From: Tolunay Orkun <listmember@orkun.us>
To: Tolunay Orkun <listmember@orkun.us>
Cc: linuxppc-embedded@ozlabs.org
Subject: Re: Multiple I2C busses on PPC405
Date: Thu, 18 Aug 2005 10:06:57 -0500 [thread overview]
Message-ID: <4304A411.40907@orkun.us> (raw)
In-Reply-To: <42FD248D.2040508@orkun.us>
I've not received any reply to my inquiry. Since it was last Friday
afternoon it might have been missed.
I really do appreciate if someone would suggest a bitbang I2C interface
driver generic enough to modify. I only need /dev/i2c? support from the
driver.
Tolunay
Tolunay Orkun wrote:
> I have a working embedded linux on Cogent CSB472 board (PPC405GP)
> currently based on off 2.4.31. We are already using the I2C bus on
> PowerPC using hardware I2C driver (IBM IIC I2C Interface) at Fast
> (400khz) mode.
>
> We need to add support for yet another (slow) I2C bus with PPC405 being
> the master and I'm looking at implementing bit bang interface using GPIO
> pins.
>
> What is the best way to get this going? I am looking at modifying the
> bit bang driver (PPC_405_I2C_Algorithm?) for the I/O pins I'll use.
> Anyone has done something similar. I appreciate all the advice I can get.
>
> Best Regards,
> Tolunay
>
>
>
prev parent reply other threads:[~2005-08-18 15:07 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-12 22:37 Multiple I2C busses on PPC405 Tolunay Orkun
2005-08-18 15:06 ` Tolunay Orkun [this message]
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