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Get rid of gpio shadowing.
[openwrt/staging/lynxis/omap.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/spi_gpio.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 <plat/pwm.h>
79 #include <mach/cpu.h>
80
81 #include <mach/gta02.h>
82
83 #include <plat/regs-serial.h>
84 #include <plat/nand.h>
85 #include <plat/devs.h>
86 #include <plat/cpu.h>
87 #include <plat/pm.h>
88 #include <plat/udc.h>
89 #include <plat/iic.h>
90 #include <plat/usb-control.h>
91 #include <plat/regs-timer.h>
92
93 #include <mach/gta02-pm-gsm.h>
94 #include <mach/gta02-pm-gps.h>
95 #include <mach/gta02-pm-wlan.h>
96
97 #include <linux/jbt6k74.h>
98 #include <linux/glamofb.h>
99 #include <linux/mfd/glamo.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
116 /* arbitrates which sensor IRQ owns the shared SPI bus */
117 static spinlock_t motion_irq_lock;
118
119
120 /* -------------------------------------------------------------------------------
121 * GTA02 FIQ related
122 *
123 * Calls into vibrator and hdq and based on the return values
124 * determines if we the FIQ source be kept alive
125 */
126
127 #define DIVISOR_FROM_US(x) ((x) << 3)
128
129 #ifdef CONFIG_HDQ_GPIO_BITBANG
130 #define FIQ_DIVISOR_HDQ DIVISOR_FROM_US(HDQ_SAMPLE_PERIOD_US)
131 extern int hdq_fiq_handler(void);
132 #endif
133
134 #ifdef CONFIG_LEDS_GTA02_VIBRATOR
135 #define FIQ_DIVISOR_VIBRATOR DIVISOR_FROM_US(100)
136 extern int gta02_vibrator_fiq_handler(void);
137 #endif
138
139 #if defined(CONFIG_LEDS_GTA02_VIBRATOR) || defined(CONFIG_HDQ_GPIO_BITBANG)
140
141 /* Global data related to our fiq source */
142 static u32 gta02_fiq_ack_mask;
143 static struct s3c2410_pwm gta02_fiq_pwm_timer;
144 static u16 gta02_fiq_timer_index;
145 static int gta02_fiq_irq;
146
147 static void gta02_fiq_handler(void)
148 {
149 u16 divisor = 0xffff;
150
151 /* Vibrator servicing */
152
153 /* disable further timer interrupts if nobody has any work
154 * or adjust rate according to who still has work
155 *
156 * CAUTION: it means forground code must disable FIQ around
157 * its own non-atomic S3C2410_INTMSK changes... not common
158 * thankfully and taken care of by the fiq-basis patch
159 */
160
161 #ifdef CONFIG_LEDS_GTA02_VIBRATOR
162 if (gta02_vibrator_fiq_handler())
163 divisor = FIQ_DIVISOR_VIBRATOR;
164 #endif
165
166 #ifdef CONFIG_HDQ_GPIO_BITBANG
167 if (hdq_fiq_handler())
168 divisor = FIQ_DIVISOR_HDQ;
169 #endif
170
171 if (divisor == 0xffff) /* mask the fiq irq source */
172 __raw_writel(__raw_readl(S3C2410_INTMSK) | gta02_fiq_ack_mask,
173 S3C2410_INTMSK);
174 else /* still working, maybe at a different rate */
175 __raw_writel(divisor, S3C2410_TCNTB(gta02_fiq_timer_index));
176
177 __raw_writel(gta02_fiq_ack_mask, S3C2410_SRCPND);
178 }
179
180 static void gta02_fiq_kick(void)
181 {
182 unsigned long flags;
183 u32 tcon;
184
185 /* we have to take care about FIQ because this modification is
186 * non-atomic, FIQ could come in after the read and before the
187 * writeback and its changes to the register would be lost
188 * (platform INTMSK mod code is taken care of already)
189 */
190 local_save_flags(flags);
191 local_fiq_disable();
192 /* allow FIQs to resume */
193 __raw_writel(__raw_readl(S3C2410_INTMSK) &
194 ~(1 << (gta02_fiq_irq - S3C2410_CPUIRQ_OFFSET)),
195 S3C2410_INTMSK);
196 tcon = __raw_readl(S3C2410_TCON) & ~S3C2410_TCON_T3START;
197 /* fake the timer to a count of 1 */
198 __raw_writel(1, S3C2410_TCNTB(gta02_fiq_timer_index));
199 __raw_writel(tcon | S3C2410_TCON_T3MANUALUPD, S3C2410_TCON);
200 __raw_writel(tcon | S3C2410_TCON_T3MANUALUPD | S3C2410_TCON_T3START,
201 S3C2410_TCON);
202 __raw_writel(tcon | S3C2410_TCON_T3START, S3C2410_TCON);
203 local_irq_restore(flags);
204 }
205
206 static int gta02_fiq_enable(void)
207 {
208 int irq_index_fiq = IRQ_TIMER3;
209 int rc = 0;
210
211 local_fiq_disable();
212
213 gta02_fiq_irq = irq_index_fiq;
214 gta02_fiq_ack_mask = 1 << (irq_index_fiq - S3C2410_CPUIRQ_OFFSET);
215 gta02_fiq_timer_index = (irq_index_fiq - IRQ_TIMER0);
216
217 /* set up the timer to operate as a pwm device */
218
219 rc = s3c2410_pwm_init(&gta02_fiq_pwm_timer);
220 if (rc)
221 goto bail;
222
223 gta02_fiq_pwm_timer.timerid = PWM0 + gta02_fiq_timer_index;
224 gta02_fiq_pwm_timer.prescaler = (6 - 1) / 2;
225 gta02_fiq_pwm_timer.divider = S3C2410_TCFG1_MUX3_DIV2;
226 /* default rate == ~32us */
227 gta02_fiq_pwm_timer.counter = gta02_fiq_pwm_timer.comparer = 3000;
228
229 rc = s3c2410_pwm_enable(&gta02_fiq_pwm_timer);
230 if (rc)
231 goto bail;
232
233 s3c2410_pwm_start(&gta02_fiq_pwm_timer);
234
235 /* let our selected interrupt be a magic FIQ interrupt */
236 __raw_writel(gta02_fiq_ack_mask, S3C2410_INTMOD);
237
238 /* it's ready to go as soon as we unmask the source in S3C2410_INTMSK */
239 local_fiq_enable();
240
241 set_fiq_c_handler(gta02_fiq_handler);
242
243 return 0;
244
245 bail:
246 printk(KERN_ERR "Could not initialize FIQ for GTA02: %d\n", rc);
247
248 return rc;
249 }
250
251 static void gta02_fiq_disable(void)
252 {
253 __raw_writel(0, S3C2410_INTMOD);
254 local_fiq_disable();
255 gta02_fiq_irq = 0; /* no active source interrupt now either */
256
257 }
258 /* -------------------- /GTA02 FIQ Handler ------------------------------------- */
259
260 #endif
261
262 /*
263 * this gets called every 1ms when we paniced.
264 */
265
266 static long gta02_panic_blink(long count)
267 {
268 long delay = 0;
269 static long last_blink;
270 static char led;
271
272 if (count - last_blink < 100) /* 200ms period, fast blink */
273 return 0;
274
275 led ^= 1;
276 s3c2410_gpio_cfgpin(GTA02_GPIO_AUX_LED, S3C2410_GPIO_OUTPUT);
277 s3c2410_gpio_setpin(GTA02_GPIO_AUX_LED, led);
278
279 last_blink = count;
280 return delay;
281 }
282
283
284 /**
285 * returns PCB revision information in b9,b8 and b2,b1,b0
286 * Pre-GTA02 A6 returns 0x000
287 * GTA02 A6 returns 0x101
288 * ...
