1 | // SPDX-License-Identifier: GPL-2.0-only |
2 | // |
3 | // Copyright (C) 2020 MediaTek Inc. |
4 | // |
5 | // Author: Gene Chen <gene_chen@richtek.com> |
6 | |
7 | #include <linux/init.h> |
8 | #include <linux/kernel.h> |
9 | #include <linux/module.h> |
10 | #include <linux/of.h> |
11 | #include <linux/platform_device.h> |
12 | #include <linux/regmap.h> |
13 | #include <linux/regulator/driver.h> |
14 | #include <linux/regulator/machine.h> |
15 | |
16 | #include <dt-bindings/regulator/mediatek,mt6360-regulator.h> |
17 | |
18 | enum { |
19 | MT6360_REGULATOR_BUCK1 = 0, |
20 | MT6360_REGULATOR_BUCK2, |
21 | MT6360_REGULATOR_LDO6, |
22 | MT6360_REGULATOR_LDO7, |
23 | MT6360_REGULATOR_LDO1, |
24 | MT6360_REGULATOR_LDO2, |
25 | MT6360_REGULATOR_LDO3, |
26 | MT6360_REGULATOR_LDO5, |
27 | MT6360_REGULATOR_MAX, |
28 | }; |
29 | |
30 | struct mt6360_irq_mapping { |
31 | const char *name; |
32 | irq_handler_t handler; |
33 | }; |
34 | |
35 | struct mt6360_regulator_desc { |
36 | const struct regulator_desc desc; |
37 | unsigned int mode_reg; |
38 | unsigned int mode_mask; |
39 | unsigned int state_reg; |
40 | unsigned int state_mask; |
41 | const struct mt6360_irq_mapping *irq_tables; |
42 | int irq_table_size; |
43 | }; |
44 | |
45 | struct mt6360_regulator_data { |
46 | struct device *dev; |
47 | struct regmap *regmap; |
48 | }; |
49 | |
50 | static irqreturn_t mt6360_pgb_event_handler(int irq, void *data) |
51 | { |
52 | struct regulator_dev *rdev = data; |
53 | |
54 | regulator_notifier_call_chain(rdev, REGULATOR_EVENT_FAIL, NULL); |
55 | return IRQ_HANDLED; |
56 | } |
57 | |
58 | static irqreturn_t mt6360_oc_event_handler(int irq, void *data) |
59 | { |
60 | struct regulator_dev *rdev = data; |
61 | |
62 | regulator_notifier_call_chain(rdev, REGULATOR_EVENT_OVER_CURRENT, NULL); |
63 | return IRQ_HANDLED; |
64 | } |
65 | |
66 | static irqreturn_t mt6360_ov_event_handler(int irq, void *data) |
67 | { |
68 | struct regulator_dev *rdev = data; |
69 | |
70 | regulator_notifier_call_chain(rdev, REGULATOR_EVENT_REGULATION_OUT, NULL); |
71 | return IRQ_HANDLED; |
72 | } |
73 | |
74 | static irqreturn_t mt6360_uv_event_handler(int irq, void *data) |
75 | { |
76 | struct regulator_dev *rdev = data; |
77 | |
78 | regulator_notifier_call_chain(rdev, REGULATOR_EVENT_UNDER_VOLTAGE, NULL); |
79 | return IRQ_HANDLED; |
80 | } |
81 | |
82 | static const struct mt6360_irq_mapping buck1_irq_tbls[] = { |
83 | { "buck1_pgb_evt" , mt6360_pgb_event_handler }, |
84 | { "buck1_oc_evt" , mt6360_oc_event_handler }, |
