arch/arm/mach-s3c2440/mach-rx1950.c

   1 /* linux/arch/arm/mach-s3c2440/mach-rx1950.c
   2  *
   3  * Copyright (c) 2006-2009 Victor Chukhantsev, Denis Grigoriev,
   4  * Copyright (c) 2007-2010 Vasily Khoruzhick
   5  *
   6  * based on smdk2440 written by Ben Dooks
   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/delay.h>
  20 #include <linux/timer.h>
  21 #include <linux/init.h>
  22 #include <linux/gpio.h>
  23 #include <linux/platform_device.h>
  24 #include <linux/serial_core.h>
  25 #include <linux/input.h>
  26 #include <linux/gpio_keys.h>
  27 #include <linux/sysdev.h>
  28 #include <linux/pda_power.h>
  29 #include <linux/pwm_backlight.h>
  30 #include <linux/pwm.h>
  31 #include <linux/s3c_adc_battery.h>
  32 #include <linux/leds.h>
  33 #include <linux/i2c.h>
  34
  35 #include <linux/mtd/mtd.h>
  36 #include <linux/mtd/partitions.h>
  37
  38 #include <linux/mmc/host.h>
  39
  40 #include <asm/mach/arch.h>
  41 #include <asm/mach/map.h>
  42 #include <asm/mach-types.h>
  43
  44 #include <mach/regs-gpio.h>
  45 #include <mach/regs-gpioj.h>
  46 #include <mach/h1940.h>
  47 #include <mach/fb.h>
  48
  49 #include <plat/clock.h>
  50 #include <plat/regs-serial.h>
  51 #include <plat/regs-iic.h>
  52 #include <plat/mci.h>
  53 #include <plat/udc.h>
  54 #include <plat/nand.h>
  55 #include <plat/iic.h>
  56 #include <plat/devs.h>
  57 #include <plat/cpu.h>
  58 #include <plat/pm.h>
  59 #include <plat/irq.h>
  60 #include <plat/ts.h>
  61
  62 #include <sound/uda1380.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 s3c24xx_uart_clksrc rx1950_serial_clocks[] = {
  71         [0] = {
  72                .name = "fclk",
  73                .divisor = 0x0a,
  74                .min_baud = 0,
  75                .max_baud = 0,
  76         },
  77 };
  78
  79 static struct s3c2410_uartcfg rx1950_uartcfgs[] __initdata = {
  80         [0] = {
  81                .hwport = 0,
  82                .flags = 0,
  83                .ucon = 0x3c5,
  84                .ulcon = 0x03,
  85                .ufcon = 0x51,
  86                .clocks = rx1950_serial_clocks,
  87                .clocks_size = ARRAY_SIZE(rx1950_serial_clocks),
  88         },
  89         [1] = {
  90                .hwport = 1,
  91                .flags = 0,
  92                .ucon = 0x3c5,
  93                .ulcon = 0x03,
  94                .ufcon = 0x51,
  95                .clocks = rx1950_serial_clocks,
  96                .clocks_size = ARRAY_SIZE(rx1950_serial_clocks),
  97         },
  98         /* IR port */
  99         [2] = {
 100                .hwport = 2,
 101                .flags = 0,
 102                .ucon = 0x3c5,
 103                .ulcon = 0x43,
 104                .ufcon = 0xf1,
 105                .clocks = rx1950_serial_clocks,
 106                .clocks_size = ARRAY_SIZE(rx1950_serial_clocks),
 107         },
 108 };
 109
 110 static struct s3c2410fb_display rx1950_display = {
 111         .type = S3C2410_LCDCON1_TFT,
 112         .width = 240,
 113         .height = 320,
 114         .xres = 240,
 115         .yres = 320,
 116         .bpp = 16,
 117
 118         .pixclock = 260000,
 119         .left_margin = 10,
 120         .right_margin = 20,
 121         .hsync_len = 10,
 122         .upper_margin = 2,
 123         .lower_margin = 2,
 124         .vsync_len = 2,
 125
 126         .lcdcon5 = S3C2410_LCDCON5_FRM565 |
