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

   1 // SPDX-License-Identifier: GPL-2.0
   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 #include <linux/kernel.h>
   9 #include <linux/types.h>
  10 #include <linux/interrupt.h>
  11 #include <linux/list.h>
  12 #include <linux/memblock.h>
  13 #include <linux/delay.h>
  14 #include <linux/timer.h>
  15 #include <linux/init.h>
  16 #include <linux/gpio.h>
  17 #include <linux/platform_device.h>
  18 #include <linux/serial_core.h>
  19 #include <linux/serial_s3c.h>
  20 #include <linux/input.h>
  21 #include <linux/gpio_keys.h>
  22 #include <linux/device.h>
  23 #include <linux/pda_power.h>
  24 #include <linux/pwm_backlight.h>
  25 #include <linux/pwm.h>
  26 #include <linux/s3c_adc_battery.h>
  27 #include <linux/leds.h>
  28 #include <linux/i2c.h>
  29
  30 #include <linux/mtd/mtd.h>
  31 #include <linux/mtd/partitions.h>
  32
  33 #include <linux/mmc/host.h>
  34
  35 #include <asm/mach-types.h>
  36 #include <asm/mach/arch.h>
  37 #include <asm/mach/map.h>
  38
  39 #include <linux/platform_data/i2c-s3c2410.h>
  40 #include <linux/platform_data/mmc-s3cmci.h>
  41 #include <linux/platform_data/mtd-nand-s3c2410.h>
  42 #include <linux/platform_data/touchscreen-s3c2410.h>
  43 #include <linux/platform_data/usb-s3c2410_udc.h>
  44
  45 #include <sound/uda1380.h>
  46
  47 #include <mach/fb.h>
  48 #include <mach/regs-gpio.h>
  49 #include <mach/regs-lcd.h>
  50 #include <mach/gpio-samsung.h>
  51
  52 #include <plat/cpu.h>
  53 #include <plat/devs.h>
  54 #include <plat/pm.h>
  55 #include <plat/samsung-time.h>
  56 #include <plat/gpio-cfg.h>
  57
  58 #include "common.h"
  59 #include "h1940.h"
  60
  61 #define LCD_PWM_PERIOD 192960
  62 #define LCD_PWM_DUTY 127353
  63
  64 static struct map_desc rx1950_iodesc[] __initdata = {
  65 };
  66
  67 static struct s3c2410_uartcfg rx1950_uartcfgs[] __initdata = {
  68         [0] = {
  69                .hwport = 0,
  70                .flags = 0,
  71                .ucon = 0x3c5,
  72                .ulcon = 0x03,
  73                .ufcon = 0x51,
  74                 .clk_sel = S3C2410_UCON_CLKSEL3,
  75         },
  76         [1] = {
  77                .hwport = 1,
  78                .flags = 0,
  79                .ucon = 0x3c5,
  80                .ulcon = 0x03,
  81                .ufcon = 0x51,
  82                 .clk_sel = S3C2410_UCON_CLKSEL3,
  83         },
  84         /* IR port */
  85         [2] = {
  86                .hwport = 2,
  87                .flags = 0,
  88                .ucon = 0x3c5,
  89                .ulcon = 0x43,
  90                .ufcon = 0xf1,
  91                 .clk_sel = S3C2410_UCON_CLKSEL3,
  92         },
  93 };
  94
  95 static struct s3c2410fb_display rx1950_display = {
  96         .type = S3C2410_LCDCON1_TFT,
  97         .width = 240,
  98         .height = 320,
  99         .xres = 240,
 100         .yres = 320,
 101         .bpp = 16,
 102
 103         .pixclock = 260000,
 104         .left_margin = 10,
 105         .right_margin = 20,
 106         .hsync_len = 10,
 107         .upper_margin = 2,
 108         .lower_margin = 2,
 109         .vsync_len = 2,
 110
 111         .lcdcon5 = S3C2410_LCDCON5_FRM565 |
 112                            S3C2410_LCDCON5_INVVCLK |
 113                            S3C2410_LCDCON5_INVVLINE |
 114                            S3C2410_LCDCON5_INVVFRAME |
 115                            S3C2410_LCDCON5_HWSWP |
 116                            (0x02 << 13) |
 117                            (0x02 << 15),
 118
 119 };
 120
