diff --git a/Documentation/devicetree/bindings/pwm/nxp,lpc3220-pwm.yaml b/Documentation/devicetree/bindings/pwm/nxp,lpc3220-pwm.yaml
index d8ebb0735c96..cdd83ac29caf 100644
--- a/Documentation/devicetree/bindings/pwm/nxp,lpc3220-pwm.yaml
+++ b/Documentation/devicetree/bindings/pwm/nxp,lpc3220-pwm.yaml
@@ -27,6 +27,7 @@ properties:
 required:
   - compatible
   - reg
+  - clocks
   - '#pwm-cells'
 
 allOf:
@@ -36,9 +37,12 @@ unevaluatedProperties: false
 
 examples:
   - |
+    #include <dt-bindings/clock/lpc32xx-clock.h>
+
     pwm@4005c000 {
         compatible = "nxp,lpc3220-pwm";
         reg = <0x4005c000 0x4>;
+        clocks = <&clk LPC32XX_CLK_PWM1>;
         #pwm-cells = <3>;
     };