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kernel/linux-rt-4.4.41/include/dt-bindings/pinctrl/at91.h 1.13 KB
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  /*
   * This header provides constants for most at91 pinctrl bindings.
   *
   * Copyright (C) 2013 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
   *
   * GPLv2 only
   */
  
  #ifndef __DT_BINDINGS_AT91_PINCTRL_H__
  #define __DT_BINDINGS_AT91_PINCTRL_H__
  
  #define AT91_PINCTRL_NONE		(0 << 0)
  #define AT91_PINCTRL_PULL_UP		(1 << 0)
  #define AT91_PINCTRL_MULTI_DRIVE	(1 << 1)
  #define AT91_PINCTRL_DEGLITCH		(1 << 2)
  #define AT91_PINCTRL_PULL_DOWN		(1 << 3)
  #define AT91_PINCTRL_DIS_SCHMIT		(1 << 4)
  #define AT91_PINCTRL_DEBOUNCE		(1 << 16)
  #define AT91_PINCTRL_DEBOUNCE_VAL(x)	(x << 17)
  
  #define AT91_PINCTRL_PULL_UP_DEGLITCH	(AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DEGLITCH)
  
  #define AT91_PINCTRL_DRIVE_STRENGTH_DEFAULT		(0x0 << 5)
  #define AT91_PINCTRL_DRIVE_STRENGTH_LOW			(0x1 << 5)
  #define AT91_PINCTRL_DRIVE_STRENGTH_MED			(0x2 << 5)
  #define AT91_PINCTRL_DRIVE_STRENGTH_HI			(0x3 << 5)
  
  #define AT91_PIOA	0
  #define AT91_PIOB	1
  #define AT91_PIOC	2
  #define AT91_PIOD	3
  #define AT91_PIOE	4
  
  #define AT91_PERIPH_GPIO	0
  #define AT91_PERIPH_A		1
  #define AT91_PERIPH_B		2
  #define AT91_PERIPH_C		3
  #define AT91_PERIPH_D		4
  
  #endif /* __DT_BINDINGS_AT91_PINCTRL_H__ */