MFD: twl4030-audio: Rename platform data
[linux-2.6.git] / drivers / mfd / 88pm860x-core.c
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 resource rtc_resources[] __devinitdata = {
94         {PM8607_IRQ_RTC, PM8607_IRQ_RTC, "rtc", IORESOURCE_IRQ,},
95 };
96
97 static struct mfd_cell bk_devs[] = {
98         {"88pm860x-backlight", 0,},
99         {"88pm860x-backlight", 1,},
100         {"88pm860x-backlight", 2,},
101 };
102
103 static struct mfd_cell led_devs[] = {
104         {"88pm860x-led", 0,},
105         {"88pm860x-led", 1,},
106         {"88pm860x-led", 2,},
107         {"88pm860x-led", 3,},
108         {"88pm860x-led", 4,},
109         {"88pm860x-led", 5,},
110 };
111
112 static struct mfd_cell regulator_devs[] = {
113         {"88pm860x-regulator", 0,},
114         {"88pm860x-regulator", 1,},
115         {"88pm860x-regulator", 2,},
116         {"88pm860x-regulator", 3,},
117         {"88pm860x-regulator", 4,},
118         {"88pm860x-regulator", 5,},
119         {"88pm860x-regulator", 6,},
120         {"88pm860x-regulator", 7,},
121         {"88pm860x-regulator", 8,},
122         {"88pm860x-regulator", 9,},
123         {"88pm860x-regulator", 10,},
124         {"88pm860x-regulator", 11,},
125         {"88pm860x-regulator", 12,},
126         {"88pm860x-regulator", 13,},
127         {"88pm860x-regulator", 14,},
128         {"88pm860x-regulator", 15,},
129         {"88pm860x-regulator", 16,},
130         {"88pm860x-regulator", 17,},
131 };
132
133 static struct mfd_cell touch_devs[] = {
134         {"88pm860x-touch", -1,},
135 };
136
137 static struct mfd_cell onkey_devs[] = {
138         {"88pm860x-onkey", -1,},
139 };
140
141 static struct mfd_cell codec_devs[] = {
142         {"88pm860x-codec", -1,},
143 };
144
145 static struct mfd_cell power_devs[] = {
146         {"88pm860x-battery", -1,},
147         {"88pm860x-charger", -1,},
148 };
149
150 static struct mfd_cell rtc_devs[] = {
151         {"88pm860x-rtc", -1,},
152 };
153
154
155 struct pm860x_irq_data {
156         int     reg;
157         int     mask_reg;
158         int     enable;         /* enable or not */
159         int     offs;           /* bit offset in mask register */
160 };
161
162 static struct pm860x_irq_data pm860x_irqs[] = {
163         [PM8607_IRQ_ONKEY] = {
164                 .reg            = PM8607_INT_STATUS1,
165                 .mask_reg       = PM8607_INT_MASK_1,
166                 .offs           = 1 << 0,
167         },
168         [PM8607_IRQ_EXTON] = {
169                 .reg            = PM8607_INT_STATUS1,
170                 .mask_reg       = PM8607_INT_MASK_1,
171                 .offs           = 1 << 1,
172         },
173         [PM8607_IRQ_CHG] = {
174                 .reg            = PM8607_INT_STATUS1,
175                 .mask_reg       = PM8607_INT_MASK_1,
176                 .offs           = 1 << 2,
177         },
178         [PM8607_IRQ_BAT] = {
179                 .reg            = PM8607_INT_STATUS1,
180                 .mask_reg       = PM8607_INT_MASK_1,
181                 .offs           = 1 << 3,
182         },
183         [PM8607_IRQ_RTC] = {
184                 .reg            = PM8607_INT_STATUS1,
185                 .mask_reg       = PM8607_INT_MASK_1,
186                 .offs           = 1 << 4,
187         },
188         [PM8607_IRQ_CC] = {
189                 .reg            = PM8607_INT_STATUS1,
190                 .mask_reg       = PM8607_INT_MASK_1,
191                 .offs           = 1 << 5,
192         },
193         [PM8607_IRQ_VBAT] = {
194                 .reg            = PM8607_INT_STATUS2,
195                 .mask_reg       = PM8607_INT_MASK_2,
196                 .offs           = 1 << 0,
197         },
198         [PM8607_IRQ_VCHG] = {
199                 .reg            = PM8607_INT_STATUS2,
200                 .mask_reg       = PM8607_INT_MASK_2,
201                 .offs           = 1 << 1,
202         },
203         [PM8607_IRQ_VSYS] = {
204                 .reg            = PM8607_INT_STATUS2,
205                 .mask_reg       = PM8607_INT_MASK_2,
206                 .offs           = 1 << 2,
207         },
208         [PM8607_IRQ_TINT] = {
209                 .reg            = PM8607_INT_STATUS2,
210                 .mask_reg       = PM8607_INT_MASK_2,
211                 .offs           = 1 << 3,
212         },
213         [PM8607_IRQ_GPADC0] = {
214                 .reg            = PM8607_INT_STATUS2,
215                 .mask_reg       = PM8607_INT_MASK_2,
216                 .offs           = 1 << 4,
217         },
218         [PM8607_IRQ_GPADC1] = {
219                 .reg            = PM8607_INT_STATUS2,
220                 .mask_reg       = PM8607_INT_MASK_2,
221                 .offs           = 1 << 5,
222         },
223         [PM8607_IRQ_GPADC2] = {
224                 .reg            = PM8607_INT_STATUS2,
225                 .mask_reg       = PM8607_INT_MASK_2,
226                 .offs           = 1 << 6,
227         },
228         [PM8607_IRQ_GPADC3] = {
229                 .reg            = PM8607_INT_STATUS2,
230                 .mask_reg       = PM8607_INT_MASK_2,
231                 .offs           = 1 << 7,
232         },
233         [PM8607_IRQ_AUDIO_SHORT] = {
234                 .reg            = PM8607_INT_STATUS3,
235                 .mask_reg       = PM8607_INT_MASK_3,
236                 .offs           = 1 << 0,
237         },
238         [PM8607_IRQ_PEN] = {
239                 .reg            = PM8607_INT_STATUS3,
240                 .mask_reg       = PM8607_INT_MASK_3,
241                 .offs           = 1 << 1,
242         },
243         [PM8607_IRQ_HEADSET] = {
244                 .reg            = PM8607_INT_STATUS3,
245                 .mask_reg       = PM8607_INT_MASK_3,
246                 .offs           = 1 << 2,
247         },
248         [PM8607_IRQ_HOOK] = {
249                 .reg            = PM8607_INT_STATUS3,
250                 .mask_reg       = PM8607_INT_MASK_3,
251                 .offs           = 1 << 3,
252         },
253         [PM8607_IRQ_MICIN] = {
254                 .reg            = PM8607_INT_STATUS3,
255                 .mask_reg       = PM8607_INT_MASK_3,
256                 .offs           = 1 << 4,
257         },
258         [PM8607_IRQ_CHG_FAIL] = {
259                 .reg            = PM8607_INT_STATUS3,
260                 .mask_reg       = PM8607_INT_MASK_3,
261                 .offs           = 1 << 5,
262         },
263         [PM8607_IRQ_CHG_DONE] = {
264                 .reg            = PM8607_INT_STATUS3,
265                 .mask_reg       = PM8607_INT_MASK_3,
266                 .offs           = 1 << 6,
267         },
268         [PM8607_IRQ_CHG_FAULT] = {
269                 .reg            = PM8607_INT_STATUS3,
270                 .mask_reg       = PM8607_INT_MASK_3,
271                 .offs           = 1 << 7,
272         },
273 };
274
275 static irqreturn_t pm860x_irq(int irq, void *data)
276 {
277         struct pm860x_chip *chip = data;
278         struct pm860x_irq_data *irq_data;
279         struct i2c_client *i2c;
280         int read_reg = -1, value = 0;
281         int i;
282
283         i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion;
284         for (i = 0; i < ARRAY_SIZE(pm860x_irqs); i++) {
285                 irq_data = &pm860x_irqs[i];
286                 if (read_reg != irq_data->reg) {
287                         read_reg = irq_data->reg;
288                         value = pm860x_reg_read(i2c, irq_data->reg);
289                 }
290                 if (value & irq_data->enable)
291                         handle_nested_irq(chip->irq_base + i);
292         }
293         return IRQ_HANDLED;
294 }
295
296 static void pm860x_irq_lock(struct irq_data *data)
297 {
298         struct pm860x_chip *chip = irq_data_get_irq_chip_data(data);
