Hi, > +&i2c1 { > + pinctrl-names = "default"; > + pinctrl-0 = <&i2c1m0_xfer>; > + status = "okay"; > + > + eeprom@50 { > + compatible = "belling,bl24c16a", "atmel,24c16"; > + reg = <0x50>; > + pagesize = <16>; > + vcc-supply = <&vcc_3v3>; > + }; > +}; This eeprom stores the device information written by the manufacturer, such as mac address and sn. So it should be marked as read-only. Thanks, Chukun -- 2.25.1