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Commit 51c7b447 authored by Peter Ujfalusi's avatar Peter Ujfalusi Committed by Andrzej Hajda
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dt-bindings: display: tfp410: Add bus-width parameter property 



tfp410 can be connect to host processor in 24bit, single-edge (24 lines) or
12bit, dual-edge (12 lines).

Add bus-width to the documentation so it can be used to select between the
two connection scheme.

Signed-off-by: default avatarPeter Ujfalusi <peter.ujfalusi@ti.com>
Reviewed-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarAndrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190401124143.17179-2-peter.ujfalusi@ti.com
parent 3d31e215

Documentation/devicetree/bindings/display/bridge/ti,tfp410.txt

+9 −1
Original line number Diff line number Diff line
@@ -18,7 +18,14 @@ This device has two video ports. Their connections are modeled using the OF 
graph bindings specified in [1]. Each port node shall have a single endpoint.



- Port 0 is the DPI input port. Its endpoint subnode shall contain a

  pclk-sample property and a remote-endpoint property as specified in [1].

  pclk-sample and bus-width property and a remote-endpoint property as specified

  in [1].

  - If pclk-sample is not defined, pclk-sample = 0 should be assumed for

    backward compatibility.

  - If bus-width is not defined then bus-width = 24 should be assumed for

    backward compatibility.

    bus-width = 24: 24 data lines are connected and single-edge mode

    bus-width = 12: 12 data lines are connected and dual-edge mode



- Port 1 is the DVI output port. Its endpoint subnode shall contain a

  remote-endpoint property is specified in [1].
@@ -43,6 +50,7 @@ tfp410: encoder@0 { 


			tfp410_in: endpoint@0 {

				pclk-sample = <1>;

				bus-width = <24>;

				remote-endpoint = <&dpi_out>;

			};

		};