From: Ovidiu Panait <ovidiu.panait.rb@renesas.com>
Date: Mon, 27 Oct 2025 14:06:51 +0000 (+0000)
Subject: arm64: dts: renesas: r9a09g057h44-rzv2h-evk: Add NMI pushbutton support
X-Git-Tag: v6.19-rc1~100^2~26^2~3
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=f61c497a91c4f7f5b34e78475dafc511cdcebca6;p=thirdparty%2Fkernel%2Fstable.git

arm64: dts: renesas: r9a09g057h44-rzv2h-evk: Add NMI pushbutton support

RZ/V2H EVK has a user pushbutton connected to the SoC NMI pin, which
can be used to wake up the system from suspend to idle. Add a DT node
in the device tree to instantiate the gpio-keys driver for this button.

Signed-off-by: Ovidiu Panait <ovidiu.panait.rb@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20251027140651.18367-1-ovidiu.panait.rb@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---

diff --git a/arch/arm64/boot/dts/renesas/r9a09g057h44-rzv2h-evk.dts b/arch/arm64/boot/dts/renesas/r9a09g057h44-rzv2h-evk.dts
index 5c06bce3d5b4f..c2f343ac6465b 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g057h44-rzv2h-evk.dts
+++ b/arch/arm64/boot/dts/renesas/r9a09g057h44-rzv2h-evk.dts
@@ -9,6 +9,7 @@
 
 #include <dt-bindings/pinctrl/renesas,r9a09g057-pinctrl.h>
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
 #include "r9a09g057.dtsi"
 
 / {
@@ -34,6 +35,18 @@
 		stdout-path = "serial0:115200n8";
 	};
 
+	keys: keys {
+		compatible = "gpio-keys";
+
+		key-wakeup {
+			interrupts-extended = <&icu 0 IRQ_TYPE_EDGE_FALLING>;
+			linux,code = <KEY_WAKEUP>;
+			label = "NMI_SW";
+			debounce-interval = <20>;
+			wakeup-source;
+		};
+	};
+
 	memory@48000000 {
 		device_type = "memory";
 		/* first 128MB is reserved for secure area. */