target/linux/s3c24xx/files-2.6.30/arch/arm/mach-s3c2442/mach-gta02.c

   1 /*
   2  * linux/arch/arm/mach-s3c2442/mach-gta02.c
   3  *
   4  * S3C2442 Machine Support for the Openmoko Freerunner (GTA02)
   5  *
   6  * Copyright (C) 2006-2007 by Openmoko, Inc.
   7  * Author: Harald Welte <laforge@openmoko.org>
   8  * All rights reserved.
   9  *
  10  * This program is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU General Public License as
  12  * published by the Free Software Foundation; either version 2 of
  13  * the License, or (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  23  * MA 02111-1307 USA
  24  *
  25  */
  26
  27 #include <linux/kernel.h>
  28 #include <linux/types.h>
  29 #include <linux/interrupt.h>
  30 #include <linux/list.h>
  31 #include <linux/delay.h>
  32 #include <linux/timer.h>
  33 #include <linux/init.h>
  34 #include <linux/workqueue.h>
  35 #include <linux/platform_device.h>
  36 #include <linux/serial_core.h>
  37 #include <linux/spi/spi.h>
  38 #include <linux/spi/glamo.h>
  39 #include <linux/spi/spi_bitbang.h>
  40 #include <linux/mmc/host.h>
  41
  42 #include <linux/mtd/mtd.h>
  43 #include <linux/mtd/nand.h>
  44 #include <linux/mtd/nand_ecc.h>
  45 #include <linux/mtd/partitions.h>
  46 #include <linux/mtd/physmap.h>
  47
  48 #include <linux/i2c.h>
  49 #include <linux/backlight.h>
  50 #include <linux/regulator/machine.h>
  51
  52 #include <linux/mfd/pcf50633/core.h>
  53 #include <linux/mfd/pcf50633/mbc.h>
  54 #include <linux/mfd/pcf50633/adc.h>
  55 #include <linux/mfd/pcf50633/gpio.h>
  56 #include <linux/mfd/pcf50633/pmic.h>
  57
  58 #include <linux/lis302dl.h>
  59
  60 #include <asm/mach/arch.h>
  61 #include <asm/mach/map.h>
  62 #include <asm/mach/irq.h>
  63
  64 #include <mach/hardware.h>
  65 #include <mach/io.h>
  66 #include <asm/irq.h>
  67 #include <asm/mach-types.h>
  68
  69 #include <mach/regs-irq.h>
  70 #include <mach/regs-gpio.h>
  71 #include <mach/regs-gpioj.h>
  72 #include <mach/fb.h>
  73 #include <mach/mci.h>
  74 #include <mach/ts.h>
  75 #include <mach/spi.h>
  76 #include <mach/spi-gpio.h>
  77 #include <mach/regs-mem.h>
  78 #include <mach/spi-gpio.h>
  79 #include <plat/pwm.h>
  80 #include <mach/cpu.h>
  81
  82 #include <mach/gta02.h>
  83
  84 #include <plat/regs-serial.h>
  85 #include <plat/nand.h>
  86 #include <plat/devs.h>
  87 #include <plat/cpu.h>
  88 #include <plat/pm.h>
  89 #include <plat/udc.h>
  90 #include <plat/iic.h>
  91 #include <plat/usb-control.h>
  92 #include <plat/regs-timer.h>
  93
  94 #include <mach/gta02-pm-gsm.h>
  95 #include <mach/gta02-pm-gps.h>
  96 #include <mach/gta02-pm-wlan.h>
  97
  98 #include <linux/jbt6k74.h>
  99 #include <linux/glamofb.h>
 100
 101 #include <linux/hdq.h>
 102 #include <linux/bq27000_battery.h>
 103
 104 #include <linux/touchscreen/ts_filter_chain.h>
 105 #ifdef CONFIG_TOUCHSCREEN_FILTER
 106 #include <linux/touchscreen/ts_filter_linear.h>
 107 #include <linux/touchscreen/ts_filter_mean.h>
 108 #include <linux/touchscreen/ts_filter_median.h>
 109 #include <linux/touchscreen/ts_filter_group.h>
 110 #endif
 111
 112 #include <asm/fiq.h>
 113
 114 #include <linux/gta02-vibrator.h>
 115 #include <linux/gta02-shadow.h>
 116
 117 /* arbitrates which sensor IRQ owns the shared SPI bus */
 118 static spinlock_t motion_irq_lock;
 119
 120
 121 /* -------------------------------------------------------------------------------
 122  * GTA02 FIQ related
 123  *
 124  * Calls into vibrator and hdq and based on the return values
 125  * determines if we the FIQ source be kept alive
 126  */
 127
 128 #define DIVISOR_FROM_US(x) ((x) << 3)
 129
 130 #ifdef CONFIG_HDQ_GPIO_BITBANG
 131 #define FIQ_DIVISOR_HDQ DIVISOR_FROM_US(HDQ_SAMPLE_PERIOD_US)
 132 extern int hdq_fiq_handler(void);
 133 #endif
 134
 135 #ifdef CONFIG_LEDS_GTA02_VIBRATOR
 136 #define FIQ_DIVISOR_VIBRATOR DIVISOR_FROM_US(100)
 137 extern int gta02_vibrator_fiq_handler(void);
 138 #endif
 139
 140 #if defined(CONFIG_LEDS_GTA02_VIBRATOR) || defined(CONFIG_HDQ_GPIO_BITBANG)
 141
 142 /* Global data related to our fiq source */
 143 static u32 gta02_fiq_ack_mask;
 144 static struct s3c2410_pwm gta02_fiq_pwm_timer;
 145 static u16 gta02_fiq_timer_index;
 146 static int gta02_fiq_irq;
 147
 148 static void gta02_fiq_handler(void)
 149 {
 150         u16 divisor = 0xffff;
 151
 152         /* Vibrator servicing */
 153
 154         /* disable further timer interrupts if nobody has any work
 155          * or adjust rate according to who still has work
 156          *
 157          * CAUTION: it means forground code must disable FIQ around
 158          * its own non-atomic S3C2410_INTMSK changes... not common
 159          * thankfully and taken care of by the fiq-basis patch
 160          */
 161
 162 #ifdef CONFIG_LEDS_GTA02_VIBRATOR
 163         if (gta02_vibrator_fiq_handler())
 164                 divisor = FIQ_DIVISOR_VIBRATOR;
 165 #endif
 166
 167 #ifdef CONFIG_HDQ_GPIO_BITBANG
 168         if (hdq_fiq_handler())
 169                 divisor = FIQ_DIVISOR_HDQ;
 170 #endif
 171
 172         if (divisor == 0xffff) /* mask the fiq irq source */
 173                 __raw_writel(__raw_readl(S3C2410_INTMSK) | gta02_fiq_ack_mask,
 174                              S3C2410_INTMSK);
 175         else /* still working, maybe at a different rate */
 176                 __raw_writel(divisor, S3C2410_TCNTB(gta02_fiq_timer_index));
 177
 178         __raw_writel(gta02_fiq_ack_mask, S3C2410_SRCPND);
 179 }
 180
 181 static void gta02_fiq_kick(void)
 182 {
 183         unsigned long flags;
 184         u32 tcon;
 185
 186         /* we have to take care about FIQ because this modification is
 187          * non-atomic, FIQ could come in after the read and before the
 188          * writeback and its changes to the register would be lost
 189          * (platform INTMSK mod code is taken care of already)
 190          */
 191         local_save_flags(flags);
 192         local_fiq_disable();
 193         /* allow FIQs to resume */
 194         __raw_writel(__raw_readl(S3C2410_INTMSK) &
 195                      ~(1 << (gta02_fiq_irq - S3C2410_CPUIRQ_OFFSET)),
 196                      S3C2410_INTMSK);
 197         tcon = __raw_readl(S3C2410_TCON) & ~S3C2410_TCON_T3START;
 198         /* fake the timer to a count of 1 */
 199         __raw_writel(1, S3C2410_TCNTB(gta02_fiq_timer_index));
 200         __raw_writel(tcon | S3C2410_TCON_T3MANUALUPD, S3C2410_TCON);
 201         __raw_writel(tcon | S3C2410_TCON_T3MANUALUPD | S3C2410_TCON_T3START,
 202                      S3C2410_TCON);
 203         __raw_writel(tcon | S3C2410_TCON_T3START, S3C2410_TCON);
 204         local_irq_restore(flags);
 205 }
 206
 207 static int gta02_fiq_enable(void)
 208 {
 209         int irq_index_fiq = IRQ_TIMER3;
 210         int rc = 0;
 211
 212         local_fiq_disable();
 213
 214         gta02_fiq_irq = irq_index_fiq;
 215         gta02_fiq_ack_mask = 1 << (irq_index_fiq - S3C2410_CPUIRQ_OFFSET);
 216         gta02_fiq_timer_index = (irq_index_fiq - IRQ_TIMER0);
 217
 218         /* set up the timer to operate as a pwm device */
 219
 220         rc = s3c2410_pwm_init(&gta02_fiq_pwm_timer);
 221         if (rc)
 222                 goto bail;
 223
 224         gta02_fiq_pwm_timer.timerid = PWM0 + gta02_fiq_timer_index;
 225         gta02_fiq_pwm_timer.prescaler = (6 - 1) / 2;
 226         gta02_fiq_pwm_timer.divider = S3C2410_TCFG1_MUX3_DIV2;
 227         /* default rate == ~32us */
 228         gta02_fiq_pwm_timer.counter = gta02_fiq_pwm_timer.comparer = 3000;
 229
 230         rc = s3c2410_pwm_enable(&gta02_fiq_pwm_timer);
 231         if (rc)
 232                 goto bail;
 233
 234         s3c2410_pwm_start(&gta02_fiq_pwm_timer);
 235
 236         /* let our selected interrupt be a magic FIQ interrupt */
 237         __raw_writel(gta02_fiq_ack_mask, S3C2410_INTMOD);
 238
 239         /* it's ready to go as soon as we unmask the source in S3C2410_INTMSK */
 240         local_fiq_enable();
 241
 242         set_fiq_c_handler(gta02_fiq_handler);
 243
 244         return 0;
 245
 246 bail:
 247         printk(KERN_ERR "Could not initialize FIQ for GTA02: %d\n", rc);
 248
 249         return rc;
 250 }
 251
 252 static void gta02_fiq_disable(void)
 253 {
 254         __raw_writel(0, S3C2410_INTMOD);
 255         local_fiq_disable();
 256         gta02_fiq_irq = 0; /* no active source interrupt now either */
 257
 258 }
 259 /* -------------------- /GTA02 FIQ Handler ------------------------------------- */
 260
 261 #endif
 262
 263 /*
 264  * this gets called every 1ms when we paniced.
