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Merge remote-tracking branch 'cleancache/linux-next'
[linux-2.6/next.git] / drivers / mfd / 88pm860x-core.c
blob7ba4aafb051daede49c17b375b6cef10b308f1ce
1 /*
2 * Base driver for Marvell 88PM8607
3 *
4 * Copyright (C) 2009 Marvell International Ltd.
5 * Haojian Zhuang <haojian.zhuang@marvell.com>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 */
11
12 #include <linux/kernel.h>
13 #include <linux/module.h>
14 #include <linux/i2c.h>
15 #include <linux/irq.h>
16 #include <linux/interrupt.h>
17 #include <linux/platform_device.h>
18 #include <linux/mfd/core.h>
19 #include <linux/mfd/88pm860x.h>
20 #include <linux/regulator/machine.h>
21
22 #define INT_STATUS_NUM 3
23
24 static struct resource bk_resources[] __devinitdata = {
25 {PM8606_BACKLIGHT1, PM8606_BACKLIGHT1, "backlight-0", IORESOURCE_IO,},
26 {PM8606_BACKLIGHT2, PM8606_BACKLIGHT2, "backlight-1", IORESOURCE_IO,},
27 {PM8606_BACKLIGHT3, PM8606_BACKLIGHT3, "backlight-2", IORESOURCE_IO,},
28 };
29
30 static struct resource led_resources[] __devinitdata = {
31 {PM8606_LED1_RED, PM8606_LED1_RED, "led0-red", IORESOURCE_IO,},
32 {PM8606_LED1_GREEN, PM8606_LED1_GREEN, "led0-green", IORESOURCE_IO,},
33 {PM8606_LED1_BLUE, PM8606_LED1_BLUE, "led0-blue", IORESOURCE_IO,},
34 {PM8606_LED2_RED, PM8606_LED2_RED, "led1-red", IORESOURCE_IO,},
35 {PM8606_LED2_GREEN, PM8606_LED2_GREEN, "led1-green", IORESOURCE_IO,},
36 {PM8606_LED2_BLUE, PM8606_LED2_BLUE, "led1-blue", IORESOURCE_IO,},
37 };
38
39 static struct resource regulator_resources[] __devinitdata = {
40 {PM8607_ID_BUCK1, PM8607_ID_BUCK1, "buck-1", IORESOURCE_IO,},
41 {PM8607_ID_BUCK2, PM8607_ID_BUCK2, "buck-2", IORESOURCE_IO,},
42 {PM8607_ID_BUCK3, PM8607_ID_BUCK3, "buck-3", IORESOURCE_IO,},
43 {PM8607_ID_LDO1, PM8607_ID_LDO1, "ldo-01", IORESOURCE_IO,},
44 {PM8607_ID_LDO2, PM8607_ID_LDO2, "ldo-02", IORESOURCE_IO,},
45 {PM8607_ID_LDO3, PM8607_ID_LDO3, "ldo-03", IORESOURCE_IO,},
46 {PM8607_ID_LDO4, PM8607_ID_LDO4, "ldo-04", IORESOURCE_IO,},
47 {PM8607_ID_LDO5, PM8607_ID_LDO5, "ldo-05", IORESOURCE_IO,},
48 {PM8607_ID_LDO6, PM8607_ID_LDO6, "ldo-06", IORESOURCE_IO,},
49 {PM8607_ID_LDO7, PM8607_ID_LDO7, "ldo-07", IORESOURCE_IO,},
50 {PM8607_ID_LDO8, PM8607_ID_LDO8, "ldo-08", IORESOURCE_IO,},
51 {PM8607_ID_LDO9, PM8607_ID_LDO9, "ldo-09", IORESOURCE_IO,},
52 {PM8607_ID_LDO10, PM8607_ID_LDO10, "ldo-10", IORESOURCE_IO,},
53 {PM8607_ID_LDO11, PM8607_ID_LDO11, "ldo-11", IORESOURCE_IO,},
54 {PM8607_ID_LDO12, PM8607_ID_LDO12, "ldo-12", IORESOURCE_IO,},
55 {PM8607_ID_LDO13, PM8607_ID_LDO13, "ldo-13", IORESOURCE_IO,},
56 {PM8607_ID_LDO14, PM8607_ID_LDO14, "ldo-14", IORESOURCE_IO,},
57 {PM8607_ID_LDO15, PM8607_ID_LDO15, "ldo-15", IORESOURCE_IO,},
58 };
59
60 static struct resource touch_resources[] __devinitdata = {
61 {PM8607_IRQ_PEN, PM8607_IRQ_PEN, "touch", IORESOURCE_IRQ,},
62 };
63
64 static struct resource onkey_resources[] __devinitdata = {
65 {PM8607_IRQ_ONKEY, PM8607_IRQ_ONKEY, "onkey", IORESOURCE_IRQ,},
66 };
67
68 static struct resource codec_resources[] __devinitdata = {
