From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: OMAP: Configuring CONTROL_DEVCONF0 register via DT with pinctrl Date: Wed, 8 Aug 2012 23:36:13 -0700 Message-ID: <20120809063612.GL11011@atomide.com> References: <501262B5.1080004@ti.com> <20120807111041.GY11011@atomide.com> <5022532C.9060804@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <5022532C.9060804@ti.com> Sender: linux-omap-owner@vger.kernel.org To: Peter Ujfalusi Cc: linux-omap , "Cousson, Benoit" , "devicetree-discuss@lists.ozlabs.org" , Grant Likely List-Id: devicetree@vger.kernel.org * Peter Ujfalusi [120808 04:53]: > On 08/07/2012 02:10 PM, Tony Lindgren wrote: > > You need to also consider that CONTROL_DEVCONF0 has the MMC/SDIO module input > > clock selection. So pinctrl-single binding would have to be expanded to also > > support one-bit-per-mux type registers in addition to one-register-per-mux > > registers. And then this could also be used for the MMC/SDIO module input clock. > > Or if the clock selection for MMC/SDIO also static on a board we can just do > the mux config once, configuring McBSP1 and MMC/SDIO at the same time? Although the DEVCONF0 and 1 seem static, at least with pinctrl framework we can keep it dynamic if needed and we're not relying on buggy bootloaders to set it up. Regards, Tony