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Commit 62696579 authored by Mark Brown's avatar Mark Brown
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Merge remote-tracking branch 'regulator/topic/da9063' into regulator-next

parents 1ad13028 632b3d62
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drivers/regulator/Kconfig
View file @ 62696579
......@@ -157,6 +157,26 @@ config REGULATOR_DA9055
This driver can also be built as a module. If so, the module
will be called da9055-regulator.
config REGULATOR_DA9063
tristate "Dialog Semiconductor DA9063 regulators"
depends on MFD_DA9063
help
Say y here to support the BUCKs and LDOs regulators found on
DA9063 PMICs.
This driver can also be built as a module. If so, the module
will be called da9063-regulator.
config REGULATOR_DA9210
tristate "Dialog Semiconductor DA9210 regulator"
depends on I2C
select REGMAP_I2C
help
Say y here to support for the Dialog Semiconductor DA9210.
The DA9210 is a multi-phase synchronous step down
converter 12A DC-DC Buck controlled through an I2C
interface.
config REGULATOR_DBX500_PRCMU
bool
......
drivers/regulator/Makefile
View file @ 62696579
......@@ -21,6 +21,8 @@ obj-$(CONFIG_REGULATOR_AS3711) += as3711-regulator.o
obj-$(CONFIG_REGULATOR_DA903X) += da903x.o
obj-$(CONFIG_REGULATOR_DA9052) += da9052-regulator.o
obj-$(CONFIG_REGULATOR_DA9055) += da9055-regulator.o
obj-$(CONFIG_REGULATOR_DA9063) += da9063-regulator.o
obj-$(CONFIG_REGULATOR_DA9210) += da9210-regulator.o
obj-$(CONFIG_REGULATOR_DBX500_PRCMU) += dbx500-prcmu.o
obj-$(CONFIG_REGULATOR_DB8500_PRCMU) += db8500-prcmu.o
obj-$(CONFIG_REGULATOR_FAN53555) += fan53555.o
......
drivers/regulator/da9063-regulator.c 0 → 100644
View file @ 62696579
This diff is collapsed.
drivers/regulator/da9210-regulator.c 0 → 100644
View file @ 62696579
/*
* da9210-regulator.c - Regulator device driver for DA9210
* Copyright (C) 2013 Dialog Semiconductor Ltd.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <linux/err.h>
#include <linux/i2c.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/regmap.h>
#include "da9210-regulator.h"
struct da9210 {
struct regulator_dev *rdev;
struct regmap *regmap;
};
static const struct regmap_config da9210_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
};
static int da9210_set_current_limit(struct regulator_dev *rdev, int min_uA,
int max_uA);
static int da9210_get_current_limit(struct regulator_dev *rdev);
static struct regulator_ops da9210_buck_ops = {
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.is_enabled = regulator_is_enabled_regmap,
.set_voltage_sel = regulator_set_voltage_sel_regmap,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.list_voltage = regulator_list_voltage_linear,
.set_current_limit = da9210_set_current_limit,
.get_current_limit = da9210_get_current_limit,
};
