3bd404b798b1c5297ba300f527e7367cf53de2b8
[librecmc/librecmc.git] / 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                                 .always_on = 1,
577                                 .apply_uV = 1,
578                                 .state_mem = {
579                                         .enabled = 1,
580                                 },
581                         },
582                         .num_consumer_supplies = 0,
583                 },
584                 [PCF50633_REGULATOR_DOWN1] = {
585                         .constraints = {
586                                 .name = "CORE_1V3",
587                                 .min_uV = 1300000,
588                                 .max_uV = 1600000,
589                                 .valid_modes_mask = REGULATOR_MODE_NORMAL,
590                                 .boot_on = 1,
591                                 .always_on = 1,
592                                 .apply_uV = 1,
593                         },
594                         .num_consumer_supplies = 0,
595                 },
596                 [PCF50633_REGULATOR_DOWN2] = {
597                         .constraints = {
598                                 .name = "IO_1V8",
599                                 .min_uV = 1800000,
600                                 .max_uV = 1800000,
601                                 .valid_modes_mask = REGULATOR_MODE_NORMAL,
602                                 .apply_uV = 1,
603                                 .boot_on = 1,
604                                 .always_on = 1,
605                                 .state_mem = {
606                                         .enabled = 1,
607                                 },
608                         },
609                         .num_consumer_supplies = 0,
610                 },
611                 [PCF50633_REGULATOR_HCLDO] = {
612                         .constraints = {
613                                 .name = "SD_3V3",
614                                 .min_uV = 2000000,
615                                 .max_uV = 3300000,
616                                 .valid_modes_mask = REGULATOR_MODE_NORMAL,
617                                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
618                                 .boot_on = 1,
619                         },
620                         .num_consumer_supplies = 1,
621                         .consumer_supplies = hcldo_consumers,
622                 },
623                 [PCF50633_REGULATOR_LDO1] = {
624                         .constraints = {
625                                 .name = "GSENSOR_3V3",
626                                 .min_uV = 1300000,
627                                 .max_uV = 1300000,
628                                 .valid_modes_mask = REGULATOR_MODE_NORMAL,
629                                 .apply_uV = 1,
630                         },
631                         .num_consumer_supplies = 0,
632                 },
633                 [PCF50633_REGULATOR_LDO2] = {
634                         .constraints = {
635                                 .name = "CODEC_3V3",
636                                 .min_uV = 3300000,
637                                 .max_uV = 3300000,
638                                 .valid_modes_mask = REGULATOR_MODE_NORMAL,
639                                 .apply_uV = 1,
640                         },
641                         .num_consumer_supplies = 0,
642                 },
643                 [PCF50633_REGULATOR_LDO3] = {
644                         .constraints = {
645                                 .min_uV = 3000000,
646                                 .max_uV = 3000000,
647                                 .valid_modes_mask = REGULATOR_MODE_NORMAL,
648                                 .apply_uV = 1,
649                         },
650                         .num_consumer_supplies = 0,
651                 },
652                 [PCF50633_REGULATOR_LDO4] = {
653                         .constraints = {
654                                 .name = "BT_3V2",
655                                 .min_uV = 3200000,
656                                 .max_uV = 3200000,
657                                 .valid_modes_mask = REGULATOR_MODE_NORMAL,
658                                 .apply_uV = 1,
659                         },
660                         .num_consumer_supplies = 1,
661                         .consumer_supplies = ldo4_consumers,
662                 },
663                 [PCF50633_REGULATOR_LDO5] = {
664                         .constraints = {
665                                 .name = "RF_3V",
666                                 .min_uV = 1500000,
667                                 .max_uV = 1500000,
668                                 .valid_modes_mask = REGULATOR_MODE_NORMAL,
669                                 .apply_uV = 1,
670                                 .state_mem = {
671                                         .enabled = 1,
672                                 },
673                         },
674                         .num_consumer_supplies = 1,
675                         .consumer_supplies = ldo5_consumers,
676                 },
677                 [PCF50633_REGULATOR_LDO6] = {
678                         .constraints = {
679                                 .name = "LCM_3V",
680                                 .min_uV = 0,
681                                 .max_uV = 3300000,
682                                 .always_on = 1,
683                                 .valid_modes_mask = REGULATOR_MODE_NORMAL,
684                         },
685                         .num_consumer_supplies = 0,
686                 },
687                 [PCF50633_REGULATOR_MEMLDO] = {
688                         .constraints = {
689                                 .min_uV = 1800000,
