diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index a55db3bc13e6..6f7faf08b925 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -3440,7 +3440,9 @@ u32 ath9k_hw_gpio_get(struct ath_hw *ah, u32 gpio)
 	if (gpio >= ah->caps.num_gpio_pins)
 		return 0xffffffff;
 
-	if (AR_SREV_9271(ah))
+	if (AR_SREV_9300_20_OR_LATER(ah))
+		return MS_REG_READ(AR9300, gpio) != 0;
+	else if (AR_SREV_9271(ah))
 		return MS_REG_READ(AR9271, gpio) != 0;
 	else if (AR_SREV_9287_10_OR_LATER(ah))
 		return MS_REG_READ(AR9287, gpio) != 0;
diff --git a/drivers/net/wireless/ath/ath9k/reg.h b/drivers/net/wireless/ath/ath9k/reg.h
index d56b4eada165..d52489149167 100644
--- a/drivers/net/wireless/ath/ath9k/reg.h
+++ b/drivers/net/wireless/ath/ath9k/reg.h
@@ -954,6 +954,7 @@ enum {
 #define AR9285_NUM_GPIO                          12
 #define AR9287_NUM_GPIO                          11
 #define AR9271_NUM_GPIO                          16
+#define AR9300_NUM_GPIO                          17
 
 #define AR_GPIO_IN_OUT                           0x4048
 #define AR_GPIO_IN_VAL                           0x0FFFC000