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This will allow dedicated system resources to communicate with the high-speed FPGA hardware without interruption or software overhead. This results in faster, more secure, and consistent cryptographic operations compared to running the services entirely on the general-purpose CPU. Signed-off-by: Balsundar Ponnusamy Signed-off-by: Wang, Hang Suan --- --- .../misc/intel,agilex5-soc-fcs-config.yaml | 32 +++++++++++++++++++ MAINTAINERS | 5 +++ 2 files changed, 37 insertions(+) create mode 100644 Documentation/devicetree/bindings/misc/intel,agilex5-so= c-fcs-config.yaml diff --git a/Documentation/devicetree/bindings/misc/intel,agilex5-soc-fcs-c= onfig.yaml b/Documentation/devicetree/bindings/misc/intel,agilex5-soc-fcs-c= onfig.yaml new file mode 100644 index 000000000000..10cd793f8fc5 --- /dev/null +++ b/Documentation/devicetree/bindings/misc/intel,agilex5-soc-fcs-config.y= aml @@ -0,0 +1,32 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/misc/intel,agilex5-soc-fcs-config.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Altera SoC FPGA Crypto Service features + +maintainers: + - Wang Hang Suan + - Balsundar Ponnusamy + - Sagar Khadgi + - Santosh Male + - Mahesh Rao + +properties: + compatible: + enum: + - intel,agilex5-soc-fcs-config + - intel,agilex-soc-fcs-config + +additionalProperties: false + +required: + - compatible + +examples: + - | + fcs_config: fcs-config { + compatible =3D "intel,agilex5-soc-fcs-config"; 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charset="utf-8" From: "Wang, Hang Suan" Altera SoC FPGA Crypto Service (fcs) provide hardware crypto features through mailbox. Fcs property has to be added to compliance with device tree schema fcs bindings and driver. Signed-off-by: Wang, Hang Suan --- --- .../devicetree/bindings/firmware/intel,stratix10-svc.yaml | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/firmware/intel,stratix10-svc= .yaml b/Documentation/devicetree/bindings/firmware/intel,stratix10-svc.yaml index b42cfa78b28b..c105f8dc4b7d 100644 --- a/Documentation/devicetree/bindings/firmware/intel,stratix10-svc.yaml +++ b/Documentation/devicetree/bindings/firmware/intel,stratix10-svc.yaml @@ -62,6 +62,10 @@ properties: $ref: /schemas/fpga/intel,stratix10-soc-fpga-mgr.yaml description: Optional child node for fpga manager to perform fabric co= nfiguration. =20 + fcs-config: + $ref: /schemas/misc/intel,agilex5-soc-fcs-config.yaml + description: Optional child node for fcs Fpga Crypto Service (fcs) to = perform SoC Crypto Engine. + required: - compatible - method --=20 2.43.7 From nobody Sun Dec 14 06:42:25 2025 Received: from SA9PR02CU001.outbound.protection.outlook.com (mail-southcentralusazon11013000.outbound.protection.outlook.com [40.93.196.0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B839731D72D; 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charset="utf-8" From: "Wang, Hang Suan" Altera new SoC/Hardware FPGA Crypto Service (fcs) provide hardware crypto features through mailbox. Hence, enable fcs driver inside the firmware node for agilex devices. Signed-off-by: Balsundar Ponnusamy Signed-off-by: Wang, Hang Suan --- --- arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi b/arch/arm64/bo= ot/dts/intel/socfpga_agilex5.dtsi index 1f5d560f97b2..05520f819ea8 100644 --- a/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi +++ b/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi @@ -90,6 +90,11 @@ fpga_mgr: fpga-mgr { compatible =3D "intel,agilex5-soc-fpga-mgr", "intel,agilex-soc-fpga-mgr"; }; + + fcs_config: fcs-config { + compatible =3D "intel,agilex5-soc-fcs-config"; + }; + }; }; =20 --=20 2.43.7 From nobody Sun Dec 14 06:42:25 2025 Received: from SA9PR02CU001.outbound.protection.outlook.com (mail-southcentralusazon11013000.outbound.protection.outlook.com [40.93.196.0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4F10A31D727; Fri, 12 Dec 2025 11:35:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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charset="utf-8" From: "Wang, Hang Suan" Altera new SoC/Hardware FPGA Crypto Service (fcs) provide hardware crypto features through mailbox. Hence, enable fcs driver inside the firmware node for agilex devices. Signed-off-by: Mahesh Rao Signed-off-by: Wang, Hang Suan --- --- arch/arm64/boot/dts/intel/socfpga_agilex.dtsi | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi b/arch/arm64/boo= t/dts/intel/socfpga_agilex.dtsi index 0dfbafde8822..3ee2f7eb7ea3 100644 --- a/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi +++ b/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi @@ -69,6 +69,10 @@ svc { fpga_mgr: fpga-mgr { compatible =3D "intel,agilex-soc-fpga-mgr"; }; + + fcs_config: fcs-config { + compatible =3D "intel,agilex-soc-fcs-config"; + }; }; }; =20 --=20 2.43.7