diff mbox series

[2/6] dt-bindings: drm/bridge: ti-sn65dsi83: add documentation for reverse lvds lanes

Message ID 20220530150548.1236307-3-m.felsch@pengutronix.de (mailing list archive)
State New, archived
Headers show
Series TI SN65DSI83 Features | expand

Commit Message

Marco Felsch May 30, 2022, 3:05 p.m. UTC 
The TI converter chip can swap the LVDS data lanes in a pre-defined
manner. This can be useful to improve the layout characteristic.

Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
---
 .../bindings/display/bridge/ti,sn65dsi83.yaml | 58 ++++++++++++++++++-
 1 file changed, 56 insertions(+), 2 deletions(-)

Comments

Rob Herring June 5, 2022, 9:09 p.m. UTC | #1 
On Mon, May 30, 2022 at 05:05:45PM +0200, Marco Felsch wrote:
> The TI converter chip can swap the LVDS data lanes in a pre-defined
> manner. This can be useful to improve the layout characteristic.
> 
> Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
> ---
>  .../bindings/display/bridge/ti,sn65dsi83.yaml | 58 ++++++++++++++++++-
>  1 file changed, 56 insertions(+), 2 deletions(-)

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

Patch

diff --git a/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi83.yaml b/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi83.yaml
index 48a97bb3e2e0..7306b9874dc3 100644
--- a/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi83.yaml
+++ b/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi83.yaml
@@ -80,13 +80,67 @@  properties:
                   - const: 4
 
       port@2:
-        $ref: /schemas/graph.yaml#/properties/port
+        $ref: /schemas/graph.yaml#/$defs/port-base
+        unevaluatedProperties: false
         description: Video port for LVDS Channel-A output (panel or bridge).
 
+        properties:
+          endpoint:
+            $ref: /schemas/media/video-interfaces.yaml#
+            unevaluatedProperties: false
+
+            properties:
+              data-lanes:
+                description: |
+                  Array of physical LVDS data lane indexes in reverse or normal
+                  order. Specify it in reverse order to enable the bridge CHA
+                  reverse ordering. If not specified normal order is used.
+                items:
+                  oneOf:
+                    # reverse order
+                    - items:
+                        - const: 4
+                        - const: 3
+                        - const: 2
+                        - const: 1
+                    # normal order
+                    - items:
+                        - const: 1
+                        - const: 2
+                        - const: 3
+                        - const: 4
+
       port@3:
-        $ref: /schemas/graph.yaml#/properties/port
+        $ref: /schemas/graph.yaml#/$defs/port-base
+        unevaluatedProperties: false
         description: Video port for LVDS Channel-B output (panel or bridge).
 
+        properties:
+          endpoint:
+            $ref: /schemas/media/video-interfaces.yaml#
+            unevaluatedProperties: false
+
+            properties:
+              data-lanes:
+                description: |
+                  Array of physical LVDS data lane indexes in reverse or normal
+                  order. Specify it in reverse order to enable the bridge CHB
+                  reverse ordering. If not specified normal order is used.
+                items:
+                  oneOf:
+                    # reverse order
+                    - items:
+                        - const: 4
+                        - const: 3
+                        - const: 2
+                        - const: 1
+                    # normal order
+                    - items:
+                        - const: 1
+                        - const: 2
+                        - const: 3
+                        - const: 4
+
     required:
       - port@0
       - port@2