xref: /openbmc/u-boot/include/dm/lists.h (revision 2b605154)
1 /*
2  * Copyright (c) 2013 Google, Inc
3  *
4  * (C) Copyright 2012
5  * Pavel Herrmann <morpheus.ibis@gmail.com>
6  *
7  * SPDX-License-Identifier:	GPL-2.0+
8  */
9 
10 #ifndef _DM_LISTS_H_
11 #define _DM_LISTS_H_
12 
13 #include <dm/uclass-id.h>
14 
15 /**
16  * lists_driver_lookup_name() - Return u_boot_driver corresponding to name
17  *
18  * This function returns a pointer to a driver given its name. This is used
19  * for binding a driver given its name and platdata.
20  *
21  * @name: Name of driver to look up
22  * @return pointer to driver, or NULL if not found
23  */
24 struct driver *lists_driver_lookup_name(const char *name);
25 
26 /**
27  * lists_uclass_lookup() - Return uclass_driver based on ID of the class
28  * id:		ID of the class
29  *
30  * This function returns the pointer to uclass_driver, which is the class's
31  * base structure based on the ID of the class. Returns NULL on error.
32  */
33 struct uclass_driver *lists_uclass_lookup(enum uclass_id id);
34 
35 /**
36  * lists_bind_drivers() - search for and bind all drivers to parent
37  *
38  * This searches the U_BOOT_DEVICE() structures and creates new devices for
39  * each one. The devices will have @parent as their parent.
40  *
41  * @parent: parent device (root)
42  * @early_only: If true, bind only drivers with the DM_INIT_F flag. If false
43  * bind all drivers.
44  */
45 int lists_bind_drivers(struct udevice *parent, bool pre_reloc_only);
46 
47 /**
48  * lists_bind_fdt() - bind a device tree node
49  *
50  * This creates a new device bound to the given device tree node, with
51  * @parent as its parent.
52  *
53  * @parent: parent device (root)
54  * @blob: device tree blob
55  * @offset: offset of this device tree node
56  * @devp: if non-NULL, returns a pointer to the bound device
57  * @return 0 if device was bound, -EINVAL if the device tree is invalid,
58  * other -ve value on error
59  */
60 int lists_bind_fdt(struct udevice *parent, const void *blob, int offset,
61 		   struct udevice **devp);
62 
63 #endif
64