summaryrefslogtreecommitdiffstats
path: root/arch/arm/include/asm/arch-tegra124/pinmux.h
blob: 9662e2b8aa5373b670c94d3aaf4e1696463b8287 (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
/*
 * (C) Copyright 2013
 * NVIDIA Corporation <www.nvidia.com>
 *
 * SPDX-License-Identifier:     GPL-2.0+
 */

#ifndef _TEGRA124_PINMUX_H_
#define _TEGRA124_PINMUX_H_

/*
 * Pin groups which we adjust. There are three basic attributes of each pin
 * group which use this enum:
 *
 *	- function
 *	- pullup / pulldown
 *	- tristate or normal
 */
enum pmux_pingrp {
	PINGRP_ULPI_DATA0 = 0,  /* offset 0x3000 */
	PINGRP_ULPI_DATA1,
	PINGRP_ULPI_DATA2,
	PINGRP_ULPI_DATA3,
	PINGRP_ULPI_DATA4,
	PINGRP_ULPI_DATA5,
	PINGRP_ULPI_DATA6,
	PINGRP_ULPI_DATA7,
	PINGRP_ULPI_CLK,
	PINGRP_ULPI_DIR,
	PINGRP_ULPI_NXT,
	PINGRP_ULPI_STP,
	PINGRP_DAP3_FS,
	PINGRP_DAP3_DIN,
	PINGRP_DAP3_DOUT,
	PINGRP_DAP3_SCLK,
	PINGRP_GPIO_PV0,
	PINGRP_GPIO_PV1,
	PINGRP_SDMMC1_CLK,
	PINGRP_SDMMC1_CMD,
	PINGRP_SDMMC1_DAT3,
	PINGRP_SDMMC1_DAT2,
	PINGRP_SDMMC1_DAT1,
	PINGRP_SDMMC1_DAT0,
	PINGRP_CLK2_OUT = PINGRP_SDMMC1_DAT0 + 3,
	PINGRP_CLK2_REQ,
	PINGRP_HDMI_INT = PINGRP_CLK2_REQ + 41,
	PINGRP_DDC_SCL,
	PINGRP_DDC_SDA,
	PINGRP_UART2_RXD = PINGRP_DDC_SDA + 19,
	PINGRP_UART2_TXD,
	PINGRP_UART2_RTS_N,
	PINGRP_UART2_CTS_N,
	PINGRP_UART3_TXD,
	PINGRP_UART3_RXD,
	PINGRP_UART3_CTS_N,
	PINGRP_UART3_RTS_N,
	PINGRP_GPIO_PU0,
	PINGRP_GPIO_PU1,
	PINGRP_GPIO_PU2,
	PINGRP_GPIO_PU3,
	PINGRP_GPIO_PU4,
	PINGRP_GPIO_PU5,
	PINGRP_GPIO_PU6,
	PINGRP_GEN1_I2C_SDA,
	PINGRP_GEN1_I2C_SCL,
	PINGRP_DAP4_FS,
	PINGRP_DAP4_DIN,
	PINGRP_DAP4_DOUT,
	PINGRP_DAP4_SCLK,
	PINGRP_CLK3_OUT,
	PINGRP_CLK3_REQ,
	/* Renamed on Tegra124, from GMI_xx to GPIO_Pxx */
	PINGRP_GPIO_PC7,			/* offset 0x31c0 */
	PINGRP_GPIO_PI5,
	PINGRP_GPIO_PI7,
	PINGRP_GPIO_PK0,
	PINGRP_GPIO_PK1,
	PINGRP_GPIO_PJ0,
	PINGRP_GPIO_PJ2,
	PINGRP_GPIO_PK3,
	PINGRP_GPIO_PK4,
	PINGRP_GPIO_PK2,
	PINGRP_GPIO_PI3,
	PINGRP_GPIO_PI6,
	PINGRP_GPIO_PG0,
	PINGRP_GPIO_PG1,
	PINGRP_GPIO_PG2,
	PINGRP_GPIO_PG3,
	PINGRP_GPIO_PG4,
	PINGRP_GPIO_PG5,
	PINGRP_GPIO_PG6,
	PINGRP_GPIO_PG7,
	PINGRP_GPIO_PH0,
	PINGRP_GPIO_PH1,
	PINGRP_GPIO_PH2,
	PINGRP_GPIO_PH3,
	PINGRP_GPIO_PH4,
	PINGRP_GPIO_PH5,
	PINGRP_GPIO_PH6,
	PINGRP_GPIO_PH7,
	PINGRP_GPIO_PJ7,
	PINGRP_GPIO_PB0,
	PINGRP_GPIO_PB1,
	PINGRP_GPIO_PK7,
	PINGRP_GPIO_PI0,
	PINGRP_GPIO_PI1,
	PINGRP_GPIO_PI2,
	PINGRP_GPIO_PI4,			/* offset 0x324c */
	PINGRP_GEN2_I2C_SCL,
	PINGRP_GEN2_I2C_SDA,
	PINGRP_SDMMC4_CLK,
	PINGRP_SDMMC4_CMD,
	PINGRP_SDMMC4_DAT0,
	PINGRP_SDMMC4_DAT1,
	PINGRP_SDMMC4_DAT2,
	PINGRP_SDMMC4_DAT3,
	PINGRP_SDMMC4_DAT4,
	PINGRP_SDMMC4_DAT5,
	PINGRP_SDMMC4_DAT6,
	PINGRP_SDMMC4_DAT7,
	PINGRP_CAM_MCLK = PINGRP_SDMMC4_DAT7 + 2,
	PINGRP_GPIO_PCC1,
	PINGRP_GPIO_PBB0,
	PINGRP_CAM_I2C_SCL,
	PINGRP_CAM_I2C_SDA,
	PINGRP_GPIO_PBB3,
	PINGRP_GPIO_PBB4,
	PINGRP_GPIO_PBB5,
	PINGRP_GPIO_PBB6,
	PINGRP_GPIO_PBB7,
	PINGRP_GPIO_PCC2,
	PINGRP_JTAG_RTCK,
	PINGRP_PWR_I2C_SCL,
	PINGRP_PWR_I2C_SDA,
	PINGRP_KB_ROW0,
	PINGRP_KB_ROW1,
	PINGRP_KB_ROW2,
	PINGRP_KB_ROW3,
	PINGRP_KB_ROW4,
	PINGRP_KB_ROW5,
	PINGRP_KB_ROW6,
	PINGRP_KB_ROW7,
	PINGRP_KB_ROW8,
	PINGRP_KB_ROW9,
	PINGRP_KB_ROW10,
	PINGRP_KB_ROW11,
	PINGRP_KB_ROW12,
	PINGRP_KB_ROW13,
	PINGRP_KB_ROW14,
	PINGRP_KB_ROW15,
	PINGRP_KB_COL0,				/* offset 0x32fc */
	PINGRP_KB_COL1,
	PINGRP_KB_COL2,
	PINGRP_KB_COL3,
	PINGRP_KB_COL4,
	PINGRP_KB_COL5,
	PINGRP_KB_COL6,
	PINGRP_KB_COL7,
	PINGRP_CLK_32K_OUT,
	PINGRP_CORE_PWR_REQ = PINGRP_CLK_32K_OUT + 2,	/* offset 0x3324 */
	PINGRP_CPU_PWR_REQ,
	PINGRP_PWR_INT_N,
	PINGRP_CLK_32K_IN,
	PINGRP_OWR,
	PINGRP_DAP1_FS,
	PINGRP_DAP1_DIN,
	PINGRP_DAP1_DOUT,
	PINGRP_DAP1_SCLK,
	PINGRP_CLK1_REQ,
	PINGRP_CLK1_OUT,
	PINGRP_SPDIF_IN,
	PINGRP_SPDIF_OUT,
	PINGRP_DAP2_FS,
	PINGRP_DAP2_DIN,
	PINGRP_DAP2_DOUT,
	PINGRP_DAP2_SCLK,
	PINGRP_DVFS_PWM,
	PINGRP_GPIO_X1_AUD,
	PINGRP_GPIO_X3_AUD,
	PINGRP_DVFS_CLK,
	PINGRP_GPIO_X4_AUD,
	PINGRP_GPIO_X5_AUD,
	PINGRP_GPIO_X6_AUD,
	PINGRP_GPIO_X7_AUD,
	PINGRP_SDMMC3_CLK = PINGRP_GPIO_X7_AUD + 3,
	PINGRP_SDMMC3_CMD,
	PINGRP_SDMMC3_DAT0,
	PINGRP_SDMMC3_DAT1,
	PINGRP_SDMMC3_DAT2,
	PINGRP_SDMMC3_DAT3,
	PINGRP_PEX_L0_RST = PINGRP_SDMMC3_DAT3 + 6, /* offset 0x33bc */
	PINGRP_PEX_L0_CLKREQ,
	PINGRP_PEX_WAKE,
	PINGRP_PEX_L1_RST = PINGRP_PEX_WAKE + 2,
	PINGRP_PEX_L1_CLKREQ,
	PINGRP_HDMI_CEC = PINGRP_PEX_L1_CLKREQ + 4, /* offset 0x33e0 */
	PINGRP_SDMMC1_WP_N,
	PINGRP_SDMMC3_CD_N,
	PINGRP_GPIO_W2_AUD,
	PINGRP_GPIO_W3_AUD,
	PINGRP_USB_VBUS_EN0,
	PINGRP_USB_VBUS_EN1,
	PINGRP_SDMMC3_CLK_LB_IN,
	PINGRP_SDMMC3_CLK_LB_OUT,
	PINGRP_GMI_CLK_LB,
	PINGRP_RESET_OUT_N,
	PINGRP_KB_ROW16,			/* offset 0x340c */
	PINGRP_KB_ROW17,
	PINGRP_USB_VBUS_EN2,
	PINGRP_GPIO_PFF2,
	PINGRP_DP_HPD,				/* last reg offset = 0x3430 */
	PINGRP_COUNT,
};

