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/*
* National Semiconductors LP8720 PMIC chip client interface
*
* Based on lp3971.h
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __LINUX_REGULATOR_LP8720_H
#define __LINUX_REGULATOR_LP8720_H
#include <linux/regulator/machine.h>
/* LP8720 regulator ids */
enum {
LP8720_LDO1 = 0,
LP8720_LDO2,
LP8720_LDO3,
LP8720_LDO4,
LP8720_LDO5,
LP8720_BUCK_V1,
LP8720_BUCK_V2,
LP8720_REG_MAX,
};
#define LP8720_LDO1_EN BIT(0)
#define LP8720_LDO2_EN BIT(1)
#define LP8720_LDO3_EN BIT(2)
#define LP8720_LDO4_EN BIT(3)
#define LP8720_LDO5_EN BIT(4)
#define LP8720_BUCK_V1_EN BIT(5)
#define LP8720_BUCK_V2_EN BIT(5)
#define LP8720_LDO1_REG (0x01)
#define LP8720_LDO2_REG (0x02)
#define LP8720_LDO3_REG (0x03)
#define LP8720_LDO4_REG (0x04)
#define LP8720_LDO5_REG (0x05)
#define LP8720_BUCK_V1_REG (0x06)
#define LP8720_BUCK_V2_REG (0x07)
/* LP8720 PMIC Registers. */
#define LP8720_GENERAL_SETTINGsS_REG (0x00)
#define LP8720_LDO1_SETTINGS_REG (0x01)
#define LP8720_LDO2_SETTINGS_REG (0x02)
#define LP8720_LDO3_SETTINGS_REG (0x03)
#define LP8720_LDO4_SETTINGS_REG (0x04)
#define LP8720_LDO5_SETTINGS_REG (0x05)
#define LP8720_BUCK_SETTINGS1_REG (0x06)
#define LP8720_BUCK_SETTINGS2_REG (0x07)
#define LP8720_ENABLE_REG (0x08)
#define LP8720_PULLDOWN_REG (0x09)
#define LP8720_STATUS_REG (0x0A)
#define LP8720_INTERRUPT_REG (0x0B)
#define LP8720_INTERRUPTM_REG (0x0C)
#define LP8720_LDOV_SHIFT (0)
#define LP8720_LDOT_SHIFT (5)
#define LP8720_BUCK_SHIFT (0)
#define LP8720_LDOV_MASK (0x1F << LP8720_LDOV_SHIFT)
#define LP8720_LDOT_MASK (0x7 << LP8720_LDOT_SHIFT)
#define LP8720_BUCK_MASK (0x1F << LP8720_BUCK_SHIFT)
#define LP8720_LDO_VOL_CONTR_BASE 0x01
#define LP8720_LDO_VOL_CONTR_REG(x) (LP8720_LDO_VOL_CONTR_BASE + (x))
#define LP8720_BUCK_VOL_CONTR_BASE 0x06
#define LP8720_BUCK_VOL_CONTR_REG(x) (LP8720_BUCK_VOL_CONTR_BASE + (x))
struct lp8720 {
struct device *dev;
struct mutex io_lock;
struct i2c_client *i2c;
int num_regulators;
struct regulator_dev **rdev;
};
struct lp8720_regulator_subdev {
int id;
struct regulator_init_data *initdata;
};
struct lp8720_platform_data {
char *name;
unsigned int en_pin;
int num_regulators;
struct lp8720_regulator_subdev *regulators;
};
#endif /* __LINUX_REGULATOR_LP8720_H */
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