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/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 #define LCD_PWM_PERIOD 192960
  66 #define LCD_PWM_DUTY 127353
  67
  68 static struct map_desc rx1950_iodesc[] __initdata = {
  69 };
  70
  71 static struct s3c24xx_uart_clksrc rx1950_serial_clocks[] = {
  72         [0] = {
  73                .name = "fclk",
  74                .divisor = 0x0a,
  75                .min_baud = 0,
  76                .max_baud = 0,
  77         },
  78 };
  79
  80 static struct s3c2410_uartcfg rx1950_uartcfgs[] __initdata = {
  81         [0] = {
  82                .hwport = 0,
  83                .flags = 0,
  84                .ucon = 0x3c5,
  85                .ulcon = 0x03,
  86                .ufcon = 0x51,
  87                .clocks = rx1950_serial_clocks,
  88                .clocks_size = ARRAY_SIZE(rx1950_serial_clocks),
  89         },
  90         [1] = {
  91                .hwport = 1,
  92                .flags = 0,
  93                .ucon = 0x3c5,
  94                .ulcon = 0x03,
  95                .ufcon = 0x51,
  96                .clocks = rx1950_serial_clocks,
  97                .clocks_size = ARRAY_SIZE(rx1950_serial_clocks),
  98         },
  99         /* IR port */
 100         [2] = {
 101                .hwport = 2,
 102                .flags = 0,
 103                .ucon = 0x3c5,
 104                .ulcon = 0x43,
 105                .ufcon = 0xf1,
 106                .clocks = rx1950_serial_clocks,
 107                .clocks_size = ARRAY_SIZE(rx1950_serial_clocks),
 108         },
 109 };
 110
 111 static struct s3c2410fb_display rx1950_display = {
 112         .type = S3C2410_LCDCON1_TFT,
 113         .width = 240,
 114         .height = 320,
 115         .xres = 240,
 116         .yres = 320,
 117         .bpp = 16,
 118
 119         .pixclock = 260000,
 120         .left_margin = 10,
 121         .right_margin = 20,
 122         .hsync_len = 10,
 123         .upper_margin = 2,
 124         .lower_margin = 2,
 125         .vsync_len = 2,
 126
 127         .lcdcon5 = S3C2410_LCDCON5_FRM565 |
 128                            S3C2410_LCDCON5_INVVCLK |
 129                            S3C2410_LCDCON5_INVVLINE |
 130                            S3C2410_LCDCON5_INVVFRAME |
 131                            S3C2410_LCDCON5_HWSWP |
 132                            (0x02 << 13) |
 133                            (0x02 << 15),
 134
 135 };
 136
 137 static int power_supply_init(struct device *dev)
 138 {
 139         return gpio_request(S3C2410_GPF(2), "cable plugged");
 140 }
 141
 142 static int rx1950_is_ac_online(void)
 143 {
 144         return !gpio_get_value(S3C2410_GPF(2));
 145 }
 146
 147 static void power_supply_exit(struct device *dev)
 148 {
 149         gpio_free(S3C2410_GPF(2));
 150 }
 151
 152 static char *rx1950_supplicants[] = {
 153         "main-battery"
 154 };
 155
 156 static struct pda_power_pdata power_supply_info = {
 157         .init                   = power_supply_init,
 158         .is_ac_online           = rx1950_is_ac_online,
 159         .exit                   = power_supply_exit,
 160         .supplied_to            = rx1950_supplicants,
 161         .num_supplicants        = ARRAY_SIZE(rx1950_supplicants),
 162 };
 163
 164 static struct resource power_supply_resources[] = {
 165         [0] = {
 166                         .name   = "ac",
 167                         .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE |
 168                                           IORESOURCE_IRQ_HIGHEDGE,
 169                         .start  = IRQ_EINT2,
 170                         .end    = IRQ_EINT2,
 171         },
 172 };
 173
 174 static struct platform_device power_supply = {
 175         .name                   = "pda-power",
 176         .id                     = -1,
 177         .dev                    = {
 178                                         .platform_data =
