Commit | Line | Data |
---|---|---|
fa16a5c1 | 1 | /* |
c4aa6f31 | 2 | * twl-regulator.c -- support regulators in twl4030/twl6030 family chips |
fa16a5c1 DB |
3 | * |
4 | * Copyright (C) 2008 David Brownell | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | */ | |
11 | ||
12 | #include <linux/module.h> | |
13 | #include <linux/init.h> | |
14 | #include <linux/err.h> | |
53b8a9d9 | 15 | #include <linux/delay.h> |
fa16a5c1 | 16 | #include <linux/platform_device.h> |
2098e95c RN |
17 | #include <linux/of.h> |
18 | #include <linux/of_device.h> | |
fa16a5c1 DB |
19 | #include <linux/regulator/driver.h> |
20 | #include <linux/regulator/machine.h> | |
2098e95c | 21 | #include <linux/regulator/of_regulator.h> |
b07682b6 | 22 | #include <linux/i2c/twl.h> |
fa16a5c1 DB |
23 | |
24 | ||
25 | /* | |
c4aa6f31 | 26 | * The TWL4030/TW5030/TPS659x0/TWL6030 family chips include power management, a |
fa16a5c1 DB |
27 | * USB OTG transceiver, an RTC, ADC, PWM, and lots more. Some versions |
28 | * include an audio codec, battery charger, and more voltage regulators. | |
29 | * These chips are often used in OMAP-based systems. | |
30 | * | |
31 | * This driver implements software-based resource control for various | |
32 | * voltage regulators. This is usually augmented with state machine | |
33 | * based control. | |
34 | */ | |
35 | ||
36 | struct twlreg_info { | |
37 | /* start of regulator's PM_RECEIVER control register bank */ | |
38 | u8 base; | |
39 | ||
c4aa6f31 | 40 | /* twl resource ID, for resource control state machine */ |
fa16a5c1 DB |
41 | u8 id; |
42 | ||
43 | /* voltage in mV = table[VSEL]; table_len must be a power-of-two */ | |
44 | u8 table_len; | |
45 | const u16 *table; | |
46 | ||
045f972f JKS |
47 | /* regulator specific turn-on delay */ |
48 | u16 delay; | |
49 | ||
50 | /* State REMAP default configuration */ | |
51 | u8 remap; | |
52 | ||
fa16a5c1 DB |
53 | /* chip constraints on regulator behavior */ |
54 | u16 min_mV; | |
3e3d3be7 | 55 | u16 max_mV; |
fa16a5c1 | 56 | |
4d94aee5 GG |
57 | u8 flags; |
58 | ||
fa16a5c1 DB |
59 | /* used by regulator core */ |
60 | struct regulator_desc desc; | |
4d94aee5 GG |
61 | |
62 | /* chip specific features */ | |
63 | unsigned long features; | |
63bfff4e TK |
64 | |
65 | /* | |
66 | * optional override functions for voltage set/get | |
67 | * these are currently only used for SMPS regulators | |
68 | */ | |
69 | int (*get_voltage)(void *data); | |
70 | int (*set_voltage)(void *data, int target_uV); | |
71 | ||
72 | /* data passed from board for external get/set voltage */ | |
73 | void *data; | |
fa16a5c1 DB |
74 | }; |
75 | ||
76 | ||
77 | /* LDO control registers ... offset is from the base of its register bank. | |
78 | * The first three registers of all power resource banks help hardware to | |
79 | * manage the various resource groups. | |
80 | */ | |
441a4505 | 81 | /* Common offset in TWL4030/6030 */ |
fa16a5c1 | 82 | #define VREG_GRP 0 |
441a4505 | 83 | /* TWL4030 register offsets */ |
fa16a5c1 DB |
84 | #define VREG_TYPE 1 |
85 | #define VREG_REMAP 2 | |
86 | #define VREG_DEDICATED 3 /* LDO control */ | |
ba305e31 | 87 | #define VREG_VOLTAGE_SMPS_4030 9 |
441a4505 RN |
88 | /* TWL6030 register offsets */ |
89 | #define VREG_TRANS 1 | |
90 | #define VREG_STATE 2 | |
91 | #define VREG_VOLTAGE 3 | |
4d94aee5 | 92 | #define VREG_VOLTAGE_SMPS 4 |
441a4505 RN |
93 | /* TWL6030 Misc register offsets */ |
94 | #define VREG_BC_ALL 1 | |
95 | #define VREG_BC_REF 2 | |
96 | #define VREG_BC_PROC 3 | |
97 | #define VREG_BC_CLK_RST 4 | |
fa16a5c1 | 98 | |
21657ebf SH |
99 | /* TWL6030 LDO register values for CFG_STATE */ |
100 | #define TWL6030_CFG_STATE_OFF 0x00 | |
101 | #define TWL6030_CFG_STATE_ON 0x01 | |
9a0244ad SH |
102 | #define TWL6030_CFG_STATE_OFF2 0x02 |
103 | #define TWL6030_CFG_STATE_SLEEP 0x03 | |
21657ebf | 104 | #define TWL6030_CFG_STATE_GRP_SHIFT 5 |
b2456779 SH |
105 | #define TWL6030_CFG_STATE_APP_SHIFT 2 |
106 | #define TWL6030_CFG_STATE_APP_MASK (0x03 << TWL6030_CFG_STATE_APP_SHIFT) | |
107 | #define TWL6030_CFG_STATE_APP(v) (((v) & TWL6030_CFG_STATE_APP_MASK) >>\ | |
108 | TWL6030_CFG_STATE_APP_SHIFT) | |
21657ebf | 109 | |
4d94aee5 GG |
110 | /* Flags for SMPS Voltage reading */ |
111 | #define SMPS_OFFSET_EN BIT(0) | |
112 | #define SMPS_EXTENDED_EN BIT(1) | |
113 | ||
114 | /* twl6025 SMPS EPROM values */ | |
115 | #define TWL6030_SMPS_OFFSET 0xB0 | |
116 | #define TWL6030_SMPS_MULT 0xB3 | |
117 | #define SMPS_MULTOFFSET_SMPS4 BIT(0) | |
118 | #define SMPS_MULTOFFSET_VIO BIT(1) | |
119 | #define SMPS_MULTOFFSET_SMPS3 BIT(6) | |
120 | ||
fa16a5c1 | 121 | static inline int |
441a4505 | 122 | twlreg_read(struct twlreg_info *info, unsigned slave_subgp, unsigned offset) |
fa16a5c1 DB |
123 | { |
124 | u8 value; | |
125 | int status; | |
126 | ||
441a4505 | 127 | status = twl_i2c_read_u8(slave_subgp, |
fa16a5c1 DB |
128 | &value, info->base + offset); |
129 | return (status < 0) ? status : value; | |
130 | } | |
131 | ||
132 | static inline int | |
441a4505 RN |
133 | twlreg_write(struct twlreg_info *info, unsigned slave_subgp, unsigned offset, |
134 | u8 value) | |
fa16a5c1 | 135 | { |
441a4505 | 136 | return twl_i2c_write_u8(slave_subgp, |
fa16a5c1 DB |
137 | value, info->base + offset); |
138 | } | |
139 | ||
140 | /*----------------------------------------------------------------------*/ | |
141 | ||
142 | /* generic power resource operations, which work on all regulators */ | |
143 | ||
c4aa6f31 | 144 | static int twlreg_grp(struct regulator_dev *rdev) |
fa16a5c1 | 145 | { |
441a4505 RN |
146 | return twlreg_read(rdev_get_drvdata(rdev), TWL_MODULE_PM_RECEIVER, |
147 | VREG_GRP); | |
fa16a5c1 DB |
148 | } |
149 | ||
150 | /* | |
151 | * Enable/disable regulators by joining/leaving the P1 (processor) group. | |
152 | * We assume nobody else is updating the DEV_GRP registers. | |
153 | */ | |
441a4505 RN |
154 | /* definition for 4030 family */ |
155 | #define P3_GRP_4030 BIT(7) /* "peripherals" */ | |
156 | #define P2_GRP_4030 BIT(6) /* secondary processor, modem, etc */ | |
157 | #define P1_GRP_4030 BIT(5) /* CPU/Linux */ | |
158 | /* definition for 6030 family */ | |
159 | #define P3_GRP_6030 BIT(2) /* secondary processor, modem, etc */ | |
160 | #define P2_GRP_6030 BIT(1) /* "peripherals" */ | |
161 | #define P1_GRP_6030 BIT(0) /* CPU/Linux */ | |
