diff --git a/Documentation/devicetree/bindings/eeprom/at24.yaml b/Documentation/devicetree/bindings/eeprom/at24.yaml
index a2970c7c8f27..c9e4afbdc448 100644
--- a/Documentation/devicetree/bindings/eeprom/at24.yaml
+++ b/Documentation/devicetree/bindings/eeprom/at24.yaml
@@ -138,6 +138,10 @@ properties:
               - renesas,r1ex24128
               - samsung,s524ad0xd1
           - const: atmel,24c128
+      - items:
+          - enum:
+              - puya,p24c256c
+          - const: atmel,24c256
       - items:
           - const: microchip,24aa025e48
       - items: