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Merge remote-tracking branch 'regulator/topic/drivers' into regulator-next

This commit is contained in:
Mark Brown 2012-03-18 21:37:37 +00:00
parent 16fbcc3b11 ca61a7bfcd
commit 63236f4038
35 changed files with 3124 additions and 983 deletions
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381
drivers/regulator/Kconfig
View File

@ -74,13 +74,72 @@ config REGULATOR_GPIO
and the platform has to provide a mapping of GPIO-states
to target volts/amps.
config REGULATOR_BQ24022
tristate "TI bq24022 Dual Input 1-Cell Li-Ion Charger IC"
config REGULATOR_AD5398
tristate "Analog Devices AD5398/AD5821 regulators"
depends on I2C
help
This driver controls a TI bq24022 Charger attached via
GPIOs. The provided current regulator can enable/disable
charging select between 100 mA and 500 mA charging current
limit.
This driver supports AD5398 and AD5821 current regulator chips.
If building into module, its name is ad5398.ko.
config REGULATOR_AAT2870
tristate "AnalogicTech AAT2870 Regulators"
depends on MFD_AAT2870_CORE
help
If you have a AnalogicTech AAT2870 say Y to enable the
regulator driver.
config REGULATOR_DA903X
tristate "Dialog Semiconductor DA9030/DA9034 regulators"
depends on PMIC_DA903X
help
Say y here to support the BUCKs and LDOs regulators found on
Dialog Semiconductor DA9030/DA9034 PMIC.
config REGULATOR_DA9052
tristate "Dialog Semiconductor DA9052/DA9053 regulators"
depends on PMIC_DA9052
help
This driver supports the voltage regulators of DA9052-BC and
DA9053-AA/Bx PMIC.
config REGULATOR_ANATOP
tristate "Freescale i.MX on-chip ANATOP LDO regulators"
depends on MFD_ANATOP
help
Say y here to support Freescale i.MX on-chip ANATOP LDOs
regulators. It is recommended that this option be
enabled on i.MX6 platform.
config REGULATOR_MC13XXX_CORE
tristate
config REGULATOR_MC13783
tristate "Freescale MC13783 regulator driver"
depends on MFD_MC13783
select REGULATOR_MC13XXX_CORE
help
Say y here to support the regulators found on the Freescale MC13783
PMIC.
config REGULATOR_MC13892
tristate "Freescale MC13892 regulator driver"
depends on MFD_MC13XXX
select REGULATOR_MC13XXX_CORE
help
Say y here to support the regulators found on the Freescale MC13892
PMIC.
config REGULATOR_ISL6271A
tristate "Intersil ISL6271A Power regulator"
depends on I2C
help
This driver supports ISL6271A voltage regulator chip.
config REGULATOR_88PM8607
bool "Marvell 88PM8607 Power regulators"
depends on MFD_88PM860X=y
help
This driver supports 88PM8607 voltage regulator chips.
config REGULATOR_MAX1586
tristate "Maxim 1586/1587 voltage regulator"
@ -136,6 +195,150 @@ config REGULATOR_MAX8998
via I2C bus. The provided regulator is suitable for S3C6410
and S5PC1XX chips to control VCC_CORE and VCC_USIM voltages.
config REGULATOR_PCAP
tristate "Motorola PCAP2 regulator driver"
depends on EZX_PCAP
help
This driver provides support for the voltage regulators of the
PCAP2 PMIC.
config REGULATOR_LP3971
tristate "National Semiconductors LP3971 PMIC regulator driver"
depends on I2C
help
Say Y here to support the voltage regulators and convertors
on National Semiconductors LP3971 PMIC
config REGULATOR_LP3972
tristate "National Semiconductors LP3972 PMIC regulator driver"
depends on I2C
help
Say Y here to support the voltage regulators and convertors
on National Semiconductors LP3972 PMIC
config REGULATOR_PCF50633
tristate "NXP PCF50633 regulator driver"
depends on MFD_PCF50633
help
Say Y here to support the voltage regulators and convertors
on PCF50633
config REGULATOR_S5M8767
tristate "Samsung S5M8767A voltage regulator"
depends on MFD_S5M_CORE
help
This driver supports a Samsung S5M8767A voltage output regulator
via I2C bus. S5M8767A have 9 Bucks and 28 LDOs output and
supports DVS mode with 8bits of output voltage control.
config REGULATOR_AB3100
tristate "ST-Ericsson AB3100 Regulator functions"
depends on AB3100_CORE
default y if AB3100_CORE
help
These regulators correspond to functionality in the
AB3100 analog baseband dealing with power regulators
for the system.
config REGULATOR_AB8500
bool "ST-Ericsson AB8500 Power Regulators"
depends on AB8500_CORE
help
This driver supports the regulators found on the ST-Ericsson mixed
signal AB8500 PMIC
config REGULATOR_DBX500_PRCMU
bool
config REGULATOR_DB8500_PRCMU
bool "ST-Ericsson DB8500 Voltage Domain Regulators"
depends on MFD_DB8500_PRCMU
select REGULATOR_DBX500_PRCMU
help
This driver supports the voltage domain regulators controlled by the
DB8500 PRCMU
config REGULATOR_BQ24022
tristate "TI bq24022 Dual Input 1-Cell Li-Ion Charger IC"
help
This driver controls a TI bq24022 Charger attached via
GPIOs. The provided current regulator can enable/disable
charging select between 100 mA and 500 mA charging current
limit.
config REGULATOR_TPS6105X
tristate "TI TPS6105X Power regulators"
depends on TPS6105X
default y if TPS6105X
help
This driver supports TPS61050/TPS61052 voltage regulator chips.
It is a single boost converter primarily for white LEDs and
audio amplifiers.
config REGULATOR_TPS62360
tristate "TI TPS62360 Power Regulator"
depends on I2C
select REGMAP_I2C
help
This driver supports TPS62360 voltage regulator chip. This
regulator is meant for processor core supply. This chip is
high-frequency synchronous step down dc-dc converter optimized
for battery-powered portable applications.
config REGULATOR_TPS65023
tristate "TI TPS65023 Power regulators"
depends on I2C
select REGMAP_I2C
help
This driver supports TPS65023 voltage regulator chips. TPS65023 provides
three step-down converters and two general-purpose LDO voltage regulators.
It supports TI's software based Class-2 SmartReflex implementation.
config REGULATOR_TPS6507X
tristate "TI TPS6507X Power regulators"
depends on I2C
help
This driver supports TPS6507X voltage regulator chips. TPS6507X provides
three step-down converters and two general-purpose LDO voltage regulators.
It supports TI's software based Class-2 SmartReflex implementation.
config REGULATOR_TPS65217
tristate "TI TPS65217 Power regulators"
depends on MFD_TPS65217
help
This driver supports TPS65217 voltage regulator chips. TPS65217
provides three step-down converters and four general-purpose LDO
voltage regulators. It supports software based voltage control
for different voltage domains
config REGULATOR_TPS6524X
tristate "TI TPS6524X Power regulators"
depends on SPI
help
This driver supports TPS6524X voltage regulator chips. TPS6524X
provides three step-down converters and two general-purpose LDO
voltage regulators. This device is interfaced using a customized
serial interface currently supported on the sequencer serial
port controller.
config REGULATOR_TPS6586X
tristate "TI TPS6586X Power regulators"
depends on MFD_TPS6586X
help
This driver supports TPS6586X voltage regulator chips.
config REGULATOR_TPS65910
tristate "TI TPS65910/TPS65911 Power Regulators"
depends on MFD_TPS65910
help
This driver supports TPS65910/TPS65911 voltage regulator chips.
config REGULATOR_TPS65912
tristate "TI TPS65912 Power regulator"
depends on (MFD_TPS65912_I2C || MFD_TPS65912_SPI)
help
This driver supports TPS65912 voltage regulator chip.
config REGULATOR_TWL4030
bool "TI TWL4030/TWL5030/TWL6030/TPS659x0 PMIC"
depends on TWL4030_CORE
@ -144,7 +347,7 @@ config REGULATOR_TWL4030
this family of companion chips.
config REGULATOR_WM831X
tristate "Wolfson Microelcronics WM831x PMIC regulators"
tristate "Wolfson Microelectronics WM831x PMIC regulators"
depends on MFD_WM831X
help
Support the voltage and current regulators of the WM831x series
@ -171,169 +374,5 @@ config REGULATOR_WM8994
This driver provides support for the voltage regulators on the
WM8994 CODEC.
config REGULATOR_DA903X
tristate "Support regulators on Dialog Semiconductor DA9030/DA9034 PMIC"
depends on PMIC_DA903X
help
Say y here to support the BUCKs and LDOs regulators found on
Dialog Semiconductor DA9030/DA9034 PMIC.
config REGULATOR_DA9052
tristate "Dialog DA9052/DA9053 regulators"
depends on PMIC_DA9052
help
This driver supports the voltage regulators of DA9052-BC and
DA9053-AA/Bx PMIC.
config REGULATOR_PCF50633
tristate "PCF50633 regulator driver"
depends on MFD_PCF50633
help
Say Y here to support the voltage regulators and convertors
on PCF50633
config REGULATOR_LP3971
tristate "National Semiconductors LP3971 PMIC regulator driver"
depends on I2C
help
Say Y here to support the voltage regulators and convertors
on National Semiconductors LP3971 PMIC
config REGULATOR_LP3972
tristate "National Semiconductors LP3972 PMIC regulator driver"
depends on I2C
help
Say Y here to support the voltage regulators and convertors
on National Semiconductors LP3972 PMIC
config REGULATOR_PCAP
tristate "PCAP2 regulator driver"
depends on EZX_PCAP
help
This driver provides support for the voltage regulators of the
PCAP2 PMIC.
config REGULATOR_MC13XXX_CORE
tristate
config REGULATOR_MC13783
tristate "Support regulators on Freescale MC13783 PMIC"
depends on MFD_MC13783
select REGULATOR_MC13XXX_CORE
help
Say y here to support the regulators found on the Freescale MC13783
PMIC.
config REGULATOR_MC13892
tristate "Support regulators on Freescale MC13892 PMIC"
depends on MFD_MC13XXX
select REGULATOR_MC13XXX_CORE
help
Say y here to support the regulators found on the Freescale MC13892
PMIC.
config REGULATOR_AB3100
tristate "ST-Ericsson AB3100 Regulator functions"
depends on AB3100_CORE
default y if AB3100_CORE
help
These regulators correspond to functionality in the
AB3100 analog baseband dealing with power regulators
for the system.
config REGULATOR_TPS6105X
tristate "TI TPS6105X Power regulators"
depends on TPS6105X
default y if TPS6105X
help
This driver supports TPS61050/TPS61052 voltage regulator chips.
It is a single boost converter primarily for white LEDs and
audio amplifiers.
config REGULATOR_TPS65023
tristate "TI TPS65023 Power regulators"
depends on I2C
select REGMAP_I2C
help
This driver supports TPS65023 voltage regulator chips. TPS65023 provides
three step-down converters and two general-purpose LDO voltage regulators.
It supports TI's software based Class-2 SmartReflex implementation.
config REGULATOR_TPS6507X
tristate "TI TPS6507X Power regulators"
depends on I2C
help
This driver supports TPS6507X voltage regulator chips. TPS6507X provides
three step-down converters and two general-purpose LDO voltage regulators.
It supports TI's software based Class-2 SmartReflex implementation.
config REGULATOR_TPS65912
tristate "TI TPS65912 Power regulator"
depends on (MFD_TPS65912_I2C || MFD_TPS65912_SPI)
help
This driver supports TPS65912 voltage regulator chip.
config REGULATOR_88PM8607
bool "Marvell 88PM8607 Power regulators"
depends on MFD_88PM860X=y
help
This driver supports 88PM8607 voltage regulator chips.
config REGULATOR_ISL6271A
tristate "Intersil ISL6271A Power regulator"
depends on I2C
help
This driver supports ISL6271A voltage regulator chip.
config REGULATOR_AD5398
tristate "Analog Devices AD5398/AD5821 regulators"
depends on I2C
help
This driver supports AD5398 and AD5821 current regulator chips.
If building into module, its name is ad5398.ko.
config REGULATOR_AB8500
bool "ST-Ericsson AB8500 Power Regulators"
depends on AB8500_CORE
help
This driver supports the regulators found on the ST-Ericsson mixed
signal AB8500 PMIC
config REGULATOR_DB8500_PRCMU
bool "ST-Ericsson DB8500 Voltage Domain Regulators"
depends on MFD_DB8500_PRCMU
help
This driver supports the voltage domain regulators controlled by the
DB8500 PRCMU
config REGULATOR_TPS6586X
tristate "TI TPS6586X Power regulators"
depends on MFD_TPS6586X
help
This driver supports TPS6586X voltage regulator chips.
config REGULATOR_TPS6524X
tristate "TI TPS6524X Power regulators"
depends on SPI
help
This driver supports TPS6524X voltage regulator chips. TPS6524X
provides three step-down converters and two general-purpose LDO
voltage regulators. This device is interfaced using a customized
serial interface currently supported on the sequencer serial
port controller.
config REGULATOR_TPS65910
tristate "TI TPS65910 Power Regulator"
depends on MFD_TPS65910
help
This driver supports TPS65910 voltage regulator chips.
config REGULATOR_AAT2870
tristate "AnalogicTech AAT2870 Regulators"
depends on MFD_AAT2870_CORE
help
If you have a AnalogicTech AAT2870 say Y to enable the
regulator driver.
endif

48
drivers/regulator/Makefile
View File

@ -10,43 +10,49 @@ obj-$(CONFIG_REGULATOR_VIRTUAL_CONSUMER) += virtual.o
obj-$(CONFIG_REGULATOR_USERSPACE_CONSUMER) += userspace-consumer.o
obj-$(CONFIG_REGULATOR_GPIO) += gpio-regulator.o
obj-$(CONFIG_REGULATOR_88PM8607) += 88pm8607.o
obj-$(CONFIG_REGULATOR_AAT2870) += aat2870-regulator.o
obj-$(CONFIG_REGULATOR_AB3100) += ab3100.o
obj-$(CONFIG_REGULATOR_AB8500) += ab8500.o
obj-$(CONFIG_REGULATOR_AD5398) += ad5398.o
obj-$(CONFIG_REGULATOR_ANATOP) += anatop-regulator.o
obj-$(CONFIG_REGULATOR_BQ24022) += bq24022.o
obj-$(CONFIG_REGULATOR_DA903X) += da903x.o
obj-$(CONFIG_REGULATOR_DA9052) += da9052-regulator.o
obj-$(CONFIG_REGULATOR_DBX500_PRCMU) += dbx500-prcmu.o
obj-$(CONFIG_REGULATOR_DB8500_PRCMU) += db8500-prcmu.o
obj-$(CONFIG_REGULATOR_ISL6271A) += isl6271a-regulator.o
obj-$(CONFIG_REGULATOR_LP3971) += lp3971.o
obj-$(CONFIG_REGULATOR_LP3972) += lp3972.o
obj-$(CONFIG_REGULATOR_MAX1586) += max1586.o
obj-$(CONFIG_REGULATOR_TWL4030) += twl-regulator.o
obj-$(CONFIG_REGULATOR_MAX8649) += max8649.o
obj-$(CONFIG_REGULATOR_MAX8660) += max8660.o
obj-$(CONFIG_REGULATOR_MAX8925) += max8925-regulator.o
obj-$(CONFIG_REGULATOR_MAX8952) += max8952.o
obj-$(CONFIG_REGULATOR_MAX8997) += max8997.o
obj-$(CONFIG_REGULATOR_MAX8998) += max8998.o
obj-$(CONFIG_REGULATOR_MC13783) += mc13783-regulator.o
obj-$(CONFIG_REGULATOR_MC13892) += mc13892-regulator.o
obj-$(CONFIG_REGULATOR_MC13XXX_CORE) += mc13xxx-regulator-core.o
obj-$(CONFIG_REGULATOR_PCAP) += pcap-regulator.o
obj-$(CONFIG_REGULATOR_PCF50633) += pcf50633-regulator.o
obj-$(CONFIG_REGULATOR_S5M8767) += s5m8767.o
obj-$(CONFIG_REGULATOR_TPS6105X) += tps6105x-regulator.o
obj-$(CONFIG_REGULATOR_TPS62360) += tps62360-regulator.o
obj-$(CONFIG_REGULATOR_TPS65023) += tps65023-regulator.o
obj-$(CONFIG_REGULATOR_TPS6507X) += tps6507x-regulator.o
obj-$(CONFIG_REGULATOR_TPS65217) += tps65217-regulator.o
obj-$(CONFIG_REGULATOR_TPS6524X) += tps6524x-regulator.o
obj-$(CONFIG_REGULATOR_TPS6586X) += tps6586x-regulator.o
obj-$(CONFIG_REGULATOR_TPS65910) += tps65910-regulator.o
obj-$(CONFIG_REGULATOR_TPS65912) += tps65912-regulator.o
obj-$(CONFIG_REGULATOR_TWL4030) += twl-regulator.o
obj-$(CONFIG_REGULATOR_WM831X) += wm831x-dcdc.o
obj-$(CONFIG_REGULATOR_WM831X) += wm831x-isink.o
obj-$(CONFIG_REGULATOR_WM831X) += wm831x-ldo.o
obj-$(CONFIG_REGULATOR_WM8350) += wm8350-regulator.o
obj-$(CONFIG_REGULATOR_WM8400) += wm8400-regulator.o
obj-$(CONFIG_REGULATOR_WM8994) += wm8994-regulator.o
obj-$(CONFIG_REGULATOR_TPS6586X) += tps6586x-regulator.o
obj-$(CONFIG_REGULATOR_DA903X) += da903x.o
obj-$(CONFIG_REGULATOR_DA9052) += da9052-regulator.o
obj-$(CONFIG_REGULATOR_PCF50633) += pcf50633-regulator.o
obj-$(CONFIG_REGULATOR_PCAP) += pcap-regulator.o
obj-$(CONFIG_REGULATOR_MC13783) += mc13783-regulator.o
obj-$(CONFIG_REGULATOR_MC13892) += mc13892-regulator.o
obj-$(CONFIG_REGULATOR_MC13XXX_CORE) += mc13xxx-regulator-core.o
obj-$(CONFIG_REGULATOR_AB3100) += ab3100.o
obj-$(CONFIG_REGULATOR_TPS6105X) += tps6105x-regulator.o
obj-$(CONFIG_REGULATOR_TPS65023) += tps65023-regulator.o
obj-$(CONFIG_REGULATOR_TPS6507X) += tps6507x-regulator.o
obj-$(CONFIG_REGULATOR_TPS6524X) += tps6524x-regulator.o
obj-$(CONFIG_REGULATOR_TPS65912) += tps65912-regulator.o
obj-$(CONFIG_REGULATOR_88PM8607) += 88pm8607.o
obj-$(CONFIG_REGULATOR_ISL6271A) += isl6271a-regulator.o
obj-$(CONFIG_REGULATOR_AB8500) += ab8500.o
obj-$(CONFIG_REGULATOR_DB8500_PRCMU) += db8500-prcmu.o
obj-$(CONFIG_REGULATOR_TPS65910) += tps65910-regulator.o
obj-$(CONFIG_REGULATOR_AAT2870) += aat2870-regulator.o
ccflags-$(CONFIG_REGULATOR_DEBUG) += -DDEBUG

14
drivers/regulator/aat2870-regulator.c
View File

@ -31,7 +31,7 @@
#include <linux/mfd/aat2870.h>
struct aat2870_regulator {
struct platform_device *pdev;
struct aat2870_data *aat2870;
struct regulator_desc desc;
const int *voltages; /* uV */
@ -60,7 +60,7 @@ static int aat2870_ldo_set_voltage_sel(struct regulator_dev *rdev,
unsigned selector)
{
struct aat2870_regulator *ri = rdev_get_drvdata(rdev);
struct aat2870_data *aat2870 = dev_get_drvdata(ri->pdev->dev.parent);
struct aat2870_data *aat2870 = ri->aat2870;
return aat2870->update(aat2870, ri->voltage_addr, ri->voltage_mask,
selector << ri->voltage_shift);
@ -69,7 +69,7 @@ static int aat2870_ldo_set_voltage_sel(struct regulator_dev *rdev,
static int aat2870_ldo_get_voltage_sel(struct regulator_dev *rdev)
{
struct aat2870_regulator *ri = rdev_get_drvdata(rdev);
struct aat2870_data *aat2870 = dev_get_drvdata(ri->pdev->dev.parent);
struct aat2870_data *aat2870 = ri->aat2870;
u8 val;
int ret;
@ -83,7 +83,7 @@ static int aat2870_ldo_get_voltage_sel(struct regulator_dev *rdev)
static int aat2870_ldo_enable(struct regulator_dev *rdev)
{
struct aat2870_regulator *ri = rdev_get_drvdata(rdev);
struct aat2870_data *aat2870 = dev_get_drvdata(ri->pdev->dev.parent);
struct aat2870_data *aat2870 = ri->aat2870;
return aat2870->update(aat2870, ri->enable_addr, ri->enable_mask,
ri->enable_mask);
@ -92,7 +92,7 @@ static int aat2870_ldo_enable(struct regulator_dev *rdev)
static int aat2870_ldo_disable(struct regulator_dev *rdev)
{
struct aat2870_regulator *ri = rdev_get_drvdata(rdev);
struct aat2870_data *aat2870 = dev_get_drvdata(ri->pdev->dev.parent);
struct aat2870_data *aat2870 = ri->aat2870;
return aat2870->update(aat2870, ri->enable_addr, ri->enable_mask, 0);
}
@ -100,7 +100,7 @@ static int aat2870_ldo_disable(struct regulator_dev *rdev)
static int aat2870_ldo_is_enabled(struct regulator_dev *rdev)
{
struct aat2870_regulator *ri = rdev_get_drvdata(rdev);
struct aat2870_data *aat2870 = dev_get_drvdata(ri->pdev->dev.parent);
struct aat2870_data *aat2870 = ri->aat2870;
u8 val;
int ret;
@ -185,7 +185,7 @@ static int aat2870_regulator_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "Invalid device ID, %d\n", pdev->id);
return -EINVAL;
}
ri->pdev = pdev;
ri->aat2870 = dev_get_drvdata(pdev->dev.parent);
rdev = regulator_register(&ri->desc, &pdev->dev,
pdev->dev.platform_data, ri, NULL);

10
drivers/regulator/ab8500.c
View File

@ -201,7 +201,7 @@ static int ab8500_list_voltage(struct regulator_dev *rdev, unsigned selector)
return info->voltages[selector];
}
static int ab8500_regulator_get_voltage(struct regulator_dev *rdev)
static int ab8500_regulator_get_voltage_sel(struct regulator_dev *rdev)
{
int ret, val;
struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
@ -229,11 +229,9 @@ static int ab8500_regulator_get_voltage(struct regulator_dev *rdev)
/* vintcore has a different layout */
val = regval & info->voltage_mask;
if (info->desc.id == AB8500_LDO_INTCORE)
ret = info->voltages[val >> 0x3];
return val >> 0x3;
else
ret = info->voltages[val];
return ret;
return val;
}
static int ab8500_get_best_voltage_index(struct regulator_dev *rdev,
@ -320,7 +318,7 @@ static struct regulator_ops ab8500_regulator_ops = {
.enable = ab8500_regulator_enable,
.disable = ab8500_regulator_disable,
.is_enabled = ab8500_regulator_is_enabled,
.get_voltage = ab8500_regulator_get_voltage,
.get_voltage_sel = ab8500_regulator_get_voltage_sel,
.set_voltage = ab8500_regulator_set_voltage,
.list_voltage = ab8500_list_voltage,
.enable_time = ab8500_regulator_enable_time,

