linux/arch/arm/mach-s3c24xx/mach-rx1950.c
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   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/input.h>
  25#include <linux/gpio_keys.h>
  26#include <linux/device.h>
  27#include <linux/pda_power.h>
  28#include <linux/pwm_backlight.h>
  29#include <linux/pwm.h>
  30#include <linux/s3c_adc_battery.h>
  31#include <linux/leds.h>
  32#include <linux/i2c.h>
  33
  34#include <linux/mtd/mtd.h>
  35#include <linux/mtd/partitions.h>
  36
  37#include <linux/mmc/host.h>
  38
  39#include <asm/mach-types.h>
  40#include <asm/mach/arch.h>
  41#include <asm/mach/map.h>
  42
  43#include <linux/platform_data/i2c-s3c2410.h>
  44#include <linux/platform_data/mmc-s3cmci.h>
  45#include <linux/platform_data/mtd-nand-s3c2410.h>
  46#include <linux/platform_data/touchscreen-s3c2410.h>
  47#include <linux/platform_data/usb-s3c2410_udc.h>
  48
  49#include <sound/uda1380.h>
  50
  51#include <mach/fb.h>
  52#include <mach/regs-gpio.h>
  53#include <mach/regs-lcd.h>
  54
  55#include <plat/clock.h>
  56#include <plat/cpu.h>
  57#include <plat/devs.h>
  58#include <plat/pm.h>
  59#include <plat/regs-serial.h>
  60#include <plat/samsung-time.h>
  61
  62#include "common.h"
  63#include "h1940.h"
  64
  65#define LCD_PWM_PERIOD 192960
  66#define LCD_PWM_DUTY 127353
  67
  68static struct map_desc rx1950_iodesc[] __initdata = {
  69};
  70
  71static struct s3c2410_uartcfg rx1950_uartcfgs[] __initdata = {
  72        [0] = {
  73               .hwport = 0,
  74               .flags = 0,
  75               .ucon = 0x3c5,
  76               .ulcon = 0x03,
  77               .ufcon = 0x51,
  78                .clk_sel = S3C2410_UCON_CLKSEL3,
  79        },
  80        [1] = {
  81               .hwport = 1,
  82               .flags = 0,
  83               .ucon = 0x3c5,
  84               .ulcon = 0x03,
  85               .ufcon = 0x51,
  86                .clk_sel = S3C2410_UCON_CLKSEL3,
  87        },
  88        /* IR port */
  89        [2] = {
  90               .hwport = 2,
  91               .flags = 0,
  92               .ucon = 0x3c5,
  93               .ulcon = 0x43,
  94               .ufcon = 0xf1,
  95                .clk_sel = S3C2410_UCON_CLKSEL3,
  96        },
  97};
  98
  99static struct s3c2410fb_display rx1950_display = {
 100        .type = S3C2410_LCDCON1_TFT,
 101        .width = 240,
 102        .height = 320,
 103        .xres = 240,
 104        .yres = 320,
 105        .bpp = 16,
 106
 107        .pixclock = 260000,
 108        .left_margin = 10,
 109        .right_margin = 20,
 110        .hsync_len = 10,
 111        .upper_margin = 2,
 112        .lower_margin = 2,
 113        .vsync_len = 2,
 114
 115        .lcdcon5 = S3C2410_LCDCON5_FRM565 |
 116                           S3C2410_LCDCON5_INVVCLK |
 117                           S3C2410_LCDCON5_INVVLINE |
 118                           S3C2410_LCDCON5_INVVFRAME |
 119                           S3C2410_LCDCON5_HWSWP |
 120                           (0x02 << 13) |
 121                           (0x02 << 15),
 122
 123};
 124
 125static int power_supply_init(struct device *dev)
 126{
 127        return gpio_request(S3C2410_GPF(2), "cable plugged");
 128}
 129
 130static int rx1950_is_ac_online(void)
 131{
 132        return !gpio_get_value(S3C2410_GPF(2));
 133}
 134
 135static void power_supply_exit(struct device *dev)
 136{
 137        gpio_free(S3C2410_GPF(2));
 138}
 139
 140static char *rx1950_supplicants[] = {
 141        "main-battery"
 142};
 143
 144static struct pda_power_pdata power_supply_info = {
 145        .init                   = power_supply_init,
 146        .is_ac_online           = rx1950_is_ac_online,
 147        .exit                   = power_supply_exit,
 148        .supplied_to            = rx1950_supplicants,
 149        .num_supplicants        = ARRAY_SIZE(rx1950_supplicants),
 150};
 151
 152static struct resource power_supply_resources[] = {
 153        [0] = DEFINE_RES_NAMED(IRQ_EINT2, 1, "ac", IORESOURCE_IRQ \
