forked from torvalds/linux
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathda9055-core.c
423 lines (383 loc) · 9.57 KB
/
da9055-core.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
/*
* Device access for Dialog DA9055 PMICs.
*
* Copyright(c) 2012 Dialog Semiconductor Ltd.
*
* Author: David Dajun Chen <[email protected]>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
#include <linux/module.h>
#include <linux/device.h>
#include <linux/input.h>
#include <linux/irq.h>
#include <linux/mutex.h>
#include <linux/mfd/core.h>
#include <linux/mfd/da9055/core.h>
#include <linux/mfd/da9055/pdata.h>
#include <linux/mfd/da9055/reg.h>
#define DA9055_IRQ_NONKEY_MASK 0x01
#define DA9055_IRQ_ALM_MASK 0x02
#define DA9055_IRQ_TICK_MASK 0x04
#define DA9055_IRQ_ADC_MASK 0x08
#define DA9055_IRQ_BUCK_ILIM_MASK 0x08
static bool da9055_register_readable(struct device *dev, unsigned int reg)
{
switch (reg) {
case DA9055_REG_STATUS_A:
case DA9055_REG_STATUS_B:
case DA9055_REG_EVENT_A:
case DA9055_REG_EVENT_B:
case DA9055_REG_EVENT_C:
case DA9055_REG_IRQ_MASK_A:
case DA9055_REG_IRQ_MASK_B:
case DA9055_REG_IRQ_MASK_C:
case DA9055_REG_CONTROL_A:
case DA9055_REG_CONTROL_B:
case DA9055_REG_CONTROL_C:
case DA9055_REG_CONTROL_D:
case DA9055_REG_CONTROL_E:
case DA9055_REG_ADC_MAN:
case DA9055_REG_ADC_CONT:
case DA9055_REG_VSYS_MON:
case DA9055_REG_ADC_RES_L:
case DA9055_REG_ADC_RES_H:
case DA9055_REG_VSYS_RES:
case DA9055_REG_ADCIN1_RES:
case DA9055_REG_ADCIN2_RES:
case DA9055_REG_ADCIN3_RES:
case DA9055_REG_COUNT_S:
case DA9055_REG_COUNT_MI:
case DA9055_REG_COUNT_H:
case DA9055_REG_COUNT_D:
case DA9055_REG_COUNT_MO:
case DA9055_REG_COUNT_Y:
case DA9055_REG_ALARM_H:
case DA9055_REG_ALARM_D:
case DA9055_REG_ALARM_MI:
case DA9055_REG_ALARM_MO:
case DA9055_REG_ALARM_Y:
case DA9055_REG_GPIO0_1:
case DA9055_REG_GPIO2:
case DA9055_REG_GPIO_MODE0_2:
case DA9055_REG_BCORE_CONT:
case DA9055_REG_BMEM_CONT:
case DA9055_REG_LDO1_CONT:
case DA9055_REG_LDO2_CONT:
case DA9055_REG_LDO3_CONT:
case DA9055_REG_LDO4_CONT:
case DA9055_REG_LDO5_CONT:
case DA9055_REG_LDO6_CONT:
case DA9055_REG_BUCK_LIM:
case DA9055_REG_BCORE_MODE:
case DA9055_REG_VBCORE_A:
case DA9055_REG_VBMEM_A:
case DA9055_REG_VLDO1_A:
case DA9055_REG_VLDO2_A:
case DA9055_REG_VLDO3_A:
case DA9055_REG_VLDO4_A:
case DA9055_REG_VLDO5_A:
case DA9055_REG_VLDO6_A:
case DA9055_REG_VBCORE_B:
case DA9055_REG_VBMEM_B:
case DA9055_REG_VLDO1_B:
case DA9055_REG_VLDO2_B:
case DA9055_REG_VLDO3_B:
case DA9055_REG_VLDO4_B:
case DA9055_REG_VLDO5_B:
case DA9055_REG_VLDO6_B:
return true;
default:
return false;
}
}
static bool da9055_register_writeable(struct device *dev, unsigned int reg)
{
switch (reg) {
case DA9055_REG_STATUS_A:
case DA9055_REG_STATUS_B:
case DA9055_REG_EVENT_A:
case DA9055_REG_EVENT_B:
case DA9055_REG_EVENT_C:
case DA9055_REG_IRQ_MASK_A:
case DA9055_REG_IRQ_MASK_B:
case DA9055_REG_IRQ_MASK_C:
case DA9055_REG_CONTROL_A:
case DA9055_REG_CONTROL_B:
case DA9055_REG_CONTROL_C:
case DA9055_REG_CONTROL_D:
case DA9055_REG_CONTROL_E:
case DA9055_REG_ADC_MAN:
case DA9055_REG_ADC_CONT:
case DA9055_REG_VSYS_MON:
case DA9055_REG_ADC_RES_L:
case DA9055_REG_ADC_RES_H:
case DA9055_REG_VSYS_RES:
case DA9055_REG_ADCIN1_RES:
case DA9055_REG_ADCIN2_RES:
case DA9055_REG_ADCIN3_RES:
case DA9055_REG_COUNT_S:
case DA9055_REG_COUNT_MI:
case DA9055_REG_COUNT_H:
case DA9055_REG_COUNT_D:
case DA9055_REG_COUNT_MO:
case DA9055_REG_COUNT_Y:
case DA9055_REG_ALARM_H:
case DA9055_REG_ALARM_D:
case DA9055_REG_ALARM_MI:
case DA9055_REG_ALARM_MO:
case DA9055_REG_ALARM_Y:
case DA9055_REG_GPIO0_1:
case DA9055_REG_GPIO2:
case DA9055_REG_GPIO_MODE0_2:
case DA9055_REG_BCORE_CONT:
case DA9055_REG_BMEM_CONT:
case DA9055_REG_LDO1_CONT:
case DA9055_REG_LDO2_CONT:
case DA9055_REG_LDO3_CONT:
case DA9055_REG_LDO4_CONT:
case DA9055_REG_LDO5_CONT:
case DA9055_REG_LDO6_CONT:
case DA9055_REG_BUCK_LIM:
case DA9055_REG_BCORE_MODE:
case DA9055_REG_VBCORE_A:
case DA9055_REG_VBMEM_A:
case DA9055_REG_VLDO1_A:
case DA9055_REG_VLDO2_A:
case DA9055_REG_VLDO3_A:
case DA9055_REG_VLDO4_A:
case DA9055_REG_VLDO5_A:
case DA9055_REG_VLDO6_A:
case DA9055_REG_VBCORE_B:
case DA9055_REG_VBMEM_B:
case DA9055_REG_VLDO1_B:
case DA9055_REG_VLDO2_B:
case DA9055_REG_VLDO3_B:
case DA9055_REG_VLDO4_B:
case DA9055_REG_VLDO5_B:
case DA9055_REG_VLDO6_B:
return true;
default:
return false;
}
}
static bool da9055_register_volatile(struct device *dev, unsigned int reg)
{
switch (reg) {
case DA9055_REG_STATUS_A:
case DA9055_REG_STATUS_B:
case DA9055_REG_EVENT_A:
case DA9055_REG_EVENT_B:
case DA9055_REG_EVENT_C:
case DA9055_REG_CONTROL_A:
case DA9055_REG_CONTROL_E:
case DA9055_REG_ADC_MAN:
case DA9055_REG_ADC_RES_L:
case DA9055_REG_ADC_RES_H:
case DA9055_REG_VSYS_RES:
case DA9055_REG_ADCIN1_RES:
case DA9055_REG_ADCIN2_RES:
case DA9055_REG_ADCIN3_RES:
case DA9055_REG_COUNT_S:
case DA9055_REG_COUNT_MI:
case DA9055_REG_COUNT_H:
case DA9055_REG_COUNT_D:
case DA9055_REG_COUNT_MO:
case DA9055_REG_COUNT_Y:
case DA9055_REG_ALARM_MI:
case DA9055_REG_BCORE_CONT:
case DA9055_REG_BMEM_CONT:
case DA9055_REG_LDO1_CONT:
case DA9055_REG_LDO2_CONT:
case DA9055_REG_LDO3_CONT:
case DA9055_REG_LDO4_CONT:
case DA9055_REG_LDO5_CONT:
case DA9055_REG_LDO6_CONT:
return true;
default:
return false;
}
}
static struct regmap_irq da9055_irqs[] = {
[DA9055_IRQ_NONKEY] = {
.reg_offset = 0,
.mask = DA9055_IRQ_NONKEY_MASK,
},
[DA9055_IRQ_ALARM] = {
.reg_offset = 0,
.mask = DA9055_IRQ_ALM_MASK,
},
[DA9055_IRQ_TICK] = {
.reg_offset = 0,
.mask = DA9055_IRQ_TICK_MASK,
},
[DA9055_IRQ_HWMON] = {
.reg_offset = 0,
.mask = DA9055_IRQ_ADC_MASK,
},
[DA9055_IRQ_REGULATOR] = {
.reg_offset = 1,
.mask = DA9055_IRQ_BUCK_ILIM_MASK,
},
};
struct regmap_config da9055_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
.cache_type = REGCACHE_RBTREE,
.max_register = DA9055_MAX_REGISTER_CNT,
.readable_reg = da9055_register_readable,
.writeable_reg = da9055_register_writeable,
.volatile_reg = da9055_register_volatile,
};
EXPORT_SYMBOL_GPL(da9055_regmap_config);
static struct resource da9055_onkey_resource = {
.name = "ONKEY",
.start = DA9055_IRQ_NONKEY,
.end = DA9055_IRQ_NONKEY,
.flags = IORESOURCE_IRQ,
};
static struct resource da9055_rtc_resource[] = {
{
.name = "ALM",
.start = DA9055_IRQ_ALARM,
.end = DA9055_IRQ_ALARM,
