phy: Introduce of_phy_get_by_phandle

Currently generic phy support assumes that the standard phy binding from
dts/Bindings/phy/phy-bindings.txt is used. This adds a helper function
which can be used to retrieve a phy when this standard binding is not
used.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 8 insertions, 0 deletions

diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h
index 94f0044036..0d78923358 100644
--- a/include/linux/phy/phy.h
+++ b/include/linux/phy/phy.h
@@ -136,6 +136,8 @@ static inline void phy_set_bus_width(struct phy *phy, int bus_width)
 }
 struct phy *phy_get(struct device_d *dev, const char *string);
 struct phy *phy_optional_get(struct device_d *dev, const char *string);
+struct phy *of_phy_get_by_phandle(struct device_d *dev, const char *phandle,
+				  u8 index);
 void phy_put(struct phy *phy);
 struct phy *of_phy_get(struct device_node *np, const char *con_id);
 struct phy *of_phy_simple_xlate(struct device_d *dev,
@@ -198,6 +200,12 @@ static inline struct phy *phy_optional_get(struct device_d *dev,
 	return ERR_PTR(-ENOSYS);
 }
 
+static inline struct phy *of_phy_get_by_phandle(struct device_d *dev,
+						const char *phandle, u8 index)
+{
+	return ERR_PTR(-ENOSYS);
+}
+
 static inline void phy_put(struct phy *phy)
 {
 }