diff --git a/drivers/net/wireless/ti/wl18xx/acx.c b/drivers/net/wireless/ti/wl18xx/acx.c
index 4be0409308cb..b5525a38264b 100644
--- a/drivers/net/wireless/ti/wl18xx/acx.c
+++ b/drivers/net/wireless/ti/wl18xx/acx.c
@@ -309,3 +309,32 @@ int wl18xx_acx_dynamic_fw_traces(struct wl1271 *wl)
 	kfree(acx);
 	return ret;
 }
+
+int wl18xx_acx_time_sync_cfg(struct wl1271 *wl)
+{
+	struct acx_time_sync_cfg *acx;
+	int ret;
+
+	wl1271_debug(DEBUG_ACX, "acx time sync cfg: mode %d, addr: %pM",
+		     wl->conf.sg.params[WL18XX_CONF_SG_TIME_SYNC],
+		     wl->zone_master_mac_addr);
+
+	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
+	if (!acx) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	acx->sync_mode = wl->conf.sg.params[WL18XX_CONF_SG_TIME_SYNC];
+	memcpy(acx->zone_mac_addr, wl->zone_master_mac_addr, ETH_ALEN);
+
+	ret = wl1271_cmd_configure(wl, ACX_TIME_SYNC_CFG,
+				   acx, sizeof(*acx));
+	if (ret < 0) {
+		wl1271_warning("acx time sync cfg failed: %d", ret);
+		goto out;
+	}
+out:
+	kfree(acx);
+	return ret;
+}
diff --git a/drivers/net/wireless/ti/wl18xx/acx.h b/drivers/net/wireless/ti/wl18xx/acx.h
index 342a2993ef98..2edbbbfd8421 100644
--- a/drivers/net/wireless/ti/wl18xx/acx.h
+++ b/drivers/net/wireless/ti/wl18xx/acx.h
@@ -37,6 +37,7 @@ enum {
 	ACX_RX_BA_FILTER		 = 0x0058,
 	ACX_AP_SLEEP_CFG                 = 0x0059,
 	ACX_DYNAMIC_TRACES_CFG		 = 0x005A,
+	ACX_TIME_SYNC_CFG		 = 0x005B,
 };
 
 /* numbers of bits the length field takes (add 1 for the actual number) */
@@ -388,6 +389,17 @@ struct acx_dynamic_fw_traces_cfg {
 	__le32 dynamic_fw_traces;
 } __packed;
 
+/*
+ * ACX_TIME_SYNC_CFG
+ * configure the time sync parameters
+ */
+struct acx_time_sync_cfg {
+	struct acx_header header;
+	u8 sync_mode;
+	u8 zone_mac_addr[ETH_ALEN];
+	u8 padding[1];
+} __packed;
+
 int wl18xx_acx_host_if_cfg_bitmap(struct wl1271 *wl, u32 host_cfg_bitmap,
 				  u32 sdio_blk_size, u32 extra_mem_blks,
 				  u32 len_field_size);
@@ -402,5 +414,6 @@ int wl18xx_acx_interrupt_notify_config(struct wl1271 *wl, bool action);
 int wl18xx_acx_rx_ba_filter(struct wl1271 *wl, bool action);
 int wl18xx_acx_ap_sleep(struct wl1271 *wl);
 int wl18xx_acx_dynamic_fw_traces(struct wl1271 *wl);
+int wl18xx_acx_time_sync_cfg(struct wl1271 *wl);
 
 #endif /* __WL18XX_ACX_H__ */
diff --git a/drivers/net/wireless/ti/wl18xx/event.c b/drivers/net/wireless/ti/wl18xx/event.c
index 2c5df43b8ed9..b36ce185c9f2 100644
--- a/drivers/net/wireless/ti/wl18xx/event.c
+++ b/drivers/net/wireless/ti/wl18xx/event.c
@@ -22,6 +22,7 @@
 #include <net/genetlink.h>
 #include "event.h"
 #include "scan.h"
+#include "conf.h"
 #include "../wlcore/cmd.h"
 #include "../wlcore/debug.h"
 #include "../wlcore/vendor_cmd.h"
diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h b/drivers/net/wireless/ti/wlcore/wlcore.h
index 8f28aa02230c..1827546ba807 100644
--- a/drivers/net/wireless/ti/wlcore/wlcore.h
+++ b/drivers/net/wireless/ti/wlcore/wlcore.h
@@ -501,6 +501,9 @@ struct wl1271 {
 
 	/* dynamic fw traces */
 	u32 dynamic_fw_traces;
+
+	/* time sync zone master */
+	u8 zone_master_mac_addr[ETH_ALEN];
 };
 
 int wlcore_probe(struct wl1271 *wl, struct platform_device *pdev);