1 | // SPDX-License-Identifier: GPL-2.0+ |
2 | // |
3 | // Regulator device driver for DA9061 and DA9062. |
4 | // Copyright (C) 2015-2017 Dialog Semiconductor |
5 | |
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 | #include <dt-bindings/regulator/dlg,da9063-regulator.h> |
20 | |
21 | /* Regulator IDs */ |
22 | enum { |
23 | DA9061_ID_BUCK1, |
24 | DA9061_ID_BUCK2, |
25 | DA9061_ID_BUCK3, |
26 | DA9061_ID_LDO1, |
27 | DA9061_ID_LDO2, |
28 | DA9061_ID_LDO3, |
29 | DA9061_ID_LDO4, |
30 | DA9061_MAX_REGULATORS, |
31 | }; |
32 | |
33 | enum { |
34 | DA9062_ID_BUCK1, |
35 | DA9062_ID_BUCK2, |
36 | DA9062_ID_BUCK3, |
37 | DA9062_ID_BUCK4, |
38 | DA9062_ID_LDO1, |
39 | DA9062_ID_LDO2, |
40 | DA9062_ID_LDO3, |
41 | DA9062_ID_LDO4, |
42 | DA9062_MAX_REGULATORS, |
43 | }; |
44 | |
45 | /* Regulator capabilities and registers description */ |
46 | struct da9062_regulator_info { |
47 | struct regulator_desc desc; |
48 | /* Main register fields */ |
49 | struct reg_field mode; |
50 | struct reg_field suspend; |
51 | struct reg_field sleep; |
52 | struct reg_field suspend_sleep; |
53 | unsigned int suspend_vsel_reg; |
54 | /* Event detection bit */ |
55 | struct reg_field oc_event; |
56 | }; |
57 | |
58 | /* Single regulator settings */ |
59 | struct da9062_regulator { |
60 | struct regulator_desc desc; |
61 | struct regulator_dev *rdev; |
62 | struct da9062 *hw; |
63 | const struct da9062_regulator_info *info; |
64 | |
65 | struct regmap_field *mode; |
66 | struct regmap_field *suspend; |
67 | struct regmap_field *sleep; |
68 | struct regmap_field *suspend_sleep; |
69 | }; |
70 | |
71 | /* Encapsulates all information for the regulators driver */ |
72 | struct da9062_regulators { |
73 | int irq_ldo_lim; |
74 | unsigned n_regulators; |
75 | /* Array size to be defined during init. Keep at end. */ |
76 | struct da9062_regulator regulator[] __counted_by(n_regulators); |
77 | }; |
78 | |
79 | /* Regulator operations */ |
80 | |
81 | /* Current limits array (in uA) |
82 | * - DA9061_ID_[BUCK1|BUCK3] |
83 | * - DA9062_ID_[BUCK1|BUCK2|BUCK4] |
84 | * Entry indexes corresponds to register values. |
85 | */ |
86 | static const unsigned int da9062_buck_a_limits[] = { |
87 | 500000, 600000, 700000, 800000, 900000, 1000000, 1100000, 1200000, |
88 | 1300000, 1400000, 1500000, 1600000, 1700000, 1800000, 1900000, 2000000 |
89 | }; |
90 | |
91 | /* Current limits array (in uA) |
92 | * - DA9061_ID_BUCK2 |
93 | * - DA9062_ID_BUCK3 |
94 | * Entry indexes corresponds to register values. |
95 | */ |
96 | static const unsigned int da9062_buck_b_limits[] = { |
97 | 1500000, 1600000, 1700000, 1800000, 1900000, 2000000, 2100000, 2200000, |
98 | 2300000, 2400000, 2500000, 2600000, 2700000, 2800000, 2900000, 3000000 |
99 | }; |
100 | |
101 | static unsigned int da9062_map_buck_mode(unsigned int mode) |
102 | { |
103 | switch (mode) { |
104 | case DA9063_BUCK_MODE_SLEEP: |
105 | return REGULATOR_MODE_STANDBY; |
106 | case DA9063_BUCK_MODE_SYNC: |
107 | return REGULATOR_MODE_FAST; |
108 | case DA9063_BUCK_MODE_AUTO: |
109 | return REGULATOR_MODE_NORMAL; |
110 | default: |
111 | return REGULATOR_MODE_INVALID; |
112 | } |
113 | } |
114 | |
115 | static int da9062_buck_set_mode(struct regulator_dev *rdev, unsigned mode) |
116 | { |
117 | struct da9062_regulator *regl = rdev_get_drvdata(rdev); |
118 | unsigned val; |
119 | |
120 | switch (mode) { |
121 | case REGULATOR_MODE_FAST: |
122 | val = DA9063_BUCK_MODE_SYNC; |
123 | break; |
124 | case REGULATOR_MODE_NORMAL: |
125 | val = DA9063_BUCK_MODE_AUTO; |
126 | break; |
127 | case REGULATOR_MODE_STANDBY: |
128 | val = DA9063_BUCK_MODE_SLEEP; |
129 | break; |
130 | default: |
131 | return -EINVAL; |
132 | } |
133 | |
134 | return regmap_field_write(field: regl->mode, val); |
135 | } |
136 | |
137 | /* |
138 | * Bucks use single mode register field for normal operation |
139 | * and suspend state. |
140 | * There are 3 modes to map to: FAST, NORMAL, and STANDBY. |
141 | */ |
142 | |
143 | static unsigned da9062_buck_get_mode(struct regulator_dev *rdev) |
144 | { |
145 | struct da9062_regulator *regl = rdev_get_drvdata(rdev); |
146 | unsigned int val; |
147 | int ret; |
148 | |
149 | ret = regmap_field_read(field: regl->mode, val: &val); |
150 | if (ret < 0) |
151 | return ret; |
152 | |
153 | switch (val) { |
154 | default: |
155 | /* Sleep flag bit decides the mode */ |
156 | break; |
157 | case DA9063_BUCK_MODE_SLEEP: |
158 | return REGULATOR_MODE_STANDBY; |
159 | case DA9063_BUCK_MODE_SYNC: |
160 | return REGULATOR_MODE_FAST; |
161 | case DA9063_BUCK_MODE_AUTO: |
162 | return REGULATOR_MODE_NORMAL; |
163 | } |
164 | |
165 | ret = regmap_field_read(field: regl->sleep, val: &val); |
166 | if (ret < 0) |
167 | return 0; |
168 | |
169 | if (val) |
170 | return REGULATOR_MODE_STANDBY; |
171 | else |
172 | return REGULATOR_MODE_FAST; |
173 | } |
174 | |
175 | /* |
176 | * LDOs use sleep flags - one for normal and one for suspend state. |
177 | * There are 2 modes to map to: NORMAL and STANDBY (sleep) for each state. |
178 | */ |
179 | |
