From: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
To: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Thierry Reding <thierry.reding@gmail.com>,
David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Sam Ravnborg <sam@ravnborg.org>,
"dri-devel@lists.freedesktop.org"
<dri-devel@lists.freedesktop.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Simon Horman <horms@verge.net.au>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Chris Paterson <Chris.Paterson2@renesas.com>,
Biju Das <biju.das@bp.renesas.com>,
"linux-renesas-soc@vger.kernel.org"
<linux-renesas-soc@vger.kernel.org>,
Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>,
Jacopo Mondi <jacopo+renesas@jmondi.org>
Subject: RE: [PATCH v2 2/9] dt-bindings: display: Add bindings for Advantech IDK-2121WR
Date: Thu, 15 Aug 2019 13:38:35 +0000 [thread overview]
Message-ID: <TY1PR01MB1770F0B8363364D4A9315577C0AC0@TY1PR01MB1770.jpnprd01.prod.outlook.com> (raw)
In-Reply-To: <20190815114719.GI5011@pendragon.ideasonboard.com>
Hi Laurent,
Thank you for your feedback!
> From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Sent: 15 August 2019 12:47
> Subject: Re: [PATCH v2 2/9] dt-bindings: display: Add bindings for Advantech IDK-2121WR
>
> Hi Fabrizio,
>
> On Thu, Aug 15, 2019 at 12:04:26PM +0100, Fabrizio Castro wrote:
> > This panel is handled through the generic lvds-panel bindings,
> > so only needs its additional compatible specified.
> >
> > Some panel-specific documentation can be found here:
> > https://buy.advantech.eu/Displays/Embedded-LCD-Kits-High-Brightness/model-IDK-2121WR-K2FHA2E.htm
> >
> > Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
> >
> > ---
> > v1->v2:
> > * Reworked according to Laurent's feedback
> > * Renamed lvds0_panel_in to panel_in0
> > * Renamed lvds1_panel_in to panel_in1
> >
> > Laurent,
> >
> > Should this be a .yaml file already?
>
> It's not a strict requirement, but I'm sure Rob would really appreciate.
> I've converted a DT binding to yaml recently (for a panel too), and I
> have to say I'm impressed by the validation yaml brings, both for DT
> sources and for DT bindings. It even validates the example in the
> bindings, which is great. Documentation/devicetree/writing-schema.md
> should give you a few pointers to get started (in particular make sure
> you run make dt_binding_check for your new bindings).
Will give this a try.
Thanks,
Fab
>
> > .../display/panel/advantech,idk-2121wr.txt | 56 ++++++++++++++++++++++
> > 1 file changed, 56 insertions(+)
> > create mode 100644 Documentation/devicetree/bindings/display/panel/advantech,idk-2121wr.txt
> >
> > diff --git a/Documentation/devicetree/bindings/display/panel/advantech,idk-2121wr.txt
> b/Documentation/devicetree/bindings/display/panel/advantech,idk-2121wr.txt
> > new file mode 100644
> > index 0000000..6ee1d1b
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/display/panel/advantech,idk-2121wr.txt
> > @@ -0,0 +1,56 @@
> > +Advantech Co., Ltd. IDK-2121WR 21.5" LVDS panel
> > +===============================================
> > +
> > +Required properties:
> > +- compatible: should be "advantech,idk-2121wr" followed by "panel-lvds"
> > +
> > +This binding is compatible with the lvds-panel binding, which is specified
> > +in panel-lvds.txt in this directory.
> > +The panel operates in dual-link mode and thus requires two port nodes,
> > +the first port node expects odd pixels (1, 3, 5, etc.) and the second port
> > +expects even pixels (0, 2, 4, etc.).
