From: Rob Herring <robh@kernel.org>
To: megous@megous.com
Cc: linux-sunxi@googlegroups.com,
Maxime Ripard <maxime.ripard@bootlin.com>,
Chen-Yu Tsai <wens@csie.org>,
Linus Walleij <linus.walleij@linaro.org>,
David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
Mark Rutland <mark.rutland@arm.com>,
Giuseppe Cavallaro <peppe.cavallaro@st.com>,
Alexandre Torgue <alexandre.torgue@st.com>,
Jose Abreu <joabreu@synopsys.com>,
"David S. Miller" <davem@davemloft.net>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
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
Date: Fri, 26 Apr 2019 13:23:37 -0500 [thread overview]
Message-ID: <20190426182337.GA22245@bogus> (raw)
In-Reply-To: <20190413165418.27880-7-megous@megous.com>
On Sat, Apr 13, 2019 at 06:54:15PM +0200, megous@megous.com wrote:
> 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(+)
>
> 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
next prev parent reply other threads:[~2019-04-26 18:23 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-13 16:54 [PATCH v4 0/9] Add support for Orange Pi 3 megous via linux-sunxi
[not found] ` <20190413165418.27880-1-megous-5qf/QAjKc83QT0dZR+AlfA@public.gmane.org>
2019-04-13 16:54 ` [PATCH v4 1/9] net: stmmac: sun8i: add support for Allwinner H6 EMAC megous via linux-sunxi
2019-04-13 16:54 ` [PATCH v4 2/9] net: stmmac: sun8i: force select external PHY when no internal one megous via linux-sunxi
2019-04-13 16:54 ` [PATCH v4 3/9] pinctrl: sunxi: Prepare for alternative bias voltage setting methods megous via linux-sunxi
[not found] ` <20190413165418.27880-4-megous-5qf/QAjKc83QT0dZR+AlfA@public.gmane.org>
2019-04-23 10:31 ` Linus Walleij
2019-04-13 16:54 ` [PATCH v4 4/9] pinctrl: sunxi: Support I/O bias voltage setting on H6 megous via linux-sunxi
[not found] ` <20190413165418.27880-5-megous-5qf/QAjKc83QT0dZR+AlfA@public.gmane.org>
2019-04-23 10:32 ` Linus Walleij
2019-04-13 16:54 ` [PATCH v4 5/9] arm64: dts: allwinner: orange-pi-3: Enable ethernet megous via linux-sunxi
2019-05-03 11:58 ` [linux-sunxi] " Jagan Teki
2019-04-13 16:54 ` [PATCH v4 6/9] dt-bindings: display: hdmi-connector: Add DDC power supply megous via linux-sunxi
2019-04-26 18:23 ` Rob Herring [this message]
2019-04-26 19:20 ` Ondřej Jirman
2019-04-26 20:02 ` Rob Herring
[not found] ` <CAL_Jsq+o1j6AGL9UnhN1tV150DsFug6pg+UPEJ9EKqBc6rgq_w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2019-04-27 19:01 ` 'Ondřej Jirman' via linux-sunxi
2019-04-13 16:54 ` [PATCH v4 7/9] drm: sun4i: Add support for enabling DDC I2C bus power to dw_hdmi glue megous via linux-sunxi
2019-04-13 16:54 ` [PATCH v4 8/9] arm64: dts: allwinner: orange-pi-3: Enable HDMI output megous via linux-sunxi
2019-04-13 16:54 ` [PATCH v4 9/9] arm64: dts: allwinner: h6: Add MMC1 pins megous via linux-sunxi
[not found] ` <20190413165418.27880-10-megous-5qf/QAjKc83QT0dZR+AlfA@public.gmane.org>
2019-04-15 7:50 ` Maxime Ripard
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20190426182337.GA22245@bogus \
--to=robh@kernel.org \
--cc=airlied@linux.ie \
--cc=alexandre.torgue@st.com \
--cc=daniel@ffwll.ch \
--cc=davem@davemloft.net \
--cc=devicetree@vger.kernel.org \
--cc=dri-devel@lists.freedesktop.org \
--cc=joabreu@synopsys.com \
--cc=linus.walleij@linaro.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-gpio@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-stm32@st-md-mailman.stormreply.com \
--cc=linux-sunxi@googlegroups.com \
--cc=mark.rutland@arm.com \
--cc=maxime.ripard@bootlin.com \
--cc=mcoquelin.stm32@gmail.com \
--cc=megous@megous.com \
--cc=netdev@vger.kernel.org \
--cc=peppe.cavallaro@st.com \
--cc=wens@csie.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).