arch/arm/plat-omap/include/plat/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
  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 struct omap_hwmod;
  51 int omap_i2c_reset(struct omap_hwmod *oh);
  52
  53 #endif /* __PLAT_OMAP_I2C_H */