From: Ondrej Jirman <megous@xxxxxxxxxx> Some Allwinner SoC using boards (Orange Pi 3 for example) need to enable on-board voltage shifting logic for the DDC bus to be usable. Use ddc-supply on the hdmi-connector to model this. Add binding documentation for optional ddc-supply property. Signed-off-by: Ondrej Jirman <megous@xxxxxxxxxx> --- .../devicetree/bindings/display/connector/hdmi-connector.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/display/connector/hdmi-connector.txt b/Documentation/devicetree/bindings/display/connector/hdmi-connector.txt index 508aee461e0d..33085aeb0bb9 100644 --- a/Documentation/devicetree/bindings/display/connector/hdmi-connector.txt +++ b/Documentation/devicetree/bindings/display/connector/hdmi-connector.txt @@ -9,6 +9,7 @@ Optional properties: - label: a symbolic name for the connector - hpd-gpios: HPD GPIO number - ddc-i2c-bus: phandle link to the I2C controller used for DDC EDID probing +- ddc-supply: the power supply for the DDC bus Required nodes: - Video port for HDMI input -- 2.21.0
