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1 | /* |
2 | * wm831x-core.c -- Device access for Wolfson WM831x PMICs | |
3 | * | |
4 | * Copyright 2009 Wolfson Microelectronics PLC. | |
5 | * | |
6 | * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License as published by the | |
10 | * Free Software Foundation; either version 2 of the License, or (at your | |
11 | * option) any later version. | |
12 | * | |
13 | */ | |
14 | ||
15 | #include <linux/kernel.h> | |
16 | #include <linux/module.h> | |
17 | #include <linux/i2c.h> | |
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18 | #include <linux/bcd.h> |
19 | #include <linux/delay.h> | |
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20 | #include <linux/mfd/core.h> |
21 | ||
22 | #include <linux/mfd/wm831x/core.h> | |
23 | #include <linux/mfd/wm831x/pdata.h> | |
7d4d0a3e | 24 | #include <linux/mfd/wm831x/irq.h> |
7e9f9fd4 | 25 | #include <linux/mfd/wm831x/auxadc.h> |
6704e517 | 26 | #include <linux/mfd/wm831x/otp.h> |
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27 | #include <linux/mfd/wm831x/regulator.h> |
28 | ||
29 | /* Current settings - values are 2*2^(reg_val/4) microamps. These are | |
30 | * exported since they are used by multiple drivers. | |
31 | */ | |
7716977b | 32 | int wm831x_isinkv_values[WM831X_ISINK_MAX_ISEL + 1] = { |
698659d5 MB |
33 | 2, |
34 | 2, | |
35 | 3, | |
36 | 3, | |
37 | 4, | |
38 | 5, | |
39 | 6, | |
40 | 7, | |
41 | 8, | |
42 | 10, | |
43 | 11, | |
44 | 13, | |
45 | 16, | |
46 | 19, | |
47 | 23, | |
48 | 27, | |
49 | 32, | |
50 | 38, | |
51 | 45, | |
52 | 54, | |
53 | 64, | |
54 | 76, | |
55 | 91, | |
56 | 108, | |
57 | 128, | |
58 | 152, | |
59 | 181, | |
60 | 215, | |
61 | 256, | |
62 | 304, | |
63 | 362, | |
64 | 431, | |
65 | 512, | |
66 | 609, | |
67 | 724, | |
68 | 861, | |
69 | 1024, | |
70 | 1218, | |
71 | 1448, | |
72 | 1722, | |
73 | 2048, | |
74 | 2435, | |
75 | 2896, | |
76 | 3444, | |
77 | 4096, | |
78 | 4871, | |
79 | 5793, | |
80 | 6889, | |
81 | 8192, | |
82 | 9742, | |
83 | 11585, | |
84 | 13777, | |
85 | 16384, | |
86 | 19484, | |
87 | 23170, | |
88 | 27554, | |
89 | }; | |
90 | EXPORT_SYMBOL_GPL(wm831x_isinkv_values); | |
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91 | |
92 | enum wm831x_parent { | |
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93 | WM8310 = 0x8310, |
94 | WM8311 = 0x8311, | |
95 | WM8312 = 0x8312, | |
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96 | }; |
97 | ||
98 | static int wm831x_reg_locked(struct wm831x *wm831x, unsigned short reg) | |
99 | { | |
100 | if (!wm831x->locked) | |
101 | return 0; | |
102 | ||
103 | switch (reg) { | |
104 | case WM831X_WATCHDOG: | |
105 | case WM831X_DC4_CONTROL: | |
106 | case WM831X_ON_PIN_CONTROL: | |
107 | case WM831X_BACKUP_CHARGER_CONTROL: | |
108 | case WM831X_CHARGER_CONTROL_1: | |
109 | case WM831X_CHARGER_CONTROL_2: | |
110 | return 1; | |
111 | ||
112 | default: | |
113 | return 0; | |
114 | } | |
115 | } | |
116 | ||
117 | /** | |
118 | * wm831x_reg_unlock: Unlock user keyed registers | |
119 | * | |
120 | * The WM831x has a user key preventing writes to particularly | |
121 | * critical registers. This function locks those registers, | |
122 | * allowing writes to them. | |
123 | */ | |
124 | void wm831x_reg_lock(struct wm831x *wm831x) | |
125 | { | |
126 | int ret; | |
127 | ||
128 | ret = wm831x_reg_write(wm831x, WM831X_SECURITY_KEY, 0); | |
129 | if (ret == 0) { | |
130 | dev_vdbg(wm831x->dev, "Registers locked\n"); | |
131 | ||
132 | mutex_lock(&wm831x->io_lock); | |
133 | WARN_ON(wm831x->locked); | |
134 | wm831x->locked = 1; | |
135 | mutex_unlock(&wm831x->io_lock); | |
136 | } else { | |
137 | dev_err(wm831x->dev, "Failed to lock registers: %d\n", ret); | |
138 | } | |
139 | ||
140 | } | |
141 | EXPORT_SYMBOL_GPL(wm831x_reg_lock); | |
142 | ||
143 | /** | |
144 | * wm831x_reg_unlock: Unlock user keyed registers | |
145 | * | |
146 | * The WM831x has a user key preventing writes to particularly | |
147 | * critical registers. This function locks those registers, | |
148 | * preventing spurious writes. | |
149 | */ | |
150 | int wm831x_reg_unlock(struct wm831x *wm831x) | |
151 | { | |
152 | int ret; | |
153 | ||
154 | /* 0x9716 is the value required to unlock the registers */ | |
155 | ret = wm831x_reg_write(wm831x, WM831X_SECURITY_KEY, 0x9716); | |
156 | if (ret == 0) { | |
157 | dev_vdbg(wm831x->dev, "Registers unlocked\n"); | |
158 | ||
159 | mutex_lock(&wm831x->io_lock); | |
160 | WARN_ON(!wm831x->locked); | |
161 | wm831x->locked = 0; | |
162 | mutex_unlock(&wm831x->io_lock); | |
163 | } | |
164 | ||
165 | return ret; | |
166 | } | |
167 | EXPORT_SYMBOL_GPL(wm831x_reg_unlock); | |
168 | ||
169 | static int wm831x_read(struct wm831x *wm831x, unsigned short reg, | |
170 | int bytes, void *dest) | |
171 | { | |
172 | int ret, i; | |
173 | u16 *buf = dest; | |
174 | ||
175 | BUG_ON(bytes % 2); | |
176 | BUG_ON(bytes <= 0); | |
177 | ||
178 | ret = wm831x->read_dev(wm831x, reg, bytes, dest); | |
179 | if (ret < 0) | |
180 | return ret; | |
181 | ||
182 | for (i = 0; i < bytes / 2; i++) { | |
183 | buf[i] = be16_to_cpu(buf[i]); | |
184 | ||
185 | dev_vdbg(wm831x->dev, "Read %04x from R%d(0x%x)\n", | |
186 | buf[i], reg + i, reg + i); | |
187 | } | |
188 | ||
189 | return 0; | |
190 | } | |
191 | ||
192 | /** | |
193 | * wm831x_reg_read: Read a single WM831x register. | |
194 | * | |
195 | * @wm831x: Device to read from. | |
196 | * @reg: Register to read. | |
197 | */ | |
198 | int wm831x_reg_read(struct wm831x *wm831x, unsigned short reg) | |
199 | { | |
200 | unsigned short val; | |
201 | int ret; | |
202 | ||
203 | mutex_lock(&wm831x->io_lock); | |
204 | ||
