summaryrefslogtreecommitdiffstats
path: root/drivers/input/keyboard/adp5589-keys.c
blob: 02b5d53031bfadb4c8869b00b519fae79b1f556c (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
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
/*
 * Description:  keypad driver for ADP5589, ADP5585
 *		 I2C QWERTY Keypad and IO Expander
 * Bugs: Enter bugs at http://blackfin.uclinux.org/
 *
 * Copyright (C) 2010-2011 Analog Devices Inc.
 * Licensed under the GPL-2.
 */

#include <linux/module.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/workqueue.h>
#include <linux/errno.h>
#include <linux/pm.h>
#include <linux/platform_device.h>
#include <linux/input.h>
#include <linux/i2c.h>
#include <linux/gpio.h>
#include <linux/slab.h>

#include <linux/input/adp5589.h>

/* ADP5589/ADP5585 Common Registers */
#define ADP5589_5_ID			0x00
#define ADP5589_5_INT_STATUS		0x01
#define ADP5589_5_STATUS		0x02
#define ADP5589_5_FIFO_1		0x03
#define ADP5589_5_FIFO_2		0x04
#define ADP5589_5_FIFO_3		0x05
#define ADP5589_5_FIFO_4		0x06
#define ADP5589_5_FIFO_5		0x07
#define ADP5589_5_FIFO_6		0x08
#define ADP5589_5_FIFO_7		0x09
#define ADP5589_5_FIFO_8		0x0A
#define ADP5589_5_FIFO_9		0x0B
#define ADP5589_5_FIFO_10		0x0C
#define ADP5589_5_FIFO_11		0x0D
#define ADP5589_5_FIFO_12		0x0E
#define ADP5589_5_FIFO_13		0x0F
#define ADP5589_5_FIFO_14		0x10
#define ADP5589_5_FIFO_15		0x11
#define ADP5589_5_FIFO_16		0x12
#define ADP5589_5_GPI_INT_STAT_A	0x13
#define ADP5589_5_GPI_INT_STAT_B	0x14

/* ADP5589 Registers */
#define ADP5589_GPI_INT_STAT_C		0x15
#define ADP5589_GPI_STATUS_A		0x16
#define ADP5589_GPI_STATUS_B		0x17
#define ADP5589_GPI_STATUS_C		0x18
#define ADP5589_RPULL_CONFIG_A		0x19
#define ADP5589_RPULL_CONFIG_B		0x1A
#define ADP5589_RPULL_CONFIG_C		0x1B
#define ADP5589_RPULL_CONFIG_D		0x1C
#define ADP5589_RPULL_CONFIG_E		0x1D
#define ADP5589_GPI_INT_LEVEL_A		0x1E
#define ADP5589_GPI_INT_LEVEL_B		0x1F
#define ADP5589_GPI_INT_LEVEL_C		0x20
#define ADP5589_GPI_EVENT_EN_A		0x21
#define ADP5589_GPI_EVENT_EN_B		0x22
#define ADP5589_GPI_EVENT_EN_C		0x23
#define ADP5589_GPI_INTERRUPT_EN_A	0x24
#define ADP5589_GPI_INTERRUPT_EN_B	0x25
#define ADP5589_GPI_INTERRUPT_EN_C	0x26
#define ADP5589_DEBOUNCE_DIS_A		0x27
#define ADP5589_DEBOUNCE_DIS_B		0x28
#define ADP5589_DEBOUNCE_DIS_C		0x29
#define ADP5589_GPO_DATA_OUT_A		0x2A
#define ADP5589_GPO_DATA_OUT_B		0x2B
#define ADP5589_GPO_DATA_OUT_C		0x2C
#define ADP5589_GPO_OUT_MODE_A		0x2D
#define ADP5589_GPO_OUT_MODE_B		0x2E
#define ADP5589_GPO_OUT_MODE_C		0x2F
#define ADP5589_GPIO_DIRECTION_A	0x30
#define ADP5589_GPIO_DIRECTION_B	0x31
#define ADP5589_GPIO_DIRECTION_C	0x32
#define ADP5589_UNLOCK1			0x33
#define ADP5589_UNLOCK2			0x34
#define ADP5589_EXT_LOCK_EVENT		0x35
#define ADP5589_UNLOCK_TIMERS		0x36
#define ADP5589_LOCK_CFG		0x37
#define ADP5589_RESET1_EVENT_A		0x38
#define ADP5589_RESET1_EVENT_B		0x39
#define ADP5589_RESET1_EVENT_C		0x3A
#define ADP5589_RESET2_EVENT_A		0x3B
#define ADP5589_RESET2_EVENT_B		0x3C
#define ADP5589_RESET_CFG		0x3D
#define ADP5589_PWM_OFFT_LOW		0x3E
#define ADP5589_PWM_OFFT_HIGH		0x3F
#define ADP5589_PWM_ONT_LOW		0x40
#define ADP5589_PWM_ONT_HIGH		0x41
#define ADP5589_PWM_CFG			0x42
#define ADP5589_CLOCK_DIV_CFG		0x43
#define ADP5589_LOGIC_1_CFG		0x44
#define ADP5589_LOGIC_2_CFG		0x45
#define ADP5589_LOGIC_FF_CFG		0x46
#define ADP5589_LOGIC_INT_EVENT_EN	0x47
#define ADP5589_POLL_PTIME_CFG		0x48
#define ADP5589_PIN_CONFIG_A		0x49
#define ADP5589_PIN_CONFIG_B		0x4A
#define ADP5589_PIN_CONFIG_C		0x4B
#define ADP5589_PIN_CONFIG_D		0x4C
#define ADP5589_GENERAL_CFG		0x4D
#define ADP5589_INT_EN			0x4E

