Other Parts Discussed in Thread: TPIC2810
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Hello Dona,
Welcome to Linux development!
I think this is what you are saying. Correct me if I am wrong: "PCA953x is connecting to AM437x over I2C. Now, how do I interact with the PCA953x from Linux?"
If that is your question, then you need to ask NXP how to use their part in a Linux environment. We cannot support NXP software questions on the TI forums.
If your question is specific to AM437x, then we can help you on the TI forums. For example, if your I2C connection is not working properly, if you cannot figure out how to toggle AM437x GPIO pins, etc.
Regards,
Nick
Hi,Nick,
I'm glad to receive your reply, and I understand what you said, maybe my description is not clear, but I think my question can change to :
I want to use AM437x GPIO3 pin15 as interrupt pin, how should I do due to Ti steps?
hope Ti expert can guide me in this question and give me steps to achive my goals. Thanks !
Regards,
Dona