1 | // SPDX-License-Identifier: GPL-2.0+ |
2 | // |
3 | // pv88080-regulator.c - Regulator device driver for PV88080 |
4 | // Copyright (C) 2016 Powerventure Semiconductor Ltd. |
5 | |
6 | #include <linux/err.h> |
7 | #include <linux/i2c.h> |
8 | #include <linux/mod_devicetable.h> |
9 | #include <linux/module.h> |
10 | #include <linux/of.h> |
11 | #include <linux/init.h> |
12 | #include <linux/slab.h> |
13 | #include <linux/regulator/driver.h> |
14 | #include <linux/regulator/machine.h> |
15 | #include <linux/regmap.h> |
16 | #include <linux/irq.h> |
17 | #include <linux/interrupt.h> |
18 | #include <linux/regulator/of_regulator.h> |
19 | #include "pv88080-regulator.h" |
20 | |
21 | #define PV88080_MAX_REGULATORS 4 |
22 | |
23 | /* PV88080 REGULATOR IDs */ |
24 | enum { |
25 | /* BUCKs */ |
26 | PV88080_ID_BUCK1, |
27 | PV88080_ID_BUCK2, |
28 | PV88080_ID_BUCK3, |
29 | PV88080_ID_HVBUCK, |
30 | }; |
31 | |
32 | struct pv88080_regulator { |
33 | struct regulator_desc desc; |
34 | unsigned int mode_reg; |
35 | unsigned int conf2; |
36 | unsigned int conf5; |
37 | }; |
38 | |
39 | struct pv88080 { |
40 | struct device *dev; |
41 | struct regmap *regmap; |
42 | struct regulator_dev *rdev[PV88080_MAX_REGULATORS]; |
43 | unsigned long type; |
44 | const struct pv88080_compatible_regmap *regmap_config; |
45 | }; |
46 | |
47 | struct pv88080_buck_voltage { |
48 | int min_uV; |
49 | int max_uV; |
50 | int uV_step; |
51 | }; |
52 | |
53 | struct pv88080_buck_regmap { |
54 | /* REGS */ |
55 | int buck_enable_reg; |
56 | int buck_vsel_reg; |
57 | int buck_mode_reg; |
58 | int buck_limit_reg; |
59 | int buck_vdac_range_reg; |
60 | int buck_vrange_gain_reg; |
61 | /* MASKS */ |
62 | int buck_enable_mask; |
63 | int buck_vsel_mask; |
64 | int buck_limit_mask; |
65 | }; |
66 | |
67 | struct pv88080_compatible_regmap { |
68 | /* BUCK1, 2, 3 */ |
69 | struct pv88080_buck_regmap buck_regmap[PV88080_MAX_REGULATORS-1]; |
70 | /* HVBUCK */ |
71 | int hvbuck_enable_reg; |
72 | int hvbuck_vsel_reg; |
73 | int hvbuck_enable_mask; |
74 | int hvbuck_vsel_mask; |
75 | }; |
76 | |
77 | static const struct regmap_config pv88080_regmap_config = { |
78 | .reg_bits = 8, |
79 | .val_bits = 8, |
80 | }; |
81 | |
82 | /* Current limits array (in uA) for BUCK1, BUCK2, BUCK3. |
83 | * Entry indexes corresponds to register values. |
84 | */ |
85 | |
86 | static const unsigned int pv88080_buck1_limits[] = { |
87 | 3230000, 5130000, 6960000, 8790000 |
88 | }; |
89 | |
90 | static const unsigned int pv88080_buck23_limits[] = { |
91 | 1496000, 2393000, 3291000, 4189000 |
92 | }; |
93 | |
94 | static const struct pv88080_buck_voltage pv88080_buck_vol[2] = { |
95 | { |
96 | .min_uV = 600000, |
97 | .max_uV = 1393750, |
98 | .uV_step = 6250, |
99 | }, |
100 | { |
