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 static struct gpio_led rx1950_leds_desc[] = {
 267         {
 268                 .name                           = "Green",
 269                 .default_trigger        = "main-battery-charging-or-full",
 270                 .gpio                           = S3C2410_GPA(6),
 271         },
 272         {
 273                 .name                           = "Red",
 274                 .default_trigger        = "main-battery-full",
 275                 .gpio                           = S3C2410_GPA(7),
 276         },
 277         {
 278                 .name                           = "Blue",
 279                 .default_trigger        = "rx1950-acx-mem",
 280                 .gpio                           = S3C2410_GPA(11),
 281         },
 282 };
 283
 284 static struct gpio_led_platform_data rx1950_leds_pdata = {
 285         .num_leds       = ARRAY_SIZE(rx1950_leds_desc),
 286         .leds           = rx1950_leds_desc,
 287 };
 288
 289 static struct platform_device rx1950_leds = {
 290         .name   = "leds-gpio",
 291         .id             = -1,
 292         .dev    = {
 293                                 .platform_data = &rx1950_leds_pdata,
 294         },
 295 };
 296
 297 static struct s3c_adc_bat_pdata rx1950_bat_cfg = {
 298         .init = rx1950_bat_init,
 299         .exit = rx1950_bat_exit,
 300         .enable_charger = rx1950_enable_charger,
 301         .disable_charger = rx1950_disable_charger,
 302         .gpio_charge_finished = S3C2410_GPF(3),
 303         .lut_noac = bat_lut_noac,
 304         .lut_noac_cnt = ARRAY_SIZE(bat_lut_noac),
 305         .lut_acin = bat_lut_acin,
 306         .lut_acin_cnt = ARRAY_SIZE(bat_lut_acin),
 307         .volt_channel = 0,
 308         .current_channel = 1,
 309         .volt_mult = 4235,
 310         .current_mult = 2900,
 311         .internal_impedance = 200,
 312 };
 313
 314 static struct platform_device rx1950_battery = {
 315         .name             = "s3c-adc-battery",
 316         .id               = -1,
 317         .dev = {
 318                 .parent = &s3c_device_adc.dev,
 319                 .platform_data = &rx1950_bat_cfg,
 320         },
 321 };
 322
 323 static struct s3c2410fb_mach_info rx1950_lcd_cfg = {
 324         .displays = &rx1950_display,
 325         .num_displays = 1,
 326         .default_display = 0,
 327
 328         .lpcsel = 0x02,
 329         .gpccon = 0xaa9556a9,
 330         .gpccon_mask = 0xffc003fc,
 331         .gpcup = 0x0000ffff,
 332         .gpcup_mask = 0xffffffff,
 333
 334         .gpdcon = 0xaa90aaa1,
 335         .gpdcon_mask = 0xffc0fff0,
 336         .gpdup = 0x0000fcfd,
 337         .gpdup_mask = 0xffffffff,
 338
 339 };
 340
 341 static struct pwm_device *lcd_pwm;
 342
 343 void rx1950_lcd_power(int enable)
 344 {
 345         int i;
 346         static int enabled;
 347         if (enabled == enable)
 348                 return;
 349         if (!enable) {
 350
 351                 /* GPC11-GPC15->OUTPUT */
 352                 for (i = 11; i < 16; i++)
 353                         gpio_direction_output(S3C2410_GPC(i), 1);
 354
 355                 /* Wait a bit here... */
 356                 mdelay(100);
 357
 358                 /* GPD2-GPD7->OUTPUT */
 359                 /* GPD11-GPD15->OUTPUT */
 360                 /* GPD2-GPD7->1, GPD11-GPD15->1 */
