Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754157AbaJ1Odl (ORCPT ); Tue, 28 Oct 2014 10:33:41 -0400 Received: from gloria.sntech.de ([95.129.55.99]:35593 "EHLO gloria.sntech.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752001AbaJ1Odj (ORCPT ); Tue, 28 Oct 2014 10:33:39 -0400 From: Heiko =?ISO-8859-1?Q?St=FCbner?= To: Daniel Kurtz Cc: Joerg Roedel , Grant Grundler , =?ISO-8859-1?Q?St=E9phane?= Marchesin , Simon Xue , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Randy Dunlap , Doug Anderson , "open list:OPEN FIRMWARE AND..." , "open list:DOCUMENTATION" , open list Subject: Re: [PATCH v6 2/3] dt-bindings: iommu: Add documentation for rockchip iommu Date: Tue, 28 Oct 2014 15:36:21 +0100 Message-ID: <1857030.bPXkUHlXFx@diego> User-Agent: KMail/4.12.4 (Linux/3.13-1-amd64; KDE/4.13.3; x86_64; ; ) In-Reply-To: <1414413448-15819-3-git-send-email-djkurtz@chromium.org> References: <1414413448-15819-1-git-send-email-djkurtz@chromium.org> <1414413448-15819-3-git-send-email-djkurtz@chromium.org> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am Montag, 27. Oktober 2014, 20:37:27 schrieb Daniel Kurtz: > Add binding documentation for Rockchip IOMMU. > > Signed-off-by: Daniel Kurtz > Signed-off-by: Simon Xue Reviewed-by: Heiko Stuebner > --- > .../devicetree/bindings/iommu/rockchip,iommu.txt | 26 > ++++++++++++++++++++++ 1 file changed, 26 insertions(+) > create mode 100644 > Documentation/devicetree/bindings/iommu/rockchip,iommu.txt > > diff --git a/Documentation/devicetree/bindings/iommu/rockchip,iommu.txt > b/Documentation/devicetree/bindings/iommu/rockchip,iommu.txt new file mode > 100644 > index 0000000..9a55ac3 > --- /dev/null > +++ b/Documentation/devicetree/bindings/iommu/rockchip,iommu.txt > @@ -0,0 +1,26 @@ > +Rockchip IOMMU > +============== > + > +A Rockchip DRM iommu translates io virtual addresses to physical addresses > for +its master device. Each slave device is bound to a single master > device, and +shares its clocks, power domain and irq. > + > +Required properties: > +- compatible : Should be "rockchip,iommu" > +- reg : Address space for the configuration registers > +- interrupts : Interrupt specifier for the IOMMU instance > +- interrupt-names : Interrupt name for the IOMMU instance > +- #iommu-cells : Should be <0>. This indicates the iommu is a > + "single-master" device, and needs no additional > information + to associate with its master device. See: > + Documentation/devicetree/bindings/iommu/iommu.txt > + > +Example: > + > + vopl_mmu: iommu@ff940300 { > + compatible = "rockchip,iommu"; > + reg = <0xff940300 0x100>; > + interrupts = ; > + interrupt-names = "vopl_mmu"; > + #iommu-cells = <0>; > + }; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/