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ba08799e MV |
1 | // SPDX-License-Identifier: GPL-2.0 |
2 | // Copyright (C) 2018 ROHM Semiconductors | |
dd2be639 | 3 | // bd71837-regulator.c ROHM BD71837MWV/BD71847MWV regulator driver |
ba08799e | 4 | |
c9dc4cfa | 5 | #include <linux/delay.h> |
ba08799e MV |
6 | #include <linux/err.h> |
7 | #include <linux/interrupt.h> | |
c9dc4cfa | 8 | #include <linux/kernel.h> |
410e8b4f | 9 | #include <linux/mfd/rohm-bd718x7.h> |
c9dc4cfa | 10 | #include <linux/module.h> |
9cce7244 | 11 | #include <linux/of.h> |
ba08799e MV |
12 | #include <linux/platform_device.h> |
13 | #include <linux/regulator/driver.h> | |
14 | #include <linux/regulator/machine.h> | |
ba08799e | 15 | #include <linux/regulator/of_regulator.h> |
c9dc4cfa | 16 | #include <linux/slab.h> |
ba08799e | 17 | |
ba08799e MV |
18 | /* |
19 | * BUCK1/2/3/4 | |
20 | * BUCK1RAMPRATE[1:0] BUCK1 DVS ramp rate setting | |
21 | * 00: 10.00mV/usec 10mV 1uS | |
22 | * 01: 5.00mV/usec 10mV 2uS | |
23 | * 10: 2.50mV/usec 10mV 4uS | |
24 | * 11: 1.25mV/usec 10mV 8uS | |
25 | */ | |
dd2be639 | 26 | static int bd718xx_buck1234_set_ramp_delay(struct regulator_dev *rdev, |
ba08799e MV |
27 | int ramp_delay) |
28 | { | |
0a245f0e AL |
29 | int id = rdev_get_id(rdev); |
30 | unsigned int ramp_value; | |
ba08799e | 31 | |
bcb047eb | 32 | dev_dbg(&rdev->dev, "Buck[%d] Set Ramp = %d\n", id + 1, |
ba08799e MV |
33 | ramp_delay); |
34 | switch (ramp_delay) { | |
35 | case 1 ... 1250: | |
36 | ramp_value = BUCK_RAMPRATE_1P25MV; | |
37 | break; | |
38 | case 1251 ... 2500: | |
39 | ramp_value = BUCK_RAMPRATE_2P50MV; | |
40 | break; | |
41 | case 2501 ... 5000: | |
42 | ramp_value = BUCK_RAMPRATE_5P00MV; | |
43 | break; | |
44 | case 5001 ... 10000: | |
45 | ramp_value = BUCK_RAMPRATE_10P00MV; | |
46 | break; | |
47 | default: | |
48 | ramp_value = BUCK_RAMPRATE_10P00MV; | |
bcb047eb | 49 | dev_err(&rdev->dev, |
ba08799e MV |
50 | "%s: ramp_delay: %d not supported, setting 10000mV//us\n", |
51 | rdev->desc->name, ramp_delay); | |
52 | } | |
53 | ||
bcb047eb | 54 | return regmap_update_bits(rdev->regmap, BD718XX_REG_BUCK1_CTRL + id, |
ba08799e MV |
55 | BUCK_RAMPRATE_MASK, ramp_value << 6); |
56 | } | |
57 | ||
58 | /* Bucks 1 to 4 support DVS. PWM mode is used when voltage is changed. | |
59 | * Bucks 5 to 8 and LDOs can use PFM and must be disabled when voltage | |
60 | * is changed. Hence we return -EBUSY for these if voltage is changed | |
61 | * when BUCK/LDO is enabled. | |
62 | */ | |
494edd26 | 63 | static int bd718xx_set_voltage_sel_restricted(struct regulator_dev *rdev, |
ba08799e MV |
64 | unsigned int sel) |
65 | { | |
ffdc4984 AL |
66 | if (regulator_is_enabled_regmap(rdev)) |
67 | return -EBUSY; | |
ba08799e | 68 | |
ffdc4984 | 69 | return regulator_set_voltage_sel_regmap(rdev, sel); |
ba08799e MV |
70 | } |
71 | ||
a4bfc2c2 MV |
72 | static int bd718xx_set_voltage_sel_pickable_restricted( |
73 | struct regulator_dev *rdev, unsigned int sel) | |
74 | { | |
75 | if (regulator_is_enabled_regmap(rdev)) | |
76 | return -EBUSY; | |
77 | ||
78 | return regulator_set_voltage_sel_pickable_regmap(rdev, sel); | |
79 | } | |
80 | ||
704c5c01 | 81 | static const struct regulator_ops bd718xx_pickable_range_ldo_ops = { |
a4bfc2c2 MV |
82 | .enable = regulator_enable_regmap, |
83 | .disable = regulator_disable_regmap, | |
84 | .is_enabled = regulator_is_enabled_regmap, | |
85 | .list_voltage = regulator_list_voltage_pickable_linear_range, | |
86 | .set_voltage_sel = bd718xx_set_voltage_sel_pickable_restricted, | |
87 | .get_voltage_sel = regulator_get_voltage_sel_pickable_regmap, | |
88 | }; | |
89 | ||
704c5c01 | 90 | static const struct regulator_ops bd718xx_pickable_range_buck_ops = { |
a4bfc2c2 MV |
91 | .enable = regulator_enable_regmap, |
92 | .disable = regulator_disable_regmap, | |
93 | .is_enabled = regulator_is_enabled_regmap, | |
94 | .list_voltage = regulator_list_voltage_pickable_linear_range, | |
95 | .set_voltage_sel = bd718xx_set_voltage_sel_pickable_restricted, | |
96 | .get_voltage_sel = regulator_get_voltage_sel_pickable_regmap, | |
97 | .set_voltage_time_sel = regulator_set_voltage_time_sel, | |
98 | }; | |
99 | ||
704c5c01 | 100 | static const struct regulator_ops bd718xx_ldo_regulator_ops = { |
ba08799e MV |
101 | .enable = regulator_enable_regmap, |
102 | .disable = regulator_disable_regmap, | |
103 | .is_enabled = regulator_is_enabled_regmap, | |
104 | .list_voltage = regulator_list_voltage_linear_range, | |
494edd26 | 105 | .set_voltage_sel = bd718xx_set_voltage_sel_restricted, |
ba08799e MV |
106 | .get_voltage_sel = regulator_get_voltage_sel_regmap, |
107 | }; | |
108 | ||
704c5c01 | 109 | static const struct regulator_ops bd718xx_ldo_regulator_nolinear_ops = { |
ba08799e MV |
110 | .enable = regulator_enable_regmap, |
111 | .disable = regulator_disable_regmap, | |
112 | .is_enabled = regulator_is_enabled_regmap, | |
113 | .list_voltage = regulator_list_voltage_table, | |
494edd26 | 114 | .set_voltage_sel = bd718xx_set_voltage_sel_restricted, |
ba08799e MV |
115 | .get_voltage_sel = regulator_get_voltage_sel_regmap, |
116 | }; | |
117 | ||
704c5c01 | 118 | static const struct regulator_ops bd718xx_buck_regulator_ops = { |
ba08799e MV |
119 | .enable = regulator_enable_regmap, |
120 | .disable = regulator_disable_regmap, | |
121 | .is_enabled = regulator_is_enabled_regmap, | |
122 | .list_voltage = regulator_list_voltage_linear_range, | |
494edd26 | 123 | .set_voltage_sel = bd718xx_set_voltage_sel_restricted, |
ba08799e MV |
124 | .get_voltage_sel = regulator_get_voltage_sel_regmap, |
125 | .set_voltage_time_sel = regulator_set_voltage_time_sel, | |
126 | }; | |
127 | ||
704c5c01 | 128 | static const struct regulator_ops bd718xx_buck_regulator_nolinear_ops = { |
ba08799e MV |
129 | .enable = regulator_enable_regmap, |
130 | .disable = regulator_disable_regmap, | |
131 | .is_enabled = regulator_is_enabled_regmap, | |
132 | .list_voltage = regulator_list_voltage_table, | |
2e61286d | 133 | .map_voltage = regulator_map_voltage_ascend, |
494edd26 | 134 | .set_voltage_sel = bd718xx_set_voltage_sel_restricted, |
ba08799e MV |
135 | .get_voltage_sel = regulator_get_voltage_sel_regmap, |
136 | .set_voltage_time_sel = regulator_set_voltage_time_sel, | |
