Re: [PATCH v3 01/15] include: dt-bindings: add LAN969x clock bindings

[Alexandre Belloni <alexandre.belloni@bootlin.com>]

On 25/12/2025 09:47:34+0100, Krzysztof Kozlowski wrote:
> On 24/12/2025 15:01, Robert Marko wrote:
> > On Wed, Dec 24, 2025 at 2:05 PM Krzysztof Kozlowski <krzk@kernel.org> wrote:
> >>
> >> On 24/12/2025 11:30, Robert Marko wrote:
> >>> On Wed, Dec 24, 2025 at 11:21 AM Krzysztof Kozlowski <krzk@kernel.org> wrote:
> >>>>
> >>>> On Tue, Dec 23, 2025 at 09:16:12PM +0100, Robert Marko wrote:
> >>>>> Add the required LAN969x clock bindings.
> >>>>
> >>>> I do not see clock bindings actually here. Where is the actual binding?
> >>>> Commit msg does not help me at all to understand why you are doing this
> >>>> without actual required bindings.
> >>>
> >>> I guess it is a bit confusing, there is no schema here, these are the
> >>> clock indexes that
> >>> reside in dt-bindings and are used by the SoC DTSI.
> >>
> >> I understand as not used by drivers? Then no ABI and there is no point
> >> in putting them into bindings.
> > 
> > It is not included by the driver directly, but it requires these exact
> > indexes to be passed
> > so its effectively ABI.
> 
> How it requires the exact index? In what way? I do not see anything in
> the gck driver using/relying on these values. Nothing. Please point me
> to the line which directly uses these values.... or how many times I
> will need to write this is not ABI?
> 

The index here is the exact id that needs to be set in the PMC_PCR
register and so it is dictated by the hardware.


-- 
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com