summaryrefslogtreecommitdiff
path: root/drivers/pinctrl/spear/pinctrl-spear300.c
blob: 9db83e9ee18c7963131577c977984e41ae44cd98 (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
/*
 * Driver for the ST Microelectronics SPEAr300 pinmux
 *
 * Copyright (C) 2012 ST Microelectronics
 * Viresh Kumar <viresh.linux@gmail.com>
 *
 * This file is licensed under the terms of the GNU General Public
 * License version 2. This program is licensed "as is" without any
 * warranty of any kind, whether express or implied.
 */

#include <linux/err.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include "pinctrl-spear3xx.h"

#define DRIVER_NAME "spear300-pinmux"

/* addresses */
#define PMX_CONFIG_REG			0x00
#define MODE_CONFIG_REG			0x04

/* modes */
#define NAND_MODE			(1 << 0)
#define NOR_MODE			(1 << 1)
#define PHOTO_FRAME_MODE		(1 << 2)
#define LEND_IP_PHONE_MODE		(1 << 3)
#define HEND_IP_PHONE_MODE		(1 << 4)
#define LEND_WIFI_PHONE_MODE		(1 << 5)
#define HEND_WIFI_PHONE_MODE		(1 << 6)
#define ATA_PABX_WI2S_MODE		(1 << 7)
#define ATA_PABX_I2S_MODE		(1 << 8)
#define CAML_LCDW_MODE			(1 << 9)
#define CAMU_LCD_MODE			(1 << 10)
#define CAMU_WLCD_MODE			(1 << 11)
#define CAML_LCD_MODE			(1 << 12)

static struct spear_pmx_mode pmx_mode_nand = {
	.name = "nand",
	.mode = NAND_MODE,
	.reg = MODE_CONFIG_REG,
	.mask = 0x0000000F,
	.val = 0x00,
};

static struct spear_pmx_mode pmx_mode_nor = {
	.name = "nor",
	.mode = NOR_MODE,
	.reg = MODE_CONFIG_REG,
	.mask = 0x0000000F,
	.val = 0x01,
};

static struct spear_pmx_mode pmx_mode_photo_frame = {
	.name = "photo frame mode",
	.mode = PHOTO_FRAME_MODE,
	.reg = MODE_CONFIG_REG,
	.mask = 0x0000000F,
	.val = 0x02,
};

static struct spear_pmx_mode pmx_mode_lend_ip_phone = {
	.name = "lend ip phone mode",
	.mode = LEND_IP_PHONE_MODE,
	.reg = MODE_CONFIG_REG,
	.mask = 0x0000000F,
	.val = 0x03,
};

static struct spear_pmx_mode pmx_mode_hend_ip_phone = {
	.name = "hend ip phone mode",
	.mode = HEND_IP_PHONE_MODE,
	.reg = MODE_CONFIG_REG,
	.mask = 0x0000000F,
	.val = 0x04,
};

static struct spear_pmx_mode pmx_mode_lend_wifi_phone = {
	.name = "lend wifi phone mode",
	.mode = LEND_WIFI_PHONE_MODE,
	.reg = MODE_CONFIG_REG,
	.mask = 0x0000000F,
	.val = 0x05,
};

static struct spear_pmx_mode pmx_mode_hend_wifi_phone = {
	.name = "hend wifi phone mode",
	.mode = HEND_WIFI_PHONE_MODE,
	.reg = MODE_CONFIG_REG,
	.mask = 0x0000000F,
	.val = 0x06,
};

static struct spear_pmx_mode pmx_mode_ata_pabx_wi2s = {
	.name = "ata pabx wi2s mode",
	.mode = ATA_PABX_WI2S_MODE,
	.reg = MODE_CONFIG_REG,
	.mask = 0x0000000F,
	.val = 0x07,
};

