arch/arm/mach-s3c24xx/mach-rx1950.c

   1 /*
   2  * Copyright (c) 2006-2009 Victor Chukhantsev, Denis Grigoriev,
   3  * Copyright (c) 2007-2010 Vasily Khoruzhick
   4  *
   5  * based on smdk2440 written by Ben Dooks
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10  *
  11 */
  12
  13 #include <linux/kernel.h>
  14 #include <linux/types.h>
  15 #include <linux/interrupt.h>
  16 #include <linux/list.h>
  17 #include <linux/memblock.h>
  18 #include <linux/delay.h>
  19 #include <linux/timer.h>
  20 #include <linux/init.h>
  21 #include <linux/gpio.h>
  22 #include <linux/platform_device.h>
  23 #include <linux/serial_core.h>
  24 #include <linux/input.h>
  25 #include <linux/gpio_keys.h>
  26 #include <linux/device.h>
  27 #include <linux/pda_power.h>
  28 #include <linux/pwm_backlight.h>
  29 #include <linux/pwm.h>
  30 #include <linux/s3c_adc_battery.h>
  31 #include <linux/leds.h>
  32 #include <linux/i2c.h>
  33
  34 #include <linux/mtd/mtd.h>
  35 #include <linux/mtd/partitions.h>
  36
  37 #include <linux/mmc/host.h>
  38
  39 #include <asm/mach-types.h>
  40 #include <asm/mach/arch.h>
  41 #include <asm/mach/map.h>
  42
  43 #include <linux/platform_data/i2c-s3c2410.h>
  44 #include <linux/platform_data/mmc-s3cmci.h>
  45 #include <linux/platform_data/mtd-nand-s3c2410.h>
  46 #include <linux/platform_data/touchscreen-s3c2410.h>
  47 #include <linux/platform_data/usb-s3c2410_udc.h>
  48
  49 #include <sound/uda1380.h>
  50
  51 #include <mach/fb.h>
  52 #include <mach/regs-gpio.h>
  53 #include <mach/regs-lcd.h>
  54
  55 #include <plat/clock.h>
  56 #include <plat/cpu.h>
  57 #include <plat/devs.h>
  58 #include <plat/pm.h>
  59 #include <plat/regs-serial.h>
  60
  61 #include "common.h"
  62 #include "h1940.h"
  63
  64 #define LCD_PWM_PERIOD 192960
  65 #define LCD_PWM_DUTY 127353
  66
  67 static struct map_desc rx1950_iodesc[] __initdata = {
  68 };
  69
  70 static struct s3c2410_uartcfg rx1950_uartcfgs[] __initdata = {
  71         [0] = {
  72                .hwport = 0,
  73                .flags = 0,
  74                .ucon = 0x3c5,
  75                .ulcon = 0x03,
  76                .ufcon = 0x51,
  77                 .clk_sel = S3C2410_UCON_CLKSEL3,
  78         },
  79         [1] = {
  80                .hwport = 1,
  81                .flags = 0,
  82                .ucon = 0x3c5,
  83                .ulcon = 0x03,
  84                .ufcon = 0x51,
  85                 .clk_sel = S3C2410_UCON_CLKSEL3,
  86         },
  87         /* IR port */
  88         [2] = {
  89                .hwport = 2,
  90                .flags = 0,
  91                .ucon = 0x3c5,
  92                .ulcon = 0x43,
  93                .ufcon = 0xf1,
  94                 .clk_sel = S3C2410_UCON_CLKSEL3,
  95         },
  96 };
  97
  98 static struct s3c2410fb_display rx1950_display = {
  99         .type = S3C2410_LCDCON1_TFT,
 100         .width = 240,
 101         .height = 320,
 102         .xres = 240,
 103         .yres = 320,
 104         .bpp = 16,
 105
 106         .pixclock = 260000,
 107         .left_margin = 10,
 108         .right_margin = 20,
 109         .hsync_len = 10,
 110         .upper_margin = 2,
 111         .lower_margin = 2,
 112         .vsync_len = 2,
 113
 114         .lcdcon5 = S3C2410_LCDCON5_FRM565 |
 115                            S3C2410_LCDCON5_INVVCLK |
 116                            S3C2410_LCDCON5_INVVLINE |
 117                            S3C2410_LCDCON5_INVVFRAME |
 118                            S3C2410_LCDCON5_HWSWP |
 119                            (0x02 << 13) |
 120                            (0x02 << 15),
 121
 122 };
 123
 124 static int power_supply_init(struct device *dev)
 125 {
 126         return gpio_request(S3C2410_GPF(2), "cable plugged");
 127 }
 128
 129 static int rx1950_is_ac_online(void)
 130 {
 131         return !gpio_get_value(S3C2410_GPF(2));
 132 }
 133
 134 static void power_supply_exit(struct device *dev)
 135 {
 136         gpio_free(S3C2410_GPF(2));
 137 }
 138
 139 static char *rx1950_supplicants[] = {
 140         "main-battery"
 141 };
 142
 143 static struct pda_power_pdata power_supply_info = {
 144         .init                   = power_supply_init,
 145         .is_ac_online           = rx1950_is_ac_online,
 146         .exit                   = power_supply_exit,
 147         .supplied_to            = rx1950_supplicants,
 148         .num_supplicants        = ARRAY_SIZE(rx1950_supplicants),
 149 };
 150
 151 static struct resource power_supply_resources[] = {
 152         [0] = DEFINE_RES_NAMED(IRQ_EINT2, 1, "ac", IORESOURCE_IRQ \
 153                         | IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE),
 154 };
 155
 156 static struct platform_device power_supply = {
 157         .name                   = "pda-power",
 158         .id                     = -1,
 159         .dev                    = {
 160                                         .platform_data =
 161                                                 &power_supply_info,
 162         },
 163         .resource               = power_supply_resources,
 164         .num_resources          = ARRAY_SIZE(power_supply_resources),
 165 };
 166
 167 static const struct s3c_adc_bat_thresh bat_lut_noac[] = {
 168         { .volt = 4100, .cur = 156, .level = 100},
 169         { .volt = 4050, .cur = 156, .level = 95},
 170         { .volt = 4025, .cur = 141, .level = 90},
 171         { .volt = 3995, .cur = 144, .level = 85},
 172         { .volt = 3957, .cur = 162, .level = 80},
 173         { .volt = 3931, .cur = 147, .level = 75},
 174         { .volt = 3902, .cur = 147, .level = 70},
 175         { .volt = 3863, .cur = 153, .level = 65},
 176         { .volt = 3838, .cur = 150, .level = 60},
 177         { .volt = 3800, .cur = 153, .level = 55},
 178         { .volt = 3765, .cur = 153, .level = 50},
 179         { .volt = 3748, .cur = 172, .level = 45},
 180         { .volt = 3740, .cur = 153, .level = 40},
 181         { .volt = 3714, .cur = 175, .level = 35},
 182         { .volt = 3710, .cur = 156, .level = 30},
 183         { .volt = 3963, .cur = 156, .level = 25},
 184         { .volt = 3672, .cur = 178, .level = 20},
 185         { .volt = 3651, .cur = 178, .level = 15},
 186         { .volt = 3629, .cur = 178, .level = 10},
 187         { .volt = 3612, .cur = 162, .level = 5},
 188         { .volt = 3605, .cur = 162, .level = 0},
 189 };
 190
 191 static const struct s3c_adc_bat_thresh bat_lut_acin[] = {
 192         { .volt = 4200, .cur = 0, .level = 100},
 193         { .volt = 4190, .cur = 0, .level = 99},
 194         { .volt = 4178, .cur = 0, .level = 95},
