From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.ebshome.net (gate.ebshome.net [64.81.67.12]) (using TLSv1 with cipher EDH-RSA-DES-CBC3-SHA (168/168 bits)) (Client CN "gate.ebshome.net", Issuer "gate.ebshome.net" (not verified)) by ozlabs.org (Postfix) with ESMTP id 52BC167A91 for ; Thu, 10 Feb 2005 05:57:29 +1100 (EST) Date: Wed, 9 Feb 2005 10:57:26 -0800 From: Eugene Surovegin To: Clemens Koller Message-ID: <20050209185726.GA2638@gate.ebshome.net> References: <420A4CF3.5090902@anagramm.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <420A4CF3.5090902@anagramm.de> Cc: linuxppc-embedded@ozlabs.org Subject: Re: Are the I2C drivers on MPC8540 Kernel 2.6.10 working? List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Wed, Feb 09, 2005 at 06:48:35PM +0100, Clemens Koller wrote: > My problems: > I try to get a I2C Philips PCF8563 Real Time Clock working which > is connected to the I2C of my MPC8540 processor. > The chip should be sw-compatible with the Epson RTC8564 component > (according to the datasheets), so I tried to enable the MPC85xx > I2C bus, the EPSON RTC8564 and the Kernel RTC support. > I tried several configs - compiled i2c into the kernel or as a > modules to load and unload them with debug=1 > > I cannot access /dev/misc/rtc with the hwclock (latest version=2.23): Make sure I2C address for your RTC clock is correct. They may be compatible, but usually I2C address depends on board design and you may have to tweak the driver a little. -- Eugene.