diff mbox series

[v2,3/4] arm64: dts: allwinner: h6: Add IOMMU

Message ID 435c75d9cbccbf32f501ea897775351a73e065f7.1582222496.git-series.maxime@cerno.tech (mailing list archive)
State New, archived
Headers show
Series iommu: Add Allwinner H6 IOMMU driver | expand

Commit Message

Maxime Ripard Feb. 20, 2020, 6:15 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 | 10 ++++++++++
 1 file changed, 10 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 3329283e38ab..2d0777ad39aa 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
@@ -131,6 +131,7 @@ 
 				clock-names = "bus",
 					      "mod";
 				resets = <&display_clocks RST_MIXER0>;
+				iommus = <&iommu 0>;
 
 				ports {
 					#address-cells = <1>;
@@ -370,6 +371,15 @@ 
 			#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";