88pm8607.c (d3d7bccc07a06a33fb9ba97ab764df8d46fb87d0) 88pm8607.c (53b6949ef3291778aa9f921985206fbfd95449d7)
1/*
2 * Regulators driver for Marvell 88PM8607
3 *
4 * Copyright (C) 2009 Marvell International Ltd.
5 * Haojian Zhuang <haojian.zhuang@marvell.com>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as

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24 struct regulator_dev *regulator;
25 struct i2c_client *i2c;
26
27 unsigned int *vol_table;
28 unsigned int *vol_suspend;
29
30 int vol_reg;
31 int vol_shift;
1/*
2 * Regulators driver for Marvell 88PM8607
3 *
4 * Copyright (C) 2009 Marvell International Ltd.
5 * Haojian Zhuang <haojian.zhuang@marvell.com>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as

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24 struct regulator_dev *regulator;
25 struct i2c_client *i2c;
26
27 unsigned int *vol_table;
28 unsigned int *vol_suspend;
29
30 int vol_reg;
31 int vol_shift;
32 int vol_nbits;
33 int update_reg;
34 int update_bit;
35 int enable_reg;
36 int enable_bit;
37 int slope_double;
38};
39
40static const unsigned int BUCK1_table[] = {

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211 1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 2900000,
212};
213
214static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index)
215{
216 struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
217 int ret = -EINVAL;
218
32 int update_reg;
33 int update_bit;
34 int enable_reg;
35 int enable_bit;
36 int slope_double;
37};
38
39static const unsigned int BUCK1_table[] = {

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210 1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 2900000,
211};
212
213static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index)
214{
215 struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
216 int ret = -EINVAL;
217
219 if (info->vol_table && (index < (1 << info->vol_nbits))) {
218 if (info->vol_table && (index < rdev->desc->n_voltages)) {
220 ret = info->vol_table[index];
221 if (info->slope_double)
222 ret <<= 1;
223 }
224 return ret;
225}
226
227static int choose_voltage(struct regulator_dev *rdev, int min_uV, int max_uV)
228{
229 struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
230 int i, ret = -ENOENT;
231
232 if (info->slope_double) {
233 min_uV = min_uV >> 1;
234 max_uV = max_uV >> 1;
235 }
236 if (info->vol_table) {
219 ret = info->vol_table[index];
220 if (info->slope_double)
221 ret <<= 1;
222 }
223 return ret;
224}
225
226static int choose_voltage(struct regulator_dev *rdev, int min_uV, int max_uV)
227{
228 struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
229 int i, ret = -ENOENT;
230
231 if (info->slope_double) {
232 min_uV = min_uV >> 1;
233 max_uV = max_uV >> 1;
234 }
235 if (info->vol_table) {
237 for (i = 0; i < (1 << info->vol_nbits); i++) {
236 for (i = 0; i < rdev->desc->n_voltages; i++) {
238 if (!info->vol_table[i])
239 break;
240 if ((min_uV <= info->vol_table[i])
241 && (max_uV >= info->vol_table[i])) {
242 ret = i;
243 break;
244 }
245 }

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261 return -EINVAL;
262 }
263
264 ret = choose_voltage(rdev, min_uV, max_uV);
265 if (ret < 0)
266 return -EINVAL;
267 *selector = ret;
268 val = (uint8_t)(ret << info->vol_shift);
237 if (!info->vol_table[i])
238 break;
239 if ((min_uV <= info->vol_table[i])
240 && (max_uV >= info->vol_table[i])) {
241 ret = i;
242 break;
243 }
244 }

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260 return -EINVAL;
261 }
262
263 ret = choose_voltage(rdev, min_uV, max_uV);
264 if (ret < 0)
265 return -EINVAL;
266 *selector = ret;
267 val = (uint8_t)(ret << info->vol_shift);
269 mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
268 mask = (rdev->desc->n_voltages - 1) << info->vol_shift;
270
271 ret = pm860x_set_bits(info->i2c, info->vol_reg, mask, val);
272 if (ret)
273 return ret;
274 switch (info->desc.id) {
275 case PM8607_ID_BUCK1:
276 case PM8607_ID_BUCK3:
277 ret = pm860x_set_bits(info->i2c, info->update_reg,

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287 struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
288 uint8_t val, mask;
289 int ret;
290
291 ret = pm860x_reg_read(info->i2c, info->vol_reg);
292 if (ret < 0)
293 return ret;
294
269
270 ret = pm860x_set_bits(info->i2c, info->vol_reg, mask, val);
271 if (ret)
272 return ret;
273 switch (info->desc.id) {
274 case PM8607_ID_BUCK1:
275 case PM8607_ID_BUCK3:
276 ret = pm860x_set_bits(info->i2c, info->update_reg,