.flags = IORESOURCE_IRQ,
},
{
.name = "TICK",
.start = DA9055_IRQ_TICK,
.end = DA9055_IRQ_TICK,
.flags = IORESOURCE_IRQ,
},
};
static struct resource da9055_hwmon_resource = {
.name = "HWMON",
.start = DA9055_IRQ_HWMON,
.end = DA9055_IRQ_HWMON,
.flags = IORESOURCE_IRQ,
};
static struct resource da9055_ld05_6_resource = {
.name = "REGULATOR",
.start = DA9055_IRQ_REGULATOR,
.end = DA9055_IRQ_REGULATOR,
.flags = IORESOURCE_IRQ,
};
static struct mfd_cell da9055_devs[] = {
{
.of_compatible = "dialog,da9055-gpio",
.name = "da9055-gpio",
},
{
.of_compatible = "dialog,da9055-regulator",
.name = "da9055-regulator",
.id = 1,
},
{
.of_compatible = "dialog,da9055-regulator",
.name = "da9055-regulator",
.id = 2,
},
{
.of_compatible = "dialog,da9055-regulator",
.name = "da9055-regulator",
.id = 3,
},
{
.of_compatible = "dialog,da9055-regulator",
.name = "da9055-regulator",
.id = 4,
},
{
.of_compatible = "dialog,da9055-regulator",
.name = "da9055-regulator",
.id = 5,
},
{
.of_compatible = "dialog,da9055-regulator",
.name = "da9055-regulator",
.id = 6,
},
{
.of_compatible = "dialog,da9055-regulator",
.name = "da9055-regulator",
.id = 7,
.resources = &da9055_ld05_6_resource,
.num_resources = 1,
},
{
.of_compatible = "dialog,da9055-regulator",
.name = "da9055-regulator",
.resources = &da9055_ld05_6_resource,
.num_resources = 1,
.id = 8,
},
{
.of_compatible = "dialog,da9055-onkey",
.name = "da9055-onkey",
.resources = &da9055_onkey_resource,
.num_resources = 1,
},
{
.of_compatible = "dialog,da9055-rtc",
.name = "da9055-rtc",
.resources = da9055_rtc_resource,
.num_resources = ARRAY_SIZE(da9055_rtc_resource),
},
{
.of_compatible = "dialog,da9055-hwmon",
.name = "da9055-hwmon",
.resources = &da9055_hwmon_resource,
.num_resources = 1,
},
{
.of_compatible = "dialog,da9055-watchdog",
.name = "da9055-watchdog",
},
};
static struct regmap_irq_chip da9055_regmap_irq_chip = {
.name = "da9055_irq",
.status_base = DA9055_REG_EVENT_A,
.mask_base = DA9055_REG_IRQ_MASK_A,
.ack_base = DA9055_REG_EVENT_A,
.num_regs = 3,
.irqs = da9055_irqs,
.num_irqs = ARRAY_SIZE(da9055_irqs),
};
int __devinit da9055_device_init(struct da9055 *da9055)
{
struct da9055_pdata *pdata = da9055->dev->platform_data;
int ret;
if (pdata && pdata->init != NULL)
pdata->init(da9055);
if (!pdata || !pdata->irq_base)
da9055->irq_base = -1;
else
da9055->irq_base = pdata->irq_base;
ret = regmap_add_irq_chip(da9055->regmap, da9055->chip_irq,
IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
da9055->irq_base, &da9055_regmap_irq_chip,
&da9055->irq_data);
if (ret < 0)
return ret;
da9055->irq_base = regmap_irq_chip_get_base(da9055->irq_data);
ret = mfd_add_devices(da9055->dev, -1,
da9055_devs, ARRAY_SIZE(da9055_devs),
NULL, da9055->irq_base, NULL);
if (ret)
goto err;
return 0;
err:
mfd_remove_devices(da9055->dev);
return ret;
}
void __devexit da9055_device_exit(struct da9055 *da9055)
{
regmap_del_irq_chip(da9055->chip_irq, da9055->irq_data);
mfd_remove_devices(da9055->dev);
}
MODULE_DESCRIPTION("Core support for the DA9055 PMIC");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("David Dajun Chen <[email protected]>");