diff --git a/drivers/net/wireless/ath/wcn36xx/main.c b/drivers/net/wireless/ath/wcn36xx/main.c
index 35bd50bcbbd5..fc4130829489 100644
--- a/drivers/net/wireless/ath/wcn36xx/main.c
+++ b/drivers/net/wireless/ath/wcn36xx/main.c
@@ -1136,7 +1136,8 @@ static int wcn36xx_init_ieee80211(struct wcn36xx *wcn)
 		BIT(NL80211_IFTYPE_MESH_POINT);
 
 	wcn->hw->wiphy->bands[NL80211_BAND_2GHZ] = &wcn_band_2ghz;
-	wcn->hw->wiphy->bands[NL80211_BAND_5GHZ] = &wcn_band_5ghz;
+	if (wcn->rf_id != RF_IRIS_WCN3620)
+		wcn->hw->wiphy->bands[NL80211_BAND_5GHZ] = &wcn_band_5ghz;
 
 	wcn->hw->wiphy->max_scan_ssids = WCN36XX_MAX_SCAN_SSIDS;
 	wcn->hw->wiphy->max_scan_ie_len = WCN36XX_MAX_SCAN_IE_LEN;
@@ -1169,6 +1170,7 @@ static int wcn36xx_platform_get_resources(struct wcn36xx *wcn,
 					  struct platform_device *pdev)
 {
 	struct device_node *mmio_node;
+	struct device_node *iris_node;
 	struct resource *res;
 	int index;
 	int ret;
@@ -1231,6 +1233,14 @@ static int wcn36xx_platform_get_resources(struct wcn36xx *wcn,
 		goto unmap_ccu;
 	}
 
+	/* External RF module */
+	iris_node = of_find_node_by_name(mmio_node, "iris");
+	if (iris_node) {
+		if (of_device_is_compatible(iris_node, "qcom,wcn3620"))
+			wcn->rf_id = RF_IRIS_WCN3620;
+		of_node_put(iris_node);
+	}
+
 	of_node_put(mmio_node);
 	return 0;
 
diff --git a/drivers/net/wireless/ath/wcn36xx/wcn36xx.h b/drivers/net/wireless/ath/wcn36xx/wcn36xx.h
index 6aefba4c0cda..81017e6703b4 100644
--- a/drivers/net/wireless/ath/wcn36xx/wcn36xx.h
+++ b/drivers/net/wireless/ath/wcn36xx/wcn36xx.h
@@ -94,6 +94,9 @@ enum wcn36xx_ampdu_state {
 #define WCN36XX_FLAGS(__wcn) (__wcn->hw->flags)
 #define WCN36XX_MAX_POWER(__wcn) (__wcn->hw->conf.chandef.chan->max_power)
 
+#define RF_UNKNOWN	0x0000
+#define RF_IRIS_WCN3620	0x3620
+
 static inline void buff_to_be(u32 *buf, size_t len)
 {
 	int i;
@@ -241,6 +244,9 @@ struct wcn36xx {
 
 	struct sk_buff		*tx_ack_skb;
 
+	/* RF module */
+	unsigned		rf_id;
+
 #ifdef CONFIG_WCN36XX_DEBUGFS
 	/* Debug file system entry */
 	struct wcn36xx_dfs_entry    dfs;