69 /* Headset microphone insertion or removal */
70 {PM8607_IRQ_MICIN, PM8607_IRQ_MICIN, "micin", IORESOURCE_IRQ,},
71 /* Hook-switch press or release */
72 {PM8607_IRQ_HOOK, PM8607_IRQ_HOOK, "hook", IORESOURCE_IRQ,},
73 /* Headset insertion or removal */
74 {PM8607_IRQ_HEADSET, PM8607_IRQ_HEADSET, "headset", IORESOURCE_IRQ,},
75 /* Audio short */
76 {PM8607_IRQ_AUDIO_SHORT, PM8607_IRQ_AUDIO_SHORT, "audio-short", IORESOURCE_IRQ,},
77 };
78
79 static struct resource battery_resources[] __devinitdata = {
80 {PM8607_IRQ_CC, PM8607_IRQ_CC, "columb counter", IORESOURCE_IRQ,},
81 {PM8607_IRQ_BAT, PM8607_IRQ_BAT, "battery", IORESOURCE_IRQ,},
82 };
83
84 static struct resource charger_resources[] __devinitdata = {
85 {PM8607_IRQ_CHG, PM8607_IRQ_CHG, "charger detect", IORESOURCE_IRQ,},
86 {PM8607_IRQ_CHG_DONE, PM8607_IRQ_CHG_DONE, "charging done", IORESOURCE_IRQ,},
87 {PM8607_IRQ_CHG_FAULT, PM8607_IRQ_CHG_FAULT, "charging timeout", IORESOURCE_IRQ,},
88 {PM8607_IRQ_GPADC1, PM8607_IRQ_GPADC1, "battery temperature", IORESOURCE_IRQ,},
89 {PM8607_IRQ_VBAT, PM8607_IRQ_VBAT, "battery voltage", IORESOURCE_IRQ,},
90 {PM8607_IRQ_VCHG, PM8607_IRQ_VCHG, "vchg voltage", IORESOURCE_IRQ,},
91 };
92
93 static struct mfd_cell bk_devs[] = {
94 {"88pm860x-backlight", 0,},
95 {"88pm860x-backlight", 1,},
96 {"88pm860x-backlight", 2,},
97 };
98
99 static struct mfd_cell led_devs[] = {
100 {"88pm860x-led", 0,},
101 {"88pm860x-led", 1,},
102 {"88pm860x-led", 2,},
103 {"88pm860x-led", 3,},
104 {"88pm860x-led", 4,},
105 {"88pm860x-led", 5,},
106 };
107
108 static struct mfd_cell regulator_devs[] = {
109 {"88pm860x-regulator", 0,},
110 {"88pm860x-regulator", 1,},
111 {"88pm860x-regulator", 2,},
112 {"88pm860x-regulator", 3,},
113 {"88pm860x-regulator", 4,},
114 {"88pm860x-regulator", 5,},
115 {"88pm860x-regulator", 6,},
116 {"88pm860x-regulator", 7,},
117 {"88pm860x-regulator", 8,},
118 {"88pm860x-regulator", 9,},
119 {"88pm860x-regulator", 10,},
120 {"88pm860x-regulator", 11,},
121 {"88pm860x-regulator", 12,},
122 {"88pm860x-regulator", 13,},
123 {"88pm860x-regulator", 14,},
124 {"88pm860x-regulator", 15,},
125 {"88pm860x-regulator", 16,},
126 {"88pm860x-regulator", 17,},
127 };
128
129 static struct mfd_cell touch_devs[] = {
130 {"88pm860x-touch", -1,},
131 };
132
133 static struct mfd_cell onkey_devs[] = {
134 {"88pm860x-onkey", -1,},
135 };
136
137 static struct mfd_cell codec_devs[] = {
138 {"88pm860x-codec", -1,},
139 };
140
141 static struct mfd_cell power_devs[] = {
142 {"88pm860x-battery", -1,},
143 {"88pm860x-charger", -1,},
144 };
145
146 static struct pm860x_backlight_pdata bk_pdata[ARRAY_SIZE(bk_devs)];
147 static struct pm860x_led_pdata led_pdata[ARRAY_SIZE(led_devs)];
148 static struct regulator_init_data regulator_pdata[ARRAY_SIZE(regulator_devs)];
149 static struct pm860x_touch_pdata touch_pdata;
150 static struct pm860x_power_pdata power_pdata;
151
152 struct pm860x_irq_data {
153 int reg;
154 int mask_reg;
155 int enable; /* enable or not */
156 int offs; /* bit offset in mask register */
157 };
158
159 static struct pm860x_irq_data pm860x_irqs[] = {
160 [PM8607_IRQ_ONKEY] = {
