linux-kernel - Re: [PATCH v4] arm64: dts: qcom: x1e80100: Add crypto engine

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Message-ID: <2cf32f08-99e9-48c2-ad0f-2e579d50f7a9@oss.qualcomm.com>
Date: Mon, 8 Dec 2025 16:56:49 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Harshal Dev <harshal.dev@....qualcomm.com>,
        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>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Val Packett <val@...kett.cool>,
        Stephan Gerhold <stephan.gerhold@...aro.org>,
        Abel Vesa <abel.vesa@....qualcomm.com>,
        Udit Tiwari <quic_utiwari@...cinc.com>,
        Neeraj Soni <quic_neersoni@...cinc.com>
Subject: Re: [PATCH v4] arm64: dts: qcom: x1e80100: Add crypto engine

On 12/8/25 1:32 PM, Harshal Dev 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: Harshal Dev <harshal.dev@....qualcomm.com>
> ---
> The dt-binding schema update for the x1e80100 compatible is here
> (already merged):
>     
> https://lore.kernel.org/all/20250213-dt-bindings-qcom-qce-x1e80100-v1-1-d17ef73a1c12@linaro.org/
> ---


> +		cryptobam: dma-controller@...4000 {
> +			compatible = "qcom,bam-v1.7.4", "qcom,bam-v1.7.0";
> +			reg = <0x0 0x01dc4000 0x0 0x28000>;
> +			interrupts = <GIC_SPI 272 IRQ_TYPE_LEVEL_HIGH>;
> +			#dma-cells = <1>;
> +			iommus = <&apps_smmu 0x480 0x0>,
> +				 <&apps_smmu 0x481 0x0>;
> +			qcom,ee = <0>;
> +			qcom,controlled-remotely;
> +			num-channels = <20>;
> +			qcom,num-ees = <4>;
> +		};
> +
> +		crypto: crypto@...a000 {
> +			compatible = "qcom,x1e80100-qce", "qcom,sm8150-qce", "qcom,qce";
> +			reg = <0x0 0x01dfa000 0x0 0x6000>;
> +			dmas = <&cryptobam 4>, <&cryptobam 5>;
> +			dma-names = "rx",
> +				    "tx";
> +			iommus = <&apps_smmu 0x480 0x0>,
> +				 <&apps_smmu 0x481 0x0>;
> +			interconnects = <&aggre2_noc MASTER_CRYPTO QCOM_ICC_TAG_ALWAYS
> +					 &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>;
> +			interconnect-names = "memory";
> +		};
> +
>  		cnoc_main: interconnect@...0000 {

Right as I hit enter for the rb message, I noticed the nodes you're
adding are not sorted - please sort them wrt the unit address (@foo)
and retain my tag then

Konrad