From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Herring Subject: Re: [PATCH v3 06/25] docs: Xen ARM DT bindings Date: Mon, 27 Aug 2012 18:03:52 -0500 Message-ID: <503BFCD8.5090804@gmail.com> References: <1345131377-14713-6-git-send-email-stefano.stabellini@eu.citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1345131377-14713-6-git-send-email-stefano.stabellini@eu.citrix.com> Sender: linux-kernel-owner@vger.kernel.org To: Stefano Stabellini Cc: linux-kernel@vger.kernel.org, xen-devel@lists.xensource.com, linaro-dev@lists.linaro.org, Ian.Campbell@citrix.com, arnd@arndb.de, konrad.wilk@oracle.com, catalin.marinas@arm.com, devicetree-discuss@lists.ozlabs.org, tim@xen.org, David Vrabel , linux-arm-kernel@lists.infradead.org List-Id: xen-devel@lists.xenproject.org On 08/16/2012 10:35 AM, Stefano Stabellini wrote: > Add a doc to describe the Xen ARM device tree bindings > > Signed-off-by: Stefano Stabellini > CC: devicetree-discuss@lists.ozlabs.org > CC: David Vrabel > --- > 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..ec6d884 > --- /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. You should look at ePAPR 1.1 which defines hypervisor related bindings. While it is a PPC doc, we should reuse or extend what makes sense. See section 7.5: https://www.power.org/resources/downloads/Power_ePAPR_APPROVED_v1.1.pdf Rob > + > + > +Example: > + > +hypervisor { > + compatible = "xen,xen", "xen,xen-4.3"; > + reg = <0xb0000000 0x20000>; > + interrupts = <1 15 0xf08>; > +}; >