If you are planning to do a physics major and also take courses in CS, you should just be sure that your college or university allows non-CS majors to take full advantage of the CS courses that would be relevant to your plans.
At many universities where CS is a popular and oversubscribed major, non-CS majors are very restricted in what specialized CS courses they are allowed to take (or they may only be able to waitlist, and wait to see if the courses fill).