289 */
290
291 int gta02_get_pcb_revision(void)
292 {
293 int n;
294 int u = 0;
295 static unsigned long pinlist[] = {
296 GTA02_PCB_ID1_0,
297 GTA02_PCB_ID1_1,
298 GTA02_PCB_ID1_2,
299 GTA02_PCB_ID2_0,
300 GTA02_PCB_ID2_1,
301 };
302 static int pin_offset[] = {
303 0, 1, 2, 8, 9
304 };
305
306 for (n = 0 ; n < ARRAY_SIZE(pinlist); n++) {
307 /*
308 * set the PCB version GPIO to be pulled-down input
309 * force low briefly first
310 */
311 s3c2410_gpio_cfgpin(pinlist[n], S3C2410_GPIO_OUTPUT);
312 s3c2410_gpio_setpin(pinlist[n], 0);
313 /* misnomer: it is a pullDOWN in 2442 */
314 s3c2410_gpio_pullup(pinlist[n], 1);
315 s3c2410_gpio_cfgpin(pinlist[n], S3C2410_GPIO_INPUT);
316
317 udelay(10);
318
319 if (s3c2410_gpio_getpin(pinlist[n]))
320 u |= 1 << pin_offset[n];
321
322 /*
323 * when not being interrogated, all of the revision GPIO
324 * are set to output HIGH without pulldown so no current flows
325 * if they are NC or pulled up.
326 */
327 s3c2410_gpio_setpin(pinlist[n], 1);
328 s3c2410_gpio_cfgpin(pinlist[n], S3C2410_GPIO_OUTPUT);
329 /* misnomer: it is a pullDOWN in 2442 */
330 s3c2410_gpio_pullup(pinlist[n], 0);
331 }
332
333 return u;
334 }
335
336 struct platform_device gta02_resume_reason_device = {
337 .name = "gta02-resume",
338 .num_resources = 0,
339 };
340
341 static struct map_desc gta02_iodesc[] __initdata = {
342 {
343 .virtual = 0xe0000000,
344 .pfn = __phys_to_pfn(S3C2410_CS3+0x01000000),
345 .length = SZ_1M,
346 .type = MT_DEVICE
347 },
348 };
349
350 #define UCON (S3C2410_UCON_DEFAULT | S3C2443_UCON_RXERR_IRQEN)
351 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
352 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
353
354 static struct s3c2410_uartcfg gta02_uartcfgs[] = {
355 [0] = {
356 .hwport = 0,
357 .flags = 0,
358 .ucon = UCON,
359 .ulcon = ULCON,
360 .ufcon = UFCON,
361 },
362 [1] = {
363 .hwport = 1,
364 .flags = 0,
365 .ucon = UCON,
366 .ulcon = ULCON,
367 .ufcon = UFCON,
368 },
369 [2] = {
370 .hwport = 2,
371 .flags = 0,
372 .ucon = UCON,
373 .ulcon = ULCON,
374 .ufcon = UFCON,
375 },
376
377 };
378
379 struct pcf50633 *gta02_pcf;
380
381 #ifdef CONFIG_CHARGER_PCF50633
382 #ifdef CONFIG_HDQ_GPIO_BITBANG
383 static int gta02_get_charger_online_status(void)
384 {
385 struct pcf50633 *pcf = gta02_pcf;
386
387 return pcf50633_mbc_get_status(pcf) & PCF50633_MBC_USB_ONLINE;
388 }
389
390 static int gta02_get_charger_active_status(void)
391 {
392 struct pcf50633 *pcf = gta02_pcf;
393
394 return pcf50633_mbc_get_status(pcf) & PCF50633_MBC_USB_ACTIVE;
395 }
396 #endif
397
398 #define ADC_NOM_CHG_DETECT_1A 6
399 #define ADC_NOM_CHG_DETECT_USB 43
400
401 static void
402 gta02_configure_pmu_for_charger(struct pcf50633 *pcf, void *unused, int res)
403 {
404 int ma;
405
406 /* Interpret charger type */
407 if (res < ((ADC_NOM_CHG_DETECT_USB + ADC_NOM_CHG_DETECT_1A) / 2)) {
408
409 /* Stop GPO driving out now that we have a IA charger */
410 pcf50633_gpio_set(pcf, PCF50633_GPO, 0);
411
412 ma = 1000;
413 } else
414 ma = 100;
415
416 pcf50633_mbc_usb_curlim_set(pcf, ma);
417 }
418
419 static struct delayed_work gta02_charger_work;
420 static int gta02_usb_vbus_draw;
421
422 static void gta02_charger_worker(struct work_struct *work)
423 {
424 struct pcf50633 *pcf = gta02_pcf;
425
426 if (gta02_usb_vbus_draw) {
427 pcf50633_mbc_usb_curlim_set(pcf, gta02_usb_vbus_draw);
428 return;
429 } else {
430 #ifdef CONFIG_PCF50633_ADC
431 pcf50633_adc_async_read(pcf,
432 PCF50633_ADCC1_MUX_ADCIN1,
433 PCF50633_ADCC1_AVERAGE_16,
434 gta02_configure_pmu_for_charger, NULL);
435 #else
436 /* If the PCF50633 ADC is disabled we fallback to a 100mA limit for safety. */
437 pcf50633_mbc_usb_curlim_set(pcf, 100);
438 #endif
439 return;
440 }
441 }
442
443 #define GTA02_CHARGER_CONFIGURE_TIMEOUT ((3000 * HZ) / 1000)
444 static void gta02_pmu_event_callback(struct pcf50633 *pcf, int irq)
445 {
446 if (irq == PCF50633_IRQ_USBINS) {
447 schedule_delayed_work(&gta02_charger_work,
448 GTA02_CHARGER_CONFIGURE_TIMEOUT);
449 return;
450 } else if (irq == PCF50633_IRQ_USBREM) {
451 cancel_delayed_work_sync(&gta02_charger_work);
452 gta02_usb_vbus_draw = 0;
453 }
454 }
455
456 static void gta02_pmu_force_shutdown(struct pcf50633 *pcf)
457 {
458 pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_OOCSHDWN,
459 PCF50633_OOCSHDWN_GOSTDBY, PCF50633_OOCSHDWN_GOSTDBY);
460 }
461
462
463 static void gta02_udc_vbus_draw(unsigned int ma)
464 {
465 if (!gta02_pcf)
466 return;
467
468 gta02_usb_vbus_draw = ma;
469
470 schedule_delayed_work(&gta02_charger_work,
471 GTA02_CHARGER_CONFIGURE_TIMEOUT);
472 }
473
474 static int gta02_udc_vbus_status(void)
475 {
476 struct pcf50633 *pcf = gta02_pcf;
477 if (!gta02_pcf)
478 return -ENODEV;
479
480 return !!(pcf50633_mbc_get_status(pcf) & PCF50633_MBC_USB_ONLINE);
481 }
482
483 #else /* !CONFIG_CHARGER_PCF50633 */
484 #ifdef CONFIG_HDQ_GPIO_BITBANG
485 #define gta02_get_charger_online_status NULL
486 #define gta02_get_charger_active_status NULL
487 #endif
488 #define gta02_pmu_event_callback NULL
489 #define gta02_udc_vbus_draw NULL
490 #define gta02_udc_vbus_status NULL
491 #endif
492
493
494 static struct platform_device gta02_pm_gps_dev = {
495 .name = "gta02-pm-gps",
496 };
497
498 static struct platform_device gta02_pm_bt_dev = {
499 .name = "gta02-pm-bt",
500 };
501
502 static struct platform_device gta02_pm_gsm_dev = {
503 .name = "gta02-pm-gsm",
504 };
505
506 static struct platform_device gta02_pm_wlan_dev = {
507 .name = "gta02-pm-wlan",
508 };
509
510 /* this is called when pc50633 is probed, unfortunately quite late in the
511 * day since it is an I2C bus device. Here we can belatedly define some
512 * platform devices with the advantage that we can mark the pcf50633 as the
513 * parent. This makes them get suspended and resumed with their parent
514 * the pcf50633 still around.
