linux-kernel - Re: [PATCH 1/3] dt-bindings: arm: mediatek: topckgen: Convert to DT schema

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Date:   Wed, 20 Apr 2022 08:47:21 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Yassine Oudjana <yassine.oudjana@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>
Cc:     Sam Shih <sam.shih@...iatek.com>, Stephen Boyd <sboyd@...nel.org>,
        Ryder Lee <ryder.lee@...nel.org>,
        Yassine Oudjana <y.oudjana@...tonmail.com>,
        devicetree@...r.kernel.org, linux-mediatek@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] dt-bindings: arm: mediatek: topckgen: Convert to DT
 schema

On 19/04/2022 20:09, Yassine Oudjana wrote:
> From: Yassine Oudjana <y.oudjana@...tonmail.com>
> 
> Convert topckgen bindings to DT schema format. MT2701, MT7623 and
> MT7629 device trees currently have the syscon compatible without
> it being mentioned in the old DT bindings file which introduces
> dtbs_check errors when converting to DT schema as-is, so
> mediatek,mt2701-topckgen and mediatek,mt7629-topckgen are placed
> in the last items list with the syscon compatible, and syscon is
> added to the mediatek,mt7623-topckgen list.
>

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

> diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,topckgen.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,topckgen.yaml
> new file mode 100644
> index 000000000000..9ce9cf673cbc
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,topckgen.yaml
> @@ -0,0 +1,60 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/arm/mediatek/mediatek,topckgen.yaml#"
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#"
> +
> +title: MediaTek Top Clock Generator Controller
> +
> +maintainers:
> +  - Matthias Brugger <matthias.bgg@...il.com>
> +
> +description:
> +  The Mediatek topckgen controller provides various clocks to the system.
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - items:

These are not a list, so skip items. Just enum. Rest looks good.

> +          - enum:
> +              - mediatek,mt6797-topckgen
> +              - mediatek,mt7622-topckgen
> +              - mediatek,mt8135-topckgen
> +              - mediatek,mt8173-topckgen
> +              - mediatek,mt8516-topckgen



Best regards,
Krzysztof