Commit 1028a37d authored by James Ban's avatar James Ban Committed by Mark Brown

regulator: da9211: new regulator driver

This is the driver for the Dialog DA9211 Multi-phase 12A DC-DC Buck
Converter regulator. It communicates via an I2C bus to the device.
Signed-off-by: default avatarJames Ban <james.ban.opensource@diasemi.com>
Signed-off-by: default avatarMark Brown <broonie@linaro.org>
parent 7171511e
......@@ -198,6 +198,16 @@ config REGULATOR_DA9210
converter 12A DC-DC Buck controlled through an I2C
interface.
config REGULATOR_DA9211
tristate "Dialog Semiconductor DA9211/DA9212 regulator"
depends on I2C
select REGMAP_I2C
help
Say y here to support for the Dialog Semiconductor DA9211/DA9212.
The DA9211/DA9212 is a multi-phase synchronous step down
converter 12A DC-DC Buck controlled through an I2C
interface.
config REGULATOR_DBX500_PRCMU
bool
......
......@@ -27,6 +27,7 @@ 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-$(CONFIG_REGULATOR_DA9211) += da9211-regulator.o
obj-$(CONFIG_REGULATOR_DBX500_PRCMU) += dbx500-prcmu.o
obj-$(CONFIG_REGULATOR_DB8500_PRCMU) += db8500-prcmu.o
obj-$(CONFIG_REGULATOR_FAN53555) += fan53555.o
......
/*
* da9211-regulator.c - Regulator device driver for DA9211
* Copyright (C) 2014 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.
*/
#include <linux/err.h>
#include <linux/gpio.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 <linux/irq.h>
#include <linux/interrupt.h>
#include <linux/regulator/da9211.h>
#include "da9211-regulator.h"
#define DA9211_BUCK_MODE_SLEEP 1
#define DA9211_BUCK_MODE_SYNC 2
#define DA9211_BUCK_MODE_AUTO 3
/* DA9211 REGULATOR IDs */
#define DA9211_ID_BUCKA 0
#define DA9211_ID_BUCKB 1
struct da9211 {
struct device *dev;
struct regmap *regmap;
struct da9211_pdata *pdata;
struct regulator_dev *rdev[DA9211_MAX_REGULATORS];
int num_regulator;
int chip_irq;
};
static const struct regmap_range_cfg da9211_regmap_range[] = {
{
.selector_reg = DA9211_REG_PAGE_CON,
.selector_mask = DA9211_REG_PAGE_MASK,
.selector_shift = DA9211_REG_PAGE_SHIFT,
.window_start = 0,
.window_len = 256,
.range_min = 0,
.range_max = 2*256,
},
};
static const struct regmap_config da9211_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
.max_register = 2 * 256,
.ranges = da9211_regmap_range,
.num_ranges = ARRAY_SIZE(da9211_regmap_range),
};
/* Default limits measured in millivolts and milliamps */
#define DA9211_MIN_MV 300
#define DA9211_MAX_MV 1570
#define DA9211_STEP_MV 10
/* Current limits for buck (uA) indices corresponds with register values */
static const int da9211_current_limits[] = {
2000000, 2200000, 2400000, 2600000, 2800000, 3000000, 3200000, 3400000,
3600000, 3800000, 4000000, 4200000, 4400000, 4600000, 4800000, 5000000
};
static unsigned int da9211_buck_get_mode(struct regulator_dev *rdev)
{
int id = rdev_get_id(rdev);
struct da9211 *chip = rdev_get_drvdata(rdev);
unsigned int data;
int ret, mode = 0;
ret = regmap_read(chip->regmap, DA9211_REG_BUCKA_CONF+id, &data);
if (ret < 0)
return ret;
switch (data & 0x03) {
case DA9211_BUCK_MODE_SYNC:
mode = REGULATOR_MODE_FAST;
break;
case DA9211_BUCK_MODE_AUTO:
mode = REGULATOR_MODE_NORMAL;
break;
case DA9211_BUCK_MODE_SLEEP:
mode = REGULATOR_MODE_STANDBY;
break;
}
return mode;
}
static int da9211_buck_set_mode(struct regulator_dev *rdev,
