Re: [PATCH] dt-bindings: firmware: Add documentation for qcom,platform-parts-info

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On 01/09/2023 08:02, Naman Jain wrote:
> Add documentation to describe device tree bindings for QCOM's
> platform-parts-info node. Firmware populates these nodes to pass the
> information to kernel regarding the subset of hardware blocks
> and features like Camera, Modem, Display present in a product.
> 
> This is to support that the same software image runs seamlessly on
> different platforms where one or more HW blocks are not supported or
> if some sub parts for a particular block are not supported.
> 
> Purpose of these definitions is to allow clients to know about this,
> and thus, handle these cases gracefully.

Whether camera is or is not supported, is defined by presence of camera
node or by its status field.

Existing firmware (e.g. U-Boot) is also doing this - patching DTS when
needed.

I do not think introducing some parallel way makes any sense, so no,
that's not the way to do it.

Best regards,
Krzysztof




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