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regulator: core: Add regulator_is_equal() helper
[mirror_ubuntu-focal-kernel.git] / drivers / regulator / da9062-regulator.c
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fd2f02f9
AL		 1// SPDX-License-Identifier: GPL-2.0+
2//
3// Regulator device driver for DA9061 and DA9062.
4// Copyright (C) 2015-2017 Dialog Semiconductor
5
4068e518
T		 6#include <linux/kernel.h>
7#include <linux/module.h>
8#include <linux/init.h>
9#include <linux/err.h>
10#include <linux/slab.h>
11#include <linux/of.h>
12#include <linux/platform_device.h>
13#include <linux/regmap.h>
14#include <linux/regulator/driver.h>
15#include <linux/regulator/machine.h>
16#include <linux/regulator/of_regulator.h>
17#include <linux/mfd/da9062/core.h>
18#include <linux/mfd/da9062/registers.h>
19
20/* Regulator IDs */
4b7f4958
ST		 21enum {
22 DA9061_ID_BUCK1,
23 DA9061_ID_BUCK2,
24 DA9061_ID_BUCK3,
25 DA9061_ID_LDO1,
26 DA9061_ID_LDO2,
27 DA9061_ID_LDO3,
28 DA9061_ID_LDO4,
29 DA9061_MAX_REGULATORS,
30};
31
4068e518
T		 32enum {
33 DA9062_ID_BUCK1,
34 DA9062_ID_BUCK2,
35 DA9062_ID_BUCK3,
36 DA9062_ID_BUCK4,
37 DA9062_ID_LDO1,
38 DA9062_ID_LDO2,
39 DA9062_ID_LDO3,
40 DA9062_ID_LDO4,
41 DA9062_MAX_REGULATORS,
42};
43
44/* Regulator capabilities and registers description */
45struct da9062_regulator_info {
46 struct regulator_desc desc;
4068e518
T		 47 /* Main register fields */
48 struct reg_field mode;
49 struct reg_field suspend;
50 struct reg_field sleep;
51 struct reg_field suspend_sleep;
52 unsigned int suspend_vsel_reg;
4068e518
T		 53 /* Event detection bit */
54 struct reg_field oc_event;
55};
56
57/* Single regulator settings */
58struct da9062_regulator {
59 struct regulator_desc desc;
60 struct regulator_dev *rdev;
61 struct da9062 *hw;
62 const struct da9062_regulator_info *info;
63
64 struct regmap_field *mode;
65 struct regmap_field *suspend;
66 struct regmap_field *sleep;
67 struct regmap_field *suspend_sleep;
4068e518
T		 68};
69
70/* Encapsulates all information for the regulators driver */
71struct da9062_regulators {
72 int irq_ldo_lim;
73 unsigned n_regulators;
74 /* Array size to be defined during init. Keep at end. */
75 struct da9062_regulator regulator[0];
76};
77
78/* BUCK modes */
79enum {
80 BUCK_MODE_MANUAL, /* 0 */
81 BUCK_MODE_SLEEP, /* 1 */
82 BUCK_MODE_SYNC, /* 2 */
83 BUCK_MODE_AUTO /* 3 */
84};
85
86/* Regulator operations */
87
4b7f4958
ST		 88/* Current limits array (in uA)
89 * - DA9061_ID_[BUCK1|BUCK3]
90 * - DA9062_ID_[BUCK1|BUCK2|BUCK4]
91 * Entry indexes corresponds to register values.
92 */
958e9b82 93static const unsigned int da9062_buck_a_limits[] = {
4068e518
T		 94 500000, 600000, 700000, 800000, 900000, 1000000, 1100000, 1200000,
95 1300000, 1400000, 1500000, 1600000, 1700000, 1800000, 1900000, 2000000
96};
97
4b7f4958
ST		 98/* Current limits array (in uA)
99 * - DA9061_ID_BUCK2
100 * - DA9062_ID_BUCK3
101 * Entry indexes corresponds to register values.
102 */
958e9b82 103static const unsigned int da9062_buck_b_limits[] = {
4068e518
T		 104 1500000, 1600000, 1700000, 1800000, 1900000, 2000000, 2100000, 2200000,
105 2300000, 2400000, 2500000, 2600000, 2700000, 2800000, 2900000, 3000000
106};
107
4068e518
T		 108static int da9062_buck_set_mode(struct regulator_dev *rdev, unsigned mode)
109{
110 struct da9062_regulator *regl = rdev_get_drvdata(rdev);
111 unsigned val;
112
113 switch (mode) {
114 case REGULATOR_MODE_FAST:
115 val = BUCK_MODE_SYNC;
116 break;
117 case REGULATOR_MODE_NORMAL:
118 val = BUCK_MODE_AUTO;
119 break;
120 case REGULATOR_MODE_STANDBY:
121 val = BUCK_MODE_SLEEP;
122 break;
123 default:
124 return -EINVAL;
125 }
126
127 return regmap_field_write(regl->mode, val);
128}
129
130/*
131 * Bucks use single mode register field for normal operation
132 * and suspend state.
133 * There are 3 modes to map to: FAST, NORMAL, and STANDBY.
134 */
135
136static unsigned da9062_buck_get_mode(struct regulator_dev *rdev)
137{
138 struct da9062_regulator *regl = rdev_get_drvdata(rdev);
4068e518
T		 139 unsigned int val, mode = 0;
140 int ret;
141
142 ret = regmap_field_read(regl->mode, &val);
143 if (ret < 0)
144 return ret;
145
146 switch (val) {
147 default:
148 case BUCK_MODE_MANUAL:
149 mode = REGULATOR_MODE_FAST | REGULATOR_MODE_STANDBY;
150 /* Sleep flag bit decides the mode */
151 break;
152 case BUCK_MODE_SLEEP:
153 return REGULATOR_MODE_STANDBY;
154 case BUCK_MODE_SYNC:
155 return REGULATOR_MODE_FAST;
156 case BUCK_MODE_AUTO:
157 return REGULATOR_MODE_NORMAL;
158 }
159
a72865f0 160 ret = regmap_field_read(regl->sleep, &val);
4068e518
T		 161 if (ret < 0)
162 return 0;
163
164 if (val)
165 mode &= REGULATOR_MODE_STANDBY;
166 else
167 mode &= REGULATOR_MODE_NORMAL | REGULATOR_MODE_FAST;
168
169 return mode;
170}
171
172/*
173 * LDOs use sleep flags - one for normal and one for suspend state.
174 * There are 2 modes to map to: NORMAL and STANDBY (sleep) for each state.
