linux-kernel - Re: [PATCH 1/2] dt-bindings: dma: qcom-bam: Document crypto v6 BAM

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Message-ID: <664b05a6-2f03-41a5-b6d0-e7b5e0b23b9b@oss.qualcomm.com>
Date: Wed, 5 Nov 2025 17:58:07 +0800
From: "Aiqun(Maria) Yu" <aiqun.yu@....qualcomm.com>
To: Jingyi Wang <jingyi.wang@....qualcomm.com>, Vinod Koul
 <vkoul@...nel.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
 <conor+dt@...nel.org>, Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, dmaengine@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        tingwei.zhang@....qualcomm.com, trilok.soni@....qualcomm.com,
        yijie.yang@....qualcomm.com,
        Gaurav Kashyap <gaurav.kashyap@....qualcomm.com>
Subject: Re: [PATCH 1/2] dt-bindings: dma: qcom-bam: Document crypto v6 BAM

On 9/25/2025 7:39 AM, Jingyi Wang wrote:
> From: Gaurav Kashyap <gaurav.kashyap@....qualcomm.com>
> 
> Document the new BAM compatible which is used by
> QCE (Qualcomm Crypto Engine) versions 6 and above.
> 
> Signed-off-by: Gaurav Kashyap <gaurav.kashyap@....qualcomm.com>
> Signed-off-by: Jingyi Wang <jingyi.wang@....qualcomm.com>
> ---
>  Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml b/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml
> index 6493a6968bb4..4e5b6675af7c 100644
> --- a/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml
> +++ b/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml
> @@ -17,6 +17,8 @@ properties:
>    compatible:
>      oneOf:
>        - enum:
> +          # Kaanapali
> +          - qcom,bam-crypto-v6

Is there a specific reason for changing the name format to include
“crypto” here?
It seems the previous format was something like qcom,bam-v6.0.0.
If we ever need to update to something like qcom,bam-v6.x.0, we wouldn’t
require a special renaming format just for bam-v6.

>            # APQ8064, IPQ8064 and MSM8960
>            - qcom,bam-v1.3.0
>            # MSM8974, APQ8074 and APQ8084
> 


-- 
Thx and BRs,
Aiqun(Maria) Yu