Hi Frieder, On Mon, Feb 06, 2023 at 03:24:41PM +0100, Frieder Schrempf wrote: > Hi, > > I'm trying to get a camera stream on our i.MX8MM board up and running > with Linux 6.1. I'm using the RPi v2.1 camera module (imx219) as sensor. > > I basically copied the devicetree setup from Tim's overlay at > arch/arm64/boot/dts/freescale/imx8mm-venice-gw72xx-0x-imx219.dts. > > With all the drivers enabled the devices (imx219, imx7-media-csi, > imx-mipi-csis) seem to probe just fine and I see /dev/video0 and > /dev/media0. > > For the v4l subdevices I would expect to see one for the sensor and one > for the CSI bridge. But only the latter is there (see below). > > Is this correct? Am I missing something? How can I setup/enable the > pipeline/stream? Your expectations are correct, but the result isn't. You should see the camera sensor in the media graph. Has the imx219 been probed by the driver ? Did probe succeed ? > ~# media-ctl -d /dev/media0 -p > Media controller API version 6.1.8 > > Media device information > ------------------------ > driver imx7-csi > model imx-media > serial > bus info platform:32e20000.csi > hw revision 0x0 > driver version 6.1.8 > > Device topology > - entity 1: csi (2 pads, 1 link) > type V4L2 subdev subtype Unknown flags 0 > device node name /dev/v4l-subdev0 > pad0: Sink > [fmt:UYVY8_2X8/640x480 field:none colorspace:srgb xfer:srgb ycbcr:601 quantization:lim-range] > pad1: Source > [fmt:UYVY8_2X8/640x480 field:none colorspace:srgb xfer:srgb ycbcr:601 quantization:lim-range] > -> "csi capture":0 [ENABLED,IMMUTABLE] > > - entity 4: csi capture (1 pad, 1 link) > type Node subtype V4L flags 0 > device node name /dev/video0 > pad0: Sink > <- "csi":1 [ENABLED,IMMUTABLE] -- Regards, Laurent Pinchart
