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/device.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/regs-lcd.h>
  47 #include <mach/h1940.h>
  48 #include <mach/fb.h>
  49
  50 #include <plat/clock.h>
  51 #include <plat/regs-serial.h>
  52 #include <plat/regs-iic.h>
  53 #include <plat/mci.h>
  54 #include <plat/udc.h>
  55 #include <plat/nand.h>
  56 #include <plat/iic.h>
  57 #include <plat/devs.h>
  58 #include <plat/cpu.h>
  59 #include <plat/pm.h>
  60 #include <plat/irq.h>
  61 #include <plat/ts.h>
  62
  63 #include <sound/uda1380.h>
  64
  65 #include "common.h"
  66
  67 #define LCD_PWM_PERIOD 192960
  68 #define LCD_PWM_DUTY 127353
  69
  70 static struct map_desc rx1950_iodesc[] __initdata = {
  71 };
  72
  73 static struct s3c2410_uartcfg rx1950_uartcfgs[] __initdata = {
  74         [0] = {
  75                .hwport = 0,
  76                .flags = 0,
  77                .ucon = 0x3c5,
  78                .ulcon = 0x03,
  79                .ufcon = 0x51,
  80                 .clk_sel = S3C2410_UCON_CLKSEL3,
  81         },
  82         [1] = {
  83                .hwport = 1,
  84                .flags = 0,
  85                .ucon = 0x3c5,
  86                .ulcon = 0x03,
  87                .ufcon = 0x51,
  88                 .clk_sel = S3C2410_UCON_CLKSEL3,
  89         },
  90         /* IR port */
  91         [2] = {
  92                .hwport = 2,
  93                .flags = 0,
  94                .ucon = 0x3c5,
  95                .ulcon = 0x43,
  96                .ufcon = 0xf1,
  97                 .clk_sel = S3C2410_UCON_CLKSEL3,
  98         },
  99 };
 100
 101 static struct s3c2410fb_display rx1950_display = {
 102         .type = S3C2410_LCDCON1_TFT,
 103         .width = 240,
 104         .height = 320,
 105         .xres = 240,
 106         .yres = 320,
 107         .bpp = 16,
 108
 109         .pixclock = 260000,
 110         .left_margin = 10,
 111         .right_margin = 20,
 112         .hsync_len = 10,
 113         .upper_margin = 2,
 114         .lower_margin = 2,
 115         .vsync_len = 2,
 116
 117         .lcdcon5 = S3C2410_LCDCON5_FRM565 |
 118                            S3C2410_LCDCON5_INVVCLK |
 119                            S3C2410_LCDCON5_INVVLINE |
 120                            S3C2410_LCDCON5_INVVFRAME |
 121                            S3C2410_LCDCON5_HWSWP |
 122                            (0x02 << 13) |
 123                            (0x02 << 15),
 124
 125 };
 126
 127 static int power_supply_init(struct device *dev)
 128 {
 129         return gpio_request(S3C2410_GPF(2), "cable plugged");
 130 }
 131
 132 static int rx1950_is_ac_online(void)
 133 {
 134         return !gpio_get_value(S3C2410_GPF(2));
 135 }
 136
 137 static void power_supply_exit(struct device *dev)
 138 {
 139         gpio_free(S3C2410_GPF(2));
 140 }
 141
 142 static char *rx1950_supplicants[] = {
 143         "main-battery"
 144 };
 145
 146 static struct pda_power_pdata power_supply_info = {
 147         .init                   = power_supply_init,
 148         .is_ac_online           = rx1950_is_ac_online,
 149         .exit                   = power_supply_exit,
 150         .supplied_to            = rx1950_supplicants,
 151         .num_supplicants        = ARRAY_SIZE(rx1950_supplicants),
 152 };
 153
 154 static struct resource power_supply_resources[] = {
 155         [0] = {
 156                         .name   = "ac",
 157                         .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE |
 158                                           IORESOURCE_IRQ_HIGHEDGE,
 159                         .start  = IRQ_EINT2,
 160                         .end    = IRQ_EINT2,
 161         },
 162 };
 163
 164 static struct platform_device power_supply = {
 165         .name                   = "pda-power",
 166         .id                     = -1,
 167         .dev                    = {
 168                                         .platform_data =
 169                                                 &power_supply_info,
 170         },
 171         .resource               = power_supply_resources,
 172         .num_resources          = ARRAY_SIZE(power_supply_resources),
 173 };
 174
 175 static const struct s3c_adc_bat_thresh bat_lut_noac[] = {
 176         { .volt = 4100, .cur = 156, .level = 100},
 177         { .volt = 4050, .cur = 156, .level = 95},
 178         { .volt = 4025, .cur = 141, .level = 90},
 179         { .volt = 3995, .cur = 144, .level = 85},
 180         { .volt = 3957, .cur = 162, .level = 80},
 181         { .volt = 3931, .cur = 147, .level = 75},
 182         { .volt = 3902, .cur = 147, .level = 70},
 183         { .volt = 3863, .cur = 153, .level = 65},
 184         { .volt = 3838, .cur = 150, .level = 60},
 185         { .volt = 3800, .cur = 153, .level = 55},
 186         { .volt = 3765, .cur = 153, .level = 50},
 187         { .volt = 3748, .cur = 172, .level = 45},
 188         { .volt = 3740, .cur = 153, .level = 40},
 189         { .volt = 3714, .cur = 175, .level = 35},
 190         { .volt = 3710, .cur = 156, .level = 30},
 191         { .volt = 3963, .cur = 156, .level = 25},
 192         { .volt = 3672, .cur = 178, .level = 20},
 193         { .volt = 3651, .cur = 178, .level = 15},
 194         { .volt = 3629, .cur = 178, .level = 10},
 195         { .volt = 3612, .cur = 162, .level = 5},
 196         { .volt = 3605, .cur = 162, .level = 0},
 197 };
 198
 199 static const struct s3c_adc_bat_thresh bat_lut_acin[] = {
 200         { .volt = 4200, .cur = 0, .level = 100},
 201         { .volt = 4190, .cur = 0, .level = 99},
 202         { .volt = 4178, .cur = 0, .level = 95},
 203         { .volt = 4110, .cur = 0, .level = 70},
 204         { .volt = 4076, .cur = 0, .level = 65},
 205         { .volt = 4046, .cur = 0, .level = 60},
 206         { .volt = 4021, .cur = 0, .level = 55},
 207         { .volt = 3999, .cur = 0, .level = 50},
 208         { .volt = 3982, .cur = 0, .level = 45},
 209         { .volt = 3965, .cur = 0, .level = 40},
 210         { .volt = 3957, .cur = 0, .level = 35},
 211         { .volt = 3948, .cur = 0, .level = 30},
 212         { .volt = 3936, .cur = 0, .level = 25},
 213         { .volt = 3927, .cur = 0, .level = 20},
 214         { .volt = 3906, .cur = 0, .level = 15},
 215         { .volt = 3880, .cur = 0, .level = 10},
 216         { .volt = 3829, .cur = 0, .level = 5},
 217         { .volt = 3820, .cur = 0, .level = 0},
 218 };
 219
 220 int rx1950_bat_init(void)
 221 {
 222         int ret;
 223
 224         ret = gpio_request(S3C2410_GPJ(2), "rx1950-charger-enable-1");
 225         if (ret)
 226                 goto err_gpio1;
 227         ret = gpio_request(S3C2410_GPJ(3), "rx1950-charger-enable-2");
 228         if (ret)
 229                 goto err_gpio2;
 230
 231         return 0;
 232
 233 err_gpio2:
 234         gpio_free(S3C2410_GPJ(2));
 235 err_gpio1:
 236         return ret;
 237 }
 238
 239 void rx1950_bat_exit(void)
 240 {
 241         gpio_free(S3C2410_GPJ(2));
 242         gpio_free(S3C2410_GPJ(3));
 243 }
 244
 245 void rx1950_enable_charger(void)
 246 {
 247         gpio_direction_output(S3C2410_GPJ(2), 1);
 248         gpio_direction_output(S3C2410_GPJ(3), 1);
 249 }
 250
 251 void rx1950_disable_charger(void)
 252 {
 253         gpio_direction_output(S3C2410_GPJ(2), 0);
 254         gpio_direction_output(S3C2410_GPJ(3), 0);
 255 }
 256
 257 DEFINE_SPINLOCK(rx1950_blink_spin);
 258
 259 static int rx1950_led_blink_set(unsigned gpio, int state,
 260         unsigned long *delay_on, unsigned long *delay_off)
 261 {
 262         int blink_gpio, check_gpio;
 263
 264         switch (gpio) {
 265         case S3C2410_GPA(6):
 266                 blink_gpio = S3C2410_GPA(4);
 267                 check_gpio = S3C2410_GPA(3);
 268                 break;
 269         case S3C2410_GPA(7):
 270                 blink_gpio = S3C2410_GPA(3);
 271                 check_gpio = S3C2410_GPA(4);
 272                 break;
 273         default:
 274                 return -EINVAL;
 275                 break;
 276         }
 277
 278         if (delay_on && delay_off && !*delay_on && !*delay_off)
 279                 *delay_on = *delay_off = 500;
 280
 281         spin_lock(&rx1950_blink_spin);
 282
 283         switch (state) {
 284         case GPIO_LED_NO_BLINK_LOW:
 285         case GPIO_LED_NO_BLINK_HIGH:
 286                 if (!gpio_get_value(check_gpio))
 287                         gpio_set_value(S3C2410_GPJ(6), 0);
 288                 gpio_set_value(blink_gpio, 0);
 289                 gpio_set_value(gpio, state);
 290                 break;
 291         case GPIO_LED_BLINK:
 292                 gpio_set_value(gpio, 0);
 293                 gpio_set_value(S3C2410_GPJ(6), 1);
 294                 gpio_set_value(blink_gpio, 1);
 295                 break;
 296         }
 297
 298         spin_unlock(&rx1950_blink_spin);
 299
 300         return 0;
 301 }
 302
 303 static struct gpio_led rx1950_leds_desc[] = {
 304         {
 305                 .name                   = "Green",
 306                 .default_trigger        = "main-battery-full",
 307                 .gpio                   = S3C2410_GPA(6),
 308                 .retain_state_suspended = 1,
 309         },
 310         {
 311                 .name                   = "Red",
 312                 .default_trigger
 313                         = "main-battery-charging-blink-full-solid",
 314                 .gpio                   = S3C2410_GPA(7),
 315                 .retain_state_suspended = 1,
 316         },
 317         {
 318                 .name                   = "Blue",
 319                 .default_trigger        = "rx1950-acx-mem",
 320                 .gpio                   = S3C2410_GPA(11),
 321                 .retain_state_suspended = 1,
 322         },
 323 };
 324
 325 static struct gpio_led_platform_data rx1950_leds_pdata = {
 326         .num_leds       = ARRAY_SIZE(rx1950_leds_desc),
 327         .leds           = rx1950_leds_desc,
 328         .gpio_blink_set = rx1950_led_blink_set,
 329 };
 330
 331 static struct platform_device rx1950_leds = {
 332         .name   = "leds-gpio",
 333         .id             = -1,
 334         .dev    = {
 335                                 .platform_data = &rx1950_leds_pdata,
 336         },
 337 };
 338
 339 static struct s3c_adc_bat_pdata rx1950_bat_cfg = {
 340         .init = rx1950_bat_init,
 341         .exit = rx1950_bat_exit,
 342         .enable_charger = rx1950_enable_charger,
 343         .disable_charger = rx1950_disable_charger,
 344         .gpio_charge_finished = S3C2410_GPF(3),
 345         .lut_noac = bat_lut_noac,
 346         .lut_noac_cnt = ARRAY_SIZE(bat_lut_noac),
 347         .lut_acin = bat_lut_acin,
 348         .lut_acin_cnt = ARRAY_SIZE(bat_lut_acin),
 349         .volt_channel = 0,
 350         .current_channel = 1,
 351         .volt_mult = 4235,
 352         .current_mult = 2900,
 353         .internal_impedance = 200,
 354 };
 355
 356 static struct platform_device rx1950_battery = {
 357         .name             = "s3c-adc-battery",
 358         .id               = -1,
 359         .dev = {
 360                 .parent = &s3c_device_adc.dev,
 361                 .platform_data = &rx1950_bat_cfg,
 362         },
 363 };
 364
 365 static struct s3c2410fb_mach_info rx1950_lcd_cfg = {
 366         .displays = &rx1950_display,
 367         .num_displays = 1,
 368         .default_display = 0,
 369
 370         .lpcsel = 0x02,
 371         .gpccon = 0xaa9556a9,
 372         .gpccon_mask = 0xffc003fc,
 373         .gpcup = 0x0000ffff,
 374         .gpcup_mask = 0xffffffff,
 375
 376         .gpdcon = 0xaa90aaa1,
 377         .gpdcon_mask = 0xffc0fff0,
 378         .gpdup = 0x0000fcfd,
 379         .gpdup_mask = 0xffffffff,
 380
 381 };
 382
 383 static struct pwm_device *lcd_pwm;
 384
 385 void rx1950_lcd_power(int enable)
 386 {
 387         int i;
 388         static int enabled;
 389         if (enabled == enable)
 390                 return;
 391         if (!enable) {
 392
 393                 /* GPC11-GPC15->OUTPUT */
 394                 for (i = 11; i < 16; i++)
 395                         gpio_direction_output(S3C2410_GPC(i), 1);
 396
 397                 /* Wait a bit here... */
 398                 mdelay(100);
 399
 400                 /* GPD2-GPD7->OUTPUT */
 401                 /* GPD11-GPD15->OUTPUT */
 402                 /* GPD2-GPD7->1, GPD11-GPD15->1 */
 403                 for (i = 2; i < 8; i++)
 404                         gpio_direction_output(S3C2410_GPD(i), 1);
 405                 for (i = 11; i < 16; i++)
 406                         gpio_direction_output(S3C2410_GPD(i), 1);
 407
 408                 /* Wait a bit here...*/
 409                 mdelay(100);
 410
 411                 /* GPB0->OUTPUT, GPB0->0 */
 412                 gpio_direction_output(S3C2410_GPB(0), 0);
 413
 414                 /* GPC1-GPC4->OUTPUT, GPC1-4->0 */
 415                 for (i = 1; i < 5; i++)
 416                         gpio_direction_output(S3C2410_GPC(i), 0);
 417
 418                 /* GPC15-GPC11->0 */
 419                 for (i = 11; i < 16; i++)
 420                         gpio_direction_output(S3C2410_GPC(i), 0);
 421
 422                 /* GPD15-GPD11->0, GPD2->GPD7->0 */
 423                 for (i = 11; i < 16; i++)
 424                         gpio_direction_output(S3C2410_GPD(i), 0);
 425
 426                 for (i = 2; i < 8; i++)
 427                         gpio_direction_output(S3C2410_GPD(i), 0);
 428
 429                 /* GPC6->0, GPC7->0, GPC5->0 */
 430                 gpio_direction_output(S3C2410_GPC(6), 0);
 431                 gpio_direction_output(S3C2410_GPC(7), 0);
 432                 gpio_direction_output(S3C2410_GPC(5), 0);
 433
 434                 /* GPB1->OUTPUT, GPB1->0 */
 435                 gpio_direction_output(S3C2410_GPB(1), 0);
 436                 pwm_config(lcd_pwm, 0, LCD_PWM_PERIOD);
 437                 pwm_disable(lcd_pwm);
 438
 439                 /* GPC0->0, GPC10->0 */
 440                 gpio_direction_output(S3C2410_GPC(0), 0);
 441                 gpio_direction_output(S3C2410_GPC(10), 0);
 442         } else {
 443                 pwm_config(lcd_pwm, LCD_PWM_DUTY, LCD_PWM_PERIOD);
 444                 pwm_enable(lcd_pwm);
 445
 446                 gpio_direction_output(S3C2410_GPC(0), 1);
 447                 gpio_direction_output(S3C2410_GPC(5), 1);
 448
 449                 s3c_gpio_cfgpin(S3C2410_GPB(1), S3C2410_GPB1_TOUT1);
 450                 gpio_direction_output(S3C2410_GPC(7), 1);
 451
 452                 for (i = 1; i < 5; i++)
 453                         s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));
 454
 455                 for (i = 11; i < 16; i++)
 456                         s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));
 457
 458                 for (i = 2; i < 8; i++)
 459                         s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));
 460
 461                 for (i = 11; i < 16; i++)
 462                         s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));
 463
 464                 gpio_direction_output(S3C2410_GPC(10), 1);
 465                 gpio_direction_output(S3C2410_GPC(6), 1);
 466         }
 467         enabled = enable;
 468 }
 469
 470 static void rx1950_bl_power(int enable)
 471 {
 472         static int enabled;
 473         if (enabled == enable)
 474                 return;
 475         if (!enable) {
 476                         gpio_direction_output(S3C2410_GPB(0), 0);
 477         } else {
 478                         /* LED driver need a "push" to power on */
 479                         gpio_direction_output(S3C2410_GPB(0), 1);
 480                         /* Warm up backlight for one period of PWM.