static struct spear_pmx_mode pmx_mode_ata_pabx_i2s = {
	.name = "ata pabx i2s mode",
	.mode = ATA_PABX_I2S_MODE,
	.reg = MODE_CONFIG_REG,
	.mask = 0x0000000F,
	.val = 0x08,
};

static struct spear_pmx_mode pmx_mode_caml_lcdw = {
	.name = "caml lcdw mode",
	.mode = CAML_LCDW_MODE,
	.reg = MODE_CONFIG_REG,
	.mask = 0x0000000F,
	.val = 0x0C,
};

static struct spear_pmx_mode pmx_mode_camu_lcd = {
	.name = "camu lcd mode",
	.mode = CAMU_LCD_MODE,
	.reg = MODE_CONFIG_REG,
	.mask = 0x0000000F,
	.val = 0x0D,
};

static struct spear_pmx_mode pmx_mode_camu_wlcd = {
	.name = "camu wlcd mode",
	.mode = CAMU_WLCD_MODE,
	.reg = MODE_CONFIG_REG,
	.mask = 0x0000000F,
	.val = 0xE,
};

static struct spear_pmx_mode pmx_mode_caml_lcd = {
	.name = "caml lcd mode",
	.mode = CAML_LCD_MODE,
	.reg = MODE_CONFIG_REG,
	.mask = 0x0000000F,
	.val = 0x0F,
};

static struct spear_pmx_mode *spear300_pmx_modes[] = {
	&pmx_mode_nand,
	&pmx_mode_nor,
	&pmx_mode_photo_frame,
	&pmx_mode_lend_ip_phone,
	&pmx_mode_hend_ip_phone,
	&pmx_mode_lend_wifi_phone,
	&pmx_mode_hend_wifi_phone,
	&pmx_mode_ata_pabx_wi2s,
	&pmx_mode_ata_pabx_i2s,
	&pmx_mode_caml_lcdw,
	&pmx_mode_camu_lcd,
	&pmx_mode_camu_wlcd,
	&pmx_mode_caml_lcd,
};

/* fsmc_2chips_pins */
static const unsigned fsmc_2chips_pins[] = { 1, 97 };
static struct spear_muxreg fsmc_2chips_muxreg[] = {
	{
		.reg = PMX_CONFIG_REG,
		.mask = PMX_FIRDA_MASK,
		.val = 0,
	},
};

static struct spear_modemux fsmc_2chips_modemux[] = {
	{
		.modes = NAND_MODE | NOR_MODE | PHOTO_FRAME_MODE |
			ATA_PABX_WI2S_MODE | ATA_PABX_I2S_MODE,
		.muxregs = fsmc_2chips_muxreg,
		.nmuxregs = ARRAY_SIZE(fsmc_2chips_muxreg),
	},
};

static struct spear_pingroup fsmc_2chips_pingroup = {
	.name = "fsmc_2chips_grp",
	.pins = fsmc_2chips_pins,
	.npins = ARRAY_SIZE(fsmc_2chips_pins),
	.modemuxs = fsmc_2chips_modemux,
	.nmodemuxs = ARRAY_SIZE(fsmc_2chips_modemux),
};

/* fsmc_4chips_pins */
static const unsigned fsmc_4chips_pins[] = { 1, 2, 3, 97 };
static struct spear_muxreg fsmc_4chips_muxreg[] = {
	{
		.reg = PMX_CONFIG_REG,
		.mask = PMX_FIRDA_MASK | PMX_UART0_MASK,
		.val = 0,
	},
};

static struct spear_modemux fsmc_4chips_modemux[] = {
	{
		.modes = NAND_MODE | NOR_MODE | PHOTO_FRAME_MODE |
			ATA_PABX_WI2S_MODE | ATA_PABX_I2S_MODE,
		.muxregs = fsmc_4chips_muxreg,
		.nmuxregs = ARRAY_SIZE(fsmc_4chips_muxreg),
	},
};

static struct spear_pingroup fsmc_4chips_pingroup = {
	.name = "fsmc_4chips_grp",
	.pins = fsmc_4chips_pins,
	.npins = ARRAY_SIZE(fsmc_4chips_pins),
	.modemuxs = fsmc_4chips_modemux,
	.nmodemuxs = ARRAY_SIZE(fsmc_4chips_modemux),
};

static const char *const fsmc_grps[] = { "fsmc_2chips_grp", "fsmc_4chips_grp"
};
static struct spear_function fsmc_function = {
	.name = "fsmc",
	.groups = fsmc_grps,
	.ngroups = ARRAY_SIZE(fsmc_grps),
};

