart,
 752MACHINE_END
 753