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i2c.h
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1 /*
2  * Helper module for board specific I2C bus registration
3  *
4  * Copyright (C) 2009 Nokia Corporation.
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * version 2 as published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope that it will be useful, but
11  * WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
18  * 02110-1301 USA
19  *
20  */
21 #ifndef __ASM__ARCH_OMAP_I2C_H
22 #define __ASM__ARCH_OMAP_I2C_H
23 
24 #include <linux/i2c.h>
25 #include <linux/i2c-omap.h>
26 
27 #if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)
28 extern int omap_register_i2c_bus(int bus_id, u32 clkrate,
29  struct i2c_board_info const *info,
30  unsigned len);
31 #else
32 static inline int omap_register_i2c_bus(int bus_id, u32 clkrate,
33  struct i2c_board_info const *info,
34  unsigned len)
35 {
36  return 0;
37 }
38 #endif
39 
51 };
52 
53 void __init omap1_i2c_mux_pins(int bus_id);
54 void __init omap2_i2c_mux_pins(int bus_id);
55 
56 struct omap_hwmod;
57 int omap_i2c_reset(struct omap_hwmod *oh);
58 
59 #endif /* __ASM__ARCH_OMAP_I2C_H */