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d2bedfe7 MB |
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> | |
7e9f9fd4 MB |
18 | #include <linux/bcd.h> |
19 | #include <linux/delay.h> | |
d2bedfe7 MB |
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> |
698659d5 MB |
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); | |
d2bedfe7 MB |
91 | |
92 | enum wm831x_parent { | |
894362f5 MB |
93 | WM8310 = 0x8310, |
94 | WM8311 = 0x8311, | |
95 | WM8312 = 0x8312, | |
d4e0a89e | 96 | WM8320 = 0x8320, |
d2bedfe7 MB |
97 | }; |
98 | ||
99 | static int wm831x_reg_locked(struct wm831x *wm831x, unsigned short reg) | |
100 | { | |
101 | if (!wm831x->locked) | |
102 | return 0; | |
103 | ||
104 | switch (reg) { | |
105 | case WM831X_WATCHDOG: | |
106 | case WM831X_DC4_CONTROL: | |
107 | case WM831X_ON_PIN_CONTROL: | |
108 | case WM831X_BACKUP_CHARGER_CONTROL: | |
109 | case WM831X_CHARGER_CONTROL_1: | |
110 | case WM831X_CHARGER_CONTROL_2: | |
111 | return 1; | |
112 | ||
113 | default: | |
114 | return 0; | |
115 | } | |
116 | } | |
117 | ||
118 | /** | |
119 | * wm831x_reg_unlock: Unlock user keyed registers | |
120 | * | |
121 | * The WM831x has a user key preventing writes to particularly | |
122 | * critical registers. This function locks those registers, | |
123 | * allowing writes to them. | |
124 | */ | |
125 | void wm831x_reg_lock(struct wm831x *wm831x) | |
126 | { | |
127 | int ret; | |
128 | ||
129 | ret = wm831x_reg_write(wm831x, WM831X_SECURITY_KEY, 0); | |
130 | if (ret == 0) { | |
131 | dev_vdbg(wm831x->dev, "Registers locked\n"); | |
132 | ||
133 | mutex_lock(&wm831x->io_lock); | |
134 | WARN_ON(wm831x->locked); | |
135 | wm831x->locked = 1; | |
136 | mutex_unlock(&wm831x->io_lock); | |
137 | } else { | |
138 | dev_err(wm831x->dev, "Failed to lock registers: %d\n", ret); | |
139 | } | |
140 | ||
141 | } | |
142 | EXPORT_SYMBOL_GPL(wm831x_reg_lock); | |
143 | ||
144 | /** | |
145 | * wm831x_reg_unlock: Unlock user keyed registers | |
146 | * | |
147 | * The WM831x has a user key preventing writes to particularly | |
148 | * critical registers. This function locks those registers, | |
149 | * preventing spurious writes. | |
150 | */ | |
151 | int wm831x_reg_unlock(struct wm831x *wm831x) | |
152 | { | |
153 | int ret; | |
154 | ||
155 | /* 0x9716 is the value required to unlock the registers */ | |
156 | ret = wm831x_reg_write(wm831x, WM831X_SECURITY_KEY, 0x9716); | |
157 | if (ret == 0) { | |
158 | dev_vdbg(wm831x->dev, "Registers unlocked\n"); | |
159 | ||
160 | mutex_lock(&wm831x->io_lock); | |
161 | WARN_ON(!wm831x->locked); | |
162 | wm831x->locked = 0; | |
163 | mutex_unlock(&wm831x->io_lock); | |
164 | } | |
165 | ||
166 | return ret; | |
167 | } | |
168 | EXPORT_SYMBOL_GPL(wm831x_reg_unlock); | |
169 | ||
170 | static int wm831x_read(struct wm831x *wm831x, unsigned short reg, | |
171 | int bytes, void *dest) | |
172 | { | |
173 | int ret, i; | |
174 | u16 *buf = dest; | |
175 | ||
176 | BUG_ON(bytes % 2); | |
177 | BUG_ON(bytes <= 0); | |
178 | ||
179 | ret = wm831x->read_dev(wm831x, reg, bytes, dest); | |
180 | if (ret < 0) | |
181 | return ret; | |
182 | ||
183 | for (i = 0; i < bytes / 2; i++) { | |
184 | buf[i] = be16_to_cpu(buf[i]); | |
185 | ||
186 | dev_vdbg(wm831x->dev, "Read %04x from R%d(0x%x)\n", | |
187 | buf[i], reg + i, reg + i); | |
188 | } | |
189 | ||
190 | return 0; | |
191 | } | |
192 | ||
193 | /** | |
194 | * wm831x_reg_read: Read a single WM831x register. | |
195 | * | |
196 | * @wm831x: Device to read from. | |
197 | * @reg: Register to read. | |
198 | */ | |
199 | int wm831x_reg_read(struct wm831x *wm831x, unsigned short reg) | |
200 | { | |
201 | unsigned short val; | |
202 | int ret; | |
203 | ||
204 | mutex_lock(&wm831x->io_lock); | |
205 | ||
206 | ret = wm831x_read(wm831x, reg, 2, &val); | |
207 | ||
208 | mutex_unlock(&wm831x->io_lock); | |
209 | ||
210 | if (ret < 0) | |
211 | return ret; | |
212 | else | |
213 | return val; | |
214 | } | |
215 | EXPORT_SYMBOL_GPL(wm831x_reg_read); | |
216 | ||
217 | /** | |
218 | * wm831x_bulk_read: Read multiple WM831x registers | |
219 | * | |
220 | * @wm831x: Device to read from | |
221 | * @reg: First register | |
222 | * @count: Number of registers | |
223 | * @buf: Buffer to fill. | |
224 | */ | |
225 | int wm831x_bulk_read(struct wm831x *wm831x, unsigned short reg, | |
226 | int count, u16 *buf) | |
227 | { | |
228 | int ret; | |
229 | ||
230 | mutex_lock(&wm831x->io_lock); | |
231 | ||
232 | ret = wm831x_read(wm831x, reg, count * 2, buf); | |
233 | ||
234 | mutex_unlock(&wm831x->io_lock); | |
235 | ||
236 | return ret; | |
237 | } | |
238 | EXPORT_SYMBOL_GPL(wm831x_bulk_read); | |
239 | ||
240 | static int wm831x_write(struct wm831x *wm831x, unsigned short reg, | |
241 | int bytes, void *src) | |
242 | { | |
243 | u16 *buf = src; | |
244 | int i; | |
245 | ||
246 | BUG_ON(bytes % 2); | |
247 | BUG_ON(bytes <= 0); | |
248 | ||
249 | for (i = 0; i < bytes / 2; i++) { | |
250 | if (wm831x_reg_locked(wm831x, reg)) | |
251 | return -EPERM; | |
252 | ||
253 | dev_vdbg(wm831x->dev, "Write %04x to R%d(0x%x)\n", | |
254 | buf[i], reg + i, reg + i); | |
255 | ||
256 | buf[i] = cpu_to_be16(buf[i]); | |
257 | } | |
258 | ||
259 | return wm831x->write_dev(wm831x, reg, bytes, src); | |
260 | } | |
261 | ||
262 | /** | |
263 | * wm831x_reg_write: Write a single WM831x register. | |
264 | * | |
265 | * @wm831x: Device to write to. | |
266 | * @reg: Register to write to. | |
267 | * @val: Value to write. | |
268 | */ | |
269 | int wm831x_reg_write(struct wm831x *wm831x, unsigned short reg, | |
270 | unsigned short val) | |
271 | { | |
272 | int ret; | |
273 | ||
274 | mutex_lock(&wm831x->io_lock); | |
275 | ||
276 | ret = wm831x_write(wm831x, reg, 2, &val); | |
277 | ||
278 | mutex_unlock(&wm831x->io_lock); | |
279 | ||
280 | return ret; | |
281 | } | |
282 | EXPORT_SYMBOL_GPL(wm831x_reg_write); | |
283 | ||
284 | /** | |
285 | * wm831x_set_bits: Set the value of a bitfield in a WM831x register | |
286 | * | |
287 | * @wm831x: Device to write to. | |
288 | * @reg: Register to write to. | |
289 | * @mask: Mask of bits to set. | |
290 | * @val: Value to set (unshifted) | |
291 | */ | |
