Hello,Do you check if the GPIO is not already used by the Cortex-A7 running the Linux?You can have a look here for tips to debug https://wiki.st.com/stm32mpu/wiki/Pinctrl_overview#How_to_monitor_with_debugfs
Do you try to debug your M33 firmware with cube IDE ?See https://wiki.st.com/stm32mpu/wiki/Getting_started/STM32MP2_boards/STM32MP257x-DK/Develop_on_Arm_Cortex-M33/Modify,_rebuild_and_reload_the_firmware for detailsAnother root cause could be the boo...
Bad command, the traces are printed in the remoteproc framework. Please use following one:#echo -n 'file remoteproc*.c +p' > /sys/kernel/debug/dynamic_debug/controlConcerning Cube MX:you have a "CID filtering" column in RIF. Unchecking the box should...
Do you also update the "vdev0XXXX" memory regions accordingly in the Linux Device tree?https://elixir.bootlin.com/linux/v6.13-rc3/source/arch/arm/boot/dts/st/stm32mp15xx-dkx.dtsi#L22