From mboxrd@z Thu Jan 1 00:00:00 1970 From: prabhakar.mahadev-lad.rj@bp.renesas.com (Lad Prabhakar) Date: Wed, 5 Feb 2020 20:38:35 +0000 Subject: [cip-dev] [PATCH 4.19.y-cip 09/35] arm64: dts: renesas: r8a774b1: Tie SYS-DMAC to IPMMU-DS0/1 In-Reply-To: <1580935141-1173-1-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <1580935141-1173-1-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com> Message-ID: <1580935141-1173-10-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com> To: cip-dev@lists.cip-project.org List-Id: cip-dev.lists.cip-project.org From: Biju Das commit c65588936f4957bfca291093958bd33882c33d07 upstream. 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 Link: https://lore.kernel.org/r/1569313375-53428-7-git-send-email-biju.das at bp.renesas.com Signed-off-by: Geert Uytterhoeven Signed-off-by: Lad Prabhakar --- arch/arm64/boot/dts/renesas/r8a774b1.dtsi | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/r8a774b1.dtsi b/arch/arm64/boot/dts/renesas/r8a774b1.dtsi index 138ddb8..e562e89 100644 --- a/arch/arm64/boot/dts/renesas/r8a774b1.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a774b1.dtsi @@ -733,6 +733,14 @@ 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 at e7300000 { @@ -767,6 +775,14 @@ 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 at e7310000 { @@ -801,6 +817,14 @@ 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 at e6740000 { -- 2.7.4