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522498f8 MV |
1 | // SPDX-License-Identifier: GPL-2.0-only |
2 | // Copyright (C) 2019 ROHM Semiconductors | |
3 | // bd71828-regulator.c ROHM BD71828GW-DS1 regulator driver | |
4 | // | |
5 | ||
6 | #include <linux/delay.h> | |
7 | #include <linux/err.h> | |
8 | #include <linux/gpio.h> | |
9 | #include <linux/interrupt.h> | |
10 | #include <linux/kernel.h> | |
11 | #include <linux/mfd/rohm-bd71828.h> | |
12 | #include <linux/module.h> | |
13 | #include <linux/of.h> | |
14 | #include <linux/platform_device.h> | |
15 | #include <linux/regmap.h> | |
16 | #include <linux/regulator/driver.h> | |
17 | #include <linux/regulator/machine.h> | |
18 | #include <linux/regulator/of_regulator.h> | |
19 | ||
20 | struct reg_init { | |
21 | unsigned int reg; | |
22 | unsigned int mask; | |
23 | unsigned int val; | |
24 | }; | |
25 | struct bd71828_regulator_data { | |
26 | struct regulator_desc desc; | |
27 | const struct rohm_dvs_config dvs; | |
28 | const struct reg_init *reg_inits; | |
29 | int reg_init_amnt; | |
30 | }; | |
31 | ||
32 | static const struct reg_init buck1_inits[] = { | |
33 | /* | |
34 | * DVS Buck voltages can be changed by register values or via GPIO. | |
35 | * Use register accesses by default. | |
36 | */ | |
37 | { | |
38 | .reg = BD71828_REG_PS_CTRL_1, | |
39 | .mask = BD71828_MASK_DVS_BUCK1_CTRL, | |
40 | .val = BD71828_DVS_BUCK1_CTRL_I2C, | |
41 | }, | |
42 | }; | |
43 | ||
44 | static const struct reg_init buck2_inits[] = { | |
45 | { | |
46 | .reg = BD71828_REG_PS_CTRL_1, | |
47 | .mask = BD71828_MASK_DVS_BUCK2_CTRL, | |
48 | .val = BD71828_DVS_BUCK2_CTRL_I2C, | |
49 | }, | |
50 | }; | |
51 | ||
52 | static const struct reg_init buck6_inits[] = { | |
53 | { | |
54 | .reg = BD71828_REG_PS_CTRL_1, | |
55 | .mask = BD71828_MASK_DVS_BUCK6_CTRL, | |
56 | .val = BD71828_DVS_BUCK6_CTRL_I2C, | |
57 | }, | |
58 | }; | |
59 | ||
60 | static const struct reg_init buck7_inits[] = { | |
61 | { | |
62 | .reg = BD71828_REG_PS_CTRL_1, | |
63 | .mask = BD71828_MASK_DVS_BUCK7_CTRL, | |
64 | .val = BD71828_DVS_BUCK7_CTRL_I2C, | |
65 | }, | |
66 | }; | |
67 | ||
60ab7f41 | 68 | static const struct linear_range bd71828_buck1267_volts[] = { |
522498f8 MV |
69 | REGULATOR_LINEAR_RANGE(500000, 0x00, 0xef, 6250), |
70 | REGULATOR_LINEAR_RANGE(2000000, 0xf0, 0xff, 0), | |
71 | }; | |
72 | ||
60ab7f41 | 73 | static const struct linear_range bd71828_buck3_volts[] = { |
522498f8 MV |
74 | REGULATOR_LINEAR_RANGE(1200000, 0x00, 0x0f, 50000), |
75 | REGULATOR_LINEAR_RANGE(2000000, 0x10, 0x1f, 0), | |
76 | }; | |
77 | ||
60ab7f41 | 78 | static const struct linear_range bd71828_buck4_volts[] = { |
522498f8 MV |
79 | REGULATOR_LINEAR_RANGE(1000000, 0x00, 0x1f, 25000), |
80 | REGULATOR_LINEAR_RANGE(1800000, 0x20, 0x3f, 0), | |
81 | }; | |
82 | ||
60ab7f41 | 83 | static const struct linear_range bd71828_buck5_volts[] = { |
522498f8 MV |
84 | REGULATOR_LINEAR_RANGE(2500000, 0x00, 0x0f, 50000), |
85 | REGULATOR_LINEAR_RANGE(3300000, 0x10, 0x1f, 0), | |
86 | }; | |
87 | ||
60ab7f41 | 88 | static const struct linear_range bd71828_ldo_volts[] = { |
522498f8 MV |
89 | REGULATOR_LINEAR_RANGE(800000, 0x00, 0x31, 50000), |
90 | REGULATOR_LINEAR_RANGE(3300000, 0x32, 0x3f, 0), | |
91 | }; | |
92 | ||
18f3c625 | 93 | static const unsigned int bd71828_ramp_delay[] = { 2500, 5000, 10000, 20000 }; |
522498f8 MV |
94 | |
95 | static int buck_set_hw_dvs_levels(struct device_node *np, | |
96 | const struct regulator_desc *desc, | |
97 | struct regulator_config *cfg) | |
98 | { | |
99 | struct bd71828_regulator_data *data; | |
100 | ||
101 | data = container_of(desc, struct bd71828_regulator_data, desc); | |
102 | ||
103 | return rohm_regulator_set_dvs_levels(&data->dvs, np, desc, cfg->regmap); | |
104 | } | |
105 | ||
106 | static int ldo6_parse_dt(struct device_node *np, | |
107 | const struct regulator_desc *desc, | |