unsigned int mode)
{
int id = rdev_get_id(rdev);
struct da9211 *chip = rdev_get_drvdata(rdev);
int val = 0;
switch (mode) {
case REGULATOR_MODE_FAST:
val = DA9211_BUCK_MODE_SYNC;
break;
case REGULATOR_MODE_NORMAL:
val = DA9211_BUCK_MODE_AUTO;
break;
case REGULATOR_MODE_STANDBY:
val = DA9211_BUCK_MODE_SLEEP;
break;
}
return regmap_update_bits(chip->regmap, DA9211_REG_BUCKA_CONF+id,
0x03, val);
}
static int da9211_set_current_limit(struct regulator_dev *rdev, int min,
int max)
{
int id = rdev_get_id(rdev);
struct da9211 *chip = rdev_get_drvdata(rdev);
int i;
/* search for closest to maximum */
for (i = ARRAY_SIZE(da9211_current_limits)-1; i >= 0; i--) {
if (min <= da9211_current_limits[i] &&
max >= da9211_current_limits[i]) {
return regmap_update_bits(chip->regmap,
DA9211_REG_BUCK_ILIM,
(0x0F << id*4), (i << id*4));
}
}
return -EINVAL;
}
static int da9211_get_current_limit(struct regulator_dev *rdev)
{
int id = rdev_get_id(rdev);
struct da9211 *chip = rdev_get_drvdata(rdev);
unsigned int data;
int ret;
ret = regmap_read(chip->regmap, DA9211_REG_BUCK_ILIM, &data);
if (ret < 0)
return ret;
/* select one of 16 values: 0000 (2000mA) to 1111 (5000mA) */
data = (data >> id*4) & 0x0F;
return da9211_current_limits[data];
}
static struct regulator_ops da9211_buck_ops = {
.get_mode = da9211_buck_get_mode,
.set_mode = da9211_buck_set_mode,
.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 = da9211_set_current_limit,
.get_current_limit = da9211_get_current_limit,
};
#define DA9211_BUCK(_id) \
{\
.name = #_id,\
.ops = &da9211_buck_ops,\
.type = REGULATOR_VOLTAGE,\
.id = DA9211_ID_##_id,\
.n_voltages = (DA9211_MAX_MV - DA9211_MIN_MV) / DA9211_STEP_MV + 1,\
.min_uV = (DA9211_MIN_MV * 1000),\
.uV_step = (DA9211_STEP_MV * 1000),\
.enable_reg = DA9211_REG_BUCKA_CONT + DA9211_ID_##_id,\
.enable_mask = DA9211_BUCKA_EN,\
.vsel_reg = DA9211_REG_VBUCKA_A + DA9211_ID_##_id * 2,\
.vsel_mask = DA9211_VBUCK_MASK,\
.owner = THIS_MODULE,\
}
static struct regulator_desc da9211_regulators[] = {
DA9211_BUCK(BUCKA),
DA9211_BUCK(BUCKB),
};
static irqreturn_t da9211_irq_handler(int irq, void *data)
{
struct da9211 *chip = data;
int reg_val, err, ret = IRQ_NONE;
err = regmap_read(chip->regmap, DA9211_REG_EVENT_B, &reg_val);
if (err < 0)
goto error_i2c;
if (reg_val & DA9211_E_OV_CURR_A) {
regulator_notifier_call_chain(chip->rdev[0],
REGULATOR_EVENT_OVER_CURRENT,
rdev_get_drvdata(chip->rdev[0]));
err = regmap_write(chip->regmap, DA9211_REG_EVENT_B,
DA9211_E_OV_CURR_A);
if (err < 0)
goto error_i2c;
ret = IRQ_HANDLED;
}
if (reg_val & DA9211_E_OV_CURR_B) {
regulator_notifier_call_chain(chip->rdev[1],
REGULATOR_EVENT_OVER_CURRENT,
rdev_get_drvdata(chip->rdev[1]));
err = regmap_write(chip->regmap, DA9211_REG_EVENT_B,
DA9211_E_OV_CURR_B);
if (err < 0)
goto error_i2c;
ret = IRQ_HANDLED;
}
return ret;
error_i2c:
dev_err(chip->dev, "I2C error : %d\n", err);
return IRQ_NONE;
}
static int da9211_regulator_init(struct da9211 *chip)
{
struct regulator_config config = { };
int i, ret;
unsigned int data;
ret = regmap_read(chip->regmap, DA9211_REG_CONFIG_E, &data);
if (ret < 0) {
dev_err(chip->dev, "Failed to read CONTROL_E reg: %d\n", ret);
goto err;
}
data &= DA9211_SLAVE_SEL;
/* If configuration for 1/2 bucks is different between platform data
* and the register, driver should exit.