292 | int wm831x_set_bits(struct wm831x *wm831x, unsigned short reg, | |
293 | unsigned short mask, unsigned short val) | |
294 | { | |
295 | int ret; | |
296 | u16 r; | |
297 | ||
298 | mutex_lock(&wm831x->io_lock); | |
299 | ||
300 | ret = wm831x_read(wm831x, reg, 2, &r); | |
301 | if (ret < 0) | |
302 | goto out; | |
303 | ||
304 | r &= ~mask; | |
305 | r |= val; | |
306 | ||
307 | ret = wm831x_write(wm831x, reg, 2, &r); | |
308 | ||
309 | out: | |
310 | mutex_unlock(&wm831x->io_lock); | |
311 | ||
312 | return ret; | |
313 | } | |
314 | EXPORT_SYMBOL_GPL(wm831x_set_bits); | |
315 | ||
7e9f9fd4 MB |
316 | /** |
317 | * wm831x_auxadc_read: Read a value from the WM831x AUXADC | |
318 | * | |
319 | * @wm831x: Device to read from. | |
320 | * @input: AUXADC input to read. | |
321 | */ | |
322 | int wm831x_auxadc_read(struct wm831x *wm831x, enum wm831x_auxadc input) | |
323 | { | |
7e9f9fd4 MB |
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 | ||
473fe736 MB |
351 | /* Ignore the result to allow us to soldier on without IRQ hookup */ |
352 | wait_for_completion_timeout(&wm831x->auxadc_done, msecs_to_jiffies(5)); | |
7e9f9fd4 | 353 | |
473fe736 MB |
354 | ret = wm831x_reg_read(wm831x, WM831X_AUXADC_CONTROL); |
355 | if (ret < 0) { | |
356 | dev_err(wm831x->dev, "AUXADC status read failed: %d\n", ret); | |
357 | goto disable; | |
358 | } | |
7e9f9fd4 MB |
359 | |
360 | if (ret & WM831X_AUX_CVT_ENA) { | |
361 | dev_err(wm831x->dev, "Timed out reading AUXADC\n"); | |
362 | ret = -EBUSY; | |
363 | goto disable; | |
364 | } | |
365 | ||
366 | ret = wm831x_reg_read(wm831x, WM831X_AUXADC_DATA); | |
367 | if (ret < 0) { | |
368 | dev_err(wm831x->dev, "Failed to read AUXADC data: %d\n", ret); | |
369 | } else { | |
370 | src = ((ret & WM831X_AUX_DATA_SRC_MASK) | |
371 | >> WM831X_AUX_DATA_SRC_SHIFT) - 1; | |
372 | ||
373 | if (src == 14) | |
374 | src = WM831X_AUX_CAL; | |
375 | ||
376 | if (src != input) { | |
377 | dev_err(wm831x->dev, "Data from source %d not %d\n", | |
378 | src, input); | |
379 | ret = -EINVAL; | |
380 | } else { | |
381 | ret &= WM831X_AUX_DATA_MASK; | |
382 | } | |
383 | } | |
384 | ||
385 | disable: | |
386 | wm831x_set_bits(wm831x, WM831X_AUXADC_CONTROL, WM831X_AUX_ENA, 0); | |
387 | out: | |
388 | mutex_unlock(&wm831x->auxadc_lock); | |
389 | return ret; | |
390 | } | |
391 | EXPORT_SYMBOL_GPL(wm831x_auxadc_read); | |
392 | ||
473fe736 MB |
393 | static irqreturn_t wm831x_auxadc_irq(int irq, void *irq_data) |
394 | { | |
395 | struct wm831x *wm831x = irq_data; | |
396 | ||
397 | complete(&wm831x->auxadc_done); | |
398 | ||
399 | return IRQ_HANDLED; | |
400 | } | |
401 | ||
7e9f9fd4 MB |
402 | /** |
403 | * wm831x_auxadc_read_uv: Read a voltage from the WM831x AUXADC | |
404 | * | |
405 | * @wm831x: Device to read from. | |
406 | * @input: AUXADC input to read. | |
407 | */ | |
408 | int wm831x_auxadc_read_uv(struct wm831x *wm831x, enum wm831x_auxadc input) | |
409 | { | |
410 | int ret; | |
411 | ||
412 | ret = wm831x_auxadc_read(wm831x, input); | |
413 | if (ret < 0) | |
414 | return ret; | |
415 | ||
416 | ret *= 1465; | |
417 | ||
418 | return ret; | |
419 | } | |
420 | EXPORT_SYMBOL_GPL(wm831x_auxadc_read_uv); | |
421 | ||
d2bedfe7 MB |
422 | static struct resource wm831x_dcdc1_resources[] = { |
423 | { | |
424 | .start = WM831X_DC1_CONTROL_1, | |
425 | .end = WM831X_DC1_DVS_CONTROL, | |
426 | .flags = IORESOURCE_IO, | |
427 | }, | |
428 | { | |
429 | .name = "UV", | |
430 | .start = WM831X_IRQ_UV_DC1, | |
431 | .end = WM831X_IRQ_UV_DC1, | |
432 | .flags = IORESOURCE_IRQ, | |
433 | }, | |
434 | { | |
435 | .name = "HC", | |
436 | .start = WM831X_IRQ_HC_DC1, | |
437 | .end = WM831X_IRQ_HC_DC1, | |
438 | .flags = IORESOURCE_IRQ, | |
439 | }, | |
440 | }; | |
441 | ||
442 | ||
443 | static struct resource wm831x_dcdc2_resources[] = { | |
444 | { | |
445 | .start = WM831X_DC2_CONTROL_1, | |
446 | .end = WM831X_DC2_DVS_CONTROL, | |
447 | .flags = IORESOURCE_IO, | |
448 | }, | |
449 | { | |
450 | .name = "UV", | |
451 | .start = WM831X_IRQ_UV_DC2, | |
452 | .end = WM831X_IRQ_UV_DC2, | |
453 | .flags = IORESOURCE_IRQ, | |
454 | }, | |
455 | { | |
456 | .name = "HC", | |
457 | .start = WM831X_IRQ_HC_DC2, | |
458 | .end = WM831X_IRQ_HC_DC2, | |
459 | .flags = IORESOURCE_IRQ, | |
460 | }, | |
461 | }; | |
462 | ||
463 | static struct resource wm831x_dcdc3_resources[] = { | |
464 | { | |
465 | .start = WM831X_DC3_CONTROL_1, | |
466 | .end = WM831X_DC3_SLEEP_CONTROL, | |
467 | .flags = IORESOURCE_IO, | |
468 | }, | |
469 | { | |
470 | .name = "UV", | |
471 | .start = WM831X_IRQ_UV_DC3, | |
472 | .end = WM831X_IRQ_UV_DC3, | |
473 | .flags = IORESOURCE_IRQ, | |
474 | }, | |
475 | }; | |
476 | ||
477 | static struct resource wm831x_dcdc4_resources[] = { | |
478 | { | |
479 | .start = WM831X_DC4_CONTROL, | |
480 | .end = WM831X_DC4_SLEEP_CONTROL, | |
481 | .flags = IORESOURCE_IO, | |
482 | }, | |
483 | { | |
484 | .name = "UV", | |
485 | .start = WM831X_IRQ_UV_DC4, | |
486 | .end = WM831X_IRQ_UV_DC4, | |
487 | .flags = IORESOURCE_IRQ, | |
488 | }, | |
489 | }; | |
490 | ||
d4e0a89e MB |
491 | static struct resource wm8320_dcdc4_buck_resources[] = { |
492 | { | |
493 | .start = WM831X_DC4_CONTROL, | |
494 | .end = WM832X_DC4_SLEEP_CONTROL, | |
495 | .flags = IORESOURCE_IO, | |
496 | }, | |
497 | { | |
498 | .name = "UV", | |
499 | .start = WM831X_IRQ_UV_DC4, | |
500 | .end = WM831X_IRQ_UV_DC4, | |
501 | .flags = IORESOURCE_IRQ, | |
502 | }, | |
503 | }; | |
504 | ||
d2bedfe7 MB |
505 | static struct resource wm831x_gpio_resources[] = { |
506 | { | |
507 | .start = WM831X_IRQ_GPIO_1, | |
508 | .end = WM831X_IRQ_GPIO_16, | |
509 | .flags = IORESOURCE_IRQ, | |
510 | }, | |
511 | }; | |
512 | ||
513 | static struct resource wm831x_isink1_resources[] = { | |
514 | { | |
515 | .start = WM831X_CURRENT_SINK_1, | |
516 | .end = WM831X_CURRENT_SINK_1, | |
517 | .flags = IORESOURCE_IO, | |
518 | }, | |
519 | { | |
520 | .start = WM831X_IRQ_CS1, | |
521 | .end = WM831X_IRQ_CS1, | |
522 | .flags = IORESOURCE_IRQ, | |
523 | }, | |
524 | }; | |
525 | ||
526 | static struct resource wm831x_isink2_resources[] = { | |
527 | { | |
528 | .start = WM831X_CURRENT_SINK_2, | |
529 | .end = WM831X_CURRENT_SINK_2, | |
