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d2912cb1 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
be0e2d3e HZ |
2 | /* |
3 | * Regulators driver for Marvell 88PM8607 | |
4 | * | |
5 | * Copyright (C) 2009 Marvell International Ltd. | |
e54f19bf | 6 | * Haojian Zhuang <haojian.zhuang@marvell.com> |
be0e2d3e HZ |
7 | */ |
8 | #include <linux/kernel.h> | |
9 | #include <linux/init.h> | |
10 | #include <linux/err.h> | |
2e57d567 HZ |
11 | #include <linux/of.h> |
12 | #include <linux/regulator/of_regulator.h> | |
be0e2d3e HZ |
13 | #include <linux/platform_device.h> |
14 | #include <linux/regulator/driver.h> | |
15 | #include <linux/regulator/machine.h> | |
53dbab7a | 16 | #include <linux/mfd/88pm860x.h> |
65602c32 | 17 | #include <linux/module.h> |
be0e2d3e HZ |
18 | |
19 | struct pm8607_regulator_info { | |
20 | struct regulator_desc desc; | |
be0e2d3e | 21 | |
9f79e9db HZ |
22 | unsigned int *vol_suspend; |
23 | ||
be0e2d3e HZ |
24 | int slope_double; |
25 | }; | |
26 | ||
9f79e9db HZ |
27 | static const unsigned int BUCK1_table[] = { |
28 | 725000, 750000, 775000, 800000, 825000, 850000, 875000, 900000, | |
29 | 925000, 950000, 975000, 1000000, 1025000, 1050000, 1075000, 1100000, | |
30 | 1125000, 1150000, 1175000, 1200000, 1225000, 1250000, 1275000, 1300000, | |
31 | 1325000, 1350000, 1375000, 1400000, 1425000, 1450000, 1475000, 1500000, | |
32 | 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000, | |
33 | 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000, | |
34 | 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000, | |
35 | 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000, | |
36 | }; | |
be0e2d3e | 37 | |
9f79e9db HZ |
38 | static const unsigned int BUCK1_suspend_table[] = { |
39 | 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000, | |
40 | 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000, | |
41 | 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000, | |
42 | 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000, | |
43 | 800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000, | |
44 | 1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000, | |
45 | 1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000, | |
46 | 1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000, | |
47 | }; | |
48 | ||
49 | static const unsigned int BUCK2_table[] = { | |
50 | 0, 50000, 100000, 150000, 200000, 250000, 300000, 350000, | |
51 | 400000, 450000, 500000, 550000, 600000, 650000, 700000, 750000, | |
52 | 800000, 850000, 900000, 950000, 1000000, 1050000, 1100000, 1150000, | |
53 | 1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000, 1550000, | |
54 | 1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000, 1950000, | |
55 | 2000000, 2050000, 2100000, 2150000, 2200000, 2250000, 2300000, 2350000, | |
56 | 2400000, 2450000, 2500000, 2550000, 2600000, 2650000, 2700000, 2750000, | |
57 | 2800000, 2850000, 2900000, 2950000, 3000000, 3000000, 3000000, 3000000, | |
58 | }; | |
59 | ||
60 | static const unsigned int BUCK2_suspend_table[] = { | |
61 | 0, 50000, 100000, 150000, 200000, 250000, 300000, 350000, | |
62 | 400000, 450000, 500000, 550000, 600000, 650000, 700000, 750000, | |
63 | 800000, 850000, 900000, 950000, 1000000, 1050000, 1100000, 1150000, | |
64 | 1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000, 1550000, | |
65 | 1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000, 1950000, | |
66 | 2000000, 2050000, 2100000, 2150000, 2200000, 2250000, 2300000, 2350000, | |