4
drivers/regulator/ad5398.c
View File

@ -94,8 +94,8 @@ static int ad5398_set_current_limit(struct regulator_dev *rdev, int min_uA, int
if (max_uA > chip->max_uA || max_uA < chip->min_uA)
return -EINVAL;
selector = ((min_uA - chip->min_uA) * chip->current_level +
range_uA - 1) / range_uA;
selector = DIV_ROUND_UP((min_uA - chip->min_uA) * chip->current_level,
range_uA);
if (ad5398_calc_current(chip, selector) > max_uA)
return -EINVAL;

241
drivers/regulator/anatop-regulator.c Normal file
View File

@ -0,0 +1,241 @@
/*
* Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <linux/slab.h>
#include <linux/device.h>
#include <linux/module.h>
#include <linux/err.h>
#include <linux/io.h>
#include <linux/platform_device.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/mfd/anatop.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/of_regulator.h>
struct anatop_regulator {
const char *name;
u32 control_reg;
struct anatop *mfd;
int vol_bit_shift;
int vol_bit_width;
int min_bit_val;
int min_voltage;
int max_voltage;
struct regulator_desc rdesc;
struct regulator_init_data *initdata;
};
static int anatop_set_voltage(struct regulator_dev *reg, int min_uV,
int max_uV, unsigned *selector)
{
struct anatop_regulator *anatop_reg = rdev_get_drvdata(reg);
u32 val, sel;
int uv;
uv = min_uV;
dev_dbg(&reg->dev, "%s: uv %d, min %d, max %d\n", __func__,
uv, anatop_reg->min_voltage,
anatop_reg->max_voltage);
if (uv < anatop_reg->min_voltage) {
if (max_uV > anatop_reg->min_voltage)
uv = anatop_reg->min_voltage;
else
return -EINVAL;
}
if (!anatop_reg->control_reg)
return -ENOTSUPP;
sel = DIV_ROUND_UP(uv - anatop_reg->min_voltage, 25000);
if (sel * 25000 + anatop_reg->min_voltage > anatop_reg->max_voltage)
return -EINVAL;
val = anatop_reg->min_bit_val + sel;
*selector = sel;
dev_dbg(&reg->dev, "%s: calculated val %d\n", __func__, val);
anatop_set_bits(anatop_reg->mfd,
anatop_reg->control_reg,
anatop_reg->vol_bit_shift,
anatop_reg->vol_bit_width,
val);
return 0;
}
static int anatop_get_voltage_sel(struct regulator_dev *reg)
{
struct anatop_regulator *anatop_reg = rdev_get_drvdata(reg);
u32 val;
if (!anatop_reg->control_reg)
return -ENOTSUPP;
val = anatop_get_bits(anatop_reg->mfd,
anatop_reg->control_reg,
anatop_reg->vol_bit_shift,
anatop_reg->vol_bit_width);
return val - anatop_reg->min_bit_val;
}
static int anatop_list_voltage(struct regulator_dev *reg, unsigned selector)
{
struct anatop_regulator *anatop_reg = rdev_get_drvdata(reg);
int uv;
uv = anatop_reg->min_voltage + selector * 25000;
dev_dbg(&reg->dev, "vddio = %d, selector = %u\n", uv, selector);
return uv;
}
static struct regulator_ops anatop_rops = {
.set_voltage = anatop_set_voltage,
.get_voltage_sel = anatop_get_voltage_sel,
.list_voltage = anatop_list_voltage,
};
static int __devinit anatop_regulator_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct device_node *np = dev->of_node;
struct regulator_desc *rdesc;
struct regulator_dev *rdev;
struct anatop_regulator *sreg;
struct regulator_init_data *initdata;
struct anatop *anatopmfd = dev_get_drvdata(pdev->dev.parent);
int ret = 0;
initdata = of_get_regulator_init_data(dev, np);
sreg = devm_kzalloc(dev, sizeof(*sreg), GFP_KERNEL);
if (!sreg)
return -ENOMEM;
sreg->initdata = initdata;
sreg->name = kstrdup(of_get_property(np, "regulator-name", NULL),
GFP_KERNEL);
rdesc = &sreg->rdesc;
memset(rdesc, 0, sizeof(*rdesc));
rdesc->name = sreg->name;
rdesc->ops = &anatop_rops;
rdesc->type = REGULATOR_VOLTAGE;
rdesc->owner = THIS_MODULE;
sreg->mfd = anatopmfd;
ret = of_property_read_u32(np, "reg", &sreg->control_reg);
if (ret) {
dev_err(dev, "no reg property set\n");
goto anatop_probe_end;
}
ret = of_property_read_u32(np, "anatop-vol-bit-width",
&sreg->vol_bit_width);
if (ret) {
dev_err(dev, "no anatop-vol-bit-width property set\n");
goto anatop_probe_end;
}
ret = of_property_read_u32(np, "anatop-vol-bit-shift",
&sreg->vol_bit_shift);
if (ret) {
dev_err(dev, "no anatop-vol-bit-shift property set\n");
goto anatop_probe_end;
}
ret = of_property_read_u32(np, "anatop-min-bit-val",
&sreg->min_bit_val);
if (ret) {
dev_err(dev, "no anatop-min-bit-val property set\n");
goto anatop_probe_end;
}
ret = of_property_read_u32(np, "anatop-min-voltage",
&sreg->min_voltage);
if (ret) {
dev_err(dev, "no anatop-min-voltage property set\n");
goto anatop_probe_end;
}
ret = of_property_read_u32(np, "anatop-max-voltage",
&sreg->max_voltage);
if (ret) {
dev_err(dev, "no anatop-max-voltage property set\n");
goto anatop_probe_end;
}
rdesc->n_voltages = (sreg->max_voltage - sreg->min_voltage)
/ 25000 + 1;
/* register regulator */
rdev = regulator_register(rdesc, dev,
initdata, sreg, pdev->dev.of_node);
if (IS_ERR(rdev)) {
dev_err(dev, "failed to register %s\n",
rdesc->name);
ret = PTR_ERR(rdev);
goto anatop_probe_end;
}
platform_set_drvdata(pdev, rdev);
anatop_probe_end:
if (ret)
kfree(sreg->name);
return ret;
}
static int __devexit anatop_regulator_remove(struct platform_device *pdev)
{
struct regulator_dev *rdev = platform_get_drvdata(pdev);
struct anatop_regulator *sreg = rdev_get_drvdata(rdev);
const char *name = sreg->name;
regulator_unregister(rdev);
kfree(name);
return 0;
}
static struct of_device_id __devinitdata of_anatop_regulator_match_tbl[] = {
{ .compatible = "fsl,anatop-regulator", },
{ /* end */ }
};
static struct platform_driver anatop_regulator = {
.driver = {
.name = "anatop_regulator",
.owner = THIS_MODULE,
.of_match_table = of_anatop_regulator_match_tbl,
},
.probe = anatop_regulator_probe,
.remove = anatop_regulator_remove,
};
static int __init anatop_regulator_init(void)
{
return platform_driver_register(&anatop_regulator);
}
postcore_initcall(anatop_regulator_init);
static void __exit anatop_regulator_exit(void)
{
platform_driver_unregister(&anatop_regulator);
}
module_exit(anatop_regulator_exit);
MODULE_AUTHOR("Nancy Chen <Nancy.Chen@freescale.com>, "
"Ying-Chun Liu (PaulLiu) <paul.liu@linaro.org>");
MODULE_DESCRIPTION("ANATOP Regulator driver");
MODULE_LICENSE("GPL v2");

12
drivers/regulator/da903x.c
View File

@ -119,7 +119,7 @@ static int da903x_set_ldo_voltage(struct regulator_dev *rdev,
return -EINVAL;
}
val = (min_uV - info->min_uV + info->step_uV - 1) / info->step_uV;
val = DIV_ROUND_UP(min_uV - info->min_uV, info->step_uV);
*selector = val;
val <<= info->vol_shift;
mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
@ -202,7 +202,7 @@ static int da9030_set_ldo1_15_voltage(struct regulator_dev *rdev,
return -EINVAL;
}
val = (min_uV - info->min_uV + info->step_uV - 1) / info->step_uV;
val = DIV_ROUND_UP(min_uV - info->min_uV, info->step_uV);
*selector = val;
val <<= info->vol_shift;
mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
@ -233,10 +233,10 @@ static int da9030_set_ldo14_voltage(struct regulator_dev *rdev,
thresh = (info->max_uV + info->min_uV) / 2;
if (min_uV < thresh) {
val = (thresh - min_uV + info->step_uV - 1) / info->step_uV;
val = DIV_ROUND_UP(thresh - min_uV, info->step_uV);
val |= 0x4;
} else {
val = (min_uV - thresh + info->step_uV - 1) / info->step_uV;
val = DIV_ROUND_UP(min_uV - thresh, info->step_uV);
}
*selector = val;
@ -281,7 +281,7 @@ static int da9034_set_dvc_voltage(struct regulator_dev *rdev,
return -EINVAL;
}
val = (min_uV - info->min_uV + info->step_uV - 1) / info->step_uV;
val = DIV_ROUND_UP(min_uV - info->min_uV, info->step_uV);
*selector = val;
val <<= info->vol_shift;
mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
@ -307,7 +307,7 @@ static int da9034_set_ldo12_voltage(struct regulator_dev *rdev,
return -EINVAL;
}
val = (min_uV - info->min_uV + info->step_uV - 1) / info->step_uV;
val = DIV_ROUND_UP(min_uV - info->min_uV, info->step_uV);
val = (val >= 20) ? val - 12 : ((val > 7) ? 8 : val);
*selector = val;
val <<= info->vol_shift;

118
drivers/regulator/db8500-prcmu.c
View File

@ -18,74 +18,11 @@
#include <linux/regulator/machine.h>
#include <linux/regulator/db8500-prcmu.h>
#include <linux/module.h>
/*
* power state reference count
*/
static int power_state_active_cnt; /* will initialize to zero */
static DEFINE_SPINLOCK(power_state_active_lock);
static void power_state_active_enable(void)
{
unsigned long flags;
spin_lock_irqsave(&power_state_active_lock, flags);
power_state_active_cnt++;
spin_unlock_irqrestore(&power_state_active_lock, flags);
}
static int power_state_active_disable(void)
{
int ret = 0;
unsigned long flags;
spin_lock_irqsave(&power_state_active_lock, flags);
if (power_state_active_cnt <= 0) {
pr_err("power state: unbalanced enable/disable calls\n");
ret = -EINVAL;
goto out;
}
power_state_active_cnt--;
out:
spin_unlock_irqrestore(&power_state_active_lock, flags);
return ret;
}
/*
* Exported interface for CPUIdle only. This function is called when interrupts
* are turned off. Hence, no locking.
*/
int power_state_active_is_enabled(void)
{
return (power_state_active_cnt > 0);
}
/**
* struct db8500_regulator_info - db8500 regulator information
* @dev: device pointer
* @desc: regulator description
* @rdev: regulator device pointer
* @is_enabled: status of the regulator
* @epod_id: id for EPOD (power domain)
* @is_ramret: RAM retention switch for EPOD (power domain)
* @operating_point: operating point (only for vape, to be removed)
*
*/
struct db8500_regulator_info {
struct device *dev;
struct regulator_desc desc;
struct regulator_dev *rdev;
bool is_enabled;
u16 epod_id;
bool is_ramret;
bool exclude_from_power_state;
unsigned int operating_point;
};
#include "dbx500-prcmu.h"
static int db8500_regulator_enable(struct regulator_dev *rdev)
{
struct db8500_regulator_info *info = rdev_get_drvdata(rdev);
struct dbx500_regulator_info *info = rdev_get_drvdata(rdev);
if (info == NULL)
return -EINVAL;
@ -93,16 +30,18 @@ static int db8500_regulator_enable(struct regulator_dev *rdev)
dev_vdbg(rdev_get_dev(rdev), "regulator-%s-enable\n",
info->desc.name);
info->is_enabled = true;
if (!info->exclude_from_power_state)
power_state_active_enable();
if (!info->is_enabled) {
info->is_enabled = true;
if (!info->exclude_from_power_state)
power_state_active_enable();
}
return 0;
}
static int db8500_regulator_disable(struct regulator_dev *rdev)
{
struct db8500_regulator_info *info = rdev_get_drvdata(rdev);
struct dbx500_regulator_info *info = rdev_get_drvdata(rdev);
int ret = 0;
if (info == NULL)
@ -111,16 +50,18 @@ static int db8500_regulator_disable(struct regulator_dev *rdev)
dev_vdbg(rdev_get_dev(rdev), "regulator-%s-disable\n",
info->desc.name);
info->is_enabled = false;
if (!info->exclude_from_power_state)
ret = power_state_active_disable();
if (info->is_enabled) {
info->is_enabled = false;
if (!info->exclude_from_power_state)
ret = power_state_active_disable();
}
return ret;
}
static int db8500_regulator_is_enabled(struct regulator_dev *rdev)
{
struct db8500_regulator_info *info = rdev_get_drvdata(rdev);
struct dbx500_regulator_info *info = rdev_get_drvdata(rdev);
if (info == NULL)
return -EINVAL;
@ -197,7 +138,7 @@ static int disable_epod(u16 epod_id, bool ramret)
*/
static int db8500_regulator_switch_enable(struct regulator_dev *rdev)
{
struct db8500_regulator_info *info = rdev_get_drvdata(rdev);
struct dbx500_regulator_info *info = rdev_get_drvdata(rdev);
int ret;
if (info == NULL)
@ -221,7 +162,7 @@ out:
static int db8500_regulator_switch_disable(struct regulator_dev *rdev)
{
struct db8500_regulator_info *info = rdev_get_drvdata(rdev);
struct dbx500_regulator_info *info = rdev_get_drvdata(rdev);
int ret;
if (info == NULL)
@ -245,7 +186,7 @@ out:
static int db8500_regulator_switch_is_enabled(struct regulator_dev *rdev)
{
struct db8500_regulator_info *info = rdev_get_drvdata(rdev);
struct dbx500_regulator_info *info = rdev_get_drvdata(rdev);
if (info == NULL)
return -EINVAL;
@ -266,8 +207,8 @@ static struct regulator_ops db8500_regulator_switch_ops = {
/*
* Regulator information
*/
static struct db8500_regulator_info
db8500_regulator_info[DB8500_NUM_REGULATORS] = {
static struct dbx500_regulator_info
dbx500_regulator_info[DB8500_NUM_REGULATORS] = {
[DB8500_REGULATOR_VAPE] = {
.desc = {
.name = "db8500-vape",
@ -476,12 +417,12 @@ static int __devinit db8500_regulator_probe(struct platform_device *pdev)
int i, err;
/* register all regulators */
for (i = 0; i < ARRAY_SIZE(db8500_regulator_info); i++) {
struct db8500_regulator_info *info;
for (i = 0; i < ARRAY_SIZE(dbx500_regulator_info); i++) {
struct dbx500_regulator_info *info;
struct regulator_init_data *init_data = &db8500_init_data[i];
/* assign per-regulator data */
info = &db8500_regulator_info[i];
info = &dbx500_regulator_info[i];
info->dev = &pdev->dev;
/* register with the regulator framework */
@ -494,7 +435,7 @@ static int __devinit db8500_regulator_probe(struct platform_device *pdev)
/* if failing, unregister all earlier regulators */
while (--i >= 0) {
info = &db8500_regulator_info[i];
info = &dbx500_regulator_info[i];
regulator_unregister(info->rdev);
}
return err;
@ -503,17 +444,22 @@ static int __devinit db8500_regulator_probe(struct platform_device *pdev)
dev_dbg(rdev_get_dev(info->rdev),
"regulator-%s-probed\n", info->desc.name);
}
err = ux500_regulator_debug_init(pdev,
dbx500_regulator_info,
ARRAY_SIZE(dbx500_regulator_info));
return 0;
return err;
}
static int __exit db8500_regulator_remove(struct platform_device *pdev)
{
int i;
for (i = 0; i < ARRAY_SIZE(db8500_regulator_info); i++) {
struct db8500_regulator_info *info;
info = &db8500_regulator_info[i];
ux500_regulator_debug_exit();
for (i = 0; i < ARRAY_SIZE(dbx500_regulator_info); i++) {
struct dbx500_regulator_info *info;
info = &dbx500_regulator_info[i];
dev_vdbg(rdev_get_dev(info->rdev),
"regulator-%s-remove\n", info->desc.name);

241
drivers/regulator/dbx500-prcmu.c Normal file
View File

@ -0,0 +1,241 @@
/*
* Copyright (C) ST-Ericsson SA 2010
*
* License Terms: GNU General Public License v2
* Authors: Sundar Iyer <sundar.iyer@stericsson.com> for ST-Ericsson
* Bengt Jonsson <bengt.g.jonsson@stericsson.com> for ST-Ericsson
*
* UX500 common part of Power domain regulators
*/
#include <linux/kernel.h>
#include <linux/err.h>
#include <linux/regulator/driver.h>
#include <linux/debugfs.h>
#include <linux/seq_file.h>
#include <linux/slab.h>
#include "dbx500-prcmu.h"
/*
* power state reference count
*/
static int power_state_active_cnt; /* will initialize to zero */
static DEFINE_SPINLOCK(power_state_active_lock);
int power_state_active_get(void)
{
unsigned long flags;
int cnt;
spin_lock_irqsave(&power_state_active_lock, flags);
cnt = power_state_active_cnt;
spin_unlock_irqrestore(&power_state_active_lock, flags);
return cnt;
}
void power_state_active_enable(void)
{
unsigned long flags;
spin_lock_irqsave(&power_state_active_lock, flags);
power_state_active_cnt++;
spin_unlock_irqrestore(&power_state_active_lock, flags);
}
int power_state_active_disable(void)
{
int ret = 0;
unsigned long flags;
spin_lock_irqsave(&power_state_active_lock, flags);
if (power_state_active_cnt <= 0) {
pr_err("power state: unbalanced enable/disable calls\n");
ret = -EINVAL;
goto out;
}
power_state_active_cnt--;
out:
spin_unlock_irqrestore(&power_state_active_lock, flags);
return ret;
}
#ifdef CONFIG_REGULATOR_DEBUG
static struct ux500_regulator_debug {
struct dentry *dir;
struct dentry *status_file;
struct dentry *power_state_cnt_file;
struct dbx500_regulator_info *regulator_array;
int num_regulators;
u8 *state_before_suspend;
u8 *state_after_suspend;
} rdebug;
void ux500_regulator_suspend_debug(void)
{
int i;
for (i = 0; i < rdebug.num_regulators; i++)
rdebug.state_before_suspend[i] =
rdebug.regulator_array[i].is_enabled;
}
void ux500_regulator_resume_debug(void)
{
int i;
for (i = 0; i < rdebug.num_regulators; i++)
rdebug.state_after_suspend[i] =
rdebug.regulator_array[i].is_enabled;
}
static int ux500_regulator_power_state_cnt_print(struct seq_file *s, void *p)
{
struct device *dev = s->private;
int err;
/* print power state count */
err = seq_printf(s, "ux500-regulator power state count: %i\n",
power_state_active_get());
if (err < 0)
dev_err(dev, "seq_printf overflow\n");
return 0;
}
static int ux500_regulator_power_state_cnt_open(struct inode *inode,
struct file *file)
{
return single_open(file, ux500_regulator_power_state_cnt_print,
inode->i_private);
}
static const struct file_operations ux500_regulator_power_state_cnt_fops = {
.open = ux500_regulator_power_state_cnt_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
.owner = THIS_MODULE,
};
static int ux500_regulator_status_print(struct seq_file *s, void *p)
{
struct device *dev = s->private;
int err;
int i;
/* print dump header */
err = seq_printf(s, "ux500-regulator status:\n");
if (err < 0)
dev_err(dev, "seq_printf overflow\n");
err = seq_printf(s, "%31s : %8s : %8s\n", "current",
"before", "after");
if (err < 0)
dev_err(dev, "seq_printf overflow\n");
for (i = 0; i < rdebug.num_regulators; i++) {
struct dbx500_regulator_info *info;
/* Access per-regulator data */
info = &rdebug.regulator_array[i];
/* print status */
err = seq_printf(s, "%20s : %8s : %8s : %8s\n", info->desc.name,
info->is_enabled ? "enabled" : "disabled",
rdebug.state_before_suspend[i] ? "enabled" : "disabled",
rdebug.state_after_suspend[i] ? "enabled" : "disabled");
if (err < 0)
dev_err(dev, "seq_printf overflow\n");
}
return 0;
}
static int ux500_regulator_status_open(struct inode *inode, struct file *file)
{
return single_open(file, ux500_regulator_status_print,
inode->i_private);
}
static const struct file_operations ux500_regulator_status_fops = {
.open = ux500_regulator_status_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
.owner = THIS_MODULE,
};
int __attribute__((weak)) dbx500_regulator_testcase(
struct dbx500_regulator_info *regulator_info,
int num_regulators)
{
return 0;
}
int __devinit
ux500_regulator_debug_init(struct platform_device *pdev,
struct dbx500_regulator_info *regulator_info,
int num_regulators)
{
/* create directory */
rdebug.dir = debugfs_create_dir("ux500-regulator", NULL);
if (!rdebug.dir)
goto exit_no_debugfs;
/* create "status" file */
rdebug.status_file = debugfs_create_file("status",
S_IRUGO, rdebug.dir, &pdev->dev,
&ux500_regulator_status_fops);
if (!rdebug.status_file)
goto exit_destroy_dir;
/* create "power-state-count" file */
rdebug.power_state_cnt_file = debugfs_create_file("power-state-count",
S_IRUGO, rdebug.dir, &pdev->dev,
&ux500_regulator_power_state_cnt_fops);
if (!rdebug.power_state_cnt_file)
goto exit_destroy_status;
rdebug.regulator_array = regulator_info;
rdebug.num_regulators = num_regulators;
rdebug.state_before_suspend = kzalloc(num_regulators, GFP_KERNEL);
if (!rdebug.state_before_suspend) {
dev_err(&pdev->dev,
"could not allocate memory for saving state\n");
goto exit_destroy_power_state;
}
rdebug.state_after_suspend = kzalloc(num_regulators, GFP_KERNEL);
if (!rdebug.state_after_suspend) {
dev_err(&pdev->dev,
"could not allocate memory for saving state\n");
goto exit_free;
}
dbx500_regulator_testcase(regulator_info, num_regulators);
return 0;
exit_free:
kfree(rdebug.state_before_suspend);
exit_destroy_power_state:
debugfs_remove(rdebug.power_state_cnt_file);
exit_destroy_status:
debugfs_remove(rdebug.status_file);
exit_destroy_dir:
debugfs_remove(rdebug.dir);
exit_no_debugfs:
dev_err(&pdev->dev, "failed to create debugfs entries.\n");
return -ENOMEM;
}
int __devexit ux500_regulator_debug_exit(void)
{
debugfs_remove_recursive(rdebug.dir);
kfree(rdebug.state_after_suspend);
kfree(rdebug.state_before_suspend);
return 0;
}
#endif

63
drivers/regulator/dbx500-prcmu.h Normal file
View File

@ -0,0 +1,63 @@
/*
* Copyright (C) ST-Ericsson SA 2010
*
* Author: Bengt Jonsson <bengt.jonsson@stericsson.com> for ST-Ericsson,
* Jonas Aaberg <jonas.aberg@stericsson.com> for ST-Ericsson
*
* License Terms: GNU General Public License v2
*
*/
#ifndef DBX500_REGULATOR_H
#define DBX500_REGULATOR_H
#include <linux/platform_device.h>
/**
* struct dbx500_regulator_info - dbx500 regulator information
* @dev: device pointer
* @desc: regulator description
* @rdev: regulator device pointer
* @is_enabled: status of the regulator
* @epod_id: id for EPOD (power domain)
* @is_ramret: RAM retention switch for EPOD (power domain)
* @operating_point: operating point (only for vape, to be removed)
*
*/
struct dbx500_regulator_info {
struct device *dev;
struct regulator_desc desc;
struct regulator_dev *rdev;
bool is_enabled;
u16 epod_id;
bool is_ramret;
bool exclude_from_power_state;
unsigned int operating_point;
};
void power_state_active_enable(void);
int power_state_active_disable(void);
#ifdef CONFIG_REGULATOR_DEBUG
int ux500_regulator_debug_init(struct platform_device *pdev,
struct dbx500_regulator_info *regulator_info,
int num_regulators);
int ux500_regulator_debug_exit(void);
#else
static inline int ux500_regulator_debug_init(struct platform_device *pdev,
struct dbx500_regulator_info *regulator_info,
int num_regulators)
{
return 0;
}
static inline int ux500_regulator_debug_exit(void)
{
return 0;
}
#endif
#endif

