usb: otg: add an api to bind the usb controller and phy
In order to support platforms which has multiple PHY's (of same type) and
which has multiple USB controllers, a new design is adopted wherin the binding
information (between the PHY and the USB controller) should be passed to the
PHY library from platform specific file (board file).
So added a new API to pass the binding information.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/include/linux/usb/phy.h b/include/linux/usb/phy.h
index a29ae1e..a812ed5 100644
--- a/include/linux/usb/phy.h
+++ b/include/linux/usb/phy.h
@@ -106,6 +106,21 @@
enum usb_device_speed speed);
};
+/**
+ * struct usb_phy_bind - represent the binding for the phy
+ * @dev_name: the device name of the device that will bind to the phy
+ * @phy_dev_name: the device name of the phy
+ * @index: used if a single controller uses multiple phys
+ * @phy: reference to the phy
+ * @list: to maintain a linked list of the binding information
+ */
+struct usb_phy_bind {
+ const char *dev_name;
+ const char *phy_dev_name;
+ u8 index;
+ struct usb_phy *phy;
+ struct list_head list;
+};
/* for board-specific init logic */
extern int usb_add_phy(struct usb_phy *, enum usb_phy_type type);
@@ -151,6 +166,8 @@
enum usb_phy_type type);
extern void usb_put_phy(struct usb_phy *);
extern void devm_usb_put_phy(struct device *dev, struct usb_phy *x);
+extern int usb_bind_phy(const char *dev_name, u8 index,
+ const char *phy_dev_name);
#else
static inline struct usb_phy *usb_get_phy(enum usb_phy_type type)
{
@@ -171,6 +188,11 @@
{
}
+static inline int usb_bind_phy(const char *dev_name, u8 index,
+ const char *phy_dev_name)
+{
+ return -EOPNOTSUPP;
+}
#endif
static inline int