*/
if ((chip->pdata->num_buck == 2 && data == 0x40)
|| (chip->pdata->num_buck == 1 && data == 0x00)) {
if (data == 0)
chip->num_regulator = 1;
else
chip->num_regulator = 2;
} else {
ret = -EINVAL;
dev_err(chip->dev, "Configuration is mismatched\n");
goto err;
}
for (i = 0; i < chip->num_regulator; i++) {
if (chip->pdata)
config.init_data =
&(chip->pdata->init_data[i]);
config.dev = chip->dev;
config.driver_data = chip;
config.regmap = chip->regmap;
chip->rdev[i] = devm_regulator_register(chip->dev,
&da9211_regulators[i], &config);
if (IS_ERR(chip->rdev[i])) {
dev_err(chip->dev,
"Failed to register DA9211 regulator\n");
ret = PTR_ERR(chip->rdev[i]);
goto err_regulator;
}
if (chip->chip_irq != 0) {
ret = regmap_update_bits(chip->regmap,
DA9211_REG_MASK_B, DA9211_M_OV_CURR_A << i, 1);
if (ret < 0) {
dev_err(chip->dev,
"Failed to update mask reg: %d\n", ret);
goto err_regulator;
}
}
}
return 0;
err_regulator:
while (--i >= 0)
devm_regulator_unregister(chip->dev, chip->rdev[i]);
err:
return ret;
}
/*
* I2C driver interface functions
*/
static int da9211_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct da9211 *chip;
int error, ret;
chip = devm_kzalloc(&i2c->dev, sizeof(struct da9211), GFP_KERNEL);
chip->dev = &i2c->dev;
chip->regmap = devm_regmap_init_i2c(i2c, &da9211_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;
}
i2c_set_clientdata(i2c, chip);
chip->pdata = i2c->dev.platform_data;
if (!chip->pdata) {
dev_err(&i2c->dev, "No platform init data supplied\n");
return -ENODEV;
}
chip->chip_irq = i2c->irq;
if (chip->chip_irq != 0) {
ret = devm_request_threaded_irq(chip->dev, chip->chip_irq, NULL,
da9211_irq_handler,
IRQF_TRIGGER_LOW|IRQF_ONESHOT,
"da9211", chip);
if (ret != 0) {
dev_err(chip->dev, "Failed to request IRQ: %d\n",
chip->chip_irq);
return ret;
}
} else {
dev_warn(chip->dev, "No IRQ configured\n");
}
ret = da9211_regulator_init(chip);
if (ret < 0)
dev_err(&i2c->dev, "Failed to initialize regulator: %d\n", ret);
return ret;
}
static int da9211_i2c_remove(struct i2c_client *i2c)
{
struct da9211 *chip = i2c_get_clientdata(i2c);
int i;
for (i = 0; i < chip->num_regulator; i++)
devm_regulator_unregister(chip->dev, chip->rdev[i]);
return 0;
}
static const struct i2c_device_id da9211_i2c_id[] = {
{"da9211", 0},
{},
};
MODULE_DEVICE_TABLE(i2c, da9211_i2c_id);
static struct i2c_driver da9211_regulator_driver = {
.driver = {
.name = "da9211",
.owner = THIS_MODULE,
},
.probe = da9211_i2c_probe,
.remove = da9211_i2c_remove,
.id_table = da9211_i2c_id,
};
module_i2c_driver(da9211_regulator_driver);
MODULE_AUTHOR("James Ban <James.Ban.opensource@diasemi.com>");
MODULE_DESCRIPTION("Regulator device driver for Dialog DA9211");
MODULE_LICENSE("GPL v2");
/*
* da9211-regulator.h - Regulator definitions for DA9211
* Copyright (C) 2014 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.