/* ADP5585 Registers */
#define ADP5585_GPI_STATUS_A		0x15
#define ADP5585_GPI_STATUS_B		0x16
#define ADP5585_RPULL_CONFIG_A		0x17
#define ADP5585_RPULL_CONFIG_B		0x18
#define ADP5585_RPULL_CONFIG_C		0x19
#define ADP5585_RPULL_CONFIG_D		0x1A
#define ADP5585_GPI_INT_LEVEL_A		0x1B
#define ADP5585_GPI_INT_LEVEL_B		0x1C
#define ADP5585_GPI_EVENT_EN_A		0x1D
#define ADP5585_GPI_EVENT_EN_B		0x1E
#define ADP5585_GPI_INTERRUPT_EN_A	0x1F
#define ADP5585_GPI_INTERRUPT_EN_B	0x20
#define ADP5585_DEBOUNCE_DIS_A		0x21
#define ADP5585_DEBOUNCE_DIS_B		0x22
#define ADP5585_GPO_DATA_OUT_A		0x23
#define ADP5585_GPO_DATA_OUT_B		0x24
#define ADP5585_GPO_OUT_MODE_A		0x25
#define ADP5585_GPO_OUT_MODE_B		0x26
#define ADP5585_GPIO_DIRECTION_A	0x27
#define ADP5585_GPIO_DIRECTION_B	0x28
#define ADP5585_RESET1_EVENT_A		0x29
#define ADP5585_RESET1_EVENT_B		0x2A
#define ADP5585_RESET1_EVENT_C		0x2B
#define ADP5585_RESET2_EVENT_A		0x2C
#define ADP5585_RESET2_EVENT_B		0x2D
#define ADP5585_RESET_CFG		0x2E
#define ADP5585_PWM_OFFT_LOW		0x2F
#define ADP5585_PWM_OFFT_HIGH		0x30
#define ADP5585_PWM_ONT_LOW		0x31
#define ADP5585_PWM_ONT_HIGH		0x32
#define ADP5585_PWM_CFG			0x33
#define ADP5585_LOGIC_CFG		0x34
#define ADP5585_LOGIC_FF_CFG		0x35
#define ADP5585_LOGIC_INT_EVENT_EN	0x36
#define ADP5585_POLL_PTIME_CFG		0x37
#define ADP5585_PIN_CONFIG_A		0x38
#define ADP5585_PIN_CONFIG_B		0x39
#define ADP5585_PIN_CONFIG_D		0x3A
#define ADP5585_GENERAL_CFG		0x3B
#define ADP5585_INT_EN			0x3C

/* ID Register */
#define ADP5589_5_DEVICE_ID_MASK	0xF
#define ADP5589_5_MAN_ID_MASK		0xF
#define ADP5589_5_MAN_ID_SHIFT		4
#define ADP5589_5_MAN_ID		0x02

/* GENERAL_CFG Register */
#define OSC_EN		(1 << 7)
#define CORE_CLK(x)	(((x) & 0x3) << 5)
#define LCK_TRK_LOGIC	(1 << 4)	/* ADP5589 only */
#define LCK_TRK_GPI	(1 << 3)	/* ADP5589 only */
#define INT_CFG		(1 << 1)
#define RST_CFG		(1 << 0)

/* INT_EN Register */
#define LOGIC2_IEN	(1 << 5)	/* ADP5589 only */
#define LOGIC1_IEN	(1 << 4)
#define LOCK_IEN	(1 << 3)	/* ADP5589 only */
#define OVRFLOW_IEN	(1 << 2)
#define GPI_IEN		(1 << 1)
#define EVENT_IEN	(1 << 0)

/* Interrupt Status Register */
#define LOGIC2_INT	(1 << 5)	/* ADP5589 only */
#define LOGIC1_INT	(1 << 4)
#define LOCK_INT	(1 << 3)	/* ADP5589 only */
#define OVRFLOW_INT	(1 << 2)
#define GPI_INT		(1 << 1)
#define EVENT_INT	(1 << 0)

/* STATUS Register */
#define LOGIC2_STAT	(1 << 7)	/* ADP5589 only */
#define LOGIC1_STAT	(1 << 6)
#define LOCK_STAT	(1 << 5)	/* ADP5589 only */
#define KEC		0xF

/* PIN_CONFIG_D Register */
#define C4_EXTEND_CFG	(1 << 6)	/* RESET2 */
#define R4_EXTEND_CFG	(1 << 5)	/* RESET1 */

/* LOCK_CFG */
#define LOCK_EN		(1 << 0)

#define PTIME_MASK	0x3
#define LTIME_MASK	0x3		/* ADP5589 only */

/* Key Event Register xy */
#define KEY_EV_PRESSED		(1 << 7)
#define KEY_EV_MASK		(0x7F)

#define KEYP_MAX_EVENT		16
#define ADP5589_MAXGPIO		19
#define ADP5585_MAXGPIO		11 /* 10 on the ADP5585-01, 11 on ADP5585-02 */

enum {
	ADP5589,
	ADP5585_01,
	ADP5585_02
};

struct adp_constants {
	u8 maxgpio;
	u8 keymapsize;
	u8 gpi_pin_row_base;
	u8 gpi_pin_row_end;
	u8 gpi_pin_col_base;
	u8 gpi_pin_base;
	u8 gpi_pin_end;
	u8 gpimapsize_max;
	u8 max_row_num;
	u8 max_col_num;
	u8 row_mask;
	u8 col_mask;
	u8 col_shift;
	u8 c4_extend_cfg;
	u8 (*bank) (u8 offset);
	u8 (*bit) (u8 offset);
	u8 (*reg) (u8 reg);
};

struct adp5589_kpad {
	struct i2c_client *client;
	struct input_dev *input;
	const struct adp_constants *var;
	unsigned short keycode[ADP5589_KEYMAPSIZE];
	const struct adp5589_gpi_map *gpimap;
	unsigned short gpimapsize;
	unsigned extend_cfg;
	bool is_adp5585;
	bool adp5585_support_row5;
#ifdef CONFIG_GPIOLIB
	unsigned char gpiomap[ADP5589_MAXGPIO];
	bool export_gpio;
	struct gpio_chip gc;
	struct mutex gpio_lock;	/* Protect cached dir, dat_out */
	u8 dat_out[3];
	u8 dir[3];
#endif
};