690                                 .max_uV = 1800000,
691                                 .valid_modes_mask = REGULATOR_MODE_NORMAL,
692                                 .state_mem = {
693                                         .enabled = 1,
694                                 },
695                         },
696                         .num_consumer_supplies = 0,
697                 },
698
699         },
700         .probe_done = gta02_pmu_attach_child_devices,
701         .regulator_registered = gta02_pmu_regulator_registered,
702         .mbc_event_callback = gta02_pmu_event_callback,
703         .force_shutdown = gta02_pmu_force_shutdown,
704 };
705
706 static void mangle_pmu_pdata_by_system_rev(void)
707 {
708         struct regulator_init_data *reg_init_data;
709
710         reg_init_data = gta02_pcf_pdata.reg_init_data;
711
712         switch (S3C_SYSTEM_REV_ATAG) {
713         case GTA02v1_SYSTEM_REV:
714                 /* FIXME: this is only in v1 due to wrong PMU variant */
715                 reg_init_data[PCF50633_REGULATOR_DOWN2]
716                                         .constraints.state_mem.enabled = 1;
717                 break;
718         case GTA02v2_SYSTEM_REV:
719         case GTA02v3_SYSTEM_REV:
720         case GTA02v4_SYSTEM_REV:
721         case GTA02v5_SYSTEM_REV:
722         case GTA02v6_SYSTEM_REV:
723                 reg_init_data[PCF50633_REGULATOR_LDO1]
724                                         .constraints.min_uV = 3300000;
725                 reg_init_data[PCF50633_REGULATOR_LDO1]
726                                         .constraints.min_uV = 3300000;
727                 reg_init_data[PCF50633_REGULATOR_LDO1]
728                                         .constraints.state_mem.enabled = 0;
729
730                 reg_init_data[PCF50633_REGULATOR_LDO5]
731                                         .constraints.min_uV = 3000000;
732                 reg_init_data[PCF50633_REGULATOR_LDO5]
733                                         .constraints.max_uV = 3000000;
734
735                 reg_init_data[PCF50633_REGULATOR_LDO6]
736                                         .constraints.min_uV = 3000000;
737                 reg_init_data[PCF50633_REGULATOR_LDO6]
738                                         .constraints.max_uV = 3000000;
739                 reg_init_data[PCF50633_REGULATOR_LDO6]
740                                         .constraints.apply_uV = 1;
741                 break;
742         default:
743                 break;
744         }
745 }
746
747 #endif
748
749 #ifdef CONFIG_HDQ_GPIO_BITBANG
750 /* BQ27000 Battery */
751
752 struct bq27000_platform_data bq27000_pdata = {
753         .name = "battery",
754         .rsense_mohms = 20,
755         .hdq_read = hdq_read,
756         .hdq_write = hdq_write,
757         .hdq_initialized = hdq_initialized,
758         .get_charger_online_status = gta02_get_charger_online_status,
759         .get_charger_active_status = gta02_get_charger_active_status
760 };
761
762 struct platform_device bq27000_battery_device = {
763         .name           = "bq27000-battery",
764         .dev = {
765                 .platform_data = &bq27000_pdata,
766         },
767 };
768
769 /* HDQ */
770
771 static void gta02_hdq_attach_child_devices(struct device *parent_device)
772 {
773         switch (S3C_SYSTEM_REV_ATAG) {
774         case GTA02v5_SYSTEM_REV:
775         case GTA02v6_SYSTEM_REV:
776                 bq27000_battery_device.dev.parent = parent_device;
777                 platform_device_register(&bq27000_battery_device);
778                 break;
779         default:
780                 break;
781         }
782 }
783
784 static void gta02_hdq_gpio_direction_out(void)
785 {
786         s3c2410_gpio_cfgpin(GTA02v5_GPIO_HDQ, S3C2410_GPIO_OUTPUT);
787 }
788
789 static void gta02_hdq_gpio_direction_in(void)
790 {
791         s3c2410_gpio_cfgpin(GTA02v5_GPIO_HDQ, S3C2410_GPIO_INPUT);
792 }
793
794 static void gta02_hdq_gpio_set_value(int val)
795 {
796
797         s3c2410_gpio_setpin(GTA02v5_GPIO_HDQ, val);
798 }
799
800 static int gta02_hdq_gpio_get_value(void)
801 {
802         return s3c2410_gpio_getpin(GTA02v5_GPIO_HDQ);
803 }
804
805 static struct resource gta02_hdq_resources[] = {
806         [0] = {
807                 .start  = GTA02v5_GPIO_HDQ,
808                 .end    = GTA02v5_GPIO_HDQ,
809         },
810 };
811
812 struct hdq_platform_data gta02_hdq_platform_data = {
813         .attach_child_devices = gta02_hdq_attach_child_devices,
814         .gpio_dir_out = gta02_hdq_gpio_direction_out,
815         .gpio_dir_in = gta02_hdq_gpio_direction_in,
816         .gpio_set = gta02_hdq_gpio_set_value,
817         .gpio_get = gta02_hdq_gpio_get_value,
818
819         .enable_fiq = gta02_fiq_enable,
820         .disable_fiq = gta02_fiq_disable,
821         .kick_fiq = gta02_fiq_kick,
822
823 };
824
825 struct platform_device gta02_hdq_device = {
826         .name           = "hdq",
827         .num_resources  = 1,
828         .resource       = gta02_hdq_resources,
829         .dev            = {
830                 .platform_data = &gta02_hdq_platform_data,
831         },
832 };
833 #endif
834
835
836 #ifdef CONFIG_LEDS_GTA02_VIBRATOR
837 /* vibrator (child of FIQ) */
838
839 static struct resource gta02_vibrator_resources[] = {
840         [0] = {
841                 .start  = GTA02_GPIO_VIBRATOR_ON,
842                 .end    = GTA02_GPIO_VIBRATOR_ON,
843         },
844 };
845 struct gta02_vib_platform_data gta02_vib_pdata = {
846         .enable_fiq = gta02_fiq_enable,
847         .disable_fiq = gta02_fiq_disable,
848         .kick_fiq = gta02_fiq_kick,
849 };
850
851 static struct platform_device gta02_vibrator_dev = {
852         .name           = "gta02-vibrator",
853         .num_resources  = ARRAY_SIZE(gta02_vibrator_resources),
