linux-kernel - Re: [PATCH 01/14] dt-bindings: phy: qcom,qmp-usb3-dp: rename current bindings

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Date:   Fri, 11 Nov 2022 16:15:06 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Johan Hovold <johan+linaro@...nel.org>,
        Vinod Koul <vkoul@...nel.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 01/14] dt-bindings: phy: qcom,qmp-usb3-dp: rename current
 bindings

On 11/11/2022 10:24, Johan Hovold wrote:
> The current QMP USB3-DP PHY bindings are based on the original MSM8996
> binding which provided multiple PHYs per IP block and these in turn were
> described by child nodes.
> 
> The QMP USB3-DP PHY block provides a single multi-protocol PHY and
> even if some resources are only used by either the USB or DP part of the
> device there is no real benefit in describing these resources in child
> nodes.
> 
> The original MSM8996 binding also ended up describing the individual
> register blocks as belonging to either the wrapper node or the PHY child
> nodes.
> 
> This is an unnecessary level of detail which has lead to problems when
> later IP blocks using different register layouts have been forced to fit
> the original mould rather than updating the binding. The bindings are
> arguable also incomplete as they only the describe register blocks used
> by the current Linux drivers (e.g. does not include the PCS_LANE
> registers).
> 
> In preparation for adding new bindings for SC8280XP which further
> bindings can be based on, rename the current schema file after SC7180,
> which was the first supported platform, and add a reference to the
> SC8280XP bindings.
> 
> Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
> ---
>  ...3-dp-phy.yaml => qcom,sc7180-qmp-usb3-dp-phy.yaml} | 11 +++++++++--
>  1 file changed, 9 insertions(+), 2 deletions(-)
>  rename Documentation/devicetree/bindings/phy/{qcom,qmp-usb3-dp-phy.yaml => qcom,sc7180-qmp-usb3-dp-phy.yaml} (92%)
> 
> diff --git a/Documentation/devicetree/bindings/phy/qcom,qmp-usb3-dp-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,sc7180-qmp-usb3-dp-phy.yaml
> similarity index 92%
> rename from Documentation/devicetree/bindings/phy/qcom,qmp-usb3-dp-phy.yaml
> rename to Documentation/devicetree/bindings/phy/qcom,sc7180-qmp-usb3-dp-phy.yaml
> index 97a7ecafbf85..50b1fce530d5 100644
> --- a/Documentation/devicetree/bindings/phy/qcom,qmp-usb3-dp-phy.yaml
> +++ b/Documentation/devicetree/bindings/phy/qcom,sc7180-qmp-usb3-dp-phy.yaml
> @@ -2,10 +2,17 @@
>  
>  %YAML 1.2
>  ---
> -$id: "http://devicetree.org/schemas/phy/qcom,qmp-usb3-dp-phy.yaml#"
> +$id: "http://devicetree.org/schemas/phy/qcom,sc7180-qmp-usb3-dp-phy.yaml#"
>  $schema: "http://devicetree.org/meta-schemas/core.yaml#"

Since you are touching one line here, maybe let's drop the quotes from
both of them?

In any case:

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

Best regards,
Krzysztof