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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@linaro.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240715-x1e80100-crd-backlight-v2-1-31b7f2f658a3@linaro.org
This commit is contained in:
Stephan Gerhold 2024-07-15 14:15:37 +02:00 committed by Douglas Anderson
parent 1fe1c66274
commit b6f7d984eb
1 changed files with 7 additions and 1 deletions
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8
Documentation/devicetree/bindings/display/panel/samsung,atna33xc20.yaml
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@ -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