xref: /openbmc/linux/arch/arm/mach-omap1/i2c.h (revision be709d48)
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 
22 #ifndef __ARCH_ARM_MACH_OMAP1_I2C_H
23 #define __ARCH_ARM_MACH_OMAP1_I2C_H
24 
25 struct i2c_board_info;
26 struct omap_i2c_bus_platform_data;
27 
28 int omap_i2c_add_bus(struct omap_i2c_bus_platform_data *i2c_pdata,
29 			int bus_id);
30 
31 #if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)
32 extern int omap_register_i2c_bus(int bus_id, u32 clkrate,
33 				 struct i2c_board_info const *info,
34 				 unsigned len);
35 extern int omap_register_i2c_bus_cmdline(void);
36 #else
37 static inline int omap_register_i2c_bus(int bus_id, u32 clkrate,
38 				 struct i2c_board_info const *info,
39 				 unsigned len)
40 {
41 	return 0;
42 }
43 
44 static inline int omap_register_i2c_bus_cmdline(void)
45 {
46 	return 0;
47 }
48 #endif
49 
50 #endif /* __ARCH_ARM_MACH_OMAP1_I2C_H */
51