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