Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752984AbdHQPgA (ORCPT ); Thu, 17 Aug 2017 11:36:00 -0400 Received: from mail-yw0-f195.google.com ([209.85.161.195]:37563 "EHLO mail-yw0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751620AbdHQPf6 (ORCPT ); Thu, 17 Aug 2017 11:35:58 -0400 Date: Thu, 17 Aug 2017 10:33:41 -0500 From: Rob Herring To: Yong Wu Cc: Joerg Roedel , Matthias Brugger , Robin Murphy , Will Deacon , Daniel Kurtz , Tomasz Figa , Mark Rutland , Catalin Marinas , linux-mediatek@lists.infradead.org, srv_heupstream@mediatek.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, iommu@lists.linux-foundation.org, arnd@arndb.de, honghui.zhang@mediatek.com, k.zhang@mediatek.com, cloud.chou@mediatek.com, Arvind Yadav , youlin.pei@mediatek.com Subject: Re: [PATCH 1/8] dt-bindings: mediatek: Add binding for mt2712 IOMMU and SMI Message-ID: <20170817153220.52mt3jjgyktydeln@rob-hp-laptop> References: <1502445377-26936-1-git-send-email-yong.wu@mediatek.com> <1502445377-26936-2-git-send-email-yong.wu@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1502445377-26936-2-git-send-email-yong.wu@mediatek.com> User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1574 Lines: 38 On Fri, Aug 11, 2017 at 05:56:10PM +0800, Yong Wu wrote: > This patch adds decriptions for mt2712 IOMMU and SMI. > > In order to balance the bandwidth, mt2712 has two M4Us, two > smi-commons, 8 smi-larbs. and mt2712 is also MTK IOMMU gen2 which > use Short-Descriptor translation table format. s/use/uses/ > > The mt2712 M4U-SMI HW diagram is as below: > > EMI > | > ------------------------------- > | | > M4U0 M4U1 > | | > smi-common0 smi-common1 > | | > ------------------------- -------------------- > | | | | | | | | > | | | | | | | | > larb0 larb1 larb2 larb3 larb6 larb4 larb5 larb7 > disp0 vdec cam venc jpg mdp1/disp1 mdp2/disp2 mdp3->larb names > > All the connections are HW fixed, SW can NOT adjust it. > > Signed-off-by: Yong Wu > --- > .../devicetree/bindings/iommu/mediatek,iommu.txt | 6 +- > .../memory-controllers/mediatek,smi-common.txt | 6 +- > .../memory-controllers/mediatek,smi-larb.txt | 5 +- > include/dt-bindings/memory/mt2712-larb-port.h | 91 ++++++++++++++++++++++ > 4 files changed, 102 insertions(+), 6 deletions(-) > create mode 100644 include/dt-bindings/memory/mt2712-larb-port.h Acked-by: Rob Herring