diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-lsio.dtsi b/arch/arm64/boot/dts/freescale/imx8-ss-lsio.dtsi
index 49ad3413db94..7e510b21bbac 100644
--- a/arch/arm64/boot/dts/freescale/imx8-ss-lsio.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8-ss-lsio.dtsi
@@ -29,7 +29,7 @@ lsio_pwm0: pwm@5d000000 {
 			 <&pwm0_lpcg 1>;
 		assigned-clocks = <&clk IMX_SC_R_PWM_0 IMX_SC_PM_CLK_PER>;
 		assigned-clock-rates = <24000000>;
-		#pwm-cells = <2>;
+		#pwm-cells = <3>;
 		interrupts = <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>;
 		status = "disabled";
 	};
@@ -42,7 +42,7 @@ lsio_pwm1: pwm@5d010000 {
 			 <&pwm1_lpcg 1>;
 		assigned-clocks = <&clk IMX_SC_R_PWM_1 IMX_SC_PM_CLK_PER>;
 		assigned-clock-rates = <24000000>;
-		#pwm-cells = <2>;
+		#pwm-cells = <3>;
 		interrupts = <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>;
 		status = "disabled";
 	};
@@ -55,7 +55,7 @@ lsio_pwm2: pwm@5d020000 {
 			 <&pwm2_lpcg 1>;
 		assigned-clocks = <&clk IMX_SC_R_PWM_2 IMX_SC_PM_CLK_PER>;
 		assigned-clock-rates = <24000000>;
-		#pwm-cells = <2>;
+		#pwm-cells = <3>;
 		interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>;
 		status = "disabled";
 	};
@@ -68,7 +68,7 @@ lsio_pwm3: pwm@5d030000 {
 			 <&pwm3_lpcg 1>;
 		assigned-clocks = <&clk IMX_SC_R_PWM_3 IMX_SC_PM_CLK_PER>;
 		assigned-clock-rates = <24000000>;
-		#pwm-cells = <2>;
+		#pwm-cells = <3>;
 		interrupts = <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>;
 		status = "disabled";
 	};