 179                                                 &power_supply_info,
 180         },
 181         .resource               = power_supply_resources,
 182         .num_resources          = ARRAY_SIZE(power_supply_resources),
 183 };
 184
 185 static const struct s3c_adc_bat_thresh bat_lut_noac[] = {
 186         { .volt = 4100, .cur = 156, .level = 100},
 187         { .volt = 4050, .cur = 156, .level = 95},
 188         { .volt = 4025, .cur = 141, .level = 90},
 189         { .volt = 3995, .cur = 144, .level = 85},
 190         { .volt = 3957, .cur = 162, .level = 80},
 191         { .volt = 3931, .cur = 147, .level = 75},
 192         { .volt = 3902, .cur = 147, .level = 70},
 193         { .volt = 3863, .cur = 153, .level = 65},
 194         { .volt = 3838, .cur = 150, .level = 60},
 195         { .volt = 3800, .cur = 153, .level = 55},
 196         { .volt = 3765, .cur = 153, .level = 50},
 197         { .volt = 3748, .cur = 172, .level = 45},
 198         { .volt = 3740, .cur = 153, .level = 40},
 199         { .volt = 3714, .cur = 175, .level = 35},
 200         { .volt = 3710, .cur = 156, .level = 30},
 201         { .volt = 3963, .cur = 156, .level = 25},
 202         { .volt = 3672, .cur = 178, .level = 20},
 203         { .volt = 3651, .cur = 178, .level = 15},
 204         { .volt = 3629, .cur = 178, .level = 10},
 205         { .volt = 3612, .cur = 162, .level = 5},
 206         { .volt = 3605, .cur = 162, .level = 0},
 207 };
 208
 209 static const struct s3c_adc_bat_thresh bat_lut_acin[] = {
 210         { .volt = 4200, .cur = 0, .level = 100},
 211         { .volt = 4190, .cur = 0, .level = 99},
 212         { .volt = 4178, .cur = 0, .level = 95},
 213         { .volt = 4110, .cur = 0, .level = 70},
 214         { .volt = 4076, .cur = 0, .level = 65},
 215         { .volt = 4046, .cur = 0, .level = 60},
 216         { .volt = 4021, .cur = 0, .level = 55},
 217         { .volt = 3999, .cur = 0, .level = 50},
 218         { .volt = 3982, .cur = 0, .level = 45},
 219         { .volt = 3965, .cur = 0, .level = 40},
 220         { .volt = 3957, .cur = 0, .level = 35},
 221         { .volt = 3948, .cur = 0, .level = 30},
 222         { .volt = 3936, .cur = 0, .level = 25},
 223         { .volt = 3927, .cur = 0, .level = 20},
 224         { .volt = 3906, .cur = 0, .level = 15},
 225         { .volt = 3880, .cur = 0, .level = 10},
 226         { .volt = 3829, .cur = 0, .level = 5},
 227         { .volt = 3820, .cur = 0, .level = 0},
 228 };
 229
 230 int rx1950_bat_init(void)
 231 {
 232         int ret;
 233
 234         ret = gpio_request(S3C2410_GPJ(2), "rx1950-charger-enable-1");
 235         if (ret)
 236                 goto err_gpio1;
 237         ret = gpio_request(S3C2410_GPJ(3), "rx1950-charger-enable-2");
 238         if (ret)
 239                 goto err_gpio2;
 240
 241         return 0;
 242
 243 err_gpio2:
 244         gpio_free(S3C2410_GPJ(2));
 245 err_gpio1:
 246         return ret;
 247 }
 248
 249 void rx1950_bat_exit(void)
 250 {
 251         gpio_free(S3C2410_GPJ(2));
 252         gpio_free(S3C2410_GPJ(3));
 253 }
 254
 255 void rx1950_enable_charger(void)
 256 {
 257         gpio_direction_output(S3C2410_GPJ(2), 1);
 258         gpio_direction_output(S3C2410_GPJ(3), 1);
 259 }
 260
 261 void rx1950_disable_charger(void)
 262 {
 263         gpio_direction_output(S3C2410_GPJ(2), 0);
 264         gpio_direction_output(S3C2410_GPJ(3), 0);
 265 }
 266
 267 DEFINE_SPINLOCK(rx1950_blink_spin);
 268
 269 static int rx1950_led_blink_set(unsigned gpio, int state,
 270         unsigned long *delay_on, unsigned long *delay_off)
 271 {
 272         int blink_gpio, check_gpio;
 273
 274         switch (gpio) {
 275         case S3C2410_GPA(6):
 276                 blink_gpio = S3C2410_GPA(4);
 277                 check_gpio = S3C2410_GPA(3);
 278                 break;
 279         case S3C2410_GPA(7):
 280                 blink_gpio = S3C2410_GPA(3);
 281                 check_gpio = S3C2410_GPA(4);
