arch/arm/mach-s3c/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/gpio/machine.h>
  18 #include <linux/platform_device.h>
  19 #include <linux/serial_core.h>
  20 #include <linux/serial_s3c.h>
  21 #include <linux/input.h>
  22 #include <linux/gpio_keys.h>
  23 #include <linux/device.h>
  24 #include <linux/pda_power.h>
  25 #include <linux/pwm_backlight.h>
  26 #include <linux/pwm.h>
  27 #include <linux/s3c_adc_battery.h>
  28 #include <linux/leds.h>
  29 #include <linux/i2c.h>
  30
  31 #include <linux/mtd/mtd.h>
  32 #include <linux/mtd/partitions.h>
  33
  34 #include <linux/mmc/host.h>
  35
  36 #include <asm/mach-types.h>
  37 #include <asm/mach/arch.h>
  38 #include <asm/mach/map.h>
  39
  40 #include <linux/platform_data/i2c-s3c2410.h>
  41 #include <linux/platform_data/mmc-s3cmci.h>
  42 #include <linux/platform_data/mtd-nand-s3c2410.h>
  43 #include <linux/platform_data/touchscreen-s3c2410.h>
  44 #include <linux/platform_data/usb-s3c2410_udc.h>
  45 #include <linux/platform_data/fb-s3c2410.h>
  46
  47 #include <sound/uda1380.h>
  48
  49 #include "hardware-s3c24xx.h"
  50 #include "regs-gpio.h"
  51 #include "gpio-samsung.h"
  52
  53 #include "cpu.h"
  54 #include "devs.h"
  55 #include "pm.h"
  56 #include "gpio-cfg.h"
  57
  58 #include "s3c24xx.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 struct gpiod_lookup_table rx1950_bat_gpio_table = {
 210         .dev_id = "s3c-adc-battery",
 211         .table = {
 212                 /* Charge status S3C2410_GPF(3) */
 213                 GPIO_LOOKUP("GPIOF", 3, "charge-status", GPIO_ACTIVE_HIGH),
 214                 { },
 215         },
 216 };
 217
 218 static int rx1950_bat_init(void)
 219 {
 220         int ret;
 221
 222         ret = gpio_request(S3C2410_GPJ(2), "rx1950-charger-enable-1");
 223         if (ret)
 224                 goto err_gpio1;
 225         ret = gpio_request(S3C2410_GPJ(3), "rx1950-charger-enable-2");
 226         if (ret)
 227                 goto err_gpio2;
 228
 229         return 0;
 230
 231 err_gpio2:
 232         gpio_free(S3C2410_GPJ(2));
 233 err_gpio1:
 234         return ret;
 235 }
 236
 237 static void rx1950_bat_exit(void)
 238 {
 239         gpio_free(S3C2410_GPJ(2));
 240         gpio_free(S3C2410_GPJ(3));
 241 }
 242
 243 static void rx1950_enable_charger(void)
 244 {
 245         gpio_direction_output(S3C2410_GPJ(2), 1);
 246         gpio_direction_output(S3C2410_GPJ(3), 1);
 247 }
 248
 249 static void rx1950_disable_charger(void)
 250 {
 251         gpio_direction_output(S3C2410_GPJ(2), 0);
 252         gpio_direction_output(S3C2410_GPJ(3), 0);
 253 }
 254
 255 static DEFINE_SPINLOCK(rx1950_blink_spin);
 256
 257 static int rx1950_led_blink_set(struct gpio_desc *desc, int state,
 258         unsigned long *delay_on, unsigned long *delay_off)
 259 {
 260         int gpio = desc_to_gpio(desc);
 261         int blink_gpio, check_gpio;
 262
 263         switch (gpio) {
 264         case S3C2410_GPA(6):
 265                 blink_gpio = S3C2410_GPA(4);
 266                 check_gpio = S3C2410_GPA(3);
 267                 break;
 268         case S3C2410_GPA(7):
 269                 blink_gpio = S3C2410_GPA(3);
 270                 check_gpio = S3C2410_GPA(4);
 271                 break;
 272         default:
 273                 return -EINVAL;
 274                 break;
 275         }
 276
 277         if (delay_on && delay_off && !*delay_on && !*delay_off)
 278                 *delay_on = *delay_off = 500;
 279
 280         spin_lock(&rx1950_blink_spin);
 281
 282         switch (state) {
 283         case GPIO_LED_NO_BLINK_LOW:
 284         case GPIO_LED_NO_BLINK_HIGH:
 285                 if (!gpio_get_value(check_gpio))
 286                         gpio_set_value(S3C2410_GPJ(6), 0);
 287                 gpio_set_value(blink_gpio, 0);
 288                 gpio_set_value(gpio, state);
 289                 break;
 290         case GPIO_LED_BLINK:
 291                 gpio_set_value(gpio, 0);
 292                 gpio_set_value(S3C2410_GPJ(6), 1);
 293                 gpio_set_value(blink_gpio, 1);
 294                 break;
 295         }
 296
 297         spin_unlock(&rx1950_blink_spin);
 298
 299         return 0;
 300 }
 301
 302 static struct gpio_led rx1950_leds_desc[] = {
 303         {
 304                 .name                   = "Green",
 305                 .default_trigger        = "main-battery-full",
 306                 .gpio                   = S3C2410_GPA(6),
 307                 .retain_state_suspended = 1,
 308         },
 309         {
 310                 .name                   = "Red",
 311                 .default_trigger
 312                         = "main-battery-charging-blink-full-solid",
 313                 .gpio                   = S3C2410_GPA(7),
 314                 .retain_state_suspended = 1,
 315         },
 316         {
 317                 .name                   = "Blue",
 318                 .default_trigger        = "rx1950-acx-mem",
 319                 .gpio                   = S3C2410_GPA(11),
 320                 .retain_state_suspended = 1,
 321         },
 322 };
 323
 324 static struct gpio_led_platform_data rx1950_leds_pdata = {
 325         .num_leds       = ARRAY_SIZE(rx1950_leds_desc),
 326         .leds           = rx1950_leds_desc,
 327         .gpio_blink_set = rx1950_led_blink_set,
 328 };
 329
 330 static struct platform_device rx1950_leds = {
 331         .name   = "leds-gpio",
 332         .id             = -1,
 333         .dev    = {
 334                                 .platform_data = &rx1950_leds_pdata,
 335         },
 336 };
 337
 338 static struct s3c_adc_bat_pdata rx1950_bat_cfg = {
 339         .init = rx1950_bat_init,
 340         .exit = rx1950_bat_exit,
 341         .enable_charger = rx1950_enable_charger,
 342         .disable_charger = rx1950_disable_charger,
 343         .lut_noac = bat_lut_noac,
 344         .lut_noac_cnt = ARRAY_SIZE(bat_lut_noac),
 345         .lut_acin = bat_lut_acin,
 346         .lut_acin_cnt = ARRAY_SIZE(bat_lut_acin),
 347         .volt_channel = 0,
 348         .current_channel = 1,
 349         .volt_mult = 4235,
 350         .current_mult = 2900,
 351         .internal_impedance = 200,
 352 };
 353
 354 static struct platform_device rx1950_battery = {
 355         .name             = "s3c-adc-battery",
 356         .id               = -1,
 357         .dev = {
 358                 .parent = &s3c_device_adc.dev,
 359                 .platform_data = &rx1950_bat_cfg,
 360         },
 361 };
 362
 363 static struct s3c2410fb_mach_info rx1950_lcd_cfg = {
 364         .displays = &rx1950_display,
 365         .num_displays = 1,
 366         .default_display = 0,
 367
 368         .lpcsel = 0x02,
 369         .gpccon = 0xaa9556a9,
 370         .gpccon_mask = 0xffc003fc,
 371         .gpccon_reg = S3C2410_GPCCON,
 372         .gpcup = 0x0000ffff,
 373         .gpcup_mask = 0xffffffff,
 374         .gpcup_reg = S3C2410_GPCUP,
 375
 376         .gpdcon = 0xaa90aaa1,
 377         .gpdcon_mask = 0xffc0fff0,
 378         .gpdcon_reg = S3C2410_GPDCON,
 379         .gpdup = 0x0000fcfd,
 380         .gpdup_mask = 0xffffffff,
 381         .gpdup_reg = S3C2410_GPDUP,
 382 };
 383
 384 static struct pwm_lookup rx1950_pwm_lookup[] = {
 385         PWM_LOOKUP("samsung-pwm", 0, "pwm-backlight.0", NULL, 48000,
 386                    PWM_POLARITY_NORMAL),
 387 };
 388
 389 static struct pwm_device *lcd_pwm;
 390 static struct pwm_state lcd_pwm_state;
 391
 392 static void rx1950_lcd_power(int enable)
 393 {
 394         int i;
 395         static int enabled;
 396         if (enabled == enable)
