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

   1 /*
   2  * Copyright (c) 2006-2009 Victor Chukhantsev, Denis Grigoriev,
   3  * Copyright (c) 2007-2010 Vasily Khoruzhick
   4  *
   5  * based on smdk2440 written by Ben Dooks
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10  *
  11 */
  12
  13 #include <linux/kernel.h>
  14 #include <linux/types.h>
  15 #include <linux/interrupt.h>
  16 #include <linux/list.h>
  17 #include <linux/memblock.h>
  18 #include <linux/delay.h>
  19 #include <linux/timer.h>
  20 #include <linux/init.h>
  21 #include <linux/gpio.h>
  22 #include <linux/platform_device.h>
  23 #include <linux/serial_core.h>
  24 #include <linux/serial_s3c.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-types.h>
  41 #include <asm/mach/arch.h>
  42 #include <asm/mach/map.h>
  43
  44 #include <linux/platform_data/i2c-s3c2410.h>
  45 #include <linux/platform_data/mmc-s3cmci.h>
  46 #include <linux/platform_data/mtd-nand-s3c2410.h>
  47 #include <linux/platform_data/touchscreen-s3c2410.h>
  48 #include <linux/platform_data/usb-s3c2410_udc.h>
  49
  50 #include <sound/uda1380.h>
  51
  52 #include <mach/fb.h>
  53 #include <mach/regs-gpio.h>
  54 #include <mach/regs-lcd.h>
  55 #include <mach/gpio-samsung.h>
  56
  57 #include <plat/cpu.h>
  58 #include <plat/devs.h>
  59 #include <plat/pm.h>
  60 #include <plat/samsung-time.h>
  61 #include <plat/gpio-cfg.h>
  62
  63 #include "common.h"
  64 #include "h1940.h"
  65
  66 #define LCD_PWM_PERIOD 192960
  67 #define LCD_PWM_DUTY 127353
  68
  69 static struct map_desc rx1950_iodesc[] __initdata = {
  70 };
  71
  72 static struct s3c2410_uartcfg rx1950_uartcfgs[] __initdata = {
  73         [0] = {
  74                .hwport = 0,
  75                .flags = 0,
  76                .ucon = 0x3c5,
  77                .ulcon = 0x03,
  78                .ufcon = 0x51,
  79                 .clk_sel = S3C2410_UCON_CLKSEL3,
  80         },
  81         [1] = {
  82                .hwport = 1,
  83                .flags = 0,
  84                .ucon = 0x3c5,
  85                .ulcon = 0x03,
  86                .ufcon = 0x51,
  87                 .clk_sel = S3C2410_UCON_CLKSEL3,
  88         },
  89         /* IR port */
  90         [2] = {
  91                .hwport = 2,
  92                .flags = 0,
  93                .ucon = 0x3c5,
  94                .ulcon = 0x43,
  95                .ufcon = 0xf1,
  96                 .clk_sel = S3C2410_UCON_CLKSEL3,
  97         },
  98 };
  99
 100 static struct s3c2410fb_display rx1950_display = {
 101         .type = S3C2410_LCDCON1_TFT,
 102         .width = 240,
 103         .height = 320,
 104         .xres = 240,
 105         .yres = 320,
 106         .bpp = 16,
 107
 108         .pixclock = 260000,
 109         .left_margin = 10,
 110         .right_margin = 20,
 111         .hsync_len = 10,
 112         .upper_margin = 2,
 113         .lower_margin = 2,
 114         .vsync_len = 2,
 115
 116         .lcdcon5 = S3C2410_LCDCON5_FRM565 |
 117                            S3C2410_LCDCON5_INVVCLK |
 118                            S3C2410_LCDCON5_INVVLINE |
 119                            S3C2410_LCDCON5_INVVFRAME |
 120                            S3C2410_LCDCON5_HWSWP |
 121                            (0x02 << 13) |
 122                            (0x02 << 15),
 123
 124 };
 125
 126 static int power_supply_init(struct device *dev)
 127 {
 128         return gpio_request(S3C2410_GPF(2), "cable plugged");
 129 }
 130
 131 static int rx1950_is_ac_online(void)
 132 {
 133         return !gpio_get_value(S3C2410_GPF(2));
 134 }
 135
 136 static void power_supply_exit(struct device *dev)
 137 {
 138         gpio_free(S3C2410_GPF(2));
 139 }
 140
 141 static char *rx1950_supplicants[] = {
 142         "main-battery"
