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[mirror_ubuntu-jammy-kernel.git] / drivers / regulator / cpcap-regulator.c
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0ad4c07e
TL
1/*
2 * Motorola CPCAP PMIC regulator driver
3 *
4 * Based on cpcap-regulator.c from Motorola Linux kernel tree
5 * Copyright (C) 2009-2011 Motorola, Inc.
6 *
7 * Rewritten for mainline kernel to use device tree and regmap
8 * Copyright (C) 2017 Tony Lindgren <tony@atomide.com>
9 *
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation version 2.
13 *
14 * This program is distributed "as is" WITHOUT ANY WARRANTY of any
15 * kind, whether express or implied; without even the implied warranty
16 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 */
19
20#include <linux/err.h>
21#include <linux/module.h>
22#include <linux/of.h>
23#include <linux/of_platform.h>
24#include <linux/regmap.h>
25#include <linux/regulator/driver.h>
26#include <linux/regulator/machine.h>
27#include <linux/regulator/of_regulator.h>
28#include <linux/mfd/motorola-cpcap.h>
29
30/*
31 * Resource assignment register bits. These seem to control the state
32 * idle modes adn are used at least for omap4.
33 */
34
35/* CPCAP_REG_ASSIGN2 bits - Resource Assignment 2 */
36#define CPCAP_BIT_VSDIO_SEL BIT(15)
37#define CPCAP_BIT_VDIG_SEL BIT(14)
38#define CPCAP_BIT_VCAM_SEL BIT(13)
39#define CPCAP_BIT_SW6_SEL BIT(12)
40#define CPCAP_BIT_SW5_SEL BIT(11)
41#define CPCAP_BIT_SW4_SEL BIT(10)
42#define CPCAP_BIT_SW3_SEL BIT(9)
43#define CPCAP_BIT_SW2_SEL BIT(8)
44#define CPCAP_BIT_SW1_SEL BIT(7)
45
46/* CPCAP_REG_ASSIGN3 bits - Resource Assignment 3 */
47#define CPCAP_BIT_VUSBINT2_SEL BIT(15)
48#define CPCAP_BIT_VUSBINT1_SEL BIT(14)
49#define CPCAP_BIT_VVIB_SEL BIT(13)
50#define CPCAP_BIT_VWLAN1_SEL BIT(12)
51#define CPCAP_BIT_VRF1_SEL BIT(11)
52#define CPCAP_BIT_VHVIO_SEL BIT(10)
53#define CPCAP_BIT_VDAC_SEL BIT(9)
54#define CPCAP_BIT_VUSB_SEL BIT(8)
55#define CPCAP_BIT_VSIM_SEL BIT(7)
56#define CPCAP_BIT_VRFREF_SEL BIT(6)
57#define CPCAP_BIT_VPLL_SEL BIT(5)
58#define CPCAP_BIT_VFUSE_SEL BIT(4)
59#define CPCAP_BIT_VCSI_SEL BIT(3)
60#define CPCAP_BIT_SPARE_14_2 BIT(2)
61#define CPCAP_BIT_VWLAN2_SEL BIT(1)
62#define CPCAP_BIT_VRF2_SEL BIT(0)
63
64/* CPCAP_REG_ASSIGN4 bits - Resource Assignment 4 */
65#define CPCAP_BIT_VAUDIO_SEL BIT(0)
66
67/*
68 * Enable register bits. At least CPCAP_BIT_AUDIO_LOW_PWR is generic,
69 * and not limited to audio regulator. Let's use the Motorola kernel
70 * naming for now until we have a better understanding of the other
71 * enable register bits. No idea why BIT(3) is not defined.
72 */
73#define CPCAP_BIT_AUDIO_LOW_PWR BIT(6)
74#define CPCAP_BIT_AUD_LOWPWR_SPEED BIT(5)
75#define CPCAP_BIT_VAUDIOPRISTBY BIT(4)
76#define CPCAP_BIT_VAUDIO_MODE1 BIT(2)
77#define CPCAP_BIT_VAUDIO_MODE0 BIT(1)
78#define CPCAP_BIT_V_AUDIO_EN BIT(0)
79
91a024e8
SR
80#define CPCAP_BIT_AUDIO_NORMAL_MODE 0x00
81
0ad4c07e
TL
82/*
83 * Off mode configuration bit. Used currently only by SW5 on omap4. There's
84 * the following comment in Motorola Linux kernel tree for it:
85 *
86 * When set in the regulator mode, the regulator assignment will be changed
87 * to secondary when the regulator is disabled. The mode will be set back to
88 * primary when the regulator is turned on.
89 */
90#define CPCAP_REG_OFF_MODE_SEC BIT(15)
91
7b804ce0 92/*
25a7d03d 93 * SoC specific configuration for CPCAP regulator. There are at least three
0ad4c07e
TL
94 * different SoCs each with their own parameters: omap3, omap4 and tegra2.
95 *
96 * The assign_reg and assign_mask seem to allow toggling between primary
97 * and secondary mode that at least omap4 uses for off mode.
98 */
99struct cpcap_regulator {
100 struct regulator_desc rdesc;
101 const u16 assign_reg;
102 const u16 assign_mask;
0ad4c07e
TL
103};
104
105#define CPCAP_REG(_ID, reg, assignment_reg, assignment_mask, val_tbl, \
de33873e
AL
106 mode_mask, volt_mask, mode_val, off_val, \
107 volt_trans_time) { \
0ad4c07e
TL
108 .rdesc = { \
109 .name = #_ID, \
110 .of_match = of_match_ptr(#_ID), \
111 .ops = &cpcap_regulator_ops, \
112 .regulators_node = of_match_ptr("regulators"), \
113 .type = REGULATOR_VOLTAGE, \
114 .id = CPCAP_##_ID, \
115 .owner = THIS_MODULE, \
116 .n_voltages = ARRAY_SIZE(val_tbl), \
117 .volt_table = (val_tbl), \
118 .vsel_reg = (reg), \
119 .vsel_mask = (volt_mask), \
120 .enable_reg = (reg), \
121 .enable_mask = (mode_mask), \
122 .enable_val = (mode_val), \
123 .disable_val = (off_val), \
124 .ramp_delay = (volt_trans_time), \
74ff8e06 125 .of_map_mode = cpcap_map_mode, \
0ad4c07e
TL
126 }, \
127 .assign_reg = (assignment_reg), \
128 .assign_mask = (assignment_mask), \
0ad4c07e
TL
129}
130
131struct cpcap_ddata {
132 struct regmap *reg;
133 struct device *dev;
134 const struct cpcap_regulator *soc;
135};
136
137enum cpcap_regulator_id {
138 CPCAP_SW1,
139 CPCAP_SW2,
140 CPCAP_SW3,
141 CPCAP_SW4,
142 CPCAP_SW5,
143 CPCAP_SW6,
144 CPCAP_VCAM,
145 CPCAP_VCSI,
146 CPCAP_VDAC,
147 CPCAP_VDIG,
148 CPCAP_VFUSE,
149 CPCAP_VHVIO,
150 CPCAP_VSDIO,
151 CPCAP_VPLL,
152 CPCAP_VRF1,
153 CPCAP_VRF2,
154 CPCAP_VRFREF,
155 CPCAP_VWLAN1,
156 CPCAP_VWLAN2,
157 CPCAP_VSIM,
158 CPCAP_VSIMCARD,
159 CPCAP_VVIB,
160 CPCAP_VUSB,
161 CPCAP_VAUDIO,
162 CPCAP_NR_REGULATORS,
163};
164
165/*
166 * We need to also configure regulator idle mode for SoC off mode if
167 * CPCAP_REG_OFF_MODE_SEC is set.
168 */
169static int cpcap_regulator_enable(struct regulator_dev *rdev)
170{
171 struct cpcap_regulator *regulator = rdev_get_drvdata(rdev);
b89a5eff 172 int error;
0ad4c07e
TL
173
174 error = regulator_enable_regmap(rdev);
175 if (error)
176 return error;
177
178 if (rdev->desc->enable_val & CPCAP_REG_OFF_MODE_SEC) {
179 error = regmap_update_bits(rdev->regmap, regulator->assign_reg,
180 regulator->assign_mask,
181 regulator->assign_mask);
182 if (error)
b89a5eff 183 regulator_disable_regmap(rdev);
0ad4c07e
TL
184 }
185
186 return error;
187}
188
189/*
190 * We need to also configure regulator idle mode for SoC off mode if
191 * CPCAP_REG_OFF_MODE_SEC is set.