/*
 *  ADP5589 / ADP5585 derivative / variant handling
 */


/* ADP5589 */

static unsigned char adp5589_bank(unsigned char offset)
{
	return offset >> 3;
}

static unsigned char adp5589_bit(unsigned char offset)
{
	return 1u << (offset & 0x7);
}

static unsigned char adp5589_reg(unsigned char reg)
{
	return reg;
}

static const struct adp_constants const_adp5589 = {
	.maxgpio		= ADP5589_MAXGPIO,
	.keymapsize		= ADP5589_KEYMAPSIZE,
	.gpi_pin_row_base	= ADP5589_GPI_PIN_ROW_BASE,
	.gpi_pin_row_end	= ADP5589_GPI_PIN_ROW_END,
	.gpi_pin_col_base	= ADP5589_GPI_PIN_COL_BASE,
	.gpi_pin_base		= ADP5589_GPI_PIN_BASE,
	.gpi_pin_end		= ADP5589_GPI_PIN_END,
	.gpimapsize_max		= ADP5589_GPIMAPSIZE_MAX,
	.c4_extend_cfg		= 12,
	.max_row_num		= ADP5589_MAX_ROW_NUM,
	.max_col_num		= ADP5589_MAX_COL_NUM,
	.row_mask		= ADP5589_ROW_MASK,
	.col_mask		= ADP5589_COL_MASK,
	.col_shift		= ADP5589_COL_SHIFT,
	.bank			= adp5589_bank,
	.bit			= adp5589_bit,
	.reg			= adp5589_reg,
};

/* ADP5585 */

static unsigned char adp5585_bank(unsigned char offset)
{
	return offset > ADP5585_MAX_ROW_NUM;
}

static unsigned char adp5585_bit(unsigned char offset)
{
	return (offset > ADP5585_MAX_ROW_NUM) ?
		1u << (offset - ADP5585_COL_SHIFT) : 1u << offset;
}

static const unsigned char adp5585_reg_lut[] = {
	[ADP5589_GPI_STATUS_A]		= ADP5585_GPI_STATUS_A,
	[ADP5589_GPI_STATUS_B]		= ADP5585_GPI_STATUS_B,
	[ADP5589_RPULL_CONFIG_A]	= ADP5585_RPULL_CONFIG_A,
	[ADP5589_RPULL_CONFIG_B]	= ADP5585_RPULL_CONFIG_B,
	[ADP5589_RPULL_CONFIG_C]	= ADP5585_RPULL_CONFIG_C,
	[ADP5589_RPULL_CONFIG_D]	= ADP5585_RPULL_CONFIG_D,
	[ADP5589_GPI_INT_LEVEL_A]	= ADP5585_GPI_INT_LEVEL_A,
	[ADP5589_GPI_INT_LEVEL_B]	= ADP5585_GPI_INT_LEVEL_B,
	[ADP5589_GPI_EVENT_EN_A]	= ADP5585_GPI_EVENT_EN_A,
	[ADP5589_GPI_EVENT_EN_B]	= ADP5585_GPI_EVENT_EN_B,
	[ADP5589_GPI_INTERRUPT_EN_A]	= ADP5585_GPI_INTERRUPT_EN_A,
	[ADP5589_GPI_INTERRUPT_EN_B]	= ADP5585_GPI_INTERRUPT_EN_B,
	[ADP5589_DEBOUNCE_DIS_A]	= ADP5585_DEBOUNCE_DIS_A,
	[ADP5589_DEBOUNCE_DIS_B]	= ADP5585_DEBOUNCE_DIS_B,
	[ADP5589_GPO_DATA_OUT_A]	= ADP5585_GPO_DATA_OUT_A,
	[ADP5589_GPO_DATA_OUT_B]	= ADP5585_GPO_DATA_OUT_B,
	[ADP5589_GPO_OUT_MODE_A]	= ADP5585_GPO_OUT_MODE_A,
	[ADP5589_GPO_OUT_MODE_B]	= ADP5585_GPO_OUT_MODE_B,
	[ADP5589_GPIO_DIRECTION_A]	= ADP5585_GPIO_DIRECTION_A,
	[ADP5589_GPIO_DIRECTION_B]	= ADP5585_GPIO_DIRECTION_B,
	[ADP5589_RESET1_EVENT_A]	= ADP5585_RESET1_EVENT_A,
	[ADP5589_RESET1_EVENT_B]	= ADP5585_RESET1_EVENT_B,
	[ADP5589_RESET1_EVENT_C]	= ADP5585_RESET1_EVENT_C,
	[ADP5589_RESET2_EVENT_A]	= ADP5585_RESET2_EVENT_A,
	[ADP5589_RESET2_EVENT_B]	= ADP5585_RESET2_EVENT_B,
	[ADP5589_RESET_CFG]		= ADP5585_RESET_CFG,
	[ADP5589_PWM_OFFT_LOW]		= ADP5585_PWM_OFFT_LOW,
	[ADP5589_PWM_OFFT_HIGH]		= ADP5585_PWM_OFFT_HIGH,
	[ADP5589_PWM_ONT_LOW]		= ADP5585_PWM_ONT_LOW,
	[ADP5589_PWM_ONT_HIGH]		= ADP5585_PWM_ONT_HIGH,
	[ADP5589_PWM_CFG]		= ADP5585_PWM_CFG,
	[ADP5589_LOGIC_1_CFG]		= ADP5585_LOGIC_CFG,
	[ADP5589_LOGIC_FF_CFG]		= ADP5585_LOGIC_FF_CFG,
	[ADP5589_LOGIC_INT_EVENT_EN]	= ADP5585_LOGIC_INT_EVENT_EN,
	[ADP5589_POLL_PTIME_CFG]	= ADP5585_POLL_PTIME_CFG,
	[ADP5589_PIN_CONFIG_A]		= ADP5585_PIN_CONFIG_A,
	[ADP5589_PIN_CONFIG_B]		= ADP5585_PIN_CONFIG_B,
	[ADP5589_PIN_CONFIG_D]		= ADP5585_PIN_CONFIG_D,
	[ADP5589_GENERAL_CFG]		= ADP5585_GENERAL_CFG,
	[ADP5589_INT_EN]		= ADP5585_INT_EN,
};