515 */
516
517 static struct platform_device gta02_glamo_dev;
518 static void mangle_glamo_res_by_system_rev(void);
519
520 static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf);
521 static void gta02_pmu_regulator_registered(struct pcf50633 *pcf, int id);
522
523 static struct regulator_consumer_supply ldo4_consumers[] = {
524 {
525 .dev = &gta02_pm_bt_dev.dev,
526 .supply = "BT_3V2",
527 },
528 };
529
530 static struct regulator_consumer_supply ldo5_consumers[] = {
531 {
532 .dev = &gta02_pm_gps_dev.dev,
533 .supply = "RF_3V",
534 },
535 };
536
537 static struct regulator_consumer_supply hcldo_consumers[] = {
538 {
539 .dev = &gta02_glamo_dev.dev,
540 .supply = "SD_3V3",
541 },
542 };
543
544 static char *gta02_batteries[] = {
545 "battery",
546 };
547
548 #ifdef CONFIG_CHARGER_PCF50633
549
550 struct pcf50633_platform_data gta02_pcf_pdata = {
551 .resumers = {
552 [0] = PCF50633_INT1_USBINS |
553 PCF50633_INT1_USBREM |
554 PCF50633_INT1_ALARM,
555 [1] = PCF50633_INT2_ONKEYF,
556 [2] = PCF50633_INT3_ONKEY1S,
557 [3] = PCF50633_INT4_LOWSYS |
558 PCF50633_INT4_LOWBAT |
559 PCF50633_INT4_HIGHTMP,
560 },
561
562 .batteries = gta02_batteries,
563 .num_batteries = ARRAY_SIZE(gta02_batteries),
564 .charging_restart_interval = (900 * HZ),
565 .chg_ref_current_ma = 1000,
566
567 .reg_init_data = {
568 [PCF50633_REGULATOR_AUTO] = {
569 .constraints = {
570 .name = "IO_3V3",
571 .min_uV = 3300000,
572 .max_uV = 3300000,
573 .valid_modes_mask = REGULATOR_MODE_NORMAL,
574 .boot_on = 1,
575 .always_on = 1,
576 .apply_uV = 1,
577 .state_mem = {
578 .enabled = 1,
579 },
580 },
581 .num_consumer_supplies = 0,
582 },
583 [PCF50633_REGULATOR_DOWN1] = {
584 .constraints = {
585 .name = "CORE_1V3",
586 .min_uV = 1300000,
587 .max_uV = 1600000,
588 .valid_modes_mask = REGULATOR_MODE_NORMAL,
589 .boot_on = 1,
590 .always_on = 1,
591 .apply_uV = 1,
592 },
593 .num_consumer_supplies = 0,
594 },
595 [PCF50633_REGULATOR_DOWN2] = {
596 .constraints = {
597 .name = "IO_1V8",
598 .min_uV = 1800000,
599 .max_uV = 1800000,
600 .valid_modes_mask = REGULATOR_MODE_NORMAL,
601 .apply_uV = 1,
602 .boot_on = 1,
603 .always_on = 1,
604 .state_mem = {
605 .enabled = 1,
606 },
607 },
608 .num_consumer_supplies = 0,
609 },
610 [PCF50633_REGULATOR_HCLDO] = {
611 .constraints = {
612 .name = "SD_3V3",
613 .min_uV = 2000000,
614 .max_uV = 3300000,
615 .valid_modes_mask = REGULATOR_MODE_NORMAL,
616 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
617 .boot_on = 1,
618 },
619 .num_consumer_supplies = 1,
620 .consumer_supplies = hcldo_consumers,
621 },
622 [PCF50633_REGULATOR_LDO1] = {
623 .constraints = {
624 .name = "GSENSOR_3V3",
625 .min_uV = 3300000,
626 .max_uV = 3300000,
627 .valid_modes_mask = REGULATOR_MODE_NORMAL,
628 .apply_uV = 1,
629 },
630 .num_consumer_supplies = 0,
631 },
632 [PCF50633_REGULATOR_LDO2] = {
633 .constraints = {
634 .name = "CODEC_3V3",
635 .min_uV = 3300000,
636 .max_uV = 3300000,
637 .valid_modes_mask = REGULATOR_MODE_NORMAL,
638 .apply_uV = 1,
639 },
640 .num_consumer_supplies = 0,
641 },
642 [PCF50633_REGULATOR_LDO3] = {
643 .constraints = {
644 .min_uV = 3000000,
645 .max_uV = 3000000,
646 .valid_modes_mask = REGULATOR_MODE_NORMAL,
647 .apply_uV = 1,
648 },
649 .num_consumer_supplies = 0,
650 },
651 [PCF50633_REGULATOR_LDO4] = {
652 .constraints = {
653 .name = "BT_3V2",
654 .min_uV = 3200000,
655 .max_uV = 3200000,
656 .valid_modes_mask = REGULATOR_MODE_NORMAL,
657 .apply_uV = 1,
658 },
659 .num_consumer_supplies = 1,
660 .consumer_supplies = ldo4_consumers,
661 },
662 [PCF50633_REGULATOR_LDO5] = {
663 .constraints = {
664 .name = "RF_3V",
665 .min_uV = 3000000,
666 .max_uV = 3000000,
667 .valid_modes_mask = REGULATOR_MODE_NORMAL,
668 .apply_uV = 1,
669 .state_mem = {
670 .enabled = 1,
671 },
672 },
673 .num_consumer_supplies = 1,
674 .consumer_supplies = ldo5_consumers,
675 },
676 [PCF50633_REGULATOR_LDO6] = {
677 .constraints = {
678 .name = "LCM_3V",
679 .min_uV = 3000000,
680 .max_uV = 3000000,
681 .always_on = 1,
682 .valid_modes_mask = REGULATOR_MODE_NORMAL,
683 .apply_uV = 1,
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
718 reg_init_data[PCF50633_REGULATOR_LDO1]
719 .constraints.min_uV = 1300000;
720 reg_init_data[PCF50633_REGULATOR_LDO1]
721 .constraints.max_uV = 1300000;
722
723 reg_init_data[PCF50633_REGULATOR_LDO5]
724 .constraints.min_uV = 1500000;
725 reg_init_data[PCF50633_REGULATOR_LDO5]
726 .constraints.max_uV = 1500000;
727
728 reg_init_data[PCF50633_REGULATOR_LDO6]
729 .constraints.min_uV = 0;
730 reg_init_data[PCF50633_REGULATOR_LDO6]
731 .constraints.max_uV = 3300000;
732 reg_init_data[PCF50633_REGULATOR_LDO6]
733 .constraints.apply_uV = 1;
734 break;
735 default:
736 break;
737 }
738 }
739
740 #endif
741
742 #ifdef CONFIG_HDQ_GPIO_BITBANG
743 /* BQ27000 Battery */
744
745 struct bq27000_platform_data bq27000_pdata = {
746 .name = "battery",
747 .rsense_mohms = 20,
748 .hdq_read = hdq_read,
749 .hdq_write = hdq_write,
750 .hdq_initialized = hdq_initialized,
751 .get_charger_online_status = gta02_get_charger_online_status,
752 .get_charger_active_status = gta02_get_charger_active_status
753 };
754
755 struct platform_device bq27000_battery_device = {
756 .name = "bq27000-battery",
757 .dev = {
758 .platform_data = &bq27000_pdata,
759 },
760 };
761
762 /* HDQ */
763
764 static void gta02_hdq_attach_child_devices(struct device *parent_device)
765 {
766 switch (S3C_SYSTEM_REV_ATAG) {
767 case GTA02v5_SYSTEM_REV:
768 case GTA02v6_SYSTEM_REV:
769 bq27000_battery_device.dev.parent = parent_device;
770 platform_device_register(&bq27000_battery_device);
771 break;
772 default:
773 break;
774 }
775 }
776
777 static void gta02_hdq_gpio_direction_out(void)
778 {
779 s3c2410_gpio_cfgpin(GTA02v5_GPIO_HDQ, S3C2410_GPIO_OUTPUT);
780 }
781
782 static void gta02_hdq_gpio_direction_in(void)
783 {
784 s3c2410_gpio_cfgpin(GTA02v5_GPIO_HDQ, S3C2410_GPIO_INPUT);
785 }
786
787 static void gta02_hdq_gpio_set_value(int val)
788 {
789
790 s3c2410_gpio_setpin(GTA02v5_GPIO_HDQ, val);
791 }
792
793 static int gta02_hdq_gpio_get_value(void)
