/ { aliases { rtc0 = &rtc_s35390a; }; }; &iomuxc { pinctrl_i2c4: i2c4grp { fsl,pins= < MX6UL_PAD_UART2_TX_DATA__I2C4_SCL 0x40010808 MX6UL_PAD_UART2_RX_DATA__I2C4_SDA 0x40010808 >; }; }; &i2c4 { status = "okay"; clock-frequency = <100000>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_i2c4>; rtc_s35390a: rtc-s35390a { compatible = "sii,s35390a"; reg = <0x30>; }; };