dm: core: allow device_bind() to not return a device pointer

[karo-tx-uboot.git] / include / dm / lists.h

diff --git a/include/dm/lists.h b/include/dm/lists.h
index 87a3af59c2e33b355fb4980debe11ecc854f6a1b..4513d6a311a7e80daebd6bb1bd32a0e2e92701d3 100644 (file)
--- a/include/dm/lists.h
+++ b/include/dm/lists.h
@@ -38,7 +38,7 @@ struct uclass_driver *lists_uclass_lookup(enum uclass_id id);
  * This searches the U_BOOT_DEVICE() structures and creates new devices for
  * each one. The devices will have @parent as their parent.
  *
- * @parent: parent driver (root)
+ * @parent: parent device (root)
  * @early_only: If true, bind only drivers with the DM_INIT_F flag. If false
  * bind all drivers.
  */
@@ -50,10 +50,43 @@ int lists_bind_drivers(struct udevice *parent, bool pre_reloc_only);
  * This creates a new device bound to the given device tree node, with
  * @parent as its parent.
  *
- * @parent: parent driver (root)
+ * @parent: parent device (root)
  * @blob: device tree blob
  * @offset: offset of this device tree node
+ * @devp: if non-NULL, returns a pointer to the bound device
+ * @return 0 if device was bound, -EINVAL if the device tree is invalid,
+ * other -ve value on error
  */
-int lists_bind_fdt(struct udevice *parent, const void *blob, int offset);
+int lists_bind_fdt(struct udevice *parent, const void *blob, int offset,
+                  struct udevice **devp);
+
+/**
+ * device_bind_driver() - bind a device to a driver
+ *
+ * This binds a new device to a driver.
+ *
+ * @parent:    Parent device
+ * @drv_name:  Name of driver to attach to this parent
+ * @dev_name:  Name of the new device thus created
+ * @devp:      If non-NULL, returns the newly bound device
+ */
+int device_bind_driver(struct udevice *parent, const char *drv_name,
+                      const char *dev_name, struct udevice **devp);
+
+/**
+ * device_bind_driver_to_node() - bind a device to a driver for a node
+ *
+ * This binds a new device to a driver for a given device tree node. This
+ * should only be needed if the node lacks a compatible strings.
+ *
+ * @parent:    Parent device
+ * @drv_name:  Name of driver to attach to this parent
+ * @dev_name:  Name of the new device thus created
+ * @node:      Device tree node
+ * @devp:      If non-NULL, returns the newly bound device
+ */
+int device_bind_driver_to_node(struct udevice *parent, const char *drv_name,
+                              const char *dev_name, int node,
+                              struct udevice **devp);
 
 #endif