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

Message ID 20200408123215.2531-2-festevam@gmail.com (mailing list archive)
State Superseded, archived
Delegated to: Hans Verkuil
Headers
Series [1/4] media: imx.rst: Fix the MIPI CSI-2 virtual channel |

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(+)
  

Comments

Steve Longerbeam April 8, 2020, 4:37 p.m. UTC | #1
On 4/8/20 5:32 AM, Fabio Estevam wrote:
> 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>

> ---
>   Documentation/media/v4l-drivers/imx.rst | 20 ++++++++++++++++++++
>   1 file changed, 20 insertions(+)
>
> 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
>   ------------
  

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
 ------------