85 | { "buck1_ov_evt" , mt6360_ov_event_handler }, |
86 | { "buck1_uv_evt" , mt6360_uv_event_handler }, |
87 | }; |
88 | |
89 | static const struct mt6360_irq_mapping buck2_irq_tbls[] = { |
90 | { "buck2_pgb_evt" , mt6360_pgb_event_handler }, |
91 | { "buck2_oc_evt" , mt6360_oc_event_handler }, |
92 | { "buck2_ov_evt" , mt6360_ov_event_handler }, |
93 | { "buck2_uv_evt" , mt6360_uv_event_handler }, |
94 | }; |
95 | |
96 | static const struct mt6360_irq_mapping ldo6_irq_tbls[] = { |
97 | { "ldo6_pgb_evt" , mt6360_pgb_event_handler }, |
98 | { "ldo6_oc_evt" , mt6360_oc_event_handler }, |
99 | }; |
100 | |
101 | static const struct mt6360_irq_mapping ldo7_irq_tbls[] = { |
102 | { "ldo7_pgb_evt" , mt6360_pgb_event_handler }, |
103 | { "ldo7_oc_evt" , mt6360_oc_event_handler }, |
104 | }; |
105 | |
106 | static const struct mt6360_irq_mapping ldo1_irq_tbls[] = { |
107 | { "ldo1_pgb_evt" , mt6360_pgb_event_handler }, |
108 | { "ldo1_oc_evt" , mt6360_oc_event_handler }, |
109 | }; |
110 | |
111 | static const struct mt6360_irq_mapping ldo2_irq_tbls[] = { |
112 | { "ldo2_pgb_evt" , mt6360_pgb_event_handler }, |
113 | { "ldo2_oc_evt" , mt6360_oc_event_handler }, |
114 | }; |
115 | |
116 | static const struct mt6360_irq_mapping ldo3_irq_tbls[] = { |
117 | { "ldo3_pgb_evt" , mt6360_pgb_event_handler }, |
118 | { "ldo3_oc_evt" , mt6360_oc_event_handler }, |
119 | }; |
120 | |
121 | static const struct mt6360_irq_mapping ldo5_irq_tbls[] = { |
122 | { "ldo5_pgb_evt" , mt6360_pgb_event_handler }, |
123 | { "ldo5_oc_evt" , mt6360_oc_event_handler }, |
124 | }; |
125 | |
126 | static const struct linear_range buck_vout_ranges[] = { |
127 | REGULATOR_LINEAR_RANGE(300000, 0x00, 0xc7, 5000), |
128 | REGULATOR_LINEAR_RANGE(1300000, 0xc8, 0xff, 0), |
129 | }; |
130 | |
131 | static const struct linear_range ldo_vout_ranges1[] = { |
132 | REGULATOR_LINEAR_RANGE(500000, 0x00, 0x09, 10000), |
133 | REGULATOR_LINEAR_RANGE(600000, 0x0a, 0x10, 0), |
134 | REGULATOR_LINEAR_RANGE(610000, 0x11, 0x19, 10000), |
135 | REGULATOR_LINEAR_RANGE(700000, 0x1a, 0x20, 0), |
136 | REGULATOR_LINEAR_RANGE(710000, 0x21, 0x29, 10000), |
137 | REGULATOR_LINEAR_RANGE(800000, 0x2a, 0x30, 0), |
138 | REGULATOR_LINEAR_RANGE(810000, 0x31, 0x39, 10000), |
139 | REGULATOR_LINEAR_RANGE(900000, 0x3a, 0x40, 0), |
140 | REGULATOR_LINEAR_RANGE(910000, 0x41, 0x49, 10000), |
141 | REGULATOR_LINEAR_RANGE(1000000, 0x4a, 0x50, 0), |
142 | REGULATOR_LINEAR_RANGE(1010000, 0x51, 0x59, 10000), |
143 | REGULATOR_LINEAR_RANGE(1100000, 0x5a, 0x60, 0), |
