summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-pxa/spitz.c
blob: 1b39cec03ccea7a1e48d4b09a9d04acecda24217 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
/*
 * Support for Sharp SL-Cxx00 Series of PDAs
 * Models: SL-C3000 (Spitz), SL-C1000 (Akita) and SL-C3100 (Borzoi)
 *
 * Copyright (c) 2005 Richard Purdie
 *
 * Based on Sharp's 2.4 kernel patches/lubbock.c
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 */

#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/gpio_keys.h>
#include <linux/gpio.h>
#include <linux/leds.h>
#include <linux/i2c.h>
#include <linux/i2c/pxa-i2c.h>
#include <linux/i2c/pca953x.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
#include <linux/spi/corgi_lcd.h>
#include <linux/spi/pxa2xx_spi.h>
#include <linux/mtd/sharpsl.h>
#include <linux/mtd/physmap.h>
#include <linux/input/matrix_keypad.h>
#include <linux/regulator/machine.h>
#include <linux/io.h>
#include <linux/module.h>

#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/sharpsl_param.h>
#include <asm/hardware/scoop.h>

#include <mach/pxa27x.h>
#include <mach/pxa27x-udc.h>
#include <mach/reset.h>
#include <mach/irda.h>
#include <mach/mmc.h>
#include <mach/ohci.h>
#include <mach/pxafb.h>
#include <mach/spitz.h>
#include <mach/sharpsl_pm.h>
#include <mach/smemc.h>

#include "generic.h"
#include "devices.h"

/******************************************************************************
 * Pin configuration
 ******************************************************************************/
static unsigned long spitz_pin_config[] __initdata = {
	/* Chip Selects */
	GPIO78_nCS_2,	/* SCOOP #2 */
	GPIO79_nCS_3,	/* NAND */
	GPIO80_nCS_4,	/* SCOOP #1 */

	/* LCD - 16bpp Active TFT */
	GPIOxx_LCD_TFT_16BPP,

	/* PC Card */
	GPIO48_nPOE,
	GPIO49_nPWE,
	GPIO50_nPIOR,
	GPIO51_nPIOW,
	GPIO85_nPCE_1,
	GPIO54_nPCE_2,
	GPIO55_nPREG,
	GPIO56_nPWAIT,
	GPIO57_nIOIS16,
	GPIO104_PSKTSEL,

	/* I2S */
	GPIO28_I2S_BITCLK_OUT,
	GPIO29_I2S_SDATA_IN,
	GPIO30_I2S_SDATA_OUT,
	GPIO31_I2S_SYNC,

	/* MMC */
	GPIO32_MMC_CLK,
	GPIO112_MMC_CMD,
	GPIO92_MMC_DAT_0,
	GPIO109_MMC_DAT_1,
	GPIO110_MMC_DAT_2,
	GPIO111_MMC_DAT_3,

	/* GPIOs */
	GPIO9_GPIO,	/* SPITZ_GPIO_nSD_DETECT */
	GPIO16_GPIO,	/* SPITZ_GPIO_SYNC */
	GPIO81_GPIO,	/* SPITZ_GPIO_nSD_WP */
	GPIO41_GPIO,	/* SPITZ_GPIO_USB_CONNECT */
	GPIO37_GPIO,	/* SPITZ_GPIO_USB_HOST */
	GPIO35_GPIO,	/* SPITZ_GPIO_USB_DEVICE */
	GPIO22_GPIO,	/* SPITZ_GPIO_HSYNC */
	GPIO94_GPIO,	/* SPITZ_GPIO_CF_CD */
	GPIO105_GPIO,	/* SPITZ_GPIO_CF_IRQ */
	GPIO106_GPIO,	/* SPITZ_GPIO_CF2_IRQ */

	/* GPIO matrix keypad */
	GPIO88_GPIO,	/* column 0 */
	GPIO23_GPIO,	/* column 1 */
	GPIO24_GPIO,	/* column 2 */
	GPIO25_GPIO,	/* column 3 */
	GPIO26_GPIO,	/* column 4 */
	GPIO27_GPIO,	/* column 5 */
	GPIO52_GPIO,	/* column 6 */
	GPIO103_GPIO,	/* column 7 */
	GPIO107_GPIO,	/* column 8 */
	GPIO108_GPIO,	/* column 9 */
	GPIO114_GPIO,	/* column 10 */
	GPIO12_GPIO,	/* row 0 */
	GPIO17_GPIO,	/* row 1 */
	GPIO91_GPIO,	/* row 2 */
	GPIO34_GPIO,	/* row 3 */
	GPIO36_GPIO,	/* row 4 */
	GPIO38_GPIO,	/* row 5 */
	GPIO39_GPIO,	/* row 6 */

