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 /*
 539  * We need this dummy thing to fill the regulator consumers
 540  */
 541 static struct platform_device gta02_mmc_dev = {
 542         /* details filled in by glamo core */
 543 };
 544
 545 static struct regulator_consumer_supply hcldo_consumers[] = {
 546         {
 547                 .dev = &gta02_mmc_dev.dev,
 548                 .supply = "SD_3V3",
 549         },
 550 };
 551
 552 static char *gta02_batteries[] = {
 553         "battery",
 554 };
 555
 556 #ifdef CONFIG_CHARGER_PCF50633
 557
 558 struct pcf50633_platform_data gta02_pcf_pdata = {
 559         .resumers = {
 560                 [0] =   PCF50633_INT1_USBINS |
 561                         PCF50633_INT1_USBREM |
 562                         PCF50633_INT1_ALARM,
 563                 [1] =   PCF50633_INT2_ONKEYF,
 564                 [2] =   PCF50633_INT3_ONKEY1S,
 565                 [3] =   PCF50633_INT4_LOWSYS |
 566                         PCF50633_INT4_LOWBAT |
 567                         PCF50633_INT4_HIGHTMP,
 568         },
 569
 570         .batteries = gta02_batteries,
 571         .num_batteries = ARRAY_SIZE(gta02_batteries),
 572         .charging_restart_interval = (900 * HZ),
 573         .chg_ref_current_ma = 1000,
 574
 575         .reg_init_data = {
 576                 [PCF50633_REGULATOR_AUTO] = {
 577                         .constraints = {
 578                                 .name = "IO_3V3",
 579                                 .min_uV = 3300000,
 580                                 .max_uV = 3300000,
 581                                 .valid_modes_mask = REGULATOR_MODE_NORMAL,
 582                                 .boot_on = 1,
 583                                 .apply_uV = 1,
 584                                 .state_mem = {
 585                                         .enabled = 1,
 586                                 },
 587                         },
 588                         .num_consumer_supplies = 0,
 589                 },
 590                 [PCF50633_REGULATOR_DOWN1] = {
 591                         .constraints = {
 592                                 .name = "CORE_1V3",
 593                                 .min_uV = 1300000,
 594                                 .max_uV = 1600000,
 595                                 .valid_modes_mask = REGULATOR_MODE_NORMAL,
 596                                 .boot_on = 1,
 597                                 .apply_uV = 1,
 598                         },
 599                         .num_consumer_supplies = 0,
 600                 },
 601                 [PCF50633_REGULATOR_DOWN2] = {
 602                         .constraints = {
 603                                 .name = "IO_1V8",
 604                                 .min_uV = 1800000,
 605                                 .max_uV = 1800000,
 606                                 .valid_modes_mask = REGULATOR_MODE_NORMAL,
 607                                 .apply_uV = 1,
 608                                 .boot_on = 1,
 609                                 .state_mem = {
 610                                         .enabled = 1,
 611                                 },
 612                         },
 613                         .num_consumer_supplies = 0,
 614                 },
 615                 [PCF50633_REGULATOR_HCLDO] = {
 616                         .constraints = {
 617                                 .name = "SD_3V3",
 618                                 .min_uV = 2000000,
 619                                 .max_uV = 3300000,
 620                                 .valid_modes_mask = REGULATOR_MODE_NORMAL,
 621                                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 622                                 .boot_on = 1,
 623                         },
 624                         .num_consumer_supplies = 1,
 625                         .consumer_supplies = hcldo_consumers,
 626                 },
 627                 [PCF50633_REGULATOR_LDO1] = {
 628                         .constraints = {
 629                                 .name = "GSENSOR_3V3",
 630                                 .min_uV = 1300000,
 631                                 .max_uV = 1300000,
 632                                 .valid_modes_mask = REGULATOR_MODE_NORMAL,
 633                                 .apply_uV = 1,
 634                         },
 635                         .num_consumer_supplies = 0,
 636                 },
 637                 [PCF50633_REGULATOR_LDO2] = {
 638                         .constraints = {
 639                                 .name = "CODEC_3V3",
 640                                 .min_uV = 3300000,
 641                                 .max_uV = 3300000,
 642                                 .valid_modes_mask = REGULATOR_MODE_NORMAL,
 643                                 .apply_uV = 1,
 644                         },
 645                         .num_consumer_supplies = 0,
 646                 },
 647                 [PCF50633_REGULATOR_LDO3] = {
 648                         .constraints = {
 649                                 .min_uV = 3000000,
 650                                 .max_uV = 3000000,
 651                                 .valid_modes_mask = REGULATOR_MODE_NORMAL,
 652                                 .apply_uV = 1,
 653                         },
 654                         .num_consumer_supplies = 0,
 655                 },
 656                 [PCF50633_REGULATOR_LDO4] = {
 657                         .constraints = {
 658                                 .name = "BT_3V2",
 659                                 .min_uV = 3200000,
 660                                 .max_uV = 3200000,
 661                                 .valid_modes_mask = REGULATOR_MODE_NORMAL,
 662                                 .apply_uV = 1,
 663                         },
 664                         .num_consumer_supplies = 1,
 665                         .consumer_supplies = ldo4_consumers,
 666                 },
 667                 [PCF50633_REGULATOR_LDO5] = {
 668                         .constraints = {
 669                                 .name = "RF_3V",
 670                                 .min_uV = 1500000,
 671                                 .max_uV = 1500000,
 672                                 .valid_modes_mask = REGULATOR_MODE_NORMAL,
 673                                 .apply_uV = 1,