 121 static int power_supply_init(struct device *dev)
 122 {
 123         return gpio_request(S3C2410_GPF(2), "cable plugged");
 124 }
 125
 126 static int rx1950_is_ac_online(void)
 127 {
 128         return !gpio_get_value(S3C2410_GPF(2));
 129 }
 130
 131 static void power_supply_exit(struct device *dev)
 132 {
 133         gpio_free(S3C2410_GPF(2));
 134 }
 135
 136 static char *rx1950_supplicants[] = {
 137         "main-battery"
 138 };
 139
 140 static struct pda_power_pdata power_supply_info = {
 141         .init                   = power_supply_init,
 142         .is_ac_online           = rx1950_is_ac_online,
 143         .exit                   = power_supply_exit,
 144         .supplied_to            = rx1950_supplicants,
 145         .num_supplicants        = ARRAY_SIZE(rx1950_supplicants),
 146 };
 147
 148 static struct resource power_supply_resources[] = {
 149         [0] = DEFINE_RES_NAMED(IRQ_EINT2, 1, "ac", IORESOURCE_IRQ \
 150                         | IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE),
 151 };
 152
 153 static struct platform_device power_supply = {
 154         .name                   = "pda-power",
 155         .id                     = -1,
 156         .dev                    = {
 157                                         .platform_data =
 158                                                 &power_supply_info,
 159         },
 160         .resource               = power_supply_resources,
 161         .num_resources          = ARRAY_SIZE(power_supply_resources),
 162 };
 163
 164 static const struct s3c_adc_bat_thresh bat_lut_noac[] = {
 165         { .volt = 4100, .cur = 156, .level = 100},
 166         { .volt = 4050, .cur = 156, .level = 95},
 167         { .volt = 4025, .cur = 141, .level = 90},
 168         { .volt = 3995, .cur = 144, .level = 85},
 169         { .volt = 3957, .cur = 162, .level = 80},
 170         { .volt = 3931, .cur = 147, .level = 75},
 171         { .volt = 3902, .cur = 147, .level = 70},
 172         { .volt = 3863, .cur = 153, .level = 65},
 173         { .volt = 3838, .cur = 150, .level = 60},
 174         { .volt = 3800, .cur = 153, .level = 55},
 175         { .volt = 3765, .cur = 153, .level = 50},
 176         { .volt = 3748, .cur = 172, .level = 45},
 177         { .volt = 3740, .cur = 153, .level = 40},
 178         { .volt = 3714, .cur = 175, .level = 35},
 179         { .volt = 3710, .cur = 156, .level = 30},
 180         { .volt = 3963, .cur = 156, .level = 25},
 181         { .volt = 3672, .cur = 178, .level = 20},
 182         { .volt = 3651, .cur = 178, .level = 15},
 183         { .volt = 3629, .cur = 178, .level = 10},
 184         { .volt = 3612, .cur = 162, .level = 5},
 185         { .volt = 3605, .cur = 162, .level = 0},
 186 };
 187
 188 static const struct s3c_adc_bat_thresh bat_lut_acin[] = {
 189         { .volt = 4200, .cur = 0, .level = 100},
 190         { .volt = 4190, .cur = 0, .level = 99},
 191         { .volt = 4178, .cur = 0, .level = 95},
 192         { .volt = 4110, .cur = 0, .level = 70},
 193         { .volt = 4076, .cur = 0, .level = 65},
 194         { .volt = 4046, .cur = 0, .level = 60},
 195         { .volt = 4021, .cur = 0, .level = 55},
 196         { .volt = 3999, .cur = 0, .level = 50},
 197         { .volt = 3982, .cur = 0, .level = 45},
 198         { .volt = 3965, .cur = 0, .level = 40},
 199         { .volt = 3957, .cur = 0, .level = 35},
 200         { .volt = 3948, .cur = 0, .level = 30},
 201         { .volt = 3936, .cur = 0, .level = 25},
 202         { .volt = 3927, .cur = 0, .level = 20},
