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
|
// SPDX-License-Identifier: GPL-2.0
/*
* Core functions for TI TPS6594/TPS6593/LP8764 PMICs
*
* Copyright (C) 2023 BayLibre Incorporated - https://www.baylibre.com/
*/
#include <linux/completion.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/mfd/core.h>
#include <linux/mfd/tps6594.h>
#define TPS6594_CRC_SYNC_TIMEOUT_MS 150
/* Completion to synchronize CRC feature enabling on all PMICs */
static DECLARE_COMPLETION(tps6594_crc_comp);
static const struct resource tps6594_regulator_resources[] = {
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK1_OV, TPS6594_IRQ_NAME_BUCK1_OV),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK1_UV, TPS6594_IRQ_NAME_BUCK1_UV),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK1_SC, TPS6594_IRQ_NAME_BUCK1_SC),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK1_ILIM, TPS6594_IRQ_NAME_BUCK1_ILIM),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK2_OV, TPS6594_IRQ_NAME_BUCK2_OV),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK2_UV, TPS6594_IRQ_NAME_BUCK2_UV),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK2_SC, TPS6594_IRQ_NAME_BUCK2_SC),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK2_ILIM, TPS6594_IRQ_NAME_BUCK2_ILIM),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK3_OV, TPS6594_IRQ_NAME_BUCK3_OV),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK3_UV, TPS6594_IRQ_NAME_BUCK3_UV),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK3_SC, TPS6594_IRQ_NAME_BUCK3_SC),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK3_ILIM, TPS6594_IRQ_NAME_BUCK3_ILIM),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK4_OV, TPS6594_IRQ_NAME_BUCK4_OV),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK4_UV, TPS6594_IRQ_NAME_BUCK4_UV),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK4_SC, TPS6594_IRQ_NAME_BUCK4_SC),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK4_ILIM, TPS6594_IRQ_NAME_BUCK4_ILIM),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK5_OV, TPS6594_IRQ_NAME_BUCK5_OV),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK5_UV, TPS6594_IRQ_NAME_BUCK5_UV),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK5_SC, TPS6594_IRQ_NAME_BUCK5_SC),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BUCK5_ILIM, TPS6594_IRQ_NAME_BUCK5_ILIM),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_LDO1_OV, TPS6594_IRQ_NAME_LDO1_OV),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_LDO1_UV, TPS6594_IRQ_NAME_LDO1_UV),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_LDO1_SC, TPS6594_IRQ_NAME_LDO1_SC),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_LDO1_ILIM, TPS6594_IRQ_NAME_LDO1_ILIM),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_LDO2_OV, TPS6594_IRQ_NAME_LDO2_OV),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_LDO2_UV, TPS6594_IRQ_NAME_LDO2_UV),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_LDO2_SC, TPS6594_IRQ_NAME_LDO2_SC),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_LDO2_ILIM, TPS6594_IRQ_NAME_LDO2_ILIM),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_LDO3_OV, TPS6594_IRQ_NAME_LDO3_OV),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_LDO3_UV, TPS6594_IRQ_NAME_LDO3_UV),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_LDO3_SC, TPS6594_IRQ_NAME_LDO3_SC),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_LDO3_ILIM, TPS6594_IRQ_NAME_LDO3_ILIM),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_LDO4_OV, TPS6594_IRQ_NAME_LDO4_OV),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_LDO4_UV, TPS6594_IRQ_NAME_LDO4_UV),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_LDO4_SC, TPS6594_IRQ_NAME_LDO4_SC),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_LDO4_ILIM, TPS6594_IRQ_NAME_LDO4_ILIM),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_VCCA_OV, TPS6594_IRQ_NAME_VCCA_OV),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_VCCA_UV, TPS6594_IRQ_NAME_VCCA_UV),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_VMON1_OV, TPS6594_IRQ_NAME_VMON1_OV),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_VMON1_UV, TPS6594_IRQ_NAME_VMON1_UV),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_VMON1_RV, TPS6594_IRQ_NAME_VMON1_RV),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_VMON2_OV, TPS6594_IRQ_NAME_VMON2_OV),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_VMON2_UV, TPS6594_IRQ_NAME_VMON2_UV),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_VMON2_RV, TPS6594_IRQ_NAME_VMON2_RV),
};
static const struct resource tps6594_pinctrl_resources[] = {
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_GPIO9, TPS6594_IRQ_NAME_GPIO9),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_GPIO10, TPS6594_IRQ_NAME_GPIO10),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_GPIO11, TPS6594_IRQ_NAME_GPIO11),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_GPIO1, TPS6594_IRQ_NAME_GPIO1),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_GPIO2, TPS6594_IRQ_NAME_GPIO2),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_GPIO3, TPS6594_IRQ_NAME_GPIO3),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_GPIO4, TPS6594_IRQ_NAME_GPIO4),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_GPIO5, TPS6594_IRQ_NAME_GPIO5),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_GPIO6, TPS6594_IRQ_NAME_GPIO6),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_GPIO7, TPS6594_IRQ_NAME_GPIO7),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_GPIO8, TPS6594_IRQ_NAME_GPIO8),