 195         { .volt = 4110, .cur = 0, .level = 70},
 196         { .volt = 4076, .cur = 0, .level = 65},
 197         { .volt = 4046, .cur = 0, .level = 60},
 198         { .volt = 4021, .cur = 0, .level = 55},
 199         { .volt = 3999, .cur = 0, .level = 50},
 200         { .volt = 3982, .cur = 0, .level = 45},
 201         { .volt = 3965, .cur = 0, .level = 40},
 202         { .volt = 3957, .cur = 0, .level = 35},
 203         { .volt = 3948, .cur = 0, .level = 30},
 204         { .volt = 3936, .cur = 0, .level = 25},
 205         { .volt = 3927, .cur = 0, .level = 20},
 206         { .volt = 3906, .cur = 0, .level = 15},
 207         { .volt = 3880, .cur = 0, .level = 10},
 208         { .volt = 3829, .cur = 0, .level = 5},
 209         { .volt = 3820, .cur = 0, .level = 0},
 210 };
 211
 212 static int rx1950_bat_init(void)
 213 {
 214         int ret;
 215
 216         ret = gpio_request(S3C2410_GPJ(2), "rx1950-charger-enable-1");
 217         if (ret)
 218                 goto err_gpio1;
 219         ret = gpio_request(S3C2410_GPJ(3), "rx1950-charger-enable-2");
 220         if (ret)
 221                 goto err_gpio2;
 222
 223         return 0;
 224
 225 err_gpio2:
 226         gpio_free(S3C2410_GPJ(2));
 227 err_gpio1:
 228         return ret;
 229 }
 230
 231 static void rx1950_bat_exit(void)
 232 {
 233         gpio_free(S3C2410_GPJ(2));
 234         gpio_free(S3C2410_GPJ(3));
 235 }
 236
 237 static void rx1950_enable_charger(void)
 238 {
 239         gpio_direction_output(S3C2410_GPJ(2), 1);
 240         gpio_direction_output(S3C2410_GPJ(3), 1);
 241 }
 242
 243 static void rx1950_disable_charger(void)
 244 {
 245         gpio_direction_output(S3C2410_GPJ(2), 0);
 246         gpio_direction_output(S3C2410_GPJ(3), 0);
 247 }
 248
 249 static DEFINE_SPINLOCK(rx1950_blink_spin);
 250
 251 static int rx1950_led_blink_set(unsigned gpio, int state,
 252         unsigned long *delay_on, unsigned long *delay_off)
 253 {
 254         int blink_gpio, check_gpio;
 255
 256         switch (gpio) {
 257         case S3C2410_GPA(6):
 258                 blink_gpio = S3C2410_GPA(4);
 259                 check_gpio = S3C2410_GPA(3);
 260                 break;
 261         case S3C2410_GPA(7):
 262                 blink_gpio = S3C2410_GPA(3);
 263                 check_gpio = S3C2410_GPA(4);
 264                 break;
 265         default:
 266                 return -EINVAL;
 267                 break;
 268         }
 269
 270         if (delay_on && delay_off && !*delay_on && !*delay_off)
 271                 *delay_on = *delay_off = 500;
 272
 273         spin_lock(&rx1950_blink_spin);
 274
 275         switch (state) {
 276         case GPIO_LED_NO_BLINK_LOW:
 277         case GPIO_LED_NO_BLINK_HIGH:
 278                 if (!gpio_get_value(check_gpio))
 279                         gpio_set_value(S3C2410_GPJ(6), 0);
 280                 gpio_set_value(blink_gpio, 0);
 281                 gpio_set_value(gpio, state);
 282                 break;
 283         case GPIO_LED_BLINK:
 284                 gpio_set_value(gpio, 0);
 285                 gpio_set_value(S3C2410_GPJ(6), 1);
 286                 gpio_set_value(blink_gpio, 1);
 287                 break;
 288         }
 289
 290         spin_unlock(&rx1950_blink_spin);
 291
 292         return 0;
 293 }
 294
