Xavier NX i2c-1 err

Robotics & Edge Computing Jetson & Embedded Systems Jetson Xavier NX
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1

Hi，I‘m using our custom board using Xavier NX to test device and the i2c-1 bus can not work as usual, dmesg show these information. I wonder if this is the hardware fault?

[   25.947448] tegra-i2c c240000.i2c: pio timed out addr: 0x2b tlen:32 rlen:0
[   25.947625] tegra-i2c c240000.i2c: --- register dump for debugging ----
[   25.947751] tegra-i2c c240000.i2c: I2C_CNFG - 0x22c00
[   25.947850] tegra-i2c c240000.i2c: I2C_PACKET_TRANSFER_STATUS - 0x10001
[   25.947969] tegra-i2c c240000.i2c: I2C_FIFO_CONTROL - 0x0
[   25.948067] tegra-i2c c240000.i2c: I2C_FIFO_STATUS - 0x800080
[   25.948172] tegra-i2c c240000.i2c: I2C_MST_FIFO_CONTROL - 0x70000
[   25.948283] tegra-i2c c240000.i2c: I2C_MST_FIFO_STATUS - 0x7b0000
[   25.948421] tegra-i2c c240000.i2c: I2C_MST_PACKET_TRANSFER_CNT - 0x0
[   25.948535] tegra-i2c c240000.i2c: I2C_INT_MASK - 0x7c
[   25.948629] tegra-i2c c240000.i2c: I2C_INT_STATUS - 0x2
[   25.948721] tegra-i2c c240000.i2c: i2c transfer timed out addr: 0x2b
3

hello 854053437,

it’s communication failure, which usually caused by you’ve not given power-supply correctly.

4

Thanks, it’s our hardware causing this err

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