 282                 break;
 283         default:
 284                 return -EINVAL;
 285                 break;
 286         }
 287
 288         if (delay_on && delay_off && !*delay_on && !*delay_off)
 289                 *delay_on = *delay_off = 500;
 290
 291         spin_lock(&rx1950_blink_spin);
 292
 293         switch (state) {
 294         case GPIO_LED_NO_BLINK_LOW:
 295         case GPIO_LED_NO_BLINK_HIGH:
 296                 if (!gpio_get_value(check_gpio))
 297                         gpio_set_value(S3C2410_GPJ(6), 0);
 298                 gpio_set_value(blink_gpio, 0);
 299                 gpio_set_value(gpio, state);
 300                 break;
 301         case GPIO_LED_BLINK:
 302                 gpio_set_value(gpio, 0);
 303                 gpio_set_value(S3C2410_GPJ(6), 1);
 304                 gpio_set_value(blink_gpio, 1);
 305                 break;
 306         }
 307
 308         spin_unlock(&rx1950_blink_spin);
 309
 310         return 0;
 311 }
 312
 313 static struct gpio_led rx1950_leds_desc[] = {
 314         {
 315                 .name                   = "Green",
 316                 .default_trigger        = "main-battery-full",
 317                 .gpio                   = S3C2410_GPA(6),
 318                 .retain_state_suspended = 1,
 319         },
 320         {
 321                 .name                   = "Red",
 322                 .default_trigger
 323                         = "main-battery-charging-blink-full-solid",
 324                 .gpio                   = S3C2410_GPA(7),
 325                 .retain_state_suspended = 1,
 326         },
 327         {
 328                 .name                   = "Blue",
 329                 .default_trigger        = "rx1950-acx-mem",
 330                 .gpio                   = S3C2410_GPA(11),
 331                 .retain_state_suspended = 1,
 332         },
 333 };
 334
 335 static struct gpio_led_platform_data rx1950_leds_pdata = {
 336         .num_leds       = ARRAY_SIZE(rx1950_leds_desc),
 337         .leds           = rx1950_leds_desc,
 338         .gpio_blink_set = rx1950_led_blink_set,
 339 };
 340
 341 static struct platform_device rx1950_leds = {
 342         .name   = "leds-gpio",
 343         .id             = -1,
 344         .dev    = {
 345                                 .platform_data = &rx1950_leds_pdata,
 346         },
 347 };
 348
 349 static struct s3c_adc_bat_pdata rx1950_bat_cfg = {
 350         .init = rx1950_bat_init,
 351         .exit = rx1950_bat_exit,
 352         .enable_charger = rx1950_enable_charger,
 353         .disable_charger = rx1950_disable_charger,
 354         .gpio_charge_finished = S3C2410_GPF(3),
 355         .lut_noac = bat_lut_noac,
 356         .lut_noac_cnt = ARRAY_SIZE(bat_lut_noac),
 357         .lut_acin = bat_lut_acin,
 358         .lut_acin_cnt = ARRAY_SIZE(bat_lut_acin),
 359         .volt_channel = 0,
 360         .current_channel = 1,
 361         .volt_mult = 4235,
 362         .current_mult = 2900,
 363         .internal_impedance = 200,
 364 };
 365
 366 static struct platform_device rx1950_battery = {
 367         .name             = "s3c-adc-battery",
 368         .id               = -1,
 369         .dev = {
 370                 .parent = &s3c_device_adc.dev,
 371                 .platform_data = &rx1950_bat_cfg,
 372         },
 373 };
 374
 375 static struct s3c2410fb_mach_info rx1950_lcd_cfg = {
 376         .displays = &rx1950_display,
 377         .num_displays = 1,
 378         .default_display = 0,
 379
 380         .lpcsel = 0x02,
 381         .gpccon = 0xaa9556a9,
 382         .gpccon_mask = 0xffc003fc,
 383         .gpcup = 0x0000ffff,
 384         .gpcup_mask = 0xffffffff,
 385
 386         .gpdcon = 0xaa90aaa1,
 387         .gpdcon_mask = 0xffc0fff0,
 388         .gpdup = 0x0000fcfd,
 389         .gpdup_mask = 0xffffffff,
 390
 391 };
 392
 393 static struct pwm_device *lcd_pwm;
 394