67 | 2400000, 2450000, 2500000, 2550000, 2600000, 2650000, 2700000, 2750000, | |
68 | 2800000, 2850000, 2900000, 2950000, 3000000, 3000000, 3000000, 3000000, | |
69 | }; | |
70 | ||
71 | static const unsigned int BUCK3_table[] = { | |
e54f19bf | 72 | 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000, |
9f79e9db HZ |
73 | 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000, |
74 | 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000, | |
75 | 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000, | |
76 | 800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000, | |
77 | 1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000, | |
78 | 1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000, | |
79 | 1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000, | |
80 | }; | |
81 | ||
82 | static const unsigned int BUCK3_suspend_table[] = { | |
e54f19bf | 83 | 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000, |
9f79e9db HZ |
84 | 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000, |
85 | 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000, | |
86 | 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000, | |
87 | 800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000, | |
88 | 1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000, | |
89 | 1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000, | |
90 | 1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000, | |
91 | }; | |
92 | ||
93 | static const unsigned int LDO1_table[] = { | |
94 | 1800000, 1200000, 2800000, 0, | |
95 | }; | |
96 | ||
97 | static const unsigned int LDO1_suspend_table[] = { | |
98 | 1800000, 1200000, 0, 0, | |
99 | }; | |
100 | ||
101 | static const unsigned int LDO2_table[] = { | |
102 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000, | |
103 | }; | |
104 | ||
105 | static const unsigned int LDO2_suspend_table[] = { | |
106 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, | |
107 | }; | |
108 | ||
109 | static const unsigned int LDO3_table[] = { | |
110 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000, | |
111 | }; | |
112 | ||
113 | static const unsigned int LDO3_suspend_table[] = { | |
114 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, | |
115 | }; | |
116 | ||
117 | static const unsigned int LDO4_table[] = { | |
118 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2900000, 3300000, | |
119 | }; | |
120 | ||
121 | static const unsigned int LDO4_suspend_table[] = { | |
122 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2900000, 2900000, | |
123 | }; | |
124 | ||
125 | static const unsigned int LDO5_table[] = { | |
126 | 2900000, 3000000, 3100000, 3300000, | |
127 | }; | |
128 | ||
129 | static const unsigned int LDO5_suspend_table[] = { | |
130 | 2900000, 0, 0, 0, | |
131 | }; | |
132 | ||
133 | static const unsigned int LDO6_table[] = { | |
134 | 1800000, 1850000, 2600000, 2650000, 2700000, 2750000, 2800000, 3300000, | |
135 | }; | |
136 | ||
137 | static const unsigned int LDO6_suspend_table[] = { | |
138 | 1800000, 1850000, 2600000, 2650000, 2700000, 2750000, 2800000, 2900000, | |
139 | }; | |
140 | ||
141 | static const unsigned int LDO7_table[] = { | |
142 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, | |
143 | }; | |
144 | ||
145 | static const unsigned int LDO7_suspend_table[] = { | |
146 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, | |
147 | }; | |
148 | ||
149 | static const unsigned int LDO8_table[] = { | |