854         .resource       = gta02_vibrator_resources,
855         .dev     = {
856                 .platform_data = &gta02_vib_pdata,
857                 },
858 };
859 #endif
860
861 /* NOR Flash */
862
863 #define GTA02_FLASH_BASE        S3C2410_CS3 /* GCS3 */
864 #define GTA02_FLASH_SIZE        0x200000 /* 2MBytes */
865
866 static struct physmap_flash_data gta02_nor_flash_data = {
867         .width          = 2,
868 };
869
870 static struct resource gta02_nor_flash_resource = {
871         .start          = GTA02_FLASH_BASE,
872         .end            = GTA02_FLASH_BASE + GTA02_FLASH_SIZE - 1,
873         .flags          = IORESOURCE_MEM,
874 };
875
876 static struct platform_device gta02_nor_flash = {
877         .name           = "physmap-flash",
878         .id             = 0,
879         .dev            = {
880                                 .platform_data  = &gta02_nor_flash_data,
881                         },
882         .resource       = &gta02_nor_flash_resource,
883         .num_resources  = 1,
884 };
885
886
887 struct platform_device s3c24xx_pwm_device = {
888         .name           = "s3c24xx_pwm",
889         .num_resources  = 0,
890 };
891
892 static struct i2c_board_info gta02_i2c_devs[] __initdata = {
893         {
894                 I2C_BOARD_INFO("pcf50633", 0x73),
895                 .irq = GTA02_IRQ_PCF50633,
896                 .platform_data = &gta02_pcf_pdata,
897         },
898         {
899                 I2C_BOARD_INFO("wm8753", 0x1a),
900         },
901 };
902
903 static struct s3c2410_nand_set gta02_nand_sets[] = {
904         [0] = {
905                 .name           = "neo1973-nand",
906                 .nr_chips       = 1,
907                 .flags          = S3C2410_NAND_BBT,
908         },
909 };
910
911 /* choose a set of timings derived from S3C@2442B MCP54 
912  * data sheet (K5D2G13ACM-D075 MCP Memory)
913  */
914
915 static struct s3c2410_platform_nand gta02_nand_info = {
916         .tacls          = 0,
917         .twrph0         = 25,
918         .twrph1         = 15,
919         .nr_sets        = ARRAY_SIZE(gta02_nand_sets),
920         .sets           = gta02_nand_sets,
921         .software_ecc   = 1,
922 };
923
924
925 static void gta02_s3c_mmc_set_power(unsigned char power_mode,
926     unsigned short vdd)
927 {
928         static int is_on = -1;
929         int on;
930
931         on = power_mode == MMC_POWER_ON || power_mode == MMC_POWER_UP;
932         if (is_on != on)
933                 gta02_wlan_reset(!on);
934         is_on = on;
935 }
936
937
938 static struct s3c24xx_mci_pdata gta02_s3c_mmc_cfg = {
939         .set_power      = gta02_s3c_mmc_set_power,
940 };
941
942 static void gta02_udc_command(enum s3c2410_udc_cmd_e cmd)
943 {
944         switch (cmd) {
945         case S3C2410_UDC_P_ENABLE:
946                 printk(KERN_DEBUG "%s S3C2410_UDC_P_ENABLE\n", __func__);
947             gta02_gpb_setpin(GTA02_GPIO_USB_PULLUP, 1);
948                 break;
949         case S3C2410_UDC_P_DISABLE:
950                 printk(KERN_DEBUG "%s S3C2410_UDC_P_DISABLE\n", __func__);
951                 gta02_gpb_setpin(GTA02_GPIO_USB_PULLUP, 0);
952                 break;
953         case S3C2410_UDC_P_RESET:
954                 printk(KERN_DEBUG "%s S3C2410_UDC_P_RESET\n", __func__);
955                 /* FIXME! */
956                 break;
957         default:
958                 break;
959         }
960 }
961
962 /* get PMU to set USB current limit accordingly */
963
964 static struct s3c2410_udc_mach_info gta02_udc_cfg = {
965         .vbus_draw      = gta02_udc_vbus_draw,
966         .udc_command    = gta02_udc_command,
967 /*      .get_vbus_status = gta02_udc_vbus_status,*/
968 };
969
970
971 /* Touchscreen configuration. */
972
973 #ifdef CONFIG_TOUCHSCREEN_FILTER
974 const static struct ts_filter_group_configuration gta02_ts_group = {
975         .length = 12,
976         .close_enough = 10,
977         .threshold = 6,         /* At least half of the points in a group. */
978         .attempts = 10,
979 };
980
981 const static struct ts_filter_median_configuration gta02_ts_median = {
982         .extent = 20,
983         .decimation_below = 3,
984         .decimation_threshold = 8 * 3,
985         .decimation_above = 4,
986 };
987
988 const static struct ts_filter_mean_configuration gta02_ts_mean = {
989         .length = 4,
990 };
991
992 const static struct ts_filter_linear_configuration gta02_ts_linear = {
993         .constants = {1, 0, 0, 0, 1, 0, 1},     /* Don't modify coords. */
994         .coord0 = 0,
995         .coord1 = 1,
996 };
997 #endif
998
999 const static struct ts_filter_chain_configuration gta02_filter_configuration[] =
1000 {
1001 #ifdef CONFIG_TOUCHSCREEN_FILTER
1002         {&ts_filter_group_api,          &gta02_ts_group.config},
1003         {&ts_filter_median_api,         &gta02_ts_median.config},
1004         {&ts_filter_mean_api,           &gta02_ts_mean.config},
1005         {&ts_filter_linear_api,         &gta02_ts_linear.config},
1006 #endif
1007         {NULL, NULL},
1008 };
1009
1010 const static struct s3c2410_ts_mach_info gta02_ts_cfg = {
1011         .delay = 10000,
1012         .presc = 0xff, /* slow as we can go */
1013         .filter_config = gta02_filter_configuration,
1014 };
1015
1016
1017
1018 static void gta02_bl_set_intensity(int intensity)
1019 {
1020         struct pcf50633 *pcf = gta02_pcf;
1021         int old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT);
1022         int ret;
1023
1024         intensity >>= 2;
1025
1026         /*
1027          * One code path that leads here is from a kernel panic. Trying to turn
1028          * the backlight on just gives us a nearly endless stream of complaints
1029          * and accomplishes nothing. We can't win. Just give up.