	/* I2C */
	GPIO117_I2C_SCL,
	GPIO118_I2C_SDA,

	GPIO0_GPIO | WAKEUP_ON_EDGE_RISE,	/* SPITZ_GPIO_KEY_INT */
	GPIO1_GPIO | WAKEUP_ON_EDGE_FALL,	/* SPITZ_GPIO_RESET */
};


/******************************************************************************
 * Scoop GPIO expander
 ******************************************************************************/
#if defined(CONFIG_SHARP_SCOOP) || defined(CONFIG_SHARP_SCOOP_MODULE)
/* SCOOP Device #1 */
static struct resource spitz_scoop_1_resources[] = {
	[0] = {
		.start		= 0x10800000,
		.end		= 0x10800fff,
		.flags		= IORESOURCE_MEM,
	},
};

static struct scoop_config spitz_scoop_1_setup = {
	.io_dir		= SPITZ_SCP_IO_DIR,
	.io_out		= SPITZ_SCP_IO_OUT,
	.suspend_clr	= SPITZ_SCP_SUS_CLR,
	.suspend_set	= SPITZ_SCP_SUS_SET,
	.gpio_base	= SPITZ_SCP_GPIO_BASE,
};

struct platform_device spitz_scoop_1_device = {
	.name		= "sharp-scoop",
	.id		= 0,
	.dev		= {
		.platform_data	= &spitz_scoop_1_setup,
	},
	.num_resources	= ARRAY_SIZE(spitz_scoop_1_resources),
	.resource	= spitz_scoop_1_resources,
};

/* SCOOP Device #2 */
static struct resource spitz_scoop_2_resources[] = {
	[0] = {
		.start		= 0x08800040,
		.end		= 0x08800fff,
		.flags		= IORESOURCE_MEM,
	},
};

static struct scoop_config spitz_scoop_2_setup = {
	.io_dir		= SPITZ_SCP2_IO_DIR,
	.io_out		= SPITZ_SCP2_IO_OUT,
	.suspend_clr	= SPITZ_SCP2_SUS_CLR,
	.suspend_set	= SPITZ_SCP2_SUS_SET,
	.gpio_base	= SPITZ_SCP2_GPIO_BASE,
};

struct platform_device spitz_scoop_2_device = {
	.name		= "sharp-scoop",
	.id		= 1,
	.dev		= {
		.platform_data	= &spitz_scoop_2_setup,
	},
	.num_resources	= ARRAY_SIZE(spitz_scoop_2_resources),
	.resource	= spitz_scoop_2_resources,
};

static void __init spitz_scoop_init(void)
{
	platform_device_register(&spitz_scoop_1_device);

	/* Akita doesn't have the second SCOOP chip */
	if (!machine_is_akita())
		platform_device_register(&spitz_scoop_2_device);
}

/* Power control is shared with between one of the CF slots and SD */
static void spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr)
{
	unsigned short cpr;
	unsigned long flags;

	if (new_cpr & 0x7) {
		gpio_set_value(SPITZ_GPIO_CF_POWER, 1);
		mdelay(5);
	}

	local_irq_save(flags);

	cpr = read_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR);

	if (enable & new_cpr)
		cpr |= new_cpr;
	else
		cpr &= ~enable;

	write_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR, cpr);

	local_irq_restore(flags);

	if (!(cpr & 0x7)) {
		mdelay(1);
		gpio_set_value(SPITZ_GPIO_CF_POWER, 0);
	}
}

#else
static inline void spitz_scoop_init(void) {}
static inline void spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr) {}
#endif

