diff --git a/arch/arm/boot/dts/broadcom/bcm2711.dtsi b/arch/arm/boot/dts/broadcom/bcm2711.dtsi
index d30c19311145..4a379a14966d 100644
--- a/arch/arm/boot/dts/broadcom/bcm2711.dtsi
+++ b/arch/arm/boot/dts/broadcom/bcm2711.dtsi
@@ -278,7 +278,7 @@
 			clocks = <&clocks BCM2835_CLOCK_PWM>;
 			assigned-clocks = <&clocks BCM2835_CLOCK_PWM>;
 			assigned-clock-rates = <10000000>;
-			#pwm-cells = <2>;
+			#pwm-cells = <3>;
 			status = "disabled";
 		};
 
diff --git a/arch/arm/boot/dts/broadcom/bcm283x.dtsi b/arch/arm/boot/dts/broadcom/bcm283x.dtsi
index c9c52a19ef3b..2ca8a2505a4d 100644
--- a/arch/arm/boot/dts/broadcom/bcm283x.dtsi
+++ b/arch/arm/boot/dts/broadcom/bcm283x.dtsi
@@ -416,7 +416,7 @@
 			clocks = <&clocks BCM2835_CLOCK_PWM>;
 			assigned-clocks = <&clocks BCM2835_CLOCK_PWM>;
 			assigned-clock-rates = <10000000>;
-			#pwm-cells = <2>;
+			#pwm-cells = <3>;
 			status = "disabled";
 		};