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path: root/drivers/regulator/88pm8607.c
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Diffstat (limited to 'drivers/regulator/88pm8607.c')
-rw-r--r--drivers/regulator/88pm8607.c318
1 files changed, 90 insertions, 228 deletions
diff --git a/drivers/regulator/88pm8607.c b/drivers/regulator/88pm8607.c
index 04719551381b..5fb83e2ced25 100644
--- a/drivers/regulator/88pm8607.c
+++ b/drivers/regulator/88pm8607.c
@@ -11,15 +11,17 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/err.h>
+#include <linux/i2c.h>
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
-#include <linux/mfd/88pm8607.h>
+#include <linux/mfd/88pm860x.h>
struct pm8607_regulator_info {
struct regulator_desc desc;
- struct pm8607_chip *chip;
+ struct pm860x_chip *chip;
struct regulator_dev *regulator;
+ struct i2c_client *i2c;
int min_uV;
int max_uV;
@@ -46,7 +48,6 @@ static inline int check_range(struct pm8607_regulator_info *info,
static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index)
{
struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
- uint8_t chip_id = info->chip->chip_id;
int ret = -EINVAL;
switch (info->desc.id) {
@@ -88,79 +89,29 @@ static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index)
case PM8607_ID_LDO2:
case PM8607_ID_LDO3:
case PM8607_ID_LDO9:
- switch (chip_id) {
- case PM8607_CHIP_A0:
- case PM8607_CHIP_A1:
- ret = (index < 3) ? (index * 50000 + 1800000) :
- ((index < 8) ? (index * 50000 + 2550000) :
- -EINVAL);
- break;
- case PM8607_CHIP_B0:
- ret = (index < 3) ? (index * 50000 + 1800000) :
- ((index < 7) ? (index * 50000 + 2550000) :
- 3300000);
- break;
- }
+ ret = (index < 3) ? (index * 50000 + 1800000) :
+ ((index < 7) ? (index * 50000 + 2550000) :
+ 3300000);
break;
case PM8607_ID_LDO4:
- switch (chip_id) {
- case PM8607_CHIP_A0:
- case PM8607_CHIP_A1:
- ret = (index < 3) ? (index * 50000 + 1800000) :
- ((index < 8) ? (index * 50000 + 2550000) :
- -EINVAL);
- break;
- case PM8607_CHIP_B0:
- ret = (index < 3) ? (index * 50000 + 1800000) :
- ((index < 6) ? (index * 50000 + 2550000) :
- ((index == 6) ? 2900000 : 3300000));
- break;
- }
+ ret = (index < 3) ? (index * 50000 + 1800000) :
+ ((index < 6) ? (index * 50000 + 2550000) :
+ ((index == 6) ? 2900000 : 3300000));
break;
case PM8607_ID_LDO6:
- switch (chip_id) {
- case PM8607_CHIP_A0:
- case PM8607_CHIP_A1:
- ret = (index < 3) ? (index * 50000 + 1800000) :
- ((index < 8) ? (index * 50000 + 2450000) :
- -EINVAL);
- break;
- case PM8607_CHIP_B0:
- ret = (index < 2) ? (index * 50000 + 1800000) :
- ((index < 7) ? (index * 50000 + 2500000) :
- 3300000);
- break;
- }
+ ret = (index < 2) ? (index * 50000 + 1800000) :
+ ((index < 7) ? (index * 50000 + 2500000) :
+ 3300000);
break;
case PM8607_ID_LDO10:
- switch (chip_id) {
- case PM8607_CHIP_A0:
- case PM8607_CHIP_A1:
- ret = (index < 3) ? (index * 50000 + 1800000) :
- ((index < 8) ? (index * 50000 + 2550000) :
- 1200000);
- break;
- case PM8607_CHIP_B0:
- ret = (index < 3) ? (index * 50000 + 1800000) :
