From mboxrd@z Thu Jan 1 00:00:00 1970 From: robh@kernel.org (Rob Herring) Date: Mon, 21 Aug 2017 18:33:16 -0500 Subject: [PATCH v2 1/8] dt-bindings: mediatek: Add binding for mt2712 IOMMU and SMI In-Reply-To: <1503313221-26453-2-git-send-email-yong.wu@mediatek.com> References: <1503313221-26453-1-git-send-email-yong.wu@mediatek.com> <1503313221-26453-2-git-send-email-yong.wu@mediatek.com> Message-ID: <20170821233316.n3wbdafmo45fbnhe@rob-hp-laptop> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Mon, Aug 21, 2017 at 07:00:14PM +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, 10 smi-larbs. and mt2712 is also MTK IOMMU gen2 which > uses ARM Short-Descriptor translation table format. > > The mt2712 M4U-SMI HW diagram is as below: > > EMI > | > ------------------------------------ > | | > M4U0 M4U1 > | | > smi-common0 smi-common1 > | | > ------------------------- -------------------------------- > | | | | | | | | | | > | | | | | | | | | | > larb0 larb1 larb2 larb3 larb6 larb4 larb5 larb7 larb8 larb9 > disp0 vdec cam venc jpg mdp1/disp1 mdp2/disp2 mdp3 vdo/nr tvd > > All the connections are HW fixed, SW can NOT adjust it. > > Signed-off-by: Yong Wu > --- > Hi Rob, > Comparing with the v1, I add larb8 and larb9 in this version. > So I don't add your ACK here. Thanks for the explanation. That's minor enough you could have kept it. Acked-by: Rob Herring > --- > .../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 | 102 +++++++++++++++++++++ > 4 files changed, 113 insertions(+), 6 deletions(-) > create mode 100644 include/dt-bindings/memory/mt2712-larb-port.h