Hi Kishon, [...] > clocks: > - maxItems: 1 > - description: clock-specifier to represent input to the PCIe > + minItems: 1 > + maxItems: 2 > + description: clock-specifier to represent input to the PCIe for 1 item. > + 2nd item if present represents reference clock to the connector. [...] I am not an expert on device trees, but what do you think of making this description to be as follows: description: |+ clock-specifier to represent input to the PCIe for 1 item. 2nd item if present represents reference clock to the connector. What do you think? Krzysztof