[PATCH v2 2/3] 📤 arm64: dts: mediatek: mt8167: add iommu node

Fabien Parent fparent at baylibre.com
Tue Apr 6 12:32:41 BST 2021


Add node for the MT8167's IOMMU.

Signed-off-by: Fabien Parent <fparent at baylibre.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

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 at 16010000 {
 			clock-names = "apb", "smi";
 			power-domains = <&spm MT8167_POWER_DOMAIN_VDEC>;
 		};
+
+		iommu: m4u at 10203000 {
+			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




More information about the Linux-mediatek mailing list