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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-07-02 09:01:31 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-07-02 09:01:31 -0700 |
| commit | 27eb2c4b3d3e13f376a359e293c212a2e9407af5 (patch) | |
| tree | 556aa7b5cd6eeb4214dec129c789515157187010 /include/linux/reset-controller.h | |
| parent | 5705b8aca5a80141de5637ff0e23b31b26f2c5bf (diff) | |
| parent | 67bf12ca50d524f9e225347fe63533562e2004de (diff) | |
Merge branch 'next' into for-linus
Prepare first set of updates for 3.11 merge window.
Diffstat (limited to 'include/linux/reset-controller.h')
| -rw-r--r-- | include/linux/reset-controller.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/include/linux/reset-controller.h b/include/linux/reset-controller.h new file mode 100644 index 000000000000..2f61311ae3e0 --- /dev/null +++ b/include/linux/reset-controller.h @@ -0,0 +1,51 @@ +#ifndef _LINUX_RESET_CONTROLLER_H_ +#define _LINUX_RESET_CONTROLLER_H_ + +#include <linux/list.h> + +struct reset_controller_dev; + +/** + * struct reset_control_ops + * + * @reset: for self-deasserting resets, does all necessary + * things to reset the device + * @assert: manually assert the reset line, if supported + * @deassert: manually deassert the reset line, if supported + */ +struct reset_control_ops { + int (*reset)(struct reset_controller_dev *rcdev, unsigned long id); + int (*assert)(struct reset_controller_dev *rcdev, unsigned long id); + int (*deassert)(struct reset_controller_dev *rcdev, unsigned long id); +}; + +struct module; +struct device_node; + +/** + * struct reset_controller_dev - reset controller entity that might + * provide multiple reset controls + * @ops: a pointer to device specific struct reset_control_ops + * @owner: kernel module of the reset controller driver + * @list: internal list of reset controller devices + * @of_node: corresponding device tree node as phandle target + * @of_reset_n_cells: number of cells in reset line specifiers + * @of_xlate: translation function to translate from specifier as found in the + * device tree to id as given to the reset control ops + * @nr_resets: number of reset controls in this reset controller device + */ +struct reset_controller_dev { + struct reset_control_ops *ops; + struct module *owner; + struct list_head list; + struct device_node *of_node; + int of_reset_n_cells; + int (*of_xlate)(struct reset_controller_dev *rcdev, + const struct of_phandle_args *reset_spec); + unsigned int nr_resets; +}; + +int reset_controller_register(struct reset_controller_dev *rcdev); +void reset_controller_unregister(struct reset_controller_dev *rcdev); + +#endif |
