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    SubjectRe: [EXT] Re: [v1 1/4] dt-bindings: display: Add DT bindings for LS1028A HDP-TX PHY.
    On Sun, Jun 16, 2019 at 7:45 PM Wen He <wen.he_1@nxp.com> wrote:
    >
    >
    >
    > > -----Original Message-----
    > > From: Rob Herring <robh@kernel.org>
    > > Sent: 2019年6月14日 4:08
    > > To: Wen He <wen.he_1@nxp.com>
    > > Cc: linux-kernel@vger.kernel.org; linux-arm-kernel@lists.infradead.org;
    > > devicetree@vger.kernel.org; shawnguo@kernel.org; Leo Li
    > > <leoyang.li@nxp.com>
    > > Subject: [EXT] Re: [v1 1/4] dt-bindings: display: Add DT bindings for LS1028A
    > > HDP-TX PHY.
    > >
    > > Caution: EXT Email
    > >
    > > On Wed, May 08, 2019 at 10:35:25AM +0000, Wen He wrote:
    > > > Add DT bindings documentmation for the HDP-TX PHY controller. The
    > > > describes which could be found on NXP Layerscape ls1028a platform.
    > >
    > > Drop the hard stop (.) from the subject.
    > >
    > > >
    > > > Signed-off-by: Wen He <wen.he_1@nxp.com>
    > > > ---
    > > > .../devicetree/bindings/display/fsl,hdp.txt | 56 +++++++++++++++++++
    > > > 1 file changed, 56 insertions(+)
    > > > create mode 100644
    > > > Documentation/devicetree/bindings/display/fsl,hdp.txt
    > > >
    > > > diff --git a/Documentation/devicetree/bindings/display/fsl,hdp.txt
    > > > b/Documentation/devicetree/bindings/display/fsl,hdp.txt
    > > > new file mode 100644
    > > > index 000000000000..36b5687a1261
    > > > --- /dev/null
    > > > +++ b/Documentation/devicetree/bindings/display/fsl,hdp.txt
    > > > @@ -0,0 +1,56 @@
    > > > +NXP Layerscpae ls1028a HDP-TX PHY Controller
    > > > +============================================
    > > > +
    > > > +The following bindings describe the Cadence HDP TX PHY on ls1028a
    > > > +that offer multi-protocol support of standars such as eDP and
    > > > +Displayport, supports for 25-600MHz pixel clock and up to 4k2k at 60MHz
    > > resolution.
    > > > +The HDP transmitter is a Cadence HDP TX controller IP with a
    > > > +companion PHY IP.
    > >
    > > I'm confused. This binding covers both blocks or is just one of them?
    > >
    >
    > Hi Rob,
    >
    > This binding covers both blocks(HDP TX PHY and HDP TX Controller),
    > Because they are belong to the one IP.

    In that case, you should also have an output port to a DP connector
    node (or DP panel).

    Rob

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