static unsigned char adp5585_reg(unsigned char reg)
{
	return adp5585_reg_lut[reg];
}

static const struct adp_constants const_adp5585 = {
	.maxgpio		= ADP5585_MAXGPIO,
	.keymapsize		= ADP5585_KEYMAPSIZE,
	.gpi_pin_row_base	= ADP5585_GPI_PIN_ROW_BASE,
	.gpi_pin_row_end	= ADP5585_GPI_PIN_ROW_END,
	.gpi_pin_col_base	= ADP5585_GPI_PIN_COL_BASE,
	.gpi_pin_base		= ADP5585_GPI_PIN_BASE,
	.gpi_pin_end		= ADP5585_GPI_PIN_END,
	.gpimapsize_max		= ADP5585_GPIMAPSIZE_MAX,
	.c4_extend_cfg		= 10,
	.max_row_num		= ADP5585_MAX_ROW_NUM,
	.max_col_num		= ADP5585_MAX_COL_NUM,
	.row_mask		= ADP5585_ROW_MASK,
	.col_mask		= ADP5585_COL_MASK,
	.col_shift		= ADP5585_COL_SHIFT,
	.bank			= adp5585_bank,
	.bit			= adp5585_bit,
	.reg			= adp5585_reg,
};

static int adp5589_read(struct i2c_client *client, u8 reg)
{
	int ret = i2c_smbus_read_byte_data(client, reg);

	if (ret < 0)
		dev_err(&client->dev, "Read Error\n");

	return ret;
}

static int adp5589_write(struct i2c_client *client, u8 reg, u8 val)
{
	return i2c_smbus_write_byte_data(client, reg, val);
}

#ifdef CONFIG_GPIOLIB
static int adp5589_gpio_get_value(struct gpio_chip *chip, unsigned off)
{
	struct adp5589_kpad *kpad = container_of(chip, struct adp5589_kpad, gc);
	unsigned int bank = kpad->var->bank(kpad->gpiomap[off]);
	unsigned int bit = kpad->var->bit(kpad->gpiomap[off]);

	return !!(adp5589_read(kpad->client,
			       kpad->var->reg(ADP5589_GPI_STATUS_A) + bank) &
			       bit);
}

static void adp5589_gpio_set_value(struct gpio_chip *chip,
				   unsigned off, int val)
{
	struct adp5589_kpad *kpad = container_of(chip, struct adp5589_kpad, gc);
	unsigned int bank = kpad->var->bank(kpad->gpiomap[off]);
	unsigned int bit = kpad->var->bit(kpad->gpiomap[off]);

	mutex_lock(&kpad->gpio_lock);

	if (val)
		kpad->dat_out[bank] |= bit;
	else
		kpad->dat_out[bank] &= ~bit;

	adp5589_write(kpad->client, kpad->var->reg(ADP5589_GPO_DATA_OUT_A) +
		      bank, kpad->dat_out[bank]);

	mutex_unlock(&kpad->gpio_lock);
}

static int adp5589_gpio_direction_input(struct gpio_chip *chip, unsigned off)
{
	struct adp5589_kpad *kpad = container_of(chip, struct adp5589_kpad, gc);
	unsigned int bank = kpad->var->bank(kpad->gpiomap[off]);
	unsigned int bit = kpad->var->bit(kpad->gpiomap[off]);
	int ret;

	mutex_lock(&kpad->gpio_lock);

	kpad->dir[bank] &= ~bit;
	ret = adp5589_write(kpad->client,
			    kpad->var->reg(ADP5589_GPIO_DIRECTION_A) + bank,
			    kpad->dir[bank]);

	mutex_unlock(&kpad->gpio_lock);

	return ret;
}

static int adp5589_gpio_direction_output(struct gpio_chip *chip,
					 unsigned off, int val)
{
	struct adp5589_kpad *kpad = container_of(chip, struct adp5589_kpad, gc);
	unsigned int bank = kpad->var->bank(kpad->gpiomap[off]);
	unsigned int bit = kpad->var->bit(kpad->gpiomap[off]);
	int ret;

	mutex_lock(&kpad->gpio_lock);

	kpad->dir[bank] |= bit;

	if (val)
		kpad->dat_out[bank] |= bit;
	else
		kpad->dat_out[bank] &= ~bit;

	ret = adp5589_write(kpad->client, kpad->var->reg(ADP5589_GPO_DATA_OUT_A)
			    + bank, kpad->dat_out[bank]);
	ret |= adp5589_write(kpad->client,
			     kpad->var->reg(ADP5589_GPIO_DIRECTION_A) + bank,
			     kpad->dir[bank]);

	mutex_unlock(&kpad->gpio_lock);