180 | static int da9062_ldo_set_mode(struct regulator_dev *rdev, unsigned mode) |
181 | { |
182 | struct da9062_regulator *regl = rdev_get_drvdata(rdev); |
183 | unsigned val; |
184 | |
185 | switch (mode) { |
186 | case REGULATOR_MODE_NORMAL: |
187 | val = 0; |
188 | break; |
189 | case REGULATOR_MODE_STANDBY: |
190 | val = 1; |
191 | break; |
192 | default: |
193 | return -EINVAL; |
194 | } |
195 | |
196 | return regmap_field_write(field: regl->sleep, val); |
197 | } |
198 | |
199 | static unsigned da9062_ldo_get_mode(struct regulator_dev *rdev) |
200 | { |
201 | struct da9062_regulator *regl = rdev_get_drvdata(rdev); |
202 | int ret, val; |
203 | |
204 | ret = regmap_field_read(field: regl->sleep, val: &val); |
205 | if (ret < 0) |
206 | return 0; |
207 | |
208 | if (val) |
209 | return REGULATOR_MODE_STANDBY; |
210 | else |
211 | return REGULATOR_MODE_NORMAL; |
212 | } |
213 | |
214 | static int da9062_buck_get_status(struct regulator_dev *rdev) |
215 | { |
216 | int ret = regulator_is_enabled_regmap(rdev); |
217 | |
218 | if (ret == 0) { |
219 | ret = REGULATOR_STATUS_OFF; |
220 | } else if (ret > 0) { |
221 | ret = da9062_buck_get_mode(rdev); |
222 | if (ret > 0) |
223 | ret = regulator_mode_to_status(ret); |
224 | else if (ret == 0) |
225 | ret = -EIO; |
226 | } |
227 | |
228 | return ret; |
229 | } |
230 | |
231 | static int da9062_ldo_get_status(struct regulator_dev *rdev) |
232 | { |
233 | int ret = regulator_is_enabled_regmap(rdev); |
234 | |
235 | if (ret == 0) { |
236 | ret = REGULATOR_STATUS_OFF; |
237 | } else if (ret > 0) { |
238 | ret = da9062_ldo_get_mode(rdev); |
239 | if (ret > 0) |
240 | ret = regulator_mode_to_status(ret); |
241 | else if (ret == 0) |
242 | ret = -EIO; |
243 | } |
244 | |
245 | return ret; |
246 | } |
247 | |
248 | static int da9062_set_suspend_voltage(struct regulator_dev *rdev, int uv) |
249 | { |
250 | struct da9062_regulator *regl = rdev_get_drvdata(rdev); |
251 | const struct da9062_regulator_info *rinfo = regl->info; |
252 | int ret, sel; |
253 | |
254 | sel = regulator_map_voltage_linear(rdev, min_uV: uv, max_uV: uv); |
255 | if (sel < 0) |
256 | return sel; |
257 | |
258 | sel <<= ffs(rdev->desc->vsel_mask) - 1; |
259 | |
260 | ret = regmap_update_bits(map: regl->hw->regmap, reg: rinfo->suspend_vsel_reg, |
261 | mask: rdev->desc->vsel_mask, val: sel); |
262 | |
263 | return ret; |
264 | } |
265 | |
266 | static int da9062_suspend_enable(struct regulator_dev *rdev) |
267 | { |
268 | struct da9062_regulator *regl = rdev_get_drvdata(rdev); |
269 | |
270 | return regmap_field_write(field: regl->suspend, val: 1); |
271 | } |
272 | |
273 | static int da9062_suspend_disable(struct regulator_dev *rdev) |
274 | { |
275 | struct da9062_regulator *regl = rdev_get_drvdata(rdev); |
276 | |
277 | return regmap_field_write(field: regl->suspend, val: 0); |
278 | } |
279 | |
280 | static int da9062_buck_set_suspend_mode(struct regulator_dev *rdev, |
281 | unsigned mode) |
282 | { |
283 | struct da9062_regulator *regl = rdev_get_drvdata(rdev); |
284 | int val; |
285 | |
286 | switch (mode) { |
287 | case REGULATOR_MODE_FAST: |
288 | val = DA9063_BUCK_MODE_SYNC; |
289 | break; |
290 | case REGULATOR_MODE_NORMAL: |
291 | val = DA9063_BUCK_MODE_AUTO; |
292 | break; |
293 | case REGULATOR_MODE_STANDBY: |
294 | val = DA9063_BUCK_MODE_SLEEP; |
295 | break; |
296 | default: |
297 | return -EINVAL; |
298 | } |
299 | |
300 | return regmap_field_write(field: regl->mode, val); |
301 | } |
302 | |
303 | static int da9062_ldo_set_suspend_mode(struct regulator_dev *rdev, |
304 | unsigned mode) |
305 | { |
306 | struct da9062_regulator *regl = rdev_get_drvdata(rdev); |
307 | unsigned val; |
308 | |
309 | switch (mode) { |
310 | case REGULATOR_MODE_NORMAL: |
311 | val = 0; |
312 | break; |
313 | case REGULATOR_MODE_STANDBY: |
314 | val = 1; |
315 | break; |
316 | default: |
317 | return -EINVAL; |
318 | } |
319 | |
320 | return regmap_field_write(field: regl->suspend_sleep, val); |
321 | } |
322 | |
323 | static const struct regulator_ops da9062_buck_ops = { |
324 | .enable = regulator_enable_regmap, |
325 | .disable = regulator_disable_regmap, |
326 | .is_enabled = regulator_is_enabled_regmap, |
327 | .get_voltage_sel = regulator_get_voltage_sel_regmap, |
328 | .set_voltage_sel = regulator_set_voltage_sel_regmap, |
329 | .list_voltage = regulator_list_voltage_linear, |
330 | .set_current_limit = regulator_set_current_limit_regmap, |
331 | .get_current_limit = regulator_get_current_limit_regmap, |
332 | .set_mode = da9062_buck_set_mode, |
333 | .get_mode = da9062_buck_get_mode, |
334 | .get_status = da9062_buck_get_status, |
335 | .set_suspend_voltage = da9062_set_suspend_voltage, |
336 | .set_suspend_enable = da9062_suspend_enable, |
337 | .set_suspend_disable = da9062_suspend_disable, |
338 | .set_suspend_mode = da9062_buck_set_suspend_mode, |
339 | }; |
340 | |
341 | static const struct regulator_ops da9062_ldo_ops = { |
342 | .enable = regulator_enable_regmap, |
343 | .disable = regulator_disable_regmap, |
344 | .is_enabled = regulator_is_enabled_regmap, |