/******************************************************************************
 * PCMCIA
 ******************************************************************************/
#if defined(CONFIG_PCMCIA_PXA2XX) || defined(CONFIG_PCMCIA_PXA2XX_MODULE)
static void spitz_pcmcia_pwr(struct device *scoop, uint16_t cpr, int nr)
{
	/* Only need to override behaviour for slot 0 */
	if (nr == 0)
		spitz_card_pwr_ctrl(
			cpr & (SCOOP_CPR_CF_3V | SCOOP_CPR_CF_XV), cpr);
	else
		write_scoop_reg(scoop, SCOOP_CPR, cpr);
}

static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
	{
		.dev		= &spitz_scoop_1_device.dev,
		.irq		= SPITZ_IRQ_GPIO_CF_IRQ,
		.cd_irq		= SPITZ_IRQ_GPIO_CF_CD,
		.cd_irq_str	= "PCMCIA0 CD",
	}, {
		.dev		= &spitz_scoop_2_device.dev,
		.irq		= SPITZ_IRQ_GPIO_CF2_IRQ,
		.cd_irq		= -1,
	},
};

static struct scoop_pcmcia_config spitz_pcmcia_config = {
	.devs		= &spitz_pcmcia_scoop[0],
	.num_devs	= 2,
	.power_ctrl	= spitz_pcmcia_pwr,
};

static void __init spitz_pcmcia_init(void)
{
	/* Akita has only one PCMCIA slot used */
	if (machine_is_akita())
		spitz_pcmcia_config.num_devs = 1;

	platform_scoop_config = &spitz_pcmcia_config;
}
#else
static inline void spitz_pcmcia_init(void) {}
#endif

/******************************************************************************
 * GPIO keyboard
 ******************************************************************************/
#if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE)

#define SPITZ_KEY_CALENDAR	KEY_F1
#define SPITZ_KEY_ADDRESS	KEY_F2
#define SPITZ_KEY_FN		KEY_F3
#define SPITZ_KEY_CANCEL	KEY_F4
#define SPITZ_KEY_EXOK		KEY_F5
#define SPITZ_KEY_EXCANCEL	KEY_F6
#define SPITZ_KEY_EXJOGDOWN	KEY_F7
#define SPITZ_KEY_EXJOGUP	KEY_F8
#define SPITZ_KEY_JAP1		KEY_LEFTALT
#define SPITZ_KEY_JAP2		KEY_RIGHTCTRL
#define SPITZ_KEY_SYNC		KEY_F9
#define SPITZ_KEY_MAIL		KEY_F10
#define SPITZ_KEY_OK		KEY_F11
#define SPITZ_KEY_MENU		KEY_F12

static const uint32_t spitz_keymap[] = {
	KEY(0, 0, KEY_LEFTCTRL),
	KEY(0, 1, KEY_1),
	KEY(0, 2, KEY_3),
	KEY(0, 3, KEY_5),
	KEY(0, 4, KEY_6),
	KEY(0, 5, KEY_7),
	KEY(0, 6, KEY_9),
	KEY(0, 7, KEY_0),
	KEY(0, 8, KEY_BACKSPACE),
	KEY(0, 9, SPITZ_KEY_EXOK),	/* EXOK */
	KEY(0, 10, SPITZ_KEY_EXCANCEL),	/* EXCANCEL */
	KEY(1, 1, KEY_2),
	KEY(1, 2, KEY_4),
	KEY(1, 3, KEY_R),
	KEY(1, 4, KEY_Y),
	KEY(1, 5, KEY_8),
	KEY(1, 6, KEY_I),
	KEY(1, 7, KEY_O),
	KEY(1, 8, KEY_P),
	KEY(1, 9, SPITZ_KEY_EXJOGDOWN),	/* EXJOGDOWN */
	KEY(1, 10, SPITZ_KEY_EXJOGUP),	/* EXJOGUP */
	KEY(2, 0, KEY_TAB),
	KEY(2, 1, KEY_Q),
	KEY(2, 2, KEY_E),
	KEY(2, 3, KEY_T),
	KEY(2, 4, KEY_G),
	KEY(2, 5, KEY_U),
	KEY(2, 6, KEY_J),
	KEY(2, 7, KEY_K),
	KEY(3, 0, SPITZ_KEY_ADDRESS),	/* ADDRESS */
	KEY(3, 1, KEY_W),
	KEY(3, 2, KEY_S),
	KEY(3, 3, KEY_F),
	KEY(3, 4, KEY_V),
	KEY(3, 5, KEY_H),
	KEY(3, 6, KEY_M),
	KEY(3, 7, KEY_L),
	KEY(3, 9, KEY_RIGHTSHIFT),
	KEY(4, 0, SPITZ_KEY_CALENDAR),	/* CALENDAR */
	KEY(4, 1, KEY_A),
	KEY(4, 2, KEY_D),
	KEY(4, 3, KEY_C),
	KEY(4, 4, KEY_B),
	KEY(4, 5, KEY_N),
	KEY(4, 6, KEY_DOT),
	KEY(4, 8, KEY_ENTER),
	KEY(4, 9, KEY_LEFTSHIFT),
	KEY(5, 0, SPITZ_KEY_MAIL),	/* MAIL */
	KEY(5, 1, KEY_Z),
	KEY(5, 2, KEY_X),
	KEY(5, 3, KEY_MINUS),
	KEY(5, 4, KEY_SPACE),
	KEY(5, 5, KEY_COMMA),
	KEY(5, 7, KEY_UP),
	KEY(5, 10, SPITZ_KEY_FN),	/* FN */
	KEY(6, 0, KEY_SYSRQ),
	KEY(6, 1, SPITZ_KEY_JAP1),	/* JAP1 */
	KEY(6, 2, SPITZ_KEY_JAP2),	/* JAP2 */
	KEY(6, 3, SPITZ_KEY_CANCEL),	/* CANCEL */
	KEY(6, 4, SPITZ_KEY_OK),	/* OK */
	KEY(6, 5, SPITZ_KEY_MENU),	/* MENU */
	KEY(6, 6, KEY_LEFT),
	KEY(6, 7, KEY_DOWN),
	KEY(6, 8, KEY_RIGHT),
};