175 */
176
177static int da9062_ldo_set_mode(struct regulator_dev *rdev, unsigned mode)
178{
179 struct da9062_regulator *regl = rdev_get_drvdata(rdev);
180 unsigned val;
181
182 switch (mode) {
183 case REGULATOR_MODE_NORMAL:
184 val = 0;
185 break;
186 case REGULATOR_MODE_STANDBY:
187 val = 1;
188 break;
189 default:
190 return -EINVAL;
191 }
192
193 return regmap_field_write(regl->sleep, val);
194}
195
196static unsigned da9062_ldo_get_mode(struct regulator_dev *rdev)
197{
198 struct da9062_regulator *regl = rdev_get_drvdata(rdev);
4068e518
T		 199 int ret, val;
200
a72865f0 201 ret = regmap_field_read(regl->sleep, &val);
4068e518
T		 202 if (ret < 0)
203 return 0;
204
205 if (val)
206 return REGULATOR_MODE_STANDBY;
207 else
208 return REGULATOR_MODE_NORMAL;
209}
210
211static int da9062_buck_get_status(struct regulator_dev *rdev)
212{
213 int ret = regulator_is_enabled_regmap(rdev);
214
215 if (ret == 0) {
216 ret = REGULATOR_STATUS_OFF;
217 } else if (ret > 0) {
218 ret = da9062_buck_get_mode(rdev);
219 if (ret > 0)
220 ret = regulator_mode_to_status(ret);
221 else if (ret == 0)
222 ret = -EIO;
223 }
224
225 return ret;
226}
227
228static int da9062_ldo_get_status(struct regulator_dev *rdev)
229{
230 int ret = regulator_is_enabled_regmap(rdev);
231
232 if (ret == 0) {
233 ret = REGULATOR_STATUS_OFF;
234 } else if (ret > 0) {
235 ret = da9062_ldo_get_mode(rdev);
236 if (ret > 0)
237 ret = regulator_mode_to_status(ret);
238 else if (ret == 0)
239 ret = -EIO;
240 }
241
242 return ret;
243}
244
245static int da9062_set_suspend_voltage(struct regulator_dev *rdev, int uv)
246{
247 struct da9062_regulator *regl = rdev_get_drvdata(rdev);
248 const struct da9062_regulator_info *rinfo = regl->info;
249 int ret, sel;
250
251 sel = regulator_map_voltage_linear(rdev, uv, uv);
252 if (sel < 0)
253 return sel;
254
255 sel <<= ffs(rdev->desc->vsel_mask) - 1;
256
257 ret = regmap_update_bits(regl->hw->regmap, rinfo->suspend_vsel_reg,
258 rdev->desc->vsel_mask, sel);
259
260 return ret;
261}
262
263static int da9062_suspend_enable(struct regulator_dev *rdev)
264{
265 struct da9062_regulator *regl = rdev_get_drvdata(rdev);
266
267 return regmap_field_write(regl->suspend, 1);
268}
269
270static int da9062_suspend_disable(struct regulator_dev *rdev)
271{
272 struct da9062_regulator *regl = rdev_get_drvdata(rdev);
273
274 return regmap_field_write(regl->suspend, 0);
275}
276
277static int da9062_buck_set_suspend_mode(struct regulator_dev *rdev,
278 unsigned mode)
279{
280 struct da9062_regulator *regl = rdev_get_drvdata(rdev);
281 int val;
282
283 switch (mode) {
284 case REGULATOR_MODE_FAST:
285 val = BUCK_MODE_SYNC;
286 break;
287 case REGULATOR_MODE_NORMAL:
288 val = BUCK_MODE_AUTO;
289 break;
290 case REGULATOR_MODE_STANDBY:
291 val = BUCK_MODE_SLEEP;
292 break;
293 default:
294 return -EINVAL;
295 }
296
297 return regmap_field_write(regl->mode, val);
298}
299
300static int da9062_ldo_set_suspend_mode(struct regulator_dev *rdev,
301 unsigned mode)
302{
303 struct da9062_regulator *regl = rdev_get_drvdata(rdev);
304 unsigned val;
305
306 switch (mode) {
307 case REGULATOR_MODE_NORMAL:
308 val = 0;
309 break;
310 case REGULATOR_MODE_STANDBY:
311 val = 1;
312 break;
313 default:
314 return -EINVAL;
315 }
316
317 return regmap_field_write(regl->suspend_sleep, val);
318}
319
71242b49 320static const struct regulator_ops da9062_buck_ops = {
4068e518
T		 321 .enable = regulator_enable_regmap,
322 .disable = regulator_disable_regmap,
323 .is_enabled = regulator_is_enabled_regmap,
324 .get_voltage_sel = regulator_get_voltage_sel_regmap,
325 .set_voltage_sel = regulator_set_voltage_sel_regmap,
326 .list_voltage = regulator_list_voltage_linear,
958e9b82
AL		 327 .set_current_limit = regulator_set_current_limit_regmap,
328 .get_current_limit = regulator_get_current_limit_regmap,
4068e518
T		 329 .set_mode = da9062_buck_set_mode,
330 .get_mode = da9062_buck_get_mode,
331 .get_status = da9062_buck_get_status,
332 .set_suspend_voltage = da9062_set_suspend_voltage,
333 .set_suspend_enable = da9062_suspend_enable,
334 .set_suspend_disable = da9062_suspend_disable,
335 .set_suspend_mode = da9062_buck_set_suspend_mode,
336};
337
71242b49 338static const struct regulator_ops da9062_ldo_ops = {
4068e518
T		 339 .enable = regulator_enable_regmap,
340 .disable = regulator_disable_regmap,
341 .is_enabled = regulator_is_enabled_regmap,
342 .get_voltage_sel = regulator_get_voltage_sel_regmap,
343 .set_voltage_sel = regulator_set_voltage_sel_regmap,
344 .list_voltage = regulator_list_voltage_linear,
345 .set_mode = da9062_ldo_set_mode,
346 .get_mode = da9062_ldo_get_mode,
347 .get_status = da9062_ldo_get_status,
348 .set_suspend_voltage = da9062_set_suspend_voltage,