- ((index < 7) ? (index * 50000 + 2550000) :
- ((index == 7) ? 3300000 : 1200000));
- break;
- }
+ ret = (index < 3) ? (index * 50000 + 1800000) :
+ ((index < 7) ? (index * 50000 + 2550000) :
+ ((index == 7) ? 3300000 : 1200000));
break;
case PM8607_ID_LDO14:
- switch (chip_id) {
- case PM8607_CHIP_A0:
- case PM8607_CHIP_A1:
- ret = (index < 3) ? (index * 50000 + 1800000) :
- ((index < 8) ? (index * 50000 + 2550000) :
- -EINVAL);
- break;
- case PM8607_CHIP_B0:
- ret = (index < 2) ? (index * 50000 + 1800000) :
- ((index < 7) ? (index * 50000 + 2600000) :
- 3300000);
- break;
- }
+ ret = (index < 2) ? (index * 50000 + 1800000) :
+ ((index < 7) ? (index * 50000 + 2600000) :
+ 3300000);
break;
}
return ret;
@@ -169,7 +120,6 @@ static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index)
static int choose_voltage(struct regulator_dev *rdev, int min_uV, int max_uV)
{
struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
- uint8_t chip_id = info->chip->chip_id;
int val = -ENOENT;
int ret;
@@ -254,161 +204,77 @@ static int choose_voltage(struct regulator_dev *rdev, int min_uV, int max_uV)
case PM8607_ID_LDO2:
case PM8607_ID_LDO3:
case PM8607_ID_LDO9:
- switch (chip_id) {
- case PM8607_CHIP_A0:
- case PM8607_CHIP_A1:
- if (min_uV < 2700000) /* 1800mV ~ 1900mV / 50mV */
- if (min_uV <= 1800000)
- val = 0;
- else if (min_uV <= 1900000)
- val = (min_uV - 1750001) / 50000;
- else
- val = 3; /* 2700mV */
- else { /* 2700mV ~ 2900mV / 50mV */
- if (min_uV <= 2900000) {
- val = (min_uV - 2650001) / 50000;
- val += 3;
- } else
- val = -EINVAL;
- }
- break;
- case PM8607_CHIP_B0:
- if (min_uV < 2700000) { /* 1800mV ~ 1900mV / 50mV */
- if (min_uV <= 1800000)
- val = 0;
- else if (min_uV <= 1900000)
- val = (min_uV - 1750001) / 50000;
- else
- val = 3; /* 2700mV */
- } else { /* 2700mV ~ 2850mV / 50mV */
- if (min_uV <= 2850000) {
- val = (min_uV - 2650001) / 50000;
- val += 3;
- } else if (min_uV <= 3300000)
- val = 7;
- else
- val = -EINVAL;
- }
- break;
+ if (min_uV < 2700000) { /* 1800mV ~ 1900mV / 50mV */
+ if (min_uV <= 1800000)
+ val = 0;
+ else if (min_uV <= 1900000)
+ val = (min_uV - 1750001) / 50000;
+ else
+ val = 3; /* 2700mV */
+ } else { /* 2700mV ~ 2850mV / 50mV */
+ if (min_uV <= 2850000) {
+ val = (min_uV - 2650001) / 50000;
+ val += 3;
+ } else if (min_uV <= 3300000)
+ val = 7;
+ else
+ val = -EINVAL;
}
break;
case PM8607_ID_LDO4:
- switch (chip_id) {
- case PM8607_CHIP_A0:
- case PM8607_CHIP_A1:
- if (min_uV < 2700000) /* 1800mV ~ 1900mV / 50mV */
- if (min_uV <= 1800000)
- val = 0;
- else if (min_uV <= 1900000)
- val = (min_uV - 1750001) / 50000;
- else
- val = 3; /* 2700mV */
- else { /* 2700mV ~ 2900mV / 50mV */
- if (min_uV <= 2900000) {
- val = (min_uV - 2650001) / 50000;
- val += 3;
- } else
- val = -EINVAL;
- }
- break;
- case PM8607_CHIP_B0:
- if (min_uV < 2700000) { /* 1800mV ~ 1900mV / 50mV */
- if (min_uV <= 1800000)
- val = 0;
- else if (min_uV <= 1900000)
- val = (min_uV - 1750001) / 50000;
- else
- val = 3; /* 2700mV */
- } else { /* 2700mV ~ 2800mV / 50mV */
