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Diffstat (limited to 'drivers/regulator/88pm8607.c')
-rw-r--r--drivers/regulator/88pm8607.c919
1 files changed, 338 insertions, 581 deletions
diff --git a/drivers/regulator/88pm8607.c b/drivers/regulator/88pm8607.c
index 04719551381..337634ad056 100644
--- a/drivers/regulator/88pm8607.c
+++ b/drivers/regulator/88pm8607.c
@@ -2,7 +2,7 @@
* Regulators driver for Marvell 88PM8607
*
* Copyright (C) 2009 Marvell International Ltd.
- * Haojian Zhuang <haojian.zhuang@marvell.com>
+ * Haojian Zhuang <haojian.zhuang@marvell.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -11,532 +11,266 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/err.h>
+#include <linux/i2c.h>
+#include <linux/of.h>
+#include <linux/regulator/of_regulator.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>
+#include <linux/module.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;
+ struct i2c_client *i2c_8606;
+
+ unsigned int *vol_table;
+ unsigned int *vol_suspend;
- int min_uV;
- int max_uV;
- int step_uV;
- int vol_reg;
- int vol_shift;
- int vol_nbits;
- int update_reg;
- int update_bit;
- int enable_reg;
- int enable_bit;
int slope_double;
};
-static inline int check_range(struct pm8607_regulator_info *info,
- int min_uV, int max_uV)
-{
- if (max_uV < info->min_uV || min_uV > info->max_uV || min_uV > max_uV)
- return -EINVAL;
+static const unsigned int BUCK1_table[] = {
+ 725000, 750000, 775000, 800000, 825000, 850000, 875000, 900000,
+ 925000, 950000, 975000, 1000000, 1025000, 1050000, 1075000, 1100000,
+ 1125000, 1150000, 1175000, 1200000, 1225000, 1250000, 1275000, 1300000,
+ 1325000, 1350000, 1375000, 1400000, 1425000, 1450000, 1475000, 1500000,
+ 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
+ 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000,
+ 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000,
+ 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000,
+};
- return 0;
-}
+static const unsigned int BUCK1_suspend_table[] = {
+ 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
+ 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000,
+ 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000,
+ 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000,
+ 800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000,
+ 1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000,
+ 1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000,
+ 1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000,
+};
-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;
+static const unsigned int BUCK2_table[] = {
+ 0, 50000, 100000, 150000, 200000, 250000, 300000, 350000,
+ 400000, 450000, 500000, 550000, 600000, 650000, 700000, 750000,
+ 800000, 850000, 900000, 950000, 1000000, 1050000, 1100000, 1150000,
+ 1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000, 1550000,
+ 1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000, 1950000,
+ 2000000, 2050000, 2100000, 2150000, 2200000, 2250000, 2300000, 2350000,
+ 2400000, 2450000, 2500000, 2550000, 2600000, 2650000, 2700000, 2750000,
+ 2800000, 2850000, 2900000, 2950000, 3000000, 3000000, 3000000, 3000000,
+};
- switch (info->desc.id) {
- case PM8607_ID_BUCK1:
- ret = (index < 0x1d) ? (index * 25000 + 800000) :
