diff mbox series

[v6,3/7] dt-bindings: display: sun4i: Add LVDS link companion property

Message ID 20211217135119.316781-4-maxime@cerno.tech (mailing list archive)
State New, archived
Headers show
Series drm/sun4i: Add support for dual-link LVDS on the A20 | expand

Commit Message

Maxime Ripard Dec. 17, 2021, 1:51 p.m. UTC
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.

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
---
 .../bindings/display/allwinner,sun4i-a10-tcon.yaml          | 6 ++++++
 1 file changed, 6 insertions(+)
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml b/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml
index 3a7d5d731712..42dcb8a86433 100644
--- a/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml
+++ b/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml
@@ -113,6 +113,12 @@  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. This property shall be set in both TCON instances.
+
   ports:
     $ref: /schemas/graph.yaml#/properties/ports