349 .set_suspend_enable = da9062_suspend_enable,
350 .set_suspend_disable = da9062_suspend_disable,
351 .set_suspend_mode = da9062_ldo_set_suspend_mode,
352};
353
4b7f4958
ST		 354/* DA9061 Regulator information */
355static const struct da9062_regulator_info local_da9061_regulator_info[] = {
356 {
357 .desc.id = DA9061_ID_BUCK1,
358 .desc.name = "DA9061 BUCK1",
359 .desc.of_match = of_match_ptr("buck1"),
360 .desc.regulators_node = of_match_ptr("regulators"),
361 .desc.ops = &da9062_buck_ops,
362 .desc.min_uV = (300) * 1000,
363 .desc.uV_step = (10) * 1000,
364 .desc.n_voltages = ((1570) - (300))/(10) + 1,
958e9b82
AL		 365 .desc.curr_table = da9062_buck_a_limits,
366 .desc.n_current_limits = ARRAY_SIZE(da9062_buck_a_limits),
367 .desc.csel_reg = DA9062AA_BUCK_ILIM_C,
368 .desc.csel_mask = DA9062AA_BUCK1_ILIM_MASK,
4b7f4958
ST		 369 .desc.enable_reg = DA9062AA_BUCK1_CONT,
370 .desc.enable_mask = DA9062AA_BUCK1_EN_MASK,
371 .desc.vsel_reg = DA9062AA_VBUCK1_A,
372 .desc.vsel_mask = DA9062AA_VBUCK1_A_MASK,
373 .desc.linear_min_sel = 0,
374 .sleep = REG_FIELD(DA9062AA_VBUCK1_A,
375 __builtin_ffs((int)DA9062AA_BUCK1_SL_A_MASK) - 1,
376 sizeof(unsigned int) * 8 -
377 __builtin_clz((DA9062AA_BUCK1_SL_A_MASK)) - 1),
378 .suspend_sleep = REG_FIELD(DA9062AA_VBUCK1_B,
379 __builtin_ffs((int)DA9062AA_BUCK1_SL_B_MASK) - 1,
380 sizeof(unsigned int) * 8 -
381 __builtin_clz((DA9062AA_BUCK1_SL_B_MASK)) - 1),
382 .suspend_vsel_reg = DA9062AA_VBUCK1_B,
383 .mode = REG_FIELD(DA9062AA_BUCK1_CFG,
384 __builtin_ffs((int)DA9062AA_BUCK1_MODE_MASK) - 1,
385 sizeof(unsigned int) * 8 -
386 __builtin_clz((DA9062AA_BUCK1_MODE_MASK)) - 1),
a72865f0
MF		 387 .suspend = REG_FIELD(DA9062AA_BUCK1_CONT,
388 __builtin_ffs((int)DA9062AA_BUCK1_CONF_MASK) - 1,
4b7f4958 389 sizeof(unsigned int) * 8 -
a72865f0 390 __builtin_clz(DA9062AA_BUCK1_CONF_MASK) - 1),
4b7f4958
ST		 391 },
392 {
393 .desc.id = DA9061_ID_BUCK2,
394 .desc.name = "DA9061 BUCK2",
395 .desc.of_match = of_match_ptr("buck2"),
396 .desc.regulators_node = of_match_ptr("regulators"),
397 .desc.ops = &da9062_buck_ops,
398 .desc.min_uV = (800) * 1000,
399 .desc.uV_step = (20) * 1000,
400 .desc.n_voltages = ((3340) - (800))/(20) + 1,
958e9b82
AL		 401 .desc.curr_table = da9062_buck_b_limits,
402 .desc.n_current_limits = ARRAY_SIZE(da9062_buck_b_limits),
403 .desc.csel_reg = DA9062AA_BUCK_ILIM_A,
404 .desc.csel_mask = DA9062AA_BUCK3_ILIM_MASK,
4b7f4958
ST		 405 .desc.enable_reg = DA9062AA_BUCK3_CONT,
406 .desc.enable_mask = DA9062AA_BUCK3_EN_MASK,
407 .desc.vsel_reg = DA9062AA_VBUCK3_A,
408 .desc.vsel_mask = DA9062AA_VBUCK3_A_MASK,
409 .desc.linear_min_sel = 0,
410 .sleep = REG_FIELD(DA9062AA_VBUCK3_A,
411 __builtin_ffs((int)DA9062AA_BUCK3_SL_A_MASK) - 1,
412 sizeof(unsigned int) * 8 -
413 __builtin_clz((DA9062AA_BUCK3_SL_A_MASK)) - 1),
414 .suspend_sleep = REG_FIELD(DA9062AA_VBUCK3_B,
415 __builtin_ffs((int)DA9062AA_BUCK3_SL_B_MASK) - 1,
416 sizeof(unsigned int) * 8 -
417 __builtin_clz((DA9062AA_BUCK3_SL_B_MASK)) - 1),
418 .suspend_vsel_reg = DA9062AA_VBUCK3_B,
419 .mode = REG_FIELD(DA9062AA_BUCK3_CFG,
420 __builtin_ffs((int)DA9062AA_BUCK3_MODE_MASK) - 1,
421 sizeof(unsigned int) * 8 -
422 __builtin_clz((DA9062AA_BUCK3_MODE_MASK)) - 1),
a72865f0
MF		 423 .suspend = REG_FIELD(DA9062AA_BUCK3_CONT,
424 __builtin_ffs((int)DA9062AA_BUCK3_CONF_MASK) - 1,
4b7f4958 425 sizeof(unsigned int) * 8 -
a72865f0 426 __builtin_clz(DA9062AA_BUCK3_CONF_MASK) - 1),
4b7f4958
ST		 427 },
428 {
429 .desc.id = DA9061_ID_BUCK3,
430 .desc.name = "DA9061 BUCK3",
431 .desc.of_match = of_match_ptr("buck3"),
432 .desc.regulators_node = of_match_ptr("regulators"),
433 .desc.ops = &da9062_buck_ops,
434 .desc.min_uV = (530) * 1000,
435 .desc.uV_step = (10) * 1000,
436 .desc.n_voltages = ((1800) - (530))/(10) + 1,
958e9b82
AL		 437 .desc.curr_table = da9062_buck_a_limits,
438 .desc.n_current_limits = ARRAY_SIZE(da9062_buck_a_limits),
439 .desc.csel_reg = DA9062AA_BUCK_ILIM_B,
440 .desc.csel_mask = DA9062AA_BUCK4_ILIM_MASK,
4b7f4958
ST		 441 .desc.enable_reg = DA9062AA_BUCK4_CONT,
442 .desc.enable_mask = DA9062AA_BUCK4_EN_MASK,
443 .desc.vsel_reg = DA9062AA_VBUCK4_A,
444 .desc.vsel_mask = DA9062AA_VBUCK4_A_MASK,
445 .desc.linear_min_sel = 0,
446 .sleep = REG_FIELD(DA9062AA_VBUCK4_A,
447 __builtin_ffs((int)DA9062AA_BUCK4_SL_A_MASK) - 1,
448 sizeof(unsigned int) * 8 -
449 __builtin_clz((DA9062AA_BUCK4_SL_A_MASK)) - 1),
450 .suspend_sleep = REG_FIELD(DA9062AA_VBUCK4_B,
451 __builtin_ffs((int)DA9062AA_BUCK4_SL_B_MASK) - 1,
452 sizeof(unsigned int) * 8 -
453 __builtin_clz((DA9062AA_BUCK4_SL_B_MASK)) - 1),
454 .suspend_vsel_reg = DA9062AA_VBUCK4_B,
455 .mode = REG_FIELD(DA9062AA_BUCK4_CFG,
456 __builtin_ffs((int)DA9062AA_BUCK4_MODE_MASK) - 1,