 295 static struct gpio_led rx1950_leds_desc[] = {
 296         {
 297                 .name                   = "Green",
 298                 .default_trigger        = "main-battery-full",
 299                 .gpio                   = S3C2410_GPA(6),
 300                 .retain_state_suspended = 1,
 301         },
 302         {
 303                 .name                   = "Red",
 304                 .default_trigger
 305                         = "main-battery-charging-blink-full-solid",
 306                 .gpio                   = S3C2410_GPA(7),
 307                 .retain_state_suspended = 1,
 308         },
 309         {
 310                 .name                   = "Blue",
 311                 .default_trigger        = "rx1950-acx-mem",
 312                 .gpio                   = S3C2410_GPA(11),
 313                 .retain_state_suspended = 1,
 314         },
 315 };
 316
 317 static struct gpio_led_platform_data rx1950_leds_pdata = {
 318         .num_leds       = ARRAY_SIZE(rx1950_leds_desc),
 319         .leds           = rx1950_leds_desc,
 320         .gpio_blink_set = rx1950_led_blink_set,
 321 };
 322
 323 static struct platform_device rx1950_leds = {
 324         .name   = "leds-gpio",
 325         .id             = -1,
 326         .dev    = {
 327                                 .platform_data = &rx1950_leds_pdata,
 328         },
 329 };
 330
 331 static struct s3c_adc_bat_pdata rx1950_bat_cfg = {
 332         .init = rx1950_bat_init,
 333         .exit = rx1950_bat_exit,
 334         .enable_charger = rx1950_enable_charger,
 335         .disable_charger = rx1950_disable_charger,
 336         .gpio_charge_finished = S3C2410_GPF(3),
 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 = 4235,
 344         .current_mult = 2900,
 345         .internal_impedance = 200,
 346 };
 347
 348 static struct platform_device rx1950_battery = {
 349         .name             = "s3c-adc-battery",
 350         .id               = -1,
 351         .dev = {
 352                 .parent = &s3c_device_adc.dev,
 353                 .platform_data = &rx1950_bat_cfg,
 354         },
 355 };
 356
 357 static struct s3c2410fb_mach_info rx1950_lcd_cfg = {
 358         .displays = &rx1950_display,
 359         .num_displays = 1,
 360         .default_display = 0,
 361
 362         .lpcsel = 0x02,
 363         .gpccon = 0xaa9556a9,
 364         .gpccon_mask = 0xffc003fc,
 365         .gpcup = 0x0000ffff,
 366         .gpcup_mask = 0xffffffff,
 367
 368         .gpdcon = 0xaa90aaa1,
 369         .gpdcon_mask = 0xffc0fff0,
 370         .gpdup = 0x0000fcfd,
 371         .gpdup_mask = 0xffffffff,
 372
 373 };
 374
 375 static struct pwm_device *lcd_pwm;
 376
 377 static void rx1950_lcd_power(int enable)
 378 {
 379         int i;
 380         static int enabled;
 381         if (enabled == enable)
 382                 return;
 383         if (!enable) {
 384
 385                 /* GPC11-GPC15->OUTPUT */
 386                 for (i = 11; i < 16; i++)
 387                         gpio_direction_output(S3C2410_GPC(i), 1);
 388
 389                 /* Wait a bit here... */
 390                 mdelay(100);
 391
 392                 /* GPD2-GPD7->OUTPUT */
 393                 /* GPD11-GPD15->OUTPUT */
 394                 /* GPD2-GPD7->1, GPD11-GPD15->1 */
 395                 for (i = 2; i < 8; i++)