 154                        | IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE),
 155};
 156
 157static struct platform_device power_supply = {
 158        .name                   = "pda-power",
 159        .id                     = -1,
 160        .dev                    = {
 161                                        .platform_data =
 162                                                &power_supply_info,
 163        },
 164        .resource               = power_supply_resources,
 165        .num_resources          = ARRAY_SIZE(power_supply_resources),
 166};
 167
 168static const struct s3c_adc_bat_thresh bat_lut_noac[] = {
 169        { .volt = 4100, .cur = 156, .level = 100},
 170        { .volt = 4050, .cur = 156, .level = 95},
 171        { .volt = 4025, .cur = 141, .level = 90},
 172        { .volt = 3995, .cur = 144, .level = 85},
 173        { .volt = 3957, .cur = 162, .level = 80},
 174        { .volt = 3931, .cur = 147, .level = 75},
 175        { .volt = 3902, .cur = 147, .level = 70},
 176        { .volt = 3863, .cur = 153, .level = 65},
 177        { .volt = 3838, .cur = 150, .level = 60},
 178        { .volt = 3800, .cur = 153, .level = 55},
 179        { .volt = 3765, .cur = 153, .level = 50},
 180        { .volt = 3748, .cur = 172, .level = 45},
 181        { .volt = 3740, .cur = 153, .level = 40},
 182        { .volt = 3714, .cur = 175, .level = 35},
 183        { .volt = 3710, .cur = 156, .level = 30},
 184        { .volt = 3963, .cur = 156, .level = 25},
 185        { .volt = 3672, .cur = 178, .level = 20},
 186        { .volt = 3651, .cur = 178, .level = 15},
 187        { .volt = 3629, .cur = 178, .level = 10},
 188        { .volt = 3612, .cur = 162, .level = 5},
 189        { .volt = 3605, .cur = 162, .level = 0},
 190};
 191
 192static const struct s3c_adc_bat_thresh bat_lut_acin[] = {
 193        { .volt = 4200, .cur = 0, .level = 100},
 194        { .volt = 4190, .cur = 0, .level = 99},
 195        { .volt = 4178, .cur = 0, .level = 95},
 196        { .volt = 4110, .cur = 0, .level = 70},
 197        { .volt = 4076, .cur = 0, .level = 65},
 198        { .volt = 4046, .cur = 0, .level = 60},
 199        { .volt = 4021, .cur = 0, .level = 55},
 200        { .volt = 3999, .cur = 0, .level = 50},
 201        { .volt = 3982, .cur = 0, .level = 45},
 202        { .volt = 3965, .cur = 0, .level = 40},
 203        { .volt = 3957, .cur = 0, .level = 35},
 204        { .volt = 3948, .cur = 0, .level = 30},
 205        { .volt = 3936, .cur = 0, .level = 25},
 206        { .volt = 3927, .cur = 0, .level = 20},
 207        { .volt = 3906, .cur = 0, .level = 15},
 208        { .volt = 3880, .cur = 0, .level = 10},
 209        { .volt = 3829, .cur = 0, .level = 5},
 210        { .volt = 3820, .cur = 0, .level = 0},
 211};
 212
 213static int rx1950_bat_init(void)
 214{
 215        int ret;
 216
 217        ret = gpio_request(S3C2410_GPJ(2), "rx1950-charger-enable-1");
 218        if (ret)
 219                goto err_gpio1;
 220        ret = gpio_request(S3C2410_GPJ(3), "rx1950-charger-enable-2");
 221        if (ret)
 222                goto err_gpio2;
 223
 224        return 0;
 225
 226err_gpio2:
 227        gpio_free(S3C2410_GPJ(2));
 228err_gpio1:
 229        return ret;
 230}
 231
 232static void rx1950_bat_exit(void)
 233{
 234        gpio_free(S3C2410_GPJ(2));
 235        gpio_free(S3C2410_GPJ(3));
 236}
 237
 238static void rx1950_enable_charger(void)
 239{
 240        gpio_direction_output(S3C2410_GPJ(2), 1);
 241        gpio_direction_output(S3C2410_GPJ(3), 1);
 242}
 243
 244static void rx1950_disable_charger(void)
 245{
 246        gpio_direction_output(S3C2410_GPJ(2), 0);
 247        gpio_direction_output(S3C2410_GPJ(3), 0);
 248}
 249
 250static DEFINE_SPINLOCK(rx1950_blink_spin);
 251
 252static int rx1950_led_blink_set(unsigned gpio, int state,
 253        unsigned long *delay_on, unsigned long *delay_off)
 254{
 255        int blink_gpio, check_gpio;
 256
 257        switch (gpio) {