 674                                 .state_mem = {
 675                                         .enabled = 1,
 676                                 },
 677                         },
 678                         .num_consumer_supplies = 1,
 679                         .consumer_supplies = ldo5_consumers,
 680                 },
 681                 [PCF50633_REGULATOR_LDO6] = {
 682                         .constraints = {
 683                                 .name = "LCM_3V",
 684                                 .min_uV = 0,
 685                                 .max_uV = 3300000,
 686                                 .valid_modes_mask = REGULATOR_MODE_NORMAL,
 687                         },
 688                         .num_consumer_supplies = 0,
 689                 },
 690                 [PCF50633_REGULATOR_MEMLDO] = {
 691                         .constraints = {
 692                                 .min_uV = 1800000,
 693                                 .max_uV = 1800000,
 694                                 .valid_modes_mask = REGULATOR_MODE_NORMAL,
 695                                 .state_mem = {
 696                                         .enabled = 1,
 697                                 },
 698                         },
 699                         .num_consumer_supplies = 0,
 700                 },
 701
 702         },
 703         .probe_done = gta02_pmu_attach_child_devices,
 704         .regulator_registered = gta02_pmu_regulator_registered,
 705         .mbc_event_callback = gta02_pmu_event_callback,
 706         .force_shutdown = gta02_pmu_force_shutdown,
 707 };
 708
 709 static void mangle_pmu_pdata_by_system_rev(void)
 710 {
 711         struct regulator_init_data *reg_init_data;
 712
 713         reg_init_data = gta02_pcf_pdata.reg_init_data;
 714
 715         switch (S3C_SYSTEM_REV_ATAG) {
 716         case GTA02v1_SYSTEM_REV:
 717                 /* FIXME: this is only in v1 due to wrong PMU variant */
 718                 reg_init_data[PCF50633_REGULATOR_DOWN2]
 719                                         .constraints.state_mem.enabled = 1;
 720                 break;
 721         case GTA02v2_SYSTEM_REV:
 722         case GTA02v3_SYSTEM_REV:
 723         case GTA02v4_SYSTEM_REV:
 724         case GTA02v5_SYSTEM_REV:
 725         case GTA02v6_SYSTEM_REV:
 726                 reg_init_data[PCF50633_REGULATOR_LDO1]
 727                                         .constraints.min_uV = 3300000;
 728                 reg_init_data[PCF50633_REGULATOR_LDO1]
 729                                         .constraints.min_uV = 3300000;
 730                 reg_init_data[PCF50633_REGULATOR_LDO1]
 731                                         .constraints.state_mem.enabled = 0;
 732
 733                 reg_init_data[PCF50633_REGULATOR_LDO5]
 734                                         .constraints.min_uV = 3000000;
 735                 reg_init_data[PCF50633_REGULATOR_LDO5]
 736                                         .constraints.max_uV = 3000000;
 737
 738                 reg_init_data[PCF50633_REGULATOR_LDO6]
 739                                         .constraints.min_uV = 3000000;
 740                 reg_init_data[PCF50633_REGULATOR_LDO6]
 741                                         .constraints.max_uV = 3000000;
 742                 reg_init_data[PCF50633_REGULATOR_LDO6]
 743                                         .constraints.apply_uV = 1;
 744                 break;
 745         default:
 746                 break;
 747         }
 748 }
 749
 750 #endif
 751
 752 #ifdef CONFIG_HDQ_GPIO_BITBANG
 753 /* BQ27000 Battery */
 754
 755 struct bq27000_platform_data bq27000_pdata = {
 756         .name = "battery",
 757         .rsense_mohms = 20,
 758         .hdq_read = hdq_read,
 759         .hdq_write = hdq_write,
 760         .hdq_initialized = hdq_initialized,
 761         .get_charger_online_status = gta02_get_charger_online_status,
 762         .get_charger_active_status = gta02_get_charger_active_status
 763 };
 764
 765 struct platform_device bq27000_battery_device = {
 766         .name           = "bq27000-battery",
 767         .dev = {
 768                 .platform_data = &bq27000_pdata,
 769         },
 770 };
 771
 772 /* HDQ */
 773
 774 static void gta02_hdq_attach_child_devices(struct device *parent_device)
 775 {
 776         switch (S3C_SYSTEM_REV_ATAG) {
 777         case GTA02v5_SYSTEM_REV:
 778         case GTA02v6_SYSTEM_REV:
 779                 bq27000_battery_device.dev.parent = parent_device;
 780                 platform_device_register(&bq27000_battery_device);
 781                 break;
 782         default:
 783                 break;
 784         }
 785 }
 786
 787 static void gta02_hdq_gpio_direction_out(void)
 788 {
 789         s3c2410_gpio_cfgpin(GTA02v5_GPIO_HDQ, S3C2410_GPIO_OUTPUT);
 790 }
 791
 792 static void gta02_hdq_gpio_direction_in(void)
 793 {
 794         s3c2410_gpio_cfgpin(GTA02v5_GPIO_HDQ, S3C2410_GPIO_INPUT);
 795 }
 796
 797 static void gta02_hdq_gpio_set_value(int val)
 798 {
 799
 800         s3c2410_gpio_setpin(GTA02v5_GPIO_HDQ, val);
 801 }
 802
 803 static int gta02_hdq_gpio_get_value(void)
 804 {
 805         return s3c2410_gpio_getpin(GTA02v5_GPIO_HDQ);
 806 }
 807
 808 static struct resource gta02_hdq_resources[] = {
 809         [0] = {
 810                 .start  = GTA02v5_GPIO_HDQ,
 811                 .end    = GTA02v5_GPIO_HDQ,
 812         },
 813 };
 814
 815 struct hdq_platform_data gta02_hdq_platform_data = {
 816         .attach_child_devices = gta02_hdq_attach_child_devices,
 817         .gpio_dir_out = gta02_hdq_gpio_direction_out,
 818         .gpio_dir_in = gta02_hdq_gpio_direction_in,
 819         .gpio_set = gta02_hdq_gpio_set_value,
 820         .gpio_get = gta02_hdq_gpio_get_value,
 821
 822         .enable_fiq = gta02_fiq_enable,
 823         .disable_fiq = gta02_fiq_disable,
 824         .kick_fiq = gta02_fiq_kick,
 825
 826 };
 827
 828 struct platform_device gta02_hdq_device = {
 829         .name           = "hdq",
 830         .num_resources  = 1,
 831         .resource       = gta02_hdq_resources,
 832         .dev            = {
 833                 .platform_data = &gta02_hdq_platform_data,
 834         },
 835 };
 836 #endif
 837
 838
 839 #ifdef CONFIG_LEDS_GTA02_VIBRATOR
 840 /* vibrator (child of FIQ) */
 841
 842 static struct resource gta02_vibrator_resources[] = {
 843         [0] = {
 844                 .start  = GTA02_GPIO_VIBRATOR_ON,
 845                 .end    = GTA02_GPIO_VIBRATOR_ON,
 846         },
 847 };
 848 struct gta02_vib_platform_data gta02_vib_pdata = {
 849         .enable_fiq = gta02_fiq_enable,
 850         .disable_fiq = gta02_fiq_disable,
 851         .kick_fiq = gta02_fiq_kick,
 852 };
 853
 854 static struct platform_device gta02_vibrator_dev = {
 855         .name           = "gta02-vibrator",
 856         .num_resources  = ARRAY_SIZE(gta02_vibrator_resources),
 857         .resource       = gta02_vibrator_resources,
 858         .dev     = {
 859                 .platform_data = &gta02_vib_pdata,
 860                 },
 861 };
 862 #endif
 863
 864 /* NOR Flash */
 865
 866 #define GTA02_FLASH_BASE        S3C2410_CS3 /* GCS3 */
 867 #define GTA02_FLASH_SIZE        0x200000 /* 2MBytes */
 868
 869 static struct physmap_flash_data gta02_nor_flash_data = {
 870         .width          = 2,
 871 };
 872
 873 static struct resource gta02_nor_flash_resource = {
 874         .start          = GTA02_FLASH_BASE,
 875         .end            = GTA02_FLASH_BASE + GTA02_FLASH_SIZE - 1,
 876         .flags          = IORESOURCE_MEM,
 877 };
 878
 879 static struct platform_device gta02_nor_flash = {
 880         .name           = "physmap-flash",
 881         .id             = 0,
 882         .dev            = {
 883                                 .platform_data  = &gta02_nor_flash_data,
 884                         },
 885         .resource       = &gta02_nor_flash_resource,
 886         .num_resources  = 1,
 887 };
 888
 889
 890 struct platform_device s3c24xx_pwm_device = {
 891         .name           = "s3c24xx_pwm",
 892         .num_resources  = 0,
 893 };
 894
 895 static struct i2c_board_info gta02_i2c_devs[] __initdata = {
 896         {
 897                 I2C_BOARD_INFO("pcf50633", 0x73),
 898                 .irq = GTA02_IRQ_PCF50633,
 899                 .platform_data = &gta02_pcf_pdata,
 900         },
 901         {
 902                 I2C_BOARD_INFO("wm8753", 0x1a),
 903         },
 904 };
 905
 906 static struct s3c2410_nand_set gta02_nand_sets[] = {
 907         [0] = {
 908                 .name           = "neo1973-nand",
 909                 .nr_chips       = 1,
 910                 .flags          = S3C2410_NAND_BBT,
 911         },
 912 };
 913
 914 /* choose a set of timings derived from S3C@2442B MCP54
 915  * data sheet (K5D2G13ACM-D075 MCP Memory)
 916  */
 917
 918 static struct s3c2410_platform_nand gta02_nand_info = {
 919         .tacls          = 0,
 920         .twrph0         = 25,
 921         .twrph1         = 15,
 922         .nr_sets        = ARRAY_SIZE(gta02_nand_sets),
 923         .sets           = gta02_nand_sets,
 924         .software_ecc   = 1,
 925 };
 926
 927
 928 static void gta02_s3c_mmc_set_power(unsigned char power_mode,
 929     unsigned short vdd)
 930 {
 931         static int is_on = -1;
 932         int on;
 933
 934         on = power_mode == MMC_POWER_ON || power_mode == MMC_POWER_UP;
 935         if (is_on != on)
 936                 gta02_wlan_reset(!on);
 937         is_on = on;
 938 }
 939
 940
 941 static struct s3c24xx_mci_pdata gta02_s3c_mmc_cfg = {
 942         .set_power      = gta02_s3c_mmc_set_power,
 943 };
 944
 945 static void gta02_udc_command(enum s3c2410_udc_cmd_e cmd)
 946 {
 947         switch (cmd) {
 948         case S3C2410_UDC_P_ENABLE:
 949                 printk(KERN_DEBUG "%s S3C2410_UDC_P_ENABLE\n", __func__);
 950             gta02_gpb_setpin(GTA02_GPIO_USB_PULLUP, 1);
 951                 break;
 952         case S3C2410_UDC_P_DISABLE:
 953                 printk(KERN_DEBUG "%s S3C2410_UDC_P_DISABLE\n", __func__);
 954                 gta02_gpb_setpin(GTA02_GPIO_USB_PULLUP, 0);
 955                 break;
 956         case S3C2410_UDC_P_RESET:
 957                 printk(KERN_DEBUG "%s S3C2410_UDC_P_RESET\n", __func__);
 958                 /* FIXME! */
 959                 break;
 960         default:
 961                 break;
 962         }
 963 }
 964
 965 /* get PMU to set USB current limit accordingly */
 966
 967 static struct s3c2410_udc_mach_info gta02_udc_cfg = {
 968         .vbus_draw      = gta02_udc_vbus_draw,
 969         .udc_command    = gta02_udc_command,
 970 /*      .get_vbus_status = gta02_udc_vbus_status,*/
 971 };
 972
 973
 974 /* Touchscreen configuration. */
 975
 976 #ifdef CONFIG_TOUCHSCREEN_FILTER
 977 const static struct ts_filter_group_configuration gta02_ts_group = {
 978         .length = 12,
 979         .close_enough = 10,
 980         .threshold = 6,         /* At least half of the points in a group. */
 981         .attempts = 10,
 982 };
 983
 984 const static struct ts_filter_median_configuration gta02_ts_median = {
 985         .extent = 20,
 986         .decimation_below = 3,
 987         .decimation_threshold = 8 * 3,
 988         .decimation_above = 4,
 989 };
 990
 991 const static struct ts_filter_mean_configuration gta02_ts_mean = {
 992         .length = 4,
 993 };
 994
 995 const static struct ts_filter_linear_configuration gta02_ts_linear = {
 996         .constants = {1, 0, 0, 0, 1, 0, 1},     /* Don't modify coords. */
 997         .coord0 = 0,
 998         .coord1 = 1,
 999 };
1000 #endif
1001
1002 const static struct ts_filter_chain_configuration gta02_filter_configuration[] =
1003 {
1004 #ifdef CONFIG_TOUCHSCREEN_FILTER
1005         {&ts_filter_group_api,          &gta02_ts_group.config},
1006         {&ts_filter_median_api,         &gta02_ts_median.config},
1007         {&ts_filter_mean_api,           &gta02_ts_mean.config},
1008         {&ts_filter_linear_api,         &gta02_ts_linear.config},
1009 #endif
1010         {NULL, NULL},
1011 };
1012
1013 const static struct s3c2410_ts_mach_info gta02_ts_cfg = {
1014         .delay = 10000,
1015         .presc = 0xff, /* slow as we can go */
1016         .filter_config = gta02_filter_configuration,
1017 };
1018
1019
1020
1021 static void gta02_bl_set_intensity(int intensity)
1022 {
1023         struct pcf50633 *pcf = gta02_pcf;
1024         int old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT);
1025         int ret;
1026
1027         intensity >>= 2;
1028
1029         /*
1030          * One code path that leads here is from a kernel panic. Trying to turn
1031          * the backlight on just gives us a nearly endless stream of complaints
1032          * and accomplishes nothing. We can't win. Just give up.
1033          *
1034          * In the unlikely event that there's another path leading here while
1035          * we're atomic, we print at least a warning.
1036          */
1037         if (in_atomic()) {
1038                 printk(KERN_ERR
1039                     "gta02_bl_set_intensity called while atomic\n");
1040                 return;
1041         }
1042
1043         if (!(pcf50633_reg_read(pcf, PCF50633_REG_LEDENA) & 3))
1044                 old_intensity = 0;
1045         else
1046                 old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT);
1047
1048         if (intensity == old_intensity)
1049                 return;
1050
1051         /* We can't do this anywhere else */
1052         pcf50633_reg_write(pcf, PCF50633_REG_LEDDIM, 5);
1053
1054         /*
1055          * The PCF50633 cannot handle LEDOUT = 0 (datasheet p60)
1056          * if seen, you have to re-enable the LED unit
1057          */
1058         if (!intensity || !old_intensity)
1059                 pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0);
1060
1061         if (!intensity) /* illegal to set LEDOUT to 0 */
1062                 ret = pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f,
1063                                                                              2);
1064         else
1065                 ret = pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f,
1066                                intensity);
1067
1068         if (intensity)
1069                 pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 2);
1070
1071 }
1072
1073 static struct generic_bl_info gta02_bl_info = {
1074         .name                   = "gta02-bl",
1075         .max_intensity          = 0xff,
1076         .default_intensity      = 0xff,
1077         .set_bl_intensity       = gta02_bl_set_intensity,
1078 };
1079
1080 static struct platform_device gta02_bl_dev = {
1081         .name             = "generic-bl",
1082         .id               = 1,
1083         .dev = {
1084                 .platform_data = &gta02_bl_info,
1085         },
1086 };
1087
1088 /* SPI: LCM control interface attached to Glamo3362 */
1089
1090 static void gta02_jbt6k74_reset(int devidx, int level)
1091 {
1092         glamo_lcm_reset(level);
1093 }
1094
1095 static void gta02_jbt6k74_probe_completed(struct device *dev)
1096 {
1097         struct pcf50633 *pcf = gta02_pcf;
1098
1099         /* Switch on backlight. Qi does not do it for us */
1100         pcf50633_reg_write(pcf, PCF50633_REG_LEDOUT, 0x01);
1101         pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0x00);
1102         pcf50633_reg_write(pcf, PCF50633_REG_LEDDIM, 0x01);
1103         pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0x01);
1104
1105         gta02_bl_dev.dev.parent = dev;
1106         platform_device_register(&gta02_bl_dev);
1107 }
1108
1109 const struct jbt6k74_platform_data jbt6k74_pdata = {
1110         .reset          = gta02_jbt6k74_reset,
1111         .probe_completed = gta02_jbt6k74_probe_completed,
1112 };
1113
1114 #if 0 /* currently this is not used and we use gpio spi */
1115 static struct glamo_spi_info glamo_spi_cfg = {
1116         .board_size     = ARRAY_SIZE(gta02_spi_board_info),
1117         .board_info     = gta02_spi_board_info,
1118 };
1119 #endif /* 0 */
1120
1121 static struct glamo_spigpio_info glamo_spigpio_cfg = {
1122         .pin_clk        = GLAMO_GPIO10_OUTPUT,
1123         .pin_mosi       = GLAMO_GPIO11_OUTPUT,
1124         .pin_cs         = GLAMO_GPIO12_OUTPUT,
1125         .pin_miso       = 0,
1126         .bus_num        = 2,
1127 };
1128
1129 /*----------- SPI: Accelerometers attached to SPI of s3c244x ----------------- */
1130
1131 void gta02_lis302dl_suspend_io(struct lis302dl_info *lis, int resume)
1132 {
1133         struct lis302dl_platform_data *pdata = lis->pdata;
1134
1135         if (!resume) {
1136                  /*
1137                  * we don't want to power them with a high level
1138                  * because GSENSOR_3V3 is not up during suspend
1139                  */
1140                 s3c2410_gpio_setpin(pdata->pin_chip_select, 0);
1141                 s3c2410_gpio_setpin(pdata->pin_clk, 0);
1142                 s3c2410_gpio_setpin(pdata->pin_mosi, 0);
1143                 /* misnomer: it is a pullDOWN in 2442 */
1144                 s3c2410_gpio_pullup(pdata->pin_miso, 1);
1145                 return;
1146         }
1147
1148         /* back to normal */
1149         s3c2410_gpio_setpin(pdata->pin_chip_select, 1);
1150         s3c2410_gpio_setpin(pdata->pin_clk, 1);
1151         /* misnomer: it is a pullDOWN in 2442 */
1152         s3c2410_gpio_pullup(pdata->pin_miso, 0);
1153
1154         s3c2410_gpio_cfgpin(pdata->pin_chip_select, S3C2410_GPIO_OUTPUT);
1155         s3c2410_gpio_cfgpin(pdata->pin_clk, S3C2410_GPIO_OUTPUT);
1156         s3c2410_gpio_cfgpin(pdata->pin_mosi, S3C2410_GPIO_OUTPUT);
1157         s3c2410_gpio_cfgpin(pdata->pin_miso, S3C2410_GPIO_INPUT);
1158
1159 }
1160
1161 struct lis302dl_platform_data lis302_pdata_top = {
1162                 .name           = "lis302-1 (top)",
1163                 .pin_chip_select= S3C2410_GPD12,
