Discussion about writing software for VS1005 and the VSOS Operating System. Also posts about VS1005-related hardware design and device drivers should be posted here.
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Joined: Tue 2020-11-10 12:34


Post by vinayslone » Wed 2020-12-16 16:00

Hello vlsi team,

We have our customized board with VS1005
we are using below gpio's as switch with 100k resister pull-up.

List of Gpio's which we are using for switch :-
0x09, 0x0A, 0x11, 0x12, 0x13, 0x22, 0x23, 0x24, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x25, 0x26, 0x27, 0x28, 0x29, 0x0E, 0x0F

Observations :-
Though we have pull-up on all GPIO's, but some Gpio's status are observed as LOW on H/W pin.

1.) Is kernel using any of the above Gpio's Pins for any other purpose ?
2.) Do we have a provision for setting internal pull-up or pull-down for GPIO's in VS1005 Board ?

Thankyou !

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