diff --git a/target/linux/generic/files/drivers/net/phy/rtl8367b.c b/target/linux/generic/files/drivers/net/phy/rtl8367b.c
index c70a14486f..5775fa4e98 100644
--- a/target/linux/generic/files/drivers/net/phy/rtl8367b.c
+++ b/target/linux/generic/files/drivers/net/phy/rtl8367b.c
@@ -862,6 +862,40 @@ static int rtl8367b_extif_init(struct rtl8366_smi *smi, int id,
 	return 0;
 }
 
+#ifdef CONFIG_OF
+static int rtl8367b_extif_init_of(struct rtl8366_smi *smi, int id, const char *name)
+{
+	struct rtl8367_extif_config *cfg;
+	const __be32 *prop;
+	int size;
+
+	prop = of_get_property(smi->parent->of_node, name, &size);
+	if (!prop || size != (9 * sizeof(*prop)))
+		return 0;
+
+	cfg = kzalloc(sizeof(struct rtl8367_extif_config), GFP_KERNEL);
+	if (!cfg)
+		return -1;
+
+	cfg->txdelay = be32_to_cpup(prop++);
+	cfg->rxdelay = be32_to_cpup(prop++);
+	cfg->mode = be32_to_cpup(prop++);
+	cfg->ability.force_mode = be32_to_cpup(prop++);
+	cfg->ability.txpause = be32_to_cpup(prop++);
+	cfg->ability.rxpause = be32_to_cpup(prop++);
+	cfg->ability.link = be32_to_cpup(prop++);
+	cfg->ability.duplex = be32_to_cpup(prop++);
+	cfg->ability.speed = be32_to_cpup(prop++);
+
+	return rtl8367b_extif_init(smi, id, cfg);
+}
+#else
+static int rtl8367b_extif_init_of(struct rtl8366_smi *smi, int id, const char *name)
+{
+	return -1;
+}
+#endif
+
 static int rtl8367b_setup(struct rtl8366_smi *smi)
 {
 	struct rtl8367_platform_data *pdata;
@@ -875,13 +909,23 @@ static int rtl8367b_setup(struct rtl8366_smi *smi)
 		return err;
 
 	/* initialize external interfaces */
-	err = rtl8367b_extif_init(smi, 0, pdata->extif0_cfg);
-	if (err)
-		return err;
+	if (smi->parent->of_node) {
+		err = rtl8367b_extif_init_of(smi, 0, "realtek,extif0");
+		if (err)
+			return err;
 
-	err = rtl8367b_extif_init(smi, 1, pdata->extif1_cfg);
-	if (err)
-		return err;
+		err = rtl8367b_extif_init_of(smi, 1, "realtek,extif1");
+		if (err)
+			return err;
+	} else {
+		err = rtl8367b_extif_init(smi, 0, pdata->extif0_cfg);
+		if (err)
+			return err;
+
+		err = rtl8367b_extif_init(smi, 1, pdata->extif1_cfg);
+		if (err)
+			return err;
+	}
 
 	/* set maximum packet length to 1536 bytes */
 	REG_RMW(smi, RTL8367B_SWC0_REG, RTL8367B_SWC0_MAX_LENGTH_MASK,