4
drivers/regulator/fixed.c
View File

@ -192,7 +192,9 @@ static int __devinit reg_fixed_voltage_probe(struct platform_device *pdev)
drvdata->desc.type = REGULATOR_VOLTAGE;
drvdata->desc.owner = THIS_MODULE;
drvdata->desc.ops = &fixed_voltage_ops;
drvdata->desc.n_voltages = 1;
if (config->microvolts)
drvdata->desc.n_voltages = 1;
drvdata->microvolts = config->microvolts;
drvdata->gpio = config->gpio;

14
drivers/regulator/isl6271a-regulator.c
View File

@ -63,23 +63,15 @@ static int isl6271a_set_voltage(struct regulator_dev *dev,
unsigned *selector)
{
struct isl_pmic *pmic = rdev_get_drvdata(dev);
int vsel, err, data;
int err, data;
if (minuV < ISL6271A_VOLTAGE_MIN || minuV > ISL6271A_VOLTAGE_MAX)
return -EINVAL;
if (maxuV < ISL6271A_VOLTAGE_MIN || maxuV > ISL6271A_VOLTAGE_MAX)
return -EINVAL;
/* Align to 50000 mV */
vsel = minuV - (minuV % ISL6271A_VOLTAGE_STEP);
/* If the result fell out of [minuV,maxuV] range, put it back */
if (vsel < minuV)
vsel += ISL6271A_VOLTAGE_STEP;
/* Convert the microvolts to data for the chip */
data = (vsel - ISL6271A_VOLTAGE_MIN) / ISL6271A_VOLTAGE_STEP;
data = DIV_ROUND_UP(minuV - ISL6271A_VOLTAGE_MIN,
ISL6271A_VOLTAGE_STEP);
*selector = data;
mutex_lock(&pmic->mtx);

4
drivers/regulator/max1586.c
View File

@ -76,8 +76,8 @@ static int max1586_v3_set(struct regulator_dev *rdev, int min_uV, int max_uV,
if (min_uV < max1586->min_uV)
min_uV = max1586->min_uV;
*selector = ((min_uV - max1586->min_uV) * MAX1586_V3_MAX_VSEL +
range_uV - 1) / range_uV;
*selector = DIV_ROUND_UP((min_uV - max1586->min_uV) *
MAX1586_V3_MAX_VSEL, range_uV);
if (max1586_v3_calc_voltage(max1586, *selector) > max_uV)
return -EINVAL;

5
drivers/regulator/max8649.c
View File

@ -101,8 +101,7 @@ static int max8649_set_voltage(struct regulator_dev *rdev,
min_uV, max_uV);
return -EINVAL;
}
data = (min_uV - MAX8649_DCDC_VMIN + MAX8649_DCDC_STEP - 1)
/ MAX8649_DCDC_STEP;
data = DIV_ROUND_UP(min_uV - MAX8649_DCDC_VMIN, MAX8649_DCDC_STEP);
mask = MAX8649_VOL_MASK;
*selector = data & mask;
@ -270,7 +269,7 @@ static int __devinit max8649_regulator_probe(struct i2c_client *client,
ret);
goto out;
}
dev_info(info->dev, "Detected MAX8649 (ID:%x)\n", ret);
dev_info(info->dev, "Detected MAX8649 (ID:%x)\n", val);
/* enable VID0 & VID1 */
regmap_update_bits(info->regmap, MAX8649_CONTROL, MAX8649_VID_MASK, 0);

16
drivers/regulator/max8660.c
View File

@ -153,14 +153,15 @@ static int max8660_dcdc_set(struct regulator_dev *rdev, int min_uV, int max_uV,
if (max_uV < MAX8660_DCDC_MIN_UV || max_uV > MAX8660_DCDC_MAX_UV)
return -EINVAL;
selector = (min_uV - (MAX8660_DCDC_MIN_UV - MAX8660_DCDC_STEP + 1))
/ MAX8660_DCDC_STEP;
*s = selector;
selector = DIV_ROUND_UP(min_uV - MAX8660_DCDC_MIN_UV,
MAX8660_DCDC_STEP);
ret = max8660_dcdc_list(rdev, selector);
if (ret < 0 || ret > max_uV)
return -EINVAL;
*s = selector;
reg = (rdev_get_id(rdev) == MAX8660_V3) ? MAX8660_ADTV2 : MAX8660_SDTV2;
ret = max8660_write(max8660, reg, 0, selector);
if (ret)
@ -210,8 +211,9 @@ static int max8660_ldo5_set(struct regulator_dev *rdev, int min_uV, int max_uV,
if (max_uV < MAX8660_LDO5_MIN_UV || max_uV > MAX8660_LDO5_MAX_UV)
return -EINVAL;
selector = (min_uV - (MAX8660_LDO5_MIN_UV - MAX8660_LDO5_STEP + 1))
/ MAX8660_LDO5_STEP;
selector = DIV_ROUND_UP(min_uV - MAX8660_LDO5_MIN_UV,
MAX8660_LDO5_STEP);
ret = max8660_ldo5_list(rdev, selector);
if (ret < 0 || ret > max_uV)
return -EINVAL;
@ -287,8 +289,8 @@ static int max8660_ldo67_set(struct regulator_dev *rdev, int min_uV,
if (max_uV < MAX8660_LDO67_MIN_UV || max_uV > MAX8660_LDO67_MAX_UV)
return -EINVAL;
selector = (min_uV - (MAX8660_LDO67_MIN_UV - MAX8660_LDO67_STEP + 1))
/ MAX8660_LDO67_STEP;
selector = DIV_ROUND_UP(min_uV - MAX8660_LDO67_MIN_UV,
MAX8660_LDO67_STEP);
ret = max8660_ldo67_list(rdev, selector);
if (ret < 0 || ret > max_uV)

4
drivers/regulator/max8925-regulator.c
View File

@ -73,7 +73,7 @@ static int max8925_set_voltage(struct regulator_dev *rdev,
min_uV, max_uV);
return -EINVAL;
}
data = (min_uV - info->min_uV + info->step_uV - 1) / info->step_uV;
data = DIV_ROUND_UP(min_uV - info->min_uV, info->step_uV);
*selector = data;
data <<= info->vol_shift;
mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
@ -140,7 +140,7 @@ static int max8925_set_dvm_voltage(struct regulator_dev *rdev, int uV)
if (uV < SD1_DVM_VMIN || uV > SD1_DVM_VMAX)
return -EINVAL;
data = (uV - SD1_DVM_VMIN + SD1_DVM_STEP - 1) / SD1_DVM_STEP;
data = DIV_ROUND_UP(uV - SD1_DVM_VMIN, SD1_DVM_STEP);
data <<= SD1_DVM_SHIFT;
mask = 3 << SD1_DVM_SHIFT;

37
drivers/regulator/max8997.c
View File

@ -130,15 +130,10 @@ static const struct voltage_map_desc *reg_voltage_map[] = {
[MAX8997_CHARGER_TOPOFF] = &topoff_current_map_desc,
};
static inline int max8997_get_rid(struct regulator_dev *rdev)
{
return rdev_get_id(rdev);
}
static int max8997_list_voltage_safeout(struct regulator_dev *rdev,
unsigned int selector)
{
int rid = max8997_get_rid(rdev);
int rid = rdev_get_id(rdev);
if (rid == MAX8997_ESAFEOUT1 || rid == MAX8997_ESAFEOUT2) {
switch (selector) {
@ -161,7 +156,7 @@ static int max8997_list_voltage_safeout(struct regulator_dev *rdev,
static int max8997_list_voltage_charger_cv(struct regulator_dev *rdev,
unsigned int selector)
{
int rid = max8997_get_rid(rdev);
int rid = rdev_get_id(rdev);
if (rid != MAX8997_CHARGER_CV)
goto err;
@ -184,7 +179,7 @@ static int max8997_list_voltage(struct regulator_dev *rdev,
unsigned int selector)
{
const struct voltage_map_desc *desc;
int rid = max8997_get_rid(rdev);
int rid = rdev_get_id(rdev);
int val;
if (rid >= ARRAY_SIZE(reg_voltage_map) ||
@ -205,7 +200,7 @@ static int max8997_list_voltage(struct regulator_dev *rdev,
static int max8997_get_enable_register(struct regulator_dev *rdev,
int *reg, int *mask, int *pattern)
{
int rid = max8997_get_rid(rdev);
int rid = rdev_get_id(rdev);
switch (rid) {
case MAX8997_LDO1 ... MAX8997_LDO21:
@ -325,7 +320,7 @@ static int max8997_reg_disable(struct regulator_dev *rdev)
static int max8997_get_voltage_register(struct regulator_dev *rdev,
int *_reg, int *_shift, int *_mask)
{
int rid = max8997_get_rid(rdev);
int rid = rdev_get_id(rdev);
int reg, shift = 0, mask = 0x3f;
switch (rid) {
@ -386,7 +381,7 @@ static int max8997_get_voltage(struct regulator_dev *rdev)
struct max8997_data *max8997 = rdev_get_drvdata(rdev);
struct i2c_client *i2c = max8997->iodev->i2c;
int reg, shift, mask, ret;
int rid = max8997_get_rid(rdev);
int rid = rdev_get_id(rdev);
u8 val;
ret = max8997_get_voltage_register(rdev, &reg, &shift, &mask);
@ -446,7 +441,7 @@ static int max8997_set_voltage_charger_cv(struct regulator_dev *rdev,
{
struct max8997_data *max8997 = rdev_get_drvdata(rdev);
struct i2c_client *i2c = max8997->iodev->i2c;
int rid = max8997_get_rid(rdev);
int rid = rdev_get_id(rdev);
int lb, ub;
int reg, shift = 0, mask, ret = 0;
u8 val = 0x0;
@ -503,7 +498,7 @@ static int max8997_set_voltage_ldobuck(struct regulator_dev *rdev,
struct i2c_client *i2c = max8997->iodev->i2c;
int min_vol = min_uV / 1000, max_vol = max_uV / 1000;
const struct voltage_map_desc *desc;
int rid = max8997_get_rid(rdev);
int rid = rdev_get_id(rdev);
int reg, shift = 0, mask, ret;
int i;
u8 org;
@ -564,7 +559,7 @@ static int max8997_assess_side_effect(struct regulator_dev *rdev,
u8 new_val, int *best)
{
struct max8997_data *max8997 = rdev_get_drvdata(rdev);
int rid = max8997_get_rid(rdev);
int rid = rdev_get_id(rdev);
u8 *buckx_val[3];
bool buckx_gpiodvs[3];
int side_effect[8];
@ -641,7 +636,7 @@ static int max8997_set_voltage_buck(struct regulator_dev *rdev,
int min_uV, int max_uV, unsigned *selector)
{
struct max8997_data *max8997 = rdev_get_drvdata(rdev);
int rid = max8997_get_rid(rdev);
int rid = rdev_get_id(rdev);
const struct voltage_map_desc *desc;
int new_val, new_idx, damage, tmp_val, tmp_idx, tmp_dmg;
bool gpio_dvs_mode = false;
@ -724,7 +719,7 @@ static int max8997_set_voltage_safeout(struct regulator_dev *rdev,
{
struct max8997_data *max8997 = rdev_get_drvdata(rdev);
struct i2c_client *i2c = max8997->iodev->i2c;
int rid = max8997_get_rid(rdev);
int rid = rdev_get_id(rdev);
int reg, shift = 0, mask, ret;
int i = 0;
u8 val;
@ -766,7 +761,7 @@ static int max8997_reg_disable_suspend(struct regulator_dev *rdev)
struct max8997_data *max8997 = rdev_get_drvdata(rdev);
struct i2c_client *i2c = max8997->iodev->i2c;
int ret, reg, mask, pattern;
int rid = max8997_get_rid(rdev);
int rid = rdev_get_id(rdev);
ret = max8997_get_enable_register(rdev, &reg, &mask, &pattern);
if (ret)
@ -908,13 +903,13 @@ static struct regulator_desc regulators[] = {
},
regulator_desc_buck(7),
{
.name = "EN32KHz AP",
.name = "EN32KHz_AP",
.id = MAX8997_EN32KHZ_AP,
.ops = &max8997_fixedvolt_ops,
.type = REGULATOR_VOLTAGE,
.owner = THIS_MODULE,
}, {
.name = "EN32KHz CP",
.name = "EN32KHz_CP",
.id = MAX8997_EN32KHZ_CP,
.ops = &max8997_fixedvolt_ops,
.type = REGULATOR_VOLTAGE,
@ -938,7 +933,7 @@ static struct regulator_desc regulators[] = {
.type = REGULATOR_VOLTAGE,
.owner = THIS_MODULE,
}, {
.name = "CHARGER CV",
.name = "CHARGER_CV",
.id = MAX8997_CHARGER_CV,
.ops = &max8997_fixedstate_ops,
.type = REGULATOR_VOLTAGE,
@ -950,7 +945,7 @@ static struct regulator_desc regulators[] = {
.type = REGULATOR_CURRENT,
.owner = THIS_MODULE,
}, {
.name = "CHARGER TOPOFF",
.name = "CHARGER_TOPOFF",
.id = MAX8997_CHARGER_TOPOFF,
.ops = &max8997_charger_fixedstate_ops,
.type = REGULATOR_CURRENT,

16
drivers/regulator/max8998.c
View File

@ -112,16 +112,11 @@ static const struct voltage_map_desc *ldo_voltage_map[] = {
&buck4_voltage_map_desc, /* BUCK4 */
};
static inline int max8998_get_ldo(struct regulator_dev *rdev)
{
return rdev_get_id(rdev);
}
static int max8998_list_voltage(struct regulator_dev *rdev,
unsigned int selector)
{
const struct voltage_map_desc *desc;
int ldo = max8998_get_ldo(rdev);
int ldo = rdev_get_id(rdev);
int val;
if (ldo >= ARRAY_SIZE(ldo_voltage_map))
@ -141,7 +136,7 @@ static int max8998_list_voltage(struct regulator_dev *rdev,
static int max8998_get_enable_register(struct regulator_dev *rdev,
int *reg, int *shift)
{
int ldo = max8998_get_ldo(rdev);
int ldo = rdev_get_id(rdev);
switch (ldo) {
case MAX8998_LDO2 ... MAX8998_LDO5:
@ -222,7 +217,7 @@ static int max8998_ldo_disable(struct regulator_dev *rdev)
static int max8998_get_voltage_register(struct regulator_dev *rdev,
int *_reg, int *_shift, int *_mask)
{
int ldo = max8998_get_ldo(rdev);
int ldo = rdev_get_id(rdev);
struct max8998_data *max8998 = rdev_get_drvdata(rdev);
int reg, shift = 0, mask = 0xff;
@ -310,7 +305,7 @@ static int max8998_set_voltage_ldo(struct regulator_dev *rdev,
struct i2c_client *i2c = max8998->iodev->i2c;
int min_vol = min_uV / 1000, max_vol = max_uV / 1000;
const struct voltage_map_desc *desc;
int ldo = max8998_get_ldo(rdev);
int ldo = rdev_get_id(rdev);
int reg, shift = 0, mask, ret;
int i = 0;
@ -362,7 +357,7 @@ static int max8998_set_voltage_buck(struct regulator_dev *rdev,
struct i2c_client *i2c = max8998->iodev->i2c;
int min_vol = min_uV / 1000, max_vol = max_uV / 1000;
const struct voltage_map_desc *desc;
int buck = max8998_get_ldo(rdev);
int buck = rdev_get_id(rdev);
int reg, shift = 0, mask, ret;
int difference = 0, i = 0, j = 0, previous_vol = 0;
u8 val = 0;
@ -829,7 +824,6 @@ static __devinit int max8998_pmic_probe(struct platform_device *pdev)
buck12_voltage_map_desc.step*i
< (pdata->buck2_voltage2 / 1000))
i++;
printk(KERN_ERR "i2:%d, buck2_idx:%d\n", i, max8998->buck2_idx);
max8998->buck2_vol[1] = i;
ret = max8998_write_reg(i2c, MAX8998_REG_BUCK2_VOLTAGE2, i);
if (ret)

3
drivers/regulator/mc13783-regulator.c
View File

@ -344,6 +344,9 @@ static int __devinit mc13783_regulator_probe(struct platform_device *pdev)
dev_dbg(&pdev->dev, "%s id %d\n", __func__, pdev->id);
if (!pdata)
return -EINVAL;
priv = devm_kzalloc(&pdev->dev, sizeof(*priv) +
pdata->num_regulators * sizeof(priv->regulators[0]),
GFP_KERNEL);

2
drivers/regulator/mc13xxx-regulator-core.c
View File

@ -254,6 +254,7 @@ int __devinit mc13xxx_get_num_regulators_dt(struct platform_device *pdev)
return num;
}
EXPORT_SYMBOL_GPL(mc13xxx_get_num_regulators_dt);
struct mc13xxx_regulator_init_data * __devinit mc13xxx_parse_regulators_dt(
struct platform_device *pdev, struct mc13xxx_regulator *regulators,
@ -291,6 +292,7 @@ struct mc13xxx_regulator_init_data * __devinit mc13xxx_parse_regulators_dt(
return data;
}
EXPORT_SYMBOL_GPL(mc13xxx_parse_regulators_dt);
#endif
MODULE_LICENSE("GPL v2");

27
drivers/regulator/pcf50633-regulator.c
View File

@ -142,6 +142,7 @@ static int pcf50633_regulator_set_voltage(struct regulator_dev *rdev,
case PCF50633_REGULATOR_LDO5:
case PCF50633_REGULATOR_LDO6:
case PCF50633_REGULATOR_HCLDO:
case PCF50633_REGULATOR_MEMLDO:
volt_bits = ldo_voltage_bits(millivolts);
break;
default:
@ -175,6 +176,7 @@ static int pcf50633_regulator_voltage_value(enum pcf50633_regulator_id id,
case PCF50633_REGULATOR_LDO5:
case PCF50633_REGULATOR_LDO6:
case PCF50633_REGULATOR_HCLDO:
case PCF50633_REGULATOR_MEMLDO:
millivolts = ldo_voltage_value(bits);
break;
default:
@ -217,9 +219,6 @@ static int pcf50633_regulator_list_voltage(struct regulator_dev *rdev,
case PCF50633_REGULATOR_AUTO:
index += 0x2f;
break;
case PCF50633_REGULATOR_HCLDO:
index += 0x01;
break;
default:
break;
}
@ -288,27 +287,27 @@ static struct regulator_ops pcf50633_regulator_ops = {
static struct regulator_desc regulators[] = {
[PCF50633_REGULATOR_AUTO] =
PCF50633_REGULATOR("auto", PCF50633_REGULATOR_AUTO, 80),
PCF50633_REGULATOR("auto", PCF50633_REGULATOR_AUTO, 81),
[PCF50633_REGULATOR_DOWN1] =
PCF50633_REGULATOR("down1", PCF50633_REGULATOR_DOWN1, 95),
PCF50633_REGULATOR("down1", PCF50633_REGULATOR_DOWN1, 96),
[PCF50633_REGULATOR_DOWN2] =
PCF50633_REGULATOR("down2", PCF50633_REGULATOR_DOWN2, 95),
PCF50633_REGULATOR("down2", PCF50633_REGULATOR_DOWN2, 96),
[PCF50633_REGULATOR_LDO1] =
PCF50633_REGULATOR("ldo1", PCF50633_REGULATOR_LDO1, 27),
PCF50633_REGULATOR("ldo1", PCF50633_REGULATOR_LDO1, 28),
[PCF50633_REGULATOR_LDO2] =
PCF50633_REGULATOR("ldo2", PCF50633_REGULATOR_LDO2, 27),
PCF50633_REGULATOR("ldo2", PCF50633_REGULATOR_LDO2, 28),
[PCF50633_REGULATOR_LDO3] =
PCF50633_REGULATOR("ldo3", PCF50633_REGULATOR_LDO3, 27),
PCF50633_REGULATOR("ldo3", PCF50633_REGULATOR_LDO3, 28),
[PCF50633_REGULATOR_LDO4] =
PCF50633_REGULATOR("ldo4", PCF50633_REGULATOR_LDO4, 27),
PCF50633_REGULATOR("ldo4", PCF50633_REGULATOR_LDO4, 28),
[PCF50633_REGULATOR_LDO5] =
PCF50633_REGULATOR("ldo5", PCF50633_REGULATOR_LDO5, 27),
PCF50633_REGULATOR("ldo5", PCF50633_REGULATOR_LDO5, 28),
[PCF50633_REGULATOR_LDO6] =
PCF50633_REGULATOR("ldo6", PCF50633_REGULATOR_LDO6, 27),
PCF50633_REGULATOR("ldo6", PCF50633_REGULATOR_LDO6, 28),
[PCF50633_REGULATOR_HCLDO] =
PCF50633_REGULATOR("hcldo", PCF50633_REGULATOR_HCLDO, 26),
PCF50633_REGULATOR("hcldo", PCF50633_REGULATOR_HCLDO, 28),
[PCF50633_REGULATOR_MEMLDO] =
PCF50633_REGULATOR("memldo", PCF50633_REGULATOR_MEMLDO, 0),
PCF50633_REGULATOR("memldo", PCF50633_REGULATOR_MEMLDO, 28),
};
static int __devinit pcf50633_regulator_probe(struct platform_device *pdev)

