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| author |   Neal Liu <neal_liu@aspeedtech.com> | 2022-08-18 11:59:55 +0800 |
|---|---|---|
| committer |   Herbert Xu <herbert@gondor.apana.org.au> | 2022-08-26 18:50:38 +0800 |
| commit | c3708e6562694872e34c2aa41b6c949e98ee5945 (patch) | |
| tree | 2b7ef59cc02cc69d098a854542abca09da1cb579 | |
| parent | ARM: dts: aspeed: Add HACE device controller node (diff) | |
| download | linux-dev-c3708e6562694872e34c2aa41b6c949e98ee5945.tar.xz linux-dev-c3708e6562694872e34c2aa41b6c949e98ee5945.zip | |
dt-bindings: crypto: add documentation for aspeed hace
Add device tree binding documentation for the Aspeed Hash
and Crypto Engines (HACE) Controller.
Signed-off-by: Neal Liu <neal_liu@aspeedtech.com>
Signed-off-by: Johnny Huang <johnny_huang@aspeedtech.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | Documentation/devicetree/bindings/crypto/aspeed,ast2500-hace.yaml | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/crypto/aspeed,ast2500-hace.yaml b/Documentation/devicetree/bindings/crypto/aspeed,ast2500-hace.yaml new file mode 100644 index 000000000000..a772d232de09 --- /dev/null +++ b/Documentation/devicetree/bindings/crypto/aspeed,ast2500-hace.yaml @@ -0,0 +1,53 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/crypto/aspeed,ast2500-hace.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ASPEED HACE hash and crypto Hardware Accelerator Engines + +maintainers: + - Neal Liu <neal_liu@aspeedtech.com> + +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 + + interrupts: + maxItems: 1 + + resets: + maxItems: 1 + +required: + - compatible + - reg + - clocks + - interrupts + - resets + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/ast2600-clock.h> + hace: crypto@1e6d0000 { + compatible = "aspeed,ast2600-hace"; + reg = <0x1e6d0000 0x200>; + interrupts = <4>; + clocks = <&syscon ASPEED_CLK_GATE_YCLK>; + resets = <&syscon ASPEED_RESET_HACE>; + }; |