linux-kernel - Re: [PATCH 1/2] dt-bindings: nvmem: Add sophgo,efuses

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Message-ID: <d28f4e15-3e47-4d6a-91ee-660b786974b2@linaro.org>
Date:   Mon, 20 Nov 2023 11:42:05 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Jisheng Zhang <jszhang@...nel.org>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-riscv@...ts.infradead.org, Chao Wei <chao.wei@...hgo.com>,
        Chen Wang <unicorn_wang@...look.com>
Subject: Re: [PATCH 1/2] dt-bindings: nvmem: Add sophgo,efuses

On 19/11/2023 14:13, Jisheng Zhang wrote:
> Sophgo SoCs such as CV1800B come with eFuses used to store
> factory-programmed data such as calibration settings for the built-in
> ethernet PHY.
> 
> Signed-off-by: Jisheng Zhang <jszhang@...nel.org>

Thank you for your patch. There is something to discuss/improve.


> ---
>  .../bindings/nvmem/sophgo,efuse.yaml          | 54 +++++++++++++++++++
>  1 file changed, 54 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/nvmem/sophgo,efuse.yaml
> 
> diff --git a/Documentation/devicetree/bindings/nvmem/sophgo,efuse.yaml b/Documentation/devicetree/bindings/nvmem/sophgo,efuse.yaml
> new file mode 100644
> index 000000000000..e4ae81a1742a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/nvmem/sophgo,efuse.yaml

Filename should match the compatible, unless you already have other
devices coming.

> @@ -0,0 +1,54 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/nvmem/sophgo,efuse.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Sophgo SoC eFuse-based NVMEM
> +
> +description: |

Do not need '|' unless you need to preserve formatting.

> +  Sophgo SoCs such as the CV1800B contain factory-programmed eFuses used to e.g. store

Please wrap at Linux coding style (so 80).

> +  calibration data for the built-in ethernet PHY.


Blank line here.

> +maintainers:
> +  - Jisheng Zhang <jszhang@...nel.org>
> +
> +allOf:
> +  - $ref: nvmem.yaml#
> +  - $ref: nvmem-deprecated-cells.yaml#
> +
> +properties:
> +  compatible:
> +    items:

Drop items, we keep just enum directly for such cases.

> +      - enum:
> +          - sophgo,cv1800b-efuse
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    description:
> +      eFuse clock id.

Drop description, quite obvious.

> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +
> +unevaluatedProperties: false
> +...

Best regards,
Krzysztof