diff options
Diffstat (limited to 'kernel/include/dt-bindings/pinctrl/at91.h')
| -rw-r--r-- | kernel/include/dt-bindings/pinctrl/at91.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/kernel/include/dt-bindings/pinctrl/at91.h b/kernel/include/dt-bindings/pinctrl/at91.h new file mode 100644 index 000000000..bbca3d038 --- /dev/null +++ b/kernel/include/dt-bindings/pinctrl/at91.h @@ -0,0 +1,40 @@ +/* + * 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__ */ |