linux-kernel - Re: [PATCH] arm64: dts: qcom: sm8450: add crypto nodes

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Date:   Wed, 22 Mar 2023 15:45:39 +0530
From:   Bhupesh Sharma <bhupesh.sharma@...aro.org>
To:     Neil Armstrong <neil.armstrong@...aro.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: qcom: sm8450: add crypto nodes

On Wed, 22 Mar 2023 at 15:34, Neil Armstrong <neil.armstrong@...aro.org> wrote:
>
> Add crypto engine (CE) and CE BAM related nodes and definitions
> for the SM8450 SoC.
>
> Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
> ---
>  arch/arm64/boot/dts/qcom/sm8450.dtsi | 28 ++++++++++++++++++++++++++++
>  1 file changed, 28 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi
> index 7c1d1464a1f8..d7e0a1993558 100644
> --- a/arch/arm64/boot/dts/qcom/sm8450.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi
> @@ -4084,6 +4084,34 @@ ufs_mem_phy_lanes: phy@...7400 {
>                         };
>                 };
>
> +               cryptobam: dma-controller@...4000 {
> +                       compatible = "qcom,bam-v1.7.0";

This should be "qcom,bam-v1.7.4" instead, as per the HW documentation.
Please refer to my patch here:
https://lore.kernel.org/linux-arm-msm/20230321184811.3325725-1-bhupesh.sharma@linaro.org/

So, if you want I can modify this and fold it in my overall dts
patchset, for which I am about to send a v2:
https://lore.kernel.org/linux-arm-msm/20230321190118.3327360-1-bhupesh.sharma@linaro.org/

Thanks,
Bhupesh

> +                       reg = <0 0x01dc4000 0 0x28000>;
> +                       interrupts = <GIC_SPI 272 IRQ_TYPE_LEVEL_HIGH>;
> +                       #dma-cells = <1>;
> +                       qcom,ee = <0>;
> +                       qcom,controlled-remotely;
> +                       iommus = <&apps_smmu 0x584 0x11>,
> +                                <&apps_smmu 0x588 0x0>,
> +                                <&apps_smmu 0x598 0x5>,
> +                                <&apps_smmu 0x59a 0x0>,
> +                                <&apps_smmu 0x59f 0x0>;
> +               };
> +
> +               crypto: crypto@...0000 {
> +                       compatible = "qcom,sm8450-qce", "qcom,sm8150-qce", "qcom,qce";
> +                       reg = <0 0x01dfa000 0 0x6000>;
> +                       dmas = <&cryptobam 4>, <&cryptobam 5>;
> +                       dma-names = "rx", "tx";
> +                       iommus = <&apps_smmu 0x584 0x11>,
> +                                <&apps_smmu 0x588 0x0>,
> +                                <&apps_smmu 0x598 0x5>,
> +                                <&apps_smmu 0x59a 0x0>,
> +                                <&apps_smmu 0x59f 0x0>;
> +                       interconnects = <&aggre2_noc MASTER_CRYPTO 0 &mc_virt SLAVE_EBI1 0>;
> +                       interconnect-names = "memory";
> +               };
> +
>                 sdhc_2: mmc@...4000 {
>                         compatible = "qcom,sm8450-sdhci", "qcom,sdhci-msm-v5";
>                         reg = <0 0x08804000 0 0x1000>;
>
> ---
> base-commit: b12b871ec9079b0baefa69f8a869712682d16020
> change-id: 20230322-topic-sm8450-upstream-qce-04daf8d81bb1
>
> Best regards,
> --
> Neil Armstrong <neil.armstrong@...aro.org>
>