108 | struct regulator_config *cfg) | |
109 | { | |
110 | int ret, i; | |
111 | uint32_t uv = 0; | |
112 | unsigned int en; | |
113 | struct regmap *regmap = cfg->regmap; | |
114 | static const char * const props[] = { "rohm,dvs-run-voltage", | |
115 | "rohm,dvs-idle-voltage", | |
116 | "rohm,dvs-suspend-voltage", | |
117 | "rohm,dvs-lpsr-voltage" }; | |
118 | unsigned int mask[] = { BD71828_MASK_RUN_EN, BD71828_MASK_IDLE_EN, | |
119 | BD71828_MASK_SUSP_EN, BD71828_MASK_LPSR_EN }; | |
120 | ||
121 | for (i = 0; i < ARRAY_SIZE(props); i++) { | |
122 | ret = of_property_read_u32(np, props[i], &uv); | |
123 | if (ret) { | |
124 | if (ret != -EINVAL) | |
125 | return ret; | |
126 | continue; | |
127 | } | |
128 | if (uv) | |
129 | en = 0xffffffff; | |
130 | else | |
131 | en = 0; | |
132 | ||
133 | ret = regmap_update_bits(regmap, desc->enable_reg, mask[i], en); | |
134 | if (ret) | |
135 | return ret; | |
136 | } | |
137 | return 0; | |
138 | } | |
139 | ||
140 | static const struct regulator_ops bd71828_buck_ops = { | |
141 | .enable = regulator_enable_regmap, | |
142 | .disable = regulator_disable_regmap, | |
143 | .is_enabled = regulator_is_enabled_regmap, | |
144 | .list_voltage = regulator_list_voltage_linear_range, | |
145 | .set_voltage_sel = regulator_set_voltage_sel_regmap, | |
146 | .get_voltage_sel = regulator_get_voltage_sel_regmap, | |
147 | }; | |
148 | ||
149 | static const struct regulator_ops bd71828_dvs_buck_ops = { | |
150 | .enable = regulator_enable_regmap, | |
151 | .disable = regulator_disable_regmap, | |
152 | .is_enabled = regulator_is_enabled_regmap, | |
153 | .list_voltage = regulator_list_voltage_linear_range, | |
154 | .set_voltage_sel = regulator_set_voltage_sel_regmap, | |
155 | .get_voltage_sel = regulator_get_voltage_sel_regmap, | |
156 | .set_voltage_time_sel = regulator_set_voltage_time_sel, | |
18f3c625 | 157 | .set_ramp_delay = regulator_set_ramp_delay_regmap, |
522498f8 MV |
158 | }; |
159 | ||
160 | static const struct regulator_ops bd71828_ldo_ops = { | |
161 | .enable = regulator_enable_regmap, | |
162 | .disable = regulator_disable_regmap, | |
163 | .is_enabled = regulator_is_enabled_regmap, | |
164 | .list_voltage = regulator_list_voltage_linear_range, | |
165 | .set_voltage_sel = regulator_set_voltage_sel_regmap, | |
166 | .get_voltage_sel = regulator_get_voltage_sel_regmap, | |
167 | }; | |
168 | ||
522498f8 MV |
169 | static const struct regulator_ops bd71828_ldo6_ops = { |
170 | .enable = regulator_enable_regmap, | |
171 | .disable = regulator_disable_regmap, | |
522498f8 MV |
172 | .is_enabled = regulator_is_enabled_regmap, |
173 | }; | |
174 | ||
175 | static const struct bd71828_regulator_data bd71828_rdata[] = { | |
176 | { | |
177 | .desc = { | |
178 | .name = "buck1", | |
179 | .of_match = of_match_ptr("BUCK1"), | |
180 | .regulators_node = of_match_ptr("regulators"), | |
181 | .id = BD71828_BUCK1, | |
182 | .ops = &bd71828_dvs_buck_ops, | |
183 | .type = REGULATOR_VOLTAGE, | |
184 | .linear_ranges = bd71828_buck1267_volts, | |
185 | .n_linear_ranges = ARRAY_SIZE(bd71828_buck1267_volts), | |
186 | .n_voltages = BD71828_BUCK1267_VOLTS, | |
187 | .enable_reg = BD71828_REG_BUCK1_EN, | |
188 | .enable_mask = BD71828_MASK_RUN_EN, | |
189 | .vsel_reg = BD71828_REG_BUCK1_VOLT, | |
190 | .vsel_mask = BD71828_MASK_BUCK1267_VOLT, | |
18f3c625 MV |
191 | .ramp_delay_table = bd71828_ramp_delay, |
192 | .n_ramp_values = ARRAY_SIZE(bd71828_ramp_delay), | |
193 | .ramp_reg = BD71828_REG_BUCK1_MODE, | |
194 | .ramp_mask = BD71828_MASK_RAMP_DELAY, | |
522498f8 MV |
195 | .owner = THIS_MODULE, |
196 | .of_parse_cb = buck_set_hw_dvs_levels, | |
197 | }, | |
198 | .dvs = { | |
199 | .level_map = ROHM_DVS_LEVEL_RUN | ROHM_DVS_LEVEL_IDLE | | |
200 | ROHM_DVS_LEVEL_SUSPEND | | |
201 | ROHM_DVS_LEVEL_LPSR, | |
202 | .run_reg = BD71828_REG_BUCK1_VOLT, | |
203 | .run_mask = BD71828_MASK_BUCK1267_VOLT, | |