 265  */
 266
 267 static long gta02_panic_blink(long count)
 268 {
 269         long delay = 0;
 270         static long last_blink;
 271         static char led;
 272
 273         if (count - last_blink < 100) /* 200ms period, fast blink */
 274                 return 0;
 275
 276         led ^= 1;
 277         s3c2410_gpio_cfgpin(GTA02_GPIO_AUX_LED, S3C2410_GPIO_OUTPUT);
 278         gta02_gpb_setpin(GTA02_GPIO_AUX_LED, led);
 279
 280         last_blink = count;
 281         return delay;
 282 }
 283
 284
 285 /**
 286  * returns PCB revision information in b9,b8 and b2,b1,b0
 287  * Pre-GTA02 A6 returns 0x000
 288  *     GTA02 A6 returns 0x101
 289  *     ...
 290  */
 291
 292 int gta02_get_pcb_revision(void)
 293 {
 294         int n;
 295         int u = 0;
 296         static unsigned long pinlist[] = {
 297                 GTA02_PCB_ID1_0,
 298                 GTA02_PCB_ID1_1,
 299                 GTA02_PCB_ID1_2,
 300                 GTA02_PCB_ID2_0,
 301                 GTA02_PCB_ID2_1,
 302         };
 303         static int pin_offset[] = {
 304                 0, 1, 2, 8, 9
 305         };
 306
 307         for (n = 0 ; n < ARRAY_SIZE(pinlist); n++) {
 308                 /*
 309                  * set the PCB version GPIO to be pulled-down input
 310                  * force low briefly first
 311                  */
 312                 s3c2410_gpio_cfgpin(pinlist[n], S3C2410_GPIO_OUTPUT);
 313                 s3c2410_gpio_setpin(pinlist[n], 0);
 314                 /* misnomer: it is a pullDOWN in 2442 */
 315                 s3c2410_gpio_pullup(pinlist[n], 1);
 316                 s3c2410_gpio_cfgpin(pinlist[n], S3C2410_GPIO_INPUT);
 317
 318                 udelay(10);
 319
 320                 if (s3c2410_gpio_getpin(pinlist[n]))
 321                         u |= 1 << pin_offset[n];
 322
 323                 /*
 324                 * when not being interrogated, all of the revision GPIO
 325                 * are set to output HIGH without pulldown so no current flows
 326                 * if they are NC or pulled up.
 327                 */
 328                 s3c2410_gpio_setpin(pinlist[n], 1);
 329                 s3c2410_gpio_cfgpin(pinlist[n], S3C2410_GPIO_OUTPUT);
 330                 /* misnomer: it is a pullDOWN in 2442 */
 331                 s3c2410_gpio_pullup(pinlist[n], 0);
 332         }
 333
 334         return u;
 335 }
 336
 337 struct platform_device gta02_resume_reason_device = {
 338         .name           = "gta02-resume",
 339         .num_resources  = 0,
 340 };
 341
 342 static struct map_desc gta02_iodesc[] __initdata = {
 343         {
 344                 .virtual        = 0xe0000000,
 345                 .pfn            = __phys_to_pfn(S3C2410_CS3+0x01000000),
 346                 .length         = SZ_1M,
 347                 .type           = MT_DEVICE
 348         },
 349 };
 350
 351 #define UCON (S3C2410_UCON_DEFAULT | S3C2443_UCON_RXERR_IRQEN)
 352 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
 353 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
 354
 355 static struct s3c2410_uartcfg gta02_uartcfgs[] = {
 356         [0] = {
 357                 .hwport      = 0,
 358                 .flags       = 0,
 359                 .ucon        = UCON,
 360                 .ulcon       = ULCON,
 361                 .ufcon       = UFCON,
 362         },
 363         [1] = {
 364                 .hwport      = 1,
 365                 .flags       = 0,
 366                 .ucon        = UCON,
 367                 .ulcon       = ULCON,
 368                 .ufcon       = UFCON,
 369         },
 370         [2] = {
 371                 .hwport      = 2,
 372                 .flags       = 0,
 373                 .ucon        = UCON,
 374                 .ulcon       = ULCON,
 375                 .ufcon       = UFCON,
 376         },
 377
 378 };
 379
 380 struct pcf50633 *gta02_pcf;
 381
 382 #ifdef CONFIG_CHARGER_PCF50633
 383 #ifdef CONFIG_HDQ_GPIO_BITBANG
 384 static int gta02_get_charger_online_status(void)
 385 {
 386         struct pcf50633 *pcf = gta02_pcf;
 387
 388         return pcf50633_mbc_get_status(pcf) & PCF50633_MBC_USB_ONLINE;
 389 }
 390
 391 static int gta02_get_charger_active_status(void)
 392 {
 393         struct pcf50633 *pcf = gta02_pcf;
 394
 395         return pcf50633_mbc_get_status(pcf) & PCF50633_MBC_USB_ACTIVE;
 396 }
 397 #endif
 398
 399 #define ADC_NOM_CHG_DETECT_1A 6
 400 #define ADC_NOM_CHG_DETECT_USB 43
 401
 402 static void
 403 gta02_configure_pmu_for_charger(struct pcf50633 *pcf, void *unused, int res)
 404 {
 405         int  ma;
 406
 407         /* Interpret charger type */
 408         if (res < ((ADC_NOM_CHG_DETECT_USB + ADC_NOM_CHG_DETECT_1A) / 2)) {
 409
 410                 /* Stop GPO driving out now that we have a IA charger */
 411                 pcf50633_gpio_set(pcf, PCF50633_GPO, 0);
 412
 413                 ma = 1000;
 414         } else
 415                 ma = 100;
 416
 417         pcf50633_mbc_usb_curlim_set(pcf, ma);
 418 }
 419
 420 static struct delayed_work gta02_charger_work;
 421 static int gta02_usb_vbus_draw;
 422
 423 static void gta02_charger_worker(struct work_struct *work)
 424 {
 425         struct pcf50633 *pcf = gta02_pcf;
 426
 427         if (gta02_usb_vbus_draw) {
 428                 pcf50633_mbc_usb_curlim_set(pcf, gta02_usb_vbus_draw);
 429                 return;
 430         } else {
 431 #ifdef CONFIG_PCF50633_ADC
 432                 pcf50633_adc_async_read(pcf,
 433                         PCF50633_ADCC1_MUX_ADCIN1,
 434                         PCF50633_ADCC1_AVERAGE_16,
 435                         gta02_configure_pmu_for_charger, NULL);
 436 #else
 437                 /* If the PCF50633 ADC is disabled we fallback to a 100mA limit for safety. */
 438                 pcf50633_mbc_usb_curlim_set(pcf, 100);
 439 #endif
 440                 return;
 441         }
 442 }
 443
 444 #define GTA02_CHARGER_CONFIGURE_TIMEOUT ((3000 * HZ) / 1000)
 445 static void gta02_pmu_event_callback(struct pcf50633 *pcf, int irq)
 446 {
 447         if (irq == PCF50633_IRQ_USBINS) {
 448                 schedule_delayed_work(&gta02_charger_work,
 449                                 GTA02_CHARGER_CONFIGURE_TIMEOUT);
 450                 return;
 451         } else if (irq == PCF50633_IRQ_USBREM) {
 452                 cancel_delayed_work_sync(&gta02_charger_work);
 453                 gta02_usb_vbus_draw = 0;
 454         }
 455 }
 456
 457 static void gta02_pmu_force_shutdown(struct pcf50633 *pcf)
 458 {
 459         pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_OOCSHDWN,
 460                         PCF50633_OOCSHDWN_GOSTDBY, PCF50633_OOCSHDWN_GOSTDBY);
 461 }
 462
 463
 464 static void gta02_udc_vbus_draw(unsigned int ma)
 465 {
 466         if (!gta02_pcf)
 467                 return;
 468
 469         gta02_usb_vbus_draw = ma;
 470
 471         schedule_delayed_work(&gta02_charger_work,
 472                                 GTA02_CHARGER_CONFIGURE_TIMEOUT);
 473 }
 474
 475 static int gta02_udc_vbus_status(void)
 476 {
