From: Magnus Damm <damm@xxxxxxxxxxxxx> For R-Car V3H hook up SYS-DMAC1 and SYS-DMAC2 to IPMMU-DS1 to match information in the R-Car Gen3 Rev.1.00 (April 2018) datasheet. Signed-off-by: Magnus Damm <damm@xxxxxxxxxxxxx> --- Developed on top of renesas-devel-20180914-v4.19-rc3 arch/arm64/boot/dts/renesas/r8a77980.dtsi | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) --- 0001/arch/arm64/boot/dts/renesas/r8a77980.dtsi +++ work/arch/arm64/boot/dts/renesas/r8a77980.dtsi 2018-09-17 16:56:00.550727051 +0900 @@ -924,6 +924,14 @@ resets = <&cpg 218>; #dma-cells = <1>; dma-channels = <16>; + 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>, + <&ipmmu_ds1 8>, <&ipmmu_ds1 9>, + <&ipmmu_ds1 10>, <&ipmmu_ds1 11>, + <&ipmmu_ds1 12>, <&ipmmu_ds1 13>, + <&ipmmu_ds1 14>, <&ipmmu_ds1 15>; }; dmac2: dma-controller@e7310000 { @@ -958,6 +966,14 @@ resets = <&cpg 217>; #dma-cells = <1>; dma-channels = <16>; + 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>, + <&ipmmu_ds1 24>, <&ipmmu_ds1 25>, + <&ipmmu_ds1 26>, <&ipmmu_ds1 27>, + <&ipmmu_ds1 28>, <&ipmmu_ds1 29>, + <&ipmmu_ds1 30>, <&ipmmu_ds1 31>; }; gether: ethernet@e7400000 {