1 files changed, 42 insertions, 0 deletions

diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h
index 6d722695e027..3f83459dbb20 100644
--- a/include/linux/phy/phy.h
+++ b/include/linux/phy/phy.h
@@ -38,6 +38,14 @@ struct phy_ops {
 };
 
 /**
+ * struct phy_attrs - represents phy attributes
+ * @bus_width: Data path width implemented by PHY
+ */
+struct phy_attrs {
+        u32                     bus_width;
+};
+
+/**
  * struct phy - represents the phy device
  * @dev: phy device
  * @id: id of the phy device
@@ -46,6 +54,7 @@ struct phy_ops {
  * @mutex: mutex to protect phy_ops
  * @init_count: used to protect when the PHY is used by multiple consumers
  * @power_count: used to protect when the PHY is used by multiple consumers
+ * @phy_attrs: used to specify PHY specific attributes
  */
 struct phy {
         struct device           dev;
@@ -55,6 +64,7 @@ struct phy {
         struct mutex            mutex;
         int                     init_count;
         int                     power_count;
+        struct phy_attrs        attrs;
 };
 
 /**
@@ -127,8 +137,18 @@ int phy_init(struct phy *phy);
 int phy_exit(struct phy *phy);
 int phy_power_on(struct phy *phy);
 int phy_power_off(struct phy *phy);
+static inline int phy_get_bus_width(struct phy *phy)
+{
+        return phy->attrs.bus_width;
+}
+static inline void phy_set_bus_width(struct phy *phy, int bus_width)
+{
+        phy->attrs.bus_width = bus_width;
+}
 struct phy *phy_get(struct device *dev, const char *string);
+struct phy *phy_optional_get(struct device *dev, const char *string);
 struct phy *devm_phy_get(struct device *dev, const char *string);
+struct phy *devm_phy_optional_get(struct device *dev, const char *string);
 void phy_put(struct phy *phy);
 void devm_phy_put(struct device *dev, struct phy *phy);
 struct phy *of_phy_simple_xlate(struct device *dev,
@@ -199,16 +219,38 @@ static inline int phy_power_off(struct phy *phy)
         return -ENOSYS;
 }
 
+static inline int phy_get_bus_width(struct phy *phy)
+{
+        return -ENOSYS;
+}
+
+static inline void phy_set_bus_width(struct phy *phy, int bus_width)
+{
+        return;
+}
+
 static inline struct phy *phy_get(struct device *dev, const char *string)
 {
         return ERR_PTR(-ENOSYS);
 }
 
+static inline struct phy *phy_optional_get(struct device *dev,
+                                           const char *string)
+{
+        return ERR_PTR(-ENOSYS);
+}
+
 static inline struct phy *devm_phy_get(struct device *dev, const char *string)
 {
         return ERR_PTR(-ENOSYS);
 }
 
+static inline struct phy *devm_phy_optional_get(struct device *dev,
+                                                const char *string)
+{
+        return ERR_PTR(-ENOSYS);
+}
+
 static inline void phy_put(struct phy *phy)
 {
 }