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)
28extern int omap_register_i2c_bus(int bus_id, u32 clkrate,
29				 struct i2c_board_info const *info,
30				 unsigned len);
 
31#else
32static 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
40/**
41 * i2c_dev_attr - OMAP I2C controller device attributes for omap_hwmod
42 * @fifo_depth: total controller FIFO size (in bytes)
43 * @flags: differences in hardware support capability
44 *
45 * @fifo_depth represents what exists on the hardware, not what is
46 * actually configured at runtime by the device driver.
47 */
48struct omap_i2c_dev_attr {
49	u8	fifo_depth;
50	u32	flags;
51};
52
53void __init omap1_i2c_mux_pins(int bus_id);
54void __init omap2_i2c_mux_pins(int bus_id);
 
 
 
55
56struct omap_hwmod;
57int omap_i2c_reset(struct omap_hwmod *oh);
58
59#endif /* __ASM__ARCH_OMAP_I2C_H */

 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 __PLAT_OMAP_I2C_H
23#define __PLAT_OMAP_I2C_H
24
25struct i2c_board_info;
26struct omap_i2c_bus_platform_data;
27
28int 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)
32extern int omap_register_i2c_bus(int bus_id, u32 clkrate,
33				 struct i2c_board_info const *info,
34				 unsigned len);
35extern int omap_register_i2c_bus_cmdline(void);
36#else
37static 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
44static inline int omap_register_i2c_bus_cmdline(void)
45{
46	return 0;
47}
48#endif
49
50struct omap_hwmod;
51int omap_i2c_reset(struct omap_hwmod *oh);
52
53#endif /* __PLAT_OMAP_I2C_H */