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286 struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
287 uint8_t val, mask;
288 int ret;
289
290 ret = pm860x_reg_read(info->i2c, info->vol_reg);
291 if (ret < 0)
292 return ret;
293
295 mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
294 mask = (rdev->desc->n_voltages - 1) << info->vol_shift;
296 val = ((unsigned char)ret & mask) >> info->vol_shift;
297
298 return pm8607_list_voltage(rdev, val);
299}
300
301static int pm8607_enable(struct regulator_dev *rdev)
302{
303 struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);

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331 .list_voltage = pm8607_list_voltage,
332 .set_voltage = pm8607_set_voltage,
333 .get_voltage = pm8607_get_voltage,
334 .enable = pm8607_enable,
335 .disable = pm8607_disable,
336 .is_enabled = pm8607_is_enabled,
337};
338
295 val = ((unsigned char)ret & mask) >> info->vol_shift;
296
297 return pm8607_list_voltage(rdev, val);
298}
299
300static int pm8607_enable(struct regulator_dev *rdev)
301{
302 struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);

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330 .list_voltage = pm8607_list_voltage,
331 .set_voltage = pm8607_set_voltage,
332 .get_voltage = pm8607_get_voltage,
333 .enable = pm8607_enable,
334 .disable = pm8607_disable,
335 .is_enabled = pm8607_is_enabled,
336};
337
339#define PM8607_DVC(vreg, nbits, ureg, ubit, ereg, ebit) \
338#define PM8607_DVC(vreg, ureg, ubit, ereg, ebit) \
340{ \
341 .desc = { \
342 .name = #vreg, \
343 .ops = &pm8607_regulator_ops, \
344 .type = REGULATOR_VOLTAGE, \
345 .id = PM8607_ID_##vreg, \
346 .owner = THIS_MODULE, \
339{ \
340 .desc = { \
341 .name = #vreg, \
342 .ops = &pm8607_regulator_ops, \
343 .type = REGULATOR_VOLTAGE, \
344 .id = PM8607_ID_##vreg, \
345 .owner = THIS_MODULE, \
346 .n_voltages = ARRAY_SIZE(vreg##_table), \
347 }, \
348 .vol_reg = PM8607_##vreg, \
349 .vol_shift = (0), \
347 }, \
348 .vol_reg = PM8607_##vreg, \
349 .vol_shift = (0), \
350 .vol_nbits = (nbits), \
351 .update_reg = PM8607_##ureg, \
352 .update_bit = (ubit), \
353 .enable_reg = PM8607_##ereg, \
354 .enable_bit = (ebit), \
355 .slope_double = (0), \
356 .vol_table = (unsigned int *)&vreg##_table, \
357 .vol_suspend = (unsigned int *)&vreg##_suspend_table, \
358}
359
350 .update_reg = PM8607_##ureg, \
351 .update_bit = (ubit), \
352 .enable_reg = PM8607_##ereg, \
353 .enable_bit = (ebit), \
354 .slope_double = (0), \
355 .vol_table = (unsigned int *)&vreg##_table, \
356 .vol_suspend = (unsigned int *)&vreg##_suspend_table, \
357}
358
360#define PM8607_LDO(_id, vreg, shift, nbits, ereg, ebit) \
359#define PM8607_LDO(_id, vreg, shift, ereg, ebit) \
361{ \
362 .desc = { \
363 .name = "LDO" #_id, \
364 .ops = &pm8607_regulator_ops, \
365 .type = REGULATOR_VOLTAGE, \
366 .id = PM8607_ID_LDO##_id, \
367 .owner = THIS_MODULE, \
360{ \
361 .desc = { \
362 .name = "LDO" #_id, \
363 .ops = &pm8607_regulator_ops, \
364 .type = REGULATOR_VOLTAGE, \
365 .id = PM8607_ID_LDO##_id, \
