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[3/3] arm64: dts: allwinner: h6: Add IOMMU

Message ID 54e22e25c2c13cb1b73cc7ecb645b5d62f325b63.1579696927.git-series.maxime@cerno.tech
State New
Headers show
Series iommu: Add Allwinner H6 IOMMU driver | expand

Commit Message

Maxime Ripard Jan. 22, 2020, 12:44 p.m. UTC 
Now that we have a driver for the IOMMU, let's start using it.

Signed-off-by: Maxime Ripard <maxime@cerno.tech>
---
 arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 11 +++++++++++
 1 file changed, 11 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
index 29824081b43b..8608bcf1c52c 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
@@ -53,6 +53,7 @@ 
 	de: display-engine {
 		compatible = "allwinner,sun50i-h6-display-engine";
 		allwinner,pipelines = <&mixer0>;
+		iommus = <&iommu 0>;
 		status = "disabled";
 	};
 
@@ -122,6 +123,7 @@ 
 				clock-names = "bus",
 					      "mod";
 				resets = <&display_clocks RST_MIXER0>;
+				iommus = <&iommu 0>;
 
 				ports {
 					#address-cells = <1>;
@@ -345,6 +347,15 @@ 
 			#interrupt-cells = <3>;
 		};
 
+		iommu: iommu@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@4020000 {
 			compatible = "allwinner,sun50i-h6-mmc",
 				     "allwinner,sun50i-a64-mmc";