299
300         mutex_lock(&chip->irq_lock);
301 }
302
303 static void pm860x_irq_sync_unlock(struct irq_data *data)
304 {
305         struct pm860x_chip *chip = irq_data_get_irq_chip_data(data);
306         struct pm860x_irq_data *irq_data;
307         struct i2c_client *i2c;
308         static unsigned char cached[3] = {0x0, 0x0, 0x0};
309         unsigned char mask[3];
310         int i;
311
312         i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion;
313         /* Load cached value. In initial, all IRQs are masked */
314         for (i = 0; i < 3; i++)
315                 mask[i] = cached[i];
316         for (i = 0; i < ARRAY_SIZE(pm860x_irqs); i++) {
317                 irq_data = &pm860x_irqs[i];
318                 switch (irq_data->mask_reg) {
319                 case PM8607_INT_MASK_1:
320                         mask[0] &= ~irq_data->offs;
321                         mask[0] |= irq_data->enable;
322                         break;
323                 case PM8607_INT_MASK_2:
324                         mask[1] &= ~irq_data->offs;
325                         mask[1] |= irq_data->enable;
326                         break;
327                 case PM8607_INT_MASK_3:
328                         mask[2] &= ~irq_data->offs;
329                         mask[2] |= irq_data->enable;
330                         break;
331                 default:
332                         dev_err(chip->dev, "wrong IRQ\n");
333                         break;
334                 }
335         }
336         /* update mask into registers */
337         for (i = 0; i < 3; i++) {
338                 if (mask[i] != cached[i]) {
339                         cached[i] = mask[i];
340                         pm860x_reg_write(i2c, PM8607_INT_MASK_1 + i, mask[i]);
341                 }
342         }
343
344         mutex_unlock(&chip->irq_lock);
345 }
346
347 static void pm860x_irq_enable(struct irq_data *data)
348 {
349         struct pm860x_chip *chip = irq_data_get_irq_chip_data(data);
350         pm860x_irqs[data->irq - chip->irq_base].enable
351                 = pm860x_irqs[data->irq - chip->irq_base].offs;
352 }
353
354 static void pm860x_irq_disable(struct irq_data *data)
355 {
356         struct pm860x_chip *chip = irq_data_get_irq_chip_data(data);
357         pm860x_irqs[data->irq - chip->irq_base].enable = 0;
358 }
359
360 static struct irq_chip pm860x_irq_chip = {
361         .name           = "88pm860x",
362         .irq_bus_lock   = pm860x_irq_lock,
363         .irq_bus_sync_unlock = pm860x_irq_sync_unlock,
364         .irq_enable     = pm860x_irq_enable,
365         .irq_disable    = pm860x_irq_disable,
366 };
367
368 static int __devinit device_gpadc_init(struct pm860x_chip *chip,
369                                        struct pm860x_platform_data *pdata)
370 {
371         struct i2c_client *i2c = (chip->id == CHIP_PM8607) ? chip->client \
372                                 : chip->companion;
373         int data;
374         int ret;
375
376         /* initialize GPADC without activating it */
377
378         if (!pdata || !pdata->touch)
379                 return -EINVAL;
380
381         /* set GPADC MISC1 register */
382         data = 0;
383         data |= (pdata->touch->gpadc_prebias << 1) & PM8607_GPADC_PREBIAS_MASK;
384         data |= (pdata->touch->slot_cycle << 3) & PM8607_GPADC_SLOT_CYCLE_MASK;
385         data |= (pdata->touch->off_scale << 5) & PM8607_GPADC_OFF_SCALE_MASK;
386         data |= (pdata->touch->sw_cal << 7) & PM8607_GPADC_SW_CAL_MASK;
387         if (data) {
388                 ret = pm860x_reg_write(i2c, PM8607_GPADC_MISC1, data);
389                 if (ret < 0)
390                         goto out;
391         }
392         /* set tsi prebias time */
393         if (pdata->touch->tsi_prebias) {
394                 data = pdata->touch->tsi_prebias;
395                 ret = pm860x_reg_write(i2c, PM8607_TSI_PREBIAS, data);
