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Merge branch 'viafb-next' of git://github.com/schandinat/linux-2.6
[mirror_ubuntu-bionic-kernel.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[] __initdata = {
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[] __initdata = {
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[] __initdata = {
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[] __initdata = {
61 {PM8607_IRQ_PEN, PM8607_IRQ_PEN, "touch", IORESOURCE_IRQ,},
62 };
63
64 static struct resource onkey_resources[] __initdata = {
65 {PM8607_IRQ_ONKEY, PM8607_IRQ_ONKEY, "onkey", IORESOURCE_IRQ,},
66 };
67
68 static struct resource codec_resources[] __initdata = {
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[] __initdata = {
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[] __initdata = {
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[] __initdata = {
94 {"88pm860x-backlight", 0,},
95 {"88pm860x-backlight", 1,},
96 {"88pm860x-backlight", 2,},
97 };
98
99 static struct mfd_cell led_devs[] __initdata = {
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[] __initdata = {
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[] __initdata = {
130 {"88pm860x-touch", -1,},
131 };
132
133 static struct mfd_cell onkey_devs[] __initdata = {
134 {"88pm860x-onkey", -1,},
135 };
136
137 static struct mfd_cell codec_devs[] __initdata = {
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 struct irq_desc *desc;
420 int i, data, mask, ret = -EINVAL;
421 int __irq;
422
423 if (!pdata || !pdata->irq_base) {
424 dev_warn(chip->dev, "No interrupt support on IRQ base\n");
425 return -EINVAL;
426 }
427
428 mask = PM8607_B0_MISC1_INV_INT | PM8607_B0_MISC1_INT_CLEAR
429 | PM8607_B0_MISC1_INT_MASK;
430 data = 0;
431 chip->irq_mode = 0;
432 if (pdata && pdata->irq_mode) {
433 /*
434 * irq_mode defines the way of clearing interrupt. If it's 1,
435 * clear IRQ by write. Otherwise, clear it by read.
436 * This control bit is valid from 88PM8607 B0 steping.
437 */
438 data |= PM8607_B0_MISC1_INT_CLEAR;
439 chip->irq_mode = 1;
440 }
441 ret = pm860x_set_bits(i2c, PM8607_B0_MISC1, mask, data);
442 if (ret < 0)
443 goto out;
444
445 /* mask all IRQs */
446 memset(status_buf, 0, INT_STATUS_NUM);
447 ret = pm860x_bulk_write(i2c, PM8607_INT_MASK_1,
448 INT_STATUS_NUM, status_buf);
449 if (ret < 0)
450 goto out;
451
452 if (chip->irq_mode) {
453 /* clear interrupt status by write */
454 memset(status_buf, 0xFF, INT_STATUS_NUM);
455 ret = pm860x_bulk_write(i2c, PM8607_INT_STATUS1,
456 INT_STATUS_NUM, status_buf);
457 } else {
458 /* clear interrupt status by read */
459 ret = pm860x_bulk_read(i2c, PM8607_INT_STATUS1,
460 INT_STATUS_NUM, status_buf);
461 }
462 if (ret < 0)
463 goto out;
464
465 mutex_init(&chip->irq_lock);
466 chip->irq_base = pdata->irq_base;
467 chip->core_irq = i2c->irq;
468 if (!chip->core_irq)
469 goto out;
470
471 desc = irq_to_desc(chip->core_irq);
472
473 /* register IRQ by genirq */
474 for (i = 0; i < ARRAY_SIZE(pm860x_irqs); i++) {
475 __irq = i + chip->irq_base;
476 set_irq_chip_data(__irq, chip);
477 set_irq_chip_and_handler(__irq, &pm860x_irq_chip,
478 handle_edge_irq);
479 set_irq_nested_thread(__irq, 1);
480 #ifdef CONFIG_ARM
481 set_irq_flags(__irq, IRQF_VALID);
482 #else
483 set_irq_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 i2c_client *i2c,
508 struct pm860x_platform_data *pdata)
509 {
510 int ret;
511 int i, j, id;
512
513 if ((pdata == NULL) || (pdata->backlight == NULL))
514 return;
515
516 if (pdata->num_backlights > ARRAY_SIZE(bk_devs))
517 pdata->num_backlights = ARRAY_SIZE(bk_devs);
518
519 for (i = 0; i < pdata->num_backlights; i++) {
520 memcpy(&bk_pdata[i], &pdata->backlight[i],
521 sizeof(struct pm860x_backlight_pdata));
522 bk_devs[i].mfd_data = &bk_pdata[i];
523
524 for (j = 0; j < ARRAY_SIZE(bk_devs); j++) {
