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[24.155.109.49]) by smtp.gmail.com with ESMTPSA id r25sm1196527otk.2.2019.12.18.12.20.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Dec 2019 12:20:19 -0800 (PST) Date: Wed, 18 Dec 2019 14:20:18 -0600 From: Rob Herring To: Fabrizio Castro Subject: Re: [PATCH v6 5/6] dt-bindings: display: Add idk-2121wr binding Message-ID: <20191218202018.GA7282@bogus> References: <1576590361-28244-1-git-send-email-fabrizio.castro@bp.renesas.com> <1576590361-28244-6-git-send-email-fabrizio.castro@bp.renesas.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1576590361-28244-6-git-send-email-fabrizio.castro@bp.renesas.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Geert Uytterhoeven , David Airlie , dri-devel@lists.freedesktop.org, Thierry Reding , Laurent Pinchart , Sam Ravnborg , Magnus Damm , ebiharaml@si-linux.co.jp, devicetree@vger.kernel.org, Chris Paterson , Biju Das , Simon Horman , Sean Paul , linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Kieran Bingham , Jacopo Mondi Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Tue, Dec 17, 2019 at 01:46:00PM +0000, Fabrizio Castro wrote: > Add binding for the idk-2121wr LVDS panel from Advantech. > > 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 > Reviewed-by: Laurent Pinchart > > --- > v5->v6: > * No change > > v4->v5: > * No change > > v3->v4: > * Absorbed patch "dt-bindings: display: Add bindings for LVDS > bus-timings" > * Big restructuring after Rob's and Laurent's comments > > v2->v3: > * New patch > --- > .../display/panel/advantech,idk-2121wr.yaml | 128 +++++++++++++++++++++ > 1 file changed, 128 insertions(+) > create mode 100644 Documentation/devicetree/bindings/display/panel/advantech,idk-2121wr.yaml > > diff --git a/Documentation/devicetree/bindings/display/panel/advantech,idk-2121wr.yaml b/Documentation/devicetree/bindings/display/panel/advantech,idk-2121wr.yaml > new file mode 100644 > index 0000000..24cd38b > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/panel/advantech,idk-2121wr.yaml > @@ -0,0 +1,128 @@ > +# SPDX-License-Identifier: GPL-2.0 > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/display/panel/advantech,idk-2121wr.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Advantech IDK-2121WR 21.5" Full-HD dual-LVDS panel > + > +maintainers: > + - Fabrizio Castro > + - Thierry Reding > + > +description: | > + The IDK-2121WR from Advantech is a Full-HD dual-LVDS panel. > + A dual-LVDS interface is a dual-link connection with even pixels traveling > + on one link, and with odd pixels traveling on the other link. > + > + The panel expects odd pixels on the first port, and even pixels on the > + second port, therefore the ports must be marked accordingly (with either > + dual-lvds-odd-pixels or dual-lvds-even-pixels). > + Needs to reference lvds.yaml here. > +properties: > + compatible: > + items: > + - const: advantech,idk-2121wr > + - {} # panel-lvds, but not listed here to avoid false select > + > + width-mm: > + const: 476 > + > + height-mm: > + const: 268 > + > + data-mapping: > + const: vesa-24 > + > + ports: > + type: object > + properties: > + "#address-cells": > + const: 1 > + > + "#size-cells": > + const: 0 No need for these 2. Can assume they are defined in common binding. > + > + port@0: > + type: object > + description: The sink for odd pixels. > + properties: > + reg: > + const: 0 > + > + dual-lvds-odd-pixels: true > + > + required: > + - reg > + - dual-lvds-odd-pixels > + > + port@1: > + type: object > + description: The sink for even pixels. > + properties: > + reg: > + const: 1 > + > + dual-lvds-even-pixels: true > + > + required: > + - reg > + - dual-lvds-even-pixels port@0 and port@1 both required? > + > + panel-timing: true > + > +additionalProperties: false > + > +required: > + - compatible > + - width-mm > + - height-mm > + - data-mapping > + - panel-timing > + - ports No need to repeat what's required by lvds.yaml. > + > +examples: > + - |+ > + panel-lvds { > + 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 { > + reg = <0>; > + dual-lvds-odd-pixels; > + panel_in0: endpoint { > + remote-endpoint = <&lvds0_out>; > + }; > + }; > + > + port@1 { > + reg = <1>; > + dual-lvds-even-pixels; > + panel_in1: endpoint { > + remote-endpoint = <&lvds1_out>; > + }; > + }; > + }; > + }; > + > +... > -- > 2.7.4 > _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel