kernel/include/dt-bindings/pinctrl/at91.h

   1 /*
   2  * This header provides constants for most at91 pinctrl bindings.
   3  *
   4  * Copyright (C) 2013 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
   5  *
   6  * GPLv2 only
   7  */
   8
   9 #ifndef __DT_BINDINGS_AT91_PINCTRL_H__
  10 #define __DT_BINDINGS_AT91_PINCTRL_H__
  11
  12 #define AT91_PINCTRL_NONE               (0 << 0)
  13 #define AT91_PINCTRL_PULL_UP            (1 << 0)
  14 #define AT91_PINCTRL_MULTI_DRIVE        (1 << 1)
  15 #define AT91_PINCTRL_DEGLITCH           (1 << 2)
  16 #define AT91_PINCTRL_PULL_DOWN          (1 << 3)
  17 #define AT91_PINCTRL_DIS_SCHMIT         (1 << 4)
  18 #define AT91_PINCTRL_DEBOUNCE           (1 << 16)
  19 #define AT91_PINCTRL_DEBOUNCE_VAL(x)    (x << 17)
  20
  21 #define AT91_PINCTRL_PULL_UP_DEGLITCH   (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DEGLITCH)
  22
  23 #define AT91_PINCTRL_DRIVE_STRENGTH_DEFAULT             (0x0 << 5)
  24 #define AT91_PINCTRL_DRIVE_STRENGTH_LOW                 (0x1 << 5)
  25 #define AT91_PINCTRL_DRIVE_STRENGTH_MED                 (0x2 << 5)
  26 #define AT91_PINCTRL_DRIVE_STRENGTH_HI                  (0x3 << 5)
  27
  28 #define AT91_PIOA       0
  29 #define AT91_PIOB       1
  30 #define AT91_PIOC       2
  31 #define AT91_PIOD       3
  32 #define AT91_PIOE       4
  33
  34 #define AT91_PERIPH_GPIO        0
  35 #define AT91_PERIPH_A           1
  36 #define AT91_PERIPH_B           2
  37 #define AT91_PERIPH_C           3
  38 #define AT91_PERIPH_D           4
  39
  40 #endif /* __DT_BINDINGS_AT91_PINCTRL_H__ */