205 | ret = wm831x_read(wm831x, reg, 2, &val); | |
206 | ||
207 | mutex_unlock(&wm831x->io_lock); | |
208 | ||
209 | if (ret < 0) | |
210 | return ret; | |
211 | else | |
212 | return val; | |
213 | } | |
214 | EXPORT_SYMBOL_GPL(wm831x_reg_read); | |
215 | ||
216 | /** | |
217 | * wm831x_bulk_read: Read multiple WM831x registers | |
218 | * | |
219 | * @wm831x: Device to read from | |
220 | * @reg: First register | |
221 | * @count: Number of registers | |
222 | * @buf: Buffer to fill. | |
223 | */ | |
224 | int wm831x_bulk_read(struct wm831x *wm831x, unsigned short reg, | |
225 | int count, u16 *buf) | |
226 | { | |
227 | int ret; | |
228 | ||
229 | mutex_lock(&wm831x->io_lock); | |
230 | ||
231 | ret = wm831x_read(wm831x, reg, count * 2, buf); | |
232 | ||
233 | mutex_unlock(&wm831x->io_lock); | |
234 | ||
235 | return ret; | |
236 | } | |
237 | EXPORT_SYMBOL_GPL(wm831x_bulk_read); | |
238 | ||
239 | static int wm831x_write(struct wm831x *wm831x, unsigned short reg, | |
240 | int bytes, void *src) | |
241 | { | |
242 | u16 *buf = src; | |
243 | int i; | |
244 | ||
245 | BUG_ON(bytes % 2); | |
246 | BUG_ON(bytes <= 0); | |
247 | ||
248 | for (i = 0; i < bytes / 2; i++) { | |
249 | if (wm831x_reg_locked(wm831x, reg)) | |
250 | return -EPERM; | |
251 | ||
252 | dev_vdbg(wm831x->dev, "Write %04x to R%d(0x%x)\n", | |
253 | buf[i], reg + i, reg + i); | |
254 | ||
255 | buf[i] = cpu_to_be16(buf[i]); | |
256 | } | |
257 | ||
258 | return wm831x->write_dev(wm831x, reg, bytes, src); | |
259 | } | |
260 | ||
261 | /** | |
262 | * wm831x_reg_write: Write a single WM831x register. | |
263 | * | |
264 | * @wm831x: Device to write to. | |
265 | * @reg: Register to write to. | |
266 | * @val: Value to write. | |
267 | */ | |
268 | int wm831x_reg_write(struct wm831x *wm831x, unsigned short reg, | |
269 | unsigned short val) | |
270 | { | |
271 | int ret; | |
272 | ||
273 | mutex_lock(&wm831x->io_lock); | |
274 | ||
275 | ret = wm831x_write(wm831x, reg, 2, &val); | |
276 | ||
277 | mutex_unlock(&wm831x->io_lock); | |
278 | ||
279 | return ret; | |
280 | } | |
281 | EXPORT_SYMBOL_GPL(wm831x_reg_write); | |
282 | ||
283 | /** | |
284 | * wm831x_set_bits: Set the value of a bitfield in a WM831x register | |
285 | * | |
286 | * @wm831x: Device to write to. | |
287 | * @reg: Register to write to. | |
288 | * @mask: Mask of bits to set. | |
289 | * @val: Value to set (unshifted) | |
290 | */ | |
291 | int wm831x_set_bits(struct wm831x *wm831x, unsigned short reg, | |
292 | unsigned short mask, unsigned short val) | |
293 | { | |
294 | int ret; | |
295 | u16 r; | |
296 | ||
297 | mutex_lock(&wm831x->io_lock); | |
298 | ||
299 | ret = wm831x_read(wm831x, reg, 2, &r); | |
300 | if (ret < 0) | |
301 | goto out; | |
302 | ||
303 | r &= ~mask; | |
304 | r |= val; | |
305 | ||
306 | ret = wm831x_write(wm831x, reg, 2, &r); | |
307 | ||
308 | out: | |
309 | mutex_unlock(&wm831x->io_lock); | |
310 | ||
311 | return ret; | |
312 | } | |
313 | EXPORT_SYMBOL_GPL(wm831x_set_bits); | |
314 | ||
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315 | /** |
316 | * wm831x_auxadc_read: Read a value from the WM831x AUXADC | |
317 | * | |
318 | * @wm831x: Device to read from. | |
319 | * @input: AUXADC input to read. | |
320 | */ | |
321 | int wm831x_auxadc_read(struct wm831x *wm831x, enum wm831x_auxadc input) | |
322 | { | |
323 | int tries = 10; | |
324 | int ret, src; | |
325 | ||
326 | mutex_lock(&wm831x->auxadc_lock); | |
327 | ||
328 | ret = wm831x_set_bits(wm831x, WM831X_AUXADC_CONTROL, | |
329 | WM831X_AUX_ENA, WM831X_AUX_ENA); | |
330 | if (ret < 0) { | |
331 | dev_err(wm831x->dev, "Failed to enable AUXADC: %d\n", ret); | |
332 | goto out; | |
333 | } | |
334 | ||
335 | /* We force a single source at present */ | |
336 | src = input; | |
337 | ret = wm831x_reg_write(wm831x, WM831X_AUXADC_SOURCE, | |
338 | 1 << src); | |
339 | if (ret < 0) { | |
340 | dev_err(wm831x->dev, "Failed to set AUXADC source: %d\n", ret); | |
341 | goto out; | |
342 | } | |
343 | ||
344 | ret = wm831x_set_bits(wm831x, WM831X_AUXADC_CONTROL, | |
345 | WM831X_AUX_CVT_ENA, WM831X_AUX_CVT_ENA); | |
346 | if (ret < 0) { | |
347 | dev_err(wm831x->dev, "Failed to start AUXADC: %d\n", ret); | |
348 | goto disable; | |
349 | } | |
350 | ||
351 | do { | |
352 | msleep(1); | |
353 | ||
354 | ret = wm831x_reg_read(wm831x, WM831X_AUXADC_CONTROL); | |
355 | if (ret < 0) | |
356 | ret = WM831X_AUX_CVT_ENA; | |
357 | } while ((ret & WM831X_AUX_CVT_ENA) && --tries); | |
358 | ||
359 | if (ret & WM831X_AUX_CVT_ENA) { | |
360 | dev_err(wm831x->dev, "Timed out reading AUXADC\n"); | |
361 | ret = -EBUSY; | |
362 | goto disable; | |
363 | } | |
364 | ||
365 | ret = wm831x_reg_read(wm831x, WM831X_AUXADC_DATA); | |
366 | if (ret < 0) { | |
367 | dev_err(wm831x->dev, "Failed to read AUXADC data: %d\n", ret); | |
368 | } else { | |
369 | src = ((ret & WM831X_AUX_DATA_SRC_MASK) | |
370 | >> WM831X_AUX_DATA_SRC_SHIFT) - 1; | |
371 | ||
372 | if (src == 14) | |
373 | src = WM831X_AUX_CAL; | |
374 | ||
375 | if (src != input) { | |
376 | dev_err(wm831x->dev, "Data from source %d not %d\n", | |
377 | src, input); | |
378 | ret = -EINVAL; | |
379 | } else { | |
380 | ret &= WM831X_AUX_DATA_MASK; | |
381 | } | |
382 | } | |
383 | ||
384 | disable: | |
385 | wm831x_set_bits(wm831x, WM831X_AUXADC_CONTROL, WM831X_AUX_ENA, 0); | |
386 | out: | |
387 | mutex_unlock(&wm831x->auxadc_lock); | |
388 | return ret; | |
389 | } | |
390 | EXPORT_SYMBOL_GPL(wm831x_auxadc_read); | |
391 | ||
392 | /** | |
393 | * wm831x_auxadc_read_uv: Read a voltage from the WM831x AUXADC | |
394 | * | |
395 | * @wm831x: Device to read from. | |
396 | * @input: AUXADC input to read. | |
397 | */ | |
398 | int wm831x_auxadc_read_uv(struct wm831x *wm831x, enum wm831x_auxadc input) | |
399 | { | |
400 | int ret; | |
401 | ||
402 | ret = wm831x_auxadc_read(wm831x, input); | |
403 | if (ret < 0) | |
404 | return ret; | |
405 | ||
406 | ret *= 1465; | |
407 | ||
408 | return ret; | |
409 | } | |
410 | EXPORT_SYMBOL_GPL(wm831x_auxadc_read_uv); | |
411 | ||
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412 | static struct resource wm831x_dcdc1_resources[] = { |
413 | { | |
414 | .start = WM831X_DC1_CONTROL_1, | |
415 | .end = WM831X_DC1_DVS_CONTROL, | |
416 | .flags = IORESOURCE_IO, | |
417 | }, | |
418 | { | |
419 | .name = "UV", | |
420 | .start = WM831X_IRQ_UV_DC1, | |
421 | .end = WM831X_IRQ_UV_DC1, | |
422 | .flags = IORESOURCE_IRQ, | |
423 | }, | |
424 | { | |
425 | .name = "HC", | |
426 | .start = WM831X_IRQ_HC_DC1, | |
427 | .end = WM831X_IRQ_HC_DC1, | |
428 | .flags = IORESOURCE_IRQ, | |
429 | }, | |
430 | }; | |
431 | ||
432 | ||
433 | static struct resource wm831x_dcdc2_resources[] = { | |
434 | { | |
435 | .start = WM831X_DC2_CONTROL_1, | |
436 | .end = WM831X_DC2_DVS_CONTROL, | |
437 | .flags = IORESOURCE_IO, | |
438 | }, | |
439 | { | |
440 | .name = "UV", | |
441 | .start = WM831X_IRQ_UV_DC2, | |
442 | .end = WM831X_IRQ_UV_DC2, | |
443 | .flags = IORESOURCE_IRQ, | |
444 | }, | |
445 | { | |
446 | .name = "HC", | |
447 | .start = WM831X_IRQ_HC_DC2, | |
448 | .end = WM831X_IRQ_HC_DC2, | |
449 | .flags = IORESOURCE_IRQ, | |
450 | }, | |
451 | }; | |
452 | ||
453 | static struct resource wm831x_dcdc3_resources[] = { | |
454 | { | |
455 | .start = WM831X_DC3_CONTROL_1, | |
456 | .end = WM831X_DC3_SLEEP_CONTROL, | |
457 | .flags = IORESOURCE_IO, | |
458 | }, | |
459 | { | |
460 | .name = "UV", | |
461 | .start = WM831X_IRQ_UV_DC3, | |
462 | .end = WM831X_IRQ_UV_DC3, | |
463 | .flags = IORESOURCE_IRQ, | |
464 | }, | |
465 | }; | |
466 | ||
467 | static struct resource wm831x_dcdc4_resources[] = { | |
468 | { | |
469 | .start = WM831X_DC4_CONTROL, | |
470 | .end = WM831X_DC4_SLEEP_CONTROL, | |
471 | .flags = IORESOURCE_IO, | |
472 | }, | |
473 | { | |
474 | .name = "UV", | |
475 | .start = WM831X_IRQ_UV_DC4, | |
476 | .end = WM831X_IRQ_UV_DC4, | |
477 | .flags = IORESOURCE_IRQ, | |
478 | }, | |
479 | }; | |
480 | ||
481 | static struct resource wm831x_gpio_resources[] = { | |
482 | { | |
483 | .start = WM831X_IRQ_GPIO_1, | |
484 | .end = WM831X_IRQ_GPIO_16, | |
485 | .flags = IORESOURCE_IRQ, | |
486 | }, | |
487 | }; | |
488 | ||
489 | static struct resource wm831x_isink1_resources[] = { | |
490 | { | |
491 | .start = WM831X_CURRENT_SINK_1, | |
492 | .end = WM831X_CURRENT_SINK_1, | |
493 | .flags = IORESOURCE_IO, | |
494 | }, | |
495 | { | |
496 | .start = WM831X_IRQ_CS1, | |
497 | .end = WM831X_IRQ_CS1, | |
498 | .flags = IORESOURCE_IRQ, | |
499 | }, | |
500 | }; | |
501 | ||
502 | static struct resource wm831x_isink2_resources[] = { | |
503 | { | |
504 | .start = WM831X_CURRENT_SINK_2, | |
505 | .end = WM831X_CURRENT_SINK_2, | |
506 | .flags = IORESOURCE_IO, | |
507 | }, | |
508 | { | |
509 | .start = WM831X_IRQ_CS2, | |
510 | .end = WM831X_IRQ_CS2, | |
511 | .flags = IORESOURCE_IRQ, | |
512 | }, | |
513 | }; | |
514 | ||
515 | static struct resource wm831x_ldo1_resources[] = { | |
516 | { | |
517 | .start = WM831X_LDO1_CONTROL, | |
518 | .end = WM831X_LDO1_SLEEP_CONTROL, | |
519 | .flags = IORESOURCE_IO, | |
520 | }, | |
521 | { | |
522 | .name = "UV", | |
523 | .start = WM831X_IRQ_UV_LDO1, | |
524 | .end = WM831X_IRQ_UV_LDO1, | |
525 | .flags = IORESOURCE_IRQ, | |
526 | }, | |
527 | }; | |
528 | ||
529 | static struct resource wm831x_ldo2_resources[] = { | |
530 | { | |
531 | .start = WM831X_LDO2_CONTROL, | |
532 | .end = WM831X_LDO2_SLEEP_CONTROL, | |
533 | .flags = IORESOURCE_IO, | |
534 | }, | |
535 | { | |
536 | .name = "UV", | |
537 | .start = WM831X_IRQ_UV_LDO2, | |
538 | .end = WM831X_IRQ_UV_LDO2, | |
539 | .flags = IORESOURCE_IRQ, | |
540 | }, | |
541 | }; | |
542 | ||
543 | static struct resource wm831x_ldo3_resources[] = { | |
544 | { | |
545 | .start = WM831X_LDO3_CONTROL, | |
546 | .end = WM831X_LDO3_SLEEP_CONTROL, | |
547 | .flags = IORESOURCE_IO, | |
548 | }, | |
549 | { | |
550 | .name = "UV", | |
551 | .start = WM831X_IRQ_UV_LDO3, | |
552 | .end = WM831X_IRQ_UV_LDO3, | |
553 | .flags = IORESOURCE_IRQ, | |
554 | }, | |
555 | }; | |
556 | ||
557 | static struct resource wm831x_ldo4_resources[] = { | |
558 | { | |
559 | .start = WM831X_LDO4_CONTROL, | |
560 | .end = WM831X_LDO4_SLEEP_CONTROL, | |
561 | .flags = IORESOURCE_IO, | |
562 | }, | |
563 | { | |
564 | .name = "UV", | |
565 | .start = WM831X_IRQ_UV_LDO4, | |
566 | .end = WM831X_IRQ_UV_LDO4, | |
567 | .flags = IORESOURCE_IRQ, | |
568 | }, | |
569 | }; | |
570 | ||
571 | static struct resource wm831x_ldo5_resources[] = { | |
572 | { | |
573 | .start = WM831X_LDO5_CONTROL, | |
574 | .end = WM831X_LDO5_SLEEP_CONTROL, | |
575 | .flags = IORESOURCE_IO, | |
576 | }, | |
577 | { | |
578 | .name = "UV", | |
579 | .start = WM831X_IRQ_UV_LDO5, | |
580 | .end = WM831X_IRQ_UV_LDO5, | |
581 | .flags = IORESOURCE_IRQ, | |
582 | }, | |
583 | }; | |
584 | ||
585 | static struct resource wm831x_ldo6_resources[] = { | |
586 | { | |
587 | .start = WM831X_LDO6_CONTROL, | |
588 | .end = WM831X_LDO6_SLEEP_CONTROL, | |
589 | .flags = IORESOURCE_IO, | |
590 | }, | |
591 | { | |
592 | .name = "UV", | |
593 | .start = WM831X_IRQ_UV_LDO6, | |
594 | .end = WM831X_IRQ_UV_LDO6, | |
595 | .flags = IORESOURCE_IRQ, | |
596 | }, | |
597 | }; | |
598 | ||
599 | static struct resource wm831x_ldo7_resources[] = { | |
600 | { | |
601 | .start = WM831X_LDO7_CONTROL, | |
602 | .end = WM831X_LDO7_SLEEP_CONTROL, | |
603 | .flags = IORESOURCE_IO, | |
604 | }, | |
605 | { | |
606 | .name = "UV", | |
607 | .start = WM831X_IRQ_UV_LDO7, | |
608 | .end = WM831X_IRQ_UV_LDO7, | |
609 | .flags = IORESOURCE_IRQ, | |
610 | }, | |
611 | }; | |
612 | ||
613 | static struct resource wm831x_ldo8_resources[] = { | |
614 | { | |
615 | .start = WM831X_LDO8_CONTROL, | |
616 | .end = WM831X_LDO8_SLEEP_CONTROL, | |
617 | .flags = IORESOURCE_IO, | |
618 | }, | |
619 | { | |
620 | .name = "UV", | |
621 | .start = WM831X_IRQ_UV_LDO8, | |
622 | .end = WM831X_IRQ_UV_LDO8, | |
623 | .flags = IORESOURCE_IRQ, | |
624 | }, | |
625 | }; | |
626 | ||
627 | static struct resource wm831x_ldo9_resources[] = { | |
628 | { | |
629 | .start = WM831X_LDO9_CONTROL, | |
630 | .end = WM831X_LDO9_SLEEP_CONTROL, | |
631 | .flags = IORESOURCE_IO, | |
632 | }, | |
633 | { | |
634 | .name = "UV", | |
635 | .start = WM831X_IRQ_UV_LDO9, | |
636 | .end = WM831X_IRQ_UV_LDO9, | |
637 | .flags = IORESOURCE_IRQ, | |
638 | }, | |
639 | }; | |
640 | ||
641 | static struct resource wm831x_ldo10_resources[] = { | |
642 | { | |
643 | .start = WM831X_LDO10_CONTROL, | |
644 | .end = WM831X_LDO10_SLEEP_CONTROL, | |
645 | .flags = IORESOURCE_IO, | |
646 | }, | |
647 | { | |
648 | .name = "UV", | |
649 | .start = WM831X_IRQ_UV_LDO10, | |
650 | .end = WM831X_IRQ_UV_LDO10, | |
651 | .flags = IORESOURCE_IRQ, | |
652 | }, | |
653 | }; | |
654 | ||
655 | static struct resource wm831x_ldo11_resources[] = { | |
656 | { | |
657 | .start = WM831X_LDO11_ON_CONTROL, | |
658 | .end = WM831X_LDO11_SLEEP_CONTROL, | |
659 | .flags = IORESOURCE_IO, | |
660 | }, | |
661 | }; | |
662 | ||
663 | static struct resource wm831x_on_resources[] = { | |
664 | { | |
665 | .start = WM831X_IRQ_ON, | |
666 | .end = WM831X_IRQ_ON, | |
667 | .flags = IORESOURCE_IRQ, | |
668 | }, | |
669 | }; | |
670 | ||
671 | ||
672 | static struct resource wm831x_power_resources[] = { | |
673 | { | |
674 | .name = "SYSLO", | |
675 | .start = WM831X_IRQ_PPM_SYSLO, | |
676 | .end = WM831X_IRQ_PPM_SYSLO, | |
677 | .flags = IORESOURCE_IRQ, | |
678 | }, | |
679 | { | |
680 | .name = "PWR SRC", | |
681 | .start = WM831X_IRQ_PPM_PWR_SRC, | |
682 | .end = WM831X_IRQ_PPM_PWR_SRC, | |
683 | .flags = IORESOURCE_IRQ, | |
684 | }, | |
685 | { | |
686 | .name = "USB CURR", | |
687 | .start = WM831X_IRQ_PPM_USB_CURR, | |
688 | .end = WM831X_IRQ_PPM_USB_CURR, | |
689 | .flags = IORESOURCE_IRQ, | |
690 | }, | |
691 | { | |
692 | .name = "BATT HOT", | |
693 | .start = WM831X_IRQ_CHG_BATT_HOT, | |
694 | .end = WM831X_IRQ_CHG_BATT_HOT, | |
695 | .flags = IORESOURCE_IRQ, | |
696 | }, | |
697 | { | |
698 | .name = "BATT COLD", | |
699 | .start = WM831X_IRQ_CHG_BATT_COLD, | |
700 | .end = WM831X_IRQ_CHG_BATT_COLD, | |
701 | .flags = IORESOURCE_IRQ, | |
702 | }, | |
703 | { | |
704 | .name = "BATT FAIL", | |
705 | .start = WM831X_IRQ_CHG_BATT_FAIL, | |
706 | .end = WM831X_IRQ_CHG_BATT_FAIL, | |
707 | .flags = IORESOURCE_IRQ, | |
708 | }, | |
709 | { | |
710 | .name = "OV", | |
711 | .start = WM831X_IRQ_CHG_OV, | |
712 | .end = WM831X_IRQ_CHG_OV, | |
713 | .flags = IORESOURCE_IRQ, | |
714 | }, | |
715 | { | |
716 | .name = "END", | |
717 | .start = WM831X_IRQ_CHG_END, | |
718 | .end = WM831X_IRQ_CHG_END, | |
719 | .flags = IORESOURCE_IRQ, | |
720 | }, | |
721 | { | |
722 | .name = "TO", | |
723 | .start = WM831X_IRQ_CHG_TO, | |
724 | .end = WM831X_IRQ_CHG_TO, | |
725 | .flags = IORESOURCE_IRQ, | |
726 | }, | |
727 | { | |
728 | .name = "MODE", | |
729 | .start = WM831X_IRQ_CHG_MODE, | |
730 | .end = WM831X_IRQ_CHG_MODE, | |
731 | .flags = IORESOURCE_IRQ, | |
732 | }, | |
733 | { | |
734 | .name = "START", | |
735 | .start = WM831X_IRQ_CHG_START, | |
736 | .end = WM831X_IRQ_CHG_START, | |
737 | .flags = IORESOURCE_IRQ, | |
738 | }, | |
739 | }; | |
740 | ||
741 | static struct resource wm831x_rtc_resources[] = { | |
742 | { | |
743 | .name = "PER", | |
744 | .start = WM831X_IRQ_RTC_PER, | |
745 | .end = WM831X_IRQ_RTC_PER, | |
746 | .flags = IORESOURCE_IRQ, | |
747 | }, | |
748 | { | |
749 | .name = "ALM", | |
750 | .start = WM831X_IRQ_RTC_ALM, | |
751 | .end = WM831X_IRQ_RTC_ALM, | |
752 | .flags = IORESOURCE_IRQ, | |
753 | }, | |
754 | }; | |
755 | ||
756 | static struct resource wm831x_status1_resources[] = { | |
757 | { | |
758 | .start = WM831X_STATUS_LED_1, | |
759 | .end = WM831X_STATUS_LED_1, | |
760 | .flags = IORESOURCE_IO, | |
761 | }, | |
762 | }; | |
763 | ||
764 | static struct resource wm831x_status2_resources[] = { | |
765 | { | |
766 | .start = WM831X_STATUS_LED_2, | |
767 | .end = WM831X_STATUS_LED_2, | |
768 | .flags = IORESOURCE_IO, | |
769 | }, | |
770 | }; | |
771 | ||
772 | static struct resource wm831x_touch_resources[] = { | |
773 | { | |
774 | .name = "TCHPD", | |
775 | .start = WM831X_IRQ_TCHPD, | |
776 | .end = WM831X_IRQ_TCHPD, | |
777 | .flags = IORESOURCE_IRQ, | |
778 | }, | |
779 | { | |
780 | .name = "TCHDATA", | |
781 | .start = WM831X_IRQ_TCHDATA, | |
782 | .end = WM831X_IRQ_TCHDATA, | |
783 | .flags = IORESOURCE_IRQ, | |
784 | }, | |
785 | }; | |
786 | ||
787 | static struct resource wm831x_wdt_resources[] = { | |
788 | { | |
789 | .start = WM831X_IRQ_WDOG_TO, | |
790 | .end = WM831X_IRQ_WDOG_TO, | |
791 | .flags = IORESOURCE_IRQ, | |
792 | }, | |
793 | }; | |
794 | ||
795 | static struct mfd_cell wm8310_devs[] = { | |
796 | { | |
797 | .name = "wm831x-buckv", | |
798 | .id = 1, | |
799 | .num_resources = ARRAY_SIZE(wm831x_dcdc1_resources), | |
800 | .resources = wm831x_dcdc1_resources, | |
801 | }, | |
802 | { | |
803 | .name = "wm831x-buckv", | |
804 | .id = 2, | |
805 | .num_resources = ARRAY_SIZE(wm831x_dcdc2_resources), | |
806 | .resources = wm831x_dcdc2_resources, | |
807 | }, | |
808 | { | |
809 | .name = "wm831x-buckp", | |
810 | .id = 3, | |