static const struct matrix_keymap_data spitz_keymap_data = {
	.keymap		= spitz_keymap,
	.keymap_size	= ARRAY_SIZE(spitz_keymap),
};

static const uint32_t spitz_row_gpios[] =
		{ 12, 17, 91, 34, 36, 38, 39 };
static const uint32_t spitz_col_gpios[] =
		{ 88, 23, 24, 25, 26, 27, 52, 103, 107, 108, 114 };

static struct matrix_keypad_platform_data spitz_mkp_pdata = {
	.keymap_data		= &spitz_keymap_data,
	.row_gpios		= spitz_row_gpios,
	.col_gpios		= spitz_col_gpios,
	.num_row_gpios		= ARRAY_SIZE(spitz_row_gpios),
	.num_col_gpios		= ARRAY_SIZE(spitz_col_gpios),
	.col_scan_delay_us	= 10,
	.debounce_ms		= 10,
	.wakeup			= 1,
};

static struct platform_device spitz_mkp_device = {
	.name		= "matrix-keypad",
	.id		= -1,
	.dev		= {
		.platform_data	= &spitz_mkp_pdata,
	},
};

static void __init spitz_mkp_init(void)
{
	platform_device_register(&spitz_mkp_device);
}
#else
static inline void spitz_mkp_init(void) {}
#endif

/******************************************************************************
 * GPIO keys
 ******************************************************************************/
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
static struct gpio_keys_button spitz_gpio_keys[] = {
	{
		.type	= EV_PWR,
		.code	= KEY_SUSPEND,
		.gpio	= SPITZ_GPIO_ON_KEY,
		.desc	= "On Off",
		.wakeup	= 1,
	},
	/* Two buttons detecting the lid state */
	{
		.type	= EV_SW,
		.code	= 0,
		.gpio	= SPITZ_GPIO_SWA,
		.desc	= "Display Down",
	},
	{
		.type	= EV_SW,
		.code	= 1,
		.gpio	= SPITZ_GPIO_SWB,
		.desc	= "Lid Closed",
	},
};

static struct gpio_keys_platform_data spitz_gpio_keys_platform_data = {
	.buttons	= spitz_gpio_keys,
	.nbuttons	= ARRAY_SIZE(spitz_gpio_keys),
};

static struct platform_device spitz_gpio_keys_device = {
	.name	= "gpio-keys",
	.id	= -1,
	.dev	= {
		.platform_data	= &spitz_gpio_keys_platform_data,
	},
};

static void __init spitz_keys_init(void)
{
	platform_device_register(&spitz_gpio_keys_device);
}
#else
static inline void spitz_keys_init(void) {}
#endif

