Add a DT binding documentation for the MT8188 soc.

Signed-off-by: Kewei Xu <kewei.xu@mediatek.com>
---
 Documentation/devicetree/bindings/i2c/i2c-mt65xx.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/i2c/i2c-mt65xx.yaml b/Documentation/devicetree/bindings/i2c/i2c-mt65xx.yaml
index 16a1a3118204..4e730fb7be56 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-mt65xx.yaml
+++ b/Documentation/devicetree/bindings/i2c/i2c-mt65xx.yaml
@@ -27,6 +27,7 @@ properties:
       - const: mediatek,mt8173-i2c
       - const: mediatek,mt8183-i2c
       - const: mediatek,mt8186-i2c
+      - const: mediatek,mt8188-i2c
       - const: mediatek,mt8192-i2c
       - items:
           - enum:
-- 
2.18.0