mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-25 13:51:00 +07:00
156f252857
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> This patch adds voltage regulator driver for Maxim 8998 chip. This chip is used on Samsung Aquila and GONI boards and provides following functionalities: - 4 BUCK voltage converters, 17 LDO power regulators and 5 other power controllers - battery charger This patch adds basic driver for voltage regulators and MAX 8998 MFD core. Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Acked-by: Samuel Ortiz <sameo@linux.intel.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
113 lines
3.1 KiB
C
113 lines
3.1 KiB
C
/*
|
|
* max8698.h - Voltage regulator driver for the Maxim 8998
|
|
*
|
|
* Copyright (C) 2009-2010 Samsung Electrnoics
|
|
* Kyungmin Park <kyungmin.park@samsung.com>
|
|
* Marek Szyprowski <m.szyprowski@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.
|
|
*
|
|
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#ifndef __LINUX_MFD_MAX8998_PRIV_H
|
|
#define __LINUX_MFD_MAX8998_PRIV_H
|
|
|
|
/* MAX 8998 registers */
|
|
enum {
|
|
MAX8998_REG_IRQ1,
|
|
MAX8998_REG_IRQ2,
|
|
MAX8998_REG_IRQ3,
|
|
MAX8998_REG_IRQ4,
|
|
MAX8998_REG_IRQM1,
|
|
MAX8998_REG_IRQM2,
|
|
MAX8998_REG_IRQM3,
|
|
MAX8998_REG_IRQM4,
|
|
MAX8998_REG_STATUS1,
|
|
MAX8998_REG_STATUS2,
|
|
MAX8998_REG_STATUSM1,
|
|
MAX8998_REG_STATUSM2,
|
|
MAX8998_REG_CHGR1,
|
|
MAX8998_REG_CHGR2,
|
|
MAX8998_REG_LDO_ACTIVE_DISCHARGE1,
|
|
MAX8998_REG_LDO_ACTIVE_DISCHARGE2,
|
|
MAX8998_REG_BUCK_ACTIVE_DISCHARGE3,
|
|
MAX8998_REG_ONOFF1,
|
|
MAX8998_REG_ONOFF2,
|
|
MAX8998_REG_ONOFF3,
|
|
MAX8998_REG_ONOFF4,
|
|
MAX8998_REG_BUCK1_DVSARM1,
|
|
MAX8998_REG_BUCK1_DVSARM2,
|
|
MAX8998_REG_BUCK1_DVSARM3,
|
|
MAX8998_REG_BUCK1_DVSARM4,
|
|
MAX8998_REG_BUCK2_DVSINT1,
|
|
MAX8998_REG_BUCK2_DVSINT2,
|
|
MAX8998_REG_BUCK3,
|
|
MAX8998_REG_BUCK4,
|
|
MAX8998_REG_LDO2_LDO3,
|
|
MAX8998_REG_LDO4,
|
|
MAX8998_REG_LDO5,
|
|
MAX8998_REG_LDO6,
|
|
MAX8998_REG_LDO7,
|
|
MAX8998_REG_LDO8_LDO9,
|
|
MAX8998_REG_LDO10_LDO11,
|
|
MAX8998_REG_LDO12,
|
|
MAX8998_REG_LDO13,
|
|
MAX8998_REG_LDO14,
|
|
MAX8998_REG_LDO15,
|
|
MAX8998_REG_LDO16,
|
|
MAX8998_REG_LDO17,
|
|
MAX8998_REG_BKCHR,
|
|
MAX8998_REG_LBCNFG1,
|
|
MAX8998_REG_LBCNFG2,
|
|
};
|
|
|
|
/**
|
|
* struct max8998_dev - max8998 master device for sub-drivers
|
|
* @dev: master device of the chip (can be used to access platform data)
|
|
* @i2c_client: i2c client private data
|
|
* @dev_read(): chip register read function
|
|
* @dev_write(): chip register write function
|
|
* @dev_update(): chip register update function
|
|
* @iolock: mutex for serializing io access
|
|
*/
|
|
|
|
struct max8998_dev {
|
|
struct device *dev;
|
|
struct i2c_client *i2c_client;
|
|
int (*dev_read)(struct max8998_dev *max8998, u8 reg, u8 *dest);
|
|
int (*dev_write)(struct max8998_dev *max8998, u8 reg, u8 val);
|
|
int (*dev_update)(struct max8998_dev *max8998, u8 reg, u8 val, u8 mask);
|
|
struct mutex iolock;
|
|
};
|
|
|
|
static inline int max8998_read_reg(struct max8998_dev *max8998, u8 reg,
|
|
u8 *value)
|
|
{
|
|
return max8998->dev_read(max8998, reg, value);
|
|
}
|
|
|
|
static inline int max8998_write_reg(struct max8998_dev *max8998, u8 reg,
|
|
u8 value)
|
|
{
|
|
return max8998->dev_write(max8998, reg, value);
|
|
}
|
|
|
|
static inline int max8998_update_reg(struct max8998_dev *max8998, u8 reg,
|
|
u8 value, u8 mask)
|
|
{
|
|
return max8998->dev_update(max8998, reg, value, mask);
|
|
}
|
|
|
|
#endif /* __LINUX_MFD_MAX8998_PRIV_H */
|