On 28/02/2024 12:29, Xu Yang wrote: > + # imx93 Soc needs two clocks > + if: > + properties: > + compatible: > + contains: > + enum: > + - fsl,imx93-usb > + then: > + properties: > + clocks: > + minItems: 2 > + maxItems: 2 > + clock-names: > + items: > + - const: usb_ctrl_root > + - const: usb_wakeup > + else: > + # other imx Socs only need one clock > + properties: > + clocks: > + minItems: 1 Drop minItems:1 if it equals to max. Everywhere. Best regards, Krzysztof