fa16a5c1 | 162 | |
b2456779 | 163 | static int twl4030reg_is_enabled(struct regulator_dev *rdev) |
fa16a5c1 | 164 | { |
c4aa6f31 | 165 | int state = twlreg_grp(rdev); |
fa16a5c1 DB |
166 | |
167 | if (state < 0) | |
168 | return state; | |
169 | ||
b2456779 SH |
170 | return state & P1_GRP_4030; |
171 | } | |
172 | ||
173 | static int twl6030reg_is_enabled(struct regulator_dev *rdev) | |
174 | { | |
175 | struct twlreg_info *info = rdev_get_drvdata(rdev); | |
4d94aee5 | 176 | int grp = 0, val; |
b2456779 | 177 | |
4d94aee5 GG |
178 | if (!(twl_class_is_6030() && (info->features & TWL6025_SUBCLASS))) |
179 | grp = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_GRP); | |
b2456779 SH |
180 | if (grp < 0) |
181 | return grp; | |
182 | ||
4d94aee5 GG |
183 | if (!(twl_class_is_6030() && (info->features & TWL6025_SUBCLASS))) |
184 | grp &= P1_GRP_6030; | |
185 | else | |
186 | grp = 1; | |
b2456779 SH |
187 | |
188 | val = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_STATE); | |
189 | val = TWL6030_CFG_STATE_APP(val); | |
190 | ||
191 | return grp && (val == TWL6030_CFG_STATE_ON); | |
fa16a5c1 DB |
192 | } |
193 | ||
f8c2940b | 194 | static int twl4030reg_enable(struct regulator_dev *rdev) |
fa16a5c1 DB |
195 | { |
196 | struct twlreg_info *info = rdev_get_drvdata(rdev); | |
197 | int grp; | |
53b8a9d9 | 198 | int ret; |
fa16a5c1 | 199 | |
441a4505 | 200 | grp = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_GRP); |
fa16a5c1 DB |
201 | if (grp < 0) |
202 | return grp; | |
203 | ||
f8c2940b | 204 | grp |= P1_GRP_4030; |
441a4505 | 205 | |
53b8a9d9 JKS |
206 | ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_GRP, grp); |
207 | ||
f8c2940b B |
208 | return ret; |
209 | } | |
210 | ||
211 | static int twl6030reg_enable(struct regulator_dev *rdev) | |
212 | { | |
213 | struct twlreg_info *info = rdev_get_drvdata(rdev); | |
4d94aee5 | 214 | int grp = 0; |
f8c2940b B |
215 | int ret; |
216 | ||
4d94aee5 GG |
217 | if (!(twl_class_is_6030() && (info->features & TWL6025_SUBCLASS))) |
218 | grp = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_GRP); | |
f8c2940b B |
219 | if (grp < 0) |
220 | return grp; | |
221 | ||
222 | ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE, | |
223 | grp << TWL6030_CFG_STATE_GRP_SHIFT | | |
224 | TWL6030_CFG_STATE_ON); | |
48c936d6 AL |
225 | return ret; |
226 | } | |
21657ebf | 227 | |
48c936d6 AL |
228 | static int twl4030reg_enable_time(struct regulator_dev *rdev) |
229 | { | |
230 | struct twlreg_info *info = rdev_get_drvdata(rdev); | |
53b8a9d9 | 231 | |
48c936d6 AL |
232 | return info->delay; |
233 | } | |
234 | ||
235 | static int twl6030reg_enable_time(struct regulator_dev *rdev) | |
236 | { | |
237 | struct twlreg_info *info = rdev_get_drvdata(rdev); | |
238 | ||
239 | return info->delay; | |
fa16a5c1 DB |
240 | } |
241 | ||
0ff3897d | 242 | static int twl4030reg_disable(struct regulator_dev *rdev) |
fa16a5c1 DB |
243 | { |
244 | struct twlreg_info *info = rdev_get_drvdata(rdev); | |
245 | int grp; | |
21657ebf | 246 | int ret; |
fa16a5c1 | 247 | |
441a4505 | 248 | grp = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_GRP); |
fa16a5c1 DB |
249 | if (grp < 0) |
250 | return grp; | |
251 | ||
0ff3897d | 252 | grp &= ~(P1_GRP_4030 | P2_GRP_4030 | P3_GRP_4030); |
441a4505 | 253 | |
21657ebf SH |
254 | ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_GRP, grp); |
255 | ||
0ff3897d B |
256 | return ret; |
257 | } | |
258 | ||
259 | static int twl6030reg_disable(struct regulator_dev *rdev) | |
260 | { | |
261 | struct twlreg_info *info = rdev_get_drvdata(rdev); | |
262 | int grp = 0; | |
263 | int ret; | |
264 | ||
4d94aee5 GG |
265 | if (!(twl_class_is_6030() && (info->features & TWL6025_SUBCLASS))) |
266 | grp = P1_GRP_6030 | P2_GRP_6030 | P3_GRP_6030; | |
0ff3897d B |
267 | |
268 | /* For 6030, set the off state for all grps enabled */ | |
269 | ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE, | |
270 | (grp) << TWL6030_CFG_STATE_GRP_SHIFT | | |
271 | TWL6030_CFG_STATE_OFF); | |
21657ebf SH |
272 | |
273 | return ret; | |
fa16a5c1 DB |
274 | } |
275 | ||
9a0244ad | 276 | static int twl4030reg_get_status(struct regulator_dev *rdev) |
fa16a5c1 | 277 | { |
c4aa6f31 | 278 | int state = twlreg_grp(rdev); |
fa16a5c1 DB |
279 | |
280 | if (state < 0) | |
281 | return state; | |
282 | state &= 0x0f; | |
283 | ||
284 | /* assume state != WARM_RESET; we'd not be running... */ | |
285 | if (!state) | |
286 | return REGULATOR_STATUS_OFF; | |
287 | return (state & BIT(3)) | |
288 | ? REGULATOR_STATUS_NORMAL | |
289 | : REGULATOR_STATUS_STANDBY; | |
290 | } | |
291 | ||
9a0244ad SH |
292 | static int twl6030reg_get_status(struct regulator_dev *rdev) |
293 | { | |
294 | struct twlreg_info *info = rdev_get_drvdata(rdev); | |
295 | int val; | |
296 | ||
297 | val = twlreg_grp(rdev); | |
298 | if (val < 0) | |
299 | return val; | |
300 | ||
301 | val = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_STATE); | |
302 | ||
303 | switch (TWL6030_CFG_STATE_APP(val)) { | |
304 | case TWL6030_CFG_STATE_ON: | |
305 | return REGULATOR_STATUS_NORMAL; | |
306 | ||
307 | case TWL6030_CFG_STATE_SLEEP: | |
308 | return REGULATOR_STATUS_STANDBY; | |
309 | ||
310 | case TWL6030_CFG_STATE_OFF: | |
311 | case TWL6030_CFG_STATE_OFF2: | |
312 | default: | |
313 | break; | |
314 | } | |
315 | ||
316 | return REGULATOR_STATUS_OFF; | |
317 | } | |
318 | ||
1a39962f | 319 | static int twl4030reg_set_mode(struct regulator_dev *rdev, unsigned mode) |
fa16a5c1 DB |
320 | { |
321 | struct twlreg_info *info = rdev_get_drvdata(rdev); | |
322 | unsigned message; | |
323 | int status; | |
324 | ||
325 | /* We can only set the mode through state machine commands... */ | |
326 | switch (mode) { | |
327 | case REGULATOR_MODE_NORMAL: | |
328 | message = MSG_SINGULAR(DEV_GRP_P1, info->id, RES_STATE_ACTIVE); | |
329 | break; | |
330 | case REGULATOR_MODE_STANDBY: | |
331 | message = MSG_SINGULAR(DEV_GRP_P1, info->id, RES_STATE_SLEEP); | |
332 | break; | |
333 | default: | |
334 | return -EINVAL; | |
335 | } | |
336 | ||
337 | /* Ensure the resource is associated with some group */ | |
c4aa6f31 | 338 | status = twlreg_grp(rdev); |
fa16a5c1 DB |
339 | if (status < 0) |
340 | return status; | |
441a4505 | 341 | if (!(status & (P3_GRP_4030 | P2_GRP_4030 | P1_GRP_4030))) |
fa16a5c1 DB |