790
drivers/regulator/s5m8767.c Normal file
View File

@ -0,0 +1,790 @@
/*
* s5m8767.c
*
* Copyright (c) 2011 Samsung Electronics Co., Ltd
* http://www.samsung.com
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
*/
#include <linux/bug.h>
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/gpio.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/mfd/s5m87xx/s5m-core.h>
#include <linux/mfd/s5m87xx/s5m-pmic.h>
struct s5m8767_info {
struct device *dev;
struct s5m87xx_dev *iodev;
int num_regulators;
struct regulator_dev **rdev;
int ramp_delay;
bool buck2_ramp;
bool buck3_ramp;
bool buck4_ramp;
bool buck2_gpiodvs;
bool buck3_gpiodvs;
bool buck4_gpiodvs;
u8 buck2_vol[8];
u8 buck3_vol[8];
u8 buck4_vol[8];
int buck_gpios[3];
int buck_gpioindex;
};
struct s5m_voltage_desc {
int max;
int min;
int step;
};
static const struct s5m_voltage_desc buck_voltage_val1 = {
.max = 2225000,
.min = 650000,
.step = 6250,
};
static const struct s5m_voltage_desc buck_voltage_val2 = {
.max = 1600000,
.min = 600000,
.step = 6250,
};
static const struct s5m_voltage_desc buck_voltage_val3 = {
.max = 3000000,
.min = 750000,
.step = 12500,
};
static const struct s5m_voltage_desc ldo_voltage_val1 = {
.max = 3950000,
.min = 800000,
.step = 50000,
};
static const struct s5m_voltage_desc ldo_voltage_val2 = {
.max = 2375000,
.min = 800000,
.step = 25000,
};
static const struct s5m_voltage_desc *reg_voltage_map[] = {
[S5M8767_LDO1] = &ldo_voltage_val2,
[S5M8767_LDO2] = &ldo_voltage_val2,
[S5M8767_LDO3] = &ldo_voltage_val1,
[S5M8767_LDO4] = &ldo_voltage_val1,
[S5M8767_LDO5] = &ldo_voltage_val1,
[S5M8767_LDO6] = &ldo_voltage_val2,
[S5M8767_LDO7] = &ldo_voltage_val2,
[S5M8767_LDO8] = &ldo_voltage_val2,
[S5M8767_LDO9] = &ldo_voltage_val1,
[S5M8767_LDO10] = &ldo_voltage_val1,
[S5M8767_LDO11] = &ldo_voltage_val1,
[S5M8767_LDO12] = &ldo_voltage_val1,
[S5M8767_LDO13] = &ldo_voltage_val1,
[S5M8767_LDO14] = &ldo_voltage_val1,
[S5M8767_LDO15] = &ldo_voltage_val2,
[S5M8767_LDO16] = &ldo_voltage_val1,
[S5M8767_LDO17] = &ldo_voltage_val1,
[S5M8767_LDO18] = &ldo_voltage_val1,
[S5M8767_LDO19] = &ldo_voltage_val1,
[S5M8767_LDO20] = &ldo_voltage_val1,
[S5M8767_LDO21] = &ldo_voltage_val1,
[S5M8767_LDO22] = &ldo_voltage_val1,
[S5M8767_LDO23] = &ldo_voltage_val1,
[S5M8767_LDO24] = &ldo_voltage_val1,
[S5M8767_LDO25] = &ldo_voltage_val1,
[S5M8767_LDO26] = &ldo_voltage_val1,
[S5M8767_LDO27] = &ldo_voltage_val1,
[S5M8767_LDO28] = &ldo_voltage_val1,
[S5M8767_BUCK1] = &buck_voltage_val1,
[S5M8767_BUCK2] = &buck_voltage_val2,
[S5M8767_BUCK3] = &buck_voltage_val2,
[S5M8767_BUCK4] = &buck_voltage_val2,
[S5M8767_BUCK5] = &buck_voltage_val1,
[S5M8767_BUCK6] = &buck_voltage_val1,
[S5M8767_BUCK7] = NULL,
[S5M8767_BUCK8] = NULL,
[S5M8767_BUCK9] = &buck_voltage_val3,
};
static int s5m8767_list_voltage(struct regulator_dev *rdev,
unsigned int selector)
{
const struct s5m_voltage_desc *desc;
int reg_id = rdev_get_id(rdev);
int val;
if (reg_id >= ARRAY_SIZE(reg_voltage_map) || reg_id < 0)
return -EINVAL;
desc = reg_voltage_map[reg_id];
if (desc == NULL)
return -EINVAL;
val = desc->min + desc->step * selector;
if (val > desc->max)
return -EINVAL;
return val;
}
static int s5m8767_get_register(struct regulator_dev *rdev, int *reg)
{
int reg_id = rdev_get_id(rdev);
switch (reg_id) {
case S5M8767_LDO1 ... S5M8767_LDO2:
*reg = S5M8767_REG_LDO1CTRL + (reg_id - S5M8767_LDO1);
break;
case S5M8767_LDO3 ... S5M8767_LDO28:
*reg = S5M8767_REG_LDO3CTRL + (reg_id - S5M8767_LDO3);
break;
case S5M8767_BUCK1:
*reg = S5M8767_REG_BUCK1CTRL1;
break;
case S5M8767_BUCK2 ... S5M8767_BUCK4:
*reg = S5M8767_REG_BUCK2CTRL + (reg_id - S5M8767_BUCK2) * 9;
break;
case S5M8767_BUCK5:
*reg = S5M8767_REG_BUCK5CTRL1;
break;
case S5M8767_BUCK6 ... S5M8767_BUCK9:
*reg = S5M8767_REG_BUCK6CTRL1 + (reg_id - S5M8767_BUCK6) * 2;
break;
default:
return -EINVAL;
}
return 0;
}
static int s5m8767_reg_is_enabled(struct regulator_dev *rdev)
{
struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev);
int ret, reg;
int mask = 0xc0, pattern = 0xc0;
u8 val;
ret = s5m8767_get_register(rdev, &reg);
if (ret == -EINVAL)
return 1;
else if (ret)
return ret;
ret = s5m_reg_read(s5m8767->iodev, reg, &val);
if (ret)
return ret;
return (val & mask) == pattern;
}
static int s5m8767_reg_enable(struct regulator_dev *rdev)
{
struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev);
int ret, reg;
int mask = 0xc0, pattern = 0xc0;
ret = s5m8767_get_register(rdev, &reg);
if (ret)
return ret;
return s5m_reg_update(s5m8767->iodev, reg, pattern, mask);
}
static int s5m8767_reg_disable(struct regulator_dev *rdev)
{
struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev);
int ret, reg;
int mask = 0xc0, pattern = 0xc0;
ret = s5m8767_get_register(rdev, &reg);
if (ret)
return ret;
return s5m_reg_update(s5m8767->iodev, reg, ~pattern, mask);
}
static int s5m8767_get_voltage_register(struct regulator_dev *rdev, int *_reg)
{
struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev);
int reg_id = rdev_get_id(rdev);
int reg;
switch (reg_id) {
case S5M8767_LDO1 ... S5M8767_LDO2:
reg = S5M8767_REG_LDO1CTRL + (reg_id - S5M8767_LDO1);
break;
case S5M8767_LDO3 ... S5M8767_LDO28:
reg = S5M8767_REG_LDO3CTRL + (reg_id - S5M8767_LDO3);
break;
case S5M8767_BUCK1:
reg = S5M8767_REG_BUCK1CTRL2;
break;
case S5M8767_BUCK2:
reg = S5M8767_REG_BUCK2DVS1;
if (s5m8767->buck2_gpiodvs)
reg += s5m8767->buck_gpioindex;
break;
case S5M8767_BUCK3:
reg = S5M8767_REG_BUCK3DVS1;
if (s5m8767->buck3_gpiodvs)
reg += s5m8767->buck_gpioindex;
break;
case S5M8767_BUCK4:
reg = S5M8767_REG_BUCK4DVS1;
if (s5m8767->buck4_gpiodvs)
reg += s5m8767->buck_gpioindex;
break;
case S5M8767_BUCK5:
reg = S5M8767_REG_BUCK5CTRL2;
break;
case S5M8767_BUCK6 ... S5M8767_BUCK9:
reg = S5M8767_REG_BUCK6CTRL2 + (reg_id - S5M8767_BUCK6) * 2;
break;
default:
return -EINVAL;
}
*_reg = reg;
return 0;
}
static int s5m8767_get_voltage_sel(struct regulator_dev *rdev)
{
struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev);
int reg, mask, ret;
int reg_id = rdev_get_id(rdev);
u8 val;
ret = s5m8767_get_voltage_register(rdev, &reg);
if (ret)
return ret;
mask = (reg_id < S5M8767_BUCK1) ? 0x3f : 0xff;
ret = s5m_reg_read(s5m8767->iodev, reg, &val);
if (ret)
return ret;
val &= mask;
return val;
}
static int s5m8767_convert_voltage_to_sel(
const struct s5m_voltage_desc *desc,
int min_vol, int max_vol)
{
int selector = 0;
if (desc == NULL)
return -EINVAL;
if (max_vol < desc->min || min_vol > desc->max)
return -EINVAL;
selector = (min_vol - desc->min) / desc->step;
if (desc->min + desc->step * selector > max_vol)
return -EINVAL;
return selector;
}
static int s5m8767_set_voltage(struct regulator_dev *rdev,
int min_uV, int max_uV, unsigned *selector)
{
struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev);
const struct s5m_voltage_desc *desc;
int reg_id = rdev_get_id(rdev);
int reg, mask, ret;
int i;
u8 val;
switch (reg_id) {
case S5M8767_LDO1 ... S5M8767_LDO28:
mask = 0x3f;
break;
case S5M8767_BUCK1 ... S5M8767_BUCK6:
mask = 0xff;
break;
case S5M8767_BUCK7 ... S5M8767_BUCK8:
return -EINVAL;
case S5M8767_BUCK9:
mask = 0xff;
break;
default:
return -EINVAL;
}
desc = reg_voltage_map[reg_id];
i = s5m8767_convert_voltage_to_sel(desc, min_uV, max_uV);
if (i < 0)
return i;
ret = s5m8767_get_voltage_register(rdev, &reg);
if (ret)
return ret;
s5m_reg_read(s5m8767->iodev, reg, &val);
val = val & mask;
ret = s5m_reg_write(s5m8767->iodev, reg, val);
*selector = i;
return ret;
}
static inline void s5m8767_set_high(struct s5m8767_info *s5m8767)
{
int temp_index = s5m8767->buck_gpioindex;
gpio_set_value(s5m8767->buck_gpios[0], (temp_index >> 2) & 0x1);
gpio_set_value(s5m8767->buck_gpios[1], (temp_index >> 1) & 0x1);
gpio_set_value(s5m8767->buck_gpios[2], temp_index & 0x1);
}
static inline void s5m8767_set_low(struct s5m8767_info *s5m8767)
{
int temp_index = s5m8767->buck_gpioindex;
gpio_set_value(s5m8767->buck_gpios[2], temp_index & 0x1);
gpio_set_value(s5m8767->buck_gpios[1], (temp_index >> 1) & 0x1);
gpio_set_value(s5m8767->buck_gpios[0], (temp_index >> 2) & 0x1);
}
static int s5m8767_set_voltage_buck(struct regulator_dev *rdev,
int min_uV, int max_uV, unsigned *selector)
{
struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev);
int reg_id = rdev_get_id(rdev);
const struct s5m_voltage_desc *desc;
int new_val, old_val, i = 0;
if (reg_id < S5M8767_BUCK1 || reg_id > S5M8767_BUCK6)
return -EINVAL;
switch (reg_id) {
case S5M8767_BUCK1:
return s5m8767_set_voltage(rdev, min_uV, max_uV, selector);
case S5M8767_BUCK2 ... S5M8767_BUCK4:
break;
case S5M8767_BUCK5 ... S5M8767_BUCK6:
return s5m8767_set_voltage(rdev, min_uV, max_uV, selector);
case S5M8767_BUCK9:
return s5m8767_set_voltage(rdev, min_uV, max_uV, selector);
}
desc = reg_voltage_map[reg_id];
new_val = s5m8767_convert_voltage_to_sel(desc, min_uV, max_uV);
if (new_val < 0)
return new_val;
switch (reg_id) {
case S5M8767_BUCK2:
if (s5m8767->buck2_gpiodvs) {
while (s5m8767->buck2_vol[i] != new_val)
i++;
} else
return s5m8767_set_voltage(rdev, min_uV,
max_uV, selector);
break;
case S5M8767_BUCK3:
if (s5m8767->buck3_gpiodvs) {
while (s5m8767->buck3_vol[i] != new_val)
i++;
} else
return s5m8767_set_voltage(rdev, min_uV,
max_uV, selector);
break;
case S5M8767_BUCK4:
if (s5m8767->buck3_gpiodvs) {
while (s5m8767->buck4_vol[i] != new_val)
i++;
} else
return s5m8767_set_voltage(rdev, min_uV,
max_uV, selector);
break;
}
old_val = s5m8767->buck_gpioindex;
s5m8767->buck_gpioindex = i;
if (i > old_val)
s5m8767_set_high(s5m8767);
else
s5m8767_set_low(s5m8767);
*selector = new_val;
return 0;
}
static int s5m8767_set_voltage_time_sel(struct regulator_dev *rdev,
unsigned int old_sel,
unsigned int new_sel)
{
struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev);
const struct s5m_voltage_desc *desc;
int reg_id = rdev_get_id(rdev);
desc = reg_voltage_map[reg_id];
if (old_sel < new_sel)
return DIV_ROUND_UP(desc->step * (new_sel - old_sel),
s5m8767->ramp_delay * 1000);
return 0;
}
static struct regulator_ops s5m8767_ldo_ops = {
.list_voltage = s5m8767_list_voltage,
.is_enabled = s5m8767_reg_is_enabled,
.enable = s5m8767_reg_enable,
.disable = s5m8767_reg_disable,
.get_voltage_sel = s5m8767_get_voltage_sel,
.set_voltage = s5m8767_set_voltage,
.set_voltage_time_sel = s5m8767_set_voltage_time_sel,
};
static struct regulator_ops s5m8767_buck_ops = {
.list_voltage = s5m8767_list_voltage,
.is_enabled = s5m8767_reg_is_enabled,
.enable = s5m8767_reg_enable,
.disable = s5m8767_reg_disable,
.get_voltage_sel = s5m8767_get_voltage_sel,
.set_voltage = s5m8767_set_voltage_buck,
.set_voltage_time_sel = s5m8767_set_voltage_time_sel,
};
#define regulator_desc_ldo(num) { \
.name = "LDO"#num, \
.id = S5M8767_LDO##num, \
.ops = &s5m8767_ldo_ops, \
.type = REGULATOR_VOLTAGE, \
.owner = THIS_MODULE, \
}
#define regulator_desc_buck(num) { \
.name = "BUCK"#num, \
.id = S5M8767_BUCK##num, \
.ops = &s5m8767_buck_ops, \
.type = REGULATOR_VOLTAGE, \
.owner = THIS_MODULE, \
}
static struct regulator_desc regulators[] = {
regulator_desc_ldo(1),
regulator_desc_ldo(2),
regulator_desc_ldo(3),
regulator_desc_ldo(4),
regulator_desc_ldo(5),
regulator_desc_ldo(6),
regulator_desc_ldo(7),
regulator_desc_ldo(8),
regulator_desc_ldo(9),
regulator_desc_ldo(10),
regulator_desc_ldo(11),
regulator_desc_ldo(12),
regulator_desc_ldo(13),
regulator_desc_ldo(14),
regulator_desc_ldo(15),
regulator_desc_ldo(16),
regulator_desc_ldo(17),
regulator_desc_ldo(18),
regulator_desc_ldo(19),
regulator_desc_ldo(20),
regulator_desc_ldo(21),
regulator_desc_ldo(22),
regulator_desc_ldo(23),
regulator_desc_ldo(24),
regulator_desc_ldo(25),
regulator_desc_ldo(26),
regulator_desc_ldo(27),
regulator_desc_ldo(28),
regulator_desc_buck(1),
regulator_desc_buck(2),
regulator_desc_buck(3),
regulator_desc_buck(4),
regulator_desc_buck(5),
regulator_desc_buck(6),
regulator_desc_buck(7),
regulator_desc_buck(8),
regulator_desc_buck(9),
};
static __devinit int s5m8767_pmic_probe(struct platform_device *pdev)
{
struct s5m87xx_dev *iodev = dev_get_drvdata(pdev->dev.parent);
struct s5m_platform_data *pdata = dev_get_platdata(iodev->dev);
struct regulator_dev **rdev;
struct s5m8767_info *s5m8767;
int i, ret, size;
if (!pdata) {
dev_err(pdev->dev.parent, "Platform data not supplied\n");
return -ENODEV;
}
if (pdata->buck2_gpiodvs) {
if (pdata->buck3_gpiodvs || pdata->buck4_gpiodvs) {
dev_err(&pdev->dev, "S5M8767 GPIO DVS NOT VALID\n");
return -EINVAL;
}
}
if (pdata->buck3_gpiodvs) {
if (pdata->buck2_gpiodvs || pdata->buck4_gpiodvs) {
dev_err(&pdev->dev, "S5M8767 GPIO DVS NOT VALID\n");
return -EINVAL;
}
}
if (pdata->buck4_gpiodvs) {
if (pdata->buck2_gpiodvs || pdata->buck3_gpiodvs) {
dev_err(&pdev->dev, "S5M8767 GPIO DVS NOT VALID\n");
return -EINVAL;
}
}
s5m8767 = devm_kzalloc(&pdev->dev, sizeof(struct s5m8767_info),
GFP_KERNEL);
if (!s5m8767)
return -ENOMEM;
size = sizeof(struct regulator_dev *) * (S5M8767_REG_MAX - 2);
s5m8767->rdev = devm_kzalloc(&pdev->dev, size, GFP_KERNEL);
if (!s5m8767->rdev)
return -ENOMEM;
rdev = s5m8767->rdev;
s5m8767->dev = &pdev->dev;
s5m8767->iodev = iodev;
s5m8767->num_regulators = S5M8767_REG_MAX - 2;
platform_set_drvdata(pdev, s5m8767);
s5m8767->buck_gpioindex = pdata->buck_default_idx;
s5m8767->buck2_gpiodvs = pdata->buck2_gpiodvs;
s5m8767->buck3_gpiodvs = pdata->buck3_gpiodvs;
s5m8767->buck4_gpiodvs = pdata->buck4_gpiodvs;
s5m8767->buck_gpios[0] = pdata->buck_gpios[0];
s5m8767->buck_gpios[1] = pdata->buck_gpios[1];
s5m8767->buck_gpios[2] = pdata->buck_gpios[2];
s5m8767->ramp_delay = pdata->buck_ramp_delay;
s5m8767->buck2_ramp = pdata->buck2_ramp_enable;
s5m8767->buck3_ramp = pdata->buck3_ramp_enable;
s5m8767->buck4_ramp = pdata->buck4_ramp_enable;
for (i = 0; i < 8; i++) {
if (s5m8767->buck2_gpiodvs) {
s5m8767->buck2_vol[i] =
s5m8767_convert_voltage_to_sel(
&buck_voltage_val2,
pdata->buck2_voltage[i],
pdata->buck2_voltage[i] +
buck_voltage_val2.step);
}
if (s5m8767->buck3_gpiodvs) {
s5m8767->buck3_vol[i] =
s5m8767_convert_voltage_to_sel(
&buck_voltage_val2,
pdata->buck3_voltage[i],
pdata->buck3_voltage[i] +
buck_voltage_val2.step);
}
if (s5m8767->buck4_gpiodvs) {
s5m8767->buck4_vol[i] =
s5m8767_convert_voltage_to_sel(
&buck_voltage_val2,
pdata->buck4_voltage[i],
pdata->buck4_voltage[i] +
buck_voltage_val2.step);
}
}
if (pdata->buck2_gpiodvs || pdata->buck3_gpiodvs ||
pdata->buck4_gpiodvs) {
if (gpio_is_valid(pdata->buck_gpios[0]) &&
gpio_is_valid(pdata->buck_gpios[1]) &&
gpio_is_valid(pdata->buck_gpios[2])) {
ret = gpio_request(pdata->buck_gpios[0],
"S5M8767 SET1");
if (ret == -EBUSY)
dev_warn(&pdev->dev, "Duplicated gpio request for SET1\n");
ret = gpio_request(pdata->buck_gpios[1],
"S5M8767 SET2");
if (ret == -EBUSY)
dev_warn(&pdev->dev, "Duplicated gpio request for SET2\n");
ret = gpio_request(pdata->buck_gpios[2],
"S5M8767 SET3");
if (ret == -EBUSY)
dev_warn(&pdev->dev, "Duplicated gpio request for SET3\n");
/* SET1 GPIO */
gpio_direction_output(pdata->buck_gpios[0],
(s5m8767->buck_gpioindex >> 2) & 0x1);
/* SET2 GPIO */
gpio_direction_output(pdata->buck_gpios[1],
(s5m8767->buck_gpioindex >> 1) & 0x1);
/* SET3 GPIO */
gpio_direction_output(pdata->buck_gpios[2],
(s5m8767->buck_gpioindex >> 0) & 0x1);
ret = 0;
} else {
dev_err(&pdev->dev, "GPIO NOT VALID\n");
ret = -EINVAL;
return ret;
}
}
s5m_reg_update(s5m8767->iodev, S5M8767_REG_BUCK2CTRL,
(pdata->buck2_gpiodvs) ? (1 << 1) : (0 << 1), 1 << 1);
s5m_reg_update(s5m8767->iodev, S5M8767_REG_BUCK3CTRL,
(pdata->buck3_gpiodvs) ? (1 << 1) : (0 << 1), 1 << 1);
s5m_reg_update(s5m8767->iodev, S5M8767_REG_BUCK4CTRL,
(pdata->buck4_gpiodvs) ? (1 << 1) : (0 << 1), 1 << 1);
/* Initialize GPIO DVS registers */
for (i = 0; i < 8; i++) {
if (s5m8767->buck2_gpiodvs) {
s5m_reg_write(s5m8767->iodev, S5M8767_REG_BUCK2DVS1 + i,
s5m8767->buck2_vol[i]);
}
if (s5m8767->buck3_gpiodvs) {
s5m_reg_write(s5m8767->iodev, S5M8767_REG_BUCK3DVS1 + i,
s5m8767->buck3_vol[i]);
}
if (s5m8767->buck4_gpiodvs) {
s5m_reg_write(s5m8767->iodev, S5M8767_REG_BUCK4DVS1 + i,
s5m8767->buck4_vol[i]);
}
}
s5m_reg_update(s5m8767->iodev, S5M8767_REG_BUCK2CTRL, 0x78, 0xff);
s5m_reg_update(s5m8767->iodev, S5M8767_REG_BUCK3CTRL, 0x58, 0xff);
s5m_reg_update(s5m8767->iodev, S5M8767_REG_BUCK4CTRL, 0x78, 0xff);
if (s5m8767->buck2_ramp)
s5m_reg_update(s5m8767->iodev, S5M8767_REG_DVSRAMP, 0x08, 0x08);
if (s5m8767->buck3_ramp)
s5m_reg_update(s5m8767->iodev, S5M8767_REG_DVSRAMP, 0x04, 0x04);
if (s5m8767->buck4_ramp)
s5m_reg_update(s5m8767->iodev, S5M8767_REG_DVSRAMP, 0x02, 0x02);
if (s5m8767->buck2_ramp || s5m8767->buck3_ramp
|| s5m8767->buck4_ramp) {
switch (s5m8767->ramp_delay) {
case 15:
s5m_reg_update(s5m8767->iodev, S5M8767_REG_DVSRAMP,
0xc0, 0xf0);
break;
case 25:
s5m_reg_update(s5m8767->iodev, S5M8767_REG_DVSRAMP,
0xd0, 0xf0);
break;
case 50:
s5m_reg_update(s5m8767->iodev, S5M8767_REG_DVSRAMP,
0xe0, 0xf0);
break;
case 100:
s5m_reg_update(s5m8767->iodev, S5M8767_REG_DVSRAMP,
0xf0, 0xf0);
break;
default:
s5m_reg_update(s5m8767->iodev, S5M8767_REG_DVSRAMP,
0x90, 0xf0);
}
}
for (i = 0; i < pdata->num_regulators; i++) {
const struct s5m_voltage_desc *desc;
int id = pdata->regulators[i].id;
desc = reg_voltage_map[id];
if (desc)
regulators[id].n_voltages =
(desc->max - desc->min) / desc->step + 1;
rdev[i] = regulator_register(&regulators[id], s5m8767->dev,
pdata->regulators[i].initdata, s5m8767, NULL);
if (IS_ERR(rdev[i])) {
ret = PTR_ERR(rdev[i]);
dev_err(s5m8767->dev, "regulator init failed for %d\n",
id);
rdev[i] = NULL;
goto err;
}
}
return 0;
err:
for (i = 0; i < s5m8767->num_regulators; i++)
if (rdev[i])
regulator_unregister(rdev[i]);
return ret;
}
static int __devexit s5m8767_pmic_remove(struct platform_device *pdev)
{
struct s5m8767_info *s5m8767 = platform_get_drvdata(pdev);
struct regulator_dev **rdev = s5m8767->rdev;
int i;
for (i = 0; i < s5m8767->num_regulators; i++)
if (rdev[i])
regulator_unregister(rdev[i]);
return 0;
}
static const struct platform_device_id s5m8767_pmic_id[] = {
{ "s5m8767-pmic", 0},
{ },
};
MODULE_DEVICE_TABLE(platform, s5m8767_pmic_id);
static struct platform_driver s5m8767_pmic_driver = {
.driver = {
.name = "s5m8767-pmic",
.owner = THIS_MODULE,
},
.probe = s5m8767_pmic_probe,
.remove = __devexit_p(s5m8767_pmic_remove),
.id_table = s5m8767_pmic_id,
};
static int __init s5m8767_pmic_init(void)
{
return platform_driver_register(&s5m8767_pmic_driver);
}
subsys_initcall(s5m8767_pmic_init);
static void __exit s5m8767_pmic_exit(void)
{
platform_driver_unregister(&s5m8767_pmic_driver);
}
module_exit(s5m8767_pmic_exit);
/* Module information */
MODULE_AUTHOR("Sangbeom Kim <sbkim73@samsung.com>");
MODULE_DESCRIPTION("SAMSUNG S5M8767 Regulator Driver");
MODULE_LICENSE("GPL");