794 {
795 return s3c2410_gpio_getpin(GTA02v5_GPIO_HDQ);
796 }
797
798 static struct resource gta02_hdq_resources[] = {
799 [0] = {
800 .start = GTA02v5_GPIO_HDQ,
801 .end = GTA02v5_GPIO_HDQ,
802 },
803 };
804
805 struct hdq_platform_data gta02_hdq_platform_data = {
806 .attach_child_devices = gta02_hdq_attach_child_devices,
807 .gpio_dir_out = gta02_hdq_gpio_direction_out,
808 .gpio_dir_in = gta02_hdq_gpio_direction_in,
809 .gpio_set = gta02_hdq_gpio_set_value,
810 .gpio_get = gta02_hdq_gpio_get_value,
811
812 .enable_fiq = gta02_fiq_enable,
813 .disable_fiq = gta02_fiq_disable,
814 .kick_fiq = gta02_fiq_kick,
815
816 };
817
818 struct platform_device gta02_hdq_device = {
819 .name = "hdq",
820 .num_resources = 1,
821 .resource = gta02_hdq_resources,
822 .dev = {
823 .platform_data = &gta02_hdq_platform_data,
824 },
825 };
826 #endif
827
828
829 #ifdef CONFIG_LEDS_GTA02_VIBRATOR
830 /* vibrator (child of FIQ) */
831
832 static struct resource gta02_vibrator_resources[] = {
833 [0] = {
834 .start = GTA02_GPIO_VIBRATOR_ON,
835 .end = GTA02_GPIO_VIBRATOR_ON,
836 },
837 };
838 struct gta02_vib_platform_data gta02_vib_pdata = {
839 .enable_fiq = gta02_fiq_enable,
840 .disable_fiq = gta02_fiq_disable,
841 .kick_fiq = gta02_fiq_kick,
842 };
843
844 static struct platform_device gta02_vibrator_dev = {
845 .name = "gta02-vibrator",
846 .num_resources = ARRAY_SIZE(gta02_vibrator_resources),
847 .resource = gta02_vibrator_resources,
848 .dev = {
849 .platform_data = &gta02_vib_pdata,
850 },
851 };
852 #endif
853
854 /* NOR Flash */
855
856 #define GTA02_FLASH_BASE S3C2410_CS3 /* GCS3 */
857 #define GTA02_FLASH_SIZE 0x200000 /* 2MBytes */
858
859 static struct physmap_flash_data gta02_nor_flash_data = {
860 .width = 2,
861 };
862
863 static struct resource gta02_nor_flash_resource = {
864 .start = GTA02_FLASH_BASE,
865 .end = GTA02_FLASH_BASE + GTA02_FLASH_SIZE - 1,
866 .flags = IORESOURCE_MEM,
867 };
868
869 static struct platform_device gta02_nor_flash = {
870 .name = "physmap-flash",
871 .id = 0,
872 .dev = {
873 .platform_data = &gta02_nor_flash_data,
874 },
875 .resource = &gta02_nor_flash_resource,
876 .num_resources = 1,
877 };
878
879
880 struct platform_device s3c24xx_pwm_device = {
881 .name = "s3c24xx_pwm",
882 .num_resources = 0,
883 };
884
885 static struct i2c_board_info gta02_i2c_devs[] __initdata = {
886 {
887 I2C_BOARD_INFO("pcf50633", 0x73),
888 .irq = GTA02_IRQ_PCF50633,
889 .platform_data = &gta02_pcf_pdata,
890 },
891 {
892 I2C_BOARD_INFO("wm8753", 0x1a),
893 },
894 };
895
896 static struct s3c2410_nand_set gta02_nand_sets[] = {
897 [0] = {
898 .name = "neo1973-nand",
899 .nr_chips = 1,
900 .flags = S3C2410_NAND_BBT,
901 },
902 };
903
904 /* choose a set of timings derived from S3C@2442B MCP54
905 * data sheet (K5D2G13ACM-D075 MCP Memory)
906 */
907
908 static struct s3c2410_platform_nand gta02_nand_info = {
909 .tacls = 0,
910 .twrph0 = 25,
911 .twrph1 = 15,
912 .nr_sets = ARRAY_SIZE(gta02_nand_sets),
913 .sets = gta02_nand_sets,
914 .software_ecc = 1,
915 };
916
917
918 static void gta02_s3c_mmc_set_power(unsigned char power_mode,
919 unsigned short vdd)
920 {
921 static int is_on = -1;
922 int on;
923
924 on = power_mode == MMC_POWER_ON || power_mode == MMC_POWER_UP;
925 if (is_on != on)
926 gta02_wlan_reset(!on);
927 is_on = on;
928 }
929
930
931 static struct s3c24xx_mci_pdata gta02_s3c_mmc_cfg = {
932 .set_power = gta02_s3c_mmc_set_power,
933 };
934
935 static void gta02_udc_command(enum s3c2410_udc_cmd_e cmd)
936 {
937 switch (cmd) {
938 case S3C2410_UDC_P_ENABLE:
939 printk(KERN_DEBUG "%s S3C2410_UDC_P_ENABLE\n", __func__);
940 s3c2410_gpio_setpin(GTA02_GPIO_USB_PULLUP, 1);
941 break;
942 case S3C2410_UDC_P_DISABLE:
943 printk(KERN_DEBUG "%s S3C2410_UDC_P_DISABLE\n", __func__);
944 s3c2410_gpio_setpin(GTA02_GPIO_USB_PULLUP, 0);
945 break;
946 case S3C2410_UDC_P_RESET:
947 printk(KERN_DEBUG "%s S3C2410_UDC_P_RESET\n", __func__);
948 /* FIXME! */
949 break;
950 default:
951 break;
952 }
953 }
954
955 /* get PMU to set USB current limit accordingly */
956
957 static struct s3c2410_udc_mach_info gta02_udc_cfg = {
958 .vbus_draw = gta02_udc_vbus_draw,
959 .udc_command = gta02_udc_command,
960 /* .get_vbus_status = gta02_udc_vbus_status,*/
961 };
962
963
964 /* Touchscreen configuration. */
965
966 #ifdef CONFIG_TOUCHSCREEN_FILTER
967 const static struct ts_filter_group_configuration gta02_ts_group = {
968 .length = 12,
969 .close_enough = 10,
970 .threshold = 6, /* At least half of the points in a group. */
971 .attempts = 10,
972 };
973
974 const static struct ts_filter_median_configuration gta02_ts_median = {
975 .extent = 20,
976 .decimation_below = 3,
977 .decimation_threshold = 8 * 3,
978 .decimation_above = 4,
979 };
980
981 const static struct ts_filter_mean_configuration gta02_ts_mean = {
982 .length = 4,
983 };
984
985 const static struct ts_filter_linear_configuration gta02_ts_linear = {
986 .constants = {1, 0, 0, 0, 1, 0, 1}, /* Don't modify coords. */
987 .coord0 = 0,
988 .coord1 = 1,
989 };
990 #endif
991
992 const static struct ts_filter_chain_configuration gta02_filter_configuration[] =
993 {
994 #ifdef CONFIG_TOUCHSCREEN_FILTER
995 {&ts_filter_group_api, &gta02_ts_group.config},
996 {&ts_filter_median_api, &gta02_ts_median.config},
997 {&ts_filter_mean_api, &gta02_ts_mean.config},
998 {&ts_filter_linear_api, &gta02_ts_linear.config},
999 #endif
1000 {NULL, NULL},
1001 };
1002
1003 const static struct s3c2410_ts_mach_info gta02_ts_cfg = {
1004 .delay = 10000,
1005 .presc = 0xff, /* slow as we can go */
1006 .filter_config = gta02_filter_configuration,
1007 };
1008
1009
1010
1011 static void gta02_bl_set_intensity(int intensity)
1012 {
1013 struct pcf50633 *pcf = gta02_pcf;
1014 int old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT);
1015 int ret;
1016
1017 intensity >>= 2;
1018
1019 /*
1020 * One code path that leads here is from a kernel panic. Trying to turn
1021 * the backlight on just gives us a nearly endless stream of complaints
1022 * and accomplishes nothing. We can't win. Just give up.