204 | .idle_reg = BD71828_REG_BUCK1_IDLE_VOLT, | |
205 | .idle_mask = BD71828_MASK_BUCK1267_VOLT, | |
206 | .idle_on_mask = BD71828_MASK_IDLE_EN, | |
207 | .suspend_reg = BD71828_REG_BUCK1_SUSP_VOLT, | |
208 | .suspend_mask = BD71828_MASK_BUCK1267_VOLT, | |
209 | .suspend_on_mask = BD71828_MASK_SUSP_EN, | |
210 | .lpsr_on_mask = BD71828_MASK_LPSR_EN, | |
211 | /* | |
212 | * LPSR voltage is same as SUSPEND voltage. Allow | |
213 | * setting it so that regulator can be set enabled at | |
214 | * LPSR state | |
215 | */ | |
216 | .lpsr_reg = BD71828_REG_BUCK1_SUSP_VOLT, | |
217 | .lpsr_mask = BD71828_MASK_BUCK1267_VOLT, | |
218 | }, | |
219 | .reg_inits = buck1_inits, | |
220 | .reg_init_amnt = ARRAY_SIZE(buck1_inits), | |
221 | }, | |
222 | { | |
223 | .desc = { | |
224 | .name = "buck2", | |
225 | .of_match = of_match_ptr("BUCK2"), | |
226 | .regulators_node = of_match_ptr("regulators"), | |
227 | .id = BD71828_BUCK2, | |
228 | .ops = &bd71828_dvs_buck_ops, | |
229 | .type = REGULATOR_VOLTAGE, | |
230 | .linear_ranges = bd71828_buck1267_volts, | |
231 | .n_linear_ranges = ARRAY_SIZE(bd71828_buck1267_volts), | |
232 | .n_voltages = BD71828_BUCK1267_VOLTS, | |
233 | .enable_reg = BD71828_REG_BUCK2_EN, | |
234 | .enable_mask = BD71828_MASK_RUN_EN, | |
235 | .vsel_reg = BD71828_REG_BUCK2_VOLT, | |
236 | .vsel_mask = BD71828_MASK_BUCK1267_VOLT, | |
18f3c625 MV |
237 | .ramp_delay_table = bd71828_ramp_delay, |
238 | .n_ramp_values = ARRAY_SIZE(bd71828_ramp_delay), | |
239 | .ramp_reg = BD71828_REG_BUCK2_MODE, | |
240 | .ramp_mask = BD71828_MASK_RAMP_DELAY, | |
522498f8 MV |
241 | .owner = THIS_MODULE, |
242 | .of_parse_cb = buck_set_hw_dvs_levels, | |
243 | }, | |
244 | .dvs = { | |
245 | .level_map = ROHM_DVS_LEVEL_RUN | ROHM_DVS_LEVEL_IDLE | | |
246 | ROHM_DVS_LEVEL_SUSPEND | | |
247 | ROHM_DVS_LEVEL_LPSR, | |
248 | .run_reg = BD71828_REG_BUCK2_VOLT, | |
249 | .run_mask = BD71828_MASK_BUCK1267_VOLT, | |
250 | .idle_reg = BD71828_REG_BUCK2_IDLE_VOLT, | |
251 | .idle_mask = BD71828_MASK_BUCK1267_VOLT, | |
252 | .idle_on_mask = BD71828_MASK_IDLE_EN, | |
253 | .suspend_reg = BD71828_REG_BUCK2_SUSP_VOLT, | |
254 | .suspend_mask = BD71828_MASK_BUCK1267_VOLT, | |
255 | .suspend_on_mask = BD71828_MASK_SUSP_EN, | |
256 | .lpsr_on_mask = BD71828_MASK_LPSR_EN, | |
257 | .lpsr_reg = BD71828_REG_BUCK2_SUSP_VOLT, | |
258 | .lpsr_mask = BD71828_MASK_BUCK1267_VOLT, | |
259 | }, | |
260 | .reg_inits = buck2_inits, | |
261 | .reg_init_amnt = ARRAY_SIZE(buck2_inits), | |
262 | }, | |
263 | { | |
264 | .desc = { | |
265 | .name = "buck3", | |
266 | .of_match = of_match_ptr("BUCK3"), | |
267 | .regulators_node = of_match_ptr("regulators"), | |
268 | .id = BD71828_BUCK3, | |
269 | .ops = &bd71828_buck_ops, | |
270 | .type = REGULATOR_VOLTAGE, | |
271 | .linear_ranges = bd71828_buck3_volts, | |
272 | .n_linear_ranges = ARRAY_SIZE(bd71828_buck3_volts), | |
273 | .n_voltages = BD71828_BUCK3_VOLTS, | |
274 | .enable_reg = BD71828_REG_BUCK3_EN, | |
275 | .enable_mask = BD71828_MASK_RUN_EN, | |
276 | .vsel_reg = BD71828_REG_BUCK3_VOLT, | |
277 | .vsel_mask = BD71828_MASK_BUCK3_VOLT, | |
278 | .owner = THIS_MODULE, | |
279 | .of_parse_cb = buck_set_hw_dvs_levels, | |
280 | }, | |
281 | .dvs = { | |
282 | /* | |
283 | * BUCK3 only supports single voltage for all states. | |
284 | * voltage can be individually enabled for each state | |
285 | * though => allow setting all states to support | |
286 | * enabling power rail on different states. | |
287 | */ | |
288 | .level_map = ROHM_DVS_LEVEL_RUN | ROHM_DVS_LEVEL_IDLE | | |
289 | ROHM_DVS_LEVEL_SUSPEND | | |
290 | ROHM_DVS_LEVEL_LPSR, | |
291 | .run_reg = BD71828_REG_BUCK3_VOLT, | |
292 | .idle_reg = BD71828_REG_BUCK3_VOLT, | |
293 | .suspend_reg = BD71828_REG_BUCK3_VOLT, | |
294 | .lpsr_reg = BD71828_REG_BUCK3_VOLT, | |
295 | .run_mask = BD71828_MASK_BUCK3_VOLT, | |
