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
|
/*
* Driver header file for the ST Microelectronics SPEAr 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.
*/
#ifndef __PINMUX_SPEAR_H__
#define __PINMUX_SPEAR_H__
#include <linux/gpio.h>
#include <linux/io.h>
#include <linux/pinctrl/pinctrl.h>
#include <linux/types.h>
struct platform_device;
struct device;
struct spear_pmx;
/**
* struct spear_pmx_mode - SPEAr pmx mode
* @name: name of pmx mode
* @mode: mode id
* @reg: register for configuring this mode
* @mask: mask of this mode in reg
* @val: val to be configured at reg after doing (val & mask)
*/
struct spear_pmx_mode {
const char *const name;
u16 mode;
u16 reg;
u16 mask;
u32 val;
};
/**
* struct spear_muxreg - SPEAr mux reg configuration
* @reg: register offset
* @mask: mask bits
* @val: val to be written on mask bits
*/
struct spear_muxreg {
u16 reg;
u32 mask;
u32 val;
};
struct spear_gpio_pingroup {
const unsigned *pins;
unsigned npins;
struct spear_muxreg *muxregs;
u8 nmuxregs;
};
/* ste: set to enable */
#define DEFINE_MUXREG(__pins, __muxreg, __mask, __ste) \
static struct spear_muxreg __pins##_muxregs[] = { \
{ \
.reg = __muxreg, \
.mask = __mask, \
.val = __ste ? __mask : 0, \
}, \
}
#define DEFINE_2_MUXREG(__pins, __muxreg1, __muxreg2, __mask, __ste1, __ste2) \
static struct spear_muxreg __pins##_muxregs[] = { \
{ \
.reg = __muxreg1, \
.mask = __mask, \
.val = __ste1 ? __mask : 0, \
}, { \
.reg = __muxreg2, \
.mask = __mask, \
.val = __ste2 ? __mask : 0, \
}, \
}
#define GPIO_PINGROUP(__pins) \
{ \
.pins = __pins, \
.npins = ARRAY_SIZE(__pins), \
.muxregs = __pins##_muxregs, \
.nmuxregs = ARRAY_SIZE(__pins##_muxregs), \
}
/**
* struct spear_modemux - SPEAr mode mux configuration
* @modes: mode ids supported by this group of muxregs
* @nmuxregs: number of muxreg configurations to be done for modes
* @muxregs: array of muxreg configurations to be done for modes
*/
struct spear_modemux {
u16 modes;
u8 nmuxregs;
struct spear_muxreg *muxregs;
};
/**
* struct spear_pingroup - SPEAr pin group configurations
* @name: name of pin group
* @pins: array containing pin numbers
* @npins: size of pins array
* @modemuxs: array of modemux configurations for this pin group
* @nmodemuxs: size of array modemuxs
*
* A representation of a group of pins in the SPEAr pin controller. Each group
* allows some parameter or parameters to be configured.
*/
struct spear_pingroup {
const char *name;
const unsigned *pins;
unsigned npins;
struct spear_modemux *modemuxs;
unsigned nmodemuxs;
};
/**
* struct spear_function - SPEAr pinctrl mux function
* @name: The name of the function, exported to pinctrl core.
* @groups: An array of pin groups that may select this function.
* @ngroups: The number of entries in @groups.
*/
struct spear_function {
const char *name;
const char *const *groups;
unsigned ngroups;
};
/**
* struct spear_pinctrl_machdata - SPEAr pin controller machine driver
* configuration
* @pins: An array describing all pins the pin controller affects.
* All pins which are also GPIOs must be listed first within the *array,
* and be numbered identically to the GPIO controller's *numbering.
* @npins: The numbmer of entries in @pins.
* @functions: An array describing all mux functions the SoC supports.
* @nfunctions: The numbmer of entries in @functions.
* @groups: An array describing all pin groups the pin SoC supports.
* @ngroups: The numbmer of entries in @groups.
* @gpio_pingroups: gpio pingroups
* @ngpio_pingroups: gpio pingroups count
*
* @modes_supported: Does SoC support modes
* @mode: mode configured from probe
* @pmx_modes: array of modes supported by SoC
* @npmx_modes: number of entries in pmx_modes.
