linux-kernel - Re: [PATCH v4 02/15] dt-bindings: clock: Fix qcom,dispcc bindings for sdm845/sc7180

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Date:   Tue, 04 Feb 2020 09:47:28 -0800
From:   Stephen Boyd <sboyd@...nel.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Douglas Anderson <dianders@...omium.org>,
        Rob Herring <robh@...nel.org>
Cc:     Jeffrey Hugo <jhugo@...eaurora.org>,
        Taniya Das <tdas@...eaurora.org>, jeffrey.l.hugo@...il.com,
        linux-arm-msm@...r.kernel.org, harigovi@...eaurora.org,
        devicetree@...r.kernel.org, mka@...omium.org,
        kalyan_t@...eaurora.org, Mark Rutland <mark.rutland@....com>,
        linux-clk@...r.kernel.org, hoegsberg@...omium.org,
        Douglas Anderson <dianders@...omium.org>,
        Michael Turquette <mturquette@...libre.com>,
        linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>
Subject: Re: [PATCH v4 02/15] dt-bindings: clock: Fix qcom,dispcc bindings for sdm845/sc7180

Quoting Douglas Anderson (2020-02-03 10:31:35)
> The qcom,dispcc bindings had a few problems with them:
> 
> 1. They didn't specify all the clocks that dispcc is a client of.
>    Specifically on sc7180 there are two clocks from the DSI PHY and
>    two from the DP PHY.  On sdm845 there are actually two DSI PHYs
>    (each of which has two clocks) and an extra clock from the gcc.
>    These all need to be specified.
> 
> 2. The sdm845.dtsi has existed for quite some time without specifying
>    the clocks.  The Linux driver was relying on global names to match
>    things up.  While we should transition things, it should be noted
>    in the bindings.
> 
> 3. The names used the bindings for "xo" and "gpll0" didn't match the
>    names that QC used for these clocks internally and this was causing
>    confusion / difficulty with their code generation tools.  Switched
>    to the internal names to simplify everyone's lives.  It's not quite
>    as clean in a purist sense but it should avoid headaches.  This
>    officially changes the binding, but that seems OK in this case.
> 
> Also note that I updated the example.
> 
> Fixes: 5d28e44ba630 ("dt-bindings: clock: Add YAML schemas for the QCOM DISPCC clock bindings")
> Signed-off-by: Douglas Anderson <dianders@...omium.org>
> ---

Applied to clk-next