diff --git a/drivers/phy/phy-samsung-usb2.h b/drivers/phy/phy-samsung-usb2.h
index 9188478..b03da0e 100644
--- a/drivers/phy/phy-samsung-usb2.h
+++ b/drivers/phy/phy-samsung-usb2.h
@@ -60,8 +60,10 @@
 	int (*rate_to_clk)(unsigned long, u32 *);
 	unsigned int num_phys;
 	bool has_mode_switch;
+	bool has_refclk_sel;
 };
 
+extern const struct samsung_usb2_phy_config exynos3250_usb2_phy_config;
 extern const struct samsung_usb2_phy_config exynos4210_usb2_phy_config;
 extern const struct samsung_usb2_phy_config exynos4x12_usb2_phy_config;
 extern const struct samsung_usb2_phy_config exynos5250_usb2_phy_config;