From 41e60d92c88c0085511b38077dad2939bf63ddfc Mon Sep 17 00:00:00 2001 From: Lad Prabhakar Date: Tue, 25 Nov 2025 22:45:33 +0000 Subject: [PATCH] arm64: dts: renesas: r9a09g056n48-rzv2n-evk: Add NMI wakeup button support Add support for the NMI connected user pushbutton on the RZ/V2N EVK. The button is wired to the SoC NMI input and can be used to wake the system from low-power states. Signed-off-by: Lad Prabhakar Reviewed-by: Geert Uytterhoeven Link: https://patch.msgid.link/20251125224533.294235-5-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven --- .../boot/dts/renesas/r9a09g056n48-rzv2n-evk.dts | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/r9a09g056n48-rzv2n-evk.dts b/arch/arm64/boot/dts/renesas/r9a09g056n48-rzv2n-evk.dts index 89154875bb33d..9af50198d2f11 100644 --- a/arch/arm64/boot/dts/renesas/r9a09g056n48-rzv2n-evk.dts +++ b/arch/arm64/boot/dts/renesas/r9a09g056n48-rzv2n-evk.dts @@ -8,6 +8,7 @@ /dts-v1/; #include +#include #include "r9a09g056.dtsi" / { @@ -44,6 +45,18 @@ }; }; + keys: keys { + compatible = "gpio-keys"; + + key-wakeup { + interrupts-extended = <&icu 0 IRQ_TYPE_EDGE_FALLING>; + linux,code = ; + label = "NMI_SW"; + debounce-interval = <20>; + wakeup-source; + }; + }; + memory@48000000 { device_type = "memory"; /* first 128MB is reserved for secure area. */ -- 2.47.3