- ((index < 0x20) ? 1500000 :
- ((index < 0x40) ? ((index - 0x20) * 25000) :
- -EINVAL));
- break;
- case PM8607_ID_BUCK3:
- ret = (index < 0x3d) ? (index * 25000) :
- ((index < 0x40) ? 1500000 : -EINVAL);
- if (ret < 0)
- break;
- if (info->slope_double)
- ret <<= 1;
- break;
- case PM8607_ID_LDO1:
- ret = (index == 0) ? 1800000 :
- ((index == 1) ? 1200000 :
- ((index == 2) ? 2800000 : -EINVAL));
- break;
- case PM8607_ID_LDO5:
- ret = (index == 0) ? 2900000 :
- ((index == 1) ? 3000000 :
- ((index == 2) ? 3100000 : 3300000));
- break;
- case PM8607_ID_LDO7:
- case PM8607_ID_LDO8:
- ret = (index < 3) ? (index * 50000 + 1800000) :
- ((index < 8) ? (index * 50000 + 2550000) :
- -EINVAL);
- break;
- case PM8607_ID_LDO12:
- ret = (index < 2) ? (index * 100000 + 1800000) :
- ((index < 7) ? (index * 100000 + 2500000) :
- ((index == 7) ? 3300000 : 1200000));
- break;
- 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;
- }
- 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;
- }
- 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;
- }
- 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;
- }
- 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;
- }
- break;
- }
- return ret;
-}
+static const unsigned int BUCK2_suspend_table[] = {
+ 0, 50000, 100000, 150000, 200000, 250000, 300000, 350000,
+ 400000, 450000, 500000, 550000, 600000, 650000, 700000, 750000,
+ 800000, 850000, 900000, 950000, 1000000, 1050000, 1100000, 1150000,
+ 1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000, 1550000,
+ 1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000, 1950000,
+ 2000000, 2050000, 2100000, 2150000, 2200000, 2250000, 2300000, 2350000,
+ 2400000, 2450000, 2500000, 2550000, 2600000, 2650000, 2700000, 2750000,
+ 2800000, 2850000, 2900000, 2950000, 3000000, 3000000, 3000000, 3000000,
+};
-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;
-
- switch (info->desc.id) {
- case PM8607_ID_BUCK1:
- if (min_uV >= 800000) /* 800mV ~ 1500mV / 25mV */
- val = (min_uV - 775001) / 25000;
- else { /* 25mV ~ 775mV / 25mV */
- val = (min_uV + 249999) / 25000;
- val += 32;
- }
- break;
- case PM8607_ID_BUCK3:
- if (info->slope_double)
- min_uV = min_uV >> 1;
- val = (min_uV + 249999) / 25000; /* 0mV ~ 1500mV / 25mV */
-
- break;
- case PM8607_ID_LDO1:
- if (min_uV > 1800000)
- val = 2;
- else if (min_uV > 1200000)
- val = 0;
- else
- val = 1;
- break;
- case PM8607_ID_LDO5:
- if (min_uV > 3100000)
- val = 3;
- else /* 2900mV ~ 3100mV / 100mV */
- val = (min_uV - 2800001) / 100000;
- break;
- case PM8607_ID_LDO7:
- case PM8607_ID_LDO8:
- if (min_uV < 2700000) { /* 1800mV ~ 1900mV / 50mV */
- if (min_uV <= 1800000)
- val = 0; /* 1800mv */
- 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_ID_LDO10:
- if (min_uV > 2850000)
- val = 7;
- else if (min_uV <= 1200000)
- val = 8;
- else if (min_uV < 2700000) /* 1800mV ~ 1900mV / 50mV */
- val = (min_uV - 1750001) / 50000;
- else { /* 2700mV ~ 2850mV / 50mV */
- val = (min_uV - 2650001) / 50000;
- val += 3;
- }
- break;
- case PM8607_ID_LDO12:
- if (min_uV < 2700000) { /* 1800mV ~ 1900mV / 100mV */
- if (min_uV <= 1200000)
- val = 8; /* 1200mV */
- else if (min_uV <= 1800000)
- val = 0; /* 1800mV */
- else if (min_uV <= 1900000)
- val = (min_uV - 1700001) / 100000;
- else
- val = 2; /* 2700mV */