 203         { .volt = 3906, .cur = 0, .level = 15},
 204         { .volt = 3880, .cur = 0, .level = 10},
 205         { .volt = 3829, .cur = 0, .level = 5},
 206         { .volt = 3820, .cur = 0, .level = 0},
 207 };
 208
 209 static int rx1950_bat_init(void)
 210 {
 211         int ret;
 212
 213         ret = gpio_request(S3C2410_GPJ(2), "rx1950-charger-enable-1");
 214         if (ret)
 215                 goto err_gpio1;
 216         ret = gpio_request(S3C2410_GPJ(3), "rx1950-charger-enable-2");
 217         if (ret)
 218                 goto err_gpio2;
 219
 220         return 0;
 221
 222 err_gpio2:
 223         gpio_free(S3C2410_GPJ(2));
 224 err_gpio1:
 225         return ret;
 226 }
 227
 228 static void rx1950_bat_exit(void)
 229 {
 230         gpio_free(S3C2410_GPJ(2));
 231         gpio_free(S3C2410_GPJ(3));
 232 }
 233
 234 static void rx1950_enable_charger(void)
 235 {
 236         gpio_direction_output(S3C2410_GPJ(2), 1);
 237         gpio_direction_output(S3C2410_GPJ(3), 1);
 238 }
 239
 240 static void rx1950_disable_charger(void)
 241 {
 242         gpio_direction_output(S3C2410_GPJ(2), 0);
 243         gpio_direction_output(S3C2410_GPJ(3), 0);
 244 }
 245
 246 static DEFINE_SPINLOCK(rx1950_blink_spin);
 247
 248 static int rx1950_led_blink_set(struct gpio_desc *desc, int state,
 249         unsigned long *delay_on, unsigned long *delay_off)
 250 {
 251         int gpio = desc_to_gpio(desc);
 252         int blink_gpio, check_gpio;
 253
 254         switch (gpio) {
 255         case S3C2410_GPA(6):
 256                 blink_gpio = S3C2410_GPA(4);
 257                 check_gpio = S3C2410_GPA(3);
 258                 break;
 259         case S3C2410_GPA(7):
 260                 blink_gpio = S3C2410_GPA(3);
 261                 check_gpio = S3C2410_GPA(4);
 262                 break;
 263         default:
 264                 return -EINVAL;
 265                 break;
 266         }
 267
 268         if (delay_on && delay_off && !*delay_on && !*delay_off)
 269                 *delay_on = *delay_off = 500;
 270
 271         spin_lock(&rx1950_blink_spin);
 272
 273         switch (state) {
 274         case GPIO_LED_NO_BLINK_LOW:
 275         case GPIO_LED_NO_BLINK_HIGH:
 276                 if (!gpio_get_value(check_gpio))
 277                         gpio_set_value(S3C2410_GPJ(6), 0);
 278                 gpio_set_value(blink_gpio, 0);
 279                 gpio_set_value(gpio, state);
 280                 break;
 281         case GPIO_LED_BLINK:
 282                 gpio_set_value(gpio, 0);
 283                 gpio_set_value(S3C2410_GPJ(6), 1);
 284                 gpio_set_value(blink_gpio, 1);
 285                 break;
 286         }
 287
 288         spin_unlock(&rx1950_blink_spin);
 289
 290         return 0;
 291 }
 292
 293 static struct gpio_led rx1950_leds_desc[] = {
 294         {
 295                 .name                   = "Green",
 296                 .default_trigger        = "main-battery-full",
 297                 .gpio                   = S3C2410_GPA(6),
 298                 .retain_state_suspended = 1,
 299         },
 300         {
 301                 .name                   = "Red",
 302                 .default_trigger
 303                         = "main-battery-charging-blink-full-solid",
 304                 .gpio                   = S3C2410_GPA(7),
 305                 .retain_state_suspended = 1,
 306         },
 307         {
 308                 .name                   = "Blue",
 309                 .default_trigger        = "rx1950-acx-mem",