457 sizeof(unsigned int) * 8 -
458 __builtin_clz((DA9062AA_BUCK4_MODE_MASK)) - 1),
a72865f0
MF		 459 .suspend = REG_FIELD(DA9062AA_BUCK4_CONT,
460 __builtin_ffs((int)DA9062AA_BUCK4_CONF_MASK) - 1,
4b7f4958 461 sizeof(unsigned int) * 8 -
a72865f0 462 __builtin_clz(DA9062AA_BUCK4_CONF_MASK) - 1),
4b7f4958
ST		 463 },
464 {
465 .desc.id = DA9061_ID_LDO1,
466 .desc.name = "DA9061 LDO1",
467 .desc.of_match = of_match_ptr("ldo1"),
468 .desc.regulators_node = of_match_ptr("regulators"),
469 .desc.ops = &da9062_ldo_ops,
470 .desc.min_uV = (900) * 1000,
471 .desc.uV_step = (50) * 1000,
fd5d1005
FR		 472 .desc.n_voltages = ((3600) - (900))/(50) + 1
473 + DA9062AA_VLDO_A_MIN_SEL,
4b7f4958
ST		 474 .desc.enable_reg = DA9062AA_LDO1_CONT,
475 .desc.enable_mask = DA9062AA_LDO1_EN_MASK,
476 .desc.vsel_reg = DA9062AA_VLDO1_A,
477 .desc.vsel_mask = DA9062AA_VLDO1_A_MASK,
fd5d1005 478 .desc.linear_min_sel = DA9062AA_VLDO_A_MIN_SEL,
4b7f4958
ST		 479 .sleep = REG_FIELD(DA9062AA_VLDO1_A,
480 __builtin_ffs((int)DA9062AA_LDO1_SL_A_MASK) - 1,
481 sizeof(unsigned int) * 8 -
482 __builtin_clz((DA9062AA_LDO1_SL_A_MASK)) - 1),
483 .suspend_sleep = REG_FIELD(DA9062AA_VLDO1_B,
484 __builtin_ffs((int)DA9062AA_LDO1_SL_B_MASK) - 1,
485 sizeof(unsigned int) * 8 -
486 __builtin_clz((DA9062AA_LDO1_SL_B_MASK)) - 1),
487 .suspend_vsel_reg = DA9062AA_VLDO1_B,
a72865f0
MF		 488 .suspend = REG_FIELD(DA9062AA_LDO1_CONT,
489 __builtin_ffs((int)DA9062AA_LDO1_CONF_MASK) - 1,
4b7f4958 490 sizeof(unsigned int) * 8 -
a72865f0 491 __builtin_clz(DA9062AA_LDO1_CONF_MASK) - 1),
4b7f4958
ST		 492 .oc_event = REG_FIELD(DA9062AA_STATUS_D,
493 __builtin_ffs((int)DA9062AA_LDO1_ILIM_MASK) - 1,
494 sizeof(unsigned int) * 8 -
495 __builtin_clz((DA9062AA_LDO1_ILIM_MASK)) - 1),
496 },
497 {
498 .desc.id = DA9061_ID_LDO2,
499 .desc.name = "DA9061 LDO2",
500 .desc.of_match = of_match_ptr("ldo2"),
501 .desc.regulators_node = of_match_ptr("regulators"),
502 .desc.ops = &da9062_ldo_ops,
503 .desc.min_uV = (900) * 1000,
504 .desc.uV_step = (50) * 1000,
fd5d1005
FR		 505 .desc.n_voltages = ((3600) - (900))/(50) + 1
506 + DA9062AA_VLDO_A_MIN_SEL,
4b7f4958
ST		 507 .desc.enable_reg = DA9062AA_LDO2_CONT,
508 .desc.enable_mask = DA9062AA_LDO2_EN_MASK,
509 .desc.vsel_reg = DA9062AA_VLDO2_A,
510 .desc.vsel_mask = DA9062AA_VLDO2_A_MASK,
fd5d1005 511 .desc.linear_min_sel = DA9062AA_VLDO_A_MIN_SEL,
4b7f4958
ST		 512 .sleep = REG_FIELD(DA9062AA_VLDO2_A,
513 __builtin_ffs((int)DA9062AA_LDO2_SL_A_MASK) - 1,
514 sizeof(unsigned int) * 8 -
515 __builtin_clz((DA9062AA_LDO2_SL_A_MASK)) - 1),
516 .suspend_sleep = REG_FIELD(DA9062AA_VLDO2_B,
517 __builtin_ffs((int)DA9062AA_LDO2_SL_B_MASK) - 1,
518 sizeof(unsigned int) * 8 -
519 __builtin_clz((DA9062AA_LDO2_SL_B_MASK)) - 1),
520 .suspend_vsel_reg = DA9062AA_VLDO2_B,
a72865f0
MF		 521 .suspend = REG_FIELD(DA9062AA_LDO2_CONT,
522 __builtin_ffs((int)DA9062AA_LDO2_CONF_MASK) - 1,
4b7f4958 523 sizeof(unsigned int) * 8 -
a72865f0 524 __builtin_clz(DA9062AA_LDO2_CONF_MASK) - 1),
4b7f4958
ST		 525 .oc_event = REG_FIELD(DA9062AA_STATUS_D,
526 __builtin_ffs((int)DA9062AA_LDO2_ILIM_MASK) - 1,
527 sizeof(unsigned int) * 8 -
528 __builtin_clz((DA9062AA_LDO2_ILIM_MASK)) - 1),
529 },
530 {
531 .desc.id = DA9061_ID_LDO3,
532 .desc.name = "DA9061 LDO3",
533 .desc.of_match = of_match_ptr("ldo3"),
534 .desc.regulators_node = of_match_ptr("regulators"),
535 .desc.ops = &da9062_ldo_ops,
536 .desc.min_uV = (900) * 1000,
537 .desc.uV_step = (50) * 1000,
fd5d1005
FR		 538 .desc.n_voltages = ((3600) - (900))/(50) + 1
539 + DA9062AA_VLDO_A_MIN_SEL,
4b7f4958
ST		 540 .desc.enable_reg = DA9062AA_LDO3_CONT,
541 .desc.enable_mask = DA9062AA_LDO3_EN_MASK,
542 .desc.vsel_reg = DA9062AA_VLDO3_A,
543 .desc.vsel_mask = DA9062AA_VLDO3_A_MASK,
fd5d1005 544 .desc.linear_min_sel = DA9062AA_VLDO_A_MIN_SEL,
4b7f4958
ST		 545 .sleep = REG_FIELD(DA9062AA_VLDO3_A,
546 __builtin_ffs((int)DA9062AA_LDO3_SL_A_MASK) - 1,
547 sizeof(unsigned int) * 8 -
548 __builtin_clz((DA9062AA_LDO3_SL_A_MASK)) - 1),
549 .suspend_sleep = REG_FIELD(DA9062AA_VLDO3_B,
550 __builtin_ffs((int)DA9062AA_LDO3_SL_B_MASK) - 1,
551 sizeof(unsigned int) * 8 -
552 __builtin_clz((DA9062AA_LDO3_SL_B_MASK)) - 1),
553 .suspend_vsel_reg = DA9062AA_VLDO3_B,
a72865f0
MF		 554 .suspend = REG_FIELD(DA9062AA_LDO3_CONT,
555 __builtin_ffs((int)DA9062AA_LDO3_CONF_MASK) - 1,
4b7f4958 556 sizeof(unsigned int) * 8 -
a72865f0 557 __builtin_clz(DA9062AA_LDO3_CONF_MASK) - 1),
4b7f4958
ST		 558 .oc_event = REG_FIELD(DA9062AA_STATUS_D,
559 __builtin_ffs((int)DA9062AA_LDO3_ILIM_MASK) - 1,
560 sizeof(unsigned int) * 8 -
561 __builtin_clz((DA9062AA_LDO3_ILIM_MASK)) - 1),
562 },
563 {
564 .desc.id = DA9061_ID_LDO4,
565 .desc.name = "DA9061 LDO4",