150 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, | |
151 | }; | |
152 | ||
153 | static const unsigned int LDO8_suspend_table[] = { | |
154 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, | |
155 | }; | |
156 | ||
157 | static const unsigned int LDO9_table[] = { | |
158 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000, | |
159 | }; | |
160 | ||
161 | static const unsigned int LDO9_suspend_table[] = { | |
162 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, | |
163 | }; | |
164 | ||
165 | static const unsigned int LDO10_table[] = { | |
166 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000, | |
167 | 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, | |
168 | }; | |
169 | ||
170 | static const unsigned int LDO10_suspend_table[] = { | |
171 | 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, | |
172 | 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, | |
173 | }; | |
174 | ||
175 | static const unsigned int LDO12_table[] = { | |
176 | 1800000, 1900000, 2700000, 2800000, 2900000, 3000000, 3100000, 3300000, | |
177 | 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, | |
178 | }; | |
179 | ||
180 | static const unsigned int LDO12_suspend_table[] = { | |
181 | 1800000, 1900000, 2700000, 2800000, 2900000, 2900000, 2900000, 2900000, | |
182 | 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, | |
183 | }; | |
184 | ||
185 | static const unsigned int LDO13_table[] = { | |
3380643b | 186 | 1200000, 1300000, 1800000, 2000000, 2500000, 2800000, 3000000, 0, |
9f79e9db HZ |
187 | }; |
188 | ||
189 | static const unsigned int LDO13_suspend_table[] = { | |
190 | 0, | |
191 | }; | |
192 | ||
193 | static const unsigned int LDO14_table[] = { | |
194 | 1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 3300000, | |
195 | }; | |
196 | ||
197 | static const unsigned int LDO14_suspend_table[] = { | |
198 | 1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 2900000, | |
199 | }; | |
be0e2d3e HZ |
200 | |
201 | static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index) | |
202 | { | |
203 | struct pm8607_regulator_info *info = rdev_get_drvdata(rdev); | |
2654d368 AL |
204 | int ret; |
205 | ||
206 | ret = regulator_list_voltage_table(rdev, index); | |
207 | if (ret < 0) | |
208 | return ret; | |
209 | ||
210 | if (info->slope_double) | |
211 | ret <<= 1; | |
be0e2d3e | 212 | |
be0e2d3e HZ |
213 | return ret; |
214 | } | |
215 | ||
32cb5d30 | 216 | static const struct regulator_ops pm8607_regulator_ops = { |
d3d7bccc | 217 | .list_voltage = pm8607_list_voltage, |
c6f0a0ef | 218 | .set_voltage_sel = regulator_set_voltage_sel_regmap, |
c006b21f | 219 | .get_voltage_sel = regulator_get_voltage_sel_regmap, |
ef26e0db AL |
220 | .enable = regulator_enable_regmap, |
221 | .disable = regulator_disable_regmap, | |
222 | .is_enabled = regulator_is_enabled_regmap, | |
be0e2d3e HZ |
223 | }; |
224 | ||
32cb5d30 | 225 | static const struct regulator_ops pm8606_preg_ops = { |
318c658b AL |
226 | .enable = regulator_enable_regmap, |
227 | .disable = regulator_disable_regmap, | |
228 | .is_enabled = regulator_is_enabled_regmap, | |
e7a7810a JZ |
229 | }; |
230 | ||
231 | #define PM8606_PREG(ereg, ebit) \ | |
232 | { \ | |
233 | .desc = { \ | |
234 | .name = "PREG", \ | |
e6626427 AL |
235 | .of_match = of_match_ptr("PREG"), \ |
236 | .regulators_node = of_match_ptr("regulators"), \ | |
e7a7810a JZ |
237 | .ops = &pm8606_preg_ops, \ |
238 | .type = REGULATOR_CURRENT, \ | |
239 | .id = PM8606_ID_PREG, \ | |