1164                 .pin_clk        = S3C2410_GPG7,
1165                 .pin_mosi       = S3C2410_GPG6,
1166                 .pin_miso       = S3C2410_GPG5,
1167                 .interrupt      = GTA02_IRQ_GSENSOR_1,
1168                 .open_drain     = 1, /* altered at runtime by PCB rev */
1169                 .lis302dl_suspend_io = gta02_lis302dl_suspend_io,
1170 };
1171
1172 struct lis302dl_platform_data lis302_pdata_bottom = {
1173                 .name           = "lis302-2 (bottom)",
1174                 .pin_chip_select= S3C2410_GPD13,
1175                 .pin_clk        = S3C2410_GPG7,
1176                 .pin_mosi       = S3C2410_GPG6,
1177                 .pin_miso       = S3C2410_GPG5,
1178                 .interrupt      = GTA02_IRQ_GSENSOR_2,
1179                 .open_drain     = 1, /* altered at runtime by PCB rev */
1180                 .lis302dl_suspend_io = gta02_lis302dl_suspend_io,
1181 };
1182
1183 static struct spi_board_info gta02_spi_board_info[] = {
1184         {
1185                 .modalias       = "jbt6k74",
1186                 /* platform_data */
1187                 .platform_data  = &jbt6k74_pdata,
1188                 /* controller_data */
1189                 /* irq */
1190                 .max_speed_hz   = 100 * 1000,
1191                 .bus_num        = 2,
1192                 /* chip_select */
1193         },
1194         {
1195                 .modalias       = "lis302dl",
1196                 /* platform_data */
1197                 .platform_data  = &lis302_pdata_top,
1198                 /* controller_data */
1199                 /* irq */
1200                 .max_speed_hz   = 100 * 1000,
1201                 .bus_num        = 3,
1202                 .chip_select    = 0,
1203         },
1204
1205         {
1206                 .modalias       = "lis302dl",
1207                 /* platform_data */
1208                 .platform_data  = &lis302_pdata_bottom,
1209                 /* controller_data */
1210                 /* irq */
1211                 .max_speed_hz   = 100 * 1000,
1212                 .bus_num        = 3,
1213                 .chip_select    = 1,
1214         },
1215
1216 };
1217
1218 static void gta02_lis302_chip_select(struct s3c2410_spigpio_info *info, int csid, int cs)
1219 {
1220
1221         /*
1222          * Huh... "quirk"... CS on this device is not really "CS" like you can
1223          * expect.
1224          *
1225          * When it is 0 it selects SPI interface mode.
1226          * When it is 1 it selects I2C interface mode.
1227          *
1228          * Because we have 2 devices on one interface we have to make sure
1229          * that the "disabled" device (actually in I2C mode) don't think we're
1230          * talking to it.
1231          *
1232          * When we talk to the "enabled" device, the "disabled" device sees
1233          * the clocks as I2C clocks, creating havoc.
1234          *
1235          * I2C sees MOSI going LOW while CLK HIGH as a START action, thus we
1236          * must ensure this is never issued.
1237          */
1238
1239         int cs_gpio, other_cs_gpio;
1240
1241         cs_gpio = csid ? S3C2410_GPD13 : S3C2410_GPD12;
1242         other_cs_gpio = (1 - csid) ? S3C2410_GPD13 : S3C2410_GPD12;
1243
1244
1245         if (cs == BITBANG_CS_ACTIVE) {
1246                 s3c2410_gpio_setpin(other_cs_gpio, 1);
1247                 s3c2410_gpio_setpin(cs_gpio, 1);
1248                 s3c2410_gpio_setpin(info->pin_clk, 1);
1249                 s3c2410_gpio_setpin(cs_gpio, 0);
1250         } else {
1251                 s3c2410_gpio_setpin(cs_gpio, 1);
1252                 s3c2410_gpio_setpin(other_cs_gpio, 1);
1253         }
1254 }
1255
1256 static struct s3c2410_spigpio_info gta02_spigpio_cfg = {
1257         .pin_clk        = S3C2410_GPG7,
1258         .pin_mosi       = S3C2410_GPG6,
1259         .pin_miso       = S3C2410_GPG5,
1260         .bus_num        = 3,
1261         .num_chipselect = 2,
1262         .chip_select    = gta02_lis302_chip_select,
1263         .non_blocking_transfer = 1,
1264 };
1265
1266 static struct platform_device gta02_spi_gpio_dev = {
1267         .name           = "spi_s3c24xx_gpio",
1268         .dev = {
1269                 .platform_data = &gta02_spigpio_cfg,
1270         },
1271 };
1272
1273 /*----------- / SPI: Accelerometers attached to SPI of s3c244x ----------------- */
1274
1275 static struct resource gta02_led_resources[] = {
1276         {
1277                 .name   = "gta02-power:orange",
1278                 .start  = GTA02_GPIO_PWR_LED1,
1279                 .end    = GTA02_GPIO_PWR_LED1,
1280         }, {
1281                 .name   = "gta02-power:blue",
1282                 .start  = GTA02_GPIO_PWR_LED2,
1283                 .end    = GTA02_GPIO_PWR_LED2,
1284         }, {
1285                 .name   = "gta02-aux:red",
1286                 .start  = GTA02_GPIO_AUX_LED,
1287                 .end    = GTA02_GPIO_AUX_LED,
1288         },
1289 };
1290
1291 struct platform_device gta02_led_dev = {
1292         .name           = "gta02-led",
1293         .num_resources  = ARRAY_SIZE(gta02_led_resources),
1294         .resource       = gta02_led_resources,