366 .owner = THIS_MODULE, \
367 .n_voltages = ARRAY_SIZE(LDO##_id##_table), \
368 }, \
369 .vol_reg = PM8607_##vreg, \
370 .vol_shift = (shift), \
368 }, \
369 .vol_reg = PM8607_##vreg, \
370 .vol_shift = (shift), \
371 .vol_nbits = (nbits), \
372 .enable_reg = PM8607_##ereg, \
373 .enable_bit = (ebit), \
374 .slope_double = (0), \
375 .vol_table = (unsigned int *)&LDO##_id##_table, \
376 .vol_suspend = (unsigned int *)&LDO##_id##_suspend_table, \
377}
378
379static struct pm8607_regulator_info pm8607_regulator_info[] = {
371 .enable_reg = PM8607_##ereg, \
372 .enable_bit = (ebit), \
373 .slope_double = (0), \
374 .vol_table = (unsigned int *)&LDO##_id##_table, \
375 .vol_suspend = (unsigned int *)&LDO##_id##_suspend_table, \
376}
377
378static struct pm8607_regulator_info pm8607_regulator_info[] = {
380 PM8607_DVC(BUCK1, 6, GO, 0, SUPPLIES_EN11, 0),
381 PM8607_DVC(BUCK2, 6, GO, 1, SUPPLIES_EN11, 1),
382 PM8607_DVC(BUCK3, 6, GO, 2, SUPPLIES_EN11, 2),
379 PM8607_DVC(BUCK1, GO, 0, SUPPLIES_EN11, 0),
380 PM8607_DVC(BUCK2, GO, 1, SUPPLIES_EN11, 1),
381 PM8607_DVC(BUCK3, GO, 2, SUPPLIES_EN11, 2),
383
382
384 PM8607_LDO( 1, LDO1, 0, 2, SUPPLIES_EN11, 3),
385 PM8607_LDO( 2, LDO2, 0, 3, SUPPLIES_EN11, 4),
386 PM8607_LDO( 3, LDO3, 0, 3, SUPPLIES_EN11, 5),
387 PM8607_LDO( 4, LDO4, 0, 3, SUPPLIES_EN11, 6),
388 PM8607_LDO( 5, LDO5, 0, 2, SUPPLIES_EN11, 7),
389 PM8607_LDO( 6, LDO6, 0, 3, SUPPLIES_EN12, 0),
390 PM8607_LDO( 7, LDO7, 0, 3, SUPPLIES_EN12, 1),
391 PM8607_LDO( 8, LDO8, 0, 3, SUPPLIES_EN12, 2),
392 PM8607_LDO( 9, LDO9, 0, 3, SUPPLIES_EN12, 3),
393 PM8607_LDO(10, LDO10, 0, 4, SUPPLIES_EN12, 4),
394 PM8607_LDO(12, LDO12, 0, 4, SUPPLIES_EN12, 5),
395 PM8607_LDO(13, VIBRATOR_SET, 1, 3, VIBRATOR_SET, 0),
396 PM8607_LDO(14, LDO14, 0, 3, SUPPLIES_EN12, 6),
383 PM8607_LDO(1, LDO1, 0, SUPPLIES_EN11, 3),
384 PM8607_LDO(2, LDO2, 0, SUPPLIES_EN11, 4),
385 PM8607_LDO(3, LDO3, 0, SUPPLIES_EN11, 5),
386 PM8607_LDO(4, LDO4, 0, SUPPLIES_EN11, 6),
387 PM8607_LDO(5, LDO5, 0, SUPPLIES_EN11, 7),
388 PM8607_LDO(6, LDO6, 0, SUPPLIES_EN12, 0),
389 PM8607_LDO(7, LDO7, 0, SUPPLIES_EN12, 1),
390 PM8607_LDO(8, LDO8, 0, SUPPLIES_EN12, 2),
391 PM8607_LDO(9, LDO9, 0, SUPPLIES_EN12, 3),
392 PM8607_LDO(10, LDO10, 0, SUPPLIES_EN12, 4),
393 PM8607_LDO(12, LDO12, 0, SUPPLIES_EN12, 5),
394 PM8607_LDO(13, VIBRATOR_SET, 1, VIBRATOR_SET, 0),
395 PM8607_LDO(14, LDO14, 0, SUPPLIES_EN12, 6),
397};
398
399static int __devinit pm8607_regulator_probe(struct platform_device *pdev)
400{
401 struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent);
402 struct pm8607_regulator_info *info = NULL;
403 struct regulator_init_data *pdata = pdev->dev.platform_data;
404 struct resource *res;

--- 71 unchanged lines hidden --- 		396};
397
398static int __devinit pm8607_regulator_probe(struct platform_device *pdev)
399{
400 struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent);
401 struct pm8607_regulator_info *info = NULL;
402 struct regulator_init_data *pdata = pdev->dev.platform_data;
403 struct resource *res;

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