137 | }; | |
138 | ||
704c5c01 | 139 | static const struct regulator_ops bd718xx_dvs_buck_regulator_ops = { |
ba08799e MV |
140 | .enable = regulator_enable_regmap, |
141 | .disable = regulator_disable_regmap, | |
142 | .is_enabled = regulator_is_enabled_regmap, | |
143 | .list_voltage = regulator_list_voltage_linear_range, | |
144 | .set_voltage_sel = regulator_set_voltage_sel_regmap, | |
145 | .get_voltage_sel = regulator_get_voltage_sel_regmap, | |
146 | .set_voltage_time_sel = regulator_set_voltage_time_sel, | |
dd2be639 | 147 | .set_ramp_delay = bd718xx_buck1234_set_ramp_delay, |
ba08799e MV |
148 | }; |
149 | ||
150 | /* | |
494edd26 MV |
151 | * BD71837 BUCK1/2/3/4 |
152 | * BD71847 BUCK1/2 | |
ba08799e MV |
153 | * 0.70 to 1.30V (10mV step) |
154 | */ | |
494edd26 | 155 | static const struct regulator_linear_range bd718xx_dvs_buck_volts[] = { |
ba08799e MV |
156 | REGULATOR_LINEAR_RANGE(700000, 0x00, 0x3C, 10000), |
157 | REGULATOR_LINEAR_RANGE(1300000, 0x3D, 0x3F, 0), | |
158 | }; | |
159 | ||
160 | /* | |
494edd26 | 161 | * BD71837 BUCK5 |
a4bfc2c2 MV |
162 | * 0.7V to 1.35V (range 0) |
163 | * and | |
164 | * 0.675 to 1.325 (range 1) | |
165 | */ | |
166 | static const struct regulator_linear_range bd71837_buck5_volts[] = { | |
167 | /* Ranges when VOLT_SEL bit is 0 */ | |
168 | REGULATOR_LINEAR_RANGE(700000, 0x00, 0x03, 100000), | |
169 | REGULATOR_LINEAR_RANGE(1050000, 0x04, 0x05, 50000), | |
170 | REGULATOR_LINEAR_RANGE(1200000, 0x06, 0x07, 150000), | |
171 | /* Ranges when VOLT_SEL bit is 1 */ | |
172 | REGULATOR_LINEAR_RANGE(675000, 0x0, 0x3, 100000), | |
173 | REGULATOR_LINEAR_RANGE(1025000, 0x4, 0x5, 50000), | |
174 | REGULATOR_LINEAR_RANGE(1175000, 0x6, 0x7, 150000), | |
175 | }; | |
176 | ||
177 | /* | |
178 | * Range selector for first 3 linear ranges is 0x0 | |
179 | * and 0x1 for last 3 ranges. | |
180 | */ | |
181 | static const unsigned int bd71837_buck5_volt_range_sel[] = { | |
182 | 0x0, 0x0, 0x0, 0x80, 0x80, 0x80 | |
183 | }; | |
184 | ||
185 | /* | |
494edd26 | 186 | * BD71847 BUCK3 |
ba08799e | 187 | */ |
a4bfc2c2 MV |
188 | static const struct regulator_linear_range bd71847_buck3_volts[] = { |
189 | /* Ranges when VOLT_SEL bits are 00 */ | |
ba08799e MV |
190 | REGULATOR_LINEAR_RANGE(700000, 0x00, 0x03, 100000), |
191 | REGULATOR_LINEAR_RANGE(1050000, 0x04, 0x05, 50000), | |
192 | REGULATOR_LINEAR_RANGE(1200000, 0x06, 0x07, 150000), | |
a4bfc2c2 MV |
193 | /* Ranges when VOLT_SEL bits are 01 */ |
194 | REGULATOR_LINEAR_RANGE(550000, 0x0, 0x7, 50000), | |
195 | /* Ranges when VOLT_SEL bits are 11 */ | |
196 | REGULATOR_LINEAR_RANGE(675000, 0x0, 0x3, 100000), | |
197 | REGULATOR_LINEAR_RANGE(1025000, 0x4, 0x5, 50000), | |
198 | REGULATOR_LINEAR_RANGE(1175000, 0x6, 0x7, 150000), | |
199 | }; | |
200 | ||
201 | static const unsigned int bd71847_buck3_volt_range_sel[] = { | |
202 | 0x0, 0x0, 0x0, 0x40, 0x80, 0x80, 0x80 | |
ba08799e MV |
203 | }; |
204 | ||
a4bfc2c2 | 205 | static const struct regulator_linear_range bd71847_buck4_volts[] = { |
494edd26 | 206 | REGULATOR_LINEAR_RANGE(3000000, 0x00, 0x03, 100000), |
a4bfc2c2 | 207 | REGULATOR_LINEAR_RANGE(2600000, 0x00, 0x03, 100000), |
494edd26 MV |
208 | }; |
209 | ||
a4bfc2c2 MV |
210 | static const unsigned int bd71847_buck4_volt_range_sel[] = { 0x0, 0x40 }; |
211 | ||
ba08799e MV |
212 | /* |
213 | * BUCK6 | |
214 | * 3.0V to 3.3V (step 100mV) | |
215 | */ | |
a4bfc2c2 | 216 | static const struct regulator_linear_range bd71837_buck6_volts[] = { |
ba08799e MV |
217 | REGULATOR_LINEAR_RANGE(3000000, 0x00, 0x03, 100000), |
218 | }; | |
219 | ||
220 | /* | |
494edd26 MV |
221 | * BD71837 BUCK7 |
222 | * BD71847 BUCK5 | |
ba08799e MV |
223 | * 000 = 1.605V |
224 | * 001 = 1.695V | |
225 | * 010 = 1.755V | |
226 | * 011 = 1.8V (Initial) | |
227 | * 100 = 1.845V | |
228 | * 101 = 1.905V | |
229 | * 110 = 1.95V | |
230 | * 111 = 1.995V | |
231 | */ | |
494edd26 | 232 | static const unsigned int bd718xx_3rd_nodvs_buck_volts[] = { |
ba08799e MV |
233 | 1605000, 1695000, 1755000, 1800000, 1845000, 1905000, 1950000, 1995000 |
234 | }; | |
235 | ||
236 | /* | |
237 | * BUCK8 | |
238 | * 0.8V to 1.40V (step 10mV) | |
239 | */ | |
494edd26 | 240 | static const struct regulator_linear_range bd718xx_4th_nodvs_buck_volts[] = { |
ba08799e | 241 | REGULATOR_LINEAR_RANGE(800000, 0x00, 0x3C, 10000), |
ba08799e MV |
242 | }; |
243 | ||
244 | /* | |
245 | * LDO1 | |
246 | * 3.0 to 3.3V (100mV step) | |
247 | */ | |
494edd26 | 248 | static const struct regulator_linear_range bd718xx_ldo1_volts[] = { |
ba08799e | 249 | REGULATOR_LINEAR_RANGE(3000000, 0x00, 0x03, 100000), |
a4bfc2c2 | 250 | REGULATOR_LINEAR_RANGE(1600000, 0x00, 0x03, 100000), |
ba08799e MV |
251 | }; |
252 | ||
a4bfc2c2 MV |
253 | static const unsigned int bd718xx_ldo1_volt_range_sel[] = { 0x0, 0x20 }; |
254 | ||
ba08799e MV |
255 | /* |
256 | * LDO2 | |
257 | * 0.8 or 0.9V | |
258 | */ | |
adb78a8e | 259 | static const unsigned int ldo_2_volts[] = { |
ba08799e MV |
260 | 900000, 800000 |
261 | }; | |
262 | ||
263 | /* | |
264 | * LDO3 | |
265 | * 1.8 to 3.3V (100mV step) | |
266 | */ | |
494edd26 | 267 | static const struct regulator_linear_range bd718xx_ldo3_volts[] = { |
ba08799e MV |
268 | REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000), |
269 | }; | |
270 | ||
271 | /* | |
272 | * LDO4 | |
273 | * 0.9 to 1.8V (100mV step) | |
274 | */ | |
494edd26 | 275 | static const struct regulator_linear_range bd718xx_ldo4_volts[] = { |
ba08799e | 276 | REGULATOR_LINEAR_RANGE(900000, 0x00, 0x09, 100000), |
ba08799e MV |
277 | }; |
278 | ||
279 | /* | |
494edd26 | 280 | * LDO5 for BD71837 |
ba08799e MV |
281 | * 1.8 to 3.3V (100mV step) |
282 | */ | |
a4bfc2c2 | 283 | static const struct regulator_linear_range bd71837_ldo5_volts[] = { |
ba08799e MV |
284 | REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000), |
285 | }; | |
286 | ||
a4bfc2c2 MV |
287 | /* |
288 | * LDO5 for BD71837 | |
289 | * 1.8 to 3.3V (100mV step) | |
290 | */ | |
291 | static const struct regulator_linear_range bd71847_ldo5_volts[] = { | |
292 | REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000), | |
293 | REGULATOR_LINEAR_RANGE(800000, 0x00, 0x0F, 100000), | |
294 | }; | |
295 | ||
296 | static const unsigned int bd71847_ldo5_volt_range_sel[] = { 0x0, 0x20 }; | |