472
drivers/regulator/tps62360-regulator.c Normal file
View File

@ -0,0 +1,472 @@
/*
* tps62360.c -- TI tps62360
*
* Driver for processor core supply tps62360 and tps62361B
*
* Copyright (c) 2012, NVIDIA Corporation.
*
* Author: Laxman Dewangan <ldewangan@nvidia.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation version 2.
*
* This program is distributed "as is" WITHOUT ANY WARRANTY of any kind,
* whether express or implied; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
* 02111-1307, USA
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/err.h>
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/tps62360.h>
#include <linux/gpio.h>
#include <linux/i2c.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/regmap.h>
/* Register definitions */
#define REG_VSET0 0
#define REG_VSET1 1
#define REG_VSET2 2
#define REG_VSET3 3
#define REG_CONTROL 4
#define REG_TEMP 5
#define REG_RAMPCTRL 6
#define REG_CHIPID 8
enum chips {TPS62360, TPS62361};
#define TPS62360_BASE_VOLTAGE 770
#define TPS62360_N_VOLTAGES 64
#define TPS62361_BASE_VOLTAGE 500
#define TPS62361_N_VOLTAGES 128
/* tps 62360 chip information */
struct tps62360_chip {
const char *name;
struct device *dev;
struct regulator_desc desc;
struct i2c_client *client;
struct regulator_dev *rdev;
struct regmap *regmap;
int chip_id;
int vsel0_gpio;
int vsel1_gpio;
int voltage_base;
u8 voltage_reg_mask;
bool en_internal_pulldn;
bool en_force_pwm;
bool en_discharge;
bool valid_gpios;
int lru_index[4];
int curr_vset_vsel[4];
int curr_vset_id;
};
/*
* find_voltage_set_register: Find new voltage configuration register
* (VSET) id.
* The finding of the new VSET register will be based on the LRU mechanism.
* Each VSET register will have different voltage configured . This
* Function will look if any of the VSET register have requested voltage set
* or not.
* - If it is already there then it will make that register as most
* recently used and return as found so that caller need not to set
* the VSET register but need to set the proper gpios to select this
* VSET register.
* - If requested voltage is not found then it will use the least
* recently mechanism to get new VSET register for new configuration
* and will return not_found so that caller need to set new VSET
* register and then gpios (both).
*/
static bool find_voltage_set_register(struct tps62360_chip *tps,
int req_vsel, int *vset_reg_id)
{
int i;
bool found = false;
int new_vset_reg = tps->lru_index[3];
int found_index = 3;
for (i = 0; i < 4; ++i) {
if (tps->curr_vset_vsel[tps->lru_index[i]] == req_vsel) {
new_vset_reg = tps->lru_index[i];
found_index = i;
found = true;
goto update_lru_index;
}
}
update_lru_index:
for (i = found_index; i > 0; i--)
tps->lru_index[i] = tps->lru_index[i - 1];
tps->lru_index[0] = new_vset_reg;
*vset_reg_id = new_vset_reg;
return found;
}
static int tps62360_dcdc_get_voltage(struct regulator_dev *dev)
{
struct tps62360_chip *tps = rdev_get_drvdata(dev);
int vsel;
unsigned int data;
int ret;
ret = regmap_read(tps->regmap, REG_VSET0 + tps->curr_vset_id, &data);
if (ret < 0) {
dev_err(tps->dev, "%s: Error in reading register %d\n",
__func__, REG_VSET0 + tps->curr_vset_id);
return ret;
}
vsel = (int)data & tps->voltage_reg_mask;
return (tps->voltage_base + vsel * 10) * 1000;
}
static int tps62360_dcdc_set_voltage(struct regulator_dev *dev,
int min_uV, int max_uV, unsigned *selector)
{
struct tps62360_chip *tps = rdev_get_drvdata(dev);
int vsel;
int ret;
bool found = false;
int new_vset_id = tps->curr_vset_id;
if (max_uV < min_uV)
return -EINVAL;
if (min_uV >
((tps->voltage_base + (tps->desc.n_voltages - 1) * 10) * 1000))
return -EINVAL;
if (max_uV < tps->voltage_base * 1000)
return -EINVAL;
vsel = DIV_ROUND_UP(min_uV - (tps->voltage_base * 1000), 10000);
if (selector)
*selector = (vsel & tps->voltage_reg_mask);
/*
* If gpios are available to select the VSET register then least
* recently used register for new configuration.
*/
if (tps->valid_gpios)
found = find_voltage_set_register(tps, vsel, &new_vset_id);
if (!found) {
ret = regmap_update_bits(tps->regmap, REG_VSET0 + new_vset_id,
tps->voltage_reg_mask, vsel);
if (ret < 0) {
dev_err(tps->dev, "%s: Error in updating register %d\n",
__func__, REG_VSET0 + new_vset_id);
return ret;
}
tps->curr_vset_id = new_vset_id;
tps->curr_vset_vsel[new_vset_id] = vsel;
}
/* Select proper VSET register vio gpios */
if (tps->valid_gpios) {
gpio_set_value_cansleep(tps->vsel0_gpio,
new_vset_id & 0x1);
gpio_set_value_cansleep(tps->vsel1_gpio,
(new_vset_id >> 1) & 0x1);
}
return 0;
}
static int tps62360_dcdc_list_voltage(struct regulator_dev *dev,
unsigned selector)
{
struct tps62360_chip *tps = rdev_get_drvdata(dev);
if (selector >= tps->desc.n_voltages)
return -EINVAL;
return (tps->voltage_base + selector * 10) * 1000;
}
static struct regulator_ops tps62360_dcdc_ops = {
.get_voltage = tps62360_dcdc_get_voltage,
.set_voltage = tps62360_dcdc_set_voltage,
.list_voltage = tps62360_dcdc_list_voltage,
};
static int tps62360_init_force_pwm(struct tps62360_chip *tps,
struct tps62360_regulator_platform_data *pdata,
int vset_id)
{
unsigned int data;
int ret;
ret = regmap_read(tps->regmap, REG_VSET0 + vset_id, &data);
if (ret < 0) {
dev_err(tps->dev, "%s() fails in writing reg %d\n",
__func__, REG_VSET0 + vset_id);
return ret;
}
tps->curr_vset_vsel[vset_id] = data & tps->voltage_reg_mask;
if (pdata->en_force_pwm)
data |= BIT(7);
else
data &= ~BIT(7);
ret = regmap_write(tps->regmap, REG_VSET0 + vset_id, data);
if (ret < 0)
dev_err(tps->dev, "%s() fails in writing reg %d\n",
__func__, REG_VSET0 + vset_id);
return ret;
}
static int tps62360_init_dcdc(struct tps62360_chip *tps,
struct tps62360_regulator_platform_data *pdata)
{
int ret;
int i;
/* Initailize internal pull up/down control */
if (tps->en_internal_pulldn)
ret = regmap_write(tps->regmap, REG_CONTROL, 0xE0);
else
ret = regmap_write(tps->regmap, REG_CONTROL, 0x0);
if (ret < 0) {
dev_err(tps->dev, "%s() fails in writing reg %d\n",
__func__, REG_CONTROL);
return ret;
}
/* Initailize force PWM mode */
if (tps->valid_gpios) {
for (i = 0; i < 4; ++i) {
ret = tps62360_init_force_pwm(tps, pdata, i);
if (ret < 0)
return ret;
}
} else {
ret = tps62360_init_force_pwm(tps, pdata, tps->curr_vset_id);
if (ret < 0)
return ret;
}
/* Reset output discharge path to reduce power consumption */
ret = regmap_update_bits(tps->regmap, REG_RAMPCTRL, BIT(2), 0);
if (ret < 0)
dev_err(tps->dev, "%s() fails in updating reg %d\n",
__func__, REG_RAMPCTRL);
return ret;
}
static const struct regmap_config tps62360_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
};
static int __devinit tps62360_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct tps62360_regulator_platform_data *pdata;
struct regulator_dev *rdev;
struct tps62360_chip *tps;
int ret;
int i;
pdata = client->dev.platform_data;
if (!pdata) {
dev_err(&client->dev, "%s() Err: Platform data not found\n",
__func__);
return -EIO;
}
tps = devm_kzalloc(&client->dev, sizeof(*tps), GFP_KERNEL);
if (!tps) {
dev_err(&client->dev, "%s() Err: Memory allocation fails\n",
__func__);
return -ENOMEM;
}
tps->en_force_pwm = pdata->en_force_pwm;
tps->en_discharge = pdata->en_discharge;
tps->en_internal_pulldn = pdata->en_internal_pulldn;
tps->vsel0_gpio = pdata->vsel0_gpio;
tps->vsel1_gpio = pdata->vsel1_gpio;
tps->client = client;
tps->dev = &client->dev;
tps->name = id->name;
tps->voltage_base = (id->driver_data == TPS62360) ?
TPS62360_BASE_VOLTAGE : TPS62361_BASE_VOLTAGE;
tps->voltage_reg_mask = (id->driver_data == TPS62360) ? 0x3F : 0x7F;
tps->desc.name = id->name;
tps->desc.id = 0;
tps->desc.n_voltages = (id->driver_data == TPS62360) ?
TPS62360_N_VOLTAGES : TPS62361_N_VOLTAGES;
tps->desc.ops = &tps62360_dcdc_ops;
tps->desc.type = REGULATOR_VOLTAGE;
tps->desc.owner = THIS_MODULE;
tps->regmap = regmap_init_i2c(client, &tps62360_regmap_config);
if (IS_ERR(tps->regmap)) {
ret = PTR_ERR(tps->regmap);
dev_err(&client->dev, "%s() Err: Failed to allocate register"
"map: %d\n", __func__, ret);
return ret;
}
i2c_set_clientdata(client, tps);
tps->curr_vset_id = (pdata->vsel1_def_state & 1) * 2 +
(pdata->vsel0_def_state & 1);
tps->lru_index[0] = tps->curr_vset_id;
tps->valid_gpios = false;
if (gpio_is_valid(tps->vsel0_gpio) && gpio_is_valid(tps->vsel1_gpio)) {
ret = gpio_request(tps->vsel0_gpio, "tps62360-vsel0");
if (ret) {
dev_err(&client->dev,
"Err: Could not obtain vsel0 GPIO %d: %d\n",
tps->vsel0_gpio, ret);
goto err_gpio0;
}
ret = gpio_direction_output(tps->vsel0_gpio,
pdata->vsel0_def_state);
if (ret) {
dev_err(&client->dev, "Err: Could not set direction of"
"vsel0 GPIO %d: %d\n", tps->vsel0_gpio, ret);
gpio_free(tps->vsel0_gpio);
goto err_gpio0;
}
ret = gpio_request(tps->vsel1_gpio, "tps62360-vsel1");
if (ret) {
dev_err(&client->dev,
"Err: Could not obtain vsel1 GPIO %d: %d\n",
tps->vsel1_gpio, ret);
goto err_gpio1;
}
ret = gpio_direction_output(tps->vsel1_gpio,
pdata->vsel1_def_state);
if (ret) {
dev_err(&client->dev, "Err: Could not set direction of"
"vsel1 GPIO %d: %d\n", tps->vsel1_gpio, ret);
gpio_free(tps->vsel1_gpio);
goto err_gpio1;
}
tps->valid_gpios = true;
/*
* Initialize the lru index with vset_reg id
* The index 0 will be most recently used and
* set with the tps->curr_vset_id */
for (i = 0; i < 4; ++i)
tps->lru_index[i] = i;
tps->lru_index[0] = tps->curr_vset_id;
tps->lru_index[tps->curr_vset_id] = 0;
}
ret = tps62360_init_dcdc(tps, pdata);
if (ret < 0) {
dev_err(tps->dev, "%s() Err: Init fails with = %d\n",
__func__, ret);
goto err_init;
}
/* Register the regulators */
rdev = regulator_register(&tps->desc, &client->dev,
&pdata->reg_init_data, tps, NULL);
if (IS_ERR(rdev)) {
dev_err(tps->dev, "%s() Err: Failed to register %s\n",
__func__, id->name);
ret = PTR_ERR(rdev);
goto err_init;
}
tps->rdev = rdev;
return 0;
err_init:
if (gpio_is_valid(tps->vsel1_gpio))
gpio_free(tps->vsel1_gpio);
err_gpio1:
if (gpio_is_valid(tps->vsel0_gpio))
gpio_free(tps->vsel0_gpio);
err_gpio0:
regmap_exit(tps->regmap);
return ret;
}
/**
* tps62360_remove - tps62360 driver i2c remove handler
* @client: i2c driver client device structure
*
* Unregister TPS driver as an i2c client device driver
*/
static int __devexit tps62360_remove(struct i2c_client *client)
{
struct tps62360_chip *tps = i2c_get_clientdata(client);
if (gpio_is_valid(tps->vsel1_gpio))
gpio_free(tps->vsel1_gpio);
if (gpio_is_valid(tps->vsel0_gpio))
gpio_free(tps->vsel0_gpio);
regulator_unregister(tps->rdev);
regmap_exit(tps->regmap);
return 0;
}
static void tps62360_shutdown(struct i2c_client *client)
{
struct tps62360_chip *tps = i2c_get_clientdata(client);
int st;
if (!tps->en_discharge)
return;
/* Configure the output discharge path */
st = regmap_update_bits(tps->regmap, REG_RAMPCTRL, BIT(2), BIT(2));
if (st < 0)
dev_err(tps->dev, "%s() fails in updating reg %d\n",
__func__, REG_RAMPCTRL);
}
static const struct i2c_device_id tps62360_id[] = {
{.name = "tps62360", .driver_data = TPS62360},
{.name = "tps62361", .driver_data = TPS62361},
{},
};
MODULE_DEVICE_TABLE(i2c, tps62360_id);
static struct i2c_driver tps62360_i2c_driver = {
.driver = {
.name = "tps62360",
.owner = THIS_MODULE,
},
.probe = tps62360_probe,
.remove = __devexit_p(tps62360_remove),
.shutdown = tps62360_shutdown,
.id_table = tps62360_id,
};
static int __init tps62360_init(void)
{
return i2c_add_driver(&tps62360_i2c_driver);
}
subsys_initcall(tps62360_init);
static void __exit tps62360_cleanup(void)
{
i2c_del_driver(&tps62360_i2c_driver);
}
module_exit(tps62360_cleanup);
MODULE_AUTHOR("Laxman Dewangan <ldewangan@nvidia.com>");
MODULE_DESCRIPTION("TPS62360 voltage regulator driver");
MODULE_LICENSE("GPL v2");

4
drivers/regulator/tps65023-regulator.c
View File

@ -487,10 +487,6 @@ static int __devinit tps_65023_probe(struct i2c_client *client,
i2c_set_clientdata(client, tps);
/* Enable setting output voltage by I2C */
regmap_update_bits(tps->regmap, TPS65023_REG_CON_CTRL2,
TPS65023_REG_CTRL2_CORE_ADJ, TPS65023_REG_CTRL2_CORE_ADJ);
/* Enable setting output voltage by I2C */
regmap_update_bits(tps->regmap, TPS65023_REG_CON_CTRL2,
TPS65023_REG_CTRL2_CORE_ADJ, TPS65023_REG_CTRL2_CORE_ADJ);

333
drivers/regulator/tps6507x-regulator.c
View File

@ -238,16 +238,16 @@ static int tps6507x_pmic_reg_write(struct tps6507x_pmic *tps, u8 reg, u8 val)
return err;
}
static int tps6507x_pmic_dcdc_is_enabled(struct regulator_dev *dev)
static int tps6507x_pmic_is_enabled(struct regulator_dev *dev)
{
struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
int data, dcdc = rdev_get_id(dev);
int data, rid = rdev_get_id(dev);
u8 shift;
if (dcdc < TPS6507X_DCDC_1 || dcdc > TPS6507X_DCDC_3)
if (rid < TPS6507X_DCDC_1 || rid > TPS6507X_LDO_2)
return -EINVAL;
shift = TPS6507X_MAX_REG_ID - dcdc;
shift = TPS6507X_MAX_REG_ID - rid;
data = tps6507x_pmic_reg_read(tps, TPS6507X_REG_CON_CTRL1);
if (data < 0)
@ -256,186 +256,68 @@ static int tps6507x_pmic_dcdc_is_enabled(struct regulator_dev *dev)
return (data & 1<<shift) ? 1 : 0;
}
static int tps6507x_pmic_ldo_is_enabled(struct regulator_dev *dev)
static int tps6507x_pmic_enable(struct regulator_dev *dev)
{
struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
int data, ldo = rdev_get_id(dev);
int rid = rdev_get_id(dev);
u8 shift;
if (ldo < TPS6507X_LDO_1 || ldo > TPS6507X_LDO_2)
if (rid < TPS6507X_DCDC_1 || rid > TPS6507X_LDO_2)
return -EINVAL;
shift = TPS6507X_MAX_REG_ID - ldo;
data = tps6507x_pmic_reg_read(tps, TPS6507X_REG_CON_CTRL1);
if (data < 0)
return data;
else
return (data & 1<<shift) ? 1 : 0;
}
static int tps6507x_pmic_dcdc_enable(struct regulator_dev *dev)
{
struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
int dcdc = rdev_get_id(dev);
u8 shift;
if (dcdc < TPS6507X_DCDC_1 || dcdc > TPS6507X_DCDC_3)
return -EINVAL;
shift = TPS6507X_MAX_REG_ID - dcdc;
shift = TPS6507X_MAX_REG_ID - rid;
return tps6507x_pmic_set_bits(tps, TPS6507X_REG_CON_CTRL1, 1 << shift);
}
static int tps6507x_pmic_dcdc_disable(struct regulator_dev *dev)
static int tps6507x_pmic_disable(struct regulator_dev *dev)
{
struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
int dcdc = rdev_get_id(dev);
int rid = rdev_get_id(dev);
u8 shift;
if (dcdc < TPS6507X_DCDC_1 || dcdc > TPS6507X_DCDC_3)
if (rid < TPS6507X_DCDC_1 || rid > TPS6507X_LDO_2)
return -EINVAL;
shift = TPS6507X_MAX_REG_ID - dcdc;
shift = TPS6507X_MAX_REG_ID - rid;
return tps6507x_pmic_clear_bits(tps, TPS6507X_REG_CON_CTRL1,
1 << shift);
}
static int tps6507x_pmic_ldo_enable(struct regulator_dev *dev)
static int tps6507x_pmic_get_voltage(struct regulator_dev *dev)
{
struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
int ldo = rdev_get_id(dev);
u8 shift;
if (ldo < TPS6507X_LDO_1 || ldo > TPS6507X_LDO_2)
return -EINVAL;
shift = TPS6507X_MAX_REG_ID - ldo;
return tps6507x_pmic_set_bits(tps, TPS6507X_REG_CON_CTRL1, 1 << shift);
}
static int tps6507x_pmic_ldo_disable(struct regulator_dev *dev)
{
struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
int ldo = rdev_get_id(dev);
u8 shift;
if (ldo < TPS6507X_LDO_1 || ldo > TPS6507X_LDO_2)
return -EINVAL;
shift = TPS6507X_MAX_REG_ID - ldo;
return tps6507x_pmic_clear_bits(tps, TPS6507X_REG_CON_CTRL1,
1 << shift);
}
static int tps6507x_pmic_dcdc_get_voltage(struct regulator_dev *dev)
{
struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
int data, dcdc = rdev_get_id(dev);
u8 reg;
switch (dcdc) {
case TPS6507X_DCDC_1:
reg = TPS6507X_REG_DEFDCDC1;
break;
case TPS6507X_DCDC_2:
if (tps->info[dcdc]->defdcdc_default)
reg = TPS6507X_REG_DEFDCDC2_HIGH;
else
reg = TPS6507X_REG_DEFDCDC2_LOW;
break;
case TPS6507X_DCDC_3:
if (tps->info[dcdc]->defdcdc_default)
reg = TPS6507X_REG_DEFDCDC3_HIGH;
else
reg = TPS6507X_REG_DEFDCDC3_LOW;
break;
default:
return -EINVAL;
}
data = tps6507x_pmic_reg_read(tps, reg);
if (data < 0)
return data;
data &= TPS6507X_DEFDCDCX_DCDC_MASK;
return tps->info[dcdc]->table[data] * 1000;
}
static int tps6507x_pmic_dcdc_set_voltage(struct regulator_dev *dev,
int min_uV, int max_uV,
unsigned *selector)
{
struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
int data, vsel, dcdc = rdev_get_id(dev);
u8 reg;
switch (dcdc) {
case TPS6507X_DCDC_1:
reg = TPS6507X_REG_DEFDCDC1;
break;
case TPS6507X_DCDC_2:
if (tps->info[dcdc]->defdcdc_default)
reg = TPS6507X_REG_DEFDCDC2_HIGH;
else
reg = TPS6507X_REG_DEFDCDC2_LOW;
break;
case TPS6507X_DCDC_3:
if (tps->info[dcdc]->defdcdc_default)
reg = TPS6507X_REG_DEFDCDC3_HIGH;
else
reg = TPS6507X_REG_DEFDCDC3_LOW;
break;
default:
return -EINVAL;
}
if (min_uV < tps->info[dcdc]->min_uV
|| min_uV > tps->info[dcdc]->max_uV)
return -EINVAL;
if (max_uV < tps->info[dcdc]->min_uV
|| max_uV > tps->info[dcdc]->max_uV)
return -EINVAL;
for (vsel = 0; vsel < tps->info[dcdc]->table_len; vsel++) {
int mV = tps->info[dcdc]->table[vsel];
int uV = mV * 1000;
/* Break at the first in-range value */
if (min_uV <= uV && uV <= max_uV)
break;
}
/* write to the register in case we found a match */
if (vsel == tps->info[dcdc]->table_len)
return -EINVAL;
*selector = vsel;
data = tps6507x_pmic_reg_read(tps, reg);
if (data < 0)
return data;
data &= ~TPS6507X_DEFDCDCX_DCDC_MASK;
data |= vsel;
return tps6507x_pmic_reg_write(tps, reg, data);
}
static int tps6507x_pmic_ldo_get_voltage(struct regulator_dev *dev)
{
struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
int data, ldo = rdev_get_id(dev);
int data, rid = rdev_get_id(dev);
u8 reg, mask;
if (ldo < TPS6507X_LDO_1 || ldo > TPS6507X_LDO_2)
switch (rid) {
case TPS6507X_DCDC_1:
reg = TPS6507X_REG_DEFDCDC1;
mask = TPS6507X_DEFDCDCX_DCDC_MASK;
break;
case TPS6507X_DCDC_2:
if (tps->info[rid]->defdcdc_default)
reg = TPS6507X_REG_DEFDCDC2_HIGH;
else
reg = TPS6507X_REG_DEFDCDC2_LOW;
mask = TPS6507X_DEFDCDCX_DCDC_MASK;
break;
case TPS6507X_DCDC_3:
if (tps->info[rid]->defdcdc_default)
reg = TPS6507X_REG_DEFDCDC3_HIGH;
else
reg = TPS6507X_REG_DEFDCDC3_LOW;
mask = TPS6507X_DEFDCDCX_DCDC_MASK;
break;
case TPS6507X_LDO_1:
reg = TPS6507X_REG_LDO_CTRL1;
mask = TPS6507X_REG_LDO_CTRL1_LDO1_MASK;
break;
case TPS6507X_LDO_2:
reg = TPS6507X_REG_DEFLDO2;
mask = TPS6507X_REG_DEFLDO2_LDO2_MASK;
break;
default:
return -EINVAL;
else {
reg = (ldo == TPS6507X_LDO_1 ?
TPS6507X_REG_LDO_CTRL1 : TPS6507X_REG_DEFLDO2);
mask = (ldo == TPS6507X_LDO_1 ?
TPS6507X_REG_LDO_CTRL1_LDO1_MASK :
TPS6507X_REG_DEFLDO2_LDO2_MASK);
}
data = tps6507x_pmic_reg_read(tps, reg);
@ -443,108 +325,82 @@ static int tps6507x_pmic_ldo_get_voltage(struct regulator_dev *dev)
return data;
data &= mask;
return tps->info[ldo]->table[data] * 1000;
return tps->info[rid]->table[data] * 1000;
}
static int tps6507x_pmic_ldo_set_voltage(struct regulator_dev *dev,
int min_uV, int max_uV,
unsigned *selector)
static int tps6507x_pmic_set_voltage_sel(struct regulator_dev *dev,
unsigned selector)
{
struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
int data, vsel, ldo = rdev_get_id(dev);
int data, rid = rdev_get_id(dev);
u8 reg, mask;
if (ldo < TPS6507X_LDO_1 || ldo > TPS6507X_LDO_2)
switch (rid) {
case TPS6507X_DCDC_1:
reg = TPS6507X_REG_DEFDCDC1;
mask = TPS6507X_DEFDCDCX_DCDC_MASK;
break;
case TPS6507X_DCDC_2:
if (tps->info[rid]->defdcdc_default)
reg = TPS6507X_REG_DEFDCDC2_HIGH;
else
reg = TPS6507X_REG_DEFDCDC2_LOW;
mask = TPS6507X_DEFDCDCX_DCDC_MASK;
break;
case TPS6507X_DCDC_3:
if (tps->info[rid]->defdcdc_default)
reg = TPS6507X_REG_DEFDCDC3_HIGH;
else
reg = TPS6507X_REG_DEFDCDC3_LOW;
mask = TPS6507X_DEFDCDCX_DCDC_MASK;
break;
case TPS6507X_LDO_1:
reg = TPS6507X_REG_LDO_CTRL1;
mask = TPS6507X_REG_LDO_CTRL1_LDO1_MASK;
break;
case TPS6507X_LDO_2:
reg = TPS6507X_REG_DEFLDO2;
mask = TPS6507X_REG_DEFLDO2_LDO2_MASK;
break;
default:
return -EINVAL;
else {
reg = (ldo == TPS6507X_LDO_1 ?
TPS6507X_REG_LDO_CTRL1 : TPS6507X_REG_DEFLDO2);
mask = (ldo == TPS6507X_LDO_1 ?
TPS6507X_REG_LDO_CTRL1_LDO1_MASK :
TPS6507X_REG_DEFLDO2_LDO2_MASK);
}
if (min_uV < tps->info[ldo]->min_uV || min_uV > tps->info[ldo]->max_uV)
return -EINVAL;
if (max_uV < tps->info[ldo]->min_uV || max_uV > tps->info[ldo]->max_uV)
return -EINVAL;
for (vsel = 0; vsel < tps->info[ldo]->table_len; vsel++) {
int mV = tps->info[ldo]->table[vsel];
int uV = mV * 1000;
/* Break at the first in-range value */
if (min_uV <= uV && uV <= max_uV)
break;
}
if (vsel == tps->info[ldo]->table_len)
return -EINVAL;
*selector = vsel;
data = tps6507x_pmic_reg_read(tps, reg);
if (data < 0)
return data;
data &= ~mask;
data |= vsel;
data |= selector;
return tps6507x_pmic_reg_write(tps, reg, data);
}
static int tps6507x_pmic_dcdc_list_voltage(struct regulator_dev *dev,
static int tps6507x_pmic_list_voltage(struct regulator_dev *dev,
unsigned selector)
{
struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
int dcdc = rdev_get_id(dev);
int rid = rdev_get_id(dev);
if (dcdc < TPS6507X_DCDC_1 || dcdc > TPS6507X_DCDC_3)
if (rid < TPS6507X_DCDC_1 || rid > TPS6507X_LDO_2)
return -EINVAL;
if (selector >= tps->info[dcdc]->table_len)
if (selector >= tps->info[rid]->table_len)
return -EINVAL;
else
return tps->info[dcdc]->table[selector] * 1000;
return tps->info[rid]->table[selector] * 1000;
}
static int tps6507x_pmic_ldo_list_voltage(struct regulator_dev *dev,
unsigned selector)
{
struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
int ldo = rdev_get_id(dev);
if (ldo < TPS6507X_LDO_1 || ldo > TPS6507X_LDO_2)
return -EINVAL;
if (selector >= tps->info[ldo]->table_len)
return -EINVAL;
else
return tps->info[ldo]->table[selector] * 1000;
}
/* Operations permitted on VDCDCx */
static struct regulator_ops tps6507x_pmic_dcdc_ops = {
.is_enabled = tps6507x_pmic_dcdc_is_enabled,
.enable = tps6507x_pmic_dcdc_enable,
.disable = tps6507x_pmic_dcdc_disable,
.get_voltage = tps6507x_pmic_dcdc_get_voltage,
.set_voltage = tps6507x_pmic_dcdc_set_voltage,
.list_voltage = tps6507x_pmic_dcdc_list_voltage,
static struct regulator_ops tps6507x_pmic_ops = {
.is_enabled = tps6507x_pmic_is_enabled,
.enable = tps6507x_pmic_enable,
.disable = tps6507x_pmic_disable,
.get_voltage = tps6507x_pmic_get_voltage,
.set_voltage_sel = tps6507x_pmic_set_voltage_sel,
.list_voltage = tps6507x_pmic_list_voltage,
};
/* Operations permitted on LDOx */
static struct regulator_ops tps6507x_pmic_ldo_ops = {
.is_enabled = tps6507x_pmic_ldo_is_enabled,
.enable = tps6507x_pmic_ldo_enable,
.disable = tps6507x_pmic_ldo_disable,
.get_voltage = tps6507x_pmic_ldo_get_voltage,
.set_voltage = tps6507x_pmic_ldo_set_voltage,
.list_voltage = tps6507x_pmic_ldo_list_voltage,
};
static __devinit
int tps6507x_pmic_probe(struct platform_device *pdev)
static __devinit int tps6507x_pmic_probe(struct platform_device *pdev)
{
struct tps6507x_dev *tps6507x_dev = dev_get_drvdata(pdev->dev.parent);
struct tps_info *info = &tps6507x_pmic_regs[0];
@ -593,8 +449,7 @@ int tps6507x_pmic_probe(struct platform_device *pdev)
tps->desc[i].name = info->name;
tps->desc[i].id = i;
tps->desc[i].n_voltages = info->table_len;
tps->desc[i].ops = (i > TPS6507X_DCDC_3 ?
&tps6507x_pmic_ldo_ops : &tps6507x_pmic_dcdc_ops);
tps->desc[i].ops = &tps6507x_pmic_ops;
tps->desc[i].type = REGULATOR_VOLTAGE;
tps->desc[i].owner = THIS_MODULE;
@ -648,22 +503,12 @@ static struct platform_driver tps6507x_pmic_driver = {
.remove = __devexit_p(tps6507x_pmic_remove),
};
/**
* tps6507x_pmic_init
*
* Module init function
*/
static int __init tps6507x_pmic_init(void)
{
return platform_driver_register(&tps6507x_pmic_driver);
}
subsys_initcall(tps6507x_pmic_init);
/**
* tps6507x_pmic_cleanup
*
* Module exit function
*/
static void __exit tps6507x_pmic_cleanup(void)
{
platform_driver_unregister(&tps6507x_pmic_driver);