1030          *
1031          * In the unlikely event that there's another path leading here while
1032          * we're atomic, we print at least a warning.
1033          */
1034         if (in_atomic()) {
1035                 printk(KERN_ERR
1036                     "gta02_bl_set_intensity called while atomic\n");
1037                 return;
1038         }
1039
1040         if (!(pcf50633_reg_read(pcf, PCF50633_REG_LEDENA) & 3))
1041                 old_intensity = 0;
1042         else
1043                 old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT);
1044
1045         if (intensity == old_intensity)
1046                 return;
1047
1048         /* We can't do this anywhere else */
1049         pcf50633_reg_write(pcf, PCF50633_REG_LEDDIM, 5);
1050
1051         /*
1052          * The PCF50633 cannot handle LEDOUT = 0 (datasheet p60)
1053          * if seen, you have to re-enable the LED unit
1054          */
1055         if (!intensity || !old_intensity)
1056                 pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0);
1057
1058         if (!intensity) /* illegal to set LEDOUT to 0 */
1059                 ret = pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f,
1060                                                                              2);
1061         else
1062                 ret = pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f,
1063                                intensity);
1064
1065         if (intensity)
1066                 pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 2);
1067
1068 }
1069
1070 static struct generic_bl_info gta02_bl_info = {
1071         .name                   = "gta02-bl",
1072         .max_intensity          = 0xff,
1073         .default_intensity      = 0xff,
1074         .set_bl_intensity       = gta02_bl_set_intensity,
1075 };
1076
1077 static struct platform_device gta02_bl_dev = {
1078         .name             = "generic-bl",
1079         .id               = 1,
1080         .dev = {
1081                 .platform_data = &gta02_bl_info,
1082         },
1083 };
1084
1085 /* SPI: LCM control interface attached to Glamo3362 */
1086
1087 static void gta02_jbt6k74_reset(int devidx, int level)
1088 {
1089         glamo_lcm_reset(&gta02_glamo_dev, level);
1090 }
1091
1092 static void gta02_jbt6k74_probe_completed(struct device *dev)
1093 {
1094         struct pcf50633 *pcf = gta02_pcf;
1095
1096         /* Switch on backlight. Qi does not do it for us */
1097         pcf50633_reg_write(pcf, PCF50633_REG_LEDOUT, 0x01);
1098         pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0x00);
1099         pcf50633_reg_write(pcf, PCF50633_REG_LEDDIM, 0x01);
1100         pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0x01);
1101
1102         gta02_bl_dev.dev.parent = dev;
1103         platform_device_register(&gta02_bl_dev);
1104 }
1105
1106 const struct jbt6k74_platform_data jbt6k74_pdata = {
1107         .reset          = gta02_jbt6k74_reset,
1108         .probe_completed = gta02_jbt6k74_probe_completed,
1109 };
1110
1111 static struct glamo_spigpio_info glamo_spigpio_cfg = {
1112         .pin_clk        = GLAMO_GPIO10_OUTPUT,
1113         .pin_mosi       = GLAMO_GPIO11_OUTPUT,
1114         .pin_cs         = GLAMO_GPIO12_OUTPUT,
1115         .pin_miso       = 0,
1116         .bus_num        = 2,
1117 };
1118
1119 /*----------- SPI: Accelerometers attached to SPI of s3c244x ----------------- */
1120
1121 void gta02_lis302dl_suspend_io(struct lis302dl_info *lis, int resume)
1122 {
1123         struct lis302dl_platform_data *pdata = lis->pdata;
1124
1125         if (!resume) {
1126                  /*
1127                  * we don't want to power them with a high level
1128                  * because GSENSOR_3V3 is not up during suspend
1129                  */
1130                 s3c2410_gpio_setpin(pdata->pin_chip_select, 0);
1131                 s3c2410_gpio_setpin(pdata->pin_clk, 0);
1132                 s3c2410_gpio_setpin(pdata->pin_mosi, 0);
1133                 /* misnomer: it is a pullDOWN in 2442 */
1134                 s3c2410_gpio_pullup(pdata->pin_miso, 1);
1135                 return;
1136         }
1137
1138         /* back to normal */
1139         s3c2410_gpio_setpin(pdata->pin_chip_select, 1);
1140         s3c2410_gpio_setpin(pdata->pin_clk, 1);
1141         /* misnomer: it is a pullDOWN in 2442 */
1142         s3c2410_gpio_pullup(pdata->pin_miso, 0);
1143
1144         s3c2410_gpio_cfgpin(pdata->pin_chip_select, S3C2410_GPIO_OUTPUT);
1145         s3c2410_gpio_cfgpin(pdata->pin_clk, S3C2410_GPIO_OUTPUT);
1146         s3c2410_gpio_cfgpin(pdata->pin_mosi, S3C2410_GPIO_OUTPUT);
1147         s3c2410_gpio_cfgpin(pdata->pin_miso, S3C2410_GPIO_INPUT);
1148
1149 }
1150
1151 struct lis302dl_platform_data lis302_pdata_top = {
1152                 .name           = "lis302-1 (top)",
1153                 .pin_chip_select= S3C2410_GPD12,
1154                 .pin_clk        = S3C2410_GPG7,
1155                 .pin_mosi       = S3C2410_GPG6,
1156                 .pin_miso       = S3C2410_GPG5,
1157                 .interrupt      = GTA02_IRQ_GSENSOR_1,
1158                 .open_drain     = 1, /* altered at runtime by PCB rev */
1159                 .lis302dl_suspend_io = gta02_lis302dl_suspend_io,
1160 };
1161
1162 struct lis302dl_platform_data lis302_pdata_bottom = {
1163                 .name           = "lis302-2 (bottom)",
1164                 .pin_chip_select= S3C2410_GPD13,
1165                 .pin_clk        = S3C2410_GPG7,
1166                 .pin_mosi       = S3C2410_GPG6,
1167                 .pin_miso       = S3C2410_GPG5,
1168                 .interrupt      = GTA02_IRQ_GSENSOR_2,
1169                 .open_drain     = 1, /* altered at runtime by PCB rev */
1170                 .lis302dl_suspend_io = gta02_lis302dl_suspend_io,
1171 };
1172
