The Volume Down & Power buttons are controlled by the PMIC via the PON
hardware, and the Volume Up is connected to a PMIC gpio.
Enable the necessary hardware and setup the GPIO state for the Volume Up
gpio key.
Signed-off-by: Tengfei Fan <quic_tengfan@xxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/sm8550-aim300.dts | 37 ++++++++++++++++++++++
1 file changed, 37 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sm8550-aim300.dts b/arch/arm64/boot/dts/qcom/sm8550-aim300.dts
index 40132073038d..c3f49527b9ad 100644
--- a/arch/arm64/boot/dts/qcom/sm8550-aim300.dts
+++ b/arch/arm64/boot/dts/qcom/sm8550-aim300.dts
@@ -56,6 +56,22 @@
stdout-path = "serial0:115200n8";
};
+ gpio-keys {
+ compatible = "gpio-keys";
+
+ pinctrl-0 = <&volume_up_n>;
+ pinctrl-names = "default";
+
+ key-volume-up {
+ label = "Volume Up";
+ debounce-interval = <15>;
+ gpios = <&pm8550_gpios 6 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_VOLUMEUP>;
+ linux,can-disable;
+ wakeup-source;
+ };
+ };
+
pmic-glink {
compatible = "qcom,sm8550-pmic-glink", "qcom,pmic-glink";
#address-cells = <1>;
@@ -517,6 +533,16 @@
};
};
+&pm8550_gpios {
+ volume_up_n: volume-up-n-state {
+ pins = "gpio6";
+ function = "normal";
+ power-source = <1>;
+ bias-pull-up;
+ input-enable;
+ };
+};
+
&pm8550_pwm {
status = "okay";
@@ -549,6 +575,17 @@
vdd3-supply = <&vreg_l5b_3p1>;
};
+
+&pon_pwrkey {
+ status = "okay";
+};
+
+&pon_resin {
+ linux,code = <KEY_VOLUMEDOWN>;
+
+ status = "okay";
+};
+
&qupv3_id_0 {
status = "okay";
};
--
2.17.1