192 */
193static int cpcap_regulator_disable(struct regulator_dev *rdev)
194{
195 struct cpcap_regulator *regulator = rdev_get_drvdata(rdev);
b89a5eff 196 int error;
0ad4c07e
TL
197
198 if (rdev->desc->enable_val & CPCAP_REG_OFF_MODE_SEC) {
199 error = regmap_update_bits(rdev->regmap, regulator->assign_reg,
200 regulator->assign_mask, 0);
201 if (error)
202 return error;
203 }
204
205 error = regulator_disable_regmap(rdev);
206 if (error && (rdev->desc->enable_val & CPCAP_REG_OFF_MODE_SEC)) {
b89a5eff
LJ
207 regmap_update_bits(rdev->regmap, regulator->assign_reg,
208 regulator->assign_mask,
209 regulator->assign_mask);
0ad4c07e
TL
210 }
211
212 return error;
213}
214
74ff8e06
SR
215static unsigned int cpcap_map_mode(unsigned int mode)
216{
217 switch (mode) {
218 case CPCAP_BIT_AUDIO_NORMAL_MODE:
219 return REGULATOR_MODE_NORMAL;
220 case CPCAP_BIT_AUDIO_LOW_PWR:
221 return REGULATOR_MODE_STANDBY;
222 default:
02f37039 223 return REGULATOR_MODE_INVALID;
74ff8e06
SR
224 }
225}
226
0ad4c07e
TL
227static unsigned int cpcap_regulator_get_mode(struct regulator_dev *rdev)
228{
229 int value;
230
231 regmap_read(rdev->regmap, rdev->desc->enable_reg, &value);
232
91a024e8 233 if (value & CPCAP_BIT_AUDIO_LOW_PWR)
0ad4c07e
TL
234 return REGULATOR_MODE_STANDBY;
235
236 return REGULATOR_MODE_NORMAL;
237}
238
239static int cpcap_regulator_set_mode(struct regulator_dev *rdev,
240 unsigned int mode)
241{
242 int value;
243
244 switch (mode) {
245 case REGULATOR_MODE_NORMAL:
91a024e8 246 value = CPCAP_BIT_AUDIO_NORMAL_MODE;
0ad4c07e
TL
247 break;
248 case REGULATOR_MODE_STANDBY:
91a024e8 249 value = CPCAP_BIT_AUDIO_LOW_PWR;
0ad4c07e
TL
250 break;
251 default:
252 return -EINVAL;
253 }
254
255 return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
256 CPCAP_BIT_AUDIO_LOW_PWR, value);
257}
258
bcf39c1e 259static const struct regulator_ops cpcap_regulator_ops = {
0ad4c07e
TL
260 .enable = cpcap_regulator_enable,
261 .disable = cpcap_regulator_disable,
262 .is_enabled = regulator_is_enabled_regmap,
263 .list_voltage = regulator_list_voltage_table,
264 .map_voltage = regulator_map_voltage_iterate,
265 .get_voltage_sel = regulator_get_voltage_sel_regmap,
266 .set_voltage_sel = regulator_set_voltage_sel_regmap,
267 .get_mode = cpcap_regulator_get_mode,
268 .set_mode = cpcap_regulator_set_mode,
269};
270
271static const unsigned int unknown_val_tbl[] = { 0, };
ad66225d
PG
272static const unsigned int sw2_sw4_val_tbl[] = { 612500, 625000, 637500,
273 650000, 662500, 675000,
274 687500, 700000, 712500,
275 725000, 737500, 750000,
276 762500, 775000, 787500,
277 800000, 812500, 825000,