396                 if (ret < 0)
397                         goto out;
398         }
399         /* set prebias & prechg time of pen detect */
400         data = 0;
401         data |= pdata->touch->pen_prebias & PM8607_PD_PREBIAS_MASK;
402         data |= (pdata->touch->pen_prechg << 5) & PM8607_PD_PRECHG_MASK;
403         if (data) {
404                 ret = pm860x_reg_write(i2c, PM8607_PD_PREBIAS, data);
405                 if (ret < 0)
406                         goto out;
407         }
408
409         ret = pm860x_set_bits(i2c, PM8607_GPADC_MISC1,
410                               PM8607_GPADC_EN, PM8607_GPADC_EN);
411 out:
412         return ret;
413 }
414
415 static int __devinit device_irq_init(struct pm860x_chip *chip,
416                                      struct pm860x_platform_data *pdata)
417 {
418         struct i2c_client *i2c = (chip->id == CHIP_PM8607) ? chip->client \
419                                 : chip->companion;
420         unsigned char status_buf[INT_STATUS_NUM];
421         unsigned long flags = IRQF_TRIGGER_FALLING | IRQF_ONESHOT;
422         int i, data, mask, ret = -EINVAL;
423         int __irq;
424
425         if (!pdata || !pdata->irq_base) {
426                 dev_warn(chip->dev, "No interrupt support on IRQ base\n");
427                 return -EINVAL;
428         }
429
430         mask = PM8607_B0_MISC1_INV_INT | PM8607_B0_MISC1_INT_CLEAR
431                 | PM8607_B0_MISC1_INT_MASK;
432         data = 0;
433         chip->irq_mode = 0;
434         if (pdata && pdata->irq_mode) {
435                 /*
436                  * irq_mode defines the way of clearing interrupt. If it's 1,
437                  * clear IRQ by write. Otherwise, clear it by read.
438                  * This control bit is valid from 88PM8607 B0 steping.
439                  */
440                 data |= PM8607_B0_MISC1_INT_CLEAR;
441                 chip->irq_mode = 1;
442         }
443         ret = pm860x_set_bits(i2c, PM8607_B0_MISC1, mask, data);
444         if (ret < 0)
445                 goto out;
446
447         /* mask all IRQs */
448         memset(status_buf, 0, INT_STATUS_NUM);
449         ret = pm860x_bulk_write(i2c, PM8607_INT_MASK_1,
450                                 INT_STATUS_NUM, status_buf);
451         if (ret < 0)
452                 goto out;
453
454         if (chip->irq_mode) {
455                 /* clear interrupt status by write */
456                 memset(status_buf, 0xFF, INT_STATUS_NUM);
457                 ret = pm860x_bulk_write(i2c, PM8607_INT_STATUS1,
458                                         INT_STATUS_NUM, status_buf);
459         } else {
460                 /* clear interrupt status by read */
461                 ret = pm860x_bulk_read(i2c, PM8607_INT_STATUS1,
462                                         INT_STATUS_NUM, status_buf);
463         }
464         if (ret < 0)
465                 goto out;
466
467         mutex_init(&chip->irq_lock);
468         chip->irq_base = pdata->irq_base;
469         chip->core_irq = i2c->irq;
470         if (!chip->core_irq)
471                 goto out;
472
473         /* register IRQ by genirq */
474         for (i = 0; i < ARRAY_SIZE(pm860x_irqs); i++) {
475                 __irq = i + chip->irq_base;
476                 irq_set_chip_data(__irq, chip);
477                 irq_set_chip_and_handler(__irq, &pm860x_irq_chip,
478                                          handle_edge_irq);
479                 irq_set_nested_thread(__irq, 1);
480 #ifdef CONFIG_ARM
481                 set_irq_flags(__irq, IRQF_VALID);
482 #else
483                 irq_set_noprobe(__irq);
484 #endif
485         }
486
487         ret = request_threaded_irq(chip->core_irq, NULL, pm860x_irq, flags,
488                                    "88pm860x", chip);
489         if (ret) {
490                 dev_err(chip->dev, "Failed to request IRQ: %d\n", ret);
491                 chip->core_irq = 0;