enum pdrive_pingrp {
	PDRIVE_PINGROUP_AO1 = 0, /* offset 0x868 */
	PDRIVE_PINGROUP_AO2,
	PDRIVE_PINGROUP_AT1,
	PDRIVE_PINGROUP_AT2,
	PDRIVE_PINGROUP_AT3,
	PDRIVE_PINGROUP_AT4,
	PDRIVE_PINGROUP_AT5,
	PDRIVE_PINGROUP_CDEV1,
	PDRIVE_PINGROUP_CDEV2,
	PDRIVE_PINGROUP_DAP1 = 10,	/* offset 0x890 */
	PDRIVE_PINGROUP_DAP2,
	PDRIVE_PINGROUP_DAP3,
	PDRIVE_PINGROUP_DAP4,
	PDRIVE_PINGROUP_DBG,
	PDRIVE_PINGROUP_SDIO3 = 18,	/* offset 0x8B0 */
	PDRIVE_PINGROUP_SPI,
	PDRIVE_PINGROUP_UAA,
	PDRIVE_PINGROUP_UAB,
	PDRIVE_PINGROUP_UART2,
	PDRIVE_PINGROUP_UART3,
	PDRIVE_PINGROUP_SDIO1 = 33,     /* offset 0x8EC */
	PDRIVE_PINGROUP_DDC = 37,       /* offset 0x8FC */
	PDRIVE_PINGROUP_GMA,
	PDRIVE_PINGROUP_GME = 42,	/* offset 0x910 */
	PDRIVE_PINGROUP_GMF,
	PDRIVE_PINGROUP_GMG,
	PDRIVE_PINGROUP_GMH,
	PDRIVE_PINGROUP_OWR,
	PDRIVE_PINGROUP_UAD,
	PDRIVE_PINGROUP_DEV3 = 49,      /* offset 0x92c */
	PDRIVE_PINGROUP_CEC = 52,       /* offset 0x938 */
	PDRIVE_PINGROUP_AT6 = 75,	/* offset 0x994 */
	PDRIVE_PINGROUP_DAP5,
	PDRIVE_PINGROUP_VBUS,
	PDRIVE_PINGROUP_AO3,
	PDRIVE_PINGROUP_HVC,
	PDRIVE_PINGROUP_SDIO4,
	PDRIVE_PINGROUP_AO0,
	PDRIVE_PINGROUP_COUNT,
};