 143 };
 144
 145 static struct pda_power_pdata power_supply_info = {
 146         .init                   = power_supply_init,
 147         .is_ac_online           = rx1950_is_ac_online,
 148         .exit                   = power_supply_exit,
 149         .supplied_to            = rx1950_supplicants,
 150         .num_supplicants        = ARRAY_SIZE(rx1950_supplicants),
 151 };
 152
 153 static struct resource power_supply_resources[] = {
 154         [0] = DEFINE_RES_NAMED(IRQ_EINT2, 1, "ac", IORESOURCE_IRQ \
 155                         | IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE),
 156 };
 157
 158 static struct platform_device power_supply = {
 159         .name                   = "pda-power",
 160         .id                     = -1,
 161         .dev                    = {
 162                                         .platform_data =
 163                                                 &power_supply_info,
 164         },
 165         .resource               = power_supply_resources,
 166         .num_resources          = ARRAY_SIZE(power_supply_resources),
 167 };
 168
 169 static const struct s3c_adc_bat_thresh bat_lut_noac[] = {
 170         { .volt = 4100, .cur = 156, .level = 100},
 171         { .volt = 4050, .cur = 156, .level = 95},
 172         { .volt = 4025, .cur = 141, .level = 90},
 173         { .volt = 3995, .cur = 144, .level = 85},
 174         { .volt = 3957, .cur = 162, .level = 80},
 175         { .volt = 3931, .cur = 147, .level = 75},
 176         { .volt = 3902, .cur = 147, .level = 70},
 177         { .volt = 3863, .cur = 153, .level = 65},
 178         { .volt = 3838, .cur = 150, .level = 60},
 179         { .volt = 3800, .cur = 153, .level = 55},
 180         { .volt = 3765, .cur = 153, .level = 50},
 181         { .volt = 3748, .cur = 172, .level = 45},
 182         { .volt = 3740, .cur = 153, .level = 40},
 183         { .volt = 3714, .cur = 175, .level = 35},
 184         { .volt = 3710, .cur = 156, .level = 30},
 185         { .volt = 3963, .cur = 156, .level = 25},
 186         { .volt = 3672, .cur = 178, .level = 20},
 187         { .volt = 3651, .cur = 178, .level = 15},
 188         { .volt = 3629, .cur = 178, .level = 10},
 189         { .volt = 3612, .cur = 162, .level = 5},
 190         { .volt = 3605, .cur = 162, .level = 0},
 191 };
 192
 193 static const struct s3c_adc_bat_thresh bat_lut_acin[] = {
 194         { .volt = 4200, .cur = 0, .level = 100},
 195         { .volt = 4190, .cur = 0, .level = 99},
 196         { .volt = 4178, .cur = 0, .level = 95},
 197         { .volt = 4110, .cur = 0, .level = 70},
 198         { .volt = 4076, .cur = 0, .level = 65},
 199         { .volt = 4046, .cur = 0, .level = 60},
 200         { .volt = 4021, .cur = 0, .level = 55},
 201         { .volt = 3999, .cur = 0, .level = 50},
 202         { .volt = 3982, .cur = 0, .level = 45},
 203         { .volt = 3965, .cur = 0, .level = 40},
 204         { .volt = 3957, .cur = 0, .level = 35},
 205         { .volt = 3948, .cur = 0, .level = 30},
 206         { .volt = 3936, .cur = 0, .level = 25},
 207         { .volt = 3927, .cur = 0, .level = 20},
 208         { .volt = 3906, .cur = 0, .level = 15},
 209         { .volt = 3880, .cur = 0, .level = 10},
 210         { .volt = 3829, .cur = 0, .level = 5},
 211         { .volt = 3820, .cur = 0, .level = 0},
 212 };
 213
 214 static int rx1950_bat_init(void)
 215 {
 216         int ret;
 217
 218         ret = gpio_request(S3C2410_GPJ(2), "rx1950-charger-enable-1");
 219         if (ret)
 220                 goto err_gpio1;
 221         ret = gpio_request(S3C2410_GPJ(3), "rx1950-charger-enable-2");
 222         if (ret)
 223                 goto err_gpio2;
 224
 225         return 0;
 226
 227 err_gpio2:
