diff --git a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986a.dtsi b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
index a7e7ec5..f2108fa 100644
--- a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
+++ b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
@@ -622,8 +622,9 @@
 		compatible = "mediatek,mt7986-auxadc",
 			     "mediatek,mt7622-auxadc";
 		reg = <0 0x1100d000 0 0x1000>;
-		clocks = <&infracfg_ao CK_INFRA_ADC_26M_CK>;
-		clock-names = "main";
+		clocks = <&infracfg_ao CK_INFRA_ADC_26M_CK>,
+			 <&infracfg_ao CK_INFRA_ADC_FRC_CK>;
+		clock-names = "main", "32k";
 		#io-channel-cells = <1>;
 		status = "disabled";
 	};
diff --git a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986b.dtsi b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986b.dtsi
index 64149a3..8cb09d5 100644
--- a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986b.dtsi
+++ b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986b.dtsi
@@ -575,8 +575,9 @@
 		compatible = "mediatek,mt7986-auxadc",
 			     "mediatek,mt7622-auxadc";
 		reg = <0 0x1100d000 0 0x1000>;
-		clocks = <&infracfg_ao CK_INFRA_ADC_26M_CK>;
-		clock-names = "main";
+		clocks = <&infracfg_ao CK_INFRA_ADC_26M_CK>,
+			 <&infracfg_ao CK_INFRA_ADC_FRC_CK>;
+		clock-names = "main", "32k";
 		#io-channel-cells = <1>;
 		status = "disabled";
 	};