diff options
Diffstat (limited to 'include/linux/i2c/pca954x.h')
-rw-r--r-- | include/linux/i2c/pca954x.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/include/linux/i2c/pca954x.h b/include/linux/i2c/pca954x.h new file mode 100644 index 000000000000..28f1f8d5ab1f --- /dev/null +++ b/include/linux/i2c/pca954x.h | |||
@@ -0,0 +1,47 @@ | |||
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; | ||
39 | }; | ||
40 | |||
41 | /* Per mux/switch data, used with i2c_register_board_info */ | ||
42 | struct pca954x_platform_data { | ||
43 | struct pca954x_platform_mode *modes; | ||
44 | int num_modes; | ||
45 | }; | ||
46 | |||
47 | #endif /* _LINUX_I2C_PCA954X_H */ | ||