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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 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-Disposition: inline In-Reply-To: <20190413165418.27880-7-megous@megous.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190426_112340_183092_7B93C035 X-CRM114-Status: GOOD ( 16.31 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Maxime Coquelin , Alexandre Torgue , devicetree@vger.kernel.org, Maxime Ripard , netdev@vger.kernel.org, Linus Walleij , linux-stm32@st-md-mailman.stormreply.com, Chen-Yu Tsai , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, David Airlie , linux-sunxi@googlegroups.com, Jose Abreu , Daniel Vetter , linux-gpio@vger.kernel.org, Giuseppe Cavallaro , "David S. Miller" , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel