From patchwork Wed May 14 05:53:33 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shaik Ameer Basha X-Patchwork-Id: 4172491 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id BC5A69F23C for ; Wed, 14 May 2014 05:54:46 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id CC2182035C for ; Wed, 14 May 2014 05:54:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 93A0E20254 for ; Wed, 14 May 2014 05:54:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750787AbaENFyn (ORCPT ); Wed, 14 May 2014 01:54:43 -0400 Received: from mailout1.samsung.com ([203.254.224.24]:29840 "EHLO mailout1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750781AbaENFym (ORCPT ); Wed, 14 May 2014 01:54:42 -0400 Received: from epcpsbgr1.samsung.com (u141.gpu120.samsung.co.kr [203.254.230.141]) by mailout1.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0N5J001P0V34LA70@mailout1.samsung.com>; Wed, 14 May 2014 14:54:40 +0900 (KST) Received: from epcpsbgm2.samsung.com ( [172.20.52.126]) by epcpsbgr1.samsung.com (EPCPMTA) with SMTP id 6D.B1.18501.02503735; Wed, 14 May 2014 14:54:40 +0900 (KST) X-AuditID: cbfee68d-b7f4e6d000004845-30-537305202e47 Received: from epmmp2 ( [203.254.227.17]) by epcpsbgm2.samsung.com (EPCPMTA) with SMTP id 60.62.25708.02503735; Wed, 14 May 2014 14:54:40 +0900 (KST) Received: from chromebld-server.sisodomain.com ([107.108.73.106]) by mmp2.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0N5J0064HV2XWKA0@mmp2.samsung.com>; Wed, 14 May 2014 14:54:40 +0900 (KST) From: Shaik Ameer Basha To: linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org Cc: joro@8bytes.org, arnd@arndb.de, t.figa@samsung.com, pullip.cho@samsung.com, shaik.samsung@gmail.com, Shaik Ameer Basha Subject: [PATCH] documentation/iommu: Add note on existing DT binding status Date: Wed, 14 May 2014 11:23:33 +0530 Message-id: <1400046813-15248-1-git-send-email-shaik.ameer@samsung.com> X-Mailer: git-send-email 1.7.9.5 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrBLMWRmVeSWpSXmKPExsWyRsSkTleBtTjYYO0scYu/k46xW8w/co7V YsF+a4vO2RvYLTY9vsZqcXnXHDaLGef3MVn86z3IaHHk4W52i3U7J7FbrJ/xmsWB2+PJwXlM Hr9/TWL02DnrLrvH5iX1HpNvLGf06NuyitHj8ya5APYoLpuU1JzMstQifbsEroy23yEFjzkr 1i7tYmxgnMfRxcjJISFgItHcfYMJwhaTuHBvPVsXIxeHkMBSRonj628xdzFygBU1XKqAiE9n lJh2ay0rhDOBSWJV7xJmkG42AUOJ7feugCVEBFYzSvRdPMMO4jALTGOUOH/gCRtIlbCAj8TS BbsYQWwWAVWJC8+OsXQxsnPwCrhLvLaCWKYgMWeSDUinhMAmdom5x46wQlQLSHybfIgFokZW YtMBZoijJSUOrrjBMoFRcAEjwypG0dSC5ILipPQiQ73ixNzi0rx0veT83E2MwFA//e9Z7w7G 2wesDzEmA42byCwlmpwPjJW8knhDYzMjC1MTU2Mjc0sz0oSVxHmTHiYFCQmkJ5akZqemFqQW xReV5qQWH2Jk4uCUamBk3cZefSRtglr0khPXeGqSWC7v2WZ98bnfjZb/5+8osL+Pd5mu88Fh 1Zst+bcv8Rx6mJ62UD62ZPVj7aKwr4vn3G4NDizUKnHfnLqITfj+1lj5ow8WzuTdnRuVud6q Y59/W3BimkM7YzFDSpZWcYXu/qX/q1qLoiNXbG5gWZJudtP7gl+dsokSS3FGoqEWc1FxIgAv x7xMiwIAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrKIsWRmVeSWpSXmKPExsVy+t9jQV0F1uJgg1U7eS3+TjrGbjH/yDlW iwX7rS06Z29gt9j0+BqrxeVdc9gsZpzfx2Txr/cgo8WRh7vZLdbtnMRusX7GaxYHbo8nB+cx efz+NYnRY+esu+wem5fUe0y+sZzRo2/LKkaPz5vkAtijGhhtMlITU1KLFFLzkvNTMvPSbZW8 g+Od403NDAx1DS0tzJUU8hJzU22VXHwCdN0yc4BuVFIoS8wpBQoFJBYXK+nbYZoQGuKmawHT GKHrGxIE12NkgAYS1jBmtP0OKXjMWbF2aRdjA+M8ji5GDg4JAROJhksVXYycQKaYxIV769m6 GLk4hASmM0pMu7WWFcKZwCSxqncJM0gVm4ChxPZ7V8ASIgKrGSX6Lp5hB3GYBaYxSpw/8IQN pEpYwEdi6YJdjCA2i4CqxIVnx1i6GNk5eAXcJV5bQSxWkJgzyWYCI/cCRoZVjKKpBckFxUnp uUZ6xYm5xaV56XrJ+bmbGMGR9Ex6B+OqBotDjAIcjEo8vDeci4KFWBPLiitzDzFKcDArifCW bwEK8aYkVlalFuXHF5XmpBYfYkwGWj2RWUo0OR8Y5Xkl8YbGJuamxqaWJhYmZpakCSuJ8x5s tQ4UEkhPLEnNTk0tSC2C2cLEwSnVwNh/5ElQ5cIZC01rc/UkbMP+cX08eq7kg4hlrFie680v 12cpNAvNqG/sM5mUV+4gc2Thohl+BbLLmRVCzaxVU6Y9+bNZqPH579taxtfUDk55eTRlebv4 C3629I+mK67bdZ9ZIXJcydvD7clszi/NWd6z7t/YxljpeXRrzzyfOY4zDN3+HogT+63EUpyR aKjFXFScCAD+y9qE6AIAAA== DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Spam-Status: No, score=-7.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The current dt binding for Exynos System MMU can be changed, if found incompatible with the support for "Generic IOMMU Binding". This patch adds a note to the binding documentation stating the same. Signed-off-by: Shaik Ameer Basha Acked-by: Arnd Bergmann --- .../devicetree/bindings/iommu/samsung,sysmmu.txt | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/iommu/samsung,sysmmu.txt b/Documentation/devicetree/bindings/iommu/samsung,sysmmu.txt index 15b2a2b..6fa4c73 100644 --- a/Documentation/devicetree/bindings/iommu/samsung,sysmmu.txt +++ b/Documentation/devicetree/bindings/iommu/samsung,sysmmu.txt @@ -27,6 +27,11 @@ The drivers must consider how to handle those System MMUs. One of the idea is to implement child devices or sub-devices which are the client devices of the System MMU. +Note: +The current DT binding for the Exynos System MMU is incomplete. +The following properties can be removed or changed, if found incompatible with +the "Generic IOMMU Binding" support for attaching devices to the IOMMU. + Required properties: - compatible: Should be "samsung,exynos-sysmmu" - reg: A tuple of base address and size of System MMU registers.