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Message-Id: <20230207-iommu-support-v6-7-24453c8625b3@baylibre.com>
Date: Mon, 25 Sep 2023 20:17:41 +0200
From: Alexandre Mergnat <amergnat@...libre.com>
To: Yong Wu <yong.wu@...iatek.com>,
Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Matthias Brugger <matthias.bgg@...il.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>
Cc: linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
Alexandre Mergnat <amergnat@...libre.com>
Subject: [PATCH v6 7/7] arm64: dts: mediatek: add iommu support for mt8365
SoC
Add iommu support in the SoC DTS using the 4 local arbiters (LARBs)
Reviewed-by: Yong Wu <yong.wu@...iatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Signed-off-by: Alexandre Mergnat <amergnat@...libre.com>
---
arch/arm64/boot/dts/mediatek/mt8365.dtsi | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/arm64/boot/dts/mediatek/mt8365.dtsi b/arch/arm64/boot/dts/mediatek/mt8365.dtsi
index afcfa1dd242e..24581f7410aa 100644
--- a/arch/arm64/boot/dts/mediatek/mt8365.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8365.dtsi
@@ -471,6 +471,14 @@ sysirq: interrupt-controller@...00a80 {
reg = <0 0x10200a80 0 0x20>;
};
+ iommu: iommu@...05000 {
+ compatible = "mediatek,mt8365-m4u";
+ reg = <0 0x10205000 0 0x1000>;
+ interrupts = <GIC_SPI 102 IRQ_TYPE_LEVEL_LOW>;
+ mediatek,larbs = <&larb0>, <&larb1>, <&larb2>, <&larb3>;
+ #iommu-cells = <1>;
+ };
+
infracfg_nao: infracfg@...0e000 {
compatible = "mediatek,mt8365-infracfg", "syscon";
reg = <0 0x1020e000 0 0x1000>;
--
2.25.1
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