342 | return -EACCES; |
343 | ||
c4aa6f31 | 344 | status = twl_i2c_write_u8(TWL_MODULE_PM_MASTER, |
b9e26bc8 AL |
345 | message >> 8, TWL4030_PM_MASTER_PB_WORD_MSB); |
346 | if (status < 0) | |
fa16a5c1 DB |
347 | return status; |
348 | ||
c4aa6f31 | 349 | return twl_i2c_write_u8(TWL_MODULE_PM_MASTER, |
b9e26bc8 | 350 | message & 0xff, TWL4030_PM_MASTER_PB_WORD_LSB); |
fa16a5c1 DB |
351 | } |
352 | ||
1a39962f SH |
353 | static int twl6030reg_set_mode(struct regulator_dev *rdev, unsigned mode) |
354 | { | |
355 | struct twlreg_info *info = rdev_get_drvdata(rdev); | |
4d94aee5 | 356 | int grp = 0; |
1a39962f SH |
357 | int val; |
358 | ||
4d94aee5 GG |
359 | if (!(twl_class_is_6030() && (info->features & TWL6025_SUBCLASS))) |
360 | grp = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_GRP); | |
1a39962f SH |
361 | |
362 | if (grp < 0) | |
363 | return grp; | |
364 | ||
365 | /* Compose the state register settings */ | |
366 | val = grp << TWL6030_CFG_STATE_GRP_SHIFT; | |
367 | /* We can only set the mode through state machine commands... */ | |
368 | switch (mode) { | |
369 | case REGULATOR_MODE_NORMAL: | |
370 | val |= TWL6030_CFG_STATE_ON; | |
371 | break; | |
372 | case REGULATOR_MODE_STANDBY: | |
373 | val |= TWL6030_CFG_STATE_SLEEP; | |
374 | break; | |
375 | ||
376 | default: | |
377 | return -EINVAL; | |
378 | } | |
379 | ||
380 | return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE, val); | |
381 | } | |
382 | ||
fa16a5c1 DB |
383 | /*----------------------------------------------------------------------*/ |
384 | ||
385 | /* | |
386 | * Support for adjustable-voltage LDOs uses a four bit (or less) voltage | |
387 | * select field in its control register. We use tables indexed by VSEL | |
388 | * to record voltages in milliVolts. (Accuracy is about three percent.) | |
389 | * | |
390 | * Note that VSEL values for VAUX2 changed in twl5030 and newer silicon; | |
391 | * currently handled by listing two slightly different VAUX2 regulators, | |
392 | * only one of which will be configured. | |
393 | * | |
394 | * VSEL values documented as "TI cannot support these values" are flagged | |
395 | * in these tables as UNSUP() values; we normally won't assign them. | |
d6bb69cf AH |
396 | * |
397 | * VAUX3 at 3V is incorrectly listed in some TI manuals as unsupported. | |
398 | * TI are revising the twl5030/tps659x0 specs to support that 3.0V setting. | |
fa16a5c1 DB |
399 | */ |
400 | #ifdef CONFIG_TWL4030_ALLOW_UNSUPPORTED | |
401 | #define UNSUP_MASK 0x0000 | |
402 | #else | |
403 | #define UNSUP_MASK 0x8000 | |
404 | #endif | |
405 | ||
406 | #define UNSUP(x) (UNSUP_MASK | (x)) | |
407 | #define IS_UNSUP(x) (UNSUP_MASK & (x)) | |
408 | #define LDO_MV(x) (~UNSUP_MASK & (x)) | |
409 | ||
410 | ||
411 | static const u16 VAUX1_VSEL_table[] = { | |
412 | UNSUP(1500), UNSUP(1800), 2500, 2800, | |
413 | 3000, 3000, 3000, 3000, | |
414 | }; | |
415 | static const u16 VAUX2_4030_VSEL_table[] = { | |
416 | UNSUP(1000), UNSUP(1000), UNSUP(1200), 1300, | |
417 | 1500, 1800, UNSUP(1850), 2500, | |
418 | UNSUP(2600), 2800, UNSUP(2850), UNSUP(3000), | |
419 | UNSUP(3150), UNSUP(3150), UNSUP(3150), UNSUP(3150), | |
420 | }; | |
421 | static const u16 VAUX2_VSEL_table[] = { | |
422 | 1700, 1700, 1900, 1300, | |
423 | 1500, 1800, 2000, 2500, | |
424 | 2100, 2800, 2200, 2300, | |
425 | 2400, 2400, 2400, 2400, | |
426 | }; | |
427 | static const u16 VAUX3_VSEL_table[] = { | |
428 | 1500, 1800, 2500, 2800, | |
d6bb69cf | 429 | 3000, 3000, 3000, 3000, |
fa16a5c1 DB |
430 | }; |
431 | static const u16 VAUX4_VSEL_table[] = { | |
432 | 700, 1000, 1200, UNSUP(1300), | |
433 | 1500, 1800, UNSUP(1850), 2500, | |
1897e742 DB |
434 | UNSUP(2600), 2800, UNSUP(2850), UNSUP(3000), |
435 | UNSUP(3150), UNSUP(3150), UNSUP(3150), UNSUP(3150), | |
fa16a5c1 DB |
436 | }; |
437 | static const u16 VMMC1_VSEL_table[] = { | |
438 | 1850, 2850, 3000, 3150, | |
439 | }; | |
440 | static const u16 VMMC2_VSEL_table[] = { | |
441 | UNSUP(1000), UNSUP(1000), UNSUP(1200), UNSUP(1300), | |
442 | UNSUP(1500), UNSUP(1800), 1850, UNSUP(2500), | |
443 | 2600, 2800, 2850, 3000, | |
444 | 3150, 3150, 3150, 3150, | |
445 | }; | |
446 | static const u16 VPLL1_VSEL_table[] = { | |
447 | 1000, 1200, 1300, 1800, | |
448 | UNSUP(2800), UNSUP(3000), UNSUP(3000), UNSUP(3000), | |
449 | }; | |
450 | static const u16 VPLL2_VSEL_table[] = { | |
451 | 700, 1000, 1200, 1300, | |
452 | UNSUP(1500), 1800, UNSUP(1850), UNSUP(2500), | |
453 | UNSUP(2600), UNSUP(2800), UNSUP(2850), UNSUP(3000), | |
454 | UNSUP(3150), UNSUP(3150), UNSUP(3150), UNSUP(3150), | |
455 | }; | |
456 | static const u16 VSIM_VSEL_table[] = { | |
457 | UNSUP(1000), UNSUP(1200), UNSUP(1300), 1800, | |
458 | 2800, 3000, 3000, 3000, | |
459 | }; | |
460 | static const u16 VDAC_VSEL_table[] = { | |
461 | 1200, 1300, 1800, 1800, | |
462 | }; | |
07fc493f JKS |
463 | static const u16 VDD1_VSEL_table[] = { |
464 | 800, 1450, | |
465 | }; | |
466 | static const u16 VDD2_VSEL_table[] = { | |
467 | 800, 1450, 1500, | |
468 | }; | |
469 | static const u16 VIO_VSEL_table[] = { | |
470 | 1800, 1850, | |
471 | }; | |
472 | static const u16 VINTANA2_VSEL_table[] = { | |
473 | 2500, 2750, | |
474 | }; | |
fa16a5c1 | 475 | |
3e3d3be7 | 476 | static int twl4030ldo_list_voltage(struct regulator_dev *rdev, unsigned index) |
66b659e6 DB |
477 | { |
478 | struct twlreg_info *info = rdev_get_drvdata(rdev); | |
479 | int mV = info->table[index]; | |
480 | ||
481 | return IS_UNSUP(mV) ? 0 : (LDO_MV(mV) * 1000); | |
482 | } | |
483 | ||
fa16a5c1 | 484 | static int |
dd16b1f8 | 485 | twl4030ldo_set_voltage_sel(struct regulator_dev *rdev, unsigned selector) |
fa16a5c1 DB |
486 | { |
487 | struct twlreg_info *info = rdev_get_drvdata(rdev); | |
fa16a5c1 | 488 | |
dd16b1f8 AL |
489 | return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE, |
490 | selector); | |
fa16a5c1 DB |
491 | } |
492 | ||
3e3d3be7 | 493 | static int twl4030ldo_get_voltage(struct regulator_dev *rdev) |
fa16a5c1 DB |
494 | { |
495 | struct twlreg_info *info = rdev_get_drvdata(rdev); | |
441a4505 RN |
496 | int vsel = twlreg_read(info, TWL_MODULE_PM_RECEIVER, |
497 | VREG_VOLTAGE); | |
fa16a5c1 DB |
498 | |
499 | if (vsel < 0) | |
500 | return vsel; | |
501 | ||
502 | vsel &= info->table_len - 1; | |
503 | return LDO_MV(info->table[vsel]) * 1000; | |
504 | } | |