1023 *
1024 * In the unlikely event that there's another path leading here while
1025 * we're atomic, we print at least a warning.
1026 */
1027 if (in_atomic()) {
1028 printk(KERN_ERR
1029 "gta02_bl_set_intensity called while atomic\n");
1030 return;
1031 }
1032
1033 if (!(pcf50633_reg_read(pcf, PCF50633_REG_LEDENA) & 3))
1034 old_intensity = 0;
1035 else
1036 old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT);
1037
1038 if (intensity == old_intensity)
1039 return;
1040
1041 /* We can't do this anywhere else */
1042 pcf50633_reg_write(pcf, PCF50633_REG_LEDDIM, 5);
1043
1044 /*
1045 * The PCF50633 cannot handle LEDOUT = 0 (datasheet p60)
1046 * if seen, you have to re-enable the LED unit
1047 */
1048 if (!intensity || !old_intensity)
1049 pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0);
1050
1051 if (!intensity) /* illegal to set LEDOUT to 0 */
1052 ret = pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f,
1053 2);
1054 else
1055 ret = pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f,
1056 intensity);
1057
1058 if (intensity)
1059 pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 2);
1060
1061 }
1062
1063 static struct generic_bl_info gta02_bl_info = {
1064 .name = "gta02-bl",
1065 .max_intensity = 0xff,
1066 .default_intensity = 0xff,
1067 .set_bl_intensity = gta02_bl_set_intensity,
1068 };
1069
1070 static struct platform_device gta02_bl_dev = {
1071 .name = "generic-bl",
1072 .id = 1,
1073 .dev = {
1074 .platform_data = &gta02_bl_info,
1075 },
1076 };
1077
1078 /* SPI: LCM control interface attached to Glamo3362 */
1079
1080 static void gta02_jbt6k74_reset(int devidx, int level)
1081 {
1082 gpio_set_value(GTA02_GPIO_GLAMO(4), level);
1083 }
1084
1085 static void gta02_jbt6k74_probe_completed(struct device *dev)
1086 {
1087 struct pcf50633 *pcf = gta02_pcf;
1088
1089 /* Switch on backlight. Qi does not do it for us */
1090 pcf50633_reg_write(pcf, PCF50633_REG_LEDOUT, 0x01);
1091 pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0x00);
1092 pcf50633_reg_write(pcf, PCF50633_REG_LEDDIM, 0x01);
1093 pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0x01);
1094
1095 gta02_bl_dev.dev.parent = dev;
1096 platform_device_register(&gta02_bl_dev);
1097 }
1098
1099 const struct jbt6k74_platform_data jbt6k74_pdata = {
1100 .reset = gta02_jbt6k74_reset,
1101 .probe_completed = gta02_jbt6k74_probe_completed,
1102 };
1103
1104 /*----------- SPI: Accelerometers attached to SPI of s3c244x ----------------- */
1105
1106 void gta02_lis302dl_suspend_io(struct lis302dl_info *lis, int resume)
1107 {
1108 struct lis302dl_platform_data *pdata = lis->pdata;
1109
1110 if (!resume) {
1111 /*
1112 * we don't want to power them with a high level
1113 * because GSENSOR_3V3 is not up during suspend
1114 */
1115 s3c2410_gpio_setpin(pdata->pin_chip_select, 0);
1116 s3c2410_gpio_setpin(pdata->pin_clk, 0);
1117 s3c2410_gpio_setpin(pdata->pin_mosi, 0);
1118 /* misnomer: it is a pullDOWN in 2442 */
1119 s3c2410_gpio_pullup(pdata->pin_miso, 1);
1120 return;
1121 }
1122
1123 /* back to normal */
1124 s3c2410_gpio_setpin(pdata->pin_chip_select, 1);
1125 s3c2410_gpio_setpin(pdata->pin_clk, 1);
1126 /* misnomer: it is a pullDOWN in 2442 */
1127 s3c2410_gpio_pullup(pdata->pin_miso, 0);
1128
1129 s3c2410_gpio_cfgpin(pdata->pin_chip_select, S3C2410_GPIO_OUTPUT);
1130 s3c2410_gpio_cfgpin(pdata->pin_clk, S3C2410_GPIO_OUTPUT);
1131 s3c2410_gpio_cfgpin(pdata->pin_mosi, S3C2410_GPIO_OUTPUT);
1132 s3c2410_gpio_cfgpin(pdata->pin_miso, S3C2410_GPIO_INPUT);
1133
1134 }
1135
1136 struct lis302dl_platform_data lis302_pdata_top = {
1137 .name = "lis302-1 (top)",
1138 .pin_chip_select= S3C2410_GPD12,
1139 .pin_clk = S3C2410_GPG7,
1140 .pin_mosi = S3C2410_GPG6,
1141 .pin_miso = S3C2410_GPG5,
1142 .interrupt = GTA02_IRQ_GSENSOR_1,
1143 .open_drain = 1, /* altered at runtime by PCB rev */
1144 .lis302dl_suspend_io = gta02_lis302dl_suspend_io,
1145 };
1146
1147 struct lis302dl_platform_data lis302_pdata_bottom = {
1148 .name = "lis302-2 (bottom)",
1149 .pin_chip_select= S3C2410_GPD13,
1150 .pin_clk = S3C2410_GPG7,
1151 .pin_mosi = S3C2410_GPG6,
1152 .pin_miso = S3C2410_GPG5,
1153 .interrupt = GTA02_IRQ_GSENSOR_2,
1154 .open_drain = 1, /* altered at runtime by PCB rev */
1155 .lis302dl_suspend_io = gta02_lis302dl_suspend_io,
1156 };
1157
1158 static struct spi_board_info gta02_spi_board_info[] = {
1159 {
1160 .modalias = "jbt6k74",
1161 .platform_data = &jbt6k74_pdata,
1162 .controller_data = (void*)GTA02_GPIO_GLAMO(12),
1163 /* irq */
1164 .max_speed_hz = 100 * 1000,
1165 .bus_num = 2,
1166 .chip_select = 0
1167 },
1168 {
1169 .modalias = "lis302dl",
1170 /* platform_data */
1171 .platform_data = &lis302_pdata_top,
1172 /* controller_data */
1173 /* irq */
1174 .max_speed_hz = 100 * 1000,
1175 .bus_num = 3,
1176 .chip_select = 0,
1177 },
1178
1179 {
1180 .modalias = "lis302dl",
1181 /* platform_data */
1182 .platform_data = &lis302_pdata_bottom,
1183 /* controller_data */
1184 /* irq */
1185 .max_speed_hz = 100 * 1000,
1186 .bus_num = 3,
1187 .chip_select = 1,
1188 },
1189
1190 };
1191
1192 static void gta02_lis302_chip_select(struct s3c2410_spigpio_info *info, int csid, int cs)
1193 {
1194
1195 /*
1196 * Huh... "quirk"... CS on this device is not really "CS" like you can
1197 * expect.
