From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Brownell Subject: Re: [PATCH v3] spi: Add PPC4xx SPI driver Date: Thu, 20 Nov 2008 19:17:37 -0800 Message-ID: <200811201917.38148.david-b@pacbell.net> References: <1225000124-29366-1-git-send-email-sr@denx.de> <20081029145305.GA3676@yoda.jdub.homelinux.org> <8f9e78f00810301624k5925a52ah924960f869388233@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org, Stefan Roese , Josh Boyer , linuxppc-dev-mnsaURCQ41sdnm+yROfE0A@public.gmane.org To: "Jason Hanna" Return-path: In-Reply-To: <8f9e78f00810301624k5925a52ah924960f869388233-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> Content-Disposition: inline List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: spi-devel-general-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-spi.vger.kernel.org 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 ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/