[PATCH] arm64: dts: renesas: r8a77995: Attach the SYS-DMAC to the IPMMU

[PATCH] arm64: dts: renesas: r8a77995: Attach the SYS-DMAC to the IPMMU

[Magnus Damm]

From: Magnus Damm <damm+renesas@opensource.se>

Hook up SYS-DMAC0, SYS-DMAC1 and SYS-DMAC2 to IPMMU-DS0 and IPMMU-DS1
following the R-Car Gen3 Rev.1.00 (April 2018) datasheet.

Signed-off-by: Magnus Damm <damm+renesas@opensource.se>
---

 Based on renesas-drivers-2018-07-17-v4.18-rc5

 arch/arm64/boot/dts/renesas/r8a77995.dtsi |   12 ++++++++++++
 1 file changed, 12 insertions(+)

--- 0001/arch/arm64/boot/dts/renesas/r8a77995.dtsi
+++ work/arch/arm64/boot/dts/renesas/r8a77995.dtsi	2018-07-19 19:57:01.350607110 +0900
@@ -356,6 +356,10 @@
 			resets = <&cpg 219>;
 			#dma-cells = <1>;
 			dma-channels = <8>;
+			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>;
 		};
 
 		dmac1: dma-controller@e7300000 {
@@ -380,6 +384,10 @@
 			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 {
@@ -404,6 +412,10 @@
 			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>;
 		};
 
 		ipmmu_ds0: mmu@e6740000 {

Re: [PATCH] arm64: dts: renesas: r8a77995: Attach the SYS-DMAC to the IPMMU

[Simon Horman]

On Thu, Jul 19, 2018 at 08:25:25PM +0900, Magnus Damm wrote:
> From: Magnus Damm <damm+renesas@opensource.se>
> 
> Hook up SYS-DMAC0, SYS-DMAC1 and SYS-DMAC2 to IPMMU-DS0 and IPMMU-DS1
> following the R-Car Gen3 Rev.1.00 (April 2018) datasheet.
> 
> Signed-off-by: Magnus Damm <damm+renesas@opensource.se>

Thanks Magnus,

This looks fine to me but I will wait to see if there are other reviews
before applying.

Reviewed-by: Simon Horman <horms+renesas@verge.net.au>

Re: [PATCH] arm64: dts: renesas: r8a77995: Attach the SYS-DMAC to the IPMMU

[Geert Uytterhoeven]

On Thu, Jul 19, 2018 at 1:23 PM Magnus Damm <magnus.damm@gmail.com> wrote:
> From: Magnus Damm <damm+renesas@opensource.se>
>
> Hook up SYS-DMAC0, SYS-DMAC1 and SYS-DMAC2 to IPMMU-DS0 and IPMMU-DS1
> following the R-Car Gen3 Rev.1.00 (April 2018) datasheet.
>
> Signed-off-by: Magnus Damm <damm+renesas@opensource.se>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH] arm64: dts: renesas: r8a77995: Attach the SYS-DMAC to the IPMMU

[Simon Horman]

On Fri, Jul 20, 2018 at 01:10:32PM +0200, Geert Uytterhoeven wrote:
> On Thu, Jul 19, 2018 at 1:23 PM Magnus Damm <magnus.damm@gmail.com> wrote:
> > From: Magnus Damm <damm+renesas@opensource.se>
> >
> > Hook up SYS-DMAC0, SYS-DMAC1 and SYS-DMAC2 to IPMMU-DS0 and IPMMU-DS1
> > following the R-Car Gen3 Rev.1.00 (April 2018) datasheet.
> >
> > Signed-off-by: Magnus Damm <damm+renesas@opensource.se>
> 
> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Thanks, applied for v4.20.