diff mbox series

[v2,5/5] dt-bindings: display: armada: Document bus-width property

Message ID 20190304202006.3863-6-lkundrak@v3.sk (mailing list archive)
State New, archived
Headers show
Series dt-bindings: improve the Armada DRM bindings | expand

Commit Message

Lubomir Rintel March 4, 2019, 8:20 p.m. UTC
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>
---
 .../devicetree/bindings/display/marvell,armada-lcdc.txt     | 6 ++++++
 1 file changed, 6 insertions(+)

Comments

Rob Herring (Arm) March 12, 2019, 6:43 p.m. UTC | #1
On Mon,  4 Mar 2019 21:20:06 +0100, Lubomir Rintel wrote:
> 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>
> ---
>  .../devicetree/bindings/display/marvell,armada-lcdc.txt     | 6 ++++++
>  1 file changed, 6 insertions(+)
> 

Reviewed-by: Rob Herring <robh@kernel.org>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/display/marvell,armada-lcdc.txt b/Documentation/devicetree/bindings/display/marvell,armada-lcdc.txt
index 4ef66bc2845c..181548d5be93 100644
--- a/Documentation/devicetree/bindings/display/marvell,armada-lcdc.txt
+++ b/Documentation/devicetree/bindings/display/marvell,armada-lcdc.txt
@@ -26,6 +26,11 @@  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:
 
@@ -38,6 +43,7 @@  Example:
 
 		lcd0_port: port {
 			lcd0_rgb_out: endpoint {
+				bus-width = <24>;
 				remote-endpoint = <&encoder_rgb_in>;
 			};
 		};