Merge git://git.denx.de/u-boot-fsl-qoriq

[people/ms/u-boot.git] / include / dm / uclass.h

diff --git a/include/dm/uclass.h b/include/dm/uclass.h
index fd368b6bd0ead819db389afb776d287d22cd081c..b583aa869b3adc6a84bc7c876272c6b08a7d87ac 100644 (file)
--- a/include/dm/uclass.h
+++ b/include/dm/uclass.h
@@ -38,6 +38,7 @@ struct uclass {
        struct list_head sibling_node;
 };
 
+struct driver;
 struct udevice;
 
 /* Members of this uclass sequence themselves with aliases */
@@ -117,6 +118,14 @@ struct uclass_driver {
  */
 int uclass_get(enum uclass_id key, struct uclass **ucp);
 
+/**
+ * uclass_get_name() - Get the name of a uclass driver
+ *
+ * @id: ID to look up
+ * @returns the name of the uclass driver for that ID, or NULL if none
+ */
+const char *uclass_get_name(enum uclass_id id);
+
 /**
  * uclass_get_device() - Get a uclass device based on an ID and index
  *
@@ -193,6 +202,23 @@ int uclass_get_device_by_of_offset(enum uclass_id id, int node,
 int uclass_get_device_by_phandle(enum uclass_id id, struct udevice *parent,
                                 const char *name, struct udevice **devp);
 
+/**
+ * uclass_get_device_by_driver() - Get a uclass device for a driver
+ *
+ * This searches the devices in the uclass for one that uses the given
+ * driver. Use DM_GET_DRIVER(name) for the @drv argument, where 'name' is
+ * the driver name - as used in U_BOOT_DRIVER(name).
+ *
+ * The device is probed to activate it ready for use.
+ *
+ * @id: ID to look up
+ * @drv: Driver to look for
+ * @devp: Returns pointer to the first device with that driver
+ * @return 0 if OK, -ve on error
+ */
+int uclass_get_device_by_driver(enum uclass_id id, const struct driver *drv,
+                               struct udevice **devp);
+
 /**
  * uclass_first_device() - Get the first device in a uclass
  *