From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lee Jones Subject: Re: [PATCH v4 2/2] dt: power: st: Provide bindings for ST's OPPs Date: Tue, 11 Aug 2015 10:30:39 +0100 Message-ID: <20150811093039.GA18282@x1> References: <20150728022936.GB1229@linux> <20150728225510.GB3159@codeaurora.org> <20150729081403.GH2284@x1> <20150729221526.GE3159@codeaurora.org> <20150730084634.GD9319@x1> <20150731163715.GV3159@codeaurora.org> <20150803034642.GV899@linux> <20150810132247.GH3249@x1> <20150811080023.GB5509@linux> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Content-Disposition: inline In-Reply-To: <20150811080023.GB5509@linux> Sender: linux-pm-owner@vger.kernel.org To: Viresh Kumar Cc: Stephen Boyd , Rob Herring , Nishanth Menon , kernel@stlinux.com, "linux-pm@vger.kernel.org" , Dmitry Eremin-Solenikov , Rafael Wysocki , "linux-kernel@vger.kernel.org" , Sebastian Reichel , "devicetree@vger.kernel.org" , Arnd Bergmann , Ajit Pal Singh , "linux-arm-kernel@lists.infradead.org" List-Id: devicetree@vger.kernel.org On Tue, 11 Aug 2015, Viresh Kumar wrote: > On 10-08-15, 14:22, Lee Jones wrote: > > > Optional properties: > > > +- opp-cuts: One or more strings, describing the versions of hard= ware the OPPs > > > + can support. > >=20 > > This isn't very generic. > >=20 > > I'm guessing some vendors my have quite a few ways to differentiate > > between board versions/revisions/cuts etc. > >=20 > > How about another array where a vendor can choose to identify a pie= ce > > of hardware however they see fit. > >=20 > > Example 1 (simple version): > >=20 > > /* Version 1 */ > > opp-version =3D <1>; > >=20 > > Example 2 (using the kernel's versioning): > >=20 > > /* 2.6.32-rc1 */ > > opp-version =3D <2 6 32 1>; > >=20 > > Example 3 (using ST's versioning): > >=20 > > /* Major 2, Minor 0, Cut 2, All substrates */ > > opp-version =3D <2 0 2 0xff>; >=20 > But how will we parse this with generic code ? Why would you want to? --=20 Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org =E2=94=82 Open source software for ARM SoCs =46ollow Linaro: Facebook | Twitter | Blog