 397                 return;
 398         if (!enable) {
 399
 400                 /* GPC11-GPC15->OUTPUT */
 401                 for (i = 11; i < 16; i++)
 402                         gpio_direction_output(S3C2410_GPC(i), 1);
 403
 404                 /* Wait a bit here... */
 405                 mdelay(100);
 406
 407                 /* GPD2-GPD7->OUTPUT */
 408                 /* GPD11-GPD15->OUTPUT */
 409                 /* GPD2-GPD7->1, GPD11-GPD15->1 */
 410                 for (i = 2; i < 8; i++)
 411                         gpio_direction_output(S3C2410_GPD(i), 1);
 412                 for (i = 11; i < 16; i++)
 413                         gpio_direction_output(S3C2410_GPD(i), 1);
 414
 415                 /* Wait a bit here...*/
 416                 mdelay(100);
 417
 418                 /* GPB0->OUTPUT, GPB0->0 */
 419                 gpio_direction_output(S3C2410_GPB(0), 0);
 420
 421                 /* GPC1-GPC4->OUTPUT, GPC1-4->0 */
 422                 for (i = 1; i < 5; i++)
 423                         gpio_direction_output(S3C2410_GPC(i), 0);
 424
 425                 /* GPC15-GPC11->0 */
 426                 for (i = 11; i < 16; i++)
 427                         gpio_direction_output(S3C2410_GPC(i), 0);
 428
 429                 /* GPD15-GPD11->0, GPD2->GPD7->0 */
 430                 for (i = 11; i < 16; i++)
 431                         gpio_direction_output(S3C2410_GPD(i), 0);
 432
 433                 for (i = 2; i < 8; i++)
 434                         gpio_direction_output(S3C2410_GPD(i), 0);
 435
 436                 /* GPC6->0, GPC7->0, GPC5->0 */
 437                 gpio_direction_output(S3C2410_GPC(6), 0);
 438                 gpio_direction_output(S3C2410_GPC(7), 0);
 439                 gpio_direction_output(S3C2410_GPC(5), 0);
 440
 441                 /* GPB1->OUTPUT, GPB1->0 */
 442                 gpio_direction_output(S3C2410_GPB(1), 0);
 443
 444                 lcd_pwm_state.enabled = false;
 445                 pwm_apply_state(lcd_pwm, &lcd_pwm_state);
 446
 447                 /* GPC0->0, GPC10->0 */
 448                 gpio_direction_output(S3C2410_GPC(0), 0);
 449                 gpio_direction_output(S3C2410_GPC(10), 0);
 450         } else {
 451                 lcd_pwm_state.enabled = true;
 452                 pwm_apply_state(lcd_pwm, &lcd_pwm_state);
 453
 454                 gpio_direction_output(S3C2410_GPC(0), 1);
 455                 gpio_direction_output(S3C2410_GPC(5), 1);
 456
 457                 s3c_gpio_cfgpin(S3C2410_GPB(1), S3C2410_GPB1_TOUT1);
 458                 gpio_direction_output(S3C2410_GPC(7), 1);
 459
 460                 for (i = 1; i < 5; i++)
 461                         s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));
 462
 463                 for (i = 11; i < 16; i++)
 464                         s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));
 465
 466                 for (i = 2; i < 8; i++)
 467                         s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));
 468
 469                 for (i = 11; i < 16; i++)
 470                         s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));
 471
 472                 gpio_direction_output(S3C2410_GPC(10), 1);
 473                 gpio_direction_output(S3C2410_GPC(6), 1);
 474         }
 475         enabled = enable;
 476 }
 477
 478 static void rx1950_bl_power(int enable)
 479 {
 480         static int enabled;
 481         if (enabled == enable)
 482                 return;
 483         if (!enable) {
 484                         gpio_direction_output(S3C2410_GPB(0), 0);
 485         } else {
 486                         /* LED driver need a "push" to power on */
 487                         gpio_direction_output(S3C2410_GPB(0), 1);
 488                         /* Warm up backlight for one period of PWM.