 481                          * Without this trick its almost impossible to
 482                          * enable backlight with low brightness value
 483                          */
 484                         ndelay(48000);
 485                         s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
 486         }
 487         enabled = enable;
 488 }
 489
 490 static int rx1950_backlight_init(struct device *dev)
 491 {
 492         WARN_ON(gpio_request(S3C2410_GPB(0), "Backlight"));
 493         lcd_pwm = pwm_request(1, "RX1950 LCD");
 494         if (IS_ERR(lcd_pwm)) {
 495                 dev_err(dev, "Unable to request PWM for LCD power!\n");
 496                 return PTR_ERR(lcd_pwm);
 497         }
 498
 499         rx1950_lcd_power(1);
 500         rx1950_bl_power(1);
 501
 502         return 0;
 503 }
 504
 505 static void rx1950_backlight_exit(struct device *dev)
 506 {
 507         rx1950_bl_power(0);
 508         rx1950_lcd_power(0);
 509
 510         pwm_free(lcd_pwm);
 511         gpio_free(S3C2410_GPB(0));
 512 }
 513
 514
 515 static int rx1950_backlight_notify(struct device *dev, int brightness)
 516 {
 517         if (!brightness) {
 518                 rx1950_bl_power(0);
 519                 rx1950_lcd_power(0);
 520         } else {
 521                 rx1950_lcd_power(1);
 522                 rx1950_bl_power(1);
 523         }
 524         return brightness;
 525 }
 526
 527 static struct platform_pwm_backlight_data rx1950_backlight_data = {
 528         .pwm_id = 0,
 529         .max_brightness = 24,
 530         .dft_brightness = 4,
 531         .pwm_period_ns = 48000,
 532         .init = rx1950_backlight_init,
 533         .notify = rx1950_backlight_notify,
 534         .exit = rx1950_backlight_exit,
 535 };
 536
 537 static struct platform_device rx1950_backlight = {
 538         .name = "pwm-backlight",
 539         .dev = {
 540                 .parent = &s3c_device_timer[0].dev,
 541                 .platform_data = &rx1950_backlight_data,
 542         },
 543 };
 544
 545 static void rx1950_set_mmc_power(unsigned char power_mode, unsigned short vdd)
 546 {
 547         switch (power_mode) {
 548         case MMC_POWER_OFF:
 549                 gpio_direction_output(S3C2410_GPJ(1), 0);
 550                 break;
 551         case MMC_POWER_UP:
 552         case MMC_POWER_ON:
 553                 gpio_direction_output(S3C2410_GPJ(1), 1);
 554                 break;
 555         default:
 556                 break;
 557         }
 558 }
 559
 560 static struct s3c24xx_mci_pdata rx1950_mmc_cfg __initdata = {
 561         .gpio_detect = S3C2410_GPF(5),
 562         .gpio_wprotect = S3C2410_GPH(8),
 563         .set_power = rx1950_set_mmc_power,
 564         .ocr_avail = MMC_VDD_32_33,
 565 };
 566
 567 static struct mtd_partition rx1950_nand_part[] = {
 568         [0] = {
 569                         .name = "Boot0",
 570                         .offset = 0,
 571                         .size = 0x4000,
 572                         .mask_flags = MTD_WRITEABLE,
 573         },
 574         [1] = {
 575                         .name = "Boot1",
 576                         .offset = MTDPART_OFS_APPEND,
 577                         .size = 0x40000,
 578                         .mask_flags = MTD_WRITEABLE,
 579         },
 580         [2] = {
 581                         .name = "Kernel",
 582                         .offset = MTDPART_OFS_APPEND,
 583                         .size = 0x300000,
 584                         .mask_flags = 0,
 585         },
 586         [3] = {
 587                         .name = "Filesystem",
 588                         .offset = MTDPART_OFS_APPEND,
 589                         .size = MTDPART_SIZ_FULL,
 590                         .mask_flags = 0,
 591         },
 592 };
 593
 594 static struct s3c2410_nand_set rx1950_nand_sets[] = {
 595         [0] = {
 596                         .name = "Internal",
 597                         .nr_chips = 1,
 598                         .nr_partitions = ARRAY_SIZE(rx1950_nand_part),
 599                         .partitions = rx1950_nand_part,
