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kernel/linux-rt-4.4.41/include/linux/platform_data/max3421-hcd.h 769 Bytes
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  /*
   * Copyright (c) 2014 eGauge Systems LLC
   *	Contributed by David Mosberger-Tang <davidm@egauge.net>
   *
   * Platform-data structure for MAX3421 USB HCD driver.
   *
   */
  #ifndef MAX3421_HCD_PLAT_H_INCLUDED
  #define MAX3421_HCD_PLAT_H_INCLUDED
  
  /*
   * This structure defines the mapping of certain auxiliary functions to the
   * MAX3421E GPIO pins.  The chip has eight GP inputs and eight GP outputs.
   * A value of 0 indicates that the pin is not used/wired to anything.
   *
   * At this point, the only control the max3421-hcd driver cares about is
   * to control Vbus (5V to the peripheral).
   */
  struct max3421_hcd_platform_data {
  	u8 vbus_gpout;			/* pin controlling Vbus */
  	u8 vbus_active_level;		/* level that turns on power */
  };
  
  #endif /* MAX3421_HCD_PLAT_H_INCLUDED */