 489                          * Without this trick its almost impossible to
 490                          * enable backlight with low brightness value
 491                          */
 492                         ndelay(48000);
 493                         s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
 494         }
 495         enabled = enable;
 496 }
 497
 498 static int rx1950_backlight_init(struct device *dev)
 499 {
 500         WARN_ON(gpio_request(S3C2410_GPB(0), "Backlight"));
 501         lcd_pwm = pwm_request(1, "RX1950 LCD");
 502         if (IS_ERR(lcd_pwm)) {
 503                 dev_err(dev, "Unable to request PWM for LCD power!\n");
 504                 return PTR_ERR(lcd_pwm);
 505         }
 506
 507         /*
 508          * This is only required to initialize .polarity; all other values are
 509          * fixed in this driver.
 510          */
 511         pwm_init_state(lcd_pwm, &lcd_pwm_state);
 512
 513         lcd_pwm_state.period = LCD_PWM_PERIOD;
 514         lcd_pwm_state.duty_cycle = LCD_PWM_DUTY;
 515
 516         rx1950_lcd_power(1);
 517         rx1950_bl_power(1);
 518
 519         return 0;
 520 }
 521
 522 static void rx1950_backlight_exit(struct device *dev)
 523 {
 524         rx1950_bl_power(0);
 525         rx1950_lcd_power(0);
 526
 527         pwm_free(lcd_pwm);
 528         gpio_free(S3C2410_GPB(0));
 529 }
 530
 531
 532 static int rx1950_backlight_notify(struct device *dev, int brightness)
 533 {
 534         if (!brightness) {
 535                 rx1950_bl_power(0);
 536                 rx1950_lcd_power(0);
 537         } else {
 538                 rx1950_lcd_power(1);
 539                 rx1950_bl_power(1);
 540         }
 541         return brightness;
 542 }
 543
 544 static struct platform_pwm_backlight_data rx1950_backlight_data = {
 545         .max_brightness = 24,
 546         .dft_brightness = 4,
 547         .init = rx1950_backlight_init,
 548         .notify = rx1950_backlight_notify,
 549         .exit = rx1950_backlight_exit,
 550 };
 551
 552 static struct platform_device rx1950_backlight = {
 553         .name = "pwm-backlight",
 554         .dev = {
 555                 .parent = &samsung_device_pwm.dev,
 556                 .platform_data = &rx1950_backlight_data,
 557         },
 558 };
 559
 560 static void rx1950_set_mmc_power(unsigned char power_mode, unsigned short vdd)
 561 {
 562         s3c24xx_mci_def_set_power(power_mode, vdd);
 563
 564         switch (power_mode) {
 565         case MMC_POWER_OFF:
 566                 gpio_direction_output(S3C2410_GPJ(1), 0);
 567                 break;
 568         case MMC_POWER_UP:
 569         case MMC_POWER_ON:
 570                 gpio_direction_output(S3C2410_GPJ(1), 1);
 571                 break;
 572         default:
 573                 break;
 574         }
 575 }
 576
 577 static struct s3c24xx_mci_pdata rx1950_mmc_cfg __initdata = {
 578         .set_power = rx1950_set_mmc_power,
 579         .ocr_avail = MMC_VDD_32_33,
 580 };
 581
 582 static struct gpiod_lookup_table rx1950_mmc_gpio_table = {
 583         .dev_id = "s3c2410-sdi",
 584         .table = {
 585                 /* Card detect S3C2410_GPF(5) */
 586                 GPIO_LOOKUP("GPIOF", 5, "cd", GPIO_ACTIVE_LOW),
 587                 /* Write protect S3C2410_GPH(8) */
 588                 GPIO_LOOKUP("GPIOH", 8, "wp", GPIO_ACTIVE_LOW),
 589                 /* bus pins */
 590                 GPIO_LOOKUP_IDX("GPIOE",  5, "bus", 0, GPIO_ACTIVE_HIGH),
 591                 GPIO_LOOKUP_IDX("GPIOE",  6, "bus", 1, GPIO_ACTIVE_HIGH),