240 | .owner = THIS_MODULE, \ | |
241 | .enable_reg = PM8606_##ereg, \ | |
242 | .enable_mask = (ebit), \ | |
318c658b | 243 | .enable_is_inverted = true, \ |
e7a7810a JZ |
244 | }, \ |
245 | } | |
246 | ||
53b6949e | 247 | #define PM8607_DVC(vreg, ureg, ubit, ereg, ebit) \ |
be0e2d3e HZ |
248 | { \ |
249 | .desc = { \ | |
9f79e9db | 250 | .name = #vreg, \ |
e6626427 AL |
251 | .of_match = of_match_ptr(#vreg), \ |
252 | .regulators_node = of_match_ptr("regulators"), \ | |
be0e2d3e HZ |
253 | .ops = &pm8607_regulator_ops, \ |
254 | .type = REGULATOR_VOLTAGE, \ | |
9f79e9db | 255 | .id = PM8607_ID_##vreg, \ |
be0e2d3e | 256 | .owner = THIS_MODULE, \ |
2654d368 | 257 | .volt_table = vreg##_table, \ |
53b6949e | 258 | .n_voltages = ARRAY_SIZE(vreg##_table), \ |
c006b21f AL |
259 | .vsel_reg = PM8607_##vreg, \ |
260 | .vsel_mask = ARRAY_SIZE(vreg##_table) - 1, \ | |
c6f0a0ef AL |
261 | .apply_reg = PM8607_##ureg, \ |
262 | .apply_bit = (ubit), \ | |
ef26e0db AL |
263 | .enable_reg = PM8607_##ereg, \ |
264 | .enable_mask = 1 << (ebit), \ | |
be0e2d3e | 265 | }, \ |
be0e2d3e | 266 | .slope_double = (0), \ |
9f79e9db | 267 | .vol_suspend = (unsigned int *)&vreg##_suspend_table, \ |
be0e2d3e HZ |
268 | } |
269 | ||
53b6949e | 270 | #define PM8607_LDO(_id, vreg, shift, ereg, ebit) \ |
be0e2d3e HZ |
271 | { \ |
272 | .desc = { \ | |
273 | .name = "LDO" #_id, \ | |
e6626427 AL |
274 | .of_match = of_match_ptr("LDO" #_id), \ |
275 | .regulators_node = of_match_ptr("regulators"), \ | |
be0e2d3e HZ |
276 | .ops = &pm8607_regulator_ops, \ |
277 | .type = REGULATOR_VOLTAGE, \ | |
278 | .id = PM8607_ID_LDO##_id, \ | |
279 | .owner = THIS_MODULE, \ | |
2654d368 | 280 | .volt_table = LDO##_id##_table, \ |
53b6949e | 281 | .n_voltages = ARRAY_SIZE(LDO##_id##_table), \ |
c006b21f AL |
282 | .vsel_reg = PM8607_##vreg, \ |
283 | .vsel_mask = (ARRAY_SIZE(LDO##_id##_table) - 1) << (shift), \ | |
ef26e0db AL |
284 | .enable_reg = PM8607_##ereg, \ |
285 | .enable_mask = 1 << (ebit), \ | |
be0e2d3e | 286 | }, \ |
be0e2d3e | 287 | .slope_double = (0), \ |
9f79e9db | 288 | .vol_suspend = (unsigned int *)&LDO##_id##_suspend_table, \ |
be0e2d3e HZ |
289 | } |
290 | ||
291 | static struct pm8607_regulator_info pm8607_regulator_info[] = { | |
c6f0a0ef AL |
292 | PM8607_DVC(BUCK1, GO, BIT(0), SUPPLIES_EN11, 0), |
293 | PM8607_DVC(BUCK2, GO, BIT(1), SUPPLIES_EN11, 1), | |
294 | PM8607_DVC(BUCK3, GO, BIT(2), SUPPLIES_EN11, 2), | |
53b6949e AL |
295 | |
296 | PM8607_LDO(1, LDO1, 0, SUPPLIES_EN11, 3), | |
297 | PM8607_LDO(2, LDO2, 0, SUPPLIES_EN11, 4), | |
298 | PM8607_LDO(3, LDO3, 0, SUPPLIES_EN11, 5), | |
299 | PM8607_LDO(4, LDO4, 0, SUPPLIES_EN11, 6), | |
300 | PM8607_LDO(5, LDO5, 0, SUPPLIES_EN11, 7), | |
301 | PM8607_LDO(6, LDO6, 0, SUPPLIES_EN12, 0), | |
302 | PM8607_LDO(7, LDO7, 0, SUPPLIES_EN12, 1), | |
303 | PM8607_LDO(8, LDO8, 0, SUPPLIES_EN12, 2), | |
304 | PM8607_LDO(9, LDO9, 0, SUPPLIES_EN12, 3), | |
305 | PM8607_LDO(10, LDO10, 0, SUPPLIES_EN12, 4), | |
306 | PM8607_LDO(12, LDO12, 0, SUPPLIES_EN12, 5), | |
307 | PM8607_LDO(13, VIBRATOR_SET, 1, VIBRATOR_SET, 0), | |
308 | PM8607_LDO(14, LDO14, 0, SUPPLIES_EN12, 6), | |
ff13e9e2 | 309 | }; |
e7a7810a | 310 | |
ff13e9e2 | 311 | static struct pm8607_regulator_info pm8606_regulator_info[] = { |
e7a7810a | 312 | PM8606_PREG(PREREGULATORB, 5), |
be0e2d3e HZ |
313 | }; |
314 | ||
a5023574 | 315 | static int pm8607_regulator_probe(struct platform_device *pdev) |
be0e2d3e | 316 | { |
22aad001 HZ |