/******************************************************************************
 * LEDs
 ******************************************************************************/
#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
static struct gpio_led spitz_gpio_leds[] = {
	{
		.name			= "spitz:amber:charge",
		.default_trigger	= "sharpsl-charge",
		.gpio			= SPITZ_GPIO_LED_ORANGE,
	},
	{
		.name			= "spitz:green:hddactivity",
		.default_trigger	= "ide-disk",
		.gpio			= SPITZ_GPIO_LED_GREEN,
	},
};

static struct gpio_led_platform_data spitz_gpio_leds_info = {
	.leds		= spitz_gpio_leds,
	.num_leds	= ARRAY_SIZE(spitz_gpio_leds),
};

static struct platform_device spitz_led_device = {
	.name		= "leds-gpio",
	.id		= -1,
	.dev		= {
		.platform_data	= &spitz_gpio_leds_info,
	},
};

static void __init spitz_leds_init(void)
{
	platform_device_register(&spitz_led_device);
}
#else
static inline void spitz_leds_init(void) {}
#endif

/******************************************************************************
 * SSP Devices
 ******************************************************************************/
#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
static void spitz_ads7846_wait_for_hsync(void)
{
	while (gpio_get_value(SPITZ_GPIO_HSYNC))
		cpu_relax();

	while (!gpio_get_value(SPITZ_GPIO_HSYNC))
		cpu_relax();
}

static struct ads7846_platform_data spitz_ads7846_info = {
	.model			= 7846,
	.vref_delay_usecs	= 100,
	.x_plate_ohms		= 419,
	.y_plate_ohms		= 486,
	.pressure_max		= 1024,
	.gpio_pendown		= SPITZ_GPIO_TP_INT,
	.wait_for_sync		= spitz_ads7846_wait_for_hsync,
};

static struct pxa2xx_spi_chip spitz_ads7846_chip = {
	.gpio_cs		= SPITZ_GPIO_ADS7846_CS,
};

static void spitz_bl_kick_battery(void)
{
	void (*kick_batt)(void);

	kick_batt = symbol_get(sharpsl_battery_kick);
	if (kick_batt) {
		kick_batt();
		symbol_put(sharpsl_battery_kick);
	}
}

static struct corgi_lcd_platform_data spitz_lcdcon_info = {
	.init_mode		= CORGI_LCD_MODE_VGA,
	.max_intensity		= 0x2f,
	.default_intensity	= 0x1f,
	.limit_mask		= 0x0b,
	.gpio_backlight_cont	= SPITZ_GPIO_BACKLIGHT_CONT,
	.gpio_backlight_on	= SPITZ_GPIO_BACKLIGHT_ON,
	.kick_battery		= spitz_bl_kick_battery,
};

static struct pxa2xx_spi_chip spitz_lcdcon_chip = {
	.gpio_cs	= SPITZ_GPIO_LCDCON_CS,
};

static struct pxa2xx_spi_chip spitz_max1111_chip = {
	.gpio_cs	= SPITZ_GPIO_MAX1111_CS,
};

static struct spi_board_info spitz_spi_devices[] = {
	{
		.modalias		= "ads7846",
		.max_speed_hz		= 1200000,
		.bus_num		= 2,
		.chip_select		= 0,
		.platform_data		= &spitz_ads7846_info,
		.controller_data	= &spitz_ads7846_chip,
		.irq			= PXA_GPIO_TO_IRQ(SPITZ_GPIO_TP_INT),
	}, {
		.modalias		= "corgi-lcd",
		.max_speed_hz		= 50000,
		.bus_num		= 2,
		.chip_select		= 1,
		.platform_data		= &spitz_lcdcon_info,
		.controller_data	= &spitz_lcdcon_chip,
	}, {
		.modalias		= "max1111",
		.max_speed_hz		= 450000,
		.bus_num		= 2,
		.chip_select		= 2,
		.controller_data	= &spitz_max1111_chip,
	},
};

static struct pxa2xx_spi_master spitz_spi_info = {
	.num_chipselect	= 3,
};

static void __init spitz_spi_init(void)
{
	struct corgi_lcd_platform_data *lcd_data = &spitz_lcdcon_info;

	if (machine_is_akita()) {
		lcd_data->gpio_backlight_cont = AKITA_GPIO_BACKLIGHT_CONT;
		lcd_data->gpio_backlight_on = AKITA_GPIO_BACKLIGHT_ON;
	}

	pxa2xx_set_spi_info(2, &spitz_spi_info);
	spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices));
}
#else
static inline void spitz_spi_init(void) {}
#endif

