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

["Vivek Yadav" <vivek.2311@samsung.com>]

> -----Original Message-----
> From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> Sent: 10 November 2022 17:42
> To: Vivek Yadav <vivek.2311@samsung.com>; rcsekar@samsung.com;
> krzysztof.kozlowski+dt@linaro.org; wg@grandegger.com;
> mkl@pengutronix.de; davem@davemloft.net; edumazet@google.com;
> kuba@kernel.org; pabeni@redhat.com; pankaj.dubey@samsung.com;
> ravi.patel@samsung.com; alim.akhtar@samsung.com; linux-fsd@tesla.com;
> robh+dt@kernel.org
> Cc: linux-can@vger.kernel.org; netdev@vger.kernel.org; linux-
> kernel@vger.kernel.org; linux-arm-kernel@lists.infradead.org; linux-
> samsung-soc@vger.kernel.org; devicetree@vger.kernel.org;
> aswani.reddy@samsung.com; sriranjani.p@samsung.com
> 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@samsung.com>
> >>> +
> >>> +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.