296 | .idle_mask = BD71828_MASK_BUCK3_VOLT, | |
297 | .suspend_mask = BD71828_MASK_BUCK3_VOLT, | |
298 | .lpsr_mask = BD71828_MASK_BUCK3_VOLT, | |
299 | .idle_on_mask = BD71828_MASK_IDLE_EN, | |
300 | .suspend_on_mask = BD71828_MASK_SUSP_EN, | |
301 | .lpsr_on_mask = BD71828_MASK_LPSR_EN, | |
302 | }, | |
303 | }, | |
304 | { | |
305 | .desc = { | |
306 | .name = "buck4", | |
307 | .of_match = of_match_ptr("BUCK4"), | |
308 | .regulators_node = of_match_ptr("regulators"), | |
309 | .id = BD71828_BUCK4, | |
310 | .ops = &bd71828_buck_ops, | |
311 | .type = REGULATOR_VOLTAGE, | |
312 | .linear_ranges = bd71828_buck4_volts, | |
313 | .n_linear_ranges = ARRAY_SIZE(bd71828_buck4_volts), | |
314 | .n_voltages = BD71828_BUCK4_VOLTS, | |
315 | .enable_reg = BD71828_REG_BUCK4_EN, | |
316 | .enable_mask = BD71828_MASK_RUN_EN, | |
317 | .vsel_reg = BD71828_REG_BUCK4_VOLT, | |
318 | .vsel_mask = BD71828_MASK_BUCK4_VOLT, | |
319 | .owner = THIS_MODULE, | |
320 | .of_parse_cb = buck_set_hw_dvs_levels, | |
321 | }, | |
322 | .dvs = { | |
323 | /* | |
324 | * BUCK4 only supports single voltage for all states. | |
325 | * voltage can be individually enabled for each state | |
326 | * though => allow setting all states to support | |
327 | * enabling power rail on different states. | |
328 | */ | |
329 | .level_map = ROHM_DVS_LEVEL_RUN | ROHM_DVS_LEVEL_IDLE | | |
330 | ROHM_DVS_LEVEL_SUSPEND | | |
331 | ROHM_DVS_LEVEL_LPSR, | |
332 | .run_reg = BD71828_REG_BUCK4_VOLT, | |
333 | .idle_reg = BD71828_REG_BUCK4_VOLT, | |
334 | .suspend_reg = BD71828_REG_BUCK4_VOLT, | |
335 | .lpsr_reg = BD71828_REG_BUCK4_VOLT, | |
336 | .run_mask = BD71828_MASK_BUCK4_VOLT, | |
337 | .idle_mask = BD71828_MASK_BUCK4_VOLT, | |
338 | .suspend_mask = BD71828_MASK_BUCK4_VOLT, | |
339 | .lpsr_mask = BD71828_MASK_BUCK4_VOLT, | |
340 | .idle_on_mask = BD71828_MASK_IDLE_EN, | |
341 | .suspend_on_mask = BD71828_MASK_SUSP_EN, | |
342 | .lpsr_on_mask = BD71828_MASK_LPSR_EN, | |
343 | }, | |
344 | }, | |
345 | { | |
346 | .desc = { | |
347 | .name = "buck5", | |
348 | .of_match = of_match_ptr("BUCK5"), | |
349 | .regulators_node = of_match_ptr("regulators"), | |
350 | .id = BD71828_BUCK5, | |
351 | .ops = &bd71828_buck_ops, | |
352 | .type = REGULATOR_VOLTAGE, | |
353 | .linear_ranges = bd71828_buck5_volts, | |
354 | .n_linear_ranges = ARRAY_SIZE(bd71828_buck5_volts), | |
355 | .n_voltages = BD71828_BUCK5_VOLTS, | |
356 | .enable_reg = BD71828_REG_BUCK5_EN, | |
357 | .enable_mask = BD71828_MASK_RUN_EN, | |
358 | .vsel_reg = BD71828_REG_BUCK5_VOLT, | |
359 | .vsel_mask = BD71828_MASK_BUCK5_VOLT, | |
360 | .owner = THIS_MODULE, | |
361 | .of_parse_cb = buck_set_hw_dvs_levels, | |
362 | }, | |
363 | .dvs = { | |
364 | /* | |
365 | * BUCK5 only supports single voltage for all states. | |
366 | * voltage can be individually enabled for each state | |
367 | * though => allow setting all states to support | |
368 | * enabling power rail on different states. | |
369 | */ | |
370 | .level_map = ROHM_DVS_LEVEL_RUN | ROHM_DVS_LEVEL_IDLE | | |
371 | ROHM_DVS_LEVEL_SUSPEND | | |
372 | ROHM_DVS_LEVEL_LPSR, | |
373 | .run_reg = BD71828_REG_BUCK5_VOLT, | |
374 | .idle_reg = BD71828_REG_BUCK5_VOLT, | |
375 | .suspend_reg = BD71828_REG_BUCK5_VOLT, | |
376 | .lpsr_reg = BD71828_REG_BUCK5_VOLT, | |
377 | .run_mask = BD71828_MASK_BUCK5_VOLT, | |
378 | .idle_mask = BD71828_MASK_BUCK5_VOLT, | |
379 | .suspend_mask = BD71828_MASK_BUCK5_VOLT, | |
380 | .lpsr_mask = BD71828_MASK_BUCK5_VOLT, | |
381 | .idle_on_mask = BD71828_MASK_IDLE_EN, | |
382 | .suspend_on_mask = BD71828_MASK_SUSP_EN, | |
383 | .lpsr_on_mask = BD71828_MASK_LPSR_EN, | |
384 | }, | |
385 | }, | |
386 | { | |
387 | .desc = { | |
388 | .name = "buck6", | |
389 | .of_match = of_match_ptr("BUCK6"), | |
390 | .regulators_node = of_match_ptr("regulators"), | |
391 | .id = BD71828_BUCK6, | |
392 | .ops = &bd71828_dvs_buck_ops, | |
393 | .type = REGULATOR_VOLTAGE, | |