811 | .num_resources = ARRAY_SIZE(wm831x_dcdc3_resources), | |
812 | .resources = wm831x_dcdc3_resources, | |
813 | }, | |
814 | { | |
815 | .name = "wm831x-boostp", | |
816 | .id = 4, | |
817 | .num_resources = ARRAY_SIZE(wm831x_dcdc4_resources), | |
818 | .resources = wm831x_dcdc4_resources, | |
819 | }, | |
820 | { | |
821 | .name = "wm831x-epe", | |
822 | .id = 1, | |
823 | }, | |
824 | { | |
825 | .name = "wm831x-epe", | |
826 | .id = 2, | |
827 | }, | |
828 | { | |
829 | .name = "wm831x-gpio", | |
830 | .num_resources = ARRAY_SIZE(wm831x_gpio_resources), | |
831 | .resources = wm831x_gpio_resources, | |
832 | }, | |
833 | { | |
834 | .name = "wm831x-hwmon", | |
835 | }, | |
836 | { | |
837 | .name = "wm831x-isink", | |
838 | .id = 1, | |
839 | .num_resources = ARRAY_SIZE(wm831x_isink1_resources), | |
840 | .resources = wm831x_isink1_resources, | |
841 | }, | |
842 | { | |
843 | .name = "wm831x-isink", | |
844 | .id = 2, | |
845 | .num_resources = ARRAY_SIZE(wm831x_isink2_resources), | |
846 | .resources = wm831x_isink2_resources, | |
847 | }, | |
848 | { | |
849 | .name = "wm831x-ldo", | |
850 | .id = 1, | |
851 | .num_resources = ARRAY_SIZE(wm831x_ldo1_resources), | |
852 | .resources = wm831x_ldo1_resources, | |
853 | }, | |
854 | { | |
855 | .name = "wm831x-ldo", | |
856 | .id = 2, | |
857 | .num_resources = ARRAY_SIZE(wm831x_ldo2_resources), | |
858 | .resources = wm831x_ldo2_resources, | |
859 | }, | |
860 | { | |
861 | .name = "wm831x-ldo", | |
862 | .id = 3, | |
863 | .num_resources = ARRAY_SIZE(wm831x_ldo3_resources), | |
864 | .resources = wm831x_ldo3_resources, | |
865 | }, | |
866 | { | |
867 | .name = "wm831x-ldo", | |
868 | .id = 4, | |
869 | .num_resources = ARRAY_SIZE(wm831x_ldo4_resources), | |
870 | .resources = wm831x_ldo4_resources, | |
871 | }, | |
872 | { | |
873 | .name = "wm831x-ldo", | |
874 | .id = 5, | |
875 | .num_resources = ARRAY_SIZE(wm831x_ldo5_resources), | |
876 | .resources = wm831x_ldo5_resources, | |
877 | }, | |
878 | { | |
879 | .name = "wm831x-ldo", | |
880 | .id = 6, | |
881 | .num_resources = ARRAY_SIZE(wm831x_ldo6_resources), | |
882 | .resources = wm831x_ldo6_resources, | |
883 | }, | |
884 | { | |
885 | .name = "wm831x-aldo", | |
886 | .id = 7, | |
887 | .num_resources = ARRAY_SIZE(wm831x_ldo7_resources), | |
888 | .resources = wm831x_ldo7_resources, | |
889 | }, | |
890 | { | |
891 | .name = "wm831x-aldo", | |
892 | .id = 8, | |
893 | .num_resources = ARRAY_SIZE(wm831x_ldo8_resources), | |
894 | .resources = wm831x_ldo8_resources, | |
895 | }, | |
896 | { | |
897 | .name = "wm831x-aldo", | |
898 | .id = 9, | |
899 | .num_resources = ARRAY_SIZE(wm831x_ldo9_resources), | |
900 | .resources = wm831x_ldo9_resources, | |
901 | }, | |
902 | { | |
903 | .name = "wm831x-aldo", | |
904 | .id = 10, | |
905 | .num_resources = ARRAY_SIZE(wm831x_ldo10_resources), | |
906 | .resources = wm831x_ldo10_resources, | |
907 | }, | |
908 | { | |
909 | .name = "wm831x-alive-ldo", | |
910 | .id = 11, | |
911 | .num_resources = ARRAY_SIZE(wm831x_ldo11_resources), | |
912 | .resources = wm831x_ldo11_resources, | |
913 | }, | |
914 | { | |
915 | .name = "wm831x-on", | |
916 | .num_resources = ARRAY_SIZE(wm831x_on_resources), | |
917 | .resources = wm831x_on_resources, | |
918 | }, | |
919 | { | |
920 | .name = "wm831x-power", | |
921 | .num_resources = ARRAY_SIZE(wm831x_power_resources), | |
922 | .resources = wm831x_power_resources, | |
923 | }, | |
924 | { | |
925 | .name = "wm831x-rtc", | |
926 | .num_resources = ARRAY_SIZE(wm831x_rtc_resources), | |
927 | .resources = wm831x_rtc_resources, | |
928 | }, | |
929 | { | |
930 | .name = "wm831x-status", | |
931 | .id = 1, | |
932 | .num_resources = ARRAY_SIZE(wm831x_status1_resources), | |
933 | .resources = wm831x_status1_resources, | |
934 | }, | |
935 | { | |
936 | .name = "wm831x-status", | |
937 | .id = 2, | |
938 | .num_resources = ARRAY_SIZE(wm831x_status2_resources), | |
939 | .resources = wm831x_status2_resources, | |
940 | }, | |
941 | { | |
942 | .name = "wm831x-watchdog", | |
943 | .num_resources = ARRAY_SIZE(wm831x_wdt_resources), | |
944 | .resources = wm831x_wdt_resources, | |
945 | }, | |
946 | }; | |
947 | ||
948 | static struct mfd_cell wm8311_devs[] = { | |
949 | { | |
950 | .name = "wm831x-buckv", | |
951 | .id = 1, | |
952 | .num_resources = ARRAY_SIZE(wm831x_dcdc1_resources), | |
953 | .resources = wm831x_dcdc1_resources, | |
954 | }, | |
955 | { | |
956 | .name = "wm831x-buckv", | |
957 | .id = 2, | |
958 | .num_resources = ARRAY_SIZE(wm831x_dcdc2_resources), | |
959 | .resources = wm831x_dcdc2_resources, | |
960 | }, | |
961 | { | |
962 | .name = "wm831x-buckp", | |
963 | .id = 3, | |
964 | .num_resources = ARRAY_SIZE(wm831x_dcdc3_resources), | |
965 | .resources = wm831x_dcdc3_resources, | |
966 | }, | |
967 | { | |
968 | .name = "wm831x-boostp", | |
969 | .id = 4, | |
970 | .num_resources = ARRAY_SIZE(wm831x_dcdc4_resources), | |
971 | .resources = wm831x_dcdc4_resources, | |
972 | }, | |
973 | { | |
974 | .name = "wm831x-epe", | |
975 | .id = 1, | |
976 | }, | |
977 | { | |
978 | .name = "wm831x-epe", | |
979 | .id = 2, | |
980 | }, | |
981 | { | |
982 | .name = "wm831x-gpio", | |
983 | .num_resources = ARRAY_SIZE(wm831x_gpio_resources), | |
984 | .resources = wm831x_gpio_resources, | |
985 | }, | |
986 | { | |
987 | .name = "wm831x-hwmon", | |
988 | }, | |
989 | { | |
990 | .name = "wm831x-isink", | |
991 | .id = 1, | |
992 | .num_resources = ARRAY_SIZE(wm831x_isink1_resources), | |
993 | .resources = wm831x_isink1_resources, | |
994 | }, | |
995 | { | |
996 | .name = "wm831x-isink", | |
997 | .id = 2, | |
998 | .num_resources = ARRAY_SIZE(wm831x_isink2_resources), | |
999 | .resources = wm831x_isink2_resources, | |