/*
 * Functions which can be assigned to each of the pin groups. The values here
 * bear no relation to the values programmed into pinmux registers and are
 * purely a convenience. The translation is done through a table search.
 */
enum pmux_func {
	PMUX_FUNC_AHB_CLK,
	PMUX_FUNC_APB_CLK,
	PMUX_FUNC_AUDIO_SYNC,
	PMUX_FUNC_CRT,
	PMUX_FUNC_DAP1,
	PMUX_FUNC_DAP2,
	PMUX_FUNC_DAP3,
	PMUX_FUNC_DAP4,
	PMUX_FUNC_DAP5,
	PMUX_FUNC_DISPA,
	PMUX_FUNC_DISPB,
	PMUX_FUNC_EMC_TEST0_DLL,
	PMUX_FUNC_EMC_TEST1_DLL,
	PMUX_FUNC_GMI,
	PMUX_FUNC_GMI_INT,
	PMUX_FUNC_HDMI,
	PMUX_FUNC_I2C1,
	PMUX_FUNC_I2C2,
	PMUX_FUNC_I2C3,
	PMUX_FUNC_IDE,
	PMUX_FUNC_KBC,
	PMUX_FUNC_MIO,
	PMUX_FUNC_MIPI_HS,
	PMUX_FUNC_NAND,
	PMUX_FUNC_OSC,
	PMUX_FUNC_OWR,
	PMUX_FUNC_PCIE,
	PMUX_FUNC_PLLA_OUT,
	PMUX_FUNC_PLLC_OUT1,
	PMUX_FUNC_PLLM_OUT1,
	PMUX_FUNC_PLLP_OUT2,
	PMUX_FUNC_PLLP_OUT3,
	PMUX_FUNC_PLLP_OUT4,
	PMUX_FUNC_PWM,
	PMUX_FUNC_PWR_INTR,
	PMUX_FUNC_PWR_ON,
	PMUX_FUNC_RTCK,
	PMUX_FUNC_SDMMC1,
	PMUX_FUNC_SDMMC2,
	PMUX_FUNC_SDMMC3,
	PMUX_FUNC_SDMMC4,
	PMUX_FUNC_SFLASH,
	PMUX_FUNC_SPDIF,
	PMUX_FUNC_SPI1,
	PMUX_FUNC_SPI2,
	PMUX_FUNC_SPI2_ALT,
	PMUX_FUNC_SPI3,
	PMUX_FUNC_SPI4,
	PMUX_FUNC_TRACE,
	PMUX_FUNC_TWC,
	PMUX_FUNC_UARTA,
	PMUX_FUNC_UARTB,
	PMUX_FUNC_UARTC,
	PMUX_FUNC_UARTD,
	PMUX_FUNC_UARTE,
	PMUX_FUNC_ULPI,
	PMUX_FUNC_VI,
	PMUX_FUNC_VI_SENSOR_CLK,
	PMUX_FUNC_XIO,
	/* End of Tegra2 MUX selectors */
	PMUX_FUNC_BLINK,
	PMUX_FUNC_CEC,
	PMUX_FUNC_CLK12,
	PMUX_FUNC_DAP,
	PMUX_FUNC_DAPSDMMC2,
	PMUX_FUNC_DDR,
	PMUX_FUNC_DEV3,
	PMUX_FUNC_DTV,
	PMUX_FUNC_VI_ALT1,
	PMUX_FUNC_VI_ALT2,
	PMUX_FUNC_VI_ALT3,
	PMUX_FUNC_EMC_DLL,
	PMUX_FUNC_EXTPERIPH1,
	PMUX_FUNC_EXTPERIPH2,
	PMUX_FUNC_EXTPERIPH3,
	PMUX_FUNC_GMI_ALT,
	PMUX_FUNC_HDA,
	PMUX_FUNC_HSI,
	PMUX_FUNC_I2C4,
	PMUX_FUNC_I2C5,
	PMUX_FUNC_I2CPWR,
	PMUX_FUNC_I2S0,
	PMUX_FUNC_I2S1,
	PMUX_FUNC_I2S2,
	PMUX_FUNC_I2S3,
	PMUX_FUNC_I2S4,
	PMUX_FUNC_NAND_ALT,
	PMUX_FUNC_POPSDIO4,
	PMUX_FUNC_POPSDMMC4,
	PMUX_FUNC_PWM0,
	PMUX_FUNC_PWM1,
	PMUX_FUNC_PWM2,
	PMUX_FUNC_PWM3,
	PMUX_FUNC_SATA,
	PMUX_FUNC_SPI5,
	PMUX_FUNC_SPI6,
	PMUX_FUNC_SYSCLK,
	PMUX_FUNC_VGP1,
	PMUX_FUNC_VGP2,
	PMUX_FUNC_VGP3,
	PMUX_FUNC_VGP4,
	PMUX_FUNC_VGP5,
	PMUX_FUNC_VGP6,
	/* End of Tegra3 MUX selectors */
	PMUX_FUNC_USB,
	PMUX_FUNC_SOC,
	PMUX_FUNC_CPU,
	PMUX_FUNC_CLK,
	PMUX_FUNC_PWRON,
	PMUX_FUNC_PMI,
	PMUX_FUNC_CLDVFS,
	PMUX_FUNC_RESET_OUT_N,
	/* End of Tegra114 MUX selectors */

