diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/gpio.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/gpio.h b/include/gpio.h index 31f68b1c4b..6b76f29d04 100644 --- a/include/gpio.h +++ b/include/gpio.h @@ -10,6 +10,13 @@ #include "common.h" +/* + * GPIO_CONFIG_ALL_PORTS signifies a "don't care" for the GPIO port. This is + * used in gpio_config_pins(). When the port parameter is set to this, the + * pin_mask parameter is ignored. + */ +#define GPIO_CONFIG_ALL_PORTS 0xFFFFFFFF + /* Flag definitions for gpio_info and gpio_alt_func */ /* The following are valid for both gpio_info and gpio_alt_func: */ #define GPIO_OPEN_DRAIN (1 << 0) /* Output type is open-drain */ @@ -129,6 +136,9 @@ void gpio_config_module(enum module_id id, int enable); /** * Enable/disable alternate function for pins * + * Note, you can also configure an entire module by setting the port parameter + * equal to GPIO_CONFIG_ALL_PORTS. + * * @param id module ID of pins * @param port Port of pins * @param pin_mask Bit mask of pins |