 592                 GPIO_LOOKUP_IDX("GPIOE",  7, "bus", 2, GPIO_ACTIVE_HIGH),
 593                 GPIO_LOOKUP_IDX("GPIOE",  8, "bus", 3, GPIO_ACTIVE_HIGH),
 594                 GPIO_LOOKUP_IDX("GPIOE",  9, "bus", 4, GPIO_ACTIVE_HIGH),
 595                 GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH),
 596                 { },
 597         },
 598 };
 599
 600 static struct mtd_partition rx1950_nand_part[] = {
 601         [0] = {
 602                         .name = "Boot0",
 603                         .offset = 0,
 604                         .size = 0x4000,
 605                         .mask_flags = MTD_WRITEABLE,
 606         },
 607         [1] = {
 608                         .name = "Boot1",
 609                         .offset = MTDPART_OFS_APPEND,
 610                         .size = 0x40000,
 611                         .mask_flags = MTD_WRITEABLE,
 612         },
 613         [2] = {
 614                         .name = "Kernel",
 615                         .offset = MTDPART_OFS_APPEND,
 616                         .size = 0x300000,
 617                         .mask_flags = 0,
 618         },
 619         [3] = {
 620                         .name = "Filesystem",
 621                         .offset = MTDPART_OFS_APPEND,
 622                         .size = MTDPART_SIZ_FULL,
 623                         .mask_flags = 0,
 624         },
 625 };
 626
 627 static struct s3c2410_nand_set rx1950_nand_sets[] = {
 628         [0] = {
 629                         .name = "Internal",
 630                         .nr_chips = 1,
 631                         .nr_partitions = ARRAY_SIZE(rx1950_nand_part),
 632                         .partitions = rx1950_nand_part,
 633         },
 634 };
 635
 636 static struct s3c2410_platform_nand rx1950_nand_info = {
 637         .tacls = 25,
 638         .twrph0 = 50,
 639         .twrph1 = 15,
 640         .nr_sets = ARRAY_SIZE(rx1950_nand_sets),
 641         .sets = rx1950_nand_sets,
 642         .engine_type = NAND_ECC_ENGINE_TYPE_SOFT,
 643 };
 644
 645 static struct s3c2410_udc_mach_info rx1950_udc_cfg __initdata = {
 646         .vbus_pin = S3C2410_GPG(5),
 647         .vbus_pin_inverted = 1,
 648         .pullup_pin = S3C2410_GPJ(5),
 649 };
 650
 651 static struct s3c2410_ts_mach_info rx1950_ts_cfg __initdata = {
 652         .delay = 10000,
 653         .presc = 49,
 654         .oversampling_shift = 3,
 655 };
 656
 657 static struct gpio_keys_button rx1950_gpio_keys_table[] = {
 658         {
 659                 .code           = KEY_POWER,
 660                 .gpio           = S3C2410_GPF(0),
 661                 .active_low     = 1,
 662                 .desc           = "Power button",
 663                 .wakeup         = 1,
 664         },
 665         {
 666                 .code           = KEY_F5,
 667                 .gpio           = S3C2410_GPF(7),
 668                 .active_low     = 1,
 669                 .desc           = "Record button",
 670         },
 671         {
 672                 .code           = KEY_F1,
 673                 .gpio           = S3C2410_GPG(0),
 674                 .active_low     = 1,
 675                 .desc           = "Calendar button",
 676         },
 677         {
 678                 .code           = KEY_F2,
 679                 .gpio           = S3C2410_GPG(2),
 680                 .active_low     = 1,
 681                 .desc           = "Contacts button",
 682         },
 683         {
 684                 .code           = KEY_F3,
 685                 .gpio           = S3C2410_GPG(3),