 361                 for (i = 2; i < 8; i++)
 362                         gpio_direction_output(S3C2410_GPD(i), 1);
 363                 for (i = 11; i < 16; i++)
 364                         gpio_direction_output(S3C2410_GPD(i), 1);
 365
 366                 /* Wait a bit here...*/
 367                 mdelay(100);
 368
 369                 /* GPB0->OUTPUT, GPB0->0 */
 370                 gpio_direction_output(S3C2410_GPB(0), 0);
 371
 372                 /* GPC1-GPC4->OUTPUT, GPC1-4->0 */
 373                 for (i = 1; i < 5; i++)
 374                         gpio_direction_output(S3C2410_GPC(i), 0);
 375
 376                 /* GPC15-GPC11->0 */
 377                 for (i = 11; i < 16; i++)
 378                         gpio_direction_output(S3C2410_GPC(i), 0);
 379
 380                 /* GPD15-GPD11->0, GPD2->GPD7->0 */
 381                 for (i = 11; i < 16; i++)
 382                         gpio_direction_output(S3C2410_GPD(i), 0);
 383
 384                 for (i = 2; i < 8; i++)
 385                         gpio_direction_output(S3C2410_GPD(i), 0);
 386
 387                 /* GPC6->0, GPC7->0, GPC5->0 */
 388                 gpio_direction_output(S3C2410_GPC(6), 0);
 389                 gpio_direction_output(S3C2410_GPC(7), 0);
 390                 gpio_direction_output(S3C2410_GPC(5), 0);
 391
 392                 /* GPB1->OUTPUT, GPB1->0 */
 393                 gpio_direction_output(S3C2410_GPB(1), 0);
 394                 pwm_config(lcd_pwm, 0, LCD_PWM_PERIOD);
 395                 pwm_disable(lcd_pwm);
 396
 397                 /* GPC0->0, GPC10->0 */
 398                 gpio_direction_output(S3C2410_GPC(0), 0);
 399                 gpio_direction_output(S3C2410_GPC(10), 0);
 400         } else {
 401                 pwm_config(lcd_pwm, LCD_PWM_DUTY, LCD_PWM_PERIOD);
 402                 pwm_enable(lcd_pwm);
 403
 404                 gpio_direction_output(S3C2410_GPC(0), 1);
 405                 gpio_direction_output(S3C2410_GPC(5), 1);
 406
 407                 s3c_gpio_cfgpin(S3C2410_GPB(1), S3C2410_GPB1_TOUT1);
 408                 gpio_direction_output(S3C2410_GPC(7), 1);
 409
 410                 for (i = 1; i < 5; i++)
 411                         s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));
 412
 413                 for (i = 11; i < 16; i++)
 414                         s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));
 415
 416                 for (i = 2; i < 8; i++)
 417                         s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));
 418
 419                 for (i = 11; i < 16; i++)
 420                         s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));
 421
 422                 gpio_direction_output(S3C2410_GPC(10), 1);
 423                 gpio_direction_output(S3C2410_GPC(6), 1);
 424         }
 425         enabled = enable;
 426 }
 427
 428 static void rx1950_bl_power(int enable)
 429 {
 430         static int enabled;
 431         if (enabled == enable)
 432                 return;
 433         if (!enable) {
 434                         gpio_direction_output(S3C2410_GPB(0), 0);
 435         } else {
 436                         /* LED driver need a "push" to power on */
 437                         gpio_direction_output(S3C2410_GPB(0), 1);
 438                         /* Warm up backlight for one period of PWM.