345 | .get_voltage_sel = regulator_get_voltage_sel_regmap, |
346 | .set_voltage_sel = regulator_set_voltage_sel_regmap, |
347 | .list_voltage = regulator_list_voltage_linear, |
348 | .set_mode = da9062_ldo_set_mode, |
349 | .get_mode = da9062_ldo_get_mode, |
350 | .get_status = da9062_ldo_get_status, |
351 | .set_suspend_voltage = da9062_set_suspend_voltage, |
352 | .set_suspend_enable = da9062_suspend_enable, |
353 | .set_suspend_disable = da9062_suspend_disable, |
354 | .set_suspend_mode = da9062_ldo_set_suspend_mode, |
355 | }; |
356 | |
357 | /* DA9061 Regulator information */ |
358 | static const struct da9062_regulator_info local_da9061_regulator_info[] = { |
359 | { |
360 | .desc.id = DA9061_ID_BUCK1, |
361 | .desc.name = "DA9061 BUCK1" , |
362 | .desc.of_match = of_match_ptr("buck1" ), |
363 | .desc.regulators_node = of_match_ptr("regulators" ), |
364 | .desc.ops = &da9062_buck_ops, |
365 | .desc.min_uV = (300) * 1000, |
366 | .desc.uV_step = (10) * 1000, |
367 | .desc.n_voltages = ((1570) - (300))/(10) + 1, |
368 | .desc.curr_table = da9062_buck_a_limits, |
369 | .desc.n_current_limits = ARRAY_SIZE(da9062_buck_a_limits), |
370 | .desc.csel_reg = DA9062AA_BUCK_ILIM_C, |
371 | .desc.csel_mask = DA9062AA_BUCK1_ILIM_MASK, |
372 | .desc.enable_reg = DA9062AA_BUCK1_CONT, |
373 | .desc.enable_mask = DA9062AA_BUCK1_EN_MASK, |
374 | .desc.vsel_reg = DA9062AA_VBUCK1_A, |
375 | .desc.vsel_mask = DA9062AA_VBUCK1_A_MASK, |
376 | .desc.linear_min_sel = 0, |
377 | .desc.of_map_mode = da9062_map_buck_mode, |
378 | .sleep = REG_FIELD(DA9062AA_VBUCK1_A, |
379 | __builtin_ffs((int)DA9062AA_BUCK1_SL_A_MASK) - 1, |
380 | sizeof(unsigned int) * 8 - |
381 | __builtin_clz((DA9062AA_BUCK1_SL_A_MASK)) - 1), |
382 | .suspend_sleep = REG_FIELD(DA9062AA_VBUCK1_B, |
383 | __builtin_ffs((int)DA9062AA_BUCK1_SL_B_MASK) - 1, |
384 | sizeof(unsigned int) * 8 - |
385 | __builtin_clz((DA9062AA_BUCK1_SL_B_MASK)) - 1), |
386 | .suspend_vsel_reg = DA9062AA_VBUCK1_B, |
387 | .mode = REG_FIELD(DA9062AA_BUCK1_CFG, |
388 | __builtin_ffs((int)DA9062AA_BUCK1_MODE_MASK) - 1, |
389 | sizeof(unsigned int) * 8 - |
390 | __builtin_clz((DA9062AA_BUCK1_MODE_MASK)) - 1), |
391 | .suspend = REG_FIELD(DA9062AA_BUCK1_CONT, |
392 | __builtin_ffs((int)DA9062AA_BUCK1_CONF_MASK) - 1, |
393 | sizeof(unsigned int) * 8 - |
394 | __builtin_clz(DA9062AA_BUCK1_CONF_MASK) - 1), |
395 | }, |
396 | { |
397 | .desc.id = DA9061_ID_BUCK2, |
398 | .desc.name = "DA9061 BUCK2" , |
399 | .desc.of_match = of_match_ptr("buck2" ), |
400 | .desc.regulators_node = of_match_ptr("regulators" ), |
401 | .desc.ops = &da9062_buck_ops, |
402 | .desc.min_uV = (800) * 1000, |
403 | .desc.uV_step = (20) * 1000, |
404 | .desc.n_voltages = ((3340) - (800))/(20) + 1, |
405 | .desc.curr_table = da9062_buck_b_limits, |
406 | .desc.n_current_limits = ARRAY_SIZE(da9062_buck_b_limits), |
407 | .desc.csel_reg = DA9062AA_BUCK_ILIM_A, |
408 | .desc.csel_mask = DA9062AA_BUCK3_ILIM_MASK, |
409 | .desc.enable_reg = DA9062AA_BUCK3_CONT, |
410 | .desc.enable_mask = DA9062AA_BUCK3_EN_MASK, |
411 | .desc.vsel_reg = DA9062AA_VBUCK3_A, |
412 | .desc.vsel_mask = DA9062AA_VBUCK3_A_MASK, |
413 | .desc.linear_min_sel = 0, |
414 | .desc.of_map_mode = da9062_map_buck_mode, |
415 | .sleep = REG_FIELD(DA9062AA_VBUCK3_A, |
416 | __builtin_ffs((int)DA9062AA_BUCK3_SL_A_MASK) - 1, |
417 | sizeof(unsigned int) * 8 - |
418 | __builtin_clz((DA9062AA_BUCK3_SL_A_MASK)) - 1), |
419 | .suspend_sleep = REG_FIELD(DA9062AA_VBUCK3_B, |
420 | __builtin_ffs((int)DA9062AA_BUCK3_SL_B_MASK) - 1, |
421 | sizeof(unsigned int) * 8 - |
422 | __builtin_clz((DA9062AA_BUCK3_SL_B_MASK)) - 1), |
423 | .suspend_vsel_reg = DA9062AA_VBUCK3_B, |
424 | .mode = REG_FIELD(DA9062AA_BUCK3_CFG, |
425 | __builtin_ffs((int)DA9062AA_BUCK3_MODE_MASK) - 1, |
426 | sizeof(unsigned int) * 8 - |
427 | __builtin_clz((DA9062AA_BUCK3_MODE_MASK)) - 1), |
428 | .suspend = REG_FIELD(DA9062AA_BUCK3_CONT, |
429 | __builtin_ffs((int)DA9062AA_BUCK3_CONF_MASK) - 1, |
430 | sizeof(unsigned int) * 8 - |
431 | __builtin_clz(DA9062AA_BUCK3_CONF_MASK) - 1), |
432 | }, |
433 | { |
434 | .desc.id = DA9061_ID_BUCK3, |
435 | .desc.name = "DA9061 BUCK3" , |
436 | .desc.of_match = of_match_ptr("buck3" ), |
437 | .desc.regulators_node = of_match_ptr("regulators" ), |
438 | .desc.ops = &da9062_buck_ops, |
439 | .desc.min_uV = (530) * 1000, |
440 | .desc.uV_step = (10) * 1000, |
441 | .desc.n_voltages = ((1800) - (530))/(10) + 1, |
442 | .desc.curr_table = da9062_buck_a_limits, |
443 | .desc.n_current_limits = ARRAY_SIZE(da9062_buck_a_limits), |
444 | .desc.csel_reg = DA9062AA_BUCK_ILIM_B, |
445 | .desc.csel_mask = DA9062AA_BUCK4_ILIM_MASK, |
446 | .desc.enable_reg = DA9062AA_BUCK4_CONT, |
447 | .desc.enable_mask = DA9062AA_BUCK4_EN_MASK, |
448 | .desc.vsel_reg = DA9062AA_VBUCK4_A, |
449 | .desc.vsel_mask = DA9062AA_VBUCK4_A_MASK, |
450 | .desc.linear_min_sel = 0, |
451 | .desc.of_map_mode = da9062_map_buck_mode, |
452 | .sleep = REG_FIELD(DA9062AA_VBUCK4_A, |
453 | __builtin_ffs((int)DA9062AA_BUCK4_SL_A_MASK) - 1, |
454 | sizeof(unsigned int) * 8 - |