	PMUX_FUNC_SAFE,
	PMUX_FUNC_MAX,

	PMUX_FUNC_INVALID = 0x4000,
	PMUX_FUNC_RSVD1 = 0x8000,
	PMUX_FUNC_RSVD2 = 0x8001,
	PMUX_FUNC_RSVD3 = 0x8002,
	PMUX_FUNC_RSVD4 = 0x8003,
};

/* return 1 if a pmux_func is in range */
#define pmux_func_isvalid(func) \
	((((func) >= 0) && ((func) < PMUX_FUNC_MAX)) || \
	(((func) >= PMUX_FUNC_RSVD1) && ((func) <= PMUX_FUNC_RSVD4)))

/* return 1 if a pingrp is in range */
#define pmux_pingrp_isvalid(pin) (((pin) >= 0) && ((pin) < PINGRP_COUNT))

/* The pullup/pulldown state of a pin group */
enum pmux_pull {
	PMUX_PULL_NORMAL = 0,
	PMUX_PULL_DOWN,
	PMUX_PULL_UP,
};
/* return 1 if a pin_pupd_is in range */
#define pmux_pin_pupd_isvalid(pupd) (((pupd) >= PMUX_PULL_NORMAL) && \
				((pupd) <= PMUX_PULL_UP))

/* Defines whether a pin group is tristated or in normal operation */
enum pmux_tristate {
	PMUX_TRI_NORMAL = 0,
	PMUX_TRI_TRISTATE = 1,
};
/* return 1 if a pin_tristate_is in range */
#define pmux_pin_tristate_isvalid(tristate) \
	(((tristate) >= PMUX_TRI_NORMAL) && \
	((tristate) <= PMUX_TRI_TRISTATE))

enum pmux_pin_io {
	PMUX_PIN_OUTPUT = 0,
	PMUX_PIN_INPUT = 1,
	PMUX_PIN_NONE,
};
/* return 1 if a pin_io_is in range */
#define pmux_pin_io_isvalid(io) (((io) >= PMUX_PIN_OUTPUT) && \
				((io) <= PMUX_PIN_INPUT))

enum pmux_pin_lock {
	PMUX_PIN_LOCK_DEFAULT = 0,
	PMUX_PIN_LOCK_DISABLE,
	PMUX_PIN_LOCK_ENABLE,
};
/* return 1 if a pin_lock is in range */
#define pmux_pin_lock_isvalid(lock) (((lock) >= PMUX_PIN_LOCK_DEFAULT) && \
				((lock) <= PMUX_PIN_LOCK_ENABLE))

enum pmux_pin_od {
	PMUX_PIN_OD_DEFAULT = 0,
	PMUX_PIN_OD_DISABLE,
	PMUX_PIN_OD_ENABLE,
};
/* return 1 if a pin_od is in range */
#define pmux_pin_od_isvalid(od) (((od) >= PMUX_PIN_OD_DEFAULT) && \
				((od) <= PMUX_PIN_OD_ENABLE))