 396                         gpio_direction_output(S3C2410_GPD(i), 1);
 397                 for (i = 11; i < 16; i++)
 398                         gpio_direction_output(S3C2410_GPD(i), 1);
 399
 400                 /* Wait a bit here...*/
 401                 mdelay(100);
 402
 403                 /* GPB0->OUTPUT, GPB0->0 */
 404                 gpio_direction_output(S3C2410_GPB(0), 0);
 405
 406                 /* GPC1-GPC4->OUTPUT, GPC1-4->0 */
 407                 for (i = 1; i < 5; i++)
 408                         gpio_direction_output(S3C2410_GPC(i), 0);
 409
 410                 /* GPC15-GPC11->0 */
 411                 for (i = 11; i < 16; i++)
 412                         gpio_direction_output(S3C2410_GPC(i), 0);
 413
 414                 /* GPD15-GPD11->0, GPD2->GPD7->0 */
 415                 for (i = 11; i < 16; i++)
 416                         gpio_direction_output(S3C2410_GPD(i), 0);
 417
 418                 for (i = 2; i < 8; i++)
 419                         gpio_direction_output(S3C2410_GPD(i), 0);
 420
 421                 /* GPC6->0, GPC7->0, GPC5->0 */
 422                 gpio_direction_output(S3C2410_GPC(6), 0);
 423                 gpio_direction_output(S3C2410_GPC(7), 0);
 424                 gpio_direction_output(S3C2410_GPC(5), 0);
 425
 426                 /* GPB1->OUTPUT, GPB1->0 */
 427                 gpio_direction_output(S3C2410_GPB(1), 0);
 428                 pwm_config(lcd_pwm, 0, LCD_PWM_PERIOD);
 429                 pwm_disable(lcd_pwm);
 430
 431                 /* GPC0->0, GPC10->0 */
 432                 gpio_direction_output(S3C2410_GPC(0), 0);
 433                 gpio_direction_output(S3C2410_GPC(10), 0);
 434         } else {
 435                 pwm_config(lcd_pwm, LCD_PWM_DUTY, LCD_PWM_PERIOD);
 436                 pwm_enable(lcd_pwm);
 437
 438                 gpio_direction_output(S3C2410_GPC(0), 1);
 439                 gpio_direction_output(S3C2410_GPC(5), 1);
 440
 441                 s3c_gpio_cfgpin(S3C2410_GPB(1), S3C2410_GPB1_TOUT1);
 442                 gpio_direction_output(S3C2410_GPC(7), 1);
 443
 444                 for (i = 1; i < 5; i++)
 445                         s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));
 446
 447                 for (i = 11; i < 16; i++)
 448                         s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));
 449
 450                 for (i = 2; i < 8; i++)
 451                         s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));
 452
 453                 for (i = 11; i < 16; i++)
 454                         s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));
 455
 456                 gpio_direction_output(S3C2410_GPC(10), 1);
 457                 gpio_direction_output(S3C2410_GPC(6), 1);
 458         }
 459         enabled = enable;
 460 }
 461
 462 static void rx1950_bl_power(int enable)
 463 {
 464         static int enabled;
 465         if (enabled == enable)
 466                 return;
 467         if (!enable) {
 468                         gpio_direction_output(S3C2410_GPB(0), 0);
 469         } else {
 470                         /* LED driver need a "push" to power on */
 471                         gpio_direction_output(S3C2410_GPB(0), 1);
 472                         /* Warm up backlight for one period of PWM.
 473                          * Without this trick its almost impossible to
 474                          * enable backlight with low brightness value
 475                          */
 476                         ndelay(48000);
 477                         s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
 478         }
 479         enabled = enable;
 480 }
 481
 482 static int rx1950_backlight_init(struct device *dev)
 483 {
 484         WARN_ON(gpio_request(S3C2410_GPB(0), "Backlight"));
 485         lcd_pwm = pwm_request(1, "RX1950 LCD");
 486         if (IS_ERR(lcd_pwm)) {
 487                 dev_err(dev, "Unable to request PWM for LCD power!\n");
 488                 return PTR_ERR(lcd_pwm);
 489         }
 490
 491         rx1950_lcd_power(1);
 492         rx1950_bl_power(1);
 493
 494         return 0;
 495 }
 496
 497 static void rx1950_backlight_exit(struct device *dev)
 498 {
 499         rx1950_bl_power(0);
 500         rx1950_lcd_power(0);
 501
 502         pwm_free(lcd_pwm);
 503         gpio_free(S3C2410_GPB(0));
 504 }
 505
 506
 507 static int rx1950_backlight_notify(struct device *dev, int brightness)
 508 {
 509         if (!brightness) {
 510                 rx1950_bl_power(0);
 511                 rx1950_lcd_power(0);
 512         } else {
 513                 rx1950_lcd_power(1);
 514                 rx1950_bl_power(1);
 515         }
 516         return brightness;
 517 }
 518
 519 static struct platform_pwm_backlight_data rx1950_backlight_data = {
 520         .pwm_id = 0,
 521         .max_brightness = 24,
 522         .dft_brightness = 4,
 523         .pwm_period_ns = 48000,
 524         .init = rx1950_backlight_init,
 525         .notify = rx1950_backlight_notify,
 526         .exit = rx1950_backlight_exit,
 527 };
 528
 529 static struct platform_device rx1950_backlight = {
 530         .name = "pwm-backlight",
 531         .dev = {
 532                 .parent = &s3c_device_timer[0].dev,
 533                 .platform_data = &rx1950_backlight_data,
 534         },
 535 };
 536
 537 static void rx1950_set_mmc_power(unsigned char power_mode, unsigned short vdd)
 538 {
 539         switch (power_mode) {
 540         case MMC_POWER_OFF:
 541                 gpio_direction_output(S3C2410_GPJ(1), 0);
 542                 break;
 543         case MMC_POWER_UP:
 544         case MMC_POWER_ON:
 545                 gpio_direction_output(S3C2410_GPJ(1), 1);
 546                 break;
 547         default:
 548                 break;
 549         }
 550 }
 551
 552 static struct s3c24xx_mci_pdata rx1950_mmc_cfg __initdata = {
 553         .gpio_detect = S3C2410_GPF(5),
 554         .gpio_wprotect = S3C2410_GPH(8),
 555         .set_power = rx1950_set_mmc_power,
 556         .ocr_avail = MMC_VDD_32_33,
 557 };
 558
 559 static struct mtd_partition rx1950_nand_part[] = {
 560         [0] = {
 561                         .name = "Boot0",
 562                         .offset = 0,
 563                         .size = 0x4000,
 564                         .mask_flags = MTD_WRITEABLE,
 565         },
 566         [1] = {
 567                         .name = "Boot1",
 568                         .offset = MTDPART_OFS_APPEND,
 569                         .size = 0x40000,
 570                         .mask_flags = MTD_WRITEABLE,
 571         },
 572         [2] = {
 573                         .name = "Kernel",
 574                         .offset = MTDPART_OFS_APPEND,
 575                         .size = 0x300000,
 576                         .mask_flags = 0,
 577         },
 578         [3] = {
 579                         .name = "Filesystem",
 580                         .offset = MTDPART_OFS_APPEND,
 581                         .size = MTDPART_SIZ_FULL,
 582                         .mask_flags = 0,
 583         },
 584 };
 585
 586 static struct s3c2410_nand_set rx1950_nand_sets[] = {
 587         [0] = {
 588                         .name = "Internal",
 589                         .nr_chips = 1,
 590                         .nr_partitions = ARRAY_SIZE(rx1950_nand_part),
 591                         .partitions = rx1950_nand_part,
