linux/arch/arm/plat-omap/include/plat/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
  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 */
  54