You can add any TNG card and MyKad into the Touch 'n Go eWallet EXCEPT Fleet Pass Card and Zing Card (Credit Card/Debit Card with auto reload feature).
Below are the articles that may be useful for you :
How do I add my Touch ‘n Go card into my eWallet?
How do I find the 10-digit serial number of my Touch ‘n Go card?
I want to add my MyKad into the eWallet. Where can I locate the serial number of my MyKad?
Can I reload my Touch 'n Go card via the TNG eWallet?