 477         struct pcf50633 *pcf = gta02_pcf;
 478         if (!gta02_pcf)
 479                 return -ENODEV;
 480
 481         return !!(pcf50633_mbc_get_status(pcf) & PCF50633_MBC_USB_ONLINE);
 482 }
 483
 484 #else /* !CONFIG_CHARGER_PCF50633 */
 485 #ifdef CONFIG_HDQ_GPIO_BITBANG
 486 #define gta02_get_charger_online_status NULL
 487 #define gta02_get_charger_active_status NULL
 488 #endif
 489 #define gta02_pmu_event_callback        NULL
 490 #define gta02_udc_vbus_draw             NULL
 491 #define gta02_udc_vbus_status           NULL
 492 #endif
 493
 494
 495 static struct platform_device gta02_pm_gps_dev = {
 496         .name           = "gta02-pm-gps",
 497 };
 498
 499 static struct platform_device gta02_pm_bt_dev = {
 500         .name           = "gta02-pm-bt",
 501 };
 502
 503 static struct platform_device gta02_pm_gsm_dev = {
 504         .name           = "gta02-pm-gsm",
 505 };
 506
 507 static struct platform_device gta02_pm_wlan_dev = {
 508         .name           = "gta02-pm-wlan",
 509 };
 510
 511 /* this is called when pc50633 is probed, unfortunately quite late in the
 512  * day since it is an I2C bus device.  Here we can belatedly define some
 513  * platform devices with the advantage that we can mark the pcf50633 as the
 514  * parent.  This makes them get suspended and resumed with their parent
 515  * the pcf50633 still around.
 516  */
 517
 518 static struct platform_device gta02_glamo_dev;
 519 static void mangle_glamo_res_by_system_rev(void);
 520
 521 static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf);
 522 static void gta02_pmu_regulator_registered(struct pcf50633 *pcf, int id);
 523
 524 static struct regulator_consumer_supply ldo4_consumers[] = {
 525         {
 526                 .dev = &gta02_pm_bt_dev.dev,
 527                 .supply = "BT_3V2",
 528         },
 529 };
 530
 531 static struct regulator_consumer_supply ldo5_consumers[] = {
 532         {
 533                 .dev = &gta02_pm_gps_dev.dev,
 534                 .supply = "RF_3V",
 535         },
 536 };
 537
 538 static struct regulator_consumer_supply hcldo_consumers[] = {
 539         {
 540                 .dev = &gta02_glamo_dev.dev,
 541                 .supply = "SD_3V3",
 542         },
 543 };
 544
 545 static char *gta02_batteries[] = {
 546         "battery",
 547 };
 548
 549 #ifdef CONFIG_CHARGER_PCF50633
 550
 551 struct pcf50633_platform_data gta02_pcf_pdata = {
 552         .resumers = {
 553                 [0] =   PCF50633_INT1_USBINS |
 554                         PCF50633_INT1_USBREM |
 555                         PCF50633_INT1_ALARM,
 556                 [1] =   PCF50633_INT2_ONKEYF,
 557                 [2] =   PCF50633_INT3_ONKEY1S,
 558                 [3] =   PCF50633_INT4_LOWSYS |
 559                         PCF50633_INT4_LOWBAT |
 560                         PCF50633_INT4_HIGHTMP,
 561         },
 562
 563         .batteries = gta02_batteries,
 564         .num_batteries = ARRAY_SIZE(gta02_batteries),
 565         .charging_restart_interval = (900 * HZ),
 566         .chg_ref_current_ma = 1000,
 567
 568         .reg_init_data = {
 569                 [PCF50633_REGULATOR_AUTO] = {
 570                         .constraints = {
 571                                 .name = "IO_3V3",
 572                                 .min_uV = 3300000,
 573                                 .max_uV = 3300000,
 574                                 .valid_modes_mask = REGULATOR_MODE_NORMAL,
 575                                 .boot_on = 1,
 576                                 .apply_uV = 1,
 577                                 .state_mem = {
 578                                         .enabled = 1,
 579                                 },
 580                         },
 581                         .num_consumer_supplies = 0,
 582                 },
 583                 [PCF50633_REGULATOR_DOWN1] = {
 584                         .constraints = {
 585                                 .name = "CORE_1V3",
 586                                 .min_uV = 1300000,
 587                                 .max_uV = 1600000,
 588                                 .valid_modes_mask = REGULATOR_MODE_NORMAL,
 589                                 .boot_on = 1,
 590                                 .apply_uV = 1,
 591                         },
 592                         .num_consumer_supplies = 0,
 593                 },
 594                 [PCF50633_REGULATOR_DOWN2] = {
 595                         .constraints = {
 596                                 .name = "IO_1V8",
 597                                 .min_uV = 1800000,
 598                                 .max_uV = 1800000,
 599                                 .valid_modes_mask = REGULATOR_MODE_NORMAL,
 600                                 .apply_uV = 1,
 601                                 .boot_on = 1,
 602                                 .state_mem = {
 603                                         .enabled = 1,
 604                                 },
 605                         },
 606                         .num_consumer_supplies = 0,
 607                 },
 608                 [PCF50633_REGULATOR_HCLDO] = {
 609                         .constraints = {
 610                                 .name = "SD_3V3",
 611                                 .min_uV = 2000000,
 612                                 .max_uV = 3300000,
 613                                 .valid_modes_mask = REGULATOR_MODE_NORMAL,
 614                                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 615                                 .boot_on = 1,
 616                         },
 617                         .num_consumer_supplies = 1,
 618                         .consumer_supplies = hcldo_consumers,
 619                 },
 620                 [PCF50633_REGULATOR_LDO1] = {
 621                         .constraints = {
 622                                 .name = "GSENSOR_3V3",
 623                                 .min_uV = 1300000,
 624                                 .max_uV = 1300000,
 625                                 .valid_modes_mask = REGULATOR_MODE_NORMAL,
 626                                 .apply_uV = 1,
 627                         },
 628                         .num_consumer_supplies = 0,
 629                 },
 630                 [PCF50633_REGULATOR_LDO2] = {
 631                         .constraints = {
 632                                 .name = "CODEC_3V3",
 633                                 .min_uV = 3300000,
 634                                 .max_uV = 3300000,
 635                                 .valid_modes_mask = REGULATOR_MODE_NORMAL,
 636                                 .apply_uV = 1,
 637                         },
 638                         .num_consumer_supplies = 0,
 639                 },
 640                 [PCF50633_REGULATOR_LDO3] = {
 641                         .constraints = {
 642                                 .min_uV = 3000000,
 643                                 .max_uV = 3000000,
 644                                 .valid_modes_mask = REGULATOR_MODE_NORMAL,