/******************************************************************************
 * SD/MMC card controller
 ******************************************************************************/
#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
/*
 * NOTE: The card detect interrupt isn't debounced so we delay it by 250ms to
 * give the card a chance to fully insert/eject.
 */
static void spitz_mci_setpower(struct device *dev, unsigned int vdd)
{
	struct pxamci_platform_data* p_d = dev->platform_data;

	if ((1 << vdd) & p_d->ocr_mask)
		spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, SCOOP_CPR_SD_3V);
	else
		spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, 0x0);
}

static struct pxamci_platform_data spitz_mci_platform_data = {
	.detect_delay_ms	= 250,
	.ocr_mask		= MMC_VDD_32_33|MMC_VDD_33_34,
	.setpower		= spitz_mci_setpower,
	.gpio_card_detect	= SPITZ_GPIO_nSD_DETECT,
	.gpio_card_ro		= SPITZ_GPIO_nSD_WP,
	.gpio_power		= -1,
};

static void __init spitz_mmc_init(void)
{
	pxa_set_mci_info(&spitz_mci_platform_data);
}
#else
static inline void spitz_mmc_init(void) {}
#endif

/******************************************************************************
 * USB Host
 ******************************************************************************/
#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
static int spitz_ohci_init(struct device *dev)
{
	int err;

	err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST");
	if (err)
		return err;

	/* Only Port 2 is connected, setup USB Port 2 Output Control Register */
	UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;

	return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1);
}

static void spitz_ohci_exit(struct device *dev)
{
	gpio_free(SPITZ_GPIO_USB_HOST);
}

static struct pxaohci_platform_data spitz_ohci_platform_data = {
	.port_mode	= PMM_NPS_MODE,
	.init		= spitz_ohci_init,
	.exit		= spitz_ohci_exit,
	.flags		= ENABLE_PORT_ALL | NO_OC_PROTECTION,
	.power_budget	= 150,
};

static void __init spitz_uhc_init(void)
{
	pxa_set_ohci_info(&spitz_ohci_platform_data);
}
#else
static inline void spitz_uhc_init(void) {}
#endif

/******************************************************************************
 * IrDA
 ******************************************************************************/
#if defined(CONFIG_PXA_FICP) || defined(CONFIG_PXA_FICP_MODULE)
static struct pxaficp_platform_data spitz_ficp_platform_data = {
	.transceiver_cap	= IR_SIRMODE | IR_OFF,
};

static void __init spitz_irda_init(void)
{
	if (machine_is_akita())
		spitz_ficp_platform_data.gpio_pwdown = AKITA_GPIO_IR_ON;
	else
		spitz_ficp_platform_data.gpio_pwdown = SPITZ_GPIO_IR_ON;

	pxa_set_ficp_info(&spitz_ficp_platform_data);
}
#else
static inline void spitz_irda_init(void) {}
#endif

/******************************************************************************
 * Framebuffer
 ******************************************************************************/
#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
static struct pxafb_mode_info spitz_pxafb_modes[] = {
	{
		.pixclock       = 19231,
		.xres           = 480,
		.yres           = 640,
		.bpp            = 16,
		.hsync_len      = 40,
		.left_margin    = 46,
		.right_margin   = 125,
		.vsync_len      = 3,
		.upper_margin   = 1,
		.lower_margin   = 0,
		.sync           = 0,
	}, {
		.pixclock       = 134617,
		.xres           = 240,
		.yres           = 320,
		.bpp            = 16,
		.hsync_len      = 20,
		.left_margin    = 20,
		.right_margin   = 46,
		.vsync_len      = 2,
		.upper_margin   = 1,
		.lower_margin   = 0,
		.sync           = 0,
	},
};

static struct pxafb_mach_info spitz_pxafb_info = {
	.modes          = spitz_pxafb_modes,
	.num_modes      = ARRAY_SIZE(spitz_pxafb_modes),
	.fixed_modes    = 1,
	.lcd_conn	= LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING,
};

static void __init spitz_lcd_init(void)
{
	pxa_set_fb_info(NULL, &spitz_pxafb_info);
}
#else
static inline void spitz_lcd_init(void) {}
#endif