1000 | }, | |
1001 | { | |
1002 | .name = "wm831x-ldo", | |
1003 | .id = 1, | |
1004 | .num_resources = ARRAY_SIZE(wm831x_ldo1_resources), | |
1005 | .resources = wm831x_ldo1_resources, | |
1006 | }, | |
1007 | { | |
1008 | .name = "wm831x-ldo", | |
1009 | .id = 2, | |
1010 | .num_resources = ARRAY_SIZE(wm831x_ldo2_resources), | |
1011 | .resources = wm831x_ldo2_resources, | |
1012 | }, | |
1013 | { | |
1014 | .name = "wm831x-ldo", | |
1015 | .id = 3, | |
1016 | .num_resources = ARRAY_SIZE(wm831x_ldo3_resources), | |
1017 | .resources = wm831x_ldo3_resources, | |
1018 | }, | |
1019 | { | |
1020 | .name = "wm831x-ldo", | |
1021 | .id = 4, | |
1022 | .num_resources = ARRAY_SIZE(wm831x_ldo4_resources), | |
1023 | .resources = wm831x_ldo4_resources, | |
1024 | }, | |
1025 | { | |
1026 | .name = "wm831x-ldo", | |
1027 | .id = 5, | |
1028 | .num_resources = ARRAY_SIZE(wm831x_ldo5_resources), | |
1029 | .resources = wm831x_ldo5_resources, | |
1030 | }, | |
1031 | { | |
1032 | .name = "wm831x-aldo", | |
1033 | .id = 7, | |
1034 | .num_resources = ARRAY_SIZE(wm831x_ldo7_resources), | |
1035 | .resources = wm831x_ldo7_resources, | |
1036 | }, | |
1037 | { | |
1038 | .name = "wm831x-alive-ldo", | |
1039 | .id = 11, | |
1040 | .num_resources = ARRAY_SIZE(wm831x_ldo11_resources), | |
1041 | .resources = wm831x_ldo11_resources, | |
1042 | }, | |
1043 | { | |
1044 | .name = "wm831x-on", | |
1045 | .num_resources = ARRAY_SIZE(wm831x_on_resources), | |
1046 | .resources = wm831x_on_resources, | |
1047 | }, | |
1048 | { | |
1049 | .name = "wm831x-power", | |
1050 | .num_resources = ARRAY_SIZE(wm831x_power_resources), | |
1051 | .resources = wm831x_power_resources, | |
1052 | }, | |
1053 | { | |
1054 | .name = "wm831x-rtc", | |
1055 | .num_resources = ARRAY_SIZE(wm831x_rtc_resources), | |
1056 | .resources = wm831x_rtc_resources, | |
1057 | }, | |
1058 | { | |
1059 | .name = "wm831x-status", | |
1060 | .id = 1, | |
1061 | .num_resources = ARRAY_SIZE(wm831x_status1_resources), | |
1062 | .resources = wm831x_status1_resources, | |
1063 | }, | |
1064 | { | |
1065 | .name = "wm831x-status", | |
1066 | .id = 2, | |
1067 | .num_resources = ARRAY_SIZE(wm831x_status2_resources), | |
1068 | .resources = wm831x_status2_resources, | |
1069 | }, | |
1070 | { | |
1071 | .name = "wm831x-touch", | |
1072 | .num_resources = ARRAY_SIZE(wm831x_touch_resources), | |
1073 | .resources = wm831x_touch_resources, | |
1074 | }, | |
1075 | { | |
1076 | .name = "wm831x-watchdog", | |
1077 | .num_resources = ARRAY_SIZE(wm831x_wdt_resources), | |
1078 | .resources = wm831x_wdt_resources, | |
1079 | }, | |
1080 | }; | |
1081 | ||
1082 | static struct mfd_cell wm8312_devs[] = { | |
1083 | { | |
1084 | .name = "wm831x-buckv", | |
1085 | .id = 1, | |
1086 | .num_resources = ARRAY_SIZE(wm831x_dcdc1_resources), | |
1087 | .resources = wm831x_dcdc1_resources, | |
1088 | }, | |
1089 | { | |
1090 | .name = "wm831x-buckv", | |
1091 | .id = 2, | |
1092 | .num_resources = ARRAY_SIZE(wm831x_dcdc2_resources), | |
1093 | .resources = wm831x_dcdc2_resources, | |
1094 | }, | |
1095 | { | |
1096 | .name = "wm831x-buckp", | |
1097 | .id = 3, | |
1098 | .num_resources = ARRAY_SIZE(wm831x_dcdc3_resources), | |
1099 | .resources = wm831x_dcdc3_resources, | |
1100 | }, | |
1101 | { | |
1102 | .name = "wm831x-boostp", | |
1103 | .id = 4, | |
1104 | .num_resources = ARRAY_SIZE(wm831x_dcdc4_resources), | |
1105 | .resources = wm831x_dcdc4_resources, | |
1106 | }, | |
1107 | { | |
1108 | .name = "wm831x-epe", | |
1109 | .id = 1, | |
1110 | }, | |
1111 | { | |
1112 | .name = "wm831x-epe", | |
1113 | .id = 2, | |
1114 | }, | |
1115 | { | |
1116 | .name = "wm831x-gpio", | |
1117 | .num_resources = ARRAY_SIZE(wm831x_gpio_resources), | |
1118 | .resources = wm831x_gpio_resources, | |
1119 | }, | |
1120 | { | |
1121 | .name = "wm831x-hwmon", | |
1122 | }, | |
1123 | { | |
1124 | .name = "wm831x-isink", | |
1125 | .id = 1, | |
1126 | .num_resources = ARRAY_SIZE(wm831x_isink1_resources), | |
1127 | .resources = wm831x_isink1_resources, | |
1128 | }, | |
1129 | { | |
1130 | .name = "wm831x-isink", | |
1131 | .id = 2, | |
1132 | .num_resources = ARRAY_SIZE(wm831x_isink2_resources), | |
1133 | .resources = wm831x_isink2_resources, | |
1134 | }, | |
1135 | { | |
1136 | .name = "wm831x-ldo", | |
1137 | .id = 1, | |
1138 | .num_resources = ARRAY_SIZE(wm831x_ldo1_resources), | |
1139 | .resources = wm831x_ldo1_resources, | |
1140 | }, | |
1141 | { | |
1142 | .name = "wm831x-ldo", | |
1143 | .id = 2, | |
1144 | .num_resources = ARRAY_SIZE(wm831x_ldo2_resources), | |
1145 | .resources = wm831x_ldo2_resources, | |
1146 | }, | |
1147 | { | |
1148 | .name = "wm831x-ldo", | |
1149 | .id = 3, | |
1150 | .num_resources = ARRAY_SIZE(wm831x_ldo3_resources), | |
1151 | .resources = wm831x_ldo3_resources, | |
1152 | }, | |
1153 | { | |
1154 | .name = "wm831x-ldo", | |
1155 | .id = 4, | |
1156 | .num_resources = ARRAY_SIZE(wm831x_ldo4_resources), | |
1157 | .resources = wm831x_ldo4_resources, | |
1158 | }, | |
1159 | { | |
1160 | .name = "wm831x-ldo", | |
1161 | .id = 5, | |
1162 | .num_resources = ARRAY_SIZE(wm831x_ldo5_resources), | |
1163 | .resources = wm831x_ldo5_resources, | |
1164 | }, | |
1165 | { | |
1166 | .name = "wm831x-ldo", | |
1167 | .id = 6, | |
1168 | .num_resources = ARRAY_SIZE(wm831x_ldo6_resources), | |
1169 | .resources = wm831x_ldo6_resources, | |
1170 | }, | |
1171 | { | |
1172 | .name = "wm831x-aldo", | |
1173 | .id = 7, | |
1174 | .num_resources = ARRAY_SIZE(wm831x_ldo7_resources), | |
1175 | .resources = wm831x_ldo7_resources, | |
1176 | }, | |
1177 | { | |
1178 | .name = "wm831x-aldo", | |
1179 | .id = 8, | |
1180 | .num_resources = ARRAY_SIZE(wm831x_ldo8_resources), | |