566 .desc.of_match = of_match_ptr("ldo4"),
567 .desc.regulators_node = of_match_ptr("regulators"),
568 .desc.ops = &da9062_ldo_ops,
569 .desc.min_uV = (900) * 1000,
570 .desc.uV_step = (50) * 1000,
fd5d1005
FR		 571 .desc.n_voltages = ((3600) - (900))/(50) + 1
572 + DA9062AA_VLDO_A_MIN_SEL,
4b7f4958
ST		 573 .desc.enable_reg = DA9062AA_LDO4_CONT,
574 .desc.enable_mask = DA9062AA_LDO4_EN_MASK,
575 .desc.vsel_reg = DA9062AA_VLDO4_A,
576 .desc.vsel_mask = DA9062AA_VLDO4_A_MASK,
fd5d1005 577 .desc.linear_min_sel = DA9062AA_VLDO_A_MIN_SEL,
4b7f4958
ST		 578 .sleep = REG_FIELD(DA9062AA_VLDO4_A,
579 __builtin_ffs((int)DA9062AA_LDO4_SL_A_MASK) - 1,
580 sizeof(unsigned int) * 8 -
581 __builtin_clz((DA9062AA_LDO4_SL_A_MASK)) - 1),
582 .suspend_sleep = REG_FIELD(DA9062AA_VLDO4_B,
583 __builtin_ffs((int)DA9062AA_LDO4_SL_B_MASK) - 1,
584 sizeof(unsigned int) * 8 -
585 __builtin_clz((DA9062AA_LDO4_SL_B_MASK)) - 1),
586 .suspend_vsel_reg = DA9062AA_VLDO4_B,
a72865f0
MF		 587 .suspend = REG_FIELD(DA9062AA_LDO4_CONT,
588 __builtin_ffs((int)DA9062AA_LDO4_CONF_MASK) - 1,
4b7f4958 589 sizeof(unsigned int) * 8 -
a72865f0 590 __builtin_clz(DA9062AA_LDO4_CONF_MASK) - 1),
4b7f4958
ST		 591 .oc_event = REG_FIELD(DA9062AA_STATUS_D,
592 __builtin_ffs((int)DA9062AA_LDO4_ILIM_MASK) - 1,
593 sizeof(unsigned int) * 8 -
594 __builtin_clz((DA9062AA_LDO4_ILIM_MASK)) - 1),
595 },
596};
597
598/* DA9062 Regulator information */
599static const struct da9062_regulator_info local_da9062_regulator_info[] = {
4068e518
T		 600 {
601 .desc.id = DA9062_ID_BUCK1,
602 .desc.name = "DA9062 BUCK1",
603 .desc.of_match = of_match_ptr("buck1"),
604 .desc.regulators_node = of_match_ptr("regulators"),
605 .desc.ops = &da9062_buck_ops,
606 .desc.min_uV = (300) * 1000,
607 .desc.uV_step = (10) * 1000,
608 .desc.n_voltages = ((1570) - (300))/(10) + 1,
958e9b82
AL		 609 .desc.curr_table = da9062_buck_a_limits,
610 .desc.n_current_limits = ARRAY_SIZE(da9062_buck_a_limits),
611 .desc.csel_reg = DA9062AA_BUCK_ILIM_C,
612 .desc.csel_mask = DA9062AA_BUCK1_ILIM_MASK,
4068e518
T		 613 .desc.enable_reg = DA9062AA_BUCK1_CONT,
614 .desc.enable_mask = DA9062AA_BUCK1_EN_MASK,
615 .desc.vsel_reg = DA9062AA_VBUCK1_A,
616 .desc.vsel_mask = DA9062AA_VBUCK1_A_MASK,
617 .desc.linear_min_sel = 0,
618 .sleep = REG_FIELD(DA9062AA_VBUCK1_A,
619 __builtin_ffs((int)DA9062AA_BUCK1_SL_A_MASK) - 1,
620 sizeof(unsigned int) * 8 -
621 __builtin_clz((DA9062AA_BUCK1_SL_A_MASK)) - 1),
622 .suspend_sleep = REG_FIELD(DA9062AA_VBUCK1_B,
623 __builtin_ffs((int)DA9062AA_BUCK1_SL_B_MASK) - 1,
624 sizeof(unsigned int) * 8 -
625 __builtin_clz((DA9062AA_BUCK1_SL_B_MASK)) - 1),
626 .suspend_vsel_reg = DA9062AA_VBUCK1_B,
627 .mode = REG_FIELD(DA9062AA_BUCK1_CFG,
628 __builtin_ffs((int)DA9062AA_BUCK1_MODE_MASK) - 1,
629 sizeof(unsigned int) * 8 -
630 __builtin_clz((DA9062AA_BUCK1_MODE_MASK)) - 1),
a72865f0
MF		 631 .suspend = REG_FIELD(DA9062AA_BUCK1_CONT,
632 __builtin_ffs((int)DA9062AA_BUCK1_CONF_MASK) - 1,
4068e518 633 sizeof(unsigned int) * 8 -
a72865f0 634 __builtin_clz(DA9062AA_BUCK1_CONF_MASK) - 1),
4068e518
T		 635 },
636 {
637 .desc.id = DA9062_ID_BUCK2,
638 .desc.name = "DA9062 BUCK2",
639 .desc.of_match = of_match_ptr("buck2"),
640 .desc.regulators_node = of_match_ptr("regulators"),
641 .desc.ops = &da9062_buck_ops,
642 .desc.min_uV = (300) * 1000,
643 .desc.uV_step = (10) * 1000,
644 .desc.n_voltages = ((1570) - (300))/(10) + 1,
958e9b82
AL		 645 .desc.curr_table = da9062_buck_a_limits,
646 .desc.n_current_limits = ARRAY_SIZE(da9062_buck_a_limits),
647 .desc.csel_reg = DA9062AA_BUCK_ILIM_C,
648 .desc.csel_mask = DA9062AA_BUCK2_ILIM_MASK,
4068e518
T		 649 .desc.enable_reg = DA9062AA_BUCK2_CONT,
650 .desc.enable_mask = DA9062AA_BUCK2_EN_MASK,
651 .desc.vsel_reg = DA9062AA_VBUCK2_A,
652 .desc.vsel_mask = DA9062AA_VBUCK2_A_MASK,
653 .desc.linear_min_sel = 0,
654 .sleep = REG_FIELD(DA9062AA_VBUCK2_A,
655 __builtin_ffs((int)DA9062AA_BUCK2_SL_A_MASK) - 1,
656 sizeof(unsigned int) * 8 -
657 __builtin_clz((DA9062AA_BUCK2_SL_A_MASK)) - 1),
658 .suspend_sleep = REG_FIELD(DA9062AA_VBUCK2_B,
659 __builtin_ffs((int)DA9062AA_BUCK2_SL_B_MASK) - 1,
660 sizeof(unsigned int) * 8 -
661 __builtin_clz((DA9062AA_BUCK2_SL_B_MASK)) - 1),
662 .suspend_vsel_reg = DA9062AA_VBUCK2_B,
663 .mode = REG_FIELD(DA9062AA_BUCK2_CFG,
664 __builtin_ffs((int)DA9062AA_BUCK2_MODE_MASK) - 1,
665 sizeof(unsigned int) * 8 -
666 __builtin_clz((DA9062AA_BUCK2_MODE_MASK)) - 1),
a72865f0
MF		 667 .suspend = REG_FIELD(DA9062AA_BUCK2_CONT,
668 __builtin_ffs((int)DA9062AA_BUCK2_CONF_MASK) - 1,
4068e518 669 sizeof(unsigned int) * 8 -
a72865f0 670 __builtin_clz(DA9062AA_BUCK2_CONF_MASK) - 1),
4068e518
T		 671 },
672 {
673 .desc.id = DA9062_ID_BUCK3,