 228         gpio_free(S3C2410_GPJ(2));
 229 err_gpio1:
 230         return ret;
 231 }
 232
 233 static void rx1950_bat_exit(void)
 234 {
 235         gpio_free(S3C2410_GPJ(2));
 236         gpio_free(S3C2410_GPJ(3));
 237 }
 238
 239 static void rx1950_enable_charger(void)
 240 {
 241         gpio_direction_output(S3C2410_GPJ(2), 1);
 242         gpio_direction_output(S3C2410_GPJ(3), 1);
 243 }
 244
 245 static void rx1950_disable_charger(void)
 246 {
 247         gpio_direction_output(S3C2410_GPJ(2), 0);
 248         gpio_direction_output(S3C2410_GPJ(3), 0);
 249 }
 250
 251 static DEFINE_SPINLOCK(rx1950_blink_spin);
 252
 253 static int rx1950_led_blink_set(struct gpio_desc *desc, int state,
 254         unsigned long *delay_on, unsigned long *delay_off)
 255 {
 256         int gpio = desc_to_gpio(desc);
 257         int blink_gpio, check_gpio;
 258
 259         switch (gpio) {
 260         case S3C2410_GPA(6):
 261                 blink_gpio = S3C2410_GPA(4);
 262                 check_gpio = S3C2410_GPA(3);
 263                 break;
 264         case S3C2410_GPA(7):
 265                 blink_gpio = S3C2410_GPA(3);
 266                 check_gpio = S3C2410_GPA(4);
 267                 break;
 268         default:
 269                 return -EINVAL;
 270                 break;
 271         }
 272
 273         if (delay_on && delay_off && !*delay_on && !*delay_off)
 274                 *delay_on = *delay_off = 500;
 275
 276         spin_lock(&rx1950_blink_spin);
 277
 278         switch (state) {
 279         case GPIO_LED_NO_BLINK_LOW:
 280         case GPIO_LED_NO_BLINK_HIGH:
 281                 if (!gpio_get_value(check_gpio))
 282                         gpio_set_value(S3C2410_GPJ(6), 0);
 283                 gpio_set_value(blink_gpio, 0);
 284                 gpio_set_value(gpio, state);
 285                 break;
 286         case GPIO_LED_BLINK:
 287                 gpio_set_value(gpio, 0);
 288                 gpio_set_value(S3C2410_GPJ(6), 1);
 289                 gpio_set_value(blink_gpio, 1);
 290                 break;
 291         }
 292
 293         spin_unlock(&rx1950_blink_spin);
 294
 295         return 0;
 296 }
 297
 298 static struct gpio_led rx1950_leds_desc[] = {
 299         {
 300                 .name                   = "Green",
 301                 .default_trigger        = "main-battery-full",
 302                 .gpio                   = S3C2410_GPA(6),
 303                 .retain_state_suspended = 1,
 304         },
 305         {
 306                 .name                   = "Red",
 307                 .default_trigger
 308                         = "main-battery-charging-blink-full-solid",
 309                 .gpio                   = S3C2410_GPA(7),
 310                 .retain_state_suspended = 1,
 311         },
 312         {
 313                 .name                   = "Blue",
 314                 .default_trigger        = "rx1950-acx-mem",
 315                 .gpio                   = S3C2410_GPA(11),
 316                 .retain_state_suspended = 1,
 317         },
 318 };
 319
 320 static struct gpio_led_platform_data rx1950_leds_pdata = {
 321         .num_leds       = ARRAY_SIZE(rx1950_leds_desc),
 322         .leds           = rx1950_leds_desc,
 323         .gpio_blink_set = rx1950_led_blink_set,
 324 };
 325
 326 static struct platform_device rx1950_leds = {
 327         .name   = "leds-gpio",
 328         .id             = -1,
 329         .dev    = {
 330                                 .platform_data = &rx1950_leds_pdata,
 331         },
 332 };
 333
 334 static struct s3c_adc_bat_pdata rx1950_bat_cfg = {
 335         .init = rx1950_bat_init,
 336         .exit = rx1950_bat_exit,
 337         .enable_charger = rx1950_enable_charger,
 338         .disable_charger = rx1950_disable_charger,
