Commit 17048b22 authored by Akhil R's avatar Akhil R Committed by Herbert Xu
Browse files

dt-bindings: crypto: Add Tegra Security Engine 



Add DT binding document for Tegra Security Engine.
The AES and HASH algorithms are handled independently by separate
engines within the Security Engine. These engines are registered
as two separate crypto engine drivers.

Signed-off-by: default avatarAkhil R <akhilrajeev@nvidia.com>
Reviewed-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 58329c43

Documentation/devicetree/bindings/crypto/nvidia,tegra234-se-aes.yaml

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/crypto/nvidia,tegra234-se-aes.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: NVIDIA Tegra Security Engine for AES algorithms



description:

  The Tegra Security Engine accelerates the following AES encryption/decryption

  algorithms - AES-ECB, AES-CBC, AES-OFB, AES-XTS, AES-CTR, AES-GCM, AES-CCM,

  AES-CMAC



maintainers:

  - Akhil R <akhilrajeev@nvidia.com>



properties:

  compatible:

    const: nvidia,tegra234-se-aes



  reg:

    maxItems: 1



  clocks:

    maxItems: 1



  iommus:

    maxItems: 1



  dma-coherent: true



required:

  - compatible

  - reg

  - clocks

  - iommus



additionalProperties: false



examples:

  - |

    #include <dt-bindings/memory/tegra234-mc.h>

    #include <dt-bindings/clock/tegra234-clock.h>



    crypto@15820000 {

        compatible = "nvidia,tegra234-se-aes";

        reg = <0x15820000 0x10000>;

        clocks = <&bpmp TEGRA234_CLK_SE>;

        iommus = <&smmu TEGRA234_SID_SES_SE1>;

        dma-coherent;

    };

...

Documentation/devicetree/bindings/crypto/nvidia,tegra234-se-hash.yaml

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/crypto/nvidia,tegra234-se-hash.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: NVIDIA Tegra Security Engine for HASH algorithms



description:

  The Tegra Security HASH Engine accelerates the following HASH functions -

  SHA1, SHA224, SHA256, SHA384, SHA512, SHA3-224, SHA3-256, SHA3-384, SHA3-512

  HMAC(SHA224), HMAC(SHA256), HMAC(SHA384), HMAC(SHA512)



maintainers:

  - Akhil R <akhilrajeev@nvidia.com>



properties:

  compatible:

    const: nvidia,tegra234-se-hash



  reg:

    maxItems: 1



  clocks:

    maxItems: 1



  iommus:

    maxItems: 1



  dma-coherent: true



required:

  - compatible

  - reg

  - clocks

  - iommus



additionalProperties: false



examples:

  - |

    #include <dt-bindings/memory/tegra234-mc.h>

    #include <dt-bindings/clock/tegra234-clock.h>



    crypto@15840000 {

        compatible = "nvidia,tegra234-se-hash";

        reg = <0x15840000 0x10000>;

        clocks = <&bpmp TEGRA234_CLK_SE>;

        iommus = <&smmu TEGRA234_SID_SES_SE2>;

        dma-coherent;

    };

...