530 | .flags = IORESOURCE_IO, | |
531 | }, | |
532 | { | |
533 | .start = WM831X_IRQ_CS2, | |
534 | .end = WM831X_IRQ_CS2, | |
535 | .flags = IORESOURCE_IRQ, | |
536 | }, | |
537 | }; | |
538 | ||
539 | static struct resource wm831x_ldo1_resources[] = { | |
540 | { | |
541 | .start = WM831X_LDO1_CONTROL, | |
542 | .end = WM831X_LDO1_SLEEP_CONTROL, | |
543 | .flags = IORESOURCE_IO, | |
544 | }, | |
545 | { | |
546 | .name = "UV", | |
547 | .start = WM831X_IRQ_UV_LDO1, | |
548 | .end = WM831X_IRQ_UV_LDO1, | |
549 | .flags = IORESOURCE_IRQ, | |
550 | }, | |
551 | }; | |
552 | ||
553 | static struct resource wm831x_ldo2_resources[] = { | |
554 | { | |
555 | .start = WM831X_LDO2_CONTROL, | |
556 | .end = WM831X_LDO2_SLEEP_CONTROL, | |
557 | .flags = IORESOURCE_IO, | |
558 | }, | |
559 | { | |
560 | .name = "UV", | |
561 | .start = WM831X_IRQ_UV_LDO2, | |
562 | .end = WM831X_IRQ_UV_LDO2, | |
563 | .flags = IORESOURCE_IRQ, | |
564 | }, | |
565 | }; | |
566 | ||
567 | static struct resource wm831x_ldo3_resources[] = { | |
568 | { | |
569 | .start = WM831X_LDO3_CONTROL, | |
570 | .end = WM831X_LDO3_SLEEP_CONTROL, | |
571 | .flags = IORESOURCE_IO, | |
572 | }, | |
573 | { | |
574 | .name = "UV", | |
575 | .start = WM831X_IRQ_UV_LDO3, | |
576 | .end = WM831X_IRQ_UV_LDO3, | |
577 | .flags = IORESOURCE_IRQ, | |
578 | }, | |
579 | }; | |
580 | ||
581 | static struct resource wm831x_ldo4_resources[] = { | |
582 | { | |
583 | .start = WM831X_LDO4_CONTROL, | |
584 | .end = WM831X_LDO4_SLEEP_CONTROL, | |
585 | .flags = IORESOURCE_IO, | |
586 | }, | |
587 | { | |
588 | .name = "UV", | |
589 | .start = WM831X_IRQ_UV_LDO4, | |
590 | .end = WM831X_IRQ_UV_LDO4, | |
591 | .flags = IORESOURCE_IRQ, | |
592 | }, | |
593 | }; | |
594 | ||
595 | static struct resource wm831x_ldo5_resources[] = { | |
596 | { | |
597 | .start = WM831X_LDO5_CONTROL, | |
598 | .end = WM831X_LDO5_SLEEP_CONTROL, | |
599 | .flags = IORESOURCE_IO, | |
600 | }, | |
601 | { | |
602 | .name = "UV", | |
603 | .start = WM831X_IRQ_UV_LDO5, | |
604 | .end = WM831X_IRQ_UV_LDO5, | |
605 | .flags = IORESOURCE_IRQ, | |
606 | }, | |
607 | }; | |
608 | ||
609 | static struct resource wm831x_ldo6_resources[] = { | |
610 | { | |
611 | .start = WM831X_LDO6_CONTROL, | |
612 | .end = WM831X_LDO6_SLEEP_CONTROL, | |
613 | .flags = IORESOURCE_IO, | |
614 | }, | |
615 | { | |
616 | .name = "UV", | |
617 | .start = WM831X_IRQ_UV_LDO6, | |
618 | .end = WM831X_IRQ_UV_LDO6, | |
619 | .flags = IORESOURCE_IRQ, | |
620 | }, | |
621 | }; | |
622 | ||
623 | static struct resource wm831x_ldo7_resources[] = { | |
624 | { | |
625 | .start = WM831X_LDO7_CONTROL, | |
626 | .end = WM831X_LDO7_SLEEP_CONTROL, | |
627 | .flags = IORESOURCE_IO, | |
628 | }, | |
629 | { | |
630 | .name = "UV", | |
631 | .start = WM831X_IRQ_UV_LDO7, | |
632 | .end = WM831X_IRQ_UV_LDO7, | |
633 | .flags = IORESOURCE_IRQ, | |
634 | }, | |
635 | }; | |
636 | ||
637 | static struct resource wm831x_ldo8_resources[] = { | |
638 | { | |
639 | .start = WM831X_LDO8_CONTROL, | |
640 | .end = WM831X_LDO8_SLEEP_CONTROL, | |
641 | .flags = IORESOURCE_IO, | |
642 | }, | |
643 | { | |
644 | .name = "UV", | |
645 | .start = WM831X_IRQ_UV_LDO8, | |
646 | .end = WM831X_IRQ_UV_LDO8, | |
647 | .flags = IORESOURCE_IRQ, | |
648 | }, | |
649 | }; | |
650 | ||
651 | static struct resource wm831x_ldo9_resources[] = { | |
652 | { | |
653 | .start = WM831X_LDO9_CONTROL, | |
654 | .end = WM831X_LDO9_SLEEP_CONTROL, | |
655 | .flags = IORESOURCE_IO, | |
656 | }, | |
657 | { | |
658 | .name = "UV", | |
659 | .start = WM831X_IRQ_UV_LDO9, | |
660 | .end = WM831X_IRQ_UV_LDO9, | |
661 | .flags = IORESOURCE_IRQ, | |
662 | }, | |
663 | }; | |
664 | ||
665 | static struct resource wm831x_ldo10_resources[] = { | |
666 | { | |
667 | .start = WM831X_LDO10_CONTROL, | |
668 | .end = WM831X_LDO10_SLEEP_CONTROL, | |
669 | .flags = IORESOURCE_IO, | |
670 | }, | |
671 | { | |
672 | .name = "UV", | |
673 | .start = WM831X_IRQ_UV_LDO10, | |
674 | .end = WM831X_IRQ_UV_LDO10, | |
675 | .flags = IORESOURCE_IRQ, | |
676 | }, | |
677 | }; | |
678 | ||
679 | static struct resource wm831x_ldo11_resources[] = { | |
680 | { | |
681 | .start = WM831X_LDO11_ON_CONTROL, | |
682 | .end = WM831X_LDO11_SLEEP_CONTROL, | |
683 | .flags = IORESOURCE_IO, | |
684 | }, | |
685 | }; | |
686 | ||
687 | static struct resource wm831x_on_resources[] = { | |
688 | { | |
689 | .start = WM831X_IRQ_ON, | |
690 | .end = WM831X_IRQ_ON, | |
691 | .flags = IORESOURCE_IRQ, | |
692 | }, | |
693 | }; | |
694 | ||
695 | ||
696 | static struct resource wm831x_power_resources[] = { | |
697 | { | |
698 | .name = "SYSLO", | |
699 | .start = WM831X_IRQ_PPM_SYSLO, | |
700 | .end = WM831X_IRQ_PPM_SYSLO, | |
701 | .flags = IORESOURCE_IRQ, | |
702 | }, | |
703 | { | |
704 | .name = "PWR SRC", | |
705 | .start = WM831X_IRQ_PPM_PWR_SRC, | |
706 | .end = WM831X_IRQ_PPM_PWR_SRC, | |
707 | .flags = IORESOURCE_IRQ, | |
708 | }, | |
709 | { | |
710 | .name = "USB CURR", | |
711 | .start = WM831X_IRQ_PPM_USB_CURR, | |
712 | .end = WM831X_IRQ_PPM_USB_CURR, | |
713 | .flags = IORESOURCE_IRQ, | |
714 | }, | |
715 | { | |
716 | .name = "BATT HOT", | |
717 | .start = WM831X_IRQ_CHG_BATT_HOT, | |
718 | .end = WM831X_IRQ_CHG_BATT_HOT, | |
719 | .flags = IORESOURCE_IRQ, | |
720 | }, | |
721 | { | |
722 | .name = "BATT COLD", | |
723 | .start = WM831X_IRQ_CHG_BATT_COLD, | |
724 | .end = WM831X_IRQ_CHG_BATT_COLD, | |
725 | .flags = IORESOURCE_IRQ, | |
726 | }, | |
727 | { | |
728 | .name = "BATT FAIL", | |
729 | .start = WM831X_IRQ_CHG_BATT_FAIL, | |
730 | .end = WM831X_IRQ_CHG_BATT_FAIL, | |
731 | .flags = IORESOURCE_IRQ, | |
732 | }, | |
733 | { | |
734 | .name = "OV", | |
735 | .start = WM831X_IRQ_CHG_OV, | |
736 | .end = WM831X_IRQ_CHG_OV, | |
737 | .flags = IORESOURCE_IRQ, | |
738 | }, | |
739 | { | |
740 | .name = "END", | |
741 | .start = WM831X_IRQ_CHG_END, | |
742 | .end = WM831X_IRQ_CHG_END, | |
743 | .flags = IORESOURCE_IRQ, | |
744 | }, | |
745 | { | |
746 | .name = "TO", | |
747 | .start = WM831X_IRQ_CHG_TO, | |
748 | .end = WM831X_IRQ_CHG_TO, | |
749 | .flags = IORESOURCE_IRQ, | |
750 | }, | |
751 | { | |
752 | .name = "MODE", | |
753 | .start = WM831X_IRQ_CHG_MODE, | |
754 | .end = WM831X_IRQ_CHG_MODE, | |
