how to enable tpm 2.0 on unknown manufactured device

berveglieri

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Hi,
I have a board from an unknown manufacturer and it comes with tpm 2.0 module but I can't make it appear on /dev.
I have tried to load the correct drivers but during the boot it shows fly error: tpm_tis_remove and I have no idea of the reason.
How could I make it work? I have tried to compile a new kernel with tpm support but I had no success to make it appear in /dev.
I have read about devicetree overlay but I am not sure how to apply such configuration to make it work.
Maybe someone would have some idea in how to make the tpm device visible?
The board is running ubuntu 20.04 arm version

Thank you

Regards
 


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