diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
index 21cc27e75f50a..3bab4e1f3fbf6 100644
--- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml
+++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
@@ -76,6 +76,7 @@ properties:
         - rockchip,rk3128-gmac
         - rockchip,rk3228-gmac
         - rockchip,rk3288-gmac
+        - rockchip,rk3308-gmac
         - rockchip,rk3328-gmac
         - rockchip,rk3366-gmac
         - rockchip,rk3368-gmac