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: Umang Chheda <quic_uchheda@xxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts | 37 ++++++++++++++++++++
1 file changed, 37 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
index 63ebe0774f1d..73f6d18d2331 100644
--- a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
+++ b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
@@ -9,6 +9,8 @@
#define PM7250B_SID 8
#define PM7250B_SID1 9
+#include <dt-bindings/input/linux-event-codes.h>
+#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
#include "sc7280.dtsi"
#include "pm7250b.dtsi"
@@ -39,6 +41,22 @@ chosen {
stdout-path = "serial0:115200n8";
};
+ gpio-keys {
+ compatible = "gpio-keys";
+
+ pinctrl-0 = <&key_vol_up_default>;
+ pinctrl-names = "default";
+
+ key-volume-up {
+ label = "Volume_up";
+ gpios = <&pm7325_gpios 6 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_VOLUMEUP>;
+ wakeup-source;
+ debounce-interval = <15>;
+ linux,can-disable;
+ };
+ };
+
reserved-memory {
xbl_mem: xbl@80700000 {
reg = <0x0 0x80700000 0x0 0x100000>;
@@ -471,6 +489,25 @@ &gcc {
<GCC_WPSS_RSCP_CLK>;
};
+&pm7325_gpios {
+ key_vol_up_default: key-vol-up-state {
+ pins = "gpio6";
+ function = "normal";
+ input-enable;
+ bias-pull-up;
+ qcom,drive-strength = <PMIC_GPIO_STRENGTH_LOW>;
+ };
+};
+
+&pon_pwrkey {
+ status = "okay";
+};
+
+&pon_resin {
+ linux,code = <KEY_VOLUMEDOWN>;
+ status = "okay";
+};
+
&qupv3_id_0 {
status = "okay";
};
--
2.25.1
