4 - compatible : Should be one of
11 - clock-frequency : external oscillator clock frequency. If not
12 specified, the SC18IS602 default frequency (7372000) will be used.
14 The clock-frequency property is relevant and needed only if the chip has an
15 external oscillator (SC18IS603).
20 compatible = "nxp,sc18is603";
22 clock-frequency = <14744000>;