144 | REGULATOR_LINEAR_RANGE(1110000, 0x61, 0x69, 10000), |
145 | REGULATOR_LINEAR_RANGE(1200000, 0x6a, 0x70, 0), |
146 | REGULATOR_LINEAR_RANGE(1210000, 0x71, 0x79, 10000), |
147 | REGULATOR_LINEAR_RANGE(1300000, 0x7a, 0x80, 0), |
148 | REGULATOR_LINEAR_RANGE(1310000, 0x81, 0x89, 10000), |
149 | REGULATOR_LINEAR_RANGE(1400000, 0x8a, 0x90, 0), |
150 | REGULATOR_LINEAR_RANGE(1410000, 0x91, 0x99, 10000), |
151 | REGULATOR_LINEAR_RANGE(1500000, 0x9a, 0xa0, 0), |
152 | REGULATOR_LINEAR_RANGE(1510000, 0xa1, 0xa9, 10000), |
153 | REGULATOR_LINEAR_RANGE(1600000, 0xaa, 0xb0, 0), |
154 | REGULATOR_LINEAR_RANGE(1610000, 0xb1, 0xb9, 10000), |
155 | REGULATOR_LINEAR_RANGE(1700000, 0xba, 0xc0, 0), |
156 | REGULATOR_LINEAR_RANGE(1710000, 0xc1, 0xc9, 10000), |
157 | REGULATOR_LINEAR_RANGE(1800000, 0xca, 0xd0, 0), |
158 | REGULATOR_LINEAR_RANGE(1810000, 0xd1, 0xd9, 10000), |
159 | REGULATOR_LINEAR_RANGE(1900000, 0xda, 0xe0, 0), |
160 | REGULATOR_LINEAR_RANGE(1910000, 0xe1, 0xe9, 10000), |
161 | REGULATOR_LINEAR_RANGE(2000000, 0xea, 0xf0, 0), |
162 | REGULATOR_LINEAR_RANGE(2010000, 0xf1, 0xf9, 10000), |
163 | REGULATOR_LINEAR_RANGE(2100000, 0xfa, 0xff, 0), |
164 | }; |
165 | |
166 | static const struct linear_range ldo_vout_ranges2[] = { |
167 | REGULATOR_LINEAR_RANGE(1200000, 0x00, 0x09, 10000), |
168 | REGULATOR_LINEAR_RANGE(1300000, 0x0a, 0x10, 0), |
169 | REGULATOR_LINEAR_RANGE(1310000, 0x11, 0x19, 10000), |
170 | REGULATOR_LINEAR_RANGE(1400000, 0x1a, 0x1f, 0), |
171 | REGULATOR_LINEAR_RANGE(1500000, 0x20, 0x29, 10000), |
172 | REGULATOR_LINEAR_RANGE(1600000, 0x2a, 0x2f, 0), |
173 | REGULATOR_LINEAR_RANGE(1700000, 0x30, 0x39, 10000), |
174 | REGULATOR_LINEAR_RANGE(1800000, 0x3a, 0x40, 0), |
175 | REGULATOR_LINEAR_RANGE(1810000, 0x41, 0x49, 10000), |
176 | REGULATOR_LINEAR_RANGE(1900000, 0x4a, 0x4f, 0), |
177 | REGULATOR_LINEAR_RANGE(2000000, 0x50, 0x59, 10000), |
178 | REGULATOR_LINEAR_RANGE(2100000, 0x5a, 0x60, 0), |
179 | REGULATOR_LINEAR_RANGE(2110000, 0x61, 0x69, 10000), |
180 | REGULATOR_LINEAR_RANGE(2200000, 0x6a, 0x6f, 0), |
181 | REGULATOR_LINEAR_RANGE(2500000, 0x70, 0x79, 10000), |
182 | REGULATOR_LINEAR_RANGE(2600000, 0x7a, 0x7f, 0), |
183 | REGULATOR_LINEAR_RANGE(2700000, 0x80, 0x89, 10000), |
184 | REGULATOR_LINEAR_RANGE(2800000, 0x8a, 0x90, 0), |
185 | REGULATOR_LINEAR_RANGE(2810000, 0x91, 0x99, 10000), |
186 | REGULATOR_LINEAR_RANGE(2900000, 0x9a, 0xa0, 0), |
187 | REGULATOR_LINEAR_RANGE(2910000, 0xa1, 0xa9, 10000), |
188 | REGULATOR_LINEAR_RANGE(3000000, 0xaa, 0xb0, 0), |
189 | REGULATOR_LINEAR_RANGE(3010000, 0xb1, 0xb9, 10000), |