297 | ||
ba08799e MV |
298 | /* |
299 | * LDO6 | |
300 | * 0.9 to 1.8V (100mV step) | |
301 | */ | |
494edd26 | 302 | static const struct regulator_linear_range bd718xx_ldo6_volts[] = { |
ba08799e | 303 | REGULATOR_LINEAR_RANGE(900000, 0x00, 0x09, 100000), |
ba08799e MV |
304 | }; |
305 | ||
306 | /* | |
307 | * LDO7 | |
308 | * 1.8 to 3.3V (100mV step) | |
309 | */ | |
494edd26 | 310 | static const struct regulator_linear_range bd71837_ldo7_volts[] = { |
ba08799e MV |
311 | REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000), |
312 | }; | |
313 | ||
494edd26 MV |
314 | struct reg_init { |
315 | unsigned int reg; | |
316 | unsigned int mask; | |
317 | unsigned int val; | |
318 | }; | |
319 | struct bd718xx_regulator_data { | |
320 | struct regulator_desc desc; | |
321 | const struct reg_init init; | |
322 | const struct reg_init *additional_inits; | |
323 | int additional_init_amnt; | |
324 | }; | |
325 | ||
326 | /* | |
327 | * There is a HW quirk in BD71837. The shutdown sequence timings for | |
328 | * bucks/LDOs which are controlled via register interface are changed. | |
329 | * At PMIC poweroff the voltage for BUCK6/7 is cut immediately at the | |
330 | * beginning of shut-down sequence. As bucks 6 and 7 are parent | |
331 | * supplies for LDO5 and LDO6 - this causes LDO5/6 voltage | |
332 | * monitoring to errorneously detect under voltage and force PMIC to | |
333 | * emergency state instead of poweroff. In order to avoid this we | |
334 | * disable voltage monitoring for LDO5 and LDO6 | |
335 | */ | |
336 | static const struct reg_init bd71837_ldo5_inits[] = { | |
337 | { | |
338 | .reg = BD718XX_REG_MVRFLTMASK2, | |
339 | .mask = BD718XX_LDO5_VRMON80, | |
340 | .val = BD718XX_LDO5_VRMON80, | |
341 | }, | |
342 | }; | |
343 | ||
344 | static const struct reg_init bd71837_ldo6_inits[] = { | |
345 | { | |
346 | .reg = BD718XX_REG_MVRFLTMASK2, | |
347 | .mask = BD718XX_LDO6_VRMON80, | |
348 | .val = BD718XX_LDO6_VRMON80, | |
349 | }, | |
350 | }; | |
351 | ||
049369d4 MV |
352 | #define NUM_DVS_BUCKS 4 |
353 | ||
354 | struct of_dvs_setting { | |
355 | const char *prop; | |
356 | unsigned int reg; | |
357 | }; | |
358 | ||
359 | static int set_dvs_levels(const struct of_dvs_setting *dvs, | |
360 | struct device_node *np, | |
361 | const struct regulator_desc *desc, | |
362 | struct regmap *regmap) | |
363 | { | |
364 | int ret, i; | |
365 | unsigned int uv; | |
366 | ||
367 | ret = of_property_read_u32(np, dvs->prop, &uv); | |
368 | if (ret) { | |
369 | if (ret != -EINVAL) | |
370 | return ret; | |
371 | return 0; | |
372 | } | |
373 | ||
374 | for (i = 0; i < desc->n_voltages; i++) { | |
375 | ret = regulator_desc_list_voltage_linear_range(desc, i); | |
376 | if (ret < 0) | |
377 | continue; | |
378 | if (ret == uv) { | |
379 | i <<= ffs(desc->vsel_mask) - 1; | |
380 | ret = regmap_update_bits(regmap, dvs->reg, | |
381 | DVS_BUCK_RUN_MASK, i); | |
382 | break; | |
383 | } | |
384 | } | |
385 | return ret; | |
386 | } | |
387 | ||
388 | static int buck4_set_hw_dvs_levels(struct device_node *np, | |
389 | const struct regulator_desc *desc, | |
390 | struct regulator_config *cfg) | |
391 | { | |
392 | int ret, i; | |
393 | const struct of_dvs_setting dvs[] = { | |
394 | { | |
395 | .prop = "rohm,dvs-run-voltage", | |
396 | .reg = BD71837_REG_BUCK4_VOLT_RUN, | |
397 | }, | |
398 | }; | |
399 | ||
400 | for (i = 0; i < ARRAY_SIZE(dvs); i++) { | |
401 | ret = set_dvs_levels(&dvs[i], np, desc, cfg->regmap); | |
402 | if (ret) | |
403 | break; | |
404 | } | |
405 | return ret; | |
406 | } | |
407 | static int buck3_set_hw_dvs_levels(struct device_node *np, | |
408 | const struct regulator_desc *desc, | |
409 | struct regulator_config *cfg) | |
410 | { | |
411 | int ret, i; | |
412 | const struct of_dvs_setting dvs[] = { | |
413 | { | |
414 | .prop = "rohm,dvs-run-voltage", | |
415 | .reg = BD71837_REG_BUCK3_VOLT_RUN, | |
416 | }, | |
417 | }; | |
418 | ||
419 | for (i = 0; i < ARRAY_SIZE(dvs); i++) { | |
420 | ret = set_dvs_levels(&dvs[i], np, desc, cfg->regmap); | |
421 | if (ret) | |
422 | break; | |
423 | } | |
424 | return ret; | |
425 | } | |
426 | ||
427 | static int buck2_set_hw_dvs_levels(struct device_node *np, | |
428 | const struct regulator_desc *desc, | |
429 | struct regulator_config *cfg) | |
430 | { | |
431 | int ret, i; | |
432 | const struct of_dvs_setting dvs[] = { | |
433 | { | |
434 | .prop = "rohm,dvs-run-voltage", | |
435 | .reg = BD718XX_REG_BUCK2_VOLT_RUN, | |
436 | }, | |
437 | { | |
438 | .prop = "rohm,dvs-idle-voltage", | |
439 | .reg = BD718XX_REG_BUCK2_VOLT_IDLE, | |
440 | }, | |
441 | }; | |
442 | ||
443 | ||
444 | ||
445 | for (i = 0; i < ARRAY_SIZE(dvs); i++) { | |
446 | ret = set_dvs_levels(&dvs[i], np, desc, cfg->regmap); | |
447 | if (ret) | |
448 | break; | |
449 | } | |
450 | return ret; | |
451 | } | |
452 | ||
453 | static int buck1_set_hw_dvs_levels(struct device_node *np, | |
454 | const struct regulator_desc *desc, | |
455 | struct regulator_config *cfg) | |
456 | { | |
457 | int ret, i; | |
458 | const struct of_dvs_setting dvs[] = { | |
459 | { | |
460 | .prop = "rohm,dvs-run-voltage", | |
461 | .reg = BD718XX_REG_BUCK1_VOLT_RUN, | |
462 | }, | |
463 | { | |
464 | .prop = "rohm,dvs-idle-voltage", | |
465 | .reg = BD718XX_REG_BUCK1_VOLT_IDLE, | |
466 | }, | |
467 | { | |
468 | .prop = "rohm,dvs-suspend-voltage", | |
469 | .reg = BD718XX_REG_BUCK1_VOLT_SUSP, | |
470 | }, | |
471 | }; | |
472 | ||
473 | for (i = 0; i < ARRAY_SIZE(dvs); i++) { | |
474 | ret = set_dvs_levels(&dvs[i], np, desc, cfg->regmap); | |
475 | if (ret) | |
476 | break; | |
477 | } | |
478 | return ret; | |
479 | } | |
480 | ||
494edd26 MV |
481 | static const struct bd718xx_regulator_data bd71847_regulators[] = { |
482 | { | |
483 | .desc = { | |
484 | .name = "buck1", | |
485 | .of_match = of_match_ptr("BUCK1"), | |
486 | .regulators_node = of_match_ptr("regulators"), | |
487 | .id = BD718XX_BUCK1, | |
488 | .ops = &bd718xx_dvs_buck_regulator_ops, | |
489 | .type = REGULATOR_VOLTAGE, | |
490 | .n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM, | |
491 | .linear_ranges = bd718xx_dvs_buck_volts, | |
492 | .n_linear_ranges = | |
493 | ARRAY_SIZE(bd718xx_dvs_buck_volts), | |
