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| author | Biju Das <biju.das@bp.renesas.com> | 2019-09-24 09:22:54 +0100 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2019-10-10 16:22:07 +0200 |
| commit | c65588936f4957bfca291093958bd33882c33d07 (patch) | |
| tree | 8e78cc3b0c00a557e252411400338ce967663aae /arch/arm64 | |
| parent | 966607b847142dc9866a59af9e657f09b5fdef0f (diff) | |
| download | linux-c65588936f4957bfca291093958bd33882c33d07.tar.bz2 | |
arm64: dts: renesas: r8a774b1: Tie SYS-DMAC to IPMMU-DS0/1
Hook up r8a774b1 DMAC nodes to the IPMMUs. In particular SYS-DMAC0
gets tied to IPMMU-DS0, and SYS-DMAC1 and SYS-DMAC2 get tied to IPMMU-DS1.
Based on work for the r8a7796 by Magnus Damm.
Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Link: https://lore.kernel.org/r/1569313375-53428-7-git-send-email-biju.das@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/boot/dts/renesas/r8a774b1.dtsi | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/r8a774b1.dtsi b/arch/arm64/boot/dts/renesas/r8a774b1.dtsi index c92550e3c5cd..1e00aebb4aef 100644 --- a/arch/arm64/boot/dts/renesas/r8a774b1.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a774b1.dtsi @@ -712,6 +712,14 @@ resets = <&cpg 219>; #dma-cells = <1>; dma-channels = <16>; + iommus = <&ipmmu_ds0 0>, <&ipmmu_ds0 1>, + <&ipmmu_ds0 2>, <&ipmmu_ds0 3>, + <&ipmmu_ds0 4>, <&ipmmu_ds0 5>, + <&ipmmu_ds0 6>, <&ipmmu_ds0 7>, + <&ipmmu_ds0 8>, <&ipmmu_ds0 9>, + <&ipmmu_ds0 10>, <&ipmmu_ds0 11>, + <&ipmmu_ds0 12>, <&ipmmu_ds0 13>, + <&ipmmu_ds0 14>, <&ipmmu_ds0 15>; }; dmac1: dma-controller@e7300000 { @@ -746,6 +754,14 @@ 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 { @@ -780,6 +796,14 @@ 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>; }; ipmmu_ds0: mmu@e6740000 { |