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 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>; + }; + }; + }; + }; + }; + };