494 | .vsel_reg = BD718XX_REG_BUCK1_VOLT_RUN, | |
495 | .vsel_mask = DVS_BUCK_RUN_MASK, | |
496 | .enable_reg = BD718XX_REG_BUCK1_CTRL, | |
497 | .enable_mask = BD718XX_BUCK_EN, | |
498 | .owner = THIS_MODULE, | |
049369d4 | 499 | .of_parse_cb = buck1_set_hw_dvs_levels, |
494edd26 MV |
500 | }, |
501 | .init = { | |
502 | .reg = BD718XX_REG_BUCK1_CTRL, | |
503 | .mask = BD718XX_BUCK_SEL, | |
504 | .val = BD718XX_BUCK_SEL, | |
505 | }, | |
506 | }, | |
ba08799e | 507 | { |
494edd26 MV |
508 | .desc = { |
509 | .name = "buck2", | |
510 | .of_match = of_match_ptr("BUCK2"), | |
511 | .regulators_node = of_match_ptr("regulators"), | |
512 | .id = BD718XX_BUCK2, | |
513 | .ops = &bd718xx_dvs_buck_regulator_ops, | |
514 | .type = REGULATOR_VOLTAGE, | |
515 | .n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM, | |
516 | .linear_ranges = bd718xx_dvs_buck_volts, | |
517 | .n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts), | |
518 | .vsel_reg = BD718XX_REG_BUCK2_VOLT_RUN, | |
519 | .vsel_mask = DVS_BUCK_RUN_MASK, | |
520 | .enable_reg = BD718XX_REG_BUCK2_CTRL, | |
521 | .enable_mask = BD718XX_BUCK_EN, | |
522 | .owner = THIS_MODULE, | |
049369d4 | 523 | .of_parse_cb = buck2_set_hw_dvs_levels, |
494edd26 MV |
524 | }, |
525 | .init = { | |
526 | .reg = BD718XX_REG_BUCK2_CTRL, | |
527 | .mask = BD718XX_BUCK_SEL, | |
528 | .val = BD718XX_BUCK_SEL, | |
529 | }, | |
ba08799e MV |
530 | }, |
531 | { | |
494edd26 MV |
532 | .desc = { |
533 | .name = "buck3", | |
534 | .of_match = of_match_ptr("BUCK3"), | |
535 | .regulators_node = of_match_ptr("regulators"), | |
536 | .id = BD718XX_BUCK3, | |
a4bfc2c2 | 537 | .ops = &bd718xx_pickable_range_buck_ops, |
494edd26 | 538 | .type = REGULATOR_VOLTAGE, |
a4bfc2c2 MV |
539 | .n_voltages = BD71847_BUCK3_VOLTAGE_NUM, |
540 | .linear_ranges = bd71847_buck3_volts, | |
494edd26 | 541 | .n_linear_ranges = |
a4bfc2c2 | 542 | ARRAY_SIZE(bd71847_buck3_volts), |
494edd26 MV |
543 | .vsel_reg = BD718XX_REG_1ST_NODVS_BUCK_VOLT, |
544 | .vsel_mask = BD718XX_1ST_NODVS_BUCK_MASK, | |
a4bfc2c2 MV |
545 | .vsel_range_reg = BD718XX_REG_1ST_NODVS_BUCK_VOLT, |
546 | .vsel_range_mask = BD71847_BUCK3_RANGE_MASK, | |
547 | .linear_range_selectors = bd71847_buck3_volt_range_sel, | |
494edd26 MV |
548 | .enable_reg = BD718XX_REG_1ST_NODVS_BUCK_CTRL, |
549 | .enable_mask = BD718XX_BUCK_EN, | |
550 | .owner = THIS_MODULE, | |
551 | }, | |
552 | .init = { | |
553 | .reg = BD718XX_REG_1ST_NODVS_BUCK_CTRL, | |
554 | .mask = BD718XX_BUCK_SEL, | |
555 | .val = BD718XX_BUCK_SEL, | |
556 | }, | |
ba08799e MV |
557 | }, |
558 | { | |
494edd26 MV |
559 | .desc = { |
560 | .name = "buck4", | |
561 | .of_match = of_match_ptr("BUCK4"), | |
562 | .regulators_node = of_match_ptr("regulators"), | |
563 | .id = BD718XX_BUCK4, | |
a4bfc2c2 | 564 | .ops = &bd718xx_pickable_range_buck_ops, |
494edd26 MV |
565 | .type = REGULATOR_VOLTAGE, |
566 | .n_voltages = BD71847_BUCK4_VOLTAGE_NUM, | |
a4bfc2c2 | 567 | .linear_ranges = bd71847_buck4_volts, |
494edd26 | 568 | .n_linear_ranges = |
a4bfc2c2 | 569 | ARRAY_SIZE(bd71847_buck4_volts), |
494edd26 MV |
570 | .enable_reg = BD718XX_REG_2ND_NODVS_BUCK_CTRL, |
571 | .vsel_reg = BD718XX_REG_2ND_NODVS_BUCK_VOLT, | |
572 | .vsel_mask = BD71847_BUCK4_MASK, | |
a4bfc2c2 MV |
573 | .vsel_range_reg = BD718XX_REG_2ND_NODVS_BUCK_VOLT, |
574 | .vsel_range_mask = BD71847_BUCK4_RANGE_MASK, | |
575 | .linear_range_selectors = bd71847_buck4_volt_range_sel, | |
494edd26 MV |
576 | .enable_mask = BD718XX_BUCK_EN, |
577 | .owner = THIS_MODULE, | |
578 | }, | |
579 | .init = { | |
580 | .reg = BD718XX_REG_2ND_NODVS_BUCK_CTRL, | |
581 | .mask = BD718XX_BUCK_SEL, | |
582 | .val = BD718XX_BUCK_SEL, | |
583 | }, | |
ba08799e MV |
584 | }, |
585 | { | |
494edd26 MV |
586 | .desc = { |
587 | .name = "buck5", | |
588 | .of_match = of_match_ptr("BUCK5"), | |
dd2be639 | 589 | .regulators_node = of_match_ptr("regulators"), |
494edd26 MV |
590 | .id = BD718XX_BUCK5, |
591 | .ops = &bd718xx_buck_regulator_nolinear_ops, | |
592 | .type = REGULATOR_VOLTAGE, | |
593 | .volt_table = &bd718xx_3rd_nodvs_buck_volts[0], | |
594 | .n_voltages = ARRAY_SIZE(bd718xx_3rd_nodvs_buck_volts), | |
595 | .vsel_reg = BD718XX_REG_3RD_NODVS_BUCK_VOLT, | |
596 | .vsel_mask = BD718XX_3RD_NODVS_BUCK_MASK, | |
597 | .enable_reg = BD718XX_REG_3RD_NODVS_BUCK_CTRL, | |
598 | .enable_mask = BD718XX_BUCK_EN, | |
599 | .owner = THIS_MODULE, | |
600 | }, | |
601 | .init = { | |
602 | .reg = BD718XX_REG_3RD_NODVS_BUCK_CTRL, | |
603 | .mask = BD718XX_BUCK_SEL, | |
604 | .val = BD718XX_BUCK_SEL, | |
605 | }, | |
ba08799e MV |
606 | }, |
607 | { | |
494edd26 MV |
608 | .desc = { |
609 | .name = "buck6", | |
610 | .of_match = of_match_ptr("BUCK6"), | |
611 | .regulators_node = of_match_ptr("regulators"), | |
612 | .id = BD718XX_BUCK6, | |
613 | .ops = &bd718xx_buck_regulator_ops, | |
614 | .type = REGULATOR_VOLTAGE, | |
dd2be639 | 615 | .n_voltages = BD718XX_4TH_NODVS_BUCK_VOLTAGE_NUM, |
494edd26 MV |
616 | .linear_ranges = bd718xx_4th_nodvs_buck_volts, |
617 | .n_linear_ranges = | |
618 | ARRAY_SIZE(bd718xx_4th_nodvs_buck_volts), | |
619 | .vsel_reg = BD718XX_REG_4TH_NODVS_BUCK_VOLT, | |
620 | .vsel_mask = BD718XX_4TH_NODVS_BUCK_MASK, | |
621 | .enable_reg = BD718XX_REG_4TH_NODVS_BUCK_CTRL, | |
622 | .enable_mask = BD718XX_BUCK_EN, | |
623 | .owner = THIS_MODULE, | |
624 | }, | |
625 | .init = { | |
626 | .reg = BD718XX_REG_4TH_NODVS_BUCK_CTRL, | |
627 | .mask = BD718XX_BUCK_SEL, | |
628 | .val = BD718XX_BUCK_SEL, | |
629 | }, | |
ba08799e MV |
630 | }, |
631 | { | |
494edd26 MV |
632 | .desc = { |
633 | .name = "ldo1", | |
634 | .of_match = of_match_ptr("LDO1"), | |
635 | .regulators_node = of_match_ptr("regulators"), | |
636 | .id = BD718XX_LDO1, | |
a4bfc2c2 | 637 | .ops = &bd718xx_pickable_range_ldo_ops, |
494edd26 MV |
638 | .type = REGULATOR_VOLTAGE, |
639 | .n_voltages = BD718XX_LDO1_VOLTAGE_NUM, | |
640 | .linear_ranges = bd718xx_ldo1_volts, | |
641 | .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo1_volts), | |
642 | .vsel_reg = BD718XX_REG_LDO1_VOLT, | |
643 | .vsel_mask = BD718XX_LDO1_MASK, | |
a4bfc2c2 MV |
644 | .vsel_range_reg = BD718XX_REG_LDO1_VOLT, |
645 | .vsel_range_mask = BD718XX_LDO1_RANGE_MASK, | |
646 | .linear_range_selectors = bd718xx_ldo1_volt_range_sel, | |
494edd26 MV |