525 id = bk_resources[j].start;
526 if (bk_pdata[i].flags != id)
527 continue;
528
529 bk_devs[i].num_resources = 1;
530 bk_devs[i].resources = &bk_resources[j];
531 ret = mfd_add_devices(chip->dev, 0,
532 &bk_devs[i], 1,
533 &bk_resources[j], 0);
534 if (ret < 0) {
535 dev_err(chip->dev, "Failed to add "
536 "backlight subdev\n");
537 return;
538 }
539 }
540 }
541 }
542
543 static void __devinit device_led_init(struct pm860x_chip *chip,
544 struct i2c_client *i2c,
545 struct pm860x_platform_data *pdata)
546 {
547 int ret;
548 int i, j, id;
549
550 if ((pdata == NULL) || (pdata->led == NULL))
551 return;
552
553 if (pdata->num_leds > ARRAY_SIZE(led_devs))
554 pdata->num_leds = ARRAY_SIZE(led_devs);
555
556 for (i = 0; i < pdata->num_leds; i++) {
557 memcpy(&led_pdata[i], &pdata->led[i],
558 sizeof(struct pm860x_led_pdata));
559 led_devs[i].mfd_data = &led_pdata[i];
560
561 for (j = 0; j < ARRAY_SIZE(led_devs); j++) {
562 id = led_resources[j].start;
563 if (led_pdata[i].flags != id)
564 continue;
565
566 led_devs[i].num_resources = 1;
567 led_devs[i].resources = &led_resources[j],
568 ret = mfd_add_devices(chip->dev, 0,
569 &led_devs[i], 1,
570 &led_resources[j], 0);
571 if (ret < 0) {
572 dev_err(chip->dev, "Failed to add "
573 "led subdev\n");
574 return;
575 }
576 }
577 }
578 }
579
580 static void __devinit device_regulator_init(struct pm860x_chip *chip,
581 struct i2c_client *i2c,
582 struct pm860x_platform_data *pdata)
583 {
584 struct regulator_init_data *initdata;
585 int ret;
586 int i, j;
587
588 if ((pdata == NULL) || (pdata->regulator == NULL))
589 return;
590
591 if (pdata->num_regulators > ARRAY_SIZE(regulator_devs))
592 pdata->num_regulators = ARRAY_SIZE(regulator_devs);
593
594 for (i = 0, j = -1; i < pdata->num_regulators; i++) {
595 initdata = &pdata->regulator[i];
596 if (strstr(initdata->constraints.name, "BUCK")) {
597 sscanf(initdata->constraints.name, "BUCK%d", &j);
598 /* BUCK1 ~ BUCK3 */
599 if ((j < 1) || (j > 3)) {
600 dev_err(chip->dev, "Failed to add constraint "
601 "(%s)\n", initdata->constraints.name);
602 goto out;
603 }
604 j = (j - 1) + PM8607_ID_BUCK1;
605 }
606 if (strstr(initdata->constraints.name, "LDO")) {
607 sscanf(initdata->constraints.name, "LDO%d", &j);
608 /* LDO1 ~ LDO15 */
609 if ((j < 1) || (j > 15)) {
610 dev_err(chip->dev, "Failed to add constraint "
611 "(%s)\n", initdata->constraints.name);
612 goto out;
613 }
614 j = (j - 1) + PM8607_ID_LDO1;
615 }
616 if (j == -1) {
617 dev_err(chip->dev, "Failed to add constraint (%s)\n",
618 initdata->constraints.name);
619 goto out;
620 }
621 memcpy(&regulator_pdata[i], &pdata->regulator[i],
622 sizeof(struct regulator_init_data));
623 regulator_devs[i].mfd_data = &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].mfd_data = &touch_pdata;
649 touch_devs[0].num_resources = ARRAY_SIZE(touch_resources);
650 touch_devs[0].resources = &touch_resources[0];
651 ret = mfd_add_devices(chip->dev, 0, &touch_devs[0],
652 ARRAY_SIZE(touch_devs), &touch_resources[0],
653 chip->irq_base);
654 if (ret < 0)
655 dev_err(chip->dev, "Failed to add touch subdev\n");
656 }
657
658 static void __devinit device_power_init(struct pm860x_chip *chip,
659 struct i2c_client *i2c,
660 struct pm860x_platform_data *pdata)
661 {
662 int ret;
663
664 if ((pdata == NULL) || (pdata->power == NULL))
665 return;
666
667 memcpy(&power_pdata, pdata->power, sizeof(struct pm860x_power_pdata));
668 power_devs[0].mfd_data = &power_pdata;
669 power_devs[0].num_resources = ARRAY_SIZE(battery_resources);
670 power_devs[0].resources = &battery_resources[0],
671 ret = mfd_add_devices(chip->dev, 0, &power_devs[0], 1,
672 &battery_resources[0], chip->irq_base);
673 if (ret < 0)
674 dev_err(chip->dev, "Failed to add battery subdev\n");
675
676 power_devs[1].mfd_data = &power_pdata;
677 power_devs[1].num_resources = ARRAY_SIZE(charger_resources);
