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[93.34.91.161]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-4316f58adffsm60303545e9.22.2024.10.21.07.57.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Oct 2024 07:57:52 -0700 (PDT) From: Christian Marangi To: Herbert Xu , "David S. Miller" , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Antoine Tenart , Peter Zijlstra , Ingo Molnar , Will Deacon , Waiman Long , Boqun Feng , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , Richard van Schagen , Christian Marangi , linux-crypto@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev Subject: [RFC PATCH v3 2/3] dt-bindings: crypto: Add Inside Secure SafeXcel EIP-93 crypto engine Date: Mon, 21 Oct 2024 16:56:38 +0200 Message-ID: <20241021145642.16368-2-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20241021145642.16368-1-ansuelsmth@gmail.com> References: <20241021145642.16368-1-ansuelsmth@gmail.com> Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Add bindings for the Inside Secure SafeXcel EIP-93 crypto engine. The IP is present on Airoha SoC and on various Mediatek devices and other SoC under different names like mtk-eip93 or PKTE. Signed-off-by: Christian Marangi --- Changes v3: - Add SoC compatible with generic one Changes v2: - Change to better compatible - Add description for EIP93 models .../crypto/inside-secure,safexcel-eip93.yaml | 63 +++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 Documentation/devicetree/bindings/crypto/inside-secure,safexcel-eip93.yaml diff --git a/Documentation/devicetree/bindings/crypto/inside-secure,safexcel-eip93.yaml b/Documentation/devicetree/bindings/crypto/inside-secure,safexcel-eip93.yaml new file mode 100644 index 000000000000..13341710ee31 --- /dev/null +++ b/Documentation/devicetree/bindings/crypto/inside-secure,safexcel-eip93.yaml @@ -0,0 +1,63 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/crypto/inside-secure,safexcel-eip93.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Inside Secure SafeXcel EIP-93 cryptographic engine + +maintainers: + - Christian Marangi + +description: | + The Inside Secure SafeXcel EIP-93 is a cryptographic engine IP block + integrated in varios devices with very different and generic name from + PKTE to simply vendor+EIP93. The real IP under the hood is actually + developed by Inside Secure and given to license to vendors. + + The IP block is sold with different model based on what feature are + needed and are identified with the final letter. Each letter correspond + to a specific set of feature and multiple letter reflect the sum of the + feature set. + + EIP-93 models: + - EIP-93i: (basic) DES/Triple DES, AES, PRNG, IPsec ESP, SRTP, SHA1 + - EIP-93ie: i + SHA224/256, AES-192/256 + - EIP-93is: i + SSL/DTLS/DTLS, MD5, ARC4 + - EIP-93ies: i + e + s + - EIP-93iw: i + AES-XCB-MAC, AES-CCM + +properties: + compatible: + items: + - const: airoha,crypto-eip93 + - enum: + - inside-secure,safexcel-eip93i + - inside-secure,safexcel-eip93ie + - inside-secure,safexcel-eip93is + - inside-secure,safexcel-eip93ies + - inside-secure,safexcel-eip93iw + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +examples: + - | + #include + + crypto@1e004000 { + compatible = "airoha,crypto-eip93", "inside-secure,safexcel-eip93ies"; + reg = <0x1fb70000 0x1000>; + + interrupts = ; + };