1198 *
1199 * When it is 0 it selects SPI interface mode.
1200 * When it is 1 it selects I2C interface mode.
1201 *
1202 * Because we have 2 devices on one interface we have to make sure
1203 * that the "disabled" device (actually in I2C mode) don't think we're
1204 * talking to it.
1205 *
1206 * When we talk to the "enabled" device, the "disabled" device sees
1207 * the clocks as I2C clocks, creating havoc.
1208 *
1209 * I2C sees MOSI going LOW while CLK HIGH as a START action, thus we
1210 * must ensure this is never issued.
1211 */
1212
1213 int cs_gpio, other_cs_gpio;
1214
1215 cs_gpio = csid ? S3C2410_GPD13 : S3C2410_GPD12;
1216 other_cs_gpio = (1 - csid) ? S3C2410_GPD13 : S3C2410_GPD12;
1217
1218
1219 if (cs == BITBANG_CS_ACTIVE) {
1220 s3c2410_gpio_setpin(other_cs_gpio, 1);
1221 s3c2410_gpio_setpin(cs_gpio, 1);
1222 s3c2410_gpio_setpin(info->pin_clk, 1);
1223 s3c2410_gpio_setpin(cs_gpio, 0);
1224 } else {
1225 s3c2410_gpio_setpin(cs_gpio, 1);
1226 s3c2410_gpio_setpin(other_cs_gpio, 1);
1227 }
1228 }
1229
1230 static struct s3c2410_spigpio_info gta02_spigpio_cfg = {
1231 .pin_clk = S3C2410_GPG7,
1232 .pin_mosi = S3C2410_GPG6,
1233 .pin_miso = S3C2410_GPG5,
1234 .bus_num = 3,
1235 .num_chipselect = 2,
1236 .chip_select = gta02_lis302_chip_select,
1237 .non_blocking_transfer = 1,
1238 };
1239
1240 static struct platform_device gta02_spi_gpio_dev = {
1241 .name = "spi_s3c24xx_gpio",
1242 .dev = {
1243 .platform_data = &gta02_spigpio_cfg,
1244 },
1245 };
1246
1247 /*----------- / SPI: Accelerometers attached to SPI of s3c244x ----------------- */
1248
1249 static struct resource gta02_led_resources[] = {
1250 {
1251 .name = "gta02-power:orange",
1252 .start = GTA02_GPIO_PWR_LED1,
1253 .end = GTA02_GPIO_PWR_LED1,
1254 }, {
1255 .name = "gta02-power:blue",
1256 .start = GTA02_GPIO_PWR_LED2,
1257 .end = GTA02_GPIO_PWR_LED2,
1258 }, {
1259 .name = "gta02-aux:red",
1260 .start = GTA02_GPIO_AUX_LED,
1261 .end = GTA02_GPIO_AUX_LED,
1262 },
1263 };
1264
1265 struct platform_device gta02_led_dev = {
1266 .name = "gta02-led",
1267 .num_resources = ARRAY_SIZE(gta02_led_resources),
1268 .resource = gta02_led_resources,
1269 };
1270
1271 static struct resource gta02_button_resources[] = {
1272 [0] = {
1273 .start = GTA02_GPIO_AUX_KEY,
1274 .end = GTA02_GPIO_AUX_KEY,
1275 },
1276 [1] = {
1277 .start = GTA02_GPIO_HOLD_KEY,
1278 .end = GTA02_GPIO_HOLD_KEY,
1279 },
1280 [2] = {
1281 .start = GTA02_GPIO_JACK_INSERT,
1282 .end = GTA02_GPIO_JACK_INSERT,
1283 },
1284 [3] = {
1285 .start = 0,
1286 .end = 0,
1287 },
1288 [4] = {
1289 .start = 0,
1290 .end = 0,
1291 },
1292 };
1293
1294 static struct platform_device gta02_button_dev = {
1295 .name = "gta02-button",
1296 .num_resources = ARRAY_SIZE(gta02_button_resources),
1297 .resource = gta02_button_resources,
1298 };
1299
1300 static struct platform_device gta02_pm_usbhost_dev = {
1301 .name = "gta02-pm-host",
1302 };
1303
1304
1305 /* USB */
1306 static struct s3c2410_hcd_info gta02_usb_info = {
1307 .port[0] = {
1308 .flags = S3C_HCDFLG_USED,
1309 },
1310 .port[1] = {
1311 .flags = 0,
1312 },
1313 };
1314
1315 static int glamo_irq_is_wired(void)
1316 {
1317 int rc;
1318 int count = 0;
1319
1320 /*
1321 * GTA02 S-Media IRQs prior to A5 are broken due to a lack of
1322 * a pullup on the INT# line. Check for the bad behaviour.
1323 */
1324 s3c2410_gpio_setpin(S3C2410_GPG4, 0);
1325 s3c2410_gpio_cfgpin(S3C2410_GPG4, S3C2410_GPG4_OUTP);
1326 s3c2410_gpio_cfgpin(S3C2410_GPG4, S3C2410_GPG4_INP);
1327 /*
1328 * we force it low ourselves for a moment and resume being input.