505 | ||
3e3d3be7 RN |
506 | static struct regulator_ops twl4030ldo_ops = { |
507 | .list_voltage = twl4030ldo_list_voltage, | |
66b659e6 | 508 | |
dd16b1f8 | 509 | .set_voltage_sel = twl4030ldo_set_voltage_sel, |
3e3d3be7 RN |
510 | .get_voltage = twl4030ldo_get_voltage, |
511 | ||
f8c2940b | 512 | .enable = twl4030reg_enable, |
0ff3897d | 513 | .disable = twl4030reg_disable, |
b2456779 | 514 | .is_enabled = twl4030reg_is_enabled, |
48c936d6 | 515 | .enable_time = twl4030reg_enable_time, |
3e3d3be7 | 516 | |
1a39962f | 517 | .set_mode = twl4030reg_set_mode, |
3e3d3be7 | 518 | |
9a0244ad | 519 | .get_status = twl4030reg_get_status, |
3e3d3be7 RN |
520 | }; |
521 | ||
ba305e31 TK |
522 | static int |
523 | twl4030smps_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV, | |
524 | unsigned *selector) | |
525 | { | |
526 | struct twlreg_info *info = rdev_get_drvdata(rdev); | |
527 | int vsel = DIV_ROUND_UP(min_uV - 600000, 12500); | |
528 | ||
63bfff4e TK |
529 | if (info->set_voltage) { |
530 | return info->set_voltage(info->data, min_uV); | |
531 | } else { | |
532 | twlreg_write(info, TWL_MODULE_PM_RECEIVER, | |
533 | VREG_VOLTAGE_SMPS_4030, vsel); | |
534 | } | |
535 | ||
ba305e31 TK |
536 | return 0; |
537 | } | |
538 | ||
539 | static int twl4030smps_get_voltage(struct regulator_dev *rdev) | |
540 | { | |
541 | struct twlreg_info *info = rdev_get_drvdata(rdev); | |
63bfff4e TK |
542 | int vsel; |
543 | ||
544 | if (info->get_voltage) | |
545 | return info->get_voltage(info->data); | |
546 | ||
547 | vsel = twlreg_read(info, TWL_MODULE_PM_RECEIVER, | |
ba305e31 TK |
548 | VREG_VOLTAGE_SMPS_4030); |
549 | ||
550 | return vsel * 12500 + 600000; | |
551 | } | |
552 | ||
553 | static struct regulator_ops twl4030smps_ops = { | |
554 | .set_voltage = twl4030smps_set_voltage, | |
555 | .get_voltage = twl4030smps_get_voltage, | |
556 | }; | |
557 | ||
34a38440 TK |
558 | static int twl6030coresmps_set_voltage(struct regulator_dev *rdev, int min_uV, |
559 | int max_uV, unsigned *selector) | |
560 | { | |
561 | struct twlreg_info *info = rdev_get_drvdata(rdev); | |
562 | ||
563 | if (info->set_voltage) | |
564 | return info->set_voltage(info->data, min_uV); | |
565 | ||
566 | return -ENODEV; | |
567 | } | |
568 | ||
569 | static int twl6030coresmps_get_voltage(struct regulator_dev *rdev) | |
570 | { | |
571 | struct twlreg_info *info = rdev_get_drvdata(rdev); | |
572 | ||
573 | if (info->get_voltage) | |
574 | return info->get_voltage(info->data); | |
575 | ||
576 | return -ENODEV; | |
577 | } | |
578 | ||
579 | static struct regulator_ops twl6030coresmps_ops = { | |
580 | .set_voltage = twl6030coresmps_set_voltage, | |
581 | .get_voltage = twl6030coresmps_get_voltage, | |
582 | }; | |
583 | ||
3e3d3be7 RN |
584 | static int twl6030ldo_list_voltage(struct regulator_dev *rdev, unsigned index) |
585 | { | |
586 | struct twlreg_info *info = rdev_get_drvdata(rdev); | |
587 | ||
588 | return ((info->min_mV + (index * 100)) * 1000); | |
589 | } | |
590 | ||
591 | static int | |
3a93f2a9 MB |
592 | twl6030ldo_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV, |
593 | unsigned *selector) | |
3e3d3be7 RN |
594 | { |
595 | struct twlreg_info *info = rdev_get_drvdata(rdev); | |
596 | int vsel; | |
597 | ||
598 | if ((min_uV/1000 < info->min_mV) || (max_uV/1000 > info->max_mV)) | |
599 | return -EDOM; | |
600 | ||
601 | /* | |
602 | * Use the below formula to calculate vsel | |
603 | * mV = 1000mv + 100mv * (vsel - 1) | |
604 | */ | |
605 | vsel = (min_uV/1000 - 1000)/100 + 1; | |
3a93f2a9 | 606 | *selector = vsel; |
3e3d3be7 RN |
607 | return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE, vsel); |
608 | ||
609 | } | |
610 | ||
611 | static int twl6030ldo_get_voltage(struct regulator_dev *rdev) | |
612 | { | |
613 | struct twlreg_info *info = rdev_get_drvdata(rdev); | |
614 | int vsel = twlreg_read(info, TWL_MODULE_PM_RECEIVER, | |
615 | VREG_VOLTAGE); | |
616 | ||
617 | if (vsel < 0) | |
618 | return vsel; | |
619 | ||
620 | /* | |
621 | * Use the below formula to calculate vsel | |
622 | * mV = 1000mv + 100mv * (vsel - 1) | |
623 | */ | |
624 | return (1000 + (100 * (vsel - 1))) * 1000; | |
625 | } | |
626 | ||
627 | static struct regulator_ops twl6030ldo_ops = { | |
628 | .list_voltage = twl6030ldo_list_voltage, | |
629 | ||
630 | .set_voltage = twl6030ldo_set_voltage, | |
631 | .get_voltage = twl6030ldo_get_voltage, | |
fa16a5c1 | 632 | |
f8c2940b | 633 | .enable = twl6030reg_enable, |
0ff3897d | 634 | .disable = twl6030reg_disable, |
b2456779 | 635 | .is_enabled = twl6030reg_is_enabled, |
48c936d6 | 636 | .enable_time = twl6030reg_enable_time, |
fa16a5c1 | 637 | |
1a39962f | 638 | .set_mode = twl6030reg_set_mode, |
fa16a5c1 | 639 | |
9a0244ad | 640 | .get_status = twl6030reg_get_status, |
fa16a5c1 DB |
641 | }; |
642 | ||
643 | /*----------------------------------------------------------------------*/ | |
644 | ||
645 | /* | |
646 | * Fixed voltage LDOs don't have a VSEL field to update. | |
647 | */ | |
c4aa6f31 | 648 | static int twlfixed_list_voltage(struct regulator_dev *rdev, unsigned index) |
66b659e6 DB |
649 | { |
650 | struct twlreg_info *info = rdev_get_drvdata(rdev); | |
651 | ||
652 | return info->min_mV * 1000; | |
653 | } | |
654 | ||
c4aa6f31 | 655 | static int twlfixed_get_voltage(struct regulator_dev *rdev) |
fa16a5c1 DB |
656 | { |
657 | struct twlreg_info *info = rdev_get_drvdata(rdev); | |
658 | ||
659 | return info->min_mV * 1000; | |
660 | } | |
661 | ||
b2456779 SH |
662 | static struct regulator_ops twl4030fixed_ops = { |
663 | .list_voltage = twlfixed_list_voltage, | |
664 | ||
665 | .get_voltage = twlfixed_get_voltage, | |
666 | ||
f8c2940b | 667 | .enable = twl4030reg_enable, |
0ff3897d | 668 | .disable = twl4030reg_disable, |
b2456779 | 669 | .is_enabled = twl4030reg_is_enabled, |
48c936d6 | 670 | .enable_time = twl4030reg_enable_time, |
b2456779 | 671 | |
1a39962f | 672 | .set_mode = twl4030reg_set_mode, |
b2456779 | 673 | |
9a0244ad | 674 | .get_status = twl4030reg_get_status, |
b2456779 SH |
675 | }; |
676 | ||
677 | static struct regulator_ops twl6030fixed_ops = { | |
c4aa6f31 | 678 | .list_voltage = twlfixed_list_voltage, |
66b659e6 | 679 | |
c4aa6f31 | 680 | .get_voltage = twlfixed_get_voltage, |
fa16a5c1 | 681 | |
f8c2940b | 682 | .enable = twl6030reg_enable, |