/* Default limits measured in millivolts and milliamps */
#define DA9210_MIN_MV 300
#define DA9210_MAX_MV 1570
#define DA9210_STEP_MV 10
/* Current limits for buck (uA) indices corresponds with register values */
static const int da9210_buck_limits[] = {
1600000, 1800000, 2000000, 2200000, 2400000, 2600000, 2800000, 3000000,
3200000, 3400000, 3600000, 3800000, 4000000, 4200000, 4400000, 4600000
};
static const struct regulator_desc da9210_reg = {
.name = "DA9210",
.id = 0,
.ops = &da9210_buck_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = ((DA9210_MAX_MV - DA9210_MIN_MV) / DA9210_STEP_MV) + 1,
.min_uV = (DA9210_MIN_MV * 1000),
.uV_step = (DA9210_STEP_MV * 1000),
.vsel_reg = DA9210_REG_VBUCK_A,
.vsel_mask = DA9210_VBUCK_MASK,
.enable_reg = DA9210_REG_BUCK_CONT,
.enable_mask = DA9210_BUCK_EN,
.owner = THIS_MODULE,
};
static int da9210_set_current_limit(struct regulator_dev *rdev, int min_uA,
int max_uA)
{
struct da9210 *chip = rdev_get_drvdata(rdev);
unsigned int sel;
int i;
/* search for closest to maximum */
for (i = ARRAY_SIZE(da9210_buck_limits)-1; i >= 0; i--) {
if (min_uA <= da9210_buck_limits[i] &&
max_uA >= da9210_buck_limits[i]) {
sel = i;
sel = sel << DA9210_BUCK_ILIM_SHIFT;
return regmap_update_bits(chip->regmap,
DA9210_REG_BUCK_ILIM,
DA9210_BUCK_ILIM_MASK, sel);
}
}
return -EINVAL;
}
static int da9210_get_current_limit(struct regulator_dev *rdev)
{
struct da9210 *chip = rdev_get_drvdata(rdev);
unsigned int data;
unsigned int sel;
int ret;
ret = regmap_read(chip->regmap, DA9210_REG_BUCK_ILIM, &data);
if (ret < 0)
return ret;
/* select one of 16 values: 0000 (1600mA) to 1111 (4600mA) */
sel = (data & DA9210_BUCK_ILIM_MASK) >> DA9210_BUCK_ILIM_SHIFT;
return da9210_buck_limits[sel];
}
/*
* I2C driver interface functions
*/
static int da9210_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct da9210 *chip;
struct da9210_pdata *pdata = i2c->dev.platform_data;
struct regulator_dev *rdev = NULL;
struct regulator_config config = { };
int error;
chip = devm_kzalloc(&i2c->dev, sizeof(struct da9210), GFP_KERNEL);
if (NULL == chip) {
dev_err(&i2c->dev,
"Cannot kzalloc memory for regulator structure\n");
return -ENOMEM;
}
chip->regmap = devm_regmap_init_i2c(i2c, &da9210_regmap_config);
if (IS_ERR(chip->regmap)) {
error = PTR_ERR(chip->regmap);
dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
error);
return error;
}
config.dev = &i2c->dev;
if (pdata)
config.init_data = &pdata->da9210_constraints;
config.driver_data = chip;
config.regmap = chip->regmap;
rdev = regulator_register(&da9210_reg, &config);
if (IS_ERR(rdev)) {
dev_err(&i2c->dev, "Failed to register DA9210 regulator\n");
return PTR_ERR(rdev);
}
chip->rdev = rdev;
i2c_set_clientdata(i2c, chip);
return 0;
}
static int da9210_i2c_remove(struct i2c_client *i2c)
{
struct da9210 *chip = i2c_get_clientdata(i2c);
regulator_unregister(chip->rdev);