 439                          * Without this trick its almost impossible to
 440                          * enable backlight with low brightness value
 441                          */
 442                         ndelay(48000);
 443                         s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
 444         }
 445         enabled = enable;
 446 }
 447
 448 static int rx1950_backlight_init(struct device *dev)
 449 {
 450         WARN_ON(gpio_request(S3C2410_GPB(0), "Backlight"));
 451         lcd_pwm = pwm_request(1, "RX1950 LCD");
 452         if (IS_ERR(lcd_pwm)) {
 453                 dev_err(dev, "Unable to request PWM for LCD power!\n");
 454                 return PTR_ERR(lcd_pwm);
 455         }
 456
 457         rx1950_lcd_power(1);
 458         rx1950_bl_power(1);
 459
 460         return 0;
 461 }
 462
 463 static void rx1950_backlight_exit(struct device *dev)
 464 {
 465         rx1950_bl_power(0);
 466         rx1950_lcd_power(0);
 467
 468         pwm_free(lcd_pwm);
 469         gpio_free(S3C2410_GPB(0));
 470 }
 471
 472
 473 static int rx1950_backlight_notify(struct device *dev, int brightness)
 474 {
 475         if (!brightness) {
 476                 rx1950_bl_power(0);
 477                 rx1950_lcd_power(0);
 478         } else {
 479                 rx1950_lcd_power(1);
 480                 rx1950_bl_power(1);
 481         }
 482         return brightness;
 483 }
 484
 485 static struct platform_pwm_backlight_data rx1950_backlight_data = {
 486         .pwm_id = 0,
 487         .max_brightness = 24,
 488         .dft_brightness = 4,
 489         .pwm_period_ns = 48000,
 490         .init = rx1950_backlight_init,
 491         .notify = rx1950_backlight_notify,
 492         .exit = rx1950_backlight_exit,
 493 };
 494
 495 static struct platform_device rx1950_backlight = {
 496         .name = "pwm-backlight",
 497         .dev = {
 498                 .parent = &s3c_device_timer[0].dev,
 499                 .platform_data = &rx1950_backlight_data,
 500         },
 501 };
 502
 503 static void rx1950_set_mmc_power(unsigned char power_mode, unsigned short vdd)
 504 {
 505         switch (power_mode) {
 506         case MMC_POWER_OFF:
 507                 gpio_direction_output(S3C2410_GPJ(1), 0);
 508                 break;
 509         case MMC_POWER_UP:
 510         case MMC_POWER_ON:
 511                 gpio_direction_output(S3C2410_GPJ(1), 1);
 512                 break;
 513         default:
 514                 break;
 515         }
 516 }
 517
 518 static struct s3c24xx_mci_pdata rx1950_mmc_cfg __initdata = {
 519         .gpio_detect = S3C2410_GPF(5),
 520         .gpio_wprotect = S3C2410_GPH(8),
 521         .set_power = rx1950_set_mmc_power,
 522         .ocr_avail = MMC_VDD_32_33,
 523 };
 524
 525 static struct mtd_partition rx1950_nand_part[] = {
 526         [0] = {
 527                         .name = "Boot0",
 528                         .offset = 0,
 529                         .size = 0x4000,
 530                         .mask_flags = MTD_WRITEABLE,
 531         },
 532         [1] = {
 533                         .name = "Boot1",
 534                         .offset = MTDPART_OFS_APPEND,
 535                         .size = 0x40000,
 536                         .mask_flags = MTD_WRITEABLE,
 537         },
 538         [2] = {
 539                         .name = "Kernel",
 540                         .offset = MTDPART_OFS_APPEND,
 541                         .size = 0x300000,
 542                         .mask_flags = 0,
 543         },
 544         [3] = {
 545                         .name = "Filesystem",
 546                         .offset = MTDPART_OFS_APPEND,
 547                         .size = MTDPART_SIZ_FULL,
 548                         .mask_flags = 0,
 549         },
 550 };
 551
 552 static struct s3c2410_nand_set rx1950_nand_sets[] = {
 553         [0] = {
 554                         .name = "Internal",
 555                         .nr_chips = 1,
 556                         .nr_partitions = ARRAY_SIZE(rx1950_nand_part),
 557                         .partitions = rx1950_nand_part,
 558         },
 559 };
 560
 561 static struct s3c2410_platform_nand rx1950_nand_info = {