> > +
> > +Example
> > +-------
> > +
> > + panel {
> > + compatible = "advantech,idk-2121wr", "panel-lvds";
> > +
> > + width-mm = <476>;
> > + height-mm = <268>;
> > +
> > + data-mapping = "vesa-24";
> > +
> > + panel-timing {
> > + clock-frequency = <148500000>;
> > + hactive = <1920>;
> > + vactive = <1080>;
> > + hsync-len = <44>;
> > + hfront-porch = <88>;
> > + hback-porch = <148>;
> > + vfront-porch = <4>;
> > + vback-porch = <36>;
> > + vsync-len = <5>;
> > + };
> > +
> > + ports {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + port@0 {
> > + /* Odd pixels */
> > + reg = <0>;
> > + panel_in0: endpoint {
> > + remote-endpoint = <&lvds0_out>;
> > + };
> > + };
> > +
> > + port@1 {
> > + /* Even pixels */
> > + reg = <1>;
> > + panel_in1: endpoint {
> > + remote-endpoint = <&lvds1_out>;
> > + };
> > + };
> > + };
> > + };
> > --
> > 2.7.4
> >
>
> --
> Regards,
>
> Laurent Pinchart
next prev parent reply other threads:[~2019-08-15 13:38 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-15 11:04 [PATCH v2 0/9] Add dual-LVDS panel support to EK874 Fabrizio Castro
2019-08-15 11:04 ` [PATCH v2 1/9] dt-bindings: panel: lvds: Add dual-link LVDS display support Fabrizio Castro
2019-08-15 11:45 ` Laurent Pinchart
2019-08-15 13:37 ` Fabrizio Castro
2019-08-15 11:04 ` [PATCH v2 2/9] dt-bindings: display: Add bindings for Advantech IDK-2121WR Fabrizio Castro
2019-08-15 11:47 ` Laurent Pinchart
2019-08-15 13:38 ` Fabrizio Castro [this message]
2019-08-15 11:04 ` [PATCH v2 3/9] drm: Rename drm_bridge_timings to drm_timings Fabrizio Castro
2019-08-15 13:18 ` Laurent Pinchart
2019-08-15 13:50 ` Fabrizio Castro
2019-08-15 14:04 ` Greg Kroah-Hartman
2019-08-15 14:14 ` Laurent Pinchart
2019-08-15 14:31 ` Fabrizio Castro
2019-08-15 14:53 ` Greg Kroah-Hartman
2019-08-15 15:01 ` Fabrizio Castro
2019-08-15 18:06 ` Laurent Pinchart
2019-08-15 19:05 ` Greg Kroah-Hartman
2019-08-16 8:11 ` Fabrizio Castro
2019-08-15 11:04 ` [PATCH v2 4/9] drm/timings: Add link flags Fabrizio Castro
2019-08-15 12:00 ` Laurent Pinchart
2019-08-15 15:40 ` Fabrizio Castro
2019-08-15 11:04 ` [PATCH v2 5/9] drm/panel: Add timings field to drm_panel Fabrizio Castro
2019-08-15 12:03 ` Laurent Pinchart
2019-08-15 13:49 ` Fabrizio Castro
2019-08-15 14:13 ` Sam Ravnborg
2019-08-15 14:48 ` Fabrizio Castro
2019-08-15 11:04 ` [PATCH v2 6/9] drm: rcar-du: lvds: Fix companion's mode Fabrizio Castro
2019-08-15 11:55 ` Laurent Pinchart
2019-08-15 13:42 ` Fabrizio Castro
2019-08-15 11:04 ` [PATCH v2 7/9] drm: rcar-du: lvds: Add dual-LVDS panels support Fabrizio Castro
2019-08-15 13:08 ` Laurent Pinchart
2019-08-15 15:36 ` Fabrizio Castro
2019-08-20 16:04 ` Laurent Pinchart
2019-08-21 17:00 ` Fabrizio Castro
2019-08-15 11:04 ` [PATCH v2 8/9] drm/panel: lvds: Add support for the IDK-2121WR Fabrizio Castro
2019-08-15 11:04 ` [PATCH v2 9/9] arm64: dts: renesas: Add EK874 board with idk-2121wr display support Fabrizio Castro
2019-08-19 12:03 ` Geert Uytterhoeven
2019-08-20 13:59 ` Fabrizio Castro
2019-08-15 14:15 ` [PATCH v2 0/9] Add dual-LVDS panel support to EK874 Sam Ravnborg
2019-08-15 14:32 ` Fabrizio Castro
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