linux-kernel - Re: [PATCH v2 1/5] dt-bindings: display: simple-framebuffer: Add interconnects property

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Message-ID: <20250627-mysterious-optimistic-bird-acaafb@krzk-bin>
Date: Fri, 27 Jun 2025 10:08:25 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Luca Weiss <luca.weiss@...rphone.com>
Cc: Hans de Goede <hdegoede@...hat.com>, 
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Maxime Ripard <mripard@...nel.org>, 
	Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>, 
	Simona Vetter <simona@...ll.ch>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Javier Martinez Canillas <javierm@...hat.com>, Helge Deller <deller@....de>, linux-fbdev@...r.kernel.org, 
	dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/5] dt-bindings: display: simple-framebuffer: Add
 interconnects property

On Mon, Jun 23, 2025 at 08:44:45AM +0200, Luca Weiss wrote:
> Document the interconnects property which is a list of interconnect
> paths that is used by the framebuffer and therefore needs to be kept
> alive when the framebuffer is being used.
> 
> Acked-by: Thomas Zimmermann <tzimmermann@...e.de>
> Signed-off-by: Luca Weiss <luca.weiss@...rphone.com>
> ---
>  Documentation/devicetree/bindings/display/simple-framebuffer.yaml | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/display/simple-framebuffer.yaml b/Documentation/devicetree/bindings/display/simple-framebuffer.yaml
> index 296500f9da05e296dbbeec50ba5186b6b30aaffc..f0fa0ef23d91043dfb2b220c654b80e2e80850cd 100644
> --- a/Documentation/devicetree/bindings/display/simple-framebuffer.yaml
> +++ b/Documentation/devicetree/bindings/display/simple-framebuffer.yaml
> @@ -79,6 +79,9 @@ properties:
>    power-domains:
>      description: List of power domains used by the framebuffer.
>  
> +  interconnects:
> +    description: List of interconnect paths used by the framebuffer.
> +

maxItems: 1, or this is not a simple FB anymore. Anything which needs
some sort of resources in unknown way is not simple anymore. You need
device specific bindings.

Best regards,
Krzysztof