diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c
index c302fee60fe8..e64a0be26f29 100644
--- a/drivers/phy/phy-core.c
+++ b/drivers/phy/phy-core.c
@@ -372,6 +372,21 @@ int phy_reset(struct phy *phy)
 }
 EXPORT_SYMBOL_GPL(phy_reset);
 
+int phy_cp_test(struct phy *phy)
+{
+	int ret;
+
+	if (!phy || !phy->ops->cp_test)
+		return 0;
+
+	mutex_lock(&phy->mutex);
+	ret = phy->ops->cp_test(phy);
+	mutex_unlock(&phy->mutex);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(phy_cp_test);
+
 /**
  * _of_phy_get() - lookup and obtain a reference to a phy by phandle
  * @np: device_node for which to get the phy
diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h
index 392bdd67a604..a3965c3cc653 100644
--- a/include/linux/phy/phy.h
+++ b/include/linux/phy/phy.h
@@ -37,6 +37,7 @@ enum phy_mode {
  * @power_off: powering off the phy
  * @set_mode: set the mode of the phy
  * @reset: resetting the phy
+ * @cp_test: prepare for the phy compliance test
  * @owner: the module owner containing the ops
  */
 struct phy_ops {
@@ -46,6 +47,7 @@ struct phy_ops {
 	int	(*power_off)(struct phy *phy);
 	int	(*set_mode)(struct phy *phy, enum phy_mode mode);
 	int	(*reset)(struct phy *phy);
+	int	(*cp_test)(struct phy *phy);
 	struct module *owner;
 };
 
@@ -132,6 +134,7 @@ int phy_power_on(struct phy *phy);
 int phy_power_off(struct phy *phy);
 int phy_set_mode(struct phy *phy, enum phy_mode mode);
 int phy_reset(struct phy *phy);
+int phy_cp_test(struct phy *phy);
 static inline int phy_get_bus_width(struct phy *phy)
 {
 	return phy->attrs.bus_width;
@@ -251,6 +254,13 @@ static inline int phy_reset(struct phy *phy)
 	return -ENOSYS;
 }
 
+static inline int phy_cp_test(struct phy *phy)
+{
+	if (!phy)
+		return 0;
+	return -ENOSYS;
+}
+
 static inline int phy_get_bus_width(struct phy *phy)
 {
 	return -ENOSYS;