1173 static struct spi_board_info gta02_spi_board_info[] = {
1174         {
1175                 .modalias       = "jbt6k74",
1176                 /* platform_data */
1177                 .platform_data  = &jbt6k74_pdata,
1178                 /* controller_data */
1179                 /* irq */
1180                 .max_speed_hz   = 100 * 1000,
1181                 .bus_num        = 2,
1182                 /* chip_select */
1183         },
1184         {
1185                 .modalias       = "lis302dl",
1186                 /* platform_data */
1187                 .platform_data  = &lis302_pdata_top,
1188                 /* controller_data */
1189                 /* irq */
1190                 .max_speed_hz   = 100 * 1000,
1191                 .bus_num        = 3,
1192                 .chip_select    = 0,
1193         },
1194
1195         {
1196                 .modalias       = "lis302dl",
1197                 /* platform_data */
1198                 .platform_data  = &lis302_pdata_bottom,
1199                 /* controller_data */
1200                 /* irq */
1201                 .max_speed_hz   = 100 * 1000,
1202                 .bus_num        = 3,
1203                 .chip_select    = 1,
1204         },
1205
1206 };
1207
1208 static void gta02_lis302_chip_select(struct s3c2410_spigpio_info *info, int csid, int cs)
1209 {
1210
1211         /*
1212          * Huh... "quirk"... CS on this device is not really "CS" like you can
1213          * expect.
1214          *
1215          * When it is 0 it selects SPI interface mode.
1216          * When it is 1 it selects I2C interface mode.
1217          *
1218          * Because we have 2 devices on one interface we have to make sure
1219          * that the "disabled" device (actually in I2C mode) don't think we're
1220          * talking to it.
1221          *
1222          * When we talk to the "enabled" device, the "disabled" device sees
1223          * the clocks as I2C clocks, creating havoc.
1224          *
1225          * I2C sees MOSI going LOW while CLK HIGH as a START action, thus we
1226          * must ensure this is never issued.
1227          */
1228
1229         int cs_gpio, other_cs_gpio;
1230
1231         cs_gpio = csid ? S3C2410_GPD13 : S3C2410_GPD12;
1232         other_cs_gpio = (1 - csid) ? S3C2410_GPD13 : S3C2410_GPD12;
1233         
1234
1235         if (cs == BITBANG_CS_ACTIVE) {
1236                 s3c2410_gpio_setpin(other_cs_gpio, 1);
1237                 s3c2410_gpio_setpin(cs_gpio, 1);
1238                 s3c2410_gpio_setpin(info->pin_clk, 1);
1239                 s3c2410_gpio_setpin(cs_gpio, 0);
1240         } else {
1241                 s3c2410_gpio_setpin(cs_gpio, 1);
1242                 s3c2410_gpio_setpin(other_cs_gpio, 1);
1243         } 
1244 }
1245
1246 static struct s3c2410_spigpio_info gta02_spigpio_cfg = {
1247         .pin_clk        = S3C2410_GPG7,
1248         .pin_mosi       = S3C2410_GPG6,
1249         .pin_miso       = S3C2410_GPG5,
1250         .bus_num        = 3,
1251         .num_chipselect = 2,
1252         .chip_select    = gta02_lis302_chip_select,
1253         .non_blocking_transfer = 1,
1254 };
1255
1256 static struct platform_device gta02_spi_gpio_dev = {
1257         .name           = "spi_s3c24xx_gpio",
1258         .dev = {
1259                 .platform_data = &gta02_spigpio_cfg,
1260         },
1261 };
1262
1263 /*----------- / SPI: Accelerometers attached to SPI of s3c244x ----------------- */
1264
1265 static struct resource gta02_led_resources[] = {
1266         {
1267                 .name   = "gta02-power:orange",
1268                 .start  = GTA02_GPIO_PWR_LED1,
1269                 .end    = GTA02_GPIO_PWR_LED1,
1270         }, {
1271                 .name   = "gta02-power:blue",
1272                 .start  = GTA02_GPIO_PWR_LED2,
1273                 .end    = GTA02_GPIO_PWR_LED2,
1274         }, {
1275                 .name   = "gta02-aux:red",
1276                 .start  = GTA02_GPIO_AUX_LED,
1277                 .end    = GTA02_GPIO_AUX_LED,
1278         },
1279 };
1280
1281 struct platform_device gta02_led_dev = {
1282         .name           = "gta02-led",
1283         .num_resources  = ARRAY_SIZE(gta02_led_resources),
1284         .resource       = gta02_led_resources,
1285 };
1286
1287 static struct resource gta02_button_resources[] = {
1288         [0] = {
1289                 .start = GTA02_GPIO_AUX_KEY,
1290                 .end   = GTA02_GPIO_AUX_KEY,
1291         },
1292         [1] = {
1293                 .start = GTA02_GPIO_HOLD_KEY,
1294                 .end   = GTA02_GPIO_HOLD_KEY,
1295         },
1296         [2] = {
1297                 .start = GTA02_GPIO_JACK_INSERT,
1298                 .end   = GTA02_GPIO_JACK_INSERT,
1299         },
1300         [3] = {
1301                 .start = 0,
1302                 .end   = 0,
1303         },
1304         [4] = {
1305                 .start = 0,
1306                 .end   = 0,
1307         },
1308 };
1309
1310 static struct platform_device gta02_button_dev = {
1311         .name           = "gta02-button",
1312         .num_resources  = ARRAY_SIZE(gta02_button_resources),
1313         .resource       = gta02_button_resources,
1314 };
1315
1316 static struct platform_device gta02_pm_usbhost_dev = {
1317         .name           = "gta02-pm-host",
1318 };
1319
1320
1321 /* USB */
1322 static struct s3c2410_hcd_info gta02_usb_info = {
1323         .port[0]        = {
1324                 .flags  = S3C_HCDFLG_USED,
1325         },
1326         .port[1]        = {
1327                 .flags  = 0,
1328         },
1329 };
1330
1331 static int glamo_irq_is_wired(void)
1332 {
1333         int rc;
1334         int count = 0;
1335
1336         /*
1337         * GTA02 S-Media IRQs prior to A5 are broken due to a lack of
1338         * a pullup on the INT# line.  Check for the bad behaviour.