647 | .enable_reg = BD718XX_REG_LDO1_VOLT, |
648 | .enable_mask = BD718XX_LDO_EN, | |
649 | .owner = THIS_MODULE, | |
650 | }, | |
651 | .init = { | |
652 | .reg = BD718XX_REG_LDO1_VOLT, | |
653 | .mask = BD718XX_LDO_SEL, | |
654 | .val = BD718XX_LDO_SEL, | |
655 | }, | |
ba08799e MV |
656 | }, |
657 | { | |
494edd26 MV |
658 | .desc = { |
659 | .name = "ldo2", | |
660 | .of_match = of_match_ptr("LDO2"), | |
661 | .regulators_node = of_match_ptr("regulators"), | |
662 | .id = BD718XX_LDO2, | |
663 | .ops = &bd718xx_ldo_regulator_nolinear_ops, | |
664 | .type = REGULATOR_VOLTAGE, | |
665 | .volt_table = &ldo_2_volts[0], | |
666 | .vsel_reg = BD718XX_REG_LDO2_VOLT, | |
667 | .vsel_mask = BD718XX_LDO2_MASK, | |
668 | .n_voltages = ARRAY_SIZE(ldo_2_volts), | |
669 | .enable_reg = BD718XX_REG_LDO2_VOLT, | |
670 | .enable_mask = BD718XX_LDO_EN, | |
671 | .owner = THIS_MODULE, | |
672 | }, | |
673 | .init = { | |
674 | .reg = BD718XX_REG_LDO2_VOLT, | |
675 | .mask = BD718XX_LDO_SEL, | |
676 | .val = BD718XX_LDO_SEL, | |
677 | }, | |
ba08799e MV |
678 | }, |
679 | { | |
494edd26 MV |
680 | .desc = { |
681 | .name = "ldo3", | |
682 | .of_match = of_match_ptr("LDO3"), | |
683 | .regulators_node = of_match_ptr("regulators"), | |
684 | .id = BD718XX_LDO3, | |
685 | .ops = &bd718xx_ldo_regulator_ops, | |
686 | .type = REGULATOR_VOLTAGE, | |
687 | .n_voltages = BD718XX_LDO3_VOLTAGE_NUM, | |
688 | .linear_ranges = bd718xx_ldo3_volts, | |
689 | .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo3_volts), | |
690 | .vsel_reg = BD718XX_REG_LDO3_VOLT, | |
691 | .vsel_mask = BD718XX_LDO3_MASK, | |
692 | .enable_reg = BD718XX_REG_LDO3_VOLT, | |
693 | .enable_mask = BD718XX_LDO_EN, | |
694 | .owner = THIS_MODULE, | |
695 | }, | |
696 | .init = { | |
697 | .reg = BD718XX_REG_LDO3_VOLT, | |
698 | .mask = BD718XX_LDO_SEL, | |
699 | .val = BD718XX_LDO_SEL, | |
700 | }, | |
ba08799e MV |
701 | }, |
702 | { | |
494edd26 MV |
703 | .desc = { |
704 | .name = "ldo4", | |
705 | .of_match = of_match_ptr("LDO4"), | |
706 | .regulators_node = of_match_ptr("regulators"), | |
707 | .id = BD718XX_LDO4, | |
708 | .ops = &bd718xx_ldo_regulator_ops, | |
709 | .type = REGULATOR_VOLTAGE, | |
710 | .n_voltages = BD718XX_LDO4_VOLTAGE_NUM, | |
711 | .linear_ranges = bd718xx_ldo4_volts, | |
712 | .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo4_volts), | |
713 | .vsel_reg = BD718XX_REG_LDO4_VOLT, | |
714 | .vsel_mask = BD718XX_LDO4_MASK, | |
715 | .enable_reg = BD718XX_REG_LDO4_VOLT, | |
716 | .enable_mask = BD718XX_LDO_EN, | |
717 | .owner = THIS_MODULE, | |
718 | }, | |
719 | .init = { | |
720 | .reg = BD718XX_REG_LDO4_VOLT, | |
721 | .mask = BD718XX_LDO_SEL, | |
722 | .val = BD718XX_LDO_SEL, | |
723 | }, | |
ba08799e MV |
724 | }, |
725 | { | |
494edd26 MV |
726 | .desc = { |
727 | .name = "ldo5", | |
728 | .of_match = of_match_ptr("LDO5"), | |
729 | .regulators_node = of_match_ptr("regulators"), | |
730 | .id = BD718XX_LDO5, | |
a4bfc2c2 | 731 | .ops = &bd718xx_pickable_range_ldo_ops, |
494edd26 | 732 | .type = REGULATOR_VOLTAGE, |
a4bfc2c2 MV |
733 | .n_voltages = BD71847_LDO5_VOLTAGE_NUM, |
734 | .linear_ranges = bd71847_ldo5_volts, | |
735 | .n_linear_ranges = ARRAY_SIZE(bd71847_ldo5_volts), | |
494edd26 MV |
736 | .vsel_reg = BD718XX_REG_LDO5_VOLT, |
737 | .vsel_mask = BD71847_LDO5_MASK, | |
a4bfc2c2 MV |
738 | .vsel_range_reg = BD718XX_REG_LDO5_VOLT, |
739 | .vsel_range_mask = BD71847_LDO5_RANGE_MASK, | |
740 | .linear_range_selectors = bd71847_ldo5_volt_range_sel, | |
494edd26 MV |
741 | .enable_reg = BD718XX_REG_LDO5_VOLT, |
742 | .enable_mask = BD718XX_LDO_EN, | |
743 | .owner = THIS_MODULE, | |
744 | }, | |
745 | .init = { | |
746 | .reg = BD718XX_REG_LDO5_VOLT, | |
747 | .mask = BD718XX_LDO_SEL, | |
748 | .val = BD718XX_LDO_SEL, | |
749 | }, | |
ba08799e MV |
750 | }, |
751 | { | |
494edd26 MV |
752 | .desc = { |
753 | .name = "ldo6", | |
754 | .of_match = of_match_ptr("LDO6"), | |
755 | .regulators_node = of_match_ptr("regulators"), | |
756 | .id = BD718XX_LDO6, | |
757 | .ops = &bd718xx_ldo_regulator_ops, | |
758 | .type = REGULATOR_VOLTAGE, | |
759 | .n_voltages = BD718XX_LDO6_VOLTAGE_NUM, | |
760 | .linear_ranges = bd718xx_ldo6_volts, | |
761 | .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo6_volts), | |
762 | /* LDO6 is supplied by buck5 */ | |
763 | .supply_name = "buck5", | |
764 | .vsel_reg = BD718XX_REG_LDO6_VOLT, | |
765 | .vsel_mask = BD718XX_LDO6_MASK, | |
766 | .enable_reg = BD718XX_REG_LDO6_VOLT, | |
767 | .enable_mask = BD718XX_LDO_EN, | |
768 | .owner = THIS_MODULE, | |
769 | }, | |
770 | .init = { | |
771 | .reg = BD718XX_REG_LDO6_VOLT, | |
772 | .mask = BD718XX_LDO_SEL, | |
773 | .val = BD718XX_LDO_SEL, | |
774 | }, | |
775 | }, | |
776 | }; | |
777 | ||
778 | static const struct bd718xx_regulator_data bd71837_regulators[] = { | |
779 | { | |
780 | .desc = { | |
781 | .name = "buck1", | |
782 | .of_match = of_match_ptr("BUCK1"), | |
783 | .regulators_node = of_match_ptr("regulators"), | |
784 | .id = BD718XX_BUCK1, | |
785 | .ops = &bd718xx_dvs_buck_regulator_ops, | |
786 | .type = REGULATOR_VOLTAGE, | |
787 | .n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM, | |
788 | .linear_ranges = bd718xx_dvs_buck_volts, | |
789 | .n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts), | |
790 | .vsel_reg = BD718XX_REG_BUCK1_VOLT_RUN, | |
791 | .vsel_mask = DVS_BUCK_RUN_MASK, | |
792 | .enable_reg = BD718XX_REG_BUCK1_CTRL, | |
793 | .enable_mask = BD718XX_BUCK_EN, | |
794 | .owner = THIS_MODULE, | |
049369d4 | 795 | .of_parse_cb = buck1_set_hw_dvs_levels, |
494edd26 MV |
796 | }, |
797 | .init = { | |
798 | .reg = BD718XX_REG_BUCK1_CTRL, | |
799 | .mask = BD718XX_BUCK_SEL, | |
800 | .val = BD718XX_BUCK_SEL, | |
801 | }, | |
802 | }, | |
803 | { | |
804 | .desc = { | |
805 | .name = "buck2", | |
806 | .of_match = of_match_ptr("BUCK2"), | |
807 | .regulators_node = of_match_ptr("regulators"), | |
808 | .id = BD718XX_BUCK2, | |
809 | .ops = &bd718xx_dvs_buck_regulator_ops, | |
810 | .type = REGULATOR_VOLTAGE, | |
811 | .n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM, | |
812 | .linear_ranges = bd718xx_dvs_buck_volts, | |
813 | .n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts), | |
814 | .vsel_reg = BD718XX_REG_BUCK2_VOLT_RUN, | |
