From: Grant Likely <grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org>
To: Juha Lumme <juha.lumme-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: Re: Trying to use spidev to send an spi message, result from spidev_test.c "Illegal argument" . (i.mx23, kernel 3.7)
Date: Tue, 05 Feb 2013 17:28:11 +0000 [thread overview]
Message-ID: <20130205172811.601A53E15C2@localhost> (raw)
In-Reply-To: <50E0060F.8060604-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
On Sun, 30 Dec 2012 18:14:55 +0900, Juha Lumme <juha.lumme-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> Hi,
>
> I am having issues communicating with a micro controller connected to
> SPI bus, using spidev.
> I would like to send messages to my MSP430 from user land, but so far no
> luck.
>
> At least I know that my SPI bus should be ok, since in the same bus I
> have a SPI flash chip that works.
> In my DTS I have added my 2 SPI devices as such:
It looks to me like the SPI master doesn't know how to drive the CS line
for the second device.
g.
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prev parent reply other threads:[~2013-02-05 17:28 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-30 9:14 Trying to use spidev to send an spi message, result from spidev_test.c "Illegal argument" . (i.mx23, kernel 3.7) Juha Lumme
[not found] ` <50E0060F.8060604-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2013-02-05 17:28 ` Grant Likely [this message]
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