278 837500, 850000, 862500,
279 875000, 887500, 900000,
280 912500, 925000, 937500,
281 950000, 962500, 975000,
282 987500, 1000000, 1012500,
283 1025000, 1037500, 1050000,
284 1062500, 1075000, 1087500,
285 1100000, 1112500, 1125000,
286 1137500, 1150000, 1162500,
287 1175000, 1187500, 1200000,
288 1212500, 1225000, 1237500,
289 1250000, 1262500, 1275000,
290 1287500, 1300000, 1312500,
291 1325000, 1337500, 1350000,
292 1362500, 1375000, 1387500,
293 1400000, 1412500, 1425000,
294 1437500, 1450000, 1462500, };
0ad4c07e
TL
295static const unsigned int sw5_val_tbl[] = { 0, 5050000, };
296static const unsigned int vcam_val_tbl[] = { 2600000, 2700000, 2800000,
297 2900000, };
298static const unsigned int vcsi_val_tbl[] = { 1200000, 1800000, };
299static const unsigned int vdac_val_tbl[] = { 1200000, 1500000, 1800000,
300 2500000,};
301static const unsigned int vdig_val_tbl[] = { 1200000, 1350000, 1500000,
302 1875000, };
303static const unsigned int vfuse_val_tbl[] = { 1500000, 1600000, 1700000,
304 1800000, 1900000, 2000000,
305 2100000, 2200000, 2300000,
306 2400000, 2500000, 2600000,
307 2700000, 3150000, };
308static const unsigned int vhvio_val_tbl[] = { 2775000, };
309static const unsigned int vsdio_val_tbl[] = { 1500000, 1600000, 1800000,
310 2600000, 2700000, 2800000,
311 2900000, 3000000, };
312static const unsigned int vpll_val_tbl[] = { 1200000, 1300000, 1400000,
313 1800000, };
314/* Quirk: 2775000 is before 2500000 for vrf1 regulator */
315static const unsigned int vrf1_val_tbl[] = { 2775000, 2500000, };
316static const unsigned int vrf2_val_tbl[] = { 0, 2775000, };
317static const unsigned int vrfref_val_tbl[] = { 2500000, 2775000, };
318static const unsigned int vwlan1_val_tbl[] = { 1800000, 1900000, };
319static const unsigned int vwlan2_val_tbl[] = { 2775000, 3000000, 3300000,
320 3300000, };
321static const unsigned int vsim_val_tbl[] = { 1800000, 2900000, };
322static const unsigned int vsimcard_val_tbl[] = { 1800000, 2900000, };
323static const unsigned int vvib_val_tbl[] = { 1300000, 1800000, 2000000,
324 3000000, };
325static const unsigned int vusb_val_tbl[] = { 0, 3300000, };
326static const unsigned int vaudio_val_tbl[] = { 0, 2775000, };
327
7b804ce0 328/*
0ad4c07e
TL
329 * SoC specific configuration for omap4. The data below is comes from Motorola
330 * Linux kernel tree. It's basically the values of cpcap_regltr_data,
331 * cpcap_regulator_mode_values and cpcap_regulator_off_mode_values, see
332 * CPCAP_REG macro above.
333 *
334 * SW1 to SW4 and SW6 seems to be unused for mapphone. Note that VSIM and
335 * VSIMCARD have a shared resource assignment bit.