101 | .min_uV = 1400000, |
102 | .max_uV = 2193750, |
103 | .uV_step = 6250, |
104 | }, |
105 | }; |
106 | |
107 | static const struct pv88080_compatible_regmap pv88080_aa_regs = { |
108 | /* BUCK1 */ |
109 | .buck_regmap[0] = { |
110 | .buck_enable_reg = PV88080AA_REG_BUCK1_CONF0, |
111 | .buck_vsel_reg = PV88080AA_REG_BUCK1_CONF0, |
112 | .buck_mode_reg = PV88080AA_REG_BUCK1_CONF1, |
113 | .buck_limit_reg = PV88080AA_REG_BUCK1_CONF1, |
114 | .buck_vdac_range_reg = PV88080AA_REG_BUCK1_CONF2, |
115 | .buck_vrange_gain_reg = PV88080AA_REG_BUCK1_CONF5, |
116 | .buck_enable_mask = PV88080_BUCK1_EN, |
117 | .buck_vsel_mask = PV88080_VBUCK1_MASK, |
118 | .buck_limit_mask = PV88080_BUCK1_ILIM_MASK, |
119 | }, |
120 | /* BUCK2 */ |
121 | .buck_regmap[1] = { |
122 | .buck_enable_reg = PV88080AA_REG_BUCK2_CONF0, |
123 | .buck_vsel_reg = PV88080AA_REG_BUCK2_CONF0, |
124 | .buck_mode_reg = PV88080AA_REG_BUCK2_CONF1, |
125 | .buck_limit_reg = PV88080AA_REG_BUCK2_CONF1, |
126 | .buck_vdac_range_reg = PV88080AA_REG_BUCK2_CONF2, |
127 | .buck_vrange_gain_reg = PV88080AA_REG_BUCK2_CONF5, |
128 | .buck_enable_mask = PV88080_BUCK2_EN, |
129 | .buck_vsel_mask = PV88080_VBUCK2_MASK, |
130 | .buck_limit_mask = PV88080_BUCK2_ILIM_MASK, |
131 | }, |
132 | /* BUCK3 */ |
133 | .buck_regmap[2] = { |
134 | .buck_enable_reg = PV88080AA_REG_BUCK3_CONF0, |
135 | .buck_vsel_reg = PV88080AA_REG_BUCK3_CONF0, |
136 | .buck_mode_reg = PV88080AA_REG_BUCK3_CONF1, |
137 | .buck_limit_reg = PV88080AA_REG_BUCK3_CONF1, |
138 | .buck_vdac_range_reg = PV88080AA_REG_BUCK3_CONF2, |
139 | .buck_vrange_gain_reg = PV88080AA_REG_BUCK3_CONF5, |
140 | .buck_enable_mask = PV88080_BUCK3_EN, |
141 | .buck_vsel_mask = PV88080_VBUCK3_MASK, |
142 | .buck_limit_mask = PV88080_BUCK3_ILIM_MASK, |
143 | }, |
144 | /* HVBUCK */ |
145 | .hvbuck_enable_reg = PV88080AA_REG_HVBUCK_CONF2, |
146 | .hvbuck_vsel_reg = PV88080AA_REG_HVBUCK_CONF1, |
147 | .hvbuck_enable_mask = PV88080_HVBUCK_EN, |
148 | .hvbuck_vsel_mask = PV88080_VHVBUCK_MASK, |
149 | }; |
150 | |
151 | static const struct pv88080_compatible_regmap pv88080_ba_regs = { |
152 | /* BUCK1 */ |
153 | .buck_regmap[0] = { |
154 | .buck_enable_reg = PV88080BA_REG_BUCK1_CONF0, |
155 | .buck_vsel_reg = PV88080BA_REG_BUCK1_CONF0, |
156 | .buck_mode_reg = PV88080BA_REG_BUCK1_CONF1, |
157 | .buck_limit_reg = PV88080BA_REG_BUCK1_CONF1, |
158 | .buck_vdac_range_reg = PV88080BA_REG_BUCK1_CONF2, |
159 | .buck_vrange_gain_reg = PV88080BA_REG_BUCK1_CONF5, |
160 | .buck_enable_mask = PV88080_BUCK1_EN, |
161 | .buck_vsel_mask = PV88080_VBUCK1_MASK, |
162 | .buck_limit_mask = PV88080_BUCK1_ILIM_MASK, |
163 | }, |
164 | /* BUCK2 */ |
165 | .buck_regmap[1] = { |
166 | .buck_enable_reg = PV88080BA_REG_BUCK2_CONF0, |
167 | .buck_vsel_reg = PV88080BA_REG_BUCK2_CONF0, |