 645                                 .apply_uV = 1,
 646                         },
 647                         .num_consumer_supplies = 0,
 648                 },
 649                 [PCF50633_REGULATOR_LDO4] = {
 650                         .constraints = {
 651                                 .name = "BT_3V2",
 652                                 .min_uV = 3200000,
 653                                 .max_uV = 3200000,
 654                                 .valid_modes_mask = REGULATOR_MODE_NORMAL,
 655                                 .apply_uV = 1,
 656                         },
 657                         .num_consumer_supplies = 1,
 658                         .consumer_supplies = ldo4_consumers,
 659                 },
 660                 [PCF50633_REGULATOR_LDO5] = {
 661                         .constraints = {
 662                                 .name = "RF_3V",
 663                                 .min_uV = 1500000,
 664                                 .max_uV = 1500000,
 665                                 .valid_modes_mask = REGULATOR_MODE_NORMAL,
 666                                 .apply_uV = 1,
 667                                 .state_mem = {
 668                                         .enabled = 1,
 669                                 },
 670                         },
 671                         .num_consumer_supplies = 1,
 672                         .consumer_supplies = ldo5_consumers,
 673                 },
 674                 [PCF50633_REGULATOR_LDO6] = {
 675                         .constraints = {
 676                                 .name = "LCM_3V",
 677                                 .min_uV = 0,
 678                                 .max_uV = 3300000,
 679                                 .valid_modes_mask = REGULATOR_MODE_NORMAL,
 680                         },
 681                         .num_consumer_supplies = 0,
 682                 },
 683                 [PCF50633_REGULATOR_MEMLDO] = {
 684                         .constraints = {
 685                                 .min_uV = 1800000,
 686                                 .max_uV = 1800000,
 687                                 .valid_modes_mask = REGULATOR_MODE_NORMAL,
 688                                 .state_mem = {
 689                                         .enabled = 1,
 690                                 },
 691                         },
 692                         .num_consumer_supplies = 0,
 693                 },
 694
 695         },
 696         .probe_done = gta02_pmu_attach_child_devices,
 697         .regulator_registered = gta02_pmu_regulator_registered,
 698         .mbc_event_callback = gta02_pmu_event_callback,
 699         .force_shutdown = gta02_pmu_force_shutdown,
 700 };
 701
 702 static void mangle_pmu_pdata_by_system_rev(void)
 703 {
 704         struct regulator_init_data *reg_init_data;
 705
 706         reg_init_data = gta02_pcf_pdata.reg_init_data;
 707
 708         switch (S3C_SYSTEM_REV_ATAG) {
 709         case GTA02v1_SYSTEM_REV:
 710                 /* FIXME: this is only in v1 due to wrong PMU variant */
 711                 reg_init_data[PCF50633_REGULATOR_DOWN2]
 712                                         .constraints.state_mem.enabled = 1;
 713                 break;
 714         case GTA02v2_SYSTEM_REV:
 715         case GTA02v3_SYSTEM_REV:
 716         case GTA02v4_SYSTEM_REV:
 717         case GTA02v5_SYSTEM_REV:
 718         case GTA02v6_SYSTEM_REV:
 719                 reg_init_data[PCF50633_REGULATOR_LDO1]
 720                                         .constraints.min_uV = 3300000;
 721                 reg_init_data[PCF50633_REGULATOR_LDO1]
 722                                         .constraints.min_uV = 3300000;
 723                 reg_init_data[PCF50633_REGULATOR_LDO1]
 724                                         .constraints.state_mem.enabled = 0;
 725
 726                 reg_init_data[PCF50633_REGULATOR_LDO5]
 727                                         .constraints.min_uV = 3000000;
 728                 reg_init_data[PCF50633_REGULATOR_LDO5]
 729                                         .constraints.max_uV = 3000000;
 730
 731                 reg_init_data[PCF50633_REGULATOR_LDO6]
 732                                         .constraints.min_uV = 3000000;
 733                 reg_init_data[PCF50633_REGULATOR_LDO6]
 734                                         .constraints.max_uV = 3000000;
 735                 reg_init_data[PCF50633_REGULATOR_LDO6]
 736                                         .constraints.apply_uV = 1;
 737                 break;
 738         default:
 739                 break;
 740         }
 741 }
 742
 743 #endif
 744
 745 #ifdef CONFIG_HDQ_GPIO_BITBANG
 746 /* BQ27000 Battery */
 747
 748 struct bq27000_platform_data bq27000_pdata = {
 749         .name = "battery",
 750         .rsense_mohms = 20,
 751         .hdq_read = hdq_read,
 752         .hdq_write = hdq_write,
 753         .hdq_initialized = hdq_initialized,
 754         .get_charger_online_status = gta02_get_charger_online_status,
 755         .get_charger_active_status = gta02_get_charger_active_status
 756 };
 757
 758 struct platform_device bq27000_battery_device = {
 759         .name           = "bq27000-battery",
 760         .dev = {
 761                 .platform_data = &bq27000_pdata,
 762         },
 763 };
 764
 765 /* HDQ */
 766
 767 static void gta02_hdq_attach_child_devices(struct device *parent_device)
 768 {
 769         switch (S3C_SYSTEM_REV_ATAG) {
 770         case GTA02v5_SYSTEM_REV:
 771         case GTA02v6_SYSTEM_REV:
 772                 bq27000_battery_device.dev.parent = parent_device;
 773                 platform_device_register(&bq27000_battery_device);
 774                 break;
 775         default:
 776                 break;
 777         }
 778 }
 779
 780 static void gta02_hdq_gpio_direction_out(void)
 781 {
 782         s3c2410_gpio_cfgpin(GTA02v5_GPIO_HDQ, S3C2410_GPIO_OUTPUT);
 783 }
 784
 785 static void gta02_hdq_gpio_direction_in(void)
 786 {
 787         s3c2410_gpio_cfgpin(GTA02v5_GPIO_HDQ, S3C2410_GPIO_INPUT);
 788 }
 789
 790 static void gta02_hdq_gpio_set_value(int val)
 791 {
 792
 793         s3c2410_gpio_setpin(GTA02v5_GPIO_HDQ, val);
 794 }
 795
 796 static int gta02_hdq_gpio_get_value(void)
 797 {
 798         return s3c2410_gpio_getpin(GTA02v5_GPIO_HDQ);
 799 }
 800
 801 static struct resource gta02_hdq_resources[] = {
 802         [0] = {
 803                 .start  = GTA02v5_GPIO_HDQ,
 804                 .end    = GTA02v5_GPIO_HDQ,
 805         },
 806 };
 807
 808 struct hdq_platform_data gta02_hdq_platform_data = {
 809         .attach_child_devices = gta02_hdq_attach_child_devices,
 810         .gpio_dir_out = gta02_hdq_gpio_direction_out,
 811         .gpio_dir_in = gta02_hdq_gpio_direction_in,
 812         .gpio_set = gta02_hdq_gpio_set_value,
 813         .gpio_get = gta02_hdq_gpio_get_value,
 814
 815         .enable_fiq = gta02_fiq_enable,
 816         .disable_fiq = gta02_fiq_disable,
 817         .kick_fiq = gta02_fiq_kick,
 818
 819 };
 820
