linux-kernel - Re: [PATCH v5 11/22] dt-bindings: crypto : Add new compatible strings for qcom-qce

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Date:   Fri, 12 Nov 2021 12:25:13 +0200
From:   Vladimir Zapolskiy <vladimir.zapolskiy@...aro.org>
To:     Bhupesh Sharma <bhupesh.sharma@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-crypto@...r.kernel.org
Cc:     bhupesh.linux@...il.com, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, robh+dt@...nel.org, agross@...nel.org,
        herbert@...dor.apana.org.au, davem@...emloft.net,
        stephan@...hold.net, Thara Gopinath <thara.gopinath@...aro.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh@...nel.org>
Subject: Re: [PATCH v5 11/22] dt-bindings: crypto : Add new compatible strings
 for qcom-qce

Hi Bhupesh,

On 11/10/21 12:59 PM, Bhupesh Sharma wrote:
> Newer qcom chips support newer versions of the qce crypto IP, so add
> soc specific compatible strings for qcom-qce instead of using crypto
> IP version specific ones.
> 
> Keep the old strings for backward-compatibility, but mark them as
> deprecated.
> 
> Cc: Thara Gopinath <thara.gopinath@...aro.org>
> Cc: Bjorn Andersson <bjorn.andersson@...aro.org>
> Reviewed-by: Rob Herring <robh@...nel.org>
> Signed-off-by: Bhupesh Sharma <bhupesh.sharma@...aro.org>
> ---
>   Documentation/devicetree/bindings/crypto/qcom-qce.yaml | 10 ++++++++--
>   1 file changed, 8 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/crypto/qcom-qce.yaml b/Documentation/devicetree/bindings/crypto/qcom-qce.yaml
> index efe349e66ae7..77b9f544f32f 100644
> --- a/Documentation/devicetree/bindings/crypto/qcom-qce.yaml
> +++ b/Documentation/devicetree/bindings/crypto/qcom-qce.yaml
> @@ -15,7 +15,13 @@ description: |
>   
>   properties:
>     compatible:
> -    const: qcom,crypto-v5.1
> +    enum:
> +      - qcom,crypto-v5.1 # Deprecated. Kept only for backward compatibility
> +      - qcom,ipq6018-qce
> +      - qcom,sdm845-qce
> +      - qcom,sm8150-qce
> +      - qcom,sm8250-qce
> +      - qcom,sm8350-qce

let me ask you to add at least two more compatibles to the list: qcom,ipq8074-qce
and qcom,msm8996-qce.

>   
>     reg:
>       maxItems: 1
> @@ -68,7 +74,7 @@ examples:
>     - |
>       #include <dt-bindings/clock/qcom,gcc-apq8084.h>
>       crypto-engine@...5a000 {
> -        compatible = "qcom,crypto-v5.1";
> +        compatible = "qcom,ipq6018-qce";
>           reg = <0xfd45a000 0x6000>;
>           clocks = <&gcc GCC_CE2_AHB_CLK>,
>                    <&gcc GCC_CE2_AXI_CLK>,
> 

--
Best wishes,
Vladimir