Re: [PATCH v5 2/5] dt-bindings: arm: msm: Convert kpss-acc driver Documentation to yaml

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On Fri, 16 Sept 2022 at 22:43, Christian Marangi <ansuelsmth@xxxxxxxxx> wrote:
>
> On Fri, Sep 16, 2022 at 02:17:15PM -0500, Rob Herring wrote:
> > On Wed, Sep 14, 2022 at 04:22:53PM +0200, Christian Marangi wrote:
> > > Convert kpss-acc driver Documentation to yaml.
> > > The original Documentation was wrong all along. Fix it while we are
> > > converting it.
> > > The example was wrong as kpss-acc-v2 should only expose the regs but we
> > > don't have any driver that expose additional clocks. The kpss-acc driver
> > > is only specific to v1. For this exact reason, limit all the additional
> > > bindings (clocks, clock-names, clock-output-names and #clock-cells) to
> > > v1 and also flag that these bindings should NOT be used for v2.
> >
> > Odd that a clock controller has no clocks, but okay.
> >
>
> As said in the commit v2 is only used for regs. v2 it's only used in
> arch/arm/mach-qcom/platsmp.c to setup stuff cpu hotplug and bringup.
>
> Should we split the 2 driver? To me the acc naming seems to be just
> recycled for v2 and it's not really a clk controller.
>
> So keeping v2 in arm/msm/qcom,kpss-acc-v2.yaml and v1 moved to clock?

I suspect that qcom,kpss-acc-v2 is misnamed as the "clock-controller".
According to msm-3.10, these regions are used by the Krait core
regulators.

-- 
With best wishes
Dmitry



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