dt-bindings: display: sun4i: New compatibles for A20 tcons

Document new compatibles used to differentiate between timing
controllers on A20 (sun7i)

Signed-off-by: Andrey Lebedev <andrey@lebedev.lt>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20200219180858.4806-5-andrey.lebedev@gmail.com

diff --git a/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml b/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml
index 86ad617..bbd500b 100644 (file)
--- a/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml
+++ b/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml
@@ -36,6 +36,12 @@ properties:
 
       - items:
         - enum:
+          - allwinner,sun7i-a20-tcon0
+          - allwinner,sun7i-a20-tcon1
+        - const: allwinner,sun7i-a20-tcon
+
+      - items:
+        - enum:
             - allwinner,sun50i-a64-tcon-lcd
         - const: allwinner,sun8i-a83t-tcon-lcd