Re: [PATCH 1/3] dt-bindings: crypto: Add Keem Bay OCS HCU bindings

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On Fri, Oct 16, 2020 at 06:27:57PM +0100, Daniele Alessandrelli wrote:
> From: Declan Murphy <declan.murphy@xxxxxxxxx>
> 
> Add device-tree bindings for the Intel Keem Bay Offload Crypto Subsystem
> (OCS) Hashing Control Unit (HCU) crypto driver.
> 
> Signed-off-by: Declan Murphy <declan.murphy@xxxxxxxxx>
> Signed-off-by: Daniele Alessandrelli <daniele.alessandrelli@xxxxxxxxx>
> Acked-by: Mark Gross <mgross@xxxxxxxxxxxxxxx>
> ---
>  .../crypto/intel,keembay-ocs-hcu.yaml         | 52 +++++++++++++++++++
>  1 file changed, 52 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/crypto/intel,keembay-ocs-hcu.yaml
> 
> diff --git a/Documentation/devicetree/bindings/crypto/intel,keembay-ocs-hcu.yaml b/Documentation/devicetree/bindings/crypto/intel,keembay-ocs-hcu.yaml
> new file mode 100644
> index 000000000000..dd4b82ee872b
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/crypto/intel,keembay-ocs-hcu.yaml
> @@ -0,0 +1,52 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/crypto/intel,keembay-ocs-hcu.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Intel Keem Bay OCS HCU Device Tree Bindings
> +
> +maintainers:
> +  - Declan Murphy <declan.murphy@xxxxxxxxx>
> +  - Daniele Alessandrelli <deniele.alessandrelli@xxxxxxxxx>

typo:                          ^?

> +
> +description: |

Can drop '|' if there's no formatting to preserve.

> +  The Intel Keem Bay Offload and Crypto Subsystem (OCS) Hash Control Unit (HCU)
> +  crypto driver enables use of the hardware accelerated hashing module embedded
> +  in the Intel Movidius SoC code name Keem Bay, via the kernel crypto API.

Don't put Linux details in bindings. Describe the h/w, not a driver.

> +
> +properties:
> +  compatible:
> +    const: intel,keembay-ocs-hcu
> +
> +  reg:
> +    items:
> +      - description: The OCS HCU base register address
> +
> +  interrupts:
> +    items:
> +      - description: OCS HCU interrupt
> +
> +  clocks:
> +    items:
> +      - description: OCS clock
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - clocks
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    hcu@3000b000 {

crypto@...

> +      compatible = "intel,keembay-ocs-hcu";
> +      reg = <0x3000b000 0x1000>;
> +      interrupts = <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>;
> +      clocks = <&scmi_clk 94>;
> +    };
> +
> +...
> -- 
> 2.26.2
> 



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