1181 | .resources = wm831x_ldo8_resources, | |
1182 | }, | |
1183 | { | |
1184 | .name = "wm831x-aldo", | |
1185 | .id = 9, | |
1186 | .num_resources = ARRAY_SIZE(wm831x_ldo9_resources), | |
1187 | .resources = wm831x_ldo9_resources, | |
1188 | }, | |
1189 | { | |
1190 | .name = "wm831x-aldo", | |
1191 | .id = 10, | |
1192 | .num_resources = ARRAY_SIZE(wm831x_ldo10_resources), | |
1193 | .resources = wm831x_ldo10_resources, | |
1194 | }, | |
1195 | { | |
1196 | .name = "wm831x-alive-ldo", | |
1197 | .id = 11, | |
1198 | .num_resources = ARRAY_SIZE(wm831x_ldo11_resources), | |
1199 | .resources = wm831x_ldo11_resources, | |
1200 | }, | |
1201 | { | |
1202 | .name = "wm831x-on", | |
1203 | .num_resources = ARRAY_SIZE(wm831x_on_resources), | |
1204 | .resources = wm831x_on_resources, | |
1205 | }, | |
1206 | { | |
1207 | .name = "wm831x-power", | |
1208 | .num_resources = ARRAY_SIZE(wm831x_power_resources), | |
1209 | .resources = wm831x_power_resources, | |
1210 | }, | |
1211 | { | |
1212 | .name = "wm831x-rtc", | |
1213 | .num_resources = ARRAY_SIZE(wm831x_rtc_resources), | |
1214 | .resources = wm831x_rtc_resources, | |
1215 | }, | |
1216 | { | |
1217 | .name = "wm831x-status", | |
1218 | .id = 1, | |
1219 | .num_resources = ARRAY_SIZE(wm831x_status1_resources), | |
1220 | .resources = wm831x_status1_resources, | |
1221 | }, | |
1222 | { | |
1223 | .name = "wm831x-status", | |
1224 | .id = 2, | |
1225 | .num_resources = ARRAY_SIZE(wm831x_status2_resources), | |
1226 | .resources = wm831x_status2_resources, | |
1227 | }, | |
1228 | { | |
1229 | .name = "wm831x-touch", | |
1230 | .num_resources = ARRAY_SIZE(wm831x_touch_resources), | |
1231 | .resources = wm831x_touch_resources, | |
1232 | }, | |
1233 | { | |
1234 | .name = "wm831x-watchdog", | |
1235 | .num_resources = ARRAY_SIZE(wm831x_wdt_resources), | |
1236 | .resources = wm831x_wdt_resources, | |
1237 | }, | |
1238 | }; | |
1239 | ||
63aed85e MB |
1240 | static struct mfd_cell backlight_devs[] = { |
1241 | { | |
1242 | .name = "wm831x-backlight", | |
1243 | }, | |
1244 | }; | |
1245 | ||
d2bedfe7 MB |
1246 | /* |
1247 | * Instantiate the generic non-control parts of the device. | |
1248 | */ | |
1249 | static int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq) | |
1250 | { | |
1251 | struct wm831x_pdata *pdata = wm831x->dev->platform_data; | |
1252 | int rev; | |
1253 | enum wm831x_parent parent; | |
1254 | int ret; | |
1255 | ||
1256 | mutex_init(&wm831x->io_lock); | |
1257 | mutex_init(&wm831x->key_lock); | |
7e9f9fd4 | 1258 | mutex_init(&wm831x->auxadc_lock); |
d2bedfe7 MB |
1259 | dev_set_drvdata(wm831x->dev, wm831x); |
1260 | ||
1261 | ret = wm831x_reg_read(wm831x, WM831X_PARENT_ID); | |
1262 | if (ret < 0) { | |
1263 | dev_err(wm831x->dev, "Failed to read parent ID: %d\n", ret); | |
1264 | goto err; | |
1265 | } | |
1266 | if (ret != 0x6204) { | |
1267 | dev_err(wm831x->dev, "Device is not a WM831x: ID %x\n", ret); | |
1268 | ret = -EINVAL; | |
1269 | goto err; | |
1270 | } | |
1271 | ||
1272 | ret = wm831x_reg_read(wm831x, WM831X_REVISION); | |
1273 | if (ret < 0) { | |
1274 | dev_err(wm831x->dev, "Failed to read revision: %d\n", ret); | |
1275 | goto err; | |
1276 | } | |
1277 | rev = (ret & WM831X_PARENT_REV_MASK) >> WM831X_PARENT_REV_SHIFT; | |
1278 | ||
1279 | ret = wm831x_reg_read(wm831x, WM831X_RESET_ID); | |
1280 | if (ret < 0) { | |
1281 | dev_err(wm831x->dev, "Failed to read device ID: %d\n", ret); | |
1282 | goto err; | |
1283 | } | |
1284 | ||
894362f5 MB |
1285 | /* Some engineering samples do not have the ID set, rely on |
1286 | * the device being registered correctly. | |
1287 | */ | |
1288 | if (ret == 0) { | |
1289 | dev_info(wm831x->dev, "Device is an engineering sample\n"); | |
1290 | ret = id; | |
1291 | } | |
1292 | ||
d2bedfe7 | 1293 | switch (ret) { |
894362f5 | 1294 | case WM8310: |
d2bedfe7 | 1295 | parent = WM8310; |
6f2ecaae | 1296 | wm831x->num_gpio = 16; |
894362f5 | 1297 | dev_info(wm831x->dev, "WM8310 revision %c\n", 'A' + rev); |
d2bedfe7 MB |
1298 | break; |
1299 | ||
894362f5 | 1300 | case WM8311: |
d2bedfe7 | 1301 | parent = WM8311; |
6f2ecaae | 1302 | wm831x->num_gpio = 16; |
894362f5 | 1303 | dev_info(wm831x->dev, "WM8311 revision %c\n", 'A' + rev); |
d2bedfe7 MB |
1304 | break; |
1305 | ||
894362f5 | 1306 | case WM8312: |
d2bedfe7 | 1307 | parent = WM8312; |
6f2ecaae | 1308 | wm831x->num_gpio = 16; |
894362f5 | 1309 | dev_info(wm831x->dev, "WM8312 revision %c\n", 'A' + rev); |
d2bedfe7 MB |
1310 | break; |
1311 | ||
1312 | default: | |
1313 | dev_err(wm831x->dev, "Unknown WM831x device %04x\n", ret); | |
1314 | ret = -EINVAL; | |
1315 | goto err; | |
1316 | } | |
1317 | ||
1318 | /* This will need revisiting in future but is OK for all | |
1319 | * current parts. | |
1320 | */ | |
1321 | if (parent != id) | |
894362f5 | 1322 | dev_warn(wm831x->dev, "Device was registered as a WM%lx\n", |
d2bedfe7 MB |
1323 | id); |
1324 | ||
1325 | /* Bootstrap the user key */ | |
1326 | ret = wm831x_reg_read(wm831x, WM831X_SECURITY_KEY); | |
1327 | if (ret < 0) { | |
1328 | dev_err(wm831x->dev, "Failed to read security key: %d\n", ret); | |
1329 | goto err; | |
1330 | } | |
1331 | if (ret != 0) { | |
1332 | dev_warn(wm831x->dev, "Security key had non-zero value %x\n", | |
1333 | ret); | |
1334 | wm831x_reg_write(wm831x, WM831X_SECURITY_KEY, 0); | |
1335 | } | |
1336 | wm831x->locked = 1; | |
1337 | ||
1338 | if (pdata && pdata->pre_init) { | |
1339 | ret = pdata->pre_init(wm831x); | |
1340 | if (ret != 0) { | |
1341 | dev_err(wm831x->dev, "pre_init() failed: %d\n", ret); | |
1342 | goto err; | |
1343 | } | |
1344 | } | |
1345 | ||
7d4d0a3e MB |
1346 | ret = wm831x_irq_init(wm831x, irq); |
1347 | if (ret != 0) | |