 310                 .gpio                   = S3C2410_GPA(11),
 311                 .retain_state_suspended = 1,
 312         },
 313 };
 314
 315 static struct gpio_led_platform_data rx1950_leds_pdata = {
 316         .num_leds       = ARRAY_SIZE(rx1950_leds_desc),
 317         .leds           = rx1950_leds_desc,
 318         .gpio_blink_set = rx1950_led_blink_set,
 319 };
 320
 321 static struct platform_device rx1950_leds = {
 322         .name   = "leds-gpio",
 323         .id             = -1,
 324         .dev    = {
 325                                 .platform_data = &rx1950_leds_pdata,
 326         },
 327 };
 328
 329 static struct s3c_adc_bat_pdata rx1950_bat_cfg = {
 330         .init = rx1950_bat_init,
 331         .exit = rx1950_bat_exit,
 332         .enable_charger = rx1950_enable_charger,
 333         .disable_charger = rx1950_disable_charger,
 334         .gpio_charge_finished = S3C2410_GPF(3),
 335         .lut_noac = bat_lut_noac,
 336         .lut_noac_cnt = ARRAY_SIZE(bat_lut_noac),
 337         .lut_acin = bat_lut_acin,
 338         .lut_acin_cnt = ARRAY_SIZE(bat_lut_acin),
 339         .volt_channel = 0,
 340         .current_channel = 1,
 341         .volt_mult = 4235,
 342         .current_mult = 2900,
 343         .internal_impedance = 200,
 344 };
 345
 346 static struct platform_device rx1950_battery = {
 347         .name             = "s3c-adc-battery",
 348         .id               = -1,
 349         .dev = {
 350                 .parent = &s3c_device_adc.dev,
 351                 .platform_data = &rx1950_bat_cfg,
 352         },
 353 };
 354
 355 static struct s3c2410fb_mach_info rx1950_lcd_cfg = {
 356         .displays = &rx1950_display,
 357         .num_displays = 1,
 358         .default_display = 0,
 359
 360         .lpcsel = 0x02,
 361         .gpccon = 0xaa9556a9,
 362         .gpccon_mask = 0xffc003fc,
 363         .gpcup = 0x0000ffff,
 364         .gpcup_mask = 0xffffffff,
 365
 366         .gpdcon = 0xaa90aaa1,
 367         .gpdcon_mask = 0xffc0fff0,
 368         .gpdup = 0x0000fcfd,
 369         .gpdup_mask = 0xffffffff,
 370
 371 };
 372
 373 static struct pwm_lookup rx1950_pwm_lookup[] = {
 374         PWM_LOOKUP("samsung-pwm", 0, "pwm-backlight.0", NULL, 48000,
 375                    PWM_POLARITY_NORMAL),
 376 };
 377
 378 static struct pwm_device *lcd_pwm;
 379
 380 static void rx1950_lcd_power(int enable)
 381 {
 382         int i;
 383         static int enabled;
 384         if (enabled == enable)
 385                 return;
 386         if (!enable) {
 387
 388                 /* GPC11-GPC15->OUTPUT */
 389                 for (i = 11; i < 16; i++)
 390                         gpio_direction_output(S3C2410_GPC(i), 1);
 391
 392                 /* Wait a bit here... */
 393                 mdelay(100);
 394
 395                 /* GPD2-GPD7->OUTPUT */
 396                 /* GPD11-GPD15->OUTPUT */
 397                 /* GPD2-GPD7->1, GPD11-GPD15->1 */
 398                 for (i = 2; i < 8; i++)
 399                         gpio_direction_output(S3C2410_GPD(i), 1);
 400                 for (i = 11; i < 16; i++)
 401                         gpio_direction_output(S3C2410_GPD(i), 1);
 402
 403                 /* Wait a bit here...*/
 404                 mdelay(100);
 405
 406                 /* GPB0->OUTPUT, GPB0->0 */
 407                 gpio_direction_output(S3C2410_GPB(0), 0);
 408
 409                 /* GPC1-GPC4->OUTPUT, GPC1-4->0 */
 410                 for (i = 1; i < 5; i++)
 411                         gpio_direction_output(S3C2410_GPC(i), 0);
 412
 413                 /* GPC15-GPC11->0 */
