linux-kernel - [PATCH v3 2/3] arm64: dts: mediatek: mt8167: add iommu node

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Message-Id: <20210406113631.2675029-2-fparent@baylibre.com>
Date:   Tue,  6 Apr 2021 13:36:29 +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 v3 2/3] arm64: dts: mediatek: mt8167: add iommu node

Add node for the MT8167's IOMMU.

Signed-off-by: Fabien Parent <fparent@...libre.com>
---
Note: This series is based on https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux.git/log/?h=v5.12-next/dts64-2

V3:
	* Removed unicode character in commit summary
V2:
	* Remove unneeded cell-index property

 arch/arm64/boot/dts/mediatek/mt8167.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8167.dtsi b/arch/arm64/boot/dts/mediatek/mt8167.dtsi
index bbddd4b22d3e..9029051624a6 100644
--- a/arch/arm64/boot/dts/mediatek/mt8167.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8167.dtsi
@@ -170,5 +170,13 @@ larb2: larb@...10000 {
 			clock-names = "apb", "smi";
 			power-domains = <&spm MT8167_POWER_DOMAIN_VDEC>;
 		};
+
+		iommu: m4u@...03000 {
+			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