/* clcd_lcdmode_pins */
static const unsigned clcd_lcdmode_pins[] = { 49, 50 };
static struct spear_muxreg clcd_lcdmode_muxreg[] = {
	{
		.reg = PMX_CONFIG_REG,
		.mask = PMX_TIMER_0_1_MASK | PMX_TIMER_2_3_MASK,
		.val = 0,
	},
};

static struct spear_modemux clcd_lcdmode_modemux[] = {
	{
		.modes = HEND_IP_PHONE_MODE | HEND_WIFI_PHONE_MODE |
			CAMU_LCD_MODE | CAML_LCD_MODE,
		.muxregs = clcd_lcdmode_muxreg,
		.nmuxregs = ARRAY_SIZE(clcd_lcdmode_muxreg),
	},
};

static struct spear_pingroup clcd_lcdmode_pingroup = {
	.name = "clcd_lcdmode_grp",
	.pins = clcd_lcdmode_pins,
	.npins = ARRAY_SIZE(clcd_lcdmode_pins),
	.modemuxs = clcd_lcdmode_modemux,
	.nmodemuxs = ARRAY_SIZE(clcd_lcdmode_modemux),
};

/* clcd_pfmode_pins */
static const unsigned clcd_pfmode_pins[] = { 47, 48, 49, 50 };
static struct spear_muxreg clcd_pfmode_muxreg[] = {
	{
		.reg = PMX_CONFIG_REG,
		.mask = PMX_TIMER_2_3_MASK,
		.val = 0,
	},
};

static struct spear_modemux clcd_pfmode_modemux[] = {
	{
		.modes = PHOTO_FRAME_MODE,
		.muxregs = clcd_pfmode_muxreg,
		.nmuxregs = ARRAY_SIZE(clcd_pfmode_muxreg),
	},
};

static struct spear_pingroup clcd_pfmode_pingroup = {
	.name = "clcd_pfmode_grp",
	.pins = clcd_pfmode_pins,
	.npins = ARRAY_SIZE(clcd_pfmode_pins),
	.modemuxs = clcd_pfmode_modemux,
	.nmodemuxs = ARRAY_SIZE(clcd_pfmode_modemux),
};

static const char *const clcd_grps[] = { "clcd_lcdmode_grp", "clcd_pfmode_grp"
};
static struct spear_function clcd_function = {
	.name = "clcd",
	.groups = clcd_grps,
	.ngroups = ARRAY_SIZE(clcd_grps),
};

/* tdm_pins */
static const unsigned tdm_pins[] = { 34, 35, 36, 37, 38 };
static struct spear_muxreg tdm_muxreg[] = {
	{
		.reg = PMX_CONFIG_REG,
		.mask = PMX_UART0_MODEM_MASK | PMX_SSP_CS_MASK,
		.val = 0,
	},
};

static struct spear_modemux tdm_modemux[] = {
	{
		.modes = PHOTO_FRAME_MODE | LEND_IP_PHONE_MODE |
			HEND_IP_PHONE_MODE | LEND_WIFI_PHONE_MODE
			| HEND_WIFI_PHONE_MODE | ATA_PABX_WI2S_MODE
			| ATA_PABX_I2S_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE
			| CAMU_WLCD_MODE | CAML_LCD_MODE,
		.muxregs = tdm_muxreg,
		.nmuxregs = ARRAY_SIZE(tdm_muxreg),
	},
};