 600         },
 601 };
 602
 603 static struct s3c2410_platform_nand rx1950_nand_info = {
 604         .tacls = 25,
 605         .twrph0 = 50,
 606         .twrph1 = 15,
 607         .nr_sets = ARRAY_SIZE(rx1950_nand_sets),
 608         .sets = rx1950_nand_sets,
 609 };
 610
 611 static struct s3c2410_udc_mach_info rx1950_udc_cfg __initdata = {
 612         .vbus_pin = S3C2410_GPG(5),
 613         .vbus_pin_inverted = 1,
 614         .pullup_pin = S3C2410_GPJ(5),
 615 };
 616
 617 static struct s3c2410_ts_mach_info rx1950_ts_cfg __initdata = {
 618         .delay = 10000,
 619         .presc = 49,
 620         .oversampling_shift = 3,
 621 };
 622
 623 static struct gpio_keys_button rx1950_gpio_keys_table[] = {
 624         {
 625                 .code           = KEY_POWER,
 626                 .gpio           = S3C2410_GPF(0),
 627                 .active_low     = 1,
 628                 .desc           = "Power button",
 629                 .wakeup         = 1,
 630         },
 631         {
 632                 .code           = KEY_F5,
 633                 .gpio           = S3C2410_GPF(7),
 634                 .active_low     = 1,
 635                 .desc           = "Record button",
 636         },
 637         {
 638                 .code           = KEY_F1,
 639                 .gpio           = S3C2410_GPG(0),
 640                 .active_low     = 1,
 641                 .desc           = "Calendar button",
 642         },
 643         {
 644                 .code           = KEY_F2,
 645                 .gpio           = S3C2410_GPG(2),
 646                 .active_low     = 1,
 647                 .desc           = "Contacts button",
 648         },
 649         {
 650                 .code           = KEY_F3,
 651                 .gpio           = S3C2410_GPG(3),
 652                 .active_low     = 1,
 653                 .desc           = "Mail button",
 654         },
 655         {
 656                 .code           = KEY_F4,
 657                 .gpio           = S3C2410_GPG(7),
 658                 .active_low     = 1,
 659                 .desc           = "WLAN button",
 660         },
 661         {
 662                 .code           = KEY_LEFT,
 663                 .gpio           = S3C2410_GPG(10),
 664                 .active_low     = 1,
 665                 .desc           = "Left button",
 666         },
 667         {
 668                 .code           = KEY_RIGHT,
 669                 .gpio           = S3C2410_GPG(11),
 670                 .active_low     = 1,
 671                 .desc           = "Right button",
 672         },
 673         {
 674                 .code           = KEY_UP,
 675                 .gpio           = S3C2410_GPG(4),
 676                 .active_low     = 1,
 677                 .desc           = "Up button",
 678         },
 679         {
 680                 .code           = KEY_DOWN,
 681                 .gpio           = S3C2410_GPG(6),
 682                 .active_low     = 1,
 683                 .desc           = "Down button",
 684         },
 685         {
 686                 .code           = KEY_ENTER,
 687                 .gpio           = S3C2410_GPG(9),
 688                 .active_low     = 1,
 689                 .desc           = "Ok button"
 690         },
 691 };
 692
 693 static struct gpio_keys_platform_data rx1950_gpio_keys_data = {
 694         .buttons = rx1950_gpio_keys_table,
 695         .nbuttons = ARRAY_SIZE(rx1950_gpio_keys_table),
 696 };
 697
 698 static struct platform_device rx1950_device_gpiokeys = {
 699         .name = "gpio-keys",
 700         .dev.platform_data = &rx1950_gpio_keys_data,
 701 };
 702
 703 static struct uda1380_platform_data uda1380_info = {
 704         .gpio_power     = S3C2410_GPJ(0),
 705         .gpio_reset     = S3C2410_GPD(0),
 706         .dac_clk        = UDA1380_DAC_CLK_SYSCLK,
 707 };
 708
 709 static struct i2c_board_info rx1950_i2c_devices[] = {
 710         {
 711                 I2C_BOARD_INFO("uda1380", 0x1a),
 712                 .platform_data = &uda1380_info,
 713         },
 714 };