 414                 for (i = 11; i < 16; i++)
 415                         gpio_direction_output(S3C2410_GPC(i), 0);
 416
 417                 /* GPD15-GPD11->0, GPD2->GPD7->0 */
 418                 for (i = 11; i < 16; i++)
 419                         gpio_direction_output(S3C2410_GPD(i), 0);
 420
 421                 for (i = 2; i < 8; i++)
 422                         gpio_direction_output(S3C2410_GPD(i), 0);
 423
 424                 /* GPC6->0, GPC7->0, GPC5->0 */
 425                 gpio_direction_output(S3C2410_GPC(6), 0);
 426                 gpio_direction_output(S3C2410_GPC(7), 0);
 427                 gpio_direction_output(S3C2410_GPC(5), 0);
 428
 429                 /* GPB1->OUTPUT, GPB1->0 */
 430                 gpio_direction_output(S3C2410_GPB(1), 0);
 431                 pwm_config(lcd_pwm, 0, LCD_PWM_PERIOD);
 432                 pwm_disable(lcd_pwm);
 433
 434                 /* GPC0->0, GPC10->0 */
 435                 gpio_direction_output(S3C2410_GPC(0), 0);
 436                 gpio_direction_output(S3C2410_GPC(10), 0);
 437         } else {
 438                 pwm_config(lcd_pwm, LCD_PWM_DUTY, LCD_PWM_PERIOD);
 439                 pwm_enable(lcd_pwm);
 440
 441                 gpio_direction_output(S3C2410_GPC(0), 1);
 442                 gpio_direction_output(S3C2410_GPC(5), 1);
 443
 444                 s3c_gpio_cfgpin(S3C2410_GPB(1), S3C2410_GPB1_TOUT1);
 445                 gpio_direction_output(S3C2410_GPC(7), 1);
 446
 447                 for (i = 1; i < 5; i++)
 448                         s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));
 449
 450                 for (i = 11; i < 16; i++)
 451                         s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));
 452
 453                 for (i = 2; i < 8; i++)
 454                         s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));
 455
 456                 for (i = 11; i < 16; i++)
 457                         s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));
 458
 459                 gpio_direction_output(S3C2410_GPC(10), 1);
 460                 gpio_direction_output(S3C2410_GPC(6), 1);
 461         }
 462         enabled = enable;
 463 }
 464
 465 static void rx1950_bl_power(int enable)
 466 {
 467         static int enabled;
 468         if (enabled == enable)
 469                 return;
 470         if (!enable) {
 471                         gpio_direction_output(S3C2410_GPB(0), 0);
 472         } else {
 473                         /* LED driver need a "push" to power on */
 474                         gpio_direction_output(S3C2410_GPB(0), 1);
 475                         /* Warm up backlight for one period of PWM.
 476                          * Without this trick its almost impossible to
 477                          * enable backlight with low brightness value
 478                          */
 479                         ndelay(48000);
 480                         s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
 481         }
 482         enabled = enable;
 483 }
 484
 485 static int rx1950_backlight_init(struct device *dev)
 486 {
 487         WARN_ON(gpio_request(S3C2410_GPB(0), "Backlight"));
 488         lcd_pwm = pwm_request(1, "RX1950 LCD");
 489         if (IS_ERR(lcd_pwm)) {
 490                 dev_err(dev, "Unable to request PWM for LCD power!\n");
 491                 return PTR_ERR(lcd_pwm);
 492         }
 493
 494         /*
 495          * FIXME: pwm_apply_args() should be removed when switching to
 496          * the atomic PWM API.
 497          */
 498         pwm_apply_args(lcd_pwm);
 499
 500         rx1950_lcd_power(1);
 501         rx1950_bl_power(1);
 502
 503         return 0;
 504 }
 505
 506 static void rx1950_backlight_exit(struct device *dev)
 507 {
 508         rx1950_bl_power(0);
 509         rx1950_lcd_power(0);
 510
 511         pwm_free(lcd_pwm);
 512         gpio_free(S3C2410_GPB(0));
 513 }
 514
 515
 516 static int rx1950_backlight_notify(struct device *dev, int brightness)
 517 {
 518         if (!brightness) {
 519                 rx1950_bl_power(0);
 520                 rx1950_lcd_power(0);
 521         } else {
 522                 rx1950_lcd_power(1);
 523                 rx1950_bl_power(1);
 524         }
 525         return brightness;
 526 }
 527
 528 static struct platform_pwm_backlight_data rx1950_backlight_data = {
 529         .max_brightness = 24,
 530         .dft_brightness = 4,
 531         .enable_gpio = -1,
 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 = &samsung_device_pwm.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         .ecc_mode = NAND_ECC_SOFT,
 610 };
 611
 612 static struct s3c2410_udc_mach_info rx1950_udc_cfg __initdata = {
 613         .vbus_pin = S3C2410_GPG(5),
 614         .vbus_pin_inverted = 1,
 615         .pullup_pin = S3C2410_GPJ(5),
 616 };
 617
 618 static struct s3c2410_ts_mach_info rx1950_ts_cfg __initdata = {
 619         .delay = 10000,
 620         .presc = 49,
 621         .oversampling_shift = 3,
 622 };
 623
 624 static struct gpio_keys_button rx1950_gpio_keys_table[] = {
 625         {
 626                 .code           = KEY_POWER,
 627                 .gpio           = S3C2410_GPF(0),
 628                 .active_low     = 1,
 629                 .desc           = "Power button",
 630                 .wakeup         = 1,
 631         },
 632         {
 633                 .code           = KEY_F5,
 634                 .gpio           = S3C2410_GPF(7),
 635                 .active_low     = 1,
 636                 .desc           = "Record button",
 637         },
 638         {
 639                 .code           = KEY_F1,
 640                 .gpio           = S3C2410_GPG(0),
 641                 .active_low     = 1,
 642                 .desc           = "Calendar button",
 643         },
 644         {
 645                 .code           = KEY_F2,
 646                 .gpio           = S3C2410_GPG(2),
 647                 .active_low     = 1,
 648                 .desc           = "Contacts button",
 649         },
 650         {
 651                 .code           = KEY_F3,
 652                 .gpio           = S3C2410_GPG(3),
 653                 .active_low     = 1,
 654                 .desc           = "Mail button",
 655         },
 656         {
 657                 .code           = KEY_F4,
 658                 .gpio           = S3C2410_GPG(7),
 659                 .active_low     = 1,
 660                 .desc           = "WLAN button",
 661         },
 662         {
 663                 .code           = KEY_LEFT,
 664                 .gpio           = S3C2410_GPG(10),
 665                 .active_low     = 1,
 666                 .desc           = "Left button",
 667         },
 668         {
 669                 .code           = KEY_RIGHT,
 670                 .gpio           = S3C2410_GPG(11),
 671                 .active_low     = 1,
 672                 .desc           = "Right button",
 673         },
 674         {
 675                 .code           = KEY_UP,
 676                 .gpio           = S3C2410_GPG(4),
 677                 .active_low     = 1,
 678                 .desc           = "Up button",
 679         },
 680         {
 681                 .code           = KEY_DOWN,
 682                 .gpio           = S3C2410_GPG(6),
 683                 .active_low     = 1,
 684                 .desc           = "Down button",
 685         },
 686         {
 687                 .code           = KEY_ENTER,
 688                 .gpio           = S3C2410_GPG(9),
 689                 .active_low     = 1,
 690                 .desc           = "Ok button"
 691         },
 692 };
 693
 694 static struct gpio_keys_platform_data rx1950_gpio_keys_data = {
 695         .buttons = rx1950_gpio_keys_table,
 696         .nbuttons = ARRAY_SIZE(rx1950_gpio_keys_table),
 697 };
 698
 699 static struct platform_device rx1950_device_gpiokeys = {
 700         .name = "gpio-keys",
 701         .dev.platform_data = &rx1950_gpio_keys_data,
 702 };
 703
 704 static struct uda1380_platform_data uda1380_info = {
 705         .gpio_power     = S3C2410_GPJ(0),
 706         .gpio_reset     = S3C2410_GPD(0),
 707         .dac_clk        = UDA1380_DAC_CLK_SYSCLK,
 708 };
 709
 710 static struct i2c_board_info rx1950_i2c_devices[] = {
 711         {
 712                 I2C_BOARD_INFO("uda1380", 0x1a),
 713                 .platform_data = &uda1380_info,
 714         },
 715 };
 716
 717 static struct platform_device *rx1950_devices[] __initdata = {
 718         &s3c2410_device_dclk,
 719         &s3c_device_lcd,
 720         &s3c_device_wdt,
 721         &s3c_device_i2c0,
 722         &s3c_device_iis,
 723         &s3c_device_usbgadget,
 724         &s3c_device_rtc,
 725         &s3c_device_nand,
 726         &s3c_device_sdi,
 727         &s3c_device_adc,
 728         &s3c_device_ts,
 729         &samsung_device_pwm,
 730         &rx1950_backlight,
 731         &rx1950_device_gpiokeys,
 732         &power_supply,
 733         &rx1950_battery,
 734         &rx1950_leds,
 735 };
 736
 737 static void __init rx1950_map_io(void)
 738 {
 739         s3c24xx_init_io(rx1950_iodesc, ARRAY_SIZE(rx1950_iodesc));
 740         s3c24xx_init_uarts(rx1950_uartcfgs, ARRAY_SIZE(rx1950_uartcfgs));
 741         samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
 742
 743         /* setup PM */
 744
 745 #ifdef CONFIG_PM_H1940
 746         memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 8);
 747 #endif
 748
 749         s3c_pm_init();
 750 }
 751
 752 static void __init rx1950_init_time(void)
 753 {
 754         s3c2442_init_clocks(16934000);
 755         samsung_timer_init();
 756 }
 757
 758 static void __init rx1950_init_machine(void)
 759 {
 760         int i;
 761
 762         s3c24xx_fb_set_platdata(&rx1950_lcd_cfg);
 763         s3c24xx_udc_set_platdata(&rx1950_udc_cfg);
 764         s3c24xx_ts_set_platdata(&rx1950_ts_cfg);
 765         s3c24xx_mci_set_platdata(&rx1950_mmc_cfg);
 766         s3c_i2c0_set_platdata(NULL);
 767         s3c_nand_set_platdata(&rx1950_nand_info);
 768
 769         /* Turn off suspend on both USB ports, and switch the
 770          * selectable USB port to USB device mode. */
 771         s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
 772                                                 S3C2410_MISCCR_USBSUSPND0 |
 773                                                 S3C2410_MISCCR_USBSUSPND1, 0x0);
 774
 775         /* mmc power is disabled by default */
 776         WARN_ON(gpio_request(S3C2410_GPJ(1), "MMC power"));
 777         gpio_direction_output(S3C2410_GPJ(1), 0);
 778
 779         for (i = 0; i < 8; i++)
 780                 WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
 781
 782         for (i = 10; i < 16; i++)
 783                 WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
 784
 785         for (i = 2; i < 8; i++)
 786                 WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
 787
 788         for (i = 11; i < 16; i++)
 789                 WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
 790
 791         WARN_ON(gpio_request(S3C2410_GPB(1), "LCD power"));
 792
 793         WARN_ON(gpio_request(S3C2410_GPA(3), "Red blink"));
 794         WARN_ON(gpio_request(S3C2410_GPA(4), "Green blink"));
 795         WARN_ON(gpio_request(S3C2410_GPJ(6), "LED blink"));
 796         gpio_direction_output(S3C2410_GPA(3), 0);
 797         gpio_direction_output(S3C2410_GPA(4), 0);
 798         gpio_direction_output(S3C2410_GPJ(6), 0);
 799
 800         pwm_add_table(rx1950_pwm_lookup, ARRAY_SIZE(rx1950_pwm_lookup));
 801         platform_add_devices(rx1950_devices, ARRAY_SIZE(rx1950_devices));
 802
 803         i2c_register_board_info(0, rx1950_i2c_devices,
 804                 ARRAY_SIZE(rx1950_i2c_devices));
 805 }
 806
 807 /* H1940 and RX3715 need to reserve this for suspend */
 808 static void __init rx1950_reserve(void)
 809 {
 810         memblock_reserve(0x30003000, 0x1000);
 811         memblock_reserve(0x30081000, 0x1000);
 812 }
 813
 814 MACHINE_START(RX1950, "HP iPAQ RX1950")
 815     /* Maintainers: Vasily Khoruzhick */
 816         .atag_offset = 0x100,
 817         .map_io = rx1950_map_io,
 818         .reserve        = rx1950_reserve,
 819         .init_irq       = s3c2442_init_irq,
 820         .init_machine = rx1950_init_machine,
 821         .init_time      = rx1950_init_time,
 822 MACHINE_END