diff options
Diffstat (limited to 'include/dt-bindings/pinctrl/am33xx.h')
| -rw-r--r-- | include/dt-bindings/pinctrl/am33xx.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/include/dt-bindings/pinctrl/am33xx.h b/include/dt-bindings/pinctrl/am33xx.h new file mode 100644 index 000000000..226f77246 --- /dev/null +++ b/include/dt-bindings/pinctrl/am33xx.h @@ -0,0 +1,43 @@ +/* + * 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_SLOW (1 << 6) +#define SLEWCTRL_FAST 0 + +/* 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 + |