linux-kernel - Re: [PATCH 1/6] dt-bindings: input: touchscreen: himax,hx83112b: add HX83100A

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Date: Sat, 4 May 2024 14:34:08 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Felix Kaechele <felix@...chele.ca>, Job Noorman <job@...rman.info>,
 Dmitry Torokhov <dmitry.torokhov@...il.com>, Rob Herring
 <robh+dt@...nel.org>, Krzysztof Kozlowski
 <krzysztof.kozlowski+dt@...aro.org>, Conor Dooley <conor+dt@...nel.org>,
 linux-input@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/6] dt-bindings: input: touchscreen: himax,hx83112b: add
 HX83100A

On 04/05/2024 04:04, Felix Kaechele wrote:
> This adds a compatible string for the Himax HX83100A touch controller

Please do not use "This commit/patch/change", but imperative mood. See
longer explanation here:
https://elixir.bootlin.com/linux/v5.17.1/source/Documentation/process/submitting-patches.rst#L95

> including the AVDD and VDD supply nodes used by this chip family.
> 
> Signed-off-by: Felix Kaechele <felix@...chele.ca>
> ---
>  .../bindings/input/touchscreen/himax,hx83112b.yaml       | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/input/touchscreen/himax,hx83112b.yaml b/Documentation/devicetree/bindings/input/touchscreen/himax,hx83112b.yaml
> index f42b23d532eb..5809afedb9a2 100644
> --- a/Documentation/devicetree/bindings/input/touchscreen/himax,hx83112b.yaml
> +++ b/Documentation/devicetree/bindings/input/touchscreen/himax,hx83112b.yaml
> @@ -15,6 +15,7 @@ allOf:
>  properties:
>    compatible:
>      enum:
> +      - himax,hx83100a
>        - himax,hx83112b
>  
>    reg:
> @@ -26,6 +27,12 @@ properties:
>    reset-gpios:
>      maxItems: 1
>  
> +  avdd-supply:
> +    description: Analog power supply regulator
> +
> +  vdd-supply:
> +    description: Digital power supply regulator

These should not be allowed for other variant, so either you need
allOf:if:then disallowing them (: false) or just create another binding
file.

Best regards,
Krzysztof