linux-kernel - Re: [PATCH v2 2/2] dt-bindings: soc: add loongson2 guts

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Date:   Tue, 25 Oct 2022 15:40:25 -0400
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Yinbo Zhu <zhuyinbo@...ngson.cn>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Arnd Bergmann <arnd@...db.de>,
        Hector Martin <marcan@...can.st>,
        Lubomir Rintel <lkundrak@...sk>,
        Conor Dooley <conor.dooley@...rochip.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Hitomi Hasegawa <hasegawa-hitomi@...itsu.com>,
        Heiko Stuebner <heiko@...ech.de>,
        Brian Norris <briannorris@...omium.org>,
        Sven Peter <sven@...npeter.dev>, loongarch@...ts.linux.dev,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/2] dt-bindings: soc: add loongson2 guts

On 24/10/2022 23:51, Yinbo Zhu wrote:
> Add the loongson2 soc guts driver binding with DT schema format
> using json-schema.
> 
> Signed-off-by: Yinbo Zhu <zhuyinbo@...ngson.cn>
> ---
>  .../soc/loongson/loongson,ls2k-guts.yaml      | 37 +++++++++++++++++++

Looks like wrong location, although difficult to judge because you did
not describe the hardware at all. If this is chipinfo-like device, then
Documentation/devicetree/bindings/hwinfo/.


>  MAINTAINERS                                   |  1 +
>  2 files changed, 38 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/soc/loongson/loongson,ls2k-guts.yaml
> 
> diff --git a/Documentation/devicetree/bindings/soc/loongson/loongson,ls2k-guts.yaml b/Documentation/devicetree/bindings/soc/loongson/loongson,ls2k-guts.yaml
> new file mode 100644
> index 000000000000..2502f8aeb74d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/soc/loongson/loongson,ls2k-guts.yaml
> @@ -0,0 +1,37 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/soc/loongson/loongson,ls2k-guts.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Loongson2 GUTS driver.

Drop "driver." unless you refer to some hardware (like motor driver?).

> +
> +maintainers:
> +  - Yinbo Zhu <zhuyinbo@...ngson.cn>
> +
> +description: |
> +  GUTS driver was to manage and access global utilities block. Initially

Drop "driver" and describe instead what is GUTS, including its acronym,

> +  only reading SVR and registering soc device are supported.

Entire sentence describe Linux driver - drop it. Instead describe the
device, the hardware.

> +
> +properties:
> +  compatible:
> +    const: loongson,ls2k-guts
> +
> +  reg:
> +    maxItems: 1
> +
> +  little-endian: true
> +
> +required:
> +  - compatible
> +  - reg
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    guts: guts@...00000 {

Node names should be generic.
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation


Best regards,
Krzysztof