mtk-sd 10130000.sdhci: no support for card's volts
I have a custom board with an Omega2S+ which uses this SD Card Connector. The data sheet is here.
The card is NOT mounted automatically and the following messages are appearing in the kernel log:
Below is our schematic for the connector, it was derived from the reference schematic here:
Is there anything obvious that I have missed here?
Any help would be much appreciated.
JeffZhou Team Onion last edited by
Hi,it seems that the schematic is ok. You can check that if the SMT issue or you can check the SDCD PIN Voltage when the sd card insert .
@timj I use the exact same part on my custom boards, the most common issue I have experienced is a bad GND. The second most common issue is rubbish SD Cards. Try a few different ones and see if that helps.
Also look at the logs and see if a) the card insertion is detected; b) if the file system is identified
Thank you @JeffZhou and @crispyoz the schematic is good.
It turns out the symbol/footprint we used in the design was incorrect. With a micro SD adapter soldered to the pins a range of cards were successfully detected and mounted.
The carrier quality is good so for anyone wanting to use it, these links helped:
There is stock available here.
Digikey has some good document references for the carrier here.
SnapEDA has a great symbol and footprint for the carrier here.