diff --git a/arch/arm/boot/dts/rk3506.dtsi b/arch/arm/boot/dts/rk3506.dtsi
index 52a723b2ed26..ed5973b44065 100644
--- a/arch/arm/boot/dts/rk3506.dtsi
+++ b/arch/arm/boot/dts/rk3506.dtsi
@@ -1592,8 +1592,8 @@
 		compatible = "rockchip,rk3506-pwm", "rockchip,rk3576-pwm";
 		reg = <0xff930000 0x200>;
 		interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>;
-		clocks = <&cru CLK_PWM0>, <&cru PCLK_PWM0>;
-		clock-names = "pwm", "pclk";
+		clocks = <&cru CLK_PWM0>, <&cru PCLK_PWM0>, <&cru CLK_OSC_PWM0>;
+		clock-names = "pwm", "pclk", "osc";
 		#pwm-cells = <3>;
 		status = "disabled";
 	};
@@ -1602,8 +1602,8 @@
 		compatible = "rockchip,rk3506-pwm", "rockchip,rk3576-pwm";
 		reg = <0xff931000 0x200>;
 		interrupts = <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>;
-		clocks = <&cru CLK_PWM0>, <&cru PCLK_PWM0>;
-		clock-names = "pwm", "pclk";
+		clocks = <&cru CLK_PWM0>, <&cru PCLK_PWM0>, <&cru CLK_OSC_PWM0>;
+		clock-names = "pwm", "pclk", "osc";
 		#pwm-cells = <3>;
 		status = "disabled";
 	};
@@ -1612,8 +1612,8 @@
 		compatible = "rockchip,rk3506-pwm", "rockchip,rk3576-pwm";
 		reg = <0xff932000 0x200>;
 		interrupts = <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>;
-		clocks = <&cru CLK_PWM0>, <&cru PCLK_PWM0>;
-		clock-names = "pwm", "pclk";
+		clocks = <&cru CLK_PWM0>, <&cru PCLK_PWM0>, <&cru CLK_OSC_PWM0>;
+		clock-names = "pwm", "pclk", "osc";
 		#pwm-cells = <3>;
 		status = "disabled";
 	};
@@ -1622,8 +1622,8 @@
 		compatible = "rockchip,rk3506-pwm", "rockchip,rk3576-pwm";
 		reg = <0xff933000 0x200>;
 		interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
-		clocks = <&cru CLK_PWM0>, <&cru PCLK_PWM0>;
-		clock-names = "pwm", "pclk";
+		clocks = <&cru CLK_PWM0>, <&cru PCLK_PWM0>, <&cru CLK_OSC_PWM0>;
+		clock-names = "pwm", "pclk", "osc";
 		#pwm-cells = <3>;
 		status = "disabled";
 	};