674 .desc.name = "DA9062 BUCK3",
675 .desc.of_match = of_match_ptr("buck3"),
676 .desc.regulators_node = of_match_ptr("regulators"),
677 .desc.ops = &da9062_buck_ops,
678 .desc.min_uV = (800) * 1000,
679 .desc.uV_step = (20) * 1000,
680 .desc.n_voltages = ((3340) - (800))/(20) + 1,
958e9b82
AL		 681 .desc.curr_table = da9062_buck_b_limits,
682 .desc.n_current_limits = ARRAY_SIZE(da9062_buck_b_limits),
683 .desc.csel_reg = DA9062AA_BUCK_ILIM_A,
684 .desc.csel_mask = DA9062AA_BUCK3_ILIM_MASK,
4068e518
T		 685 .desc.enable_reg = DA9062AA_BUCK3_CONT,
686 .desc.enable_mask = DA9062AA_BUCK3_EN_MASK,
687 .desc.vsel_reg = DA9062AA_VBUCK3_A,
688 .desc.vsel_mask = DA9062AA_VBUCK3_A_MASK,
689 .desc.linear_min_sel = 0,
690 .sleep = REG_FIELD(DA9062AA_VBUCK3_A,
691 __builtin_ffs((int)DA9062AA_BUCK3_SL_A_MASK) - 1,
692 sizeof(unsigned int) * 8 -
693 __builtin_clz((DA9062AA_BUCK3_SL_A_MASK)) - 1),
694 .suspend_sleep = REG_FIELD(DA9062AA_VBUCK3_B,
695 __builtin_ffs((int)DA9062AA_BUCK3_SL_B_MASK) - 1,
696 sizeof(unsigned int) * 8 -
697 __builtin_clz((DA9062AA_BUCK3_SL_B_MASK)) - 1),
698 .suspend_vsel_reg = DA9062AA_VBUCK3_B,
699 .mode = REG_FIELD(DA9062AA_BUCK3_CFG,
700 __builtin_ffs((int)DA9062AA_BUCK3_MODE_MASK) - 1,
701 sizeof(unsigned int) * 8 -
702 __builtin_clz((DA9062AA_BUCK3_MODE_MASK)) - 1),
a72865f0
MF		 703 .suspend = REG_FIELD(DA9062AA_BUCK3_CONT,
704 __builtin_ffs((int)DA9062AA_BUCK3_CONF_MASK) - 1,
4068e518 705 sizeof(unsigned int) * 8 -
a72865f0 706 __builtin_clz(DA9062AA_BUCK3_CONF_MASK) - 1),
4068e518
T		 707 },
708 {
709 .desc.id = DA9062_ID_BUCK4,
710 .desc.name = "DA9062 BUCK4",
711 .desc.of_match = of_match_ptr("buck4"),
712 .desc.regulators_node = of_match_ptr("regulators"),
713 .desc.ops = &da9062_buck_ops,
714 .desc.min_uV = (530) * 1000,
715 .desc.uV_step = (10) * 1000,
716 .desc.n_voltages = ((1800) - (530))/(10) + 1,
958e9b82
AL		 717 .desc.curr_table = da9062_buck_a_limits,
718 .desc.n_current_limits = ARRAY_SIZE(da9062_buck_a_limits),
719 .desc.csel_reg = DA9062AA_BUCK_ILIM_B,
720 .desc.csel_mask = DA9062AA_BUCK4_ILIM_MASK,
4068e518
T		 721 .desc.enable_reg = DA9062AA_BUCK4_CONT,
722 .desc.enable_mask = DA9062AA_BUCK4_EN_MASK,
723 .desc.vsel_reg = DA9062AA_VBUCK4_A,
724 .desc.vsel_mask = DA9062AA_VBUCK4_A_MASK,
725 .desc.linear_min_sel = 0,
726 .sleep = REG_FIELD(DA9062AA_VBUCK4_A,
727 __builtin_ffs((int)DA9062AA_BUCK4_SL_A_MASK) - 1,
728 sizeof(unsigned int) * 8 -
729 __builtin_clz((DA9062AA_BUCK4_SL_A_MASK)) - 1),
730 .suspend_sleep = REG_FIELD(DA9062AA_VBUCK4_B,
731 __builtin_ffs((int)DA9062AA_BUCK4_SL_B_MASK) - 1,
732 sizeof(unsigned int) * 8 -
733 __builtin_clz((DA9062AA_BUCK4_SL_B_MASK)) - 1),
734 .suspend_vsel_reg = DA9062AA_VBUCK4_B,
735 .mode = REG_FIELD(DA9062AA_BUCK4_CFG,
736 __builtin_ffs((int)DA9062AA_BUCK4_MODE_MASK) - 1,
737 sizeof(unsigned int) * 8 -
738 __builtin_clz((DA9062AA_BUCK4_MODE_MASK)) - 1),
a72865f0
MF		 739 .suspend = REG_FIELD(DA9062AA_BUCK4_CONT,
740 __builtin_ffs((int)DA9062AA_BUCK4_CONF_MASK) - 1,
4068e518 741 sizeof(unsigned int) * 8 -
a72865f0 742 __builtin_clz(DA9062AA_BUCK4_CONF_MASK) - 1),
4068e518
T		 743 },
744 {
745 .desc.id = DA9062_ID_LDO1,
746 .desc.name = "DA9062 LDO1",
747 .desc.of_match = of_match_ptr("ldo1"),
748 .desc.regulators_node = of_match_ptr("regulators"),
749 .desc.ops = &da9062_ldo_ops,
750 .desc.min_uV = (900) * 1000,
751 .desc.uV_step = (50) * 1000,
fd5d1005
FR		 752 .desc.n_voltages = ((3600) - (900))/(50) + 1
753 + DA9062AA_VLDO_A_MIN_SEL,
4068e518
T		 754 .desc.enable_reg = DA9062AA_LDO1_CONT,
755 .desc.enable_mask = DA9062AA_LDO1_EN_MASK,
756 .desc.vsel_reg = DA9062AA_VLDO1_A,
757 .desc.vsel_mask = DA9062AA_VLDO1_A_MASK,
fd5d1005 758 .desc.linear_min_sel = DA9062AA_VLDO_A_MIN_SEL,
4068e518
T		 759 .sleep = REG_FIELD(DA9062AA_VLDO1_A,
760 __builtin_ffs((int)DA9062AA_LDO1_SL_A_MASK) - 1,
761 sizeof(unsigned int) * 8 -
762 __builtin_clz((DA9062AA_LDO1_SL_A_MASK)) - 1),
763 .suspend_sleep = REG_FIELD(DA9062AA_VLDO1_B,
764 __builtin_ffs((int)DA9062AA_LDO1_SL_B_MASK) - 1,
765 sizeof(unsigned int) * 8 -
766 __builtin_clz((DA9062AA_LDO1_SL_B_MASK)) - 1),
767 .suspend_vsel_reg = DA9062AA_VLDO1_B,
a72865f0
MF		 768 .suspend = REG_FIELD(DA9062AA_LDO1_CONT,
769 __builtin_ffs((int)DA9062AA_LDO1_CONF_MASK) - 1,
4068e518 770 sizeof(unsigned int) * 8 -
a72865f0 771 __builtin_clz(DA9062AA_LDO1_CONF_MASK) - 1),
4068e518
T		 772 .oc_event = REG_FIELD(DA9062AA_STATUS_D,
773 __builtin_ffs((int)DA9062AA_LDO1_ILIM_MASK) - 1,
774 sizeof(unsigned int) * 8 -
775 __builtin_clz((DA9062AA_LDO1_ILIM_MASK)) - 1),
776 },
777 {
778 .desc.id = DA9062_ID_LDO2,
779 .desc.name = "DA9062 LDO2",
780 .desc.of_match = of_match_ptr("ldo2"),
781 .desc.regulators_node = of_match_ptr("regulators"),