394 | .linear_ranges = bd71828_buck1267_volts, | |
395 | .n_linear_ranges = ARRAY_SIZE(bd71828_buck1267_volts), | |
396 | .n_voltages = BD71828_BUCK1267_VOLTS, | |
397 | .enable_reg = BD71828_REG_BUCK6_EN, | |
398 | .enable_mask = BD71828_MASK_RUN_EN, | |
399 | .vsel_reg = BD71828_REG_BUCK6_VOLT, | |
400 | .vsel_mask = BD71828_MASK_BUCK1267_VOLT, | |
18f3c625 MV |
401 | .ramp_delay_table = bd71828_ramp_delay, |
402 | .n_ramp_values = ARRAY_SIZE(bd71828_ramp_delay), | |
403 | .ramp_reg = BD71828_REG_BUCK6_MODE, | |
404 | .ramp_mask = BD71828_MASK_RAMP_DELAY, | |
522498f8 MV |
405 | .owner = THIS_MODULE, |
406 | .of_parse_cb = buck_set_hw_dvs_levels, | |
407 | }, | |
408 | .dvs = { | |
409 | .level_map = ROHM_DVS_LEVEL_RUN | ROHM_DVS_LEVEL_IDLE | | |
410 | ROHM_DVS_LEVEL_SUSPEND | | |
411 | ROHM_DVS_LEVEL_LPSR, | |
412 | .run_reg = BD71828_REG_BUCK6_VOLT, | |
413 | .run_mask = BD71828_MASK_BUCK1267_VOLT, | |
414 | .idle_reg = BD71828_REG_BUCK6_IDLE_VOLT, | |
415 | .idle_mask = BD71828_MASK_BUCK1267_VOLT, | |
416 | .idle_on_mask = BD71828_MASK_IDLE_EN, | |
417 | .suspend_reg = BD71828_REG_BUCK6_SUSP_VOLT, | |
418 | .suspend_mask = BD71828_MASK_BUCK1267_VOLT, | |
419 | .suspend_on_mask = BD71828_MASK_SUSP_EN, | |
420 | .lpsr_on_mask = BD71828_MASK_LPSR_EN, | |
421 | .lpsr_reg = BD71828_REG_BUCK6_SUSP_VOLT, | |
422 | .lpsr_mask = BD71828_MASK_BUCK1267_VOLT, | |
423 | }, | |
424 | .reg_inits = buck6_inits, | |
425 | .reg_init_amnt = ARRAY_SIZE(buck6_inits), | |
426 | }, | |
427 | { | |
428 | .desc = { | |
429 | .name = "buck7", | |
430 | .of_match = of_match_ptr("BUCK7"), | |
431 | .regulators_node = of_match_ptr("regulators"), | |
432 | .id = BD71828_BUCK7, | |
433 | .ops = &bd71828_dvs_buck_ops, | |
434 | .type = REGULATOR_VOLTAGE, | |
435 | .linear_ranges = bd71828_buck1267_volts, | |
436 | .n_linear_ranges = ARRAY_SIZE(bd71828_buck1267_volts), | |
437 | .n_voltages = BD71828_BUCK1267_VOLTS, | |
438 | .enable_reg = BD71828_REG_BUCK7_EN, | |
439 | .enable_mask = BD71828_MASK_RUN_EN, | |
440 | .vsel_reg = BD71828_REG_BUCK7_VOLT, | |
441 | .vsel_mask = BD71828_MASK_BUCK1267_VOLT, | |
18f3c625 MV |
442 | .ramp_delay_table = bd71828_ramp_delay, |
443 | .n_ramp_values = ARRAY_SIZE(bd71828_ramp_delay), | |
444 | .ramp_reg = BD71828_REG_BUCK7_MODE, | |
445 | .ramp_mask = BD71828_MASK_RAMP_DELAY, | |
522498f8 MV |
446 | .owner = THIS_MODULE, |
447 | .of_parse_cb = buck_set_hw_dvs_levels, | |
448 | }, | |
449 | .dvs = { | |
450 | .level_map = ROHM_DVS_LEVEL_RUN | ROHM_DVS_LEVEL_IDLE | | |
451 | ROHM_DVS_LEVEL_SUSPEND | | |
452 | ROHM_DVS_LEVEL_LPSR, | |
453 | .run_reg = BD71828_REG_BUCK7_VOLT, | |
454 | .run_mask = BD71828_MASK_BUCK1267_VOLT, | |
455 | .idle_reg = BD71828_REG_BUCK7_IDLE_VOLT, | |
456 | .idle_mask = BD71828_MASK_BUCK1267_VOLT, | |
457 | .idle_on_mask = BD71828_MASK_IDLE_EN, | |
458 | .suspend_reg = BD71828_REG_BUCK7_SUSP_VOLT, | |
459 | .suspend_mask = BD71828_MASK_BUCK1267_VOLT, | |
460 | .suspend_on_mask = BD71828_MASK_SUSP_EN, | |
461 | .lpsr_on_mask = BD71828_MASK_LPSR_EN, | |
462 | .lpsr_reg = BD71828_REG_BUCK7_SUSP_VOLT, | |
463 | .lpsr_mask = BD71828_MASK_BUCK1267_VOLT, | |
464 | }, | |
465 | .reg_inits = buck7_inits, | |
466 | .reg_init_amnt = ARRAY_SIZE(buck7_inits), | |
467 | }, | |
468 | { | |
469 | .desc = { | |
470 | .name = "ldo1", | |
471 | .of_match = of_match_ptr("LDO1"), | |
472 | .regulators_node = of_match_ptr("regulators"), | |
473 | .id = BD71828_LDO1, | |
474 | .ops = &bd71828_ldo_ops, | |
475 | .type = REGULATOR_VOLTAGE, | |
476 | .linear_ranges = bd71828_ldo_volts, | |
477 | .n_linear_ranges = ARRAY_SIZE(bd71828_ldo_volts), | |
478 | .n_voltages = BD71828_LDO_VOLTS, | |
479 | .enable_reg = BD71828_REG_LDO1_EN, | |
480 | .enable_mask = BD71828_MASK_RUN_EN, | |
481 | .vsel_reg = BD71828_REG_LDO1_VOLT, | |
482 | .vsel_mask = BD71828_MASK_LDO_VOLT, | |
483 | .owner = THIS_MODULE, | |
