[PATCH v4 3/7] dt-bindings: display: sun4i: Add LVDS Dual-Link property

[Maxime Ripard]

The Allwinner SoCs with two TCONs and LVDS output can use both to drive an
LVDS dual-link. Add a new property to express that link between these two
TCONs.

Signed-off-by: Maxime Ripard <maxime at cerno.tech>
---
 .../bindings/display/allwinner,sun4i-a10-tcon.yaml          | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml b/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml
index 4c15a2644a7c..a1237391118f 100644
--- a/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml
+++ b/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml
@@ -114,6 +114,12 @@ properties:
           - const: edp
           - const: lvds
 
+  link-companion:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description: >
+      Phandle to the other TCON in the system used to drive a dual-link LVDS
+      output.
+
   ports:
     type: object
     description: |
-- 
2.29.2