Thread (15 messages) 15 messages, 4 authors, 2023-03-30
STALE1211d

[PATCH RESEND 6/6] arm64: dts: mediatek: add iommu support for mt8365 SoC

From: Alexandre Mergnat <hidden>
Date: 2023-03-29 09:52:58
Also in: linux-arm-kernel, linux-mediatek, lkml
Subsystem: arm/mediatek soc support, the rest · Maintainers: Matthias Brugger, AngeloGioacchino Del Regno, Linus Torvalds

Add iommu support in the SoC DTS using the 4 local arbiters (LARBs)

Signed-off-by: Alexandre Mergnat <redacted>
---
 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 db0b897f58bb..c713471c59dc 100644
--- a/arch/arm64/boot/dts/mediatek/mt8365.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8365.dtsi
@@ -456,6 +456,14 @@ 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
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