return 0;
}
static const struct i2c_device_id da9210_i2c_id[] = {
{"da9210", 0},
{},
};
MODULE_DEVICE_TABLE(i2c, da9210_i2c_id);
static struct i2c_driver da9210_regulator_driver = {
.driver = {
.name = "da9210",
.owner = THIS_MODULE,
},
.probe = da9210_i2c_probe,
.remove = da9210_i2c_remove,
.id_table = da9210_i2c_id,
};
module_i2c_driver(da9210_regulator_driver);
MODULE_AUTHOR("S Twiss <stwiss.opensource@diasemi.com>");
MODULE_DESCRIPTION("Regulator device driver for Dialog DA9210");
MODULE_LICENSE("GPL v2");
drivers/regulator/da9210-regulator.h 0 → 100644
View file @ 62696579
/*
* da9210-regulator.h - Regulator definitions for DA9210
* Copyright (C) 2013 Dialog Semiconductor Ltd.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __DA9210_REGISTERS_H__
#define __DA9210_REGISTERS_H__
struct da9210_pdata {
struct regulator_init_data da9210_constraints;
};
/* Page selection */
#define DA9210_REG_PAGE_CON 0x00
/* System Control and Event Registers */
#define DA9210_REG_STATUS_A 0x50
#define DA9210_REG_STATUS_B 0x51
#define DA9210_REG_EVENT_A 0x52
#define DA9210_REG_EVENT_B 0x53
#define DA9210_REG_MASK_A 0x54
#define DA9210_REG_MASK_B 0x55
#define DA9210_REG_CONTROL_A 0x56
/* GPIO Control Registers */
#define DA9210_REG_GPIO_0_1 0x58
#define DA9210_REG_GPIO_2_3 0x59
#define DA9210_REG_GPIO_4_5 0x5A
#define DA9210_REG_GPIO_6 0x5B
/* Regulator Registers */
#define DA9210_REG_BUCK_CONT 0x5D
#define DA9210_REG_BUCK_ILIM 0xD0
#define DA9210_REG_BUCK_CONF1 0xD1
#define DA9210_REG_BUCK_CONF2 0xD2
#define DA9210_REG_VBACK_AUTO 0xD4
#define DA9210_REG_VBACK_BASE 0xD5
#define DA9210_REG_VBACK_MAX_DVC_IF 0xD6
#define DA9210_REG_VBACK_DVC 0xD7
#define DA9210_REG_VBUCK_A 0xD8
#define DA9210_REG_VBUCK_B 0xD9
/* I2C Interface Settings */
#define DA9210_REG_INTERFACE 0x105
/* OTP */
#define DA9210_REG_OPT_COUNT 0x140
#define DA9210_REG_OPT_ADDR 0x141
#define DA9210_REG_OPT_DATA 0x142
/* Customer Trim and Configuration */
#define DA9210_REG_CONFIG_A 0x143
#define DA9210_REG_CONFIG_B 0x144
#define DA9210_REG_CONFIG_C 0x145
#define DA9210_REG_CONFIG_D 0x146
#define DA9210_REG_CONFIG_E 0x147
/*
* Registers bits
*/
/* DA9210_REG_PAGE_CON (addr=0x00) */
#define DA9210_PEG_PAGE_SHIFT 0
#define DA9210_REG_PAGE_MASK 0x0F
/* On I2C registers 0x00 - 0xFF */
#define DA9210_REG_PAGE0 0
/* On I2C registers 0x100 - 0x1FF */
#define DA9210_REG_PAGE2 2
#define DA9210_PAGE_WRITE_MODE 0x00
#define DA9210_REPEAT_WRITE_MODE 0x40
#define DA9210_PAGE_REVERT 0x80
/* DA9210_REG_STATUS_A (addr=0x50) */
#define DA9210_GPI0 0x01
#define DA9210_GPI1 0x02
#define DA9210_GPI2 0x04
#define DA9210_GPI3 0x08
#define DA9210_GPI4 0x10
#define DA9210_GPI5 0x20
#define DA9210_GPI6 0x40
/* DA9210_REG_EVENT_A (addr=0x52) */
#define DA9210_E_GPI0 0x01
#define DA9210_E_GPI1 0x02
#define DA9210_E_GPI2 0x04
#define DA9210_E_GPI3 0x08
