[PATCH v2 1/4] dt-bindings: display: panel: samsung,atna33xc20: Document ATNA45AF01

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The Samsung ATNA45AF01 panel is an AMOLED eDP panel that has backlight
control over the DP AUX channel. While it works almost correctly with the
generic "edp-panel" compatible, the backlight needs special handling to
work correctly. It is similar to the existing ATNA33XC20 panel, just with
a larger resolution and size.

Add a new "samsung,atna45af01" compatible to describe this panel in the DT.
Use the existing "samsung,atna33xc20" as fallback compatible since existing
drivers should work as-is, given that resolution and size are discoverable
through the eDP link.

Signed-off-by: Stephan Gerhold <stephan.gerhold@xxxxxxxxxx>
---
 .../devicetree/bindings/display/panel/samsung,atna33xc20.yaml     | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/display/panel/samsung,atna33xc20.yaml b/Documentation/devicetree/bindings/display/panel/samsung,atna33xc20.yaml
index 765ca155c83a..5192c93fbd67 100644
--- a/Documentation/devicetree/bindings/display/panel/samsung,atna33xc20.yaml
+++ b/Documentation/devicetree/bindings/display/panel/samsung,atna33xc20.yaml
@@ -14,7 +14,13 @@ allOf:
 
 properties:
   compatible:
-    const: samsung,atna33xc20
+    oneOf:
+      # Samsung 13.3" FHD (1920x1080 pixels) eDP AMOLED panel
+      - const: samsung,atna33xc20
+      # Samsung 14.5" WQXGA+ (2880x1800 pixels) eDP AMOLED panel
+      - items:
+          - const: samsung,atna45af01
+          - const: samsung,atna33xc20
 
   enable-gpios: true
   port: true

-- 
2.44.1





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