arm64: dts: renesas: r9a09g087m44-rzn2h-evk: Add GPIO keys

The Renesas RZ/N2H Evaluation Kit has three user buttons connected to
GPIOs that can be used as input keys.

Add support for them.

Signed-off-by: Cosmin Tanislav <cosmin-gabriel.tanislav.xa@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20251205150234.2958140-9-cosmin-gabriel.tanislav.xa@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

diff --git a/arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts b/arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts
index eaf73868783b86bde70e1fc259a2506c723575ec..252f1c21ff9022d90e99ed26ff9f44acf1984bd2 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts
+++ b/arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts
@@ -7,6 +7,8 @@
 
 /dts-v1/;
 
+#include <dt-bindings/input/input.h>
+
 #include "r9a09g087m44.dtsi"
 
 /*
@@ -77,6 +79,34 @@
        model = "Renesas RZ/N2H EVK Board based on r9a09g087m44";
        compatible = "renesas,rzn2h-evk", "renesas,r9a09g087m44", "renesas,r9a09g087";
 
+       keys {
+               compatible = "gpio-keys";
+
+               key-1 {
+                       interrupts-extended = <&pinctrl RZT2H_GPIO(18, 2) IRQ_TYPE_EDGE_FALLING>;
+                       linux,code = <KEY_1>;
+                       label = "SW2";
+                       wakeup-source;
+                       debounce-interval = <20>;
+               };
+
+               key-2 {
+                       interrupts-extended = <&pinctrl RZT2H_GPIO(0, 4) IRQ_TYPE_EDGE_FALLING>;
+                       linux,code = <KEY_2>;
+                       label = "SW3";
+                       wakeup-source;
+                       debounce-interval = <20>;
+               };
+
+               key-3 {
+                       interrupts-extended = <&pinctrl RZT2H_GPIO(18, 7) IRQ_TYPE_EDGE_FALLING>;
+                       linux,code = <KEY_3>;
+                       label = "SW4";
+                       wakeup-source;
+                       debounce-interval = <20>;
+               };
+       };
+
        leds {
                compatible = "gpio-leds";