[PATCH 1/2] arm64: dts: renesas: gray-hawk-single: Add push switches

[Geert Uytterhoeven <geert+renesas@xxxxxxxxx>]

Describe the three Push Switches on the Gray Hawk Single board, so they
can be used for user input.

Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
---
 .../dts/renesas/r8a779h0-gray-hawk-single.dts | 37 +++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts b/arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts
index ae2ad93228110905..b4fcf6c0cea26840 100644
--- a/arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts
+++ b/arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts
@@ -9,6 +9,7 @@
 /dts-v1/;
 
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
 
 #include "r8a779h0.dtsi"
 
@@ -38,6 +39,37 @@ chosen {
 		stdout-path = "serial0:921600n8";
 	};
 
+	keys {
+		compatible = "gpio-keys";
+
+		pinctrl-0 = <&keys_pins>;
+		pinctrl-names = "default";
+
+		key-1 {
+			gpios = <&gpio5 0 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_1>;
+			label = "SW47";
+			wakeup-source;
+			debounce-interval = <20>;
+		};
+
+		key-2 {
+			gpios = <&gpio5 1 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_2>;
+			label = "SW48";
+			wakeup-source;
+			debounce-interval = <20>;
+		};
+
+		key-3 {
+			gpios = <&gpio5 2 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_3>;
+			label = "SW49";
+			wakeup-source;
+			debounce-interval = <20>;
+		};
+	};
+
 	memory@48000000 {
 		device_type = "memory";
 		/* first 128MB is reserved for secure area. */
@@ -234,6 +266,11 @@ i2c0_pins: i2c0 {
 		function = "i2c0";
 	};
 
+	keys_pins: keys {
+		pins = "GP_5_0", "GP_5_1", "GP_5_2";
+		bias-pull-up;
+	};
+
 	mmc_pins: mmc {
 		groups = "mmc_data8", "mmc_ctrl", "mmc_ds";
 		function = "mmc";
-- 
2.34.1