#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 of_phandle_args;
  
  /**
   * 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