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[24.155.109.49]) by smtp.gmail.com with ESMTPSA id y9sm10270133otk.20.2019.04.26.11.23.37 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 26 Apr 2019 11:23:38 -0700 (PDT) Date: Fri, 26 Apr 2019 13:23:37 -0500 From: Rob Herring To: megous@megous.com Cc: linux-sunxi@googlegroups.com, Maxime Ripard , Chen-Yu Tsai , Linus Walleij , David Airlie , Daniel Vetter , Mark Rutland , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , "David S. Miller" , Maxime Coquelin , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-gpio@vger.kernel.org Subject: Re: [PATCH v4 6/9] dt-bindings: display: hdmi-connector: Add DDC power supply Message-ID: <20190426182337.GA22245@bogus> References: <20190413165418.27880-1-megous@megous.com> <20190413165418.27880-7-megous@megous.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190413165418.27880-7-megous@megous.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Sat, Apr 13, 2019 at 06:54:15PM +0200, megous@megous.com wrote: > 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 It's not just for DDC. It powers the chips in bridge dongles for example. Pretty much every diagram I find just calls it 5V or +5V. So how about '5V-supply' or 'v5V-supply'? Rob