mirrors/linux
2
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-12 18:35:35 -04:00
Code Issues Packages Projects Releases Wiki Activity

arm64: dts: allwinner: h616: add IOMMU node

Browse Source 
The Allwinner H616 contains a scatter-gather IOMMU connected to some
video related devices. It's almost compatible to the one used in the H6,
though with minor incompatibilities.

Add the DT node describing its resources, so that devices like the video
or display engine can connect to it.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Tested-by: Ryan Walklin <ryan@testtoast.com>
Link: https://lore.kernel.org/r/20240616224056.29159-6-andre.przywara@arm.com
[wens@csie.org: Move IOMMU node after GIC node for address order]
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
This commit is contained in:
Andre Przywara
2024-06-16 23:40:56 +01:00
committed by Chen-Yu Tsai
parent e1e61fe345
commit 0c85e2e377
1 changed files with 9 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi
View File

@@ -343,6 +343,15 @@ gic: interrupt-controller@3021000 {
#interrupt-cells = <3>;
};
iommu: iommu@30f0000 {
compatible = "allwinner,sun50i-h616-iommu";
reg = <0x030f0000 0x10000>;
interrupts = <GIC_SPI 61 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&ccu CLK_BUS_IOMMU>;
resets = <&ccu RST_BUS_IOMMU>;
#iommu-cells = <1>;
};
mmc0: mmc@4020000 {
compatible = "allwinner,sun50i-h616-mmc",
"allwinner,sun50i-a100-mmc";