linux-kernel - Re: [PATCH 2/4] dt-bindings: nintendo-aes: Document the Wii and Wii U AES support

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Date:   Mon, 27 Sep 2021 13:01:01 -0500
From:   Rob Herring <robh@...nel.org>
To:     Emmanuel Gil Peyrot <linkmauve@...kmauve.fr>
Cc:     devicetree@...r.kernel.org, Ash Logan <ash@...quark.com>,
        Jonathan Neuschäfer <j.ne@...teo.net>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-crypto@...r.kernel.org
Subject: Re: [PATCH 2/4] dt-bindings: nintendo-aes: Document the Wii and Wii
 U AES support

On Tue, Sep 21, 2021 at 11:39:28PM +0200, Emmanuel Gil Peyrot wrote:
> Both of these consoles use the exact same AES engine, which only
> supports CBC mode with 128-bit keys.
> 
> Signed-off-by: Emmanuel Gil Peyrot <linkmauve@...kmauve.fr>
> ---
>  .../bindings/crypto/nintendo-aes.yaml         | 34 +++++++++++++++++++
>  1 file changed, 34 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/crypto/nintendo-aes.yaml
> 
> diff --git a/Documentation/devicetree/bindings/crypto/nintendo-aes.yaml b/Documentation/devicetree/bindings/crypto/nintendo-aes.yaml
> new file mode 100644
> index 000000000000..e62a2bfc571c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/crypto/nintendo-aes.yaml
> @@ -0,0 +1,34 @@
> +# SPDX-License-Identifier: GPL-2.0

Dual license new bindings. checkpatch.pl will tell you this.

> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/crypto/nintendo-aes.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Nintendo Wii and Wii U AES engine
> +
> +maintainers:
> +  - Emmanuel Gil Peyrot <linkmauve@...kmauve.fr>
> +
> +description: |+
> +  The AES engine in the Nintendo Wii and Wii U supports the following:
> +  -- Advanced Encryption Standard (AES) in CBC mode, with 128-bit keys
> +
> +properties:
> +  compatible:
> +    items:
> +      - const: nintendo,hollywood-aes
> +      - const: nintendo,latte-aes
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    description: Not supported yet.
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +
> +additionalProperties: false
> -- 
> 2.33.0
> 
>