*/
#ifndef __DA9211_REGISTERS_H__
#define __DA9211_REGISTERS_H__
/* Page selection */
#define DA9211_REG_PAGE_CON 0x00
/* System Control and Event Registers */
#define DA9211_REG_STATUS_A 0x50
#define DA9211_REG_STATUS_B 0x51
#define DA9211_REG_EVENT_A 0x52
#define DA9211_REG_EVENT_B 0x53
#define DA9211_REG_MASK_A 0x54
#define DA9211_REG_MASK_B 0x55
#define DA9211_REG_CONTROL_A 0x56
/* GPIO Control Registers */
#define DA9211_REG_GPIO_0_1 0x58
#define DA9211_REG_GPIO_2_3 0x59
#define DA9211_REG_GPIO_4 0x5A
/* Regulator Registers */
#define DA9211_REG_BUCKA_CONT 0x5D
#define DA9211_REG_BUCKB_CONT 0x5E
#define DA9211_REG_BUCK_ILIM 0xD0
#define DA9211_REG_BUCKA_CONF 0xD1
#define DA9211_REG_BUCKB_CONF 0xD2
#define DA9211_REG_BUCK_CONF 0xD3
#define DA9211_REG_VBACKA_MAX 0xD5
#define DA9211_REG_VBACKB_MAX 0xD6
#define DA9211_REG_VBUCKA_A 0xD7
#define DA9211_REG_VBUCKA_B 0xD8
#define DA9211_REG_VBUCKB_A 0xD9
#define DA9211_REG_VBUCKB_B 0xDA
/* I2C Interface Settings */
#define DA9211_REG_INTERFACE 0x105
/* BUCK Phase Selection*/
#define DA9211_REG_CONFIG_E 0x147
/*
* Registers bits
*/
/* DA9211_REG_PAGE_CON (addr=0x00) */
#define DA9211_REG_PAGE_SHIFT 1
#define DA9211_REG_PAGE_MASK 0x02
/* On I2C registers 0x00 - 0xFF */
#define DA9211_REG_PAGE0 0
/* On I2C registers 0x100 - 0x1FF */
#define DA9211_REG_PAGE2 2
#define DA9211_PAGE_WRITE_MODE 0x00
#define DA9211_REPEAT_WRITE_MODE 0x40
#define DA9211_PAGE_REVERT 0x80
/* DA9211_REG_STATUS_A (addr=0x50) */
#define DA9211_GPI0 0x01
#define DA9211_GPI1 0x02
#define DA9211_GPI2 0x04
#define DA9211_GPI3 0x08
#define DA9211_GPI4 0x10
/* DA9211_REG_EVENT_A (addr=0x52) */
#define DA9211_E_GPI0 0x01
#define DA9211_E_GPI1 0x02
#define DA9211_E_GPI2 0x04
#define DA9211_E_GPI3 0x08
#define DA9211_E_GPI4 0x10
#define DA9211_E_UVLO_IO 0x40
/* DA9211_REG_EVENT_B (addr=0x53) */
#define DA9211_E_PWRGOOD_A 0x01
#define DA9211_E_PWRGOOD_B 0x02
#define DA9211_E_TEMP_WARN 0x04
#define DA9211_E_TEMP_CRIT 0x08
#define DA9211_E_OV_CURR_A 0x10
#define DA9211_E_OV_CURR_B 0x20
/* DA9211_REG_MASK_A (addr=0x54) */
#define DA9211_M_GPI0 0x01
#define DA9211_M_GPI1 0x02
#define DA9211_M_GPI2 0x04
#define DA9211_M_GPI3 0x08
#define DA9211_M_GPI4 0x10
#define DA9211_M_UVLO_IO 0x40
/* DA9211_REG_MASK_B (addr=0x55) */
#define DA9211_M_PWRGOOD_A 0x01
#define DA9211_M_PWRGOOD_B 0x02
#define DA9211_M_TEMP_WARN 0x04
#define DA9211_M_TEMP_CRIT 0x08
#define DA9211_M_OV_CURR_A 0x10
#define DA9211_M_OV_CURR_B 0x20
/* DA9211_REG_CONTROL_A (addr=0x56) */
#define DA9211_DEBOUNCING_SHIFT 0
#define DA9211_DEBOUNCING_MASK 0x07
#define DA9211_SLEW_RATE_SHIFT 3
#define DA9211_SLEW_RATE_A_MASK 0x18
#define DA9211_SLEW_RATE_B_SHIFT 5
#define DA9211_SLEW_RATE_B_MASK 0x60
#define DA9211_V_LOCK 0x80
