diff --git a/sys/dev/ath/if_ath_btcoex.c b/sys/dev/ath/if_ath_btcoex.c
index 91435de6e14..fff6f3b93ef 100644
--- a/sys/dev/ath/if_ath_btcoex.c
+++ b/sys/dev/ath/if_ath_btcoex.c
@@ -129,6 +129,64 @@ ath_btcoex_cfg_wb195(struct ath_softc *sc)
 	return (0);
 }
 
+/*
+ * Initial AR9485 / (WB225) bluetooth coexistence settings,
+ * just for experimentation.
+ *
+ * Return 0 for OK; errno for error.
+ */
+static int
+ath_btcoex_cfg_wb225(struct ath_softc *sc)
+{
+	HAL_BT_COEX_INFO btinfo;
+	HAL_BT_COEX_CONFIG btconfig;
+	struct ath_hal *ah = sc->sc_ah;
+
+	if (! ath_hal_btcoex_supported(ah))
+		return (EINVAL);
+
+	bzero(&btinfo, sizeof(btinfo));
+	bzero(&btconfig, sizeof(btconfig));
+
+	device_printf(sc->sc_dev, "Enabling WB225 BTCOEX\n");
+
+	btinfo.bt_module = HAL_BT_MODULE_JANUS;	/* XXX not used? */
+	btinfo.bt_coex_config = HAL_BT_COEX_CFG_3WIRE;
+	/*
+	 * These are the three GPIO pins hooked up between the AR9485 and
+	 * the bluetooth module.
+	 */
+	btinfo.bt_gpio_bt_active = 4;
+	btinfo.bt_gpio_bt_priority = 8;
+	btinfo.bt_gpio_wlan_active = 5;
+
+	btinfo.bt_active_polarity = 1;	/* XXX not used */
+	btinfo.bt_single_ant = 1;	/* 1 antenna on ar9285 ? */
+	btinfo.bt_isolation = 0;	/* in dB, not used */
+
+	ath_hal_btcoex_set_info(ah, &btinfo);
+
+	btconfig.bt_time_extend = 0;
+	btconfig.bt_txstate_extend = 1;	/* true */
+	btconfig.bt_txframe_extend = 1;	/* true */
+	btconfig.bt_mode = HAL_BT_COEX_MODE_SLOTTED;
+	btconfig.bt_quiet_collision = 1;	/* true */
+	btconfig.bt_rxclear_polarity = 1;	/* true */
+	btconfig.bt_priority_time = 2;
+	btconfig.bt_first_slot_time = 5;
+	btconfig.bt_hold_rxclear = 1;	/* true */
+
+	ath_hal_btcoex_set_config(ah, &btconfig);
+
+	/*
+	 * Enable antenna diversity.
+	 */
+	ath_hal_btcoex_set_parameter(ah, HAL_BT_COEX_ANTENNA_DIVERSITY, 1);
+
+	return (0);
+}
+
+
 #if 0
 /*
  * When using bluetooth coexistence, ASPM needs to be disabled
@@ -183,6 +241,8 @@ ath_btcoex_attach(struct ath_softc *sc)
 
 	if (strncmp(profname, "wb195", 5) == 0) {
 		ret = ath_btcoex_cfg_wb195(sc);
+	} else if (strncmp(profname, "wb225", 5) == 0) {
+		ret = ath_btcoex_cfg_wb225(sc);
 	} else {
 		return (0);
 	}