linux-kernel - Re: [PATCH] dt-bindings: ufs: qcom: Add reg-names property for ICE

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Message-ID: <24fa41d2-87d1-be19-af44-337784b0f0a4@linaro.org>
Date:   Fri, 9 Dec 2022 16:05:49 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Luca Weiss <luca.weiss@...rphone.com>,
        ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Avri Altman <avri.altman@....com>,
        Bart Van Assche <bvanassche@....org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     linux-arm-msm@...r.kernel.org, linux-scsi@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: ufs: qcom: Add reg-names property for ICE

On 09/12/2022 15:29, Luca Weiss wrote:
> The code in ufs-qcom-ice.c needs the ICE reg to be named "ice". Add this
> in the bindings so the existing dts can validate successfully.
> 
> Also sm8450 is using ICE since commit 276ee34a40c1 ("arm64: dts: qcom:
> sm8450: add Inline Crypto Engine registers and clock") so move the
> compatible to the correct if.
> 
> Signed-off-by: Luca Weiss <luca.weiss@...rphone.com>
> ---
> (no cover subject)
> 
> The only remaining validation issues I see is the following on sc8280xp-crd.dtb
> and sa8540p-ride.dtb:
> 
>   Unevaluated properties are not allowed ('required-opps', 'dma-coherent' were unexpected)
> 
> Maybe someone who knows something about this can handle this?
> 
> And the patch adding qcom,sm6115-ufshc hasn't been applied yet.
> ---
>  Documentation/devicetree/bindings/ufs/qcom,ufs.yaml | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml b/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml
> index f2d6298d926c..58a2fb2c83c3 100644
> --- a/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml
> +++ b/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml
> @@ -102,7 +102,6 @@ allOf:
>                - qcom,sc8280xp-ufshc
>                - qcom,sm8250-ufshc
>                - qcom,sm8350-ufshc
> -              - qcom,sm8450-ufshc
>      then:
>        properties:
>          clocks:
> @@ -130,6 +129,7 @@ allOf:
>                - qcom,sdm845-ufshc
>                - qcom,sm6350-ufshc
>                - qcom,sm8150-ufshc
> +              - qcom,sm8450-ufshc
>      then:
>        properties:
>          clocks:
> @@ -149,6 +149,12 @@ allOf:
>          reg:
>            minItems: 2
>            maxItems: 2
> +        reg-names:

There are no reg-names in top-level, so it's surprising to see its
customized here. It seems no one ever documented that usage...

> +          items:
> +            - const: std
> +            - const: ice
> +      required:
> +        - reg-names
>  
>    - if:
>        properties:
> 
> ---
> base-commit: f925116b24c0c42dc6d5ab5111c55fd7f74e8dc7
> change-id: 20221209-dt-binding-ufs-2d7f64797ff2
> 
> Best regards,

Best regards,
Krzysztof