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Subject[PATCH v3 5/5] dt-bindings: display: armada: Document bus-width property
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This makes it possible to choose a different pixel format for the
endpoint. Modelled after what other LCD controllers use, including
marvell,pxa2xx-lcdc and atmel,hlcdc-display-controller and perhaps more.

Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Reviewed-by: Rob Herring <robh@kernel.org>

---
Changes since v2:
- Collected the Reviewed-by tag

.../devicetree/bindings/display/marvell,armada-lcdc.txt | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/marvell,armada-lcdc.txt b/Documentation/devicetree/bindings/display/marvell,armada-lcdc.txt
index 0ea4cbe5a32e..d1dadaaeee73 100644
--- a/Documentation/devicetree/bindings/display/marvell,armada-lcdc.txt
+++ b/Documentation/devicetree/bindings/display/marvell,armada-lcdc.txt
@@ -25,6 +25,11 @@ Required child nodes:

- port: video output port with endpoints, as described by
Documentation/devicetree/bindings/graph.txt
+ The endpoints can optionally specify the following property:
+
+ - bus-width: recognized values are <12>, <16>, <18> and <24>, that
+ select "rgb444", "rgb565", "rgb666" or "rgb888" pixel format
+ respectively. Defaults to <24> if unspecified.

Example:

@@ -37,6 +42,7 @@ Example:

lcd0_port: port {
lcd0_rgb_out: endpoint {
+ bus-width = <24>;
remote-endpoint = <&encoder_rgb_in>;
};
};
--
2.20.1
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