*/
struct spear_pinctrl_machdata {
const struct pinctrl_pin_desc *pins;
unsigned npins;
struct spear_function **functions;
unsigned nfunctions;
struct spear_pingroup **groups;
unsigned ngroups;
struct spear_gpio_pingroup *gpio_pingroups;
void (*gpio_request_endisable)(struct spear_pmx *pmx, int offset,
bool enable);
unsigned ngpio_pingroups;
bool modes_supported;
u16 mode;
struct spear_pmx_mode **pmx_modes;
unsigned npmx_modes;
};
/**
* struct spear_pmx - SPEAr pinctrl mux
* @dev: pointer to struct dev of platform_device registered
* @pctl: pointer to struct pinctrl_dev
* @machdata: pointer to SoC or machine specific structure
* @vbase: virtual base address of pinmux controller
*/
struct spear_pmx {
struct device *dev;
struct pinctrl_dev *pctl;
struct spear_pinctrl_machdata *machdata;
void __iomem *vbase;
};
/* exported routines */
static inline u32 pmx_readl(struct spear_pmx *pmx, u32 reg)
{
return readl_relaxed(pmx->vbase + reg);
}
static inline void pmx_writel(struct spear_pmx *pmx, u32 val, u32 reg)
{
writel_relaxed(val, pmx->vbase + reg);
}
void pmx_init_addr(struct spear_pinctrl_machdata *machdata, u16 reg);
void pmx_init_gpio_pingroup_addr(struct spear_gpio_pingroup *gpio_pingroup,
unsigned count, u16 reg);
int spear_pinctrl_probe(struct platform_device *pdev,
struct spear_pinctrl_machdata *machdata);
int spear_pinctrl_remove(struct platform_device *pdev);
#define SPEAR_PIN_0_TO_101 \
PINCTRL_PIN(0, "PLGPIO0"), \
PINCTRL_PIN(1, "PLGPIO1"), \
PINCTRL_PIN(2, "PLGPIO2"), \
PINCTRL_PIN(3, "PLGPIO3"), \
PINCTRL_PIN(4, "PLGPIO4"), \
PINCTRL_PIN(5, "PLGPIO5"), \
PINCTRL_PIN(6, "PLGPIO6"), \
PINCTRL_PIN(7, "PLGPIO7"), \
PINCTRL_PIN(8, "PLGPIO8"), \
PINCTRL_PIN(9, "PLGPIO9"), \
PINCTRL_PIN(10, "PLGPIO10"), \
PINCTRL_PIN(11, "PLGPIO11"), \
PINCTRL_PIN(12, "PLGPIO12"), \
PINCTRL_PIN(13, "PLGPIO13"), \
PINCTRL_PIN(14, "PLGPIO14"), \
PINCTRL_PIN(15, "PLGPIO15"), \
PINCTRL_PIN(16, "PLGPIO16"), \
PINCTRL_PIN(17, "PLGPIO17"), \
PINCTRL_PIN(18, "PLGPIO18"), \
PINCTRL_PIN(19, "PLGPIO19"), \
PINCTRL_PIN(20, "PLGPIO20"), \
PINCTRL_PIN(21, "PLGPIO21"), \
PINCTRL_PIN(22, "PLGPIO22"), \
PINCTRL_PIN(23, "PLGPIO23"), \
PINCTRL_PIN(24, "PLGPIO24"), \
PINCTRL_PIN(25, "PLGPIO25"), \
PINCTRL_PIN(26, "PLGPIO26"), \
PINCTRL_PIN(27, "PLGPIO27"), \
PINCTRL_PIN(28, "PLGPIO28"), \
PINCTRL_PIN(29, "PLGPIO29"), \
PINCTRL_PIN(30, "PLGPIO30"), \
