Re: [PATCH 1/3] dt-bindings: nvmem: Add qcom,sc7180-qfprom compatible string

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Hi,

On Tue, Sep 29, 2020 at 1:58 PM Evan Green <evgreen@xxxxxxxxxxxx> wrote:
>
> Add an SoC-specific compatible string so that data can be attached
> to it in the driver.
>
> Signed-off-by: Evan Green <evgreen@xxxxxxxxxxxx>
> ---
>
>  Documentation/devicetree/bindings/nvmem/qcom,qfprom.yaml | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/nvmem/qcom,qfprom.yaml b/Documentation/devicetree/bindings/nvmem/qcom,qfprom.yaml
> index 59aca6d22ff9b..b16c8e6a8c23d 100644
> --- a/Documentation/devicetree/bindings/nvmem/qcom,qfprom.yaml
> +++ b/Documentation/devicetree/bindings/nvmem/qcom,qfprom.yaml
> @@ -14,7 +14,9 @@ allOf:
>
>  properties:
>    compatible:
> -    const: qcom,qfprom
> +    enum:
> +      - qcom,qfprom
> +      - qcom,sc7180-qfprom

You don't want either/or.  You want both.  At the time Srinivas didn't
see the point of having the SoC-specific compatible string here, but
now that we have a reason for it maybe he'll be convinced?  IMO you
essentially want:

    items:
      - enum:
          - qcom,apq8064-qfprom
          - qcom,apq8084-qfprom
          - qcom,msm8974-qfprom
          - qcom,msm8916-qfprom
          - qcom,msm8996-qfprom
          - qcom,msm8998-qfprom
          - qcom,qcs404-qfprom
          - qcom,sc7180-qfprom
          - qcom,sdm845-qfprom
      - const: qcom,qfprom

For some context:
<https://lore.kernel.org/r/CAD=FV=WjvAWVmq3fTh=_f2p1Dv+sXg1RV-CqZr8KRgHe8_wT0w@xxxxxxxxxxxxxx/>

-Doug


>
>    reg:
>      # If the QFPROM is read-only OS image then only the corrected region
> --
> 2.26.2
>



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