};
static const struct resource tps6594_pfsm_resources[] = {
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_NPWRON_START, TPS6594_IRQ_NAME_NPWRON_START),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_ENABLE, TPS6594_IRQ_NAME_ENABLE),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_FSD, TPS6594_IRQ_NAME_FSD),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_SOFT_REBOOT, TPS6594_IRQ_NAME_SOFT_REBOOT),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BIST_PASS, TPS6594_IRQ_NAME_BIST_PASS),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_EXT_CLK, TPS6594_IRQ_NAME_EXT_CLK),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_TWARN, TPS6594_IRQ_NAME_TWARN),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_TSD_ORD, TPS6594_IRQ_NAME_TSD_ORD),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_BIST_FAIL, TPS6594_IRQ_NAME_BIST_FAIL),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_REG_CRC_ERR, TPS6594_IRQ_NAME_REG_CRC_ERR),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_RECOV_CNT, TPS6594_IRQ_NAME_RECOV_CNT),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_SPMI_ERR, TPS6594_IRQ_NAME_SPMI_ERR),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_NPWRON_LONG, TPS6594_IRQ_NAME_NPWRON_LONG),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_NINT_READBACK, TPS6594_IRQ_NAME_NINT_READBACK),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_NRSTOUT_READBACK, TPS6594_IRQ_NAME_NRSTOUT_READBACK),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_TSD_IMM, TPS6594_IRQ_NAME_TSD_IMM),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_VCCA_OVP, TPS6594_IRQ_NAME_VCCA_OVP),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_PFSM_ERR, TPS6594_IRQ_NAME_PFSM_ERR),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_IMM_SHUTDOWN, TPS6594_IRQ_NAME_IMM_SHUTDOWN),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_ORD_SHUTDOWN, TPS6594_IRQ_NAME_ORD_SHUTDOWN),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_MCU_PWR_ERR, TPS6594_IRQ_NAME_MCU_PWR_ERR),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_SOC_PWR_ERR, TPS6594_IRQ_NAME_SOC_PWR_ERR),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_COMM_FRM_ERR, TPS6594_IRQ_NAME_COMM_FRM_ERR),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_COMM_CRC_ERR, TPS6594_IRQ_NAME_COMM_CRC_ERR),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_COMM_ADR_ERR, TPS6594_IRQ_NAME_COMM_ADR_ERR),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_EN_DRV_READBACK, TPS6594_IRQ_NAME_EN_DRV_READBACK),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_NRSTOUT_SOC_READBACK,
