diff options
Diffstat (limited to 'include/asm-generic/gpio.h')
| -rw-r--r-- | include/asm-generic/gpio.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h index 36a36c6..a827a56 100644 --- a/include/asm-generic/gpio.h +++ b/include/asm-generic/gpio.h @@ -95,6 +95,22 @@ enum gpio_func_t { struct udevice; +struct gpio_desc { + struct udevice *dev; /* Device, NULL for invalid GPIO */ + unsigned long flags; +#define GPIOD_REQUESTED (1 << 0) /* Requested/claimed */ +#define GPIOD_IS_OUT (1 << 1) /* GPIO is an output */ +#define GPIOD_IS_IN (1 << 2) /* GPIO is an output */ +#define GPIOD_ACTIVE_LOW (1 << 3) /* value has active low */ +#define GPIOD_IS_OUT_ACTIVE (1 << 4) /* set output active */ + + uint offset; /* GPIO offset within the device */ + /* + * We could consider adding the GPIO label in here. Possibly we could + * use this structure for internal GPIO information. + */ +}; + /** * gpio_get_status() - get the current GPIO status as a string * |