	return ret;
}

static int __devinit adp5589_build_gpiomap(struct adp5589_kpad *kpad,
				const struct adp5589_kpad_platform_data *pdata)
{
	bool pin_used[ADP5589_MAXGPIO];
	int n_unused = 0;
	int i;

	memset(pin_used, false, sizeof(pin_used));

	for (i = 0; i < kpad->var->maxgpio; i++)
		if (pdata->keypad_en_mask & (1 << i))
			pin_used[i] = true;

	for (i = 0; i < kpad->gpimapsize; i++)
		pin_used[kpad->gpimap[i].pin - kpad->var->gpi_pin_base] = true;

	if (kpad->extend_cfg & R4_EXTEND_CFG)
		pin_used[4] = true;

	if (kpad->extend_cfg & C4_EXTEND_CFG)
		pin_used[kpad->var->c4_extend_cfg] = true;

	if (!kpad->adp5585_support_row5)
		pin_used[5] = true;

	for (i = 0; i < kpad->var->maxgpio; i++)
		if (!pin_used[i])
			kpad->gpiomap[n_unused++] = i;

	return n_unused;
}

static int __devinit adp5589_gpio_add(struct adp5589_kpad *kpad)
{
	struct device *dev = &kpad->client->dev;
	const struct adp5589_kpad_platform_data *pdata = dev->platform_data;
	const struct adp5589_gpio_platform_data *gpio_data = pdata->gpio_data;
	int i, error;

	if (!gpio_data)
		return 0;

	kpad->gc.ngpio = adp5589_build_gpiomap(kpad, pdata);
	if (kpad->gc.ngpio == 0) {
		dev_info(dev, "No unused gpios left to export\n");
		return 0;
	}

	kpad->export_gpio = true;

	kpad->gc.direction_input = adp5589_gpio_direction_input;
	kpad->gc.direction_output = adp5589_gpio_direction_output;
	kpad->gc.get = adp5589_gpio_get_value;
	kpad->gc.set = adp5589_gpio_set_value;
	kpad->gc.can_sleep = 1;

	kpad->gc.base = gpio_data->gpio_start;
	kpad->gc.label = kpad->client->name;
	kpad->gc.owner = THIS_MODULE;

	mutex_init(&kpad->gpio_lock);

	error = gpiochip_add(&kpad->gc);
	if (error) {
		dev_err(dev, "gpiochip_add failed, err: %d\n", error);
		return error;
	}

	for (i = 0; i <= kpad->var->bank(kpad->var->maxgpio); i++) {
		kpad->dat_out[i] = adp5589_read(kpad->client, kpad->var->reg(
						ADP5589_GPO_DATA_OUT_A) + i);
		kpad->dir[i] = adp5589_read(kpad->client, kpad->var->reg(
					    ADP5589_GPIO_DIRECTION_A) + i);
	}

	if (gpio_data->setup) {
		error = gpio_data->setup(kpad->client,
					 kpad->gc.base, kpad->gc.ngpio,
					 gpio_data->context);
		if (error)
			dev_warn(dev, "setup failed, %d\n", error);
	}

	return 0;
}

static void __devexit adp5589_gpio_remove(struct adp5589_kpad *kpad)
{
	struct device *dev = &kpad->client->dev;
	const struct adp5589_kpad_platform_data *pdata = dev->platform_data;
	const struct adp5589_gpio_platform_data *gpio_data = pdata->gpio_data;
	int error;

	if (!kpad->export_gpio)
		return;

	if (gpio_data->teardown) {
		error = gpio_data->teardown(kpad->client,
					    kpad->gc.base, kpad->gc.ngpio,
					    gpio_data->context);
		if (error)
			dev_warn(dev, "teardown failed %d\n", error);
	}

	error = gpiochip_remove(&kpad->gc);
	if (error)
		dev_warn(dev, "gpiochip_remove failed %d\n", error);
}
#else
static inline int adp5589_gpio_add(struct adp5589_kpad *kpad)
{
	return 0;
}

static inline void adp5589_gpio_remove(struct adp5589_kpad *kpad)
{
}
#endif

static void adp5589_report_switches(struct adp5589_kpad *kpad,
				    int key, int key_val)
{
	int i;

	for (i = 0; i < kpad->gpimapsize; i++) {
		if (key_val == kpad->gpimap[i].pin) {
			input_report_switch(kpad->input,
					    kpad->gpimap[i].sw_evt,
					    key & KEY_EV_PRESSED);
			break;
		}
	}
}

static void adp5589_report_events(struct adp5589_kpad *kpad, int ev_cnt)
{
	int i;

	for (i = 0; i < ev_cnt; i++) {
		int key = adp5589_read(kpad->client, ADP5589_5_FIFO_1 + i);
		int key_val = key & KEY_EV_MASK;

		if (key_val >= kpad->var->gpi_pin_base &&
		    key_val <= kpad->var->gpi_pin_end) {
			adp5589_report_switches(kpad, key, key_val);
		} else {
			input_report_key(kpad->input,
					 kpad->keycode[key_val - 1],
					 key & KEY_EV_PRESSED);
		}
	}
}

static irqreturn_t adp5589_irq(int irq, void *handle)
{
	struct adp5589_kpad *kpad = handle;
	struct i2c_client *client = kpad->client;
	int status, ev_cnt;

	status = adp5589_read(client, ADP5589_5_INT_STATUS);

	if (status & OVRFLOW_INT)	/* Unlikely and should never happen */
		dev_err(&client->dev, "Event Overflow Error\n");

	if (status & EVENT_INT) {
		ev_cnt = adp5589_read(client, ADP5589_5_STATUS) & KEC;
		if (ev_cnt) {
			adp5589_report_events(kpad, ev_cnt);
			input_sync(kpad->input);
		}
	}