1329 * If there is a pullup, it won't stay low for long. But if the
1330 * level converter is there as on < A5 revision, the weak keeper
1331 * on the input of the LC will hold the line low indefinitiely
1332 */
1333 do
1334 rc = s3c2410_gpio_getpin(S3C2410_GPG4);
1335 while ((!rc) && ((count++) < 10));
1336 if (rc) { /* it got pulled back up, it's good */
1337 printk(KERN_INFO "Detected S-Media IRQ# pullup, "
1338 "enabling interrupt\n");
1339 return 0;
1340 } else /* Gah we can't work with this level converter */
1341 printk(KERN_WARNING "** Detected bad IRQ# circuit found"
1342 " on pre-A5 GTA02: S-Media interrupt disabled **\n");
1343 return -ENODEV;
1344 }
1345
1346 /* Smedia Glamo 3362 */
1347
1348 /*
1349 * we crank down SD Card clock dynamically when GPS is powered
1350 */
1351
1352 static int gta02_glamo_mci_use_slow(void)
1353 {
1354 return gta02_pm_gps_is_on();
1355 }
1356
1357 static void gta02_glamo_external_reset(int level)
1358 {
1359 s3c2410_gpio_setpin(GTA02_GPIO_3D_RESET, level);
1360 s3c2410_gpio_cfgpin(GTA02_GPIO_3D_RESET, S3C2410_GPIO_OUTPUT);
1361 }
1362
1363 /*
1364 static struct fb_videomode gta02_glamo_modes[] = {
1365 {
1366 .name = "480x640",
1367 .xres = 480,
1368 .yres = 640,
1369 .pixclock = 40816,
1370 .left_margin = 8,
1371 .right_margin = 63,
1372 .upper_margin = 2,
1373 .lower_margin = 4,
1374 .hsync_len = 8,
1375 .vsync_len = 2,
1376 .vmode = FB_VMODE_NONINTERLACED,
1377 }, {
1378 .name = "240x320",
1379 .xres = 240,
1380 .yres = 320,
1381 .pixclock = 40816,
1382 .left_margin = 8,
1383 .right_margin = 88,
1384 .upper_margin = 2,
1385 .lower_margin = 2,
1386 .hsync_len = 8,
1387 .vsync_len = 2,
1388 .vmode = FB_VMODE_NONINTERLACED,
1389 }
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 glamo_fb_platform_data gta02_glamo_fb_pdata = {
1422 .width = 43,
1423 .height = 58,
1424
1425 .num_modes = ARRAY_SIZE(gta02_glamo_modes),
1426 .modes = gta02_glamo_modes,
1427 };
1428
1429 static struct glamo_mmc_platform_data gta02_glamo_mmc_pdata = {
1430 .glamo_mmc_use_slow = gta02_glamo_mci_use_slow,
1431 };
1432
1433 static struct glamo_platform_data gta02_glamo_pdata = {
1434 .fb_data = &gta02_glamo_fb_pdata,
1435 .mmc_data = &gta02_glamo_mmc_pdata,
1436 .gpio_base = GTA02_GPIO_GLAMO_BASE,
1437
1438 .osci_clock_rate = 32768,
1439
1440 .glamo_irq_is_wired = glamo_irq_is_wired,
1441 .glamo_external_reset = gta02_glamo_external_reset,
1442 };
1443
1444 static struct resource gta02_glamo_resources[] = {
1445 [0] = {
1446 .start = S3C2410_CS1,
1447 .end = S3C2410_CS1 + 0x1000000 - 1,
1448 .flags = IORESOURCE_MEM,
1449 },
1450 [1] = {
1451 .start = GTA02_IRQ_3D,
1452 .end = GTA02_IRQ_3D,
1453 .flags = IORESOURCE_IRQ,
1454 },
1455 [2] = {
1456 .start = GTA02_GPIO_3D_RESET,
1457 .end = GTA02_GPIO_3D_RESET,
1458 },
1459 };
1460
1461 static struct platform_device gta02_glamo_dev = {
1462 .name = "glamo3362",
1463 .num_resources = ARRAY_SIZE(gta02_glamo_resources),
1464 .resource = gta02_glamo_resources,
1465 .dev = {
1466 .platform_data = &gta02_glamo_pdata,
1467 },
1468 };
1469
1470 static void mangle_glamo_res_by_system_rev(void)
1471 {
1472 switch (S3C_SYSTEM_REV_ATAG) {
1473 case GTA02v1_SYSTEM_REV:
1474 break;
1475 default:
1476 gta02_glamo_resources[2].start = GTA02_GPIO_3D_RESET;
1477 gta02_glamo_resources[2].end = GTA02_GPIO_3D_RESET;
1478 break;
1479 }
1480
1481 switch (S3C_SYSTEM_REV_ATAG) {
1482 case GTA02v1_SYSTEM_REV:
1483 case GTA02v2_SYSTEM_REV:
1484 case GTA02v3_SYSTEM_REV:
1485 /* case GTA02v4_SYSTEM_REV: - FIXME: handle this later */
1486 /* The hardware is missing a pull-up resistor and thus can't
1487 * support the Smedia Glamo IRQ */
1488 gta02_glamo_resources[1].start = 0;
1489 gta02_glamo_resources[1].end = 0;
1490 break;
1491 }
1492 }
1493
1494 struct spi_gpio_platform_data spigpio_platform_data = {
1495 .sck = GTA02_GPIO_GLAMO(10),
1496 .mosi = GTA02_GPIO_GLAMO(11),
1497 .miso = GTA02_GPIO_GLAMO(5),
1498 .num_chipselect = 1,
1499 };
1500
1501 static struct platform_device spigpio_device = {
1502 .name = "spi_gpio",
1503 .id = 2,
1504 .dev = {
1505 .platform_data = &spigpio_platform_data,
1506 .parent = &gta02_glamo_dev.dev,
1507 },
1508 };
1509
1510 static void __init gta02_map_io(void)
1511 {
1512 s3c24xx_init_io(gta02_iodesc, ARRAY_SIZE(gta02_iodesc));
1513 s3c24xx_init_clocks(12000000);
1514 s3c24xx_init_uarts(gta02_uartcfgs, ARRAY_SIZE(gta02_uartcfgs));
1515 }
1516
1517 static irqreturn_t gta02_modem_irq(int irq, void *param)
1518 {
1519 /* printk(KERN_DEBUG "modem wakeup interrupt\n");*/
1520 gta_gsm_interrupts++;
1521 return IRQ_HANDLED;
1522 }
1523
1524 static irqreturn_t ar6000_wow_irq(int irq, void *param)
1525 {
1526 /* printk(KERN_DEBUG "ar6000_wow interrupt\n");*/
1527 return IRQ_HANDLED;
1528 }
1529
1530 /*
1531 * hardware_ecc=1|0
1532 */
1533 static char hardware_ecc_str[4] __initdata = "";
1534
1535 static int __init hardware_ecc_setup(char *str)
1536 {
1537 if (str)
1538 strlcpy(hardware_ecc_str, str, sizeof(hardware_ecc_str));
1539 return 1;
1540 }
1541
1542 __setup("hardware_ecc=", hardware_ecc_setup);
1543
1544 /* these are the guys that don't need to be children of PMU */
1545
1546 static struct platform_device *gta02_devices[] __initdata = {
1547 &s3c_device_usb,
1548 &s3c_device_wdt,
1549 &s3c_device_sdi,
1550 &s3c_device_usbgadget,
1551 &s3c_device_nand,
1552 &gta02_nor_flash,
1553
1554 &s3c24xx_pwm_device,
1555 &gta02_led_dev,
1556 &gta02_pm_wlan_dev, /* not dependent on PMU */
1557 &s3c_device_iis,
1558 &s3c_device_i2c0,
1559 };
1560
1561 /* these guys DO need to be children of PMU */
1562
1563 static struct platform_device *gta02_devices_pmu_children[] = {
1564 &s3c_device_ts, /* input 1 */
1565 &gta02_pm_gsm_dev,
1566 &gta02_pm_usbhost_dev,
1567 &gta02_spi_gpio_dev, /* input 2 and 3 */
1568 &gta02_button_dev, /* input 4 */
1569 &gta02_resume_reason_device,
1570 };
1571
1572 static void gta02_register_glamo(void)
1573 {
1574 platform_device_register(&gta02_glamo_dev);
1575 if (gpio_request(GTA02_GPIO_GLAMO(4), "jbt6k74 reset"))
1576 printk("gta02: Failed to request jbt6k74 reset pin\n");
1577 if (gpio_direction_output(GTA02_GPIO_GLAMO(4), 1))
1578 printk("gta02: Failed to configure jbt6k74 reset pin\n");
1579 platform_device_register(&spigpio_device);
1580 }
1581
1582 static void gta02_pmu_regulator_registered(struct pcf50633 *pcf, int id)
1583 {
1584 struct platform_device *regulator, *pdev;
1585
1586 gta02_pcf = pcf;
1587
1588 regulator = pcf->regulator_pdev[id];
1589
1590 switch(id) {
1591 case PCF50633_REGULATOR_LDO4:
1592 pdev = &gta02_pm_bt_dev;
1593 break;
1594 case PCF50633_REGULATOR_LDO5:
1595 pdev = &gta02_pm_gps_dev;
1596 break;
1597 case PCF50633_REGULATOR_HCLDO:
1598 gta02_register_glamo();
1599 return;
1600 default:
1601 return;
1602 }
1603
1604 pdev->dev.parent = &regulator->dev;
1605 platform_device_register(pdev);
1606 }
1607
1608 /* this is called when pc50633 is probed, unfortunately quite late in the
1609 * day since it is an I2C bus device. Here we can belatedly define some
1610 * platform devices with the advantage that we can mark the pcf50633 as the
1611 * parent. This makes them get suspended and resumed with their parent
1612 * the pcf50633 still around.
