Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751074AbaLQP1N (ORCPT ); Wed, 17 Dec 2014 10:27:13 -0500 Received: from mail.csclub.uwaterloo.ca ([129.97.134.52]:37466 "EHLO mail.csclub.uwaterloo.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750899AbaLQP1M (ORCPT ); Wed, 17 Dec 2014 10:27:12 -0500 From: "Lennart Sorensen" Date: Wed, 17 Dec 2014 10:27:10 -0500 To: Nishanth Menon Cc: Tero Kristo , Lokesh Vutla , linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Sekhar Nori Subject: Re: [PATCH 2/2] ARM: omap5/dra7xx: Fix counter frequency drift for AM572x errata i856. Message-ID: <20141217152710.GT24110@csclub.uwaterloo.ca> References: <358281a880ccd89873efeea75edaa6c953eac2bd.1418421100.git.lsorense@csclub.uwaterloo.ca> <20141214044517.GD24110@csclub.uwaterloo.ca> <549018EC.8020207@ti.com> <20141216145856.GA23358@kahuna> <54918357.8060801@ti.com> <20141217145533.GS24110@csclub.uwaterloo.ca> <20141217152225.GA737@kahuna> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20141217152225.GA737@kahuna> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Dec 17, 2014 at 09:22:25AM -0600, Nishanth Menon wrote: > A clock mux might do the job? > > value 1, 2 , 3 will imply sysclk1 / 610 > value of 0 implies fixed 32768 > > soemthing like > sys_clk32_crystal { > compatible = "fixed-clock"; > clock-frequency = <32768>; > } > > sys_clk32_pseudo { > compatible = "fixed-clock"; > compatible = "fixed-factor-clock"; > clocks = <&sys_clkin1>; > clock-mult = <1>; > clock-div = <610>; > } > > sys_32k_ck: sys_32k_ck { > compatible = "ti,mux-clock"; > clocks = <&sys_clk32_crystal>, <&sys_clk32_pseudo>, <&sys_clk32_pseudo>, <&sys_clk32_pseudo>; > }; > > I think... The only issue is that the BOOTSTRAP register is not around > the usual CM1,2 address region... OK, I like where that idea is headed. That looks promising. -- Len Sorensen -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/