AM62A7: Enable MCAN in linux & Modify associated DTS file in AM62A7

My target is communication between ZLG tools or CANoe(VN1640) tools and EVM by running the code of MCU side on Chip. My version is "mcu_plus_sdk_am62ax_08_06_00_18". TI FAE's advise is like this:

so I made some attemps to do as below:

first step:

second step:

third step:

fourth step:

At last, I could get the show in the list as below:

My schematics is like this:

fifth step，I made configuration about the MCAN in the demo "mcan_loopback_interrupt_am62ax-sk_mcu-r5fss0-0_nortos_ti-arm-clang":

sixth step, I changed the param in the function:

seventh step, I changed the transmitted value:

That's all. Compile & download into MCU side on the SOC. However, I couldn't get any normal square wave from the MCU_MCAN1_TX !

Please help to find the real reason & give the right steps about it. Thanks a lot!