From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755938AbcAMSYH (ORCPT ); Wed, 13 Jan 2016 13:24:07 -0500 Received: from comal.ext.ti.com ([198.47.26.152]:39788 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753905AbcAMSYE (ORCPT ); Wed, 13 Jan 2016 13:24:04 -0500 Subject: Re: [PATCH 1/3] ARM: dts: omap5-board-common: enable rtc and charging of backup battery To: "H. Nikolaus Schaller" , Tony Lindgren References: <832803EE-E4CB-46B1-BF39-2DC0BB695A5D@goldelico.com> <20160108190457.GY12777@atomide.com> <20160111202421.GA12777@atomide.com> <20160112000917.GC12777@atomide.com> <417BBA32-A7DC-40CD-8A6B-EA910B1C9C13@goldelico.com> <001346CD-CF31-4FEF-B406-B89EEBDFA063@goldelico.com> <56966558.1070608@ti.com> <569669C5.2070200@ti.com> <20160113164856.GF12777@atomide.com> <56968596.2070105@ti.com> <56968B9C.1060600@ti.com> <3F9F2BA4-65FB-421F-A1BB-37F7CC59A519@goldelico.com> CC: Grygorii Strashko , Laxman Dewangan , =?UTF-8?Q?Beno=c3=aet_Cousson?= , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Russell King , linux-omap , , LKML , Marek Belisko , =?UTF-8?Q?Gra=c5=bevydas_Ignotas?= , Keerthy From: Nishanth Menon Message-ID: <56969627.8070802@ti.com> Date: Wed, 13 Jan 2016 12:23:35 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Icedove/38.5.0 MIME-Version: 1.0 In-Reply-To: <3F9F2BA4-65FB-421F-A1BB-37F7CC59A519@goldelico.com> Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 01/13/2016 12:00 PM, H. Nikolaus Schaller wrote: [...] > And the X15 board can "patch" it after using the omap5-board-common.dtsi > to whatever it needs to fix it. > There is nothing to patch on X15[1]. there is no MSECURE pin on X15. there are three RTCs on X15: MCP, TPS and DRA7-RTC. TPS has no use for RTC, in fact has no capability of having a backup battery - which pretty much (at least IMHO) removes real world use of TPS as a RTC in a non-networked world.. but anyways, lets keep X15 and uevm seperate - they dont share much in this context. [1] https://github.com/beagleboard/beagleboard-x15/blob/master/BeagleBoard-X15_RevA2.pdf -- Regards, Nishanth Menon