static struct spear_pingroup tdm_pingroup = {
	.name = "tdm_grp",
	.pins = tdm_pins,
	.npins = ARRAY_SIZE(tdm_pins),
	.modemuxs = tdm_modemux,
	.nmodemuxs = ARRAY_SIZE(tdm_modemux),
};

static const char *const tdm_grps[] = { "tdm_grp" };
static struct spear_function tdm_function = {
	.name = "tdm",
	.groups = tdm_grps,
	.ngroups = ARRAY_SIZE(tdm_grps),
};

/* i2c_clk_pins */
static const unsigned i2c_clk_pins[] = { 45, 46, 47, 48 };
static struct spear_muxreg i2c_clk_muxreg[] = {
	{
		.reg = PMX_CONFIG_REG,
		.mask = PMX_TIMER_0_1_MASK | PMX_TIMER_2_3_MASK,
		.val = 0,
	},
};

static struct spear_modemux i2c_clk_modemux[] = {
	{
		.modes = LEND_IP_PHONE_MODE | HEND_IP_PHONE_MODE |
			LEND_WIFI_PHONE_MODE | HEND_WIFI_PHONE_MODE |
			ATA_PABX_WI2S_MODE | ATA_PABX_I2S_MODE | CAML_LCDW_MODE
			| CAML_LCD_MODE,
		.muxregs = i2c_clk_muxreg,
		.nmuxregs = ARRAY_SIZE(i2c_clk_muxreg),
	},
};

static struct spear_pingroup i2c_clk_pingroup = {
	.name = "i2c_clk_grp_grp",
	.pins = i2c_clk_pins,
	.npins = ARRAY_SIZE(i2c_clk_pins),
	.modemuxs = i2c_clk_modemux,
	.nmodemuxs = ARRAY_SIZE(i2c_clk_modemux),
};

static const char *const i2c_grps[] = { "i2c_clk_grp" };
static struct spear_function i2c_function = {
	.name = "i2c1",
	.groups = i2c_grps,
	.ngroups = ARRAY_SIZE(i2c_grps),
};

/* caml_pins */
static const unsigned caml_pins[] = { 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 };
static struct spear_muxreg caml_muxreg[] = {
	{
		.reg = PMX_CONFIG_REG,
		.mask = PMX_MII_MASK,
		.val = 0,
	},
};

static struct spear_modemux caml_modemux[] = {
	{
		.modes = CAML_LCDW_MODE | CAML_LCD_MODE,
		.muxregs = caml_muxreg,
		.nmuxregs = ARRAY_SIZE(caml_muxreg),
	},
};

static struct spear_pingroup caml_pingroup = {
	.name = "caml_grp",
	.pins = caml_pins,
	.npins = ARRAY_SIZE(caml_pins),
	.modemuxs = caml_modemux,
	.nmodemuxs = ARRAY_SIZE(caml_modemux),
};

/* camu_pins */
static const unsigned camu_pins[] = { 16, 17, 18, 19, 20, 21, 45, 46, 47, 48 };
static struct spear_muxreg camu_muxreg[] = {
	{
		.reg = PMX_CONFIG_REG,
		.mask = PMX_TIMER_0_1_MASK | PMX_TIMER_2_3_MASK | PMX_MII_MASK,
		.val = 0,
	},
};

static struct spear_modemux camu_modemux[] = {
	{
		.modes = CAMU_LCD_MODE | CAMU_WLCD_MODE,
		.muxregs = camu_muxreg,
		.nmuxregs = ARRAY_SIZE(camu_muxreg),
	},
};

static struct spear_pingroup camu_pingroup = {
	.name = "camu_grp",
	.pins = camu_pins,
	.npins = ARRAY_SIZE(camu_pins),
	.modemuxs = camu_modemux,
	.nmodemuxs = ARRAY_SIZE(camu_modemux),
};

static const char *const cam_grps[] = { "caml_grp", "camu_grp" };
static struct spear_function cam_function = {
	.name = "cam",
	.groups = cam_grps,
	.ngroups = ARRAY_SIZE(cam_grps),
};

