[PATCH 3/6] ARM: dts: qcom: msm8974-klte: Add gpio-keys nodes

From: Iskren Chernev
Date: Thu Apr 09 2020 - 22:32:51 EST


From: Daniele Debernardi <drebrez@xxxxxxxxx>

This introduces the gpio-keys nodes for volume/home keys and the
associated pinctrl state.

Signed-off-by: Daniele Debernardi <drebrez@xxxxxxxxx>
---
.../boot/dts/qcom-msm8974-samsung-klte.dts | 49 +++++++++++++++++++
1 file changed, 49 insertions(+)

diff --git a/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts b/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts
index 6b184819f1ce..21335999a024 100644
--- a/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts
+++ b/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts
@@ -3,6 +3,9 @@
#include "qcom-pm8841.dtsi"
#include "qcom-pm8941.dtsi"
#include "qcom-pma8084.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>

/ {
model = "Samsung Galaxy S5";
@@ -197,4 +200,50 @@ serial@f991e000 {
status = "ok";
};

+ gpio-keys {
+ compatible = "gpio-keys";
+ input-name = "gpio-keys";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&gpio_keys_pin_a>;
+
+ volume-down {
+ label = "volume_down";
+ gpios = <&pma8084_gpios 2 GPIO_ACTIVE_LOW>;
+ linux,input-type = <1>;
+ linux,code = <KEY_VOLUMEDOWN>;
+ debounce-interval = <15>;
+ };
+
+ home-key {
+ label = "home_key";
+ gpios = <&pma8084_gpios 3 GPIO_ACTIVE_LOW>;
+ linux,input-type = <1>;
+ linux,code = <KEY_HOMEPAGE>;
+ wakeup-source;
+ debounce-interval = <15>;
+ };
+
+ volume-up {
+ label = "volume_up";
+ gpios = <&pma8084_gpios 5 GPIO_ACTIVE_LOW>;
+ linux,input-type = <1>;
+ linux,code = <KEY_VOLUMEUP>;
+ debounce-interval = <15>;
+ };
+ };
+};
+
+&spmi_bus {
+ pma8084@0 {
+ gpios@c000 {
+ gpio_keys_pin_a: gpio-keys-active {
+ pins = "gpio2", "gpio3", "gpio5";
+ function = "normal";
+
+ bias-pull-up;
+ power-source = <PMA8084_GPIO_S4>;
+ };
+ };
+ };
};
--
2.26.0