336 */
6145601b 337static const struct cpcap_regulator omap4_regulators[] = {
0ad4c07e
TL
338 CPCAP_REG(SW1, CPCAP_REG_S1C1, CPCAP_REG_ASSIGN2,
339 CPCAP_BIT_SW1_SEL, unknown_val_tbl,
de33873e 340 0, 0, 0, 0, 0),
0ad4c07e
TL
341 CPCAP_REG(SW2, CPCAP_REG_S2C1, CPCAP_REG_ASSIGN2,
342 CPCAP_BIT_SW2_SEL, unknown_val_tbl,
de33873e 343 0, 0, 0, 0, 0),
0ad4c07e
TL
344 CPCAP_REG(SW3, CPCAP_REG_S3C, CPCAP_REG_ASSIGN2,
345 CPCAP_BIT_SW3_SEL, unknown_val_tbl,
de33873e 346 0, 0, 0, 0, 0),
0ad4c07e
TL
347 CPCAP_REG(SW4, CPCAP_REG_S4C1, CPCAP_REG_ASSIGN2,
348 CPCAP_BIT_SW4_SEL, unknown_val_tbl,
de33873e 349 0, 0, 0, 0, 0),
0ad4c07e
TL
350 CPCAP_REG(SW5, CPCAP_REG_S5C, CPCAP_REG_ASSIGN2,
351 CPCAP_BIT_SW5_SEL, sw5_val_tbl,
de33873e 352 0x28, 0, 0x20 | CPCAP_REG_OFF_MODE_SEC, 0, 0),
0ad4c07e
TL
353 CPCAP_REG(SW6, CPCAP_REG_S6C, CPCAP_REG_ASSIGN2,
354 CPCAP_BIT_SW6_SEL, unknown_val_tbl,
de33873e 355 0, 0, 0, 0, 0),
0ad4c07e
TL
356 CPCAP_REG(VCAM, CPCAP_REG_VCAMC, CPCAP_REG_ASSIGN2,
357 CPCAP_BIT_VCAM_SEL, vcam_val_tbl,
de33873e 358 0x87, 0x30, 0x3, 0, 420),
0ad4c07e
TL
359 CPCAP_REG(VCSI, CPCAP_REG_VCSIC, CPCAP_REG_ASSIGN3,
360 CPCAP_BIT_VCSI_SEL, vcsi_val_tbl,
de33873e 361 0x47, 0x10, 0x43, 0x41, 350),
0ad4c07e
TL
362 CPCAP_REG(VDAC, CPCAP_REG_VDACC, CPCAP_REG_ASSIGN3,
363 CPCAP_BIT_VDAC_SEL, vdac_val_tbl,
de33873e 364 0x87, 0x30, 0x3, 0, 420),
0ad4c07e
TL
365 CPCAP_REG(VDIG, CPCAP_REG_VDIGC, CPCAP_REG_ASSIGN2,
366 CPCAP_BIT_VDIG_SEL, vdig_val_tbl,
de33873e 367 0x87, 0x30, 0x82, 0, 420),
0ad4c07e
TL
368 CPCAP_REG(VFUSE, CPCAP_REG_VFUSEC, CPCAP_REG_ASSIGN3,
369 CPCAP_BIT_VFUSE_SEL, vfuse_val_tbl,
de33873e 370 0x80, 0xf, 0x80, 0, 420),
0ad4c07e
TL
371 CPCAP_REG(VHVIO, CPCAP_REG_VHVIOC, CPCAP_REG_ASSIGN3,
372 CPCAP_BIT_VHVIO_SEL, vhvio_val_tbl,
de33873e 373 0x17, 0, 0, 0x12, 0),
0ad4c07e
TL
374 CPCAP_REG(VSDIO, CPCAP_REG_VSDIOC, CPCAP_REG_ASSIGN2,
375 CPCAP_BIT_VSDIO_SEL, vsdio_val_tbl,
de33873e 376 0x87, 0x38, 0x82, 0, 420),
0ad4c07e
TL
377 CPCAP_REG(VPLL, CPCAP_REG_VPLLC, CPCAP_REG_ASSIGN3,
378 CPCAP_BIT_VPLL_SEL, vpll_val_tbl,
de33873e 379 0x43, 0x18, 0x2, 0, 420),
0ad4c07e
TL
380 CPCAP_REG(VRF1, CPCAP_REG_VRF1C, CPCAP_REG_ASSIGN3,
381 CPCAP_BIT_VRF1_SEL, vrf1_val_tbl,
de33873e 382 0xac, 0x2, 0x4, 0, 10),
0ad4c07e
TL
383 CPCAP_REG(VRF2, CPCAP_REG_VRF2C, CPCAP_REG_ASSIGN3,
384 CPCAP_BIT_VRF2_SEL, vrf2_val_tbl,
de33873e 385 0x23, 0x8, 0, 0, 10),