190 | REGULATOR_LINEAR_RANGE(3100000, 0xba, 0xc0, 0), |
191 | REGULATOR_LINEAR_RANGE(3110000, 0xc1, 0xc9, 10000), |
192 | REGULATOR_LINEAR_RANGE(3200000, 0xca, 0xcf, 0), |
193 | REGULATOR_LINEAR_RANGE(3300000, 0xd0, 0xd9, 10000), |
194 | REGULATOR_LINEAR_RANGE(3400000, 0xda, 0xe0, 0), |
195 | REGULATOR_LINEAR_RANGE(3410000, 0xe1, 0xe9, 10000), |
196 | REGULATOR_LINEAR_RANGE(3500000, 0xea, 0xf0, 0), |
197 | REGULATOR_LINEAR_RANGE(3510000, 0xf1, 0xf9, 10000), |
198 | REGULATOR_LINEAR_RANGE(3600000, 0xfa, 0xff, 0), |
199 | }; |
200 | |
201 | static const struct linear_range ldo_vout_ranges3[] = { |
202 | REGULATOR_LINEAR_RANGE(2700000, 0x00, 0x09, 10000), |
203 | REGULATOR_LINEAR_RANGE(2800000, 0x0a, 0x10, 0), |
204 | REGULATOR_LINEAR_RANGE(2810000, 0x11, 0x19, 10000), |
205 | REGULATOR_LINEAR_RANGE(2900000, 0x1a, 0x20, 0), |
206 | REGULATOR_LINEAR_RANGE(2910000, 0x21, 0x29, 10000), |
207 | REGULATOR_LINEAR_RANGE(3000000, 0x2a, 0x30, 0), |
208 | REGULATOR_LINEAR_RANGE(3010000, 0x31, 0x39, 10000), |
209 | REGULATOR_LINEAR_RANGE(3100000, 0x3a, 0x40, 0), |
210 | REGULATOR_LINEAR_RANGE(3110000, 0x41, 0x49, 10000), |
211 | REGULATOR_LINEAR_RANGE(3200000, 0x4a, 0x4f, 0), |
212 | REGULATOR_LINEAR_RANGE(3300000, 0x50, 0x59, 10000), |
213 | REGULATOR_LINEAR_RANGE(3400000, 0x5a, 0x60, 0), |
214 | REGULATOR_LINEAR_RANGE(3410000, 0x61, 0x69, 10000), |
215 | REGULATOR_LINEAR_RANGE(3500000, 0x6a, 0x70, 0), |
216 | REGULATOR_LINEAR_RANGE(3510000, 0x71, 0x79, 10000), |
217 | REGULATOR_LINEAR_RANGE(3600000, 0x7a, 0x7f, 0), |
218 | }; |
219 | |
220 | static int mt6360_regulator_set_mode(struct regulator_dev *rdev, |
221 | unsigned int mode) |
222 | { |
223 | const struct mt6360_regulator_desc *rdesc = (struct mt6360_regulator_desc *)rdev->desc; |
224 | struct regmap *regmap = rdev_get_regmap(rdev); |
225 | int shift = ffs(rdesc->mode_mask) - 1; |
226 | unsigned int val; |
227 | int ret; |
228 | |
229 | switch (mode) { |
230 | case REGULATOR_MODE_NORMAL: |
231 | val = MT6360_OPMODE_NORMAL; |
232 | break; |
233 | case REGULATOR_MODE_STANDBY: |
234 | val = MT6360_OPMODE_ULP; |
235 | break; |
236 | case REGULATOR_MODE_IDLE: |
237 | val = MT6360_OPMODE_LP; |
238 | break; |
239 | default: |
240 | return -EINVAL; |
241 | } |
242 | |
243 | ret = regmap_update_bits(map: regmap, reg: rdesc->mode_reg, mask: rdesc->mode_mask, val: val << shift); |
244 | if (ret) { |
245 | dev_err(&rdev->dev, "%s: fail (%d)\n" , __func__, ret); |
246 | return ret; |
247 | } |
248 | |
249 | return 0; |
250 | } |
251 | |
