From: Ondrej Jirman Date: Tue, 6 Aug 2019 15:57:41 +0000 (+0200) Subject: dt-bindings: display: hdmi-connector: Support DDC bus enable X-Git-Tag: v5.4-rc1~32^2~17^2~57 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f6700060f53f0764fb970fa1cb716a7f671f0581;p=platform%2Fkernel%2Flinux-rpi.git dt-bindings: display: hdmi-connector: Support DDC bus enable Some Allwinner SoC using boards (Orange Pi 3 for example) need to enable on-board voltage shifting logic for the DDC bus using a gpio to be able to access DDC bus. Use ddc-en-gpios property on the hdmi-connector to model this. Add binding documentation for optional ddc-en-gpios property. Signed-off-by: Ondrej Jirman Reviewed-by: Rob Herring Signed-off-by: Maxime Ripard Link: https://patchwork.freedesktop.org/patch/msgid/20190806155744.10263-3-megous@megous.com --- diff --git a/Documentation/devicetree/bindings/display/connector/hdmi-connector.txt b/Documentation/devicetree/bindings/display/connector/hdmi-connector.txt index 508aee461e0d..aeb07c4bd703 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-en-gpios: signal to enable DDC bus Required nodes: - Video port for HDMI input