include/dt-bindings/pinctrl/am33xx.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * This header provides constants specific to AM33XX pinctrl bindings.
   4  */
   5
   6 #ifndef _DT_BINDINGS_PINCTRL_AM33XX_H
   7 #define _DT_BINDINGS_PINCTRL_AM33XX_H
   8
   9 #include <dt-bindings/pinctrl/omap.h>
  10
  11 /* am33xx specific mux bit defines */
  12 #undef PULL_ENA
  13 #undef INPUT_EN
  14
  15 #define PULL_DISABLE            (1 << 3)
  16 #define INPUT_EN                (1 << 5)
  17 #define SLEWCTRL_SLOW           (1 << 6)
  18 #define SLEWCTRL_FAST           0
  19
  20 /* update macro depending on INPUT_EN and PULL_ENA */
  21 #undef PIN_OUTPUT
  22 #undef PIN_OUTPUT_PULLUP
  23 #undef PIN_OUTPUT_PULLDOWN
  24 #undef PIN_INPUT
  25 #undef PIN_INPUT_PULLUP
  26 #undef PIN_INPUT_PULLDOWN
  27
  28 #define PIN_OUTPUT              (PULL_DISABLE)
  29 #define PIN_OUTPUT_PULLUP       (PULL_UP)
  30 #define PIN_OUTPUT_PULLDOWN     0
  31 #define PIN_INPUT               (INPUT_EN | PULL_DISABLE)
  32 #define PIN_INPUT_PULLUP        (INPUT_EN | PULL_UP)
  33 #define PIN_INPUT_PULLDOWN      (INPUT_EN)
  34
  35 /* undef non-existing modes */
  36 #undef PIN_OFF_NONE
  37 #undef PIN_OFF_OUTPUT_HIGH
  38 #undef PIN_OFF_OUTPUT_LOW
  39 #undef PIN_OFF_INPUT_PULLUP
  40 #undef PIN_OFF_INPUT_PULLDOWN
  41 #undef PIN_OFF_WAKEUPENABLE
  42
  43 #endif
  44