168 | .buck_mode_reg = PV88080BA_REG_BUCK2_CONF1, |
169 | .buck_limit_reg = PV88080BA_REG_BUCK2_CONF1, |
170 | .buck_vdac_range_reg = PV88080BA_REG_BUCK2_CONF2, |
171 | .buck_vrange_gain_reg = PV88080BA_REG_BUCK2_CONF5, |
172 | .buck_enable_mask = PV88080_BUCK2_EN, |
173 | .buck_vsel_mask = PV88080_VBUCK2_MASK, |
174 | .buck_limit_mask = PV88080_BUCK2_ILIM_MASK, |
175 | }, |
176 | /* BUCK3 */ |
177 | .buck_regmap[2] = { |
178 | .buck_enable_reg = PV88080BA_REG_BUCK3_CONF0, |
179 | .buck_vsel_reg = PV88080BA_REG_BUCK3_CONF0, |
180 | .buck_mode_reg = PV88080BA_REG_BUCK3_CONF1, |
181 | .buck_limit_reg = PV88080BA_REG_BUCK3_CONF1, |
182 | .buck_vdac_range_reg = PV88080BA_REG_BUCK3_CONF2, |
183 | .buck_vrange_gain_reg = PV88080BA_REG_BUCK3_CONF5, |
184 | .buck_enable_mask = PV88080_BUCK3_EN, |
185 | .buck_vsel_mask = PV88080_VBUCK3_MASK, |
186 | .buck_limit_mask = PV88080_BUCK3_ILIM_MASK, |
187 | }, |
188 | /* HVBUCK */ |
189 | .hvbuck_enable_reg = PV88080BA_REG_HVBUCK_CONF2, |
190 | .hvbuck_vsel_reg = PV88080BA_REG_HVBUCK_CONF1, |
191 | .hvbuck_enable_mask = PV88080_HVBUCK_EN, |
192 | .hvbuck_vsel_mask = PV88080_VHVBUCK_MASK, |
193 | }; |
194 | |
195 | static unsigned int pv88080_buck_get_mode(struct regulator_dev *rdev) |
196 | { |
197 | struct pv88080_regulator *info = rdev_get_drvdata(rdev); |
198 | unsigned int data; |
199 | int ret, mode = 0; |
200 | |
201 | ret = regmap_read(map: rdev->regmap, reg: info->mode_reg, val: &data); |
202 | if (ret < 0) |
203 | return ret; |
204 | |
205 | switch (data & PV88080_BUCK1_MODE_MASK) { |
206 | case PV88080_BUCK_MODE_SYNC: |
207 | mode = REGULATOR_MODE_FAST; |
208 | break; |
209 | case PV88080_BUCK_MODE_AUTO: |
210 | mode = REGULATOR_MODE_NORMAL; |
211 | break; |
212 | case PV88080_BUCK_MODE_SLEEP: |
213 | mode = REGULATOR_MODE_STANDBY; |
214 | break; |
215 | default: |
216 | return -EINVAL; |
217 | } |
218 | |
219 | return mode; |
220 | } |
221 | |
222 | static int pv88080_buck_set_mode(struct regulator_dev *rdev, |
223 | unsigned int mode) |
224 | { |
225 | struct pv88080_regulator *info = rdev_get_drvdata(rdev); |
226 | int val = 0; |
227 | |
228 | switch (mode) { |
229 | case REGULATOR_MODE_FAST: |
230 | val = PV88080_BUCK_MODE_SYNC; |
231 | break; |
232 | case REGULATOR_MODE_NORMAL: |
233 | val = PV88080_BUCK_MODE_AUTO; |
234 | break; |
235 | case REGULATOR_MODE_STANDBY: |
236 | val = PV88080_BUCK_MODE_SLEEP; |
237 | break; |
238 | default: |
239 | return -EINVAL; |
240 | } |
241 | |
242 | return regmap_update_bits(map: rdev->regmap, reg: info->mode_reg, |
243 | PV88080_BUCK1_MODE_MASK, val); |
244 | } |
245 | |
246 | static const struct regulator_ops pv88080_buck_ops = { |
247 | .get_mode = pv88080_buck_get_mode, |
248 | .set_mode = pv88080_buck_set_mode, |
