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

["Luca Weiss" <luca.weiss@fairphone.com>]

Hi Krzysztof,

On Fri Jun 27, 2025 at 10:08 AM CEST, Krzysztof Kozlowski wrote:
> 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@suse.de>
>> Signed-off-by: Luca Weiss <luca.weiss@fairphone.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.

The bindings support an arbitrary number of clocks, regulators,
power-domains. Why should I artificially limit the interconnects to only
one?

The driver code also has that support added in this series.

Regards
Luca

>
> Best regards,
> Krzysztof