1 files changed, 5 insertions, 3 deletions

diff --git a/include/asm-avr32/arch-at32ap/portmux.h b/include/asm-avr32/arch-at32ap/portmux.h
index 83c690571322..9930871decde 100644
--- a/include/asm-avr32/arch-at32ap/portmux.h
+++ b/include/asm-avr32/arch-at32ap/portmux.h
@@ -15,12 +15,14 @@
  *
  * 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__ */