 715
 716 static struct platform_device *rx1950_devices[] __initdata = {
 717         &s3c_device_lcd,
 718         &s3c_device_wdt,
 719         &s3c_device_i2c0,
 720         &s3c_device_iis,
 721         &samsung_asoc_dma,
 722         &s3c_device_usbgadget,
 723         &s3c_device_rtc,
 724         &s3c_device_nand,
 725         &s3c_device_sdi,
 726         &s3c_device_adc,
 727         &s3c_device_ts,
 728         &s3c_device_timer[0],
 729         &s3c_device_timer[1],
 730         &rx1950_backlight,
 731         &rx1950_device_gpiokeys,
 732         &power_supply,
 733         &rx1950_battery,
 734         &rx1950_leds,
 735 };
 736
 737 static struct clk *rx1950_clocks[] __initdata = {
 738         &s3c24xx_clkout0,
 739         &s3c24xx_clkout1,
 740 };
 741
 742 static void __init rx1950_map_io(void)
 743 {
 744         s3c24xx_clkout0.parent  = &clk_h;
 745         s3c24xx_clkout1.parent  = &clk_f;
 746
 747         s3c24xx_register_clocks(rx1950_clocks, ARRAY_SIZE(rx1950_clocks));
 748
 749         s3c24xx_init_io(rx1950_iodesc, ARRAY_SIZE(rx1950_iodesc));
 750         s3c24xx_init_clocks(16934000);
 751         s3c24xx_init_uarts(rx1950_uartcfgs, ARRAY_SIZE(rx1950_uartcfgs));
 752
 753         /* setup PM */
 754
 755 #ifdef CONFIG_PM_H1940
 756         memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 8);
 757 #endif
 758
 759         s3c_pm_init();
 760 }
 761
 762 static void __init rx1950_init_machine(void)
 763 {
 764         int i;
 765
 766         s3c24xx_fb_set_platdata(&rx1950_lcd_cfg);
 767         s3c24xx_udc_set_platdata(&rx1950_udc_cfg);
 768         s3c24xx_ts_set_platdata(&rx1950_ts_cfg);
 769         s3c24xx_mci_set_platdata(&rx1950_mmc_cfg);
 770         s3c_i2c0_set_platdata(NULL);
 771         s3c_nand_set_platdata(&rx1950_nand_info);
 772
 773         /* Turn off suspend on both USB ports, and switch the
 774          * selectable USB port to USB device mode. */
 775         s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
 776                                                 S3C2410_MISCCR_USBSUSPND0 |
 777                                                 S3C2410_MISCCR_USBSUSPND1, 0x0);
 778
 779         /* mmc power is disabled by default */
 780         WARN_ON(gpio_request(S3C2410_GPJ(1), "MMC power"));
 781         gpio_direction_output(S3C2410_GPJ(1), 0);
 782
 783         for (i = 0; i < 8; i++)
 784                 WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
 785
 786         for (i = 10; i < 16; i++)
 787                 WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
 788
 789         for (i = 2; i < 8; i++)
 790                 WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
 791
 792         for (i = 11; i < 16; i++)
 793                 WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
 794
 795         WARN_ON(gpio_request(S3C2410_GPB(1), "LCD power"));
 796
 797         WARN_ON(gpio_request(S3C2410_GPA(3), "Red blink"));
 798         WARN_ON(gpio_request(S3C2410_GPA(4), "Green blink"));
 799         WARN_ON(gpio_request(S3C2410_GPJ(6), "LED blink"));
 800         gpio_direction_output(S3C2410_GPA(3), 0);
 801         gpio_direction_output(S3C2410_GPA(4), 0);
 802         gpio_direction_output(S3C2410_GPJ(6), 0);
 803
 804         platform_add_devices(rx1950_devices, ARRAY_SIZE(rx1950_devices));
 805
 806         i2c_register_board_info(0, rx1950_i2c_devices,
 807                 ARRAY_SIZE(rx1950_i2c_devices));
 808 }
 809
 810 /* H1940 and RX3715 need to reserve this for suspend */
 811 static void __init rx1950_reserve(void)
 812 {
 813         memblock_reserve(0x30003000, 0x1000);
 814         memblock_reserve(0x30081000, 0x1000);
 815 }
 816
 817 MACHINE_START(RX1950, "HP iPAQ RX1950")
 818     /* Maintainers: Vasily Khoruzhick */
 819         .atag_offset = 0x100,
 820         .map_io = rx1950_map_io,
 821         .reserve        = rx1950_reserve,
 822         .init_irq = s3c24xx_init_irq,
 823         .init_machine = rx1950_init_machine,
 824         .timer = &s3c24xx_timer,
 825         .restart        = s3c244x_restart,
 826 MACHINE_END