diff options
| author | Jonas Karlman <jonas@kwiboo.se> | 2017-04-22 08:57:41 (GMT) |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2017-05-10 19:37:22 (GMT) |
| commit | 8880efbd1ffd54bcddb427229ff925151a054257 (patch) | |
| tree | 8f82beb1e9a331d499f342c8e9ac21c6df5a1902 /include/i2c_eeprom.h | |
| parent | 26e2e404b71bb1f538247817ded404ecf86e9cca (diff) | |
| download | u-boot-fsl-qoriq-8880efbd1ffd54bcddb427229ff925151a054257.tar.xz | |
i2c_eeprom: add read and write functions
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'include/i2c_eeprom.h')
| -rw-r--r-- | include/i2c_eeprom.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/i2c_eeprom.h b/include/i2c_eeprom.h index 0452892..bb5c6b1 100644 --- a/include/i2c_eeprom.h +++ b/include/i2c_eeprom.h @@ -20,4 +20,28 @@ struct i2c_eeprom { unsigned pagewidth; }; +/* + * i2c_eeprom_read() - read bytes from an I2C EEPROM chip + * + * @dev: Chip to read from + * @offset: Offset within chip to start reading + * @buf: Place to put data + * @size: Number of bytes to read + * + * @return 0 on success, -ve on failure + */ +int i2c_eeprom_read(struct udevice *dev, int offset, uint8_t *buf, int size); + +/* + * i2c_eeprom_write() - write bytes to an I2C EEPROM chip + * + * @dev: Chip to write to + * @offset: Offset within chip to start writing + * @buf: Buffer containing data to write + * @size: Number of bytes to write + * + * @return 0 on success, -ve on failure + */ +int i2c_eeprom_write(struct udevice *dev, int offset, uint8_t *buf, int size); + #endif |