+#define EEPROM_OP_LEN 3 /* bits:*/
+#define EEPROM_OP_READ 0x06
+#define EEPROM_OP_EWEN 0x04
+#define EEPROM_OP_WRITE 0x05
+#define EEPROM_OP_EWDS 0x14
+
+#define EEPROM_DATA_LEN 16 /* 16 bits EEPROM */
+#define EEPROM_WRITE_TIME 4 /* wrt ack time in ms */
+#define EEPROM_SK_PERIOD 400 /* in us */
+