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Describe the crypto engine and its BAM. Signed-off-by: Harshal Dev Reviewed-by: Konrad Dybcio Tested-by: Wenjia Zhang # on x1e80100 --- The dt-binding schema update for the x1e80100 compatible is here (already merged): =20 https://lore.kernel.org/all/20250213-dt-bindings-qcom-qce-x1e80100-v1-1-d17= ef73a1c12@linaro.org/ --- Changes in v4: - Updated iommu property to use 0x0 instead of 0x0000 in last cell. - Updated dma-names property by listing one dma channel name per line. - Use QCOM_ICC_TAG_ALWAYS symbol instead of 0 in the interconnects property. - Link to v3: https://lore.kernel.org/r/20251127-crypto_dt_node_x1e80100-v3= -1-29722003fe83@oss.qualcomm.com --- Changes in v3: - Fixed num-channels and qcom,num-ees properties by updating them to 20 and= 4 respectively. - Link to v2: https://lore.kernel.org/all/20250221-x1e80100-crypto-v2-1-413= ecf68dcd7@linaro.org Changes in v2: - Added EE and channels numbers in BAM node, like Stephan suggested. - Added v1.7.4 compatible as well. - Link to v1: https://lore.kernel.org/r/20250213-x1e80100-crypto-v1-1-f93af= dd4025a@linaro.org --- arch/arm64/boot/dts/qcom/x1e80100.dtsi | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/x1e80100.dtsi b/arch/arm64/boot/dts/q= com/x1e80100.dtsi index 51576d9c935d..0ae5242e98cb 100644 --- a/arch/arm64/boot/dts/qcom/x1e80100.dtsi +++ b/arch/arm64/boot/dts/qcom/x1e80100.dtsi @@ -3033,6 +3033,32 @@ usb_1_ss2_qmpphy_dp_in: endpoint { }; }; =20 + cryptobam: dma-controller@1dc4000 { + compatible =3D "qcom,bam-v1.7.4", "qcom,bam-v1.7.0"; + reg =3D <0x0 0x01dc4000 0x0 0x28000>; + interrupts =3D ; + #dma-cells =3D <1>; + iommus =3D <&apps_smmu 0x480 0x0>, + <&apps_smmu 0x481 0x0>; + qcom,ee =3D <0>; + qcom,controlled-remotely; + num-channels =3D <20>; + qcom,num-ees =3D <4>; + }; + + crypto: crypto@1dfa000 { + compatible =3D "qcom,x1e80100-qce", "qcom,sm8150-qce", "qcom,qce"; + reg =3D <0x0 0x01dfa000 0x0 0x6000>; + dmas =3D <&cryptobam 4>, <&cryptobam 5>; + dma-names =3D "rx", + "tx"; + iommus =3D <&apps_smmu 0x480 0x0>, + <&apps_smmu 0x481 0x0>; + interconnects =3D <&aggre2_noc MASTER_CRYPTO QCOM_ICC_TAG_ALWAYS + &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>; + interconnect-names =3D "memory"; + }; + cnoc_main: interconnect@1500000 { compatible =3D "qcom,x1e80100-cnoc-main"; reg =3D <0 0x01500000 0 0x14400>; --- base-commit: 765e56e41a5af2d456ddda6cbd617b9d3295ab4e change-id: 20251127-crypto_dt_node_x1e80100-bcb1a2837b56 Best regards, --=20 Harshal Dev