 395 void rx1950_lcd_power(int enable)
 396 {
 397         int i;
 398         static int enabled;
 399         if (enabled == enable)
 400                 return;
 401         if (!enable) {
 402
 403                 /* GPC11-GPC15->OUTPUT */
 404                 for (i = 11; i < 16; i++)
 405                         gpio_direction_output(S3C2410_GPC(i), 1);
 406
 407                 /* Wait a bit here... */
 408                 mdelay(100);
 409
 410                 /* GPD2-GPD7->OUTPUT */
 411                 /* GPD11-GPD15->OUTPUT */
 412                 /* GPD2-GPD7->1, GPD11-GPD15->1 */
 413                 for (i = 2; i < 8; i++)
 414                         gpio_direction_output(S3C2410_GPD(i), 1);
 415                 for (i = 11; i < 16; i++)
 416                         gpio_direction_output(S3C2410_GPD(i), 1);
 417
 418                 /* Wait a bit here...*/
 419                 mdelay(100);
 420
 421                 /* GPB0->OUTPUT, GPB0->0 */
 422                 gpio_direction_output(S3C2410_GPB(0), 0);
 423
 424                 /* GPC1-GPC4->OUTPUT, GPC1-4->0 */
 425                 for (i = 1; i < 5; i++)
 426                         gpio_direction_output(S3C2410_GPC(i), 0);
 427
 428                 /* GPC15-GPC11->0 */
 429                 for (i = 11; i < 16; i++)
 430                         gpio_direction_output(S3C2410_GPC(i), 0);
 431
 432                 /* GPD15-GPD11->0, GPD2->GPD7->0 */
 433                 for (i = 11; i < 16; i++)
 434                         gpio_direction_output(S3C2410_GPD(i), 0);
 435
 436                 for (i = 2; i < 8; i++)
 437                         gpio_direction_output(S3C2410_GPD(i), 0);
 438
 439                 /* GPC6->0, GPC7->0, GPC5->0 */
 440                 gpio_direction_output(S3C2410_GPC(6), 0);
 441                 gpio_direction_output(S3C2410_GPC(7), 0);
 442                 gpio_direction_output(S3C2410_GPC(5), 0);
 443
 444                 /* GPB1->OUTPUT, GPB1->0 */
 445                 gpio_direction_output(S3C2410_GPB(1), 0);
 446                 pwm_config(lcd_pwm, 0, LCD_PWM_PERIOD);
 447                 pwm_disable(lcd_pwm);
 448
 449                 /* GPC0->0, GPC10->0 */
 450                 gpio_direction_output(S3C2410_GPC(0), 0);
 451                 gpio_direction_output(S3C2410_GPC(10), 0);
 452         } else {
 453                 pwm_config(lcd_pwm, LCD_PWM_DUTY, LCD_PWM_PERIOD);
 454                 pwm_enable(lcd_pwm);
 455
 456                 gpio_direction_output(S3C2410_GPC(0), 1);
 457                 gpio_direction_output(S3C2410_GPC(5), 1);
 458
 459                 s3c_gpio_cfgpin(S3C2410_GPB(1), S3C2410_GPB1_TOUT1);
 460                 gpio_direction_output(S3C2410_GPC(7), 1);
 461
 462                 for (i = 1; i < 5; i++)
 463                         s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));
 464
 465                 for (i = 11; i < 16; i++)
 466                         s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));
 467
 468                 for (i = 2; i < 8; i++)
 469                         s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));
 470
 471                 for (i = 11; i < 16; i++)
 472                         s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));
 473
 474                 gpio_direction_output(S3C2410_GPC(10), 1);
 475                 gpio_direction_output(S3C2410_GPC(6), 1);
 476         }
 477         enabled = enable;
 478 }
 479
 480 static void rx1950_bl_power(int enable)
 481 {
 482         static int enabled;
 483         if (enabled == enable)
 484                 return;
 485         if (!enable) {
 486                         gpio_direction_output(S3C2410_GPB(0), 0);
 487         } else {
 488                         /* LED driver need a "push" to power on */
 489                         gpio_direction_output(S3C2410_GPB(0), 1);
 490                         /* Warm up backlight for one period of PWM.