- if (min_uV <= 2850000) {
- val = (min_uV - 2650001) / 50000;
- val += 3;
- } else if (min_uV <= 2900000)
- val = 6;
- else if (min_uV <= 3300000)
- val = 7;
- else
- val = -EINVAL;
- }
- break;
+ if (min_uV < 2700000) { /* 1800mV ~ 1900mV / 50mV */
+ if (min_uV <= 1800000)
+ val = 0;
+ else if (min_uV <= 1900000)
+ val = (min_uV - 1750001) / 50000;
+ else
+ val = 3; /* 2700mV */
+ } else { /* 2700mV ~ 2800mV / 50mV */
+ if (min_uV <= 2850000) {
+ val = (min_uV - 2650001) / 50000;
+ val += 3;
+ } else if (min_uV <= 2900000)
+ val = 6;
+ else if (min_uV <= 3300000)
+ val = 7;
+ else
+ val = -EINVAL;
}
break;
case PM8607_ID_LDO6:
- switch (chip_id) {
- case PM8607_CHIP_A0:
- case PM8607_CHIP_A1:
- if (min_uV < 2600000) { /* 1800mV ~ 1900mV / 50mV */
- if (min_uV <= 1800000)
- val = 0;
- else if (min_uV <= 1900000)
- val = (min_uV - 1750001) / 50000;
- else
- val = 3; /* 2600mV */
- } else { /* 2600mV ~ 2800mV / 50mV */
- if (min_uV <= 2800000) {
- val = (min_uV - 2550001) / 50000;
- val += 3;
- } else
- val = -EINVAL;
- }
- break;
- case PM8607_CHIP_B0:
- if (min_uV < 2600000) { /* 1800mV ~ 1850mV / 50mV */
- if (min_uV <= 1800000)
- val = 0;
- else if (min_uV <= 1850000)
- val = (min_uV - 1750001) / 50000;
- else
- val = 2; /* 2600mV */
- } else { /* 2600mV ~ 2800mV / 50mV */
- if (min_uV <= 2800000) {
- val = (min_uV - 2550001) / 50000;
- val += 2;
- } else if (min_uV <= 3300000)
- val = 7;
- else
- val = -EINVAL;
- }
- break;
+ if (min_uV < 2600000) { /* 1800mV ~ 1850mV / 50mV */
+ if (min_uV <= 1800000)
+ val = 0;
+ else if (min_uV <= 1850000)
+ val = (min_uV - 1750001) / 50000;
+ else
+ val = 2; /* 2600mV */
+ } else { /* 2600mV ~ 2800mV / 50mV */
+ if (min_uV <= 2800000) {
+ val = (min_uV - 2550001) / 50000;
+ val += 2;
+ } else if (min_uV <= 3300000)
+ val = 7;
+ else
+ val = -EINVAL;
}
break;
case PM8607_ID_LDO14:
- switch (chip_id) {
- case PM8607_CHIP_A0:
- case PM8607_CHIP_A1:
- if (min_uV < 2700000) { /* 1800mV ~ 1900mV / 50mV */
- if (min_uV <= 1800000)
- val = 0;
- else if (min_uV <= 1900000)
- val = (min_uV - 1750001) / 50000;
- else
- val = 3; /* 2700mV */
- } else { /* 2700mV ~ 2900mV / 50mV */
- if (min_uV <= 2900000) {
- val = (min_uV - 2650001) / 50000;
- val += 3;
- } else
- val = -EINVAL;
- }
- break;
- case PM8607_CHIP_B0:
- if (min_uV < 2700000) { /* 1800mV ~ 1850mV / 50mV */
- if (min_uV <= 1800000)
- val = 0;
- else if (min_uV <= 1850000)
- val = (min_uV - 1750001) / 50000;
- else
- val = 2; /* 2700mV */
- } else { /* 2700mV ~ 2900mV / 50mV */
- if (min_uV <= 2900000) {
- val = (min_uV - 2650001) / 50000;
- val += 2;
- } else if (min_uV <= 3300000)
- val = 7;
- else
- val = -EINVAL;
- }
- break;
+ if (min_uV < 2700000) { /* 1800mV ~ 1850mV / 50mV */
+ if (min_uV <= 1800000)
+ val = 0;
+ else if (min_uV <= 1850000)
+ val = (min_uV - 1750001) / 50000;
+ else
+ val = 2; /* 2700mV */
+ } else { /* 2700mV ~ 2900mV / 50mV */
+ if (min_uV <= 2900000) {
+ val = (min_uV - 2650001) / 50000;
+ val += 2;
+ } else if (min_uV <= 3300000)
+ val = 7;
+ else
+ val = -EINVAL;
}
break;
}