1295 };
1296
1297 static struct resource gta02_button_resources[] = {
1298         [0] = {
1299                 .start = GTA02_GPIO_AUX_KEY,
1300                 .end   = GTA02_GPIO_AUX_KEY,
1301         },
1302         [1] = {
1303                 .start = GTA02_GPIO_HOLD_KEY,
1304                 .end   = GTA02_GPIO_HOLD_KEY,
1305         },
1306         [2] = {
1307                 .start = GTA02_GPIO_JACK_INSERT,
1308                 .end   = GTA02_GPIO_JACK_INSERT,
1309         },
1310         [3] = {
1311                 .start = 0,
1312                 .end   = 0,
1313         },
1314         [4] = {
1315                 .start = 0,
1316                 .end   = 0,
1317         },
1318 };
1319
1320 static struct platform_device gta02_button_dev = {
1321         .name           = "gta02-button",
1322         .num_resources  = ARRAY_SIZE(gta02_button_resources),
1323         .resource       = gta02_button_resources,
1324 };
1325
1326 static struct platform_device gta02_pm_usbhost_dev = {
1327         .name           = "gta02-pm-host",
1328 };
1329
1330
1331 /* USB */
1332 static struct s3c2410_hcd_info gta02_usb_info = {
1333         .port[0]        = {
1334                 .flags  = S3C_HCDFLG_USED,
1335         },
1336         .port[1]        = {
1337                 .flags  = 0,
1338         },
1339 };
1340
1341 static int glamo_irq_is_wired(void)
1342 {
1343         int rc;
1344         int count = 0;
1345
1346         /*
1347         * GTA02 S-Media IRQs prior to A5 are broken due to a lack of
1348         * a pullup on the INT# line.  Check for the bad behaviour.
1349         */
1350         s3c2410_gpio_setpin(S3C2410_GPG4, 0);
1351         s3c2410_gpio_cfgpin(S3C2410_GPG4, S3C2410_GPG4_OUTP);
1352         s3c2410_gpio_cfgpin(S3C2410_GPG4, S3C2410_GPG4_INP);
1353         /*
1354         * we force it low ourselves for a moment and resume being input.
1355         * If there is a pullup, it won't stay low for long.  But if the
1356         * level converter is there as on < A5 revision, the weak keeper
1357         * on the input of the LC will hold the line low indefinitiely
1358         */
1359         do
1360                 rc = s3c2410_gpio_getpin(S3C2410_GPG4);
1361         while ((!rc) && ((count++) < 10));
1362         if (rc) { /* it got pulled back up, it's good */
1363                 printk(KERN_INFO "Detected S-Media IRQ# pullup, "
1364                 "enabling interrupt\n");
1365                 return 0;
1366         } else  /* Gah we can't work with this level converter */
1367                 printk(KERN_WARNING "** Detected bad IRQ# circuit found"
1368                 " on pre-A5 GTA02: S-Media interrupt disabled **\n");
1369         return -ENODEV;
1370 }
1371
1372 static int gta02_glamo_can_set_mmc_power(void)
1373 {
1374         switch (S3C_SYSTEM_REV_ATAG) {
1375                 case GTA02v3_SYSTEM_REV:
1376                 case GTA02v4_SYSTEM_REV:
1377                 case GTA02v5_SYSTEM_REV:
1378                 case GTA02v6_SYSTEM_REV:
1379                         return 1;
1380         }
1381
1382         return 0;
1383 }
1384
1385 /* Smedia Glamo 3362 */
1386
1387 /*
1388  * we crank down SD Card clock dynamically when GPS is powered
1389  */
1390
1391 static int gta02_glamo_mci_use_slow(void)
1392 {
1393         return gta02_pm_gps_is_on();
1394 }
1395
1396 static void gta02_glamo_external_reset(int level)
1397 {
1398         s3c2410_gpio_setpin(GTA02_GPIO_3D_RESET, level);
1399         s3c2410_gpio_cfgpin(GTA02_GPIO_3D_RESET, S3C2410_GPIO_OUTPUT);
1400 }
1401
1402 static struct fb_videomode gta02_glamo_modes[] = {
1403         {
1404                 .name = "480x640",
1405                 .xres = 480,
1406                 .yres = 640,
1407                 .pixclock       = 40816,
1408                 .left_margin    = 8,
1409                 .right_margin   = 16,
1410                 .upper_margin   = 2,
1411                 .lower_margin   = 16,
1412                 .hsync_len      = 8,
1413                 .vsync_len      = 2,
1414                 .vmode = FB_VMODE_NONINTERLACED,
1415         }, {
1416                 .name = "240x320",
1417                 .xres = 240,
1418                 .yres = 320,
1419                 .pixclock       = 40816,
1420                 .left_margin    = 8,
1421                 .right_margin   = 16,
1422                 .upper_margin   = 2,
1423                 .lower_margin   = 16,
1424                 .hsync_len      = 8,
1425                 .vsync_len      = 2,
1426                 .vmode = FB_VMODE_NONINTERLACED,
1427         }
1428 };
1429
1430
1431 static struct glamofb_platform_data gta02_glamo_pdata = {
1432         .width          = 43,
1433         .height         = 58,
1434         .fb_mem_size    = 0x400000, /* glamo has 8 megs of SRAM. we use 4 */
1435
1436         .num_modes = ARRAY_SIZE(gta02_glamo_modes),
1437         .modes = gta02_glamo_modes,
1438
1439         //.spi_info     = &glamo_spi_cfg,
1440         .spigpio_info   = &glamo_spigpio_cfg,
1441
1442         /* glamo MMC function platform data */
1443         .mmc_dev = &gta02_mmc_dev,
1444         .glamo_can_set_mci_power = gta02_glamo_can_set_mmc_power,
