linux-kernel - [RFC PATCH 0/6] Add SA2UL Public Key Accelerator driver

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Date:   Mon, 8 Aug 2022 14:12:49 -0500
From:   Daniel Parks <danielrparks@...com>
To:     Herbert Xu <herbert@...dor.apana.org.au>,
        "David S . Miller" <davem@...emloft.net>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Nishanth Menon <nm@...com>,
        Vignesh Raghavendra <vigneshr@...com>,
        Tero Kristo <kristo@...nel.org>
CC:     <linux-crypto@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: [RFC PATCH 0/6] Add SA2UL Public Key Accelerator driver

The PKA is a subdevice of the SA2UL that provides hardware acceleration
for asymmetric cryptography algorithms. RSA and Diffie-Hellman are
enabled in this patch series.

Tested using these configurations:
- CONFIG_CRYPTO_MANAGER_DISABLE_TESTS=n
- CONFIG_CRYPTO_MANAGER_EXTRA_TESTS=y

These patches are RFC for now because we're waiting for legal to clear
us to release the firmware.

The dts patches depend on [1] and [2], respectively, to apply without
fuzz.

[1]: https://www.spinics.net/lists/devicetree/msg523234.html
[2]: https://www.spinics.net/lists/devicetree/msg523233.html

Daniel Parks (6):
  dt-bindings: crypto: ti,sa2ul: add pka subdevice
  dt-bindings: crypto: add binding for eip29t2 public key accelerator
    (PKA)
  arm64: dts: ti: k3-am64-main: add SA2UL public key accelerator
    subdevice
  arm64: dts: ti: k3-j721e-main: add SA2UL public key accelerator
    subdevice
  crypto: sa2ul: turn on PKA engine
  crypto: sa2ul_pka: Add SA2UL PKA driver

 .../inside-secure,safexcel-eip29t2.yaml       |  49 ++
 .../devicetree/bindings/crypto/ti,sa2ul.yaml  |   6 +
 arch/arm64/boot/dts/ti/k3-am64-main.dtsi      |   8 +
 arch/arm64/boot/dts/ti/k3-j721e-main.dtsi     |   7 +
 drivers/crypto/Kconfig                        |   2 +
 drivers/crypto/Makefile                       |   1 +
 drivers/crypto/sa2ul.c                        |   2 +-
 drivers/crypto/sa2ul_pka/Kconfig              |  26 +
 drivers/crypto/sa2ul_pka/Makefile             |   3 +
 drivers/crypto/sa2ul_pka/sa2ul_pka.h          | 135 +++++
 drivers/crypto/sa2ul_pka/sa2ul_pka_base.c     | 564 ++++++++++++++++++
 drivers/crypto/sa2ul_pka/sa2ul_pka_dh.c       | 150 +++++
 drivers/crypto/sa2ul_pka/sa2ul_pka_op.c       | 205 +++++++
 drivers/crypto/sa2ul_pka/sa2ul_pka_op.h       |  28 +
 drivers/crypto/sa2ul_pka/sa2ul_pka_rsa.c      | 193 ++++++
 drivers/crypto/sa2ul_pka/sa2ul_pka_sg.c       | 316 ++++++++++
 16 files changed, 1694 insertions(+), 1 deletion(-)
 create mode 100644 Documentation/devicetree/bindings/crypto/inside-secure,safexcel-eip29t2.yaml
 create mode 100644 drivers/crypto/sa2ul_pka/Kconfig
 create mode 100644 drivers/crypto/sa2ul_pka/Makefile
 create mode 100644 drivers/crypto/sa2ul_pka/sa2ul_pka.h
 create mode 100644 drivers/crypto/sa2ul_pka/sa2ul_pka_base.c
 create mode 100644 drivers/crypto/sa2ul_pka/sa2ul_pka_dh.c
 create mode 100644 drivers/crypto/sa2ul_pka/sa2ul_pka_op.c
 create mode 100644 drivers/crypto/sa2ul_pka/sa2ul_pka_op.h
 create mode 100644 drivers/crypto/sa2ul_pka/sa2ul_pka_rsa.c
 create mode 100644 drivers/crypto/sa2ul_pka/sa2ul_pka_sg.c

-- 
2.17.1