- } else { /* 2700mV ~ 3100mV / 100mV */
- if (min_uV <= 3100000) {
- val = (min_uV - 2600001) / 100000;
- val += 2;
- } else if (min_uV <= 3300000)
- val = 7;
- else
- val = -EINVAL;
- }
- break;
- 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;
- }
- 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;
- }
- 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;
- }
- 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;
- }
- break;
- }
- if (val >= 0) {
- ret = pm8607_list_voltage(rdev, val);
- if (ret > max_uV) {
- pr_err("exceed voltage range (%d %d) uV",
- min_uV, max_uV);
- return -EINVAL;
- }
- } else
- pr_err("invalid voltage range (%d %d) uV", min_uV, max_uV);
- return val;
-}
+static const unsigned int BUCK3_table[] = {
+ 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
+ 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000,
+ 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000,
+ 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000,
+ 800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000,
+ 1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000,
+ 1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000,
+ 1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000,
+};
-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;
+static const unsigned int BUCK3_suspend_table[] = {
+ 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
+ 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000,
+ 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000,
+ 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000,
+ 800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000,
+ 1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000,
+ 1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000,
+ 1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000,
+};
- if (check_range(info, min_uV, max_uV)) {
- pr_err("invalid voltage range (%d, %d) uV\n", min_uV, max_uV);
- return -EINVAL;
- }
+static const unsigned int LDO1_table[] = {
+ 1800000, 1200000, 2800000, 0,
+};
- ret = choose_voltage(rdev, min_uV, max_uV);
- if (ret < 0)
- return -EINVAL;
- 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);
- if (ret)
- return ret;
- switch (info->desc.id) {
- case PM8607_ID_BUCK1:
- case PM8607_ID_BUCK3:
- ret = pm8607_set_bits(chip, info->update_reg,
- 1 << info->update_bit,
- 1 << info->update_bit);
- break;
- }
- return ret;
-}
+static const unsigned int LDO1_suspend_table[] = {
+ 1800000, 1200000, 0, 0,
+};
-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;
+static const unsigned int LDO2_table[] = {
+ 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
+};
- ret = pm8607_reg_read(chip, info->vol_reg);
- if (ret < 0)
- return ret;
+static const unsigned int LDO2_suspend_table[] = {
+ 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
+};
- mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
- val = ((unsigned char)ret & mask) >> info->vol_shift;
+static const unsigned int LDO3_table[] = {
+ 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
+};
- return pm8607_list_voltage(rdev, val);
-}
+static const unsigned int LDO3_suspend_table[] = {
+ 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
+};
-static int pm8607_enable(struct regulator_dev *rdev)
-{
- struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
- struct pm8607_chip *chip = info->chip;
+static const unsigned int LDO4_table[] = {
+ 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2900000, 3300000,
+};
- return pm8607_set_bits(chip, info->enable_reg,
- 1 << info->enable_bit,
- 1 << info->enable_bit);
-}
+static const unsigned int LDO4_suspend_table[] = {
+ 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2900000, 2900000,
+};
-static int pm8607_disable(struct regulator_dev *rdev)
-{
- struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
- struct pm8607_chip *chip = info->chip;
+static const unsigned int LDO5_table[] = {
+ 2900000, 3000000, 3100000, 3300000,
+};
- return pm8607_set_bits(chip, info->enable_reg,
- 1 << info->enable_bit, 0);
-}
+static const unsigned int LDO5_suspend_table[] = {
+ 2900000, 0, 0, 0,
+};
+
+static const unsigned int LDO6_table[] = {
+ 1800000, 1850000, 2600000, 2650000, 2700000, 2750000, 2800000, 3300000,
+};
+
+static const unsigned int LDO6_suspend_table[] = {
+ 1800000, 1850000, 2600000, 2650000, 2700000, 2750000, 2800000, 2900000,
+};
+
+static const unsigned int LDO7_table[] = {
+ 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
+};
+
+static const unsigned int LDO7_suspend_table[] = {
+ 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
+};
+
+static const unsigned int LDO8_table[] = {
+ 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
+};
+
+static const unsigned int LDO8_suspend_table[] = {
+ 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
+};
+
+static const unsigned int LDO9_table[] = {
+ 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
+};
+
+static const unsigned int LDO9_suspend_table[] = {
+ 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
+};
+
+static const unsigned int LDO10_table[] = {
+ 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
+ 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
+};
+
+static const unsigned int LDO10_suspend_table[] = {
+ 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
+ 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
+};
-static int pm8607_is_enabled(struct regulator_dev *rdev)
+static const unsigned int LDO12_table[] = {
+ 1800000, 1900000, 2700000, 2800000, 2900000, 3000000, 3100000, 3300000,
+ 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
+};
+
+static const unsigned int LDO12_suspend_table[] = {
+ 1800000, 1900000, 2700000, 2800000, 2900000, 2900000, 2900000, 2900000,
+ 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
+};
+
+static const unsigned int LDO13_table[] = {
+ 1200000, 1300000, 1800000, 2000000, 2500000, 2800000, 3000000, 0,
+};
+
+static const unsigned int LDO13_suspend_table[] = {
+ 0,
+};
+
+static const unsigned int LDO14_table[] = {
+ 1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 3300000,
+};
+
+static const unsigned int LDO14_suspend_table[] = {
+ 1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 2900000,
+};
+
+static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index)
{
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);
- if (ret < 0)
- return ret;
+ int ret = -EINVAL;
- return !!((unsigned char)ret & (1 << info->enable_bit));
+ if (info->vol_table && (index < rdev->desc->n_voltages)) {
+ ret = info->vol_table[index];
