diff --git a/Documentation/devicetree/bindings/serial/samsung_uart.yaml b/Documentation/devicetree/bindings/serial/samsung_uart.yaml
index 83d9986d8e98..1a1f991d5364 100644
--- a/Documentation/devicetree/bindings/serial/samsung_uart.yaml
+++ b/Documentation/devicetree/bindings/serial/samsung_uart.yaml
@@ -28,6 +28,10 @@ properties:
           - samsung,exynos5433-uart
           - samsung,exynos850-uart
           - samsung,exynos8895-uart
+      - items:
+          - enum:
+              - samsung,exynos2200-uart
+          - const: google,gs101-uart
       - items:
           - enum:
               - samsung,exynos7-uart