 821 struct platform_device gta02_hdq_device = {
 822         .name           = "hdq",
 823         .num_resources  = 1,
 824         .resource       = gta02_hdq_resources,
 825         .dev            = {
 826                 .platform_data = &gta02_hdq_platform_data,
 827         },
 828 };
 829 #endif
 830
 831
 832 #ifdef CONFIG_LEDS_GTA02_VIBRATOR
 833 /* vibrator (child of FIQ) */
 834
 835 static struct resource gta02_vibrator_resources[] = {
 836         [0] = {
 837                 .start  = GTA02_GPIO_VIBRATOR_ON,
 838                 .end    = GTA02_GPIO_VIBRATOR_ON,
 839         },
 840 };
 841 struct gta02_vib_platform_data gta02_vib_pdata = {
 842         .enable_fiq = gta02_fiq_enable,
 843         .disable_fiq = gta02_fiq_disable,
 844         .kick_fiq = gta02_fiq_kick,
 845 };
 846
 847 static struct platform_device gta02_vibrator_dev = {
 848         .name           = "gta02-vibrator",
 849         .num_resources  = ARRAY_SIZE(gta02_vibrator_resources),
 850         .resource       = gta02_vibrator_resources,
 851         .dev     = {
 852                 .platform_data = &gta02_vib_pdata,
 853                 },
 854 };
 855 #endif
 856
 857 /* NOR Flash */
 858
 859 #define GTA02_FLASH_BASE        S3C2410_CS3 /* GCS3 */
 860 #define GTA02_FLASH_SIZE        0x200000 /* 2MBytes */
 861
 862 static struct physmap_flash_data gta02_nor_flash_data = {
 863         .width          = 2,
 864 };
 865
 866 static struct resource gta02_nor_flash_resource = {
 867         .start          = GTA02_FLASH_BASE,
 868         .end            = GTA02_FLASH_BASE + GTA02_FLASH_SIZE - 1,
 869         .flags          = IORESOURCE_MEM,
 870 };
 871
 872 static struct platform_device gta02_nor_flash = {
 873         .name           = "physmap-flash",
 874         .id             = 0,
 875         .dev            = {
 876                                 .platform_data  = &gta02_nor_flash_data,
 877                         },
 878         .resource       = &gta02_nor_flash_resource,
 879         .num_resources  = 1,
 880 };
 881
 882
 883 struct platform_device s3c24xx_pwm_device = {
 884         .name           = "s3c24xx_pwm",
 885         .num_resources  = 0,
 886 };
 887
 888 static struct i2c_board_info gta02_i2c_devs[] __initdata = {
 889         {
 890                 I2C_BOARD_INFO("pcf50633", 0x73),
 891                 .irq = GTA02_IRQ_PCF50633,
 892                 .platform_data = &gta02_pcf_pdata,
 893         },
 894         {
 895                 I2C_BOARD_INFO("wm8753", 0x1a),
 896         },
 897 };
 898
 899 static struct s3c2410_nand_set gta02_nand_sets[] = {
 900         [0] = {
 901                 .name           = "neo1973-nand",
 902                 .nr_chips       = 1,
 903                 .flags          = S3C2410_NAND_BBT,
 904         },
 905 };
 906
 907 /* choose a set of timings derived from S3C@2442B MCP54
 908  * data sheet (K5D2G13ACM-D075 MCP Memory)
 909  */
 910
 911 static struct s3c2410_platform_nand gta02_nand_info = {
 912         .tacls          = 0,
 913         .twrph0         = 25,
 914         .twrph1         = 15,
 915         .nr_sets        = ARRAY_SIZE(gta02_nand_sets),
 916         .sets           = gta02_nand_sets,
 917         .software_ecc   = 1,
 918 };
 919
 920
 921 static void gta02_s3c_mmc_set_power(unsigned char power_mode,
 922     unsigned short vdd)
 923 {
 924         static int is_on = -1;
 925         int on;
 926
 927         on = power_mode == MMC_POWER_ON || power_mode == MMC_POWER_UP;
 928         if (is_on != on)
 929                 gta02_wlan_reset(!on);
 930         is_on = on;
 931 }
 932
 933
 934 static struct s3c24xx_mci_pdata gta02_s3c_mmc_cfg = {
 935         .set_power      = gta02_s3c_mmc_set_power,
 936 };
 937
 938 static void gta02_udc_command(enum s3c2410_udc_cmd_e cmd)
 939 {
 940         switch (cmd) {
 941         case S3C2410_UDC_P_ENABLE:
 942                 printk(KERN_DEBUG "%s S3C2410_UDC_P_ENABLE\n", __func__);
 943             gta02_gpb_setpin(GTA02_GPIO_USB_PULLUP, 1);
 944                 break;
 945         case S3C2410_UDC_P_DISABLE:
 946                 printk(KERN_DEBUG "%s S3C2410_UDC_P_DISABLE\n", __func__);
 947                 gta02_gpb_setpin(GTA02_GPIO_USB_PULLUP, 0);
 948                 break;
 949         case S3C2410_UDC_P_RESET:
 950                 printk(KERN_DEBUG "%s S3C2410_UDC_P_RESET\n", __func__);
 951                 /* FIXME! */
 952                 break;
 953         default:
 954                 break;
 955         }
 956 }
 957
 958 /* get PMU to set USB current limit accordingly */
 959
 960 static struct s3c2410_udc_mach_info gta02_udc_cfg = {
 961         .vbus_draw      = gta02_udc_vbus_draw,
 962         .udc_command    = gta02_udc_command,
 963 /*      .get_vbus_status = gta02_udc_vbus_status,*/
 964 };
 965
 966
 967 /* Touchscreen configuration. */
 968
 969 #ifdef CONFIG_TOUCHSCREEN_FILTER
 970 const static struct ts_filter_group_configuration gta02_ts_group = {
 971         .length = 12,
 972         .close_enough = 10,
 973         .threshold = 6,         /* At least half of the points in a group. */
 974         .attempts = 10,
 975 };
 976
 977 const static struct ts_filter_median_configuration gta02_ts_median = {
 978         .extent = 20,
 979         .decimation_below = 3,
 980         .decimation_threshold = 8 * 3,
 981         .decimation_above = 4,
 982 };
 983
 984 const static struct ts_filter_mean_configuration gta02_ts_mean = {
 985         .length = 4,
 986 };
 987
 988 const static struct ts_filter_linear_configuration gta02_ts_linear = {
 989         .constants = {1, 0, 0, 0, 1, 0, 1},     /* Don't modify coords. */
 990         .coord0 = 0,
 991         .coord1 = 1,
 992 };
 993 #endif
 994
 995 const static struct ts_filter_chain_configuration gta02_filter_configuration[] =
 996 {
 997 #ifdef CONFIG_TOUCHSCREEN_FILTER
 998         {&ts_filter_group_api,          &gta02_ts_group.config},
 999         {&ts_filter_median_api,         &gta02_ts_median.config},
1000         {&ts_filter_mean_api,           &gta02_ts_mean.config},
1001         {&ts_filter_linear_api,         &gta02_ts_linear.config},
1002 #endif
1003         {NULL, NULL},
1004 };
1005
1006 const static struct s3c2410_ts_mach_info gta02_ts_cfg = {
1007         .delay = 10000,
1008         .presc = 0xff, /* slow as we can go */
1009         .filter_config = gta02_filter_configuration,
1010 };
1011
1012
1013
1014 static void gta02_bl_set_intensity(int intensity)
1015 {
1016         struct pcf50633 *pcf = gta02_pcf;
1017         int old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT);
1018         int ret;
1019
1020         intensity >>= 2;
1021
1022         /*
1023          * One code path that leads here is from a kernel panic. Trying to turn
1024          * the backlight on just gives us a nearly endless stream of complaints
1025          * and accomplishes nothing. We can't win. Just give up.
1026          *
1027          * In the unlikely event that there's another path leading here while
1028          * we're atomic, we print at least a warning.
