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authorSimon Horman <horms+renesas@verge.net.au>2017-11-10 14:25:51 +0100
committerSimon Horman <horms+renesas@verge.net.au>2017-11-28 09:45:15 +0100
commit0071fcd1a9598996bd0fe3d5f746de0d55d97b11 (patch)
tree763f8d82d3693717d030225e4e8602c7067de66a /arch/arm64/boot/dts/renesas/r8a77970.dtsi
parentarm64: dts: renesas: r8a77970: Add IPMMU device nodes (diff)
downloadlinux-dev-0071fcd1a9598996bd0fe3d5f746de0d55d97b11.tar.xz
linux-dev-0071fcd1a9598996bd0fe3d5f746de0d55d97b11.zip
arm64: dts: renesas: r8a77970: Tie SYS-DMAC to IPMMU-DS1
Hook up r8a77970 DMAC nodes to the IPMMU. In particular SYS-DMAC1 and SYS-DMAC2 get tied to IPMMU-DS1. Based on work for the r8a7796 by Magnus Damm. Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Diffstat (limited to 'arch/arm64/boot/dts/renesas/r8a77970.dtsi')
-rw-r--r--arch/arm64/boot/dts/renesas/r8a77970.dtsi8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/r8a77970.dtsi b/arch/arm64/boot/dts/renesas/r8a77970.dtsi
index 5f73ee2dfd6d..108c6159c847 100644
--- a/arch/arm64/boot/dts/renesas/r8a77970.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77970.dtsi
@@ -224,6 +224,10 @@
resets = <&cpg 218>;
#dma-cells = <1>;
dma-channels = <8>;
+ iommus = <&ipmmu_ds1 0>, <&ipmmu_ds1 1>,
+ <&ipmmu_ds1 2>, <&ipmmu_ds1 3>,
+ <&ipmmu_ds1 4>, <&ipmmu_ds1 5>,
+ <&ipmmu_ds1 6>, <&ipmmu_ds1 7>;
};
dmac2: dma-controller@e7310000 {
@@ -248,6 +252,10 @@
resets = <&cpg 217>;
#dma-cells = <1>;
dma-channels = <8>;
+ iommus = <&ipmmu_ds1 16>, <&ipmmu_ds1 17>,
+ <&ipmmu_ds1 18>, <&ipmmu_ds1 19>,
+ <&ipmmu_ds1 20>, <&ipmmu_ds1 21>,
+ <&ipmmu_ds1 22>, <&ipmmu_ds1 23>;
};
hscif0: serial@e6540000 {