linux-kernel - Re: [PATCH 2/3] dt-bindings: ili9806e: add Rocktech RK050HR345-CT106A display

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Message-ID: <20260107-remarkable-wildebeest-of-maturity-0aac66@quoll>
Date: Wed, 7 Jan 2026 09:09:52 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Dario Binacchi <dario.binacchi@...rulasolutions.com>
Cc: linux-kernel@...r.kernel.org, linux-amarula@...rulasolutions.com, 
	Conor Dooley <conor+dt@...nel.org>, David Airlie <airlied@...il.com>, 
	Jessica Zhang <jesszhan0024@...il.com>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Maxime Ripard <mripard@...nel.org>, 
	Michael Walle <mwalle@...nel.org>, Neil Armstrong <neil.armstrong@...aro.org>, 
	Rob Herring <robh@...nel.org>, Simona Vetter <simona@...ll.ch>, 
	Thomas Zimmermann <tzimmermann@...e.de>, devicetree@...r.kernel.org, dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH 2/3] dt-bindings: ili9806e: add Rocktech
 RK050HR345-CT106A display

On Tue, Jan 06, 2026 at 04:43:15PM +0100, Dario Binacchi wrote:
> @@ -29,12 +30,29 @@ properties:
>  required:
>    - compatible
>    - reg
> -  - vdd-supply
> -  - vccio-supply
>    - reset-gpios
>    - backlight
>    - port
>  
> +if:
> +  properties:
> +    compatible:
> +      contains:
> +        enum:
> +          - rocktech,rk050hr345-ct106a
> +then:
> +  $ref: /schemas/spi/spi-peripheral-props.yaml#
> +
> +  properties:
> +    spi-max-frequency: true

This two lines are not needed.

> +
> +  required:
> +    - spi-max-frequency

How does it work without any supplies?

> +else:
> +  required:
> +    - vdd-supply
> +    - vccio-supply

Best regards,
Krzysztof