diff --git a/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.yaml
index 9d59208d83c18..eeb29b4ad4d1a 100644
--- a/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.yaml
@@ -34,7 +34,9 @@ properties:
     const: 1
 
   ranges: true
-  pins-are-numbered: true
+  pins-are-numbered:
+    $ref: /schemas/types.yaml#/definitions/flag
+    deprecated: true
   hwlocks: true
 
   interrupts:
@@ -206,7 +208,6 @@ required:
   - '#address-cells'
   - '#size-cells'
   - ranges
-  - pins-are-numbered
 
 additionalProperties: false
 
@@ -220,7 +221,6 @@ examples:
               #size-cells = <1>;
               compatible = "st,stm32f429-pinctrl";
               ranges = <0 0x40020000 0x3000>;
-              pins-are-numbered;
 
               gpioa: gpio@0 {
                       gpio-controller;
@@ -238,7 +238,6 @@ examples:
               #size-cells = <1>;
               compatible = "st,stm32f429-pinctrl";
               ranges = <0 0x50020000 0x3000>;
-              pins-are-numbered;
 
               gpiob: gpio@1000 {
                       gpio-controller;