1348 | goto err; | |
1349 | ||
d2bedfe7 MB |
1350 | /* The core device is up, instantiate the subdevices. */ |
1351 | switch (parent) { | |
1352 | case WM8310: | |
1353 | ret = mfd_add_devices(wm831x->dev, -1, | |
1354 | wm8310_devs, ARRAY_SIZE(wm8310_devs), | |
1355 | NULL, 0); | |
1356 | break; | |
1357 | ||
1358 | case WM8311: | |
1359 | ret = mfd_add_devices(wm831x->dev, -1, | |
1360 | wm8311_devs, ARRAY_SIZE(wm8311_devs), | |
1361 | NULL, 0); | |
1362 | break; | |
1363 | ||
1364 | case WM8312: | |
1365 | ret = mfd_add_devices(wm831x->dev, -1, | |
1366 | wm8312_devs, ARRAY_SIZE(wm8312_devs), | |
1367 | NULL, 0); | |
1368 | break; | |
1369 | ||
1370 | default: | |
1371 | /* If this happens the bus probe function is buggy */ | |
1372 | BUG(); | |
1373 | } | |
1374 | ||
1375 | if (ret != 0) { | |
1376 | dev_err(wm831x->dev, "Failed to add children\n"); | |
7d4d0a3e | 1377 | goto err_irq; |
d2bedfe7 MB |
1378 | } |
1379 | ||
63aed85e MB |
1380 | if (pdata && pdata->backlight) { |
1381 | /* Treat errors as non-critical */ | |
1382 | ret = mfd_add_devices(wm831x->dev, -1, backlight_devs, | |
1383 | ARRAY_SIZE(backlight_devs), NULL, 0); | |
1384 | if (ret < 0) | |
1385 | dev_err(wm831x->dev, "Failed to add backlight: %d\n", | |
1386 | ret); | |
1387 | } | |
1388 | ||
6704e517 MB |
1389 | wm831x_otp_init(wm831x); |
1390 | ||
d2bedfe7 MB |
1391 | if (pdata && pdata->post_init) { |
1392 | ret = pdata->post_init(wm831x); | |
1393 | if (ret != 0) { | |
1394 | dev_err(wm831x->dev, "post_init() failed: %d\n", ret); | |
7d4d0a3e | 1395 | goto err_irq; |
d2bedfe7 MB |
1396 | } |
1397 | } | |
1398 | ||
1399 | return 0; | |
1400 | ||
7d4d0a3e MB |
1401 | err_irq: |
1402 | wm831x_irq_exit(wm831x); | |
d2bedfe7 MB |
1403 | err: |
1404 | mfd_remove_devices(wm831x->dev); | |
1405 | kfree(wm831x); | |
1406 | return ret; | |
1407 | } | |
1408 | ||
1409 | static void wm831x_device_exit(struct wm831x *wm831x) | |
1410 | { | |
6704e517 | 1411 | wm831x_otp_exit(wm831x); |
d2bedfe7 | 1412 | mfd_remove_devices(wm831x->dev); |
7d4d0a3e | 1413 | wm831x_irq_exit(wm831x); |
d2bedfe7 MB |
1414 | kfree(wm831x); |
1415 | } | |
1416 | ||
1417 | static int wm831x_i2c_read_device(struct wm831x *wm831x, unsigned short reg, | |
1418 | int bytes, void *dest) | |
1419 | { | |
1420 | struct i2c_client *i2c = wm831x->control_data; | |
1421 | int ret; | |
1422 | u16 r = cpu_to_be16(reg); | |
1423 | ||
1424 | ret = i2c_master_send(i2c, (unsigned char *)&r, 2); | |
1425 | if (ret < 0) | |
1426 | return ret; | |
1427 | if (ret != 2) | |
1428 | return -EIO; | |
1429 | ||
1430 | ret = i2c_master_recv(i2c, dest, bytes); | |
1431 | if (ret < 0) | |
1432 | return ret; | |
1433 | if (ret != bytes) | |
1434 | return -EIO; | |
1435 | return 0; | |
1436 | } | |
1437 | ||
1438 | /* Currently we allocate the write buffer on the stack; this is OK for | |
1439 | * small writes - if we need to do large writes this will need to be | |
1440 | * revised. | |
1441 | */ | |
1442 | static int wm831x_i2c_write_device(struct wm831x *wm831x, unsigned short reg, | |
1443 | int bytes, void *src) | |
1444 | { | |
1445 | struct i2c_client *i2c = wm831x->control_data; | |
1446 | unsigned char msg[bytes + 2]; | |
1447 | int ret; | |
1448 | ||
1449 | reg = cpu_to_be16(reg); | |
1450 | memcpy(&msg[0], ®, 2); | |
1451 | memcpy(&msg[2], src, bytes); | |
1452 | ||
1453 | ret = i2c_master_send(i2c, msg, bytes + 2); | |
1454 | if (ret < 0) | |
1455 | return ret; | |
1456 | if (ret < bytes + 2) | |
1457 | return -EIO; | |
1458 | ||
1459 | return 0; | |
1460 | } | |
1461 | ||
1462 | static int wm831x_i2c_probe(struct i2c_client *i2c, | |
1463 | const struct i2c_device_id *id) | |
1464 | { | |
1465 | struct wm831x *wm831x; | |
1466 | ||
1467 | wm831x = kzalloc(sizeof(struct wm831x), GFP_KERNEL); | |
1468 | if (wm831x == NULL) { | |
1469 | kfree(i2c); | |
1470 | return -ENOMEM; | |
1471 | } | |
1472 | ||
1473 | i2c_set_clientdata(i2c, wm831x); | |
1474 | wm831x->dev = &i2c->dev; | |
1475 | wm831x->control_data = i2c; | |
1476 | wm831x->read_dev = wm831x_i2c_read_device; | |
1477 | wm831x->write_dev = wm831x_i2c_write_device; | |
1478 | ||
1479 | return wm831x_device_init(wm831x, id->driver_data, i2c->irq); | |
1480 | } | |
1481 | ||
1482 | static int wm831x_i2c_remove(struct i2c_client *i2c) | |
1483 | { | |
1484 | struct wm831x *wm831x = i2c_get_clientdata(i2c); | |
1485 | ||
1486 | wm831x_device_exit(wm831x); | |
1487 | ||
1488 | return 0; | |
1489 | } | |
1490 | ||
1491 | static const struct i2c_device_id wm831x_i2c_id[] = { | |
1492 | { "wm8310", WM8310 }, | |
1493 | { "wm8311", WM8311 }, | |
1494 | { "wm8312", WM8312 }, | |
1495 | { } | |
1496 | }; | |
1497 | MODULE_DEVICE_TABLE(i2c, wm831x_i2c_id); | |
1498 | ||
1499 | ||
1500 | static struct i2c_driver wm831x_i2c_driver = { | |
1501 | .driver = { | |
1502 | .name = "wm831x", | |
1503 | .owner = THIS_MODULE, | |
1504 | }, | |
1505 | .probe = wm831x_i2c_probe, | |
1506 | .remove = wm831x_i2c_remove, | |
1507 | .id_table = wm831x_i2c_id, | |
1508 | }; | |
1509 | ||
1510 | static int __init wm831x_i2c_init(void) | |
1511 | { | |
1512 | int ret; | |
1513 | ||
1514 | ret = i2c_add_driver(&wm831x_i2c_driver); | |
1515 | if (ret != 0) | |
1516 | pr_err("Failed to register wm831x I2C driver: %d\n", ret); | |
1517 | ||
1518 | return ret; | |
1519 | } | |
1520 | subsys_initcall(wm831x_i2c_init); | |
1521 | ||
1522 | static void __exit wm831x_i2c_exit(void) | |
1523 | { | |
1524 | i2c_del_driver(&wm831x_i2c_driver); | |
1525 | } | |
1526 | module_exit(wm831x_i2c_exit); | |
1527 | ||
1528 | MODULE_DESCRIPTION("I2C support for the WM831X AudioPlus PMIC"); | |
1529 | MODULE_LICENSE("GPL"); | |
1530 | MODULE_AUTHOR("Mark Brown"); |