From mboxrd@z Thu Jan 1 00:00:00 1970 From: Feng Kan Subject: Re: [PATCH V2 1/6] Documentation: add dts binding for X-Gene reboot dts node. Date: Tue, 14 Jan 2014 10:35:33 -0800 Message-ID: References: <1389135041-16062-1-git-send-email-fkan@apm.com> <201401132043.52491.arnd@arndb.de> <201401140706.13406.arnd@arndb.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Return-path: In-Reply-To: <201401140706.13406.arnd@arndb.de> Sender: linux-acpi-owner@vger.kernel.org To: Arnd Bergmann Cc: "linux-arm-kernel@lists.infradead.org" , Mark Rutland , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-acpi@vger.kernel.org" List-Id: devicetree@vger.kernel.org On Mon, Jan 13, 2014 at 10:06 PM, Arnd Bergmann wrote: > On Tuesday 14 January 2014, Feng Kan wrote: >> >> > >> > Is this related to the standard ARM SCU that manages multiprocessor >> > systems, or a different unit that uses the same name? >> >> FKAN: You mean the snoop control unit in ARM. This is different from >> that, the main function of this unit is clk control. > > Hmm, if it's *mainly* used for clocks, you may actually just want to > have a driver in drivers/clk for it that also performs a few of the > other things on the side. > FKAN: there among other thing, reset controls, fuse id's and deep sleep resume registers... I like your idea of using syscon, we can have a node for SCU and then the specific driver to parse out the needed chunk to use. > Arnd