 258        case S3C2410_GPA(6):
 259                blink_gpio = S3C2410_GPA(4);
 260                check_gpio = S3C2410_GPA(3);
 261                break;
 262        case S3C2410_GPA(7):
 263                blink_gpio = S3C2410_GPA(3);
 264                check_gpio = S3C2410_GPA(4);
 265                break;
 266        default:
 267                return -EINVAL;
 268                break;
 269        }
 270
 271        if (delay_on && delay_off && !*delay_on && !*delay_off)
 272                *delay_on = *delay_off = 500;
 273
 274        spin_lock(&rx1950_blink_spin);
 275
 276        switch (state) {
 277        case GPIO_LED_NO_BLINK_LOW:
 278        case GPIO_LED_NO_BLINK_HIGH:
 279                if (!gpio_get_value(check_gpio))
 280                        gpio_set_value(S3C2410_GPJ(6), 0);
 281                gpio_set_value(blink_gpio, 0);
 282                gpio_set_value(gpio, state);
 283                break;
 284        case GPIO_LED_BLINK:
 285                gpio_set_value(gpio, 0);
 286                gpio_set_value(S3C2410_GPJ(6), 1);
 287                gpio_set_value(blink_gpio, 1);
 288                break;
 289        }
 290
 291        spin_unlock(&rx1950_blink_spin);
 292
 293        return 0;
 294}
 295
 296static struct gpio_led rx1950_leds_desc[] = {
 297        {
 298                .name                   = "Green",
 299                .default_trigger        = "main-battery-full",
 300                .gpio                   = S3C2410_GPA(6),
 301                .retain_state_suspended = 1,
 302        },
 303        {
 304                .name                   = "Red",
 305                .default_trigger
 306                        = "main-battery-charging-blink-full-solid",
 307                .gpio                   = S3C2410_GPA(7),
 308                .retain_state_suspended = 1,
 309        },
 310        {
 311                .name                   = "Blue",
 312                .default_trigger        = "rx1950-acx-mem",
 313                .gpio                   = S3C2410_GPA(11),
 314                .retain_state_suspended = 1,
 315        },
 316};
 317
 318static struct gpio_led_platform_data rx1950_leds_pdata = {
 319        .num_leds       = ARRAY_SIZE(rx1950_leds_desc),
 320        .leds           = rx1950_leds_desc,
 321        .gpio_blink_set = rx1950_led_blink_set,
 322};
 323
 324static struct platform_device rx1950_leds = {
 325        .name   = "leds-gpio",
 326        .id             = -1,
 327        .dev    = {
 328                                .platform_data = &rx1950_leds_pdata,
 329        },
 330};
 331
 332static struct s3c_adc_bat_pdata rx1950_bat_cfg = {
 333        .init = rx1950_bat_init,
 334        .exit = rx1950_bat_exit,
 335        .enable_charger = rx1950_enable_charger,
 336        .disable_charger = rx1950_disable_charger,
 337        .gpio_charge_finished = S3C2410_GPF(3),
 338        .lut_noac = bat_lut_noac,
 339        .lut_noac_cnt = ARRAY_SIZE(bat_lut_noac),
 340        .lut_acin = bat_lut_acin,
 341        .lut_acin_cnt = ARRAY_SIZE(bat_lut_acin),
 342        .volt_channel = 0,
 343        .current_channel = 1,
 344        .volt_mult = 4235,
 345        .current_mult = 2900,
 346        .internal_impedance = 200,
 347};
 348
 349static struct platform_device rx1950_battery = {
 350        .name             = "s3c-adc-battery",
 351        .id               = -1,
 352        .dev = {
 353                .parent = &s3c_device_adc.dev,
 354                .platform_data = &rx1950_bat_cfg,
 355        },
 356};
 357
 358static struct s3c2410fb_mach_info rx1950_lcd_cfg = {
 359        .displays = &rx1950_display,
 360        .num_displays = 1,
 361        .default_display = 0,
 362
 363        .lpcsel = 0x02,
 364        .gpccon = 0xaa9556a9,
 365        .gpccon_mask = 0xffc003fc,
 366        .gpcup = 0x0000ffff,
 367        .gpcup_mask = 0xffffffff,
 368
 369        .gpdcon = 0xaa90aaa1,
 370        .gpdcon_mask = 0xffc0fff0,
 371        .gpdup = 0x0000fcfd,
 372        .gpdup_mask = 0xffffffff,
 373
 374};
 375
 376static struct pwm_device *lcd_pwm;
 377
 378static void rx1950_lcd_power(int enable)
 379{
 380        int i;
 381        static int enabled;
 382        if (enabled == enable)
 383                return;
 384        if (!enable) {
 385
 386                /* GPC11-GPC15->OUTPUT */
 387                for (i = 11; i < 16; i++)
 388                        gpio_direction_output(S3C2410_GPC(i), 1);
 389
 390                /* Wait a bit here... */
 391                mdelay(100);
 392
 393                /* GPD2-GPD7->OUTPUT */
 394                /* GPD11-GPD15->OUTPUT */
 395                /* GPD2-GPD7->1, GPD11-GPD15->1 */
 396                for (i = 2; i < 8; i++)
 397                        gpio_direction_output(S3C2410_GPD(i), 1);
 398                for (i = 11; i < 16; i++)
 399                        gpio_direction_output(S3C2410_GPD(i), 1);
 400
 401                /* Wait a bit here...*/
 402                mdelay(100);
 403
 404                /* GPB0->OUTPUT, GPB0->0 */
 405                gpio_direction_output(S3C2410_GPB(0), 0);
 406
 407                /* GPC1-GPC4->OUTPUT, GPC1-4->0 */
 408                for (i = 1; i < 5; i++)
 409                        gpio_direction_output(S3C2410_GPC(i), 0);
 410
 411                /* GPC15-GPC11->0 */
 412                for (i = 11; i < 16; i++)
 413                        gpio_direction_output(S3C2410_GPC(i), 0);
 414
 415                /* GPD15-GPD11->0, GPD2->GPD7->0 */
 416                for (i = 11; i < 16; i++)
 417                        gpio_direction_output(S3C2410_GPD(i), 0);
 418
 419                for (i = 2; i < 8; i++)
 420                        gpio_direction_output(S3C2410_GPD(i), 0);
 421
 422                /* GPC6->0, GPC7->0, GPC5->0 */
 423                gpio_direction_output(S3C2410_GPC(6), 0);
 424                gpio_direction_output(S3C2410_GPC(7), 0);
 425                gpio_direction_output(S3C2410_GPC(5), 0);
 426
 427                /* GPB1->OUTPUT, GPB1->0 */
 428                gpio_direction_output(S3C2410_GPB(1), 0);
 429                pwm_config(lcd_pwm, 0, LCD_PWM_PERIOD);
 430                pwm_disable(lcd_pwm);
 431
 432                /* GPC0->0, GPC10->0 */
 433                gpio_direction_output(S3C2410_GPC(0), 0);
 434                gpio_direction_output(S3C2410_GPC(10), 0);
 435        } else {
 436                pwm_config(lcd_pwm, LCD_PWM_DUTY, LCD_PWM_PERIOD);
 437                pwm_enable(lcd_pwm);
 438
 439                gpio_direction_output(S3C2410_GPC(0), 1);
 440                gpio_direction_output(S3C2410_GPC(5), 1);
 441
 442                s3c_gpio_cfgpin(S3C2410_GPB(1), S3C2410_GPB1_TOUT1);
 443                gpio_direction_output(S3C2410_GPC(7), 1);
 444
 445                for (i = 1; i < 5; i++)
 446                        s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));
 447
 448                for (i = 11; i < 16; i++)
 449                        s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));
 450
 451                for (i = 2; i < 8; i++)
 452                        s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));
 453
 454                for (i = 11; i < 16; i++)
 455                        s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));
 456
 457                gpio_direction_output(S3C2410_GPC(10), 1);
 458                gpio_direction_output(S3C2410_GPC(6), 1);
 459        }
 460        enabled = enable;
 461}
 462
 463static void rx1950_bl_power(int enable)
 464{
 465        static int enabled;
 466        if (enabled == enable)
 467                return;
 468        if (!enable) {
 469                        gpio_direction_output(S3C2410_GPB(0), 0);
 470        } else {
 471                        /* LED driver need a "push" to power on */
 472                        gpio_direction_output(S3C2410_GPB(0), 1);
 473                        /* Warm up backlight for one period of PWM.
 474                         * Without this trick its almost impossible to
 475                         * enable backlight with low brightness value
 476                         */
 477                        ndelay(48000);
 478                        s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
 479        }
 480        enabled = enable;
 481}
 482
 483static int rx1950_backlight_init(struct device *dev)
 484{
 485        WARN_ON(gpio_request(S3C2410_GPB(0), "Backlight"));
 486        lcd_pwm = pwm_request(1, "RX1950 LCD");
 487        if (IS_ERR(lcd_pwm)) {
 488                dev_err(dev, "Unable to request PWM for LCD power!\n");
 489                return PTR_ERR(lcd_pwm);
 490        }
 491
 492        rx1950_lcd_power(1);
 493        rx1950_bl_power(1);
 494
 495        return 0;
 496}
 497
 498static void rx1950_backlight_exit(struct device *dev)
 499{
 500        rx1950_bl_power(0);
 501        rx1950_lcd_power(0);
 502
 503        pwm_free(lcd_pwm);
 504        gpio_free(S3C2410_GPB(0));
 505}
 506
 507
 508static int rx1950_backlight_notify(struct device *dev, int brightness)
 509{
 510        if (!brightness) {
 511                rx1950_bl_power(0);
 512                rx1950_lcd_power(0);
 513        } else {
 514                rx1950_lcd_power(1);
 515                rx1950_bl_power(1);
 516        }
 517        return brightness;
 518}
 519
 520static struct platform_pwm_backlight_data rx1950_backlight_data = {
 521        .pwm_id = 0,
 522        .max_brightness = 24,
 523        .dft_brightness = 4,
 524        .pwm_period_ns = 48000,
 525        .init = rx1950_backlight_init,
 526        .notify = rx1950_backlight_notify,
 527        .exit = rx1950_backlight_exit,
 528};
 529
 530static struct platform_device rx1950_backlight = {
 531        .name = "pwm-backlight",
 532        .dev = {
 533                .parent = &s3c_device_timer[0].dev,
 534                .platform_data = &rx1950_backlight_data,
 535        },
 536};
 537
 538static void rx1950_set_mmc_power(unsigned char power_mode, unsigned short vdd)
 539{
 540        switch (power_mode) {
 541        case MMC_POWER_OFF:
 542                gpio_direction_output(S3C2410_GPJ(1), 0);
 543                break;
 544        case MMC_POWER_UP:
 545        case MMC_POWER_ON:
 546                gpio_direction_output(S3C2410_GPJ(1), 1);
 547                break;
 548        default:
 549                break;
 550        }
 551}
 552
 553static struct s3c24xx_mci_pdata rx1950_mmc_cfg __initdata = {
 554        .gpio_detect = S3C2410_GPF(5),
 555        .gpio_wprotect = S3C2410_GPH(8),
 556        .set_power = rx1950_set_mmc_power,
 557        .ocr_avail = MMC_VDD_32_33,
 558};
 559
 560static struct mtd_partition rx1950_nand_part[] = {
 561        [0] = {
 562                        .name = "Boot0",
 563                        .offset = 0,
 564                        .size = 0x4000,
 565                        .mask_flags = MTD_WRITEABLE,
 566        },
 567        [1] = {
 568                        .name = "Boot1",
 569                        .offset = MTDPART_OFS_APPEND,
 570                        .size = 0x40000,
 571                        .mask_flags = MTD_WRITEABLE,
 572        },
 573        [2] = {
 574                        .name = "Kernel",
 575                        .offset = MTDPART_OFS_APPEND,
 576                        .size = 0x300000,
 577                        .mask_flags = 0,
 578        },
 579        [3] = {
 580                        .name = "Filesystem",
 581                        .offset = MTDPART_OFS_APPEND,
 582                        .size = MTDPART_SIZ_FULL,
 583                        .mask_flags = 0,
 584        },
 585};
 586
 587static struct s3c2410_nand_set rx1950_nand_sets[] = {
 588        [0] = {
 589                        .name = "Internal",
 590                        .nr_chips = 1,
 591                        .nr_partitions = ARRAY_SIZE(rx1950_nand_part),
 592                        .partitions = rx1950_nand_part,
 593        },