1339         */
1340         s3c2410_gpio_setpin(S3C2410_GPG4, 0);
1341         s3c2410_gpio_cfgpin(S3C2410_GPG4, S3C2410_GPG4_OUTP);
1342         s3c2410_gpio_cfgpin(S3C2410_GPG4, S3C2410_GPG4_INP);
1343         /*
1344         * we force it low ourselves for a moment and resume being input.
1345         * If there is a pullup, it won't stay low for long.  But if the
1346         * level converter is there as on < A5 revision, the weak keeper
1347         * on the input of the LC will hold the line low indefinitiely
1348         */
1349         do
1350                 rc = s3c2410_gpio_getpin(S3C2410_GPG4);
1351         while ((!rc) && ((count++) < 10));
1352         if (rc) { /* it got pulled back up, it's good */
1353                 printk(KERN_INFO "Detected S-Media IRQ# pullup, "
1354                 "enabling interrupt\n");
1355                 return 0;
1356         } else  /* Gah we can't work with this level converter */
1357                 printk(KERN_WARNING "** Detected bad IRQ# circuit found"
1358                 " on pre-A5 GTA02: S-Media interrupt disabled **\n");
1359         return -ENODEV;
1360 }
1361
1362 static int gta02_glamo_can_set_mmc_power(void)
1363 {
1364         switch (S3C_SYSTEM_REV_ATAG) {
1365                 case GTA02v3_SYSTEM_REV:
1366                 case GTA02v4_SYSTEM_REV:
1367                 case GTA02v5_SYSTEM_REV:
1368                 case GTA02v6_SYSTEM_REV:
1369                         return 1;
1370         }
1371
1372         return 0;
1373 }
1374
1375 /* Smedia Glamo 3362 */
1376
1377 /*
1378  * we crank down SD Card clock dynamically when GPS is powered
1379  */
1380
1381 static int gta02_glamo_mci_use_slow(void)
1382 {
1383         return gta02_pm_gps_is_on();
1384 }
1385
1386 static void gta02_glamo_external_reset(int level)
1387 {
1388         s3c2410_gpio_setpin(GTA02_GPIO_3D_RESET, level);
1389         s3c2410_gpio_cfgpin(GTA02_GPIO_3D_RESET, S3C2410_GPIO_OUTPUT);
1390 }
1391
1392 static struct fb_videomode gta02_glamo_modes[] = {
1393         {
1394                 .name = "480x640",
1395                 .xres = 480,
1396                 .yres = 640,
1397                 .pixclock       = 40816,
1398                 .left_margin    = 8,
1399                 .right_margin   = 16,
1400                 .upper_margin   = 2,
1401                 .lower_margin   = 16,
1402                 .hsync_len      = 8,
1403                 .vsync_len      = 2,
1404                 .vmode = FB_VMODE_NONINTERLACED,
1405         }, {
1406                 .name = "240x320",
1407                 .xres = 240,
1408                 .yres = 320,
1409                 .pixclock       = 40816,
1410                 .left_margin    = 8,
1411                 .right_margin   = 16,
1412                 .upper_margin   = 2,
1413                 .lower_margin   = 16,
1414                 .hsync_len      = 8,
1415                 .vsync_len      = 2,
1416                 .vmode = FB_VMODE_NONINTERLACED,
1417         }
1418 };
1419
1420
1421 static struct glamofb_platform_data gta02_glamo_pdata = {
1422         .width          = 43,
1423         .height         = 58,
1424
1425         .num_modes = ARRAY_SIZE(gta02_glamo_modes),
1426         .modes = gta02_glamo_modes,
1427
1428         .spigpio_info   = &glamo_spigpio_cfg,
1429
1430         /* glamo MMC function platform data */
1431         .glamo_can_set_mci_power = gta02_glamo_can_set_mmc_power,
1432         .glamo_mci_use_slow = gta02_glamo_mci_use_slow,
1433         .glamo_irq_is_wired = glamo_irq_is_wired,
1434         .glamo_external_reset = gta02_glamo_external_reset
1435 };
1436
1437 static struct resource gta02_glamo_resources[] = {
1438         [0] = {
1439                 .start  = S3C2410_CS1,
1440                 .end    = S3C2410_CS1 + 0x1000000 - 1,
1441                 .flags  = IORESOURCE_MEM,
1442         },
1443         [1] = {
1444                 .start  = GTA02_IRQ_3D,
1445                 .end    = GTA02_IRQ_3D,
1446                 .flags  = IORESOURCE_IRQ,
1447         },
1448         [2] = {
1449                 .start = GTA02_GPIO_3D_RESET,
1450                 .end   = GTA02_GPIO_3D_RESET,
1451         },
1452 };
1453
1454 static struct platform_device gta02_glamo_dev = {
1455         .name           = "glamo3362",