 491                          * Without this trick its almost impossible to
 492                          * enable backlight with low brightness value
 493                          */
 494                         ndelay(48000);
 495                         s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
 496         }
 497         enabled = enable;
 498 }
 499
 500 static int rx1950_backlight_init(struct device *dev)
 501 {
 502         WARN_ON(gpio_request(S3C2410_GPB(0), "Backlight"));
 503         lcd_pwm = pwm_request(1, "RX1950 LCD");
 504         if (IS_ERR(lcd_pwm)) {
 505                 dev_err(dev, "Unable to request PWM for LCD power!\n");
 506                 return PTR_ERR(lcd_pwm);
 507         }
 508
 509         rx1950_lcd_power(1);
 510         rx1950_bl_power(1);
 511
 512         return 0;
 513 }
 514
 515 static void rx1950_backlight_exit(struct device *dev)
 516 {
 517         rx1950_bl_power(0);
 518         rx1950_lcd_power(0);
 519
 520         pwm_free(lcd_pwm);
 521         gpio_free(S3C2410_GPB(0));
 522 }
 523
 524
 525 static int rx1950_backlight_notify(struct device *dev, int brightness)
 526 {
 527         if (!brightness) {
 528                 rx1950_bl_power(0);
 529                 rx1950_lcd_power(0);
 530         } else {
 531                 rx1950_lcd_power(1);
 532                 rx1950_bl_power(1);
 533         }
 534         return brightness;
 535 }
 536
 537 static struct platform_pwm_backlight_data rx1950_backlight_data = {
 538         .pwm_id = 0,
 539         .max_brightness = 24,
 540         .dft_brightness = 4,
 541         .pwm_period_ns = 48000,
 542         .init = rx1950_backlight_init,
 543         .notify = rx1950_backlight_notify,
 544         .exit = rx1950_backlight_exit,
 545 };
 546
 547 static struct platform_device rx1950_backlight = {
 548         .name = "pwm-backlight",
 549         .dev = {
 550                 .parent = &s3c_device_timer[0].dev,
 551                 .platform_data = &rx1950_backlight_data,
 552         },
 553 };
 554
 555 static void rx1950_set_mmc_power(unsigned char power_mode, unsigned short vdd)
 556 {
 557         switch (power_mode) {
 558         case MMC_POWER_OFF:
 559                 gpio_direction_output(S3C2410_GPJ(1), 0);
 560                 break;
 561         case MMC_POWER_UP:
 562         case MMC_POWER_ON:
 563                 gpio_direction_output(S3C2410_GPJ(1), 1);
 564                 break;
 565         default:
 566                 break;
 567         }
 568 }
 569
 570 static struct s3c24xx_mci_pdata rx1950_mmc_cfg __initdata = {
 571         .gpio_detect = S3C2410_GPF(5),
 572         .gpio_wprotect = S3C2410_GPH(8),
 573         .set_power = rx1950_set_mmc_power,
 574         .ocr_avail = MMC_VDD_32_33,
 575 };
 576
 577 static struct mtd_partition rx1950_nand_part[] = {
 578         [0] = {
 579                         .name = "Boot0",
 580                         .offset = 0,
 581                         .size = 0x4000,
 582                         .mask_flags = MTD_WRITEABLE,
 583         },
 584         [1] = {
 585                         .name = "Boot1",
 586                         .offset = MTDPART_OFS_APPEND,
 587                         .size = 0x40000,
 588                         .mask_flags = MTD_WRITEABLE,
 589         },
 590         [2] = {
 591                         .name = "Kernel",
 592                         .offset = MTDPART_OFS_APPEND,
 593                         .size = 0x300000,
 594                         .mask_flags = 0,
 595         },
 596         [3] = {
 597                         .name = "Filesystem",
 598                         .offset = MTDPART_OFS_APPEND,
 599                         .size = MTDPART_SIZ_FULL,
 600                         .mask_flags = 0,
 601         },
 602 };
 603
 604 static struct s3c2410_nand_set rx1950_nand_sets[] = {
 605         [0] = {
 606                         .name = "Internal",
 607                         .nr_chips = 1,
 608                         .nr_partitions = ARRAY_SIZE(rx1950_nand_part),
 609                         .partitions = rx1950_nand_part,
