[PATCH] arm64: dts: renesas: r8a779g0: Add MSI cells to GICv3 ITS

From: Marek Vasut

Date: Tue Sep 08 2026 - 12:41:02 EST


Fill in missing #msi-cells = <1> into the GIC ITS node, update
its-parent phandles and fill in 1:1 msi-map .

Fixes: 7fe73a3a3f2c ("arm64: dts: renesas: r8a779g0: Add GICv3 ITS and update PCIe nodes")
Signed-off-by: Marek Vasut <marek.vasut+renesas@xxxxxxxxxxx>
---
Cc: Conor Dooley <conor+dt@xxxxxxxxxx>
Cc: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
Cc: Krzysztof Kozlowski <krzk+dt@xxxxxxxxxx>
Cc: Rob Herring <robh@xxxxxxxxxx>
Cc: devicetree@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Cc: linux-renesas-soc@xxxxxxxxxxxxxxx
---
arch/arm64/boot/dts/renesas/r8a779g0.dtsi | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/renesas/r8a779g0.dtsi b/arch/arm64/boot/dts/renesas/r8a779g0.dtsi
index ea6495261c2bb..ca17bfbf83fdf 100644
--- a/arch/arm64/boot/dts/renesas/r8a779g0.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779g0.dtsi
@@ -809,7 +809,8 @@ pciec0: pcie@e65d0000 {
resets = <&cpg 624>;
reset-names = "pwr";
max-link-speed = <4>;
- msi-parent = <&its>;
+ msi-parent = <&its 0>;
+ msi-map = <0x0 &its 0x0 0x10000>;
num-lanes = <2>;
#address-cells = <3>;
#size-cells = <2>;
@@ -857,7 +858,8 @@ pciec1: pcie@e65d8000 {
resets = <&cpg 625>;
reset-names = "pwr";
max-link-speed = <4>;
- msi-parent = <&its>;
+ msi-parent = <&its 0>;
+ msi-map = <0x0 &its 0x0 0x10000>;
num-lanes = <2>;
#address-cells = <3>;
#size-cells = <2>;
@@ -2165,6 +2167,7 @@ its: msi-controller@40000 {
reg = <0x0 0x40000 0x0 0x20000>;
dma-noncoherent;
msi-controller;
+ #msi-cells = <1>;
};
};

--
2.53.0