From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: OMAP reaction facing a multiple devices definition by muxing Date: Fri, 30 Oct 2009 10:37:44 -0700 Message-ID: <20091030173743.GZ7180@atomide.com> References: <1256892728.14448.6.camel@dell-desktop.example.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mho-02-ewr.mailhop.org ([204.13.248.72]:63545 "EHLO mho-02-ewr.mailhop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932695AbZJ3Rhl (ORCPT ); Fri, 30 Oct 2009 13:37:41 -0400 Content-Disposition: inline In-Reply-To: <1256892728.14448.6.camel@dell-desktop.example.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: max Cc: linux-omap@vger.kernel.org * max [091030 01:58]: > Hello, > > I have a question concerning the mux and the OMAP's reaction. > > How does the omap reacts when you define a register for a specific > device that is already initiated as primary mode of another register ? > For example CONTROL_PADCONF_UART1_ defines the uart1 in primary mode but > when you mux the register CONTROL_PADCONF_MCBSP_CLKS into mode 5 (and > the other apropiate registers for the uart1) how does the OMAP reacts ? > > Thank you for your answer. AFAIK, it just reroutes the signal and that's it. The muxing system does not affect the omap internal state, it's there just to route the signals to the limited number of pins. Regards, Tony