755 | .flags = IORESOURCE_IRQ, | |
756 | }, | |
757 | { | |
758 | .name = "START", | |
759 | .start = WM831X_IRQ_CHG_START, | |
760 | .end = WM831X_IRQ_CHG_START, | |
761 | .flags = IORESOURCE_IRQ, | |
762 | }, | |
763 | }; | |
764 | ||
765 | static struct resource wm831x_rtc_resources[] = { | |
766 | { | |
767 | .name = "PER", | |
768 | .start = WM831X_IRQ_RTC_PER, | |
769 | .end = WM831X_IRQ_RTC_PER, | |
770 | .flags = IORESOURCE_IRQ, | |
771 | }, | |
772 | { | |
773 | .name = "ALM", | |
774 | .start = WM831X_IRQ_RTC_ALM, | |
775 | .end = WM831X_IRQ_RTC_ALM, | |
776 | .flags = IORESOURCE_IRQ, | |
777 | }, | |
778 | }; | |
779 | ||
780 | static struct resource wm831x_status1_resources[] = { | |
781 | { | |
782 | .start = WM831X_STATUS_LED_1, | |
783 | .end = WM831X_STATUS_LED_1, | |
784 | .flags = IORESOURCE_IO, | |
785 | }, | |
786 | }; | |
787 | ||
788 | static struct resource wm831x_status2_resources[] = { | |
789 | { | |
790 | .start = WM831X_STATUS_LED_2, | |
791 | .end = WM831X_STATUS_LED_2, | |
792 | .flags = IORESOURCE_IO, | |
793 | }, | |
794 | }; | |
795 | ||
796 | static struct resource wm831x_touch_resources[] = { | |
797 | { | |
798 | .name = "TCHPD", | |
799 | .start = WM831X_IRQ_TCHPD, | |
800 | .end = WM831X_IRQ_TCHPD, | |
801 | .flags = IORESOURCE_IRQ, | |
802 | }, | |
803 | { | |
804 | .name = "TCHDATA", | |
805 | .start = WM831X_IRQ_TCHDATA, | |
806 | .end = WM831X_IRQ_TCHDATA, | |
807 | .flags = IORESOURCE_IRQ, | |
808 | }, | |
809 | }; | |
810 | ||
811 | static struct resource wm831x_wdt_resources[] = { | |
812 | { | |
813 | .start = WM831X_IRQ_WDOG_TO, | |
814 | .end = WM831X_IRQ_WDOG_TO, | |
815 | .flags = IORESOURCE_IRQ, | |
816 | }, | |
817 | }; | |
818 | ||
819 | static struct mfd_cell wm8310_devs[] = { | |
c26964ea MB |
820 | { |
821 | .name = "wm831x-backup", | |
822 | }, | |
d2bedfe7 MB |
823 | { |
824 | .name = "wm831x-buckv", | |
825 | .id = 1, | |
826 | .num_resources = ARRAY_SIZE(wm831x_dcdc1_resources), | |
827 | .resources = wm831x_dcdc1_resources, | |
828 | }, | |
829 | { | |
830 | .name = "wm831x-buckv", | |
831 | .id = 2, | |
832 | .num_resources = ARRAY_SIZE(wm831x_dcdc2_resources), | |
833 | .resources = wm831x_dcdc2_resources, | |
834 | }, | |
835 | { | |
836 | .name = "wm831x-buckp", | |
837 | .id = 3, | |
838 | .num_resources = ARRAY_SIZE(wm831x_dcdc3_resources), | |
839 | .resources = wm831x_dcdc3_resources, | |
840 | }, | |
841 | { | |
842 | .name = "wm831x-boostp", | |
843 | .id = 4, | |
844 | .num_resources = ARRAY_SIZE(wm831x_dcdc4_resources), | |
845 | .resources = wm831x_dcdc4_resources, | |
846 | }, | |
847 | { | |
848 | .name = "wm831x-epe", | |
849 | .id = 1, | |
850 | }, | |
851 | { | |
852 | .name = "wm831x-epe", | |
853 | .id = 2, | |
854 | }, | |
855 | { | |
856 | .name = "wm831x-gpio", | |
857 | .num_resources = ARRAY_SIZE(wm831x_gpio_resources), | |
858 | .resources = wm831x_gpio_resources, | |
859 | }, | |
860 | { | |
861 | .name = "wm831x-hwmon", | |
862 | }, | |
863 | { | |
864 | .name = "wm831x-isink", | |
865 | .id = 1, | |
866 | .num_resources = ARRAY_SIZE(wm831x_isink1_resources), | |
867 | .resources = wm831x_isink1_resources, | |
868 | }, | |
869 | { | |
870 | .name = "wm831x-isink", | |
871 | .id = 2, | |
872 | .num_resources = ARRAY_SIZE(wm831x_isink2_resources), | |
873 | .resources = wm831x_isink2_resources, | |
874 | }, | |
875 | { | |
876 | .name = "wm831x-ldo", | |
877 | .id = 1, | |
878 | .num_resources = ARRAY_SIZE(wm831x_ldo1_resources), | |
879 | .resources = wm831x_ldo1_resources, | |
880 | }, | |
881 | { | |
882 | .name = "wm831x-ldo", | |
883 | .id = 2, | |
884 | .num_resources = ARRAY_SIZE(wm831x_ldo2_resources), | |
885 | .resources = wm831x_ldo2_resources, | |
886 | }, | |
887 | { | |
888 | .name = "wm831x-ldo", | |
889 | .id = 3, | |
890 | .num_resources = ARRAY_SIZE(wm831x_ldo3_resources), | |
891 | .resources = wm831x_ldo3_resources, | |
892 | }, | |
893 | { | |
894 | .name = "wm831x-ldo", | |
895 | .id = 4, | |
896 | .num_resources = ARRAY_SIZE(wm831x_ldo4_resources), | |
897 | .resources = wm831x_ldo4_resources, | |
898 | }, | |
899 | { | |
900 | .name = "wm831x-ldo", | |
901 | .id = 5, | |
902 | .num_resources = ARRAY_SIZE(wm831x_ldo5_resources), | |
903 | .resources = wm831x_ldo5_resources, | |
904 | }, | |
905 | { | |
906 | .name = "wm831x-ldo", | |
907 | .id = 6, | |
908 | .num_resources = ARRAY_SIZE(wm831x_ldo6_resources), | |
909 | .resources = wm831x_ldo6_resources, | |
910 | }, | |
911 | { | |
912 | .name = "wm831x-aldo", | |
913 | .id = 7, | |
914 | .num_resources = ARRAY_SIZE(wm831x_ldo7_resources), | |
915 | .resources = wm831x_ldo7_resources, | |
916 | }, | |
917 | { | |
918 | .name = "wm831x-aldo", | |
919 | .id = 8, | |
920 | .num_resources = ARRAY_SIZE(wm831x_ldo8_resources), | |
921 | .resources = wm831x_ldo8_resources, | |
922 | }, | |
923 | { | |
924 | .name = "wm831x-aldo", | |
925 | .id = 9, | |
926 | .num_resources = ARRAY_SIZE(wm831x_ldo9_resources), | |
927 | .resources = wm831x_ldo9_resources, | |
928 | }, | |
929 | { | |
930 | .name = "wm831x-aldo", | |
931 | .id = 10, | |
932 | .num_resources = ARRAY_SIZE(wm831x_ldo10_resources), | |
933 | .resources = wm831x_ldo10_resources, | |
934 | }, | |
935 | { | |
936 | .name = "wm831x-alive-ldo", | |
937 | .id = 11, | |
938 | .num_resources = ARRAY_SIZE(wm831x_ldo11_resources), | |
939 | .resources = wm831x_ldo11_resources, | |
940 | }, | |
941 | { | |
942 | .name = "wm831x-on", | |
943 | .num_resources = ARRAY_SIZE(wm831x_on_resources), | |
944 | .resources = wm831x_on_resources, | |
945 | }, | |
946 | { | |
947 | .name = "wm831x-power", | |
948 | .num_resources = ARRAY_SIZE(wm831x_power_resources), | |
949 | .resources = wm831x_power_resources, | |
950 | }, | |
951 | { | |
952 | .name = "wm831x-rtc", | |
953 | .num_resources = ARRAY_SIZE(wm831x_rtc_resources), | |
954 | .resources = wm831x_rtc_resources, | |
955 | }, | |
956 | { | |
957 | .name = "wm831x-status", | |
958 | .id = 1, | |
959 | .num_resources = ARRAY_SIZE(wm831x_status1_resources), | |
960 | .resources = wm831x_status1_resources, | |
961 | }, | |
962 | { | |
963 | .name = "wm831x-status", | |
964 | .id = 2, | |
965 | .num_resources = ARRAY_SIZE(wm831x_status2_resources), | |
