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author | Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> | 2018-11-28 21:01:44 -0500 |
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committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-01-16 11:47:14 -0500 |
commit | 6af61a0bc43201425afa6052d24f2a67648f69d2 (patch) | |
tree | 98f2dea0e766b3a0d423cdd4f8153e657f33e894 /Documentation/devicetree | |
parent | 467a37fba93f2b4fe3ab597ff6a517b22b566882 (diff) | |
download | linux-stable-6af61a0bc43201425afa6052d24f2a67648f69d2.tar.gz linux-stable-6af61a0bc43201425afa6052d24f2a67648f69d2.tar.bz2 linux-stable-6af61a0bc43201425afa6052d24f2a67648f69d2.zip |
media: dt-bindings: adv748x: make data-lanes property mandatory for CSI-2 endpoints
The CSI-2 transmitters can use a different number of lanes to transmit
data. Make the data-lanes mandatory for the endpoints that describe the
transmitters as no good default can be set to fallback on.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'Documentation/devicetree')
-rw-r--r-- | Documentation/devicetree/bindings/media/i2c/adv748x.txt | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/media/i2c/adv748x.txt b/Documentation/devicetree/bindings/media/i2c/adv748x.txt index 5dddc95f9cc4..4f91686e54a6 100644 --- a/Documentation/devicetree/bindings/media/i2c/adv748x.txt +++ b/Documentation/devicetree/bindings/media/i2c/adv748x.txt @@ -48,7 +48,16 @@ are numbered as follows. TXA source 10 TXB source 11 -The digital output port nodes must contain at least one endpoint. +The digital output port nodes, when present, shall contain at least one +endpoint. Each of those endpoints shall contain the data-lanes property as +described in video-interfaces.txt. + +Required source endpoint properties: + - data-lanes: an array of physical data lane indexes + The accepted value(s) for this property depends on which of the two + sources are described. For TXA 1, 2 or 4 data lanes can be described + while for TXB only 1 data lane is valid. See video-interfaces.txt + for detailed description. Ports are optional if they are not connected to anything at the hardware level. |