PINCTRL_PIN(31, "PLGPIO31"), \
PINCTRL_PIN(32, "PLGPIO32"), \
PINCTRL_PIN(33, "PLGPIO33"), \
PINCTRL_PIN(34, "PLGPIO34"), \
PINCTRL_PIN(35, "PLGPIO35"), \
PINCTRL_PIN(36, "PLGPIO36"), \
PINCTRL_PIN(37, "PLGPIO37"), \
PINCTRL_PIN(38, "PLGPIO38"), \
PINCTRL_PIN(39, "PLGPIO39"), \
PINCTRL_PIN(40, "PLGPIO40"), \
PINCTRL_PIN(41, "PLGPIO41"), \
PINCTRL_PIN(42, "PLGPIO42"), \
PINCTRL_PIN(43, "PLGPIO43"), \
PINCTRL_PIN(44, "PLGPIO44"), \
PINCTRL_PIN(45, "PLGPIO45"), \
PINCTRL_PIN(46, "PLGPIO46"), \
PINCTRL_PIN(47, "PLGPIO47"), \
PINCTRL_PIN(48, "PLGPIO48"), \
PINCTRL_PIN(49, "PLGPIO49"), \
PINCTRL_PIN(50, "PLGPIO50"), \
PINCTRL_PIN(51, "PLGPIO51"), \
PINCTRL_PIN(52, "PLGPIO52"), \
PINCTRL_PIN(53, "PLGPIO53"), \
PINCTRL_PIN(54, "PLGPIO54"), \
PINCTRL_PIN(55, "PLGPIO55"), \
PINCTRL_PIN(56, "PLGPIO56"), \
PINCTRL_PIN(57, "PLGPIO57"), \
PINCTRL_PIN(58, "PLGPIO58"), \
PINCTRL_PIN(59, "PLGPIO59"), \
PINCTRL_PIN(60, "PLGPIO60"), \
PINCTRL_PIN(61, "PLGPIO61"), \
PINCTRL_PIN(62, "PLGPIO62"), \
PINCTRL_PIN(63, "PLGPIO63"), \
PINCTRL_PIN(64, "PLGPIO64"), \
PINCTRL_PIN(65, "PLGPIO65"), \
PINCTRL_PIN(66, "PLGPIO66"), \
PINCTRL_PIN(67, "PLGPIO67"), \
PINCTRL_PIN(68, "PLGPIO68"), \
PINCTRL_PIN(69, "PLGPIO69"), \
PINCTRL_PIN(70, "PLGPIO70"), \
PINCTRL_PIN(71, "PLGPIO71"), \
PINCTRL_PIN(72, "PLGPIO72"), \
PINCTRL_PIN(73, "PLGPIO73"), \
PINCTRL_PIN(74, "PLGPIO74"), \
PINCTRL_PIN(75, "PLGPIO75"), \
PINCTRL_PIN(76, "PLGPIO76"), \
PINCTRL_PIN(77, "PLGPIO77"), \
PINCTRL_PIN(78, "PLGPIO78"), \
PINCTRL_PIN(79, "PLGPIO79"), \
PINCTRL_PIN(80, "PLGPIO80"), \
PINCTRL_PIN(81, "PLGPIO81"), \
PINCTRL_PIN(82, "PLGPIO82"), \
PINCTRL_PIN(83, "PLGPIO83"), \
PINCTRL_PIN(84, "PLGPIO84"), \
PINCTRL_PIN(85, "PLGPIO85"), \
PINCTRL_PIN(86, "PLGPIO86"), \
PINCTRL_PIN(87, "PLGPIO87"), \
PINCTRL_PIN(88, "PLGPIO88"), \
PINCTRL_PIN(89, "PLGPIO89"), \
PINCTRL_PIN(90, "PLGPIO90"), \
PINCTRL_PIN(91, "PLGPIO91"), \
PINCTRL_PIN(92, "PLGPIO92"), \
PINCTRL_PIN(93, "PLGPIO93"), \
PINCTRL_PIN(94, "PLGPIO94"), \
PINCTRL_PIN(95, "PLGPIO95"), \
PINCTRL_PIN(96, "PLGPIO96"), \
PINCTRL_PIN(97, "PLGPIO97"), \
PINCTRL_PIN(98, "PLGPIO98"), \
PINCTRL_PIN(99, "PLGPIO99"), \
PINCTRL_PIN(100, "PLGPIO100"), \
PINCTRL_PIN(101, "PLGPIO101")
#define SPEAR_PIN_102_TO_245 \
PINCTRL_PIN(102, "PLGPIO102"), \
PINCTRL_PIN(103, "PLGPIO103"), \
PINCTRL_PIN(104, "PLGPIO104"), \
