The tpmtool reads from the TPM device and reports back the TPM information.
root@dell-diag-os:/opt/dell/diag/bin# tpmtool dell Diag - TPM Tool version 2.0, 3.54.4.5-7 build, 2022/08/02 Syntax: tpmtool <option> Show the help-text:= tpmtool --help (or) tpmtool -h Show version:= tpmtool --version (or) tpmtool -v Run TPM selftest:= tpmtool --test (or) tpmtool -t Get TPM test result:= tpmtool --result (or) tpmtool -r Get TPM capability:= tpmtool --capability (or) tpmtool -c Get TPM firmware versin:= tpmtool --fwversion (or) tpmtool -V Execute repeatedly command by count:= tpmtool --iteration=max/<count> [option1] [option2]... (or) tpmtool -I max/<count> [option1] [option2]... Usage:= -h, --help Show the help text -v, --version Display version -t, --test TPM self test -r, --result TPM test result -c, --capability TPM capability -V, --tpm-version TPM firmware version -I, --iteration= Iteration command execution