455 | __builtin_clz((DA9062AA_BUCK4_SL_A_MASK)) - 1), |
456 | .suspend_sleep = REG_FIELD(DA9062AA_VBUCK4_B, |
457 | __builtin_ffs((int)DA9062AA_BUCK4_SL_B_MASK) - 1, |
458 | sizeof(unsigned int) * 8 - |
459 | __builtin_clz((DA9062AA_BUCK4_SL_B_MASK)) - 1), |
460 | .suspend_vsel_reg = DA9062AA_VBUCK4_B, |
461 | .mode = REG_FIELD(DA9062AA_BUCK4_CFG, |
462 | __builtin_ffs((int)DA9062AA_BUCK4_MODE_MASK) - 1, |
463 | sizeof(unsigned int) * 8 - |
464 | __builtin_clz((DA9062AA_BUCK4_MODE_MASK)) - 1), |
465 | .suspend = REG_FIELD(DA9062AA_BUCK4_CONT, |
466 | __builtin_ffs((int)DA9062AA_BUCK4_CONF_MASK) - 1, |
467 | sizeof(unsigned int) * 8 - |
468 | __builtin_clz(DA9062AA_BUCK4_CONF_MASK) - 1), |
469 | }, |
470 | { |
471 | .desc.id = DA9061_ID_LDO1, |
472 | .desc.name = "DA9061 LDO1" , |
473 | .desc.of_match = of_match_ptr("ldo1" ), |
474 | .desc.regulators_node = of_match_ptr("regulators" ), |
475 | .desc.ops = &da9062_ldo_ops, |
476 | .desc.min_uV = (900) * 1000, |
477 | .desc.uV_step = (50) * 1000, |
478 | .desc.n_voltages = ((3600) - (900))/(50) + 1 |
479 | + DA9062AA_VLDO_A_MIN_SEL, |
480 | .desc.enable_reg = DA9062AA_LDO1_CONT, |
481 | .desc.enable_mask = DA9062AA_LDO1_EN_MASK, |
482 | .desc.vsel_reg = DA9062AA_VLDO1_A, |
483 | .desc.vsel_mask = DA9062AA_VLDO1_A_MASK, |
484 | .desc.linear_min_sel = DA9062AA_VLDO_A_MIN_SEL, |
485 | .sleep = REG_FIELD(DA9062AA_VLDO1_A, |
486 | __builtin_ffs((int)DA9062AA_LDO1_SL_A_MASK) - 1, |
487 | sizeof(unsigned int) * 8 - |
488 | __builtin_clz((DA9062AA_LDO1_SL_A_MASK)) - 1), |
489 | .suspend_sleep = REG_FIELD(DA9062AA_VLDO1_B, |
490 | __builtin_ffs((int)DA9062AA_LDO1_SL_B_MASK) - 1, |
491 | sizeof(unsigned int) * 8 - |
492 | __builtin_clz((DA9062AA_LDO1_SL_B_MASK)) - 1), |
493 | .suspend_vsel_reg = DA9062AA_VLDO1_B, |
494 | .suspend = REG_FIELD(DA9062AA_LDO1_CONT, |
495 | __builtin_ffs((int)DA9062AA_LDO1_CONF_MASK) - 1, |
496 | sizeof(unsigned int) * 8 - |
497 | __builtin_clz(DA9062AA_LDO1_CONF_MASK) - 1), |
498 | .oc_event = REG_FIELD(DA9062AA_STATUS_D, |
499 | __builtin_ffs((int)DA9062AA_LDO1_ILIM_MASK) - 1, |
500 | sizeof(unsigned int) * 8 - |
501 | __builtin_clz((DA9062AA_LDO1_ILIM_MASK)) - 1), |
502 | }, |
503 | { |
504 | .desc.id = DA9061_ID_LDO2, |
505 | .desc.name = "DA9061 LDO2" , |
506 | .desc.of_match = of_match_ptr("ldo2" ), |
507 | .desc.regulators_node = of_match_ptr("regulators" ), |
508 | .desc.ops = &da9062_ldo_ops, |
509 | .desc.min_uV = (900) * 1000, |
510 | .desc.uV_step = (50) * 1000, |
511 | .desc.n_voltages = ((3600) - (900))/(50) + 1 |
512 | + DA9062AA_VLDO_A_MIN_SEL, |
513 | .desc.enable_reg = DA9062AA_LDO2_CONT, |
514 | .desc.enable_mask = DA9062AA_LDO2_EN_MASK, |
515 | .desc.vsel_reg = DA9062AA_VLDO2_A, |
516 | .desc.vsel_mask = DA9062AA_VLDO2_A_MASK, |
517 | .desc.linear_min_sel = DA9062AA_VLDO_A_MIN_SEL, |
518 | .sleep = REG_FIELD(DA9062AA_VLDO2_A, |
519 | __builtin_ffs((int)DA9062AA_LDO2_SL_A_MASK) - 1, |
520 | sizeof(unsigned int) * 8 - |
521 | __builtin_clz((DA9062AA_LDO2_SL_A_MASK)) - 1), |
522 | .suspend_sleep = REG_FIELD(DA9062AA_VLDO2_B, |
523 | __builtin_ffs((int)DA9062AA_LDO2_SL_B_MASK) - 1, |
524 | sizeof(unsigned int) * 8 - |
525 | __builtin_clz((DA9062AA_LDO2_SL_B_MASK)) - 1), |
526 | .suspend_vsel_reg = DA9062AA_VLDO2_B, |
527 | .suspend = REG_FIELD(DA9062AA_LDO2_CONT, |
528 | __builtin_ffs((int)DA9062AA_LDO2_CONF_MASK) - 1, |
529 | sizeof(unsigned int) * 8 - |
530 | __builtin_clz(DA9062AA_LDO2_CONF_MASK) - 1), |
531 | .oc_event = REG_FIELD(DA9062AA_STATUS_D, |
532 | __builtin_ffs((int)DA9062AA_LDO2_ILIM_MASK) - 1, |
533 | sizeof(unsigned int) * 8 - |
534 | __builtin_clz((DA9062AA_LDO2_ILIM_MASK)) - 1), |
535 | }, |
536 | { |
537 | .desc.id = DA9061_ID_LDO3, |
538 | .desc.name = "DA9061 LDO3" , |
539 | .desc.of_match = of_match_ptr("ldo3" ), |
540 | .desc.regulators_node = of_match_ptr("regulators" ), |
541 | .desc.ops = &da9062_ldo_ops, |
542 | .desc.min_uV = (900) * 1000, |
543 | .desc.uV_step = (50) * 1000, |
544 | .desc.n_voltages = ((3600) - (900))/(50) + 1 |
545 | + DA9062AA_VLDO_A_MIN_SEL, |
546 | .desc.enable_reg = DA9062AA_LDO3_CONT, |
547 | .desc.enable_mask = DA9062AA_LDO3_EN_MASK, |
548 | .desc.vsel_reg = DA9062AA_VLDO3_A, |
549 | .desc.vsel_mask = DA9062AA_VLDO3_A_MASK, |
550 | .desc.linear_min_sel = DA9062AA_VLDO_A_MIN_SEL, |
551 | .sleep = REG_FIELD(DA9062AA_VLDO3_A, |
552 | __builtin_ffs((int)DA9062AA_LDO3_SL_A_MASK) - 1, |
553 | sizeof(unsigned int) * 8 - |
554 | __builtin_clz((DA9062AA_LDO3_SL_A_MASK)) - 1), |
555 | .suspend_sleep = REG_FIELD(DA9062AA_VLDO3_B, |
556 | __builtin_ffs((int)DA9062AA_LDO3_SL_B_MASK) - 1, |
557 | sizeof(unsigned int) * 8 - |
558 | __builtin_clz((DA9062AA_LDO3_SL_B_MASK)) - 1), |
559 | .suspend_vsel_reg = DA9062AA_VLDO3_B, |
560 | .suspend = REG_FIELD(DA9062AA_LDO3_CONT, |
561 | __builtin_ffs((int)DA9062AA_LDO3_CONF_MASK) - 1, |
562 | sizeof(unsigned int) * 8 - |
563 | __builtin_clz(DA9062AA_LDO3_CONF_MASK) - 1), |
564 | .oc_event = REG_FIELD(DA9062AA_STATUS_D, |
565 | __builtin_ffs((int)DA9062AA_LDO3_ILIM_MASK) - 1, |
