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Miller" , Rob Herring , Krzysztof Kozlowski , Joel Stanley , "Andrew Jeffery" , Johnny Huang CC: , , , , Subject: [PATCH 4/5] dt-bindings: crypto: add documentation for aspeed hace Date: Wed, 1 Jun 2022 13:42:03 +0800 Message-ID: <20220601054204.1522976-5-neal_liu@aspeedtech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220601054204.1522976-1-neal_liu@aspeedtech.com> References: <20220601054204.1522976-1-neal_liu@aspeedtech.com> MIME-Version: 1.0 X-Originating-IP: [192.168.10.10] X-ClientProxiedBy: TWMBX02.aspeed.com (192.168.0.24) To TWMBX02.aspeed.com (192.168.0.24) X-DNSRBL: X-MAIL: twspam01.aspeedtech.com 2515Rn6E027924 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220531_224404_149928_C17BB638 X-CRM114-Status: GOOD ( 12.93 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add device tree binding documentation for the Aspeed Hash and Crypto Engines (HACE) Controller. Signed-off-by: Neal Liu Signed-off-by: Johnny Huang --- .../bindings/crypto/aspeed,hace.yaml | 58 +++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 Documentation/devicetree/bindings/crypto/aspeed,hace.yaml diff --git a/Documentation/devicetree/bindings/crypto/aspeed,hace.yaml b/Documentation/devicetree/bindings/crypto/aspeed,hace.yaml new file mode 100644 index 000000000000..36b4ad0dc7fa --- /dev/null +++ b/Documentation/devicetree/bindings/crypto/aspeed,hace.yaml @@ -0,0 +1,58 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/crypto/aspeed,hace.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ASPEED HACE hash and crypto Hardware Accelerator Device Tree Bindings + +maintainers: + - Neal Liu + +description: | + The Hash and Crypto Engine (HACE) is designed to accelerate the throughput + of hash data digest, encryption, and decryption. Basically, HACE can be + divided into two independently engines - Hash Engine and Crypto Engine. + +properties: + compatible: + enum: + - aspeed,ast2500-hace + - aspeed,ast2600-hace + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + maxItems: 1 + + interrupts: + maxItems: 1 + + resets: + maxItems: 1 + +required: + - compatible + - reg + - clocks + - clock-names + - interrupts + - resets + +additionalProperties: false + +examples: + - | + #include + hace: hace@1e6d0000 { + compatible = "aspeed,ast2600-hace"; + reg = <0x1e6d0000 0x200>; + interrupts = <4>; + clocks = <&syscon ASPEED_CLK_GATE_YCLK>; + clock-names = "yclk"; + resets = <&syscon ASPEED_RESET_HACE>; + };