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authorJonas Karlman <jonas@kwiboo.se>2017-04-22 08:57:41 +0000
committerSimon Glass <sjg@chromium.org>2017-05-10 13:37:22 -0600
commit8880efbd1ffd54bcddb427229ff925151a054257 (patch)
tree8f82beb1e9a331d499f342c8e9ac21c6df5a1902 /include/i2c_eeprom.h
parent26e2e404b71bb1f538247817ded404ecf86e9cca (diff)
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.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/include/i2c_eeprom.h b/include/i2c_eeprom.h
index 0452892812..bb5c6b118b 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