PINCTRL_PIN(105, "PLGPIO105"), \
PINCTRL_PIN(106, "PLGPIO106"), \
PINCTRL_PIN(107, "PLGPIO107"), \
PINCTRL_PIN(108, "PLGPIO108"), \
PINCTRL_PIN(109, "PLGPIO109"), \
PINCTRL_PIN(110, "PLGPIO110"), \
PINCTRL_PIN(111, "PLGPIO111"), \
PINCTRL_PIN(112, "PLGPIO112"), \
PINCTRL_PIN(113, "PLGPIO113"), \
PINCTRL_PIN(114, "PLGPIO114"), \
PINCTRL_PIN(115, "PLGPIO115"), \
PINCTRL_PIN(116, "PLGPIO116"), \
PINCTRL_PIN(117, "PLGPIO117"), \
PINCTRL_PIN(118, "PLGPIO118"), \
PINCTRL_PIN(119, "PLGPIO119"), \
PINCTRL_PIN(120, "PLGPIO120"), \
PINCTRL_PIN(121, "PLGPIO121"), \
PINCTRL_PIN(122, "PLGPIO122"), \
PINCTRL_PIN(123, "PLGPIO123"), \
PINCTRL_PIN(124, "PLGPIO124"), \
PINCTRL_PIN(125, "PLGPIO125"), \
PINCTRL_PIN(126, "PLGPIO126"), \
PINCTRL_PIN(127, "PLGPIO127"), \
PINCTRL_PIN(128, "PLGPIO128"), \
PINCTRL_PIN(129, "PLGPIO129"), \
PINCTRL_PIN(130, "PLGPIO130"), \
PINCTRL_PIN(131, "PLGPIO131"), \
PINCTRL_PIN(132, "PLGPIO132"), \
PINCTRL_PIN(133, "PLGPIO133"), \
PINCTRL_PIN(134, "PLGPIO134"), \
PINCTRL_PIN(135, "PLGPIO135"), \
PINCTRL_PIN(136, "PLGPIO136"), \
PINCTRL_PIN(137, "PLGPIO137"), \
PINCTRL_PIN(138, "PLGPIO138"), \
PINCTRL_PIN(139, "PLGPIO139"), \
PINCTRL_PIN(140, "PLGPIO140"), \
PINCTRL_PIN(141, "PLGPIO141"), \
PINCTRL_PIN(142, "PLGPIO142"), \
PINCTRL_PIN(143, "PLGPIO143"), \
PINCTRL_PIN(144, "PLGPIO144"), \
PINCTRL_PIN(145, "PLGPIO145"), \
PINCTRL_PIN(146, "PLGPIO146"), \
PINCTRL_PIN(147, "PLGPIO147"), \
PINCTRL_PIN(148, "PLGPIO148"), \
PINCTRL_PIN(149, "PLGPIO149"), \
PINCTRL_PIN(150, "PLGPIO150"), \
PINCTRL_PIN(151, "PLGPIO151"), \
PINCTRL_PIN(152, "PLGPIO152"), \
PINCTRL_PIN(153, "PLGPIO153"), \
PINCTRL_PIN(154, "PLGPIO154"), \
PINCTRL_PIN(155, "PLGPIO155"), \
PINCTRL_PIN(156, "PLGPIO156"), \
PINCTRL_PIN(157, "PLGPIO157"), \
PINCTRL_PIN(158, "PLGPIO158"), \
PINCTRL_PIN(159, "PLGPIO159"), \
PINCTRL_PIN(160, "PLGPIO160"), \
PINCTRL_PIN(161, "PLGPIO161"), \
PINCTRL_PIN(162, "PLGPIO162"), \
PINCTRL_PIN(163, "PLGPIO163"), \
PINCTRL_PIN(164, "PLGPIO164"), \
PINCTRL_PIN(165, "PLGPIO165"), \
PINCTRL_PIN(166, "PLGPIO166"), \
PINCTRL_PIN(167, "PLGPIO167"), \
PINCTRL_PIN(168, "PLGPIO168"), \
PINCTRL_PIN(169, "PLGPIO169"), \
PINCTRL_PIN(170, "PLGPIO170"), \
PINCTRL_PIN(171, "PLGPIO171"), \
PINCTRL_PIN(172, "PLGPIO172"), \
PINCTRL_PIN(173, "PLGPIO173"), \
PINCTRL_PIN(174, "PLGPIO174"), \
PINCTRL_PIN(175, "PLGPIO175"), \