1456         .num_resources  = ARRAY_SIZE(gta02_glamo_resources),
1457         .resource       = gta02_glamo_resources,
1458         .dev            = {
1459                 .platform_data  = &gta02_glamo_pdata,
1460         },
1461 };
1462
1463 static void mangle_glamo_res_by_system_rev(void)
1464 {
1465         switch (S3C_SYSTEM_REV_ATAG) {
1466         case GTA02v1_SYSTEM_REV:
1467                 break;
1468         default:
1469                 gta02_glamo_resources[2].start = GTA02_GPIO_3D_RESET;
1470                 gta02_glamo_resources[2].end = GTA02_GPIO_3D_RESET;
1471                 break;
1472         }
1473
1474         switch (S3C_SYSTEM_REV_ATAG) {
1475         case GTA02v1_SYSTEM_REV:
1476         case GTA02v2_SYSTEM_REV:
1477         case GTA02v3_SYSTEM_REV:
1478         /* case GTA02v4_SYSTEM_REV: - FIXME: handle this later */
1479                 /* The hardware is missing a pull-up resistor and thus can't
1480                  * support the Smedia Glamo IRQ */
1481                 gta02_glamo_resources[1].start = 0;
1482                 gta02_glamo_resources[1].end = 0;
1483                 break;
1484         }
1485 }
1486
1487 static void __init gta02_map_io(void)
1488 {
1489         s3c24xx_init_io(gta02_iodesc, ARRAY_SIZE(gta02_iodesc));
1490         s3c24xx_init_clocks(12000000);
1491         s3c24xx_init_uarts(gta02_uartcfgs, ARRAY_SIZE(gta02_uartcfgs));
1492 }
1493
1494 static irqreturn_t gta02_modem_irq(int irq, void *param)
1495 {
1496 /*      printk(KERN_DEBUG "modem wakeup interrupt\n");*/
1497         gta_gsm_interrupts++;
1498         return IRQ_HANDLED;
1499 }
1500
1501 static irqreturn_t ar6000_wow_irq(int irq, void *param)
1502 {
1503 /*      printk(KERN_DEBUG "ar6000_wow interrupt\n");*/
1504         return IRQ_HANDLED;
1505 }
1506
1507 /*
1508  * hardware_ecc=1|0
1509  */
1510 static char hardware_ecc_str[4] __initdata = "";
1511
1512 static int __init hardware_ecc_setup(char *str)
1513 {
1514         if (str)
1515                 strlcpy(hardware_ecc_str, str, sizeof(hardware_ecc_str));
1516         return 1;
1517 }
1518
1519 __setup("hardware_ecc=", hardware_ecc_setup);
1520
1521 /* these are the guys that don't need to be children of PMU */
1522
1523 static struct platform_device *gta02_devices[] __initdata = {
1524         &s3c_device_usb,
1525         &s3c_device_wdt,
1526         &s3c_device_sdi,
1527         &s3c_device_usbgadget,
1528         &s3c_device_nand,
1529         &gta02_nor_flash,
1530
1531         &s3c24xx_pwm_device,
1532         &gta02_led_dev,
1533         &gta02_pm_wlan_dev, /* not dependent on PMU */
1534
1535         &s3c_device_iis,
1536         &s3c_device_i2c0,
1537 };
1538
1539 /* these guys DO need to be children of PMU */
1540
1541 static struct platform_device *gta02_devices_pmu_children[] = {
1542         &s3c_device_ts, /* input 1 */
1543         &gta02_pm_gsm_dev,
1544         &gta02_pm_usbhost_dev,
1545         &gta02_spi_gpio_dev, /* input 2 and 3 */
1546         &gta02_button_dev, /* input 4 */
1547         &gta02_resume_reason_device,
1548 };
1549
1550 static void gta02_pmu_regulator_registered(struct pcf50633 *pcf, int id)
1551 {
1552         struct platform_device *regulator, *pdev;
1553
1554         gta02_pcf = pcf;
1555
1556         regulator = pcf->regulator_pdev[id];
1557
1558         switch(id) {
1559                 case PCF50633_REGULATOR_LDO4:
1560                         pdev = &gta02_pm_bt_dev;
1561                         break;
1562                 case PCF50633_REGULATOR_LDO5:
1563                         pdev = &gta02_pm_gps_dev;
1564                         break;
1565                 case PCF50633_REGULATOR_HCLDO:
1566                         pdev = &gta02_glamo_dev;
1567                         break;
1568                 default:
1569             return;
1570         }
1571
1572         pdev->dev.parent = &regulator->dev;
1573         platform_device_register(pdev);
1574 }
1575
1576 /* this is called when pc50633 is probed, unfortunately quite late in the
1577  * day since it is an I2C bus device.  Here we can belatedly define some
1578  * platform devices with the advantage that we can mark the pcf50633 as the
1579  * parent.  This makes them get suspended and resumed with their parent
1580  * the pcf50633 still around.
