linux-kernel - Re: [RFC v2 1/6] dt-bindings: Add a binding for Mediatek SCP

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Date:   Wed, 16 Jan 2019 12:00:16 +0800
From:   Peter Shih <pihsun@...omium.org>
To:     Rob Herring <robh@...nel.org>
Cc:     Nicolas Boichat <drinkcat@...omium.org>,
        Erin Lo <erin.lo@...iatek.com>,
        Ohad Ben-Cohen <ohad@...ery.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Mark Rutland <mark.rutland@....com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        "open list:REMOTE PROCESSOR (REMOTEPROC) SUBSYSTEM" 
        <linux-remoteproc@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-arm-kernel@...ts.infradead.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [RFC v2 1/6] dt-bindings: Add a binding for Mediatek SCP

On Wed, Jan 16, 2019 at 4:34 AM Rob Herring <robh@...nel.org> wrote:
>
> On Tue, Jan 08, 2019 at 01:26:01PM +0800, Pi-Hsun Shih wrote:
> > From: Erin Lo <erin.lo@...iatek.com>
> >
> > Add a DT binding documentation of SCP for the
> > MT8183 SoC from Mediatek.
> >
> > Signed-off-by: Erin Lo <erin.lo@...iatek.com>
> > ---
> > Changes from v1:
> >  - no change
>
> No answer to my question on v1?
>

Sorry I missed the last mail.

Yes there would be additional optional properties. For the current patch
series, the "cros-ec-rpmsg" entry would not be listed in the device tree, but
there would be a "mediatek,mt8183-rpmsg" under this node.

Would update this in v3.

> > ---
> >  .../devicetree/bindings/remoteproc/mtk,scp.txt         | 10 ++++++++++
> >  1 file changed, 10 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/remoteproc/mtk,scp.txt
> >
> > diff --git a/Documentation/devicetree/bindings/remoteproc/mtk,scp.txt b/Documentation/devicetree/bindings/remoteproc/mtk,scp.txt
> > new file mode 100644
> > index 00000000000000..b07e5c4ca9af1d
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/remoteproc/mtk,scp.txt
> > @@ -0,0 +1,10 @@
> > +Mediatek SCP Bindings
> > +----------------------------------------
> > +
> > +This binding provides support for ARM Cortex M4 Co-processor found on some
> > +Mediatek SoCs.
> > +
> > +Required properties:
> > +- compatible         Should be "mediatek,mt8183-scp"
> > +- clocks             Clock for co-processor (See: ../clock/clock-bindings.txt)
> > +
> > --
> > 2.20.1.97.g81188d93c3-goog
> >