diff --git a/arch/arm/boot/dts/aspeed-g4.dtsi b/arch/arm/boot/dts/aspeed-g4.dtsi
index 54524564037c..680336ac06f8 100644
--- a/arch/arm/boot/dts/aspeed-g4.dtsi
+++ b/arch/arm/boot/dts/aspeed-g4.dtsi
@@ -240,7 +240,7 @@ pwm_tacho: pwm-tacho-controller@1e786000 {
 				#address-cells = <1>;
 				#size-cells = <0>;
 				reg = <0x1e786000 0x1000>;
-				clocks = <&syscon ASPEED_CLK_APB>;
+				clocks = <&syscon ASPEED_CLK_24M>;
 				resets = <&syscon ASPEED_RESET_PWM>;
 				status = "disabled";
 			};
diff --git a/arch/arm/boot/dts/aspeed-g5.dtsi b/arch/arm/boot/dts/aspeed-g5.dtsi
index 6274d3eaf374..02e70ad3ab70 100644
--- a/arch/arm/boot/dts/aspeed-g5.dtsi
+++ b/arch/arm/boot/dts/aspeed-g5.dtsi
@@ -299,7 +299,7 @@ pwm_tacho: pwm-tacho-controller@1e786000 {
 				#address-cells = <1>;
 				#size-cells = <0>;
 				reg = <0x1e786000 0x1000>;
-				clocks = <&syscon ASPEED_CLK_APB>;
+				clocks = <&syscon ASPEED_CLK_24M>;
 				resets = <&syscon ASPEED_RESET_PWM>;
 				status = "disabled";
 			};