Commit | Line | Data |
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612212a3 JF |
1 | /* |
2 | * Generic I2C API implementation for PowerPC. | |
3 | * | |
4 | * Copyright (c) 2008 Jochen Friedrich <jochen@scram.de> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | */ | |
11 | ||
12 | #ifndef __LINUX_OF_I2C_H | |
13 | #define __LINUX_OF_I2C_H | |
14 | ||
9fd04992 | 15 | #if defined(CONFIG_OF_I2C) || defined(CONFIG_OF_I2C_MODULE) |
612212a3 JF |
16 | #include <linux/i2c.h> |
17 | ||
9fd04992 | 18 | extern void of_i2c_register_devices(struct i2c_adapter *adap); |
612212a3 | 19 | |
2526c151 | 20 | /* must call put_device() when done with returned i2c_client device */ |
9fd04992 GL |
21 | extern struct i2c_client *of_find_i2c_device_by_node(struct device_node *node); |
22 | ||
0938643e SW |
23 | /* must call put_device() when done with returned i2c_adapter device */ |
24 | extern struct i2c_adapter *of_find_i2c_adapter_by_node( | |
25 | struct device_node *node); | |
26 | ||
9fd04992 GL |
27 | #else |
28 | static inline void of_i2c_register_devices(struct i2c_adapter *adap) | |
29 | { | |
30 | return; | |
31 | } | |
1daa8a0b GL |
32 | |
33 | static inline struct i2c_client *of_find_i2c_device_by_node(struct device_node *node) | |
34 | { | |
35 | return NULL; | |
36 | } | |
37 | ||
38 | /* must call put_device() when done with returned i2c_adapter device */ | |
39 | static inline struct i2c_adapter *of_find_i2c_adapter_by_node( | |
40 | struct device_node *node) | |
41 | { | |
42 | return NULL; | |
43 | } | |
9fd04992 | 44 | #endif /* CONFIG_OF_I2C */ |
2526c151 | 45 | |
612212a3 | 46 | #endif /* __LINUX_OF_I2C_H */ |