1029          */
1030         if (in_atomic()) {
1031                 printk(KERN_ERR
1032                     "gta02_bl_set_intensity called while atomic\n");
1033                 return;
1034         }
1035
1036         if (!(pcf50633_reg_read(pcf, PCF50633_REG_LEDENA) & 3))
1037                 old_intensity = 0;
1038         else
1039                 old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT);
1040
1041         if (intensity == old_intensity)
1042                 return;
1043
1044         /* We can't do this anywhere else */
1045         pcf50633_reg_write(pcf, PCF50633_REG_LEDDIM, 5);
1046
1047         /*
1048          * The PCF50633 cannot handle LEDOUT = 0 (datasheet p60)
1049          * if seen, you have to re-enable the LED unit
1050          */
1051         if (!intensity || !old_intensity)
1052                 pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0);
1053
1054         if (!intensity) /* illegal to set LEDOUT to 0 */
1055                 ret = pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f,
1056                                                                              2);
1057         else
1058                 ret = pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f,
1059                                intensity);
1060
1061         if (intensity)
1062                 pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 2);
1063
1064 }
1065
1066 static struct generic_bl_info gta02_bl_info = {
1067         .name                   = "gta02-bl",
1068         .max_intensity          = 0xff,
1069         .default_intensity      = 0xff,
1070         .set_bl_intensity       = gta02_bl_set_intensity,
1071 };
1072
1073 static struct platform_device gta02_bl_dev = {
1074         .name             = "generic-bl",
1075         .id               = 1,
1076         .dev = {
1077                 .platform_data = &gta02_bl_info,
1078         },
1079 };
1080
1081 /* SPI: LCM control interface attached to Glamo3362 */
1082
1083 static void gta02_jbt6k74_reset(int devidx, int level)
1084 {
1085         glamo_lcm_reset(&gta02_glamo_dev, level);
1086 }
1087
1088 static void gta02_jbt6k74_probe_completed(struct device *dev)
1089 {
1090         struct pcf50633 *pcf = gta02_pcf;
1091
1092         /* Switch on backlight. Qi does not do it for us */
1093         pcf50633_reg_write(pcf, PCF50633_REG_LEDOUT, 0x01);
1094         pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0x00);
1095         pcf50633_reg_write(pcf, PCF50633_REG_LEDDIM, 0x01);
1096         pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0x01);
1097
1098         gta02_bl_dev.dev.parent = dev;
1099         platform_device_register(&gta02_bl_dev);
1100 }
1101
1102 const struct jbt6k74_platform_data jbt6k74_pdata = {
1103         .reset          = gta02_jbt6k74_reset,
1104         .probe_completed = gta02_jbt6k74_probe_completed,
1105 };
1106
1107 static struct glamo_spigpio_info glamo_spigpio_cfg = {
1108         .pin_clk        = GLAMO_GPIO10_OUTPUT,
1109         .pin_mosi       = GLAMO_GPIO11_OUTPUT,
1110         .pin_cs         = GLAMO_GPIO12_OUTPUT,
1111         .pin_miso       = 0,
1112         .bus_num        = 2,
1113 };
1114
1115 /*----------- SPI: Accelerometers attached to SPI of s3c244x ----------------- */
1116
1117 void gta02_lis302dl_suspend_io(struct lis302dl_info *lis, int resume)
1118 {
1119         struct lis302dl_platform_data *pdata = lis->pdata;
1120
1121         if (!resume) {
1122                  /*
1123                  * we don't want to power them with a high level
1124                  * because GSENSOR_3V3 is not up during suspend
1125                  */
1126                 s3c2410_gpio_setpin(pdata->pin_chip_select, 0);
1127                 s3c2410_gpio_setpin(pdata->pin_clk, 0);
1128                 s3c2410_gpio_setpin(pdata->pin_mosi, 0);
1129                 /* misnomer: it is a pullDOWN in 2442 */
1130                 s3c2410_gpio_pullup(pdata->pin_miso, 1);
1131                 return;
1132         }
1133
1134         /* back to normal */
1135         s3c2410_gpio_setpin(pdata->pin_chip_select, 1);
1136         s3c2410_gpio_setpin(pdata->pin_clk, 1);
1137         /* misnomer: it is a pullDOWN in 2442 */
1138         s3c2410_gpio_pullup(pdata->pin_miso, 0);
1139
1140         s3c2410_gpio_cfgpin(pdata->pin_chip_select, S3C2410_GPIO_OUTPUT);
1141         s3c2410_gpio_cfgpin(pdata->pin_clk, S3C2410_GPIO_OUTPUT);
1142         s3c2410_gpio_cfgpin(pdata->pin_mosi, S3C2410_GPIO_OUTPUT);
1143         s3c2410_gpio_cfgpin(pdata->pin_miso, S3C2410_GPIO_INPUT);
1144
1145 }
1146
1147 struct lis302dl_platform_data lis302_pdata_top = {
1148                 .name           = "lis302-1 (top)",
1149                 .pin_chip_select= S3C2410_GPD12,
1150                 .pin_clk        = S3C2410_GPG7,
1151                 .pin_mosi       = S3C2410_GPG6,
1152                 .pin_miso       = S3C2410_GPG5,
1153                 .interrupt      = GTA02_IRQ_GSENSOR_1,
1154                 .open_drain     = 1, /* altered at runtime by PCB rev */
1155                 .lis302dl_suspend_io = gta02_lis302dl_suspend_io,
1156 };
1157
1158 struct lis302dl_platform_data lis302_pdata_bottom = {
1159                 .name           = "lis302-2 (bottom)",
1160                 .pin_chip_select= S3C2410_GPD13,
1161                 .pin_clk        = S3C2410_GPG7,
1162                 .pin_mosi       = S3C2410_GPG6,
1163                 .pin_miso       = S3C2410_GPG5,
1164                 .interrupt      = GTA02_IRQ_GSENSOR_2,
1165                 .open_drain     = 1, /* altered at runtime by PCB rev */
1166                 .lis302dl_suspend_io = gta02_lis302dl_suspend_io,
1167 };
1168
1169 static struct spi_board_info gta02_spi_board_info[] = {
1170         {
1171                 .modalias       = "jbt6k74",
1172                 /* platform_data */
1173                 .platform_data  = &jbt6k74_pdata,
1174                 /* controller_data */
1175                 /* irq */
1176                 .max_speed_hz   = 100 * 1000,
1177                 .bus_num        = 2,
1178                 /* chip_select */
1179         },
1180         {
1181                 .modalias       = "lis302dl",
1182                 /* platform_data */
1183                 .platform_data  = &lis302_pdata_top,
1184                 /* controller_data */
1185                 /* irq */
1186                 .max_speed_hz   = 100 * 1000,
1187                 .bus_num        = 3,
1188                 .chip_select    = 0,
1189         },
1190
1191         {
1192                 .modalias       = "lis302dl",
1193                 /* platform_data */
1194                 .platform_data  = &lis302_pdata_bottom,
1195                 /* controller_data */
1196                 /* irq */
1197                 .max_speed_hz   = 100 * 1000,
1198                 .bus_num        = 3,
1199                 .chip_select    = 1,
1200         },
1201
1202 };
1203
1204 static void gta02_lis302_chip_select(struct s3c2410_spigpio_info *info, int csid, int cs)
1205 {
1206
1207         /*
1208          * Huh... "quirk"... CS on this device is not really "CS" like you can
1209          * expect.
1210          *
1211          * When it is 0 it selects SPI interface mode.
1212          * When it is 1 it selects I2C interface mode.
1213          *
1214          * Because we have 2 devices on one interface we have to make sure
1215          * that the "disabled" device (actually in I2C mode) don't think we're
1216          * talking to it.
1217          *
1218          * When we talk to the "enabled" device, the "disabled" device sees
1219          * the clocks as I2C clocks, creating havoc.
1220          *
1221          * I2C sees MOSI going LOW while CLK HIGH as a START action, thus we
1222          * must ensure this is never issued.
1223          */
1224
1225         int cs_gpio, other_cs_gpio;
1226
1227         cs_gpio = csid ? S3C2410_GPD13 : S3C2410_GPD12;
1228         other_cs_gpio = (1 - csid) ? S3C2410_GPD13 : S3C2410_GPD12;
1229
1230
1231         if (cs == BITBANG_CS_ACTIVE) {
1232                 s3c2410_gpio_setpin(other_cs_gpio, 1);
1233                 s3c2410_gpio_setpin(cs_gpio, 1);
1234                 s3c2410_gpio_setpin(info->pin_clk, 1);
1235                 s3c2410_gpio_setpin(cs_gpio, 0);
1236         } else {
1237                 s3c2410_gpio_setpin(cs_gpio, 1);
1238                 s3c2410_gpio_setpin(other_cs_gpio, 1);
1239         }
1240 }
1241
1242 static struct s3c2410_spigpio_info gta02_spigpio_cfg = {
1243         .pin_clk        = S3C2410_GPG7,
1244         .pin_mosi       = S3C2410_GPG6,
1245         .pin_miso       = S3C2410_GPG5,
1246         .bus_num        = 3,
1247         .num_chipselect = 2,
1248         .chip_select    = gta02_lis302_chip_select,
1249         .non_blocking_transfer = 1,
1250 };
1251
1252 static struct platform_device gta02_spi_gpio_dev = {
1253         .name           = "spi_s3c24xx_gpio",
1254         .dev = {
1255                 .platform_data = &gta02_spigpio_cfg,
1256         },
1257 };
1258
1259 /*----------- / SPI: Accelerometers attached to SPI of s3c244x ----------------- */
1260
1261 static struct resource gta02_led_resources[] = {
1262         {
1263                 .name   = "gta02-power:orange",
1264                 .start  = GTA02_GPIO_PWR_LED1,
1265                 .end    = GTA02_GPIO_PWR_LED1,
1266         }, {
1267                 .name   = "gta02-power:blue",
1268                 .start  = GTA02_GPIO_PWR_LED2,
1269                 .end    = GTA02_GPIO_PWR_LED2,
1270         }, {
1271                 .name   = "gta02-aux:red",
1272                 .start  = GTA02_GPIO_AUX_LED,
1273                 .end    = GTA02_GPIO_AUX_LED,
1274         },
1275 };
1276
1277 struct platform_device gta02_led_dev = {
1278         .name           = "gta02-led",
1279         .num_resources  = ARRAY_SIZE(gta02_led_resources),
1280         .resource       = gta02_led_resources,
1281 };
1282
1283 static struct resource gta02_button_resources[] = {
1284         [0] = {
1285                 .start = GTA02_GPIO_AUX_KEY,
1286                 .end   = GTA02_GPIO_AUX_KEY,
1287         },
1288         [1] = {
1289                 .start = GTA02_GPIO_HOLD_KEY,
1290                 .end   = GTA02_GPIO_HOLD_KEY,
1291         },
1292         [2] = {
1293                 .start = GTA02_GPIO_JACK_INSERT,
1294                 .end   = GTA02_GPIO_JACK_INSERT,
1295         },
1296         [3] = {
1297                 .start = 0,
1298                 .end   = 0,
1299         },
1300         [4] = {
1301                 .start = 0,
1302                 .end   = 0,
1303         },
1304 };
1305
1306 static struct platform_device gta02_button_dev = {
1307         .name           = "gta02-button",
1308         .num_resources  = ARRAY_SIZE(gta02_button_resources),
1309         .resource       = gta02_button_resources,
1310 };
1311
1312 static struct platform_device gta02_pm_usbhost_dev = {
1313         .name           = "gta02-pm-host",
1314 };
1315
1316
1317 /* USB */
1318 static struct s3c2410_hcd_info gta02_usb_info = {
1319         .port[0]        = {
1320                 .flags  = S3C_HCDFLG_USED,
1321         },
1322         .port[1]        = {
1323                 .flags  = 0,
1324         },
1325 };
1326
1327 static int glamo_irq_is_wired(void)
1328 {
1329         int rc;
1330         int count = 0;
1331
1332         /*
1333         * GTA02 S-Media IRQs prior to A5 are broken due to a lack of
1334         * a pullup on the INT# line.  Check for the bad behaviour.