492         }
493
494         return 0;
495 out:
496         chip->core_irq = 0;
497         return ret;
498 }
499
500 static void device_irq_exit(struct pm860x_chip *chip)
501 {
502         if (chip->core_irq)
503                 free_irq(chip->core_irq, chip);
504 }
505
506 static void __devinit device_bk_init(struct pm860x_chip *chip,
507                                      struct pm860x_platform_data *pdata)
508 {
509         int ret;
510         int i, j, id;
511
512         if ((pdata == NULL) || (pdata->backlight == NULL))
513                 return;
514
515         if (pdata->num_backlights > ARRAY_SIZE(bk_devs))
516                 pdata->num_backlights = ARRAY_SIZE(bk_devs);
517
518         for (i = 0; i < pdata->num_backlights; i++) {
519                 bk_devs[i].platform_data = &pdata->backlight[i];
520                 bk_devs[i].pdata_size = sizeof(struct pm860x_backlight_pdata);
521
522                 for (j = 0; j < ARRAY_SIZE(bk_devs); j++) {
523                         id = bk_resources[j].start;
524                         if (pdata->backlight[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 pm860x_platform_data *pdata)
543 {
544         int ret;
545         int i, j, id;
546
547         if ((pdata == NULL) || (pdata->led == NULL))
548                 return;
549
550         if (pdata->num_leds > ARRAY_SIZE(led_devs))
551                 pdata->num_leds = ARRAY_SIZE(led_devs);
552
553         for (i = 0; i < pdata->num_leds; i++) {
554                 led_devs[i].platform_data = &pdata->led[i];
555                 led_devs[i].pdata_size = sizeof(struct pm860x_led_pdata);
556
557                 for (j = 0; j < ARRAY_SIZE(led_devs); j++) {
558                         id = led_resources[j].start;
559                         if (pdata->led[i].flags != id)
560                                 continue;
561
562                         led_devs[i].num_resources = 1;
563                         led_devs[i].resources = &led_resources[j],
564                         ret = mfd_add_devices(chip->dev, 0,
565                                               &led_devs[i], 1,
566                                               &led_resources[j], 0);
567                         if (ret < 0) {
568                                 dev_err(chip->dev, "Failed to add "
569                                         "led subdev\n");
570                                 return;
571                         }
572                 }
573         }
574 }
575
576 static void __devinit device_regulator_init(struct pm860x_chip *chip,
577                                             struct pm860x_platform_data *pdata)
578 {
579         struct regulator_init_data *initdata;
580         int ret;
581         int i, seq;
582
583         if ((pdata == NULL) || (pdata->regulator == NULL))
584                 return;
585
586         if (pdata->num_regulators > ARRAY_SIZE(regulator_devs))
587                 pdata->num_regulators = ARRAY_SIZE(regulator_devs);
588
589         for (i = 0, seq = -1; i < pdata->num_regulators; i++) {
590                 initdata = &pdata->regulator[i];
591                 seq = *(unsigned int *)initdata->driver_data;
592                 if ((seq < 0) || (seq > PM8607_ID_RG_MAX)) {
593                         dev_err(chip->dev, "Wrong ID(%d) on regulator(%s)\n",
594                                 seq, initdata->constraints.name);
595                         goto out;
596                 }
597                 regulator_devs[i].platform_data = &pdata->regulator[i];
598                 regulator_devs[i].pdata_size = sizeof(struct regulator_init_data);
599                 regulator_devs[i].num_resources = 1;
600                 regulator_devs[i].resources = &regulator_resources[seq];
601
602                 ret = mfd_add_devices(chip->dev, 0, &regulator_devs[i], 1,
603                                       &regulator_resources[seq], 0);