566 | sizeof(unsigned int) * 8 - |
567 | __builtin_clz((DA9062AA_LDO3_ILIM_MASK)) - 1), |
568 | }, |
569 | { |
570 | .desc.id = DA9061_ID_LDO4, |
571 | .desc.name = "DA9061 LDO4" , |
572 | .desc.of_match = of_match_ptr("ldo4" ), |
573 | .desc.regulators_node = of_match_ptr("regulators" ), |
574 | .desc.ops = &da9062_ldo_ops, |
575 | .desc.min_uV = (900) * 1000, |
576 | .desc.uV_step = (50) * 1000, |
577 | .desc.n_voltages = ((3600) - (900))/(50) + 1 |
578 | + DA9062AA_VLDO_A_MIN_SEL, |
579 | .desc.enable_reg = DA9062AA_LDO4_CONT, |
580 | .desc.enable_mask = DA9062AA_LDO4_EN_MASK, |
581 | .desc.vsel_reg = DA9062AA_VLDO4_A, |
582 | .desc.vsel_mask = DA9062AA_VLDO4_A_MASK, |
583 | .desc.linear_min_sel = DA9062AA_VLDO_A_MIN_SEL, |
584 | .sleep = REG_FIELD(DA9062AA_VLDO4_A, |
585 | __builtin_ffs((int)DA9062AA_LDO4_SL_A_MASK) - 1, |
586 | sizeof(unsigned int) * 8 - |
587 | __builtin_clz((DA9062AA_LDO4_SL_A_MASK)) - 1), |
588 | .suspend_sleep = REG_FIELD(DA9062AA_VLDO4_B, |
589 | __builtin_ffs((int)DA9062AA_LDO4_SL_B_MASK) - 1, |
590 | sizeof(unsigned int) * 8 - |
591 | __builtin_clz((DA9062AA_LDO4_SL_B_MASK)) - 1), |
592 | .suspend_vsel_reg = DA9062AA_VLDO4_B, |
593 | .suspend = REG_FIELD(DA9062AA_LDO4_CONT, |
594 | __builtin_ffs((int)DA9062AA_LDO4_CONF_MASK) - 1, |
595 | sizeof(unsigned int) * 8 - |
596 | __builtin_clz(DA9062AA_LDO4_CONF_MASK) - 1), |
597 | .oc_event = REG_FIELD(DA9062AA_STATUS_D, |
598 | __builtin_ffs((int)DA9062AA_LDO4_ILIM_MASK) - 1, |
599 | sizeof(unsigned int) * 8 - |
600 | __builtin_clz((DA9062AA_LDO4_ILIM_MASK)) - 1), |
601 | }, |
602 | }; |
603 | |
604 | /* DA9062 Regulator information */ |
605 | static const struct da9062_regulator_info local_da9062_regulator_info[] = { |
606 | { |
607 | .desc.id = DA9062_ID_BUCK1, |
608 | .desc.name = "DA9062 BUCK1" , |
609 | .desc.of_match = of_match_ptr("buck1" ), |
610 | .desc.regulators_node = of_match_ptr("regulators" ), |
611 | .desc.ops = &da9062_buck_ops, |
612 | .desc.min_uV = (300) * 1000, |
613 | .desc.uV_step = (10) * 1000, |
614 | .desc.n_voltages = ((1570) - (300))/(10) + 1, |
615 | .desc.curr_table = da9062_buck_a_limits, |
616 | .desc.n_current_limits = ARRAY_SIZE(da9062_buck_a_limits), |
617 | .desc.csel_reg = DA9062AA_BUCK_ILIM_C, |
618 | .desc.csel_mask = DA9062AA_BUCK1_ILIM_MASK, |
619 | .desc.enable_reg = DA9062AA_BUCK1_CONT, |
620 | .desc.enable_mask = DA9062AA_BUCK1_EN_MASK, |
621 | .desc.vsel_reg = DA9062AA_VBUCK1_A, |
622 | .desc.vsel_mask = DA9062AA_VBUCK1_A_MASK, |
623 | .desc.linear_min_sel = 0, |
624 | .desc.of_map_mode = da9062_map_buck_mode, |
625 | .sleep = REG_FIELD(DA9062AA_VBUCK1_A, |
626 | __builtin_ffs((int)DA9062AA_BUCK1_SL_A_MASK) - 1, |
627 | sizeof(unsigned int) * 8 - |
628 | __builtin_clz((DA9062AA_BUCK1_SL_A_MASK)) - 1), |
629 | .suspend_sleep = REG_FIELD(DA9062AA_VBUCK1_B, |
630 | __builtin_ffs((int)DA9062AA_BUCK1_SL_B_MASK) - 1, |
631 | sizeof(unsigned int) * 8 - |
632 | __builtin_clz((DA9062AA_BUCK1_SL_B_MASK)) - 1), |
633 | .suspend_vsel_reg = DA9062AA_VBUCK1_B, |
634 | .mode = REG_FIELD(DA9062AA_BUCK1_CFG, |
635 | __builtin_ffs((int)DA9062AA_BUCK1_MODE_MASK) - 1, |
636 | sizeof(unsigned int) * 8 - |
637 | __builtin_clz((DA9062AA_BUCK1_MODE_MASK)) - 1), |
638 | .suspend = REG_FIELD(DA9062AA_BUCK1_CONT, |
639 | __builtin_ffs((int)DA9062AA_BUCK1_CONF_MASK) - 1, |
640 | sizeof(unsigned int) * 8 - |
641 | __builtin_clz(DA9062AA_BUCK1_CONF_MASK) - 1), |
642 | }, |
643 | { |
644 | .desc.id = DA9062_ID_BUCK2, |
645 | .desc.name = "DA9062 BUCK2" , |
646 | .desc.of_match = of_match_ptr("buck2" ), |
647 | .desc.regulators_node = of_match_ptr("regulators" ), |
648 | .desc.ops = &da9062_buck_ops, |
649 | .desc.min_uV = (300) * 1000, |
650 | .desc.uV_step = (10) * 1000, |
651 | .desc.n_voltages = ((1570) - (300))/(10) + 1, |
652 | .desc.curr_table = da9062_buck_a_limits, |
653 | .desc.n_current_limits = ARRAY_SIZE(da9062_buck_a_limits), |
654 | .desc.csel_reg = DA9062AA_BUCK_ILIM_C, |
655 | .desc.csel_mask = DA9062AA_BUCK2_ILIM_MASK, |
656 | .desc.enable_reg = DA9062AA_BUCK2_CONT, |
657 | .desc.enable_mask = DA9062AA_BUCK2_EN_MASK, |
658 | .desc.vsel_reg = DA9062AA_VBUCK2_A, |
659 | .desc.vsel_mask = DA9062AA_VBUCK2_A_MASK, |
660 | .desc.linear_min_sel = 0, |
661 | .desc.of_map_mode = da9062_map_buck_mode, |
662 | .sleep = REG_FIELD(DA9062AA_VBUCK2_A, |
663 | __builtin_ffs((int)DA9062AA_BUCK2_SL_A_MASK) - 1, |
664 | sizeof(unsigned int) * 8 - |
665 | __builtin_clz((DA9062AA_BUCK2_SL_A_MASK)) - 1), |
666 | .suspend_sleep = REG_FIELD(DA9062AA_VBUCK2_B, |
667 | __builtin_ffs((int)DA9062AA_BUCK2_SL_B_MASK) - 1, |
668 | sizeof(unsigned int) * 8 - |
669 | __builtin_clz((DA9062AA_BUCK2_SL_B_MASK)) - 1), |
670 | .suspend_vsel_reg = DA9062AA_VBUCK2_B, |
671 | .mode = REG_FIELD(DA9062AA_BUCK2_CFG, |
672 | __builtin_ffs((int)DA9062AA_BUCK2_MODE_MASK) - 1, |
673 | sizeof(unsigned int) * 8 - |
674 | __builtin_clz((DA9062AA_BUCK2_MODE_MASK)) - 1), |
675 | .suspend = REG_FIELD(DA9062AA_BUCK2_CONT, |
676 | __builtin_ffs((int)DA9062AA_BUCK2_CONF_MASK) - 1, |
677 | sizeof(unsigned int) * 8 - |
