diff --git a/arch/arm/boot/dts/qcom-msm8974-sony-xperia-honami.dts b/arch/arm/boot/dts/qcom-msm8974-sony-xperia-honami.dts
index bd35b0674ff6894cd6518046d049b385e038a624..9bc72a3356e45ea7c79d43daf9eae826342e8f52 100644
--- a/arch/arm/boot/dts/qcom-msm8974-sony-xperia-honami.dts
+++ b/arch/arm/boot/dts/qcom-msm8974-sony-xperia-honami.dts
@@ -17,3 +17,13 @@ serial@f991e000 {
 		status = "ok";
 	};
 };
+
+&spmi_bus {
+	pm8941@0 {
+		coincell@2800 {
+			status = "ok";
+			qcom,rset-ohms = <2100>;
+			qcom,vset-millivolts = <3000>;
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/qcom-pm8941.dtsi b/arch/arm/boot/dts/qcom-pm8941.dtsi
index aa774e685018a58d2fdebd408af6aed6e849a0f0..968f1043d4f599ce9438f61f094834c484e9e22d 100644
--- a/arch/arm/boot/dts/qcom-pm8941.dtsi
+++ b/arch/arm/boot/dts/qcom-pm8941.dtsi
@@ -125,6 +125,12 @@ pm8941_iadc: iadc@3600 {
 			interrupts = <0x0 0x36 0x0 IRQ_TYPE_EDGE_RISING>;
 			qcom,external-resistor-micro-ohms = <10000>;
 		};
+
+		coincell@2800 {
+			compatible = "qcom,pm8941-coincell";
+			reg = <0x2800>;
+			status = "disabled";
+		};
 	};
 
 	usid1: pm8941@1 {