linux-kernel - Re: [PATCH v2 14/15] arm64: dts: allwinner: a64: Add DSI pipeline

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Message-ID: <20181029090118.mqha2wgghtqhnyyd@flea>
Date:   Mon, 29 Oct 2018 10:01:18 +0100
From:   Maxime Ripard <maxime.ripard@...tlin.com>
To:     Jagan Teki <jagan@...rulasolutions.com>
Cc:     Chen-Yu Tsai <wens@...e.org>, Icenowy Zheng <icenowy@...c.io>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        Vasily Khoruzhick <anarsoul@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        David Airlie <airlied@...ux.ie>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        linux-clk <linux-clk@...r.kernel.org>,
        Michael Trimarchi <michael@...rulasolutions.com>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        devicetree <devicetree@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-sunxi@...glegroups.com
Subject: Re: [PATCH v2 14/15] arm64: dts: allwinner: a64: Add DSI pipeline

On Thu, Oct 25, 2018 at 06:51:14PM +0530, Jagan Teki wrote:
> On Wed, Oct 24, 2018 at 11:40 PM Maxime Ripard
> <maxime.ripard@...tlin.com> wrote:
> >
> > On Tue, Oct 23, 2018 at 09:20:34PM +0530, Jagan Teki wrote:
> > > The A64 has a MIPI-DSI block which is similar to A31
> > > without mod clock.
> > >
> > > So, add dsi node with A64 compatible, dphy node with
> > > A31 compatible and finally connect dsi to tcon0 to
> > > make proper DSI pipeline.
> > >
> > > Signed-off-by: Jagan Teki <jagan@...rulasolutions.com>
> > > ---
> > > Changes for v2:
> > > - use A64 dphy compatible
> > >
> > >  arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 45 +++++++++++++++++++
> > >  1 file changed, 45 insertions(+)
> > >
> > > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> > > index f3a66f888205..f82e6b165d57 100644
> > > --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> > > +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> > > @@ -320,6 +320,11 @@
> > >                                       #address-cells = <1>;
> > >                                       #size-cells = <0>;
> > >                                       reg = <1>;
> > > +
> > > +                                     tcon0_out_dsi: endpoint@1 {
> > > +                                             reg = <1>;
> > > +                                             remote-endpoint = <&dsi_in_tcon0>;
> >
> > You need to set the allwinner,channel property there.
> 
> Are you referring to allwinner,tcon-channel = <1> ?

Yep

Maxime

-- 
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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