161 .reg = PM8607_INT_STATUS1,
162 .mask_reg = PM8607_INT_MASK_1,
163 .offs = 1 << 0,
164 },
165 [PM8607_IRQ_EXTON] = {
166 .reg = PM8607_INT_STATUS1,
167 .mask_reg = PM8607_INT_MASK_1,
168 .offs = 1 << 1,
169 },
170 [PM8607_IRQ_CHG] = {
171 .reg = PM8607_INT_STATUS1,
172 .mask_reg = PM8607_INT_MASK_1,
173 .offs = 1 << 2,
174 },
175 [PM8607_IRQ_BAT] = {
176 .reg = PM8607_INT_STATUS1,
177 .mask_reg = PM8607_INT_MASK_1,
178 .offs = 1 << 3,
179 },
180 [PM8607_IRQ_RTC] = {
181 .reg = PM8607_INT_STATUS1,
182 .mask_reg = PM8607_INT_MASK_1,
183 .offs = 1 << 4,
184 },
185 [PM8607_IRQ_CC] = {
186 .reg = PM8607_INT_STATUS1,
187 .mask_reg = PM8607_INT_MASK_1,
188 .offs = 1 << 5,
189 },
190 [PM8607_IRQ_VBAT] = {
191 .reg = PM8607_INT_STATUS2,
192 .mask_reg = PM8607_INT_MASK_2,
193 .offs = 1 << 0,
194 },
195 [PM8607_IRQ_VCHG] = {
196 .reg = PM8607_INT_STATUS2,
197 .mask_reg = PM8607_INT_MASK_2,
198 .offs = 1 << 1,
199 },
200 [PM8607_IRQ_VSYS] = {
201 .reg = PM8607_INT_STATUS2,
202 .mask_reg = PM8607_INT_MASK_2,
203 .offs = 1 << 2,
204 },
205 [PM8607_IRQ_TINT] = {
206 .reg = PM8607_INT_STATUS2,
207 .mask_reg = PM8607_INT_MASK_2,
208 .offs = 1 << 3,
209 },
210 [PM8607_IRQ_GPADC0] = {
211 .reg = PM8607_INT_STATUS2,
212 .mask_reg = PM8607_INT_MASK_2,
213 .offs = 1 << 4,
214 },
215 [PM8607_IRQ_GPADC1] = {
216 .reg = PM8607_INT_STATUS2,
217 .mask_reg = PM8607_INT_MASK_2,
218 .offs = 1 << 5,
219 },
220 [PM8607_IRQ_GPADC2] = {
221 .reg = PM8607_INT_STATUS2,
222 .mask_reg = PM8607_INT_MASK_2,
223 .offs = 1 << 6,
224 },
225 [PM8607_IRQ_GPADC3] = {
226 .reg = PM8607_INT_STATUS2,
227 .mask_reg = PM8607_INT_MASK_2,
228 .offs = 1 << 7,
229 },
230 [PM8607_IRQ_AUDIO_SHORT] = {
231 .reg = PM8607_INT_STATUS3,
232 .mask_reg = PM8607_INT_MASK_3,
233 .offs = 1 << 0,
234 },
235 [PM8607_IRQ_PEN] = {
236 .reg = PM8607_INT_STATUS3,
237 .mask_reg = PM8607_INT_MASK_3,
238 .offs = 1 << 1,
239 },
240 [PM8607_IRQ_HEADSET] = {
241 .reg = PM8607_INT_STATUS3,
242 .mask_reg = PM8607_INT_MASK_3,
243 .offs = 1 << 2,
244 },
245 [PM8607_IRQ_HOOK] = {
246 .reg = PM8607_INT_STATUS3,
247 .mask_reg = PM8607_INT_MASK_3,
248 .offs = 1 << 3,
249 },
250 [PM8607_IRQ_MICIN] = {
251 .reg = PM8607_INT_STATUS3,
252 .mask_reg = PM8607_INT_MASK_3,
253 .offs = 1 << 4,
254 },
255 [PM8607_IRQ_CHG_FAIL] = {
256 .reg = PM8607_INT_STATUS3,
257 .mask_reg = PM8607_INT_MASK_3,
258 .offs = 1 << 5,
259 },
260 [PM8607_IRQ_CHG_DONE] = {
261 .reg = PM8607_INT_STATUS3,
262 .mask_reg = PM8607_INT_MASK_3,
263 .offs = 1 << 6,
264 },
265 [PM8607_IRQ_CHG_FAULT] = {
266 .reg = PM8607_INT_STATUS3,
267 .mask_reg = PM8607_INT_MASK_3,
268 .offs = 1 << 7,
269 },
270 };
271
272 static irqreturn_t pm860x_irq(int irq, void *data)
273 {
274 struct pm860x_chip *chip = data;
275 struct pm860x_irq_data *irq_data;
276 struct i2c_client *i2c;
277 int read_reg = -1, value = 0;
278 int i;
279
280 i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion;
281 for (i = 0; i < ARRAY_SIZE(pm860x_irqs); i++) {
282 irq_data = &pm860x_irqs[i];
283 if (read_reg != irq_data->reg) {
284 read_reg = irq_data->reg;
285 value = pm860x_reg_read(i2c, irq_data->reg);