0ad4c07e
TL
386 CPCAP_REG(VRFREF, CPCAP_REG_VRFREFC, CPCAP_REG_ASSIGN3,
387 CPCAP_BIT_VRFREF_SEL, vrfref_val_tbl,
de33873e 388 0x23, 0x8, 0, 0, 420),
0ad4c07e
TL
389 CPCAP_REG(VWLAN1, CPCAP_REG_VWLAN1C, CPCAP_REG_ASSIGN3,
390 CPCAP_BIT_VWLAN1_SEL, vwlan1_val_tbl,
de33873e 391 0x47, 0x10, 0, 0, 420),
0ad4c07e
TL
392 CPCAP_REG(VWLAN2, CPCAP_REG_VWLAN2C, CPCAP_REG_ASSIGN3,
393 CPCAP_BIT_VWLAN2_SEL, vwlan2_val_tbl,
de33873e 394 0x20c, 0xc0, 0x20c, 0, 420),
0ad4c07e
TL
395 CPCAP_REG(VSIM, CPCAP_REG_VSIMC, CPCAP_REG_ASSIGN3,
396 0xffff, vsim_val_tbl,
de33873e 397 0x23, 0x8, 0x3, 0, 420),
0ad4c07e
TL
398 CPCAP_REG(VSIMCARD, CPCAP_REG_VSIMC, CPCAP_REG_ASSIGN3,
399 0xffff, vsimcard_val_tbl,
de33873e 400 0x1e80, 0x8, 0x1e00, 0, 420),
0ad4c07e
TL
401 CPCAP_REG(VVIB, CPCAP_REG_VVIBC, CPCAP_REG_ASSIGN3,
402 CPCAP_BIT_VVIB_SEL, vvib_val_tbl,
de33873e 403 0x1, 0xc, 0x1, 0, 500),
0ad4c07e
TL
404 CPCAP_REG(VUSB, CPCAP_REG_VUSBC, CPCAP_REG_ASSIGN3,
405 CPCAP_BIT_VUSB_SEL, vusb_val_tbl,
de33873e 406 0x11c, 0x40, 0xc, 0, 0),
0ad4c07e
TL
407 CPCAP_REG(VAUDIO, CPCAP_REG_VAUDIOC, CPCAP_REG_ASSIGN4,
408 CPCAP_BIT_VAUDIO_SEL, vaudio_val_tbl,
de33873e 409 0x16, 0x1, 0x4, 0, 0),
0ad4c07e
TL
410 { /* sentinel */ },
411};
412
6145601b 413static const struct cpcap_regulator xoom_regulators[] = {
6c0b319c
PG
414 CPCAP_REG(SW1, CPCAP_REG_S1C1, CPCAP_REG_ASSIGN2,
415 CPCAP_BIT_SW1_SEL, unknown_val_tbl,
de33873e 416 0, 0, 0, 0, 0),
6c0b319c
PG
417 CPCAP_REG(SW2, CPCAP_REG_S2C1, CPCAP_REG_ASSIGN2,
418 CPCAP_BIT_SW2_SEL, sw2_sw4_val_tbl,
de33873e 419 0xf00, 0x7f, 0x800, 0, 120),
6c0b319c
PG
420 CPCAP_REG(SW3, CPCAP_REG_S3C, CPCAP_REG_ASSIGN2,
421 CPCAP_BIT_SW3_SEL, unknown_val_tbl,
de33873e 422 0, 0, 0, 0, 0),
6c0b319c
PG
423 CPCAP_REG(SW4, CPCAP_REG_S4C1, CPCAP_REG_ASSIGN2,
424 CPCAP_BIT_SW4_SEL, sw2_sw4_val_tbl,
de33873e 425 0xf00, 0x7f, 0x900, 0, 100),
6c0b319c
PG
426 CPCAP_REG(SW5, CPCAP_REG_S5C, CPCAP_REG_ASSIGN2,
427 CPCAP_BIT_SW5_SEL, sw5_val_tbl,
de33873e 428 0x2a, 0, 0x22, 0, 0),
6c0b319c
PG
429 CPCAP_REG(SW6, CPCAP_REG_S6C, CPCAP_REG_ASSIGN2,
430 CPCAP_BIT_SW6_SEL, unknown_val_tbl,
de33873e 431 0, 0, 0, 0, 0),
6c0b319c
PG
432 CPCAP_REG(VCAM, CPCAP_REG_VCAMC, CPCAP_REG_ASSIGN2,
433 CPCAP_BIT_VCAM_SEL, vcam_val_tbl,
de33873e 434 0x87, 0x30, 0x7, 0, 420),
6c0b319c
PG
435 CPCAP_REG(VCSI, CPCAP_REG_VCSIC, CPCAP_REG_ASSIGN3,
436 CPCAP_BIT_VCSI_SEL, vcsi_val_tbl,
