Add an entry for the MT8186 based Chinchou Chromebook, also known as the
ASUS Chromebook CZ12 Flip (CZ1204F).

Signed-off-by: Zhengqiao Xia <xiazhengqiao@huaqin.corp-partner.google.com>
---
 .../devicetree/bindings/arm/mediatek.yaml     | 26 +++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/mediatek.yaml b/Documentation/devicetree/bindings/arm/mediatek.yaml
index 1d4bb50fcd8d..49188382f6c0 100644
--- a/Documentation/devicetree/bindings/arm/mediatek.yaml
+++ b/Documentation/devicetree/bindings/arm/mediatek.yaml
@@ -239,6 +239,32 @@ properties:
           - enum:
               - mediatek,mt8183-pumpkin
           - const: mediatek,mt8183
+      - description: Google Chinchou (ASUS Chromebook CZ12 Flip (CZ1204F))
+        items:
+          - const: google,chinchou-sku0
+          - const: google,chinchou-sku2
+          - const: google,chinchou-sku4
+          - const: google,chinchou-sku5
+          - const: google,chinchou
+          - const: mediatek,mt8186
+      - description: Google Chinchou (ASUS Chromebook CZ12 Flip (CZ1204F))
+        items:
+          - const: google,chinchou-sku1
+          - const: google,chinchou-sku3
+          - const: google,chinchou-sku6
+          - const: google,chinchou-sku7
+          - const: google,chinchou-sku17
+          - const: google,chinchou-sku20
+          - const: google,chinchou-sku22
+          - const: google,chinchou-sku23
+          - const: mediatek,mt8186
+      - description: Google Chinchou (ASUS Chromebook CZ12 Flip (CZ1204F))
+        items:
+          - const: google,chinchou-sku16
+          - const: google,chinchou-sku18
+          - const: google,chinchou-sku19
+          - const: google,chinchou-sku21
+          - const: mediatek,mt8186
       - description: Google Magneton (Lenovo IdeaPad Slim 3 Chromebook (14M868))
         items:
           - const: google,steelix-sku393219
-- 
2.17.1