Add device tree binding documentation for the Aspeed Hash and Crypto Engines (HACE) Controller. Signed-off-by: Neal Liu <neal_liu@xxxxxxxxxxxxxx> Signed-off-by: Johnny Huang <johnny_huang@xxxxxxxxxxxxxx> --- .../bindings/crypto/aspeed,ast2500-hace.yaml | 53 +++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 Documentation/devicetree/bindings/crypto/aspeed,ast2500-hace.yaml 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@xxxxxxxxxxxxxx> + +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>; + }; -- 2.25.1