/******************************************************************************
 * Framebuffer
 ******************************************************************************/
#if defined(CONFIG_MTD_NAND_SHARPSL) || defined(CONFIG_MTD_NAND_SHARPSL_MODULE)
static struct mtd_partition spitz_nand_partitions[] = {
	{
		.name = "System Area",
		.offset = 0,
		.size = 7 * 1024 * 1024,
	}, {
		.name = "Root Filesystem",
		.offset = 7 * 1024 * 1024,
	}, {
		.name = "Home Filesystem",
		.offset = MTDPART_OFS_APPEND,
		.size = MTDPART_SIZ_FULL,
	},
};

static uint8_t scan_ff_pattern[] = { 0xff, 0xff };

static struct nand_bbt_descr spitz_nand_bbt = {
	.options	= 0,
	.offs		= 4,
	.len		= 2,
	.pattern	= scan_ff_pattern
};

static struct nand_ecclayout akita_oobinfo = {
	.oobfree	= { {0x08, 0x09} },
	.eccbytes	= 24,
	.eccpos		= {
			0x05, 0x01, 0x02, 0x03, 0x06, 0x07, 0x15, 0x11,
			0x12, 0x13, 0x16, 0x17, 0x25, 0x21, 0x22, 0x23,
			0x26, 0x27, 0x35, 0x31, 0x32, 0x33, 0x36, 0x37,
	},
};

static struct sharpsl_nand_platform_data spitz_nand_pdata = {
	.badblock_pattern	= &spitz_nand_bbt,
	.partitions		= spitz_nand_partitions,
	.nr_partitions		= ARRAY_SIZE(spitz_nand_partitions),
};

static struct resource spitz_nand_resources[] = {
	{
		.start	= PXA_CS3_PHYS,
		.end	= PXA_CS3_PHYS + SZ_4K - 1,
		.flags	= IORESOURCE_MEM,
	},
};

static struct platform_device spitz_nand_device = {
	.name		= "sharpsl-nand",
	.id		= -1,
	.resource	= spitz_nand_resources,
	.num_resources	= ARRAY_SIZE(spitz_nand_resources),
	.dev		= {
		.platform_data	= &spitz_nand_pdata,
	}
};

static void __init spitz_nand_init(void)
{
	if (machine_is_spitz()) {
		spitz_nand_partitions[1].size = 5 * 1024 * 1024;
	} else if (machine_is_akita()) {
		spitz_nand_partitions[1].size = 58 * 1024 * 1024;
		spitz_nand_bbt.len = 1;
		spitz_nand_pdata.ecc_layout = &akita_oobinfo;
	} else if (machine_is_borzoi()) {
		spitz_nand_partitions[1].size = 32 * 1024 * 1024;
		spitz_nand_bbt.len = 1;
		spitz_nand_pdata.ecc_layout = &akita_oobinfo;
	}

	platform_device_register(&spitz_nand_device);
}
#else
static inline void spitz_nand_init(void) {}
#endif

/******************************************************************************
 * NOR Flash
 ******************************************************************************/
#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
static struct mtd_partition spitz_rom_parts[] = {
	{
		.name	="Boot PROM Filesystem",
		.offset	= 0x00140000,
		.size	= MTDPART_SIZ_FULL,
	},
};

static struct physmap_flash_data spitz_rom_data = {
	.width		= 2,
	.nr_parts	= ARRAY_SIZE(spitz_rom_parts),
	.parts		= spitz_rom_parts,
};

static struct resource spitz_rom_resources[] = {
	{
		.start	= PXA_CS0_PHYS,
		.end	= PXA_CS0_PHYS + SZ_8M - 1,
		.flags	= IORESOURCE_MEM,
	},
};

static struct platform_device spitz_rom_device = {
	.name		= "physmap-flash",
	.id		= -1,
	.resource	= spitz_rom_resources,
	.num_resources	= ARRAY_SIZE(spitz_rom_resources),
	.dev		= {
		.platform_data	= &spitz_rom_data,
	},
};

static void __init spitz_nor_init(void)
{
	platform_device_register(&spitz_rom_device);
}
#else
static inline void spitz_nor_init(void) {}
#endif

