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arm64: dts: db820c: add support to volume up key

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This patch adds support to volume-up key found on the board.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
This commit is contained in:
Srinivas Kandagatla 2017-01-04 13:35:02 +00:00 committed by Andy Gross
parent b4dba94765
commit 3a52153975
2 changed files with 31 additions and 0 deletions
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12
arch/arm64/boot/dts/qcom/apq8096-db820c-pmic-pins.dtsi
View File

@ -12,4 +12,16 @@
power-source = <2>; // PM8994_GPIO_S4, 1.8V
};
};
volume_up_gpio: pm8996_gpio2 {
pinconf {
pins = "gpio2";
function = "normal";
input-enable;
drive-push-pull;
bias-pull-up;
qcom,drive-strength = <PMIC_GPIO_STRENGTH_NO>;
power-source = <PM8994_GPIO_S4>; // 1.8V
};
};
};

19
arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
View File

@ -15,6 +15,8 @@
#include "pm8994.dtsi"
#include "apq8096-db820c-pins.dtsi"
#include "apq8096-db820c-pmic-pins.dtsi"
#include <dt-bindings/input/input.h>
#include <dt-bindings/gpio/gpio.h>
/ {
aliases {
@ -87,4 +89,21 @@
status = "okay";
};
};
gpio_keys {
compatible = "gpio-keys";
#address-cells = <1>;
#size-cells = <0>;
autorepeat;
pinctrl-names = "default";
pinctrl-0 = <&volume_up_gpio>;
button@0 {
label = "Volume Up";
linux,code = <KEY_VOLUMEUP>;
gpios = <&pm8994_gpios 2 GPIO_ACTIVE_LOW>;
};
};
};