378
drivers/regulator/tps65217-regulator.c Normal file
View File

@ -0,0 +1,378 @@
/*
* tps65217-regulator.c
*
* Regulator driver for TPS65217 PMIC
*
* Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation version 2.
*
* This program is distributed "as is" WITHOUT ANY WARRANTY of any
* kind, whether express or implied; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/device.h>
#include <linux/init.h>
#include <linux/err.h>
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/mfd/tps65217.h>
#define TPS65217_REGULATOR(_name, _id, _ops, _n) \
{ \
.name = _name, \
.id = _id, \
.ops = &_ops, \
.n_voltages = _n, \
.type = REGULATOR_VOLTAGE, \
.owner = THIS_MODULE, \
} \
#define TPS65217_INFO(_nm, _min, _max, _f1, _f2, _t, _n, _em, _vr, _vm) \
{ \
.name = _nm, \
.min_uV = _min, \
.max_uV = _max, \
.vsel_to_uv = _f1, \
.uv_to_vsel = _f2, \
.table = _t, \
.table_len = _n, \
.enable_mask = _em, \
.set_vout_reg = _vr, \
.set_vout_mask = _vm, \
}
static const int LDO1_VSEL_table[] = {
1000000, 1100000, 1200000, 1250000,
1300000, 1350000, 1400000, 1500000,
1600000, 1800000, 2500000, 2750000,
2800000, 3000000, 3100000, 3300000,
};
static int tps65217_vsel_to_uv1(unsigned int vsel)
{
int uV = 0;
if (vsel > 63)
return -EINVAL;
if (vsel <= 24)
uV = vsel * 25000 + 900000;
else if (vsel <= 52)
uV = (vsel - 24) * 50000 + 1500000;
else if (vsel < 56)
uV = (vsel - 52) * 100000 + 2900000;
else
uV = 3300000;
return uV;
}
static int tps65217_uv_to_vsel1(int uV, unsigned int *vsel)
{
if ((uV < 0) && (uV > 3300000))
return -EINVAL;
if (uV <= 1500000)
*vsel = DIV_ROUND_UP(uV - 900000, 25000);
else if (uV <= 2900000)
*vsel = 24 + DIV_ROUND_UP(uV - 1500000, 50000);
else if (uV < 3300000)
*vsel = 52 + DIV_ROUND_UP(uV - 2900000, 100000);
else
*vsel = 56;
return 0;
}
static int tps65217_vsel_to_uv2(unsigned int vsel)
{
int uV = 0;
if (vsel > 31)
return -EINVAL;
if (vsel <= 8)
uV = vsel * 50000 + 1500000;
else if (vsel <= 13)
uV = (vsel - 8) * 100000 + 1900000;
else
uV = (vsel - 13) * 50000 + 2400000;
return uV;
}
static int tps65217_uv_to_vsel2(int uV, unsigned int *vsel)
{
if ((uV < 0) && (uV > 3300000))
return -EINVAL;
if (uV <= 1900000)
*vsel = DIV_ROUND_UP(uV - 1500000, 50000);
else if (uV <= 2400000)
*vsel = 8 + DIV_ROUND_UP(uV - 1900000, 100000);
else
*vsel = 13 + DIV_ROUND_UP(uV - 2400000, 50000);
return 0;
}
static struct tps_info tps65217_pmic_regs[] = {
TPS65217_INFO("DCDC1", 900000, 1800000, tps65217_vsel_to_uv1,
tps65217_uv_to_vsel1, NULL, 64, TPS65217_ENABLE_DC1_EN,
TPS65217_REG_DEFDCDC1, TPS65217_DEFDCDCX_DCDC_MASK),
TPS65217_INFO("DCDC2", 900000, 3300000, tps65217_vsel_to_uv1,
tps65217_uv_to_vsel1, NULL, 64, TPS65217_ENABLE_DC2_EN,
TPS65217_REG_DEFDCDC2, TPS65217_DEFDCDCX_DCDC_MASK),
TPS65217_INFO("DCDC3", 900000, 1500000, tps65217_vsel_to_uv1,
tps65217_uv_to_vsel1, NULL, 64, TPS65217_ENABLE_DC3_EN,
TPS65217_REG_DEFDCDC3, TPS65217_DEFDCDCX_DCDC_MASK),
TPS65217_INFO("LDO1", 1000000, 3300000, NULL, NULL, LDO1_VSEL_table,
16, TPS65217_ENABLE_LDO1_EN, TPS65217_REG_DEFLDO1,
TPS65217_DEFLDO1_LDO1_MASK),
TPS65217_INFO("LDO2", 900000, 3300000, tps65217_vsel_to_uv1,
tps65217_uv_to_vsel1, NULL, 64, TPS65217_ENABLE_LDO2_EN,
TPS65217_REG_DEFLDO2, TPS65217_DEFLDO2_LDO2_MASK),
TPS65217_INFO("LDO3", 1800000, 3300000, tps65217_vsel_to_uv2,
tps65217_uv_to_vsel2, NULL, 32,
TPS65217_ENABLE_LS1_EN | TPS65217_DEFLDO3_LDO3_EN,
TPS65217_REG_DEFLS1, TPS65217_DEFLDO3_LDO3_MASK),
TPS65217_INFO("LDO4", 1800000, 3300000, tps65217_vsel_to_uv2,
tps65217_uv_to_vsel2, NULL, 32,
TPS65217_ENABLE_LS2_EN | TPS65217_DEFLDO4_LDO4_EN,
TPS65217_REG_DEFLS2, TPS65217_DEFLDO4_LDO4_MASK),
};
static int tps65217_pmic_is_enabled(struct regulator_dev *dev)
{
int ret;
struct tps65217 *tps = rdev_get_drvdata(dev);
unsigned int data, rid = rdev_get_id(dev);
if (rid < TPS65217_DCDC_1 || rid > TPS65217_LDO_4)
return -EINVAL;
ret = tps65217_reg_read(tps, TPS65217_REG_ENABLE, &data);
if (ret)
return ret;
return (data & tps->info[rid]->enable_mask) ? 1 : 0;
}
static int tps65217_pmic_enable(struct regulator_dev *dev)
{
struct tps65217 *tps = rdev_get_drvdata(dev);
unsigned int rid = rdev_get_id(dev);
if (rid < TPS65217_DCDC_1 || rid > TPS65217_LDO_4)
return -EINVAL;
/* Enable the regulator and password protection is level 1 */
return tps65217_set_bits(tps, TPS65217_REG_ENABLE,
tps->info[rid]->enable_mask,
tps->info[rid]->enable_mask,
TPS65217_PROTECT_L1);
}
static int tps65217_pmic_disable(struct regulator_dev *dev)
{
struct tps65217 *tps = rdev_get_drvdata(dev);
unsigned int rid = rdev_get_id(dev);
if (rid < TPS65217_DCDC_1 || rid > TPS65217_LDO_4)
return -EINVAL;
/* Disable the regulator and password protection is level 1 */
return tps65217_clear_bits(tps, TPS65217_REG_ENABLE,
tps->info[rid]->enable_mask, TPS65217_PROTECT_L1);
}
static int tps65217_pmic_get_voltage_sel(struct regulator_dev *dev)
{
int ret;
struct tps65217 *tps = rdev_get_drvdata(dev);
unsigned int selector, rid = rdev_get_id(dev);
if (rid < TPS65217_DCDC_1 || rid > TPS65217_LDO_4)
return -EINVAL;
ret = tps65217_reg_read(tps, tps->info[rid]->set_vout_reg, &selector);
if (ret)
return ret;
selector &= tps->info[rid]->set_vout_mask;
return selector;
}
static int tps65217_pmic_ldo1_set_voltage_sel(struct regulator_dev *dev,
unsigned selector)
{
struct tps65217 *tps = rdev_get_drvdata(dev);
int ldo = rdev_get_id(dev);
if (ldo != TPS65217_LDO_1)
return -EINVAL;
if (selector >= tps->info[ldo]->table_len)
return -EINVAL;
/* Set the voltage based on vsel value and write protect level is 2 */
return tps65217_set_bits(tps, tps->info[ldo]->set_vout_reg,
tps->info[ldo]->set_vout_mask,
selector, TPS65217_PROTECT_L2);
}
static int tps65217_pmic_set_voltage(struct regulator_dev *dev,
int min_uV, int max_uV, unsigned *selector)
{
int ret;
struct tps65217 *tps = rdev_get_drvdata(dev);
unsigned int rid = rdev_get_id(dev);
/* LDO1 implements set_voltage_sel callback */
if (rid == TPS65217_LDO_1)
return -EINVAL;
if (rid < TPS65217_DCDC_1 || rid > TPS65217_LDO_4)
return -EINVAL;
if (min_uV < tps->info[rid]->min_uV
|| min_uV > tps->info[rid]->max_uV)
return -EINVAL;
if (max_uV < tps->info[rid]->min_uV
|| max_uV > tps->info[rid]->max_uV)
return -EINVAL;
ret = tps->info[rid]->uv_to_vsel(min_uV, selector);
if (ret)
return ret;
/* Set the voltage based on vsel value and write protect level is 2 */
ret = tps65217_set_bits(tps, tps->info[rid]->set_vout_reg,
tps->info[rid]->set_vout_mask,
*selector, TPS65217_PROTECT_L2);
/* Set GO bit for DCDCx to initiate voltage transistion */
switch (rid) {
case TPS65217_DCDC_1 ... TPS65217_DCDC_3:
ret = tps65217_set_bits(tps, TPS65217_REG_DEFSLEW,
TPS65217_DEFSLEW_GO, TPS65217_DEFSLEW_GO,
TPS65217_PROTECT_L2);
break;
}
return ret;
}
static int tps65217_pmic_list_voltage(struct regulator_dev *dev,
unsigned selector)
{
struct tps65217 *tps = rdev_get_drvdata(dev);
unsigned int rid = rdev_get_id(dev);
if (rid < TPS65217_DCDC_1 || rid > TPS65217_LDO_4)
return -EINVAL;
if (selector >= tps->info[rid]->table_len)
return -EINVAL;
if (tps->info[rid]->table)
return tps->info[rid]->table[selector];
return tps->info[rid]->vsel_to_uv(selector);
}
/* Operations permitted on DCDCx, LDO2, LDO3 and LDO4 */
static struct regulator_ops tps65217_pmic_ops = {
.is_enabled = tps65217_pmic_is_enabled,
.enable = tps65217_pmic_enable,
.disable = tps65217_pmic_disable,
.get_voltage_sel = tps65217_pmic_get_voltage_sel,
.set_voltage = tps65217_pmic_set_voltage,
.list_voltage = tps65217_pmic_list_voltage,
};
/* Operations permitted on LDO1 */
static struct regulator_ops tps65217_pmic_ldo1_ops = {
.is_enabled = tps65217_pmic_is_enabled,
.enable = tps65217_pmic_enable,
.disable = tps65217_pmic_disable,
.get_voltage_sel = tps65217_pmic_get_voltage_sel,
.set_voltage_sel = tps65217_pmic_ldo1_set_voltage_sel,
.list_voltage = tps65217_pmic_list_voltage,
};
static struct regulator_desc regulators[] = {
TPS65217_REGULATOR("DCDC1", TPS65217_DCDC_1, tps65217_pmic_ops, 64),
TPS65217_REGULATOR("DCDC2", TPS65217_DCDC_2, tps65217_pmic_ops, 64),
TPS65217_REGULATOR("DCDC3", TPS65217_DCDC_3, tps65217_pmic_ops, 64),
TPS65217_REGULATOR("LDO1", TPS65217_LDO_1, tps65217_pmic_ldo1_ops, 16),
TPS65217_REGULATOR("LDO2", TPS65217_LDO_2, tps65217_pmic_ops, 64),
TPS65217_REGULATOR("LDO3", TPS65217_LDO_3, tps65217_pmic_ops, 32),
TPS65217_REGULATOR("LDO4", TPS65217_LDO_4, tps65217_pmic_ops, 32),
};
static int __devinit tps65217_regulator_probe(struct platform_device *pdev)
{
struct regulator_dev *rdev;
struct tps65217 *tps;
struct tps_info *info = &tps65217_pmic_regs[pdev->id];
/* Already set by core driver */
tps = dev_to_tps65217(pdev->dev.parent);
tps->info[pdev->id] = info;
rdev = regulator_register(&regulators[pdev->id], &pdev->dev,
pdev->dev.platform_data, tps, NULL);
if (IS_ERR(rdev))
return PTR_ERR(rdev);
platform_set_drvdata(pdev, rdev);
return 0;
}
static int __devexit tps65217_regulator_remove(struct platform_device *pdev)
{
struct regulator_dev *rdev = platform_get_drvdata(pdev);
platform_set_drvdata(pdev, NULL);
regulator_unregister(rdev);
return 0;
}
static struct platform_driver tps65217_regulator_driver = {
.driver = {
.name = "tps65217-pmic",
},
.probe = tps65217_regulator_probe,
.remove = __devexit_p(tps65217_regulator_remove),
};
static int __init tps65217_regulator_init(void)
{
return platform_driver_register(&tps65217_regulator_driver);
}
subsys_initcall(tps65217_regulator_init);
static void __exit tps65217_regulator_exit(void)
{
platform_driver_unregister(&tps65217_regulator_driver);
}
module_exit(tps65217_regulator_exit);
MODULE_AUTHOR("AnilKumar Ch <anilkumar@ti.com>");
MODULE_DESCRIPTION("TPS65217 voltage regulator driver");
MODULE_ALIAS("platform:tps65217-pmic");
MODULE_LICENSE("GPL v2");

4
drivers/regulator/tps6524x-regulator.c
View File

@ -108,9 +108,7 @@
#define N_DCDC 3
#define N_LDO 2
#define N_SWITCH 2
#define N_REGULATORS (3 /* DCDC */ + \
2 /* LDO */ + \
2 /* switch */)
#define N_REGULATORS (N_DCDC + N_LDO + N_SWITCH)
#define FIXED_ILIMSEL BIT(0)
#define FIXED_VOLTAGE BIT(1)

2
drivers/regulator/tps6586x-regulator.c
View File

@ -383,7 +383,7 @@ static int __devinit tps6586x_regulator_probe(struct platform_device *pdev)
int id = pdev->id;
int err;
dev_dbg(&pdev->dev, "Probing reulator %d\n", id);
dev_dbg(&pdev->dev, "Probing regulator %d\n", id);
ri = find_regulator_info(id);
if (ri == NULL) {