1445         .glamo_mci_use_slow = gta02_glamo_mci_use_slow,
1446         .glamo_irq_is_wired = glamo_irq_is_wired,
1447         .glamo_external_reset = gta02_glamo_external_reset
1448 };
1449
1450 static struct resource gta02_glamo_resources[] = {
1451         [0] = {
1452                 .start  = S3C2410_CS1,
1453                 .end    = S3C2410_CS1 + 0x1000000 - 1,
1454                 .flags  = IORESOURCE_MEM,
1455         },
1456         [1] = {
1457                 .start  = GTA02_IRQ_3D,
1458                 .end    = GTA02_IRQ_3D,
1459                 .flags  = IORESOURCE_IRQ,
1460         },
1461         [2] = {
1462                 .start = GTA02_GPIO_3D_RESET,
1463                 .end   = GTA02_GPIO_3D_RESET,
1464         },
1465 };
1466
1467 static struct platform_device gta02_glamo_dev = {
1468         .name           = "glamo3362",
1469         .num_resources  = ARRAY_SIZE(gta02_glamo_resources),
1470         .resource       = gta02_glamo_resources,
1471         .dev            = {
1472                 .platform_data  = &gta02_glamo_pdata,
1473         },
1474 };
1475
1476 static void mangle_glamo_res_by_system_rev(void)
1477 {
1478         switch (S3C_SYSTEM_REV_ATAG) {
1479         case GTA02v1_SYSTEM_REV:
1480                 break;
1481         default:
1482                 gta02_glamo_resources[2].start = GTA02_GPIO_3D_RESET;
1483                 gta02_glamo_resources[2].end = GTA02_GPIO_3D_RESET;
1484                 break;
1485         }
1486
1487         switch (S3C_SYSTEM_REV_ATAG) {
1488         case GTA02v1_SYSTEM_REV:
1489         case GTA02v2_SYSTEM_REV:
1490         case GTA02v3_SYSTEM_REV:
1491         /* case GTA02v4_SYSTEM_REV: - FIXME: handle this later */
1492                 /* The hardware is missing a pull-up resistor and thus can't
1493                  * support the Smedia Glamo IRQ */
1494                 gta02_glamo_resources[1].start = 0;
1495                 gta02_glamo_resources[1].end = 0;
1496                 break;
1497         }
1498 }
1499
1500 static void __init gta02_map_io(void)
1501 {
1502         s3c24xx_init_io(gta02_iodesc, ARRAY_SIZE(gta02_iodesc));
1503         s3c24xx_init_clocks(12000000);
1504         s3c24xx_init_uarts(gta02_uartcfgs, ARRAY_SIZE(gta02_uartcfgs));
1505 }
1506
1507 static irqreturn_t gta02_modem_irq(int irq, void *param)
1508 {
1509 /*      printk(KERN_DEBUG "modem wakeup interrupt\n");*/
1510         gta_gsm_interrupts++;
1511         return IRQ_HANDLED;
1512 }
1513
1514 static irqreturn_t ar6000_wow_irq(int irq, void *param)
1515 {
1516 /*      printk(KERN_DEBUG "ar6000_wow interrupt\n");*/
1517         return IRQ_HANDLED;
1518 }
1519
1520 /*
1521  * hardware_ecc=1|0
1522  */
1523 static char hardware_ecc_str[4] __initdata = "";
1524
1525 static int __init hardware_ecc_setup(char *str)
1526 {
1527         if (str)
1528                 strlcpy(hardware_ecc_str, str, sizeof(hardware_ecc_str));
1529         return 1;
1530 }
1531
1532 __setup("hardware_ecc=", hardware_ecc_setup);
1533
1534 /* these are the guys that don't need to be children of PMU */
1535
1536 static struct platform_device *gta02_devices[] __initdata = {
1537         &s3c_device_usb,
1538         &s3c_device_wdt,
1539         &s3c_device_sdi,
1540         &s3c_device_usbgadget,
1541         &s3c_device_nand,
1542         &gta02_nor_flash,
1543
1544         &s3c24xx_pwm_device,
1545         &gta02_led_dev,
1546         &gta02_pm_wlan_dev, /* not dependent on PMU */
1547
1548         &s3c_device_iis,
1549         &s3c_device_i2c0,
1550 };
1551
1552 /* these guys DO need to be children of PMU */
1553
1554 static struct platform_device *gta02_devices_pmu_children[] = {
1555         &s3c_device_ts, /* input 1 */
1556         &gta02_pm_gsm_dev,
1557         &gta02_pm_usbhost_dev,
1558         &gta02_spi_gpio_dev, /* input 2 and 3 */
1559         &gta02_button_dev, /* input 4 */
1560         &gta02_resume_reason_device,
1561 };
1562
1563 static void gta02_pmu_regulator_registered(struct pcf50633 *pcf, int id)
1564 {
1565         struct platform_device *regulator, *pdev;
1566
1567         gta02_pcf = pcf;
1568
1569         regulator = pcf->regulator_pdev[id];
1570
1571         switch(id) {
1572                 case PCF50633_REGULATOR_LDO4:
1573                         pdev = &gta02_pm_bt_dev;
1574                         break;
1575                 case PCF50633_REGULATOR_LDO5:
1576                         pdev = &gta02_pm_gps_dev;
1577                         break;
1578                 case PCF50633_REGULATOR_HCLDO:
1579                         pdev = &gta02_glamo_dev;
1580                         break;
1581                 default:
1582             return;
1583         }
1584
1585         pdev->dev.parent = &regulator->dev;
1586         platform_device_register(pdev);
1587 }
1588
1589 /* this is called when pc50633 is probed, unfortunately quite late in the
1590  * day since it is an I2C bus device.  Here we can belatedly define some
1591  * platform devices with the advantage that we can mark the pcf50633 as the
1592  * parent.  This makes them get suspended and resumed with their parent
1593  * the pcf50633 still around.
