Linux/AM5728: bidirectional GPIO pins in am5728 EVM

rav venkat

Intellectual 820 points

Part Number: AM5728

Tool/software: Linux

Hai,

I am using AM5728 EVM board. How can i know whether a GPIO pin is bidirectional or not. can you help me with this.

Thanks & Regards

Venkatesh R.

over 6 years ago

0 Pavel Botev over 6 years ago

TI__Guru**** 170625 points

Hi Rav,

You need to check AM572x DM, section 4.4.20 General-Purpose Interface (GPIO)

For example, pin gpio1_3 is input only, while gpio1_4 is Input/Output (bidirectional).

Regards,
Pavel

0 rav venkat over 6 years ago in reply to Pavel Botev

Intellectual 820 points

thank you for quick reply.
Regards,
Venkatesh R

0 Pavel Botev over 6 years ago in reply to rav venkat

TI__Guru**** 170625 points

Venkatesh,

Please close/verify/resolve this thread if no more questions related to the subject of this e2e thread.

Regards,
Pavel

0 rav venkat over 6 years ago in reply to Pavel Botev

Intellectual 820 points

is it possible to know whether a pin is Data pin or not.

0 Pavel Botev over 6 years ago in reply to rav venkat

TI__Guru**** 170625 points

Venkatesh,

I am not able to understand your question. Could you please explain your understanding of "GPIO data pin"?

For more details regarding GPIO pins,yYou can check

AM572x DM, section 7.24 General-Purpose Interface (GPIO)
AM572x TRM, ch27 GPIO

software-dl.ti.com/.../Foundational_Components_Kernel_Drivers.html

Regards,
Pavel

0 Pavel Botev over 6 years ago in reply to Pavel Botev

TI__Guru**** 170625 points

If you have no more questions related to the subject, please close/verify/resolve this thread.

Regards,
Pavel

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Linux/AM5728: bidirectional GPIO pins in am5728 EVM