arm64: dts: renesas: r8a7795: Add IPMMU-PV1 device node

Add r8a7795 IPMMU-PV1 and keep it disabled by default.

This device is not present in r8a7795 ES1.x and
is removed from the DT of those SoCs.

This corrects an omission in
3b7e7848f0e8 ("arm64: dts: renesas: r8a7795: Add IPMMU device nodes")

This does not have any runtime effect.

Reported-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>

diff --git a/arch/arm64/boot/dts/renesas/r8a7795-es1.dtsi b/arch/arm64/boot/dts/renesas/r8a7795-es1.dtsi
index f1d5e90..f9acd12 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a7795-es1.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a7795-es1.dtsi
@@ -23,6 +23,7 @@
 
        /delete-node/ mmu@febe0000;
        /delete-node/ mmu@fe980000;
+       /delete-node/ mmu@fd950000;
        /delete-node/ mmu@fd960000;
        /delete-node/ mmu@fd970000;
 

diff --git a/arch/arm64/boot/dts/renesas/r8a7795.dtsi b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
index 09953cd..0648fe4 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a7795.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
@@ -545,6 +545,15 @@
                        status = "disabled";
                };
 
+               ipmmu_pv1: mmu@fd950000 {
+                       compatible = "renesas,ipmmu-r8a7795";
+                       reg = <0 0xfd950000 0 0x1000>;
+                       renesas,ipmmu-main = <&ipmmu_mm 7>;
+                       power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+                       #iommu-cells = <1>;
+                       status = "disabled";
+               };
+
                ipmmu_pv2: mmu@fd960000 {
                        compatible = "renesas,ipmmu-r8a7795";
                        reg = <0 0xfd960000 0 0x1000>;