286 }
287 if (value & irq_data->enable)
288 handle_nested_irq(chip->irq_base + i);
289 }
290 return IRQ_HANDLED;
291 }
292
293 static void pm860x_irq_lock(struct irq_data *data)
294 {
295 struct pm860x_chip *chip = irq_data_get_irq_chip_data(data);
296
297 mutex_lock(&chip->irq_lock);
298 }
299
300 static void pm860x_irq_sync_unlock(struct irq_data *data)
301 {
302 struct pm860x_chip *chip = irq_data_get_irq_chip_data(data);
303 struct pm860x_irq_data *irq_data;
304 struct i2c_client *i2c;
305 static unsigned char cached[3] = {0x0, 0x0, 0x0};
306 unsigned char mask[3];
307 int i;
308
309 i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion;
310 /* Load cached value. In initial, all IRQs are masked */
311 for (i = 0; i < 3; i++)
312 mask[i] = cached[i];
313 for (i = 0; i < ARRAY_SIZE(pm860x_irqs); i++) {
314 irq_data = &pm860x_irqs[i];
315 switch (irq_data->mask_reg) {
316 case PM8607_INT_MASK_1:
317 mask[0] &= ~irq_data->offs;
318 mask[0] |= irq_data->enable;
319 break;
320 case PM8607_INT_MASK_2:
321 mask[1] &= ~irq_data->offs;
322 mask[1] |= irq_data->enable;
323 break;
324 case PM8607_INT_MASK_3:
325 mask[2] &= ~irq_data->offs;
326 mask[2] |= irq_data->enable;
327 break;
328 default:
329 dev_err(chip->dev, "wrong IRQ\n");
330 break;
331 }
332 }
333 /* update mask into registers */
334 for (i = 0; i < 3; i++) {
335 if (mask[i] != cached[i]) {
336 cached[i] = mask[i];
337 pm860x_reg_write(i2c, PM8607_INT_MASK_1 + i, mask[i]);
338 }
339 }
340
341 mutex_unlock(&chip->irq_lock);
342 }
343
344 static void pm860x_irq_enable(struct irq_data *data)
345 {
346 struct pm860x_chip *chip = irq_data_get_irq_chip_data(data);
347 pm860x_irqs[data->irq - chip->irq_base].enable
348 = pm860x_irqs[data->irq - chip->irq_base].offs;
349 }
350
351 static void pm860x_irq_disable(struct irq_data *data)
352 {
353 struct pm860x_chip *chip = irq_data_get_irq_chip_data(data);
354 pm860x_irqs[data->irq - chip->irq_base].enable = 0;
355 }
356
357 static struct irq_chip pm860x_irq_chip = {
358 .name = "88pm860x",
359 .irq_bus_lock = pm860x_irq_lock,
360 .irq_bus_sync_unlock = pm860x_irq_sync_unlock,
361 .irq_enable = pm860x_irq_enable,
362 .irq_disable = pm860x_irq_disable,
363 };
364
365 static int __devinit device_gpadc_init(struct pm860x_chip *chip,
366 struct pm860x_platform_data *pdata)
367 {
368 struct i2c_client *i2c = (chip->id == CHIP_PM8607) ? chip->client \
369 : chip->companion;
370 int data;
371 int ret;
372
373 /* initialize GPADC without activating it */
374
375 if (!pdata || !pdata->touch)
376 return -EINVAL;
377
378 /* set GPADC MISC1 register */
379 data = 0;
380 data |= (pdata->touch->gpadc_prebias << 1) & PM8607_GPADC_PREBIAS_MASK;
381 data |= (pdata->touch->slot_cycle << 3) & PM8607_GPADC_SLOT_CYCLE_MASK;
382 data |= (pdata->touch->off_scale << 5) & PM8607_GPADC_OFF_SCALE_MASK;
383 data |= (pdata->touch->sw_cal << 7) & PM8607_GPADC_SW_CAL_MASK;
384 if (data) {
385 ret = pm860x_reg_write(i2c, PM8607_GPADC_MISC1, data);
386 if (ret < 0)
387 goto out;
388 }
389 /* set tsi prebias time */
390 if (pdata->touch->tsi_prebias) {
