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From: "Hans J. Koch" <hjk-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>
To: David Brownell <david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
Cc: i2c-GZX6beZjE8VD60Wz+7aTrA@public.gmane.org
Subject: Re: Two start conditions for PCA9554
Date: Thu, 1 May 2008 22:35:01 +0200	[thread overview]
Message-ID: <20080501203500.GC3210@local> (raw)
In-Reply-To: <200804302301.56732.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.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

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  parent reply	other threads:[~2008-05-01 20:35 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-05-01  6:01 Two start conditions for PCA9554 David Brownell
     [not found] ` <200804302301.56732.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
2008-05-01 20:35   ` Hans J. Koch [this message]
  -- strict thread matches above, loose matches on Subject: below --
2008-04-29 13:11 Hans J. Koch
2008-04-30 21:26 ` Trent Piepho
     [not found]   ` <Pine.LNX.4.58.0804301422140.9894-13q4cmjDBaTP3RPoUHIrnuTW4wlIGRCZ@public.gmane.org>
2008-05-01 20:39     ` Hans J. Koch

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