966 | .resources = wm831x_status2_resources, | |
967 | }, | |
968 | { | |
969 | .name = "wm831x-watchdog", | |
970 | .num_resources = ARRAY_SIZE(wm831x_wdt_resources), | |
971 | .resources = wm831x_wdt_resources, | |
972 | }, | |
973 | }; | |
974 | ||
975 | static struct mfd_cell wm8311_devs[] = { | |
c26964ea MB |
976 | { |
977 | .name = "wm831x-backup", | |
978 | }, | |
d2bedfe7 MB |
979 | { |
980 | .name = "wm831x-buckv", | |
981 | .id = 1, | |
982 | .num_resources = ARRAY_SIZE(wm831x_dcdc1_resources), | |
983 | .resources = wm831x_dcdc1_resources, | |
984 | }, | |
985 | { | |
986 | .name = "wm831x-buckv", | |
987 | .id = 2, | |
988 | .num_resources = ARRAY_SIZE(wm831x_dcdc2_resources), | |
989 | .resources = wm831x_dcdc2_resources, | |
990 | }, | |
991 | { | |
992 | .name = "wm831x-buckp", | |
993 | .id = 3, | |
994 | .num_resources = ARRAY_SIZE(wm831x_dcdc3_resources), | |
995 | .resources = wm831x_dcdc3_resources, | |
996 | }, | |
997 | { | |
998 | .name = "wm831x-boostp", | |
999 | .id = 4, | |
1000 | .num_resources = ARRAY_SIZE(wm831x_dcdc4_resources), | |
1001 | .resources = wm831x_dcdc4_resources, | |
1002 | }, | |
1003 | { | |
1004 | .name = "wm831x-epe", | |
1005 | .id = 1, | |
1006 | }, | |
1007 | { | |
1008 | .name = "wm831x-epe", | |
1009 | .id = 2, | |
1010 | }, | |
1011 | { | |
1012 | .name = "wm831x-gpio", | |
1013 | .num_resources = ARRAY_SIZE(wm831x_gpio_resources), | |
1014 | .resources = wm831x_gpio_resources, | |
1015 | }, | |
1016 | { | |
1017 | .name = "wm831x-hwmon", | |
1018 | }, | |
1019 | { | |
1020 | .name = "wm831x-isink", | |
1021 | .id = 1, | |
1022 | .num_resources = ARRAY_SIZE(wm831x_isink1_resources), | |
1023 | .resources = wm831x_isink1_resources, | |
1024 | }, | |
1025 | { | |
1026 | .name = "wm831x-isink", | |
1027 | .id = 2, | |
1028 | .num_resources = ARRAY_SIZE(wm831x_isink2_resources), | |
1029 | .resources = wm831x_isink2_resources, | |
1030 | }, | |
1031 | { | |
1032 | .name = "wm831x-ldo", | |
1033 | .id = 1, | |
1034 | .num_resources = ARRAY_SIZE(wm831x_ldo1_resources), | |
1035 | .resources = wm831x_ldo1_resources, | |
1036 | }, | |
1037 | { | |
1038 | .name = "wm831x-ldo", | |
1039 | .id = 2, | |
1040 | .num_resources = ARRAY_SIZE(wm831x_ldo2_resources), | |
1041 | .resources = wm831x_ldo2_resources, | |
1042 | }, | |
1043 | { | |
1044 | .name = "wm831x-ldo", | |
1045 | .id = 3, | |
1046 | .num_resources = ARRAY_SIZE(wm831x_ldo3_resources), | |
1047 | .resources = wm831x_ldo3_resources, | |
1048 | }, | |
1049 | { | |
1050 | .name = "wm831x-ldo", | |
1051 | .id = 4, | |
1052 | .num_resources = ARRAY_SIZE(wm831x_ldo4_resources), | |
1053 | .resources = wm831x_ldo4_resources, | |
1054 | }, | |
1055 | { | |
1056 | .name = "wm831x-ldo", | |
1057 | .id = 5, | |
1058 | .num_resources = ARRAY_SIZE(wm831x_ldo5_resources), | |
1059 | .resources = wm831x_ldo5_resources, | |
1060 | }, | |
1061 | { | |
1062 | .name = "wm831x-aldo", | |
1063 | .id = 7, | |
1064 | .num_resources = ARRAY_SIZE(wm831x_ldo7_resources), | |
1065 | .resources = wm831x_ldo7_resources, | |
1066 | }, | |
1067 | { | |
1068 | .name = "wm831x-alive-ldo", | |
1069 | .id = 11, | |
1070 | .num_resources = ARRAY_SIZE(wm831x_ldo11_resources), | |
1071 | .resources = wm831x_ldo11_resources, | |
1072 | }, | |
1073 | { | |
1074 | .name = "wm831x-on", | |
1075 | .num_resources = ARRAY_SIZE(wm831x_on_resources), | |
1076 | .resources = wm831x_on_resources, | |
1077 | }, | |
1078 | { | |
1079 | .name = "wm831x-power", | |
1080 | .num_resources = ARRAY_SIZE(wm831x_power_resources), | |
1081 | .resources = wm831x_power_resources, | |
1082 | }, | |
1083 | { | |
1084 | .name = "wm831x-rtc", | |
1085 | .num_resources = ARRAY_SIZE(wm831x_rtc_resources), | |
1086 | .resources = wm831x_rtc_resources, | |
1087 | }, | |
1088 | { | |
1089 | .name = "wm831x-status", | |
1090 | .id = 1, | |
1091 | .num_resources = ARRAY_SIZE(wm831x_status1_resources), | |
1092 | .resources = wm831x_status1_resources, | |
1093 | }, | |
1094 | { | |
1095 | .name = "wm831x-status", | |
1096 | .id = 2, | |
1097 | .num_resources = ARRAY_SIZE(wm831x_status2_resources), | |
1098 | .resources = wm831x_status2_resources, | |
1099 | }, | |
1100 | { | |
1101 | .name = "wm831x-touch", | |
1102 | .num_resources = ARRAY_SIZE(wm831x_touch_resources), | |
1103 | .resources = wm831x_touch_resources, | |
1104 | }, | |
1105 | { | |
1106 | .name = "wm831x-watchdog", | |
1107 | .num_resources = ARRAY_SIZE(wm831x_wdt_resources), | |
1108 | .resources = wm831x_wdt_resources, | |
1109 | }, | |
1110 | }; | |
1111 | ||
1112 | static struct mfd_cell wm8312_devs[] = { | |
c26964ea MB |
1113 | { |
1114 | .name = "wm831x-backup", | |
1115 | }, | |
d2bedfe7 MB |
1116 | { |
1117 | .name = "wm831x-buckv", | |
1118 | .id = 1, | |
1119 | .num_resources = ARRAY_SIZE(wm831x_dcdc1_resources), | |
1120 | .resources = wm831x_dcdc1_resources, | |
1121 | }, | |
1122 | { | |
1123 | .name = "wm831x-buckv", | |
1124 | .id = 2, | |
1125 | .num_resources = ARRAY_SIZE(wm831x_dcdc2_resources), | |
1126 | .resources = wm831x_dcdc2_resources, | |
1127 | }, | |
1128 | { | |
1129 | .name = "wm831x-buckp", | |
1130 | .id = 3, | |
1131 | .num_resources = ARRAY_SIZE(wm831x_dcdc3_resources), | |
1132 | .resources = wm831x_dcdc3_resources, | |
1133 | }, | |
1134 | { | |
1135 | .name = "wm831x-boostp", | |
1136 | .id = 4, | |
1137 | .num_resources = ARRAY_SIZE(wm831x_dcdc4_resources), | |
1138 | .resources = wm831x_dcdc4_resources, | |
1139 | }, | |
1140 | { | |
1141 | .name = "wm831x-epe", | |
1142 | .id = 1, | |
1143 | }, | |
1144 | { | |
1145 | .name = "wm831x-epe", | |
1146 | .id = 2, | |
1147 | }, | |
1148 | { | |
1149 | .name = "wm831x-gpio", | |
1150 | .num_resources = ARRAY_SIZE(wm831x_gpio_resources), | |
1151 | .resources = wm831x_gpio_resources, | |
1152 | }, | |
1153 | { | |
1154 | .name = "wm831x-hwmon", | |
1155 | }, | |
1156 | { | |
1157 | .name = "wm831x-isink", | |
1158 | .id = 1, | |
1159 | .num_resources = ARRAY_SIZE(wm831x_isink1_resources), | |
1160 | .resources = wm831x_isink1_resources, | |
1161 | }, | |
1162 | { | |
1163 | .name = "wm831x-isink", | |
1164 | .id = 2, | |
1165 | .num_resources = ARRAY_SIZE(wm831x_isink2_resources), | |
