From: David Brownell <david-b@pacbell•net>
To: "Jason Hanna" <jason.m.hanna.at.coincident@gmail•com>
Cc: spi-devel-general@lists•sourceforge.net,
Stefan Roese <sr@denx•de>,
linuxppc-dev@ozlabs•org
Subject: Re: [spi-devel-general] [PATCH v3] spi: Add PPC4xx SPI driver
Date: Thu, 20 Nov 2008 19:17:37 -0800 [thread overview]
Message-ID: <200811201917.38148.david-b@pacbell.net> (raw)
In-Reply-To: <8f9e78f00810301624k5925a52ah924960f869388233@mail.gmail.com>
On Thursday 30 October 2008, Jason Hanna wrote:
> Also, any pointers to sample/test code incorporating a spi protocol
> driver would be incredibly helpful.
Look at Documentation/spi/*.c ... for user mode code
hooking up through "spidev".
> I'm very new to device driver
> programming and don't really know what I'm doing yet. I seem to be
> getting the spi_ppc4xx and spi_bitbang modules loaded, but am unsure
> how to verify proper initialization and what next steps I need to
> follow in order to develop and associate a protocol driver.
Documentation/spi/spi-summary should help.
And sticking a 'scope on the outputs (as you
said you plan) is a decent place to start,
if you don't have something to talk to yet.
- dave
next prev parent reply other threads:[~2008-11-21 3:17 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-26 5:48 [PATCH v3] spi: Add PPC4xx SPI driver Stefan Roese
2008-10-29 14:53 ` Josh Boyer
2008-10-30 23:24 ` Jason Hanna
2008-11-21 3:17 ` David Brownell [this message]
2008-10-31 8:31 ` Stefan Roese
2008-10-31 10:34 ` Josh Boyer
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