enum pmux_pin_ioreset {
	PMUX_PIN_IO_RESET_DEFAULT = 0,
	PMUX_PIN_IO_RESET_DISABLE,
	PMUX_PIN_IO_RESET_ENABLE,
};
/* return 1 if a pin_ioreset_is in range */
#define pmux_pin_ioreset_isvalid(ioreset) \
				(((ioreset) >= PMUX_PIN_IO_RESET_DEFAULT) && \
				((ioreset) <= PMUX_PIN_IO_RESET_ENABLE))

enum pmux_pin_rcv_sel {
	PMUX_PIN_RCV_SEL_DEFAULT = 0,
	PMUX_PIN_RCV_SEL_NORMAL,
	PMUX_PIN_RCV_SEL_HIGH,
};
/* return 1 if a pin_rcv_sel_is in range */
#define pmux_pin_rcv_sel_isvalid(rcv_sel) \
				(((rcv_sel) >= PMUX_PIN_RCV_SEL_DEFAULT) && \
				((rcv_sel) <= PMUX_PIN_RCV_SEL_HIGH))

/* Available power domains used by pin groups */
enum pmux_vddio {
	PMUX_VDDIO_BB = 0,
	PMUX_VDDIO_LCD,
	PMUX_VDDIO_VI,
	PMUX_VDDIO_UART,
	PMUX_VDDIO_DDR,
	PMUX_VDDIO_NAND,
	PMUX_VDDIO_SYS,
	PMUX_VDDIO_AUDIO,
	PMUX_VDDIO_SD,
	PMUX_VDDIO_CAM,
	PMUX_VDDIO_GMI,
	PMUX_VDDIO_PEXCTL,
	PMUX_VDDIO_SDMMC1,
	PMUX_VDDIO_SDMMC3,
	PMUX_VDDIO_SDMMC4,

	PMUX_VDDIO_NONE
};

#define PGRP_SLWF_NONE	-1
#define PGRP_SLWF_MAX	3
#define PGRP_SLWR_NONE	PGRP_SLWF_NONE
#define PGRP_SLWR_MAX	PGRP_SLWF_MAX

#define PGRP_DRVUP_NONE	-1
#define PGRP_DRVUP_MAX	127
#define PGRP_DRVDN_NONE	PGRP_DRVUP_NONE
#define PGRP_DRVDN_MAX	PGRP_DRVUP_MAX

#define PGRP_SCHMT_NONE	-1
#define PGRP_HSM_NONE	PGRP_SCHMT_NONE

/* return 1 if a padgrp is in range */
#define pmux_padgrp_isvalid(pd) (((pd) >= 0) && ((pd) < PDRIVE_PINGROUP_COUNT))

/* return 1 if a slew-rate rising/falling edge value is in range */
#define pmux_pad_slw_isvalid(slw) (((slw) == PGRP_SLWF_NONE) || \
				(((slw) >= 0) && ((slw) <= PGRP_SLWF_MAX)))

/* return 1 if a driver output pull-up/down strength code value is in range */
#define pmux_pad_drv_isvalid(drv) (((drv) == PGRP_DRVUP_NONE) || \
				(((drv) >= 0) && ((drv) <= PGRP_DRVUP_MAX)))

/* return 1 if a low-power mode value is in range */
#define pmux_pad_lpmd_isvalid(lpm) (((lpm) == PGRP_LPMD_NONE) || \
				(((lpm) >= 0) && ((lpm) <= PGRP_LPMD_X)))

/* Defines a pin group cfg's low-power mode select */
enum pgrp_lpmd {
	PGRP_LPMD_X8 = 0,
	PGRP_LPMD_X4,
	PGRP_LPMD_X2,
	PGRP_LPMD_X,
	PGRP_LPMD_NONE = -1,
};

/* Defines whether a pin group cfg's schmidt is enabled or not */
enum pgrp_schmt {
	PGRP_SCHMT_DISABLE = 0,
	PGRP_SCHMT_ENABLE = 1,
};

