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| author | Fabio Estevam <festevam@gmail.com> | 2020-04-09 18:29:43 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-04-21 13:29:11 +0200 |
| commit | 62ce7201f442d667a31415c1b051ba385a994b63 (patch) | |
| tree | 681712441d3148223b822cef981b28c15e5bc356 /Documentation/admin-guide/media | |
| parent | 9429e7072f8ffc1aae4f2a2c4aeee9db847905f5 (diff) | |
| download | linux-62ce7201f442d667a31415c1b051ba385a994b63.tar.bz2 | |
media: imx.rst: Provide an example for unprocessed video capture
The current example for imx6q-sabresd is for a direct conversion pipeline.
Provide an extra example using unprocessed video capture for completeness.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Steve Longerbeam <slongerbeam@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'Documentation/admin-guide/media')
| -rw-r--r-- | Documentation/admin-guide/media/imx.rst | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/Documentation/admin-guide/media/imx.rst b/Documentation/admin-guide/media/imx.rst index 60f04258902e..e309d1aa0a65 100644 --- a/Documentation/admin-guide/media/imx.rst +++ b/Documentation/admin-guide/media/imx.rst @@ -589,6 +589,26 @@ CSI-2 OV5640 has been tested, so the OV5642 node is currently disabled. The OV5640 module connects to MIPI connector J5 (sorry I don't have the compatible module part number or URL). +The following example configures unprocessed video capture pipeline to +capture from the OV5640, transmitting on MIPI CSI-2 virtual channel 0: + +.. code-block:: none + + # Setup links + media-ctl -l "'ov5640 1-003c':0 -> 'imx6-mipi-csi2':0[1]" + media-ctl -l "'imx6-mipi-csi2':1 -> 'ipu1_csi0_mux':0[1]" + media-ctl -l "'ipu1_csi0_mux':2 -> 'ipu1_csi0':0[1]" + media-ctl -l "'ipu1_csi0':2 -> 'ipu1_csi0 capture':0[1]" + # Configure pads + media-ctl -V "'ov5640 1-003c':0 [fmt:UYVY2X8/640x480]" + media-ctl -V "'imx6-mipi-csi2':1 [fmt:UYVY2X8/640x480]" + media-ctl -V "'ipu1_csi0_mux':0 [fmt:UYVY2X8/640x480]" + media-ctl -V "'ipu1_csi0':0 [fmt:AYUV32/640x480]" + +Streaming can then begin on "ipu1_csi0 capture" node. The v4l2-ctl +tool can be used to select any supported pixelformat on the capture +device node. + The following example configures a direct conversion pipeline to capture from the OV5640, transmitting on MIPI CSI-2 virtual channel 0. It also shows colorspace conversion and scaling at IC output. |