linux-kernel - Re: [PATCH v4 10/16] dt-bindings: phy: qcom,qmp-pcie: rename current bindings

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Message-ID: <Y1zot8aJ1WXnbrwF@hovoldconsulting.com>
Date:   Sat, 29 Oct 2022 10:47:51 +0200
From:   Johan Hovold <johan@...nel.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Johan Hovold <johan+linaro@...nel.org>,
        Vinod Koul <vkoul@...nel.org>, 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,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 10/16] dt-bindings: phy: qcom,qmp-pcie: rename current
 bindings

On Fri, Oct 28, 2022 at 05:57:01PM -0400, Krzysztof Kozlowski wrote:
> On 28/10/2022 09:35, Johan Hovold wrote:
> > The current QMP PCIe 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 PCIe 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 schema file after IPQ8074,
> > which was the first SoC added to the bindings after MSM8996 (which has
> > already been split out), and add a reference to the SC8280XP bindings.
> > 
> > Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> > Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
> > ---
> 
> Also missing cc devicetree list.

Yes, I know, but as I mentioned in my reply to Rob on the QMP USB
series, I do not intend to repost this series unless someone insists as
there were no binding-related changes in v4 (or v3).

Johan