linux-kernel - Re: [PATCH v2 3/3] dt-bindings: crypto: Convert Atmel SHA to yaml

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Date:   Tue, 8 Feb 2022 16:59:20 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To:     Tudor Ambarus <tudor.ambarus@...rochip.com>,
        herbert@...dor.apana.org.au
Cc:     nicolas.ferre@...rochip.com, claudiu.beznea@...rochip.com,
        alexandre.belloni@...tlin.com, linux-crypto@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        kavyasree.kotagiri@...rochip.com, devicetree@...r.kernel.org
Subject: Re: [PATCH v2 3/3] dt-bindings: crypto: Convert Atmel SHA to yaml

On 08/02/2022 11:49, Tudor Ambarus wrote:
> Convert Atmel SHA documentation to yaml format. With the conversion the
> clock and clock-names properties are made mandatory. The driver returns
> -EINVAL if "sha_clk" is not found, reflect that in the bindings and make
> the clock and clock-names properties mandatory. Update the example to
> better describe how one should define the dt node.
> 
> Signed-off-by: Tudor Ambarus <tudor.ambarus@...rochip.com>
> ---
>  .../crypto/atmel,at91sam9g46-sha.yaml         | 59 +++++++++++++++++++
>  .../bindings/crypto/atmel-crypto.txt          | 25 --------
>  2 files changed, 59 insertions(+), 25 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/crypto/atmel,at91sam9g46-sha.yaml
>  delete mode 100644 Documentation/devicetree/bindings/crypto/atmel-crypto.txt
> 
> diff --git a/Documentation/devicetree/bindings/crypto/atmel,at91sam9g46-sha.yaml b/Documentation/devicetree/bindings/crypto/atmel,at91sam9g46-sha.yaml
> new file mode 100644
> index 000000000000..e454f4468dc5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/crypto/atmel,at91sam9g46-sha.yaml
> @@ -0,0 +1,59 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/crypto/atmel,at91sam9g46-sha.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Atmel Secure Hash Algorithm (SHA) HW cryptographic accelerator
> +
> +maintainers:
> +  - Tudor Ambarus <tudor.ambarus@...rochip.com>
> +
> +properties:
> +  compatible:
> +    const: atmel,at91sam9g46-sha
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +  clock-names:
> +    const: sha_clk
> +
> +  dmas:
> +    maxItems: 1
> +    description: TX DMA Channel
> +

One-item-description should work as well, so if you are going to resend:

+  dmas:
+    items:
+      - description: TX DMA Channel

but the code looks equivalent, so:

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>


Best regards,
Krzysztof