 339         .gpio_charge_finished = S3C2410_GPF(3),
 340         .lut_noac = bat_lut_noac,
 341         .lut_noac_cnt = ARRAY_SIZE(bat_lut_noac),
 342         .lut_acin = bat_lut_acin,
 343         .lut_acin_cnt = ARRAY_SIZE(bat_lut_acin),
 344         .volt_channel = 0,
 345         .current_channel = 1,
 346         .volt_mult = 4235,
 347         .current_mult = 2900,
 348         .internal_impedance = 200,
 349 };
 350
 351 static struct platform_device rx1950_battery = {
 352         .name             = "s3c-adc-battery",
 353         .id               = -1,
 354         .dev = {
 355                 .parent = &s3c_device_adc.dev,
 356                 .platform_data = &rx1950_bat_cfg,
 357         },
 358 };
 359
 360 static struct s3c2410fb_mach_info rx1950_lcd_cfg = {
 361         .displays = &rx1950_display,
 362         .num_displays = 1,
 363         .default_display = 0,
 364
 365         .lpcsel = 0x02,
 366         .gpccon = 0xaa9556a9,
 367         .gpccon_mask = 0xffc003fc,
 368         .gpcup = 0x0000ffff,
 369         .gpcup_mask = 0xffffffff,
 370
 371         .gpdcon = 0xaa90aaa1,
 372         .gpdcon_mask = 0xffc0fff0,
 373         .gpdup = 0x0000fcfd,
 374         .gpdup_mask = 0xffffffff,
 375
 376 };
 377
 378 static struct pwm_lookup rx1950_pwm_lookup[] = {
 379         PWM_LOOKUP("samsung-pwm", 0, "pwm-backlight.0", NULL, 48000,
 380                    PWM_POLARITY_NORMAL),
 381 };
 382
 383 static struct pwm_device *lcd_pwm;
 384
 385 static 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         /*
 500          * FIXME: pwm_apply_args() should be removed when switching to
 501          * the atomic PWM API.
 502          */
 503         pwm_apply_args(lcd_pwm);
 504
 505         rx1950_lcd_power(1);
 506         rx1950_bl_power(1);
 507
 508         return 0;
 509 }
 510
 511 static void rx1950_backlight_exit(struct device *dev)
 512 {
 513         rx1950_bl_power(0);
 514         rx1950_lcd_power(0);
 515
 516         pwm_free(lcd_pwm);
 517         gpio_free(S3C2410_GPB(0));
 518 }
 519
 520
 521 static int rx1950_backlight_notify(struct device *dev, int brightness)
 522 {
 523         if (!brightness) {
 524                 rx1950_bl_power(0);
 525                 rx1950_lcd_power(0);
 526         } else {
 527                 rx1950_lcd_power(1);
 528                 rx1950_bl_power(1);
 529         }
 530         return brightness;
 531 }
 532
 533 static struct platform_pwm_backlight_data rx1950_backlight_data = {
 534         .max_brightness = 24,
 535         .dft_brightness = 4,
 536         .enable_gpio = -1,
 537         .init = rx1950_backlight_init,
 538         .notify = rx1950_backlight_notify,
 539         .exit = rx1950_backlight_exit,
 540 };
 541
 542 static struct platform_device rx1950_backlight = {
 543         .name = "pwm-backlight",
 544         .dev = {
 545                 .parent = &samsung_device_pwm.dev,
 546                 .platform_data = &rx1950_backlight_data,
 547         },
 548 };
 549
 550 static void rx1950_set_mmc_power(unsigned char power_mode, unsigned short vdd)
 551 {
 552         switch (power_mode) {
 553         case MMC_POWER_OFF:
 554                 gpio_direction_output(S3C2410_GPJ(1), 0);
 555                 break;
 556         case MMC_POWER_UP:
 557         case MMC_POWER_ON:
 558                 gpio_direction_output(S3C2410_GPJ(1), 1);
 559                 break;
 560         default:
 561                 break;
 562         }
 563 }
 564
 565 static struct s3c24xx_mci_pdata rx1950_mmc_cfg __initdata = {
 566         .gpio_detect = S3C2410_GPF(5),
 567         .gpio_wprotect = S3C2410_GPH(8),
 568         .set_power = rx1950_set_mmc_power,
 569         .ocr_avail = MMC_VDD_32_33,
 570 };
 571
