Hello, I have an orin nx dev kit that is getting a MIPI stream from an FPGA. My FPGA is outputting 8 bits per component RGB888_24 stream. (2 Lanes) However when I try to receive on the orin and save to a file using V4L2 as follows I get: My device tree: rbpcv2_imx219_c@10 { …

hello vikram.bhat, you may leave it as default if you use an internal clock source. FYI, the maximum frequency for extperiph1 is 37.09 MHz, other input clocks, extperiph2, extperiph3, and extperiph4 are limited to 24 MHz.

[image] JerryChang: VI did not support RGB888 memory formats due to it’ll add luminance format. Thank you Jerry for your swift reply. I see, I thought it did because its present in sensor_common.c: linux-tegra-5.10/nvidia/drivers/media/platform/tegra/camera/sensor_common.c at oe4t-patches-l4…

Also, @JerryChang would you be able to comment on mclk_khz/pixel clock? I am uncertain if my calculations for them are correct based on 800Mhz line rate. I see for all sensors that value seems to be 24MHz , but the sensor programming guide says it should be the MIPI driving clock frequency, which …

hello vikram.bhat, (1) it’s TRM to list hardware capability, however, VIC output format only support RGB/BGR with alpha channel. that’s why RGBA is used. (2) please refer to Sensor Pixel Clock section to review your clock settings. (3) Here’s another example to check CSI date rate, for instance,…

Thanks @JerryChang . That makes sense for pixel clock. Would you say that the value of mclk_khz matters for the orin to obtain and track the MIPI CSI signal? My understanding is that the receiver will “negoatiate” with the transmitter to get a lock on the clock. Otherwise it seems like the 24Mhz…

Hi @JerryChang . Thank you we will leave it as default as this is driven by the FPGA. Thank you.

Orin RGB888 Stream

Robotics & Edge Computing Jetson Systems Jetson Orin NX

JerryChang October 29, 2024, 3:24am 3

hello vikram.bhat,

VI did not support RGB888 memory formats due to it’ll add luminance format.
please see-also similar forum threads, such as Topic 289673, and Topic 108194 for reference.

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Orin RGB888 Stream

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