2023-09-25 21:30:46

by Alexandre Mergnat

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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 <[email protected]>
Reviewed-by: AngeloGioacchino Del Regno <[email protected]>
Signed-off-by: Alexandre Mergnat <[email protected]>
---
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@10200a80 {
reg = <0 0x10200a80 0 0x20>;
};

+ iommu: iommu@10205000 {
+ 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@1020e000 {
compatible = "mediatek,mt8365-infracfg", "syscon";
reg = <0 0x1020e000 0 0x1000>;

--
2.25.1