484 | .of_parse_cb = buck_set_hw_dvs_levels, | |
485 | }, | |
486 | .dvs = { | |
487 | /* | |
488 | * LDO1 only supports single voltage for all states. | |
489 | * voltage can be individually enabled for each state | |
490 | * though => allow setting all states to support | |
491 | * enabling power rail on different states. | |
492 | */ | |
493 | .level_map = ROHM_DVS_LEVEL_RUN | ROHM_DVS_LEVEL_IDLE | | |
494 | ROHM_DVS_LEVEL_SUSPEND | | |
495 | ROHM_DVS_LEVEL_LPSR, | |
496 | .run_reg = BD71828_REG_LDO1_VOLT, | |
497 | .idle_reg = BD71828_REG_LDO1_VOLT, | |
498 | .suspend_reg = BD71828_REG_LDO1_VOLT, | |
499 | .lpsr_reg = BD71828_REG_LDO1_VOLT, | |
500 | .run_mask = BD71828_MASK_LDO_VOLT, | |
501 | .idle_mask = BD71828_MASK_LDO_VOLT, | |
502 | .suspend_mask = BD71828_MASK_LDO_VOLT, | |
503 | .lpsr_mask = BD71828_MASK_LDO_VOLT, | |
504 | .idle_on_mask = BD71828_MASK_IDLE_EN, | |
505 | .suspend_on_mask = BD71828_MASK_SUSP_EN, | |
506 | .lpsr_on_mask = BD71828_MASK_LPSR_EN, | |
507 | }, | |
508 | }, { | |
509 | .desc = { | |
510 | .name = "ldo2", | |
511 | .of_match = of_match_ptr("LDO2"), | |
512 | .regulators_node = of_match_ptr("regulators"), | |
513 | .id = BD71828_LDO2, | |
514 | .ops = &bd71828_ldo_ops, | |
515 | .type = REGULATOR_VOLTAGE, | |
516 | .linear_ranges = bd71828_ldo_volts, | |
517 | .n_linear_ranges = ARRAY_SIZE(bd71828_ldo_volts), | |
518 | .n_voltages = BD71828_LDO_VOLTS, | |
519 | .enable_reg = BD71828_REG_LDO2_EN, | |
520 | .enable_mask = BD71828_MASK_RUN_EN, | |
521 | .vsel_reg = BD71828_REG_LDO2_VOLT, | |
522 | .vsel_mask = BD71828_MASK_LDO_VOLT, | |
523 | .owner = THIS_MODULE, | |
524 | .of_parse_cb = buck_set_hw_dvs_levels, | |
525 | }, | |
526 | .dvs = { | |
527 | /* | |
528 | * LDO2 only supports single voltage for all states. | |
529 | * voltage can be individually enabled for each state | |
530 | * though => allow setting all states to support | |
531 | * enabling power rail on different states. | |
532 | */ | |
533 | .level_map = ROHM_DVS_LEVEL_RUN | ROHM_DVS_LEVEL_IDLE | | |
534 | ROHM_DVS_LEVEL_SUSPEND | | |
535 | ROHM_DVS_LEVEL_LPSR, | |
536 | .run_reg = BD71828_REG_LDO2_VOLT, | |
537 | .idle_reg = BD71828_REG_LDO2_VOLT, | |
538 | .suspend_reg = BD71828_REG_LDO2_VOLT, | |
539 | .lpsr_reg = BD71828_REG_LDO2_VOLT, | |
540 | .run_mask = BD71828_MASK_LDO_VOLT, | |
541 | .idle_mask = BD71828_MASK_LDO_VOLT, | |
542 | .suspend_mask = BD71828_MASK_LDO_VOLT, | |
543 | .lpsr_mask = BD71828_MASK_LDO_VOLT, | |
544 | .idle_on_mask = BD71828_MASK_IDLE_EN, | |
545 | .suspend_on_mask = BD71828_MASK_SUSP_EN, | |
546 | .lpsr_on_mask = BD71828_MASK_LPSR_EN, | |
547 | }, | |
548 | }, { | |
549 | .desc = { | |
550 | .name = "ldo3", | |
551 | .of_match = of_match_ptr("LDO3"), | |
552 | .regulators_node = of_match_ptr("regulators"), | |
553 | .id = BD71828_LDO3, | |
554 | .ops = &bd71828_ldo_ops, | |
555 | .type = REGULATOR_VOLTAGE, | |
556 | .linear_ranges = bd71828_ldo_volts, | |
557 | .n_linear_ranges = ARRAY_SIZE(bd71828_ldo_volts), | |
558 | .n_voltages = BD71828_LDO_VOLTS, | |
559 | .enable_reg = BD71828_REG_LDO3_EN, | |
560 | .enable_mask = BD71828_MASK_RUN_EN, | |
561 | .vsel_reg = BD71828_REG_LDO3_VOLT, | |
562 | .vsel_mask = BD71828_MASK_LDO_VOLT, | |
563 | .owner = THIS_MODULE, | |
564 | .of_parse_cb = buck_set_hw_dvs_levels, | |
565 | }, | |
566 | .dvs = { | |
567 | /* | |
568 | * LDO3 only supports single voltage for all states. | |
569 | * voltage can be individually enabled for each state | |
570 | * though => allow setting all states to support | |
571 | * enabling power rail on different states. | |
572 | */ | |
573 | .level_map = ROHM_DVS_LEVEL_RUN | ROHM_DVS_LEVEL_IDLE | | |
574 | ROHM_DVS_LEVEL_SUSPEND | | |
575 | ROHM_DVS_LEVEL_LPSR, | |
576 | .run_reg = BD71828_REG_LDO3_VOLT, | |
577 | .idle_reg = BD71828_REG_LDO3_VOLT, | |
578 | .suspend_reg = BD71828_REG_LDO3_VOLT, | |
