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[2/4] media: imx.rst: Provide an example for unprocessed video capture

Message ID 20200408123215.2531-2-festevam@gmail.com
State New
Headers show
Series None | expand

Commit Message

Fabio Estevam April 8, 2020, 12:32 p.m. UTC 
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>
---
 Documentation/media/v4l-drivers/imx.rst | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
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Patch

diff --git a/Documentation/media/v4l-drivers/imx.rst b/Documentation/media/v4l-drivers/imx.rst
index 7c3afd32e456..3b4767f5f422 100644
--- a/Documentation/media/v4l-drivers/imx.rst
+++ b/Documentation/media/v4l-drivers/imx.rst
@@ -670,6 +670,26 @@  Streaming can then begin on "ipu1_ic_prpenc capture" node. The v4l2-ctl
 tool can be used to select any supported YUV or RGB pixelformat on the
 capture device node.
 
+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 YUV or RGB pixelformat on the
+capture device node.
+
 
 Known Issues
 ------------