782 .desc.ops = &da9062_ldo_ops,
783 .desc.min_uV = (900) * 1000,
784 .desc.uV_step = (50) * 1000,
fd5d1005
FR		 785 .desc.n_voltages = ((3600) - (900))/(50) + 1
786 + DA9062AA_VLDO_A_MIN_SEL,
4068e518
T		 787 .desc.enable_reg = DA9062AA_LDO2_CONT,
788 .desc.enable_mask = DA9062AA_LDO2_EN_MASK,
789 .desc.vsel_reg = DA9062AA_VLDO2_A,
790 .desc.vsel_mask = DA9062AA_VLDO2_A_MASK,
fd5d1005 791 .desc.linear_min_sel = DA9062AA_VLDO_A_MIN_SEL,
4068e518
T		 792 .sleep = REG_FIELD(DA9062AA_VLDO2_A,
793 __builtin_ffs((int)DA9062AA_LDO2_SL_A_MASK) - 1,
794 sizeof(unsigned int) * 8 -
795 __builtin_clz((DA9062AA_LDO2_SL_A_MASK)) - 1),
796 .suspend_sleep = REG_FIELD(DA9062AA_VLDO2_B,
797 __builtin_ffs((int)DA9062AA_LDO2_SL_B_MASK) - 1,
798 sizeof(unsigned int) * 8 -
799 __builtin_clz((DA9062AA_LDO2_SL_B_MASK)) - 1),
800 .suspend_vsel_reg = DA9062AA_VLDO2_B,
a72865f0
MF		 801 .suspend = REG_FIELD(DA9062AA_LDO2_CONT,
802 __builtin_ffs((int)DA9062AA_LDO2_CONF_MASK) - 1,
4068e518 803 sizeof(unsigned int) * 8 -
a72865f0 804 __builtin_clz(DA9062AA_LDO2_CONF_MASK) - 1),
4068e518
T		 805 .oc_event = REG_FIELD(DA9062AA_STATUS_D,
806 __builtin_ffs((int)DA9062AA_LDO2_ILIM_MASK) - 1,
807 sizeof(unsigned int) * 8 -
808 __builtin_clz((DA9062AA_LDO2_ILIM_MASK)) - 1),
809 },
810 {
811 .desc.id = DA9062_ID_LDO3,
812 .desc.name = "DA9062 LDO3",
813 .desc.of_match = of_match_ptr("ldo3"),
814 .desc.regulators_node = of_match_ptr("regulators"),
815 .desc.ops = &da9062_ldo_ops,
816 .desc.min_uV = (900) * 1000,
817 .desc.uV_step = (50) * 1000,
fd5d1005
FR		 818 .desc.n_voltages = ((3600) - (900))/(50) + 1
819 + DA9062AA_VLDO_A_MIN_SEL,
4068e518
T		 820 .desc.enable_reg = DA9062AA_LDO3_CONT,
821 .desc.enable_mask = DA9062AA_LDO3_EN_MASK,
822 .desc.vsel_reg = DA9062AA_VLDO3_A,
823 .desc.vsel_mask = DA9062AA_VLDO3_A_MASK,
fd5d1005 824 .desc.linear_min_sel = DA9062AA_VLDO_A_MIN_SEL,
4068e518
T		 825 .sleep = REG_FIELD(DA9062AA_VLDO3_A,
826 __builtin_ffs((int)DA9062AA_LDO3_SL_A_MASK) - 1,
827 sizeof(unsigned int) * 8 -
828 __builtin_clz((DA9062AA_LDO3_SL_A_MASK)) - 1),
829 .suspend_sleep = REG_FIELD(DA9062AA_VLDO3_B,
830 __builtin_ffs((int)DA9062AA_LDO3_SL_B_MASK) - 1,
831 sizeof(unsigned int) * 8 -
832 __builtin_clz((DA9062AA_LDO3_SL_B_MASK)) - 1),
833 .suspend_vsel_reg = DA9062AA_VLDO3_B,
a72865f0
MF		 834 .suspend = REG_FIELD(DA9062AA_LDO3_CONT,
835 __builtin_ffs((int)DA9062AA_LDO3_CONF_MASK) - 1,
4068e518 836 sizeof(unsigned int) * 8 -
a72865f0 837 __builtin_clz(DA9062AA_LDO3_CONF_MASK) - 1),
4068e518
T		 838 .oc_event = REG_FIELD(DA9062AA_STATUS_D,
839 __builtin_ffs((int)DA9062AA_LDO3_ILIM_MASK) - 1,
840 sizeof(unsigned int) * 8 -
841 __builtin_clz((DA9062AA_LDO3_ILIM_MASK)) - 1),
842 },
843 {
844 .desc.id = DA9062_ID_LDO4,
845 .desc.name = "DA9062 LDO4",
846 .desc.of_match = of_match_ptr("ldo4"),
847 .desc.regulators_node = of_match_ptr("regulators"),
848 .desc.ops = &da9062_ldo_ops,
849 .desc.min_uV = (900) * 1000,
850 .desc.uV_step = (50) * 1000,
fd5d1005
FR		 851 .desc.n_voltages = ((3600) - (900))/(50) + 1
852 + DA9062AA_VLDO_A_MIN_SEL,
4068e518
T		 853 .desc.enable_reg = DA9062AA_LDO4_CONT,
854 .desc.enable_mask = DA9062AA_LDO4_EN_MASK,
855 .desc.vsel_reg = DA9062AA_VLDO4_A,
856 .desc.vsel_mask = DA9062AA_VLDO4_A_MASK,
fd5d1005 857 .desc.linear_min_sel = DA9062AA_VLDO_A_MIN_SEL,
4068e518
T		 858 .sleep = REG_FIELD(DA9062AA_VLDO4_A,
859 __builtin_ffs((int)DA9062AA_LDO4_SL_A_MASK) - 1,
860 sizeof(unsigned int) * 8 -
861 __builtin_clz((DA9062AA_LDO4_SL_A_MASK)) - 1),
862 .suspend_sleep = REG_FIELD(DA9062AA_VLDO4_B,
863 __builtin_ffs((int)DA9062AA_LDO4_SL_B_MASK) - 1,
864 sizeof(unsigned int) * 8 -
865 __builtin_clz((DA9062AA_LDO4_SL_B_MASK)) - 1),
866 .suspend_vsel_reg = DA9062AA_VLDO4_B,
a72865f0
MF		 867 .suspend = REG_FIELD(DA9062AA_LDO4_CONT,
868 __builtin_ffs((int)DA9062AA_LDO4_CONF_MASK) - 1,
4068e518 869 sizeof(unsigned int) * 8 -
a72865f0 870 __builtin_clz(DA9062AA_LDO4_CONF_MASK) - 1),
4068e518
T		 871 .oc_event = REG_FIELD(DA9062AA_STATUS_D,
872 __builtin_ffs((int)DA9062AA_LDO4_ILIM_MASK) - 1,
873 sizeof(unsigned int) * 8 -
874 __builtin_clz((DA9062AA_LDO4_ILIM_MASK)) - 1),
875 },
876};
877
878/* Regulator interrupt handlers */
879static irqreturn_t da9062_ldo_lim_event(int irq, void *data)
880{
881 struct da9062_regulators *regulators = data;
882 struct da9062 *hw = regulators->regulator[0].hw;
883 struct da9062_regulator *regl;
884 int handled = IRQ_NONE;
885 int bits, i, ret;
886
887 ret = regmap_read(hw->regmap, DA9062AA_STATUS_D, &bits);
888 if (ret < 0) {
889 dev_err(hw->dev,
890 "Failed to read LDO overcurrent indicator\n");
891 goto ldo_lim_error;
892 }
893
894 for (i = regulators->n_regulators - 1; i >= 0; i--) {
