From mboxrd@z Thu Jan 1 00:00:00 1970 From: Krishna Reddy Subject: [PATCH v4 5/6] arm64: tegra: Add DT node for T194 SMMU Date: Wed, 30 Oct 2019 17:07:16 -0700 Message-ID: <1572480437-28449-6-git-send-email-vdumpa@nvidia.com> References: <1572480437-28449-1-git-send-email-vdumpa@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1572480437-28449-1-git-send-email-vdumpa@nvidia.com> Sender: linux-kernel-owner@vger.kernel.org Cc: joro@8bytes.org, will@kernel.org, robin.murphy@arm.com, linux-arm-kernel@lists.infradead.org, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org, treding@nvidia.com, yhsu@nvidia.com, snikam@nvidia.com, praithatha@nvidia.com, talho@nvidia.com, avanbrunt@nvidia.com, bbiswas@nvidia.com, olof@lixom.net, jtukkinen@nvidia.com, mperttunen@nvidia.com, nicolinc@nvidia.com, Krishna Reddy List-Id: linux-tegra@vger.kernel.org Add DT node for T194 SMMU to enable SMMU support. Signed-off-by: Krishna Reddy --- arch/arm64/boot/dts/nvidia/tegra194.dtsi | 77 ++++++++++++++++++++++++++++++++ 1 file changed, 77 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi index 1e0b54b..6f81e90 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi @@ -1436,6 +1436,83 @@ 0x82000000 0x0 0x40000000 0x1f 0x40000000 0x0 0xc0000000>; /* non-prefetchable memory (3GB) */ }; + smmu: iommu@12000000 { + compatible = "arm,mmu-500","nvidia,tegra194-smmu"; + reg = <0 0x12000000 0 0x800000>, + <0 0x11000000 0 0x800000>, + <0 0x10000000 0 0x800000>; + interrupts = , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + ; + stream-match-mask = <0x7f80>; + #global-interrupts = <3>; + #iommu-cells = <1>; + }; + sysram@40000000 { compatible = "nvidia,tegra194-sysram", "mmio-sram"; reg = <0x0 0x40000000 0x0 0x50000>; -- 2.7.4