252 | static unsigned int mt6360_regulator_get_mode(struct regulator_dev *rdev) |
253 | { |
254 | const struct mt6360_regulator_desc *rdesc = (struct mt6360_regulator_desc *)rdev->desc; |
255 | struct regmap *regmap = rdev_get_regmap(rdev); |
256 | int shift = ffs(rdesc->mode_mask) - 1; |
257 | unsigned int val; |
258 | int ret; |
259 | |
260 | ret = regmap_read(map: regmap, reg: rdesc->mode_reg, val: &val); |
261 | if (ret) |
262 | return ret; |
263 | |
264 | val &= rdesc->mode_mask; |
265 | val >>= shift; |
266 | |
267 | switch (val) { |
268 | case MT6360_OPMODE_LP: |
269 | return REGULATOR_MODE_IDLE; |
270 | case MT6360_OPMODE_ULP: |
271 | return REGULATOR_MODE_STANDBY; |
272 | case MT6360_OPMODE_NORMAL: |
273 | return REGULATOR_MODE_NORMAL; |
274 | default: |
275 | return -EINVAL; |
276 | } |
277 | } |
278 | |
279 | static int mt6360_regulator_get_status(struct regulator_dev *rdev) |
280 | { |
281 | const struct mt6360_regulator_desc *rdesc = (struct mt6360_regulator_desc *)rdev->desc; |
282 | struct regmap *regmap = rdev_get_regmap(rdev); |
283 | unsigned int val; |
284 | int ret; |
285 | |
286 | ret = regmap_read(map: regmap, reg: rdesc->state_reg, val: &val); |
287 | if (ret) |
288 | return ret; |
289 | |
290 | if (val & rdesc->state_mask) |
291 | return REGULATOR_STATUS_ON; |
292 | |
293 | return REGULATOR_STATUS_OFF; |
294 | } |
295 | |
296 | static const struct regulator_ops mt6360_regulator_ops = { |
297 | .list_voltage = regulator_list_voltage_linear_range, |
298 | .enable = regulator_enable_regmap, |
299 | .disable = regulator_disable_regmap, |
300 | .is_enabled = regulator_is_enabled_regmap, |
301 | .set_voltage_sel = regulator_set_voltage_sel_regmap, |
302 | .get_voltage_sel = regulator_get_voltage_sel_regmap, |
303 | .set_mode = mt6360_regulator_set_mode, |
304 | .get_mode = mt6360_regulator_get_mode, |
305 | .get_status = mt6360_regulator_get_status, |
306 | }; |
307 | |
308 | static unsigned int mt6360_regulator_of_map_mode(unsigned int hw_mode) |
309 | { |
310 | switch (hw_mode) { |
311 | case MT6360_OPMODE_NORMAL: |
312 | return REGULATOR_MODE_NORMAL; |
313 | case MT6360_OPMODE_LP: |
314 | return REGULATOR_MODE_IDLE; |
315 | case MT6360_OPMODE_ULP: |
316 | return REGULATOR_MODE_STANDBY; |
317 | default: |
318 | return REGULATOR_MODE_INVALID; |
319 | } |
320 | } |
321 | |
322 | #define MT6360_REGULATOR_DESC(_name, _sname, ereg, emask, vreg, vmask, \ |
323 | mreg, mmask, streg, stmask, vranges, \ |
324 | vcnts, offon_delay, irq_tbls) \ |
325 | { \ |
326 | .desc = { \ |
327 | .name = #_name, \ |