/* DA9211_REG_GPIO_0_1 (addr=0x58) */
#define DA9211_GPIO0_PIN_SHIFT 0
#define DA9211_GPIO0_PIN_MASK 0x03
#define DA9211_GPIO0_PIN_GPI 0x00
#define DA9211_GPIO0_PIN_GPO_OD 0x02
#define DA9211_GPIO0_PIN_GPO 0x03
#define DA9211_GPIO0_TYPE 0x04
#define DA9211_GPIO0_TYPE_GPI 0x00
#define DA9211_GPIO0_TYPE_GPO 0x04
#define DA9211_GPIO0_MODE 0x08
#define DA9211_GPIO1_PIN_SHIFT 4
#define DA9211_GPIO1_PIN_MASK 0x30
#define DA9211_GPIO1_PIN_GPI 0x00
#define DA9211_GPIO1_PIN_VERROR 0x10
#define DA9211_GPIO1_PIN_GPO_OD 0x20
#define DA9211_GPIO1_PIN_GPO 0x30
#define DA9211_GPIO1_TYPE_SHIFT 0x40
#define DA9211_GPIO1_TYPE_GPI 0x00
#define DA9211_GPIO1_TYPE_GPO 0x40
#define DA9211_GPIO1_MODE 0x80
/* DA9211_REG_GPIO_2_3 (addr=0x59) */
#define DA9211_GPIO2_PIN_SHIFT 0
#define DA9211_GPIO2_PIN_MASK 0x03
#define DA9211_GPIO2_PIN_GPI 0x00
#define DA9211_GPIO5_PIN_BUCK_CLK 0x10
#define DA9211_GPIO2_PIN_GPO_OD 0x02
#define DA9211_GPIO2_PIN_GPO 0x03
#define DA9211_GPIO2_TYPE 0x04
#define DA9211_GPIO2_TYPE_GPI 0x00
#define DA9211_GPIO2_TYPE_GPO 0x04
#define DA9211_GPIO2_MODE 0x08
#define DA9211_GPIO3_PIN_SHIFT 4
#define DA9211_GPIO3_PIN_MASK 0x30
#define DA9211_GPIO3_PIN_GPI 0x00
#define DA9211_GPIO3_PIN_IERROR 0x10
#define DA9211_GPIO3_PIN_GPO_OD 0x20
#define DA9211_GPIO3_PIN_GPO 0x30
#define DA9211_GPIO3_TYPE_SHIFT 0x40
#define DA9211_GPIO3_TYPE_GPI 0x00
#define DA9211_GPIO3_TYPE_GPO 0x40
#define DA9211_GPIO3_MODE 0x80
/* DA9211_REG_GPIO_4 (addr=0x5A) */
#define DA9211_GPIO4_PIN_SHIFT 0
#define DA9211_GPIO4_PIN_MASK 0x03
#define DA9211_GPIO4_PIN_GPI 0x00
#define DA9211_GPIO4_PIN_GPO_OD 0x02
#define DA9211_GPIO4_PIN_GPO 0x03
#define DA9211_GPIO4_TYPE 0x04
#define DA9211_GPIO4_TYPE_GPI 0x00
#define DA9211_GPIO4_TYPE_GPO 0x04
#define DA9211_GPIO4_MODE 0x08
/* DA9211_REG_BUCKA_CONT (addr=0x5D) */
#define DA9211_BUCKA_EN 0x01
#define DA9211_BUCKA_GPI_SHIFT 1
#define DA9211_BUCKA_GPI_MASK 0x06
#define DA9211_BUCKA_GPI_OFF 0x00
#define DA9211_BUCKA_GPI_GPIO0 0x02
#define DA9211_BUCKA_GPI_GPIO1 0x04
#define DA9211_BUCKA_GPI_GPIO3 0x06
#define DA9211_BUCKA_PD_DIS 0x08
#define DA9211_VBUCKA_SEL 0x10
#define DA9211_VBUCKA_SEL_A 0x00
#define DA9211_VBUCKA_SEL_B 0x10
#define DA9211_VBUCKA_GPI_SHIFT 5
#define DA9211_VBUCKA_GPI_MASK 0x60
#define DA9211_VBUCKA_GPI_OFF 0x00
#define DA9211_VBUCKA_GPI_GPIO1 0x20
#define DA9211_VBUCKA_GPI_GPIO2 0x40
#define DA9211_VBUCKA_GPI_GPIO4 0x60
/* DA9211_REG_BUCKB_CONT (addr=0x5E) */
#define DA9211_BUCKB_EN 0x01
#define DA9211_BUCKB_GPI_SHIFT 1
#define DA9211_BUCKB_GPI_MASK 0x06
#define DA9211_BUCKB_GPI_OFF 0x00
#define DA9211_BUCKB_GPI_GPIO0 0x02
#define DA9211_BUCKB_GPI_GPIO1 0x04
#define DA9211_BUCKB_GPI_GPIO3 0x06
#define DA9211_BUCKB_PD_DIS 0x08