0ff3897d | 683 | .disable = twl6030reg_disable, |
b2456779 | 684 | .is_enabled = twl6030reg_is_enabled, |
48c936d6 | 685 | .enable_time = twl6030reg_enable_time, |
fa16a5c1 | 686 | |
1a39962f | 687 | .set_mode = twl6030reg_set_mode, |
fa16a5c1 | 688 | |
9a0244ad | 689 | .get_status = twl6030reg_get_status, |
fa16a5c1 DB |
690 | }; |
691 | ||
8e6de4a3 | 692 | static struct regulator_ops twl6030_fixed_resource = { |
f8c2940b | 693 | .enable = twl6030reg_enable, |
0ff3897d | 694 | .disable = twl6030reg_disable, |
b2456779 | 695 | .is_enabled = twl6030reg_is_enabled, |
48c936d6 | 696 | .enable_time = twl6030reg_enable_time, |
9a0244ad | 697 | .get_status = twl6030reg_get_status, |
8e6de4a3 B |
698 | }; |
699 | ||
4d94aee5 GG |
700 | /* |
701 | * SMPS status and control | |
702 | */ | |
703 | ||
704 | static int twl6030smps_list_voltage(struct regulator_dev *rdev, unsigned index) | |
705 | { | |
706 | struct twlreg_info *info = rdev_get_drvdata(rdev); | |
707 | ||
708 | int voltage = 0; | |
709 | ||
710 | switch (info->flags) { | |
711 | case SMPS_OFFSET_EN: | |
712 | voltage = 100000; | |
713 | /* fall through */ | |
714 | case 0: | |
715 | switch (index) { | |
716 | case 0: | |
717 | voltage = 0; | |
718 | break; | |
719 | case 58: | |
720 | voltage = 1350 * 1000; | |
721 | break; | |
722 | case 59: | |
723 | voltage = 1500 * 1000; | |
724 | break; | |
725 | case 60: | |
726 | voltage = 1800 * 1000; | |
727 | break; | |
728 | case 61: | |
729 | voltage = 1900 * 1000; | |
730 | break; | |
731 | case 62: | |
732 | voltage = 2100 * 1000; | |
733 | break; | |
734 | default: | |
735 | voltage += (600000 + (12500 * (index - 1))); | |
736 | } | |
737 | break; | |
738 | case SMPS_EXTENDED_EN: | |
739 | switch (index) { | |
740 | case 0: | |
741 | voltage = 0; | |
742 | break; | |
743 | case 58: | |
744 | voltage = 2084 * 1000; | |
745 | break; | |
746 | case 59: | |
747 | voltage = 2315 * 1000; | |
748 | break; | |
749 | case 60: | |
750 | voltage = 2778 * 1000; | |
751 | break; | |
752 | case 61: | |
753 | voltage = 2932 * 1000; | |
754 | break; | |
755 | case 62: | |
756 | voltage = 3241 * 1000; | |
757 | break; | |
758 | default: | |
759 | voltage = (1852000 + (38600 * (index - 1))); | |
760 | } | |
761 | break; | |
762 | case SMPS_OFFSET_EN | SMPS_EXTENDED_EN: | |
763 | switch (index) { | |
764 | case 0: | |
765 | voltage = 0; | |
766 | break; | |
767 | case 58: | |
768 | voltage = 4167 * 1000; | |
769 | break; | |
770 | case 59: | |
771 | voltage = 2315 * 1000; | |
772 | break; | |
773 | case 60: | |
774 | voltage = 2778 * 1000; | |
775 | break; | |
776 | case 61: | |
777 | voltage = 2932 * 1000; | |
778 | break; | |
779 | case 62: | |
780 | voltage = 3241 * 1000; | |
781 | break; | |
782 | default: | |
783 | voltage = (2161000 + (38600 * (index - 1))); | |
784 | } | |
785 | break; | |
786 | } | |
787 | ||
788 | return voltage; | |
789 | } | |
790 | ||
791 | static int | |
792 | twl6030smps_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV, | |
793 | unsigned int *selector) | |
794 | { | |
795 | struct twlreg_info *info = rdev_get_drvdata(rdev); | |
796 | int vsel = 0; | |
797 | ||
798 | switch (info->flags) { | |
799 | case 0: | |
800 | if (min_uV == 0) | |
801 | vsel = 0; | |
a33b6e5a LD |
802 | else if ((min_uV >= 600000) && (min_uV <= 1300000)) { |
803 | int calc_uV; | |
268a1641 | 804 | vsel = DIV_ROUND_UP(min_uV - 600000, 12500); |
0cb2f123 | 805 | vsel++; |
a33b6e5a LD |
806 | calc_uV = twl6030smps_list_voltage(rdev, vsel); |
807 | if (calc_uV > max_uV) | |
808 | return -EINVAL; | |
4d94aee5 GG |
809 | } |
810 | /* Values 1..57 for vsel are linear and can be calculated | |
811 | * values 58..62 are non linear. | |
812 | */ | |
813 | else if ((min_uV > 1900000) && (max_uV >= 2100000)) | |
814 | vsel = 62; | |
815 | else if ((min_uV > 1800000) && (max_uV >= 1900000)) | |
816 | vsel = 61; | |
817 | else if ((min_uV > 1500000) && (max_uV >= 1800000)) | |
818 | vsel = 60; | |
819 | else if ((min_uV > 1350000) && (max_uV >= 1500000)) | |
820 | vsel = 59; | |
821 | else if ((min_uV > 1300000) && (max_uV >= 1350000)) | |
822 | vsel = 58; | |
823 | else | |
824 | return -EINVAL; | |
825 | break; | |
826 | case SMPS_OFFSET_EN: | |
827 | if (min_uV == 0) | |
828 | vsel = 0; | |
a33b6e5a LD |
829 | else if ((min_uV >= 700000) && (min_uV <= 1420000)) { |
830 | int calc_uV; | |
268a1641 | 831 | vsel = DIV_ROUND_UP(min_uV - 700000, 12500); |
0cb2f123 | 832 | vsel++; |
a33b6e5a LD |
833 | calc_uV = twl6030smps_list_voltage(rdev, vsel); |
834 | if (calc_uV > max_uV) | |
835 | return -EINVAL; | |
4d94aee5 GG |
836 | } |
837 | /* Values 1..57 for vsel are linear and can be calculated | |
838 | * values 58..62 are non linear. | |
839 | */ | |
840 | else if ((min_uV > 1900000) && (max_uV >= 2100000)) | |
841 | vsel = 62; | |
842 | else if ((min_uV > 1800000) && (max_uV >= 1900000)) | |
843 | vsel = 61; | |
844 | else if ((min_uV > 1350000) && (max_uV >= 1800000)) | |
845 | vsel = 60; | |
846 | else if ((min_uV > 1350000) && (max_uV >= 1500000)) | |
847 | vsel = 59; | |
848 | else if ((min_uV > 1300000) && (max_uV >= 1350000)) | |
849 | vsel = 58; | |
850 | else | |
851 | return -EINVAL; | |
852 | break; | |
853 | case SMPS_EXTENDED_EN: | |
0cb2f123 | 854 | if (min_uV == 0) { |
4d94aee5 | 855 | vsel = 0; |
0cb2f123 | 856 | } else if ((min_uV >= 1852000) && (max_uV <= 4013600)) { |
268a1641 | 857 | vsel = DIV_ROUND_UP(min_uV - 1852000, 38600); |
0cb2f123 AL |
858 | vsel++; |
859 | } | |
4d94aee5 GG |
860 | break; |
861 | case SMPS_OFFSET_EN|SMPS_EXTENDED_EN: | |
0cb2f123 | 862 | if (min_uV == 0) { |
4d94aee5 | 863 | vsel = 0; |
0cb2f123 | 864 | } else if ((min_uV >= 2161000) && (max_uV <= 4321000)) { |
268a1641 | 865 | vsel = DIV_ROUND_UP(min_uV - 2161000, 38600); |
0cb2f123 AL |
866 | vsel++; |
867 | } | |
4d94aee5 GG |
868 | break; |
869 | } | |
870 | ||
871 | *selector = vsel; | |
872 | ||
873 | return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE_SMPS, | |
874 | vsel); | |
875 | } | |
876 | ||
877 | static int twl6030smps_get_voltage_sel(struct regulator_dev *rdev) | |
878 | { | |
879 | struct twlreg_info *info = rdev_get_drvdata(rdev); | |
880 | ||
881 | return twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE_SMPS); | |
882 | } | |
883 | ||
884 | static struct regulator_ops twlsmps_ops = { | |
885 | .list_voltage = twl6030smps_list_voltage, | |