1594  */
1595
1596 static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf)
1597 {
1598         int n;
1599
1600         for (n = 0; n < ARRAY_SIZE(gta02_devices_pmu_children); n++)
1601                 gta02_devices_pmu_children[n]->dev.parent = pcf->dev;
1602
1603         mangle_glamo_res_by_system_rev();
1604         platform_add_devices(gta02_devices_pmu_children,
1605                                         ARRAY_SIZE(gta02_devices_pmu_children));
1606
1607 /*    regulator_has_full_constraints();*/
1608 }
1609
1610 static void gta02_poweroff(void)
1611 {
1612         pcf50633_reg_set_bit_mask(gta02_pcf, PCF50633_REG_OOCSHDWN,
1613                   PCF50633_OOCSHDWN_GOSTDBY, PCF50633_OOCSHDWN_GOSTDBY);
1614 }
1615
1616 static void __init gta02_machine_init(void)
1617 {
1618         int rc;
1619
1620         /* set the panic callback to make AUX blink fast */
1621         panic_blink = gta02_panic_blink;
1622
1623         switch (S3C_SYSTEM_REV_ATAG) {
1624         case GTA02v6_SYSTEM_REV:
1625                 /* we need push-pull interrupt from motion sensors */
1626                 lis302_pdata_top.open_drain = 0;
1627                 lis302_pdata_bottom.open_drain = 0;
1628                 break;
1629         default:
1630                 break;
1631         }
1632
1633         spin_lock_init(&motion_irq_lock);
1634
1635 #ifdef CONFIG_CHARGER_PCF50633
1636         INIT_DELAYED_WORK(&gta02_charger_work, gta02_charger_worker);
1637 #endif
1638
1639         /* Glamo chip select optimization */
1640 /*       *((u32 *)(S3C2410_MEMREG(((1 + 1) << 2)))) = 0x1280; */
1641
1642         /* do not force soft ecc if we are asked to use hardware_ecc */
1643         if (hardware_ecc_str[0] == '1')
1644                 gta02_nand_info.software_ecc = 0;
1645
1646         s3c_device_usb.dev.platform_data = &gta02_usb_info;
1647         s3c_device_nand.dev.platform_data = &gta02_nand_info;
1648         s3c_device_sdi.dev.platform_data = &gta02_s3c_mmc_cfg;
1649
1650         /* acc sensor chip selects */
1651         s3c2410_gpio_setpin(S3C2410_GPD12, 1);
1652         s3c2410_gpio_cfgpin(S3C2410_GPD12, S3C2410_GPIO_OUTPUT);
1653         s3c2410_gpio_setpin(S3C2410_GPD13, 1);
1654         s3c2410_gpio_cfgpin(S3C2410_GPD13, S3C2410_GPIO_OUTPUT);
1655
1656         s3c24xx_udc_set_platdata(&gta02_udc_cfg);
1657         s3c_i2c0_set_platdata(NULL);
1658         set_s3c2410ts_info(&gta02_ts_cfg);
1659
1660         mangle_glamo_res_by_system_rev();
1661
1662         i2c_register_board_info(0, gta02_i2c_devs, ARRAY_SIZE(gta02_i2c_devs));
1663         spi_register_board_info(gta02_spi_board_info,
1664                                 ARRAY_SIZE(gta02_spi_board_info));
1665
1666 #ifdef CONFIG_CHARGER_PCF50633
1667         mangle_pmu_pdata_by_system_rev();
1668 #endif
1669
1670         platform_add_devices(gta02_devices, ARRAY_SIZE(gta02_devices));
1671
1672         s3c_pm_init();
1673
1674         /* Make sure the modem can wake us up */
1675         set_irq_type(GTA02_IRQ_MODEM, IRQ_TYPE_EDGE_RISING);
1676         rc = request_irq(GTA02_IRQ_MODEM, gta02_modem_irq, IRQF_DISABLED,
1677                          "modem", NULL);
1678         if (rc < 0)
1679                 printk(KERN_ERR "GTA02: can't request GSM modem wakeup IRQ\n");
1680         enable_irq_wake(GTA02_IRQ_MODEM);
1681
1682         /* Make sure the wifi module can wake us up*/
1683         set_irq_type(GTA02_IRQ_WLAN_GPIO1, IRQ_TYPE_EDGE_RISING);
1684         rc = request_irq(GTA02_IRQ_WLAN_GPIO1, ar6000_wow_irq, IRQF_DISABLED,
1685                         "ar6000", NULL);
1686
1687         if (rc < 0)
1688                 printk(KERN_ERR "GTA02: can't request ar6k wakeup IRQ\n");
1689         enable_irq_wake(GTA02_IRQ_WLAN_GPIO1);
1690
1691         pm_power_off = gta02_poweroff;
1692
1693         /* Register the HDQ and vibrator as children of pwm device */
1694 #ifdef CONFIG_HDQ_GPIO_BITBANG
1695         gta02_hdq_device.dev.parent = &s3c24xx_pwm_device.dev;
1696         platform_device_register(&gta02_hdq_device);
1697 #endif
1698 #ifdef CONFIG_LEDS_GTA02_VIBRATOR
1699         gta02_vibrator_dev.dev.parent = &s3c24xx_pwm_device.dev;
1700         platform_device_register(&gta02_vibrator_dev);
1701 #endif
1702 }
1703
1704 void DEBUG_LED(int n)
1705 {
1706         switch (n) {
1707         case 0:
1708                 gta02_gpb_setpin(GTA02_GPIO_PWR_LED1, 1);
1709                 break;
1710         case 1:
1711                 gta02_gpb_setpin(GTA02_GPIO_PWR_LED2, 1);
1712                 break;
1713         default:
1714                 gta02_gpb_setpin(GTA02_GPIO_AUX_LED, 1);
1715                 break;
1716         }
1717 }
1718 EXPORT_SYMBOL_GPL(DEBUG_LED);
1719
1720 MACHINE_START(NEO1973_GTA02, "GTA02")
1721         .phys_io        = S3C2410_PA_UART,
1722         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
1723         .boot_params    = S3C2410_SDRAM_PA + 0x100,
1724         .map_io         = gta02_map_io,
1725         .init_irq       = s3c24xx_init_irq,
1726         .init_machine   = gta02_machine_init,
1727         .timer          = &s3c24xx_timer,
1728 MACHINE_END