#define DA9211_VBUCKB_SEL 0x10
#define DA9211_VBUCKB_SEL_A 0x00
#define DA9211_VBUCKB_SEL_B 0x10
#define DA9211_VBUCKB_GPI_SHIFT 5
#define DA9211_VBUCKB_GPI_MASK 0x60
#define DA9211_VBUCKB_GPI_OFF 0x00
#define DA9211_VBUCKB_GPI_GPIO1 0x20
#define DA9211_VBUCKB_GPI_GPIO2 0x40
#define DA9211_VBUCKB_GPI_GPIO4 0x60
/* DA9211_REG_BUCK_ILIM (addr=0xD0) */
#define DA9211_BUCKA_ILIM_SHIFT 0
#define DA9211_BUCKA_ILIM_MASK 0x0F
#define DA9211_BUCKB_ILIM_SHIFT 4
#define DA9211_BUCKB_ILIM_MASK 0xF0
/* DA9211_REG_BUCKA_CONF (addr=0xD1) */
#define DA9211_BUCKA_MODE_SHIFT 0
#define DA9211_BUCKA_MODE_MASK 0x03
#define DA9211_BUCKA_MODE_MANUAL 0x00
#define DA9211_BUCKA_MODE_SLEEP 0x01
#define DA9211_BUCKA_MODE_SYNC 0x02
#define DA9211_BUCKA_MODE_AUTO 0x03
#define DA9211_BUCKA_UP_CTRL_SHIFT 2
#define DA9211_BUCKA_UP_CTRL_MASK 0x1C
#define DA9211_BUCKA_DOWN_CTRL_SHIFT 5
#define DA9211_BUCKA_DOWN_CTRL_MASK 0xE0
/* DA9211_REG_BUCKB_CONF (addr=0xD2) */
#define DA9211_BUCKB_MODE_SHIFT 0
#define DA9211_BUCKB_MODE_MASK 0x03
#define DA9211_BUCKB_MODE_MANUAL 0x00
#define DA9211_BUCKB_MODE_SLEEP 0x01
#define DA9211_BUCKB_MODE_SYNC 0x02
#define DA9211_BUCKB_MODE_AUTO 0x03
#define DA9211_BUCKB_UP_CTRL_SHIFT 2
#define DA9211_BUCKB_UP_CTRL_MASK 0x1C
#define DA9211_BUCKB_DOWN_CTRL_SHIFT 5
#define DA9211_BUCKB_DOWN_CTRL_MASK 0xE0
/* DA9211_REG_BUCK_CONF (addr=0xD3) */
#define DA9211_PHASE_SEL_A_SHIFT 0
#define DA9211_PHASE_SEL_A_MASK 0x03
#define DA9211_PHASE_SEL_B_SHIFT 2
#define DA9211_PHASE_SEL_B_MASK 0x04
#define DA9211_PH_SH_EN_A_SHIFT 3
#define DA9211_PH_SH_EN_A_MASK 0x08
#define DA9211_PH_SH_EN_B_SHIFT 4
#define DA9211_PH_SH_EN_B_MASK 0x10
/* DA9211_REG_VBUCKA_MAX (addr=0xD5) */
#define DA9211_VBUCKA_BASE_SHIFT 0
#define DA9211_VBUCKA_BASE_MASK 0x7F
/* DA9211_REG_VBUCKB_MAX (addr=0xD6) */
#define DA9211_VBUCKB_BASE_SHIFT 0
#define DA9211_VBUCKB_BASE_MASK 0x7F
/* DA9211_REG_VBUCKA/B_A/B (addr=0xD7/0xD8/0xD9/0xDA) */
#define DA9211_VBUCK_SHIFT 0
#define DA9211_VBUCK_MASK 0x7F
#define DA9211_VBUCK_BIAS 0
#define DA9211_BUCK_SL 0x80
/* DA9211_REG_INTERFACE (addr=0x105) */
#define DA9211_IF_BASE_ADDR_SHIFT 4
#define DA9211_IF_BASE_ADDR_MASK 0xF0
/* DA9211_REG_CONFIG_E (addr=0x147) */
#define DA9211_SLAVE_SEL 0x40
#endif /* __DA9211_REGISTERS_H__ */
/*
* da9211.h - Regulator device driver for DA9211
* Copyright (C) 2014 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.
*/
#ifndef __LINUX_REGULATOR_DA9211_H
#define __LINUX_REGULATOR_DA9211_H
#include <linux/regulator/machine.h>
#define DA9211_MAX_REGULATORS 2
struct da9211_pdata {
/*
* Number of buck
* 1 : 4 phase 1 buck
* 2 : 2 phase 2 buck
*/
int num_buck;
struct regulator_init_data *init_data;
};
#endif
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