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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 | */ | |
36 | struct pca954x_platform_mode { | |
37 | int adap_id; | |
38 | unsigned int deselect_on_exit:1; | |
eee543e8 | 39 | unsigned int class; |
7f528135 ML |
40 | }; |
41 | ||
42 | /* Per mux/switch data, used with i2c_register_board_info */ | |
43 | struct pca954x_platform_data { | |
44 | struct pca954x_platform_mode *modes; | |
45 | int num_modes; | |
46 | }; | |
47 | ||
48 | #endif /* _LINUX_I2C_PCA954X_H */ |