579 | .lpsr_reg = BD71828_REG_LDO3_VOLT, | |
580 | .run_mask = BD71828_MASK_LDO_VOLT, | |
581 | .idle_mask = BD71828_MASK_LDO_VOLT, | |
582 | .suspend_mask = BD71828_MASK_LDO_VOLT, | |
583 | .lpsr_mask = BD71828_MASK_LDO_VOLT, | |
584 | .idle_on_mask = BD71828_MASK_IDLE_EN, | |
585 | .suspend_on_mask = BD71828_MASK_SUSP_EN, | |
586 | .lpsr_on_mask = BD71828_MASK_LPSR_EN, | |
587 | }, | |
588 | ||
589 | }, { | |
590 | .desc = { | |
591 | .name = "ldo4", | |
592 | .of_match = of_match_ptr("LDO4"), | |
593 | .regulators_node = of_match_ptr("regulators"), | |
594 | .id = BD71828_LDO4, | |
595 | .ops = &bd71828_ldo_ops, | |
596 | .type = REGULATOR_VOLTAGE, | |
597 | .linear_ranges = bd71828_ldo_volts, | |
598 | .n_linear_ranges = ARRAY_SIZE(bd71828_ldo_volts), | |
599 | .n_voltages = BD71828_LDO_VOLTS, | |
600 | .enable_reg = BD71828_REG_LDO4_EN, | |
601 | .enable_mask = BD71828_MASK_RUN_EN, | |
602 | .vsel_reg = BD71828_REG_LDO4_VOLT, | |
603 | .vsel_mask = BD71828_MASK_LDO_VOLT, | |
604 | .owner = THIS_MODULE, | |
605 | .of_parse_cb = buck_set_hw_dvs_levels, | |
606 | }, | |
607 | .dvs = { | |
608 | /* | |
609 | * LDO1 only supports single voltage for all states. | |
610 | * voltage can be individually enabled for each state | |
611 | * though => allow setting all states to support | |
612 | * enabling power rail on different states. | |
613 | */ | |
614 | .level_map = ROHM_DVS_LEVEL_RUN | ROHM_DVS_LEVEL_IDLE | | |
615 | ROHM_DVS_LEVEL_SUSPEND | | |
616 | ROHM_DVS_LEVEL_LPSR, | |
617 | .run_reg = BD71828_REG_LDO4_VOLT, | |
618 | .idle_reg = BD71828_REG_LDO4_VOLT, | |
619 | .suspend_reg = BD71828_REG_LDO4_VOLT, | |
620 | .lpsr_reg = BD71828_REG_LDO4_VOLT, | |
621 | .run_mask = BD71828_MASK_LDO_VOLT, | |
622 | .idle_mask = BD71828_MASK_LDO_VOLT, | |
623 | .suspend_mask = BD71828_MASK_LDO_VOLT, | |
624 | .lpsr_mask = BD71828_MASK_LDO_VOLT, | |
625 | .idle_on_mask = BD71828_MASK_IDLE_EN, | |
626 | .suspend_on_mask = BD71828_MASK_SUSP_EN, | |
627 | .lpsr_on_mask = BD71828_MASK_LPSR_EN, | |
628 | }, | |
629 | }, { | |
630 | .desc = { | |
631 | .name = "ldo5", | |
632 | .of_match = of_match_ptr("LDO5"), | |
633 | .regulators_node = of_match_ptr("regulators"), | |
634 | .id = BD71828_LDO5, | |
635 | .ops = &bd71828_ldo_ops, | |
636 | .type = REGULATOR_VOLTAGE, | |
637 | .linear_ranges = bd71828_ldo_volts, | |
638 | .n_linear_ranges = ARRAY_SIZE(bd71828_ldo_volts), | |
639 | .n_voltages = BD71828_LDO_VOLTS, | |
640 | .enable_reg = BD71828_REG_LDO5_EN, | |
641 | .enable_mask = BD71828_MASK_RUN_EN, | |
642 | .vsel_reg = BD71828_REG_LDO5_VOLT, | |
643 | .vsel_mask = BD71828_MASK_LDO_VOLT, | |
644 | .of_parse_cb = buck_set_hw_dvs_levels, | |
645 | .owner = THIS_MODULE, | |
646 | }, | |
647 | /* | |
648 | * LDO5 is special. It can choose vsel settings to be configured | |
649 | * from 2 different registers (by GPIO). | |
650 | * | |
651 | * This driver supports only configuration where | |
652 | * BD71828_REG_LDO5_VOLT_L is used. | |
653 | */ | |
654 | .dvs = { | |
655 | .level_map = ROHM_DVS_LEVEL_RUN | ROHM_DVS_LEVEL_IDLE | | |
656 | ROHM_DVS_LEVEL_SUSPEND | | |
657 | ROHM_DVS_LEVEL_LPSR, | |
658 | .run_reg = BD71828_REG_LDO5_VOLT, | |
659 | .idle_reg = BD71828_REG_LDO5_VOLT, | |
660 | .suspend_reg = BD71828_REG_LDO5_VOLT, | |
661 | .lpsr_reg = BD71828_REG_LDO5_VOLT, | |
662 | .run_mask = BD71828_MASK_LDO_VOLT, | |
663 | .idle_mask = BD71828_MASK_LDO_VOLT, | |
664 | .suspend_mask = BD71828_MASK_LDO_VOLT, | |
665 | .lpsr_mask = BD71828_MASK_LDO_VOLT, | |
666 | .idle_on_mask = BD71828_MASK_IDLE_EN, | |
667 | .suspend_on_mask = BD71828_MASK_SUSP_EN, | |
668 | .lpsr_on_mask = BD71828_MASK_LPSR_EN, | |
669 | }, | |
670 | ||
671 | }, { | |
672 | .desc = { | |
673 | .name = "ldo6", | |
674 | .of_match = of_match_ptr("LDO6"), | |
675 | .regulators_node = of_match_ptr("regulators"), | |
676 | .id = BD71828_LDO6, | |
677 | .ops = &bd71828_ldo6_ops, | |
