This introduces the gpio-keys node for keys of hammerhead and pinctrl
state associated with it.
Cc: Andy Gross <andy.gross@xxxxxxxxxx>
Cc: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
Cc: David Brown <david.brown@xxxxxxxxxx>
Cc: Rob Herring <robh+dt@xxxxxxxxxx>
Cc: Mark Rutland <mark.rutland@xxxxxxx>
Cc: Russell King <linux@xxxxxxxxxxxxxxx>
Cc: linux-arm-msm@xxxxxxxxxxxxxxx
Cc: linux-soc@xxxxxxxxxxxxxxx
Cc: devicetree@xxxxxxxxxxxxxxx
Signed-off-by: Bhushan Shah <bshah@xxxxxxx>
---
.../dts/qcom-msm8974-lge-nexus5-hammerhead.dts | 30 ++++++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts b/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts
index 29fa0bb..12b6a14 100644
--- a/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts
+++ b/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts
@@ -2,6 +2,7 @@
#include "qcom-pm8841.dtsi"
#include "qcom-pm8941.dtsi"
#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
/ {
@@ -252,6 +253,27 @@
status = "ok";
};
+ gpio-keys {
+ compatible = "gpio-keys";
+ input-name = "gpio-keys";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&gpio_keys_pin_a>;
+
+ volume-up {
+ label = "volume_up";
+ gpios = <&pm8941_gpios 2 GPIO_ACTIVE_LOW>;
+ linux,input-type = <1>;
+ linux,code = <KEY_VOLUMEUP>;
+ };
+
+ volume-down {
+ label = "volume_down";
+ gpios = <&pm8941_gpios 3 GPIO_ACTIVE_LOW>;
+ linux,input-type = <1>;
+ linux,code = <KEY_VOLUMEDOWN>;
+ };
+ };
};
&spmi_bus {
@@ -261,6 +283,14 @@
pins = "gpio21";
function = "normal";
};
+
+ gpio_keys_pin_a: gpio-keys-active {
+ pins = "gpio2", "gpio3";
+ function = "normal";
+
+ bias-pull-up;
+ power-source = <PM8941_GPIO_S3>;
+ };
};
};
};
--
2.9.0
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