317 | struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent); |
318 | struct pm8607_regulator_info *info = NULL; | |
dff91d0b | 319 | struct regulator_init_data *pdata = dev_get_platdata(&pdev->dev); |
c172708d | 320 | struct regulator_config config = { }; |
0e819b51 | 321 | struct regulator_dev *rdev; |
586e1a17 | 322 | struct resource *res; |
be0e2d3e HZ |
323 | int i; |
324 | ||
02367029 | 325 | res = platform_get_resource(pdev, IORESOURCE_REG, 0); |
ff13e9e2 HZ |
326 | if (res) { |
327 | /* There're resources in 88PM8607 regulator driver */ | |
328 | for (i = 0; i < ARRAY_SIZE(pm8607_regulator_info); i++) { | |
329 | info = &pm8607_regulator_info[i]; | |
330 | if (info->desc.vsel_reg == res->start) | |
331 | break; | |
332 | } | |
333 | if (i == ARRAY_SIZE(pm8607_regulator_info)) { | |
334 | dev_err(&pdev->dev, "Failed to find regulator %llu\n", | |
335 | (unsigned long long)res->start); | |
336 | return -EINVAL; | |
337 | } | |
338 | } else { | |
339 | /* There's no resource in 88PM8606 PREG regulator driver */ | |
340 | info = &pm8606_regulator_info[0]; | |
341 | /* i is used to check regulator ID */ | |
342 | i = -1; | |
be0e2d3e | 343 | } |
be0e2d3e | 344 | |
22aad001 | 345 | /* check DVC ramp slope double */ |
0e819b51 | 346 | if ((i == PM8607_ID_BUCK3) && chip->buck3_double) |
586e1a17 | 347 | info->slope_double = 1; |
22aad001 | 348 | |
e6626427 | 349 | config.dev = chip->dev; |
c172708d MB |
350 | config.driver_data = info; |
351 | ||
e6626427 AL |
352 | if (pdata) |
353 | config.init_data = pdata; | |
2e57d567 | 354 | |
ef26e0db AL |
355 | if (chip->id == CHIP_PM8607) |
356 | config.regmap = chip->regmap; | |
357 | else | |
358 | config.regmap = chip->regmap_companion; | |
359 | ||
0e819b51 AL |
360 | rdev = devm_regulator_register(&pdev->dev, &info->desc, &config); |
361 | if (IS_ERR(rdev)) { | |
be0e2d3e HZ |
362 | dev_err(&pdev->dev, "failed to register regulator %s\n", |
363 | info->desc.name); | |
0e819b51 | 364 | return PTR_ERR(rdev); |
be0e2d3e HZ |
365 | } |
366 | ||
be0e2d3e HZ |
367 | platform_set_drvdata(pdev, info); |
368 | return 0; | |
369 | } | |
370 | ||
0cfeddbd | 371 | static const struct platform_device_id pm8607_regulator_driver_ids[] = { |
e7a7810a JZ |
372 | { |
373 | .name = "88pm860x-regulator", | |
374 | .driver_data = 0, | |
375 | }, { | |
376 | .name = "88pm860x-preg", | |
377 | .driver_data = 0, | |
378 | }, | |
379 | { }, | |
380 | }; | |
381 | MODULE_DEVICE_TABLE(platform, pm8607_regulator_driver_ids); | |
382 | ||
192bbb95 HZ |
383 | static struct platform_driver pm8607_regulator_driver = { |
384 | .driver = { | |
385 | .name = "88pm860x-regulator", | |
192bbb95 HZ |
386 | }, |
387 | .probe = pm8607_regulator_probe, | |
e7a7810a | 388 | .id_table = pm8607_regulator_driver_ids, |
be0e2d3e HZ |
389 | }; |
390 | ||
391 | static int __init pm8607_regulator_init(void) | |
392 | { | |
192bbb95 | 393 | return platform_driver_register(&pm8607_regulator_driver); |
be0e2d3e HZ |
394 | } |
395 | subsys_initcall(pm8607_regulator_init); | |
396 | ||
397 | static void __exit pm8607_regulator_exit(void) | |
398 | { | |
192bbb95 | 399 | platform_driver_unregister(&pm8607_regulator_driver); |
be0e2d3e HZ |
400 | } |
401 | module_exit(pm8607_regulator_exit); | |
402 | ||
403 | MODULE_LICENSE("GPL"); | |
404 | MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>"); | |
405 | MODULE_DESCRIPTION("Regulator Driver for Marvell 88PM8607 PMIC"); | |
406 | MODULE_ALIAS("platform:88pm8607-regulator"); |