[PATCH v2 10/12] dt-bindings: media: fsd: Document CSIS DMA controller

Inbaraj E inbaraj.e at samsung.com
Mon Aug 25 05:01:56 PDT 2025


Hi Krzysztof,

> > According to the HW design of FSD SoC, the control to manage CSIS
> > power is given to a separate CPU where custom firmware runs.
> > Therefore. The Linux side does not control the CSIS power supplies directly
> and are hence not included in the device tree.
> 
> Usually this still means you vote for enabling these resources, at least for
> other vendors it is like that. Unless you want to say these are essentially
> always on and CANNOT be disabled ever.

Yes, we want IP to remain enabled permanently, So we are not adding power supply
control in linux.

Regards,
Inbaraj E




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