815 | .vsel_mask = DVS_BUCK_RUN_MASK, | |
816 | .enable_reg = BD718XX_REG_BUCK2_CTRL, | |
817 | .enable_mask = BD718XX_BUCK_EN, | |
818 | .owner = THIS_MODULE, | |
049369d4 | 819 | .of_parse_cb = buck2_set_hw_dvs_levels, |
494edd26 MV |
820 | }, |
821 | .init = { | |
822 | .reg = BD718XX_REG_BUCK2_CTRL, | |
823 | .mask = BD718XX_BUCK_SEL, | |
824 | .val = BD718XX_BUCK_SEL, | |
825 | }, | |
826 | }, | |
827 | { | |
828 | .desc = { | |
829 | .name = "buck3", | |
830 | .of_match = of_match_ptr("BUCK3"), | |
831 | .regulators_node = of_match_ptr("regulators"), | |
832 | .id = BD718XX_BUCK3, | |
833 | .ops = &bd718xx_dvs_buck_regulator_ops, | |
834 | .type = REGULATOR_VOLTAGE, | |
835 | .n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM, | |
836 | .linear_ranges = bd718xx_dvs_buck_volts, | |
837 | .n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts), | |
838 | .vsel_reg = BD71837_REG_BUCK3_VOLT_RUN, | |
839 | .vsel_mask = DVS_BUCK_RUN_MASK, | |
840 | .enable_reg = BD71837_REG_BUCK3_CTRL, | |
841 | .enable_mask = BD718XX_BUCK_EN, | |
842 | .owner = THIS_MODULE, | |
049369d4 | 843 | .of_parse_cb = buck3_set_hw_dvs_levels, |
494edd26 MV |
844 | }, |
845 | .init = { | |
846 | .reg = BD71837_REG_BUCK3_CTRL, | |
847 | .mask = BD718XX_BUCK_SEL, | |
848 | .val = BD718XX_BUCK_SEL, | |
849 | }, | |
850 | }, | |
851 | { | |
852 | .desc = { | |
853 | .name = "buck4", | |
854 | .of_match = of_match_ptr("BUCK4"), | |
855 | .regulators_node = of_match_ptr("regulators"), | |
856 | .id = BD718XX_BUCK4, | |
857 | .ops = &bd718xx_dvs_buck_regulator_ops, | |
858 | .type = REGULATOR_VOLTAGE, | |
859 | .n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM, | |
860 | .linear_ranges = bd718xx_dvs_buck_volts, | |
861 | .n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts), | |
862 | .vsel_reg = BD71837_REG_BUCK4_VOLT_RUN, | |
863 | .vsel_mask = DVS_BUCK_RUN_MASK, | |
864 | .enable_reg = BD71837_REG_BUCK4_CTRL, | |
865 | .enable_mask = BD718XX_BUCK_EN, | |
866 | .owner = THIS_MODULE, | |
049369d4 | 867 | .of_parse_cb = buck4_set_hw_dvs_levels, |
494edd26 MV |
868 | }, |
869 | .init = { | |
870 | .reg = BD71837_REG_BUCK4_CTRL, | |
871 | .mask = BD718XX_BUCK_SEL, | |
872 | .val = BD718XX_BUCK_SEL, | |
873 | }, | |
ba08799e MV |
874 | }, |
875 | { | |
494edd26 MV |
876 | .desc = { |
877 | .name = "buck5", | |
878 | .of_match = of_match_ptr("BUCK5"), | |
879 | .regulators_node = of_match_ptr("regulators"), | |
880 | .id = BD718XX_BUCK5, | |
a4bfc2c2 | 881 | .ops = &bd718xx_pickable_range_buck_ops, |
494edd26 | 882 | .type = REGULATOR_VOLTAGE, |
a4bfc2c2 MV |
883 | .n_voltages = BD71837_BUCK5_VOLTAGE_NUM, |
884 | .linear_ranges = bd71837_buck5_volts, | |
494edd26 | 885 | .n_linear_ranges = |
a4bfc2c2 | 886 | ARRAY_SIZE(bd71837_buck5_volts), |
494edd26 | 887 | .vsel_reg = BD718XX_REG_1ST_NODVS_BUCK_VOLT, |
a4bfc2c2 MV |
888 | .vsel_mask = BD71837_BUCK5_MASK, |
889 | .vsel_range_reg = BD718XX_REG_1ST_NODVS_BUCK_VOLT, | |
890 | .vsel_range_mask = BD71837_BUCK5_RANGE_MASK, | |
891 | .linear_range_selectors = bd71837_buck5_volt_range_sel, | |
494edd26 MV |
892 | .enable_reg = BD718XX_REG_1ST_NODVS_BUCK_CTRL, |
893 | .enable_mask = BD718XX_BUCK_EN, | |
894 | .owner = THIS_MODULE, | |
895 | }, | |
896 | .init = { | |
897 | .reg = BD718XX_REG_1ST_NODVS_BUCK_CTRL, | |
898 | .mask = BD718XX_BUCK_SEL, | |
899 | .val = BD718XX_BUCK_SEL, | |
900 | }, | |
ba08799e MV |
901 | }, |
902 | { | |
494edd26 MV |
903 | .desc = { |
904 | .name = "buck6", | |
905 | .of_match = of_match_ptr("BUCK6"), | |
906 | .regulators_node = of_match_ptr("regulators"), | |
907 | .id = BD718XX_BUCK6, | |
908 | .ops = &bd718xx_buck_regulator_ops, | |
909 | .type = REGULATOR_VOLTAGE, | |
910 | .n_voltages = BD71837_BUCK6_VOLTAGE_NUM, | |
a4bfc2c2 | 911 | .linear_ranges = bd71837_buck6_volts, |
494edd26 | 912 | .n_linear_ranges = |
a4bfc2c2 | 913 | ARRAY_SIZE(bd71837_buck6_volts), |
494edd26 MV |
914 | .vsel_reg = BD718XX_REG_2ND_NODVS_BUCK_VOLT, |
915 | .vsel_mask = BD71837_BUCK6_MASK, | |
916 | .enable_reg = BD718XX_REG_2ND_NODVS_BUCK_CTRL, | |
917 | .enable_mask = BD718XX_BUCK_EN, | |
918 | .owner = THIS_MODULE, | |
919 | }, | |
920 | .init = { | |
921 | .reg = BD718XX_REG_2ND_NODVS_BUCK_CTRL, | |
922 | .mask = BD718XX_BUCK_SEL, | |
923 | .val = BD718XX_BUCK_SEL, | |
924 | }, | |
ba08799e MV |
925 | }, |
926 | { | |
494edd26 MV |
927 | .desc = { |
928 | .name = "buck7", | |
929 | .of_match = of_match_ptr("BUCK7"), | |
930 | .regulators_node = of_match_ptr("regulators"), | |
931 | .id = BD718XX_BUCK7, | |
932 | .ops = &bd718xx_buck_regulator_nolinear_ops, | |
933 | .type = REGULATOR_VOLTAGE, | |
934 | .volt_table = &bd718xx_3rd_nodvs_buck_volts[0], | |
935 | .n_voltages = ARRAY_SIZE(bd718xx_3rd_nodvs_buck_volts), | |
936 | .vsel_reg = BD718XX_REG_3RD_NODVS_BUCK_VOLT, | |
937 | .vsel_mask = BD718XX_3RD_NODVS_BUCK_MASK, | |
938 | .enable_reg = BD718XX_REG_3RD_NODVS_BUCK_CTRL, | |
939 | .enable_mask = BD718XX_BUCK_EN, | |
940 | .owner = THIS_MODULE, | |
941 | }, | |
942 | .init = { | |
943 | .reg = BD718XX_REG_3RD_NODVS_BUCK_CTRL, | |
944 | .mask = BD718XX_BUCK_SEL, | |
945 | .val = BD718XX_BUCK_SEL, | |
946 | }, | |
ba08799e MV |
947 | }, |
948 | { | |
494edd26 MV |
949 | .desc = { |
950 | .name = "buck8", | |
951 | .of_match = of_match_ptr("BUCK8"), | |
952 | .regulators_node = of_match_ptr("regulators"), | |
953 | .id = BD718XX_BUCK8, | |
954 | .ops = &bd718xx_buck_regulator_ops, | |
955 | .type = REGULATOR_VOLTAGE, | |
dd2be639 | 956 | .n_voltages = BD718XX_4TH_NODVS_BUCK_VOLTAGE_NUM, |
494edd26 MV |
957 | .linear_ranges = bd718xx_4th_nodvs_buck_volts, |
958 | .n_linear_ranges = | |
959 | ARRAY_SIZE(bd718xx_4th_nodvs_buck_volts), | |
960 | .vsel_reg = BD718XX_REG_4TH_NODVS_BUCK_VOLT, | |
961 | .vsel_mask = BD718XX_4TH_NODVS_BUCK_MASK, | |
962 | .enable_reg = BD718XX_REG_4TH_NODVS_BUCK_CTRL, | |
963 | .enable_mask = BD718XX_BUCK_EN, | |
964 | .owner = THIS_MODULE, | |
965 | }, | |
966 | .init = { | |
967 | .reg = BD718XX_REG_4TH_NODVS_BUCK_CTRL, | |
968 | .mask = BD718XX_BUCK_SEL, | |
969 | .val = BD718XX_BUCK_SEL, | |
970 | }, | |
971 | }, | |
972 | { | |
973 | .desc = { | |
974 | .name = "ldo1", | |
975 | .of_match = of_match_ptr("LDO1"), | |
976 | .regulators_node = of_match_ptr("regulators"), | |
