Re: [PATCH v3 2/4] dt-bindings: thermal: tsens: Add ipq9574 compatible

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On Mon, May 15, 2023 at 06:10:29PM +0200, Krzysztof Kozlowski wrote:
> On 15/05/2023 12:13, Varadarajan Narayanan wrote:
> > From: Praveenkumar I <quic_ipkumar@xxxxxxxxxxx>
> >
> > Qualcomm IPQ9574 has tsens v2.3.1 block, which is similar to IPQ8074 tsens.
> >
> > Signed-off-by: Praveenkumar I <quic_ipkumar@xxxxxxxxxxx>
> > Signed-off-by: Varadarajan Narayanan <quic_varada@xxxxxxxxxxx>
> > ---
> > [v3]:
> > 	Fix dt_binding_check & dtbs_check errors (Used
> > 	Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml
> > 	as reference/example)
> >
> > 	Drop 'Acked-by: Rob Herring' as suggested in review
> >
> > [v2]:
> > 	Thanks to Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
> > 	for the tip to make qcom,ipq8074-tsens as fallback.
> > ---
> >  Documentation/devicetree/bindings/thermal/qcom-tsens.yaml | 13 +++++++++++--
> >  1 file changed, 11 insertions(+), 2 deletions(-)
> >
> > diff --git a/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml b/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml
> > index d9aa54c..57e3908 100644
> > --- a/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml
> > +++ b/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml
> > @@ -19,6 +19,11 @@ description: |
> >  properties:
> >    compatible:
> >      oneOf:
> > +      - const: qcom,tsens-v0_1
> > +      - const: qcom,tsens-v1
> > +      - const: qcom,tsens-v2
>
> Nope, these are not correct.
>
> > +      - const: qcom,ipq8074-tsens
>
> Also nope, this is already there.
>
> > +
> >        - description: msm8960 TSENS based
> >          items:
> >            - enum:
> > @@ -66,8 +71,10 @@ properties:
> >            - const: qcom,tsens-v2
> >
> >        - description: v2 of TSENS with combined interrupt
> > -        enum:
> > -          - qcom,ipq8074-tsens
>
> Why?
>
> > +        items:
> > +          - enum:
> > +              - qcom,ipq9574-tsens
> > +          - const: qcom,ipq8074-tsens

Without changing it like this either dtbs_check or
dt_binding_check kept failing.

	- description: v2 of TSENS with combined interrupt
	  enum:
	    - qcom,ipq8074-tsens
	    - qcom,ipq9574-tsens

dtbs_check gave this kind of error
	['qcom,ipq9574-tsens', 'qcom,ipq8074-tsens'] is too long

After changing it like in https://elixir.bootlin.com/linux/v6.3-rc6/source/Documentation/devicetree/bindings/sound/nvidia,tegra210-ope.yaml#L31

	- description: v2 of TSENS with combined interrupt
	  const: qcom,ipq8074-tsens
	  - enum:
	      - qcom,ipq9574-tsens
	  - const: qcom,ipq8074-tsens

dt_binding_check gives the following error

	Documentation/devicetree/bindings/thermal/qcom-tsens.yaml:70:9: did not find expected key

and dtbs_check gives

	./Documentation/devicetree/bindings/thermal/qcom-tsens.yaml:70:9: [error] syntax error: expected <block end>, but found '-' (syntax)
	  CHKDT   Documentation/devicetree/bindings/processed-schema.json
	./Documentation/devicetree/bindings/clock/qcom,gcc-ipq8064.yaml: Unable to find schema file matching $id: http://devicetree.org/schemas/thermal/qcom-tsens.yaml
	./Documentation/devicetree/bindings/clock/qcom,gcc-apq8064.yaml: Unable to find schema file matching $id: http://devicetree.org/schemas/thermal/qcom-tsens.yaml
	./Documentation/devicetree/bindings/thermal/qcom-tsens.yaml:70:9: did not find expected key
	  SCHEMA  Documentation/devicetree/bindings/processed-schema.json
	/local/mnt/workspace/varada/v3/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml: ignoring, error parsing file

If i change it like below,

	- description: v2 of TSENS with combined interrupt
	  enum:
	    - qcom,ipq9574-tsens
	  - const: qcom,ipq8074-tsens

dt_binding_check and dtbs_check gives same error as above.

Looked around and found Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml
which seemed to do something similar to what is wanted in this
case. Hence changed qcom-tsens.yaml similar to the allwinner yaml
file. After which dt_binding_check and dtbs_check passed. Please
let me know if there is a better way to solve this. Will go with
that.

Thanks
Varada

> >
> >    reg:
> >      items:
> > @@ -279,6 +286,7 @@ allOf:
> >            contains:
> >              enum:
> >                - qcom,ipq8074-tsens
> > +              - qcom,ipq9574-tsens
>
> Not needed, drop.
>
> >      then:
> >        properties:
> >          interrupts:
> > @@ -294,6 +302,7 @@ allOf:
> >            contains:
> >              enum:
> >                - qcom,ipq8074-tsens
> > +              - qcom,ipq9574-tsens
>
> Ditto.
>
>
> Best regards,
> Krzysztof
>



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