From: Magnus Damm <damm+renesas@xxxxxxxxxxxxx>
Add support for SW2 via "gpio-keys" on the R-Car V3M Eagle board.
Signed-off-by: Magnus Damm <damm+renesas@xxxxxxxxxxxxx>
---
arch/arm64/boot/dts/renesas/r8a77970-eagle.dts | 43 ++++++++++++++++++++++++
1 file changed, 43 insertions(+)
--- 0001/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
+++ work/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts 2021-06-19 19:26:28.399714892 +0900
@@ -8,6 +8,8 @@
/dts-v1/;
#include "r8a77970.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
/ {
model = "Renesas Eagle board based on r8a77970";
@@ -43,6 +45,42 @@
};
};
+ keys {
+ compatible = "gpio-keys";
+
+ pinctrl-0 = <&keys_pins>;
+ pinctrl-names = "default";
+
+ key-1 {
+ gpios = <&gpio1 21 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_1>;
+ label = "SW2-1";
+ wakeup-source;
+ debounce-interval = <20>;
+ };
+ key-2 {
+ gpios = <&gpio1 22 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_2>;
+ label = "SW2-2";
+ wakeup-source;
+ debounce-interval = <20>;
+ };
+ key-3 {
+ gpios = <&gpio1 23 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_3>;
+ label = "SW2-3";
+ wakeup-source;
+ debounce-interval = <20>;
+ };
+ key-4 {
+ gpios = <&gpio1 24 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_4>;
+ label = "SW2-4";
+ wakeup-source;
+ debounce-interval = <20>;
+ };
+ };
+
lvds-decoder {
compatible = "thine,thc63lvd1024";
@@ -196,6 +234,11 @@
function = "i2c0";
};
+ keys_pins: keys {
+ pins = "GP_1_21", "GP_1_22", "GP_1_23", "GP_1_24";
+ bias-pull-up;
+ };
+
qspi0_pins: qspi0 {
groups = "qspi0_ctrl", "qspi0_data4";
function = "qspi0";