886 | ||
887 | .set_voltage = twl6030smps_set_voltage, | |
888 | .get_voltage_sel = twl6030smps_get_voltage_sel, | |
889 | ||
890 | .enable = twl6030reg_enable, | |
891 | .disable = twl6030reg_disable, | |
892 | .is_enabled = twl6030reg_is_enabled, | |
48c936d6 | 893 | .enable_time = twl6030reg_enable_time, |
4d94aee5 GG |
894 | |
895 | .set_mode = twl6030reg_set_mode, | |
896 | ||
897 | .get_status = twl6030reg_get_status, | |
898 | }; | |
899 | ||
fa16a5c1 DB |
900 | /*----------------------------------------------------------------------*/ |
901 | ||
045f972f JKS |
902 | #define TWL4030_FIXED_LDO(label, offset, mVolts, num, turnon_delay, \ |
903 | remap_conf) \ | |
904 | TWL_FIXED_LDO(label, offset, mVolts, num, turnon_delay, \ | |
b2456779 | 905 | remap_conf, TWL4030, twl4030fixed_ops) |
af8b244f A |
906 | #define TWL6030_FIXED_LDO(label, offset, mVolts, turnon_delay) \ |
907 | TWL_FIXED_LDO(label, offset, mVolts, 0x0, turnon_delay, \ | |
b2456779 | 908 | 0x0, TWL6030, twl6030fixed_ops) |
045f972f | 909 | |
2098e95c RN |
910 | #define TWL4030_ADJUSTABLE_LDO(label, offset, num, turnon_delay, remap_conf) \ |
911 | static struct twlreg_info TWL4030_INFO_##label = { \ | |
fa16a5c1 DB |
912 | .base = offset, \ |
913 | .id = num, \ | |
914 | .table_len = ARRAY_SIZE(label##_VSEL_table), \ | |
915 | .table = label##_VSEL_table, \ | |
045f972f JKS |
916 | .delay = turnon_delay, \ |
917 | .remap = remap_conf, \ | |
fa16a5c1 DB |
918 | .desc = { \ |
919 | .name = #label, \ | |
3e3d3be7 | 920 | .id = TWL4030_REG_##label, \ |
66b659e6 | 921 | .n_voltages = ARRAY_SIZE(label##_VSEL_table), \ |
3e3d3be7 RN |
922 | .ops = &twl4030ldo_ops, \ |
923 | .type = REGULATOR_VOLTAGE, \ | |
924 | .owner = THIS_MODULE, \ | |
925 | }, \ | |
926 | } | |
927 | ||
ba305e31 | 928 | #define TWL4030_ADJUSTABLE_SMPS(label, offset, num, turnon_delay, remap_conf) \ |
2098e95c | 929 | static struct twlreg_info TWL4030_INFO_##label = { \ |
ba305e31 TK |
930 | .base = offset, \ |
931 | .id = num, \ | |
932 | .delay = turnon_delay, \ | |
933 | .remap = remap_conf, \ | |
934 | .desc = { \ | |
935 | .name = #label, \ | |
936 | .id = TWL4030_REG_##label, \ | |
937 | .ops = &twl4030smps_ops, \ | |
938 | .type = REGULATOR_VOLTAGE, \ | |
939 | .owner = THIS_MODULE, \ | |
940 | }, \ | |
941 | } | |
942 | ||
2098e95c RN |
943 | #define TWL6030_ADJUSTABLE_SMPS(label) \ |
944 | static struct twlreg_info TWL6030_INFO_##label = { \ | |
34a38440 TK |
945 | .desc = { \ |
946 | .name = #label, \ | |
947 | .id = TWL6030_REG_##label, \ | |
948 | .ops = &twl6030coresmps_ops, \ | |
949 | .type = REGULATOR_VOLTAGE, \ | |
950 | .owner = THIS_MODULE, \ | |
951 | }, \ | |
952 | } | |
953 | ||
2098e95c RN |
954 | #define TWL6030_ADJUSTABLE_LDO(label, offset, min_mVolts, max_mVolts) \ |
955 | static struct twlreg_info TWL6030_INFO_##label = { \ | |
3e3d3be7 | 956 | .base = offset, \ |
3e3d3be7 RN |
957 | .min_mV = min_mVolts, \ |
958 | .max_mV = max_mVolts, \ | |
3e3d3be7 RN |
959 | .desc = { \ |
960 | .name = #label, \ | |
961 | .id = TWL6030_REG_##label, \ | |
7736f11d | 962 | .n_voltages = (max_mVolts - min_mVolts)/100 + 1, \ |
3e3d3be7 | 963 | .ops = &twl6030ldo_ops, \ |
fa16a5c1 DB |
964 | .type = REGULATOR_VOLTAGE, \ |
965 | .owner = THIS_MODULE, \ | |
966 | }, \ | |
967 | } | |
968 | ||
2098e95c RN |
969 | #define TWL6025_ADJUSTABLE_LDO(label, offset, min_mVolts, max_mVolts) \ |
970 | static struct twlreg_info TWL6025_INFO_##label = { \ | |
4d94aee5 | 971 | .base = offset, \ |
4d94aee5 GG |
972 | .min_mV = min_mVolts, \ |
973 | .max_mV = max_mVolts, \ | |
974 | .desc = { \ | |
975 | .name = #label, \ | |
976 | .id = TWL6025_REG_##label, \ | |
977 | .n_voltages = ((max_mVolts - min_mVolts)/100) + 1, \ | |
978 | .ops = &twl6030ldo_ops, \ | |
979 | .type = REGULATOR_VOLTAGE, \ | |
980 | .owner = THIS_MODULE, \ | |
981 | }, \ | |
982 | } | |
3e3d3be7 | 983 | |
045f972f | 984 | #define TWL_FIXED_LDO(label, offset, mVolts, num, turnon_delay, remap_conf, \ |
2098e95c RN |
985 | family, operations) \ |
986 | static struct twlreg_info TWLFIXED_INFO_##label = { \ | |
fa16a5c1 DB |
987 | .base = offset, \ |
988 | .id = num, \ | |
989 | .min_mV = mVolts, \ | |
045f972f JKS |
990 | .delay = turnon_delay, \ |
991 | .remap = remap_conf, \ | |
fa16a5c1 DB |
992 | .desc = { \ |
993 | .name = #label, \ | |
c4aa6f31 | 994 | .id = family##_REG_##label, \ |
66b659e6 | 995 | .n_voltages = 1, \ |
b2456779 | 996 | .ops = &operations, \ |
fa16a5c1 DB |
997 | .type = REGULATOR_VOLTAGE, \ |
998 | .owner = THIS_MODULE, \ | |
999 | }, \ | |
1000 | } | |
1001 | ||
2098e95c RN |
1002 | #define TWL6030_FIXED_RESOURCE(label, offset, turnon_delay) \ |
1003 | static struct twlreg_info TWLRES_INFO_##label = { \ | |
8e6de4a3 | 1004 | .base = offset, \ |
8e6de4a3 | 1005 | .delay = turnon_delay, \ |
8e6de4a3 B |
1006 | .desc = { \ |
1007 | .name = #label, \ | |
1008 | .id = TWL6030_REG_##label, \ | |
1009 | .ops = &twl6030_fixed_resource, \ | |
1010 | .type = REGULATOR_VOLTAGE, \ | |
1011 | .owner = THIS_MODULE, \ | |
1012 | }, \ | |
1013 | } | |
1014 | ||
2098e95c RN |
1015 | #define TWL6025_ADJUSTABLE_SMPS(label, offset) \ |
1016 | static struct twlreg_info TWLSMPS_INFO_##label = { \ | |
4d94aee5 | 1017 | .base = offset, \ |
4d94aee5 GG |
1018 | .min_mV = 600, \ |
1019 | .max_mV = 2100, \ | |
1020 | .desc = { \ | |
1021 | .name = #label, \ | |
1022 | .id = TWL6025_REG_##label, \ | |
1023 | .n_voltages = 63, \ | |
1024 | .ops = &twlsmps_ops, \ | |
1025 | .type = REGULATOR_VOLTAGE, \ | |
1026 | .owner = THIS_MODULE, \ | |
1027 | }, \ | |
1028 | } | |
1029 | ||
fa16a5c1 DB |
1030 | /* |
1031 | * We list regulators here if systems need some level of | |
1032 | * software control over them after boot. | |
1033 | */ | |
2098e95c RN |
1034 | TWL4030_ADJUSTABLE_LDO(VAUX1, 0x17, 1, 100, 0x08); |
1035 | TWL4030_ADJUSTABLE_LDO(VAUX2_4030, 0x1b, 2, 100, 0x08); | |
1036 | TWL4030_ADJUSTABLE_LDO(VAUX2, 0x1b, 2, 100, 0x08); | |
1037 | TWL4030_ADJUSTABLE_LDO(VAUX3, 0x1f, 3, 100, 0x08); | |
1038 | TWL4030_ADJUSTABLE_LDO(VAUX4, 0x23, 4, 100, 0x08); | |
1039 | TWL4030_ADJUSTABLE_LDO(VMMC1, 0x27, 5, 100, 0x08); | |
1040 | TWL4030_ADJUSTABLE_LDO(VMMC2, 0x2b, 6, 100, 0x08); | |
1041 | TWL4030_ADJUSTABLE_LDO(VPLL1, 0x2f, 7, 100, 0x00); | |
1042 | TWL4030_ADJUSTABLE_LDO(VPLL2, 0x33, 8, 100, 0x08); | |
