linux-kernel - Re: [PATCH v6 2/6] dt-bindings: ufs: qcom: Add ICE phandle

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Date:   Fri, 7 Apr 2023 15:45:47 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Abel Vesa <abel.vesa@...aro.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Manivannan Sadhasivam <mani@...nel.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Avri Altman <avri.altman@....com>,
        Bart Van Assche <bvanassche@....org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        "James E . J . Bottomley" <jejb@...ux.ibm.com>,
        "Martin K . Petersen" <martin.petersen@...cle.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S . Miller" <davem@...emloft.net>,
        Eric Biggers <ebiggers@...nel.org>
Cc:     linux-mmc@...r.kernel.org, devicetree@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-arm-msm@...r.kernel.org, linux-crypto@...r.kernel.org,
        linux-scsi@...r.kernel.org
Subject: Re: [PATCH v6 2/6] dt-bindings: ufs: qcom: Add ICE phandle

On 07/04/2023 12:50, Abel Vesa wrote:
> Starting with SM8550, the ICE will have its own devicetree node
> so add the qcom,ice property to reference it.
> 
> Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
> ---
> 
> The v5 is here:
> https://lore.kernel.org/all/20230403200530.2103099-3-abel.vesa@linaro.org/
> 
> Changes since v5:
>  * dropped the sm8550 specific subschema and replaced it with one that
>    mutually excludes the qcom,ice vs both the ICE specific reg range
>    and the ICE clock
> 
> Changes since v4:
>  * Added check for sm8550 compatible w.r.t. qcom,ice in order to enforce
>    it while making sure none of the other platforms are allowed to use it
> 
> Changes since v3:
>  * dropped the "and drop core clock" part from subject line
> 
> Changes since v2:
>  * dropped all changes except the qcom,ice property
> 
> 
>  .../devicetree/bindings/ufs/qcom,ufs.yaml     | 26 +++++++++++++++++++
>  1 file changed, 26 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml b/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml
> index c5a06c048389..71aa79eac6b4 100644
> --- a/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml
> +++ b/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml
> @@ -70,6 +70,10 @@ properties:
>    power-domains:
>      maxItems: 1
>  
> +  qcom,ice:
> +    $ref: /schemas/types.yaml#/definitions/phandle
> +    description: phandle to the Inline Crypto Engine node
> +
>    reg:
>      minItems: 1
>      maxItems: 2
> @@ -187,6 +191,28 @@ allOf:
>  
>      # TODO: define clock bindings for qcom,msm8994-ufshc
>  
> +  - if:
> +      properties:
> +        qcom,ice:
> +          minItems: 1

Drop minItems

> +          maxItems: 1
> +    then:
> +      properties:
> +        reg:
> +          minItems: 1

Drop minItems

> +          maxItems: 1
> +        clocks:
> +          minItems: 8
> +          maxItems: 8
Best regards,
Krzysztof