678 | __builtin_clz(DA9062AA_BUCK2_CONF_MASK) - 1), |
679 | }, |
680 | { |
681 | .desc.id = DA9062_ID_BUCK3, |
682 | .desc.name = "DA9062 BUCK3" , |
683 | .desc.of_match = of_match_ptr("buck3" ), |
684 | .desc.regulators_node = of_match_ptr("regulators" ), |
685 | .desc.ops = &da9062_buck_ops, |
686 | .desc.min_uV = (800) * 1000, |
687 | .desc.uV_step = (20) * 1000, |
688 | .desc.n_voltages = ((3340) - (800))/(20) + 1, |
689 | .desc.curr_table = da9062_buck_b_limits, |
690 | .desc.n_current_limits = ARRAY_SIZE(da9062_buck_b_limits), |
691 | .desc.csel_reg = DA9062AA_BUCK_ILIM_A, |
692 | .desc.csel_mask = DA9062AA_BUCK3_ILIM_MASK, |
693 | .desc.enable_reg = DA9062AA_BUCK3_CONT, |
694 | .desc.enable_mask = DA9062AA_BUCK3_EN_MASK, |
695 | .desc.vsel_reg = DA9062AA_VBUCK3_A, |
696 | .desc.vsel_mask = DA9062AA_VBUCK3_A_MASK, |
697 | .desc.linear_min_sel = 0, |
698 | .desc.of_map_mode = da9062_map_buck_mode, |
699 | .sleep = REG_FIELD(DA9062AA_VBUCK3_A, |
700 | __builtin_ffs((int)DA9062AA_BUCK3_SL_A_MASK) - 1, |
701 | sizeof(unsigned int) * 8 - |
702 | __builtin_clz((DA9062AA_BUCK3_SL_A_MASK)) - 1), |
703 | .suspend_sleep = REG_FIELD(DA9062AA_VBUCK3_B, |
704 | __builtin_ffs((int)DA9062AA_BUCK3_SL_B_MASK) - 1, |
705 | sizeof(unsigned int) * 8 - |
706 | __builtin_clz((DA9062AA_BUCK3_SL_B_MASK)) - 1), |
707 | .suspend_vsel_reg = DA9062AA_VBUCK3_B, |
708 | .mode = REG_FIELD(DA9062AA_BUCK3_CFG, |
709 | __builtin_ffs((int)DA9062AA_BUCK3_MODE_MASK) - 1, |
710 | sizeof(unsigned int) * 8 - |
711 | __builtin_clz((DA9062AA_BUCK3_MODE_MASK)) - 1), |
712 | .suspend = REG_FIELD(DA9062AA_BUCK3_CONT, |
713 | __builtin_ffs((int)DA9062AA_BUCK3_CONF_MASK) - 1, |
714 | sizeof(unsigned int) * 8 - |
715 | __builtin_clz(DA9062AA_BUCK3_CONF_MASK) - 1), |
716 | }, |
717 | { |
718 | .desc.id = DA9062_ID_BUCK4, |
719 | .desc.name = "DA9062 BUCK4" , |
720 | .desc.of_match = of_match_ptr("buck4" ), |
721 | .desc.regulators_node = of_match_ptr("regulators" ), |
722 | .desc.ops = &da9062_buck_ops, |
723 | .desc.min_uV = (530) * 1000, |
724 | .desc.uV_step = (10) * 1000, |
725 | .desc.n_voltages = ((1800) - (530))/(10) + 1, |
726 | .desc.curr_table = da9062_buck_a_limits, |
727 | .desc.n_current_limits = ARRAY_SIZE(da9062_buck_a_limits), |
728 | .desc.csel_reg = DA9062AA_BUCK_ILIM_B, |
729 | .desc.csel_mask = DA9062AA_BUCK4_ILIM_MASK, |
730 | .desc.enable_reg = DA9062AA_BUCK4_CONT, |
731 | .desc.enable_mask = DA9062AA_BUCK4_EN_MASK, |
732 | .desc.vsel_reg = DA9062AA_VBUCK4_A, |
733 | .desc.vsel_mask = DA9062AA_VBUCK4_A_MASK, |
734 | .desc.linear_min_sel = 0, |
735 | .desc.of_map_mode = da9062_map_buck_mode, |
736 | .sleep = REG_FIELD(DA9062AA_VBUCK4_A, |
737 | __builtin_ffs((int)DA9062AA_BUCK4_SL_A_MASK) - 1, |
738 | sizeof(unsigned int) * 8 - |
739 | __builtin_clz((DA9062AA_BUCK4_SL_A_MASK)) - 1), |
740 | .suspend_sleep = REG_FIELD(DA9062AA_VBUCK4_B, |
741 | __builtin_ffs((int)DA9062AA_BUCK4_SL_B_MASK) - 1, |
742 | sizeof(unsigned int) * 8 - |
743 | __builtin_clz((DA9062AA_BUCK4_SL_B_MASK)) - 1), |
744 | .suspend_vsel_reg = DA9062AA_VBUCK4_B, |
745 | .mode = REG_FIELD(DA9062AA_BUCK4_CFG, |
746 | __builtin_ffs((int)DA9062AA_BUCK4_MODE_MASK) - 1, |
747 | sizeof(unsigned int) * 8 - |
748 | __builtin_clz((DA9062AA_BUCK4_MODE_MASK)) - 1), |
749 | .suspend = REG_FIELD(DA9062AA_BUCK4_CONT, |
750 | __builtin_ffs((int)DA9062AA_BUCK4_CONF_MASK) - 1, |
751 | sizeof(unsigned int) * 8 - |
752 | __builtin_clz(DA9062AA_BUCK4_CONF_MASK) - 1), |
753 | }, |
754 | { |
755 | .desc.id = DA9062_ID_LDO1, |
756 | .desc.name = "DA9062 LDO1" , |
757 | .desc.of_match = of_match_ptr("ldo1" ), |
758 | .desc.regulators_node = of_match_ptr("regulators" ), |
759 | .desc.ops = &da9062_ldo_ops, |
760 | .desc.min_uV = (900) * 1000, |
761 | .desc.uV_step = (50) * 1000, |
762 | .desc.n_voltages = ((3600) - (900))/(50) + 1 |
763 | + DA9062AA_VLDO_A_MIN_SEL, |
764 | .desc.enable_reg = DA9062AA_LDO1_CONT, |
765 | .desc.enable_mask = DA9062AA_LDO1_EN_MASK, |
766 | .desc.vsel_reg = DA9062AA_VLDO1_A, |
767 | .desc.vsel_mask = DA9062AA_VLDO1_A_MASK, |
768 | .desc.linear_min_sel = DA9062AA_VLDO_A_MIN_SEL, |
769 | .sleep = REG_FIELD(DA9062AA_VLDO1_A, |
770 | __builtin_ffs((int)DA9062AA_LDO1_SL_A_MASK) - 1, |
771 | sizeof(unsigned int) * 8 - |
772 | __builtin_clz((DA9062AA_LDO1_SL_A_MASK)) - 1), |
773 | .suspend_sleep = REG_FIELD(DA9062AA_VLDO1_B, |
774 | __builtin_ffs((int)DA9062AA_LDO1_SL_B_MASK) - 1, |
775 | sizeof(unsigned int) * 8 - |
776 | __builtin_clz((DA9062AA_LDO1_SL_B_MASK)) - 1), |
777 | .suspend_vsel_reg = DA9062AA_VLDO1_B, |
778 | .suspend = REG_FIELD(DA9062AA_LDO1_CONT, |
779 | __builtin_ffs((int)DA9062AA_LDO1_CONF_MASK) - 1, |
780 | sizeof(unsigned int) * 8 - |
781 | __builtin_clz(DA9062AA_LDO1_CONF_MASK) - 1), |
782 | .oc_event = REG_FIELD(DA9062AA_STATUS_D, |
783 | __builtin_ffs((int)DA9062AA_LDO1_ILIM_MASK) - 1, |
784 | sizeof(unsigned int) * 8 - |
785 | __builtin_clz((DA9062AA_LDO1_ILIM_MASK)) - 1), |
786 | }, |
787 | { |
788 | .desc.id = DA9062_ID_LDO2, |
789 | .desc.name = "DA9062 LDO2" , |
790 | .desc.of_match = of_match_ptr("ldo2" ), |
