Looking for information on modern(ish) use of spidev

Baruch Siach baruch at tkos.co.il
Wed Apr 20 13:32:54 PDT 2016


Hi Patrick,

On Wed, Apr 20, 2016 at 04:29:01PM -0400, Patrick Doyle wrote:
> Thank you for your quick reply.  I have added spidev entries to my
> device tree following the models I found in arch/arm/boot/dts, but no
> entries show up in /dev, upon which my devtmpfs is mounted.  Do I need
> to do anything special to make the entries show up, such as running a
> udev or mdev daemon (which I am not currently running)?

devtmpfs should be enough.

Are you sure you enabled CONFIG_SPI_SPIDEV in your kernel? Does your SPI 
master driver probe successfully?

baruch

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