From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Hans J. Koch" Subject: Re: Two start conditions for PCA9554 Date: Thu, 1 May 2008 22:35:01 +0200 Message-ID: <20080501203500.GC3210@local> References: <200804302301.56732.david-b@pacbell.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <200804302301.56732.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: i2c-bounces-GZX6beZjE8VD60Wz+7aTrA@public.gmane.org Errors-To: i2c-bounces-GZX6beZjE8VD60Wz+7aTrA@public.gmane.org To: David Brownell Cc: i2c-GZX6beZjE8VD60Wz+7aTrA@public.gmane.org List-Id: linux-i2c@vger.kernel.org On Wed, Apr 30, 2008 at 11:01:56PM -0700, David Brownell wrote: > > I have an embedded board with a PCA9554 on it. It's an 8-bit IO expander > > similar to the PCF8574 in mainline. > > More like the pca9534 or pca9538. > > > > Can such a protocol be handled by the i2c subsystem? > > Try to tell drivers/gpio/pca953x.c that it's a pca9534; > I think they're register-compatible. Ah, I only looked in drivers/i2c/chips. I'll give it a try. Thanks a lot for that hint, Hans _______________________________________________ i2c mailing list i2c-GZX6beZjE8VD60Wz+7aTrA@public.gmane.org http://lists.lm-sensors.org/mailman/listinfo/i2c