 610         },
 611 };
 612
 613 static struct s3c2410_platform_nand rx1950_nand_info = {
 614         .tacls = 25,
 615         .twrph0 = 50,
 616         .twrph1 = 15,
 617         .nr_sets = ARRAY_SIZE(rx1950_nand_sets),
 618         .sets = rx1950_nand_sets,
 619 };
 620
 621 static struct s3c2410_udc_mach_info rx1950_udc_cfg __initdata = {
 622         .vbus_pin = S3C2410_GPG(5),
 623         .vbus_pin_inverted = 1,
 624         .pullup_pin = S3C2410_GPJ(5),
 625 };
 626
 627 static struct s3c2410_ts_mach_info rx1950_ts_cfg __initdata = {
 628         .delay = 10000,
 629         .presc = 49,
 630         .oversampling_shift = 3,
 631 };
 632
 633 static struct gpio_keys_button rx1950_gpio_keys_table[] = {
 634         {
 635                 .code           = KEY_POWER,
 636                 .gpio           = S3C2410_GPF(0),
 637                 .active_low     = 1,
 638                 .desc           = "Power button",
 639                 .wakeup         = 1,
 640         },
 641         {
 642                 .code           = KEY_F5,
 643                 .gpio           = S3C2410_GPF(7),
 644                 .active_low     = 1,
 645                 .desc           = "Record button",
 646         },
 647         {
 648                 .code           = KEY_F1,
 649                 .gpio           = S3C2410_GPG(0),
 650                 .active_low     = 1,
 651                 .desc           = "Calendar button",
 652         },
 653         {
 654                 .code           = KEY_F2,
 655                 .gpio           = S3C2410_GPG(2),
 656                 .active_low     = 1,
 657                 .desc           = "Contacts button",
 658         },
 659         {
 660                 .code           = KEY_F3,
 661                 .gpio           = S3C2410_GPG(3),
 662                 .active_low     = 1,
 663                 .desc           = "Mail button",
 664         },
 665         {
 666                 .code           = KEY_F4,
 667                 .gpio           = S3C2410_GPG(7),
 668                 .active_low     = 1,
 669                 .desc           = "WLAN button",
 670         },
 671         {
 672                 .code           = KEY_LEFT,
 673                 .gpio           = S3C2410_GPG(10),
 674                 .active_low     = 1,
 675                 .desc           = "Left button",
 676         },
 677         {
 678                 .code           = KEY_RIGHT,
 679                 .gpio           = S3C2410_GPG(11),
 680                 .active_low     = 1,
 681                 .desc           = "Right button",
 682         },
 683         {
 684                 .code           = KEY_UP,
 685                 .gpio           = S3C2410_GPG(4),
 686                 .active_low     = 1,
 687                 .desc           = "Up button",
 688         },
 689         {
 690                 .code           = KEY_DOWN,
 691                 .gpio           = S3C2410_GPG(6),
 692                 .active_low     = 1,
 693                 .desc           = "Down button",
 694         },
 695         {
 696                 .code           = KEY_ENTER,
 697                 .gpio           = S3C2410_GPG(9),
 698                 .active_low     = 1,
 699                 .desc           = "Ok button"
 700         },
 701 };
 702
 703 static struct gpio_keys_platform_data rx1950_gpio_keys_data = {
 704         .buttons = rx1950_gpio_keys_table,
 705         .nbuttons = ARRAY_SIZE(rx1950_gpio_keys_table),
 706 };
 707
 708 static struct platform_device rx1950_device_gpiokeys = {
 709         .name = "gpio-keys",
 710         .dev.platform_data = &rx1950_gpio_keys_data,
 711 };
 712
 713 static struct uda1380_platform_data uda1380_info = {
 714         .gpio_power     = S3C2410_GPJ(0),
 715         .gpio_reset     = S3C2410_GPD(0),
 716         .dac_clk        = UDA1380_DAC_CLK_SYSCLK,
 717 };
 718
 719 static struct i2c_board_info rx1950_i2c_devices[] = {
 720         {
 721                 I2C_BOARD_INFO("uda1380", 0x1a),
 722                 .platform_data = &uda1380_info,
