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Message-Id: <1576590361-28244-6-git-send-email-fabrizio.castro@bp.renesas.com>
Date: Tue, 17 Dec 2019 13:46:00 +0000
From: Fabrizio Castro <fabrizio.castro@...renesas.com>
To: Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
Geert Uytterhoeven <geert+renesas@...der.be>,
David Airlie <airlied@...ux.ie>,
Daniel Vetter <daniel@...ll.ch>,
Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Thierry Reding <thierry.reding@...il.com>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>,
Sean Paul <sean@...rly.run>,
Andrzej Hajda <a.hajda@...sung.com>
Cc: Fabrizio Castro <fabrizio.castro@...renesas.com>,
Sam Ravnborg <sam@...nborg.org>,
Simon Horman <horms@...ge.net.au>,
Magnus Damm <magnus.damm@...il.com>,
Kieran Bingham <kieran.bingham+renesas@...asonboard.com>,
dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
Chris Paterson <Chris.Paterson2@...esas.com>,
Biju Das <biju.das@...renesas.com>,
Laurent Pinchart <laurent.pinchart@...asonboard.com>,
Jacopo Mondi <jacopo+renesas@...ndi.org>,
ebiharaml@...linux.co.jp
Subject: [PATCH v6 5/6] dt-bindings: display: Add idk-2121wr binding
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 <fabrizio.castro@...renesas.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
---
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 <fabrizio.castro@...renesas.com>
+ - Thierry Reding <thierry.reding@...il.com>
+
+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).
+
+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
+
+ 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
+
+ panel-timing: true
+
+additionalProperties: false
+
+required:
+ - compatible
+ - width-mm
+ - height-mm
+ - data-mapping
+ - panel-timing
+ - ports
+
+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
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