 127                            S3C2410_LCDCON5_INVVCLK |
 128                            S3C2410_LCDCON5_INVVLINE |
 129                            S3C2410_LCDCON5_INVVFRAME |
 130                            S3C2410_LCDCON5_HWSWP |
 131                            (0x02 << 13) |
 132                            (0x02 << 15),
 133
 134 };
 135
 136 static int power_supply_init(struct device *dev)
 137 {
 138         return gpio_request(S3C2410_GPF(2), "cable plugged");
 139 }
 140
 141 static int rx1950_is_ac_online(void)
 142 {
 143         return !gpio_get_value(S3C2410_GPF(2));
 144 }
 145
 146 static void power_supply_exit(struct device *dev)
 147 {
 148         gpio_free(S3C2410_GPF(2));
 149 }
 150
 151 static char *rx1950_supplicants[] = {
 152         "main-battery"
 153 };
 154
 155 static struct pda_power_pdata power_supply_info = {
 156         .init                   = power_supply_init,
 157         .is_ac_online           = rx1950_is_ac_online,
 158         .exit                   = power_supply_exit,
 159         .supplied_to            = rx1950_supplicants,
 160         .num_supplicants        = ARRAY_SIZE(rx1950_supplicants),
 161 };
 162
 163 static struct resource power_supply_resources[] = {
 164         [0] = {
 165                         .name   = "ac",
 166                         .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE |
 167                                           IORESOURCE_IRQ_HIGHEDGE,
 168                         .start  = IRQ_EINT2,
 169                         .end    = IRQ_EINT2,
 170         },
 171 };
 172
 173 static struct platform_device power_supply = {
 174         .name                   = "pda-power",
 175         .id                     = -1,
 176         .dev                    = {
 177                                         .platform_data =
 178                                                 &power_supply_info,
 179         },
 180         .resource               = power_supply_resources,
 181         .num_resources          = ARRAY_SIZE(power_supply_resources),
 182 };
 183
 184 static const struct s3c_adc_bat_thresh bat_lut_noac[] = {
 185         { .volt = 4100, .cur = 156, .level = 100},
 186         { .volt = 4050, .cur = 156, .level = 95},
 187         { .volt = 4025, .cur = 141, .level = 90},
 188         { .volt = 3995, .cur = 144, .level = 85},
 189         { .volt = 3957, .cur = 162, .level = 80},
 190         { .volt = 3931, .cur = 147, .level = 75},
 191         { .volt = 3902, .cur = 147, .level = 70},
 192         { .volt = 3863, .cur = 153, .level = 65},
 193         { .volt = 3838, .cur = 150, .level = 60},
 194         { .volt = 3800, .cur = 153, .level = 55},
 195         { .volt = 3765, .cur = 153, .level = 50},
 196         { .volt = 3748, .cur = 172, .level = 45},
 197         { .volt = 3740, .cur = 153, .level = 40},
 198         { .volt = 3714, .cur = 175, .level = 35},
 199         { .volt = 3710, .cur = 156, .level = 30},
 200         { .volt = 3963, .cur = 156, .level = 25},
 201         { .volt = 3672, .cur = 178, .level = 20},
 202         { .volt = 3651, .cur = 178, .level = 15},
 203         { .volt = 3629, .cur = 178, .level = 10},
 204         { .volt = 3612, .cur = 162, .level = 5},
 205         { .volt = 3605, .cur = 162, .level = 0},
 206 };
 207
 208 static const struct s3c_adc_bat_thresh bat_lut_acin[] = {
 209         { .volt = 4200, .cur = 0, .level = 100},
 210         { .volt = 4190, .cur = 0, .level = 99},
 211         { .volt = 4178, .cur = 0, .level = 95},
 212         { .volt = 4110, .cur = 0, .level = 70},
 213         { .volt = 4076, .cur = 0, .level = 65},
 214         { .volt = 4046, .cur = 0, .level = 60},
 215         { .volt = 4021, .cur = 0, .level = 55},
 216         { .volt = 3999, .cur = 0, .level = 50},
 217         { .volt = 3982, .cur = 0, .level = 45},
 218         { .volt = 3965, .cur = 0, .level = 40},
 219         { .volt = 3957, .cur = 0, .level = 35},
 220         { .volt = 3948, .cur = 0, .level = 30},
 221         { .volt = 3936, .cur = 0, .level = 25},
 222         { .volt = 3927, .cur = 0, .level = 20},
 223         { .volt = 3906, .cur = 0, .level = 15},
 224         { .volt = 3880, .cur = 0, .level = 10},
 225         { .volt = 3829, .cur = 0, .level = 5},
 226         { .volt = 3820, .cur = 0, .level = 0},
 227 };
 228
 229 int rx1950_bat_init(void)
 230 {
 231         int ret;
 232
 233         ret = gpio_request(S3C2410_GPJ(2), "rx1950-charger-enable-1");
 234         if (ret)
 235                 goto err_gpio1;
 236         ret = gpio_request(S3C2410_GPJ(3), "rx1950-charger-enable-2");
 237         if (ret)
 238                 goto err_gpio2;
 239
 240         return 0;
 241
 242 err_gpio2:
 243         gpio_free(S3C2410_GPJ(2));
 244 err_gpio1:
 245         return ret;
 246 }
 247
 248 void rx1950_bat_exit(void)
 249 {
 250         gpio_free(S3C2410_GPJ(2));
 251         gpio_free(S3C2410_GPJ(3));
 252 }
 253
 254 void rx1950_enable_charger(void)
 255 {
 256         gpio_direction_output(S3C2410_GPJ(2), 1);
 257         gpio_direction_output(S3C2410_GPJ(3), 1);
 258 }
 259
 260 void rx1950_disable_charger(void)
 261 {
 262         gpio_direction_output(S3C2410_GPJ(2), 0);
 263         gpio_direction_output(S3C2410_GPJ(3), 0);
 264 }
 265
 266 DEFINE_SPINLOCK(rx1950_blink_spin);
 267
 268 static int rx1950_led_blink_set(unsigned gpio, int state,
 269         unsigned long *delay_on, unsigned long *delay_off)
 270 {
 271         int blink_gpio, check_gpio;
 272
 273         switch (gpio) {
 274         case S3C2410_GPA(6):
 275                 blink_gpio = S3C2410_GPA(4);
 276                 check_gpio = S3C2410_GPA(3);
 277                 break;
 278         case S3C2410_GPA(7):
 279                 blink_gpio = S3C2410_GPA(3);
 280                 check_gpio = S3C2410_GPA(4);
 281                 break;
 282         default:
 283                 return -EINVAL;
 284                 break;
 285         }
 286
 287         if (delay_on && delay_off && !*delay_on && !*delay_off)
 288                 *delay_on = *delay_off = 500;
 289
 290         spin_lock(&rx1950_blink_spin);
 291
 292         switch (state) {
 293         case GPIO_LED_NO_BLINK_LOW:
 294         case GPIO_LED_NO_BLINK_HIGH:
 295                 if (!gpio_get_value(check_gpio))
 296                         gpio_set_value(S3C2410_GPJ(6), 0);
 297                 gpio_set_value(blink_gpio, 0);
 298                 gpio_set_value(gpio, state);
 299                 break;
 300         case GPIO_LED_BLINK:
 301                 gpio_set_value(gpio, 0);
 302                 gpio_set_value(S3C2410_GPJ(6), 1);
 303                 gpio_set_value(blink_gpio, 1);
 304                 break;
 305         }
 306
 307         spin_unlock(&rx1950_blink_spin);
 308
 309         return 0;
 310 }
 311
 312 static struct gpio_led rx1950_leds_desc[] = {
 313         {
 314                 .name                   = "Green",
 315                 .default_trigger        = "main-battery-full",
 316                 .gpio                   = S3C2410_GPA(6),
 317                 .retain_state_suspended = 1,
 318         },
 319         {
 320                 .name                   = "Red",
 321                 .default_trigger
 322                         = "main-battery-charging-blink-full-solid",
 323                 .gpio                   = S3C2410_GPA(7),
 324                 .retain_state_suspended = 1,
 325         },
 326         {
 327                 .name                   = "Blue",
 328                 .default_trigger        = "rx1950-acx-mem",
 329                 .gpio                   = S3C2410_GPA(11),
 330                 .retain_state_suspended = 1,
 331         },
 332 };
 333
 334 static struct gpio_led_platform_data rx1950_leds_pdata = {
 335         .num_leds       = ARRAY_SIZE(rx1950_leds_desc),
 336         .leds           = rx1950_leds_desc,
 337         .gpio_blink_set = rx1950_led_blink_set,
 338 };
 339
 340 static struct platform_device rx1950_leds = {
 341         .name   = "leds-gpio",
 342         .id             = -1,
 343         .dev    = {
 344                                 .platform_data = &rx1950_leds_pdata,
 345         },
 346 };
 347
 348 static struct s3c_adc_bat_pdata rx1950_bat_cfg = {
 349         .init = rx1950_bat_init,
 350         .exit = rx1950_bat_exit,
 351         .enable_charger = rx1950_enable_charger,
 352         .disable_charger = rx1950_disable_charger,
 353         .gpio_charge_finished = S3C2410_GPF(3),
 354         .lut_noac = bat_lut_noac,
 355         .lut_noac_cnt = ARRAY_SIZE(bat_lut_noac),
 356         .lut_acin = bat_lut_acin,
 357         .lut_acin_cnt = ARRAY_SIZE(bat_lut_acin),
 358         .volt_channel = 0,
 359         .current_channel = 1,
 360         .volt_mult = 4235,
 361         .current_mult = 2900,
 362         .internal_impedance = 200,
 363 };
 364
 365 static struct platform_device rx1950_battery = {
 366         .name             = "s3c-adc-battery",
 367         .id               = -1,
 368         .dev = {
 369                 .parent = &s3c_device_adc.dev,
 370                 .platform_data = &rx1950_bat_cfg,
 371         },
 372 };
 373
 374 static struct s3c2410fb_mach_info rx1950_lcd_cfg = {
 375         .displays = &rx1950_display,
 376         .num_displays = 1,
 377         .default_display = 0,
 378
 379         .lpcsel = 0x02,
 380         .gpccon = 0xaa9556a9,
 381         .gpccon_mask = 0xffc003fc,
 382         .gpcup = 0x0000ffff,
 383         .gpcup_mask = 0xffffffff,
 384
 385         .gpdcon = 0xaa90aaa1,
 386         .gpdcon_mask = 0xffc0fff0,
 387         .gpdup = 0x0000fcfd,
 388         .gpdup_mask = 0xffffffff,
 389
 390 };
 391
 392 static struct pwm_device *lcd_pwm;
 393
 394 void rx1950_lcd_power(int enable)
 395 {
 396         int i;
 397         static int enabled;
 398         if (enabled == enable)
 399                 return;
 400         if (!enable) {
 401
 402                 /* GPC11-GPC15->OUTPUT */
 403                 for (i = 11; i < 16; i++)
 404                         gpio_direction_output(S3C2410_GPC(i), 1);
 405
 406                 /* Wait a bit here... */
 407                 mdelay(100);
 408
 409                 /* GPD2-GPD7->OUTPUT */
 410                 /* GPD11-GPD15->OUTPUT */
 411                 /* GPD2-GPD7->1, GPD11-GPD15->1 */
 412                 for (i = 2; i < 8; i++)
 413                         gpio_direction_output(S3C2410_GPD(i), 1);
 414                 for (i = 11; i < 16; i++)
 415                         gpio_direction_output(S3C2410_GPD(i), 1);
 416
 417                 /* Wait a bit here...*/
 418                 mdelay(100);
 419
 420                 /* GPB0->OUTPUT, GPB0->0 */
 421                 gpio_direction_output(S3C2410_GPB(0), 0);
 422
 423                 /* GPC1-GPC4->OUTPUT, GPC1-4->0 */
 424                 for (i = 1; i < 5; i++)
 425                         gpio_direction_output(S3C2410_GPC(i), 0);
 426
 427                 /* GPC15-GPC11->0 */
 428                 for (i = 11; i < 16; i++)
 429                         gpio_direction_output(S3C2410_GPC(i), 0);
 430
 431                 /* GPD15-GPD11->0, GPD2->GPD7->0 */
 432                 for (i = 11; i < 16; i++)
 433                         gpio_direction_output(S3C2410_GPD(i), 0);
 434
 435                 for (i = 2; i < 8; i++)
 436                         gpio_direction_output(S3C2410_GPD(i), 0);
 437
 438                 /* GPC6->0, GPC7->0, GPC5->0 */
 439                 gpio_direction_output(S3C2410_GPC(6), 0);
 440                 gpio_direction_output(S3C2410_GPC(7), 0);
 441                 gpio_direction_output(S3C2410_GPC(5), 0);
 442
 443                 /* GPB1->OUTPUT, GPB1->0 */
 444                 gpio_direction_output(S3C2410_GPB(1), 0);
 445                 pwm_config(lcd_pwm, 0, LCD_PWM_PERIOD);
 446                 pwm_disable(lcd_pwm);
 447
 448                 /* GPC0->0, GPC10->0 */
 449                 gpio_direction_output(S3C2410_GPC(0), 0);
 450                 gpio_direction_output(S3C2410_GPC(10), 0);
 451         } else {
 452                 pwm_config(lcd_pwm, LCD_PWM_DUTY, LCD_PWM_PERIOD);
 453                 pwm_enable(lcd_pwm);
 454
 455                 gpio_direction_output(S3C2410_GPC(0), 1);
 456                 gpio_direction_output(S3C2410_GPC(5), 1);
 457
 458                 s3c_gpio_cfgpin(S3C2410_GPB(1), S3C2410_GPB1_TOUT1);
 459                 gpio_direction_output(S3C2410_GPC(7), 1);
 460
 461                 for (i = 1; i < 5; i++)
 462                         s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));
 463
 464                 for (i = 11; i < 16; i++)
 465                         s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));
 466
 467                 for (i = 2; i < 8; i++)
 468                         s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));
 469
 470                 for (i = 11; i < 16; i++)
 471                         s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));
 472
 473                 gpio_direction_output(S3C2410_GPC(10), 1);
 474                 gpio_direction_output(S3C2410_GPC(6), 1);
 475         }
 476         enabled = enable;
 477 }
 478
 479 static void rx1950_bl_power(int enable)
 480 {
 481         static int enabled;
 482         if (enabled == enable)
 483                 return;
 484         if (!enable) {
 485                         gpio_direction_output(S3C2410_GPB(0), 0);
 486         } else {
 487                         /* LED driver need a "push" to power on */
 488                         gpio_direction_output(S3C2410_GPB(0), 1);
 489                         /* Warm up backlight for one period of PWM.
