linux-kernel - Re: [PATCH 10/13] dt-bindings: phy: qcom,qmp-usb: rename current bindings

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Message-ID: <40833a8e-5b0c-4a63-2c8a-131374236901@linaro.org>
Date:   Thu, 27 Oct 2022 22:12:29 -0400
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@...ainline.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 10/13] dt-bindings: phy: qcom,qmp-usb: rename current
 bindings

On 24/10/2022 06:06, Johan Hovold wrote:
> The current QMP USB 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.
> 
> Later QMP USB PHY blocks only provide a single PHY and the remnant child
> node does not really reflect the hardware.
> 
> 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 per lane PCS
> registers).
> 
> In preparation for adding new bindings for SC8280XP which further
> bindings can be based on, rename the current bindings after MSM8996 and
> add a reference to the SC8280XP bindings.
> 
> Signed-off-by: Johan Hovold <johan+linaro@...nel.org>


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

Best regards,
Krzysztof