604                 if (ret < 0) {
605                         dev_err(chip->dev, "Failed to add regulator subdev\n");
606                         goto out;
607                 }
608         }
609 out:
610         return;
611 }
612
613 static void __devinit device_rtc_init(struct pm860x_chip *chip,
614                                       struct pm860x_platform_data *pdata)
615 {
616         int ret;
617
618         if ((pdata == NULL))
619                 return;
620
621         rtc_devs[0].platform_data = pdata->rtc;
622         rtc_devs[0].pdata_size = sizeof(struct pm860x_rtc_pdata);
623         rtc_devs[0].num_resources = ARRAY_SIZE(rtc_resources);
624         rtc_devs[0].resources = &rtc_resources[0];
625         ret = mfd_add_devices(chip->dev, 0, &rtc_devs[0],
626                               ARRAY_SIZE(rtc_devs), &rtc_resources[0],
627                               chip->irq_base);
628         if (ret < 0)
629                 dev_err(chip->dev, "Failed to add rtc subdev\n");
630 }
631
632 static void __devinit device_touch_init(struct pm860x_chip *chip,
633                                         struct pm860x_platform_data *pdata)
634 {
635         int ret;
636
637         if (pdata == NULL)
638                 return;
639
640         touch_devs[0].platform_data = pdata->touch;
641         touch_devs[0].pdata_size = sizeof(struct pm860x_touch_pdata);
642         touch_devs[0].num_resources = ARRAY_SIZE(touch_resources);
643         touch_devs[0].resources = &touch_resources[0];
644         ret = mfd_add_devices(chip->dev, 0, &touch_devs[0],
645                               ARRAY_SIZE(touch_devs), &touch_resources[0],
646                               chip->irq_base);
647         if (ret < 0)
648                 dev_err(chip->dev, "Failed to add touch subdev\n");
649 }
650
651 static void __devinit device_power_init(struct pm860x_chip *chip,
652                                         struct pm860x_platform_data *pdata)
653 {
654         int ret;
655
656         if (pdata == NULL)
657                 return;
658
659         power_devs[0].platform_data = pdata->power;
660         power_devs[0].pdata_size = sizeof(struct pm860x_power_pdata);
661         power_devs[0].num_resources = ARRAY_SIZE(battery_resources);
662         power_devs[0].resources = &battery_resources[0],
663         ret = mfd_add_devices(chip->dev, 0, &power_devs[0], 1,
664                               &battery_resources[0], chip->irq_base);
665         if (ret < 0)
666                 dev_err(chip->dev, "Failed to add battery subdev\n");
667
668         power_devs[1].platform_data = pdata->power;
669         power_devs[1].pdata_size = sizeof(struct pm860x_power_pdata);
670         power_devs[1].num_resources = ARRAY_SIZE(charger_resources);
671         power_devs[1].resources = &charger_resources[0],
672         ret = mfd_add_devices(chip->dev, 0, &power_devs[1], 1,
673                               &charger_resources[0], chip->irq_base);
674         if (ret < 0)
675                 dev_err(chip->dev, "Failed to add charger subdev\n");
676 }
677
678 static void __devinit device_onkey_init(struct pm860x_chip *chip,
679                                         struct pm860x_platform_data *pdata)
680 {
681         int ret;
682
683         onkey_devs[0].num_resources = ARRAY_SIZE(onkey_resources);
684         onkey_devs[0].resources = &onkey_resources[0],
685         ret = mfd_add_devices(chip->dev, 0, &onkey_devs[0],
686                               ARRAY_SIZE(onkey_devs), &onkey_resources[0],
687                               chip->irq_base);
688         if (ret < 0)
689                 dev_err(chip->dev, "Failed to add onkey subdev\n");
690 }
691
692 static void __devinit device_codec_init(struct pm860x_chip *chip,
693                                         struct pm860x_platform_data *pdata)
694 {
695         int ret;
696
697         codec_devs[0].num_resources = ARRAY_SIZE(codec_resources);
