This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

Linux/DRA77P: UART2 not working

Part Number: DRA77P

Tool/software: Linux

Hi,

In our custom board, we had implemented the uart2 connection for our GNSS module. We were using the ti_processor_sdk_linux_automotive_dra7xx-evm_5_00_00_01 with kernel version 4.4,  on using cat /dev/ttyS1 we were able to get the GPS coordinates. The change we made was in the dra76-evm.dts where uart2 status was enabled.

We have now ported to latest kernel version 4.14, where we are unable to get the gps coordinates from the uart2 (even with same configuration of dt as prev. version). No values are received at the uart2 (ttyS1).

We have used the same pin mux configuration which was used in 4.4.

Are there any further changes required ?

The dt configuration we used were

uart2{

status="okay";

} ;

Regards,

Padmesh