1613 */
1614
1615 static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf)
1616 {
1617 int n;
1618
1619 for (n = 0; n < ARRAY_SIZE(gta02_devices_pmu_children); n++)
1620 gta02_devices_pmu_children[n]->dev.parent = pcf->dev;
1621
1622 mangle_glamo_res_by_system_rev();
1623 platform_add_devices(gta02_devices_pmu_children,
1624 ARRAY_SIZE(gta02_devices_pmu_children));
1625
1626 regulator_has_full_constraints();
1627 }
1628
1629 static void gta02_poweroff(void)
1630 {
1631 pcf50633_reg_set_bit_mask(gta02_pcf, PCF50633_REG_OOCSHDWN,
1632 PCF50633_OOCSHDWN_GOSTDBY, PCF50633_OOCSHDWN_GOSTDBY);
1633 }
1634
1635 static void __init gta02_machine_init(void)
1636 {
1637 int rc;
1638
1639 /* set the panic callback to make AUX blink fast */
1640 panic_blink = gta02_panic_blink;
1641
1642 switch (S3C_SYSTEM_REV_ATAG) {
1643 case GTA02v6_SYSTEM_REV:
1644 /* we need push-pull interrupt from motion sensors */
1645 lis302_pdata_top.open_drain = 0;
1646 lis302_pdata_bottom.open_drain = 0;
1647 break;
1648 default:
1649 break;
1650 }
1651
1652 spin_lock_init(&motion_irq_lock);
1653
1654 #ifdef CONFIG_CHARGER_PCF50633
1655 INIT_DELAYED_WORK(&gta02_charger_work, gta02_charger_worker);
1656 #endif
1657
1658 /* Glamo chip select optimization */
1659 /* *((u32 *)(S3C2410_MEMREG(((1 + 1) << 2)))) = 0x1280; */
1660
1661 /* do not force soft ecc if we are asked to use hardware_ecc */
1662 if (hardware_ecc_str[0] == '1')
1663 gta02_nand_info.software_ecc = 0;
1664
1665 s3c_device_usb.dev.platform_data = &gta02_usb_info;
1666 s3c_device_nand.dev.platform_data = &gta02_nand_info;
1667 s3c_device_sdi.dev.platform_data = &gta02_s3c_mmc_cfg;
1668
1669 /* acc sensor chip selects */
1670 s3c2410_gpio_setpin(S3C2410_GPD12, 1);
1671 s3c2410_gpio_cfgpin(S3C2410_GPD12, S3C2410_GPIO_OUTPUT);
1672 s3c2410_gpio_setpin(S3C2410_GPD13, 1);
1673 s3c2410_gpio_cfgpin(S3C2410_GPD13, S3C2410_GPIO_OUTPUT);
1674
1675
1676 s3c24xx_udc_set_platdata(&gta02_udc_cfg);
1677 s3c_i2c0_set_platdata(NULL);
1678 set_s3c2410ts_info(&gta02_ts_cfg);
1679
1680 mangle_glamo_res_by_system_rev();
1681
1682 i2c_register_board_info(0, gta02_i2c_devs, ARRAY_SIZE(gta02_i2c_devs));
1683 spi_register_board_info(gta02_spi_board_info,
1684 ARRAY_SIZE(gta02_spi_board_info));
1685
1686 #ifdef CONFIG_CHARGER_PCF50633
1687 mangle_pmu_pdata_by_system_rev();
1688 #endif
1689
1690 platform_add_devices(gta02_devices, ARRAY_SIZE(gta02_devices));
1691
1692 s3c_pm_init();
1693
1694 /* Make sure the modem can wake us up */
1695 set_irq_type(GTA02_IRQ_MODEM, IRQ_TYPE_EDGE_RISING);
1696 rc = request_irq(GTA02_IRQ_MODEM, gta02_modem_irq, IRQF_DISABLED,
1697 "modem", NULL);
1698 if (rc < 0)
1699 printk(KERN_ERR "GTA02: can't request GSM modem wakeup IRQ\n");
1700 enable_irq_wake(GTA02_IRQ_MODEM);
1701
1702 /* Make sure the wifi module can wake us up*/
1703 set_irq_type(GTA02_IRQ_WLAN_GPIO1, IRQ_TYPE_EDGE_RISING);
1704 rc = request_irq(GTA02_IRQ_WLAN_GPIO1, ar6000_wow_irq, IRQF_DISABLED,
1705 "ar6000", NULL);
1706
1707 if (rc < 0)
1708 printk(KERN_ERR "GTA02: can't request ar6k wakeup IRQ\n");
1709 enable_irq_wake(GTA02_IRQ_WLAN_GPIO1);
1710
1711 pm_power_off = gta02_poweroff;
1712
1713 /* Register the HDQ and vibrator as children of pwm device */
1714 #ifdef CONFIG_HDQ_GPIO_BITBANG
1715 gta02_hdq_device.dev.parent = &s3c24xx_pwm_device.dev;
1716 platform_device_register(&gta02_hdq_device);
1717 #endif
1718 #ifdef CONFIG_LEDS_GTA02_VIBRATOR
1719 gta02_vibrator_dev.dev.parent = &s3c24xx_pwm_device.dev;
1720 platform_device_register(&gta02_vibrator_dev);
1721 #endif
1722 }
1723
1724 void DEBUG_LED(int n)
1725 {
1726 switch (n) {
1727 case 0:
1728 s3c2410_gpio_setpin(GTA02_GPIO_PWR_LED1, 1);
1729 break;
1730 case 1:
1731 s3c2410_gpio_setpin(GTA02_GPIO_PWR_LED2, 1);
1732 break;
1733 default:
1734 s3c2410_gpio_setpin(GTA02_GPIO_AUX_LED, 1);
1735 break;
1736 }
1737 }
1738 EXPORT_SYMBOL_GPL(DEBUG_LED);
1739
1740 MACHINE_START(NEO1973_GTA02, "GTA02")
1741 .phys_io = S3C2410_PA_UART,
1742 .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
1743 .boot_params = S3C2410_SDRAM_PA + 0x100,
1744 .map_io = gta02_map_io,
1745 .init_irq = s3c24xx_init_irq,
1746 .init_machine = gta02_machine_init,
1747 .timer = &s3c24xx_timer,
1748 MACHINE_END
lynxis staging tree for omap