 592         },
 593 };
 594
 595 static struct s3c2410_platform_nand rx1950_nand_info = {
 596         .tacls = 25,
 597         .twrph0 = 50,
 598         .twrph1 = 15,
 599         .nr_sets = ARRAY_SIZE(rx1950_nand_sets),
 600         .sets = rx1950_nand_sets,
 601 };
 602
 603 static struct s3c2410_udc_mach_info rx1950_udc_cfg __initdata = {
 604         .vbus_pin = S3C2410_GPG(5),
 605         .vbus_pin_inverted = 1,
 606         .pullup_pin = S3C2410_GPJ(5),
 607 };
 608
 609 static struct s3c2410_ts_mach_info rx1950_ts_cfg __initdata = {
 610         .delay = 10000,
 611         .presc = 49,
 612         .oversampling_shift = 3,
 613 };
 614
 615 static struct gpio_keys_button rx1950_gpio_keys_table[] = {
 616         {
 617                 .code           = KEY_POWER,
 618                 .gpio           = S3C2410_GPF(0),
 619                 .active_low     = 1,
 620                 .desc           = "Power button",
 621                 .wakeup         = 1,
 622         },
 623         {
 624                 .code           = KEY_F5,
 625                 .gpio           = S3C2410_GPF(7),
 626                 .active_low     = 1,
 627                 .desc           = "Record button",
 628         },
 629         {
 630                 .code           = KEY_F1,
 631                 .gpio           = S3C2410_GPG(0),
 632                 .active_low     = 1,
 633                 .desc           = "Calendar button",
 634         },
 635         {
 636                 .code           = KEY_F2,
 637                 .gpio           = S3C2410_GPG(2),
 638                 .active_low     = 1,
 639                 .desc           = "Contacts button",
 640         },
 641         {
 642                 .code           = KEY_F3,
 643                 .gpio           = S3C2410_GPG(3),
 644                 .active_low     = 1,
 645                 .desc           = "Mail button",
 646         },
 647         {
 648                 .code           = KEY_F4,
 649                 .gpio           = S3C2410_GPG(7),
 650                 .active_low     = 1,
 651                 .desc           = "WLAN button",
 652         },
 653         {
 654                 .code           = KEY_LEFT,
 655                 .gpio           = S3C2410_GPG(10),
 656                 .active_low     = 1,
 657                 .desc           = "Left button",
 658         },
 659         {
 660                 .code           = KEY_RIGHT,
 661                 .gpio           = S3C2410_GPG(11),
 662                 .active_low     = 1,
 663                 .desc           = "Right button",
 664         },
 665         {
 666                 .code           = KEY_UP,
 667                 .gpio           = S3C2410_GPG(4),
 668                 .active_low     = 1,
 669                 .desc           = "Up button",
 670         },
 671         {
 672                 .code           = KEY_DOWN,
 673                 .gpio           = S3C2410_GPG(6),
 674                 .active_low     = 1,
 675                 .desc           = "Down button",
 676         },
 677         {
 678                 .code           = KEY_ENTER,
 679                 .gpio           = S3C2410_GPG(9),
 680                 .active_low     = 1,
 681                 .desc           = "Ok button"
 682         },
 683 };
 684
 685 static struct gpio_keys_platform_data rx1950_gpio_keys_data = {
 686         .buttons = rx1950_gpio_keys_table,
 687         .nbuttons = ARRAY_SIZE(rx1950_gpio_keys_table),
 688 };
 689
 690 static struct platform_device rx1950_device_gpiokeys = {
 691         .name = "gpio-keys",
 692         .dev.platform_data = &rx1950_gpio_keys_data,
 693 };
 694
 695 static struct uda1380_platform_data uda1380_info = {
 696         .gpio_power     = S3C2410_GPJ(0),
 697         .gpio_reset     = S3C2410_GPD(0),
 698         .dac_clk        = UDA1380_DAC_CLK_SYSCLK,
 699 };
 700
 701 static struct i2c_board_info rx1950_i2c_devices[] = {
 702         {
 703                 I2C_BOARD_INFO("uda1380", 0x1a),
 704                 .platform_data = &uda1380_info,
 705         },