+ if (info->slope_double)
+ ret <<= 1;
+ }
+ return ret;
}
static struct regulator_ops pm8607_regulator_ops = {
- .set_voltage = pm8607_set_voltage,
- .get_voltage = pm8607_get_voltage,
- .enable = pm8607_enable,
- .disable = pm8607_disable,
- .is_enabled = pm8607_is_enabled,
+ .list_voltage = pm8607_list_voltage,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
};
-#define PM8607_DVC(_id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \
+static struct regulator_ops pm8606_preg_ops = {
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+};
+
+#define PM8606_PREG(ereg, ebit) \
+{ \
+ .desc = { \
+ .name = "PREG", \
+ .ops = &pm8606_preg_ops, \
+ .type = REGULATOR_CURRENT, \
+ .id = PM8606_ID_PREG, \
+ .owner = THIS_MODULE, \
+ .enable_reg = PM8606_##ereg, \
+ .enable_mask = (ebit), \
+ .enable_is_inverted = true, \
+ }, \
+}
+
+#define PM8607_DVC(vreg, ureg, ubit, ereg, ebit) \
{ \
.desc = { \
- .name = "BUCK" #_id, \
+ .name = #vreg, \
.ops = &pm8607_regulator_ops, \
.type = REGULATOR_VOLTAGE, \
- .id = PM8607_ID_BUCK##_id, \
+ .id = PM8607_ID_##vreg, \
.owner = THIS_MODULE, \
+ .n_voltages = ARRAY_SIZE(vreg##_table), \
+ .vsel_reg = PM8607_##vreg, \
+ .vsel_mask = ARRAY_SIZE(vreg##_table) - 1, \
+ .apply_reg = PM8607_##ureg, \
+ .apply_bit = (ubit), \
+ .enable_reg = PM8607_##ereg, \
+ .enable_mask = 1 << (ebit), \
}, \
- .min_uV = (min) * 1000, \
- .max_uV = (max) * 1000, \
- .step_uV = (step) * 1000, \
- .vol_reg = PM8607_##vreg, \
- .vol_shift = (0), \
- .vol_nbits = (nbits), \
- .update_reg = PM8607_##ureg, \
- .update_bit = (ubit), \
- .enable_reg = PM8607_##ereg, \
- .enable_bit = (ebit), \
.slope_double = (0), \
+ .vol_table = (unsigned int *)&vreg##_table, \
+ .vol_suspend = (unsigned int *)&vreg##_suspend_table, \
}
-#define PM8607_LDO(_id, min, max, step, vreg, shift, nbits, ereg, ebit) \
+#define PM8607_LDO(_id, vreg, shift, ereg, ebit) \
{ \
.desc = { \
.name = "LDO" #_id, \
@@ -544,138 +278,161 @@ static struct regulator_ops pm8607_regulator_ops = {
.type = REGULATOR_VOLTAGE, \
.id = PM8607_ID_LDO##_id, \
.owner = THIS_MODULE, \
+ .n_voltages = ARRAY_SIZE(LDO##_id##_table), \
+ .vsel_reg = PM8607_##vreg, \
+ .vsel_mask = (ARRAY_SIZE(LDO##_id##_table) - 1) << (shift), \
+ .enable_reg = PM8607_##ereg, \
+ .enable_mask = 1 << (ebit), \
}, \
- .min_uV = (min) * 1000, \
- .max_uV = (max) * 1000, \
- .step_uV = (step) * 1000, \
- .vol_reg = PM8607_##vreg, \
- .vol_shift = (shift), \
- .vol_nbits = (nbits), \
- .enable_reg = PM8607_##ereg, \
- .enable_bit = (ebit), \
.slope_double = (0), \
+ .vol_table = (unsigned int *)&LDO##_id##_table, \
+ .vol_suspend = (unsigned int *)&LDO##_id##_suspend_table, \
}
static struct pm8607_regulator_info pm8607_regulator_info[] = {
- PM8607_DVC(1, 0, 1500, 25, BUCK1, 6, GO, 0, SUPPLIES_EN11, 0),
- PM8607_DVC(3, 0, 1500, 25, BUCK3, 6, GO, 2, SUPPLIES_EN11, 2),
-
- PM8607_LDO(1 , 1200, 2800, 0, LDO1 , 0, 2, SUPPLIES_EN11, 3),
- PM8607_LDO(2 , 1800, 3300, 0, LDO2 , 0, 3, SUPPLIES_EN11, 4),
- PM8607_LDO(3 , 1800, 3300, 0, LDO3 , 0, 3, SUPPLIES_EN11, 5),
- PM8607_LDO(4 , 1800, 3300, 0, LDO4 , 0, 3, SUPPLIES_EN11, 6),
- PM8607_LDO(5 , 2900, 3300, 0, LDO5 , 0, 2, SUPPLIES_EN11, 7),
- PM8607_LDO(6 , 1800, 3300, 0, LDO6 , 0, 3, SUPPLIES_EN12, 0),
- PM8607_LDO(7 , 1800, 2900, 0, LDO7 , 0, 3, SUPPLIES_EN12, 1),