#define DA9210_E_GPI4 0x10
#define DA9210_E_GPI5 0x20
#define DA9210_E_GPI6 0x40
/* DA9210_REG_EVENT_B (addr=0x53) */
#define DA9210_E_OVCURR 0x01
#define DA9210_E_NPWRGOOD 0x02
#define DA9210_E_TEMP_WARN 0x04
#define DA9210_E_TEMP_CRIT 0x08
#define DA9210_E_VMAX 0x10
/* DA9210_REG_MASK_A (addr=0x54) */
#define DA9210_M_GPI0 0x01
#define DA9210_M_GPI1 0x02
#define DA9210_M_GPI2 0x04
#define DA9210_M_GPI3 0x08
#define DA9210_M_GPI4 0x10
#define DA9210_M_GPI5 0x20
#define DA9210_M_GPI6 0x40
/* DA9210_REG_MASK_B (addr=0x55) */
#define DA9210_M_OVCURR 0x01
#define DA9210_M_NPWRGOOD 0x02
#define DA9210_M_TEMP_WARN 0x04
#define DA9210_M_TEMP_CRIT 0x08
#define DA9210_M_VMAX 0x10
/* DA9210_REG_CONTROL_A (addr=0x56) */
#define DA9210_DEBOUNCING_SHIFT 0
#define DA9210_DEBOUNCING_MASK 0x07
#define DA9210_SLEW_RATE_SHIFT 3
#define DA9210_SLEW_RATE_MASK 0x18
#define DA9210_V_LOCK 0x20
/* DA9210_REG_GPIO_0_1 (addr=0x58) */
#define DA9210_GPIO0_PIN_SHIFT 0
#define DA9210_GPIO0_PIN_MASK 0x03
#define DA9210_GPIO0_PIN_GPI 0x00
#define DA9210_GPIO0_PIN_GPO_OD 0x02
#define DA9210_GPIO0_PIN_GPO 0x03
#define DA9210_GPIO0_TYPE 0x04
#define DA9210_GPIO0_TYPE_GPI 0x00
#define DA9210_GPIO0_TYPE_GPO 0x04
#define DA9210_GPIO0_MODE 0x08
#define DA9210_GPIO1_PIN_SHIFT 4
#define DA9210_GPIO1_PIN_MASK 0x30
#define DA9210_GPIO1_PIN_GPI 0x00
#define DA9210_GPIO1_PIN_VERROR 0x10
#define DA9210_GPIO1_PIN_GPO_OD 0x20
#define DA9210_GPIO1_PIN_GPO 0x30
#define DA9210_GPIO1_TYPE_SHIFT 0x40
#define DA9210_GPIO1_TYPE_GPI 0x00
#define DA9210_GPIO1_TYPE_GPO 0x40
#define DA9210_GPIO1_MODE 0x80
/* DA9210_REG_GPIO_2_3 (addr=0x59) */
#define DA9210_GPIO2_PIN_SHIFT 0
#define DA9210_GPIO2_PIN_MASK 0x03
#define DA9210_GPIO2_PIN_GPI 0x00
#define DA9210_GPIO5_PIN_BUCK_CLK 0x10
#define DA9210_GPIO2_PIN_GPO_OD 0x02
#define DA9210_GPIO2_PIN_GPO 0x03
#define DA9210_GPIO2_TYPE 0x04
#define DA9210_GPIO2_TYPE_GPI 0x00
#define DA9210_GPIO2_TYPE_GPO 0x04
#define DA9210_GPIO2_MODE 0x08
#define DA9210_GPIO3_PIN_SHIFT 4
#define DA9210_GPIO3_PIN_MASK 0x30
#define DA9210_GPIO3_PIN_GPI 0x00
#define DA9210_GPIO3_PIN_IERROR 0x10
#define DA9210_GPIO3_PIN_GPO_OD 0x20
#define DA9210_GPIO3_PIN_GPO 0x30
#define DA9210_GPIO3_TYPE_SHIFT 0x40
#define DA9210_GPIO3_TYPE_GPI 0x00
#define DA9210_GPIO3_TYPE_GPO 0x40
#define DA9210_GPIO3_MODE 0x80
/* DA9210_REG_GPIO_4_5 (addr=0x5A) */
#define DA9210_GPIO4_PIN_SHIFT 0
#define DA9210_GPIO4_PIN_MASK 0x03
#define DA9210_GPIO4_PIN_GPI 0x00
#define DA9210_GPIO4_PIN_GPO_OD 0x02
#define DA9210_GPIO4_PIN_GPO 0x03
#define DA9210_GPIO4_TYPE 0x04
#define DA9210_GPIO4_TYPE_GPI 0x00
#define DA9210_GPIO4_TYPE_GPO 0x04
#define DA9210_GPIO4_MODE 0x08
#define DA9210_GPIO5_PIN_SHIFT 4
#define DA9210_GPIO5_PIN_MASK 0x30
#define DA9210_GPIO5_PIN_GPI 0x00
#define DA9210_GPIO5_PIN_INTERFACE 0x01
#define DA9210_GPIO5_PIN_GPO_OD 0x20
#define DA9210_GPIO5_PIN_GPO 0x30
