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
26 #if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)
27 extern int omap_register_i2c_bus(int bus_id, u32 clkrate,
28 struct i2c_board_info const *info,
29 unsigned len);
30 #else
omap_register_i2c_bus(int bus_id,u32 clkrate,struct i2c_board_info const * info,unsigned len)31 static inline int omap_register_i2c_bus(int bus_id, u32 clkrate,
32 struct i2c_board_info const *info,
33 unsigned len)
34 {
35 return 0;
36 }
37 #endif
38
39 /**
40 * i2c_dev_attr - OMAP I2C controller device attributes for omap_hwmod
41 * @fifo_depth: total controller FIFO size (in bytes)
42 * @flags: differences in hardware support capability
43 *
44 * @fifo_depth represents what exists on the hardware, not what is
45 * actually configured at runtime by the device driver.
46 */
47 struct omap_i2c_dev_attr {
48 u8 fifo_depth;
49 u8 flags;
50 };
51
52 void __init omap1_i2c_mux_pins(int bus_id);
53 void __init omap2_i2c_mux_pins(int bus_id);
54
55 #endif /* __ASM__ARCH_OMAP_I2C_H */
56