dt-bindings: i2c: i2c-rk3x: add description for rk3308

The description below is already in use for rk3308.dtsi,
but was somehow never added to a document, so add
"rockchip,rk3308-i2c", "rockchip,rk3399-i2c"
for i2c nodes on a rk3308 platform to i2c-rk3x.yaml.

Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Signed-off-by: Rob Herring <robh@kernel.org>

diff --git a/Documentation/devicetree/bindings/i2c/i2c-rk3x.yaml b/Documentation/devicetree/bindings/i2c/i2c-rk3x.yaml
index 67cdce8..edee8f6 100644 (file)
--- a/Documentation/devicetree/bindings/i2c/i2c-rk3x.yaml
+++ b/Documentation/devicetree/bindings/i2c/i2c-rk3x.yaml
@@ -33,6 +33,7 @@ properties:
           - const: rockchip,rk3288-i2c
       - items:
           - enum:
+            - rockchip,rk3308-i2c
             - rockchip,rk3328-i2c
           - const: rockchip,rk3399-i2c