extern int at91_set_gpio_input(unsigned pin, int use_pullup);
extern int at91_set_gpio_output(unsigned pin, int value);
extern int at91_set_deglitch(unsigned pin, int is_on);
+extern int at91_set_multi_drive(unsigned pin, int is_on);
/* callable at any time */
extern int at91_set_gpio_value(unsigned pin, int value);