 572 static struct mtd_partition rx1950_nand_part[] = {
 573         [0] = {
 574                         .name = "Boot0",
 575                         .offset = 0,
 576                         .size = 0x4000,
 577                         .mask_flags = MTD_WRITEABLE,
 578         },
 579         [1] = {
 580                         .name = "Boot1",
 581                         .offset = MTDPART_OFS_APPEND,
 582                         .size = 0x40000,
 583                         .mask_flags = MTD_WRITEABLE,
 584         },
 585         [2] = {
 586                         .name = "Kernel",
 587                         .offset = MTDPART_OFS_APPEND,
 588                         .size = 0x300000,
 589                         .mask_flags = 0,
 590         },
 591         [3] = {
 592                         .name = "Filesystem",
 593                         .offset = MTDPART_OFS_APPEND,
 594                         .size = MTDPART_SIZ_FULL,
 595                         .mask_flags = 0,
 596         },
 597 };
 598
 599 static struct s3c2410_nand_set rx1950_nand_sets[] = {
 600         [0] = {
 601                         .name = "Internal",
 602                         .nr_chips = 1,
 603                         .nr_partitions = ARRAY_SIZE(rx1950_nand_part),
 604                         .partitions = rx1950_nand_part,
 605         },
 606 };
 607
 608 static struct s3c2410_platform_nand rx1950_nand_info = {
 609         .tacls = 25,
 610         .twrph0 = 50,
 611         .twrph1 = 15,
 612         .nr_sets = ARRAY_SIZE(rx1950_nand_sets),
 613         .sets = rx1950_nand_sets,
 614 };
 615
 616 static struct s3c2410_udc_mach_info rx1950_udc_cfg __initdata = {
 617         .vbus_pin = S3C2410_GPG(5),
 618         .vbus_pin_inverted = 1,
 619         .pullup_pin = S3C2410_GPJ(5),
 620 };
 621
 622 static struct s3c2410_ts_mach_info rx1950_ts_cfg __initdata = {
 623         .delay = 10000,
 624         .presc = 49,
 625         .oversampling_shift = 3,
 626 };
 627
 628 static struct gpio_keys_button rx1950_gpio_keys_table[] = {
 629         {
 630                 .code           = KEY_POWER,
 631                 .gpio           = S3C2410_GPF(0),
 632                 .active_low     = 1,
 633                 .desc           = "Power button",
 634                 .wakeup         = 1,
 635         },
 636         {
 637                 .code           = KEY_F5,
 638                 .gpio           = S3C2410_GPF(7),
 639                 .active_low     = 1,
 640                 .desc           = "Record button",
 641         },
 642         {
 643                 .code           = KEY_F1,
 644                 .gpio           = S3C2410_GPG(0),
 645                 .active_low     = 1,
 646                 .desc           = "Calendar button",
 647         },
 648         {
 649                 .code           = KEY_F2,
 650                 .gpio           = S3C2410_GPG(2),
 651                 .active_low     = 1,
 652                 .desc           = "Contacts button",
 653         },
 654         {
 655                 .code           = KEY_F3,
 656                 .gpio           = S3C2410_GPG(3),
 657                 .active_low     = 1,
 658                 .desc           = "Mail button",
 659         },
 660         {
 661                 .code           = KEY_F4,
 662                 .gpio           = S3C2410_GPG(7),
 663                 .active_low     = 1,
 664                 .desc           = "WLAN button",
 665         },
 666         {
 667                 .code           = KEY_LEFT,
 668                 .gpio           = S3C2410_GPG(10),
 669                 .active_low     = 1,
 670                 .desc           = "Left button",
 671         },
 672         {
 673                 .code           = KEY_RIGHT,
