Nagesh 4
Posts: 1
Joined: Tue Mar 24, 2020 6:57 am

SD1 interface as storage SD card, GPIO 22 to 27, CM3+

Tue Mar 24, 2020 8:04 am

Hello all,
Can somebody support me in making this work?

My questions
1. Can we use this SD1 (GPIO 22 to 27) as storage?
2. Used it in a3 function, with overlays and pollonce=off, tried overclocking, no use please support me?

User avatar
Frederir
Posts: 12
Joined: Tue May 24, 2016 12:28 pm
Contact: Website

Re: SD1 interface as storage SD card, GPIO 22 to 27, CM3+

Wed Mar 25, 2020 8:38 am

Hi you can try :
dtoverlay=sdio,poll_once=no,sdio_overclock=30

It works for me. But the problem may be in your hardware, you could share your schematic to check if it does not work.

F.
Custom board design based on RPI or other : http://www.aptustech.com/

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