From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
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 <prabhakar.mahadev-lad.rj@bp.renesas.com>
---
.../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 62bac7416fd1..e0d8e8d10386 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 <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
#include "r9a09g056.dtsi"
/ {
@@ -44,6 +45,18 @@ hdmi_con_out: endpoint {
};
};
+ 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. */
--
2.52.0