Hi Laurent, On 06.02.23 16:31, Laurent Pinchart wrote: > 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 ? Yes, the imx219_probe() works just fine and returns with code 0. I also see v4l2_async_register_subdev_sensor() and the underlying code being called. So I really don't understand why I'm missing the sensor subdev. Any ideas how to continue debugging? Thanks! Frieder