TPS6594_IRQ_NAME_NRSTOUT_SOC_READBACK),
};
static const struct resource tps6594_esm_resources[] = {
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_ESM_SOC_PIN, TPS6594_IRQ_NAME_ESM_SOC_PIN),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_ESM_SOC_FAIL, TPS6594_IRQ_NAME_ESM_SOC_FAIL),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_ESM_SOC_RST, TPS6594_IRQ_NAME_ESM_SOC_RST),
};
static const struct resource tps6594_rtc_resources[] = {
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_TIMER, TPS6594_IRQ_NAME_TIMER),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_ALARM, TPS6594_IRQ_NAME_ALARM),
DEFINE_RES_IRQ_NAMED(TPS6594_IRQ_POWER_UP, TPS6594_IRQ_NAME_POWERUP),
};
static const struct mfd_cell tps6594_common_cells[] = {
MFD_CELL_RES("tps6594-regulator", tps6594_regulator_resources),
MFD_CELL_RES("tps6594-pinctrl", tps6594_pinctrl_resources),
MFD_CELL_RES("tps6594-pfsm", tps6594_pfsm_resources),
MFD_CELL_RES("tps6594-esm", tps6594_esm_resources),
};
static const struct mfd_cell tps6594_rtc_cells[] = {
MFD_CELL_RES("tps6594-rtc", tps6594_rtc_resources),
};
static const struct regmap_irq tps6594_irqs[] = {
/* INT_BUCK1_2 register */
REGMAP_IRQ_REG(TPS6594_IRQ_BUCK1_OV, 0, TPS6594_BIT_BUCKX_OV_INT(0)),
REGMAP_IRQ_REG(TPS6594_IRQ_BUCK1_UV, 0, TPS6594_BIT_BUCKX_UV_INT(0)),
REGMAP_IRQ_REG(TPS6594_IRQ_BUCK1_SC, 0, TPS6594_BIT_BUCKX_SC_INT(0)),
REGMAP_IRQ_REG(TPS6594_IRQ_BUCK1_ILIM, 0, TPS6594_BIT_BUCKX_ILIM_INT(0)),
REGMAP_IRQ_REG(TPS6594_IRQ_BUCK2_OV, 0, TPS6594_BIT_BUCKX_OV_INT(1)),
REGMAP_IRQ_REG(TPS6594_IRQ_BUCK2_UV, 0, TPS6594_BIT_BUCKX_UV_INT(1)),
REGMAP_IRQ_REG(TPS6594_IRQ_BUCK2_SC, 0, TPS6594_BIT_BUCKX_SC_INT(1)),
REGMAP_IRQ_REG(TPS6594_IRQ_BUCK2_ILIM, 0, TPS6594_BIT_BUCKX_ILIM_INT(1)),
/* INT_BUCK3_4 register */
REGMAP_IRQ_REG(TPS6594_IRQ_BUCK3_OV, 1, TPS6594_BIT_BUCKX_OV_INT(2)),
REGMAP_IRQ_REG(TPS6594_IRQ_BUCK3_UV, 1, TPS6594_BIT_BUCKX_UV_INT(2)),
REGMAP_IRQ_REG(TPS6594_IRQ_BUCK3_SC, 1, TPS6594_BIT_BUCKX_SC_INT(2)),
REGMAP_IRQ_REG(TPS6594_IRQ_BUCK3_ILIM, 1, TPS6594_BIT_BUCKX_ILIM_INT(2)),
REGMAP_IRQ_REG(TPS6594_IRQ_BUCK4_OV, 1, TPS6594_BIT_BUCKX_OV_INT(3)),
REGMAP_IRQ_REG(TPS6594_IRQ_BUCK4_UV, 1, TPS6594_BIT_BUCKX_UV_INT(3)),
REGMAP_IRQ_REG(TPS6594_IRQ_BUCK4_SC, 1, TPS6594_BIT_BUCKX_SC_INT(3)),
REGMAP_IRQ_REG(TPS6594_IRQ_BUCK4_ILIM, 1, TPS6594_BIT_BUCKX_ILIM_INT(3)),
/* INT_BUCK5 register */
REGMAP_IRQ_REG(TPS6594_IRQ_BUCK5_OV, 2, TPS6594_BIT_BUCKX_OV_INT(4)),
REGMAP_IRQ_REG(TPS6594_IRQ_BUCK5_UV, 2, TPS6594_BIT_BUCKX_UV_INT(4)),
REGMAP_IRQ_REG(TPS6594_IRQ_BUCK5_SC, 2, TPS6594_BIT_BUCKX_SC_INT(4)),