977 | .id = BD718XX_LDO1, | |
a4bfc2c2 | 978 | .ops = &bd718xx_pickable_range_ldo_ops, |
494edd26 MV |
979 | .type = REGULATOR_VOLTAGE, |
980 | .n_voltages = BD718XX_LDO1_VOLTAGE_NUM, | |
981 | .linear_ranges = bd718xx_ldo1_volts, | |
982 | .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo1_volts), | |
983 | .vsel_reg = BD718XX_REG_LDO1_VOLT, | |
984 | .vsel_mask = BD718XX_LDO1_MASK, | |
a4bfc2c2 MV |
985 | .vsel_range_reg = BD718XX_REG_LDO1_VOLT, |
986 | .vsel_range_mask = BD718XX_LDO1_RANGE_MASK, | |
987 | .linear_range_selectors = bd718xx_ldo1_volt_range_sel, | |
494edd26 MV |
988 | .enable_reg = BD718XX_REG_LDO1_VOLT, |
989 | .enable_mask = BD718XX_LDO_EN, | |
990 | .owner = THIS_MODULE, | |
991 | }, | |
992 | .init = { | |
993 | .reg = BD718XX_REG_LDO1_VOLT, | |
994 | .mask = BD718XX_LDO_SEL, | |
995 | .val = BD718XX_LDO_SEL, | |
996 | }, | |
997 | }, | |
998 | { | |
999 | .desc = { | |
1000 | .name = "ldo2", | |
1001 | .of_match = of_match_ptr("LDO2"), | |
1002 | .regulators_node = of_match_ptr("regulators"), | |
1003 | .id = BD718XX_LDO2, | |
1004 | .ops = &bd718xx_ldo_regulator_nolinear_ops, | |
1005 | .type = REGULATOR_VOLTAGE, | |
1006 | .volt_table = &ldo_2_volts[0], | |
1007 | .vsel_reg = BD718XX_REG_LDO2_VOLT, | |
1008 | .vsel_mask = BD718XX_LDO2_MASK, | |
1009 | .n_voltages = ARRAY_SIZE(ldo_2_volts), | |
1010 | .enable_reg = BD718XX_REG_LDO2_VOLT, | |
1011 | .enable_mask = BD718XX_LDO_EN, | |
1012 | .owner = THIS_MODULE, | |
1013 | }, | |
1014 | .init = { | |
1015 | .reg = BD718XX_REG_LDO2_VOLT, | |
1016 | .mask = BD718XX_LDO_SEL, | |
1017 | .val = BD718XX_LDO_SEL, | |
1018 | }, | |
1019 | }, | |
1020 | { | |
1021 | .desc = { | |
1022 | .name = "ldo3", | |
1023 | .of_match = of_match_ptr("LDO3"), | |
1024 | .regulators_node = of_match_ptr("regulators"), | |
1025 | .id = BD718XX_LDO3, | |
1026 | .ops = &bd718xx_ldo_regulator_ops, | |
1027 | .type = REGULATOR_VOLTAGE, | |
1028 | .n_voltages = BD718XX_LDO3_VOLTAGE_NUM, | |
1029 | .linear_ranges = bd718xx_ldo3_volts, | |
1030 | .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo3_volts), | |
1031 | .vsel_reg = BD718XX_REG_LDO3_VOLT, | |
1032 | .vsel_mask = BD718XX_LDO3_MASK, | |
1033 | .enable_reg = BD718XX_REG_LDO3_VOLT, | |
1034 | .enable_mask = BD718XX_LDO_EN, | |
1035 | .owner = THIS_MODULE, | |
1036 | }, | |
1037 | .init = { | |
1038 | .reg = BD718XX_REG_LDO3_VOLT, | |
1039 | .mask = BD718XX_LDO_SEL, | |
1040 | .val = BD718XX_LDO_SEL, | |
1041 | }, | |
1042 | }, | |
1043 | { | |
1044 | .desc = { | |
1045 | .name = "ldo4", | |
1046 | .of_match = of_match_ptr("LDO4"), | |
1047 | .regulators_node = of_match_ptr("regulators"), | |
1048 | .id = BD718XX_LDO4, | |
1049 | .ops = &bd718xx_ldo_regulator_ops, | |
1050 | .type = REGULATOR_VOLTAGE, | |
1051 | .n_voltages = BD718XX_LDO4_VOLTAGE_NUM, | |
1052 | .linear_ranges = bd718xx_ldo4_volts, | |
1053 | .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo4_volts), | |
1054 | .vsel_reg = BD718XX_REG_LDO4_VOLT, | |
1055 | .vsel_mask = BD718XX_LDO4_MASK, | |
1056 | .enable_reg = BD718XX_REG_LDO4_VOLT, | |
1057 | .enable_mask = BD718XX_LDO_EN, | |
1058 | .owner = THIS_MODULE, | |
1059 | }, | |
1060 | .init = { | |
1061 | .reg = BD718XX_REG_LDO4_VOLT, | |
1062 | .mask = BD718XX_LDO_SEL, | |
1063 | .val = BD718XX_LDO_SEL, | |
1064 | }, | |
1065 | }, | |
1066 | { | |
1067 | .desc = { | |
1068 | .name = "ldo5", | |
1069 | .of_match = of_match_ptr("LDO5"), | |
1070 | .regulators_node = of_match_ptr("regulators"), | |
1071 | .id = BD718XX_LDO5, | |
1072 | .ops = &bd718xx_ldo_regulator_ops, | |
1073 | .type = REGULATOR_VOLTAGE, | |
a4bfc2c2 MV |
1074 | .n_voltages = BD71837_LDO5_VOLTAGE_NUM, |
1075 | .linear_ranges = bd71837_ldo5_volts, | |
1076 | .n_linear_ranges = ARRAY_SIZE(bd71837_ldo5_volts), | |
494edd26 MV |
1077 | /* LDO5 is supplied by buck6 */ |
1078 | .supply_name = "buck6", | |
1079 | .vsel_reg = BD718XX_REG_LDO5_VOLT, | |
1080 | .vsel_mask = BD71837_LDO5_MASK, | |
1081 | .enable_reg = BD718XX_REG_LDO5_VOLT, | |
1082 | .enable_mask = BD718XX_LDO_EN, | |
1083 | .owner = THIS_MODULE, | |
1084 | }, | |
1085 | .init = { | |
1086 | .reg = BD718XX_REG_LDO5_VOLT, | |
1087 | .mask = BD718XX_LDO_SEL, | |
1088 | .val = BD718XX_LDO_SEL, | |
1089 | }, | |
1090 | .additional_inits = bd71837_ldo5_inits, | |
1091 | .additional_init_amnt = ARRAY_SIZE(bd71837_ldo5_inits), | |
1092 | }, | |
1093 | { | |
1094 | .desc = { | |
1095 | .name = "ldo6", | |
1096 | .of_match = of_match_ptr("LDO6"), | |
1097 | .regulators_node = of_match_ptr("regulators"), | |
1098 | .id = BD718XX_LDO6, | |
1099 | .ops = &bd718xx_ldo_regulator_ops, | |
1100 | .type = REGULATOR_VOLTAGE, | |
1101 | .n_voltages = BD718XX_LDO6_VOLTAGE_NUM, | |
1102 | .linear_ranges = bd718xx_ldo6_volts, | |
1103 | .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo6_volts), | |
1104 | /* LDO6 is supplied by buck7 */ | |
1105 | .supply_name = "buck7", | |
1106 | .vsel_reg = BD718XX_REG_LDO6_VOLT, | |
1107 | .vsel_mask = BD718XX_LDO6_MASK, | |
1108 | .enable_reg = BD718XX_REG_LDO6_VOLT, | |
1109 | .enable_mask = BD718XX_LDO_EN, | |
1110 | .owner = THIS_MODULE, | |
1111 | }, | |
1112 | .init = { | |
1113 | .reg = BD718XX_REG_LDO6_VOLT, | |
1114 | .mask = BD718XX_LDO_SEL, | |
1115 | .val = BD718XX_LDO_SEL, | |
1116 | }, | |
1117 | .additional_inits = bd71837_ldo6_inits, | |
1118 | .additional_init_amnt = ARRAY_SIZE(bd71837_ldo6_inits), | |
1119 | }, | |
1120 | { | |
1121 | .desc = { | |
1122 | .name = "ldo7", | |
1123 | .of_match = of_match_ptr("LDO7"), | |
1124 | .regulators_node = of_match_ptr("regulators"), | |
1125 | .id = BD718XX_LDO7, | |
1126 | .ops = &bd718xx_ldo_regulator_ops, | |
1127 | .type = REGULATOR_VOLTAGE, | |
1128 | .n_voltages = BD71837_LDO7_VOLTAGE_NUM, | |
1129 | .linear_ranges = bd71837_ldo7_volts, | |
1130 | .n_linear_ranges = ARRAY_SIZE(bd71837_ldo7_volts), | |
1131 | .vsel_reg = BD71837_REG_LDO7_VOLT, | |
1132 | .vsel_mask = BD71837_LDO7_MASK, | |
1133 | .enable_reg = BD71837_REG_LDO7_VOLT, | |
1134 | .enable_mask = BD718XX_LDO_EN, | |
1135 | .owner = THIS_MODULE, | |
1136 | }, | |
1137 | .init = { | |
1138 | .reg = BD71837_REG_LDO7_VOLT, | |
1139 | .mask = BD718XX_LDO_SEL, | |
1140 | .val = BD718XX_LDO_SEL, | |
1141 | }, | |
ba08799e MV |
1142 | }, |
1143 | }; | |