/* Defines whether a pin group cfg's high-speed mode is enabled or not */
enum pgrp_hsm {
	PGRP_HSM_DISABLE = 0,
	PGRP_HSM_ENABLE = 1,
};

/*
 * This defines the configuration for a pin group's pad control config
 */
struct padctrl_config {
	enum pdrive_pingrp padgrp;	/* pin group PDRIVE_PINGRP_x */
	int slwf;			/* falling edge slew         */
	int slwr;			/* rising edge slew          */
	int drvup;			/* pull-up drive strength    */
	int drvdn;			/* pull-down drive strength  */
	enum pgrp_lpmd lpmd;		/* low-power mode selection  */
	enum pgrp_schmt schmt;		/* schmidt enable            */
	enum pgrp_hsm hsm;		/* high-speed mode enable    */
};

/* Tegra124 pin drive group and pin mux registers */
#define PDRIVE_PINGROUP_OFFSET	(0x868 >> 2)
#define PMUX_OFFSET	((0x3000 >> 2) - PDRIVE_PINGROUP_OFFSET - \
				PDRIVE_PINGROUP_COUNT)
struct pmux_tri_ctlr {
	uint pmt_reserved0[9];		/* ABP_MISC_PP_ offsets 00-20 */
	uint pmt_cfg_ctl;		/* _CONFIG_CTL_0, offset 24        */

	uint pmt_reserved[528];		/* ABP_MISC_PP_ reserved offs 28-864 */

	uint pmt_drive[PDRIVE_PINGROUP_COUNT];	/* pin drive grps offs 868 */
	uint pmt_reserved5[PMUX_OFFSET];
	uint pmt_ctl[PINGRP_COUNT];	/* mux/pupd/tri regs, offset 0x3000 */
};

/*
 * This defines the configuration for a pin, including the function assigned,
 * pull up/down settings and tristate settings. Having set up one of these
 * you can call pinmux_config_pingroup() to configure a pin in one step. Also
 * available is pinmux_config_table() to configure a list of pins.
 */
struct pingroup_config {
	enum pmux_pingrp pingroup;	/* pin group PINGRP_...             */
	enum pmux_func func;		/* function to assign FUNC_...      */
	enum pmux_pull pull;		/* pull up/down/normal PMUX_PULL_...*/
	enum pmux_tristate tristate;	/* tristate or normal PMUX_TRI_...  */
	enum pmux_pin_io io;		/* input or output PMUX_PIN_...  */
	enum pmux_pin_lock lock;	/* lock enable/disable PMUX_PIN...  */
	enum pmux_pin_od od;		/* open-drain or push-pull driver  */
	enum pmux_pin_ioreset ioreset;	/* input/output reset PMUX_PIN...  */
	enum pmux_pin_rcv_sel rcv_sel;	/* select between High and Normal  */
					/* VIL/VIH receivers */
};

/* Set a pin group to tristate */
void pinmux_tristate_enable(enum pmux_pingrp pin);

/* Set a pin group to normal (non tristate) */
void pinmux_tristate_disable(enum pmux_pingrp pin);

/* Set the pull up/down feature for a pin group */
void pinmux_set_pullupdown(enum pmux_pingrp pin, enum pmux_pull pupd);

/* Set the mux function for a pin group */
void pinmux_set_func(enum pmux_pingrp pin, enum pmux_func func);

/* Set the complete configuration for a pin group */
void pinmux_config_pingroup(struct pingroup_config *config);

/* Set a pin group to tristate or normal */
void pinmux_set_tristate(enum pmux_pingrp pin, int enable);

/* Set a pin group as input or output */
void pinmux_set_io(enum pmux_pingrp pin, enum pmux_pin_io io);

/**
 * Configure a list of pin groups
 *
 * @param config	List of config items
 * @param len		Number of config items in list
 */
void pinmux_config_table(struct pingroup_config *config, int len);

/* Set a group of pins from a table */
void pinmux_init(void);

/**
 * Set the GP pad configs
 *
 * @param config	List of config items
 * @param len		Number of config items in list
 */
void padgrp_config_table(struct padctrl_config *config, int len);

#endif	/* _TEGRA124_PINMUX_H_ */
OpenPOWER on IntegriCloud