linux-kernel - Re: [PATCH v2 10/10] arm64: dts: sc7180: Add clock controller nodes

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Message-ID: <CAD=FV=WtkX0XFSKvzvGBBjoqRwWfJowJrowkp74vfXawgt3aKw@mail.gmail.com>
Date:   Tue, 28 Jan 2020 08:40:02 -0800
From:   Doug Anderson <dianders@...omium.org>
To:     Taniya Das <tdas@...eaurora.org>
Cc:     Rob Herring <robh@...nel.org>, Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Jeffrey Hugo <jhugo@...eaurora.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        Harigovindan P <harigovi@...eaurora.org>,
        Matthias Kaehlcke <mka@...omium.org>, kalyan_t@...eaurora.org,
        Mark Rutland <mark.rutland@....com>,
        linux-clk <linux-clk@...r.kernel.org>,
        "Kristian H. Kristensen" <hoegsberg@...omium.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Rob Herring <robh+dt@...nel.org>
Subject: Re: [PATCH v2 10/10] arm64: dts: sc7180: Add clock controller nodes

Hi,

On Mon, Jan 27, 2020 at 9:58 PM Taniya Das <tdas@...eaurora.org> wrote:
>
> Hi Doug,
>
> Thanks for the patch.
>
> On 1/25/2020 4:12 AM, Douglas Anderson wrote:
> > From: Taniya Das <tdas@...eaurora.org>
> >
> > Add the display, video & graphics clock controller nodes supported on
> > SC7180.
> >
> > NOTE: the dispcc needs input clocks from various PHYs that aren't in
> > the device tree yet.  For now we'll leave these stubbed out with <0>,
> > which is apparently the magic way to do this.  These clocks aren't
> > really "optional" and this stubbing out method is apparently the best
> > way to handle it.
> >
> > Signed-off-by: Taniya Das <tdas@...eaurora.org>
> > Signed-off-by: Douglas Anderson <dianders@...omium.org>
> > ---
> >
> > Changes in v2:
> > - Added includes
> > - Changed various parent names to match bindings / driver
> >
> >   arch/arm64/boot/dts/qcom/sc7180.dtsi | 41 ++++++++++++++++++++++++++++
> >   1 file changed, 41 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> > index 8011c5fe2a31..ee3b4bade66b 100644
> > --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
> > +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> > @@ -5,7 +5,9 @@
> >    * Copyright (c) 2019, The Linux Foundation. All rights reserved.
> >    */
> >
> > +#include <dt-bindings/clock/qcom,dispcc-sc7180.h>
> >   #include <dt-bindings/clock/qcom,gcc-sc7180.h>
> > +#include <dt-bindings/clock/qcom,gpucc-sc7180.h>
>
> My bad, but we are still missing the videocc header. I could send across
> the new patch.

Good point, thanks for noticing!  I won't spin with this right away as
we continue to discuss the driver / bindings patches.  If it turns out
that the rest of the series doesn't need to be spun I will be content
if Bjorn / Andy wants to make that fix when applying the patch, or I'm
happy to send a new patch.

-Doug