de33873e 437 0x47, 0x10, 0x7, 0, 350),
6c0b319c
PG
438 CPCAP_REG(VDAC, CPCAP_REG_VDACC, CPCAP_REG_ASSIGN3,
439 CPCAP_BIT_VDAC_SEL, vdac_val_tbl,
de33873e 440 0x87, 0x30, 0x3, 0, 420),
6c0b319c
PG
441 CPCAP_REG(VDIG, CPCAP_REG_VDIGC, CPCAP_REG_ASSIGN2,
442 CPCAP_BIT_VDIG_SEL, vdig_val_tbl,
de33873e 443 0x87, 0x30, 0x5, 0, 420),
6c0b319c
PG
444 CPCAP_REG(VFUSE, CPCAP_REG_VFUSEC, CPCAP_REG_ASSIGN3,
445 CPCAP_BIT_VFUSE_SEL, vfuse_val_tbl,
de33873e 446 0x80, 0xf, 0x80, 0, 420),
6c0b319c
PG
447 CPCAP_REG(VHVIO, CPCAP_REG_VHVIOC, CPCAP_REG_ASSIGN3,
448 CPCAP_BIT_VHVIO_SEL, vhvio_val_tbl,
de33873e 449 0x17, 0, 0x2, 0, 0),
6c0b319c
PG
450 CPCAP_REG(VSDIO, CPCAP_REG_VSDIOC, CPCAP_REG_ASSIGN2,
451 CPCAP_BIT_VSDIO_SEL, vsdio_val_tbl,
de33873e 452 0x87, 0x38, 0x2, 0, 420),
6c0b319c
PG
453 CPCAP_REG(VPLL, CPCAP_REG_VPLLC, CPCAP_REG_ASSIGN3,
454 CPCAP_BIT_VPLL_SEL, vpll_val_tbl,
de33873e 455 0x43, 0x18, 0x1, 0, 420),
6c0b319c
PG
456 CPCAP_REG(VRF1, CPCAP_REG_VRF1C, CPCAP_REG_ASSIGN3,
457 CPCAP_BIT_VRF1_SEL, vrf1_val_tbl,
de33873e 458 0xac, 0x2, 0xc, 0, 10),
6c0b319c
PG
459 CPCAP_REG(VRF2, CPCAP_REG_VRF2C, CPCAP_REG_ASSIGN3,
460 CPCAP_BIT_VRF2_SEL, vrf2_val_tbl,
de33873e 461 0x23, 0x8, 0x3, 0, 10),
6c0b319c
PG
462 CPCAP_REG(VRFREF, CPCAP_REG_VRFREFC, CPCAP_REG_ASSIGN3,
463 CPCAP_BIT_VRFREF_SEL, vrfref_val_tbl,
de33873e 464 0x23, 0x8, 0x3, 0, 420),
6c0b319c
PG
465 CPCAP_REG(VWLAN1, CPCAP_REG_VWLAN1C, CPCAP_REG_ASSIGN3,
466 CPCAP_BIT_VWLAN1_SEL, vwlan1_val_tbl,
de33873e 467 0x47, 0x10, 0x5, 0, 420),
6c0b319c
PG
468 CPCAP_REG(VWLAN2, CPCAP_REG_VWLAN2C, CPCAP_REG_ASSIGN3,
469 CPCAP_BIT_VWLAN2_SEL, vwlan2_val_tbl,
de33873e 470 0x20c, 0xc0, 0x8, 0, 420),
6c0b319c
PG
471 CPCAP_REG(VSIM, CPCAP_REG_VSIMC, CPCAP_REG_ASSIGN3,
472 0xffff, vsim_val_tbl,
de33873e 473 0x23, 0x8, 0x3, 0, 420),
6c0b319c
PG
474 CPCAP_REG(VSIMCARD, CPCAP_REG_VSIMC, CPCAP_REG_ASSIGN3,
475 0xffff, vsimcard_val_tbl,
de33873e 476 0x1e80, 0x8, 0x1e00, 0, 420),
6c0b319c
PG
477 CPCAP_REG(VVIB, CPCAP_REG_VVIBC, CPCAP_REG_ASSIGN3,
478 CPCAP_BIT_VVIB_SEL, vvib_val_tbl,
de33873e 479 0x1, 0xc, 0, 0x1, 500),
6c0b319c
PG
480 CPCAP_REG(VUSB, CPCAP_REG_VUSBC, CPCAP_REG_ASSIGN3,
481 CPCAP_BIT_VUSB_SEL, vusb_val_tbl,
de33873e 482 0x11c, 0x40, 0xc, 0, 0),
6c0b319c
PG
483 CPCAP_REG(VAUDIO, CPCAP_REG_VAUDIOC, CPCAP_REG_ASSIGN4,
484 CPCAP_BIT_VAUDIO_SEL, vaudio_val_tbl,
de33873e 485 0x16, 0x1, 0x4, 0, 0),
