Vim3 kernel modification

Hello,
What are the files or possible configuration in the aosp kernel ? and how to change them ?

@taimed @jasonl @Terry Please help about this question

how can I download and modify the vim3 kernel ?

@taimed you can reference https://gitlab.com/baylibre/amlogic/atv/aosp/device/amlogic/yukawa/-/wikis/Khadas_VIM3