/* SPDX-License-Identifier: GPL-2.0 */

  #ifndef _GPIO_KEYS_H
  #define _GPIO_KEYS_H

  struct device;

  /**
   * struct gpio_keys_button - configuration parameters
   * @code:		input event code (KEY_*, SW_*)
   * @gpio:		%-1 if this key does not support gpio
   * @active_low:		%true indicates that button is considered
   *			depressed when gpio is low
   * @desc:		label that will be attached to button's gpio
   * @type:		input event type (%EV_KEY, %EV_SW, %EV_ABS)
   * @wakeup:		configure the button as a wake-up source
   * @debounce_interval:	debounce ticks interval in msecs
   * @can_disable:	%true indicates that userspace is allowed to
   *			disable button via sysfs
   * @value:		axis value for %EV_ABS
   * @irq:		Irq number in case of interrupt keys
   */

  struct gpio_keys_button {

  	unsigned int code;
  	int gpio;

  	int active_low;

  	const char *desc;

  	unsigned int type;
  	int wakeup;
  	int debounce_interval;

  	bool can_disable;

  	int value;
  	unsigned int irq;

  };

  /**
   * struct gpio_keys_platform_data - platform data for gpio_keys driver
   * @buttons:		pointer to array of &gpio_keys_button structures
   *			describing buttons attached to the device
   * @nbuttons:		number of elements in @buttons array
   * @poll_interval:	polling interval in msecs - for polling driver only
   * @rep:		enable input subsystem auto repeat
   * @enable:		platform hook for enabling the device
   * @disable:		platform hook for disabling the device
   * @name:		input device name
   */

  struct gpio_keys_platform_data {

  	const struct gpio_keys_button *buttons;

  	int nbuttons;

  	unsigned int poll_interval;
  	unsigned int rep:1;

  	int (*enable)(struct device *dev);
  	void (*disable)(struct device *dev);

  	const char *name;

  };
  
  #endif