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From: David Brownell <david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
To: "Hans-Jürgen Koch" <hjk-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>
Cc: i2c-GZX6beZjE8VD60Wz+7aTrA@public.gmane.org
Subject: Re: Two start conditions for PCA9554
Date: Wed, 30 Apr 2008 23:01:56 -0700	[thread overview]
Message-ID: <200804302301.56732.david-b@pacbell.net> (raw)

> 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.

- Dave

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             reply	other threads:[~2008-05-01  6:01 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-05-01  6:01 David Brownell [this message]
     [not found] ` <200804302301.56732.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
2008-05-01 20:35   ` Two start conditions for PCA9554 Hans J. Koch
  -- 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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