/* * 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_ */ |