Re: [PATCH RFC 01/10] dt-bindings: gpu: Add PowerVR Series5 SGX GPUs

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> Am 05.12.2023 um 14:29 schrieb Maxime Ripard <mripard@xxxxxxxxxx>:
> Hi,
> On Tue, Dec 05, 2023 at 09:18:58AM +0100, H. Nikolaus Schaller wrote:
>>> Am 05.12.2023 um 07:57 schrieb Maxime Ripard <mripard@xxxxxxxxxx>:
>>> On Mon, Dec 04, 2023 at 12:22:36PM -0600, Andrew Davis wrote:
>>>> The Imagination PowerVR Series5 "SGX" GPU is part of several SoCs from
>>>> multiple vendors. Describe how the SGX GPU is integrated in these SoC,
>>>> including register space and interrupts. Clocks, reset, and power domain
>>>> information is SoC specific.
>>>> Signed-off-by: Andrew Davis <afd@xxxxxx>
>>>> ---
>>>> .../devicetree/bindings/gpu/img,powervr.yaml  | 69 +++++++++++++++++--
>>>> 1 file changed, 63 insertions(+), 6 deletions(-)
>>> I think it would be best to have a separate file for this, img,sgx.yaml
>>> maybe?
>> Why?
> Because it's more convenient?

Is it?

>> The whole family of IMG GPUs is PowerVR and SGX and Rogue are generations 5 and 6++:
> That's not really relevant as far as bindings go.

But maybe for choosing binding file names. Well they are machine readable
but sometimes humans work with them.

> We have multiple
> binding files for devices of the same generation, or single bindings
> covering multiple generations.
> The important part is that every compatible is documented. It doesn't
> really matter how or where.

Yes, and that is why I would find it more convenient to have a single
"img,powervr.yaml" for all variations unless it becomes filled with
unrelated stuff (which isn't as far as I see).

BR, Nikolaus

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