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kernel/linux-imx6_3.14.28/include/dt-bindings/pinctrl/am33xx.h 979 Bytes
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  /*
   * This header provides constants specific to AM33XX pinctrl bindings.
   */
  
  #ifndef _DT_BINDINGS_PINCTRL_AM33XX_H
  #define _DT_BINDINGS_PINCTRL_AM33XX_H
  
  #include <dt-bindings/pinctrl/omap.h>
  
  /* am33xx specific mux bit defines */
  #undef PULL_ENA
  #undef INPUT_EN
  
  #define PULL_DISABLE		(1 << 3)
  #define INPUT_EN		(1 << 5)
  #define SLEWCTRL_FAST		(1 << 6)
  
  /* update macro depending on INPUT_EN and PULL_ENA */
  #undef PIN_OUTPUT
  #undef PIN_OUTPUT_PULLUP
  #undef PIN_OUTPUT_PULLDOWN
  #undef PIN_INPUT
  #undef PIN_INPUT_PULLUP
  #undef PIN_INPUT_PULLDOWN
  
  #define PIN_OUTPUT		(PULL_DISABLE)
  #define PIN_OUTPUT_PULLUP	(PULL_UP)
  #define PIN_OUTPUT_PULLDOWN	0
  #define PIN_INPUT		(INPUT_EN | PULL_DISABLE)
  #define PIN_INPUT_PULLUP	(INPUT_EN | PULL_UP)
  #define PIN_INPUT_PULLDOWN	(INPUT_EN)
  
  /* undef non-existing modes */
  #undef PIN_OFF_NONE
  #undef PIN_OFF_OUTPUT_HIGH
  #undef PIN_OFF_OUTPUT_LOW
  #undef PIN_OFF_INPUT_PULLUP
  #undef PIN_OFF_INPUT_PULLDOWN
  #undef PIN_OFF_WAKEUPENABLE
  
  #endif