328 | .supply_name = #_sname, \ |
329 | .id = MT6360_REGULATOR_##_name, \ |
330 | .of_match = of_match_ptr(#_name), \ |
331 | .regulators_node = of_match_ptr("regulator"), \ |
332 | .of_map_mode = mt6360_regulator_of_map_mode, \ |
333 | .owner = THIS_MODULE, \ |
334 | .ops = &mt6360_regulator_ops, \ |
335 | .type = REGULATOR_VOLTAGE, \ |
336 | .vsel_reg = vreg, \ |
337 | .vsel_mask = vmask, \ |
338 | .enable_reg = ereg, \ |
339 | .enable_mask = emask, \ |
340 | .linear_ranges = vranges, \ |
341 | .n_linear_ranges = ARRAY_SIZE(vranges), \ |
342 | .n_voltages = vcnts, \ |
343 | .off_on_delay = offon_delay, \ |
344 | }, \ |
345 | .mode_reg = mreg, \ |
346 | .mode_mask = mmask, \ |
347 | .state_reg = streg, \ |
348 | .state_mask = stmask, \ |
349 | .irq_tables = irq_tbls, \ |
350 | .irq_table_size = ARRAY_SIZE(irq_tbls), \ |
351 | } |
352 | |
353 | static const struct mt6360_regulator_desc mt6360_regulator_descs[] = { |
354 | MT6360_REGULATOR_DESC(BUCK1, BUCK1_VIN, 0x117, 0x40, 0x110, 0xff, 0x117, 0x30, 0x117, 0x04, |
355 | buck_vout_ranges, 256, 0, buck1_irq_tbls), |
356 | MT6360_REGULATOR_DESC(BUCK2, BUCK2_VIN, 0x127, 0x40, 0x120, 0xff, 0x127, 0x30, 0x127, 0x04, |
357 | buck_vout_ranges, 256, 0, buck2_irq_tbls), |
358 | MT6360_REGULATOR_DESC(LDO6, LDO_VIN3, 0x137, 0x40, 0x13B, 0xff, 0x137, 0x30, 0x137, 0x04, |
359 | ldo_vout_ranges1, 256, 0, ldo6_irq_tbls), |
360 | MT6360_REGULATOR_DESC(LDO7, LDO_VIN3, 0x131, 0x40, 0x135, 0xff, 0x131, 0x30, 0x131, 0x04, |
361 | ldo_vout_ranges1, 256, 0, ldo7_irq_tbls), |
362 | MT6360_REGULATOR_DESC(LDO1, LDO_VIN1, 0x217, 0x40, 0x21B, 0xff, 0x217, 0x30, 0x217, 0x04, |
363 | ldo_vout_ranges2, 256, 0, ldo1_irq_tbls), |
364 | MT6360_REGULATOR_DESC(LDO2, LDO_VIN1, 0x211, 0x40, 0x215, 0xff, 0x211, 0x30, 0x211, 0x04, |
365 | ldo_vout_ranges2, 256, 0, ldo2_irq_tbls), |
366 | MT6360_REGULATOR_DESC(LDO3, LDO_VIN1, 0x205, 0x40, 0x209, 0xff, 0x205, 0x30, 0x205, 0x04, |
367 | ldo_vout_ranges2, 256, 100, ldo3_irq_tbls), |
368 | MT6360_REGULATOR_DESC(LDO5, LDO_VIN2, 0x20B, 0x40, 0x20F, 0x7f, 0x20B, 0x30, 0x20B, 0x04, |
369 | ldo_vout_ranges3, 128, 100, ldo5_irq_tbls), |
370 | }; |
371 | |
372 | static int mt6360_regulator_irq_register(struct platform_device *pdev, |
373 | struct regulator_dev *rdev, |
374 | const struct mt6360_irq_mapping *tbls, |
375 | int tbl_size) |
376 | { |
377 | int i, irq, ret; |
378 | |
379 | for (i = 0; i < tbl_size; i++) { |
380 | const struct mt6360_irq_mapping *irq_desc = tbls + i; |
381 | |
382 | irq = platform_get_irq_byname(pdev, irq_desc->name); |