 490                          * Without this trick its almost impossible to
 491                          * enable backlight with low brightness value
 492                          */
 493                         ndelay(48000);
 494                         s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
 495         }
 496         enabled = enable;
 497 }
 498
 499 static int rx1950_backlight_init(struct device *dev)
 500 {
 501         WARN_ON(gpio_request(S3C2410_GPB(0), "Backlight"));
 502         lcd_pwm = pwm_request(1, "RX1950 LCD");
 503         if (IS_ERR(lcd_pwm)) {
 504                 dev_err(dev, "Unable to request PWM for LCD power!\n");
 505                 return PTR_ERR(lcd_pwm);
 506         }
 507
 508         rx1950_lcd_power(1);
 509         rx1950_bl_power(1);
 510
 511         return 0;
 512 }
 513
 514 static void rx1950_backlight_exit(struct device *dev)
 515 {
 516         rx1950_bl_power(0);
 517         rx1950_lcd_power(0);
 518
 519         pwm_free(lcd_pwm);
 520         gpio_free(S3C2410_GPB(0));
 521 }
 522
 523
 524 static int rx1950_backlight_notify(struct device *dev, int brightness)
 525 {
 526         if (!brightness) {
 527                 rx1950_bl_power(0);
 528                 rx1950_lcd_power(0);
 529         } else {
 530                 rx1950_lcd_power(1);
 531                 rx1950_bl_power(1);
 532         }
 533         return brightness;
 534 }
 535
 536 static struct platform_pwm_backlight_data rx1950_backlight_data = {
 537         .pwm_id = 0,
 538         .max_brightness = 24,
 539         .dft_brightness = 4,
 540         .pwm_period_ns = 48000,
 541         .init = rx1950_backlight_init,
 542         .notify = rx1950_backlight_notify,
 543         .exit = rx1950_backlight_exit,
 544 };
 545
 546 static struct platform_device rx1950_backlight = {
 547         .name = "pwm-backlight",
 548         .dev = {
 549                 .parent = &s3c_device_timer[0].dev,
 550                 .platform_data = &rx1950_backlight_data,
 551         },
 552 };
 553
 554 static void rx1950_set_mmc_power(unsigned char power_mode, unsigned short vdd)
 555 {
 556         switch (power_mode) {
 557         case MMC_POWER_OFF:
 558                 gpio_direction_output(S3C2410_GPJ(1), 0);
 559                 break;
 560         case MMC_POWER_UP:
 561         case MMC_POWER_ON:
 562                 gpio_direction_output(S3C2410_GPJ(1), 1);
 563                 break;
 564         default:
 565                 break;
 566         }
 567 }
 568
 569 static struct s3c24xx_mci_pdata rx1950_mmc_cfg __initdata = {
 570         .gpio_detect = S3C2410_GPF(5),
 571         .gpio_wprotect = S3C2410_GPH(8),
 572         .set_power = rx1950_set_mmc_power,
 573         .ocr_avail = MMC_VDD_32_33,
 574 };
 575
 576 static struct mtd_partition rx1950_nand_part[] = {
 577         [0] = {
 578                         .name = "Boot0",
 579                         .offset = 0,
 580                         .size = 0x4000,
 581                         .mask_flags = MTD_WRITEABLE,
 582         },
 583         [1] = {
 584                         .name = "Boot1",
 585                         .offset = MTDPART_OFS_APPEND,
 586                         .size = 0x40000,
 587                         .mask_flags = MTD_WRITEABLE,
 588         },
 589         [2] = {
 590                         .name = "Kernel",
 591                         .offset = MTDPART_OFS_APPEND,
 592                         .size = 0x300000,
 593                         .mask_flags = 0,
 594         },
 595         [3] = {
 596                         .name = "Filesystem",
 597                         .offset = MTDPART_OFS_APPEND,
 598                         .size = MTDPART_SIZ_FULL,
 599                         .mask_flags = 0,
 600         },
 601 };
 602
 603 static struct s3c2410_nand_set rx1950_nand_sets[] = {
 604         [0] = {
 605                         .name = "Internal",
 606                         .nr_chips = 1,
 607                         .nr_partitions = ARRAY_SIZE(rx1950_nand_part),
 608                         .partitions = rx1950_nand_part,
