linux-kernel - Re: [PATCH] arm64: dts: qcom: x1e80100: Add crypto engine

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Message-ID: <936dc0e7-bd24-4b20-892e-831b4e5ddfaf@oss.qualcomm.com>
Date: Thu, 13 Feb 2025 14:53:38 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Stephan Gerhold <stephan.gerhold@...aro.org>,
        Abel Vesa <abel.vesa@...aro.org>
Cc: Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
 <conor+dt@...nel.org>, Johan Hovold <johan@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: qcom: x1e80100: Add crypto engine

On 13.02.2025 2:18 PM, Stephan Gerhold wrote:
> On Thu, Feb 13, 2025 at 02:44:02PM +0200, Abel Vesa wrote:
>> On X Elite, there is a crypto engine IP block similar to ones found on
>> SM8x50 platforms.
>>
>> Describe the crypto engine and its BAM.
>>
>> Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
>> ---
>> https://lore.kernel.org/all/20250213-dt-bindings-qcom-qce-x1e80100-v1-1-d17ef73a1c12@linaro.org/
>> ---
>>  arch/arm64/boot/dts/qcom/x1e80100.dtsi | 30 ++++++++++++++++++++++++++++++
>>  1 file changed, 30 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/x1e80100.dtsi b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
>> index 9d38436763432892ceef95daf0335d4cf446357c..5a2c5dd1dc2950b918af23c0939a112cbe47398b 100644
>> --- a/arch/arm64/boot/dts/qcom/x1e80100.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
>> @@ -3708,6 +3708,36 @@ pcie4_phy: phy@...e000 {
>>  			status = "disabled";
>>  		};
>>  
>> +		cryptobam: dma-controller@...4000 {
>> +			compatible = "qcom,bam-v1.7.0";
> 
> Hm, I would expect this is at least "qcom,bam-v1.7.4", "qcom,bam-v1.7.0"
> given that this is a pretty recent SoC. I don't think this makes any
> functional difference though, and we don't seem to have it on other
> recent SoCs...

It is v1.7.4 fwiw

Konrad