398
drivers/regulator/tps65910-regulator.c
View File

@ -26,6 +26,10 @@
#include <linux/mfd/tps65910.h>
#define TPS65910_SUPPLY_STATE_ENABLED 0x1
#define EXT_SLEEP_CONTROL (TPS65910_SLEEP_CONTROL_EXT_INPUT_EN1 | \
TPS65910_SLEEP_CONTROL_EXT_INPUT_EN2 | \
TPS65910_SLEEP_CONTROL_EXT_INPUT_EN3 | \
TPS65911_SLEEP_CONTROL_EXT_INPUT_SLEEP)
/* supported VIO voltages in milivolts */
static const u16 VIO_VSEL_table[] = {
@ -83,161 +87,235 @@ struct tps_info {
const char *name;
unsigned min_uV;
unsigned max_uV;
u8 table_len;
const u16 *table;
u8 n_voltages;
const u16 *voltage_table;
int enable_time_us;
};
static struct tps_info tps65910_regs[] = {
{
.name = "VRTC",
.enable_time_us = 2200,
},
{
.name = "VIO",
.min_uV = 1500000,
.max_uV = 3300000,
.table_len = ARRAY_SIZE(VIO_VSEL_table),
.table = VIO_VSEL_table,
.n_voltages = ARRAY_SIZE(VIO_VSEL_table),
.voltage_table = VIO_VSEL_table,
.enable_time_us = 350,
},
{
.name = "VDD1",
.min_uV = 600000,
.max_uV = 4500000,
.enable_time_us = 350,
},
{
.name = "VDD2",
.min_uV = 600000,
.max_uV = 4500000,
.enable_time_us = 350,
},
{
.name = "VDD3",
.min_uV = 5000000,
.max_uV = 5000000,
.table_len = ARRAY_SIZE(VDD3_VSEL_table),
.table = VDD3_VSEL_table,
.n_voltages = ARRAY_SIZE(VDD3_VSEL_table),
.voltage_table = VDD3_VSEL_table,
.enable_time_us = 200,
},
{
.name = "VDIG1",
.min_uV = 1200000,
.max_uV = 2700000,
.table_len = ARRAY_SIZE(VDIG1_VSEL_table),
.table = VDIG1_VSEL_table,
.n_voltages = ARRAY_SIZE(VDIG1_VSEL_table),
.voltage_table = VDIG1_VSEL_table,
.enable_time_us = 100,
},
{
.name = "VDIG2",
.min_uV = 1000000,
.max_uV = 1800000,
.table_len = ARRAY_SIZE(VDIG2_VSEL_table),
.table = VDIG2_VSEL_table,
.n_voltages = ARRAY_SIZE(VDIG2_VSEL_table),
.voltage_table = VDIG2_VSEL_table,
.enable_time_us = 100,
},
{
.name = "VPLL",
.min_uV = 1000000,
.max_uV = 2500000,
.table_len = ARRAY_SIZE(VPLL_VSEL_table),
.table = VPLL_VSEL_table,
.n_voltages = ARRAY_SIZE(VPLL_VSEL_table),
.voltage_table = VPLL_VSEL_table,
.enable_time_us = 100,
},
{
.name = "VDAC",
.min_uV = 1800000,
.max_uV = 2850000,
.table_len = ARRAY_SIZE(VDAC_VSEL_table),
.table = VDAC_VSEL_table,
.n_voltages = ARRAY_SIZE(VDAC_VSEL_table),
.voltage_table = VDAC_VSEL_table,
.enable_time_us = 100,
},
{
.name = "VAUX1",
.min_uV = 1800000,
.max_uV = 2850000,
.table_len = ARRAY_SIZE(VAUX1_VSEL_table),
.table = VAUX1_VSEL_table,
.n_voltages = ARRAY_SIZE(VAUX1_VSEL_table),
.voltage_table = VAUX1_VSEL_table,
.enable_time_us = 100,
},
{
.name = "VAUX2",
.min_uV = 1800000,
.max_uV = 3300000,
.table_len = ARRAY_SIZE(VAUX2_VSEL_table),
.table = VAUX2_VSEL_table,
.n_voltages = ARRAY_SIZE(VAUX2_VSEL_table),
.voltage_table = VAUX2_VSEL_table,
.enable_time_us = 100,
},
{
.name = "VAUX33",
.min_uV = 1800000,
.max_uV = 3300000,
.table_len = ARRAY_SIZE(VAUX33_VSEL_table),
.table = VAUX33_VSEL_table,
.n_voltages = ARRAY_SIZE(VAUX33_VSEL_table),
.voltage_table = VAUX33_VSEL_table,
.enable_time_us = 100,
},
{
.name = "VMMC",
.min_uV = 1800000,
.max_uV = 3300000,
.table_len = ARRAY_SIZE(VMMC_VSEL_table),
.table = VMMC_VSEL_table,
.n_voltages = ARRAY_SIZE(VMMC_VSEL_table),
.voltage_table = VMMC_VSEL_table,
.enable_time_us = 100,
},
};
static struct tps_info tps65911_regs[] = {
{
.name = "VRTC",
.enable_time_us = 2200,
},
{
.name = "VIO",
.min_uV = 1500000,
.max_uV = 3300000,
.table_len = ARRAY_SIZE(VIO_VSEL_table),
.table = VIO_VSEL_table,
.n_voltages = ARRAY_SIZE(VIO_VSEL_table),
.voltage_table = VIO_VSEL_table,
.enable_time_us = 350,
},
{
.name = "VDD1",
.min_uV = 600000,
.max_uV = 4500000,
.n_voltages = 73,
.enable_time_us = 350,
},
{
.name = "VDD2",
.min_uV = 600000,
.max_uV = 4500000,
.n_voltages = 73,
.enable_time_us = 350,
},
{
.name = "VDDCTRL",
.min_uV = 600000,
.max_uV = 1400000,
.n_voltages = 65,
.enable_time_us = 900,
},
{
.name = "LDO1",
.min_uV = 1000000,
.max_uV = 3300000,
.n_voltages = 47,
.enable_time_us = 420,
},
{
.name = "LDO2",
.min_uV = 1000000,
.max_uV = 3300000,
.n_voltages = 47,
.enable_time_us = 420,
},
{
.name = "LDO3",
.min_uV = 1000000,
.max_uV = 3300000,
.n_voltages = 24,
.enable_time_us = 230,
},
{
.name = "LDO4",
.min_uV = 1000000,
.max_uV = 3300000,
.n_voltages = 47,
.enable_time_us = 230,
},
{
.name = "LDO5",
.min_uV = 1000000,
.max_uV = 3300000,
.n_voltages = 24,
.enable_time_us = 230,
},
{
.name = "LDO6",
.min_uV = 1000000,
.max_uV = 3300000,
.n_voltages = 24,
.enable_time_us = 230,
},
{
.name = "LDO7",
.min_uV = 1000000,
.max_uV = 3300000,
.n_voltages = 24,
.enable_time_us = 230,
},
{
.name = "LDO8",
.min_uV = 1000000,
.max_uV = 3300000,
.n_voltages = 24,
.enable_time_us = 230,
},
};
#define EXT_CONTROL_REG_BITS(id, regs_offs, bits) (((regs_offs) << 8) | (bits))
static unsigned int tps65910_ext_sleep_control[] = {
0,
EXT_CONTROL_REG_BITS(VIO, 1, 0),
EXT_CONTROL_REG_BITS(VDD1, 1, 1),
EXT_CONTROL_REG_BITS(VDD2, 1, 2),
EXT_CONTROL_REG_BITS(VDD3, 1, 3),
EXT_CONTROL_REG_BITS(VDIG1, 0, 1),
EXT_CONTROL_REG_BITS(VDIG2, 0, 2),
EXT_CONTROL_REG_BITS(VPLL, 0, 6),
EXT_CONTROL_REG_BITS(VDAC, 0, 7),
EXT_CONTROL_REG_BITS(VAUX1, 0, 3),
EXT_CONTROL_REG_BITS(VAUX2, 0, 4),
EXT_CONTROL_REG_BITS(VAUX33, 0, 5),
EXT_CONTROL_REG_BITS(VMMC, 0, 0),
};
static unsigned int tps65911_ext_sleep_control[] = {
0,
EXT_CONTROL_REG_BITS(VIO, 1, 0),
EXT_CONTROL_REG_BITS(VDD1, 1, 1),
EXT_CONTROL_REG_BITS(VDD2, 1, 2),
EXT_CONTROL_REG_BITS(VDDCTRL, 1, 3),
EXT_CONTROL_REG_BITS(LDO1, 0, 1),
EXT_CONTROL_REG_BITS(LDO2, 0, 2),
EXT_CONTROL_REG_BITS(LDO3, 0, 7),
EXT_CONTROL_REG_BITS(LDO4, 0, 6),
EXT_CONTROL_REG_BITS(LDO5, 0, 3),
EXT_CONTROL_REG_BITS(LDO6, 0, 0),
EXT_CONTROL_REG_BITS(LDO7, 0, 5),
EXT_CONTROL_REG_BITS(LDO8, 0, 4),
};
struct tps65910_reg {
struct regulator_desc *desc;
struct tps65910 *mfd;
@ -247,6 +325,8 @@ struct tps65910_reg {
int num_regulators;
int mode;
int (*get_ctrl_reg)(int);
unsigned int *ext_sleep_control;
unsigned int board_ext_control[TPS65910_NUM_REGS];
};
static inline int tps65910_read(struct tps65910_reg *pmic, u8 reg)
@ -429,6 +509,12 @@ static int tps65910_disable(struct regulator_dev *dev)
return tps65910_clear_bits(mfd, reg, TPS65910_SUPPLY_STATE_ENABLED);
}
static int tps65910_enable_time(struct regulator_dev *dev)
{
struct tps65910_reg *pmic = rdev_get_drvdata(dev);
int id = rdev_get_id(dev);
return pmic->info[id]->enable_time_us;
}
static int tps65910_set_mode(struct regulator_dev *dev, unsigned int mode)
{
@ -467,7 +553,7 @@ static unsigned int tps65910_get_mode(struct regulator_dev *dev)
if (value < 0)
return value;
if (value & LDO_ST_ON_BIT)
if (!(value & LDO_ST_ON_BIT))
return REGULATOR_MODE_STANDBY;
else if (value & LDO_ST_MODE_BIT)
return REGULATOR_MODE_IDLE;
@ -475,10 +561,10 @@ static unsigned int tps65910_get_mode(struct regulator_dev *dev)
return REGULATOR_MODE_NORMAL;
}
static int tps65910_get_voltage_dcdc(struct regulator_dev *dev)
static int tps65910_get_voltage_dcdc_sel(struct regulator_dev *dev)
{
struct tps65910_reg *pmic = rdev_get_drvdata(dev);
int id = rdev_get_id(dev), voltage = 0;
int id = rdev_get_id(dev);
int opvsel = 0, srvsel = 0, vselmax = 0, mult = 0, sr = 0;
switch (id) {
@ -522,9 +608,7 @@ static int tps65910_get_voltage_dcdc(struct regulator_dev *dev)
srvsel = 3;
if (srvsel > vselmax)
srvsel = vselmax;
srvsel -= 3;
voltage = (srvsel * VDD1_2_OFFSET + VDD1_2_MIN_VOLT) * 100;
return srvsel - 3;
} else {
/* normalise to valid range*/
@ -532,14 +616,9 @@ static int tps65910_get_voltage_dcdc(struct regulator_dev *dev)
opvsel = 3;
if (opvsel > vselmax)
opvsel = vselmax;
opvsel -= 3;
voltage = (opvsel * VDD1_2_OFFSET + VDD1_2_MIN_VOLT) * 100;
return opvsel - 3;
}
voltage *= mult;
return voltage;
return -EINVAL;
}
static int tps65910_get_voltage(struct regulator_dev *dev)
@ -572,7 +651,7 @@ static int tps65910_get_voltage(struct regulator_dev *dev)
return -EINVAL;
}
voltage = pmic->info[id]->table[value] * 1000;
voltage = pmic->info[id]->voltage_table[value] * 1000;
return voltage;
}
@ -622,8 +701,9 @@ static int tps65911_get_voltage(struct regulator_dev *dev)
step_mv = 100;
break;
case TPS65910_REG_VIO:
return pmic->info[id]->table[value] * 1000;
break;
value &= LDO_SEL_MASK;
value >>= LDO_SEL_SHIFT;
return pmic->info[id]->voltage_table[value] * 1000;
default:
return -EINVAL;
}
@ -631,8 +711,8 @@ static int tps65911_get_voltage(struct regulator_dev *dev)
return (LDO_MIN_VOLT + value * step_mv) * 1000;
}
static int tps65910_set_voltage_dcdc(struct regulator_dev *dev,
unsigned selector)
static int tps65910_set_voltage_dcdc_sel(struct regulator_dev *dev,
unsigned selector)
{
struct tps65910_reg *pmic = rdev_get_drvdata(dev);
int id = rdev_get_id(dev), vsel;
@ -669,7 +749,8 @@ static int tps65910_set_voltage_dcdc(struct regulator_dev *dev,
return 0;
}
static int tps65910_set_voltage(struct regulator_dev *dev, unsigned selector)
static int tps65910_set_voltage_sel(struct regulator_dev *dev,
unsigned selector)
{
struct tps65910_reg *pmic = rdev_get_drvdata(dev);
int reg, id = rdev_get_id(dev);
@ -695,7 +776,8 @@ static int tps65910_set_voltage(struct regulator_dev *dev, unsigned selector)
return -EINVAL;
}
static int tps65911_set_voltage(struct regulator_dev *dev, unsigned selector)
static int tps65911_set_voltage_sel(struct regulator_dev *dev,
unsigned selector)
{
struct tps65910_reg *pmic = rdev_get_drvdata(dev);
int reg, id = rdev_get_id(dev);
@ -715,9 +797,11 @@ static int tps65911_set_voltage(struct regulator_dev *dev, unsigned selector)
case TPS65911_REG_LDO6:
case TPS65911_REG_LDO7:
case TPS65911_REG_LDO8:
case TPS65910_REG_VIO:
return tps65910_modify_bits(pmic, reg,
(selector << LDO_SEL_SHIFT), LDO3_SEL_MASK);
case TPS65910_REG_VIO:
return tps65910_modify_bits(pmic, reg,
(selector << LDO_SEL_SHIFT), LDO_SEL_MASK);
}
return -EINVAL;
@ -756,10 +840,10 @@ static int tps65910_list_voltage(struct regulator_dev *dev,
if (id < TPS65910_REG_VIO || id > TPS65910_REG_VMMC)
return -EINVAL;
if (selector >= pmic->info[id]->table_len)
if (selector >= pmic->info[id]->n_voltages)
return -EINVAL;
else
voltage = pmic->info[id]->table[selector] * 1000;
voltage = pmic->info[id]->voltage_table[selector] * 1000;
return voltage;
}
@ -795,7 +879,7 @@ static int tps65911_list_voltage(struct regulator_dev *dev, unsigned selector)
step_mv = 100;
break;
case TPS65910_REG_VIO:
return pmic->info[id]->table[selector] * 1000;
return pmic->info[id]->voltage_table[selector] * 1000;
default:
return -EINVAL;
}
@ -803,15 +887,42 @@ static int tps65911_list_voltage(struct regulator_dev *dev, unsigned selector)
return (LDO_MIN_VOLT + selector * step_mv) * 1000;
}
static int tps65910_set_voltage_dcdc_time_sel(struct regulator_dev *dev,
unsigned int old_selector, unsigned int new_selector)
{
int id = rdev_get_id(dev);
int old_volt, new_volt;
old_volt = tps65910_list_voltage_dcdc(dev, old_selector);
if (old_volt < 0)
return old_volt;
new_volt = tps65910_list_voltage_dcdc(dev, new_selector);
if (new_volt < 0)
return new_volt;
/* VDD1 and VDD2 are 12.5mV/us, VDDCTRL is 100mV/20us */
switch (id) {
case TPS65910_REG_VDD1:
case TPS65910_REG_VDD2:
return DIV_ROUND_UP(abs(old_volt - new_volt), 12500);
case TPS65911_REG_VDDCTRL:
return DIV_ROUND_UP(abs(old_volt - new_volt), 5000);
}
return -EINVAL;
}
/* Regulator ops (except VRTC) */
static struct regulator_ops tps65910_ops_dcdc = {
.is_enabled = tps65910_is_enabled,
.enable = tps65910_enable,
.disable = tps65910_disable,
.enable_time = tps65910_enable_time,
.set_mode = tps65910_set_mode,
.get_mode = tps65910_get_mode,
.get_voltage = tps65910_get_voltage_dcdc,
.set_voltage_sel = tps65910_set_voltage_dcdc,
.get_voltage_sel = tps65910_get_voltage_dcdc_sel,
.set_voltage_sel = tps65910_set_voltage_dcdc_sel,
.set_voltage_time_sel = tps65910_set_voltage_dcdc_time_sel,
.list_voltage = tps65910_list_voltage_dcdc,
};
@ -819,6 +930,7 @@ static struct regulator_ops tps65910_ops_vdd3 = {
.is_enabled = tps65910_is_enabled,
.enable = tps65910_enable,
.disable = tps65910_disable,
.enable_time = tps65910_enable_time,
.set_mode = tps65910_set_mode,
.get_mode = tps65910_get_mode,
.get_voltage = tps65910_get_voltage_vdd3,
@ -829,10 +941,11 @@ static struct regulator_ops tps65910_ops = {
.is_enabled = tps65910_is_enabled,
.enable = tps65910_enable,
.disable = tps65910_disable,
.enable_time = tps65910_enable_time,
.set_mode = tps65910_set_mode,
.get_mode = tps65910_get_mode,
.get_voltage = tps65910_get_voltage,
.set_voltage_sel = tps65910_set_voltage,
.set_voltage_sel = tps65910_set_voltage_sel,
.list_voltage = tps65910_list_voltage,
};
@ -840,13 +953,147 @@ static struct regulator_ops tps65911_ops = {
.is_enabled = tps65910_is_enabled,
.enable = tps65910_enable,
.disable = tps65910_disable,
.enable_time = tps65910_enable_time,
.set_mode = tps65910_set_mode,
.get_mode = tps65910_get_mode,
.get_voltage = tps65911_get_voltage,
.set_voltage_sel = tps65911_set_voltage,
.set_voltage_sel = tps65911_set_voltage_sel,
.list_voltage = tps65911_list_voltage,
};
static int tps65910_set_ext_sleep_config(struct tps65910_reg *pmic,
int id, int ext_sleep_config)
{
struct tps65910 *mfd = pmic->mfd;
u8 regoffs = (pmic->ext_sleep_control[id] >> 8) & 0xFF;
u8 bit_pos = (1 << pmic->ext_sleep_control[id] & 0xFF);
int ret;
/*
* Regulator can not be control from multiple external input EN1, EN2
* and EN3 together.
*/
if (ext_sleep_config & EXT_SLEEP_CONTROL) {
int en_count;
en_count = ((ext_sleep_config &
TPS65910_SLEEP_CONTROL_EXT_INPUT_EN1) != 0);
en_count += ((ext_sleep_config &
TPS65910_SLEEP_CONTROL_EXT_INPUT_EN2) != 0);
en_count += ((ext_sleep_config &
TPS65910_SLEEP_CONTROL_EXT_INPUT_EN3) != 0);
en_count += ((ext_sleep_config &
TPS65911_SLEEP_CONTROL_EXT_INPUT_SLEEP) != 0);
if (en_count > 1) {
dev_err(mfd->dev,
"External sleep control flag is not proper\n");
return -EINVAL;
}
}
pmic->board_ext_control[id] = ext_sleep_config;
/* External EN1 control */
if (ext_sleep_config & TPS65910_SLEEP_CONTROL_EXT_INPUT_EN1)
ret = tps65910_set_bits(mfd,
TPS65910_EN1_LDO_ASS + regoffs, bit_pos);
else
ret = tps65910_clear_bits(mfd,
TPS65910_EN1_LDO_ASS + regoffs, bit_pos);
if (ret < 0) {
dev_err(mfd->dev,
"Error in configuring external control EN1\n");
return ret;
}
/* External EN2 control */
if (ext_sleep_config & TPS65910_SLEEP_CONTROL_EXT_INPUT_EN2)
ret = tps65910_set_bits(mfd,
TPS65910_EN2_LDO_ASS + regoffs, bit_pos);
else
ret = tps65910_clear_bits(mfd,
TPS65910_EN2_LDO_ASS + regoffs, bit_pos);
if (ret < 0) {
dev_err(mfd->dev,
"Error in configuring external control EN2\n");
return ret;
}
/* External EN3 control for TPS65910 LDO only */
if ((tps65910_chip_id(mfd) == TPS65910) &&
(id >= TPS65910_REG_VDIG1)) {
if (ext_sleep_config & TPS65910_SLEEP_CONTROL_EXT_INPUT_EN3)
ret = tps65910_set_bits(mfd,
TPS65910_EN3_LDO_ASS + regoffs, bit_pos);
else
ret = tps65910_clear_bits(mfd,
TPS65910_EN3_LDO_ASS + regoffs, bit_pos);
if (ret < 0) {
dev_err(mfd->dev,
"Error in configuring external control EN3\n");
return ret;
}
}
/* Return if no external control is selected */
if (!(ext_sleep_config & EXT_SLEEP_CONTROL)) {
/* Clear all sleep controls */
ret = tps65910_clear_bits(mfd,
TPS65910_SLEEP_KEEP_LDO_ON + regoffs, bit_pos);
if (!ret)
ret = tps65910_clear_bits(mfd,
TPS65910_SLEEP_SET_LDO_OFF + regoffs, bit_pos);
if (ret < 0)
dev_err(mfd->dev,
"Error in configuring SLEEP register\n");
return ret;
}
/*
* For regulator that has separate operational and sleep register make
* sure that operational is used and clear sleep register to turn
* regulator off when external control is inactive
*/
if ((id == TPS65910_REG_VDD1) ||
(id == TPS65910_REG_VDD2) ||
((id == TPS65911_REG_VDDCTRL) &&
(tps65910_chip_id(mfd) == TPS65911))) {
int op_reg_add = pmic->get_ctrl_reg(id) + 1;
int sr_reg_add = pmic->get_ctrl_reg(id) + 2;
int opvsel = tps65910_reg_read(pmic, op_reg_add);
int srvsel = tps65910_reg_read(pmic, sr_reg_add);
if (opvsel & VDD1_OP_CMD_MASK) {
u8 reg_val = srvsel & VDD1_OP_SEL_MASK;
ret = tps65910_reg_write(pmic, op_reg_add, reg_val);
if (ret < 0) {
dev_err(mfd->dev,
"Error in configuring op register\n");
return ret;
}
}
ret = tps65910_reg_write(pmic, sr_reg_add, 0);
if (ret < 0) {
dev_err(mfd->dev, "Error in settting sr register\n");
return ret;
}
}
ret = tps65910_clear_bits(mfd,
TPS65910_SLEEP_KEEP_LDO_ON + regoffs, bit_pos);
if (!ret) {
if (ext_sleep_config & TPS65911_SLEEP_CONTROL_EXT_INPUT_SLEEP)
ret = tps65910_set_bits(mfd,
TPS65910_SLEEP_SET_LDO_OFF + regoffs, bit_pos);
else
ret = tps65910_clear_bits(mfd,
TPS65910_SLEEP_SET_LDO_OFF + regoffs, bit_pos);
}
if (ret < 0)
dev_err(mfd->dev,
"Error in configuring SLEEP register\n");
return ret;
}
static __devinit int tps65910_probe(struct platform_device *pdev)
{
struct tps65910 *tps65910 = dev_get_drvdata(pdev->dev.parent);
@ -877,11 +1124,13 @@ static __devinit int tps65910_probe(struct platform_device *pdev)
case TPS65910:
pmic->get_ctrl_reg = &tps65910_get_ctrl_register;
pmic->num_regulators = ARRAY_SIZE(tps65910_regs);
pmic->ext_sleep_control = tps65910_ext_sleep_control;
info = tps65910_regs;
break;
case TPS65911:
pmic->get_ctrl_reg = &tps65911_get_ctrl_register;
pmic->num_regulators = ARRAY_SIZE(tps65911_regs);
pmic->ext_sleep_control = tps65911_ext_sleep_control;
info = tps65911_regs;
break;
default:
@ -926,7 +1175,7 @@ static __devinit int tps65910_probe(struct platform_device *pdev)
pmic->desc[i].name = info->name;
pmic->desc[i].id = i;
pmic->desc[i].n_voltages = info->table_len;
pmic->desc[i].n_voltages = info->n_voltages;
if (i == TPS65910_REG_VDD1 || i == TPS65910_REG_VDD2) {
pmic->desc[i].ops = &tps65910_ops_dcdc;
@ -944,6 +1193,16 @@ static __devinit int tps65910_probe(struct platform_device *pdev)
pmic->desc[i].ops = &tps65911_ops;
}
err = tps65910_set_ext_sleep_config(pmic, i,
pmic_plat_data->regulator_ext_sleep_control[i]);
/*
* Failing on regulator for configuring externally control
* is not a serious issue, just throw warning.
*/
if (err < 0)
dev_warn(tps65910->dev,
"Failed to initialise ext control config\n");
pmic->desc[i].type = REGULATOR_VOLTAGE;
pmic->desc[i].owner = THIS_MODULE;
@ -990,6 +1249,36 @@ static int __devexit tps65910_remove(struct platform_device *pdev)
return 0;
}
static void tps65910_shutdown(struct platform_device *pdev)
{
struct tps65910_reg *pmic = platform_get_drvdata(pdev);
int i;
/*
* Before bootloader jumps to kernel, it makes sure that required
* external control signals are in desired state so that given rails
* can be configure accordingly.
* If rails are configured to be controlled from external control
* then before shutting down/rebooting the system, the external
* control configuration need to be remove from the rails so that
* its output will be available as per register programming even
* if external controls are removed. This is require when the POR
* value of the control signals are not in active state and before
* bootloader initializes it, the system requires the rail output
* to be active for booting.
*/
for (i = 0; i < pmic->num_regulators; i++) {
int err;
if (!pmic->rdev[i])
continue;
err = tps65910_set_ext_sleep_config(pmic, i, 0);
if (err < 0)
dev_err(&pdev->dev,
"Error in clearing external control\n");
}
}
static struct platform_driver tps65910_driver = {
.driver = {
.name = "tps65910-pmic",
@ -997,6 +1286,7 @@ static struct platform_driver tps65910_driver = {
},
.probe = tps65910_probe,
.remove = __devexit_p(tps65910_remove),
.shutdown = tps65910_shutdown,
};
static int __init tps65910_init(void)
@ -1012,6 +1302,6 @@ static void __exit tps65910_cleanup(void)
module_exit(tps65910_cleanup);
MODULE_AUTHOR("Graeme Gregory <gg@slimlogic.co.uk>");
MODULE_DESCRIPTION("TPS6507x voltage regulator driver");
MODULE_DESCRIPTION("TPS65910/TPS65911 voltage regulator driver");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:tps65910-pmic");