249 | .enable = regulator_enable_regmap, |
250 | .disable = regulator_disable_regmap, |
251 | .is_enabled = regulator_is_enabled_regmap, |
252 | .set_voltage_sel = regulator_set_voltage_sel_regmap, |
253 | .get_voltage_sel = regulator_get_voltage_sel_regmap, |
254 | .list_voltage = regulator_list_voltage_linear, |
255 | .set_current_limit = regulator_set_current_limit_regmap, |
256 | .get_current_limit = regulator_get_current_limit_regmap, |
257 | }; |
258 | |
259 | static const struct regulator_ops pv88080_hvbuck_ops = { |
260 | .enable = regulator_enable_regmap, |
261 | .disable = regulator_disable_regmap, |
262 | .is_enabled = regulator_is_enabled_regmap, |
263 | .set_voltage_sel = regulator_set_voltage_sel_regmap, |
264 | .get_voltage_sel = regulator_get_voltage_sel_regmap, |
265 | .list_voltage = regulator_list_voltage_linear, |
266 | }; |
267 | |
268 | #define PV88080_BUCK(chip, regl_name, min, step, max, limits_array) \ |
269 | {\ |
270 | .desc = {\ |
271 | .id = chip##_ID_##regl_name,\ |
272 | .name = __stringify(chip##_##regl_name),\ |
273 | .of_match = of_match_ptr(#regl_name),\ |
274 | .regulators_node = of_match_ptr("regulators"),\ |
275 | .type = REGULATOR_VOLTAGE,\ |
276 | .owner = THIS_MODULE,\ |
277 | .ops = &pv88080_buck_ops,\ |
278 | .min_uV = min, \ |
279 | .uV_step = step, \ |
280 | .n_voltages = ((max) - (min))/(step) + 1, \ |
281 | .curr_table = limits_array, \ |
282 | .n_current_limits = ARRAY_SIZE(limits_array), \ |
283 | },\ |
284 | } |
285 | |
286 | #define PV88080_HVBUCK(chip, regl_name, min, step, max) \ |
287 | {\ |
288 | .desc = {\ |
289 | .id = chip##_ID_##regl_name,\ |
290 | .name = __stringify(chip##_##regl_name),\ |
291 | .of_match = of_match_ptr(#regl_name),\ |
292 | .regulators_node = of_match_ptr("regulators"),\ |
293 | .type = REGULATOR_VOLTAGE,\ |
294 | .owner = THIS_MODULE,\ |
295 | .ops = &pv88080_hvbuck_ops,\ |
296 | .min_uV = min, \ |
297 | .uV_step = step, \ |
298 | .n_voltages = ((max) - (min))/(step) + 1, \ |
299 | },\ |
300 | } |
301 | |
302 | static struct pv88080_regulator pv88080_regulator_info[] = { |
303 | PV88080_BUCK(PV88080, BUCK1, 600000, 6250, 1393750, |
304 | pv88080_buck1_limits), |
305 | PV88080_BUCK(PV88080, BUCK2, 600000, 6250, 1393750, |
306 | pv88080_buck23_limits), |
307 | PV88080_BUCK(PV88080, BUCK3, 600000, 6250, 1393750, |
308 | pv88080_buck23_limits), |
309 | PV88080_HVBUCK(PV88080, HVBUCK, 0, 5000, 1275000), |
310 | }; |
311 | |
312 | static irqreturn_t pv88080_irq_handler(int irq, void *data) |
313 | { |
314 | struct pv88080 *chip = data; |
315 | int i, reg_val, err, ret = IRQ_NONE; |
316 | |
317 | err = regmap_read(map: chip->regmap, PV88080_REG_EVENT_A, val: ®_val); |
318 | if (err < 0) |
319 | goto error_i2c; |
320 | |
