Thread (12 messages) 12 messages, 2 authors, 2021-10-22
STALE1689d

[PATCH v5 3/7] dt-bindings: display: sun4i: Add LVDS Dual-Link property

From: Maxime Ripard <hidden>
Date: 2021-09-29 08:45:51
Also in: dri-devel
Subsystem: drm drivers, drm drivers and misc gpu patches, drm drivers for allwinner a10, open firmware and flattened device tree bindings, the rest · Maintainers: David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Chen-Yu Tsai, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds

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 <redacted>
---
 .../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 3a7d5d731712..d01b0689785c 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.
+
   ports:
     $ref: /schemas/graph.yaml#/properties/ports
 
-- 
2.31.1


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