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Message-Id: <20241028023740.19732-9-victor.liu@nxp.com>
Date: Mon, 28 Oct 2024 10:37:35 +0800
From: Liu Ying <victor.liu@....com>
To: dri-devel@...ts.freedesktop.org,
devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
linux-media@...r.kernel.org,
imx@...ts.linux.dev,
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Cc: andrzej.hajda@...el.com,
neil.armstrong@...aro.org,
rfoss@...nel.org,
Laurent.pinchart@...asonboard.com,
jonas@...boo.se,
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Subject: [PATCH v4 08/13] dt-bindings: display: Document dual-link LVDS display common properties
Dual-link LVDS displays receive odd pixels and even pixels separately from
dual LVDS links. One link receives odd pixels and the other receives even
pixels. Some of those displays may also use only one LVDS link to receive
all pixels, being odd and even agnostic. Document common properties for
those displays by extending LVDS display common properties defined in
lvds.yaml.
Suggested-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Signed-off-by: Liu Ying <victor.liu@....com>
---
v4:
* Squash change for advantech,idk-2121wr.yaml and
panel-simple-lvds-dual-ports.yaml with lvds-dual-ports.yaml. (Rob)
* Improve description in lvds-dual-ports.yaml. (Krzysztof)
v3:
* New patch. (Dmitry)
.../bindings/display/lvds-dual-ports.yaml | 76 +++++++++++++++++++
.../display/panel/advantech,idk-2121wr.yaml | 14 +---
.../panel/panel-simple-lvds-dual-ports.yaml | 20 +----
3 files changed, 78 insertions(+), 32 deletions(-)
create mode 100644 Documentation/devicetree/bindings/display/lvds-dual-ports.yaml
diff --git a/Documentation/devicetree/bindings/display/lvds-dual-ports.yaml b/Documentation/devicetree/bindings/display/lvds-dual-ports.yaml
new file mode 100644
index 000000000000..5f7a30640404
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/lvds-dual-ports.yaml
@@ -0,0 +1,76 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/lvds-dual-ports.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Dual-link LVDS Display Common Properties
+
+maintainers:
+ - Liu Ying <victor.liu@....com>
+
+description: |
+ Common properties for LVDS displays with dual LVDS links. Extend LVDS display
+ common properties defined in lvds.yaml.
+
+ Dual-link LVDS displays receive odd pixels and even pixels separately from
+ the dual LVDS links. One link receives odd pixels and the other receives
+ even pixels. Some of those displays may also use only one LVDS link to
+ receive all pixels, being odd and even agnostic.
+
+allOf:
+ - $ref: lvds.yaml#
+
+properties:
+ ports:
+ $ref: /schemas/graph.yaml#/properties/ports
+
+ properties:
+ port@0:
+ $ref: /schemas/graph.yaml#/$defs/port-base
+ unevaluatedProperties: false
+ description: the first LVDS input link
+
+ properties:
+ dual-lvds-odd-pixels:
+ type: boolean
+ description: the first LVDS input link for odd pixels
+
+ dual-lvds-even-pixels:
+ type: boolean
+ description: the first LVDS input link for even pixels
+
+ oneOf:
+ - required: [dual-lvds-odd-pixels]
+ - required: [dual-lvds-even-pixels]
+ - properties:
+ dual-lvds-odd-pixels: false
+ dual-lvds-even-pixels: false
+
+ port@1:
+ $ref: /schemas/graph.yaml#/$defs/port-base
+ unevaluatedProperties: false
+ description: the second LVDS input link
+
+ properties:
+ dual-lvds-odd-pixels:
+ type: boolean
+ description: the second LVDS input link for odd pixels
+
+ dual-lvds-even-pixels:
+ type: boolean
+ description: the second LVDS input link for even pixels
+
+ oneOf:
+ - required: [dual-lvds-odd-pixels]
+ - required: [dual-lvds-even-pixels]
+ - properties:
+ dual-lvds-odd-pixels: false
+ dual-lvds-even-pixels: false
+
+required:
+ - ports
+
+additionalProperties: true
+
+...
diff --git a/Documentation/devicetree/bindings/display/panel/advantech,idk-2121wr.yaml b/Documentation/devicetree/bindings/display/panel/advantech,idk-2121wr.yaml
index 2e8dbdb5a3d5..05ca3b2385f8 100644
--- a/Documentation/devicetree/bindings/display/panel/advantech,idk-2121wr.yaml
+++ b/Documentation/devicetree/bindings/display/panel/advantech,idk-2121wr.yaml
@@ -20,6 +20,7 @@ description: |
dual-lvds-odd-pixels or dual-lvds-even-pixels).
allOf:
+ - $ref: /schemas/display/lvds-dual-ports.yaml#
- $ref: panel-common.yaml#
properties:
@@ -44,22 +45,10 @@ properties:
properties:
port@0:
- $ref: /schemas/graph.yaml#/$defs/port-base
- unevaluatedProperties: false
- description: The sink for odd pixels.
- properties:
- dual-lvds-odd-pixels: true
-
required:
- dual-lvds-odd-pixels
port@1:
- $ref: /schemas/graph.yaml#/$defs/port-base
- unevaluatedProperties: false
- description: The sink for even pixels.
- properties:
- dual-lvds-even-pixels: true
-
required:
- dual-lvds-even-pixels
@@ -75,7 +64,6 @@ required:
- height-mm
- data-mapping
- panel-timing
- - ports
examples:
- |+
diff --git a/Documentation/devicetree/bindings/display/panel/panel-simple-lvds-dual-ports.yaml b/Documentation/devicetree/bindings/display/panel/panel-simple-lvds-dual-ports.yaml
index 10ed4b57232b..e80fc7006984 100644
--- a/Documentation/devicetree/bindings/display/panel/panel-simple-lvds-dual-ports.yaml
+++ b/Documentation/devicetree/bindings/display/panel/panel-simple-lvds-dual-ports.yaml
@@ -22,6 +22,7 @@ description: |
If the panel is more advanced a dedicated binding file is required.
allOf:
+ - $ref: /schemas/display/lvds-dual-ports.yaml#
- $ref: panel-common.yaml#
properties:
@@ -55,28 +56,10 @@ properties:
properties:
port@0:
- $ref: /schemas/graph.yaml#/$defs/port-base
- unevaluatedProperties: false
- description: The first sink port.
-
- properties:
- dual-lvds-odd-pixels:
- type: boolean
- description: The first sink port for odd pixels.
-
required:
- dual-lvds-odd-pixels
port@1:
- $ref: /schemas/graph.yaml#/$defs/port-base
- unevaluatedProperties: false
- description: The second sink port.
-
- properties:
- dual-lvds-even-pixels:
- type: boolean
- description: The second sink port for even pixels.
-
required:
- dual-lvds-even-pixels
@@ -88,7 +71,6 @@ unevaluatedProperties: false
required:
- compatible
- - ports
- power-supply
examples:
--
2.34.1
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