PINCTRL_PIN(176, "PLGPIO176"), \
PINCTRL_PIN(177, "PLGPIO177"), \
PINCTRL_PIN(178, "PLGPIO178"), \
PINCTRL_PIN(179, "PLGPIO179"), \
PINCTRL_PIN(180, "PLGPIO180"), \
PINCTRL_PIN(181, "PLGPIO181"), \
PINCTRL_PIN(182, "PLGPIO182"), \
PINCTRL_PIN(183, "PLGPIO183"), \
PINCTRL_PIN(184, "PLGPIO184"), \
PINCTRL_PIN(185, "PLGPIO185"), \
PINCTRL_PIN(186, "PLGPIO186"), \
PINCTRL_PIN(187, "PLGPIO187"), \
PINCTRL_PIN(188, "PLGPIO188"), \
PINCTRL_PIN(189, "PLGPIO189"), \
PINCTRL_PIN(190, "PLGPIO190"), \
PINCTRL_PIN(191, "PLGPIO191"), \
PINCTRL_PIN(192, "PLGPIO192"), \
PINCTRL_PIN(193, "PLGPIO193"), \
PINCTRL_PIN(194, "PLGPIO194"), \
PINCTRL_PIN(195, "PLGPIO195"), \
PINCTRL_PIN(196, "PLGPIO196"), \
PINCTRL_PIN(197, "PLGPIO197"), \
PINCTRL_PIN(198, "PLGPIO198"), \
PINCTRL_PIN(199, "PLGPIO199"), \
PINCTRL_PIN(200, "PLGPIO200"), \
PINCTRL_PIN(201, "PLGPIO201"), \
PINCTRL_PIN(202, "PLGPIO202"), \
PINCTRL_PIN(203, "PLGPIO203"), \
PINCTRL_PIN(204, "PLGPIO204"), \
PINCTRL_PIN(205, "PLGPIO205"), \
PINCTRL_PIN(206, "PLGPIO206"), \
PINCTRL_PIN(207, "PLGPIO207"), \
PINCTRL_PIN(208, "PLGPIO208"), \
PINCTRL_PIN(209, "PLGPIO209"), \
PINCTRL_PIN(210, "PLGPIO210"), \
PINCTRL_PIN(211, "PLGPIO211"), \
PINCTRL_PIN(212, "PLGPIO212"), \
PINCTRL_PIN(213, "PLGPIO213"), \
PINCTRL_PIN(214, "PLGPIO214"), \
PINCTRL_PIN(215, "PLGPIO215"), \
PINCTRL_PIN(216, "PLGPIO216"), \
PINCTRL_PIN(217, "PLGPIO217"), \
PINCTRL_PIN(218, "PLGPIO218"), \
PINCTRL_PIN(219, "PLGPIO219"), \
PINCTRL_PIN(220, "PLGPIO220"), \
PINCTRL_PIN(221, "PLGPIO221"), \
PINCTRL_PIN(222, "PLGPIO222"), \
PINCTRL_PIN(223, "PLGPIO223"), \
PINCTRL_PIN(224, "PLGPIO224"), \
PINCTRL_PIN(225, "PLGPIO225"), \
PINCTRL_PIN(226, "PLGPIO226"), \
PINCTRL_PIN(227, "PLGPIO227"), \
PINCTRL_PIN(228, "PLGPIO228"), \
PINCTRL_PIN(229, "PLGPIO229"), \
PINCTRL_PIN(230, "PLGPIO230"), \
PINCTRL_PIN(231, "PLGPIO231"), \
PINCTRL_PIN(232, "PLGPIO232"), \
PINCTRL_PIN(233, "PLGPIO233"), \
PINCTRL_PIN(234, "PLGPIO234"), \
PINCTRL_PIN(235, "PLGPIO235"), \
PINCTRL_PIN(236, "PLGPIO236"), \
PINCTRL_PIN(237, "PLGPIO237"), \
PINCTRL_PIN(238, "PLGPIO238"), \
PINCTRL_PIN(239, "PLGPIO239"), \
PINCTRL_PIN(240, "PLGPIO240"), \
PINCTRL_PIN(241, "PLGPIO241"), \
PINCTRL_PIN(242, "PLGPIO242"), \
PINCTRL_PIN(243, "PLGPIO243"), \
PINCTRL_PIN(244, "PLGPIO244"), \
PINCTRL_PIN(245, "PLGPIO245")
#endif /* __PINMUX_SPEAR_H__ */
|