	adp5589_write(client, ADP5589_5_INT_STATUS, status); /* Status is W1C */

	return IRQ_HANDLED;
}

static int __devinit adp5589_get_evcode(struct adp5589_kpad *kpad,
					unsigned short key)
{
	int i;

	for (i = 0; i < kpad->var->keymapsize; i++)
		if (key == kpad->keycode[i])
			return (i + 1) | KEY_EV_PRESSED;

	dev_err(&kpad->client->dev, "RESET/UNLOCK key not in keycode map\n");

	return -EINVAL;
}

static int __devinit adp5589_setup(struct adp5589_kpad *kpad)
{
	struct i2c_client *client = kpad->client;
	const struct adp5589_kpad_platform_data *pdata =
		client->dev.platform_data;
	u8 (*reg) (u8) = kpad->var->reg;
	unsigned char evt_mode1 = 0, evt_mode2 = 0, evt_mode3 = 0;
	unsigned char pull_mask = 0;
	int i, ret;

	ret = adp5589_write(client, reg(ADP5589_PIN_CONFIG_A),
			    pdata->keypad_en_mask & kpad->var->row_mask);
	ret |= adp5589_write(client, reg(ADP5589_PIN_CONFIG_B),
			     (pdata->keypad_en_mask >> kpad->var->col_shift) &
			     kpad->var->col_mask);

	if (!kpad->is_adp5585)
		ret |= adp5589_write(client, ADP5589_PIN_CONFIG_C,
				     (pdata->keypad_en_mask >> 16) & 0xFF);

	if (!kpad->is_adp5585 && pdata->en_keylock) {
		ret |= adp5589_write(client, ADP5589_UNLOCK1,
				     pdata->unlock_key1);
		ret |= adp5589_write(client, ADP5589_UNLOCK2,
				     pdata->unlock_key2);
		ret |= adp5589_write(client, ADP5589_UNLOCK_TIMERS,
				     pdata->unlock_timer & LTIME_MASK);
		ret |= adp5589_write(client, ADP5589_LOCK_CFG, LOCK_EN);
	}

	for (i = 0; i < KEYP_MAX_EVENT; i++)
		ret |= adp5589_read(client, ADP5589_5_FIFO_1 + i);

	for (i = 0; i < pdata->gpimapsize; i++) {
		unsigned short pin = pdata->gpimap[i].pin;

		if (pin <= kpad->var->gpi_pin_row_end) {
			evt_mode1 |= (1 << (pin - kpad->var->gpi_pin_row_base));
		} else {
			evt_mode2 |=
			    ((1 << (pin - kpad->var->gpi_pin_col_base)) & 0xFF);
			if (!kpad->is_adp5585)
				evt_mode3 |= ((1 << (pin -
					kpad->var->gpi_pin_col_base)) >> 8);
		}
	}

	if (pdata->gpimapsize) {
		ret |= adp5589_write(client, reg(ADP5589_GPI_EVENT_EN_A),
				     evt_mode1);
		ret |= adp5589_write(client, reg(ADP5589_GPI_EVENT_EN_B),
				     evt_mode2);
		if (!kpad->is_adp5585)
			ret |= adp5589_write(client,
					     reg(ADP5589_GPI_EVENT_EN_C),
					     evt_mode3);
	}

	if (pdata->pull_dis_mask & pdata->pullup_en_100k &
		pdata->pullup_en_300k & pdata->pulldown_en_300k)
		dev_warn(&client->dev, "Conflicting pull resistor config\n");

	for (i = 0; i <= kpad->var->max_row_num; i++) {
		unsigned val = 0, bit = (1 << i);
		if (pdata->pullup_en_300k & bit)
			val = 0;
		else if (pdata->pulldown_en_300k & bit)
			val = 1;
		else if (pdata->pullup_en_100k & bit)
			val = 2;
		else if (pdata->pull_dis_mask & bit)
			val = 3;

		pull_mask |= val << (2 * (i & 0x3));

		if (i == 3 || i == kpad->var->max_row_num) {
			ret |= adp5589_write(client, reg(ADP5585_RPULL_CONFIG_A)
					     + (i >> 2), pull_mask);
			pull_mask = 0;
		}
	}

	for (i = 0; i <= kpad->var->max_col_num; i++) {
		unsigned val = 0, bit = 1 << (i + kpad->var->col_shift);
		if (pdata->pullup_en_300k & bit)
			val = 0;
		else if (pdata->pulldown_en_300k & bit)
			val = 1;
		else if (pdata->pullup_en_100k & bit)
			val = 2;
		else if (pdata->pull_dis_mask & bit)
			val = 3;

		pull_mask |= val << (2 * (i & 0x3));

		if (i == 3 || i == kpad->var->max_col_num) {
			ret |= adp5589_write(client,
					     reg(ADP5585_RPULL_CONFIG_C) +
					     (i >> 2), pull_mask);
			pull_mask = 0;
		}
	}

	if (pdata->reset1_key_1 && pdata->reset1_key_2 && pdata->reset1_key_3) {
		ret |= adp5589_write(client, reg(ADP5589_RESET1_EVENT_A),
				     adp5589_get_evcode(kpad,
							pdata->reset1_key_1));
		ret |= adp5589_write(client, reg(ADP5589_RESET1_EVENT_B),
				     adp5589_get_evcode(kpad,
							pdata->reset1_key_2));
		ret |= adp5589_write(client, reg(ADP5589_RESET1_EVENT_C),
				     adp5589_get_evcode(kpad,
							pdata->reset1_key_3));
		kpad->extend_cfg |= R4_EXTEND_CFG;
	}

	if (pdata->reset2_key_1 && pdata->reset2_key_2) {
		ret |= adp5589_write(client, reg(ADP5589_RESET2_EVENT_A),
				     adp5589_get_evcode(kpad,
							pdata->reset2_key_1));
		ret |= adp5589_write(client, reg(ADP5589_RESET2_EVENT_B),
				     adp5589_get_evcode(kpad,
							pdata->reset2_key_2));
		kpad->extend_cfg |= C4_EXTEND_CFG;
	}