391 data = pdata->touch->tsi_prebias;
392 ret = pm860x_reg_write(i2c, PM8607_TSI_PREBIAS, data);
393 if (ret < 0)
394 goto out;
395 }
396 /* set prebias & prechg time of pen detect */
397 data = 0;
398 data |= pdata->touch->pen_prebias & PM8607_PD_PREBIAS_MASK;
399 data |= (pdata->touch->pen_prechg << 5) & PM8607_PD_PRECHG_MASK;
400 if (data) {
401 ret = pm860x_reg_write(i2c, PM8607_PD_PREBIAS, data);
402 if (ret < 0)
403 goto out;
404 }
405
406 ret = pm860x_set_bits(i2c, PM8607_GPADC_MISC1,
407 PM8607_GPADC_EN, PM8607_GPADC_EN);
408 out:
409 return ret;
410 }
411
412 static int __devinit device_irq_init(struct pm860x_chip *chip,
413 struct pm860x_platform_data *pdata)
414 {
415 struct i2c_client *i2c = (chip->id == CHIP_PM8607) ? chip->client \
416 : chip->companion;
417 unsigned char status_buf[INT_STATUS_NUM];
418 unsigned long flags = IRQF_TRIGGER_FALLING | IRQF_ONESHOT;
419 int i, data, mask, ret = -EINVAL;
420 int __irq;
421
422 if (!pdata || !pdata->irq_base) {
423 dev_warn(chip->dev, "No interrupt support on IRQ base\n");
424 return -EINVAL;
425 }
426
427 mask = PM8607_B0_MISC1_INV_INT | PM8607_B0_MISC1_INT_CLEAR
428 | PM8607_B0_MISC1_INT_MASK;
429 data = 0;
430 chip->irq_mode = 0;
431 if (pdata && pdata->irq_mode) {
432 /*
433 * irq_mode defines the way of clearing interrupt. If it's 1,
434 * clear IRQ by write. Otherwise, clear it by read.
435 * This control bit is valid from 88PM8607 B0 steping.
436 */
437 data |= PM8607_B0_MISC1_INT_CLEAR;
438 chip->irq_mode = 1;
439 }
440 ret = pm860x_set_bits(i2c, PM8607_B0_MISC1, mask, data);
441 if (ret < 0)
442 goto out;
443
444 /* mask all IRQs */
445 memset(status_buf, 0, INT_STATUS_NUM);
446 ret = pm860x_bulk_write(i2c, PM8607_INT_MASK_1,
447 INT_STATUS_NUM, status_buf);
448 if (ret < 0)
449 goto out;
450
451 if (chip->irq_mode) {
452 /* clear interrupt status by write */
453 memset(status_buf, 0xFF, INT_STATUS_NUM);
454 ret = pm860x_bulk_write(i2c, PM8607_INT_STATUS1,
455 INT_STATUS_NUM, status_buf);
456 } else {
457 /* clear interrupt status by read */
458 ret = pm860x_bulk_read(i2c, PM8607_INT_STATUS1,
459 INT_STATUS_NUM, status_buf);
460 }
461 if (ret < 0)
462 goto out;
463
464 mutex_init(&chip->irq_lock);
465 chip->irq_base = pdata->irq_base;
466 chip->core_irq = i2c->irq;
467 if (!chip->core_irq)
468 goto out;
469
470 /* register IRQ by genirq */
471 for (i = 0; i < ARRAY_SIZE(pm860x_irqs); i++) {
472 __irq = i + chip->irq_base;
473 irq_set_chip_data(__irq, chip);
474 irq_set_chip_and_handler(__irq, &pm860x_irq_chip,
475 handle_edge_irq);
476 irq_set_nested_thread(__irq, 1);
477 #ifdef CONFIG_ARM
478 set_irq_flags(__irq, IRQF_VALID);
479 #else
480 irq_set_noprobe(__irq);
481 #endif
482 }
483
484 ret = request_threaded_irq(chip->core_irq, NULL, pm860x_irq, flags,
485 "88pm860x", chip);
486 if (ret) {
487 dev_err(chip->dev, "Failed to request IRQ: %d\n", ret);
488 chip->core_irq = 0;
489 }
490
491 return 0;
492 out:
493 chip->core_irq = 0;
494 return ret;
495 }
496
497 static void device_irq_exit(struct pm860x_chip *chip)
498 {
499 if (chip->core_irq)
500 free_irq(chip->core_irq, chip);