/* dac_pins */
static const unsigned dac_pins[] = { 43, 44 };
static struct spear_muxreg dac_muxreg[] = {
	{
		.reg = PMX_CONFIG_REG,
		.mask = PMX_TIMER_0_1_MASK,
		.val = 0,
	},
};

static struct spear_modemux dac_modemux[] = {
	{
		.modes = ATA_PABX_I2S_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE
			| CAMU_WLCD_MODE | CAML_LCD_MODE,
		.muxregs = dac_muxreg,
		.nmuxregs = ARRAY_SIZE(dac_muxreg),
	},
};

static struct spear_pingroup dac_pingroup = {
	.name = "dac_grp",
	.pins = dac_pins,
	.npins = ARRAY_SIZE(dac_pins),
	.modemuxs = dac_modemux,
	.nmodemuxs = ARRAY_SIZE(dac_modemux),
};

static const char *const dac_grps[] = { "dac_grp" };
static struct spear_function dac_function = {
	.name = "dac",
	.groups = dac_grps,
	.ngroups = ARRAY_SIZE(dac_grps),
};

/* i2s_pins */
static const unsigned i2s_pins[] = { 39, 40, 41, 42 };
static struct spear_muxreg i2s_muxreg[] = {
	{
		.reg = PMX_CONFIG_REG,
		.mask = PMX_UART0_MODEM_MASK,
		.val = 0,
	},
};

static struct spear_modemux i2s_modemux[] = {
	{
		.modes = LEND_IP_PHONE_MODE | HEND_IP_PHONE_MODE
			| LEND_WIFI_PHONE_MODE | HEND_WIFI_PHONE_MODE |
			ATA_PABX_I2S_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE
			| CAMU_WLCD_MODE | CAML_LCD_MODE,
		.muxregs = i2s_muxreg,
		.nmuxregs = ARRAY_SIZE(i2s_muxreg),
	},
};

static struct spear_pingroup i2s_pingroup = {
	.name = "i2s_grp",
	.pins = i2s_pins,
	.npins = ARRAY_SIZE(i2s_pins),
	.modemuxs = i2s_modemux,
	.nmodemuxs = ARRAY_SIZE(i2s_modemux),
};

static const char *const i2s_grps[] = { "i2s_grp" };
static struct spear_function i2s_function = {
	.name = "i2s",
	.groups = i2s_grps,
	.ngroups = ARRAY_SIZE(i2s_grps),
};

/* sdhci_4bit_pins */
static const unsigned sdhci_4bit_pins[] = { 28, 29, 30, 31, 32, 33 };
static struct spear_muxreg sdhci_4bit_muxreg[] = {
	{
		.reg = PMX_CONFIG_REG,
		.mask = PMX_GPIO_PIN0_MASK | PMX_GPIO_PIN1_MASK |
			PMX_GPIO_PIN2_MASK | PMX_GPIO_PIN3_MASK |
			PMX_GPIO_PIN4_MASK | PMX_GPIO_PIN5_MASK,
		.val = 0,
	},
};

static struct spear_modemux sdhci_4bit_modemux[] = {
	{
		.modes = PHOTO_FRAME_MODE | LEND_IP_PHONE_MODE |
			HEND_IP_PHONE_MODE | LEND_WIFI_PHONE_MODE |
			HEND_WIFI_PHONE_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE |
			CAMU_WLCD_MODE | CAML_LCD_MODE | ATA_PABX_WI2S_MODE,
		.muxregs = sdhci_4bit_muxreg,
		.nmuxregs = ARRAY_SIZE(sdhci_4bit_muxreg),
	},
};

static struct spear_pingroup sdhci_4bit_pingroup = {
	.name = "sdhci_4bit_grp",
	.pins = sdhci_4bit_pins,
	.npins = ARRAY_SIZE(sdhci_4bit_pins),
	.modemuxs = sdhci_4bit_modemux,
	.nmodemuxs = ARRAY_SIZE(sdhci_4bit_modemux),
};