321 | if (reg_val & PV88080_E_VDD_FLT) { |
322 | for (i = 0; i < PV88080_MAX_REGULATORS; i++) { |
323 | if (chip->rdev[i] != NULL) |
324 | regulator_notifier_call_chain(rdev: chip->rdev[i], |
325 | REGULATOR_EVENT_UNDER_VOLTAGE, |
326 | NULL); |
327 | } |
328 | |
329 | err = regmap_write(map: chip->regmap, PV88080_REG_EVENT_A, |
330 | PV88080_E_VDD_FLT); |
331 | if (err < 0) |
332 | goto error_i2c; |
333 | |
334 | ret = IRQ_HANDLED; |
335 | } |
336 | |
337 | if (reg_val & PV88080_E_OVER_TEMP) { |
338 | for (i = 0; i < PV88080_MAX_REGULATORS; i++) { |
339 | if (chip->rdev[i] != NULL) |
340 | regulator_notifier_call_chain(rdev: chip->rdev[i], |
341 | REGULATOR_EVENT_OVER_TEMP, |
342 | NULL); |
343 | } |
344 | |
345 | err = regmap_write(map: chip->regmap, PV88080_REG_EVENT_A, |
346 | PV88080_E_OVER_TEMP); |
347 | if (err < 0) |
348 | goto error_i2c; |
349 | |
350 | ret = IRQ_HANDLED; |
351 | } |
352 | |
353 | return ret; |
354 | |
355 | error_i2c: |
356 | dev_err(chip->dev, "I2C error : %d\n" , err); |
357 | return IRQ_NONE; |
358 | } |
359 | |
360 | /* |
361 | * I2C driver interface functions |
362 | */ |
363 | static int pv88080_i2c_probe(struct i2c_client *i2c) |
364 | { |
365 | struct regulator_init_data *init_data = dev_get_platdata(dev: &i2c->dev); |
366 | struct pv88080 *chip; |
367 | const struct pv88080_compatible_regmap *regmap_config; |
368 | struct regulator_config config = { }; |
369 | int i, error, ret; |
370 | unsigned int conf2, conf5; |
371 | |
372 | chip = devm_kzalloc(dev: &i2c->dev, size: sizeof(struct pv88080), GFP_KERNEL); |
373 | if (!chip) |
374 | return -ENOMEM; |
375 | |
376 | chip->dev = &i2c->dev; |
377 | chip->regmap = devm_regmap_init_i2c(i2c, &pv88080_regmap_config); |
378 | if (IS_ERR(ptr: chip->regmap)) { |
379 | error = PTR_ERR(ptr: chip->regmap); |
380 | dev_err(chip->dev, "Failed to allocate register map: %d\n" , |
381 | error); |
382 | return error; |
383 | } |
384 | |
385 | chip->regmap_config = i2c_get_match_data(client: i2c); |
386 | if (!chip->regmap_config) |
387 | return -ENODEV; |
388 | |
389 | i2c_set_clientdata(client: i2c, data: chip); |
390 | |
391 | if (i2c->irq != 0) { |
392 | ret = regmap_write(map: chip->regmap, PV88080_REG_MASK_A, val: 0xFF); |
393 | if (ret < 0) { |
394 | dev_err(chip->dev, |
395 | "Failed to mask A reg: %d\n" , ret); |
396 | return ret; |
397 | } |
398 | ret = regmap_write(map: chip->regmap, PV88080_REG_MASK_B, val: 0xFF); |
399 | if (ret < 0) { |
400 | dev_err(chip->dev, |
401 | "Failed to mask B reg: %d\n" , ret); |
402 | return ret; |
403 | } |
404 | ret = regmap_write(map: chip->regmap, PV88080_REG_MASK_C, val: 0xFF); |
405 | if (ret < 0) { |
406 | dev_err(chip->dev, |
407 | "Failed to mask C reg: %d\n" , ret); |
408 | return ret; |
409 | } |
410 | |
