linux-kernel - [PATCH 6/8] arm64: dts: renesas: r9a09g087: add GPIO IRQ support

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Message-ID: <20251121112626.1395565-7-cosmin-gabriel.tanislav.xa@renesas.com>
Date: Fri, 21 Nov 2025 13:26:24 +0200
From: Cosmin Tanislav <cosmin-gabriel.tanislav.xa@...esas.com>
To: Geert Uytterhoeven <geert+renesas@...der.be>,
	Linus Walleij <linus.walleij@...aro.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Magnus Damm <magnus.damm@...il.com>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Cc: linux-renesas-soc@...r.kernel.org,
	linux-gpio@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Cosmin Tanislav <cosmin-gabriel.tanislav.xa@...esas.com>
Subject: [PATCH 6/8] arm64: dts: renesas: r9a09g087: add GPIO IRQ support

The Renesas RZ/N2H (R9A09G087) SoC includes pins which can be routed via
the ICU to generate interrupts.

Add support for using the pin controller as an interrupt chip.

Signed-off-by: Cosmin Tanislav <cosmin-gabriel.tanislav.xa@...esas.com>
---
 arch/arm64/boot/dts/renesas/r9a09g087.dtsi | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r9a09g087.dtsi b/arch/arm64/boot/dts/renesas/r9a09g087.dtsi
index 6b5693e5c1f9..19475c72017f 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g087.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a09g087.dtsi
@@ -948,6 +948,9 @@ pinctrl: pinctrl@...c0000 {
 			gpio-controller;
 			#gpio-cells = <2>;
 			gpio-ranges = <&pinctrl 0 0 280>;
+			#interrupt-cells = <2>;
+			interrupt-controller;
+			interrupt-parent = <&icu>;
 			power-domains = <&cpg>;
 		};
 
-- 
2.52.0