Web searching "donate IRA" funds some relevant information.
Fidelity Charitable (their DAF arm) says
People who are age 70 ½ or older can contribute up to $100,000 from their IRA directly to a charity and avoid paying income taxes on the distribution. This is known as a qualified charitable distribution. It is limited to IRAs, and there are other exclusions and considerations as well.
If you want to donate from the IRA before then, I believe you need to withdraw the money, take the tax hit if any, donate it and take the deduction by itemizing. A quick search didn't find an "in kind" mechanism for donating equities directly from an IRA.
Searching on Qualified Charitable Distribution should find more details, from that site and others. Sometimes half the battle is figuring out the search phrase; hope this gets you pointed in the right directions.