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[v3,06/11] dt-bindings: display: hdmi-connector: Add DDC power supply

Message ID 20190411101951.30223-7-megous@megous.com
State Not Applicable
Delegated to: David Miller
Headers show
Series Add support for Orange Pi 3 | expand

Commit Message

Ondřej Jirman April 11, 2019, 10:19 a.m. UTC 
From: Ondrej Jirman <megous@megous.com>

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@megous.com>
---
 .../devicetree/bindings/display/connector/hdmi-connector.txt     | 1 +
 1 file changed, 1 insertion(+)
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Patch

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