	if (kpad->extend_cfg) {
		ret |= adp5589_write(client, reg(ADP5589_RESET_CFG),
				     pdata->reset_cfg);
		ret |= adp5589_write(client, reg(ADP5589_PIN_CONFIG_D),
				     kpad->extend_cfg);
	}

	ret |= adp5589_write(client, reg(ADP5589_DEBOUNCE_DIS_A),
			    pdata->debounce_dis_mask & kpad->var->row_mask);

	ret |= adp5589_write(client, reg(ADP5589_DEBOUNCE_DIS_B),
			     (pdata->debounce_dis_mask >> kpad->var->col_shift)
			     & kpad->var->col_mask);

	if (!kpad->is_adp5585)
		ret |= adp5589_write(client, reg(ADP5589_DEBOUNCE_DIS_C),
				     (pdata->debounce_dis_mask >> 16) & 0xFF);

	ret |= adp5589_write(client, reg(ADP5589_POLL_PTIME_CFG),
			     pdata->scan_cycle_time & PTIME_MASK);
	ret |= adp5589_write(client, ADP5589_5_INT_STATUS,
			     (kpad->is_adp5585 ? 0 : LOGIC2_INT) |
			     LOGIC1_INT | OVRFLOW_INT |
			     (kpad->is_adp5585 ? 0 : LOCK_INT) |
			     GPI_INT | EVENT_INT);	/* Status is W1C */

	ret |= adp5589_write(client, reg(ADP5589_GENERAL_CFG),
			     INT_CFG | OSC_EN | CORE_CLK(3));
	ret |= adp5589_write(client, reg(ADP5589_INT_EN),
			     OVRFLOW_IEN | GPI_IEN | EVENT_IEN);

	if (ret < 0) {
		dev_err(&client->dev, "Write Error\n");
		return ret;
	}

	return 0;
}

static void __devinit adp5589_report_switch_state(struct adp5589_kpad *kpad)
{
	int gpi_stat_tmp, pin_loc;
	int i;
	int gpi_stat1 = adp5589_read(kpad->client,
				     kpad->var->reg(ADP5589_GPI_STATUS_A));
	int gpi_stat2 = adp5589_read(kpad->client,
				     kpad->var->reg(ADP5589_GPI_STATUS_B));
	int gpi_stat3 = !kpad->is_adp5585 ?
			adp5589_read(kpad->client, ADP5589_GPI_STATUS_C) : 0;

	for (i = 0; i < kpad->gpimapsize; i++) {
		unsigned short pin = kpad->gpimap[i].pin;

		if (pin <= kpad->var->gpi_pin_row_end) {
			gpi_stat_tmp = gpi_stat1;
			pin_loc = pin - kpad->var->gpi_pin_row_base;
		} else if ((pin - kpad->var->gpi_pin_col_base) < 8) {
			gpi_stat_tmp = gpi_stat2;
			pin_loc = pin - kpad->var->gpi_pin_col_base;
		} else {
			gpi_stat_tmp = gpi_stat3;
			pin_loc = pin - kpad->var->gpi_pin_col_base - 8;
		}

		if (gpi_stat_tmp < 0) {
			dev_err(&kpad->client->dev,
				"Can't read GPIO_DAT_STAT switch %d, default to OFF\n",
				pin);
			gpi_stat_tmp = 0;
		}

		input_report_switch(kpad->input,
				    kpad->gpimap[i].sw_evt,
				    !(gpi_stat_tmp & (1 << pin_loc)));
	}

	input_sync(kpad->input);
}

static int __devinit adp5589_probe(struct i2c_client *client,
				   const struct i2c_device_id *id)
{
	struct adp5589_kpad *kpad;
	const struct adp5589_kpad_platform_data *pdata =
		client->dev.platform_data;
	struct input_dev *input;
	unsigned int revid;
	int ret, i;
	int error;

	if (!i2c_check_functionality(client->adapter,
				     I2C_FUNC_SMBUS_BYTE_DATA)) {
		dev_err(&client->dev, "SMBUS Byte Data not Supported\n");
		return -EIO;
	}

	if (!pdata) {
		dev_err(&client->dev, "no platform data?\n");
		return -EINVAL;
	}

	kpad = kzalloc(sizeof(*kpad), GFP_KERNEL);
	if (!kpad)
		return -ENOMEM;

	switch (id->driver_data) {
	case ADP5585_02:
		kpad->adp5585_support_row5 = true;
	case ADP5585_01:
		kpad->is_adp5585 = true;
		kpad->var = &const_adp5585;
		break;
	case ADP5589:
		kpad->var = &const_adp5589;
		break;
	}

	if (!((pdata->keypad_en_mask & kpad->var->row_mask) &&
			(pdata->keypad_en_mask >> kpad->var->col_shift)) ||
			!pdata->keymap) {
		dev_err(&client->dev, "no rows, cols or keymap from pdata\n");
		error = -EINVAL;
		goto err_free_mem;
	}

	if (pdata->keymapsize != kpad->var->keymapsize) {
		dev_err(&client->dev, "invalid keymapsize\n");
		error = -EINVAL;
		goto err_free_mem;
	}

	if (!pdata->gpimap && pdata->gpimapsize) {
		dev_err(&client->dev, "invalid gpimap from pdata\n");
		error = -EINVAL;
		goto err_free_mem;
	}

	if (pdata->gpimapsize > kpad->var->gpimapsize_max) {
		dev_err(&client->dev, "invalid gpimapsize\n");
		error = -EINVAL;
		goto err_free_mem;
	}