1166 | .resources = wm831x_isink2_resources, | |
1167 | }, | |
1168 | { | |
1169 | .name = "wm831x-ldo", | |
1170 | .id = 1, | |
1171 | .num_resources = ARRAY_SIZE(wm831x_ldo1_resources), | |
1172 | .resources = wm831x_ldo1_resources, | |
1173 | }, | |
1174 | { | |
1175 | .name = "wm831x-ldo", | |
1176 | .id = 2, | |
1177 | .num_resources = ARRAY_SIZE(wm831x_ldo2_resources), | |
1178 | .resources = wm831x_ldo2_resources, | |
1179 | }, | |
1180 | { | |
1181 | .name = "wm831x-ldo", | |
1182 | .id = 3, | |
1183 | .num_resources = ARRAY_SIZE(wm831x_ldo3_resources), | |
1184 | .resources = wm831x_ldo3_resources, | |
1185 | }, | |
1186 | { | |
1187 | .name = "wm831x-ldo", | |
1188 | .id = 4, | |
1189 | .num_resources = ARRAY_SIZE(wm831x_ldo4_resources), | |
1190 | .resources = wm831x_ldo4_resources, | |
1191 | }, | |
1192 | { | |
1193 | .name = "wm831x-ldo", | |
1194 | .id = 5, | |
1195 | .num_resources = ARRAY_SIZE(wm831x_ldo5_resources), | |
1196 | .resources = wm831x_ldo5_resources, | |
1197 | }, | |
1198 | { | |
1199 | .name = "wm831x-ldo", | |
1200 | .id = 6, | |
1201 | .num_resources = ARRAY_SIZE(wm831x_ldo6_resources), | |
1202 | .resources = wm831x_ldo6_resources, | |
1203 | }, | |
1204 | { | |
1205 | .name = "wm831x-aldo", | |
1206 | .id = 7, | |
1207 | .num_resources = ARRAY_SIZE(wm831x_ldo7_resources), | |
1208 | .resources = wm831x_ldo7_resources, | |
1209 | }, | |
1210 | { | |
1211 | .name = "wm831x-aldo", | |
1212 | .id = 8, | |
1213 | .num_resources = ARRAY_SIZE(wm831x_ldo8_resources), | |
1214 | .resources = wm831x_ldo8_resources, | |
1215 | }, | |
1216 | { | |
1217 | .name = "wm831x-aldo", | |
1218 | .id = 9, | |
1219 | .num_resources = ARRAY_SIZE(wm831x_ldo9_resources), | |
1220 | .resources = wm831x_ldo9_resources, | |
1221 | }, | |
1222 | { | |
1223 | .name = "wm831x-aldo", | |
1224 | .id = 10, | |
1225 | .num_resources = ARRAY_SIZE(wm831x_ldo10_resources), | |
1226 | .resources = wm831x_ldo10_resources, | |
1227 | }, | |
1228 | { | |
1229 | .name = "wm831x-alive-ldo", | |
1230 | .id = 11, | |
1231 | .num_resources = ARRAY_SIZE(wm831x_ldo11_resources), | |
1232 | .resources = wm831x_ldo11_resources, | |
1233 | }, | |
1234 | { | |
1235 | .name = "wm831x-on", | |
1236 | .num_resources = ARRAY_SIZE(wm831x_on_resources), | |
1237 | .resources = wm831x_on_resources, | |
1238 | }, | |
1239 | { | |
1240 | .name = "wm831x-power", | |
1241 | .num_resources = ARRAY_SIZE(wm831x_power_resources), | |
1242 | .resources = wm831x_power_resources, | |
1243 | }, | |
1244 | { | |
1245 | .name = "wm831x-rtc", | |
1246 | .num_resources = ARRAY_SIZE(wm831x_rtc_resources), | |
1247 | .resources = wm831x_rtc_resources, | |
1248 | }, | |
1249 | { | |
1250 | .name = "wm831x-status", | |
1251 | .id = 1, | |
1252 | .num_resources = ARRAY_SIZE(wm831x_status1_resources), | |
1253 | .resources = wm831x_status1_resources, | |
1254 | }, | |
1255 | { | |
1256 | .name = "wm831x-status", | |
1257 | .id = 2, | |
1258 | .num_resources = ARRAY_SIZE(wm831x_status2_resources), | |
1259 | .resources = wm831x_status2_resources, | |
1260 | }, | |
1261 | { | |
1262 | .name = "wm831x-touch", | |
1263 | .num_resources = ARRAY_SIZE(wm831x_touch_resources), | |
1264 | .resources = wm831x_touch_resources, | |
1265 | }, | |
1266 | { | |
1267 | .name = "wm831x-watchdog", | |
1268 | .num_resources = ARRAY_SIZE(wm831x_wdt_resources), | |
1269 | .resources = wm831x_wdt_resources, | |
1270 | }, | |
1271 | }; | |
1272 | ||
d4e0a89e MB |
1273 | static struct mfd_cell wm8320_devs[] = { |
1274 | { | |
1275 | .name = "wm831x-backup", | |
1276 | }, | |
1277 | { | |
1278 | .name = "wm831x-buckv", | |
1279 | .id = 1, | |
1280 | .num_resources = ARRAY_SIZE(wm831x_dcdc1_resources), | |
1281 | .resources = wm831x_dcdc1_resources, | |
1282 | }, | |
1283 | { | |
1284 | .name = "wm831x-buckv", | |
1285 | .id = 2, | |
1286 | .num_resources = ARRAY_SIZE(wm831x_dcdc2_resources), | |
1287 | .resources = wm831x_dcdc2_resources, | |
1288 | }, | |
1289 | { | |
1290 | .name = "wm831x-buckp", | |
1291 | .id = 3, | |
1292 | .num_resources = ARRAY_SIZE(wm831x_dcdc3_resources), | |
1293 | .resources = wm831x_dcdc3_resources, | |
1294 | }, | |
1295 | { | |
1296 | .name = "wm831x-buckp", | |
1297 | .id = 4, | |
1298 | .num_resources = ARRAY_SIZE(wm8320_dcdc4_buck_resources), | |
1299 | .resources = wm8320_dcdc4_buck_resources, | |
1300 | }, | |
1301 | { | |
1302 | .name = "wm831x-gpio", | |
1303 | .num_resources = ARRAY_SIZE(wm831x_gpio_resources), | |
1304 | .resources = wm831x_gpio_resources, | |
1305 | }, | |
1306 | { | |
1307 | .name = "wm831x-hwmon", | |
1308 | }, | |
1309 | { | |
1310 | .name = "wm831x-ldo", | |
1311 | .id = 1, | |
1312 | .num_resources = ARRAY_SIZE(wm831x_ldo1_resources), | |
1313 | .resources = wm831x_ldo1_resources, | |
1314 | }, | |
1315 | { | |
1316 | .name = "wm831x-ldo", | |
1317 | .id = 2, | |
1318 | .num_resources = ARRAY_SIZE(wm831x_ldo2_resources), | |
1319 | .resources = wm831x_ldo2_resources, | |
1320 | }, | |
1321 | { | |
1322 | .name = "wm831x-ldo", | |
1323 | .id = 3, | |
1324 | .num_resources = ARRAY_SIZE(wm831x_ldo3_resources), | |
1325 | .resources = wm831x_ldo3_resources, | |
1326 | }, | |
1327 | { | |
1328 | .name = "wm831x-ldo", | |
1329 | .id = 4, | |
1330 | .num_resources = ARRAY_SIZE(wm831x_ldo4_resources), | |
1331 | .resources = wm831x_ldo4_resources, | |
1332 | }, | |
1333 | { | |
1334 | .name = "wm831x-ldo", | |
1335 | .id = 5, | |
1336 | .num_resources = ARRAY_SIZE(wm831x_ldo5_resources), | |
1337 | .resources = wm831x_ldo5_resources, | |
1338 | }, | |
1339 | { | |
1340 | .name = "wm831x-ldo", | |
1341 | .id = 6, | |
1342 | .num_resources = ARRAY_SIZE(wm831x_ldo6_resources), | |
1343 | .resources = wm831x_ldo6_resources, | |
1344 | }, | |
1345 | { | |
1346 | .name = "wm831x-aldo", | |
1347 | .id = 7, | |
1348 | .num_resources = ARRAY_SIZE(wm831x_ldo7_resources), | |
1349 | .resources = wm831x_ldo7_resources, | |
1350 | }, | |
1351 | { | |
1352 | .name = "wm831x-aldo", | |
1353 | .id = 8, | |
1354 | .num_resources = ARRAY_SIZE(wm831x_ldo8_resources), | |
1355 | .resources = wm831x_ldo8_resources, | |
1356 | }, | |
1357 | { | |
1358 | .name = "wm831x-aldo", | |
1359 | .id = 9, | |
1360 | .num_resources = ARRAY_SIZE(wm831x_ldo9_resources), | |
