442aba7872
This driver adds support for hardware monitoring features of various PMBus devices. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
/*
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* Hardware monitoring driver for PMBus devices
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*
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* Copyright (c) 2010, 2011 Ericsson AB.
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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., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef _PMBUS_H_
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#define _PMBUS_H_
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/* flags */
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/*
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* PMBUS_SKIP_STATUS_CHECK
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*
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* During register detection, skip checking the status register for
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* communication or command errors.
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*
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* Some PMBus chips respond with valid data when trying to read an unsupported
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* register. For such chips, checking the status register is mandatory when
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* trying to determine if a chip register exists or not.
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* Other PMBus chips don't support the STATUS_CML register, or report
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* communication errors for no explicable reason. For such chips, checking
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* the status register must be disabled.
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*/
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#define PMBUS_SKIP_STATUS_CHECK (1 << 0)
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struct pmbus_platform_data {
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u32 flags; /* Device specific flags */
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};
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#endif /* _PMBUS_H_ */
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