#define DA9210_GPIO5_TYPE_SHIFT 0x40
#define DA9210_GPIO5_TYPE_GPI 0x00
#define DA9210_GPIO5_TYPE_GPO 0x40
#define DA9210_GPIO5_MODE 0x80
/* DA9210_REG_GPIO_6 (addr=0x5B) */
#define DA9210_GPIO6_PIN_SHIFT 0
#define DA9210_GPIO6_PIN_MASK 0x03
#define DA9210_GPIO6_PIN_GPI 0x00
#define DA9210_GPIO6_PIN_INTERFACE 0x01
#define DA9210_GPIO6_PIN_GPO_OD 0x02
#define DA9210_GPIO6_PIN_GPO 0x03
#define DA9210_GPIO6_TYPE 0x04
#define DA9210_GPIO6_TYPE_GPI 0x00
#define DA9210_GPIO6_TYPE_GPO 0x04
#define DA9210_GPIO6_MODE 0x08
/* DA9210_REG_BUCK_CONT (addr=0x5D) */
#define DA9210_BUCK_EN 0x01
#define DA9210_BUCK_GPI_SHIFT 1
#define DA9210_BUCK_GPI_MASK 0x06
#define DA9210_BUCK_GPI_OFF 0x00
#define DA9210_BUCK_GPI_GPIO0 0x02
#define DA9210_BUCK_GPI_GPIO3 0x04
#define DA9210_BUCK_GPI_GPIO4 0x06
#define DA9210_BUCK_PD_DIS 0x08
#define DA9210_VBUCK_SEL 0x10
#define DA9210_VBUCK_SEL_A 0x00
#define DA9210_VBUCK_SEL_B 0x10
#define DA9210_VBUCK_GPI_SHIFT 5
#define DA9210_VBUCK_GPI_MASK 0x60
#define DA9210_VBUCK_GPI_OFF 0x00
#define DA9210_VBUCK_GPI_GPIO0 0x20
#define DA9210_VBUCK_GPI_GPIO3 0x40
#define DA9210_VBUCK_GPI_GPIO4 0x60
#define DA9210_DVC_CTRL_EN 0x80
/* DA9210_REG_BUCK_ILIM (addr=0xD0) */
#define DA9210_BUCK_ILIM_SHIFT 0
#define DA9210_BUCK_ILIM_MASK 0x0F
#define DA9210_BUCK_IALARM 0x10
/* DA9210_REG_BUCK_CONF1 (addr=0xD1) */
#define DA9210_BUCK_MODE_SHIFT 0
#define DA9210_BUCK_MODE_MASK 0x03
#define DA9210_BUCK_MODE_MANUAL 0x00
#define DA9210_BUCK_MODE_SLEEP 0x01
#define DA9210_BUCK_MODE_SYNC 0x02
#define DA9210_BUCK_MODE_AUTO 0x03
#define DA9210_STARTUP_CTRL_SHIFT 2
#define DA9210_STARTUP_CTRL_MASK 0x1C
#define DA9210_PWR_DOWN_CTRL_SHIFT 5
#define DA9210_PWR_DOWN_CTRL_MASK 0xE0
/* DA9210_REG_BUCK_CONF2 (addr=0xD2) */
#define DA9210_PHASE_SEL_SHIFT 0
#define DA9210_PHASE_SEL_MASK 0x03
#define DA9210_FREQ_SEL 0x40
/* DA9210_REG_BUCK_AUTO (addr=0xD4) */
#define DA9210_VBUCK_AUTO_SHIFT 0
#define DA9210_VBUCK_AUTO_MASK 0x7F
/* DA9210_REG_BUCK_BASE (addr=0xD5) */
#define DA9210_VBUCK_BASE_SHIFT 0
#define DA9210_VBUCK_BASE_MASK 0x7F
/* DA9210_REG_VBUCK_MAX_DVC_IF (addr=0xD6) */
#define DA9210_VBUCK_MAX_SHIFT 0
#define DA9210_VBUCK_MAX_MASK 0x7F
#define DA9210_DVC_STEP_SIZE 0x80
#define DA9210_DVC_STEP_SIZE_10MV 0x00
#define DA9210_DVC_STEP_SIZE_20MV 0x80
/* DA9210_REG_VBUCK_DVC (addr=0xD7) */
#define DA9210_VBUCK_DVC_SHIFT 0
#define DA9210_VBUCK_DVC_MASK 0x7F
/* DA9210_REG_VBUCK_A/B (addr=0xD8/0xD9) */
#define DA9210_VBUCK_SHIFT 0
#define DA9210_VBUCK_MASK 0x7F
#define DA9210_VBUCK_BIAS 0
#define DA9210_BUCK_SL 0x80
/* DA9210_REG_INTERFACE (addr=0x105) */
#define DA9210_IF_BASE_ADDR_SHIFT 4
#define DA9210_IF_BASE_ADDR_MASK 0xF0
/* DA9210_REG_CONFIG_E (addr=0x147) */
#define DA9210_STAND_ALONE 0x01
#endif /* __DA9210_REGISTERS_H__ */
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