[PATCH 1/2] arm64: dts: renesas: gray-hawk-single: Add push switches
Geert Uytterhoeven
geert+renesas at glider.be
Mon Jul 22 04:55:40 PDT 2024
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 at glider.be>
---
.../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 at 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
More information about the linux-arm-kernel
mailing list