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dt-bindings: media: video-interfaces: add support for dual edge sampling

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Some devices support sampling of the parallel data at both edges of the
interface pixel clock in order to reduce the pixel clock by two.
Use the pclk-sample property to reflect this feature in the device tree.

Signed-off-by: Michael Riesch <michael.riesch@wolfvision.net>
Reviewed-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
This commit is contained in:
Michael Riesch 2022-01-14 11:57:54 +01:00 committed by Hans Verkuil
parent f0ed939b6a
commit 55f6f743e9
1 changed files with 3 additions and 2 deletions
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5
Documentation/devicetree/bindings/media/video-interfaces.yaml
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@ -145,9 +145,10 @@ properties:
pclk-sample:
$ref: /schemas/types.yaml#/definitions/uint32
enum: [ 0, 1 ]
enum: [ 0, 1, 2 ]
description:
Sample data on rising (1) or falling (0) edge of the pixel clock signal.
Sample data on falling (0), rising (1) or both (2) edges of the pixel
clock signal.
sync-on-green-active:
$ref: /schemas/types.yaml#/definitions/uint32