Re: [PATCH 3/6] dt-bindings: thermal: tsens: document ipq8064 bindings

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On Fri, Jul 10, 2020 at 2:07 PM <ansuelsmth@xxxxxxxxx> wrote:
>
>
>
> > -----Messaggio originale-----
> > Da: Rob Herring <robh@xxxxxxxxxx>
> > Inviato: venerdì 10 luglio 2020 18:27
> > A: Ansuel Smith <ansuelsmth@xxxxxxxxx>
> > Cc: Amit Kucheria <amit.kucheria@xxxxxxxxxx>; Andy Gross
> > <agross@xxxxxxxxxx>; Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>;
> > Zhang Rui <rui.zhang@xxxxxxxxx>; Daniel Lezcano
> > <daniel.lezcano@xxxxxxxxxx>; linux-pm@xxxxxxxxxxxxxxx; linux-arm-
> > msm@xxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx; linux-
> > kernel@xxxxxxxxxxxxxxx
> > Oggetto: Re: [PATCH 3/6] dt-bindings: thermal: tsens: document ipq8064
> > bindings
> >
> > On Thu, Jul 09, 2020 at 11:51:33PM +0200, Ansuel Smith wrote:
> > > Document the use of regmap phandle for ipq8064 SoCs
> > >
> > > Signed-off-by: Ansuel Smith <ansuelsmth@xxxxxxxxx>
> > > ---
> > >  .../bindings/thermal/qcom-tsens.yaml          | 51 ++++++++++++++++---
> > >  1 file changed, 44 insertions(+), 7 deletions(-)
> > >
> > > diff --git a/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml
> > b/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml
> > > index d7be931b42d2..5ceb5d720e16 100644
> > > --- a/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml
> > > +++ b/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml
> > > @@ -24,6 +24,7 @@ properties:
> > >            - enum:
> > >                - qcom,msm8916-tsens
> > >                - qcom,msm8974-tsens
> > > +              - qcom,ipq8064-tsens
> > >            - const: qcom,tsens-v0_1
> > >
> > >        - description: v1 of TSENS
> > > @@ -47,6 +48,11 @@ properties:
> > >        - description: TM registers
> > >        - description: SROT registers
> > >
> > > +  regmap:
> > > +    description:
> > > +      Phandle to the gcc. On ipq8064 SoCs gcc and tsense share the same
> > regs.
> > > +    $ref: /schemas/types.yaml#/definitions/phandle
> >
> > Can't you make this a child of the gcc and drop this property?
> >
>
> Make the thermal a child of the gcc would be a little confusing. Anyway
> making this
> a child of gcc cause the not probing of the thermal driver as it's ignored
> any child of
> gcc. I pushed v2 with the fixed problem.

Structure the DT as the h/w is structured, not what's convenient for the OS.

Either the GCC driver has to call of_platform_populate on the child
nodes or you can perhaps use 'simple-mfd'.

Rob




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