linux-kernel - Re: [PATCH v1 0/4] phy: qcom-qmp: Fix clock-cells binding and provider

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Message-ID: <CAFp+6iHmPDWyU1GVe0ZvYLh4vzEkgy1UqDp3rEM3D4gHNitGkg@mail.gmail.com>
Date:   Tue, 4 Dec 2018 18:07:21 +0530
From:   Vivek Gautam <vivek.gautam@...eaurora.org>
To:     kishon <kishon@...com>
Cc:     evgreen@...omium.org, "robh+dt" <robh+dt@...nel.org>,
        Andy Gross <andy.gross@...aro.org>,
        David Brown <david.brown@...aro.org>,
        Doug Anderson <dianders@...omium.org>, swboyd@...omium.org,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>, Rob Herring <robh@...nel.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        Can Guo <cang@...eaurora.org>,
        open list <linux-kernel@...r.kernel.org>,
        Manu Gautam <mgautam@...eaurora.org>,
        Mark Rutland <mark.rutland@....com>,
        "open list:ARM/QUALCOMM SUPPORT" <linux-soc@...r.kernel.org>
Subject: Re: [PATCH v1 0/4] phy: qcom-qmp: Fix clock-cells binding and provider

Hi Kishon,

On Tue, Dec 4, 2018 at 1:44 PM Kishon Vijay Abraham I <kishon@...com> wrote:
>
> Hi Andy Gross, David Brown, Vivek,
>
> On 30/11/18 3:43 AM, Evan Green wrote:
> > This series fixes the QMP PHY bindings, which had specified #clock-cells
> > in the parent node, and had set it to 1. Putting it in the parent node is
> > wrong because the clock providers are the child nodes, so this change
> > moves it there. Having it set to 1 is also wrong, since nothing is ever
> > specified as to what should go in that cell. So this changes it to zero.
> > Finally, this change completes a little bit of code to actually allow these
> > exposed clocks to be pointed at in DT.
> >
> > I had no idea how to fix up ipq8074.dtsi. It seems to be completely wrong in
> > that it doesn't specify #clock-cells at all, has no child nodes, and
> > specifies clock-output-names in the parent node. As far as I can tell this
> > doesn't work at all. But I can't add the child nodes myself because I don't know
> > 1) how many there are, and 2) the registers in them. I also have no way to test it.
> >
> > Speaking of testing, I was able to test this on sdm845, but haven't tested msm8996.
>
> Can someone help test this series in msm8996?

Sure, will give it a try tomorrow.

Thanks
Vivek

>
> Thanks
> Kishon
>
> >
> > This patch sits atop the UFS device nodes series [1].
> >
> > [1] https://lore.kernel.org/lkml/20181026173544.136037-1-evgreen@chromium.org/
> >
> >
> >
> > Evan Green (4):
> >   dt-bindings: phy-qcom-qmp: Move #clock-cells to child
> >   arm64: dts: qcom: msm8996: Fix QMP PHY #clock-cells
> >   arm64: dts: qcom: sdm845: Fix QMP PHY #clock-cells
> >   phy: qcom-qmp: Expose provided clocks to DT
> >
> >  .../devicetree/bindings/phy/qcom-qmp-phy.txt  | 11 ++++-----
> >  arch/arm64/boot/dts/qcom/msm8996.dtsi         |  6 +++--
> >  arch/arm64/boot/dts/qcom/sdm845.dtsi          |  4 ++--
> >  drivers/phy/qualcomm/phy-qcom-qmp.c           | 23 ++++++++++++++++++-
> >  4 files changed, 33 insertions(+), 11 deletions(-)
> >



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