501 }
502
503 static void __devinit device_bk_init(struct pm860x_chip *chip,
504 struct i2c_client *i2c,
505 struct pm860x_platform_data *pdata)
506 {
507 int ret;
508 int i, j, id;
509
510 if ((pdata == NULL) || (pdata->backlight == NULL))
511 return;
512
513 if (pdata->num_backlights > ARRAY_SIZE(bk_devs))
514 pdata->num_backlights = ARRAY_SIZE(bk_devs);
515
516 for (i = 0; i < pdata->num_backlights; i++) {
517 memcpy(&bk_pdata[i], &pdata->backlight[i],
518 sizeof(struct pm860x_backlight_pdata));
519 bk_devs[i].platform_data = &bk_pdata[i];
520 bk_devs[i].pdata_size = sizeof(bk_pdata[i]);
521
522 for (j = 0; j < ARRAY_SIZE(bk_devs); j++) {
523 id = bk_resources[j].start;
524 if (bk_pdata[i].flags != id)
525 continue;
526
527 bk_devs[i].num_resources = 1;
528 bk_devs[i].resources = &bk_resources[j];
529 ret = mfd_add_devices(chip->dev, 0,
530 &bk_devs[i], 1,
531 &bk_resources[j], 0);
532 if (ret < 0) {
533 dev_err(chip->dev, "Failed to add "
534 "backlight subdev\n");
535 return;
536 }
537 }
538 }
539 }
540
541 static void __devinit device_led_init(struct pm860x_chip *chip,
542 struct i2c_client *i2c,
543 struct pm860x_platform_data *pdata)
544 {
545 int ret;
546 int i, j, id;
547
548 if ((pdata == NULL) || (pdata->led == NULL))
549 return;
550
551 if (pdata->num_leds > ARRAY_SIZE(led_devs))
552 pdata->num_leds = ARRAY_SIZE(led_devs);
553
554 for (i = 0; i < pdata->num_leds; i++) {
555 memcpy(&led_pdata[i], &pdata->led[i],
556 sizeof(struct pm860x_led_pdata));
557 led_devs[i].platform_data = &led_pdata[i];
558 led_devs[i].pdata_size = sizeof(led_pdata[i]);
559
560 for (j = 0; j < ARRAY_SIZE(led_devs); j++) {
561 id = led_resources[j].start;
562 if (led_pdata[i].flags != id)
563 continue;
564
565 led_devs[i].num_resources = 1;
566 led_devs[i].resources = &led_resources[j],
567 ret = mfd_add_devices(chip->dev, 0,
568 &led_devs[i], 1,
569 &led_resources[j], 0);
570 if (ret < 0) {
571 dev_err(chip->dev, "Failed to add "
572 "led subdev\n");
573 return;
574 }
575 }
576 }
577 }
578
579 static void __devinit device_regulator_init(struct pm860x_chip *chip,
580 struct i2c_client *i2c,
581 struct pm860x_platform_data *pdata)
582 {
583 struct regulator_init_data *initdata;
584 int ret;
585 int i, j;
586
587 if ((pdata == NULL) || (pdata->regulator == NULL))
588 return;
589
590 if (pdata->num_regulators > ARRAY_SIZE(regulator_devs))
591 pdata->num_regulators = ARRAY_SIZE(regulator_devs);
592
593 for (i = 0, j = -1; i < pdata->num_regulators; i++) {
594 initdata = &pdata->regulator[i];
595 if (strstr(initdata->constraints.name, "BUCK")) {
596 sscanf(initdata->constraints.name, "BUCK%d", &j);
597 /* BUCK1 ~ BUCK3 */
598 if ((j < 1) || (j > 3)) {
599 dev_err(chip->dev, "Failed to add constraint "
600 "(%s)\n", initdata->constraints.name);
601 goto out;
602 }
603 j = (j - 1) + PM8607_ID_BUCK1;
604 }
605 if (strstr(initdata->constraints.name, "LDO")) {
606 sscanf(initdata->constraints.name, "LDO%d", &j);
607 /* LDO1 ~ LDO15 */
608 if ((j < 1) || (j > 15)) {
609 dev_err(chip->dev, "Failed to add constraint "
610 "(%s)\n", initdata->constraints.name);
