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Subject[PATCH v2 1/2] Documentation: bindings: Add ANX7688 HDMI to DP bridge binding
Date
From: Nicolas Boichat <drinkcat@chromium.org>

Add documentation for DT properties supported by 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 v2:
- Improve a bit the descriptions using the info from the datasheet.
- Convert binding to yaml.
- Use dual licensing.

.../bindings/display/bridge/anx7688.yaml | 79 +++++++++++++++++++
1 file changed, 79 insertions(+)
create mode 100644 Documentation/devicetree/bindings/display/bridge/anx7688.yaml

diff --git a/Documentation/devicetree/bindings/display/bridge/anx7688.yaml b/Documentation/devicetree/bindings/display/bridge/anx7688.yaml
new file mode 100644
index 000000000000..c1b4b5191d44
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/anx7688.yaml
@@ -0,0 +1,79 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/bridge/anx7688.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analogix ANX7688 HDMI to USB Type-C Bridge (Port Controller with MUX)
+
+maintainers:
+ - Nicolas Boichat <drinkcat@chromium.org>
+ - Enric Balletbo i Serra <enric.balletbo@collabora.com>
+
+description: |
+ The ANX7688 is a single-chip mobile transmitter to support 4K 60 frames per
+ second (4096x2160p60) or FHD 120 frames per second (1920x1080p120) video
+ resolution from a smartphone or tablet with full function USB-C.
+
+ This binding only describes the HDMI to DP display bridge.
+
+properties:
+ compatible:
+ const: analogix,anx7688
+
+ reg:
+ maxItems: 1
+ description: I2C address of the device
+
+ 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
+ - reg
+ - ports
+
+examples:
+ - |
+ i2c0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ anx7688: dp-bridge@2c {
+ compatible = "analogix,anx7688";
+ reg = <0x2c>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ anx7866_in: endpoint {
+ remote-endpoint = <&hdmi0_out>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+ anx7866_out: endpoint {
+ remote-endpoint = <&panel_in>;
+ };
+ };
+ };
+ };
+ };
--
2.25.0
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