diff --git a/Documentation/devicetree/bindings/i2c/renesas,rcar-i2c.yaml b/Documentation/devicetree/bindings/i2c/renesas,rcar-i2c.yaml
index 052aad44e781a..c30107833a514 100644
--- a/Documentation/devicetree/bindings/i2c/renesas,rcar-i2c.yaml
+++ b/Documentation/devicetree/bindings/i2c/renesas,rcar-i2c.yaml
@@ -49,6 +49,11 @@ properties:
               - renesas,i2c-r8a779a0     # R-Car V3U
           - const: renesas,rcar-gen3-i2c # R-Car Gen3 and RZ/G2
 
+      - items:
+          - enum:
+              - renesas,i2c-r8a779f0     # R-Car S4-8
+          - const: renesas,rcar-gen4-i2c # R-Car Gen4
+
   reg:
     maxItems: 1
 
@@ -132,6 +137,7 @@ allOf:
             enum:
               - renesas,rcar-gen2-i2c
               - renesas,rcar-gen3-i2c
+              - renesas,rcar-gen4-i2c
     then:
       required:
         - resets