 686                 .active_low     = 1,
 687                 .desc           = "Mail button",
 688         },
 689         {
 690                 .code           = KEY_F4,
 691                 .gpio           = S3C2410_GPG(7),
 692                 .active_low     = 1,
 693                 .desc           = "WLAN button",
 694         },
 695         {
 696                 .code           = KEY_LEFT,
 697                 .gpio           = S3C2410_GPG(10),
 698                 .active_low     = 1,
 699                 .desc           = "Left button",
 700         },
 701         {
 702                 .code           = KEY_RIGHT,
 703                 .gpio           = S3C2410_GPG(11),
 704                 .active_low     = 1,
 705                 .desc           = "Right button",
 706         },
 707         {
 708                 .code           = KEY_UP,
 709                 .gpio           = S3C2410_GPG(4),
 710                 .active_low     = 1,
 711                 .desc           = "Up button",
 712         },
 713         {
 714                 .code           = KEY_DOWN,
 715                 .gpio           = S3C2410_GPG(6),
 716                 .active_low     = 1,
 717                 .desc           = "Down button",
 718         },
 719         {
 720                 .code           = KEY_ENTER,
 721                 .gpio           = S3C2410_GPG(9),
 722                 .active_low     = 1,
 723                 .desc           = "Ok button"
 724         },
 725 };
 726
 727 static struct gpio_keys_platform_data rx1950_gpio_keys_data = {
 728         .buttons = rx1950_gpio_keys_table,
 729         .nbuttons = ARRAY_SIZE(rx1950_gpio_keys_table),
 730 };
 731
 732 static struct platform_device rx1950_device_gpiokeys = {
 733         .name = "gpio-keys",
 734         .dev.platform_data = &rx1950_gpio_keys_data,
 735 };
 736
 737 static struct uda1380_platform_data uda1380_info = {
 738         .gpio_power     = S3C2410_GPJ(0),
 739         .gpio_reset     = S3C2410_GPD(0),
 740         .dac_clk        = UDA1380_DAC_CLK_SYSCLK,
 741 };
 742
 743 static struct i2c_board_info rx1950_i2c_devices[] = {
 744         {
 745                 I2C_BOARD_INFO("uda1380", 0x1a),
 746                 .platform_data = &uda1380_info,
 747         },
 748 };
 749
 750 static struct gpiod_lookup_table rx1950_audio_gpio_table = {
 751         .dev_id = "rx1950-audio",
 752         .table = {
 753                 GPIO_LOOKUP("GPIOG", 12, "hp-gpio", GPIO_ACTIVE_HIGH),
 754                 GPIO_LOOKUP("GPIOA", 1, "speaker-power", GPIO_ACTIVE_HIGH),
 755                 { },
 756         },
 757 };
 758
 759 static struct platform_device rx1950_audio = {
 760         .name = "rx1950-audio",
 761         .id = -1,
 762 };
 763
 764 static struct platform_device *rx1950_devices[] __initdata = {
 765         &s3c2410_device_dclk,
 766         &s3c_device_lcd,
 767         &s3c_device_wdt,
 768         &s3c_device_i2c0,
 769         &s3c_device_iis,
 770         &s3c_device_usbgadget,
 771         &s3c_device_rtc,
 772         &s3c_device_nand,
 773         &s3c_device_sdi,
 774         &s3c_device_adc,
 775         &s3c_device_ts,
 776         &samsung_device_pwm,
 777         &rx1950_backlight,
 778         &rx1950_device_gpiokeys,
 779         &power_supply,
 780         &rx1950_battery,
 781         &rx1950_leds,
 782         &rx1950_audio,
 783 };
 784
 785 static void __init rx1950_map_io(void)
 786 {
 787         s3c24xx_init_io(rx1950_iodesc, ARRAY_SIZE(rx1950_iodesc));
 788         s3c24xx_init_uarts(rx1950_uartcfgs, ARRAY_SIZE(rx1950_uartcfgs));