382
drivers/regulator/tps65912-regulator.c
View File

@ -114,10 +114,7 @@ struct tps65912_reg {
struct mutex io_lock;
int mode;
int (*get_ctrl_reg)(int);
int dcdc1_range;
int dcdc2_range;
int dcdc3_range;
int dcdc4_range;
int dcdc_range[TPS65912_NUM_DCDC];
int pwm_mode_reg;
int eco_reg;
};
@ -125,46 +122,31 @@ struct tps65912_reg {
static int tps65912_get_range(struct tps65912_reg *pmic, int id)
{
struct tps65912 *mfd = pmic->mfd;
if (id > TPS65912_REG_DCDC4)
return 0;
int range;
switch (id) {
case TPS65912_REG_DCDC1:
pmic->dcdc1_range = tps65912_reg_read(mfd,
TPS65912_DCDC1_LIMIT);
if (pmic->dcdc1_range < 0)
return pmic->dcdc1_range;
pmic->dcdc1_range = (pmic->dcdc1_range &
DCDC_LIMIT_RANGE_MASK) >> DCDC_LIMIT_RANGE_SHIFT;
return pmic->dcdc1_range;
range = tps65912_reg_read(mfd, TPS65912_DCDC1_LIMIT);
break;
case TPS65912_REG_DCDC2:
pmic->dcdc2_range = tps65912_reg_read(mfd,
TPS65912_DCDC2_LIMIT);
if (pmic->dcdc2_range < 0)
return pmic->dcdc2_range;
pmic->dcdc2_range = (pmic->dcdc2_range &
DCDC_LIMIT_RANGE_MASK) >> DCDC_LIMIT_RANGE_SHIFT;
return pmic->dcdc2_range;
range = tps65912_reg_read(mfd, TPS65912_DCDC2_LIMIT);
break;
case TPS65912_REG_DCDC3:
pmic->dcdc3_range = tps65912_reg_read(mfd,
TPS65912_DCDC3_LIMIT);
if (pmic->dcdc3_range < 0)
return pmic->dcdc3_range;
pmic->dcdc3_range = (pmic->dcdc3_range &
DCDC_LIMIT_RANGE_MASK) >> DCDC_LIMIT_RANGE_SHIFT;
return pmic->dcdc3_range;
range = tps65912_reg_read(mfd, TPS65912_DCDC3_LIMIT);
break;
case TPS65912_REG_DCDC4:
pmic->dcdc4_range = tps65912_reg_read(mfd,
TPS65912_DCDC4_LIMIT);
if (pmic->dcdc4_range < 0)
return pmic->dcdc4_range;
pmic->dcdc4_range = (pmic->dcdc4_range &
DCDC_LIMIT_RANGE_MASK) >> DCDC_LIMIT_RANGE_SHIFT;
return pmic->dcdc4_range;
range = tps65912_reg_read(mfd, TPS65912_DCDC4_LIMIT);
break;
default:
return 0;
}
if (range >= 0)
range = (range & DCDC_LIMIT_RANGE_MASK)
>> DCDC_LIMIT_RANGE_SHIFT;
pmic->dcdc_range[id] = range;
return range;
}
static unsigned long tps65912_vsel_to_uv_range0(u8 vsel)
@ -219,146 +201,30 @@ static unsigned long tps65912_vsel_to_uv_ldo(u8 vsel)
static int tps65912_get_ctrl_register(int id)
{
switch (id) {
case TPS65912_REG_DCDC1:
return TPS65912_DCDC1_AVS;
case TPS65912_REG_DCDC2:
return TPS65912_DCDC2_AVS;
case TPS65912_REG_DCDC3:
return TPS65912_DCDC3_AVS;
case TPS65912_REG_DCDC4:
return TPS65912_DCDC4_AVS;
case TPS65912_REG_LDO1:
return TPS65912_LDO1_AVS;
case TPS65912_REG_LDO2:
return TPS65912_LDO2_AVS;
case TPS65912_REG_LDO3:
return TPS65912_LDO3_AVS;
case TPS65912_REG_LDO4:
return TPS65912_LDO4_AVS;
case TPS65912_REG_LDO5:
return TPS65912_LDO5;
case TPS65912_REG_LDO6:
return TPS65912_LDO6;
case TPS65912_REG_LDO7:
return TPS65912_LDO7;
case TPS65912_REG_LDO8:
return TPS65912_LDO8;
case TPS65912_REG_LDO9:
return TPS65912_LDO9;
case TPS65912_REG_LDO10:
return TPS65912_LDO10;
default:
if (id >= TPS65912_REG_DCDC1 && id <= TPS65912_REG_LDO4)
return id * 3 + TPS65912_DCDC1_AVS;
else if (id >= TPS65912_REG_LDO5 && id <= TPS65912_REG_LDO10)
return id - TPS65912_REG_LDO5 + TPS65912_LDO5;
else
return -EINVAL;
}
}
static int tps65912_get_dcdc_sel_register(struct tps65912_reg *pmic, int id)
static int tps65912_get_sel_register(struct tps65912_reg *pmic, int id)
{
struct tps65912 *mfd = pmic->mfd;
int opvsel = 0, sr = 0;
int opvsel;
u8 reg = 0;
if (id < TPS65912_REG_DCDC1 || id > TPS65912_REG_DCDC4)
if (id >= TPS65912_REG_DCDC1 && id <= TPS65912_REG_LDO4) {
opvsel = tps65912_reg_read(mfd, id * 3 + TPS65912_DCDC1_OP);
if (opvsel & OP_SELREG_MASK)
reg = id * 3 + TPS65912_DCDC1_AVS;
else
reg = id * 3 + TPS65912_DCDC1_OP;
} else if (id >= TPS65912_REG_LDO5 && id <= TPS65912_REG_LDO10) {
reg = id - TPS65912_REG_LDO5 + TPS65912_LDO5;
} else {
return -EINVAL;
switch (id) {
case TPS65912_REG_DCDC1:
opvsel = tps65912_reg_read(mfd, TPS65912_DCDC1_OP);
sr = ((opvsel & OP_SELREG_MASK) >> OP_SELREG_SHIFT);
if (sr)
reg = TPS65912_DCDC1_AVS;
else
reg = TPS65912_DCDC1_OP;
break;
case TPS65912_REG_DCDC2:
opvsel = tps65912_reg_read(mfd, TPS65912_DCDC2_OP);
sr = (opvsel & OP_SELREG_MASK) >> OP_SELREG_SHIFT;
if (sr)
reg = TPS65912_DCDC2_AVS;
else
reg = TPS65912_DCDC2_OP;
break;
case TPS65912_REG_DCDC3:
opvsel = tps65912_reg_read(mfd, TPS65912_DCDC3_OP);
sr = (opvsel & OP_SELREG_MASK) >> OP_SELREG_SHIFT;
if (sr)
reg = TPS65912_DCDC3_AVS;
else
reg = TPS65912_DCDC3_OP;
break;
case TPS65912_REG_DCDC4:
opvsel = tps65912_reg_read(mfd, TPS65912_DCDC4_OP);
sr = (opvsel & OP_SELREG_MASK) >> OP_SELREG_SHIFT;
if (sr)
reg = TPS65912_DCDC4_AVS;
else
reg = TPS65912_DCDC4_OP;
break;
}
return reg;
}
static int tps65912_get_ldo_sel_register(struct tps65912_reg *pmic, int id)
{
struct tps65912 *mfd = pmic->mfd;
int opvsel = 0, sr = 0;
u8 reg = 0;
if (id < TPS65912_REG_LDO1 || id > TPS65912_REG_LDO10)
return -EINVAL;
switch (id) {
case TPS65912_REG_LDO1:
opvsel = tps65912_reg_read(mfd, TPS65912_LDO1_OP);
sr = (opvsel & OP_SELREG_MASK) >> OP_SELREG_SHIFT;
if (sr)
reg = TPS65912_LDO1_AVS;
else
reg = TPS65912_LDO1_OP;
break;
case TPS65912_REG_LDO2:
opvsel = tps65912_reg_read(mfd, TPS65912_LDO2_OP);
sr = (opvsel & OP_SELREG_MASK) >> OP_SELREG_SHIFT;
if (sr)
reg = TPS65912_LDO2_AVS;
else
reg = TPS65912_LDO2_OP;
break;
case TPS65912_REG_LDO3:
opvsel = tps65912_reg_read(mfd, TPS65912_LDO3_OP);
sr = (opvsel & OP_SELREG_MASK) >> OP_SELREG_SHIFT;
if (sr)
reg = TPS65912_LDO3_AVS;
else
reg = TPS65912_LDO3_OP;
break;
case TPS65912_REG_LDO4:
opvsel = tps65912_reg_read(mfd, TPS65912_LDO4_OP);
sr = (opvsel & OP_SELREG_MASK) >> OP_SELREG_SHIFT;
if (sr)
reg = TPS65912_LDO4_AVS;
else
reg = TPS65912_LDO4_OP;
break;
case TPS65912_REG_LDO5:
reg = TPS65912_LDO5;
break;
case TPS65912_REG_LDO6:
reg = TPS65912_LDO6;
break;
case TPS65912_REG_LDO7:
reg = TPS65912_LDO7;
break;
case TPS65912_REG_LDO8:
reg = TPS65912_LDO8;
break;
case TPS65912_REG_LDO9:
reg = TPS65912_LDO9;
break;
case TPS65912_REG_LDO10:
reg = TPS65912_LDO10;
break;
}
return reg;
@ -506,131 +372,16 @@ static unsigned int tps65912_get_mode(struct regulator_dev *dev)
return mode;
}
static int tps65912_get_voltage_dcdc(struct regulator_dev *dev)
{
struct tps65912_reg *pmic = rdev_get_drvdata(dev);
struct tps65912 *mfd = pmic->mfd;
int id = rdev_get_id(dev), voltage = 0, range;
int opvsel = 0, avsel = 0, sr, vsel;
switch (id) {
case TPS65912_REG_DCDC1:
opvsel = tps65912_reg_read(mfd, TPS65912_DCDC1_OP);
avsel = tps65912_reg_read(mfd, TPS65912_DCDC1_AVS);
range = pmic->dcdc1_range;
break;
case TPS65912_REG_DCDC2:
opvsel = tps65912_reg_read(mfd, TPS65912_DCDC2_OP);
avsel = tps65912_reg_read(mfd, TPS65912_DCDC2_AVS);
range = pmic->dcdc2_range;
break;
case TPS65912_REG_DCDC3:
opvsel = tps65912_reg_read(mfd, TPS65912_DCDC3_OP);
avsel = tps65912_reg_read(mfd, TPS65912_DCDC3_AVS);
range = pmic->dcdc3_range;
break;
case TPS65912_REG_DCDC4:
opvsel = tps65912_reg_read(mfd, TPS65912_DCDC4_OP);
avsel = tps65912_reg_read(mfd, TPS65912_DCDC4_AVS);
range = pmic->dcdc4_range;
break;
default:
return -EINVAL;
}
sr = (opvsel & OP_SELREG_MASK) >> OP_SELREG_SHIFT;
if (sr)
vsel = avsel;
else
vsel = opvsel;
vsel &= 0x3F;
switch (range) {
case 0:
/* 0.5 - 1.2875V in 12.5mV steps */
voltage = tps65912_vsel_to_uv_range0(vsel);
break;
case 1:
/* 0.7 - 1.4875V in 12.5mV steps */
voltage = tps65912_vsel_to_uv_range1(vsel);
break;
case 2:
/* 0.5 - 2.075V in 25mV steps */
voltage = tps65912_vsel_to_uv_range2(vsel);
break;
case 3:
/* 0.5 - 3.8V in 50mV steps */
voltage = tps65912_vsel_to_uv_range3(vsel);
break;
}
return voltage;
}
static int tps65912_set_voltage_dcdc(struct regulator_dev *dev,
unsigned selector)
{
struct tps65912_reg *pmic = rdev_get_drvdata(dev);
struct tps65912 *mfd = pmic->mfd;
int id = rdev_get_id(dev);
int value;
u8 reg;
reg = tps65912_get_dcdc_sel_register(pmic, id);
value = tps65912_reg_read(mfd, reg);
value &= 0xC0;
return tps65912_reg_write(mfd, reg, selector | value);
}
static int tps65912_get_voltage_ldo(struct regulator_dev *dev)
{
struct tps65912_reg *pmic = rdev_get_drvdata(dev);
struct tps65912 *mfd = pmic->mfd;
int id = rdev_get_id(dev);
int vsel = 0;
u8 reg;
reg = tps65912_get_ldo_sel_register(pmic, id);
vsel = tps65912_reg_read(mfd, reg);
vsel &= 0x3F;
return tps65912_vsel_to_uv_ldo(vsel);
}
static int tps65912_set_voltage_ldo(struct regulator_dev *dev,
unsigned selector)
{
struct tps65912_reg *pmic = rdev_get_drvdata(dev);
struct tps65912 *mfd = pmic->mfd;
int id = rdev_get_id(dev), reg, value;
reg = tps65912_get_ldo_sel_register(pmic, id);
value = tps65912_reg_read(mfd, reg);
value &= 0xC0;
return tps65912_reg_write(mfd, reg, selector | value);
}
static int tps65912_list_voltage_dcdc(struct regulator_dev *dev,
unsigned selector)
{
struct tps65912_reg *pmic = rdev_get_drvdata(dev);
int range, voltage = 0, id = rdev_get_id(dev);
switch (id) {
case TPS65912_REG_DCDC1:
range = pmic->dcdc1_range;
break;
case TPS65912_REG_DCDC2:
range = pmic->dcdc2_range;
break;
case TPS65912_REG_DCDC3:
range = pmic->dcdc3_range;
break;
case TPS65912_REG_DCDC4:
range = pmic->dcdc4_range;
break;
default:
if (id > TPS65912_REG_DCDC4)
return -EINVAL;
}
range = pmic->dcdc_range[id];
switch (range) {
case 0:
@ -653,6 +404,53 @@ static int tps65912_list_voltage_dcdc(struct regulator_dev *dev,
return voltage;
}
static int tps65912_get_voltage_dcdc(struct regulator_dev *dev)
{
struct tps65912_reg *pmic = rdev_get_drvdata(dev);
struct tps65912 *mfd = pmic->mfd;
int id = rdev_get_id(dev);
int reg, vsel;
reg = tps65912_get_sel_register(pmic, id);
if (reg < 0)
return reg;
vsel = tps65912_reg_read(mfd, reg);
vsel &= 0x3F;
return tps65912_list_voltage_dcdc(dev, vsel);
}
static int tps65912_set_voltage_sel(struct regulator_dev *dev,
unsigned selector)
{
struct tps65912_reg *pmic = rdev_get_drvdata(dev);
struct tps65912 *mfd = pmic->mfd;
int id = rdev_get_id(dev);
int value;
u8 reg;
reg = tps65912_get_sel_register(pmic, id);
value = tps65912_reg_read(mfd, reg);
value &= 0xC0;
return tps65912_reg_write(mfd, reg, selector | value);
}
static int tps65912_get_voltage_ldo(struct regulator_dev *dev)
{
struct tps65912_reg *pmic = rdev_get_drvdata(dev);
struct tps65912 *mfd = pmic->mfd;
int id = rdev_get_id(dev);
int vsel = 0;
u8 reg;
reg = tps65912_get_sel_register(pmic, id);
vsel = tps65912_reg_read(mfd, reg);
vsel &= 0x3F;
return tps65912_vsel_to_uv_ldo(vsel);
}
static int tps65912_list_voltage_ldo(struct regulator_dev *dev,
unsigned selector)
{
@ -672,7 +470,7 @@ static struct regulator_ops tps65912_ops_dcdc = {
.set_mode = tps65912_set_mode,
.get_mode = tps65912_get_mode,
.get_voltage = tps65912_get_voltage_dcdc,
.set_voltage_sel = tps65912_set_voltage_dcdc,
.set_voltage_sel = tps65912_set_voltage_sel,
.list_voltage = tps65912_list_voltage_dcdc,
};
@ -682,7 +480,7 @@ static struct regulator_ops tps65912_ops_ldo = {
.enable = tps65912_reg_enable,
.disable = tps65912_reg_disable,
.get_voltage = tps65912_get_voltage_ldo,
.set_voltage_sel = tps65912_set_voltage_ldo,
.set_voltage_sel = tps65912_set_voltage_sel,
.list_voltage = tps65912_list_voltage_ldo,
};
@ -770,22 +568,12 @@ static struct platform_driver tps65912_driver = {
.remove = __devexit_p(tps65912_remove),
};
/**
* tps65912_init
*
* Module init function
*/
static int __init tps65912_init(void)
{
return platform_driver_register(&tps65912_driver);
}
subsys_initcall(tps65912_init);
/**
* tps65912_cleanup
*
* Module exit function
*/
static void __exit tps65912_cleanup(void)
{
platform_driver_unregister(&tps65912_driver);

6
drivers/regulator/wm8350-regulator.c
View File

@ -186,7 +186,7 @@ static int wm8350_isink_get_current(struct regulator_dev *rdev)
return 0;
}
return (isink_cur[val] + 50) / 100;
return DIV_ROUND_CLOSEST(isink_cur[val], 100);
}
/* turn on ISINK followed by DCDC */
@ -1544,7 +1544,7 @@ int wm8350_register_led(struct wm8350 *wm8350, int lednum, int dcdc, int isink,
return -ENOMEM;
}
led->isink_consumer.dev = &pdev->dev;
led->isink_consumer.dev_name = dev_name(&pdev->dev);
led->isink_consumer.supply = "led_isink";
led->isink_init.num_consumer_supplies = 1;
led->isink_init.consumer_supplies = &led->isink_consumer;
@ -1559,7 +1559,7 @@ int wm8350_register_led(struct wm8350 *wm8350, int lednum, int dcdc, int isink,
return ret;
}
led->dcdc_consumer.dev = &pdev->dev;
led->dcdc_consumer.dev_name = dev_name(&pdev->dev);
led->dcdc_consumer.supply = "led_vcc";
led->dcdc_init.num_consumer_supplies = 1;
led->dcdc_init.consumer_supplies = &led->dcdc_consumer;

6
drivers/regulator/wm8400-regulator.c
View File

@ -78,14 +78,14 @@ static int wm8400_ldo_set_voltage(struct regulator_dev *dev,
if (min_uV < 1700000) {
/* Steps of 50mV from 900mV; */
val = (min_uV - 850001) / 50000;
val = DIV_ROUND_UP(min_uV - 900000, 50000);
if ((val * 50000) + 900000 > max_uV)
return -EINVAL;
BUG_ON((val * 50000) + 900000 < min_uV);
} else {
/* Steps of 100mV from 1700mV */
val = ((min_uV - 1600001) / 100000);
val = DIV_ROUND_UP(min_uV - 1700000, 100000);
if ((val * 100000) + 1700000 > max_uV)
return -EINVAL;
@ -168,7 +168,7 @@ static int wm8400_dcdc_set_voltage(struct regulator_dev *dev,
if (min_uV < 850000)
return -EINVAL;
val = (min_uV - 825001) / 25000;
val = DIV_ROUND_UP(min_uV - 850000, 25000);
if (850000 + (25000 * val) > max_uV)
return -EINVAL;

4
drivers/regulator/wm8994-regulator.c
View File

@ -241,7 +241,7 @@ static __devinit int wm8994_ldo_probe(struct platform_device *pdev)
if (!pdata)
return -ENODEV;
ldo = kzalloc(sizeof(struct wm8994_ldo), GFP_KERNEL);
ldo = devm_kzalloc(&pdev->dev, sizeof(struct wm8994_ldo), GFP_KERNEL);
if (ldo == NULL) {
dev_err(&pdev->dev, "Unable to allocate private data\n");
return -ENOMEM;
@ -285,7 +285,6 @@ err_gpio:
if (gpio_is_valid(ldo->enable))
gpio_free(ldo->enable);
err:
kfree(ldo);
return ret;
}
@ -298,7 +297,6 @@ static __devexit int wm8994_ldo_remove(struct platform_device *pdev)
regulator_unregister(ldo->regulator);
if (gpio_is_valid(ldo->enable))
gpio_free(ldo->enable);
kfree(ldo);
return 0;
}

7
include/linux/mfd/tps65910.h
View File

@ -768,6 +768,12 @@
/* Max number of TPS65910/11 regulators */
#define TPS65910_NUM_REGS 13
/* External sleep controls through EN1/EN2/EN3/SLEEP inputs */
#define TPS65910_SLEEP_CONTROL_EXT_INPUT_EN1 0x1
#define TPS65910_SLEEP_CONTROL_EXT_INPUT_EN2 0x2
#define TPS65910_SLEEP_CONTROL_EXT_INPUT_EN3 0x4
#define TPS65911_SLEEP_CONTROL_EXT_INPUT_SLEEP 0x8
/**
* struct tps65910_board
* Board platform data may be used to initialize regulators.
@ -779,6 +785,7 @@ struct tps65910_board {
int irq_base;
int vmbch_threshold;
int vmbch2_threshold;
unsigned long regulator_ext_sleep_control[TPS65910_NUM_REGS];
struct regulator_init_data *tps65910_pmic_init_data[TPS65910_NUM_REGS];
};

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/*
* tps62360.h -- TI tps62360
*
* Interface for regulator driver for TI TPS62360 Processor core supply
*
* Copyright (C) 2012 NVIDIA Corporation
* Author: Laxman Dewangan <ldewangan@nvidia.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef __LINUX_REGULATOR_TPS62360_H
#define __LINUX_REGULATOR_TPS62360_H
#include <linux/regulator/machine.h>
/*
* struct tps62360_regulator_platform_data - tps62360 regulator platform data.
*
* @reg_init_data: The regulator init data.
* @en_force_pwm: Enable force pwm or not.
* @en_discharge: Enable discharge the output capacitor via internal
* register.
* @en_internal_pulldn: internal pull down enable or not.
* @vsel0_gpio: Gpio number for vsel0. It should be -1 if this is tied with
* fixed logic.
* @vsel1_gpio: Gpio number for vsel1. It should be -1 if this is tied with
* fixed logic.
* @vsel0_def_state: Default state of vsel0. 1 if it is high else 0.
* @vsel1_def_state: Default state of vsel1. 1 if it is high else 0.
*/
struct tps62360_regulator_platform_data {
struct regulator_init_data reg_init_data;
bool en_force_pwm;
bool en_discharge;
bool en_internal_pulldn;
int vsel0_gpio;
int vsel1_gpio;
int vsel0_def_state;
int vsel1_def_state;
};
#endif /* __LINUX_REGULATOR_TPS62360_H */