611 goto out;
612 }
613 j = (j - 1) + PM8607_ID_LDO1;
614 }
615 if (j == -1) {
616 dev_err(chip->dev, "Failed to add constraint (%s)\n",
617 initdata->constraints.name);
618 goto out;
619 }
620 memcpy(&regulator_pdata[i], &pdata->regulator[i],
621 sizeof(struct regulator_init_data));
622 regulator_devs[i].platform_data = &regulator_pdata[i];
623 regulator_devs[i].pdata_size = sizeof(regulator_pdata[i]);
624 regulator_devs[i].num_resources = 1;
625 regulator_devs[i].resources = &regulator_resources[j];
626
627 ret = mfd_add_devices(chip->dev, 0, &regulator_devs[i], 1,
628 &regulator_resources[j], 0);
629 if (ret < 0) {
630 dev_err(chip->dev, "Failed to add regulator subdev\n");
631 goto out;
632 }
633 }
634 out:
635 return;
636 }
637
638 static void __devinit device_touch_init(struct pm860x_chip *chip,
639 struct i2c_client *i2c,
640 struct pm860x_platform_data *pdata)
641 {
642 int ret;
643
644 if ((pdata == NULL) || (pdata->touch == NULL))
645 return;
646
647 memcpy(&touch_pdata, pdata->touch, sizeof(struct pm860x_touch_pdata));
648 touch_devs[0].platform_data = &touch_pdata;
649 touch_devs[0].pdata_size = sizeof(touch_pdata);
650 touch_devs[0].num_resources = ARRAY_SIZE(touch_resources);
651 touch_devs[0].resources = &touch_resources[0];
652 ret = mfd_add_devices(chip->dev, 0, &touch_devs[0],
653 ARRAY_SIZE(touch_devs), &touch_resources[0],
654 chip->irq_base);
655 if (ret < 0)
656 dev_err(chip->dev, "Failed to add touch subdev\n");
657 }
658
659 static void __devinit device_power_init(struct pm860x_chip *chip,
660 struct i2c_client *i2c,
661 struct pm860x_platform_data *pdata)
662 {
663 int ret;
664
665 if ((pdata == NULL) || (pdata->power == NULL))
666 return;
667
668 memcpy(&power_pdata, pdata->power, sizeof(struct pm860x_power_pdata));
669 power_devs[0].platform_data = &power_pdata;
670 power_devs[0].pdata_size = sizeof(power_pdata);
671 power_devs[0].num_resources = ARRAY_SIZE(battery_resources);
672 power_devs[0].resources = &battery_resources[0],
673 ret = mfd_add_devices(chip->dev, 0, &power_devs[0], 1,
674 &battery_resources[0], chip->irq_base);
675 if (ret < 0)
676 dev_err(chip->dev, "Failed to add battery subdev\n");
677
678 power_devs[1].platform_data = &power_pdata;
679 power_devs[0].pdata_size = sizeof(power_pdata);
680 power_devs[1].num_resources = ARRAY_SIZE(charger_resources);
681 power_devs[1].resources = &charger_resources[0],
682 ret = mfd_add_devices(chip->dev, 0, &power_devs[1], 1,
683 &charger_resources[0], chip->irq_base);
684 if (ret < 0)
685 dev_err(chip->dev, "Failed to add charger subdev\n");
686 }
687
688 static void __devinit device_onkey_init(struct pm860x_chip *chip,
689 struct i2c_client *i2c,
690 struct pm860x_platform_data *pdata)
691 {
692 int ret;
693
694 onkey_devs[0].num_resources = ARRAY_SIZE(onkey_resources);
695 onkey_devs[0].resources = &onkey_resources[0],
696 ret = mfd_add_devices(chip->dev, 0, &onkey_devs[0],
697 ARRAY_SIZE(onkey_devs), &onkey_resources[0],
698 chip->irq_base);
699 if (ret < 0)
700 dev_err(chip->dev, "Failed to add onkey subdev\n");
701 }
702
