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i2c: add device config helpers

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Add some macros that drivers and applications can use in describing I2C
clients.

Change-Id: Ic7af97804e88ed3b9d4f68f9ac358a425f4cc17c
Signed-off-by: Vlad Dogaru <vlad.dogaru@intel.com>
This commit is contained in:
Vlad Dogaru 2016-04-21 17:22:27 +03:00 • committed by Inaky Perez-Gonzalez
commit 8fed55f640
1 changed files with 16 additions and 0 deletions
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16
include/i2c.h
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@ -411,6 +411,22 @@ static inline int i2c_resume(struct device *dev)
return api->resume(dev); return api->resume(dev);
} }
struct i2c_client_config {
char *i2c_master;
uint16_t i2c_addr;
};
#define I2C_DECLARE_CLIENT_CONFIG struct i2c_client_config i2c_client
#define I2C_CLIENT(_master, _addr) \
.i2c_client = { \
.i2c_master = (_master), \
.i2c_addr = (_addr), \
}
#define I2C_GET_MASTER(_conf) ((_conf)->i2c_client.i2c_master)
#define I2C_GET_ADDR(_conf) ((_conf)->i2c_client.i2c_addr)
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif #endif