Questions tagged [sdio]

A SDIO (Secure Digital Input Output) card is an extension of the SD specification to cover I/O functions. SDIO cards are only fully functional in host devices designed to support their input-output functions. (From [Wikipedia](https://en.wikipedia.org/wiki/Secure_Digital#SDIO) )

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How to debug an SDIO configuration problem?

We are trying to get an SDIO-based 802.11 module to work on an SDIO port of the beaglebone. We adapted the device-tree overlay provided by manufacturer to our hardware, compiled the driver, the driver ...
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Trouble “activating” the SDIO Broadcom BCM43430 Wifi chip on Linux 4.8.0

I have an Intel Z3735F (Bay Trail) platform running a current 64Bit kernel 4.8. on UEFI32. From lines in dmesg and hwinfo I found, that on this particular device the on-board "Broadcom BCM43430 WLAN ...
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wifi chipset not detected on rPi 3 with gentoo

i've install gentoo on a raspberry Pi 3. The version of the kernel sources is 4.1.20-v7+. All works fine except for the wifi. When i load the module brcmfmac, it is loaded without complaint but the ...
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WIFI over SDIO over USB - Do I have to reflect that in the device tree?

I am currently extending an embedded hardware platform which runs a linux kernel 3.16. I want to connect an external SDIO controller to the USB bus, and then run a WIFI module using that SDIO ...
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How can one force a re-scan of an SDIO bus from Linux user space?

On an embedded Linux platform, I have a network adapter attached to an SDIO interface. There is no Card Detect signal on this particular bus. If for instance, I turn the network adapter power on or ...
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Is there any user space SDIO driver in Linux?

sdio_driver in kernel: Just 1 sdio_driver in "linux-2.6-daf54f1\drivers\mmc\card" (sdio_uart) There are some in linux-2.6-daf54f1\drivers\net\wireless. My questions are: Is there any user space ...