REGMAP_IRQ_REG(TPS6594_IRQ_BUCK5_ILIM, 2, TPS6594_BIT_BUCKX_ILIM_INT(4)),
/* INT_LDO1_2 register */
REGMAP_IRQ_REG(TPS6594_IRQ_LDO1_OV, 3, TPS6594_BIT_LDOX_OV_INT(0)),
REGMAP_IRQ_REG(TPS6594_IRQ_LDO1_UV, 3, TPS6594_BIT_LDOX_UV_INT(0)),
REGMAP_IRQ_REG(TPS6594_IRQ_LDO1_SC, 3, TPS6594_BIT_LDOX_SC_INT(0)),
REGMAP_IRQ_REG(TPS6594_IRQ_LDO1_ILIM, 3, TPS6594_BIT_LDOX_ILIM_INT(0)),
REGMAP_IRQ_REG(TPS6594_IRQ_LDO2_OV, 3, TPS6594_BIT_LDOX_OV_INT(1)),
REGMAP_IRQ_REG(TPS6594_IRQ_LDO2_UV, 3, TPS6594_BIT_LDOX_UV_INT(1)),
REGMAP_IRQ_REG(TPS6594_IRQ_LDO2_SC, 3, TPS6594_BIT_LDOX_SC_INT(1)),
REGMAP_IRQ_REG(TPS6594_IRQ_LDO2_ILIM, 3, TPS6594_BIT_LDOX_ILIM_INT(1)),
/* INT_LDO3_4 register */
REGMAP_IRQ_REG(TPS6594_IRQ_LDO3_OV, 4, TPS6594_BIT_LDOX_OV_INT(2)),
REGMAP_IRQ_REG(TPS6594_IRQ_LDO3_UV, 4, TPS6594_BIT_LDOX_UV_INT(2)),
REGMAP_IRQ_REG(TPS6594_IRQ_LDO3_SC, 4, TPS6594_BIT_LDOX_SC_INT(2)),
REGMAP_IRQ_REG(TPS6594_IRQ_LDO3_ILIM, 4, TPS6594_BIT_LDOX_ILIM_INT(2)),
REGMAP_IRQ_REG(TPS6594_IRQ_LDO4_OV, 4, TPS6594_BIT_LDOX_OV_INT(3)),
REGMAP_IRQ_REG(TPS6594_IRQ_LDO4_UV, 4, TPS6594_BIT_LDOX_UV_INT(3)),
REGMAP_IRQ_REG(TPS6594_IRQ_LDO4_SC, 4, TPS6594_BIT_LDOX_SC_INT(3)),
REGMAP_IRQ_REG(TPS6594_IRQ_LDO4_ILIM, 4, TPS6594_BIT_LDOX_ILIM_INT(3)),
/* INT_VMON register */
REGMAP_IRQ_REG(TPS6594_IRQ_VCCA_OV, 5, TPS6594_BIT_VCCA_OV_INT),
REGMAP_IRQ_REG(TPS6594_IRQ_VCCA_UV, 5, TPS6594_BIT_VCCA_UV_INT),
REGMAP_IRQ_REG(TPS6594_IRQ_VMON1_OV, 5, TPS6594_BIT_VMON1_OV_INT),
REGMAP_IRQ_REG(TPS6594_IRQ_VMON1_UV, 5, TPS6594_BIT_VMON1_UV_INT),
REGMAP_IRQ_REG(TPS6594_IRQ_VMON1_RV, 5, TPS6594_BIT_VMON1_RV_INT),
REGMAP_IRQ_REG(TPS6594_IRQ_VMON2_OV, 5, TPS6594_BIT_VMON2_OV_INT),
REGMAP_IRQ_REG(TPS6594_IRQ_VMON2_UV, 5, TPS6594_BIT_VMON2_UV_INT),
REGMAP_IRQ_REG(TPS6594_IRQ_VMON2_RV, 5, TPS6594_BIT_VMON2_RV_INT),
/* INT_GPIO register */
REGMAP_IRQ_REG(TPS6594_IRQ_GPIO9, 6, TPS6594_BIT_GPIO9_INT),
REGMAP_IRQ_REG(TPS6594_IRQ_GPIO10, 6, TPS6594_BIT_GPIO10_INT),
REGMAP_IRQ_REG(TPS6594_IRQ_GPIO11, 6, TPS6594_BIT_GPIO11_INT),
/* INT_GPIO1_8 register */
REGMAP_IRQ_REG(TPS6594_IRQ_GPIO1, 7, TPS6594_BIT_GPIOX_INT(0)),
REGMAP_IRQ_REG(TPS6594_IRQ_GPIO2, 7, TPS6594_BIT_GPIOX_INT(1)),
REGMAP_IRQ_REG(TPS6594_IRQ_GPIO3, 7, TPS6594_BIT_GPIOX_INT(2)),
REGMAP_IRQ_REG(TPS6594_IRQ_GPIO4, 7, TPS6594_BIT_GPIOX_INT(3)),
REGMAP_IRQ_REG(TPS6594_IRQ_GPIO5, 7, TPS6594_BIT_GPIOX_INT(4)),
REGMAP_IRQ_REG(TPS6594_IRQ_GPIO6, 7, TPS6594_BIT_GPIOX_INT(5)),
REGMAP_IRQ_REG(TPS6594_IRQ_GPIO7, 7, TPS6594_BIT_GPIOX_INT(6)),
REGMAP_IRQ_REG(TPS6594_IRQ_GPIO8, 7, TPS6594_BIT_GPIOX_INT(7)),
/* INT_STARTUP register */
REGMAP_IRQ_REG(TPS6594_IRQ_NPWRON_START, 8, TPS6594_BIT_NPWRON_START_INT),