678 | .type = REGULATOR_VOLTAGE, | |
a14a0b5f | 679 | .fixed_uV = BD71828_LDO_6_VOLTAGE, |
522498f8 MV |
680 | .n_voltages = 1, |
681 | .enable_reg = BD71828_REG_LDO6_EN, | |
682 | .enable_mask = BD71828_MASK_RUN_EN, | |
683 | .owner = THIS_MODULE, | |
684 | /* | |
685 | * LDO6 only supports enable/disable for all states. | |
686 | * Voltage for LDO6 is fixed. | |
687 | */ | |
688 | .of_parse_cb = ldo6_parse_dt, | |
689 | }, | |
690 | }, { | |
691 | .desc = { | |
692 | /* SNVS LDO in data-sheet */ | |
693 | .name = "ldo7", | |
694 | .of_match = of_match_ptr("LDO7"), | |
695 | .regulators_node = of_match_ptr("regulators"), | |
696 | .id = BD71828_LDO_SNVS, | |
697 | .ops = &bd71828_ldo_ops, | |
698 | .type = REGULATOR_VOLTAGE, | |
699 | .linear_ranges = bd71828_ldo_volts, | |
700 | .n_linear_ranges = ARRAY_SIZE(bd71828_ldo_volts), | |
701 | .n_voltages = BD71828_LDO_VOLTS, | |
702 | .enable_reg = BD71828_REG_LDO7_EN, | |
703 | .enable_mask = BD71828_MASK_RUN_EN, | |
704 | .vsel_reg = BD71828_REG_LDO7_VOLT, | |
705 | .vsel_mask = BD71828_MASK_LDO_VOLT, | |
706 | .owner = THIS_MODULE, | |
707 | .of_parse_cb = buck_set_hw_dvs_levels, | |
708 | }, | |
709 | .dvs = { | |
710 | /* | |
711 | * LDO7 only supports single voltage for all states. | |
712 | * voltage can be individually enabled for each state | |
713 | * though => allow setting all states to support | |
714 | * enabling power rail on different states. | |
715 | */ | |
716 | .level_map = ROHM_DVS_LEVEL_RUN | ROHM_DVS_LEVEL_IDLE | | |
717 | ROHM_DVS_LEVEL_SUSPEND | | |
718 | ROHM_DVS_LEVEL_LPSR, | |
719 | .run_reg = BD71828_REG_LDO7_VOLT, | |
720 | .idle_reg = BD71828_REG_LDO7_VOLT, | |
721 | .suspend_reg = BD71828_REG_LDO7_VOLT, | |
722 | .lpsr_reg = BD71828_REG_LDO7_VOLT, | |
723 | .run_mask = BD71828_MASK_LDO_VOLT, | |
724 | .idle_mask = BD71828_MASK_LDO_VOLT, | |
725 | .suspend_mask = BD71828_MASK_LDO_VOLT, | |
726 | .lpsr_mask = BD71828_MASK_LDO_VOLT, | |
727 | .idle_on_mask = BD71828_MASK_IDLE_EN, | |
728 | .suspend_on_mask = BD71828_MASK_SUSP_EN, | |
729 | .lpsr_on_mask = BD71828_MASK_LPSR_EN, | |
730 | }, | |
731 | ||
732 | }, | |
733 | }; | |
734 | ||
735 | static int bd71828_probe(struct platform_device *pdev) | |
736 | { | |
522498f8 MV |
737 | int i, j, ret; |
738 | struct regulator_config config = { | |
739 | .dev = pdev->dev.parent, | |
740 | }; | |
741 | ||
3c14dbd4 MV |
742 | config.regmap = dev_get_regmap(pdev->dev.parent, NULL); |
743 | if (!config.regmap) | |
744 | return -ENODEV; | |
522498f8 MV |
745 | |
746 | for (i = 0; i < ARRAY_SIZE(bd71828_rdata); i++) { | |
747 | struct regulator_dev *rdev; | |
748 | const struct bd71828_regulator_data *rd; | |
749 | ||
750 | rd = &bd71828_rdata[i]; | |
751 | rdev = devm_regulator_register(&pdev->dev, | |
752 | &rd->desc, &config); | |
d4e93e8d MV |
753 | if (IS_ERR(rdev)) |
754 | return dev_err_probe(&pdev->dev, PTR_ERR(rdev), | |
755 | "failed to register %s regulator\n", | |
756 | rd->desc.name); | |
757 | ||
522498f8 | 758 | for (j = 0; j < rd->reg_init_amnt; j++) { |
3c14dbd4 | 759 | ret = regmap_update_bits(config.regmap, |
522498f8 MV |
760 | rd->reg_inits[j].reg, |
761 | rd->reg_inits[j].mask, | |
762 | rd->reg_inits[j].val); | |
d4e93e8d MV |
763 | if (ret) |
764 | return dev_err_probe(&pdev->dev, ret, | |
765 | "regulator %s init failed\n", | |
766 | rd->desc.name); | |
522498f8 MV |
767 | } |
768 | } | |
769 | return 0; | |
770 | } | |
771 | ||
772 | static struct platform_driver bd71828_regulator = { | |
773 | .driver = { | |
774 | .name = "bd71828-pmic" | |
775 | }, | |
776 | .probe = bd71828_probe, | |
777 | }; | |
778 | ||
779 | module_platform_driver(bd71828_regulator); | |
780 | ||
781 | MODULE_AUTHOR("Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>"); | |
782 | MODULE_DESCRIPTION("BD71828 voltage regulator driver"); | |
783 | MODULE_LICENSE("GPL"); | |
784 | MODULE_ALIAS("platform:bd71828-pmic"); |