Re: [PATCH 1/5] dt-bindings: clock: fix wrong clock documentation for qcom,rpmcc

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On Wed, 6 Jul 2022 at 13:35, Christian Marangi <ansuelsmth@xxxxxxxxx> wrote:
>
> On Wed, Jul 06, 2022 at 11:23:46AM +0300, Dmitry Baryshkov wrote:
> > On Tue, 5 Jul 2022 at 23:56, Christian Marangi <ansuelsmth@xxxxxxxxx> wrote:
> > >
> > > qcom,rpmcc describe 2 different kind of device.
> > > Currently we have definition for rpm-smd based device but we lack
> > > Documentation for simple rpm based device.
> > >
> > > Add the missing clk for ipq806x, apq8060, msm8660 and apq8064 and
> > > provide and additional example.
> > >
> > > Signed-off-by: Christian Marangi <ansuelsmth@xxxxxxxxx>
> > > ---
> > >  .../devicetree/bindings/clock/qcom,rpmcc.yaml | 77 ++++++++++++++++++-
> > >  1 file changed, 73 insertions(+), 4 deletions(-)
> > >
> > > diff --git a/Documentation/devicetree/bindings/clock/qcom,rpmcc.yaml b/Documentation/devicetree/bindings/clock/qcom,rpmcc.yaml
> > > index 9d296b89a8d0..028eb0277495 100644
> > > --- a/Documentation/devicetree/bindings/clock/qcom,rpmcc.yaml
> > > +++ b/Documentation/devicetree/bindings/clock/qcom,rpmcc.yaml
> > [,,,,]
> >
> > > +
> > > +then:
> > > +  properties:
> > > +    clocks:
> > > +      description: pxo clock
> > > +
> > > +    clock-names:
> > > +      const: pxo
> > > +
> > > +  required:
> > > +    - clocks
> > > +    - clock-names
> >
> > I don't think you can not mark these properties as required, older
> > schemas do not have them.
> >
>
> Well considering we changed rpmcc to parent_data and rpm clock require
> pxo clock as parents it seems to be they should be required.

parent_data specifies both the normal flow (.fw_name) and the fallback
(.name), so they are not required.
I actually miss 'recommended: true' in YAML for such cases.

> Actually no idea why this wasn't required before. Probably because this
> schema described only rpm-smd and not old rpm?
>
> > > +
> > > +else:
> > > +  if:
> > > +    properties:
> > > +      compatible:
> > > +        contains:
> > > +          const: qcom,rpmcc-apq8064
> > > +  then:
> > > +    properties:
> > > +      clocks:
> > > +        items:
> > > +          - description: pxo clock
> > > +          - description: cxo clock
> > [...]


-- 
With best wishes
Dmitry



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