698         codec_devs[0].resources = &codec_resources[0],
699         ret = mfd_add_devices(chip->dev, 0, &codec_devs[0],
700                               ARRAY_SIZE(codec_devs), &codec_resources[0], 0);
701         if (ret < 0)
702                 dev_err(chip->dev, "Failed to add codec subdev\n");
703 }
704
705 static void __devinit device_8607_init(struct pm860x_chip *chip,
706                                        struct i2c_client *i2c,
707                                        struct pm860x_platform_data *pdata)
708 {
709         int data, ret;
710
711         ret = pm860x_reg_read(i2c, PM8607_CHIP_ID);
712         if (ret < 0) {
713                 dev_err(chip->dev, "Failed to read CHIP ID: %d\n", ret);
714                 goto out;
715         }
716         switch (ret & PM8607_VERSION_MASK) {
717         case 0x40:
718         case 0x50:
719                 dev_info(chip->dev, "Marvell 88PM8607 (ID: %02x) detected\n",
720                          ret);
721                 break;
722         default:
723                 dev_err(chip->dev, "Failed to detect Marvell 88PM8607. "
724                         "Chip ID: %02x\n", ret);
725                 goto out;
726         }
727
728         ret = pm860x_reg_read(i2c, PM8607_BUCK3);
729         if (ret < 0) {
730                 dev_err(chip->dev, "Failed to read BUCK3 register: %d\n", ret);
731                 goto out;
732         }
733         if (ret & PM8607_BUCK3_DOUBLE)
734                 chip->buck3_double = 1;
735
736         ret = pm860x_reg_read(i2c, PM8607_B0_MISC1);
737         if (ret < 0) {
738                 dev_err(chip->dev, "Failed to read MISC1 register: %d\n", ret);
739                 goto out;
740         }
741
742         if (pdata && (pdata->i2c_port == PI2C_PORT))
743                 data = PM8607_B0_MISC1_PI2C;
744         else
745                 data = 0;
746         ret = pm860x_set_bits(i2c, PM8607_B0_MISC1, PM8607_B0_MISC1_PI2C, data);
747         if (ret < 0) {
748                 dev_err(chip->dev, "Failed to access MISC1:%d\n", ret);
749                 goto out;
750         }
751
752         ret = device_gpadc_init(chip, pdata);
753         if (ret < 0)
754                 goto out;
755
756         ret = device_irq_init(chip, pdata);
757         if (ret < 0)
758                 goto out;
759
760         device_regulator_init(chip, pdata);
761         device_rtc_init(chip, pdata);
762         device_onkey_init(chip, pdata);
763         device_touch_init(chip, pdata);
764         device_power_init(chip, pdata);
765         device_codec_init(chip, pdata);
766 out:
767         return;
768 }
769
770 int __devinit pm860x_device_init(struct pm860x_chip *chip,
771                        struct pm860x_platform_data *pdata)
772 {
773         chip->core_irq = 0;
774
775         switch (chip->id) {
776         case CHIP_PM8606:
777                 device_bk_init(chip, pdata);
778                 device_led_init(chip, pdata);
779                 break;
780         case CHIP_PM8607:
781                 device_8607_init(chip, chip->client, pdata);
782                 break;
783         }
784
785         if (chip->companion) {
786                 switch (chip->id) {
787                 case CHIP_PM8607:
788                         device_bk_init(chip, pdata);
789                         device_led_init(chip, pdata);
790                         break;
791                 case CHIP_PM8606:
792                         device_8607_init(chip, chip->companion, pdata);
793                         break;
794                 }
795         }
796
797         return 0;
798 }
799
800 void __devexit pm860x_device_exit(struct pm860x_chip *chip)
801 {
802         device_irq_exit(chip);
803         mfd_remove_devices(chip->dev);
804 }
805
806 MODULE_DESCRIPTION("PMIC Driver for Marvell 88PM860x");
807 MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
808 MODULE_LICENSE("GPL");