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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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676e02d7a2
The MAX8998 chip have regulator and rtc features. The i2c slave address of regulator and rtc is different, so needs each i2c client on i2c operation functions. Also, this patch exports i2c operation functions instead of callback to make easy to read. Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
93 lines
2.6 KiB
C
93 lines
2.6 KiB
C
/*
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* max8698.h - Voltage regulator driver for the Maxim 8998
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*
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* Copyright (C) 2009-2010 Samsung Electrnoics
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* Kyungmin Park <kyungmin.park@samsung.com>
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* Marek Szyprowski <m.szyprowski@samsung.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __LINUX_MFD_MAX8998_PRIV_H
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#define __LINUX_MFD_MAX8998_PRIV_H
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/* MAX 8998 registers */
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enum {
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MAX8998_REG_IRQ1,
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MAX8998_REG_IRQ2,
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MAX8998_REG_IRQ3,
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MAX8998_REG_IRQ4,
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MAX8998_REG_IRQM1,
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MAX8998_REG_IRQM2,
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MAX8998_REG_IRQM3,
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MAX8998_REG_IRQM4,
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MAX8998_REG_STATUS1,
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MAX8998_REG_STATUS2,
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MAX8998_REG_STATUSM1,
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MAX8998_REG_STATUSM2,
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MAX8998_REG_CHGR1,
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MAX8998_REG_CHGR2,
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MAX8998_REG_LDO_ACTIVE_DISCHARGE1,
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MAX8998_REG_LDO_ACTIVE_DISCHARGE2,
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MAX8998_REG_BUCK_ACTIVE_DISCHARGE3,
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MAX8998_REG_ONOFF1,
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MAX8998_REG_ONOFF2,
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MAX8998_REG_ONOFF3,
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MAX8998_REG_ONOFF4,
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MAX8998_REG_BUCK1_DVSARM1,
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MAX8998_REG_BUCK1_DVSARM2,
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MAX8998_REG_BUCK1_DVSARM3,
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MAX8998_REG_BUCK1_DVSARM4,
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MAX8998_REG_BUCK2_DVSINT1,
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MAX8998_REG_BUCK2_DVSINT2,
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MAX8998_REG_BUCK3,
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MAX8998_REG_BUCK4,
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MAX8998_REG_LDO2_LDO3,
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MAX8998_REG_LDO4,
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MAX8998_REG_LDO5,
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MAX8998_REG_LDO6,
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MAX8998_REG_LDO7,
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MAX8998_REG_LDO8_LDO9,
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MAX8998_REG_LDO10_LDO11,
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MAX8998_REG_LDO12,
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MAX8998_REG_LDO13,
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MAX8998_REG_LDO14,
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MAX8998_REG_LDO15,
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MAX8998_REG_LDO16,
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MAX8998_REG_LDO17,
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MAX8998_REG_BKCHR,
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MAX8998_REG_LBCNFG1,
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MAX8998_REG_LBCNFG2,
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};
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/**
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* struct max8998_dev - max8998 master device for sub-drivers
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* @dev: master device of the chip (can be used to access platform data)
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* @i2c: i2c client private data
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* @iolock: mutex for serializing io access
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*/
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struct max8998_dev {
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struct device *dev;
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struct i2c_client *i2c;
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struct mutex iolock;
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};
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extern int max8998_read_reg(struct i2c_client *i2c, u8 reg, u8 *dest);
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extern int max8998_write_reg(struct i2c_client *i2c, u8 reg, u8 value);
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extern int max8998_update_reg(struct i2c_client *i2c, u8 reg, u8 val, u8 mask);
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#endif /* __LINUX_MFD_MAX8998_PRIV_H */
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