From: Nikita Travkin <nikitos.tr@xxxxxxxxx> Add nodes for Volume UP button connected to GPIO and Volume DOWN button, which is handled by the pm8916 as is common with msm8916 devices. Signed-off-by: Nikita Travkin <nikitos.tr@xxxxxxxxx> --- .../boot/dts/qcom/msm8916-longcheer-l8150.dts | 41 +++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/msm8916-longcheer-l8150.dts b/arch/arm64/boot/dts/qcom/msm8916-longcheer-l8150.dts index e4d467e7dedb..d1ccb9472c8b 100644 --- a/arch/arm64/boot/dts/qcom/msm8916-longcheer-l8150.dts +++ b/arch/arm64/boot/dts/qcom/msm8916-longcheer-l8150.dts @@ -5,6 +5,7 @@ #include "msm8916.dtsi" #include "pm8916.dtsi" #include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/input/input.h> / { model = "Longcheer L8150"; @@ -113,9 +114,36 @@ pinctrl-names = "default"; pinctrl-0 = <&usb_vbus_default>; }; + + gpio-keys { + compatible = "gpio-keys"; + + pinctrl-names = "default"; + pinctrl-0 = <&gpio_keys_default>; + + label = "GPIO Buttons"; + + volume-up { + label = "Volume Up"; + gpios = <&msmgpio 107 GPIO_ACTIVE_LOW>; + linux,code = <KEY_VOLUMEUP>; + }; + }; }; &msmgpio { + gpio_keys_default: gpio_keys_default { + pinmux { + function = "gpio"; + pins = "gpio107"; + }; + pinconf { + pins = "gpio107"; + drive-strength = <2>; + bias-pull-up; + }; + }; + usb_vbus_default: usb-vbus-default { pinmux { function = "gpio"; @@ -128,6 +156,19 @@ }; }; +&spmi_bus { + pm8916@0 { + pon@800 { + volume-down { + compatible = "qcom,pm8941-resin"; + interrupts = <0x0 0x8 1 IRQ_TYPE_EDGE_BOTH>; + bias-pull-up; + linux,code = <KEY_VOLUMEDOWN>; + }; + }; + }; +}; + &smd_rpm_regulators { vdd_l1_l2_l3-supply = <&pm8916_s3>; vdd_l4_l5_l6-supply = <&pm8916_s4>; -- 2.19.1