Commit | Line | Data |
---|---|---|
fd9fdb78 PZ |
1 | /* |
2 | * OF graph binding parsing helpers | |
3 | * | |
4 | * Copyright (C) 2012 - 2013 Samsung Electronics Co., Ltd. | |
5 | * Author: Sylwester Nawrocki <s.nawrocki@samsung.com> | |
6 | * | |
7 | * Copyright (C) 2012 Renesas Electronics Corp. | |
8 | * Author: Guennadi Liakhovetski <g.liakhovetski@gmx.de> | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of version 2 of the GNU General Public License as | |
12 | * published by the Free Software Foundation. | |
13 | */ | |
14 | #ifndef __LINUX_OF_GRAPH_H | |
15 | #define __LINUX_OF_GRAPH_H | |
16 | ||
f2a575f6 PZ |
17 | /** |
18 | * struct of_endpoint - the OF graph endpoint data structure | |
19 | * @port: identifier (value of reg property) of a port this endpoint belongs to | |
20 | * @id: identifier (value of reg property) of this endpoint | |
21 | * @local_node: pointer to device_node of this endpoint | |
22 | */ | |
23 | struct of_endpoint { | |
24 | unsigned int port; | |
25 | unsigned int id; | |
26 | const struct device_node *local_node; | |
27 | }; | |
28 | ||
fd9fdb78 | 29 | #ifdef CONFIG_OF |
f2a575f6 PZ |
30 | int of_graph_parse_endpoint(const struct device_node *node, |
31 | struct of_endpoint *endpoint); | |
fd9fdb78 PZ |
32 | struct device_node *of_graph_get_next_endpoint(const struct device_node *parent, |
33 | struct device_node *previous); | |
34 | struct device_node *of_graph_get_remote_port_parent( | |
35 | const struct device_node *node); | |
36 | struct device_node *of_graph_get_remote_port(const struct device_node *node); | |
37 | #else | |
38 | ||
f2a575f6 | 39 | static inline int of_graph_parse_endpoint(const struct device_node *node, |
00fd9619 | 40 | struct of_endpoint *endpoint) |
f2a575f6 PZ |
41 | { |
42 | return -ENOSYS; | |
43 | } | |
44 | ||
fd9fdb78 PZ |
45 | static inline struct device_node *of_graph_get_next_endpoint( |
46 | const struct device_node *parent, | |
47 | struct device_node *previous) | |
48 | { | |
49 | return NULL; | |
50 | } | |
51 | ||
52 | static inline struct device_node *of_graph_get_remote_port_parent( | |
53 | const struct device_node *node) | |
54 | { | |
55 | return NULL; | |
56 | } | |
57 | ||
58 | static inline struct device_node *of_graph_get_remote_port( | |
59 | const struct device_node *node) | |
60 | { | |
61 | return NULL; | |
62 | } | |
63 | ||
64 | #endif /* CONFIG_OF */ | |
65 | ||
66 | #endif /* __LINUX_OF_GRAPH_H */ |