@@ -428,7 +294,6 @@ static int pm8607_set_voltage(struct regulator_dev *rdev,
int min_uV, int max_uV)
{
struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
- struct pm8607_chip *chip = info->chip;
uint8_t val, mask;
int ret;
@@ -443,13 +308,13 @@ static int pm8607_set_voltage(struct regulator_dev *rdev,
val = (uint8_t)(ret << info->vol_shift);
mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
- ret = pm8607_set_bits(chip, info->vol_reg, mask, val);
+ ret = pm860x_set_bits(info->i2c, info->vol_reg, mask, val);
if (ret)
return ret;
switch (info->desc.id) {
case PM8607_ID_BUCK1:
case PM8607_ID_BUCK3:
- ret = pm8607_set_bits(chip, info->update_reg,
+ ret = pm860x_set_bits(info->i2c, info->update_reg,
1 << info->update_bit,
1 << info->update_bit);
break;
@@ -460,11 +325,10 @@ static int pm8607_set_voltage(struct regulator_dev *rdev,
static int pm8607_get_voltage(struct regulator_dev *rdev)
{
struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
- struct pm8607_chip *chip = info->chip;
uint8_t val, mask;
int ret;
- ret = pm8607_reg_read(chip, info->vol_reg);
+ ret = pm860x_reg_read(info->i2c, info->vol_reg);
if (ret < 0)
return ret;
@@ -477,9 +341,8 @@ static int pm8607_get_voltage(struct regulator_dev *rdev)
static int pm8607_enable(struct regulator_dev *rdev)
{
struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
- struct pm8607_chip *chip = info->chip;
- return pm8607_set_bits(chip, info->enable_reg,
+ return pm860x_set_bits(info->i2c, info->enable_reg,
1 << info->enable_bit,
1 << info->enable_bit);
}
@@ -487,19 +350,17 @@ static int pm8607_enable(struct regulator_dev *rdev)
static int pm8607_disable(struct regulator_dev *rdev)
{
struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
- struct pm8607_chip *chip = info->chip;
- return pm8607_set_bits(chip, info->enable_reg,
+ return pm860x_set_bits(info->i2c, info->enable_reg,
1 << info->enable_bit, 0);
}
static int pm8607_is_enabled(struct regulator_dev *rdev)
{
struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
- struct pm8607_chip *chip = info->chip;
int ret;
- ret = pm8607_reg_read(chip, info->enable_reg);
+ ret = pm860x_reg_read(info->i2c, info->enable_reg);
if (ret < 0)
return ret;
@@ -589,8 +450,8 @@ static inline struct pm8607_regulator_info *find_regulator_info(int id)
static int __devinit pm8607_regulator_probe(struct platform_device *pdev)
{
- struct pm8607_chip *chip = dev_get_drvdata(pdev->dev.parent);
- struct pm8607_platform_data *pdata = chip->dev->platform_data;
+ struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent);
+ struct pm860x_platform_data *pdata = chip->dev->platform_data;
struct pm8607_regulator_info *info = NULL;
info = find_regulator_info(pdev->id);
@@ -599,6 +460,7 @@ static int __devinit pm8607_regulator_probe(struct platform_device *pdev)
return -EINVAL;
}
+ info->i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion;
info->chip = chip;
info->regulator = regulator_register(&info->desc, &pdev->dev,
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-14 19:53:34 +0100