 706 };
 707
 708 static struct platform_device *rx1950_devices[] __initdata = {
 709         &s3c_device_lcd,
 710         &s3c_device_wdt,
 711         &s3c_device_i2c0,
 712         &s3c_device_iis,
 713         &s3c_device_usbgadget,
 714         &s3c_device_rtc,
 715         &s3c_device_nand,
 716         &s3c_device_sdi,
 717         &s3c_device_adc,
 718         &s3c_device_ts,
 719         &s3c_device_timer[0],
 720         &s3c_device_timer[1],
 721         &rx1950_backlight,
 722         &rx1950_device_gpiokeys,
 723         &power_supply,
 724         &rx1950_battery,
 725         &rx1950_leds,
 726 };
 727
 728 static struct clk *rx1950_clocks[] __initdata = {
 729         &s3c24xx_clkout0,
 730         &s3c24xx_clkout1,
 731 };
 732
 733 static void __init rx1950_map_io(void)
 734 {
 735         s3c24xx_clkout0.parent  = &clk_h;
 736         s3c24xx_clkout1.parent  = &clk_f;
 737
 738         s3c24xx_register_clocks(rx1950_clocks, ARRAY_SIZE(rx1950_clocks));
 739
 740         s3c24xx_init_io(rx1950_iodesc, ARRAY_SIZE(rx1950_iodesc));
 741         s3c24xx_init_clocks(16934000);
 742         s3c24xx_init_uarts(rx1950_uartcfgs, ARRAY_SIZE(rx1950_uartcfgs));
 743
 744         /* setup PM */
 745
 746 #ifdef CONFIG_PM_H1940
 747         memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 8);
 748 #endif
 749
 750         s3c_pm_init();
 751 }
 752
 753 static void __init rx1950_init_machine(void)
 754 {
 755         int i;
 756
 757         s3c24xx_fb_set_platdata(&rx1950_lcd_cfg);
 758         s3c24xx_udc_set_platdata(&rx1950_udc_cfg);
 759         s3c24xx_ts_set_platdata(&rx1950_ts_cfg);
 760         s3c24xx_mci_set_platdata(&rx1950_mmc_cfg);
 761         s3c_i2c0_set_platdata(NULL);
 762         s3c_nand_set_platdata(&rx1950_nand_info);
 763
 764         /* Turn off suspend on both USB ports, and switch the
 765          * selectable USB port to USB device mode. */
 766         s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
 767                                                 S3C2410_MISCCR_USBSUSPND0 |
 768                                                 S3C2410_MISCCR_USBSUSPND1, 0x0);
 769
 770         /* mmc power is disabled by default */
 771         WARN_ON(gpio_request(S3C2410_GPJ(1), "MMC power"));
 772         gpio_direction_output(S3C2410_GPJ(1), 0);
 773
 774         for (i = 0; i < 8; i++)
 775                 WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
 776
 777         for (i = 10; i < 16; i++)
 778                 WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
 779
 780         for (i = 2; i < 8; i++)
 781                 WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
 782
 783         for (i = 11; i < 16; i++)
 784                 WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
 785
 786         WARN_ON(gpio_request(S3C2410_GPB(1), "LCD power"));
 787
 788         WARN_ON(gpio_request(S3C2410_GPA(3), "Red blink"));
 789         WARN_ON(gpio_request(S3C2410_GPA(4), "Green blink"));
 790         WARN_ON(gpio_request(S3C2410_GPJ(6), "LED blink"));
 791         gpio_direction_output(S3C2410_GPA(3), 0);
 792         gpio_direction_output(S3C2410_GPA(4), 0);
 793         gpio_direction_output(S3C2410_GPJ(6), 0);
 794
 795         platform_add_devices(rx1950_devices, ARRAY_SIZE(rx1950_devices));
 796
 797         i2c_register_board_info(0, rx1950_i2c_devices,
 798                 ARRAY_SIZE(rx1950_i2c_devices));
 799 }
 800
 801 /* H1940 and RX3715 need to reserve this for suspend */
 802 static void __init rx1950_reserve(void)
 803 {
 804         memblock_reserve(0x30003000, 0x1000);
 805         memblock_reserve(0x30081000, 0x1000);
 806 }
 807
 808 MACHINE_START(RX1950, "HP iPAQ RX1950")
 809     /* Maintainers: Vasily Khoruzhick */
 810         .atag_offset = 0x100,
 811         .map_io = rx1950_map_io,
 812         .reserve        = rx1950_reserve,
 813         .init_irq = s3c24xx_init_irq,
 814         .init_machine = rx1950_init_machine,
 815         .init_time      = s3c24xx_timer_init,
 816         .restart        = s3c244x_restart,
 817 MACHINE_END