From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: [PATCH v4 06/24] docs: Xen ARM DT bindings Date: Fri, 14 Sep 2012 09:01:51 -0400 Message-ID: <20120914130151.GH25249@phenom.dumpdata.com> References: <1347621207-11294-6-git-send-email-stefano.stabellini@eu.citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <1347621207-11294-6-git-send-email-stefano.stabellini-mvvWK6WmYclDPfheJLI6IQ@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linaro-dev-bounces-cunTk1MwBs8s++Sfvej+rw@public.gmane.org Errors-To: linaro-dev-bounces-cunTk1MwBs8s++Sfvej+rw@public.gmane.org To: Stefano Stabellini Cc: Dave Martin , xen-devel-GuqFBffKawuULHF6PoxzQEEOCMrvLtNR@public.gmane.org, linaro-dev-cunTk1MwBs8s++Sfvej+rw@public.gmane.org, Ian.Campbell-Sxgqhf6Nn4DQT0dZR+AlfA@public.gmane.org, arnd-r2nGTMty4D4@public.gmane.org, catalin.marinas-5wv7dgnIgG8@public.gmane.org, devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org, tim-LM2mM/qkH7s@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, David Vrabel , linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org List-Id: devicetree@vger.kernel.org On Fri, Sep 14, 2012 at 12:13:08PM +0100, Stefano Stabellini wrote: > Add a doc to describe the Xen ARM device tree bindings > > > Changes in v4: > > - "xen,xen" should be last as it is less specific; > - update reg property using 2 address-cells and 2 size-cells. > > > Signed-off-by: Stefano Stabellini > CC: devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org > CC: David Vrabel > CC: Rob Herring > CC: Dave Martin > --- > Documentation/devicetree/bindings/arm/xen.txt | 22 ++++++++++++++++++++++ > 1 files changed, 22 insertions(+), 0 deletions(-) > create mode 100644 Documentation/devicetree/bindings/arm/xen.txt > > diff --git a/Documentation/devicetree/bindings/arm/xen.txt b/Documentation/devicetree/bindings/arm/xen.txt > new file mode 100644 > index 0000000..1f8f7d4 > --- /dev/null > +++ b/Documentation/devicetree/bindings/arm/xen.txt > @@ -0,0 +1,22 @@ > +* Xen hypervisor device tree bindings > + > +Xen ARM virtual platforms shall have the following properties: > + > +- compatible: > + compatible = "xen,xen-", "xen,xen"; > + where is the version of the Xen ABI of the platform. > + > +- reg: specifies the base physical address and size of a region in > + memory where the grant table should be mapped to, using an > + HYPERVISOR_memory_op hypercall. > + > +- interrupts: the interrupt used by Xen to inject event notifications. Its singular here.. but in the example its plurar. What if you use multiple of the same number ("16 0xf")? > + > + > +Example: > + > +hypervisor { > + compatible = "xen,xen-4.3", "xen,xen"; > + reg = <0 0xb0000000 0 0x20000>; So two grant tables? Hm, physical address is zero, and the size is 0xbignumber? Or is the '0' denotating a seperator of arguments, so it is 0xb000.. for physical address and 0x20000 for size? > + interrupts = <1 15 0xf08>; > +}; > -- > 1.7.2.5