1043 | TWL4030_ADJUSTABLE_LDO(VSIM, 0x37, 9, 100, 0x00); | |
1044 | TWL4030_ADJUSTABLE_LDO(VDAC, 0x3b, 10, 100, 0x08); | |
1045 | TWL4030_ADJUSTABLE_LDO(VINTANA2, 0x43, 12, 100, 0x08); | |
1046 | TWL4030_ADJUSTABLE_LDO(VIO, 0x4b, 14, 1000, 0x08); | |
1047 | TWL4030_ADJUSTABLE_SMPS(VDD1, 0x55, 15, 1000, 0x08); | |
1048 | TWL4030_ADJUSTABLE_SMPS(VDD2, 0x63, 16, 1000, 0x08); | |
1049 | /* VUSBCP is managed *only* by the USB subchip */ | |
1050 | /* 6030 REG with base as PMC Slave Misc : 0x0030 */ | |
1051 | /* Turnon-delay and remap configuration values for 6030 are not | |
1052 | verified since the specification is not public */ | |
1053 | TWL6030_ADJUSTABLE_SMPS(VDD1); | |
1054 | TWL6030_ADJUSTABLE_SMPS(VDD2); | |
1055 | TWL6030_ADJUSTABLE_SMPS(VDD3); | |
1056 | TWL6030_ADJUSTABLE_LDO(VAUX1_6030, 0x54, 1000, 3300); | |
1057 | TWL6030_ADJUSTABLE_LDO(VAUX2_6030, 0x58, 1000, 3300); | |
1058 | TWL6030_ADJUSTABLE_LDO(VAUX3_6030, 0x5c, 1000, 3300); | |
1059 | TWL6030_ADJUSTABLE_LDO(VMMC, 0x68, 1000, 3300); | |
1060 | TWL6030_ADJUSTABLE_LDO(VPP, 0x6c, 1000, 3300); | |
1061 | TWL6030_ADJUSTABLE_LDO(VUSIM, 0x74, 1000, 3300); | |
1062 | /* 6025 are renamed compared to 6030 versions */ | |
1063 | TWL6025_ADJUSTABLE_LDO(LDO2, 0x54, 1000, 3300); | |
1064 | TWL6025_ADJUSTABLE_LDO(LDO4, 0x58, 1000, 3300); | |
1065 | TWL6025_ADJUSTABLE_LDO(LDO3, 0x5c, 1000, 3300); | |
1066 | TWL6025_ADJUSTABLE_LDO(LDO5, 0x68, 1000, 3300); | |
1067 | TWL6025_ADJUSTABLE_LDO(LDO1, 0x6c, 1000, 3300); | |
1068 | TWL6025_ADJUSTABLE_LDO(LDO7, 0x74, 1000, 3300); | |
1069 | TWL6025_ADJUSTABLE_LDO(LDO6, 0x60, 1000, 3300); | |
1070 | TWL6025_ADJUSTABLE_LDO(LDOLN, 0x64, 1000, 3300); | |
1071 | TWL6025_ADJUSTABLE_LDO(LDOUSB, 0x70, 1000, 3300); | |
1072 | TWL4030_FIXED_LDO(VINTANA2, 0x3f, 1500, 11, 100, 0x08); | |
1073 | TWL4030_FIXED_LDO(VINTDIG, 0x47, 1500, 13, 100, 0x08); | |
1074 | TWL4030_FIXED_LDO(VUSB1V5, 0x71, 1500, 17, 100, 0x08); | |
1075 | TWL4030_FIXED_LDO(VUSB1V8, 0x74, 1800, 18, 100, 0x08); | |
1076 | TWL4030_FIXED_LDO(VUSB3V1, 0x77, 3100, 19, 150, 0x08); | |
1077 | TWL6030_FIXED_LDO(VANA, 0x50, 2100, 0); | |
1078 | TWL6030_FIXED_LDO(VCXIO, 0x60, 1800, 0); | |
1079 | TWL6030_FIXED_LDO(VDAC, 0x64, 1800, 0); | |
1080 | TWL6030_FIXED_LDO(VUSB, 0x70, 3300, 0); | |
e9d47fa4 PU |
1081 | TWL6030_FIXED_LDO(V1V8, 0x16, 1800, 0); |
1082 | TWL6030_FIXED_LDO(V2V1, 0x1c, 2100, 0); | |
2098e95c RN |
1083 | TWL6030_FIXED_RESOURCE(CLK32KG, 0x8C, 0); |
1084 | TWL6025_ADJUSTABLE_SMPS(SMPS3, 0x34); | |
1085 | TWL6025_ADJUSTABLE_SMPS(SMPS4, 0x10); | |
1086 | TWL6025_ADJUSTABLE_SMPS(VIO, 0x16); | |
fa16a5c1 | 1087 | |
4d94aee5 GG |
1088 | static u8 twl_get_smps_offset(void) |
1089 | { | |
1090 | u8 value; | |
1091 | ||
1092 | twl_i2c_read_u8(TWL_MODULE_PM_RECEIVER, &value, | |
1093 | TWL6030_SMPS_OFFSET); | |
1094 | return value; | |
1095 | } | |
1096 | ||
1097 | static u8 twl_get_smps_mult(void) | |
1098 | { | |
1099 | u8 value; | |
1100 | ||
1101 | twl_i2c_read_u8(TWL_MODULE_PM_RECEIVER, &value, | |
1102 | TWL6030_SMPS_MULT); | |
1103 | return value; | |
1104 | } | |
1105 | ||
2098e95c RN |
1106 | #define TWL_OF_MATCH(comp, family, label) \ |
1107 | { \ | |
1108 | .compatible = comp, \ | |
1109 | .data = &family##_INFO_##label, \ | |
1110 | } | |
1111 | ||
1112 | #define TWL4030_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWL4030, label) | |
1113 | #define TWL6030_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWL6030, label) | |
1114 | #define TWL6025_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWL6025, label) | |
1115 | #define TWLFIXED_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWLFIXED, label) | |
1116 | #define TWLRES_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWLRES, label) | |
1117 | #define TWLSMPS_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWLSMPS, label) | |
1118 | ||
1119 | static const struct of_device_id twl_of_match[] __devinitconst = { | |
1120 | TWL4030_OF_MATCH("ti,twl4030-vaux1", VAUX1), | |
1121 | TWL4030_OF_MATCH("ti,twl4030-vaux2", VAUX2_4030), | |
1122 | TWL4030_OF_MATCH("ti,twl5030-vaux2", VAUX2), | |
1123 | TWL4030_OF_MATCH("ti,twl4030-vaux3", VAUX3), | |
1124 | TWL4030_OF_MATCH("ti,twl4030-vaux4", VAUX4), | |
1125 | TWL4030_OF_MATCH("ti,twl4030-vmmc1", VMMC1), | |
1126 | TWL4030_OF_MATCH("ti,twl4030-vmmc2", VMMC2), | |
1127 | TWL4030_OF_MATCH("ti,twl4030-vpll1", VPLL1), | |
1128 | TWL4030_OF_MATCH("ti,twl4030-vpll2", VPLL2), | |
1129 | TWL4030_OF_MATCH("ti,twl4030-vsim", VSIM), | |
1130 | TWL4030_OF_MATCH("ti,twl4030-vdac", VDAC), | |
1131 | TWL4030_OF_MATCH("ti,twl4030-vintana2", VINTANA2), | |
1132 | TWL4030_OF_MATCH("ti,twl4030-vio", VIO), | |
1133 | TWL4030_OF_MATCH("ti,twl4030-vdd1", VDD1), | |
1134 | TWL4030_OF_MATCH("ti,twl4030-vdd2", VDD2), | |
1135 | TWL6030_OF_MATCH("ti,twl6030-vdd1", VDD1), | |
1136 | TWL6030_OF_MATCH("ti,twl6030-vdd2", VDD2), | |
1137 | TWL6030_OF_MATCH("ti,twl6030-vdd3", VDD3), | |
1138 | TWL6030_OF_MATCH("ti,twl6030-vaux1", VAUX1_6030), | |
1139 | TWL6030_OF_MATCH("ti,twl6030-vaux2", VAUX2_6030), | |
1140 | TWL6030_OF_MATCH("ti,twl6030-vaux3", VAUX3_6030), | |
1141 | TWL6030_OF_MATCH("ti,twl6030-vmmc", VMMC), | |
1142 | TWL6030_OF_MATCH("ti,twl6030-vpp", VPP), | |
1143 | TWL6030_OF_MATCH("ti,twl6030-vusim", VUSIM), | |
1144 | TWL6025_OF_MATCH("ti,twl6025-ldo2", LDO2), | |
1145 | TWL6025_OF_MATCH("ti,twl6025-ldo4", LDO4), | |
1146 | TWL6025_OF_MATCH("ti,twl6025-ldo3", LDO3), | |
1147 | TWL6025_OF_MATCH("ti,twl6025-ldo5", LDO5), | |
1148 | TWL6025_OF_MATCH("ti,twl6025-ldo1", LDO1), | |
1149 | TWL6025_OF_MATCH("ti,twl6025-ldo7", LDO7), | |
1150 | TWL6025_OF_MATCH("ti,twl6025-ldo6", LDO6), | |
1151 | TWL6025_OF_MATCH("ti,twl6025-ldoln", LDOLN), | |
1152 | TWL6025_OF_MATCH("ti,twl6025-ldousb", LDOUSB), | |
1153 | TWLFIXED_OF_MATCH("ti,twl4030-vintana2", VINTANA2), | |
1154 | TWLFIXED_OF_MATCH("ti,twl4030-vintdig", VINTDIG), | |
1155 | TWLFIXED_OF_MATCH("ti,twl4030-vusb1v5", VUSB1V5), | |
1156 | TWLFIXED_OF_MATCH("ti,twl4030-vusb1v8", VUSB1V8), | |
1157 | TWLFIXED_OF_MATCH("ti,twl4030-vusb3v1", VUSB3V1), | |
1158 | TWLFIXED_OF_MATCH("ti,twl6030-vana", VANA), | |
1159 | TWLFIXED_OF_MATCH("ti,twl6030-vcxio", VCXIO), | |
1160 | TWLFIXED_OF_MATCH("ti,twl6030-vdac", VDAC), | |
1161 | TWLFIXED_OF_MATCH("ti,twl6030-vusb", VUSB), | |
e9d47fa4 PU |
1162 | TWLFIXED_OF_MATCH("ti,twl6030-v1v8", V1V8), |