	for (i = 0; i < pdata->gpimapsize; i++) {
		unsigned short pin = pdata->gpimap[i].pin;

		if (pin < kpad->var->gpi_pin_base ||
				pin > kpad->var->gpi_pin_end) {
			dev_err(&client->dev, "invalid gpi pin data\n");
			error = -EINVAL;
			goto err_free_mem;
		}

		if ((1 << (pin - kpad->var->gpi_pin_row_base)) &
				pdata->keypad_en_mask) {
			dev_err(&client->dev, "invalid gpi row/col data\n");
			error = -EINVAL;
			goto err_free_mem;
		}
	}

	if (!client->irq) {
		dev_err(&client->dev, "no IRQ?\n");
		error = -EINVAL;
		goto err_free_mem;
	}

	input = input_allocate_device();
	if (!input) {
		error = -ENOMEM;
		goto err_free_mem;
	}

	kpad->client = client;
	kpad->input = input;

	ret = adp5589_read(client, ADP5589_5_ID);
	if (ret < 0) {
		error = ret;
		goto err_free_input;
	}

	revid = (u8) ret & ADP5589_5_DEVICE_ID_MASK;

	input->name = client->name;
	input->phys = "adp5589-keys/input0";
	input->dev.parent = &client->dev;

	input_set_drvdata(input, kpad);

	input->id.bustype = BUS_I2C;
	input->id.vendor = 0x0001;
	input->id.product = 0x0001;
	input->id.version = revid;

	input->keycodesize = sizeof(kpad->keycode[0]);
	input->keycodemax = pdata->keymapsize;
	input->keycode = kpad->keycode;

	memcpy(kpad->keycode, pdata->keymap,
	       pdata->keymapsize * input->keycodesize);

	kpad->gpimap = pdata->gpimap;
	kpad->gpimapsize = pdata->gpimapsize;

	/* setup input device */
	__set_bit(EV_KEY, input->evbit);

	if (pdata->repeat)
		__set_bit(EV_REP, input->evbit);

	for (i = 0; i < input->keycodemax; i++)
		__set_bit(kpad->keycode[i] & KEY_MAX, input->keybit);
	__clear_bit(KEY_RESERVED, input->keybit);

	if (kpad->gpimapsize)
		__set_bit(EV_SW, input->evbit);
	for (i = 0; i < kpad->gpimapsize; i++)
		__set_bit(kpad->gpimap[i].sw_evt, input->swbit);

	error = input_register_device(input);
	if (error) {
		dev_err(&client->dev, "unable to register input device\n");
		goto err_free_input;
	}

	error = request_threaded_irq(client->irq, NULL, adp5589_irq,
				     IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
				     client->dev.driver->name, kpad);
	if (error) {
		dev_err(&client->dev, "irq %d busy?\n", client->irq);
		goto err_unreg_dev;
	}

	error = adp5589_setup(kpad);
	if (error)
		goto err_free_irq;

	if (kpad->gpimapsize)
		adp5589_report_switch_state(kpad);

	error = adp5589_gpio_add(kpad);
	if (error)
		goto err_free_irq;

	device_init_wakeup(&client->dev, 1);
	i2c_set_clientdata(client, kpad);

	dev_info(&client->dev, "Rev.%d keypad, irq %d\n", revid, client->irq);
	return 0;

err_free_irq:
	free_irq(client->irq, kpad);
err_unreg_dev:
	input_unregister_device(input);
	input = NULL;
err_free_input:
	input_free_device(input);
err_free_mem:
	kfree(kpad);

	return error;
}

static int __devexit adp5589_remove(struct i2c_client *client)
{
	struct adp5589_kpad *kpad = i2c_get_clientdata(client);

	adp5589_write(client, kpad->var->reg(ADP5589_GENERAL_CFG), 0);
	free_irq(client->irq, kpad);
	input_unregister_device(kpad->input);
	adp5589_gpio_remove(kpad);
	kfree(kpad);

	return 0;
}

#ifdef CONFIG_PM_SLEEP
static int adp5589_suspend(struct device *dev)
{
	struct adp5589_kpad *kpad = dev_get_drvdata(dev);
	struct i2c_client *client = kpad->client;

	disable_irq(client->irq);

	if (device_may_wakeup(&client->dev))
		enable_irq_wake(client->irq);

	return 0;
}

static int adp5589_resume(struct device *dev)
{
	struct adp5589_kpad *kpad = dev_get_drvdata(dev);
	struct i2c_client *client = kpad->client;

	if (device_may_wakeup(&client->dev))
		disable_irq_wake(client->irq);

	enable_irq(client->irq);

	return 0;
}
#endif

static SIMPLE_DEV_PM_OPS(adp5589_dev_pm_ops, adp5589_suspend, adp5589_resume);

static const struct i2c_device_id adp5589_id[] = {
	{"adp5589-keys", ADP5589},
	{"adp5585-keys", ADP5585_01},
	{"adp5585-02-keys", ADP5585_02}, /* Adds ROW5 to ADP5585 */
	{}
};

MODULE_DEVICE_TABLE(i2c, adp5589_id);

static struct i2c_driver adp5589_driver = {
	.driver = {
		.name = KBUILD_MODNAME,
		.owner = THIS_MODULE,
		.pm = &adp5589_dev_pm_ops,
	},
	.probe = adp5589_probe,
	.remove = __devexit_p(adp5589_remove),
	.id_table = adp5589_id,
};

static int __init adp5589_init(void)
{
	return i2c_add_driver(&adp5589_driver);
}
module_init(adp5589_init);

static void __exit adp5589_exit(void)
{
	i2c_del_driver(&adp5589_driver);
}
module_exit(adp5589_exit);

MODULE_LICENSE("GPL");
MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>");
MODULE_DESCRIPTION("ADP5589/ADP5585 Keypad driver");