RE: [PATCH v2 1/6] dt-bindings: Document the SYSREG specific compatibles found on FSD SoC

[Vivek Yadav]

> -----Original Message-----
> From: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
> Sent: 10 November 2022 17:42
> To: Vivek Yadav <vivek.2311@xxxxxxxxxxx>; rcsekar@xxxxxxxxxxx;
> krzysztof.kozlowski+dt@xxxxxxxxxx; wg@xxxxxxxxxxxxxx;
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> kuba@xxxxxxxxxx; pabeni@xxxxxxxxxx; pankaj.dubey@xxxxxxxxxxx;
> ravi.patel@xxxxxxxxxxx; alim.akhtar@xxxxxxxxxxx; linux-fsd@xxxxxxxxx;
> robh+dt@xxxxxxxxxx
> Cc: linux-can@xxxxxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx; linux-
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> Subject: Re: [PATCH v2 1/6] dt-bindings: Document the SYSREG specific
> compatibles found on FSD SoC
> 
> On 10/11/2022 12:18, Vivek Yadav wrote:
> >>> +maintainers:
> >>> +  - Alim Akhtar <alim.akhtar@xxxxxxxxxxx>
> >>> +
> >>> +description: |
> >>> +  This is a system control registers block, providing multiple low
> >>> +level
> >>> +  platform functions like board detection and identification,
> >>> +software
> >>> +  interrupt generation.
> >>> +
> >>> +properties:
> >>> +  compatible:
> >>> +    oneOf:
> >>
> >> No need for oneOf.
> >>
> > Removing this results into dt_binding_check error, so this is required.
> 
> No, this is not required. You do not have more than one condition for oneOf.
> 
Oh, ok I got it. I was not removing "-" before items, which is resulting an error. I will update this in next patch series. Sorry for confusion.
> >>> +      - items:
> >>> +          - enum:
> >>> +              - tesla,sysreg_fsys0
> >>> +              - tesla,sysreg_peric
> >>
> >> From where did you get underscores in compatibles?
> >>
> > I have seen in MCAN Driver <drivers/net/can/m_can/m_can_platform.c>
> and also too many other yaml files.
> > Do you have any ref standard guideline of compatible which says
> underscore is not allowed.
> 
> git grep compatible arch/arm64/boot/dts/exynos/ | grep _ git grep
> compatible arch/arm/boot/dts/exynos* | grep _
> 
> Both give 0 results. For few other SoCs there such cases but that's really,
> really exception. Drop underscores.
> 
git grep compatible arch/arm64/boot/dts/ | grep _ | wc -l 
This gives me 456 location, am I missing anything here ?
Anyway I will replace with "-" in next patch series.
> 
> Best regards,
> Krzysztof
Thanks for review the patches.