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@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20251205150234.2958140-7-cosmin-gabriel.tanislav.xa@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

diff --git a/arch/arm64/boot/dts/renesas/r9a09g087.dtsi b/arch/arm64/boot/dts/renesas/r9a09g087.dtsi
index 804970bf745fac5a5bcccba1e92815c1e218c1a3..bb46a936eb4d10a0f73eb9288cb3f9e94a53e0aa 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r9a09g087.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a09g087.dtsi
@@ -1038,6 +1038,9 @@
                        gpio-controller;
                        #gpio-cells = <2>;
                        gpio-ranges = <&pinctrl 0 0 280>;
+                       #interrupt-cells = <2>;
+                       interrupt-controller;
+                       interrupt-parent = <&icu>;
                        power-domains = <&cpg>;
                };