[PATCH v3 4/5] arm64: dts: allwinner: h6: Add IOMMU

Maxime Ripard maxime at cerno.tech
Tue May 5 10:09:33 UTC 2020


Now that we have a driver for the IOMMU, let's start using it.

Signed-off-by: Maxime Ripard <maxime at cerno.tech>
---
 arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
index b9ab7d8fa8af..bba64a4030e2 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
@@ -123,6 +123,7 @@
 				clock-names = "bus",
 					      "mod";
 				resets = <&display_clocks RST_MIXER0>;
+				iommus = <&iommu 0>;
 
 				ports {
 					#address-cells = <1>;
@@ -387,6 +388,15 @@
 			#interrupt-cells = <3>;
 		};
 
+		iommu: iommu at 30f0000 {
+			compatible = "allwinner,sun50i-h6-iommu";
+			reg = <0x030f0000 0x10000>;
+			interrupts = <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&ccu CLK_BUS_IOMMU>;
+			resets = <&ccu RST_BUS_IOMMU>;
+			#iommu-cells = <1>;
+		};
+
 		mmc0: mmc at 4020000 {
 			compatible = "allwinner,sun50i-h6-mmc",
 				     "allwinner,sun50i-a64-mmc";
-- 
git-series 0.9.1


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