1144 | ||
494edd26 | 1145 | struct bd718xx_pmic_inits { |
de226ebd | 1146 | const struct bd718xx_regulator_data *r_datas; |
494edd26 | 1147 | unsigned int r_amount; |
ba08799e MV |
1148 | }; |
1149 | ||
dd2be639 | 1150 | static int bd718xx_probe(struct platform_device *pdev) |
ba08799e | 1151 | { |
bcb047eb | 1152 | struct bd718xx *mfd; |
ba08799e | 1153 | struct regulator_config config = { 0 }; |
2a6a7aac MV |
1154 | struct bd718xx_pmic_inits pmic_regulators[ROHM_CHIP_TYPE_AMOUNT] = { |
1155 | [ROHM_CHIP_TYPE_BD71837] = { | |
de226ebd | 1156 | .r_datas = bd71837_regulators, |
494edd26 MV |
1157 | .r_amount = ARRAY_SIZE(bd71837_regulators), |
1158 | }, | |
2a6a7aac | 1159 | [ROHM_CHIP_TYPE_BD71847] = { |
de226ebd | 1160 | .r_datas = bd71847_regulators, |
494edd26 MV |
1161 | .r_amount = ARRAY_SIZE(bd71847_regulators), |
1162 | }, | |
ba08799e MV |
1163 | }; |
1164 | ||
494edd26 | 1165 | int i, j, err; |
049369d4 | 1166 | bool use_snvs; |
ba08799e | 1167 | |
bcb047eb AL |
1168 | mfd = dev_get_drvdata(pdev->dev.parent); |
1169 | if (!mfd) { | |
ba08799e MV |
1170 | dev_err(&pdev->dev, "No MFD driver data\n"); |
1171 | err = -EINVAL; | |
1172 | goto err; | |
1173 | } | |
bcb047eb | 1174 | |
2a6a7aac MV |
1175 | if (mfd->chip.chip_type >= ROHM_CHIP_TYPE_AMOUNT || |
1176 | !pmic_regulators[mfd->chip.chip_type].r_datas) { | |
494edd26 MV |
1177 | dev_err(&pdev->dev, "Unsupported chip type\n"); |
1178 | err = -EINVAL; | |
1179 | goto err; | |
1180 | } | |
1181 | ||
ba08799e | 1182 | /* Register LOCK release */ |
2a6a7aac | 1183 | err = regmap_update_bits(mfd->chip.regmap, BD718XX_REG_REGLOCK, |
ba08799e MV |
1184 | (REGLOCK_PWRSEQ | REGLOCK_VREG), 0); |
1185 | if (err) { | |
bcb047eb | 1186 | dev_err(&pdev->dev, "Failed to unlock PMIC (%d)\n", err); |
ba08799e MV |
1187 | goto err; |
1188 | } else { | |
bcb047eb | 1189 | dev_dbg(&pdev->dev, "Unlocked lock register 0x%x\n", |
494edd26 | 1190 | BD718XX_REG_REGLOCK); |
823f18f8 MV |
1191 | } |
1192 | ||
049369d4 MV |
1193 | use_snvs = of_property_read_bool(pdev->dev.parent->of_node, |
1194 | "rohm,reset-snvs-powered"); | |
1195 | ||
1196 | /* | |
e770b18b MV |
1197 | * Change the next stage from poweroff to be READY instead of SNVS |
1198 | * for all reset types because OTP loading at READY will clear SEL | |
1199 | * bit allowing HW defaults for power rails to be used | |
1200 | */ | |
049369d4 | 1201 | if (!use_snvs) { |
2a6a7aac MV |
1202 | err = regmap_update_bits(mfd->chip.regmap, |
1203 | BD718XX_REG_TRANS_COND1, | |
049369d4 MV |
1204 | BD718XX_ON_REQ_POWEROFF_MASK | |
1205 | BD718XX_SWRESET_POWEROFF_MASK | | |
1206 | BD718XX_WDOG_POWEROFF_MASK | | |
1207 | BD718XX_KEY_L_POWEROFF_MASK, | |
1208 | BD718XX_POWOFF_TO_RDY); | |
1209 | if (err) { | |
1210 | dev_err(&pdev->dev, "Failed to change reset target\n"); | |
1211 | goto err; | |
1212 | } else { | |
1213 | dev_dbg(&pdev->dev, | |
1214 | "Changed all resets from SVNS to READY\n"); | |
1215 | } | |
e770b18b MV |
1216 | } |
1217 | ||
2a6a7aac | 1218 | for (i = 0; i < pmic_regulators[mfd->chip.chip_type].r_amount; i++) { |
ba08799e | 1219 | |
494edd26 | 1220 | const struct regulator_desc *desc; |
ba08799e | 1221 | struct regulator_dev *rdev; |
494edd26 | 1222 | const struct bd718xx_regulator_data *r; |
ba08799e | 1223 | |
2a6a7aac | 1224 | r = &pmic_regulators[mfd->chip.chip_type].r_datas[i]; |
494edd26 | 1225 | desc = &r->desc; |
ba08799e | 1226 | |
ba08799e | 1227 | config.dev = pdev->dev.parent; |
2a6a7aac | 1228 | config.regmap = mfd->chip.regmap; |
ba08799e MV |
1229 | |
1230 | rdev = devm_regulator_register(&pdev->dev, desc, &config); | |
1231 | if (IS_ERR(rdev)) { | |
bcb047eb | 1232 | dev_err(&pdev->dev, |
ba08799e MV |
1233 | "failed to register %s regulator\n", |
1234 | desc->name); | |
1235 | err = PTR_ERR(rdev); | |
1236 | goto err; | |
1237 | } | |
049369d4 MV |
1238 | |
1239 | /* | |
1240 | * Regulator register gets the regulator constraints and | |
ba08799e MV |
1241 | * applies them (set_machine_constraints). This should have |
1242 | * turned the control register(s) to correct values and we | |
1243 | * can now switch the control from PMIC state machine to the | |
1244 | * register interface | |
049369d4 MV |
1245 | * |
1246 | * At poweroff transition PMIC HW disables EN bit for | |
1247 | * regulators but leaves SEL bit untouched. So if state | |
1248 | * transition from POWEROFF is done to SNVS - then all power | |
1249 | * rails controlled by SW (having SEL bit set) stay disabled | |
1250 | * as EN is cleared. This will result boot failure if any | |
1251 | * crucial systems are powered by these rails. We don't | |
1252 | * enable SW control for crucial regulators if snvs state is | |
1253 | * used | |
ba08799e | 1254 | */ |
049369d4 MV |
1255 | if (!use_snvs || !rdev->constraints->always_on || |
1256 | !rdev->constraints->boot_on) { | |
2a6a7aac | 1257 | err = regmap_update_bits(mfd->chip.regmap, r->init.reg, |
049369d4 MV |
1258 | r->init.mask, r->init.val); |
1259 | if (err) { | |
1260 | dev_err(&pdev->dev, | |
1261 | "Failed to take control for (%s)\n", | |
1262 | desc->name); | |
1263 | goto err; | |
1264 | } | |
ba08799e | 1265 | } |
494edd26 | 1266 | for (j = 0; j < r->additional_init_amnt; j++) { |
2a6a7aac | 1267 | err = regmap_update_bits(mfd->chip.regmap, |
494edd26 MV |
1268 | r->additional_inits[j].reg, |
1269 | r->additional_inits[j].mask, | |
1270 | r->additional_inits[j].val); | |
1271 | if (err) { | |
bcb047eb | 1272 | dev_err(&pdev->dev, |
494edd26 MV |
1273 | "Buck (%s) initialization failed\n", |
1274 | desc->name); | |
1275 | goto err; | |
1276 | } | |
1277 | } | |
ba08799e MV |
1278 | } |
1279 | ||
ba08799e MV |
1280 | err: |
1281 | return err; | |
1282 | } | |
1283 | ||
dd2be639 | 1284 | static struct platform_driver bd718xx_regulator = { |
ba08799e | 1285 | .driver = { |
494edd26 | 1286 | .name = "bd718xx-pmic", |
ba08799e | 1287 | }, |
dd2be639 | 1288 | .probe = bd718xx_probe, |
ba08799e MV |
1289 | }; |
1290 | ||
dd2be639 | 1291 | module_platform_driver(bd718xx_regulator); |
ba08799e MV |
1292 | |
1293 | MODULE_AUTHOR("Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>"); | |
dd2be639 | 1294 | MODULE_DESCRIPTION("BD71837/BD71847 voltage regulator driver"); |
ba08799e | 1295 | MODULE_LICENSE("GPL"); |