/******************************************************************************
 * GPIO expander
 ******************************************************************************/
#if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
static struct pca953x_platform_data akita_pca953x_pdata = {
	.gpio_base		= AKITA_IOEXP_GPIO_BASE,
};

static struct i2c_board_info spitz_i2c_devs[] = {
	{
		.type		= "wm8750",
		.addr		= 0x1b,
	}, {
		.type		= "max7310",
		.addr		= 0x18,
		.platform_data	= &akita_pca953x_pdata,
	},
};

static struct regulator_consumer_supply isl6271a_consumers[] = {
	{
		.supply	= "vcc_core",
	}
};

static struct regulator_init_data isl6271a_info[] = {
	{
		.constraints = {
			.name		= "vcc_core range",
			.min_uV		= 850000,
			.max_uV		= 1600000,
			.always_on	= 1,
			.valid_ops_mask	= REGULATOR_CHANGE_VOLTAGE,
		},
	.consumer_supplies	= isl6271a_consumers,
	.num_consumer_supplies	= ARRAY_SIZE(isl6271a_consumers),
	}
};

static struct i2c_board_info spitz_pi2c_devs[] = {
	{
		.type		= "isl6271a",
		.addr		= 0x0c,
		.platform_data	= &isl6271a_info,
	},
};

static void __init spitz_i2c_init(void)
{
	int size = ARRAY_SIZE(spitz_i2c_devs);

	/* Only Akita has the max7310 chip */
	if (!machine_is_akita())
		size--;

	pxa_set_i2c_info(NULL);
	pxa27x_set_i2c_power_info(NULL);
	i2c_register_board_info(0, spitz_i2c_devs, size);
	i2c_register_board_info(1, ARRAY_AND_SIZE(spitz_pi2c_devs));
}
#else
static inline void spitz_i2c_init(void) {}
#endif

/******************************************************************************
 * Machine init
 ******************************************************************************/
static void spitz_poweroff(void)
{
	arm_machine_restart('g', NULL);
}

static void spitz_restart(char mode, const char *cmd)
{
	uint32_t msc0 = __raw_readl(MSC0);
	/* Bootloader magic for a reboot */
	if ((msc0 & 0xffff0000) == 0x7ff00000)
		__raw_writel((msc0 & 0xffff) | 0x7ee00000, MSC0);

	spitz_poweroff();
}

static void __init spitz_init(void)
{
	init_gpio_reset(SPITZ_GPIO_ON_RESET, 1, 0);
	pm_power_off = spitz_poweroff;
	arm_pm_restart = spitz_restart;

	PMCR = 0x00;

	/* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
	PCFR |= PCFR_OPDE;

	pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config));

	pxa_set_ffuart_info(NULL);
	pxa_set_btuart_info(NULL);
	pxa_set_stuart_info(NULL);

	spitz_spi_init();
	spitz_scoop_init();
	spitz_mkp_init();
	spitz_keys_init();
	spitz_leds_init();
	spitz_mmc_init();
	spitz_pcmcia_init();
	spitz_irda_init();
	spitz_uhc_init();
	spitz_lcd_init();
	spitz_nor_init();
	spitz_nand_init();
	spitz_i2c_init();
}

static void __init spitz_fixup(struct tag *tags, char **cmdline,
			       struct meminfo *mi)
{
	sharpsl_save_param();
	mi->nr_banks = 1;
	mi->bank[0].start = 0xa0000000;
	mi->bank[0].size = (64*1024*1024);
}

#ifdef CONFIG_MACH_SPITZ
MACHINE_START(SPITZ, "SHARP Spitz")
	.fixup		= spitz_fixup,
	.map_io		= pxa27x_map_io,
	.init_irq	= pxa27x_init_irq,
	.handle_irq	= pxa27x_handle_irq,
	.init_machine	= spitz_init,
	.timer		= &pxa_timer,
MACHINE_END
#endif

#ifdef CONFIG_MACH_BORZOI
MACHINE_START(BORZOI, "SHARP Borzoi")
	.fixup		= spitz_fixup,
	.map_io		= pxa27x_map_io,
	.init_irq	= pxa27x_init_irq,
	.handle_irq	= pxa27x_handle_irq,
	.init_machine	= spitz_init,
	.timer		= &pxa_timer,
MACHINE_END
#endif

#ifdef CONFIG_MACH_AKITA
MACHINE_START(AKITA, "SHARP Akita")
	.fixup		= spitz_fixup,
	.map_io		= pxa27x_map_io,
	.init_irq	= pxa27x_init_irq,
	.handle_irq	= pxa27x_handle_irq,
	.init_machine	= spitz_init,
	.timer		= &pxa_timer,
MACHINE_END
#endif