diff options
Diffstat (limited to 'include/gpio.h')
| -rw-r--r-- | include/gpio.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/gpio.h b/include/gpio.h index 52638e4222..b588659a88 100644 --- a/include/gpio.h +++ b/include/gpio.h @@ -30,6 +30,7 @@ #define GPIO_INT_DSLEEP (1 << 14) /* Interrupt in deep sleep */ #define GPIO_INT_SHARED (1 << 15) /* Shared among multiple pins */ #define GPIO_SEL_1P8V (1 << 16) /* Support 1.8v */ +#define GPIO_ALTERNATE (1 << 17) /* GPIO used for alternate function. */ /* Common flag combinations */ #define GPIO_OUT_LOW (GPIO_OUTPUT | GPIO_LOW) @@ -146,6 +147,24 @@ int gpio_is_implemented(enum gpio_signal signal); */ void gpio_set_flags(enum gpio_signal signal, int flags); +#ifdef CONFIG_CMD_GPIO_EXTENDED +/** + * Get the current flags for a signal. + * + * @param signal Signal to get flags for + * @returns The flags that are currently defined for this signal + */ +int gpio_get_flags(enum gpio_signal signal); + +/** + * Get flags for GPIO by port and mask. + * + * @param port GPIO port to set (GPIO_*) + * @param mask Bitmask of pins on that port to check: one only. + */ +int gpio_get_flags_by_mask(uint32_t port, uint32_t mask); +#endif + /** * Get the default flags for a signal. * @@ -211,6 +230,7 @@ int gpio_disable_interrupt(enum gpio_signal signal); */ void gpio_set_flags_by_mask(uint32_t port, uint32_t mask, uint32_t flags); + /** * Set alternate function for GPIO(s). * |