 562         .tacls = 25,
 563         .twrph0 = 50,
 564         .twrph1 = 15,
 565         .nr_sets = ARRAY_SIZE(rx1950_nand_sets),
 566         .sets = rx1950_nand_sets,
 567 };
 568
 569 static void rx1950_udc_pullup(enum s3c2410_udc_cmd_e cmd)
 570 {
 571         switch (cmd) {
 572         case S3C2410_UDC_P_ENABLE:
 573                 gpio_direction_output(S3C2410_GPJ(5), 1);
 574                 break;
 575         case S3C2410_UDC_P_DISABLE:
 576                 gpio_direction_output(S3C2410_GPJ(5), 0);
 577                 break;
 578         case S3C2410_UDC_P_RESET:
 579                 break;
 580         default:
 581                 break;
 582         }
 583 }
 584
 585 static struct s3c2410_udc_mach_info rx1950_udc_cfg __initdata = {
 586         .udc_command = rx1950_udc_pullup,
 587         .vbus_pin = S3C2410_GPG(5),
 588         .vbus_pin_inverted = 1,
 589 };
 590
 591 static struct s3c2410_ts_mach_info rx1950_ts_cfg __initdata = {
 592         .delay = 10000,
 593         .presc = 49,
 594         .oversampling_shift = 3,
 595 };
 596
 597 static struct gpio_keys_button rx1950_gpio_keys_table[] = {
 598         {
 599                 .code           = KEY_POWER,
 600                 .gpio           = S3C2410_GPF(0),
 601                 .active_low     = 1,
 602                 .desc           = "Power button",
 603                 .wakeup         = 1,
 604         },
 605         {
 606                 .code           = KEY_F5,
 607                 .gpio           = S3C2410_GPF(7),
 608                 .active_low     = 1,
 609                 .desc           = "Record button",
 610         },
 611         {
 612                 .code           = KEY_F1,
 613                 .gpio           = S3C2410_GPG(0),
 614                 .active_low     = 1,
 615                 .desc           = "Calendar button",
 616         },
 617         {
 618                 .code           = KEY_F2,
 619                 .gpio           = S3C2410_GPG(2),
 620                 .active_low     = 1,
 621                 .desc           = "Contacts button",
 622         },
 623         {
 624                 .code           = KEY_F3,
 625                 .gpio           = S3C2410_GPG(3),
 626                 .active_low     = 1,
 627                 .desc           = "Mail button",
 628         },
 629         {
 630                 .code           = KEY_F4,
 631                 .gpio           = S3C2410_GPG(7),
 632                 .active_low     = 1,
 633                 .desc           = "WLAN button",
 634         },
 635         {
 636                 .code           = KEY_LEFT,
 637                 .gpio           = S3C2410_GPG(10),
 638                 .active_low     = 1,
 639                 .desc           = "Left button",
 640         },
 641         {
 642                 .code           = KEY_RIGHT,
 643                 .gpio           = S3C2410_GPG(11),
 644                 .active_low     = 1,
 645                 .desc           = "Right button",
 646         },
 647         {
 648                 .code           = KEY_UP,
 649                 .gpio           = S3C2410_GPG(4),
 650                 .active_low     = 1,
 651                 .desc           = "Up button",
 652         },
 653         {
 654                 .code           = KEY_DOWN,
 655                 .gpio           = S3C2410_GPG(6),
 656                 .active_low     = 1,
 657                 .desc           = "Down button",
 658         },
 659         {
 660                 .code           = KEY_ENTER,
 661                 .gpio           = S3C2410_GPG(9),
 662                 .active_low     = 1,
 663                 .desc           = "Ok button"
 664         },
 665 };
 666
 667 static struct gpio_keys_platform_data rx1950_gpio_keys_data = {
 668         .buttons = rx1950_gpio_keys_table,
 669         .nbuttons = ARRAY_SIZE(rx1950_gpio_keys_table),
 670 };
 671
 672 static struct platform_device rx1950_device_gpiokeys = {
 673         .name = "gpio-keys",
 674         .dev.platform_data = &rx1950_gpio_keys_data,
 675 };
 676
 677 static struct uda1380_platform_data uda1380_info = {