REGMAP_IRQ_REG(TPS6594_IRQ_ENABLE, 8, TPS6594_BIT_ENABLE_INT),
REGMAP_IRQ_REG(TPS6594_IRQ_FSD, 8, TPS6594_BIT_FSD_INT),
REGMAP_IRQ_REG(TPS6594_IRQ_SOFT_REBOOT, 8, TPS6594_BIT_SOFT_REBOOT_INT),
/* INT_MISC register */
REGMAP_IRQ_REG(TPS6594_IRQ_BIST_PASS, 9, TPS6594_BIT_BIST_PASS_INT),
REGMAP_IRQ_REG(TPS6594_IRQ_EXT_CLK, 9, TPS6594_BIT_EXT_CLK_INT),
REGMAP_IRQ_REG(TPS6594_IRQ_TWARN, 9, TPS6594_BIT_TWARN_INT),
/* INT_MODERATE_ERR register */
REGMAP_IRQ_REG(TPS6594_IRQ_TSD_ORD, 10, TPS6594_BIT_TSD_ORD_INT),
REGMAP_IRQ_REG(TPS6594_IRQ_BIST_FAIL, 10, TPS6594_BIT_BIST_FAIL_INT),
REGMAP_IRQ_REG(TPS6594_IRQ_REG_CRC_ERR, 10, TPS6594_BIT_REG_CRC_ERR_INT),
REGMAP_IRQ_REG(TPS6594_IRQ_RECOV_CNT, 10, TPS6594_BIT_RECOV_CNT_INT),
REGMAP_IRQ_REG(TPS6594_IRQ_SPMI_ERR, 10, TPS6594_BIT_SPMI_ERR_INT),
REGMAP_IRQ_REG(TPS6594_IRQ_NPWRON_LONG, 10, TPS6594_BIT_NPWRON_LONG_INT),
REGMAP_IRQ_REG(TPS6594_IRQ_NINT_READBACK, 10, TPS6594_BIT_NINT_READBACK_INT),
REGMAP_IRQ_REG(TPS6594_IRQ_NRSTOUT_READBACK, 10, TPS6594_BIT_NRSTOUT_READBACK_INT),
/* INT_SEVERE_ERR register */
REGMAP_IRQ_REG(TPS6594_IRQ_TSD_IMM, 11, TPS6594_BIT_TSD_IMM_INT),
REGMAP_IRQ_REG(TPS6594_IRQ_VCCA_OVP, 11, TPS6594_BIT_VCCA_OVP_INT),
REGMAP_IRQ_REG(TPS6594_IRQ_PFSM_ERR, 11, TPS6594_BIT_PFSM_ERR_INT),
/* INT_FSM_ERR register */
REGMAP_IRQ_REG(TPS6594_IRQ_IMM_SHUTDOWN, 12, TPS6594_BIT_IMM_SHUTDOWN_INT),
REGMAP_IRQ_REG(TPS6594_IRQ_ORD_SHUTDOWN, 12, TPS6594_BIT_ORD_SHUTDOWN_INT),
REGMAP_IRQ_REG(TPS6594_IRQ_MCU_PWR_ERR, 12, TPS6594_BIT_MCU_PWR_ERR_INT),
REGMAP_IRQ_REG(TPS6594_IRQ_SOC_PWR_ERR, 12, TPS6594_BIT_SOC_PWR_ERR_INT),
/* INT_COMM_ERR register */
REGMAP_IRQ_REG(TPS6594_IRQ_COMM_FRM_ERR, 13, TPS6594_BIT_COMM_FRM_ERR_INT),
REGMAP_IRQ_REG(TPS6594_IRQ_COMM_CRC_ERR, 13, TPS6594_BIT_COMM_CRC_ERR_INT),
REGMAP_IRQ_REG(TPS6594_IRQ_COMM_ADR_ERR, 13, TPS6594_BIT_COMM_ADR_ERR_INT),
/* INT_READBACK_ERR register */
REGMAP_IRQ_REG(TPS6594_IRQ_EN_DRV_READBACK, 14, TPS6594_BIT_EN_DRV_READBACK_INT),
REGMAP_IRQ_REG(TPS6594_IRQ_NRSTOUT_SOC_READBACK, 14, TPS6594_BIT_NRSTOUT_SOC_READBACK_INT),
/* INT_ESM register */
REGMAP_IRQ_REG(TPS6594_IRQ_ESM_SOC_PIN, 15, TPS6594_BIT_ESM_SOC_PIN_INT),
REGMAP_IRQ_REG(TPS6594_IRQ_ESM_SOC_FAIL, 15, TPS6594_BIT_ESM_SOC_FAIL_INT),
REGMAP_IRQ_REG(TPS6594_IRQ_ESM_SOC_RST, 15, TPS6594_BIT_ESM_SOC_RST_INT),
/* RTC_STATUS register */
REGMAP_IRQ_REG(TPS6594_IRQ_TIMER, 16, TPS6594_BIT_TIMER),
REGMAP_IRQ_REG(TPS6594_IRQ_ALARM, 16, TPS6594_BIT_ALARM),
REGMAP_IRQ_REG(TPS6594_IRQ_POWER_UP, 16, TPS6594_BIT_POWER_UP),
};
static const unsigned int tps6594_irq_reg[] = {
TPS6594_REG_INT_BUCK1_2,
TPS6594_REG_INT_BUCK3_4,
TPS6594_REG_INT_BUCK5,
TPS6594_REG_INT_LDO1_2,
