1/* 2 * 3 * pca954x.h - I2C multiplexer/switch support 4 * 5 * Copyright (c) 2008-2009 Rodolfo Giometti <giometti@linux.it> 6 * Copyright (c) 2008-2009 Eurotech S.p.A. <info@eurotech.it> 7 * Michael Lawnick <michael.lawnick.ext@nsn.com> 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 22 */ 23 24 25#ifndef _LINUX_I2C_PCA954X_H 26#define _LINUX_I2C_PCA954X_H 27 28/* Platform data for the PCA954x I2C multiplexers */ 29 30/* Per channel initialisation data: 31 * @adap_id: bus number for the adapter. 0 = don't care 32 * @deselect_on_exit: set this entry to 1, if your H/W needs deselection 33 * of this channel after transaction. 34 * 35 */ 36struct pca954x_platform_mode { 37 int adap_id; 38 unsigned int deselect_on_exit:1; 39}; 40 41/* Per mux/switch data, used with i2c_register_board_info */ 42struct pca954x_platform_data { 43 struct pca954x_platform_mode *modes; 44 int num_modes; 45}; 46 47#endif /* _LINUX_I2C_PCA954X_H */ 48