 789         s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
 790
 791         /* setup PM */
 792
 793 #ifdef CONFIG_PM_H1940
 794         memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 8);
 795 #endif
 796
 797         s3c_pm_init();
 798 }
 799
 800 static void __init rx1950_init_time(void)
 801 {
 802         s3c2442_init_clocks(16934000);
 803         s3c24xx_timer_init();
 804 }
 805
 806 static void __init rx1950_init_machine(void)
 807 {
 808         int i;
 809
 810         s3c24xx_fb_set_platdata(&rx1950_lcd_cfg);
 811         s3c24xx_udc_set_platdata(&rx1950_udc_cfg);
 812         s3c24xx_ts_set_platdata(&rx1950_ts_cfg);
 813         gpiod_add_lookup_table(&rx1950_mmc_gpio_table);
 814         s3c24xx_mci_set_platdata(&rx1950_mmc_cfg);
 815         s3c_i2c0_set_platdata(NULL);
 816         s3c_nand_set_platdata(&rx1950_nand_info);
 817
 818         /* Turn off suspend on both USB ports, and switch the
 819          * selectable USB port to USB device mode. */
 820         s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
 821                                                 S3C2410_MISCCR_USBSUSPND0 |
 822                                                 S3C2410_MISCCR_USBSUSPND1, 0x0);
 823
 824         /* mmc power is disabled by default */
 825         WARN_ON(gpio_request(S3C2410_GPJ(1), "MMC power"));
 826         gpio_direction_output(S3C2410_GPJ(1), 0);
 827
 828         for (i = 0; i < 8; i++)
 829                 WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
 830
 831         for (i = 10; i < 16; i++)
 832                 WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
 833
 834         for (i = 2; i < 8; i++)
 835                 WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
 836
 837         for (i = 11; i < 16; i++)
 838                 WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
 839
 840         WARN_ON(gpio_request(S3C2410_GPB(1), "LCD power"));
 841
 842         WARN_ON(gpio_request(S3C2410_GPA(3), "Red blink"));
 843         WARN_ON(gpio_request(S3C2410_GPA(4), "Green blink"));
 844         WARN_ON(gpio_request(S3C2410_GPJ(6), "LED blink"));
 845         gpio_direction_output(S3C2410_GPA(3), 0);
 846         gpio_direction_output(S3C2410_GPA(4), 0);
 847         gpio_direction_output(S3C2410_GPJ(6), 0);
 848
 849         pwm_add_table(rx1950_pwm_lookup, ARRAY_SIZE(rx1950_pwm_lookup));
 850         gpiod_add_lookup_table(&rx1950_audio_gpio_table);
 851         gpiod_add_lookup_table(&rx1950_bat_gpio_table);
 852         /* Configure the I2S pins (GPE0...GPE4) in correct mode */
 853         s3c_gpio_cfgall_range(S3C2410_GPE(0), 5, S3C_GPIO_SFN(2),
 854                               S3C_GPIO_PULL_NONE);
 855         platform_add_devices(rx1950_devices, ARRAY_SIZE(rx1950_devices));
 856
 857         i2c_register_board_info(0, rx1950_i2c_devices,
 858                 ARRAY_SIZE(rx1950_i2c_devices));
 859 }
 860
 861 /* H1940 and RX3715 need to reserve this for suspend */
 862 static void __init rx1950_reserve(void)
 863 {
 864         memblock_reserve(0x30003000, 0x1000);
 865         memblock_reserve(0x30081000, 0x1000);
 866 }
 867
 868 MACHINE_START(RX1950, "HP iPAQ RX1950")
 869     /* Maintainers: Vasily Khoruzhick */
 870         .atag_offset = 0x100,
 871         .map_io = rx1950_map_io,
 872         .reserve        = rx1950_reserve,
 873         .init_irq       = s3c2442_init_irq,
 874         .init_machine = rx1950_init_machine,
 875         .init_time      = rx1950_init_time,
 876 MACHINE_END