The Eliza CQS EVK has three tactile switches: SYS_ON, Volume Down,
and Volume Up.

Enable the existing PMK8550 PON power and resin keys for SYS_ON and
Volume Down. Describe Volume Up, which is connected to PM7550 GPIO6.

Signed-off-by: Abel Vesa <abel.vesa@oss.qualcomm.com>
---
 arch/arm64/boot/dts/qcom/eliza-cqs-evk.dts | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/eliza-cqs-evk.dts b/arch/arm64/boot/dts/qcom/eliza-cqs-evk.dts
index 5e4175291f05..2e7dd8dbaa22 100644
--- a/arch/arm64/boot/dts/qcom/eliza-cqs-evk.dts
+++ b/arch/arm64/boot/dts/qcom/eliza-cqs-evk.dts
@@ -14,6 +14,19 @@ / {
 	model = "Qualcomm Technologies, Inc. Eliza CQS EVK";
 	compatible = "qcom,eliza-cqs-evk", "qcom,eliza-cqs-som", "qcom,eliza";
 
+	gpio-keys {
+		compatible = "gpio-keys";
+
+		key-volume-up {
+			label = "Volume Up";
+			linux,code = <KEY_VOLUMEUP>;
+			gpios = <&pm7550_gpios 6 GPIO_ACTIVE_LOW>;
+			debounce-interval = <10>;
+			linux,can-disable;
+			wakeup-source;
+		};
+	};
+
 	sound {
 		compatible = "qcom,eliza-sndcard", "qcom,sm8450-sndcard";
 		model = "eliza-cqs-evk";
@@ -83,6 +96,15 @@ &lpass_vamacro {
 	qcom,dmic-sample-rate = <4800000>;
 };
 
+&pon_pwrkey {
+	status = "okay";
+};
+
+&pon_resin {
+	linux,code = <KEY_VOLUMEDOWN>;
+	status = "okay";
+};
+
 &swr0 {
 	pinctrl-0 = <&wsa_swr_active>;
 	pinctrl-names = "default";
---
base-commit: 903c1cf6dff9964e71eda98a39e2e5d442050472
change-id: 20260824-dts-qcom-eliza-evk-add-volume-up-a73c65710667
Best regards,
--  
Abel Vesa <abel.vesa@oss.qualcomm.com>