arch/arm/mach-omap1/i2c.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Helper module for board specific I2C bus registration
   4  *
   5  * Copyright (C) 2009 Nokia Corporation.
   6  */
   7
   8 #ifndef __ARCH_ARM_MACH_OMAP1_I2C_H
   9 #define __ARCH_ARM_MACH_OMAP1_I2C_H
  10
  11 struct i2c_board_info;
  12 struct omap_i2c_bus_platform_data;
  13
  14 int omap_i2c_add_bus(struct omap_i2c_bus_platform_data *i2c_pdata,
  15                         int bus_id);
  16
  17 #if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)
  18 extern int omap_register_i2c_bus(int bus_id, u32 clkrate,
  19                                  struct i2c_board_info const *info,
  20                                  unsigned len);
  21 extern int omap_register_i2c_bus_cmdline(void);
  22 #else
  23 static inline int omap_register_i2c_bus(int bus_id, u32 clkrate,
  24                                  struct i2c_board_info const *info,
  25                                  unsigned len)
  26 {
  27         return 0;
  28 }
  29
  30 static inline int omap_register_i2c_bus_cmdline(void)
  31 {
  32         return 0;
  33 }
  34 #endif
  35
  36 #endif /* __ARCH_ARM_MACH_OMAP1_I2C_H */