895 regl = &regulators->regulator[i];
896 if (regl->info->oc_event.reg != DA9062AA_STATUS_D)
897 continue;
898
899 if (BIT(regl->info->oc_event.lsb) & bits) {
978995de 900 regulator_lock(regl->rdev);
4068e518
T		 901 regulator_notifier_call_chain(regl->rdev,
902 REGULATOR_EVENT_OVER_CURRENT, NULL);
978995de 903 regulator_unlock(regl->rdev);
4068e518
T		 904 handled = IRQ_HANDLED;
905 }
906 }
907
908ldo_lim_error:
909 return handled;
910}
911
912static int da9062_regulator_probe(struct platform_device *pdev)
913{
914 struct da9062 *chip = dev_get_drvdata(pdev->dev.parent);
4068e518
T		 915 struct da9062_regulators *regulators;
916 struct da9062_regulator *regl;
917 struct regulator_config config = { };
4b7f4958 918 const struct da9062_regulator_info *rinfo;
4068e518 919 int irq, n, ret;
4b7f4958
ST		 920 int max_regulators;
921
922 switch (chip->chip_type) {
923 case COMPAT_TYPE_DA9061:
924 max_regulators = DA9061_MAX_REGULATORS;
925 rinfo = local_da9061_regulator_info;
926 break;
927 case COMPAT_TYPE_DA9062:
928 max_regulators = DA9062_MAX_REGULATORS;
929 rinfo = local_da9062_regulator_info;
930 break;
931 default:
932 dev_err(chip->dev, "Unrecognised chip type\n");
933 return -ENODEV;
934 }
4068e518
T		 935
936 /* Allocate memory required by usable regulators */
97b047e7
GS		 937 regulators = devm_kzalloc(&pdev->dev, struct_size(regulators, regulator,
938 max_regulators), GFP_KERNEL);
4068e518
T		 939 if (!regulators)
940 return -ENOMEM;
941
4b7f4958 942 regulators->n_regulators = max_regulators;
4068e518
T		 943 platform_set_drvdata(pdev, regulators);
944
945 n = 0;
946 while (n < regulators->n_regulators) {
947 /* Initialise regulator structure */
948 regl = &regulators->regulator[n];
949 regl->hw = chip;
4b7f4958 950 regl->info = &rinfo[n];
4068e518
T		 951 regl->desc = regl->info->desc;
952 regl->desc.type = REGULATOR_VOLTAGE;
953 regl->desc.owner = THIS_MODULE;
954
54129d64 955 if (regl->info->mode.reg) {
4068e518
T		 956 regl->mode = devm_regmap_field_alloc(
957 &pdev->dev,
958 chip->regmap,
959 regl->info->mode);
54129d64
AL		 960 if (IS_ERR(regl->mode))
961 return PTR_ERR(regl->mode);
962 }
963
964 if (regl->info->suspend.reg) {
4068e518
T		 965 regl->suspend = devm_regmap_field_alloc(
966 &pdev->dev,
967 chip->regmap,
968 regl->info->suspend);
54129d64
AL		 969 if (IS_ERR(regl->suspend))
970 return PTR_ERR(regl->suspend);
971 }
972
973 if (regl->info->sleep.reg) {
4068e518
T		 974 regl->sleep = devm_regmap_field_alloc(
975 &pdev->dev,
976 chip->regmap,
977 regl->info->sleep);
54129d64
AL		 978 if (IS_ERR(regl->sleep))
979 return PTR_ERR(regl->sleep);
980 }
981
982 if (regl->info->suspend_sleep.reg) {
4068e518
T		 983 regl->suspend_sleep = devm_regmap_field_alloc(
984 &pdev->dev,
985 chip->regmap,
986 regl->info->suspend_sleep);
54129d64
AL		 987 if (IS_ERR(regl->suspend_sleep))
988 return PTR_ERR(regl->suspend_sleep);
989 }
990
4068e518
T		 991 /* Register regulator */
992 memset(&config, 0, sizeof(config));
993 config.dev = chip->dev;
994 config.driver_data = regl;
995 config.regmap = chip->regmap;
996
997 regl->rdev = devm_regulator_register(&pdev->dev, &regl->desc,
998 &config);
999 if (IS_ERR(regl->rdev)) {
1000 dev_err(&pdev->dev,
1001 "Failed to register %s regulator\n",
1002 regl->desc.name);
1003 return PTR_ERR(regl->rdev);
1004 }
1005
1006 n++;
1007 }
1008
1009 /* LDOs overcurrent event support */
1010 irq = platform_get_irq_byname(pdev, "LDO_LIM");
47241933 1011 if (irq < 0)
4068e518 1012 return irq;
4068e518
T		 1013 regulators->irq_ldo_lim = irq;
1014
1015 ret = devm_request_threaded_irq(&pdev->dev, irq,
1016 NULL, da9062_ldo_lim_event,
1017 IRQF_TRIGGER_LOW | IRQF_ONESHOT,
1018 "LDO_LIM", regulators);
1019 if (ret) {
1020 dev_warn(&pdev->dev,
1021 "Failed to request LDO_LIM IRQ.\n");
1022 regulators->irq_ldo_lim = -ENXIO;
1023 }
1024
1025 return 0;
1026}
1027
1028static struct platform_driver da9062_regulator_driver = {
1029 .driver = {
1030 .name = "da9062-regulators",
4068e518
T		 1031 },
1032 .probe = da9062_regulator_probe,
1033};
1034
1035static int __init da9062_regulator_init(void)
1036{
1037 return platform_driver_register(&da9062_regulator_driver);
1038}
1039subsys_initcall(da9062_regulator_init);
1040
1041static void __exit da9062_regulator_cleanup(void)
1042{
1043 platform_driver_unregister(&da9062_regulator_driver);
1044}
1045module_exit(da9062_regulator_cleanup);
1046
1047/* Module information */
1048MODULE_AUTHOR("S Twiss <stwiss.opensource@diasemi.com>");
4b7f4958 1049MODULE_DESCRIPTION("REGULATOR device driver for Dialog DA9062 and DA9061");
4068e518 1050MODULE_LICENSE("GPL");
ea6254e5 1051MODULE_ALIAS("platform:da9062-regulators");
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