 609         },
 610 };
 611
 612 static struct s3c2410_platform_nand rx1950_nand_info = {
 613         .tacls = 25,
 614         .twrph0 = 50,
 615         .twrph1 = 15,
 616         .nr_sets = ARRAY_SIZE(rx1950_nand_sets),
 617         .sets = rx1950_nand_sets,
 618 };
 619
 620 static struct s3c2410_udc_mach_info rx1950_udc_cfg __initdata = {
 621         .vbus_pin = S3C2410_GPG(5),
 622         .vbus_pin_inverted = 1,
 623         .pullup_pin = S3C2410_GPJ(5),
 624 };
 625
 626 static struct s3c2410_ts_mach_info rx1950_ts_cfg __initdata = {
 627         .delay = 10000,
 628         .presc = 49,
 629         .oversampling_shift = 3,
 630 };
 631
 632 static struct gpio_keys_button rx1950_gpio_keys_table[] = {
 633         {
 634                 .code           = KEY_POWER,
 635                 .gpio           = S3C2410_GPF(0),
 636                 .active_low     = 1,
 637                 .desc           = "Power button",
 638                 .wakeup         = 1,
 639         },
 640         {
 641                 .code           = KEY_F5,
 642                 .gpio           = S3C2410_GPF(7),
 643                 .active_low     = 1,
 644                 .desc           = "Record button",
 645         },
 646         {
 647                 .code           = KEY_F1,
 648                 .gpio           = S3C2410_GPG(0),
 649                 .active_low     = 1,
 650                 .desc           = "Calendar button",
 651         },
 652         {
 653                 .code           = KEY_F2,
 654                 .gpio           = S3C2410_GPG(2),
 655                 .active_low     = 1,
 656                 .desc           = "Contacts button",
 657         },
 658         {
 659                 .code           = KEY_F3,
 660                 .gpio           = S3C2410_GPG(3),
 661                 .active_low     = 1,
 662                 .desc           = "Mail button",
 663         },
 664         {
 665                 .code           = KEY_F4,
 666                 .gpio           = S3C2410_GPG(7),
 667                 .active_low     = 1,
 668                 .desc           = "WLAN button",
 669         },
 670         {
 671                 .code           = KEY_LEFT,
 672                 .gpio           = S3C2410_GPG(10),
 673                 .active_low     = 1,
 674                 .desc           = "Left button",
 675         },
 676         {
 677                 .code           = KEY_RIGHT,
 678                 .gpio           = S3C2410_GPG(11),
 679                 .active_low     = 1,
 680                 .desc           = "Right button",
 681         },
 682         {
 683                 .code           = KEY_UP,
 684                 .gpio           = S3C2410_GPG(4),
 685                 .active_low     = 1,
 686                 .desc           = "Up button",
 687         },
 688         {
 689                 .code           = KEY_DOWN,
 690                 .gpio           = S3C2410_GPG(6),
 691                 .active_low     = 1,
 692                 .desc           = "Down button",
 693         },
 694         {
 695                 .code           = KEY_ENTER,
 696                 .gpio           = S3C2410_GPG(9),
 697                 .active_low     = 1,
 698                 .desc           = "Ok button"
 699         },
 700 };
 701
 702 static struct gpio_keys_platform_data rx1950_gpio_keys_data = {
 703         .buttons = rx1950_gpio_keys_table,
 704         .nbuttons = ARRAY_SIZE(rx1950_gpio_keys_table),
 705 };
 706
 707 static struct platform_device rx1950_device_gpiokeys = {
 708         .name = "gpio-keys",
 709         .dev.platform_data = &rx1950_gpio_keys_data,
 710 };
 711
 712 static struct uda1380_platform_data uda1380_info = {
 713         .gpio_power     = S3C2410_GPJ(0),
 714         .gpio_reset     = S3C2410_GPD(0),
 715         .dac_clk        = UDA1380_DAC_CLK_SYSCLK,
 716 };
 717
 718 static struct i2c_board_info rx1950_i2c_devices[] = {
 719         {
 720                 I2C_BOARD_INFO("uda1380", 0x1a),
 721                 .platform_data = &uda1380_info,
