diff --git a/Documentation/devicetree/bindings/i2c/i2c-rk3x.txt b/Documentation/devicetree/bindings/i2c/i2c-rk3x.txt
index bbc5a1ed5fa188557a4c45828ea8ba5d65f46893..e18445d0980cc6ab5d2b0d6b3b10fb35e6d3cff3 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-rk3x.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-rk3x.txt
@@ -11,6 +11,7 @@ Required properties :
    - "rockchip,rk3188-i2c": for rk3188
    - "rockchip,rk3228-i2c": for rk3228
    - "rockchip,rk3288-i2c": for rk3288
+   - "rockchip,rk3328-i2c", "rockchip,rk3399-i2c": for rk3328
    - "rockchip,rk3399-i2c": for rk3399
  - interrupts : interrupt number
  - clocks: See ../clock/clock-bindings.txt