 674                 .gpio           = S3C2410_GPG(11),
 675                 .active_low     = 1,
 676                 .desc           = "Right button",
 677         },
 678         {
 679                 .code           = KEY_UP,
 680                 .gpio           = S3C2410_GPG(4),
 681                 .active_low     = 1,
 682                 .desc           = "Up button",
 683         },
 684         {
 685                 .code           = KEY_DOWN,
 686                 .gpio           = S3C2410_GPG(6),
 687                 .active_low     = 1,
 688                 .desc           = "Down button",
 689         },
 690         {
 691                 .code           = KEY_ENTER,
 692                 .gpio           = S3C2410_GPG(9),
 693                 .active_low     = 1,
 694                 .desc           = "Ok button"
 695         },
 696 };
 697
 698 static struct gpio_keys_platform_data rx1950_gpio_keys_data = {
 699         .buttons = rx1950_gpio_keys_table,
 700         .nbuttons = ARRAY_SIZE(rx1950_gpio_keys_table),
 701 };
 702
 703 static struct platform_device rx1950_device_gpiokeys = {
 704         .name = "gpio-keys",
 705         .dev.platform_data = &rx1950_gpio_keys_data,
 706 };
 707
 708 static struct uda1380_platform_data uda1380_info = {
 709         .gpio_power     = S3C2410_GPJ(0),
 710         .gpio_reset     = S3C2410_GPD(0),
 711         .dac_clk        = UDA1380_DAC_CLK_SYSCLK,
 712 };
 713
 714 static struct i2c_board_info rx1950_i2c_devices[] = {
 715         {
 716                 I2C_BOARD_INFO("uda1380", 0x1a),
 717                 .platform_data = &uda1380_info,
 718         },
 719 };
 720
 721 static struct platform_device *rx1950_devices[] __initdata = {
 722         &s3c2410_device_dclk,
 723         &s3c_device_lcd,
 724         &s3c_device_wdt,
 725         &s3c_device_i2c0,
 726         &s3c_device_iis,
 727         &s3c_device_usbgadget,
 728         &s3c_device_rtc,
 729         &s3c_device_nand,
 730         &s3c_device_sdi,
 731         &s3c_device_adc,
 732         &s3c_device_ts,
 733         &samsung_device_pwm,
 734         &rx1950_backlight,
 735         &rx1950_device_gpiokeys,
 736         &power_supply,
 737         &rx1950_battery,
 738         &rx1950_leds,
 739 };
 740
 741 static void __init rx1950_map_io(void)
 742 {
 743         s3c24xx_init_io(rx1950_iodesc, ARRAY_SIZE(rx1950_iodesc));
 744         s3c24xx_init_uarts(rx1950_uartcfgs, ARRAY_SIZE(rx1950_uartcfgs));
 745         samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
 746
 747         /* setup PM */
 748
 749 #ifdef CONFIG_PM_H1940
 750         memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 8);
 751 #endif
 752
 753         s3c_pm_init();
 754 }
 755
 756 static void __init rx1950_init_time(void)
 757 {
 758         s3c2442_init_clocks(16934000);
 759         samsung_timer_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         pwm_add_table(rx1950_pwm_lookup, ARRAY_SIZE(rx1950_pwm_lookup));
 805         platform_add_devices(rx1950_devices, ARRAY_SIZE(rx1950_devices));
 806
 807         i2c_register_board_info(0, rx1950_i2c_devices,
 808                 ARRAY_SIZE(rx1950_i2c_devices));
 809 }
 810
 811 /* H1940 and RX3715 need to reserve this for suspend */
 812 static void __init rx1950_reserve(void)
 813 {
 814         memblock_reserve(0x30003000, 0x1000);
 815         memblock_reserve(0x30081000, 0x1000);
 816 }
 817
 818 MACHINE_START(RX1950, "HP iPAQ RX1950")
 819     /* Maintainers: Vasily Khoruzhick */
 820         .atag_offset = 0x100,
 821         .map_io = rx1950_map_io,
 822         .reserve        = rx1950_reserve,
 823         .init_irq       = s3c2442_init_irq,
 824         .init_machine = rx1950_init_machine,
 825         .init_time      = rx1950_init_time,
 826 MACHINE_END