791 | .desc.regulators_node = of_match_ptr("regulators" ), |
792 | .desc.ops = &da9062_ldo_ops, |
793 | .desc.min_uV = (900) * 1000, |
794 | .desc.uV_step = (50) * 1000, |
795 | .desc.n_voltages = ((3600) - (900))/(50) + 1 |
796 | + DA9062AA_VLDO_A_MIN_SEL, |
797 | .desc.enable_reg = DA9062AA_LDO2_CONT, |
798 | .desc.enable_mask = DA9062AA_LDO2_EN_MASK, |
799 | .desc.vsel_reg = DA9062AA_VLDO2_A, |
800 | .desc.vsel_mask = DA9062AA_VLDO2_A_MASK, |
801 | .desc.linear_min_sel = DA9062AA_VLDO_A_MIN_SEL, |
802 | .sleep = REG_FIELD(DA9062AA_VLDO2_A, |
803 | __builtin_ffs((int)DA9062AA_LDO2_SL_A_MASK) - 1, |
804 | sizeof(unsigned int) * 8 - |
805 | __builtin_clz((DA9062AA_LDO2_SL_A_MASK)) - 1), |
806 | .suspend_sleep = REG_FIELD(DA9062AA_VLDO2_B, |
807 | __builtin_ffs((int)DA9062AA_LDO2_SL_B_MASK) - 1, |
808 | sizeof(unsigned int) * 8 - |
809 | __builtin_clz((DA9062AA_LDO2_SL_B_MASK)) - 1), |
810 | .suspend_vsel_reg = DA9062AA_VLDO2_B, |
811 | .suspend = REG_FIELD(DA9062AA_LDO2_CONT, |
812 | __builtin_ffs((int)DA9062AA_LDO2_CONF_MASK) - 1, |
813 | sizeof(unsigned int) * 8 - |
814 | __builtin_clz(DA9062AA_LDO2_CONF_MASK) - 1), |
815 | .oc_event = REG_FIELD(DA9062AA_STATUS_D, |
816 | __builtin_ffs((int)DA9062AA_LDO2_ILIM_MASK) - 1, |
817 | sizeof(unsigned int) * 8 - |
818 | __builtin_clz((DA9062AA_LDO2_ILIM_MASK)) - 1), |
819 | }, |
820 | { |
821 | .desc.id = DA9062_ID_LDO3, |
822 | .desc.name = "DA9062 LDO3" , |
823 | .desc.of_match = of_match_ptr("ldo3" ), |
824 | .desc.regulators_node = of_match_ptr("regulators" ), |
825 | .desc.ops = &da9062_ldo_ops, |
826 | .desc.min_uV = (900) * 1000, |
827 | .desc.uV_step = (50) * 1000, |
828 | .desc.n_voltages = ((3600) - (900))/(50) + 1 |
829 | + DA9062AA_VLDO_A_MIN_SEL, |
830 | .desc.enable_reg = DA9062AA_LDO3_CONT, |
831 | .desc.enable_mask = DA9062AA_LDO3_EN_MASK, |
832 | .desc.vsel_reg = DA9062AA_VLDO3_A, |
833 | .desc.vsel_mask = DA9062AA_VLDO3_A_MASK, |
834 | .desc.linear_min_sel = DA9062AA_VLDO_A_MIN_SEL, |
835 | .sleep = REG_FIELD(DA9062AA_VLDO3_A, |
836 | __builtin_ffs((int)DA9062AA_LDO3_SL_A_MASK) - 1, |
837 | sizeof(unsigned int) * 8 - |
838 | __builtin_clz((DA9062AA_LDO3_SL_A_MASK)) - 1), |
839 | .suspend_sleep = REG_FIELD(DA9062AA_VLDO3_B, |
840 | __builtin_ffs((int)DA9062AA_LDO3_SL_B_MASK) - 1, |
841 | sizeof(unsigned int) * 8 - |
842 | __builtin_clz((DA9062AA_LDO3_SL_B_MASK)) - 1), |
843 | .suspend_vsel_reg = DA9062AA_VLDO3_B, |
844 | .suspend = REG_FIELD(DA9062AA_LDO3_CONT, |
845 | __builtin_ffs((int)DA9062AA_LDO3_CONF_MASK) - 1, |
846 | sizeof(unsigned int) * 8 - |
847 | __builtin_clz(DA9062AA_LDO3_CONF_MASK) - 1), |
848 | .oc_event = REG_FIELD(DA9062AA_STATUS_D, |
849 | __builtin_ffs((int)DA9062AA_LDO3_ILIM_MASK) - 1, |
850 | sizeof(unsigned int) * 8 - |
851 | __builtin_clz((DA9062AA_LDO3_ILIM_MASK)) - 1), |
852 | }, |
853 | { |
854 | .desc.id = DA9062_ID_LDO4, |
855 | .desc.name = "DA9062 LDO4" , |
856 | .desc.of_match = of_match_ptr("ldo4" ), |
857 | .desc.regulators_node = of_match_ptr("regulators" ), |
858 | .desc.ops = &da9062_ldo_ops, |
859 | .desc.min_uV = (900) * 1000, |
860 | .desc.uV_step = (50) * 1000, |
861 | .desc.n_voltages = ((3600) - (900))/(50) + 1 |
862 | + DA9062AA_VLDO_A_MIN_SEL, |
863 | .desc.enable_reg = DA9062AA_LDO4_CONT, |
864 | .desc.enable_mask = DA9062AA_LDO4_EN_MASK, |
865 | .desc.vsel_reg = DA9062AA_VLDO4_A, |
866 | .desc.vsel_mask = DA9062AA_VLDO4_A_MASK, |
867 | .desc.linear_min_sel = DA9062AA_VLDO_A_MIN_SEL, |
868 | .sleep = REG_FIELD(DA9062AA_VLDO4_A, |
869 | __builtin_ffs((int)DA9062AA_LDO4_SL_A_MASK) - 1, |
870 | sizeof(unsigned int) * 8 - |
871 | __builtin_clz((DA9062AA_LDO4_SL_A_MASK)) - 1), |
872 | .suspend_sleep = REG_FIELD(DA9062AA_VLDO4_B, |
873 | __builtin_ffs((int)DA9062AA_LDO4_SL_B_MASK) - 1, |
874 | sizeof(unsigned int) * 8 - |
875 | __builtin_clz((DA9062AA_LDO4_SL_B_MASK)) - 1), |
876 | .suspend_vsel_reg = DA9062AA_VLDO4_B, |
877 | .suspend = REG_FIELD(DA9062AA_LDO4_CONT, |
878 | __builtin_ffs((int)DA9062AA_LDO4_CONF_MASK) - 1, |
879 | sizeof(unsigned int) * 8 - |
880 | __builtin_clz(DA9062AA_LDO4_CONF_MASK) - 1), |
881 | .oc_event = REG_FIELD(DA9062AA_STATUS_D, |
882 | __builtin_ffs((int)DA9062AA_LDO4_ILIM_MASK) - 1, |
883 | sizeof(unsigned int) * 8 - |
884 | __builtin_clz((DA9062AA_LDO4_ILIM_MASK)) - 1), |
885 | }, |
886 | }; |
887 | |
888 | /* Regulator interrupt handlers */ |
889 | static irqreturn_t da9062_ldo_lim_event(int irq, void *data) |
890 | { |
891 | struct da9062_regulators *regulators = data; |
892 | struct da9062 *hw = regulators->regulator[0].hw; |
893 | struct da9062_regulator *regl; |
894 | int handled = IRQ_NONE; |
895 | int bits, i, ret; |
896 | |
897 | ret = regmap_read(map: hw->regmap, DA9062AA_STATUS_D, val: &bits); |
898 | if (ret < 0) { |
899 | dev_err(hw->dev, |
900 | "Failed to read LDO overcurrent indicator\n" ); |
901 | goto ldo_lim_error; |
902 | } |
903 | |
904 | for (i = regulators->n_regulators - 1; i >= 0; i--) { |
905 | regl = ®ulators->regulator[i]; |
906 | if (regl->info->oc_event.reg != DA9062AA_STATUS_D) |
907 | continue; |
908 | |
909 | if (BIT(regl->info->oc_event.lsb) & bits) { |
910 | regulator_notifier_call_chain(rdev: regl->rdev, |
911 | REGULATOR_EVENT_OVER_CURRENT, NULL); |
912 | handled = IRQ_HANDLED; |
913 | } |
914 | } |
915 | |
916 | ldo_lim_error: |
917 | return handled; |
918 | } |
919 | |
920 | static int da9062_regulator_probe(struct platform_device *pdev) |
921 | { |
922 | struct da9062 *chip = dev_get_drvdata(dev: pdev->dev.parent); |
923 | struct da9062_regulators *regulators; |
924 | struct da9062_regulator *regl; |
925 | struct regulator_config config = { }; |
926 | const struct da9062_regulator_info *rinfo; |
927 | int n, ret; |
928 | int max_regulators; |
929 | |
930 | switch (chip->chip_type) { |
931 | case COMPAT_TYPE_DA9061: |
932 | max_regulators = DA9061_MAX_REGULATORS; |
933 | rinfo = local_da9061_regulator_info; |
934 | break; |
935 | case COMPAT_TYPE_DA9062: |
936 | max_regulators = DA9062_MAX_REGULATORS; |
937 | rinfo = local_da9062_regulator_info; |
938 | break; |
939 | default: |
940 | dev_err(chip->dev, "Unrecognised chip type\n" ); |
941 | return -ENODEV; |
942 | } |
943 | |
944 | /* Allocate memory required by usable regulators */ |
945 | regulators = devm_kzalloc(dev: &pdev->dev, struct_size(regulators, regulator, |
946 | max_regulators), GFP_KERNEL); |
947 | if (!regulators) |
948 | return -ENOMEM; |
949 | |
950 | regulators->n_regulators = max_regulators; |
951 | platform_set_drvdata(pdev, data: regulators); |
952 | |
953 | for (n = 0; n < regulators->n_regulators; n++) { |
954 | /* Initialise regulator structure */ |
955 | regl = ®ulators->regulator[n]; |
956 | regl->hw = chip; |
957 | regl->info = &rinfo[n]; |
958 | regl->desc = regl->info->desc; |
959 | regl->desc.type = REGULATOR_VOLTAGE; |
960 | regl->desc.owner = THIS_MODULE; |
961 | |
962 | if (regl->info->mode.reg) { |
963 | regl->mode = devm_regmap_field_alloc( |
964 | dev: &pdev->dev, |
965 | regmap: chip->regmap, |
966 | reg_field: regl->info->mode); |
967 | if (IS_ERR(ptr: regl->mode)) |
968 | return PTR_ERR(ptr: regl->mode); |
969 | } |
970 | |
971 | if (regl->info->suspend.reg) { |
972 | regl->suspend = devm_regmap_field_alloc( |
973 | dev: &pdev->dev, |
974 | regmap: chip->regmap, |
975 | reg_field: regl->info->suspend); |
976 | if (IS_ERR(ptr: regl->suspend)) |
977 | return PTR_ERR(ptr: regl->suspend); |
978 | } |
979 | |
980 | if (regl->info->sleep.reg) { |
981 | regl->sleep = devm_regmap_field_alloc( |
982 | dev: &pdev->dev, |
983 | regmap: chip->regmap, |
984 | reg_field: regl->info->sleep); |
985 | if (IS_ERR(ptr: regl->sleep)) |
986 | return PTR_ERR(ptr: regl->sleep); |
987 | } |
988 | |
989 | if (regl->info->suspend_sleep.reg) { |
990 | regl->suspend_sleep = devm_regmap_field_alloc( |
991 | dev: &pdev->dev, |
992 | regmap: chip->regmap, |
993 | reg_field: regl->info->suspend_sleep); |
994 | if (IS_ERR(ptr: regl->suspend_sleep)) |
995 | return PTR_ERR(ptr: regl->suspend_sleep); |
996 | } |
997 | |
998 | /* Register regulator */ |
999 | memset(&config, 0, sizeof(config)); |
1000 | config.dev = chip->dev; |
1001 | config.driver_data = regl; |
1002 | config.regmap = chip->regmap; |
1003 | |
1004 | regl->rdev = devm_regulator_register(dev: &pdev->dev, regulator_desc: ®l->desc, |
1005 | config: &config); |
1006 | if (IS_ERR(ptr: regl->rdev)) { |
1007 | dev_err(&pdev->dev, |
1008 | "Failed to register %s regulator\n" , |
1009 | regl->desc.name); |
1010 | return PTR_ERR(ptr: regl->rdev); |
1011 | } |
1012 | } |
1013 | |
1014 | /* LDOs overcurrent event support */ |
1015 | regulators->irq_ldo_lim = platform_get_irq_byname_optional(dev: pdev, name: "LDO_LIM" ); |
1016 | if (regulators->irq_ldo_lim < 0) |
1017 | return 0; |
1018 | |
1019 | ret = devm_request_threaded_irq(dev: &pdev->dev, irq: regulators->irq_ldo_lim, |
1020 | NULL, thread_fn: da9062_ldo_lim_event, |
1021 | IRQF_TRIGGER_LOW | IRQF_ONESHOT, |
1022 | devname: "LDO_LIM" , dev_id: regulators); |
1023 | if (ret) { |
1024 | dev_warn(&pdev->dev, |
1025 | "Failed to request LDO_LIM IRQ.\n" ); |
1026 | regulators->irq_ldo_lim = -ENXIO; |
1027 | } |
1028 | |
1029 | return 0; |
1030 | } |
1031 | |
1032 | static struct platform_driver da9062_regulator_driver = { |
1033 | .driver = { |
1034 | .name = "da9062-regulators" , |
1035 | .probe_type = PROBE_PREFER_ASYNCHRONOUS, |
1036 | }, |
1037 | .probe = da9062_regulator_probe, |
1038 | }; |
1039 | |
1040 | static int __init da9062_regulator_init(void) |
1041 | { |
1042 | return platform_driver_register(&da9062_regulator_driver); |
1043 | } |
1044 | subsys_initcall(da9062_regulator_init); |
1045 | |
1046 | static void __exit da9062_regulator_cleanup(void) |
1047 | { |
1048 | platform_driver_unregister(&da9062_regulator_driver); |
1049 | } |
1050 | module_exit(da9062_regulator_cleanup); |
1051 | |
1052 | /* Module information */ |
1053 | MODULE_AUTHOR("S Twiss <stwiss.opensource@diasemi.com>" ); |
1054 | MODULE_DESCRIPTION("REGULATOR device driver for Dialog DA9062 and DA9061" ); |
1055 | MODULE_LICENSE("GPL" ); |
1056 | MODULE_ALIAS("platform:da9062-regulators" ); |
1057 | |