411 | ret = devm_request_threaded_irq(dev: &i2c->dev, irq: i2c->irq, NULL, |
412 | thread_fn: pv88080_irq_handler, |
413 | IRQF_TRIGGER_LOW|IRQF_ONESHOT, |
414 | devname: "pv88080" , dev_id: chip); |
415 | if (ret != 0) { |
416 | dev_err(chip->dev, "Failed to request IRQ: %d\n" , |
417 | i2c->irq); |
418 | return ret; |
419 | } |
420 | |
421 | ret = regmap_update_bits(map: chip->regmap, PV88080_REG_MASK_A, |
422 | PV88080_M_VDD_FLT | PV88080_M_OVER_TEMP, val: 0); |
423 | if (ret < 0) { |
424 | dev_err(chip->dev, |
425 | "Failed to update mask reg: %d\n" , ret); |
426 | return ret; |
427 | } |
428 | } else { |
429 | dev_warn(chip->dev, "No IRQ configured\n" ); |
430 | } |
431 | |
432 | regmap_config = chip->regmap_config; |
433 | config.dev = chip->dev; |
434 | config.regmap = chip->regmap; |
435 | |
436 | /* Registeration for BUCK1, 2, 3 */ |
437 | for (i = 0; i < PV88080_MAX_REGULATORS-1; i++) { |
438 | if (init_data) |
439 | config.init_data = &init_data[i]; |
440 | |
441 | pv88080_regulator_info[i].desc.csel_reg |
442 | = regmap_config->buck_regmap[i].buck_limit_reg; |
443 | pv88080_regulator_info[i].desc.csel_mask |
444 | = regmap_config->buck_regmap[i].buck_limit_mask; |
445 | pv88080_regulator_info[i].mode_reg |
446 | = regmap_config->buck_regmap[i].buck_mode_reg; |
447 | pv88080_regulator_info[i].conf2 |
448 | = regmap_config->buck_regmap[i].buck_vdac_range_reg; |
449 | pv88080_regulator_info[i].conf5 |
450 | = regmap_config->buck_regmap[i].buck_vrange_gain_reg; |
451 | pv88080_regulator_info[i].desc.enable_reg |
452 | = regmap_config->buck_regmap[i].buck_enable_reg; |
453 | pv88080_regulator_info[i].desc.enable_mask |
454 | = regmap_config->buck_regmap[i].buck_enable_mask; |
455 | pv88080_regulator_info[i].desc.vsel_reg |
456 | = regmap_config->buck_regmap[i].buck_vsel_reg; |
457 | pv88080_regulator_info[i].desc.vsel_mask |
458 | = regmap_config->buck_regmap[i].buck_vsel_mask; |
459 | |
460 | ret = regmap_read(map: chip->regmap, |
461 | reg: pv88080_regulator_info[i].conf2, val: &conf2); |
462 | if (ret < 0) |
463 | return ret; |
464 | conf2 = ((conf2 >> PV88080_BUCK_VDAC_RANGE_SHIFT) & |
465 | PV88080_BUCK_VDAC_RANGE_MASK); |
466 | |
467 | ret = regmap_read(map: chip->regmap, |
468 | reg: pv88080_regulator_info[i].conf5, val: &conf5); |
469 | if (ret < 0) |
470 | return ret; |
471 | conf5 = ((conf5 >> PV88080_BUCK_VRANGE_GAIN_SHIFT) & |
472 | PV88080_BUCK_VRANGE_GAIN_MASK); |
473 | |
474 | pv88080_regulator_info[i].desc.min_uV = |
475 | pv88080_buck_vol[conf2].min_uV * (conf5+1); |
476 | pv88080_regulator_info[i].desc.uV_step = |
477 | pv88080_buck_vol[conf2].uV_step * (conf5+1); |
478 | pv88080_regulator_info[i].desc.n_voltages = |
479 | ((pv88080_buck_vol[conf2].max_uV * (conf5+1)) |
480 | - (pv88080_regulator_info[i].desc.min_uV)) |
