From mboxrd@z Thu Jan 1 00:00:00 1970 From: megous via linux-sunxi Subject: [PATCH v4 6/9] dt-bindings: display: hdmi-connector: Add DDC power supply Date: Sat, 13 Apr 2019 18:54:15 +0200 Message-ID: <20190413165418.27880-7-megous@megous.com> References: <20190413165418.27880-1-megous@megous.com> Reply-To: megous-5qf/QAjKc83QT0dZR+AlfA@public.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Return-path: In-Reply-To: <20190413165418.27880-1-megous-5qf/QAjKc83QT0dZR+AlfA@public.gmane.org> List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , To: linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org, Maxime Ripard , Chen-Yu Tsai , Rob Herring , Linus Walleij Cc: Ondrej Jirman , David Airlie , Daniel Vetter , Mark Rutland , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , "David S. Miller" , Maxime Coquelin , dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-stm32-XDFAJ8BFU24N7RejjzZ/Li2xQDfSxrLKVpNB7YpNyf8@public.gmane.org, linux-gpio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: devicetree@vger.kernel.org From: Ondrej Jirman 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 --- .../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