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/*
* Hardware monitoring driver for PMBus devices
*
* Copyright (c) 2010, 2011 Ericsson AB.
*
* 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 _PMBUS_H_
#define _PMBUS_H_
/* flags */
/*
* PMBUS_SKIP_STATUS_CHECK
*
* During register detection, skip checking the status register for
* communication or command errors.
*
* Some PMBus chips respond with valid data when trying to read an unsupported
* register. For such chips, checking the status register is mandatory when
* trying to determine if a chip register exists or not.
* Other PMBus chips don't support the STATUS_CML register, or report
* communication errors for no explicable reason. For such chips, checking
* the status register must be disabled.
*/
#define PMBUS_SKIP_STATUS_CHECK (1 << 0)
struct pmbus_platform_data {
u32 flags; /* Device specific flags */
/* regulator support */
int num_regulators;
struct regulator_init_data *reg_init_data;
};
#endif /* _PMBUS_H_ */