/* sdhci_8bit_pins */
static const unsigned sdhci_8bit_pins[] = { 24, 25, 26, 27, 28, 29, 30, 31, 32,
	33 };
static struct spear_muxreg sdhci_8bit_muxreg[] = {
	{
		.reg = PMX_CONFIG_REG,
		.mask = PMX_GPIO_PIN0_MASK | PMX_GPIO_PIN1_MASK |
			PMX_GPIO_PIN2_MASK | PMX_GPIO_PIN3_MASK |
			PMX_GPIO_PIN4_MASK | PMX_GPIO_PIN5_MASK | PMX_MII_MASK,
		.val = 0,
	},
};

static struct spear_modemux sdhci_8bit_modemux[] = {
	{
		.modes = PHOTO_FRAME_MODE | LEND_IP_PHONE_MODE |
			HEND_IP_PHONE_MODE | LEND_WIFI_PHONE_MODE |
			HEND_WIFI_PHONE_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE |
			CAMU_WLCD_MODE | CAML_LCD_MODE,
		.muxregs = sdhci_8bit_muxreg,
		.nmuxregs = ARRAY_SIZE(sdhci_8bit_muxreg),
	},
};

static struct spear_pingroup sdhci_8bit_pingroup = {
	.name = "sdhci_8bit_grp",
	.pins = sdhci_8bit_pins,
	.npins = ARRAY_SIZE(sdhci_8bit_pins),
	.modemuxs = sdhci_8bit_modemux,
	.nmodemuxs = ARRAY_SIZE(sdhci_8bit_modemux),
};

static const char *const sdhci_grps[] = { "sdhci_4bit_grp", "sdhci_8bit_grp" };
static struct spear_function sdhci_function = {
	.name = "sdhci",
	.groups = sdhci_grps,
	.ngroups = ARRAY_SIZE(sdhci_grps),
};

/* gpio1_0_to_3_pins */
static const unsigned gpio1_0_to_3_pins[] = { 39, 40, 41, 42 };
static struct spear_muxreg gpio1_0_to_3_muxreg[] = {
	{
		.reg = PMX_CONFIG_REG,
		.mask = PMX_UART0_MODEM_MASK,
		.val = 0,
	},
};

static struct spear_modemux gpio1_0_to_3_modemux[] = {
	{
		.modes = PHOTO_FRAME_MODE,
		.muxregs = gpio1_0_to_3_muxreg,
		.nmuxregs = ARRAY_SIZE(gpio1_0_to_3_muxreg),
	},
};

static struct spear_pingroup gpio1_0_to_3_pingroup = {
	.name = "gpio1_0_to_3_grp",
	.pins = gpio1_0_to_3_pins,
	.npins = ARRAY_SIZE(gpio1_0_to_3_pins),
	.modemuxs = gpio1_0_to_3_modemux,
	.nmodemuxs = ARRAY_SIZE(gpio1_0_to_3_modemux),
};

/* gpio1_4_to_7_pins */
static const unsigned gpio1_4_to_7_pins[] = { 43, 44, 45, 46 };

static struct spear_muxreg gpio1_4_to_7_muxreg[] = {
	{
		.reg = PMX_CONFIG_REG,
		.mask = PMX_TIMER_0_1_MASK | PMX_TIMER_2_3_MASK,
		.val = 0,
	},
};

static struct spear_modemux gpio1_4_to_7_modemux[] = {
	{
		.modes = PHOTO_FRAME_MODE,
		.muxregs = gpio1_4_to_7_muxreg,
		.nmuxregs = ARRAY_SIZE(gpio1_4_to_7_muxreg),
	},
};

