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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: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190401124143.17179-2-peter.ujfalusi@ti.com
hifive-unleashed-5.2
Peter Ujfalusi 2019-04-01 15:41:42 +03:00 committed by Andrzej Hajda
parent 3d31e21522
commit 51c7b4477c
1 changed files with 9 additions and 1 deletions
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10
Documentation/devicetree/bindings/display/bridge/ti,tfp410.txt
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@ -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>;
};
};