481 | /(pv88080_regulator_info[i].desc.uV_step) + 1; |
482 | |
483 | config.driver_data = (void *)&pv88080_regulator_info[i]; |
484 | chip->rdev[i] = devm_regulator_register(dev: chip->dev, |
485 | regulator_desc: &pv88080_regulator_info[i].desc, config: &config); |
486 | if (IS_ERR(ptr: chip->rdev[i])) { |
487 | dev_err(chip->dev, |
488 | "Failed to register PV88080 regulator\n" ); |
489 | return PTR_ERR(ptr: chip->rdev[i]); |
490 | } |
491 | } |
492 | |
493 | pv88080_regulator_info[PV88080_ID_HVBUCK].desc.enable_reg |
494 | = regmap_config->hvbuck_enable_reg; |
495 | pv88080_regulator_info[PV88080_ID_HVBUCK].desc.enable_mask |
496 | = regmap_config->hvbuck_enable_mask; |
497 | pv88080_regulator_info[PV88080_ID_HVBUCK].desc.vsel_reg |
498 | = regmap_config->hvbuck_vsel_reg; |
499 | pv88080_regulator_info[PV88080_ID_HVBUCK].desc.vsel_mask |
500 | = regmap_config->hvbuck_vsel_mask; |
501 | |
502 | /* Registeration for HVBUCK */ |
503 | if (init_data) |
504 | config.init_data = &init_data[PV88080_ID_HVBUCK]; |
505 | |
506 | config.driver_data = (void *)&pv88080_regulator_info[PV88080_ID_HVBUCK]; |
507 | chip->rdev[PV88080_ID_HVBUCK] = devm_regulator_register(dev: chip->dev, |
508 | regulator_desc: &pv88080_regulator_info[PV88080_ID_HVBUCK].desc, config: &config); |
509 | if (IS_ERR(ptr: chip->rdev[PV88080_ID_HVBUCK])) { |
510 | dev_err(chip->dev, "Failed to register PV88080 regulator\n" ); |
511 | return PTR_ERR(ptr: chip->rdev[PV88080_ID_HVBUCK]); |
512 | } |
513 | |
514 | return 0; |
515 | } |
516 | |
517 | static const struct of_device_id pv88080_dt_ids[] = { |
518 | { .compatible = "pvs,pv88080" , .data = &pv88080_aa_regs }, |
519 | { .compatible = "pvs,pv88080-aa" , .data = &pv88080_aa_regs }, |
520 | { .compatible = "pvs,pv88080-ba" , .data = &pv88080_ba_regs }, |
521 | {} |
522 | }; |
523 | MODULE_DEVICE_TABLE(of, pv88080_dt_ids); |
524 | |
525 | static const struct i2c_device_id pv88080_i2c_id[] = { |
526 | { "pv88080" , (kernel_ulong_t)&pv88080_aa_regs }, |
527 | { "pv88080-aa" , (kernel_ulong_t)&pv88080_aa_regs }, |
528 | { "pv88080-ba" , (kernel_ulong_t)&pv88080_ba_regs }, |
529 | {} |
530 | }; |
531 | MODULE_DEVICE_TABLE(i2c, pv88080_i2c_id); |
532 | |
533 | static struct i2c_driver pv88080_regulator_driver = { |
534 | .driver = { |
535 | .name = "pv88080" , |
536 | .probe_type = PROBE_PREFER_ASYNCHRONOUS, |
537 | .of_match_table = pv88080_dt_ids, |
538 | }, |
539 | .probe = pv88080_i2c_probe, |
540 | .id_table = pv88080_i2c_id, |
541 | }; |
542 | |
543 | module_i2c_driver(pv88080_regulator_driver); |
544 | |
545 | MODULE_AUTHOR("James Ban <James.Ban.opensource@diasemi.com>" ); |
546 | MODULE_DESCRIPTION("Regulator device driver for Powerventure PV88080" ); |
547 | MODULE_LICENSE("GPL" ); |
548 | |