1361 | .resources = wm831x_ldo9_resources, | |
1362 | }, | |
1363 | { | |
1364 | .name = "wm831x-aldo", | |
1365 | .id = 10, | |
1366 | .num_resources = ARRAY_SIZE(wm831x_ldo10_resources), | |
1367 | .resources = wm831x_ldo10_resources, | |
1368 | }, | |
1369 | { | |
1370 | .name = "wm831x-alive-ldo", | |
1371 | .id = 11, | |
1372 | .num_resources = ARRAY_SIZE(wm831x_ldo11_resources), | |
1373 | .resources = wm831x_ldo11_resources, | |
1374 | }, | |
1375 | { | |
1376 | .name = "wm831x-on", | |
1377 | .num_resources = ARRAY_SIZE(wm831x_on_resources), | |
1378 | .resources = wm831x_on_resources, | |
1379 | }, | |
1380 | { | |
1381 | .name = "wm831x-rtc", | |
1382 | .num_resources = ARRAY_SIZE(wm831x_rtc_resources), | |
1383 | .resources = wm831x_rtc_resources, | |
1384 | }, | |
1385 | { | |
1386 | .name = "wm831x-status", | |
1387 | .id = 1, | |
1388 | .num_resources = ARRAY_SIZE(wm831x_status1_resources), | |
1389 | .resources = wm831x_status1_resources, | |
1390 | }, | |
1391 | { | |
1392 | .name = "wm831x-status", | |
1393 | .id = 2, | |
1394 | .num_resources = ARRAY_SIZE(wm831x_status2_resources), | |
1395 | .resources = wm831x_status2_resources, | |
1396 | }, | |
1397 | { | |
1398 | .name = "wm831x-watchdog", | |
1399 | .num_resources = ARRAY_SIZE(wm831x_wdt_resources), | |
1400 | .resources = wm831x_wdt_resources, | |
1401 | }, | |
1402 | }; | |
1403 | ||
63aed85e MB |
1404 | static struct mfd_cell backlight_devs[] = { |
1405 | { | |
1406 | .name = "wm831x-backlight", | |
1407 | }, | |
1408 | }; | |
1409 | ||
d2bedfe7 MB |
1410 | /* |
1411 | * Instantiate the generic non-control parts of the device. | |
1412 | */ | |
1413 | static int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq) | |
1414 | { | |
1415 | struct wm831x_pdata *pdata = wm831x->dev->platform_data; | |
1416 | int rev; | |
1417 | enum wm831x_parent parent; | |
1418 | int ret; | |
1419 | ||
1420 | mutex_init(&wm831x->io_lock); | |
1421 | mutex_init(&wm831x->key_lock); | |
7e9f9fd4 | 1422 | mutex_init(&wm831x->auxadc_lock); |
473fe736 | 1423 | init_completion(&wm831x->auxadc_done); |
d2bedfe7 MB |
1424 | dev_set_drvdata(wm831x->dev, wm831x); |
1425 | ||
1426 | ret = wm831x_reg_read(wm831x, WM831X_PARENT_ID); | |
1427 | if (ret < 0) { | |
1428 | dev_err(wm831x->dev, "Failed to read parent ID: %d\n", ret); | |
1429 | goto err; | |
1430 | } | |
1431 | if (ret != 0x6204) { | |
1432 | dev_err(wm831x->dev, "Device is not a WM831x: ID %x\n", ret); | |
1433 | ret = -EINVAL; | |
1434 | goto err; | |
1435 | } | |
1436 | ||
1437 | ret = wm831x_reg_read(wm831x, WM831X_REVISION); | |
1438 | if (ret < 0) { | |
1439 | dev_err(wm831x->dev, "Failed to read revision: %d\n", ret); | |
1440 | goto err; | |
1441 | } | |
1442 | rev = (ret & WM831X_PARENT_REV_MASK) >> WM831X_PARENT_REV_SHIFT; | |
1443 | ||
1444 | ret = wm831x_reg_read(wm831x, WM831X_RESET_ID); | |
1445 | if (ret < 0) { | |
1446 | dev_err(wm831x->dev, "Failed to read device ID: %d\n", ret); | |
1447 | goto err; | |
1448 | } | |
1449 | ||
894362f5 MB |
1450 | /* Some engineering samples do not have the ID set, rely on |
1451 | * the device being registered correctly. | |
1452 | */ | |
1453 | if (ret == 0) { | |
1454 | dev_info(wm831x->dev, "Device is an engineering sample\n"); | |
1455 | ret = id; | |
1456 | } | |
1457 | ||
d2bedfe7 | 1458 | switch (ret) { |
894362f5 | 1459 | case WM8310: |
d2bedfe7 | 1460 | parent = WM8310; |
6f2ecaae | 1461 | wm831x->num_gpio = 16; |
f92e8f81 MB |
1462 | if (rev > 0) { |
1463 | wm831x->has_gpio_ena = 1; | |
1464 | wm831x->has_cs_sts = 1; | |
1465 | } | |
1466 | ||
894362f5 | 1467 | dev_info(wm831x->dev, "WM8310 revision %c\n", 'A' + rev); |
d2bedfe7 MB |
1468 | break; |
1469 | ||
894362f5 | 1470 | case WM8311: |
d2bedfe7 | 1471 | parent = WM8311; |
6f2ecaae | 1472 | wm831x->num_gpio = 16; |
f92e8f81 MB |
1473 | if (rev > 0) { |
1474 | wm831x->has_gpio_ena = 1; | |
1475 | wm831x->has_cs_sts = 1; | |
1476 | } | |
1477 | ||
894362f5 | 1478 | dev_info(wm831x->dev, "WM8311 revision %c\n", 'A' + rev); |
d2bedfe7 MB |
1479 | break; |
1480 | ||
894362f5 | 1481 | case WM8312: |
d2bedfe7 | 1482 | parent = WM8312; |
6f2ecaae | 1483 | wm831x->num_gpio = 16; |
f92e8f81 MB |
1484 | if (rev > 0) { |
1485 | wm831x->has_gpio_ena = 1; | |
1486 | wm831x->has_cs_sts = 1; | |
1487 | } | |
1488 | ||
894362f5 | 1489 | dev_info(wm831x->dev, "WM8312 revision %c\n", 'A' + rev); |
d2bedfe7 MB |
1490 | break; |
1491 | ||
d4e0a89e MB |
1492 | case WM8320: |
1493 | parent = WM8320; | |
1494 | wm831x->num_gpio = 12; | |
1495 | dev_info(wm831x->dev, "WM8320 revision %c\n", 'A' + rev); | |
1496 | break; | |
1497 | ||
d2bedfe7 MB |
1498 | default: |
1499 | dev_err(wm831x->dev, "Unknown WM831x device %04x\n", ret); | |
1500 | ret = -EINVAL; | |
1501 | goto err; | |
1502 | } | |
1503 | ||
1504 | /* This will need revisiting in future but is OK for all | |
1505 | * current parts. | |
1506 | */ | |
1507 | if (parent != id) | |
894362f5 | 1508 | dev_warn(wm831x->dev, "Device was registered as a WM%lx\n", |
d2bedfe7 MB |
1509 | id); |
1510 | ||
1511 | /* Bootstrap the user key */ | |
1512 | ret = wm831x_reg_read(wm831x, WM831X_SECURITY_KEY); | |
1513 | if (ret < 0) { | |
1514 | dev_err(wm831x->dev, "Failed to read security key: %d\n", ret); | |
1515 | goto err; | |
1516 | } | |
1517 | if (ret != 0) { | |
1518 | dev_warn(wm831x->dev, "Security key had non-zero value %x\n", | |
1519 | ret); | |
1520 | wm831x_reg_write(wm831x, WM831X_SECURITY_KEY, 0); | |
1521 | } | |
1522 | wm831x->locked = 1; | |
1523 | ||
1524 | if (pdata && pdata->pre_init) { | |
1525 | ret = pdata->pre_init(wm831x); | |
1526 | if (ret != 0) { | |
1527 | dev_err(wm831x->dev, "pre_init() failed: %d\n", ret); | |
1528 | goto err; | |
1529 | } | |
1530 | } | |
1531 | ||
7d4d0a3e MB |
1532 | ret = wm831x_irq_init(wm831x, irq); |
1533 | if (ret != 0) | |
1534 | goto err; | |
1535 | ||
473fe736 MB |
1536 | if (wm831x->irq_base) { |
1537 | ret = request_threaded_irq(wm831x->irq_base + | |
1538 | WM831X_IRQ_AUXADC_DATA, | |
1539 | NULL, wm831x_auxadc_irq, 0, | |
1540 | "auxadc", wm831x); | |
1541 | if (ret < 0) | |
1542 | dev_err(wm831x->dev, "AUXADC IRQ request failed: %d\n", | |
1543 | ret); | |