1335         */
1336         s3c2410_gpio_setpin(S3C2410_GPG4, 0);
1337         s3c2410_gpio_cfgpin(S3C2410_GPG4, S3C2410_GPG4_OUTP);
1338         s3c2410_gpio_cfgpin(S3C2410_GPG4, S3C2410_GPG4_INP);
1339         /*
1340         * we force it low ourselves for a moment and resume being input.
1341         * If there is a pullup, it won't stay low for long.  But if the
1342         * level converter is there as on < A5 revision, the weak keeper
1343         * on the input of the LC will hold the line low indefinitiely
1344         */
1345         do
1346                 rc = s3c2410_gpio_getpin(S3C2410_GPG4);
1347         while ((!rc) && ((count++) < 10));
1348         if (rc) { /* it got pulled back up, it's good */
1349                 printk(KERN_INFO "Detected S-Media IRQ# pullup, "
1350                 "enabling interrupt\n");
1351                 return 0;
1352         } else  /* Gah we can't work with this level converter */
1353                 printk(KERN_WARNING "** Detected bad IRQ# circuit found"
1354                 " on pre-A5 GTA02: S-Media interrupt disabled **\n");
1355         return -ENODEV;
1356 }
1357
1358 static int gta02_glamo_can_set_mmc_power(void)
1359 {
1360         switch (S3C_SYSTEM_REV_ATAG) {
1361                 case GTA02v3_SYSTEM_REV:
1362                 case GTA02v4_SYSTEM_REV:
1363                 case GTA02v5_SYSTEM_REV:
1364                 case GTA02v6_SYSTEM_REV:
1365                         return 1;
1366         }
1367
1368         return 0;
1369 }
1370
1371 /* Smedia Glamo 3362 */
1372
1373 /*
1374  * we crank down SD Card clock dynamically when GPS is powered
1375  */
1376
1377 static int gta02_glamo_mci_use_slow(void)
1378 {
1379         return gta02_pm_gps_is_on();
1380 }
1381
1382 static void gta02_glamo_external_reset(int level)
1383 {
1384         s3c2410_gpio_setpin(GTA02_GPIO_3D_RESET, level);
1385         s3c2410_gpio_cfgpin(GTA02_GPIO_3D_RESET, S3C2410_GPIO_OUTPUT);
1386 }
1387
1388 static struct fb_videomode gta02_glamo_modes[] = {
1389         {
1390                 .name = "480x640",
1391                 .xres = 480,
1392                 .yres = 640,
1393                 .pixclock       = 40816,
1394                 .left_margin    = 8,
1395                 .right_margin   = 16,
1396                 .upper_margin   = 2,
1397                 .lower_margin   = 16,
1398                 .hsync_len      = 8,
1399                 .vsync_len      = 2,
1400                 .vmode = FB_VMODE_NONINTERLACED,
1401         }, {
1402                 .name = "240x320",
1403                 .xres = 240,
1404                 .yres = 320,
1405                 .pixclock       = 40816,
1406                 .left_margin    = 8,
1407                 .right_margin   = 16,
1408                 .upper_margin   = 2,
1409                 .lower_margin   = 16,
1410                 .hsync_len      = 8,
1411                 .vsync_len      = 2,
1412                 .vmode = FB_VMODE_NONINTERLACED,
1413         }
1414 };
1415
1416
1417 static struct glamofb_platform_data gta02_glamo_pdata = {
1418         .width          = 43,
1419         .height         = 58,
1420
1421         .num_modes = ARRAY_SIZE(gta02_glamo_modes),
1422         .modes = gta02_glamo_modes,
1423
1424         .spigpio_info   = &glamo_spigpio_cfg,
1425
1426         /* glamo MMC function platform data */
1427         .glamo_can_set_mci_power = gta02_glamo_can_set_mmc_power,
1428         .glamo_mci_use_slow = gta02_glamo_mci_use_slow,
1429         .glamo_irq_is_wired = glamo_irq_is_wired,
1430         .glamo_external_reset = gta02_glamo_external_reset
1431 };
1432
1433 static struct resource gta02_glamo_resources[] = {
1434         [0] = {
1435                 .start  = S3C2410_CS1,
1436                 .end    = S3C2410_CS1 + 0x1000000 - 1,
1437                 .flags  = IORESOURCE_MEM,
1438         },
1439         [1] = {
1440                 .start  = GTA02_IRQ_3D,
1441                 .end    = GTA02_IRQ_3D,
1442                 .flags  = IORESOURCE_IRQ,
1443         },
1444         [2] = {
1445                 .start = GTA02_GPIO_3D_RESET,
1446                 .end   = GTA02_GPIO_3D_RESET,
1447         },
1448 };
1449
1450 static struct platform_device gta02_glamo_dev = {
1451         .name           = "glamo3362",
1452         .num_resources  = ARRAY_SIZE(gta02_glamo_resources),
1453         .resource       = gta02_glamo_resources,
1454         .dev            = {
1455                 .platform_data  = &gta02_glamo_pdata,
1456         },
1457 };
1458
1459 static void mangle_glamo_res_by_system_rev(void)
1460 {
1461         switch (S3C_SYSTEM_REV_ATAG) {
1462         case GTA02v1_SYSTEM_REV:
1463                 break;
1464         default:
1465                 gta02_glamo_resources[2].start = GTA02_GPIO_3D_RESET;
1466                 gta02_glamo_resources[2].end = GTA02_GPIO_3D_RESET;
1467                 break;
1468         }
1469
1470         switch (S3C_SYSTEM_REV_ATAG) {
1471         case GTA02v1_SYSTEM_REV:
1472         case GTA02v2_SYSTEM_REV:
1473         case GTA02v3_SYSTEM_REV:
1474         /* case GTA02v4_SYSTEM_REV: - FIXME: handle this later */
1475                 /* The hardware is missing a pull-up resistor and thus can't
1476                  * support the Smedia Glamo IRQ */
1477                 gta02_glamo_resources[1].start = 0;
1478                 gta02_glamo_resources[1].end = 0;
1479                 break;
1480         }
1481 }
1482
1483 static void __init gta02_map_io(void)
1484 {
1485         s3c24xx_init_io(gta02_iodesc, ARRAY_SIZE(gta02_iodesc));
1486         s3c24xx_init_clocks(12000000);
1487         s3c24xx_init_uarts(gta02_uartcfgs, ARRAY_SIZE(gta02_uartcfgs));
1488 }
1489
1490 static irqreturn_t gta02_modem_irq(int irq, void *param)
1491 {
1492 /*      printk(KERN_DEBUG "modem wakeup interrupt\n");*/
1493         gta_gsm_interrupts++;
1494         return IRQ_HANDLED;
1495 }
1496
1497 static irqreturn_t ar6000_wow_irq(int irq, void *param)
1498 {
1499 /*      printk(KERN_DEBUG "ar6000_wow interrupt\n");*/
1500         return IRQ_HANDLED;
1501 }
1502
1503 /*
1504  * hardware_ecc=1|0
1505  */
1506 static char hardware_ecc_str[4] __initdata = "";
1507
1508 static int __init hardware_ecc_setup(char *str)
1509 {
1510         if (str)
1511                 strlcpy(hardware_ecc_str, str, sizeof(hardware_ecc_str));
1512         return 1;
1513 }
1514
1515 __setup("hardware_ecc=", hardware_ecc_setup);
1516
1517 /* these are the guys that don't need to be children of PMU */
1518
1519 static struct platform_device *gta02_devices[] __initdata = {
1520         &s3c_device_usb,
1521         &s3c_device_wdt,
1522         &s3c_device_sdi,
1523         &s3c_device_usbgadget,
1524         &s3c_device_nand,
1525         &gta02_nor_flash,
1526
1527         &s3c24xx_pwm_device,
1528         &gta02_led_dev,
1529         &gta02_pm_wlan_dev, /* not dependent on PMU */
1530
1531         &s3c_device_iis,
1532         &s3c_device_i2c0,
1533 };
1534
1535 /* these guys DO need to be children of PMU */
1536
1537 static struct platform_device *gta02_devices_pmu_children[] = {
1538         &s3c_device_ts, /* input 1 */
1539         &gta02_pm_gsm_dev,
1540         &gta02_pm_usbhost_dev,
1541         &gta02_spi_gpio_dev, /* input 2 and 3 */
1542         &gta02_button_dev, /* input 4 */
1543         &gta02_resume_reason_device,
1544 };
1545
1546 static void gta02_pmu_regulator_registered(struct pcf50633 *pcf, int id)
1547 {
1548         struct platform_device *regulator, *pdev;
1549
1550         gta02_pcf = pcf;
1551
1552         regulator = pcf->regulator_pdev[id];
1553
1554         switch(id) {
1555                 case PCF50633_REGULATOR_LDO4:
1556                         pdev = &gta02_pm_bt_dev;
1557                         break;
1558                 case PCF50633_REGULATOR_LDO5:
1559                         pdev = &gta02_pm_gps_dev;
1560                         break;
1561                 case PCF50633_REGULATOR_HCLDO:
1562                         pdev = &gta02_glamo_dev;
1563                         break;
1564                 default:
1565             return;
1566         }
1567
1568         pdev->dev.parent = &regulator->dev;
1569         platform_device_register(pdev);
1570 }
1571
1572 /* this is called when pc50633 is probed, unfortunately quite late in the
1573  * day since it is an I2C bus device.  Here we can belatedly define some
1574  * platform devices with the advantage that we can mark the pcf50633 as the
1575  * parent.  This makes them get suspended and resumed with their parent
1576  * the pcf50633 still around.