static struct spear_pingroup gpio1_4_to_7_pingroup = {
	.name = "gpio1_4_to_7_grp",
	.pins = gpio1_4_to_7_pins,
	.npins = ARRAY_SIZE(gpio1_4_to_7_pins),
	.modemuxs = gpio1_4_to_7_modemux,
	.nmodemuxs = ARRAY_SIZE(gpio1_4_to_7_modemux),
};

static const char *const gpio1_grps[] = { "gpio1_0_to_3_grp", "gpio1_4_to_7_grp"
};
static struct spear_function gpio1_function = {
	.name = "gpio1",
	.groups = gpio1_grps,
	.ngroups = ARRAY_SIZE(gpio1_grps),
};

/* pingroups */
static struct spear_pingroup *spear300_pingroups[] = {
	SPEAR3XX_COMMON_PINGROUPS,
	&fsmc_2chips_pingroup,
	&fsmc_4chips_pingroup,
	&clcd_lcdmode_pingroup,
	&clcd_pfmode_pingroup,
	&tdm_pingroup,
	&i2c_clk_pingroup,
	&caml_pingroup,
	&camu_pingroup,
	&dac_pingroup,
	&i2s_pingroup,
	&sdhci_4bit_pingroup,
	&sdhci_8bit_pingroup,
	&gpio1_0_to_3_pingroup,
	&gpio1_4_to_7_pingroup,
};

/* functions */
static struct spear_function *spear300_functions[] = {
	SPEAR3XX_COMMON_FUNCTIONS,
	&fsmc_function,
	&clcd_function,
	&tdm_function,
	&i2c_function,
	&cam_function,
	&dac_function,
	&i2s_function,
	&sdhci_function,
	&gpio1_function,
};

static const struct of_device_id spear300_pinctrl_of_match[] = {
	{
		.compatible = "st,spear300-pinmux",
	},
	{},
};

static int spear300_pinctrl_probe(struct platform_device *pdev)
{
	int ret;

	spear3xx_machdata.groups = spear300_pingroups;
	spear3xx_machdata.ngroups = ARRAY_SIZE(spear300_pingroups);
	spear3xx_machdata.functions = spear300_functions;
	spear3xx_machdata.nfunctions = ARRAY_SIZE(spear300_functions);
	spear3xx_machdata.gpio_pingroups = NULL;
	spear3xx_machdata.ngpio_pingroups = 0;

	spear3xx_machdata.modes_supported = true;
	spear3xx_machdata.pmx_modes = spear300_pmx_modes;
	spear3xx_machdata.npmx_modes = ARRAY_SIZE(spear300_pmx_modes);

	pmx_init_addr(&spear3xx_machdata, PMX_CONFIG_REG);

	ret = spear_pinctrl_probe(pdev, &spear3xx_machdata);
	if (ret)
		return ret;

	return 0;
}

static int spear300_pinctrl_remove(struct platform_device *pdev)
{
	return spear_pinctrl_remove(pdev);
}

static struct platform_driver spear300_pinctrl_driver = {
	.driver = {
		.name = DRIVER_NAME,
		.owner = THIS_MODULE,
		.of_match_table = spear300_pinctrl_of_match,
	},
	.probe = spear300_pinctrl_probe,
	.remove = spear300_pinctrl_remove,
};

static int __init spear300_pinctrl_init(void)
{
	return platform_driver_register(&spear300_pinctrl_driver);
}
arch_initcall(spear300_pinctrl_init);

static void __exit spear300_pinctrl_exit(void)
{
	platform_driver_unregister(&spear300_pinctrl_driver);
}
module_exit(spear300_pinctrl_exit);

MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>");
MODULE_DESCRIPTION("ST Microelectronics SPEAr300 pinctrl driver");
MODULE_LICENSE("GPL v2");
MODULE_DEVICE_TABLE(of, spear300_pinctrl_of_match);