On 12/06/2023 13:29, zhuyinbo wrote: > > > 在 2023/6/12 下午4:16, Krzysztof Kozlowski 写道: >>>>>>>>> 在 2023/6/8 下午7:45, Krzysztof Kozlowski 写道: >>>>>>>>>> On 08/06/2023 13:42, zhuyinbo wrote: >>>>>>>>>>> --- a/Documentation/devicetree/bindings/spi/loongson,ls2k-spi.yaml >>>>>>>>>>> +++ b/Documentation/devicetree/bindings/spi/loongson,ls2k-spi.yaml >>>>>>>>>>> @@ -16,6 +16,7 @@ properties: >>>>>>>>>>> compatible: >>>>>>>>>>> enum: >>>>>>>>>>> - loongson,ls2k1000-spi >>>>>>>>>>> + - loongson,ls2k0500-spi >>>>>>>>>> >>>>>>>>>> Aren't they compatible? >>>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> Are you saying that the spi driver is compatible with 2k0500 ? >>>>>>>> >>>>>>>> Didn't you say this through 11 previous revisions? >>>>>>> >>>>>>> >>>>>>> Yes, did I understand your meaning incorrectly ? >>>>>> >>>>>> If they are compatible, then they are not part of one enum. They could >>>>>> not be as this would easily fail in testing of your DTS. >>>>>> >>>>> >>>>> >>>>> The "loongson,ls2k0500-spi" wasn't a compatible in previous version and >>>>> I will add "loongson,ls2k0500-spi" as a compatible in spi driver and >>>>> added it as a part of the one enum in dt-binding. >>>> >>>> No, because you claimed - if I understood correctly - that they are >>>> compatible. Don't add fake entries to the driver. >>>> >>> >>> >>> I'm a bit confused, and I just need to add 'loongson,ls2k0500-spi' as >>> one enum in dt-bindings, but driver don't add this entry ? >> >> Compatibility is expressed with a list: >> https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#compatible >> so it cannot be just one enum, but "items". There are hundreds of >> examples including example-schema. > > > Is it a description like the following? > > properties: > compatible: > - enum: > - - loongson,ls2k1000-spi > + oneOf: > + - enum: > + - loongson,ls2k1000-spi > + - items: > + - enum: > + - loongson,ls2k1000-spi > + - const: loongson,ls2k1000-spi Remove this items part - it does not make sense. Device is not compatible with itself. Rest looks ok. Best regards, Krzysztof