linux-kernel - [PATCH 4/5] arm64: dts: mediatek: mt8167: add iommu node

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Date:   Mon,  5 Apr 2021 22:08:20 +0200
From:   Fabien Parent <fparent@...libre.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>
Cc:     mkorpershoek@...libre.com, Fabien Parent <fparent@...libre.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH 4/5] arm64: dts: mediatek: mt8167: add iommu node

Add node for the MT8167's IOMMU.

Signed-off-by: Fabien Parent <fparent@...libre.com>
---
 arch/arm64/boot/dts/mediatek/mt8167.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8167.dtsi b/arch/arm64/boot/dts/mediatek/mt8167.dtsi
index 9b352031c5f6..3ba03ca749b2 100644
--- a/arch/arm64/boot/dts/mediatek/mt8167.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8167.dtsi
@@ -173,5 +173,14 @@ larb2: larb@...10000 {
 			clock-names = "apb", "smi";
 			power-domains = <&spm MT8167_POWER_DOMAIN_VDEC>;
 		};
+
+		iommu: m4u@...03000 {
+			cell-index = <0>;
+			compatible = "mediatek,mt8167-m4u";
+			reg = <0 0x10203000 0 0x1000>;
+			mediatek,larbs = <&larb0 &larb1 &larb2>;
+			interrupts = <GIC_SPI 121 IRQ_TYPE_LEVEL_LOW>;
+			#iommu-cells = <1>;
+		};
 	};
 };
-- 
2.31.0