 678         .gpio_power     = S3C2410_GPJ(0),
 679         .gpio_reset     = S3C2410_GPD(0),
 680         .dac_clk        = UDA1380_DAC_CLK_SYSCLK,
 681 };
 682
 683 static struct i2c_board_info rx1950_i2c_devices[] = {
 684         {
 685                 I2C_BOARD_INFO("uda1380", 0x1a),
 686                 .platform_data = &uda1380_info,
 687         },
 688 };
 689
 690 static struct platform_device *rx1950_devices[] __initdata = {
 691         &s3c_device_lcd,
 692         &s3c_device_wdt,
 693         &s3c_device_i2c0,
 694         &s3c_device_iis,
 695         &samsung_asoc_dma,
 696         &s3c_device_usbgadget,
 697         &s3c_device_rtc,
 698         &s3c_device_nand,
 699         &s3c_device_sdi,
 700         &s3c_device_adc,
 701         &s3c_device_ts,
 702         &s3c_device_timer[0],
 703         &s3c_device_timer[1],
 704         &rx1950_backlight,
 705         &rx1950_device_gpiokeys,
 706         &power_supply,
 707         &rx1950_battery,
 708         &rx1950_leds,
 709 };
 710
 711 static struct clk *rx1950_clocks[] __initdata = {
 712         &s3c24xx_clkout0,
 713         &s3c24xx_clkout1,
 714 };
 715
 716 static void __init rx1950_map_io(void)
 717 {
 718         s3c24xx_clkout0.parent  = &clk_h;
 719         s3c24xx_clkout1.parent  = &clk_f;
 720
 721         s3c24xx_register_clocks(rx1950_clocks, ARRAY_SIZE(rx1950_clocks));
 722
 723         s3c24xx_init_io(rx1950_iodesc, ARRAY_SIZE(rx1950_iodesc));
 724         s3c24xx_init_clocks(16934000);
 725         s3c24xx_init_uarts(rx1950_uartcfgs, ARRAY_SIZE(rx1950_uartcfgs));
 726
 727         /* setup PM */
 728
 729 #ifdef CONFIG_PM_H1940
 730         memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 8);
 731 #endif
 732
 733         s3c_pm_init();
 734 }
 735
 736 static void __init rx1950_init_machine(void)
 737 {
 738         int i;
 739
 740         s3c24xx_fb_set_platdata(&rx1950_lcd_cfg);
 741         s3c24xx_udc_set_platdata(&rx1950_udc_cfg);
 742         s3c24xx_ts_set_platdata(&rx1950_ts_cfg);
 743         s3c24xx_mci_set_platdata(&rx1950_mmc_cfg);
 744         s3c_i2c0_set_platdata(NULL);
 745         s3c_nand_set_platdata(&rx1950_nand_info);
 746
 747         /* Turn off suspend on both USB ports, and switch the
 748          * selectable USB port to USB device mode. */
 749         s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
 750                                                 S3C2410_MISCCR_USBSUSPND0 |
 751                                                 S3C2410_MISCCR_USBSUSPND1, 0x0);
 752
 753         WARN_ON(gpio_request(S3C2410_GPJ(5), "UDC pullup"));
 754         gpio_direction_output(S3C2410_GPJ(5), 0);
 755
 756         /* mmc power is disabled by default */
 757         WARN_ON(gpio_request(S3C2410_GPJ(1), "MMC power"));
 758         gpio_direction_output(S3C2410_GPJ(1), 0);
 759
 760         for (i = 0; i < 8; i++)
 761                 WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
 762
 763         for (i = 10; i < 16; i++)
 764                 WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
 765
 766         for (i = 2; i < 8; i++)
 767                 WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
 768
 769         for (i = 11; i < 16; i++)
 770                 WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
 771
 772         WARN_ON(gpio_request(S3C2410_GPB(1), "LCD power"));
 773
 774         platform_add_devices(rx1950_devices, ARRAY_SIZE(rx1950_devices));
 775
 776         i2c_register_board_info(0, rx1950_i2c_devices,
 777                 ARRAY_SIZE(rx1950_i2c_devices));
 778 }
 779
 780 /* H1940 and RX3715 need to reserve this for suspend */
 781 static void __init rx1950_reserve(void)
 782 {
 783         memblock_reserve(0x30003000, 0x1000);
 784         memblock_reserve(0x30081000, 0x1000);
 785 }
 786
 787 MACHINE_START(RX1950, "HP iPAQ RX1950")
 788     /* Maintainers: Vasily Khoruzhick */
 789         .boot_params = S3C2410_SDRAM_PA + 0x100,
 790         .map_io = rx1950_map_io,
 791         .reserve        = rx1950_reserve,
 792         .init_irq = s3c24xx_init_irq,
 793         .init_machine = rx1950_init_machine,
 794         .timer = &s3c24xx_timer,
 795 MACHINE_END