*
* The following flags determine the initial state of the pin.
*/
-#define AT32_GPIOF_PULLUP 0x00000001 /* Enable pull-up */
-#define AT32_GPIOF_OUTPUT 0x00000002 /* Enable output driver */
-#define AT32_GPIOF_HIGH 0x00000004 /* Set output high */
+#define AT32_GPIOF_PULLUP 0x00000001 /* (not-OUT) Enable pull-up */
+#define AT32_GPIOF_OUTPUT 0x00000002 /* (OUT) Enable output driver */
+#define AT32_GPIOF_HIGH 0x00000004 /* (OUT) Set output high */
+#define AT32_GPIOF_DEGLITCH 0x00000008 /* (IN) Filter glitches */
void at32_select_periph(unsigned int pin, unsigned int periph,
unsigned long flags);
void at32_select_gpio(unsigned int pin, unsigned long flags);
+void at32_reserve_pin(unsigned int pin);
#endif /* __ASM_ARCH_PORTMUX_H__ */