Linux-Renesas-SoC Archive on lore.kernel.org
 help / color / Atom feed
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
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

  reply index

Thread overview: 37+ 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
2019-08-15 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
2019-08-15 14:15 ` [PATCH v2 0/9] Add dual-LVDS panel support to EK874 Sam Ravnborg
2019-08-15 14:32   ` Fabrizio Castro

Reply instructions:

You may reply publically to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=TY1PR01MB1770F0B8363364D4A9315577C0AC0@TY1PR01MB1770.jpnprd01.prod.outlook.com \
    --to=fabrizio.castro@bp.renesas.com \
    --cc=Chris.Paterson2@renesas.com \
    --cc=airlied@linux.ie \
    --cc=biju.das@bp.renesas.com \
    --cc=daniel@ffwll.ch \
    --cc=devicetree@vger.kernel.org \
    --cc=dri-devel@lists.freedesktop.org \
    --cc=geert+renesas@glider.be \
    --cc=horms@verge.net.au \
    --cc=jacopo+renesas@jmondi.org \
    --cc=kieran.bingham+renesas@ideasonboard.com \
    --cc=laurent.pinchart@ideasonboard.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-renesas-soc@vger.kernel.org \
    --cc=mark.rutland@arm.com \
    --cc=robh+dt@kernel.org \
    --cc=sam@ravnborg.org \
    --cc=thierry.reding@gmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

Linux-Renesas-SoC Archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/linux-renesas-soc/0 linux-renesas-soc/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 linux-renesas-soc linux-renesas-soc/ https://lore.kernel.org/linux-renesas-soc \
		linux-renesas-soc@vger.kernel.org linux-renesas-soc@archiver.kernel.org
	public-inbox-index linux-renesas-soc


Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.kernel.vger.linux-renesas-soc


AGPL code for this site: git clone https://public-inbox.org/ public-inbox