 722         },
 723 };
 724
 725 static struct platform_device *rx1950_devices[] __initdata = {
 726         &s3c_device_lcd,
 727         &s3c_device_wdt,
 728         &s3c_device_i2c0,
 729         &s3c_device_iis,
 730         &samsung_asoc_dma,
 731         &s3c_device_usbgadget,
 732         &s3c_device_rtc,
 733         &s3c_device_nand,
 734         &s3c_device_sdi,
 735         &s3c_device_adc,
 736         &s3c_device_ts,
 737         &s3c_device_timer[0],
 738         &s3c_device_timer[1],
 739         &rx1950_backlight,
 740         &rx1950_device_gpiokeys,
 741         &power_supply,
 742         &rx1950_battery,
 743         &rx1950_leds,
 744 };
 745
 746 static struct clk *rx1950_clocks[] __initdata = {
 747         &s3c24xx_clkout0,
 748         &s3c24xx_clkout1,
 749 };
 750
 751 static void __init rx1950_map_io(void)
 752 {
 753         s3c24xx_clkout0.parent  = &clk_h;
 754         s3c24xx_clkout1.parent  = &clk_f;
 755
 756         s3c24xx_register_clocks(rx1950_clocks, ARRAY_SIZE(rx1950_clocks));
 757
 758         s3c24xx_init_io(rx1950_iodesc, ARRAY_SIZE(rx1950_iodesc));
 759         s3c24xx_init_clocks(16934000);
 760         s3c24xx_init_uarts(rx1950_uartcfgs, ARRAY_SIZE(rx1950_uartcfgs));
 761
 762         /* setup PM */
 763
 764 #ifdef CONFIG_PM_H1940
 765         memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 8);
 766 #endif
 767
 768         s3c_pm_init();
 769 }
 770
 771 static void __init rx1950_init_machine(void)
 772 {
 773         int i;
 774
 775         s3c24xx_fb_set_platdata(&rx1950_lcd_cfg);
 776         s3c24xx_udc_set_platdata(&rx1950_udc_cfg);
 777         s3c24xx_ts_set_platdata(&rx1950_ts_cfg);
 778         s3c24xx_mci_set_platdata(&rx1950_mmc_cfg);
 779         s3c_i2c0_set_platdata(NULL);
 780         s3c_nand_set_platdata(&rx1950_nand_info);
 781
 782         /* Turn off suspend on both USB ports, and switch the
 783          * selectable USB port to USB device mode. */
 784         s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
 785                                                 S3C2410_MISCCR_USBSUSPND0 |
 786                                                 S3C2410_MISCCR_USBSUSPND1, 0x0);
 787
 788         /* mmc power is disabled by default */
 789         WARN_ON(gpio_request(S3C2410_GPJ(1), "MMC power"));
 790         gpio_direction_output(S3C2410_GPJ(1), 0);
 791
 792         for (i = 0; i < 8; i++)
 793                 WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
 794
 795         for (i = 10; i < 16; i++)
 796                 WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
 797
 798         for (i = 2; i < 8; i++)
 799                 WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
 800
 801         for (i = 11; i < 16; i++)
 802                 WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
 803
 804         WARN_ON(gpio_request(S3C2410_GPB(1), "LCD power"));
 805
 806         WARN_ON(gpio_request(S3C2410_GPA(3), "Red blink"));
 807         WARN_ON(gpio_request(S3C2410_GPA(4), "Green blink"));
 808         WARN_ON(gpio_request(S3C2410_GPJ(6), "LED blink"));
 809         gpio_direction_output(S3C2410_GPA(3), 0);
 810         gpio_direction_output(S3C2410_GPA(4), 0);
 811         gpio_direction_output(S3C2410_GPJ(6), 0);
 812
 813         platform_add_devices(rx1950_devices, ARRAY_SIZE(rx1950_devices));
 814
 815         i2c_register_board_info(0, rx1950_i2c_devices,
 816                 ARRAY_SIZE(rx1950_i2c_devices));
 817 }
 818
 819 /* H1940 and RX3715 need to reserve this for suspend */
 820 static void __init rx1950_reserve(void)
 821 {
 822         memblock_reserve(0x30003000, 0x1000);
 823         memblock_reserve(0x30081000, 0x1000);
 824 }
 825
 826 MACHINE_START(RX1950, "HP iPAQ RX1950")
 827     /* Maintainers: Vasily Khoruzhick */
 828         .boot_params = S3C2410_SDRAM_PA + 0x100,
 829         .map_io = rx1950_map_io,
 830         .reserve        = rx1950_reserve,
 831         .init_irq = s3c24xx_init_irq,
 832         .init_machine = rx1950_init_machine,
 833         .timer = &s3c24xx_timer,
 834 MACHINE_END