1544 | } | |
1545 | ||
d2bedfe7 MB |
1546 | /* The core device is up, instantiate the subdevices. */ |
1547 | switch (parent) { | |
1548 | case WM8310: | |
1549 | ret = mfd_add_devices(wm831x->dev, -1, | |
1550 | wm8310_devs, ARRAY_SIZE(wm8310_devs), | |
5fb4d38b | 1551 | NULL, wm831x->irq_base); |
d2bedfe7 MB |
1552 | break; |
1553 | ||
1554 | case WM8311: | |
1555 | ret = mfd_add_devices(wm831x->dev, -1, | |
1556 | wm8311_devs, ARRAY_SIZE(wm8311_devs), | |
5fb4d38b | 1557 | NULL, wm831x->irq_base); |
d2bedfe7 MB |
1558 | break; |
1559 | ||
1560 | case WM8312: | |
1561 | ret = mfd_add_devices(wm831x->dev, -1, | |
1562 | wm8312_devs, ARRAY_SIZE(wm8312_devs), | |
5fb4d38b | 1563 | NULL, wm831x->irq_base); |
d2bedfe7 MB |
1564 | break; |
1565 | ||
d4e0a89e MB |
1566 | case WM8320: |
1567 | ret = mfd_add_devices(wm831x->dev, -1, | |
1568 | wm8320_devs, ARRAY_SIZE(wm8320_devs), | |
1569 | NULL, 0); | |
1570 | break; | |
1571 | ||
d2bedfe7 MB |
1572 | default: |
1573 | /* If this happens the bus probe function is buggy */ | |
1574 | BUG(); | |
1575 | } | |
1576 | ||
1577 | if (ret != 0) { | |
1578 | dev_err(wm831x->dev, "Failed to add children\n"); | |
7d4d0a3e | 1579 | goto err_irq; |
d2bedfe7 MB |
1580 | } |
1581 | ||
63aed85e MB |
1582 | if (pdata && pdata->backlight) { |
1583 | /* Treat errors as non-critical */ | |
1584 | ret = mfd_add_devices(wm831x->dev, -1, backlight_devs, | |
5fb4d38b MB |
1585 | ARRAY_SIZE(backlight_devs), NULL, |
1586 | wm831x->irq_base); | |
63aed85e MB |
1587 | if (ret < 0) |
1588 | dev_err(wm831x->dev, "Failed to add backlight: %d\n", | |
1589 | ret); | |
1590 | } | |
1591 | ||
6704e517 MB |
1592 | wm831x_otp_init(wm831x); |
1593 | ||
d2bedfe7 MB |
1594 | if (pdata && pdata->post_init) { |
1595 | ret = pdata->post_init(wm831x); | |
1596 | if (ret != 0) { | |
1597 | dev_err(wm831x->dev, "post_init() failed: %d\n", ret); | |
7d4d0a3e | 1598 | goto err_irq; |
d2bedfe7 MB |
1599 | } |
1600 | } | |
1601 | ||
1602 | return 0; | |
1603 | ||
7d4d0a3e MB |
1604 | err_irq: |
1605 | wm831x_irq_exit(wm831x); | |
d2bedfe7 MB |
1606 | err: |
1607 | mfd_remove_devices(wm831x->dev); | |
1608 | kfree(wm831x); | |
1609 | return ret; | |
1610 | } | |
1611 | ||
1612 | static void wm831x_device_exit(struct wm831x *wm831x) | |
1613 | { | |
6704e517 | 1614 | wm831x_otp_exit(wm831x); |
d2bedfe7 | 1615 | mfd_remove_devices(wm831x->dev); |
473fe736 MB |
1616 | if (wm831x->irq_base) |
1617 | free_irq(wm831x->irq_base + WM831X_IRQ_AUXADC_DATA, wm831x); | |
7d4d0a3e | 1618 | wm831x_irq_exit(wm831x); |
d2bedfe7 MB |
1619 | kfree(wm831x); |
1620 | } | |
1621 | ||
1622 | static int wm831x_i2c_read_device(struct wm831x *wm831x, unsigned short reg, | |
1623 | int bytes, void *dest) | |
1624 | { | |
1625 | struct i2c_client *i2c = wm831x->control_data; | |
1626 | int ret; | |
1627 | u16 r = cpu_to_be16(reg); | |
1628 | ||
1629 | ret = i2c_master_send(i2c, (unsigned char *)&r, 2); | |
1630 | if (ret < 0) | |
1631 | return ret; | |
1632 | if (ret != 2) | |
1633 | return -EIO; | |
1634 | ||
1635 | ret = i2c_master_recv(i2c, dest, bytes); | |
1636 | if (ret < 0) | |
1637 | return ret; | |
1638 | if (ret != bytes) | |
1639 | return -EIO; | |
1640 | return 0; | |
1641 | } | |
1642 | ||
1643 | /* Currently we allocate the write buffer on the stack; this is OK for | |
1644 | * small writes - if we need to do large writes this will need to be | |
1645 | * revised. | |
1646 | */ | |
1647 | static int wm831x_i2c_write_device(struct wm831x *wm831x, unsigned short reg, | |
1648 | int bytes, void *src) | |
1649 | { | |
1650 | struct i2c_client *i2c = wm831x->control_data; | |
1651 | unsigned char msg[bytes + 2]; | |
1652 | int ret; | |
1653 | ||
1654 | reg = cpu_to_be16(reg); | |
1655 | memcpy(&msg[0], ®, 2); | |
1656 | memcpy(&msg[2], src, bytes); | |
1657 | ||
1658 | ret = i2c_master_send(i2c, msg, bytes + 2); | |
1659 | if (ret < 0) | |
1660 | return ret; | |
1661 | if (ret < bytes + 2) | |
1662 | return -EIO; | |
1663 | ||
1664 | return 0; | |
1665 | } | |
1666 | ||
1667 | static int wm831x_i2c_probe(struct i2c_client *i2c, | |
1668 | const struct i2c_device_id *id) | |
1669 | { | |
1670 | struct wm831x *wm831x; | |
1671 | ||
1672 | wm831x = kzalloc(sizeof(struct wm831x), GFP_KERNEL); | |
1673 | if (wm831x == NULL) { | |
1674 | kfree(i2c); | |
1675 | return -ENOMEM; | |
1676 | } | |
1677 | ||
1678 | i2c_set_clientdata(i2c, wm831x); | |
1679 | wm831x->dev = &i2c->dev; | |
1680 | wm831x->control_data = i2c; | |
1681 | wm831x->read_dev = wm831x_i2c_read_device; | |
1682 | wm831x->write_dev = wm831x_i2c_write_device; | |
1683 | ||
1684 | return wm831x_device_init(wm831x, id->driver_data, i2c->irq); | |
1685 | } | |
1686 | ||
1687 | static int wm831x_i2c_remove(struct i2c_client *i2c) | |
1688 | { | |
1689 | struct wm831x *wm831x = i2c_get_clientdata(i2c); | |
1690 | ||
1691 | wm831x_device_exit(wm831x); | |
1692 | ||
1693 | return 0; | |
1694 | } | |
1695 | ||
1696 | static const struct i2c_device_id wm831x_i2c_id[] = { | |
1697 | { "wm8310", WM8310 }, | |
1698 | { "wm8311", WM8311 }, | |
1699 | { "wm8312", WM8312 }, | |
d4e0a89e | 1700 | { "wm8320", WM8320 }, |
d2bedfe7 MB |
1701 | { } |
1702 | }; | |
1703 | MODULE_DEVICE_TABLE(i2c, wm831x_i2c_id); | |
1704 | ||
1705 | ||
1706 | static struct i2c_driver wm831x_i2c_driver = { | |
1707 | .driver = { | |
1708 | .name = "wm831x", | |
1709 | .owner = THIS_MODULE, | |
1710 | }, | |
1711 | .probe = wm831x_i2c_probe, | |
1712 | .remove = wm831x_i2c_remove, | |
1713 | .id_table = wm831x_i2c_id, | |
1714 | }; | |
1715 | ||
1716 | static int __init wm831x_i2c_init(void) | |
1717 | { | |
1718 | int ret; | |
1719 | ||
1720 | ret = i2c_add_driver(&wm831x_i2c_driver); | |
1721 | if (ret != 0) | |
1722 | pr_err("Failed to register wm831x I2C driver: %d\n", ret); | |
1723 | ||
1724 | return ret; | |
1725 | } | |
1726 | subsys_initcall(wm831x_i2c_init); | |
1727 | ||
1728 | static void __exit wm831x_i2c_exit(void) | |
1729 | { | |
1730 | i2c_del_driver(&wm831x_i2c_driver); | |
1731 | } | |
1732 | module_exit(wm831x_i2c_exit); | |
1733 | ||
1734 | MODULE_DESCRIPTION("I2C support for the WM831X AudioPlus PMIC"); | |
1735 | MODULE_LICENSE("GPL"); | |
1736 | MODULE_AUTHOR("Mark Brown"); |