1163 | TWLFIXED_OF_MATCH("ti,twl6030-v2v1", V2V1), | |
2098e95c RN |
1164 | TWLRES_OF_MATCH("ti,twl6030-clk32kg", CLK32KG), |
1165 | TWLSMPS_OF_MATCH("ti,twl6025-smps3", SMPS3), | |
1166 | TWLSMPS_OF_MATCH("ti,twl6025-smps4", SMPS4), | |
1167 | TWLSMPS_OF_MATCH("ti,twl6025-vio", VIO), | |
1168 | {}, | |
1169 | }; | |
1170 | MODULE_DEVICE_TABLE(of, twl_of_match); | |
1171 | ||
24c29020 | 1172 | static int __devinit twlreg_probe(struct platform_device *pdev) |
fa16a5c1 | 1173 | { |
2098e95c | 1174 | int i, id; |
fa16a5c1 DB |
1175 | struct twlreg_info *info; |
1176 | struct regulator_init_data *initdata; | |
1177 | struct regulation_constraints *c; | |
1178 | struct regulator_dev *rdev; | |
63bfff4e | 1179 | struct twl_regulator_driver_data *drvdata; |
2098e95c | 1180 | const struct of_device_id *match; |
c172708d | 1181 | struct regulator_config config = { }; |
2098e95c RN |
1182 | |
1183 | match = of_match_device(twl_of_match, &pdev->dev); | |
1184 | if (match) { | |
1185 | info = match->data; | |
1186 | id = info->desc.id; | |
1187 | initdata = of_get_regulator_init_data(&pdev->dev, | |
1188 | pdev->dev.of_node); | |
1189 | drvdata = NULL; | |
1190 | } else { | |
1191 | id = pdev->id; | |
1192 | initdata = pdev->dev.platform_data; | |
1193 | for (i = 0, info = NULL; i < ARRAY_SIZE(twl_of_match); i++) { | |
1194 | info = twl_of_match[i].data; | |
5ade3935 AL |
1195 | if (info && info->desc.id == id) |
1196 | break; | |
2098e95c | 1197 | } |
5ade3935 AL |
1198 | if (i == ARRAY_SIZE(twl_of_match)) |
1199 | return -ENODEV; | |
1200 | ||
2098e95c RN |
1201 | drvdata = initdata->driver_data; |
1202 | if (!drvdata) | |
1203 | return -EINVAL; | |
fa16a5c1 | 1204 | } |
2098e95c | 1205 | |
fa16a5c1 DB |
1206 | if (!info) |
1207 | return -ENODEV; | |
1208 | ||
fa16a5c1 DB |
1209 | if (!initdata) |
1210 | return -EINVAL; | |
1211 | ||
2098e95c RN |
1212 | if (drvdata) { |
1213 | /* copy the driver data into regulator data */ | |
1214 | info->features = drvdata->features; | |
1215 | info->data = drvdata->data; | |
1216 | info->set_voltage = drvdata->set_voltage; | |
1217 | info->get_voltage = drvdata->get_voltage; | |
1218 | } | |
4d94aee5 | 1219 | |
fa16a5c1 DB |
1220 | /* Constrain board-specific capabilities according to what |
1221 | * this driver and the chip itself can actually do. | |
1222 | */ | |
1223 | c = &initdata->constraints; | |
fa16a5c1 DB |
1224 | c->valid_modes_mask &= REGULATOR_MODE_NORMAL | REGULATOR_MODE_STANDBY; |
1225 | c->valid_ops_mask &= REGULATOR_CHANGE_VOLTAGE | |
1226 | | REGULATOR_CHANGE_MODE | |
1227 | | REGULATOR_CHANGE_STATUS; | |
2098e95c | 1228 | switch (id) { |
205e5cd3 JKS |
1229 | case TWL4030_REG_VIO: |
1230 | case TWL4030_REG_VDD1: | |
1231 | case TWL4030_REG_VDD2: | |
1232 | case TWL4030_REG_VPLL1: | |
1233 | case TWL4030_REG_VINTANA1: | |
1234 | case TWL4030_REG_VINTANA2: | |
1235 | case TWL4030_REG_VINTDIG: | |
1236 | c->always_on = true; | |
1237 | break; | |
1238 | default: | |
1239 | break; | |
1240 | } | |
fa16a5c1 | 1241 | |
2098e95c | 1242 | switch (id) { |
4d94aee5 GG |
1243 | case TWL6025_REG_SMPS3: |
1244 | if (twl_get_smps_mult() & SMPS_MULTOFFSET_SMPS3) | |
1245 | info->flags |= SMPS_EXTENDED_EN; | |
1246 | if (twl_get_smps_offset() & SMPS_MULTOFFSET_SMPS3) | |
1247 | info->flags |= SMPS_OFFSET_EN; | |
1248 | break; | |
1249 | case TWL6025_REG_SMPS4: | |
1250 | if (twl_get_smps_mult() & SMPS_MULTOFFSET_SMPS4) | |
1251 | info->flags |= SMPS_EXTENDED_EN; | |
1252 | if (twl_get_smps_offset() & SMPS_MULTOFFSET_SMPS4) | |
1253 | info->flags |= SMPS_OFFSET_EN; | |
1254 | break; | |
1255 | case TWL6025_REG_VIO: | |
1256 | if (twl_get_smps_mult() & SMPS_MULTOFFSET_VIO) | |
1257 | info->flags |= SMPS_EXTENDED_EN; | |
1258 | if (twl_get_smps_offset() & SMPS_MULTOFFSET_VIO) | |
1259 | info->flags |= SMPS_OFFSET_EN; | |
1260 | break; | |
1261 | } | |
1262 | ||
c172708d MB |
1263 | config.dev = &pdev->dev; |
1264 | config.init_data = initdata; | |
1265 | config.driver_data = info; | |
1266 | config.of_node = pdev->dev.of_node; | |
1267 | ||
1268 | rdev = regulator_register(&info->desc, &config); | |
fa16a5c1 DB |
1269 | if (IS_ERR(rdev)) { |
1270 | dev_err(&pdev->dev, "can't register %s, %ld\n", | |
1271 | info->desc.name, PTR_ERR(rdev)); | |
1272 | return PTR_ERR(rdev); | |
1273 | } | |
1274 | platform_set_drvdata(pdev, rdev); | |
1275 | ||
776dc923 SH |
1276 | if (twl_class_is_4030()) |
1277 | twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_REMAP, | |
30010fa5 JKS |
1278 | info->remap); |
1279 | ||
fa16a5c1 DB |
1280 | /* NOTE: many regulators support short-circuit IRQs (presentable |
1281 | * as REGULATOR_OVER_CURRENT notifications?) configured via: | |
1282 | * - SC_CONFIG | |
1283 | * - SC_DETECT1 (vintana2, vmmc1/2, vaux1/2/3/4) | |
1284 | * - SC_DETECT2 (vusb, vdac, vio, vdd1/2, vpll2) | |
1285 | * - IT_CONFIG | |
1286 | */ | |
1287 | ||
1288 | return 0; | |
1289 | } | |
1290 | ||
c4aa6f31 | 1291 | static int __devexit twlreg_remove(struct platform_device *pdev) |
fa16a5c1 DB |
1292 | { |
1293 | regulator_unregister(platform_get_drvdata(pdev)); | |
1294 | return 0; | |
1295 | } | |
1296 | ||
c4aa6f31 | 1297 | MODULE_ALIAS("platform:twl_reg"); |
fa16a5c1 | 1298 | |
c4aa6f31 RN |
1299 | static struct platform_driver twlreg_driver = { |
1300 | .probe = twlreg_probe, | |
1301 | .remove = __devexit_p(twlreg_remove), | |
fa16a5c1 | 1302 | /* NOTE: short name, to work around driver model truncation of |
c4aa6f31 | 1303 | * "twl_regulator.12" (and friends) to "twl_regulator.1". |
fa16a5c1 | 1304 | */ |
2098e95c RN |
1305 | .driver = { |
1306 | .name = "twl_reg", | |
1307 | .owner = THIS_MODULE, | |
1308 | .of_match_table = of_match_ptr(twl_of_match), | |
1309 | }, | |
fa16a5c1 DB |
1310 | }; |
1311 | ||
c4aa6f31 | 1312 | static int __init twlreg_init(void) |
fa16a5c1 | 1313 | { |
c4aa6f31 | 1314 | return platform_driver_register(&twlreg_driver); |
fa16a5c1 | 1315 | } |
c4aa6f31 | 1316 | subsys_initcall(twlreg_init); |
fa16a5c1 | 1317 | |
c4aa6f31 | 1318 | static void __exit twlreg_exit(void) |
fa16a5c1 | 1319 | { |
c4aa6f31 | 1320 | platform_driver_unregister(&twlreg_driver); |
fa16a5c1 | 1321 | } |
c4aa6f31 | 1322 | module_exit(twlreg_exit) |
fa16a5c1 | 1323 | |
c4aa6f31 | 1324 | MODULE_DESCRIPTION("TWL regulator driver"); |
fa16a5c1 | 1325 | MODULE_LICENSE("GPL"); |