678 power_devs[1].resources = &charger_resources[0],
679 ret = mfd_add_devices(chip->dev, 0, &power_devs[1], 1,
680 &charger_resources[0], chip->irq_base);
681 if (ret < 0)
682 dev_err(chip->dev, "Failed to add charger subdev\n");
683 }
684
685 static void __devinit device_onkey_init(struct pm860x_chip *chip,
686 struct i2c_client *i2c,
687 struct pm860x_platform_data *pdata)
688 {
689 int ret;
690
691 onkey_devs[0].num_resources = ARRAY_SIZE(onkey_resources);
692 onkey_devs[0].resources = &onkey_resources[0],
693 ret = mfd_add_devices(chip->dev, 0, &onkey_devs[0],
694 ARRAY_SIZE(onkey_devs), &onkey_resources[0],
695 chip->irq_base);
696 if (ret < 0)
697 dev_err(chip->dev, "Failed to add onkey subdev\n");
698 }
699
700 static void __devinit device_codec_init(struct pm860x_chip *chip,
701 struct i2c_client *i2c,
702 struct pm860x_platform_data *pdata)
703 {
704 int ret;
705
706 codec_devs[0].num_resources = ARRAY_SIZE(codec_resources);
707 codec_devs[0].resources = &codec_resources[0],
708 ret = mfd_add_devices(chip->dev, 0, &codec_devs[0],
709 ARRAY_SIZE(codec_devs), &codec_resources[0], 0);
710 if (ret < 0)
711 dev_err(chip->dev, "Failed to add codec subdev\n");
712 }
713
714 static void __devinit device_8607_init(struct pm860x_chip *chip,
715 struct i2c_client *i2c,
716 struct pm860x_platform_data *pdata)
717 {
718 int data, ret;
719
720 ret = pm860x_reg_read(i2c, PM8607_CHIP_ID);
721 if (ret < 0) {
722 dev_err(chip->dev, "Failed to read CHIP ID: %d\n", ret);
723 goto out;
724 }
725 switch (ret & PM8607_VERSION_MASK) {
726 case 0x40:
727 case 0x50:
728 dev_info(chip->dev, "Marvell 88PM8607 (ID: %02x) detected\n",
729 ret);
730 break;
731 default:
732 dev_err(chip->dev, "Failed to detect Marvell 88PM8607. "
733 "Chip ID: %02x\n", ret);
734 goto out;
735 }
736
737 ret = pm860x_reg_read(i2c, PM8607_BUCK3);
738 if (ret < 0) {
739 dev_err(chip->dev, "Failed to read BUCK3 register: %d\n", ret);
740 goto out;
741 }
742 if (ret & PM8607_BUCK3_DOUBLE)
743 chip->buck3_double = 1;
744
745 ret = pm860x_reg_read(i2c, PM8607_B0_MISC1);
746 if (ret < 0) {
747 dev_err(chip->dev, "Failed to read MISC1 register: %d\n", ret);
748 goto out;
749 }
750
751 if (pdata && (pdata->i2c_port == PI2C_PORT))
752 data = PM8607_B0_MISC1_PI2C;
753 else
754 data = 0;
755 ret = pm860x_set_bits(i2c, PM8607_B0_MISC1, PM8607_B0_MISC1_PI2C, data);
756 if (ret < 0) {
757 dev_err(chip->dev, "Failed to access MISC1:%d\n", ret);
758 goto out;
759 }
760
761 ret = device_gpadc_init(chip, pdata);
762 if (ret < 0)
763 goto out;
764
765 ret = device_irq_init(chip, pdata);
766 if (ret < 0)
767 goto out;
768
769 device_regulator_init(chip, i2c, pdata);
770 device_onkey_init(chip, i2c, pdata);
771 device_touch_init(chip, i2c, pdata);
772 device_power_init(chip, i2c, pdata);
773 device_codec_init(chip, i2c, pdata);
774 out:
775 return;
776 }
777
778 int __devinit pm860x_device_init(struct pm860x_chip *chip,
779 struct pm860x_platform_data *pdata)
780 {
781 chip->core_irq = 0;
782
783 switch (chip->id) {
784 case CHIP_PM8606:
785 device_bk_init(chip, chip->client, pdata);
786 device_led_init(chip, chip->client, pdata);
787 break;
788 case CHIP_PM8607:
789 device_8607_init(chip, chip->client, pdata);
790 break;
791 }
792
793 if (chip->companion) {
794 switch (chip->id) {
795 case CHIP_PM8607:
796 device_bk_init(chip, chip->companion, pdata);
797 device_led_init(chip, chip->companion, pdata);
798 break;
799 case CHIP_PM8606:
800 device_8607_init(chip, chip->companion, pdata);
801 break;
802 }
803 }
804
805 return 0;
806 }
807
808 void __devexit pm860x_device_exit(struct pm860x_chip *chip)
809 {
810 device_irq_exit(chip);
811 mfd_remove_devices(chip->dev);
812 }
813
814 MODULE_DESCRIPTION("PMIC Driver for Marvell 88PM860x");
815 MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
816 MODULE_LICENSE("GPL");
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