- PM8607_LDO(8 , 1800, 2900, 0, LDO8 , 0, 3, SUPPLIES_EN12, 2),
- PM8607_LDO(9 , 1800, 3300, 0, LDO9 , 0, 3, SUPPLIES_EN12, 3),
- PM8607_LDO(10, 1200, 3300, 0, LDO10, 0, 4, SUPPLIES_EN11, 4),
- PM8607_LDO(12, 1200, 3300, 0, LDO12, 0, 4, SUPPLIES_EN11, 5),
- PM8607_LDO(14, 1800, 3300, 0, LDO14, 0, 3, SUPPLIES_EN11, 6),
-};
-
-static inline struct pm8607_regulator_info *find_regulator_info(int id)
-{
- struct pm8607_regulator_info *info;
- int i;
+ PM8607_DVC(BUCK1, GO, BIT(0), SUPPLIES_EN11, 0),
+ PM8607_DVC(BUCK2, GO, BIT(1), SUPPLIES_EN11, 1),
+ PM8607_DVC(BUCK3, GO, BIT(2), SUPPLIES_EN11, 2),
+
+ PM8607_LDO(1, LDO1, 0, SUPPLIES_EN11, 3),
+ PM8607_LDO(2, LDO2, 0, SUPPLIES_EN11, 4),
+ PM8607_LDO(3, LDO3, 0, SUPPLIES_EN11, 5),
+ PM8607_LDO(4, LDO4, 0, SUPPLIES_EN11, 6),
+ PM8607_LDO(5, LDO5, 0, SUPPLIES_EN11, 7),
+ PM8607_LDO(6, LDO6, 0, SUPPLIES_EN12, 0),
+ PM8607_LDO(7, LDO7, 0, SUPPLIES_EN12, 1),
+ PM8607_LDO(8, LDO8, 0, SUPPLIES_EN12, 2),
+ PM8607_LDO(9, LDO9, 0, SUPPLIES_EN12, 3),
+ PM8607_LDO(10, LDO10, 0, SUPPLIES_EN12, 4),
+ PM8607_LDO(12, LDO12, 0, SUPPLIES_EN12, 5),
+ PM8607_LDO(13, VIBRATOR_SET, 1, VIBRATOR_SET, 0),
+ PM8607_LDO(14, LDO14, 0, SUPPLIES_EN12, 6),
+};
- for (i = 0; i < ARRAY_SIZE(pm8607_regulator_info); i++) {
- info = &pm8607_regulator_info[i];
- if (info->desc.id == id)
- return info;
+static struct pm8607_regulator_info pm8606_regulator_info[] = {
+ PM8606_PREG(PREREGULATORB, 5),
+};
+
+#ifdef CONFIG_OF
+static int pm8607_regulator_dt_init(struct platform_device *pdev,
+ struct pm8607_regulator_info *info,
+ struct regulator_config *config)
+{
+ struct device_node *nproot, *np;
+ nproot = of_node_get(pdev->dev.parent->of_node);
+ if (!nproot)
+ return -ENODEV;
+ nproot = of_get_child_by_name(nproot, "regulators");
+ if (!nproot) {
+ dev_err(&pdev->dev, "failed to find regulators node\n");
+ return -ENODEV;
+ }
+ for_each_child_of_node(nproot, np) {
+ if (!of_node_cmp(np->name, info->desc.name)) {
+ config->init_data =
+ of_get_regulator_init_data(&pdev->dev, np);
+ config->of_node = np;
+ break;
+ }
}
- return NULL;
+ of_node_put(nproot);
+ return 0;
}
+#else
+#define pm8607_regulator_dt_init(x, y, z) (-1)
+#endif
-static int __devinit pm8607_regulator_probe(struct platform_device *pdev)
+static int 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 pm8607_regulator_info *info = NULL;
+ struct regulator_init_data *pdata = dev_get_platdata(&pdev->dev);
+ struct regulator_config config = { };
+ struct resource *res;
+ int i;
- info = find_regulator_info(pdev->id);
- if (info == NULL) {
- dev_err(&pdev->dev, "invalid regulator ID specified\n");
- return -EINVAL;
+ res = platform_get_resource(pdev, IORESOURCE_REG, 0);
+ if (res) {
+ /* There're resources in 88PM8607 regulator driver */
+ for (i = 0; i < ARRAY_SIZE(pm8607_regulator_info); i++) {
+ info = &pm8607_regulator_info[i];
+ if (info->desc.vsel_reg == res->start)
+ break;
+ }
+ if (i == ARRAY_SIZE(pm8607_regulator_info)) {
+ dev_err(&pdev->dev, "Failed to find regulator %llu\n",
+ (unsigned long long)res->start);
+ return -EINVAL;
+ }
+ } else {
+ /* There's no resource in 88PM8606 PREG regulator driver */
+ info = &pm8606_regulator_info[0];
+ /* i is used to check regulator ID */
+ i = -1;
}
-
