of_get_named_gpio_flags

The interface has the following parameters.
  • Synopsis: 
    int of_get_named_gpio_flags(const struct device_node *np, const char *list_name, int index, enum of_gpio_flags *flags)
  • Description: The function is used to obtain a GPIO number from the DTS file and analyze its GPIO properties.
  • Parameter:
    • np: Device node to get GPIO from.
    • propname: Name of the property containing GPIO specifier(s).
    • index: Index of the GPIO
    • flags: Enumerate of_gpio_flags variables, including IO configuration, pull-up and pull-down settings, drive strength settings, etc.
  • Return:
    • Success: The GPIO index number.
    • Failure: Error code.