6c0b319c
PG
486 { /* sentinel */ },
487};
488
0ad4c07e
TL
489static const struct of_device_id cpcap_regulator_id_table[] = {
490 {
491 .compatible = "motorola,cpcap-regulator",
492 },
493 {
494 .compatible = "motorola,mapphone-cpcap-regulator",
495 .data = omap4_regulators,
496 },
6c0b319c
PG
497 {
498 .compatible = "motorola,xoom-cpcap-regulator",
499 .data = xoom_regulators,
500 },
0ad4c07e
TL
501 {},
502};
503MODULE_DEVICE_TABLE(of, cpcap_regulator_id_table);
504
505static int cpcap_regulator_probe(struct platform_device *pdev)
506{
507 struct cpcap_ddata *ddata;
f4192c2c 508 const struct cpcap_regulator *match_data;
0ad4c07e 509 struct regulator_config config;
0ad4c07e
TL
510 int i;
511
f4192c2c
AL
512 match_data = of_device_get_match_data(&pdev->dev);
513 if (!match_data) {
0ad4c07e
TL
514 dev_err(&pdev->dev, "no configuration data found\n");
515
516 return -ENODEV;
517 }
518
519 ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL);
520 if (!ddata)
521 return -ENOMEM;
522
523 ddata->reg = dev_get_regmap(pdev->dev.parent, NULL);
524 if (!ddata->reg)
525 return -ENODEV;
526
527 ddata->dev = &pdev->dev;
f4192c2c 528 ddata->soc = match_data;
0ad4c07e
TL
529 platform_set_drvdata(pdev, ddata);
530
531 memset(&config, 0, sizeof(config));
0ad4c07e
TL
532 config.dev = &pdev->dev;
533 config.regmap = ddata->reg;
0ad4c07e
TL
534
535 for (i = 0; i < CPCAP_NR_REGULATORS; i++) {
536 const struct cpcap_regulator *regulator = &ddata->soc[i];
537 struct regulator_dev *rdev;
538
539 if (!regulator->rdesc.name)
540 break;
541
542 if (regulator->rdesc.volt_table == unknown_val_tbl)
543 continue;
544
545 config.driver_data = (void *)regulator;
546 rdev = devm_regulator_register(&pdev->dev,
547 &regulator->rdesc,
548 &config);
549 if (IS_ERR(rdev)) {
550 dev_err(&pdev->dev, "failed to register regulator %s\n",
551 regulator->rdesc.name);
552
553 return PTR_ERR(rdev);
554 }
555 }
556
557 return 0;
558}
559
560static struct platform_driver cpcap_regulator_driver = {
561 .probe = cpcap_regulator_probe,
562 .driver = {
563 .name = "cpcap-regulator",
564 .of_match_table = of_match_ptr(cpcap_regulator_id_table),
565 },
566};
567
568module_platform_driver(cpcap_regulator_driver);
569
570MODULE_ALIAS("platform:cpcap-regulator");
571MODULE_AUTHOR("Tony Lindgren <tony@atomide.com>");
572MODULE_DESCRIPTION("CPCAP regulator driver");
573MODULE_LICENSE("GPL v2");