From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,USER_AGENT_NEOMUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2004EC282CE for ; Mon, 8 Apr 2019 08:47:35 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E6ED320880 for ; Mon, 8 Apr 2019 08:47:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="jc/apAqc" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E6ED320880 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bootlin.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender:Content-Type:Cc: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: In-Reply-To:MIME-Version:References:Message-ID:Subject:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=yfYCMOZ39BKZC4+/XZn655Obyll7vgjASG52sNtBzZ0=; b=jc/apAqcCc3tRN+KpX3CZBXMk /pgHt3fynH/G8yRe8f+Nhe0HtAXiYYU9Wvy5vXxMZEypMkyhabP8cBxfEWxVSIMnGdKE2hy5uO72S UowIK1Y5QSXC4ChMeHkX8htvCI64g/IKPBweX/RI27iVbXouKL/MONrpk3mMHF8seLaalGlkQtNR9 h9W/y1GMPHo8ir1aQ3JOK6bVPqm5Jbt1fV9xd/Wz1avab7IcP3de+SEIQPkBhVtbqXKG4uOuhFpx5 LvA47Yc0j6INm8nMNTAFvqylb8Vc2l6cpvRKWb+9Vf3kkQCh9i/thxXDvwBiw3VReoAUQm7VIMtIU o0D5qKAlg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hDPwC-0006ih-0R; Mon, 08 Apr 2019 08:47:32 +0000 Received: from relay11.mail.gandi.net ([217.70.178.231]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hDPw8-0006hq-Kb for linux-arm-kernel@lists.infradead.org; Mon, 08 Apr 2019 08:47:30 +0000 Received: from localhost (aaubervilliers-681-1-89-125.w90-88.abo.wanadoo.fr [90.88.30.125]) (Authenticated sender: maxime.ripard@bootlin.com) by relay11.mail.gandi.net (Postfix) with ESMTPSA id 657D610001B; Mon, 8 Apr 2019 08:47:14 +0000 (UTC) Date: Mon, 8 Apr 2019 10:47:14 +0200 From: Maxime Ripard To: Chen-Yu Tsai Subject: Re: [linux-sunxi] Re: [PATCH 02/12] drm: sun4i: Add support for enabling DDC I2C bus to dw_hdmi glue Message-ID: <20190408084714.b6xdi2pxbjvzwsnu@flea> References: <20190405234514.6183-1-megous@megous.com> <20190405234514.6183-3-megous@megous.com> <20190408072338.3urcotemju3qi2un@flea> MIME-Version: 1.0 In-Reply-To: User-Agent: NeoMutt/20180716 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190408_014728_825555_1BD25474 X-CRM114-Status: GOOD ( 14.52 ) 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: =?utf-8?Q?Ond=C5=99ej?= Jirman , Mark Rutland , David Airlie , Chi-Hsien Lin , dri-devel , linux-sunxi , linux-stm32@st-md-mailman.stormreply.com, brcm80211-dev-list@cypress.com, Jose Abreu , Naveen Gupta , Linus Walleij , devicetree , Arend van Spriel , Alexandre Torgue , Hante Meuleman , "open list:GPIO SUBSYSTEM" , Rob Herring , Wright Feng , Giuseppe Cavallaro , linux-arm-kernel , Franky Lin , Maxime Coquelin , brcm80211-dev-list.pdl@broadcom.com, netdev , linux-wireless , linux-kernel , Kalle Valo , Daniel Vetter , "David S. Miller" Content-Type: multipart/mixed; boundary="===============6392939501380784553==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============6392939501380784553== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="hnppvtnr77cffabd" Content-Disposition: inline --hnppvtnr77cffabd Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Mon, Apr 08, 2019 at 03:28:24PM +0800, Chen-Yu Tsai wrote: > On Mon, Apr 8, 2019 at 3:23 PM Maxime Ripard wrote: > > > > On Sat, Apr 06, 2019 at 01:45:04AM +0200, megous@megous.com wrote: > > > From: Ondrej Jirman > > > > > > Orange Pi 3 board requires enabling DDC I2C bus via some GPIO connected > > > transistors, before it can be used. Model this as a power supply for DDC > > > (via regulator framework). > > > > > > Signed-off-by: Ondrej Jirman > > > > The DDC bus itself is usually attached to the HDMI connector, so it > > would make sense to make the supply also a property of the connector. > > I believe these are separate things. What this patch covers is power for > a voltage shifter between the SoC and HDMI DDC pins. The HDMI connector's > 5V supply to power the remote DDC chip is something else. And on the > Orange Pi 3 they are indeed separate supplies. Then maybe the endpoint link between the two would be the best place to put this? Maxime -- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com --hnppvtnr77cffabd Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRcEzekXsqa64kGDp7j7w1vZxhRxQUCXKsKkgAKCRDj7w1vZxhR xWcIAP9Pddl+Ri5TuPgfHFSLxQZJkmay8uc3CPeqtO6YD/nPbgEA8130cRGdOdpG XuiFcOd3lAO7E61GKVNY99Id+JJCNwI= =P/5f -----END PGP SIGNATURE----- --hnppvtnr77cffabd-- --===============6392939501380784553== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============6392939501380784553==--