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Subject[PATCH v4 3/4] dt-bindings: Add ANX7688 HDMI to DP bridge binding
Date
From: Nicolas Boichat <drinkcat@chromium.org>

Add documentation for DT properties supported by the ANX7688 HDMI-DP
converter.

Signed-off-by: Nicolas Boichat <drinkcat@chromium.org>
Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
---

Changes in v4: None
Changes in v3:
- Adapt the bridge bindings for the multi-function device.

Changes in v2:
- Improve a bit the descriptions using the info from the datasheet.
- Convert binding to yaml.
- Use dual licensing.

.../bridge/analogix,anx7688-bridge.yaml | 80 +++++++++++++++++++
1 file changed, 80 insertions(+)
create mode 100644 Documentation/devicetree/bindings/display/bridge/analogix,anx7688-bridge.yaml

diff --git a/Documentation/devicetree/bindings/display/bridge/analogix,anx7688-bridge.yaml b/Documentation/devicetree/bindings/display/bridge/analogix,anx7688-bridge.yaml
new file mode 100644
index 000000000000..c56da3f39dd8
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/analogix,anx7688-bridge.yaml
@@ -0,0 +1,80 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/bridge/analogix,anx7688-bridge.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analogix ANX7688 HDMI to DisplayPort Bridge
+
+maintainers:
+ - Nicolas Boichat <drinkcat@chromium.org>
+ - Enric Balletbo i Serra <enric.balletbo@collabora.com>
+
+description: |
+ The ANX7688 bridge describes the HDMI 2.0 to DisplayPort 1.3 bridge block
+ included in the ANX7688 chip controller. These are meant to be used for
+ controlling display-related signals.
+
+ The node of this device should be under an analogix,anx7866 node. Please refer
+ to Documentation/devicetree/bindings/mfd/analogix,anx7688.yaml for the ANX7688
+ core bindings.
+
+properties:
+ compatible:
+ const: analogix,anx7688-bridge
+
+ ports:
+ type: object
+
+ properties:
+ port@0:
+ type: object
+ description: |
+ Video port for HDMI input
+
+ port@1:
+ type: object
+ description: |
+ Video port for DP output
+
+ required:
+ - port@0
+
+required:
+ - compatible
+ - ports
+
+examples:
+ - |
+ i2c0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ anx7688: anx7688@2c {
+ compatible = "analogix,anx7688";
+ reg = <0x2c>;
+
+ bridge {
+ compatible = "analogix,anx7688-bridge";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ anx7688_in: endpoint {
+ remote-endpoint = <&hdmi0_out>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+ anx7688_out: endpoint {
+ remote-endpoint = <&typec0_connector>;
+ };
+ };
+ };
+ };
+ };
+ };
--
2.25.1
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