diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-12 10:06:29 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-12 10:06:29 -0700 |
| commit | 1c00650c233c404fadf9347329214d55283bd17a (patch) | |
| tree | 9de7cda2fe2e54411cc24ff3befd758c9cb9cd74 /include/linux/i2c | |
| parent | 26df0766a73a859bb93dc58e747c5028557a23fd (diff) | |
| parent | 7f528135da9704d67db1f727162024b078e1cd8f (diff) | |
Merge branch 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
* 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
i2c: I2C bus multiplexer driver pca954x
i2c: Multiplexed I2C bus core support
i2c: Use a separate mutex for userspace client lists
i2c: Make i2c_default_probe self-sufficient
i2c: Drop dummy variable
i2c: Move adapter locking helpers to i2c-core
V4L/DVB: Use custom I2C probing function mechanism
i2c: Add support for custom probe function
i2c-dev: Use memdup_user
i2c-dev: Remove unnecessary kmalloc casts
Diffstat (limited to 'include/linux/i2c')
| -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 00000000000..28f1f8d5ab1 --- /dev/null +++ b/include/linux/i2c/pca954x.h @@ -0,0 +1,47 @@ +/* + * + * pca954x.h - I2C multiplexer/switch support + * + * Copyright (c) 2008-2009 Rodolfo Giometti <giometti@linux.it> + * Copyright (c) 2008-2009 Eurotech S.p.A. <info@eurotech.it> + * Michael Lawnick <michael.lawnick.ext@nsn.com> + * + * 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 _LINUX_I2C_PCA954X_H +#define _LINUX_I2C_PCA954X_H + +/* Platform data for the PCA954x I2C multiplexers */ + +/* Per channel initialisation data: + * @adap_id: bus number for the adapter. 0 = don't care + * @deselect_on_exit: set this entry to 1, if your H/W needs deselection + * of this channel after transaction. + * + */ +struct pca954x_platform_mode { + int adap_id; + unsigned int deselect_on_exit:1; +}; + +/* Per mux/switch data, used with i2c_register_board_info */ +struct pca954x_platform_data { + struct pca954x_platform_mode *modes; + int num_modes; +}; + +#endif /* _LINUX_I2C_PCA954X_H */ |