 723         },
 724 };
 725
 726 static struct platform_device *rx1950_devices[] __initdata = {
 727         &s3c_device_lcd,
 728         &s3c_device_wdt,
 729         &s3c_device_i2c0,
 730         &s3c_device_iis,
 731         &samsung_asoc_dma,
 732         &s3c_device_usbgadget,
 733         &s3c_device_rtc,
 734         &s3c_device_nand,
 735         &s3c_device_sdi,
 736         &s3c_device_adc,
 737         &s3c_device_ts,
 738         &s3c_device_timer[0],
 739         &s3c_device_timer[1],
 740         &rx1950_backlight,
 741         &rx1950_device_gpiokeys,
 742         &power_supply,
 743         &rx1950_battery,
 744         &rx1950_leds,
 745 };
 746
 747 static struct clk *rx1950_clocks[] __initdata = {
 748         &s3c24xx_clkout0,
 749         &s3c24xx_clkout1,
 750 };
 751
 752 static void __init rx1950_map_io(void)
 753 {
 754         s3c24xx_clkout0.parent  = &clk_h;
 755         s3c24xx_clkout1.parent  = &clk_f;
 756
 757         s3c24xx_register_clocks(rx1950_clocks, ARRAY_SIZE(rx1950_clocks));
 758
 759         s3c24xx_init_io(rx1950_iodesc, ARRAY_SIZE(rx1950_iodesc));
 760         s3c24xx_init_clocks(16934000);
 761         s3c24xx_init_uarts(rx1950_uartcfgs, ARRAY_SIZE(rx1950_uartcfgs));
 762
 763         /* setup PM */
 764
 765 #ifdef CONFIG_PM_H1940
 766         memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 8);
 767 #endif
 768
 769         s3c_pm_init();
 770 }
 771
 772 static void __init rx1950_init_machine(void)
 773 {
 774         int i;
 775
 776         s3c24xx_fb_set_platdata(&rx1950_lcd_cfg);
 777         s3c24xx_udc_set_platdata(&rx1950_udc_cfg);
 778         s3c24xx_ts_set_platdata(&rx1950_ts_cfg);
 779         s3c24xx_mci_set_platdata(&rx1950_mmc_cfg);
 780         s3c_i2c0_set_platdata(NULL);
 781         s3c_nand_set_platdata(&rx1950_nand_info);
 782
 783         /* Turn off suspend on both USB ports, and switch the
 784          * selectable USB port to USB device mode. */
 785         s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
 786                                                 S3C2410_MISCCR_USBSUSPND0 |
 787                                                 S3C2410_MISCCR_USBSUSPND1, 0x0);
 788
 789         /* mmc power is disabled by default */
 790         WARN_ON(gpio_request(S3C2410_GPJ(1), "MMC power"));
 791         gpio_direction_output(S3C2410_GPJ(1), 0);
 792
 793         for (i = 0; i < 8; i++)
 794                 WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
 795
 796         for (i = 10; i < 16; i++)
 797                 WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
 798
 799         for (i = 2; i < 8; i++)
 800                 WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
 801
 802         for (i = 11; i < 16; i++)
 803                 WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
 804
 805         WARN_ON(gpio_request(S3C2410_GPB(1), "LCD power"));
 806
 807         WARN_ON(gpio_request(S3C2410_GPA(3), "Red blink"));
 808         WARN_ON(gpio_request(S3C2410_GPA(4), "Green blink"));
 809         WARN_ON(gpio_request(S3C2410_GPJ(6), "LED blink"));
 810         gpio_direction_output(S3C2410_GPA(3), 0);
 811         gpio_direction_output(S3C2410_GPA(4), 0);
 812         gpio_direction_output(S3C2410_GPJ(6), 0);
 813
 814         platform_add_devices(rx1950_devices, ARRAY_SIZE(rx1950_devices));
 815
 816         i2c_register_board_info(0, rx1950_i2c_devices,
 817                 ARRAY_SIZE(rx1950_i2c_devices));
 818 }
 819
 820 /* H1940 and RX3715 need to reserve this for suspend */
 821 static void __init rx1950_reserve(void)
 822 {
 823         memblock_reserve(0x30003000, 0x1000);
 824         memblock_reserve(0x30081000, 0x1000);
 825 }
 826
 827 MACHINE_START(RX1950, "HP iPAQ RX1950")
 828     /* Maintainers: Vasily Khoruzhick */
 829         .atag_offset = 0x100,
 830         .map_io = rx1950_map_io,
 831         .reserve        = rx1950_reserve,
 832         .init_irq = s3c24xx_init_irq,
 833         .init_machine = rx1950_init_machine,
 834         .timer = &s3c24xx_timer,
 835 MACHINE_END