From mboxrd@z Thu Jan 1 00:00:00 1970 From: wmb@firmworks.com (Mitch Bradley) Date: Wed, 06 Jun 2012 06:22:57 -1000 Subject: [PATCH v2 8/9] ARM: dts: refresh dts file for arch mmp In-Reply-To: References: <1336134626-12262-1-git-send-email-haojian.zhuang@gmail.com> <1336134626-12262-9-git-send-email-haojian.zhuang@gmail.com> <87d35ezkm1.fsf@laptop.org> <201206060128.28167.arnd@arndb.de> <4FCEB694.8080904@firmworks.com> <4FCEE91F.1030308@firmworks.com> Message-ID: <4FCF83E1.9060000@firmworks.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 6/5/2012 7:25 PM, Haojian Zhuang wrote: > ... > >>> mmp2-brownstone.dts is too complex since both apb& axi are imported. >>> >>> Could we only use flat structure in mmp2-brownstone.dts? >> >> >> See http://dev.laptop.org/~wmb/mmp2-devicetree/mmp2-brownstone-flat.dts >> >> > > My meaning is mmp2-brownstone-flat.dts + mmp2.dtsi. Is it acceptable? > No, you must use mmp2-brownstone.dts with mmp2.dtsi . The position of the uart , twsi, and rtc nodes must agree in both cases. Do you have a use case where exposing the AXI and APB bus levels is helpful? From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mitch Bradley Subject: Re: [PATCH v2 8/9] ARM: dts: refresh dts file for arch mmp Date: Wed, 06 Jun 2012 06:22:57 -1000 Message-ID: <4FCF83E1.9060000@firmworks.com> References: <1336134626-12262-1-git-send-email-haojian.zhuang@gmail.com> <1336134626-12262-9-git-send-email-haojian.zhuang@gmail.com> <87d35ezkm1.fsf@laptop.org> <201206060128.28167.arnd@arndb.de> <4FCEB694.8080904@firmworks.com> <4FCEE91F.1030308@firmworks.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org Sender: "devicetree-discuss" To: Haojian Zhuang Cc: linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org, devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org, eric.y.miao-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, Chris Ball , linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org List-Id: devicetree@vger.kernel.org On 6/5/2012 7:25 PM, Haojian Zhuang wrote: > ... > >>> mmp2-brownstone.dts is too complex since both apb& axi are imported. >>> >>> Could we only use flat structure in mmp2-brownstone.dts? >> >> >> See http://dev.laptop.org/~wmb/mmp2-devicetree/mmp2-brownstone-flat.dts >> >> > > My meaning is mmp2-brownstone-flat.dts + mmp2.dtsi. Is it acceptable? > No, you must use mmp2-brownstone.dts with mmp2.dtsi . The position of the uart , twsi, and rtc nodes must agree in both cases. Do you have a use case where exposing the AXI and APB bus levels is helpful?