1 /* 2 * Hardware monitoring driver for PMBus devices 3 * 4 * Copyright (c) 2010, 2011 Ericsson AB. 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 19 */ 20 21 #ifndef _PMBUS_H_ 22 #define _PMBUS_H_ 23 24 /* flags */ 25 26 /* 27 * PMBUS_SKIP_STATUS_CHECK 28 * 29 * During register detection, skip checking the status register for 30 * communication or command errors. 31 * 32 * Some PMBus chips respond with valid data when trying to read an unsupported 33 * register. For such chips, checking the status register is mandatory when 34 * trying to determine if a chip register exists or not. 35 * Other PMBus chips don't support the STATUS_CML register, or report 36 * communication errors for no explicable reason. For such chips, checking 37 * the status register must be disabled. 38 */ 39 #define PMBUS_SKIP_STATUS_CHECK (1 << 0) 40 41 struct pmbus_platform_data { 42 u32 flags; /* Device specific flags */ 43 44 /* regulator support */ 45 int num_regulators; 46 struct regulator_init_data *reg_init_data; 47 }; 48 49 #endif /* _PMBUS_H_ */ 50