linux-kernel - [PATCH] arm64: tegra: Add iommus for AGX Orin hda node

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Date:   Tue, 30 Aug 2022 10:57:36 +0530
From:   Mohan Kumar <mkumard@...dia.com>
To:     <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <treding@...dia.com>, <jonathanh@...dia.com>, <spujar@...dia.com>
CC:     <mkumard@...dia.com>, <devicetree@...r.kernel.org>,
        <linux-tegra@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] arm64: tegra: Add iommus for AGX Orin hda node

Add iommus entry for hda node for AGX Orin platform.

Signed-off-by: Mohan Kumar <mkumard@...dia.com>
---
 arch/arm64/boot/dts/nvidia/tegra234.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra234.dtsi b/arch/arm64/boot/dts/nvidia/tegra234.dtsi
index 81a0f599685f..a1a6d703c002 100644
--- a/arch/arm64/boot/dts/nvidia/tegra234.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra234.dtsi
@@ -897,6 +897,7 @@
 			interconnects = <&mc TEGRA234_MEMORY_CLIENT_HDAR &emc>,
 					<&mc TEGRA234_MEMORY_CLIENT_HDAW &emc>;
 			interconnect-names = "dma-mem", "write";
+			iommus = <&smmu_niso0 TEGRA234_SID_HDA>;
 			status = "disabled";
 		};
 
-- 
2.17.1