1577  */
1578
1579 static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf)
1580 {
1581         int n;
1582
1583         for (n = 0; n < ARRAY_SIZE(gta02_devices_pmu_children); n++)
1584                 gta02_devices_pmu_children[n]->dev.parent = pcf->dev;
1585
1586         mangle_glamo_res_by_system_rev();
1587         platform_add_devices(gta02_devices_pmu_children,
1588                                         ARRAY_SIZE(gta02_devices_pmu_children));
1589
1590 /*    regulator_has_full_constraints();*/
1591 }
1592
1593 static void gta02_poweroff(void)
1594 {
1595         pcf50633_reg_set_bit_mask(gta02_pcf, PCF50633_REG_OOCSHDWN,
1596                   PCF50633_OOCSHDWN_GOSTDBY, PCF50633_OOCSHDWN_GOSTDBY);
1597 }
1598
1599 static void __init gta02_machine_init(void)
1600 {
1601         int rc;
1602
1603         /* set the panic callback to make AUX blink fast */
1604         panic_blink = gta02_panic_blink;
1605
1606         switch (S3C_SYSTEM_REV_ATAG) {
1607         case GTA02v6_SYSTEM_REV:
1608                 /* we need push-pull interrupt from motion sensors */
1609                 lis302_pdata_top.open_drain = 0;
1610                 lis302_pdata_bottom.open_drain = 0;
1611                 break;
1612         default:
1613                 break;
1614         }
1615
1616         spin_lock_init(&motion_irq_lock);
1617
1618 #ifdef CONFIG_CHARGER_PCF50633
1619         INIT_DELAYED_WORK(&gta02_charger_work, gta02_charger_worker);
1620 #endif
1621
1622         /* Glamo chip select optimization */
1623 /*       *((u32 *)(S3C2410_MEMREG(((1 + 1) << 2)))) = 0x1280; */
1624
1625         /* do not force soft ecc if we are asked to use hardware_ecc */
1626         if (hardware_ecc_str[0] == '1')
1627                 gta02_nand_info.software_ecc = 0;
1628
1629         s3c_device_usb.dev.platform_data = &gta02_usb_info;
1630         s3c_device_nand.dev.platform_data = &gta02_nand_info;
1631         s3c_device_sdi.dev.platform_data = &gta02_s3c_mmc_cfg;
1632
1633         /* acc sensor chip selects */
1634         s3c2410_gpio_setpin(S3C2410_GPD12, 1);
1635         s3c2410_gpio_cfgpin(S3C2410_GPD12, S3C2410_GPIO_OUTPUT);
1636         s3c2410_gpio_setpin(S3C2410_GPD13, 1);
1637         s3c2410_gpio_cfgpin(S3C2410_GPD13, S3C2410_GPIO_OUTPUT);
1638
1639         s3c24xx_udc_set_platdata(&gta02_udc_cfg);
1640         s3c_i2c0_set_platdata(NULL);
1641         set_s3c2410ts_info(&gta02_ts_cfg);
1642
1643         mangle_glamo_res_by_system_rev();
1644
1645         i2c_register_board_info(0, gta02_i2c_devs, ARRAY_SIZE(gta02_i2c_devs));
1646         spi_register_board_info(gta02_spi_board_info,
1647                                 ARRAY_SIZE(gta02_spi_board_info));
1648
1649 #ifdef CONFIG_CHARGER_PCF50633
1650         mangle_pmu_pdata_by_system_rev();
1651 #endif
1652
1653         platform_add_devices(gta02_devices, ARRAY_SIZE(gta02_devices));
1654
1655         s3c_pm_init();
1656
1657         /* Make sure the modem can wake us up */
1658         set_irq_type(GTA02_IRQ_MODEM, IRQ_TYPE_EDGE_RISING);
1659         rc = request_irq(GTA02_IRQ_MODEM, gta02_modem_irq, IRQF_DISABLED,
1660                          "modem", NULL);
1661         if (rc < 0)
1662                 printk(KERN_ERR "GTA02: can't request GSM modem wakeup IRQ\n");
1663         enable_irq_wake(GTA02_IRQ_MODEM);
1664
1665         /* Make sure the wifi module can wake us up*/
1666         set_irq_type(GTA02_IRQ_WLAN_GPIO1, IRQ_TYPE_EDGE_RISING);
1667         rc = request_irq(GTA02_IRQ_WLAN_GPIO1, ar6000_wow_irq, IRQF_DISABLED,
1668                         "ar6000", NULL);
1669
1670         if (rc < 0)
1671                 printk(KERN_ERR "GTA02: can't request ar6k wakeup IRQ\n");
1672         enable_irq_wake(GTA02_IRQ_WLAN_GPIO1);
1673
1674         pm_power_off = gta02_poweroff;
1675
1676         /* Register the HDQ and vibrator as children of pwm device */
1677 #ifdef CONFIG_HDQ_GPIO_BITBANG
1678         gta02_hdq_device.dev.parent = &s3c24xx_pwm_device.dev;
1679         platform_device_register(&gta02_hdq_device);
1680 #endif
1681 #ifdef CONFIG_LEDS_GTA02_VIBRATOR
1682         gta02_vibrator_dev.dev.parent = &s3c24xx_pwm_device.dev;
1683         platform_device_register(&gta02_vibrator_dev);
1684 #endif
1685 }
1686
1687 void DEBUG_LED(int n)
1688 {
1689         switch (n) {
1690         case 0:
1691                 gta02_gpb_setpin(GTA02_GPIO_PWR_LED1, 1);
1692                 break;
1693         case 1:
1694                 gta02_gpb_setpin(GTA02_GPIO_PWR_LED2, 1);
1695                 break;
1696         default:
1697                 gta02_gpb_setpin(GTA02_GPIO_AUX_LED, 1);
1698                 break;
1699         }
1700 }
1701 EXPORT_SYMBOL_GPL(DEBUG_LED);
1702
1703 MACHINE_START(NEO1973_GTA02, "GTA02")
1704         .phys_io        = S3C2410_PA_UART,
1705         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
1706         .boot_params    = S3C2410_SDRAM_PA + 0x100,
1707         .map_io         = gta02_map_io,
1708         .init_irq       = s3c24xx_init_irq,
1709         .init_machine   = gta02_machine_init,
1710         .timer          = &s3c24xx_timer,
1711 MACHINE_END