TPS6594_REG_INT_LDO3_4,
TPS6594_REG_INT_VMON,
TPS6594_REG_INT_GPIO,
TPS6594_REG_INT_GPIO1_8,
TPS6594_REG_INT_STARTUP,
TPS6594_REG_INT_MISC,
TPS6594_REG_INT_MODERATE_ERR,
TPS6594_REG_INT_SEVERE_ERR,
TPS6594_REG_INT_FSM_ERR,
TPS6594_REG_INT_COMM_ERR,
TPS6594_REG_INT_READBACK_ERR,
TPS6594_REG_INT_ESM,
TPS6594_REG_RTC_STATUS,
};
static inline unsigned int tps6594_get_irq_reg(struct regmap_irq_chip_data *data,
unsigned int base, int index)
{
return tps6594_irq_reg[index];
};
static int tps6594_handle_post_irq(void *irq_drv_data)
{
struct tps6594 *tps = irq_drv_data;
int ret = 0;
/*
* When CRC is enabled, writing to a read-only bit triggers an error,
* and COMM_ADR_ERR_INT bit is set. Besides, bits indicating interrupts
* (that must be cleared) and read-only bits are sometimes grouped in
* the same register.
* Since regmap clears interrupts by doing a write per register, clearing
* an interrupt bit in a register containing also a read-only bit makes
* COMM_ADR_ERR_INT bit set. Clear immediately this bit to avoid raising
* a new interrupt.
*/
if (tps->use_crc)
ret = regmap_write_bits(tps->regmap, TPS6594_REG_INT_COMM_ERR,
TPS6594_BIT_COMM_ADR_ERR_INT,
TPS6594_BIT_COMM_ADR_ERR_INT);
return ret;
};
static struct regmap_irq_chip tps6594_irq_chip = {
.ack_base = TPS6594_REG_INT_BUCK1_2,
.ack_invert = 1,
.clear_ack = 1,
.init_ack_masked = 1,
.num_regs = ARRAY_SIZE(tps6594_irq_reg),
.irqs = tps6594_irqs,
.num_irqs = ARRAY_SIZE(tps6594_irqs),
.get_irq_reg = tps6594_get_irq_reg,
.handle_post_irq = tps6594_handle_post_irq,
};
bool tps6594_is_volatile_reg(struct device *dev, unsigned int reg)
{
return (reg >= TPS6594_REG_INT_TOP && reg <= TPS6594_REG_STAT_READBACK_ERR) ||
reg == TPS6594_REG_RTC_STATUS;
}
EXPORT_SYMBOL_GPL(tps6594_is_volatile_reg);
static int tps6594_check_crc_mode(struct tps6594 *tps, bool primary_pmic)
{
int ret;
/*
* Check if CRC is enabled.
* Once CRC is enabled, it can't be disabled until next power cycle.
*/
tps->use_crc = true;
ret = regmap_test_bits(tps->regmap, TPS6594_REG_SERIAL_IF_CONFIG,
TPS6594_BIT_I2C1_SPI_CRC_EN);
if (ret == 0) {
ret = -EIO;
} else if (ret > 0) {
dev_info(tps->dev, "CRC feature enabled on %s PMIC",
primary_pmic ? "primary" : "secondary");
ret = 0;
}
return ret;
}
static int tps6594_set_crc_feature(struct tps6594 *tps)
{
int ret;
ret = tps6594_check_crc_mode(tps, true);
if (ret) {
/*
* If CRC is not already enabled, force PFSM I2C_2 trigger to enable it
* on primary PMIC.
*/
tps->use_crc = false;
ret = regmap_write_bits(tps->regmap, TPS6594_REG_FSM_I2C_TRIGGERS,
TPS6594_BIT_TRIGGER_I2C(2), TPS6594_BIT_TRIGGER_I2C(2));
if (ret)
return ret;
/*
* Wait for PFSM to process trigger.
* The datasheet indicates 2 ms, and clock specification is +/-5%.
* 4 ms should provide sufficient margin.
*/
usleep_range(4000, 5000);
ret = tps6594_check_crc_mode(tps, true);
}
return ret;
}
static int tps6594_enable_crc(struct tps6594 *tps)
{
struct device *dev = tps->dev;
unsigned int is_primary;
unsigned long timeout = msecs_to_jiffies(TPS6594_CRC_SYNC_TIMEOUT_MS);
int ret;
/*
* CRC mode can be used with I2C or SPI protocols.
* If this mode is specified for primary PMIC, it will also be applied to secondary PMICs
* through SPMI serial interface.
* In this multi-PMIC synchronization scheme, the primary PMIC is the controller device
* on the SPMI bus, and the secondary PMICs are the target devices on the SPMI bus.
*/
is_primary = of_property_read_bool(dev->of_node, "ti,primary-pmic");
if (is_primary) {
/* Enable CRC feature on primary PMIC */
ret = tps6594_set_crc_feature(tps);
if (ret)
return ret;
/* Notify secondary PMICs that CRC feature is enabled */
complete_all(&tps6594_crc_comp);
} else {
/* Wait for CRC feature enabling event from primary PMIC */
ret = wait_for_completion_interruptible_timeout(&tps6594_crc_comp, timeout);
if (ret == 0)
ret = -ETIMEDOUT;
else if (ret > 0)
ret = tps6594_check_crc_mode(tps, false);
}
return ret;
}
int tps6594_device_init(struct tps6594 *tps, bool enable_crc)
{
struct device *dev = tps->dev;
int ret;
if (enable_crc) {
ret = tps6594_enable_crc(tps);
if (ret)
return dev_err_probe(dev, ret, "Failed to enable CRC\n");
}
/* Keep PMIC in ACTIVE state */
ret = regmap_set_bits(tps->regmap, TPS6594_REG_FSM_NSLEEP_TRIGGERS,
TPS6594_BIT_NSLEEP1B | TPS6594_BIT_NSLEEP2B);
if (ret)
return dev_err_probe(dev, ret, "Failed to set PMIC state\n");
tps6594_irq_chip.irq_drv_data = tps;
tps6594_irq_chip.name = devm_kasprintf(dev, GFP_KERNEL, "%s-%ld-0x%02x",
dev->driver->name, tps->chip_id, tps->reg);
ret = devm_regmap_add_irq_chip(dev, tps->regmap, tps->irq, IRQF_SHARED | IRQF_ONESHOT,
0, &tps6594_irq_chip, &tps->irq_data);
if (ret)
return dev_err_probe(dev, ret, "Failed to add regmap IRQ\n");
ret = devm_mfd_add_devices(dev, PLATFORM_DEVID_AUTO, tps6594_common_cells,
ARRAY_SIZE(tps6594_common_cells), NULL, 0,
regmap_irq_get_domain(tps->irq_data));
if (ret)
return dev_err_probe(dev, ret, "Failed to add common child devices\n");
/* No RTC for LP8764 */
if (tps->chip_id != LP8764) {
ret = devm_mfd_add_devices(dev, PLATFORM_DEVID_AUTO, tps6594_rtc_cells,
ARRAY_SIZE(tps6594_rtc_cells), NULL, 0,
regmap_irq_get_domain(tps->irq_data));
if (ret)
return dev_err_probe(dev, ret, "Failed to add RTC child device\n");
}
return 0;
}
EXPORT_SYMBOL_GPL(tps6594_device_init);
MODULE_AUTHOR("Julien Panis <jpanis@baylibre.com>");
MODULE_DESCRIPTION("TPS6594 Driver");
MODULE_LICENSE("GPL");
|