1581  */
1582
1583 static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf)
1584 {
1585         int n;
1586
1587         for (n = 0; n < ARRAY_SIZE(gta02_devices_pmu_children); n++)
1588                 gta02_devices_pmu_children[n]->dev.parent = pcf->dev;
1589
1590         mangle_glamo_res_by_system_rev();
1591         platform_add_devices(gta02_devices_pmu_children,
1592                                         ARRAY_SIZE(gta02_devices_pmu_children));
1593
1594     regulator_has_full_constraints();
1595 }
1596
1597 static void gta02_poweroff(void)
1598 {
1599         pcf50633_reg_set_bit_mask(gta02_pcf, PCF50633_REG_OOCSHDWN,
1600                   PCF50633_OOCSHDWN_GOSTDBY, PCF50633_OOCSHDWN_GOSTDBY);
1601 }
1602
1603 static void __init gta02_machine_init(void)
1604 {
1605         int rc;
1606
1607         /* set the panic callback to make AUX blink fast */
1608         panic_blink = gta02_panic_blink;
1609
1610         switch (S3C_SYSTEM_REV_ATAG) {
1611         case GTA02v6_SYSTEM_REV:
1612                 /* we need push-pull interrupt from motion sensors */
1613                 lis302_pdata_top.open_drain = 0;
1614                 lis302_pdata_bottom.open_drain = 0;
1615                 break;
1616         default:
1617                 break;
1618         }
1619
1620         spin_lock_init(&motion_irq_lock);
1621
1622 #ifdef CONFIG_CHARGER_PCF50633
1623         INIT_DELAYED_WORK(&gta02_charger_work, gta02_charger_worker);
1624 #endif
1625
1626         /* Glamo chip select optimization */
1627 /*       *((u32 *)(S3C2410_MEMREG(((1 + 1) << 2)))) = 0x1280; */
1628
1629         /* do not force soft ecc if we are asked to use hardware_ecc */
1630         if (hardware_ecc_str[0] == '1')
1631                 gta02_nand_info.software_ecc = 0;
1632
1633         s3c_device_usb.dev.platform_data = &gta02_usb_info;
1634         s3c_device_nand.dev.platform_data = &gta02_nand_info;
1635         s3c_device_sdi.dev.platform_data = &gta02_s3c_mmc_cfg;
1636
1637         /* acc sensor chip selects */
1638         s3c2410_gpio_setpin(S3C2410_GPD12, 1);
1639         s3c2410_gpio_cfgpin(S3C2410_GPD12, S3C2410_GPIO_OUTPUT);
1640         s3c2410_gpio_setpin(S3C2410_GPD13, 1);
1641         s3c2410_gpio_cfgpin(S3C2410_GPD13, S3C2410_GPIO_OUTPUT);
1642
1643         s3c24xx_udc_set_platdata(&gta02_udc_cfg);
1644         s3c_i2c0_set_platdata(NULL);
1645         set_s3c2410ts_info(&gta02_ts_cfg);
1646
1647         mangle_glamo_res_by_system_rev();
1648
1649         i2c_register_board_info(0, gta02_i2c_devs, ARRAY_SIZE(gta02_i2c_devs));
1650         spi_register_board_info(gta02_spi_board_info,
1651                                 ARRAY_SIZE(gta02_spi_board_info));
1652
1653 #ifdef CONFIG_CHARGER_PCF50633
1654         mangle_pmu_pdata_by_system_rev();
1655 #endif
1656
1657         platform_add_devices(gta02_devices, ARRAY_SIZE(gta02_devices));
1658
1659         s3c_pm_init();
1660
1661         /* Make sure the modem can wake us up */
1662         set_irq_type(GTA02_IRQ_MODEM, IRQ_TYPE_EDGE_RISING);
1663         rc = request_irq(GTA02_IRQ_MODEM, gta02_modem_irq, IRQF_DISABLED,
1664                          "modem", NULL);
1665         if (rc < 0)
1666                 printk(KERN_ERR "GTA02: can't request GSM modem wakeup IRQ\n");
1667         enable_irq_wake(GTA02_IRQ_MODEM);
1668
1669         /* Make sure the wifi module can wake us up*/
1670         set_irq_type(GTA02_IRQ_WLAN_GPIO1, IRQ_TYPE_EDGE_RISING);
1671         rc = request_irq(GTA02_IRQ_WLAN_GPIO1, ar6000_wow_irq, IRQF_DISABLED,
1672                         "ar6000", NULL);
1673
1674         if (rc < 0)
1675                 printk(KERN_ERR "GTA02: can't request ar6k wakeup IRQ\n");
1676         enable_irq_wake(GTA02_IRQ_WLAN_GPIO1);
1677
1678         pm_power_off = gta02_poweroff;
1679
1680         /* Register the HDQ and vibrator as children of pwm device */
1681 #ifdef CONFIG_HDQ_GPIO_BITBANG
1682         gta02_hdq_device.dev.parent = &s3c24xx_pwm_device.dev;
1683         platform_device_register(&gta02_hdq_device);
1684 #endif
1685 #ifdef CONFIG_LEDS_GTA02_VIBRATOR
1686         gta02_vibrator_dev.dev.parent = &s3c24xx_pwm_device.dev;
1687         platform_device_register(&gta02_vibrator_dev);
1688 #endif
1689 }
1690
1691 void DEBUG_LED(int n)
1692 {
1693         switch (n) {
1694         case 0:
1695                 gta02_gpb_setpin(GTA02_GPIO_PWR_LED1, 1);
1696                 break;
1697         case 1:
1698                 gta02_gpb_setpin(GTA02_GPIO_PWR_LED2, 1);
1699                 break;
1700         default:
1701                 gta02_gpb_setpin(GTA02_GPIO_AUX_LED, 1);
1702                 break;
1703         }
1704 }
1705 EXPORT_SYMBOL_GPL(DEBUG_LED);
1706
1707 MACHINE_START(NEO1973_GTA02, "GTA02")
1708         .phys_io        = S3C2410_PA_UART,
1709         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
1710         .boot_params    = S3C2410_SDRAM_PA + 0x100,
1711         .map_io         = gta02_map_io,
1712         .init_irq       = s3c24xx_init_irq,
1713         .init_machine   = gta02_machine_init,
1714         .timer          = &s3c24xx_timer,
1715 MACHINE_END