diff mbox

[03/03] arm64: dts: renesas: r8a77990: Add IPMMU devices nodes

Message ID 152691391024.29667.17698981264851738340.sendpatchset@little-apple (mailing list archive)
State Changes Requested
Delegated to: Simon Horman
Headers show

Commit Message

Magnus Damm May 21, 2018, 2:45 p.m. UTC 
From: Magnus Damm <damm+renesas@opensource.se>

Add IPMMU device nodes for the R-Car E3 SoC aka r8a77990.

The r8a77990 IPMMU is similar to r8a77995. Power domains are
however different but the documentation seems unclear.

As expected VC0 belongs to R8A77990_PD_A3VC however VP0
is for now assigned to R8A77990_PD_ALWAYS_ON even though
the IPMMU data sheet lists it as part of A3VP.

What I can tell A3VP is not implemented on E3 so the data
sheet probably needs an update.

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

 Developed on top of renesas-devel-20180518-v4.17-rc5

 arch/arm64/boot/dts/renesas/r8a77990.dtsi |   82 +++++++++++++++++++++++++++++
 1 file changed, 82 insertions(+)

Comments

Simon Horman May 22, 2018, 1:12 p.m. UTC | #1 
On Mon, May 21, 2018 at 11:45:10PM +0900, Magnus Damm wrote:
> From: Magnus Damm <damm+renesas@opensource.se>
> 
> Add IPMMU device nodes for the R-Car E3 SoC aka r8a77990.
> 
> The r8a77990 IPMMU is similar to r8a77995. Power domains are
> however different but the documentation seems unclear.
> 
> As expected VC0 belongs to R8A77990_PD_A3VC however VP0
> is for now assigned to R8A77990_PD_ALWAYS_ON even though
> the IPMMU data sheet lists it as part of A3VP.
> 
> What I can tell A3VP is not implemented on E3 so the data
> sheet probably needs an update.
> 
> Signed-off-by: Magnus Damm <damm+renesas@opensource.se>
> ---
> 
>  Developed on top of renesas-devel-20180518-v4.17-rc5
> 
>  arch/arm64/boot/dts/renesas/r8a77990.dtsi |   82 +++++++++++++++++++++++++++++
>  1 file changed, 82 insertions(+)

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

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

Patch

--- 0001/arch/arm64/boot/dts/renesas/r8a77990.dtsi
+++ work/arch/arm64/boot/dts/renesas/r8a77990.dtsi	2018-05-21 22:44:00.350607110 +0900
@@ -7,6 +7,7 @@ 
 
 #include <dt-bindings/clock/renesas-cpg-mssr.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/power/r8a77990-sysc.h>
 
 / {
 	compatible = "renesas,r8a77990";
@@ -191,6 +192,87 @@ 
 			#power-domain-cells = <1>;
 		};
 
+		ipmmu_ds0: mmu@e6740000 {
+			compatible = "renesas,ipmmu-r8a77990";
+			reg = <0 0xe6740000 0 0x1000>;
+			renesas,ipmmu-main = <&ipmmu_mm 0>;
+			power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
+			#iommu-cells = <1>;
+		};
+
+		ipmmu_ds1: mmu@e7740000 {
+			compatible = "renesas,ipmmu-r8a77990";
+			reg = <0 0xe7740000 0 0x1000>;
+			renesas,ipmmu-main = <&ipmmu_mm 1>;
+			power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
+			#iommu-cells = <1>;
+		};
+
+		ipmmu_hc: mmu@e6570000 {
+			compatible = "renesas,ipmmu-r8a77990";
+			reg = <0 0xe6570000 0 0x1000>;
+			renesas,ipmmu-main = <&ipmmu_mm 2>;
+			power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
+			#iommu-cells = <1>;
+		};
+
+		ipmmu_mm: mmu@e67b0000 {
+			compatible = "renesas,ipmmu-r8a77990";
+			reg = <0 0xe67b0000 0 0x1000>;
+			interrupts = <GIC_SPI 196 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 197 IRQ_TYPE_LEVEL_HIGH>;
+			power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
+			#iommu-cells = <1>;
+		};
+
+		ipmmu_mp: mmu@ec670000 {
+			compatible = "renesas,ipmmu-r8a77990";
+			reg = <0 0xec670000 0 0x1000>;
+			renesas,ipmmu-main = <&ipmmu_mm 4>;
+			power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
+			#iommu-cells = <1>;
+		};
+
+		ipmmu_pv0: mmu@fd800000 {
+			compatible = "renesas,ipmmu-r8a77990";
+			reg = <0 0xfd800000 0 0x1000>;
+			renesas,ipmmu-main = <&ipmmu_mm 6>;
+			power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
+			#iommu-cells = <1>;
+		};
+
+		ipmmu_rt: mmu@ffc80000 {
+			compatible = "renesas,ipmmu-r8a77990";
+			reg = <0 0xffc80000 0 0x1000>;
+			renesas,ipmmu-main = <&ipmmu_mm 10>;
+			power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
+			#iommu-cells = <1>;
+		};
+
+		ipmmu_vc0: mmu@fe6b0000 {
+			compatible = "renesas,ipmmu-r8a77990";
+			reg = <0 0xfe6b0000 0 0x1000>;
+			renesas,ipmmu-main = <&ipmmu_mm 12>;
+			power-domains = <&sysc R8A77990_PD_A3VC>;
+			#iommu-cells = <1>;
+		};
+
+		ipmmu_vi0: mmu@febd0000 {
+			compatible = "renesas,ipmmu-r8a77990";
+			reg = <0 0xfebd0000 0 0x1000>;
+			renesas,ipmmu-main = <&ipmmu_mm 14>;
+			power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
+			#iommu-cells = <1>;
+		};
+
+		ipmmu_vp0: mmu@fe990000 {
+			compatible = "renesas,ipmmu-r8a77990";
+			reg = <0 0xfe990000 0 0x1000>;
+			renesas,ipmmu-main = <&ipmmu_mm 16>;
+			power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
+			#iommu-cells = <1>;
+		};
+
 		avb: ethernet@e6800000 {
 			compatible = "renesas,etheravb-r8a77990",
 				     "renesas,etheravb-rcar-gen3";