/*

   * i2c-mux-gpio interface to platform code

   *
   * Peter Korsgaard <peter.korsgaard@barco.com>
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   */

  #ifndef _LINUX_I2C_MUX_GPIO_H
  #define _LINUX_I2C_MUX_GPIO_H

  
  /* MUX has no specific idle mode */

  #define I2C_MUX_GPIO_NO_IDLE	((unsigned)-1)

  
  /**

   * struct i2c_mux_gpio_platform_data - Platform-dependent data for i2c-mux-gpio

   * @parent: Parent I2C bus adapter number
   * @base_nr: Base I2C bus number to number adapters from or zero for dynamic
   * @values: Array of bitmasks of GPIO settings (low/high) for each
   *	position
   * @n_values: Number of multiplexer positions (busses to instantiate)

   * @classes: Optional I2C auto-detection classes

   * @gpio_chip: Optional GPIO chip name; if set, GPIO pin numbers are given
   *	relative to the base GPIO number of that chip

   * @gpios: Array of GPIO numbers used to control MUX
   * @n_gpios: Number of GPIOs used to control MUX
   * @idle: Bitmask to write to MUX when idle or GPIO_I2CMUX_NO_IDLE if not used
   */

  struct i2c_mux_gpio_platform_data {

  	int parent;
  	int base_nr;
  	const unsigned *values;
  	int n_values;

  	const unsigned *classes;

  	char *gpio_chip;

  	const unsigned *gpios;
  	int n_gpios;
  	unsigned idle;
  };

  #endif /* _LINUX_I2C_MUX_GPIO_H */