703 static void __devinit device_codec_init(struct pm860x_chip *chip,
704 struct i2c_client *i2c,
705 struct pm860x_platform_data *pdata)
706 {
707 int ret;
708
709 codec_devs[0].num_resources = ARRAY_SIZE(codec_resources);
710 codec_devs[0].resources = &codec_resources[0],
711 ret = mfd_add_devices(chip->dev, 0, &codec_devs[0],
712 ARRAY_SIZE(codec_devs), &codec_resources[0], 0);
713 if (ret < 0)
714 dev_err(chip->dev, "Failed to add codec subdev\n");
715 }
716
717 static void __devinit device_8607_init(struct pm860x_chip *chip,
718 struct i2c_client *i2c,
719 struct pm860x_platform_data *pdata)
720 {
721 int data, ret;
722
723 ret = pm860x_reg_read(i2c, PM8607_CHIP_ID);
724 if (ret < 0) {
725 dev_err(chip->dev, "Failed to read CHIP ID: %d\n", ret);
726 goto out;
727 }
728 switch (ret & PM8607_VERSION_MASK) {
729 case 0x40:
730 case 0x50:
731 dev_info(chip->dev, "Marvell 88PM8607 (ID: %02x) detected\n",
732 ret);
733 break;
734 default:
735 dev_err(chip->dev, "Failed to detect Marvell 88PM8607. "
736 "Chip ID: %02x\n", ret);
737 goto out;
738 }
739
740 ret = pm860x_reg_read(i2c, PM8607_BUCK3);
741 if (ret < 0) {
742 dev_err(chip->dev, "Failed to read BUCK3 register: %d\n", ret);
743 goto out;
744 }
745 if (ret & PM8607_BUCK3_DOUBLE)
746 chip->buck3_double = 1;
747
748 ret = pm860x_reg_read(i2c, PM8607_B0_MISC1);
749 if (ret < 0) {
750 dev_err(chip->dev, "Failed to read MISC1 register: %d\n", ret);
751 goto out;
752 }
753
754 if (pdata && (pdata->i2c_port == PI2C_PORT))
755 data = PM8607_B0_MISC1_PI2C;
756 else
757 data = 0;
758 ret = pm860x_set_bits(i2c, PM8607_B0_MISC1, PM8607_B0_MISC1_PI2C, data);
759 if (ret < 0) {
760 dev_err(chip->dev, "Failed to access MISC1:%d\n", ret);
761 goto out;
762 }
763
764 ret = device_gpadc_init(chip, pdata);
765 if (ret < 0)
766 goto out;
767
768 ret = device_irq_init(chip, pdata);
769 if (ret < 0)
770 goto out;
771
772 device_regulator_init(chip, i2c, pdata);
773 device_onkey_init(chip, i2c, pdata);
774 device_touch_init(chip, i2c, pdata);
775 device_power_init(chip, i2c, pdata);
776 device_codec_init(chip, i2c, pdata);
777 out:
778 return;
779 }
780
781 int __devinit pm860x_device_init(struct pm860x_chip *chip,
782 struct pm860x_platform_data *pdata)
783 {
784 chip->core_irq = 0;
785
786 switch (chip->id) {
787 case CHIP_PM8606:
788 device_bk_init(chip, chip->client, pdata);
789 device_led_init(chip, chip->client, pdata);
790 break;
791 case CHIP_PM8607:
792 device_8607_init(chip, chip->client, pdata);
793 break;
794 }
795
796 if (chip->companion) {
797 switch (chip->id) {
798 case CHIP_PM8607:
799 device_bk_init(chip, chip->companion, pdata);
800 device_led_init(chip, chip->companion, pdata);
801 break;
802 case CHIP_PM8606:
803 device_8607_init(chip, chip->companion, pdata);
804 break;
805 }
806 }
807
808 return 0;
809 }
810
811 void __devexit pm860x_device_exit(struct pm860x_chip *chip)
812 {
813 device_irq_exit(chip);
814 mfd_remove_devices(chip->dev);
815 }
816
817 MODULE_DESCRIPTION("PMIC Driver for Marvell 88PM860x");
818 MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
819 MODULE_LICENSE("GPL");
linux-next