+ info->i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion;
+ info->i2c_8606 = (chip->id == CHIP_PM8607) ? chip->companion :
+ chip->client;
info->chip = chip;
- info->regulator = regulator_register(&info->desc, &pdev->dev,
- pdata->regulator[pdev->id], info);
+ /* check DVC ramp slope double */
+ if ((i == PM8607_ID_BUCK3) && info->chip->buck3_double)
+ info->slope_double = 1;
+
+ config.dev = &pdev->dev;
+ config.driver_data = info;
+
+ if (pm8607_regulator_dt_init(pdev, info, &config))
+ if (pdata)
+ config.init_data = pdata;
+
+ if (chip->id == CHIP_PM8607)
+ config.regmap = chip->regmap;
+ else
+ config.regmap = chip->regmap_companion;
+
+ info->regulator = devm_regulator_register(&pdev->dev, &info->desc,
+ &config);
if (IS_ERR(info->regulator)) {
dev_err(&pdev->dev, "failed to register regulator %s\n",
info->desc.name);
return PTR_ERR(info->regulator);
}
- /* check DVC ramp slope double */
- if (info->desc.id == PM8607_ID_BUCK3)
- if (info->chip->buck3_double)
- info->slope_double = 1;
-
platform_set_drvdata(pdev, info);
return 0;
}
-static int __devexit pm8607_regulator_remove(struct platform_device *pdev)
-{
- struct pm8607_regulator_info *info = platform_get_drvdata(pdev);
-
- regulator_unregister(info->regulator);
- return 0;
-}
-
-#define PM8607_REGULATOR_DRIVER(_name) \
-{ \
- .driver = { \
- .name = "88pm8607-" #_name, \
- .owner = THIS_MODULE, \
- }, \
- .probe = pm8607_regulator_probe, \
- .remove = __devexit_p(pm8607_regulator_remove), \
-}
-
-static struct platform_driver pm8607_regulator_driver[] = {
- PM8607_REGULATOR_DRIVER(buck1),
- PM8607_REGULATOR_DRIVER(buck2),
- PM8607_REGULATOR_DRIVER(buck3),
- PM8607_REGULATOR_DRIVER(ldo1),
- PM8607_REGULATOR_DRIVER(ldo2),
- PM8607_REGULATOR_DRIVER(ldo3),
- PM8607_REGULATOR_DRIVER(ldo4),
- PM8607_REGULATOR_DRIVER(ldo5),
- PM8607_REGULATOR_DRIVER(ldo6),
- PM8607_REGULATOR_DRIVER(ldo7),
- PM8607_REGULATOR_DRIVER(ldo8),
- PM8607_REGULATOR_DRIVER(ldo9),
- PM8607_REGULATOR_DRIVER(ldo10),
- PM8607_REGULATOR_DRIVER(ldo12),
- PM8607_REGULATOR_DRIVER(ldo14),
+static struct platform_device_id pm8607_regulator_driver_ids[] = {
+ {
+ .name = "88pm860x-regulator",
+ .driver_data = 0,
+ }, {
+ .name = "88pm860x-preg",
+ .driver_data = 0,
+ },
+ { },
+};
+MODULE_DEVICE_TABLE(platform, pm8607_regulator_driver_ids);
+
+static struct platform_driver pm8607_regulator_driver = {
+ .driver = {
+ .name = "88pm860x-regulator",
+ .owner = THIS_MODULE,
+ },
+ .probe = pm8607_regulator_probe,
+ .id_table = pm8607_regulator_driver_ids,
};
static int __init pm8607_regulator_init(void)
{
- int i, count, ret;
-
- count = ARRAY_SIZE(pm8607_regulator_driver);
- for (i = 0; i < count; i++) {
- ret = platform_driver_register(&pm8607_regulator_driver[i]);
- if (ret != 0)
- pr_err("Failed to register regulator driver: %d\n",
- ret);
- }
- return 0;
+ return platform_driver_register(&pm8607_regulator_driver);
}
subsys_initcall(pm8607_regulator_init);
static void __exit pm8607_regulator_exit(void)
{
- int i, count;
-
- count = ARRAY_SIZE(pm8607_regulator_driver);
- for (i = 0; i < count; i++)
- platform_driver_unregister(&pm8607_regulator_driver[i]);
+ platform_driver_unregister(&pm8607_regulator_driver);
}
module_exit(pm8607_regulator_exit);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-14 23:27:28 +0000