diff --git a/include/linux/rfkill-wlan.h b/include/linux/rfkill-wlan.h
index 92f9522bef74..2cead6d09a15 100644
--- a/include/linux/rfkill-wlan.h
+++ b/include/linux/rfkill-wlan.h
@@ -5,6 +5,7 @@
 #include <linux/types.h>
 #include <linux/init.h>
 #include <linux/device.h>
+#include <linux/clk.h>
 
 struct rksdmmc_iomux {
     char    *name;  //set the MACRO of gpio
@@ -42,6 +43,7 @@ struct rksdmmc_gpio_wifi_moudle {
     struct rksdmmc_gpio   ANTSEL3;  //pin6--ANTSEL3 
     struct rksdmmc_gpio   GPS_LAN;  //pin33--GPS_LAN
     struct regmap *grf;
+	struct clk *ext_clk;
 };
 
 enum {
diff --git a/net/rfkill/rfkill-wlan.c b/net/rfkill/rfkill-wlan.c
index f8ee30532b8c..7c1e3da3383a 100644
--- a/net/rfkill/rfkill-wlan.c
+++ b/net/rfkill/rfkill-wlan.c
@@ -597,6 +597,7 @@ static int wlan_platdata_parse_dt(struct device *dev,
     u32 value;
     int gpio,ret;
     enum of_gpio_flags flags;
+	u32 ext_clk_value = 0;
 
     if (!node)
         return -ENODEV;
@@ -677,6 +678,28 @@ static int wlan_platdata_parse_dt(struct device *dev,
         } else data->wifi_int_b.io = -1;
 	}
 
+	data->ext_clk = devm_clk_get(dev, "clk_wifi");
+	if (IS_ERR(data->ext_clk)) {
+		LOG("%s: The ref_wifi_clk not found !\n", __func__);
+	} else {
+		of_property_read_u32(node, "ref-clock-frequency",
+				     &ext_clk_value);
+		if (ext_clk_value > 0) {
+			ret = clk_set_rate(data->ext_clk, ext_clk_value);
+			if (ret)
+				LOG("%s: set ref clk error!\n", __func__);
+			ret = clk_prepare_enable(data->ext_clk);
+			if (ret)
+				LOG("%s: enable ref clk error!\n", __func__);
+			/* WIFI clock (REF_CLKOUT) output enable.
+			 * 1'b0: drive disable
+			 * 1'b1: output enable
+			 */
+			if (of_machine_is_compatible("rockchip,rk3308"))
+				regmap_write(data->grf, 0x0314, 0x00020002);
+		}
+	}
+
     return 0;
 }
 #endif //CONFIG_OF