ARM: dts: qcom-pm8941: add resin support

Wrap existing pwrkey and new resin nodes into the new pon node to enable
volume-down key support on platforms using pm8941 PMIC.
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20230609022553.1775844-4-dmitry.baryshkov@linaro.orgSigned-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm/boot/dts/qcom/qcom-pm8941.dtsi

@@ -50,12 +50,24 @@ rtc@6000 {
 			interrupts = <0x0 0x61 0x1 IRQ_TYPE_EDGE_RISING>;
 		};
 
-		pwrkey@800 {
-			compatible = "qcom,pm8941-pwrkey";
+		pon@800 {
+			compatible = "qcom,pm8941-pon";
 			reg = <0x800>;
-			interrupts = <0x0 0x8 0 IRQ_TYPE_EDGE_BOTH>;
-			debounce = <15625>;
-			bias-pull-up;
+
+			pwrkey {
+				compatible = "qcom,pm8941-pwrkey";
+				interrupts = <0x0 0x8 0 IRQ_TYPE_EDGE_BOTH>;
+				debounce = <15625>;
+				bias-pull-up;
+			};
+
+			pm8941_resin: resin {
+				compatible = "qcom,pm8941-resin";
+				interrupts = <0x0 0x8 1 IRQ_TYPE_EDGE_BOTH>;
+				debounce = <15625>;
+				bias-pull-up;
+				status = "disabled";
+			};
 		};
 
 		usb_id: usb-detect@900 {