383 | if (irq < 0) |
384 | return irq; |
385 | |
386 | ret = devm_request_threaded_irq(dev: &pdev->dev, irq, NULL, thread_fn: irq_desc->handler, irqflags: 0, |
387 | devname: irq_desc->name, dev_id: rdev); |
388 | if (ret) { |
389 | dev_err(&pdev->dev, "Fail to request %s irq\n" , irq_desc->name); |
390 | return ret; |
391 | } |
392 | } |
393 | |
394 | return 0; |
395 | } |
396 | |
397 | static int mt6360_regulator_probe(struct platform_device *pdev) |
398 | { |
399 | struct mt6360_regulator_data *mrd; |
400 | struct regulator_config config = {}; |
401 | int i, ret; |
402 | |
403 | mrd = devm_kzalloc(dev: &pdev->dev, size: sizeof(*mrd), GFP_KERNEL); |
404 | if (!mrd) |
405 | return -ENOMEM; |
406 | |
407 | mrd->dev = &pdev->dev; |
408 | |
409 | mrd->regmap = dev_get_regmap(dev: pdev->dev.parent, NULL); |
410 | if (!mrd->regmap) { |
411 | dev_err(&pdev->dev, "Failed to get parent regmap\n" ); |
412 | return -ENODEV; |
413 | } |
414 | |
415 | config.dev = pdev->dev.parent; |
416 | config.driver_data = mrd; |
417 | config.regmap = mrd->regmap; |
418 | |
419 | for (i = 0; i < ARRAY_SIZE(mt6360_regulator_descs); i++) { |
420 | const struct mt6360_regulator_desc *rdesc = mt6360_regulator_descs + i; |
421 | struct regulator_dev *rdev; |
422 | |
423 | rdev = devm_regulator_register(dev: &pdev->dev, regulator_desc: &rdesc->desc, config: &config); |
424 | if (IS_ERR(ptr: rdev)) { |
425 | dev_err(&pdev->dev, "Failed to register %d regulator\n" , i); |
426 | return PTR_ERR(ptr: rdev); |
427 | } |
428 | |
429 | ret = mt6360_regulator_irq_register(pdev, rdev, tbls: rdesc->irq_tables, |
430 | tbl_size: rdesc->irq_table_size); |
431 | if (ret) { |
432 | dev_err(&pdev->dev, "Failed to register %d regulator irqs\n" , i); |
433 | return ret; |
434 | } |
435 | } |
436 | |
437 | return 0; |
438 | } |
439 | |
440 | static const struct platform_device_id mt6360_regulator_id_table[] = { |
441 | { "mt6360-regulator" , 0 }, |
442 | {}, |
443 | }; |
444 | MODULE_DEVICE_TABLE(platform, mt6360_regulator_id_table); |
445 | |
446 | static struct platform_driver mt6360_regulator_driver = { |
447 | .driver = { |
448 | .name = "mt6360-regulator" , |
449 | .probe_type = PROBE_PREFER_ASYNCHRONOUS, |
450 | }, |
451 | .probe = mt6360_regulator_probe, |
452 | .id_table = mt6360_regulator_id_table, |
453 | }; |
454 | module_platform_driver(mt6360_regulator_driver); |
455 | |
456 | MODULE_AUTHOR("Gene Chen <gene_chen@richtek.com>" ); |
457 | MODULE_DESCRIPTION("MT6360 Regulator Driver" ); |
458 | MODULE_LICENSE("GPL v2" ); |
459 | |