Receive video from IMX219 through single lane

Hello,

I want to receive the video from imx219 sensor using 1 lane. Using jetson-io.py file, successfully received video from imx219 using 2 lane in jetson xavier nx.

I am using jetpack 4.6.5 and bsp 32.7.5.

what are all the settings to be change in the previous device driver and device tree of imx219?

May i know, is it possible to receive?

Feel free to ask questions.

Regards,
Dhoom

Two lanes working well why need one lane configuration?
You need one lane sensor REG configuration and modify the bus-width to 1 in device tree.

Hi shaneCCC,

I want to evaluate the video performance of the NX when it receives data through a single lane from the IMX219 camera. How will the video frames behave in this configuration? This is why I need to work with a single lane setup.

Please correct me if I am wrong.

I need to configure the single lane registers in the imx219_reg_tbls.h file.

Where can I find the single lane register configuration?

Regards,
Dhoom

Yes, you need confirm with vendor for the necessary REG modification in sensor initialize REG table.

Thanks

Hi Shane,

Actually, I have a doubt. Let’s say the camera outputs over 2 lanes, but I need to receive it using only 1 lane on the Xavier NX. Is that possible?

In this case, I don’t need to change the register settings, correct?

Regards,
Dhoom

It’s impossible for sensor output by 2 lanes configurate but NVCSI receive by 1 lane. I don’t think there are any platform able to support it too.

1 Like

Thank you for your clarification and support.

Regards,
Dhoom

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