 594};
 595
 596static struct s3c2410_platform_nand rx1950_nand_info = {
 597        .tacls = 25,
 598        .twrph0 = 50,
 599        .twrph1 = 15,
 600        .nr_sets = ARRAY_SIZE(rx1950_nand_sets),
 601        .sets = rx1950_nand_sets,
 602};
 603
 604static struct s3c2410_udc_mach_info rx1950_udc_cfg __initdata = {
 605        .vbus_pin = S3C2410_GPG(5),
 606        .vbus_pin_inverted = 1,
 607        .pullup_pin = S3C2410_GPJ(5),
 608};
 609
 610static struct s3c2410_ts_mach_info rx1950_ts_cfg __initdata = {
 611        .delay = 10000,
 612        .presc = 49,
 613        .oversampling_shift = 3,
 614};
 615
 616static struct gpio_keys_button rx1950_gpio_keys_table[] = {
 617        {
 618                .code           = KEY_POWER,
 619                .gpio           = S3C2410_GPF(0),
 620                .active_low     = 1,
 621                .desc           = "Power button",
 622                .wakeup         = 1,
 623        },
 624        {
 625                .code           = KEY_F5,
 626                .gpio           = S3C2410_GPF(7),
 627                .active_low     = 1,
 628                .desc           = "Record button",
 629        },
 630        {
 631                .code           = KEY_F1,
 632                .gpio           = S3C2410_GPG(0),
 633                .active_low     = 1,
 634                .desc           = "Calendar button",
 635        },
 636        {
 637                .code           = KEY_F2,
 638                .gpio           = S3C2410_GPG(2),
 639                .active_low     = 1,
 640                .desc           = "Contacts button",
 641        },
 642        {
 643                .code           = KEY_F3,
 644                .gpio           = S3C2410_GPG(3),
 645                .active_low     = 1,
 646                .desc           = "Mail button",
 647        },
 648        {
 649                .code           = KEY_F4,
 650                .gpio           = S3C2410_GPG(7),
 651                .active_low     = 1,
 652                .desc           = "WLAN button",
 653        },
 654        {
 655                .code           = KEY_LEFT,
 656                .gpio           = S3C2410_GPG(10),
 657                .active_low     = 1,
 658                .desc           = "Left button",
 659        },
 660        {
 661                .code           = KEY_RIGHT,
 662                .gpio           = S3C2410_GPG(11),
 663                .active_low     = 1,
 664                .desc           = "Right button",
 665        },
 666        {
 667                .code           = KEY_UP,
 668                .gpio           = S3C2410_GPG(4),
 669                .active_low     = 1,
 670                .desc           = "Up button",
 671        },
 672        {
 673                .code           = KEY_DOWN,
 674                .gpio           = S3C2410_GPG(6),
 675                .active_low     = 1,
 676                .desc           = "Down button",
 677        },
 678        {
 679                .code           = KEY_ENTER,
 680                .gpio           = S3C2410_GPG(9),
 681                .active_low     = 1,
 682                .desc           = "Ok button"
 683        },
 684};
 685
 686static struct gpio_keys_platform_data rx1950_gpio_keys_data = {
 687        .buttons = rx1950_gpio_keys_table,
 688        .nbuttons = ARRAY_SIZE(rx1950_gpio_keys_table),
 689};
 690
 691static struct platform_device rx1950_device_gpiokeys = {
 692        .name = "gpio-keys",
 693        .dev.platform_data = &rx1950_gpio_keys_data,
 694};
 695
 696static struct uda1380_platform_data uda1380_info = {
 697        .gpio_power     = S3C2410_GPJ(0),
 698        .gpio_reset     = S3C2410_GPD(0),
 699        .dac_clk        = UDA1380_DAC_CLK_SYSCLK,
 700};
 701
 702static struct i2c_board_info rx1950_i2c_devices[] = {
 703        {
 704                I2C_BOARD_INFO("uda1380", 0x1a),
 705                .platform_data = &uda1380_info,
 706        },
 707};
 708
 709static struct platform_device *rx1950_devices[] __initdata = {
 710        &s3c_device_lcd,
 711        &s3c_device_wdt,
 712        &s3c_device_i2c0,
 713        &s3c_device_iis,
 714        &s3c_device_usbgadget,
 715        &s3c_device_rtc,
 716        &s3c_device_nand,
 717        &s3c_device_sdi,
 718        &s3c_device_adc,
 719        &s3c_device_ts,
 720        &s3c_device_timer[0],
 721        &s3c_device_timer[1],
 722        &rx1950_backlight,
 723        &rx1950_device_gpiokeys,
 724        &power_supply,
 725        &rx1950_battery,
 726        &rx1950_leds,
 727};
 728
 729static struct clk *rx1950_clocks[] __initdata = {
 730        &s3c24xx_clkout0,
 731        &s3c24xx_clkout1,
 732};
 733
 734static void __init rx1950_map_io(void)
 735{
 736        s3c24xx_clkout0.parent  = &clk_h;
 737        s3c24xx_clkout1.parent  = &clk_f;
 738
 739        s3c24xx_register_clocks(rx1950_clocks, ARRAY_SIZE(rx1950_clocks));
 740
 741        s3c24xx_init_io(rx1950_iodesc, ARRAY_SIZE(rx1950_iodesc));
 742        s3c24xx_init_clocks(16934000);
 743        s3c24xx_init_uarts(rx1950_uartcfgs, ARRAY_SIZE(rx1950_uartcfgs));
 744        samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
 745
 746        /* setup PM */
 747
 748#ifdef CONFIG_PM_H1940
 749        memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 8);
 750#endif
 751
 752        s3c_pm_init();
 753}
 754
 755static void __init rx1950_init_machine(void)
 756{
 757        int i;
 758
 759        s3c24xx_fb_set_platdata(&rx1950_lcd_cfg);
 760        s3c24xx_udc_set_platdata(&rx1950_udc_cfg);
 761        s3c24xx_ts_set_platdata(&rx1950_ts_cfg);
 762        s3c24xx_mci_set_platdata(&rx1950_mmc_cfg);
 763        s3c_i2c0_set_platdata(NULL);
 764        s3c_nand_set_platdata(&rx1950_nand_info);
 765
 766        /* Turn off suspend on both USB ports, and switch the
 767         * selectable USB port to USB device mode. */
 768        s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
 769                                                S3C2410_MISCCR_USBSUSPND0 |
 770                                                S3C2410_MISCCR_USBSUSPND1, 0x0);
 771
 772        /* mmc power is disabled by default */
 773        WARN_ON(gpio_request(S3C2410_GPJ(1), "MMC power"));
 774        gpio_direction_output(S3C2410_GPJ(1), 0);
 775
 776        for (i = 0; i < 8; i++)
 777                WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
 778
 779        for (i = 10; i < 16; i++)
 780                WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
 781
 782        for (i = 2; i < 8; i++)
 783                WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
 784
 785        for (i = 11; i < 16; i++)
 786                WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
 787
 788        WARN_ON(gpio_request(S3C2410_GPB(1), "LCD power"));
 789
 790        WARN_ON(gpio_request(S3C2410_GPA(3), "Red blink"));
 791        WARN_ON(gpio_request(S3C2410_GPA(4), "Green blink"));
 792        WARN_ON(gpio_request(S3C2410_GPJ(6), "LED blink"));
 793        gpio_direction_output(S3C2410_GPA(3), 0);
 794        gpio_direction_output(S3C2410_GPA(4), 0);
 795        gpio_direction_output(S3C2410_GPJ(6), 0);
 796
 797        platform_add_devices(rx1950_devices, ARRAY_SIZE(rx1950_devices));
 798
 799        i2c_register_board_info(0, rx1950_i2c_devices,
 800                ARRAY_SIZE(rx1950_i2c_devices));
 801}
 802
 803/* H1940 and RX3715 need to reserve this for suspend */
 804static void __init rx1950_reserve(void)
 805{
 806        memblock_reserve(0x30003000, 0x1000);
 807        memblock_reserve(0x30081000, 0x1000);
 808}
 809
 810MACHINE_START(RX1950, "HP iPAQ RX1950")
 811    /* Maintainers: Vasily Khoruzhick */
 812        .atag_offset = 0x100,
 813        .map_io = rx1950_map_io,
 814        .reserve        = rx1950_reserve,
 815        .init_irq       = s3c2442_init_irq,
 816        .init_machine = rx1950_init_machine,
 817        .init_time      = samsung_timer_init,
 818        .restart        = s3c244x_restart,
 819MACHINE_END
 820